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WO2025118153A1 - Procédé et appareil d'envoi de signal, procédé et appareil de réception de signal, dispositif, et support - Google Patents

Procédé et appareil d'envoi de signal, procédé et appareil de réception de signal, dispositif, et support Download PDF

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Publication number
WO2025118153A1
WO2025118153A1 PCT/CN2023/136545 CN2023136545W WO2025118153A1 WO 2025118153 A1 WO2025118153 A1 WO 2025118153A1 CN 2023136545 W CN2023136545 W CN 2023136545W WO 2025118153 A1 WO2025118153 A1 WO 2025118153A1
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WIPO (PCT)
Prior art keywords
time
signal
frequency
frequency resources
domain
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PCT/CN2023/136545
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English (en)
Chinese (zh)
Inventor
梁彬
徐婧
林亚男
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to PCT/CN2023/136545 priority Critical patent/WO2025118153A1/fr
Publication of WO2025118153A1 publication Critical patent/WO2025118153A1/fr
Pending legal-status Critical Current
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames

Definitions

  • the present application relates to the field of communications, and in particular to a signal sending method, receiving method, device, equipment and medium.
  • Communication and perception integration is a technology with great application prospects.
  • the perception process especially the perception of Doppler shift and speed, it is necessary to measure the signal over a period of time. The better the autocorrelation characteristics of the signal during this period, the better its perception performance.
  • the present application provides a signal sending method, receiving method, device, equipment and medium.
  • the technical solution is as follows:
  • a signal sending method which is applied to a signal sending end device, and the method includes:
  • At least two signals are sent, wherein the at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, and the time domain positions corresponding to the at least two time-frequency resources are different; wherein the at least two signals are generated based on the same signal sequence.
  • a signal receiving method which is applied to a signal receiving end device, and the method includes:
  • Receive at least two signals wherein the at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, and the time domain positions corresponding to the at least two time-frequency resources are different; wherein the at least two signals are generated based on the same signal sequence.
  • a signal sending device comprising:
  • a sending module used to send at least two signals, wherein the at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, and the time domain positions corresponding to the at least two time-frequency resources are different; wherein the at least two signals are generated based on the same signal sequence.
  • a signal receiving device comprising:
  • a receiving module is used to receive at least two signals, wherein the at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, and the time domain positions corresponding to the at least two time-frequency resources are different; wherein the at least two signals are generated based on the same signal sequence.
  • a terminal device comprising:
  • a processor ; a transceiver connected to the processor; a memory for storing executable instructions of the processor;
  • the terminal device is used to implement the signal sending method or signal receiving method as described above.
  • a network device comprising:
  • a processor ; a transceiver connected to the processor; a memory for storing executable instructions of the processor;
  • the network device is used to implement the signal sending method or signal receiving method as described above.
  • a computer-readable storage medium in which executable instructions are stored.
  • the executable instructions are loaded and executed by the processor to implement the signal sending method or signal receiving method as described above.
  • a chip including a programmable logic circuit or a program, and the chip is used to implement the signal sending method or signal receiving method as described above.
  • a computer program product which includes computer instructions, wherein the computer instructions are stored in a computer-readable storage medium, a processor of a computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device executes the signal sending method or signal receiving method as described above.
  • a computer program comprising computer instructions, and a processor of a computer device executes the computer instructions so that the computer device executes the signal sending method or signal receiving method as described above.
  • the signal transmitting end device transmits at least two signals, and the signal receiving end device receives at least two signals, the at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, the time domain positions corresponding to the at least two time-frequency resources are different, and the at least two signals are generated based on the same signal sequence. Since the signals corresponding to the same signal sequence have autocorrelation characteristics, the autocorrelation characteristics of the at least two signals transmitted by the signal transmitting end device at different time domain positions can be guaranteed, and the signal receiving end device can distinguish the at least two signals transmitted at different time domain positions, thereby improving the perception performance, which is beneficial to perception measurement and perception target detection.
  • FIG1 is a schematic diagram showing a reference signal mapping pattern provided by an exemplary embodiment of the present application.
  • FIG2 shows a schematic diagram of a wireless communication system provided by an exemplary embodiment of the present application
  • FIG3 is a schematic diagram showing a flow chart of a signal sending method provided by an exemplary embodiment of the present application.
  • FIG4 is a schematic diagram showing a flow chart of a signal receiving method provided by an exemplary embodiment of the present application.
  • FIG5 is a schematic diagram showing a group of time-frequency resources provided by an exemplary embodiment of the present application.
  • FIG6 is a schematic diagram showing a transmission opportunity provided by an exemplary embodiment of the present application.
  • FIG7 is a schematic diagram showing transmission opportunities provided by some exemplary embodiments of the present application.
  • FIG8 is a schematic diagram showing transmission opportunities provided by some exemplary embodiments of the present application.
  • FIG9 is a schematic diagram showing a transmission opportunity provided by an exemplary embodiment of the present application.
  • FIG10 is a schematic diagram showing time domain mapping of a signal provided by an exemplary embodiment of the present application.
  • FIG11 is a schematic diagram showing time domain mapping of a signal provided by an exemplary embodiment of the present application.
  • FIG12 is a schematic diagram showing continuous mapping of a signal within a time slot provided by an exemplary embodiment of the present application.
  • FIG13 is a schematic diagram showing continuous mapping of a signal in multiple time slots provided by an exemplary embodiment of the present application.
  • FIG14 is a schematic diagram showing interval mapping of a signal within a time slot provided by an exemplary embodiment of the present application.
  • FIG15 is a schematic diagram showing interval mapping of a signal in multiple time slots provided by an exemplary embodiment of the present application.
  • FIG16 is a schematic diagram showing a time window provided by an exemplary embodiment of the present application.
  • FIG17 is a schematic diagram showing a time window provided by an exemplary embodiment of the present application.
  • FIG18 is a schematic diagram showing a time window provided by an exemplary embodiment of the present application.
  • FIG19 is a schematic diagram showing a time window provided by an exemplary embodiment of the present application.
  • FIG20 is a schematic diagram showing time domain mapping of a signal provided by an exemplary embodiment of the present application.
  • FIG21 is a schematic diagram showing time domain mapping of a signal provided by an exemplary embodiment of the present application.
  • FIG22 is a schematic diagram showing different groups of time-frequency resources provided by an exemplary embodiment of the present application.
  • FIG23 is a schematic diagram showing different groups of time-frequency resources provided by an exemplary embodiment of the present application.
  • FIG24 shows a block diagram of a signal sending device provided by an exemplary embodiment of the present application.
  • FIG25 shows a block diagram of a signal receiving device provided by an exemplary embodiment of the present application.
  • FIG. 26 shows a structural block diagram of a communication device provided by an exemplary embodiment of the present application.
  • first, second, third, etc. may be used in the present application to describe various information, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • word "if” as used herein may be interpreted as "at the time of” or "when” or "in response to determining”.
  • Communication and perception integration technology can be roughly divided into the following two categories: communication-assisted perception and perception-assisted communication.
  • communication-assisted perception refers to the transmission and aggregation of perception information through wireless communication, which can expand the breadth and depth of perception services and improve the timeliness of perception services.
  • efficient perception services such as high-precision positioning, high-resolution imaging, and virtual environment reconstruction can be provided, which can effectively build a digital twin environment and realize the digital re-presentation and in-depth processing of thousands of industries.
  • perception networks refer to systems with capabilities such as target positioning (ranging, speed, and angle measurement), target imaging, target detection, target tracking, and target recognition.
  • targets ranging, speed, and angle measurement
  • target imaging ranging, speed, and angle measurement
  • target detection ranging, speed, and angle measurement
  • target recognition ranging, speed, and angle measurement
  • perception can include at least the following categories, but is not limited to them: outdoor/wide-area/local-area applications: including smart cities (such as weather monitoring, etc.), smart transportation/high-speed rail (such as high-precision map construction, road supervision, intrusion detection, etc.), low-altitude applications (such as drone monitoring and obstacle avoidance, flight intrusion detection, flight path management, etc.); indoor/local-area applications: including smart homes and health management (such as respiratory monitoring, intrusion detection, gesture/posture recognition, motion monitoring, mobile trajectory tracking, etc.), smart factories (such as intrusion detection, material detection, item defect detection, etc.), etc.
  • outdoor/wide-area/local-area applications including smart cities (such as weather monitoring, etc.), smart transportation/high-speed rail (such as high-precision map construction, road supervision, intrusion detection, etc.), low-altitude applications (such as drone monitoring and obstacle avoidance, flight intrusion detection, flight path management, etc.); indoor/local-area applications: including smart homes and health management (such as respiratory monitoring, intrusion detection,
  • Wireless communication and sensing are two important applications of modern radio frequency technology. Sensing uses radio waves to detect parameters of the physical environment to achieve environmental perception such as target positioning, action recognition, and imaging. Traditionally, sensing and wireless communication exist independently, and there is no such thing as a separate design. Waste of spectrum and hardware resources. Entering the B5G and 6G era, the communication spectrum is moving towards millimeter wave, terahertz, and visible light communication. In the future, the spectrum of wireless communication will overlap with the traditional perception spectrum. The integrated communication and perception technology integrates the two functions of wireless communication and perception.
  • the integrated communication and perception technology enables the future wireless communication system to have perception capabilities, providing a foundation for the development of future smart transportation, smart cities, smart factories, drones and other businesses.
  • the distance measurement and speed measurement play an important role in the perception process.
  • the distance from the target to the perception node (measurement node), signal transmission delay, radial velocity, and signal Doppler shift can be measured and estimated.
  • different reference signal mappings have a great impact on the measurement results.
  • the signal bandwidth B directly affects the accuracy (resolution) ⁇ of the delay measurement.
  • the frequency domain interval ⁇ f of the signal directly affects the maximum delay that can be measured, also known as the maximum unambiguous range of the delay ⁇ max .
  • the signal transmission distance can be calculated through delay measurement, and then the distance between the target and the sensing node can be obtained.
  • the duration Tf of the measured signal directly affects the accuracy (resolution) ⁇ f of the measured Doppler shift.
  • the time interval T s of the signal within the duration directly affects the maximum range of the measured result, also known as the maximum unambiguous range f max of the Doppler shift. Based on the measured Doppler shift, the radial velocity of the target and the sensing node can be further calculated.
  • the reference signal sequence is generated by a pseudo-random code (e.g., Gold code).
  • the initial factor corresponding to the reference signal sequence is directly related to the time slot index where the reference signal is located and the orthogonal frequency division multiplexing (OFDM) symbol position.
  • the reference signal sequences at different time domain positions are generated independently, and these reference signal sequences have good autocorrelation characteristics.
  • the initial factor of the DMRS reference signal sequence of the physical downlink control channel (PDCCH) is:
  • c init is the initial factor of the DMRS reference signal sequence
  • symbols is the number of OFDM symbols (hereinafter referred to as symbols) in one time slot
  • l is the symbol index where the DMRS is located
  • N ID is the scrambling code number or cell ID configured by the higher layer.
  • the initial factor of the CSI-RS signal sequence is:
  • c init is the initial factor of the CSI-RS signal sequence, is the number of symbols in one time slot, is the timeslot index in the radio frame where the CSI-RS is located, l is the symbol index where the CSI-RS is located, and n ID is the scrambling code number or cell ID configured by the higher layer.
  • the mapping method of the reference signal follows the mapping principle of frequency domain first and time domain later. After the reference signal sequence to be mapped is generated, it is mapped from the low position to the high position in the frequency domain position on the specified symbol, thereby forming a reference signal mapping pattern that occupies one symbol or has an equally spaced (comb-like) structure in one symbol.
  • FIG1 shows a schematic diagram of a reference signal mapping pattern provided by an exemplary embodiment of the present application.
  • the horizontal axis of FIG1 represents time (time domain), the vertical axis represents frequency (frequency domain), and the filling part is the resource element (RE) occupied by the reference signal.
  • RE resource element
  • (1), (2) and (3) in FIG1 respectively show reference signal mapping patterns in which the reference signal sequence is continuously mapped from the low position to the high position in the frequency domain position.
  • (1) in FIG1 shows a reference signal sequence that occupies a group of time-frequency resources. The time domain positions corresponding to the group of time-frequency resources are the same and the frequency domain positions are different.
  • (2) in Figure 1 shows two reference signal sequences, each of which occupies a set of time-frequency resources, and the time domain positions corresponding to the set of time-frequency resources occupied by each reference signal sequence are the same, but the frequency domain positions are different.
  • Figure 1 shows four reference signal sequences, each of which occupies a set of time-frequency resources, and the time domain positions corresponding to the set of time-frequency resources occupied by each reference signal sequence are the same, but the frequency domain positions are different.
  • Figure 1 shows a reference signal mapping pattern in which the reference signal sequence is mapped at equal intervals from the low position to the high position of the frequency domain position.
  • Figure 1 shows one reference signal sequence, which occupies a set of time-frequency resources, and the time domain positions corresponding to the set of time-frequency resources are the same, but the frequency domain positions are different.
  • the reference signal sequences occupying different time domain positions are independently generated, and each reference signal sequence has good autocorrelation characteristics.
  • the perception process especially the perception of Doppler shift and speed, it is necessary to measure the signal within a period of time, and the better the autocorrelation characteristics of the signal within this period of time, the better the perception performance.
  • different reference signal sequences in related technologies do not have autocorrelation characteristics, and thus cannot guarantee perception performance.
  • Fig. 2 shows a schematic diagram of a wireless communication system provided by an exemplary embodiment of the present application.
  • the wireless communication system includes a network device 110 and a terminal device 120, and/or a terminal device 120 and a terminal device 130, which is not limited in the present application.
  • the network device 110 in the present application provides wireless communication functions, and the network device 110 includes but is not limited to: Evolved Node B (Evolved Node B, eNB), Radio Network Controller (RNC), Node B (NB), Base Station Controller (BSC), Base Transceiver Station (BTS), Home Base Station (e.g., Home Evolved Node B, or Home Node B, HNB), Baseband Unit (BBU), Access Point (AP) in Wireless Fidelity (Wi-Fi) system, Wireless Relay Node, Wireless Backhaul Node, Transmission Point (TP) or Transmission and Reception Point (TRP), etc., and can also be the Next Generation Node B (gNB) or Transmission Point (TRP or TP) in the fifth generation (5G) mobile communication system, or one or a group of (including multiple antenna panels) antenna panels of a base station in a 5G system, or can also be a network node constituting a gNB or a transmission point, such as a baseband unit (BBU)
  • the terminal device 120 and/or the terminal device 130 in the present application are also called user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent, user device.
  • the terminal includes but is not limited to: handheld devices, wearable devices, vehicle-mounted devices and Internet of Things devices, such as: mobile phones, tablet computers, e-book readers, laptop computers, desktop computers, televisions, game consoles, mobile Internet devices (MID), augmented reality (AR) terminals, virtual reality (VR) terminals and mixed reality (MR) terminals, wearable devices, handles, electronic tags, controllers, wireless terminals in industrial control (Industrial Control), wireless terminals in self-driving (Self Driving), wireless terminals in remote medical care (Remote Medical), wireless terminals in smart grid (Smart Grid) and so on.
  • MID mobile Internet devices
  • AR augmented reality
  • VR virtual reality
  • MR mixed reality
  • Wireless terminals in transportation safety wireless terminals in smart city, wireless terminals in smart home, wireless terminals in remote medical surgery, cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistant (PDA), TV set-top box (STB), Customer Premise Equipment (CPE), etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • STB TV set-top box
  • CPE Customer Premise Equipment
  • the network device 110 and the terminal device 120 communicate with each other via some air interface technology, such as a Uu interface.
  • an uplink communication scenario there are two communication scenarios between the network device 110 and the terminal device 120: an uplink communication scenario and a downlink communication scenario.
  • Uplink communication refers to sending signals to the network device 110; downlink communication refers to sending signals to the terminal device 120.
  • the terminal device 120 and the terminal device 130 communicate with each other via some direct communication interface, such as a PC5 interface.
  • some direct communication interface such as a PC5 interface.
  • first side communication scenario a first side communication scenario and a second side communication scenario.
  • the first side communication refers to sending a signal to the terminal device 130; the second side communication refers to sending a signal to the terminal device 120.
  • terminal device 120 and terminal device 130 are both within the network coverage and located in the same cell, or terminal device 120 and terminal device 130 are both within the network coverage but located in different cells, or terminal device 120 is within the network coverage but terminal device 130 is outside the network coverage.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • LTE-A Advanced Long Term Evolution
  • UMT Universal Mobile Telecommunication System
  • NR Worldwide Interoperability for Microwave Access (WiMAX) communication system
  • 5G mobile communication system New Radio (NR) system, NR system evolution system, LTE-based access to unlicensed spectrum (LTE-U) system, NR-based access to unlicensed spectrum (NR-U) system, terrestrial communication network (TN) system, non-terrestrial communication network (NTN) system, wireless local area network (WLAN), wireless fidelity (Wi-Fi), cellular Internet of Things system, cellular passive Internet of Things system, and may also be applicable to the subsequent evolution system of 5G NR system, and may also be applicable to B5G, 6G and subsequent evolution systems.
  • NR may also be referred to as 5G NR system or 5G system.
  • the 5G mobile communication system may include non-standalone (NSA) and/or standalone (SA).
  • the solution provided in the embodiments of the present application can also be applied to machine type communication (MTC), long term evolution technology for machine-to-machine communication (LTE-M), device to device (D2D) network, machine to machine (M2M) network, Internet of Things (IoT) network or other networks.
  • MTC machine type communication
  • LTE-M long term evolution technology for machine-to-machine communication
  • D2D device to device
  • M2M machine to machine
  • IoT Internet of Things
  • the IoT network may include, for example, the Internet of Vehicles.
  • the communication methods in the Internet of Vehicles system are collectively referred to as vehicle to other devices (Vehicle to X, V2X, X can represent anything).
  • the V2X may include: vehicle to vehicle (V2V) communication, ...
  • V2I Vehicle to Infrastructure
  • V2P vehicle to pedestrian
  • V2N vehicle to network
  • the wireless communication system provided in this embodiment can be applied to but not limited to at least one of the following communication scenarios: uplink communication scenario, downlink communication scenario, and side communication scenario.
  • the bandwidth used for the downlink channel, the bandwidth configured for the downlink channel, the bandwidth used for downlink transmission, the bandwidth used for downlink data transmission, the bandwidth occupied by downlink transmission resources, etc. express the same or similar meanings.
  • the bandwidth used for the uplink channel, the bandwidth configured for the uplink channel, the bandwidth used for uplink transmission, the bandwidth used for uplink data transmission, the bandwidth occupied by uplink transmission resources, etc. express the same or similar meanings.
  • the bandwidth used for the sidelink channel, the bandwidth configured for the sidelink channel, the bandwidth used for sidelink transmission, the bandwidth used for sidelink data transmission, the bandwidth occupied by sidelink transmission resources, etc. express the same or similar meanings.
  • FIG3 shows a flow chart of a signal sending method provided by some exemplary embodiments of the present application.
  • the method is schematically illustrated by taking the method executed by a signal sending terminal device as an example.
  • the method includes at least some of the following steps:
  • Step 220 sending at least two signals, the at least two signals occupying at least two time-frequency resources in a group of time-frequency resources, and the time domain positions corresponding to the at least two time-frequency resources are different; wherein the at least two signals are generated based on the same signal sequence.
  • the signal sending end device is a terminal device or a network device, and the signal sending end device may also be referred to as a first node device, a perception initiating node device, a sending node device, or a first perception node device.
  • the signal transmitting end device in the embodiment of the present application sends at least two signals, at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, at least two time-frequency resources correspond to different time domain positions, and at least two signals are generated based on the same signal sequence. Since the signals corresponding to the same signal sequence have autocorrelation characteristics, the method can ensure the autocorrelation characteristics of at least two signals transmitted on different time-frequency resources, thereby improving the perception performance, which is beneficial to perception measurement and perception target detection.
  • the signals used for measurement or detection are mostly reflected signals. Due to the influence of the signal transmission environment, the reflected signals of signals sent in different time windows or different transmission opportunities may be superimposed in time. At this time, the autocorrelation characteristics of the signal sequence can be used to distinguish the received signal sequence, so that the communication system can be adapted to complex transmission environments.
  • a signal transmitting end device transmits different groups of signals in different groups of time-frequency resources, and each group of signals includes at least two signals; wherein, the time domain positions corresponding to different groups of time-frequency resources are the same and the frequency domain positions are different, or, the time domain positions corresponding to different groups of time-frequency resources are different and the frequency domain positions are the same, or, the time domain positions corresponding to different groups of time-frequency resources are different and the frequency domain positions are different; different groups of signals are generated based on the same signal sequence, or, different groups of signals are generated based on different signal sequences.
  • the signal transmitting end device in the embodiment of the present application transmits different groups of signals in different groups of time-frequency resources, each group of signals includes at least two signals, and the signals of different groups are generated based on the same signal sequence, or the signals of different groups are generated based on different signal sequences.
  • the signals of different groups are generated based on the same signal sequence, the autocorrelation characteristics of the signals of different groups can be guaranteed, the perception performance is improved, and it is beneficial to the perception measurement and perception target detection; when the signals of different groups are generated based on different signal sequences, it is possible to transmit the signals corresponding to different signal sequences, thereby improving the signal transmission efficiency.
  • the method further includes an optional step 240 of receiving at least one of the following configuration information: first configuration information; second configuration information; and third configuration information.
  • the first configuration information is used for transmission opportunity and/or time window configuration
  • the second configuration information is used for time domain resource configuration of a group of time-frequency resources
  • the third configuration information is used for frequency domain resource configuration of a group of time-frequency resources.
  • first configuration information, the second configuration information, and the third configuration information may be used independently or in combination.
  • the network device or the signal receiving end device may only configure the first configuration information, or only configure the second configuration information, or only configure the third configuration information.
  • the first configuration information and the second configuration information may be configured simultaneously, or the first configuration information and the third configuration information may be configured simultaneously, or the second configuration information and the third configuration information may be configured simultaneously, or the first configuration information, the second configuration information, and the third configuration information may be configured simultaneously.
  • the signal sending device in the embodiment of the present application sends at least two signals at different time domain positions corresponding to a group of time-frequency resources based on at least one of the first configuration information, the second configuration information, and the third configuration information. Since at least two signals are generated based on the same signal sequence, the autocorrelation characteristics of at least two signals can be guaranteed, thereby improving the perception performance, which is beneficial to perception measurement and perception target detection.
  • FIG4 shows a flow chart of a signal receiving method provided by some exemplary embodiments of the present application.
  • the method is schematically illustrated by taking the method executed by a signal receiving end device as an example.
  • the method includes at least some of the following steps:
  • Step 320 receiving at least two signals, wherein the at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, and the time domain positions corresponding to the at least two time-frequency resources are different; wherein the at least two signals are generated based on the same signal sequence.
  • the signal receiving end device is a terminal device or a network device, and the signal receiving end device may also be referred to as a second node device, a perception receiving node device, a receiving node device, or a second perception node device.
  • the signal receiving device in the embodiment of the present application receives at least two signals, at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, at least two time-frequency resources correspond to different time domain positions, and at least two signals are generated based on the same signal sequence. Since the signals corresponding to the same signal sequence have autocorrelation characteristics, the method can ensure the autocorrelation characteristics of at least two signals transmitted on different time-frequency resources, thereby improving the perception performance, which is beneficial to perception measurement and perception target detection.
  • the signals used for measurement or detection are mostly reflected signals. Due to the influence of the signal transmission environment, the reflected signals of signals received in different time windows or different transmission opportunities may overlap in time. In this case, the autocorrelation characteristics of the signal sequence can be used to distinguish the received Signal sequence makes the communication system suitable for complex transmission environments.
  • a signal receiving device receives different groups of signals in different groups of time-frequency resources, and each group of signals includes at least two signals; wherein, the time domain positions corresponding to different groups of time-frequency resources are the same and the frequency domain positions are different, or, the time domain positions corresponding to different groups of time-frequency resources are different and the frequency domain positions are the same, or, the time domain positions corresponding to different groups of time-frequency resources are different and the frequency domain positions are different; different groups of signals are generated based on the same signal sequence, or, different groups of signals are generated based on different signal sequences.
  • the signal receiving device in the embodiment of the present application receives different groups of signals in different groups of time-frequency resources, each group of signals includes at least two signals, and the signals of different groups are generated based on the same signal sequence, or the signals of different groups are generated based on different signal sequences.
  • the signals of different groups are generated based on the same signal sequence, the autocorrelation characteristics of the signals of different groups can be guaranteed, the perception performance is improved, and it is beneficial to the perception measurement and perception target detection; when the signals of different groups are generated based on different signal sequences, it is possible to receive signals corresponding to different signal sequences, thereby improving the signal reception efficiency.
  • the method further includes an optional step 340 of receiving at least one of the following configuration information: first configuration information; second configuration information; third configuration information.
  • the method further includes an optional step 360 of sending at least one of the following configuration information: first configuration information; second configuration information; third configuration information.
  • the first configuration information is used for transmission opportunity and/or time window configuration
  • the second configuration information is used for time domain resource configuration of a group of time-frequency resources
  • the third configuration information is used for frequency domain resource configuration of a group of time-frequency resources.
  • first configuration information, the second configuration information, and the third configuration information may be used independently or in combination.
  • the network device or the signal receiving end device may only configure the first configuration information, or only configure the second configuration information, or only configure the third configuration information.
  • the first configuration information and the second configuration information may be configured simultaneously, or the first configuration information and the third configuration information may be configured simultaneously, or the second configuration information and the third configuration information may be configured simultaneously, or the first configuration information, the second configuration information, and the third configuration information may be configured simultaneously.
  • the signal receiving device in the embodiment of the present application receives at least two signals at different time domain positions corresponding to a group of time-frequency resources based on at least one of the first configuration information, the second configuration information, and the third configuration information. Since at least two signals are generated based on the same signal sequence, the autocorrelation characteristics of at least two signals can be guaranteed, thereby improving the perception performance, which is beneficial to perception measurement and perception target detection.
  • the signal may also be referred to as a perception signal or a reference signal.
  • Perception may also be equivalent to or replaced by at least one of the following: positioning, ranging, speed measurement, angle measurement, target imaging, target detection, target tracking, and target recognition.
  • the signal includes at least one of the following signals: a demodulation reference signal; a sounding reference signal (SRS); an enhanced sounding reference signal (E-SRS); a carrier phase reference signal (CPRS); and a channel state information reference signal.
  • a demodulation reference signal a sounding reference signal (SRS); an enhanced sounding reference signal (E-SRS); a carrier phase reference signal (CPRS); and a channel state information reference signal.
  • the signal sequence is a random signal sequence having an autocorrelation property.
  • the signal is generated based on the signal sequence.
  • the signal sequence is at least one of a pseudo-random sequence (Gold sequence) and an Euler complex sequence (ZC sequence).
  • Gold sequence pseudo-random sequence
  • ZC sequence Euler complex sequence
  • At least one of the length of the signal sequence, the number of signals corresponding to the signal sequence, and the transmission time length of the signal sequence can be determined according to an agreement, or according to the first configuration information, or according to the second configuration information.
  • At least two signals are generated based on the same signal sequence.
  • the signal sequence includes at least two sequence segments, each of the at least two signals is generated based on a sequence segment in the same signal sequence, and different signals occupy different sequence segments.
  • the number of bits corresponding to the at least two sequence segments may be the same or different.
  • a signal sequence includes at least two sequence segments, and the number of bits corresponding to at least two sequence segments is the same as an example.
  • the signal sequence includes 8 bits, and there are 4 sequence segments in the signal sequence, and each sequence segment corresponds to 2 bits. Then the signal sequence is used to generate 4 signals, namely signal 1, signal 2, signal 3 and signal 4, wherein signal 1 can be generated based on the 1st and 2nd bits, signal 2 can be generated based on the 3rd and 4th bits, signal 3 can be generated based on the 5th and 6th bits, and signal 4 can be generated based on the 7th and 8th bits.
  • a group of time-frequency resources includes at least two time-frequency resources.
  • the at least two time-frequency resources correspond to at least two time domain positions and the same frequency domain position.
  • the at least two time-frequency resources correspond to at least two time domain positions and at least two frequency domain positions.
  • a group of time-frequency resources includes at least two time-frequency resources, and at least two time-frequency resources correspond to at least two time domain positions and the same frequency domain position.
  • Figure 5 shows a schematic diagram of time-frequency resources provided by an exemplary embodiment of the present application.
  • the horizontal axis of Figure 5 represents time (time domain), and the vertical axis represents frequency (frequency domain).
  • the physical resource corresponding to 1 subcarrier (Subcarrier) in the frequency domain and 1 symbol (Symbol) in the time domain is called a resource element (Resource Element, RE).
  • the physical resource corresponding to 12 consecutive subcarriers in the frequency domain and 1 time slot (Slot) in the time domain is called a resource block (Resource Block, RB), and 1 time slot includes 7 symbols.
  • FIG. 5 shows a group of time-frequency resources 141, which includes 7 time-domain continuous time-frequency resources, and the 7 time-domain continuous time-frequency resources correspond to 7 time domain positions and 1 frequency domain position.
  • (2) in FIG. 5 shows a group of time-frequency resources 142, which includes 4 time-frequency resources with equal intervals in the time domain. The time interval between any two adjacent time-frequency resources is 1. The 4 time-frequency resources with equal intervals in the time domain correspond to 4 time domains. domain position and 1 frequency domain position.
  • (3) in FIG5 shows a group of time-frequency resources 143, which includes 4 time-domain unequally spaced time-frequency resources with a time interval of 0, 1 or 2.
  • the 4 time-domain unequally spaced time-frequency resources are arranged from earliest to latest according to the time-domain position, namely, time-frequency resource 1, time-frequency resource 2, time-frequency resource 3 and time-frequency resource 4, wherein the time interval between time-frequency resource 1 and time-frequency resource 2 is 2, the time interval between time-frequency resource 2 and time-frequency resource 3 is 0, and the time interval between time-frequency resource 3 and time-frequency resource 4 is 1.
  • the 4 time-domain unequally spaced time-frequency resources correspond to 4 time-domain positions and 1 frequency-domain position.
  • a group of time-frequency resources includes at least two time-frequency resources, and at least two time-frequency resources correspond to at least two time domain positions and at least two frequency domain positions.
  • Figure 5 shows a schematic diagram of time-frequency resources provided by an exemplary embodiment of the present application. (1) in Figure 5 shows a group of time-frequency resources 144, and the group of time-frequency resources 144 includes 14 time-frequency resources, wherein there are 7 continuous time-domain time-frequency resources at the same frequency domain position, and the 14 time-frequency resources correspond to 7 time domain positions and 2 frequency domain positions.
  • FIG5 shows a group of time-frequency resources 145, and the group of time-frequency resources 145 includes 8 time-frequency resources, wherein there are 4 equally spaced time-domain time-frequency resources at the same frequency domain position, and the time interval between any two adjacent time-frequency resources is 1, and the 8 time-frequency resources correspond to 4 time domain positions and 2 frequency domain positions.
  • (3) in FIG5 shows a group of time-frequency resources 146, which includes 8 time-frequency resources, among which there are 4 time-frequency resources with unequal time domain intervals at the same frequency domain position, and the time interval is 0, 1 or 2.
  • time-frequency resources with the highest frequency domain position and the time domain positions arranged from the earliest to the latest which are time-frequency resource 1, time-frequency resource 2, time-frequency resource 3 and time-frequency resource 4, among which the time interval between time-frequency resource 1 and time-frequency resource 2 is 2, the time interval between time-frequency resource 2 and time-frequency resource 3 is 0, and the time interval between time-frequency resource 3 and time-frequency resource 4 is 1.
  • the 8 time-frequency resources correspond to 4 time domain positions and 2 frequency domain positions.
  • a set of time-frequency resources is continuous in the time domain, or is spaced in the time domain.
  • the intervals may be equal intervals.
  • Equal intervals refer to the same time intervals between any two adjacent time-frequency resources in a group of time-frequency resources, or, equal intervals refer to the same time intervals between any nth time-frequency resource and any n+1th time-frequency resource in a group of time-frequency resources, where n is greater than or equal to 0, or, equal intervals refer to the same time intervals between transmissions of any adjacent signals in at least two signals.
  • equal intervals refer to the same time intervals between the start time of transmission of any jth signal and the start time of transmission of the j+1th signal in at least two signals.
  • the interval can also be a non-equal interval.
  • Non-equal interval means that there is a time interval between at least two adjacent time-frequency resources in a group of time-frequency resources, which is different from the time interval between other two adjacent time-frequency resources, or, non-equal interval means that there is a time interval between at least two adjacent signal transmissions in at least two signals, which is different from the time interval between other two adjacent signal transmissions.
  • non-equal interval means that there is a time interval between the start time of at least one j-th signal transmission and the start time of the j+1-th signal transmission in at least two signals, which is different from the time interval between the start time of the other j-th signal transmission and the start time of the j+1-th signal transmission.
  • the time interval corresponding to a group of time-frequency resources is related to at least one of the following information:
  • the time interval between adjacent signal transmissions of at least two signals; the time interval between the start time of transmission of the j-th signal and the start time of transmission of the j+1-th signal of at least two signals; j is greater than or equal to 0.
  • the time interval corresponding to a group of time-frequency resources is related to the time interval of adjacent signal transmissions in at least two signals.
  • the time interval corresponding to a group of time-frequency resources may be determined based on the time interval of adjacent signal transmissions in at least two signals, or the time interval of adjacent signal transmissions in at least two signals may be determined based on the time interval corresponding to a group of time-frequency resources.
  • the time interval corresponding to a group of time-frequency resources is equal to the time interval of adjacent signal transmissions in at least two signals.
  • the interval may be an equal interval. Then the time intervals between any adjacent signals in at least two signals are the same.
  • the interval may also be an unequal interval. Then the time intervals between two adjacent signals in at least two signals are different from the time intervals between other two adjacent signals.
  • the interval may also be a combination of the above unequal interval and the above unequal interval.
  • the time interval corresponding to a group of time-frequency resources is related to the time interval between the start time of the jth signal transmission and the start time of the j+1th signal transmission in at least two signals, and j is greater than or equal to 0.
  • the time interval corresponding to a group of time-frequency resources may be determined based on the time interval between the start time of the jth signal transmission and the start time of the j+1th signal transmission in at least two signals, or the time interval between the start time of the jth signal transmission and the start time of the j+1th signal transmission in at least two signals may be determined based on the time interval corresponding to a group of time-frequency resources.
  • the time interval corresponding to a group of time-frequency resources is equal to the time interval between the start time of the jth signal transmission and the start time of the j+1th signal transmission in at least two signals.
  • the interval may be an equal interval. Then the time interval between the start time of any j-th signal transmission and the start time of the j+1-th signal transmission in at least two signals is the same.
  • the interval may also be an unequal interval. Then the time interval between the start time of at least one j-th signal transmission and the start time of the j+1-th signal transmission in at least two signals is different from the time interval between the start time of the other j-th signal transmission and the start time of the j+1-th signal transmission.
  • the interval may also be a combination of the above-mentioned unequal interval and the above-mentioned equal interval.
  • a group of time-frequency resources is continuous in the time domain, and the time interval corresponding to the group of time-frequency resources is configured as 0 or default.
  • At least two signals occupy at least two time-frequency resources in a group of time-frequency resources, and the time domain positions corresponding to the at least two time-frequency resources are different. Each of the at least two signals occupies one time-frequency resource.
  • At least two time-frequency resources correspond to different time-domain positions and the same frequency-domain positions.
  • at least two time-frequency resources correspond to different time-domain positions and at least a portion of the two time-frequency resources correspond to different frequency-domain positions.
  • At least two signals occupy at least two time-frequency resources in a set of time-frequency resources, wherein at least two of the signals Each signal occupies one time-frequency resource, and at least two time-frequency resources have different time domain positions, and the corresponding frequency domain positions are the same.
  • the signal transmitting end device sends at least two signals as an example.
  • (1) in FIG. 5 shows a group of time-frequency resources 141.
  • the group of time-frequency resources 141 includes 7 continuous time-domain time-frequency resources, which are arranged from earliest to latest according to the time domain position, namely, time-frequency resource 1, time-frequency resource 2, time-frequency resource 3, time-frequency resource 4, time-frequency resource 5, time-frequency resource 6 and time-frequency resource 7.
  • the signal transmitting end device sends signal 1, and signal 1 occupies time-frequency resource 1; sends signal 2, and signal 2 occupies time-frequency resource 2; sends signal 3, and signal 3 occupies time-frequency resource 3; sends signal 4, and signal 4 occupies time-frequency resource 4; sends signal 5, and signal 5 occupies time-frequency resource 5; sends signal 6, and signal 6 occupies time-frequency resource 6; sends signal 7, and signal 7 occupies time-frequency resource 7.
  • the time domain positions corresponding to time-frequency resource 1, time-frequency resource 2, time-frequency resource 3, time-frequency resource 4, time-frequency resource 5, time-frequency resource 6 and time-frequency resource 7 are different, and the corresponding frequency domain positions are the same.
  • At least two signals occupy at least two time-frequency resources in a group of time-frequency resources, wherein each of the at least two signals occupies one time-frequency resource, and the time domain positions corresponding to a portion of the at least two time-frequency resources are different, and the frequency domain positions corresponding to a portion of the at least two time-frequency resources are different.
  • FIG5 shows a group of time-frequency resources 144
  • the group of time-frequency resources 144 includes 14 time-frequency resources, wherein, according to the frequency domain position from highest to lowest and the time domain position from earliest to latest, the 14 time-frequency resources are time-frequency resource 1, time-frequency resource 2, time-frequency resource 3, time-frequency resource 4, time-frequency resource 5, time-frequency resource 6, time-frequency resource 7, time-frequency resource 8, time-frequency resource 9, time-frequency resource 10, time-frequency resource 11, time-frequency resource 12, time-frequency resource 13 and time-frequency resource 14.
  • the signal sending end device sends signal 1, and signal 1 occupies time-frequency resource 1; sends signal 2, and signal 2 occupies time-frequency resource 2; sends signal 3, and signal 3 occupies time-frequency resource 3; sends signal 4, and signal 4 occupies time-frequency resource 4; sends signal 5, and signal 5 occupies time-frequency resource 5; sends signal 6, and signal 6 occupies time-frequency resource 6; sends signal 7, and signal 7 occupies time-frequency resource 7; sends signal 8, and signal 8 occupies time-frequency resource 8; sends signal 9, and signal 9 occupies time-frequency resource 9; sends signal 10, and signal 10 occupies time-frequency resource 10; sends signal 11, and signal 11 occupies time-frequency resource 11; sends signal 12, and signal 12 occupies time-frequency resource 12; sends signal 13, and signal 13 occupies time-frequency resource 13; sends signal 14, and signal 14 occupies time-frequency resource 14.
  • time domain positions corresponding to time-frequency resource 1 and time-frequency resource 8, time-frequency resource 2 and time-frequency resource 9, time-frequency resource 3 and time-frequency resource 10, time-frequency resource 4 and time-frequency resource 11, time-frequency resource 5 and time-frequency resource 12, time-frequency resource 6 and time-frequency resource 13, time-frequency resource 7 and time-frequency resource 14 are the same, and the corresponding frequency domain positions are different.
  • the time domain positions corresponding to time-frequency resources 1 to time-frequency resources 7 are different, and the corresponding frequency domain positions are the same, and the time domain positions corresponding to time-frequency resources 8 to time-frequency resources 14 are different, and the corresponding frequency domain positions are the same.
  • a group of time-frequency resources are time-frequency resources within the same transmission opportunity.
  • a signal sending end device sends at least two signals; within the same transmission opportunity, a signal receiving end device receives at least two signals, at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, and at least two time-frequency resources correspond to different time domain positions; wherein at least two signals are generated based on the same signal sequence.
  • a group of time-frequency resources are continuous in the time domain, or are spaced in the time domain.
  • FIG6 shows a schematic diagram of a transmission opportunity provided by an exemplary embodiment of the present application.
  • the horizontal axis of FIG6 represents time (time domain), and the vertical axis represents frequency (frequency domain).
  • the physical resource corresponding to one subcarrier in the frequency domain and one symbol in the time domain is called a resource element (RE).
  • the physical resource corresponding to 12 consecutive subcarriers in the frequency domain and one time slot in the time domain is called a resource block (RB), and one time slot includes 7 symbols.
  • RE resource element
  • RB resource block
  • a group of time-frequency resources 141 shown in (1) of FIG6 is a time-domain continuous time-frequency resource within the same transmission opportunity
  • a group of time-frequency resources 142 shown in (2) of FIG6 is a time-domain equally spaced time-frequency resource within the same transmission opportunity
  • a group of time-frequency resources 143 shown in (3) of FIG6 is a time-domain unequally spaced time-frequency resource within the same transmission opportunity.
  • transmission opportunities are periodic.
  • the period of a transmission opportunity is configured by first configuration information, and the transmission opportunity may appear within the period.
  • the length of the transmission opportunity may be equal to the length of the period.
  • the length of the transmission opportunity may be less than the length of the period.
  • the length refers to the length of time or the length of occupied time.
  • the length of time may be expressed in absolute time or in the number of time domain units.
  • the time domain unit may be a symbol or a time slot. When the time domain unit is a symbol, the time domain unit may also be referred to as a time unit.
  • the length of a transmission opportunity refers to the time interval between the start time and the end time of the transmission opportunity.
  • the length of a period refers to the time interval between the start time and the end time of the period.
  • FIG7 shows a schematic diagram of a transmission opportunity provided by an exemplary embodiment of the present application.
  • the horizontal axis in FIG7 represents time.
  • the time interval between time point A and time point B is a period T, and the transmission opportunity may appear within the period T.
  • the length of the transmission opportunity in FIG7 is the same as the length of the period, and the signal may be transmitted from the starting position A of the transmission opportunity, that is, the signal is transmitted from the starting position t1 of the period.
  • FIG8 shows a schematic diagram of a transmission opportunity provided by an exemplary embodiment of the present application.
  • the horizontal axis in FIG8 represents time, wherein the time interval between time point A and time point B is a period T, and a transmission opportunity can appear within the period T, and the length of the transmission opportunity is less than the length of the period.
  • the signal can be transmitted from the starting position C of the transmission opportunity, and the starting position C of the transmission opportunity is equal to the period T.
  • the transmission opportunity is signaling triggered.
  • the signaling may also be referred to as at least one of indication signaling, trigger signaling, or transmission opportunity trigger signaling.
  • the type of signaling includes at least one of the following: Radio Resource Control (RRC) signaling; Non Access Stratum (NAS) signaling; Media Access Control (MAC) signaling; Downlink Control Information (DCI).
  • RRC Radio Resource Control
  • NAS Non Access Stratum
  • MAC Media Access Control
  • DCI Downlink Control Information
  • the signaling for triggering the time window and the signaling for triggering the transmission opportunity may be of the same type or of different types.
  • the signal transmitting end device or the signal receiving end device receives signaling, where the signaling is used to trigger a transmission opportunity.
  • FIG9 shows a schematic diagram of a transmission opportunity provided by an exemplary embodiment of the present application.
  • a signal transmitting end device or a signal receiving end device receives a signal at time t1, and the signal is used to trigger a transmission opportunity.
  • the signal may indicate that the starting position of the transmission opportunity is time t2, the length of the transmission opportunity is L, and the transmission duration of the signal is L.
  • the signal may indicate that the starting position of the transmission opportunity is the position corresponding to time ⁇ t after time t1, that is, the starting position of the transmission opportunity is t1+ ⁇ t, the length of the transmission opportunity is L, and the transmission duration of the signal is L.
  • t2 and ⁇ t may be indicated in the signal, or may be agreed upon in the protocol or pre-configured.
  • L may be indicated in the signal, or may be agreed upon in the protocol or pre-configured, and may also be determined based on the number of signals corresponding to the signal sequence and the time domain mapping method of at least two signals.
  • the transmission opportunity is configured by first configuration information.
  • the first configuration information is used to configure at least one of the following information: the length of the transmission opportunity; the period of the transmission opportunity; the starting position of the signal transmission within the transmission opportunity; the time domain mapping method of at least two signals; and the frequency domain mapping method of at least two signals.
  • the length of a transmission opportunity refers to the duration of time to which the transmission opportunity corresponds.
  • the length of the transmission opportunity is related to at least one of the following information:
  • the length of the transmission opportunity is related to the number of signals corresponding to the signal sequence.
  • the number of signals corresponding to the signal sequence can be determined based on the length of the transmission opportunity, or the length of the transmission opportunity can be determined based on the number of signals corresponding to the signal sequence.
  • the length of the transmission opportunity is positively correlated with the number of signals corresponding to the signal sequence, and the more signals corresponding to the signal sequence, the longer the length of the transmission opportunity.
  • the number of signals corresponding to the signal sequence is 4, where each signal occupies 1 symbol, then a group of time-frequency resources needs to include at least 4 symbols, and the length of the transmission opportunity is at least 4 symbols.
  • the length of the transmission opportunity is related to the transmission time length of the signal sequence.
  • the transmission time length of the signal sequence can be determined based on the length of the transmission opportunity, or can be determined based on the transmission time length of the signal sequence.
  • the length of the transmission opportunity is greater than or equal to the transmission time length of the signal sequence. For example, if the transmission time of the signal sequence is 10 milliseconds, the length of the transmission opportunity is greater than or equal to 10 milliseconds.
  • the length of the transmission opportunity is related to the time interval between the start time of the first signal and the start time of the last signal corresponding to the signal sequence.
  • the time interval between the start time of the first signal and the start time of the last signal corresponding to the signal sequence can be determined according to the length of the transmission opportunity, or the length of the transmission opportunity can be determined according to the time interval between the start time of the first signal and the start time of the last signal corresponding to the signal sequence.
  • the length of the transmission opportunity is greater than the time interval between the start time of the first signal and the start time of the last signal corresponding to the signal sequence.
  • the length of the transmission opportunity is equal to the sum of the time interval and the signal transmission duration of the last signal.
  • the signal transmission duration of the last signal can be pre-configured or agreed upon by the protocol.
  • the length of the transmission opportunity is related to the time interval between the start time of the first signal and the end time of the last signal corresponding to the signal sequence.
  • the time interval between the start time of the first signal and the end time of the last signal corresponding to the signal sequence can be determined according to the length of the transmission opportunity, or the length of the transmission opportunity can be determined according to the time interval between the start time of the first signal and the end time of the last signal corresponding to the signal sequence.
  • the length of the transmission opportunity is greater than or equal to the time interval between the start time of the first signal and the end time of the last signal corresponding to the signal sequence. For example, if the time interval between the start time of the first signal and the end time of the last signal corresponding to the signal sequence is 10 milliseconds, then the length of the transmission opportunity is greater than or equal to 10 milliseconds.
  • the time interval is represented by at least one of the following information: N symbols; N time slots; N frames; N milliseconds; N seconds; wherein N is greater than or equal to 0, or N is greater than or equal to 1.
  • the length of the transmission opportunity is related to the length of the time domain unit used to map the signal sequence.
  • the length of the time domain unit used to map the signal sequence can be determined according to the length of the transmission opportunity, or the length of the time domain unit used to map the signal sequence can be determined according to the length of the time domain unit.
  • the length of the transmission opportunity is greater than or equal to the total length of the time domain unit used to map the signal sequence, and the total length refers to the sum of the lengths of the various time domain units used to map the signal sequence.
  • the time domain unit is at least one time unit for mapping a signal sequence.
  • the time unit is a basic unit for signal mapping, and each time unit is used to map a signal.
  • the time unit is configured as a symbol. Since the time domain unit is at least one time unit, unit, each time domain unit is used to map at least one signal.
  • the time domain unit is at least one of a first time domain unit and a second time domain unit, each second time domain unit includes at least two first time domain units, and each first time domain unit is used to map a signal.
  • the first time domain unit is configured as a symbol
  • the second time domain unit is configured as a time slot.
  • the length of the time domain unit used to map the signal sequence includes at least one of the following: the length of a first time domain unit used to map the signal sequence; the length of a second time domain unit used to map the signal sequence.
  • the length of the transmission opportunity is greater than or equal to the total length of the time domain unit used to map the signal sequence, wherein the total length of the time domain unit used to map the signal sequence refers to the sum of the lengths of the first time domain units used to map the signal sequence, or refers to the sum of the lengths of the second time domain units used to map the signal sequence.
  • the length of the transmission opportunity is related to the number of time domain units used to map the signal sequence.
  • the number of time domain units used to map the signal sequence can be determined according to the length of the transmission opportunity, or the length of the transmission opportunity can be determined according to the number of time domain units used to map the signal sequence.
  • the length of the transmission opportunity is greater than or equal to the total length of the time domain units used to map the signal sequence, and the total length is equal to the length of a single time domain unit multiplied by the number of time domain units.
  • the number of time domain units used to map the signal sequence includes at least one of the following: the number of first time domain units used to map the signal sequence; the number of second time domain units used to map the signal sequence.
  • the length of the transmission opportunity is greater than or equal to the total length of the time domain units used to map the signal sequence, wherein the total length of the time domain units used to map the signal sequence refers to the length of a single first time domain unit used to map the signal sequence multiplied by the number of first time domain units, or refers to the length of a single second time domain unit used to map the signal sequence multiplied by the number of second time domain units.
  • the length of the transmission opportunity is related to the time interval between the time domain units used to map the signal sequence.
  • the time interval between the time domain units used to map the signal sequence can be determined based on the length of the transmission opportunity, or the length of the transmission opportunity can be determined based on the time interval between the time domain units used to map the signal sequence.
  • the length of the transmission opportunity is greater than or equal to the sum of the total time interval corresponding to the time domain unit and the total length.
  • the total time interval refers to the sum of the time intervals between the time domain units used to map the signal sequence
  • the total length refers to the sum of the lengths of the time domain units used to map the signal sequence.
  • the time interval between time domain units used for mapping the signal sequence includes at least one of the following: the time interval between first time domain units used for mapping the signal sequence; the time interval between second time domain units used for mapping the signal sequence.
  • the length of the transmission opportunity is greater than or equal to the sum of the total time interval and the total length corresponding to the first time domain unit.
  • the total time interval refers to the sum of the time intervals between the first time domain units used to map the signal sequence, and the total length refers to the sum of the lengths of the first time domain units used to map the signal sequence.
  • the length of the transmission opportunity is greater than or equal to the sum of the total time interval and the total length corresponding to the second time domain unit.
  • the total time interval refers to the sum of the time intervals between the second time domain units used to map the signal sequence, and the total length refers to the sum of the lengths of the second time domain units used to map the signal sequence.
  • a period is configured by the first configuration information, and a transmission opportunity may occur within the period.
  • the starting position of the transmission opportunity is the same as the starting position of the cycle.
  • the length of the transmission opportunity is less than the length of the cycle, the starting position of the transmission opportunity is later than the starting position of the cycle.
  • the time offset between the starting position of the transmission opportunity and the starting position of the cycle can be referred to as the signal transmission starting point offset.
  • the length of a transmission opportunity when the length of a transmission opportunity is equal to the length of a cycle, the length of the transmission opportunity may not be configured.
  • the first configuration information may also be used to configure at least one of the number of cycles of transmission opportunities and the number of transmission opportunities.
  • the first configuration information does not configure the number of cycles of transmission opportunities or the number of transmission opportunities
  • the number of cycles of transmission opportunities and the number of transmission opportunities may be extended indefinitely in time until the signal transmitting end device or the signal receiving end device receives signaling to terminate or reconfigure the cycle or transmission opportunity.
  • the period of transmission opportunities is related to at least one of the following information: the transmission period of the signal sequence; the time interval between the start time of the i-th signal sequence and the start time of the (i+1)-th signal sequence; i is greater than or equal to 0.
  • the transmission period of the signal sequence includes the time interval between the ith signal sequence and the i+1th signal sequence, where i is greater than or equal to 0.
  • the transmission period of the signal sequence may be the time interval between the starting position of the signal transmission of the first signal of the ith signal sequence and the starting position of the signal transmission of the first signal corresponding to the i+1th signal sequence.
  • the period of the transmission opportunity is related to the transmission period of the signal sequence.
  • the transmission period of the signal sequence may be determined based on the period of the transmission opportunity, or may be determined based on the transmission period of the signal sequence.
  • the period of the transmission opportunity is greater than or equal to the transmission period of the signal sequence.
  • the starting moment of the i-th signal sequence is the starting position of the signal transmission of the first signal corresponding to the i-th signal sequence, and i is greater than or equal to 0.
  • the starting moment of the i+1-th signal sequence is the starting position of the signal transmission of the first signal corresponding to the i+1-th signal sequence.
  • the period of transmission opportunity is related to the time interval between the starting moment of the i-th signal sequence and the starting moment of the i+1-th signal sequence.
  • the time interval between the starting moment of the i-th signal sequence and the starting moment of the i+1-th signal sequence can be determined according to the period of transmission opportunity, and the period of transmission opportunity can also be determined according to the time interval between the starting moment of the i-th signal sequence and the starting moment of the i+1-th signal sequence.
  • the period of transmission opportunity is greater than or equal to the time interval between the starting moment of the i-th signal sequence and the starting moment of the i+1-th signal sequence. The time interval between the start times of .
  • the length between time point A and time point B is the transmission period of the signal sequence
  • the period of the transmission opportunity can be indicated by the transmission period of the signal sequence.
  • the start time of the first signal sequence is time point A
  • the end time of the first signal sequence is time point B
  • the start time of the second signal sequence is time point B
  • the period of the transmission opportunity can be indicated by the time interval between the start time of the first signal sequence and the start time of the second signal sequence.
  • the starting position of signal transmission within a transmission opportunity refers to the starting position of signal transmission of the first signal corresponding to the signal sequence.
  • the starting position of signal transmission within a transmission opportunity may also be referred to as a signal transmission starting point or a signal transmission starting time point.
  • the starting position of the signal transmission within the transmission opportunity may be the same as the starting position of the transmission opportunity.
  • the starting position of the signal transmission within the transmission opportunity is the starting position of the cycle.
  • the starting position of the signal transmission within the transmission opportunity is the starting position of the transmission opportunity
  • the ending position of the signal transmission within the transmission opportunity is the ending position of the transmission opportunity.
  • the starting position of the transmission opportunity is the same as the starting position of the signal transmission
  • the ending position of the transmission opportunity is also the same as the ending position of the signal transmission
  • the length of the transmission opportunity is equal to the transmission time length of the signal sequence, which is equivalent to determining the transmission opportunity when a group of time-frequency resources is determined.
  • the starting position of the signal transmission in the transmission opportunity may be indicated by the starting position A of the signal transmission.
  • the starting position of the signal transmission of the first signal corresponding to the signal sequence may be used to indicate the starting position of the signal transmission in the transmission opportunity.
  • the first configuration information may also be used to configure the time domain mapping mode of at least two signals in the transmission opportunity. It should be noted that the time domain mapping mode of at least two signals may be configured by the first configuration information or by the second configuration information.
  • the time domain mapping method of at least two signals includes at least one of the following: mapping on at least two consecutive first time domain units; mapping within at least two consecutive second time domain units; mapping on at least two spaced first time domain units; mapping within at least two spaced second time domain units; mapping within a second time domain unit.
  • the interval includes at least one of equal intervals or unequal intervals. Then mapping on at least two first time domain units of the interval includes at least one of mapping on at least two first time domain units of equal intervals and mapping on at least two first time domain units of unequal intervals. Then mapping within at least two second time domain units of the interval includes at least one of mapping within at least two second time domain units of equal intervals and mapping within at least two second time domain units of unequal intervals.
  • the first time domain unit is configured as a symbol
  • the second time domain unit is configured as a time slot. Then, at least two signals can be mapped on at least two consecutive symbols, or, mapped in at least two consecutive time slots, or, mapped on at least two interval symbols, or, mapped in at least two interval time slots, or, mapped in one time slot.
  • the time domain mapping of at least two signals is taken as an example of mapping in at least two continuous second time domain units and mapping in at least two interval second time domain units.
  • the second time domain unit is configured as a time slot.
  • Figure 10 shows a schematic diagram of the time domain mapping of signals provided by an embodiment of the present application. As shown in (1) of Figure 10, the multiple time slots corresponding to the same transmission opportunity can be continuous, wherein the same transmission opportunity is configured as 7 time slots, the time interval between adjacent time slots is configured as 0 or default, and at least two signals are mapped in continuous time slots.
  • the multiple time slots corresponding to the same transmission opportunity can be equally spaced, wherein the same transmission opportunity is configured as 4 time slots, the time interval between any two adjacent time slots is 1, and at least two signals are mapped in equally spaced time slots.
  • the multiple time slots corresponding to the same transmission opportunity can be equally spaced, wherein the same transmission opportunity is configured as 3 time slots, the time interval between any two adjacent time slots is 2, and at least two signals are mapped in equally spaced time slots.
  • the time domain mapping of at least two signals is mapped on at least two continuous first time domain units and mapped on at least two spaced first time domain units as an example.
  • the first time domain unit is configured as a symbol.
  • Figure 11 shows a schematic diagram of the time domain mapping of a signal provided by an exemplary embodiment of the present application.
  • at least two signals are mapped on continuous symbols, and the time interval between adjacent symbols is configured as 0 or default.
  • at least two signals are mapped on equally spaced symbols, and the time interval between any two adjacent symbols is 1.
  • at least two signals are mapped on equally spaced symbols, and the time interval between any two adjacent symbols is 3.
  • one time slot includes at least two symbols
  • at least two symbols may be continuous or spaced within one time slot.
  • at least two signals may be mapped on at least two continuous symbols, or, mapped on at least two spaced symbols.
  • at least two symbols may be continuous or spaced within any time slot of the multiple spaced time slots.
  • at least two signals may be mapped on at least two continuous symbols, or, mapped on at least two spaced symbols.
  • mapping within a second time domain unit includes at least one of the following: mapping on at least two consecutive first time domain units within a second time domain unit; mapping on at least two spaced first time domain units within a second time domain unit.
  • mapping within at least two second time domain units of the interval includes at least one of the following: mapping within any second time domain unit of the interval on at least two consecutive first time domain units; mapping within any second time domain unit of the interval on at least two consecutive first time domain units; Mapping on domain units.
  • the first time domain unit is configured as a symbol
  • the second time domain unit is configured as a time slot.
  • at least two signals can be mapped on at least two consecutive symbols in any time slot of the interval.
  • the time domain mapping method of at least two signals is a combination of (2) in Figure 10 and (1) in Figure 11.
  • the time domain mapping method of at least two signals is a combination of (3) in Figure 10 and (1) in Figure 11.
  • at least two signals can be mapped on at least two consecutive symbols in any time slot of the interval.
  • the time domain mapping method of at least two signals is a combination of (2) in Figure 10 and (2) in Figure 11.
  • the time domain mapping method of at least two signals is a combination of (2) in Figure 10 and (3) in Figure 11.
  • the time domain mapping method of at least two signals is a combination of (3) in Figure 10 and (2) in Figure 11.
  • the time domain mapping manner of at least two signals is a combination of that shown in (3) in FIG. 10 and that shown in (3) in FIG. 11 .
  • the first configuration information may also be used to configure the frequency domain mapping mode of at least two signals in the transmission opportunity. It should be noted that the frequency domain mapping mode of at least two signals may be configured by the first configuration information or by the third configuration information.
  • the frequency domain mapping manner of at least two signals includes at least one of the following: mapping on continuous frequency domain resource units; mapping on spaced frequency domain resource units.
  • the frequency domain resource unit includes at least one of the following: subcarrier (Subcarrier); resource block (Resource Block, RB); resource element (Resource Element, RE).
  • At least two signals may be mapped on consecutive subcarriers, or, mapped on consecutive resource blocks, or, mapped on consecutive resource elements. At least two signals may also be mapped on spaced subcarriers, or, mapped on spaced resource blocks, or, mapped on spaced resource elements.
  • the spacing includes at least one of equal spacing or unequal spacing.
  • a group of time-frequency resources within the same transmission opportunity are within a time slot.
  • Figure 12 shows a schematic diagram of continuous mapping of signals within a time slot provided by an exemplary embodiment of the present application.
  • k is the index of the subcarrier where the signal is located, and the signal is mapped sequentially on continuous resource elements of different symbols of the same subcarrier.
  • the signals corresponding to the signal sequence are mapped one by one on a group of time-frequency resources.
  • a group of time-frequency resources within the same transmission opportunity is within multiple consecutive time slots.
  • the signal corresponding to the signal sequence is mapped in the order of the time slots.
  • Figure 13 shows a schematic diagram of the continuous mapping of signals in multiple time slots provided by an exemplary embodiment of the present application.
  • k is the index of the subcarrier where the signal is located.
  • the signal is mapped on consecutive symbols in any time slot of the multiple time slots.
  • a group of time-frequency resources within the same transmission opportunity is within a time slot.
  • Figure 14 shows a schematic diagram of interval mapping of a signal within a time slot provided by an exemplary embodiment of the present application.
  • k is the index of the subcarrier where the signal is located, the interval is equally spaced and the time interval is 1, and the signal is sequentially mapped to the resource elements with a time interval of 1 of different symbols of the same subcarrier.
  • the signals corresponding to the signal sequence are mapped one by one to a group of time-frequency resources.
  • a group of time-frequency resources within the same transmission opportunity is mapped in multiple consecutive time slots, and the signals corresponding to the signal sequence are mapped in the order of the time slots.
  • FIG. 15 shows a schematic diagram of the interval mapping of signals in multiple time slots provided by an exemplary embodiment of the present application.
  • k is the index of the subcarrier where the signal is located.
  • the signal is mapped on the symbols of the intervals in any time slot of the multiple time slots, and the intervals are equally spaced and the time interval is 1.
  • a group of time-frequency resources are time-frequency resources within the same time window.
  • a signal sending end device sends at least two signals; within the same time window, a signal receiving end device receives at least two signals, at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, and at least two time-frequency resources correspond to different time domain positions; wherein at least two signals are generated based on the same signal sequence.
  • a group of time-frequency resources are continuous in the time domain, or are spaced in the time domain.
  • FIG16 shows a schematic diagram of a time window provided by an exemplary embodiment of the present application.
  • the horizontal axis of FIG16 represents time (time domain), and the vertical axis represents frequency (frequency domain).
  • One subcarrier in the frequency domain corresponds to one symbol in the time domain.
  • a physical resource is called a resource element (RE).
  • a physical resource corresponding to 12 consecutive subcarriers in the frequency domain and one time slot in the time domain is called a resource block (RB), and one time slot includes 7 symbols.
  • RE resource element
  • RB resource block
  • a group of time-frequency resources 141 shown in (1) of FIG16 is time-domain continuous time-frequency resources within the same time window
  • a group of time-frequency resources 142 shown in (2) of FIG16 is time-domain equally spaced time-frequency resources within the same time window
  • a group of time-frequency resources 143 shown in (3) of FIG16 is time-domain unequally spaced time-frequency resources within the same time window.
  • the time window is periodic.
  • the period of the time window is configured by the first configuration information, and the time window may appear within the period.
  • the length of the time window may be equal to the length of the period.
  • the length of the time window may be less than the length of the period.
  • the length refers to the length of time or the length of occupied time.
  • the length of time may be expressed in absolute time or in the number of time domain units.
  • the time domain unit may be a symbol or a time slot. When the time domain unit is a symbol, the time domain unit may also be referred to as a time unit.
  • the length of the time window refers to the time interval between the start time and the end time of the time window.
  • the length of the period refers to the time interval between the start time and the end time of the period.
  • FIG17 shows a schematic diagram of a time window provided by an exemplary embodiment of the present application.
  • the horizontal axis in FIG17 represents time.
  • the time interval between time point A and time point B is a period T, and the time window may appear within the period T.
  • the length of the time window in FIG17 is the same as the length of the period, and the signal may be transmitted from the starting position A of the time window, that is, the signal is transmitted from the starting position t1 of the period.
  • FIG18 shows a schematic diagram of a time window provided by an exemplary embodiment of the present application.
  • the horizontal axis in FIG18 represents time.
  • the time interval between time point A and time point B is a period T, and the time window may appear within the period T, and the length of the time window is less than the length of the period.
  • the signal is transmitted from the starting position C of the time window, and there is a time window starting point offset t_offset between the starting position C of the time window and the starting position A of the period.
  • the time window is signaling triggered.
  • the signaling may also be referred to as at least one of indication signaling, trigger signaling, or time window trigger signaling.
  • the type of signaling includes at least one of the following: radio resource control signaling; non-access layer signaling; media access control signaling; downlink control information.
  • the signaling for triggering the time window and the signaling for triggering the transmission opportunity may be of the same type or of different types.
  • the signal transmitting end device or the signal receiving end device receives signaling, where the signaling is used to trigger the time window.
  • FIG19 shows a schematic diagram of a time window provided by an exemplary embodiment of the present application.
  • a signal transmitting end device or a signal receiving end device receives a signal at time t1, and the signal is used to trigger the time window.
  • the signal may indicate that the starting position of the time window is time t2, the length of the time window is L, and the transmission duration of the signal is L.
  • the signal may indicate that the starting position of the time window is the position corresponding to time ⁇ t after time t1, that is, the starting position of the time window is t1+ ⁇ t, the length of the time window is L, and the transmission duration of the signal is L.
  • t2 and ⁇ t may be indicated in the signal, or may be agreed upon in the protocol or pre-configured.
  • L may be indicated in the signal, or may be agreed upon in the protocol or pre-configured, and may also be determined based on the number of signals corresponding to the signal sequence and the time domain mapping method of at least two signals.
  • the time window is configured by first configuration information.
  • the first configuration information is used to configure at least one of the following information: the length of the time window; the period of the time window; the time window starting point offset; the starting position of the signal transmission within the time window; the time domain mapping method of at least two signals; and the frequency domain mapping method of at least two signals.
  • the length of the time window refers to the duration corresponding to the time window.
  • the length of the time window is related to at least one of the following information: the number of signals corresponding to the signal sequence; the transmission time length of the signal sequence; the time interval between the start time of the first signal and the start time of the last signal corresponding to the signal sequence; the time interval between the start time of the first signal and the end time of the last signal corresponding to the signal sequence; the length of the time domain unit used to map the signal sequence; the number of time domain units used to map the signal sequence; the time interval between the time domain units used to map the signal sequence; wherein each time domain unit is used to map at least one signal.
  • the length of the time window is related to the number of signals corresponding to the signal sequence.
  • the number of signals corresponding to the signal sequence can be determined based on the length of the time window, or the length of the time window can be determined based on the number of signals corresponding to the signal sequence.
  • the length of the time window is positively correlated with the number of signals corresponding to the signal sequence, and the more signals corresponding to the signal sequence, the longer the length of the time window.
  • the number of signals corresponding to the signal sequence is 4, where each signal occupies 1 symbol, then a group of time-frequency resources needs to include at least 4 symbols, and the length of the time window is at least 4 symbols.
  • the length of the time window is related to the transmission time length of the signal sequence.
  • the transmission time length of the signal sequence can be determined based on the length of the time window, or the length of the time window can be determined based on the transmission time length of the signal sequence.
  • the length of the time window is greater than or equal to the transmission time length of the signal sequence. For example, if the transmission time of the signal sequence is 10 milliseconds, the length of the time window is greater than or equal to 10 milliseconds.
  • the length of the time window is related to the time interval between the start time of the first signal and the start time of the last signal corresponding to the signal sequence.
  • the time interval between the start time of the first signal and the start time of the last signal corresponding to the signal sequence can be determined according to the length of the time window, or the time interval between the start time of the first signal and the start time of the last signal corresponding to the signal sequence can be determined according to the length of the time window.
  • the length of the time window is determined by the time interval of the signal sequence.
  • the length of the time window is greater than the time interval between the start time of the first signal and the start time of the last signal of the signal sequence.
  • the length of the time window is equal to the sum of the time interval and the signal transmission duration of the last signal.
  • the signal transmission duration of the last signal can be pre-configured or agreed upon by the protocol.
  • the length of the time window is related to the time interval between the start time of the first signal and the end time of the last signal corresponding to the signal sequence.
  • the time interval between the start time of the first signal and the end time of the last signal corresponding to the signal sequence can be determined according to the length of the time window, or the length of the time window can be determined according to the time interval between the start time of the first signal and the end time of the last signal corresponding to the signal sequence.
  • the length of the time window is greater than or equal to the time interval between the start time of the first signal and the end time of the last signal corresponding to the signal sequence. For example, if the time interval between the start time of the first signal and the end time of the last signal corresponding to the signal sequence is 10 milliseconds, then the length of the time window is greater than or equal to 10 milliseconds.
  • the time interval is represented by at least one of the following information: N symbols; N time slots; N frames; N milliseconds; N seconds; wherein N is greater than or equal to 0, or N is greater than or equal to 1.
  • the length of the time window is related to the length of the time domain unit used to map the signal sequence.
  • the length of the time domain unit used to map the signal sequence can be determined according to the length of the time window, or the length of the time window can be determined according to the length of the time domain unit used to map the signal sequence.
  • the length of the time window is greater than or equal to the total length of the time domain unit used to map the signal sequence, and the total length refers to the sum of the lengths of the various time domain units used to map the signal sequence.
  • the time domain unit is at least one time unit for mapping a signal sequence.
  • the time unit is a basic unit for signal mapping, and each time unit is used to map a signal.
  • the time unit is configured as a symbol. Since the time domain unit is at least one time unit, each time domain unit is used to map at least one signal.
  • the time domain unit is at least one of a first time domain unit and a second time domain unit, each second time domain unit includes at least two first time domain units, and each first time domain unit is used to map a signal.
  • the first time domain unit is configured as a symbol
  • the second time domain unit is configured as a time slot.
  • the length of the time domain unit used to map the signal sequence includes at least one of the following: the length of a first time domain unit used to map the signal sequence; the length of a second time domain unit used to map the signal sequence.
  • the length of the time window is greater than or equal to the total length of the time domain units used to map the signal sequence.
  • the total length of the time domain units used to map the signal sequence refers to the sum of the lengths of the first time domain units used to map the signal sequence, or refers to the sum of the lengths of the second time domain units used to map the signal sequence.
  • the length of the time window is related to the number of time domain units used to map the signal sequence.
  • the number of time domain units used to map the signal sequence can be determined according to the length of the time window, or the length of the time window can be determined according to the number of time domain units used to map the signal sequence.
  • the length of the time window is greater than or equal to the total length of the time domain units used to map the signal sequence, which is equal to the length of a single time domain unit multiplied by the number of time domain units.
  • the number of time domain units used to map the signal sequence includes at least one of the following: the number of first time domain units used to map the signal sequence; the number of second time domain units used to map the signal sequence.
  • the length of the time window is greater than or equal to the total length of the time domain units used to map the signal sequence.
  • the total length of the time domain units used to map the signal sequence refers to the length of a single first time domain unit used to map the signal sequence multiplied by the number of first time domain units, or refers to the length of a single second time domain unit used to map the signal sequence multiplied by the number of second time domain units.
  • the length of the time window is related to the time interval between the time domain units used to map the signal sequence.
  • the time interval between the time domain units used to map the signal sequence can be determined according to the length of the time window, and the length of the time window can also be determined according to the time interval between the time domain units used to map the signal sequence.
  • the length of the time window is greater than or equal to the sum of the total time interval corresponding to the time domain unit and the total length.
  • the total time interval refers to the sum of the time intervals between the time domain units used to map the signal sequence
  • the total length refers to the sum of the lengths of the time domain units used to map the signal sequence.
  • the time interval between time domain units used for mapping the signal sequence includes at least one of the following: the time interval between first time domain units used for mapping the signal sequence; the time interval between second time domain units used for mapping the signal sequence.
  • the length of the time window is greater than or equal to the sum of the total time intervals and the total length corresponding to the first time domain unit.
  • the total time interval refers to the sum of the time intervals between the first time domain units used to map the signal sequence, and the total length refers to the sum of the lengths of the first time domain units used to map the signal sequence.
  • the length of the time window is greater than or equal to the sum of the total time intervals and the total length corresponding to the second time domain unit.
  • the total time interval refers to the sum of the time intervals between the second time domain units used to map the signal sequence, and the total length refers to the sum of the lengths of the second time domain units used to map the signal sequence.
  • the period is configured by the first configuration information, and the time window may appear within the period.
  • the starting position of the time window is the same as the starting position of the cycle.
  • the starting position of the time window is later than the starting position of the cycle.
  • the time offset between the starting position of the time window and the starting position of the cycle can be referred to as the time window starting point offset.
  • the length of the time window when the length of the time window is equal to the length of the cycle, the length of the time window may not be configured.
  • the first configuration information may also be used to configure at least one of the number of cycles of the time window and the number of times of the time window.
  • the first configuration information does not configure the number of cycles of the time window or the number of times of the time window
  • the number of cycles of the time window and the number of times of the time window may be extended indefinitely in time until the signal transmitting end device or the signal receiving end device receives the signaling to terminate or reconfigure the cycle or time window.
  • the period of the time window is related to at least one of the following information: a transmission period of a signal sequence; a time interval between a start time of the i-th signal sequence and a start time of the (i+1)-th signal sequence; i is greater than or equal to 0.
  • the transmission period of the signal sequence includes the time interval between the ith signal sequence and the i+1th signal sequence, where i is greater than or equal to 0.
  • the transmission period of the signal sequence may be the time interval between the starting position of the signal transmission of the first signal of the ith signal sequence and the starting position of the signal transmission of the first signal corresponding to the i+1th signal sequence.
  • the period of the time window is related to the transmission period of the signal sequence.
  • the transmission period of the signal sequence may be determined according to the period of the time window, or the period of the time window may be determined according to the transmission period of the signal sequence.
  • the period of the time window is greater than or equal to the transmission period of the signal sequence.
  • the start time of the i-th signal sequence is the starting position of the signal transmission of the first signal corresponding to the i-th signal sequence, and i is greater than or equal to 0.
  • the start time of the i+1-th signal sequence is the starting position of the signal transmission of the first signal corresponding to the i+1-th signal sequence.
  • the period of the time window is related to the time interval between the start time of the i-th signal sequence and the start time of the i+1-th signal sequence.
  • the time interval between the start time of the i-th signal sequence and the start time of the i+1-th signal sequence can be determined according to the period of the time window, and the period of the time window can also be determined according to the time interval between the start time of the i-th signal sequence and the start time of the i+1-th signal sequence.
  • the period of the time window is greater than or equal to the time interval between the start time of the i-th signal sequence and the start time of the i+1-th signal sequence.
  • the length between time point A and time point B is the transmission period of the signal sequence
  • the period of the time window can be indicated by the transmission period of the signal sequence.
  • the starting position of signal transmission within the time window refers to the starting position of signal transmission of the first signal corresponding to the signal sequence.
  • the starting position of signal transmission within the time window can also be called the signal transmission starting point or the signal transmission starting time point.
  • the starting position of the signal transmission in the time window may be the same as the starting position of the time window.
  • the starting position of the signal transmission in the time window is the starting position of the period.
  • the starting position of the signal transmission in the time window may also be later than the starting position of the time window.
  • the starting position of the signal transmission in the time window may be the starting position of the time window, and the ending position of the signal transmission in the time window may be earlier than the ending position of the time window.
  • the starting position of the signal transmission in the time window may be the starting position of the time window, and the ending position of the signal transmission in the time window may be the ending position of the time window.
  • the starting position of the signal transmission in the time window may be later than the starting position of the time window, and the ending position of the signal transmission in the time window may be the ending position of the time window.
  • the starting position of the signal transmission in the time window may be later than the starting position of the time window, and the ending position of the signal transmission in the time window may be the ending position of the time window.
  • the starting position of the signal transmission in the time window may be later than the starting position of the time window, and the ending position of the signal transmission in the time window may be earlier than the ending position of the time window.
  • the starting position of the signal transmission within the time window is equal to or later than the starting position of the time window
  • the ending position of the signal transmission within the time window is earlier than or equal to the ending position of the time window
  • the length of the time window is greater than or equal to the transmission time length of the signal sequence, which is equivalent to first determining the time window and then determining a group of time-frequency resources.
  • the starting position of the signal transmission when a signal is transmitted starting from the starting position A of the time window, can be used to indicate the starting position of the signal transmission in the time window.
  • the starting position of the signal transmission of the first signal corresponding to the signal sequence when a signal is transmitted starting from the starting position C of the time window, can be used to indicate the starting position of the signal transmission in the time window.
  • the first configuration information may also be used to configure the time domain mapping mode of at least two signals in the time window. It should be noted that the time domain mapping mode of at least two signals may be configured by the first configuration information or by the second configuration information.
  • the time domain mapping method of at least two signals includes at least one of the following: mapping on at least two consecutive first time domain units; mapping within at least two consecutive second time domain units; mapping on at least two spaced first time domain units; mapping within at least two spaced second time domain units; mapping within a second time domain unit.
  • the interval includes at least one of equal intervals or unequal intervals.
  • Mapping on at least two first time domain units of the interval includes at least one of mapping on at least two first time domain units of equal intervals and mapping on at least two first time domain units of unequal intervals.
  • Mapping within at least two second time domain units of the interval includes at least one of mapping within at least two second time domain units of equal intervals and mapping within at least two second time domain units of unequal intervals.
  • the first time domain unit is configured as a symbol
  • the second time domain unit is configured as a time slot. Then, at least two signals can be mapped on at least two consecutive symbols, or, mapped in at least two consecutive time slots, or, mapped on at least two interval symbols, or, mapped in at least two interval time slots, or, mapped in one time slot.
  • the time domain mapping of at least two signals is as follows: mapping in at least two consecutive second time domain units and mapping in at least two interval second time domain units.
  • the second time domain unit is configured as a time slot.
  • FIG20 shows a schematic diagram of the time domain mapping of a signal provided by an embodiment of the present application. As shown in (1) of FIG20, multiple time slots in the same time window may be continuous, wherein: The same time window is configured with 7 time slots, the time interval between adjacent time slots is configured as 0 or default, at least two signals are mapped in continuous time slots, and the starting position of the signal transmission of the first signal of at least two signals can be 0.
  • multiple time slots in the same time window can be continuous, wherein the same time window is configured with 5 time slots, the time interval between adjacent time slots is configured as 0 or default, at least two signals are mapped in continuous time slots, and the starting position of the signal transmission of the first signal of at least two signals can be 1.
  • multiple time slots in the same time window can be equally spaced, wherein the same time window is configured with 4 time slots, the time interval between any two adjacent time slots is 1, and at least two signals are mapped in equally spaced time slots.
  • multiple time slots in the same time window can be equally spaced, wherein the same time window is configured with 3 time slots, the time interval between any two adjacent time slots is 2, and at least two signals are mapped in equally spaced time slots.
  • the time domain mapping of at least two signals is mapped in at least two continuous first time domain units and mapped in at least two intervals of first time domain units as an example.
  • the first time domain unit is configured as a symbol.
  • Figure 21 shows a schematic diagram of the time domain mapping of a signal provided by an exemplary embodiment of the present application.
  • at least two signals are mapped on continuous symbols, and the time interval between adjacent symbols is configured as 0 or default.
  • at least two signals are mapped on equally spaced symbols, and the time interval between any two adjacent symbols is 1.
  • at least two signals are mapped on equally spaced symbols, and the time interval between any two adjacent symbols is 3.
  • one time slot includes at least two symbols.
  • at least two symbols may be continuous or spaced within one time slot.
  • at least two signals may be mapped on at least two continuous symbols, or, mapped on at least two spaced symbols.
  • at least two symbols may be continuous or spaced within any one of the multiple spaced time slots.
  • at least two signals may be mapped on at least two continuous symbols, or, mapped on at least two spaced symbols.
  • mapping within a second time domain unit includes at least one of the following: mapping on at least two consecutive first time domain units within a second time domain unit; mapping on at least two spaced first time domain units within a second time domain unit.
  • mapping within at least two second time domain units of the interval includes at least one of the following: mapping on at least two consecutive first time domain units within any second time domain unit of the interval; mapping on at least two first time domain units of the interval within any second time domain unit of the interval.
  • the first time domain unit is configured as a symbol
  • the second time domain unit is configured as a time slot.
  • at least two signals can be mapped on at least two consecutive symbols in any time slot of the interval.
  • the time domain mapping method of at least two signals is a combination of (3) in Figure 20 and (1) in Figure 21.
  • the time domain mapping method of at least two signals is a combination of (4) in Figure 20 and (1) in Figure 21.
  • at least two signals can be mapped on at least two consecutive symbols in any time slot of the interval.
  • the time domain mapping method of at least two signals is a combination of (3) in Figure 20 and (2) in Figure 21.
  • the time domain mapping method of at least two signals is a combination of (3) in Figure 20 and (3) in Figure 21.
  • the time domain mapping method of at least two signals is a combination of (4) in Figure 20 and (2) in Figure 21.
  • the time domain mapping of at least two signals is a combination of that shown in (4) in FIG. 20 and that shown in (3) in FIG. 21 .
  • the first configuration information may also be used to configure the frequency domain mapping mode of at least two signals in the time window. It should be noted that the frequency domain mapping mode of at least two signals may be configured by the first configuration information or by the third configuration information.
  • the frequency domain mapping manner of at least two signals includes at least one of the following: mapping on continuous frequency domain resource units; mapping on spaced frequency domain resource units.
  • the frequency domain resource unit includes at least one of the following: a subcarrier; a resource block; a resource element.
  • At least two signals may be mapped on consecutive subcarriers, or, mapped on consecutive resource blocks, or, mapped on consecutive resource elements. At least two signals may also be mapped on spaced subcarriers, or, mapped on spaced resource blocks, or, mapped on spaced resource elements.
  • the spacing includes at least one of equal spacing or unequal spacing.
  • a group of time-frequency resources within the same time window is within a time slot.
  • Figure 13 shows a schematic diagram of continuous mapping of signals within a time slot provided by an exemplary embodiment of the present application.
  • k is the index of the subcarrier where the signal is located, and the signal is mapped sequentially on continuous resource elements of different symbols of the same subcarrier.
  • the signals corresponding to the signal sequence are mapped one by one on a group of time-frequency resources.
  • a group of time-frequency resources in the same time window is in multiple consecutive time slots.
  • the signals corresponding to the signal sequence are mapped in the order of the time slots.
  • the schematic diagram of the continuous mapping of the signals in multiple time slots in this embodiment can still refer to Figure 13, which will not be repeated here.
  • a group of time-frequency resources in the same time window is in one time slot.
  • the schematic diagram of interval mapping of signals in this embodiment in one time slot can still refer to FIG. 14, which will not be repeated here.
  • a group of time-frequency resources in the same time window is mapped in multiple consecutive time slots, and the signals corresponding to the signal sequence are mapped in the order of the time slots.
  • the schematic diagram of the interval mapping of signals in multiple time slots in this embodiment can still refer to Figure 15, which will not be repeated here.
  • a signal transmitting end device transmits at least two signals; a signal receiving end device receives at least two signals; the at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, and the time domain positions corresponding to the at least two time-frequency resources are different.
  • the time domain position corresponding to a group of time-frequency resources is configured by second configuration information.
  • the second configuration information is used to configure at least one of the following information: the number of time domain units corresponding to a group of time-frequency resources; the length of the time domain unit corresponding to a group of time-frequency resources; the time interval between the time domain units corresponding to a group of time-frequency resources; the time domain mapping method of at least two signals; wherein each time domain unit is used to map at least one signal.
  • the number of time domain units corresponding to a set of time-frequency resources is related to at least one of the following information:
  • the length of the signal sequence The number of signals corresponding to the signal sequence.
  • the time domain unit is at least one time unit for mapping a signal sequence.
  • the time unit is a basic unit for signal mapping, and each time unit is used to map a signal.
  • the time unit is configured as a symbol. Since the time domain unit is at least one time unit, each time domain unit is used to map at least one signal.
  • the time domain unit is at least one of a first time domain unit and a second time domain unit, each second time domain unit includes at least two first time domain units, and each first time domain unit is used to map a signal.
  • the number of time domain units corresponding to a group of time-frequency resources includes at least one of the following: the number of first time domain units corresponding to a group of time-frequency resources; the number of second time domain units corresponding to a group of time-frequency resources.
  • the first time domain unit is configured as a symbol
  • the second time domain unit is configured as a time slot.
  • the number of first time domain units corresponding to a group of time-frequency resources refers to the number of symbols corresponding to a group of time-frequency resources, and a group of time-frequency resources corresponds to at least two symbols.
  • the number of second time domain units corresponding to a group of time-frequency resources refers to the number of time slots corresponding to a group of time-frequency resources, and a group of time-frequency resources corresponds to at least one time slot.
  • the length of a time domain unit corresponding to a group of time-frequency resources includes at least one of the following: the length of a first time domain unit corresponding to a group of time-frequency resources; the length of a second time domain unit corresponding to a group of time-frequency resources.
  • the first time domain unit is configured as a symbol
  • the second time domain unit is configured as a time slot.
  • the length of the first time domain unit corresponding to a group of time-frequency resources refers to the length of the symbol corresponding to a group of time-frequency resources.
  • the length of the second time domain unit corresponding to a group of time-frequency resources refers to the length of the time slot corresponding to a group of time-frequency resources, and a time slot includes at least two symbols.
  • the time interval between time domain units corresponding to a group of time-frequency resources includes at least one of the following: the time interval between first time domain units corresponding to a group of time-frequency resources; the time interval between second time domain units corresponding to a group of time-frequency resources.
  • the first time domain unit is configured as a symbol
  • the second time domain unit is configured as a time slot.
  • the time interval between the first time domain units corresponding to a group of time-frequency resources refers to the time interval between adjacent symbols corresponding to a group of time-frequency resources.
  • the time interval between adjacent symbols is configured as 0 or default.
  • the time interval between any two adjacent symbols is the same.
  • the first time domain unit is configured as a symbol
  • the second time domain unit is configured as a time slot.
  • the time interval between the second time domain units corresponding to a group of time-frequency resources refers to the time interval between adjacent time slots corresponding to a group of time-frequency resources.
  • the time interval between adjacent time slots is configured as 0 or default, or the time interval between any two adjacent time slots is the same, or there is a time interval between at least a part of adjacent time slots, which is different from the time interval between other adjacent time slots.
  • the time domain mapping method of at least two signals includes at least one of the following: mapping on at least two consecutive first time domain units; mapping within at least two consecutive second time domain units; mapping on at least two spaced first time domain units; mapping within at least two spaced second time domain units; mapping within a second time domain unit.
  • the interval includes at least one of equal intervals or unequal intervals.
  • Mapping on at least two first time domain units of the interval includes at least one of mapping on at least two first time domain units of equal intervals and mapping on at least two first time domain units of unequal intervals.
  • Mapping within at least two second time domain units of the interval includes at least one of mapping within at least two second time domain units of equal intervals and mapping within at least two second time domain units of unequal intervals.
  • the first time domain unit is configured as a symbol
  • the second time domain unit is configured as a time slot. Then, at least two signals can be mapped on at least two consecutive symbols, or, mapped in at least two consecutive time slots, or, mapped on at least two interval symbols, or, mapped in at least two interval time slots, or, mapped in one time slot.
  • mapping within a second time domain unit includes at least one of the following: mapping on at least two consecutive first time domain units within a second time domain unit; mapping on at least two spaced first time domain units within a second time domain unit.
  • mapping within at least two second time domain units of the interval includes at least one of the following: mapping on at least two consecutive first time domain units within any second time domain unit of the interval; mapping on at least two first time domain units of the interval within any second time domain unit of the interval.
  • the specific description of the time domain mapping method of at least two signals in the above embodiment can refer to the time domain mapping method of at least two signals in the first configuration information, which will not be repeated here.
  • the specific content of the second configuration information needs to be determined according to actual technical needs.
  • the number, length, time interval, time domain mapping method of at least two signals of the time domain units can be flexibly configured according to actual technical needs, so as to adapt to different perception measurement accuracy requirements.
  • the number and time interval of the time domain units will have a direct impact on the measurement accuracy and range of speed and Doppler shift.
  • the autocorrelation characteristics of the signal sequence on each subcarrier can be guaranteed.
  • the signal mapping of this embodiment adopts the time domain priority principle.
  • a frequency domain position is first fixed to map different time domain positions. After the time domain position is full, the next frequency domain position is mapped.
  • the frequency domain position corresponding to a group of time-frequency resources is configured by third configuration information.
  • the third configuration information is used to configure at least one of the following information: frequency domain resource unit; frequency domain resource starting position; frequency domain resource range; frequency domain mapping method of at least two signals.
  • the frequency domain resource unit includes at least one of the following: a subcarrier; a resource block; a resource element.
  • the starting position of the frequency domain resource is represented by at least one of the following information: the index of the starting resource block; the index of the starting subcarrier occupied by the signal sequence in the starting resource block; the index of the starting resource element occupied by the signal sequence in the starting resource block.
  • the starting resource block refers to the resource block corresponding to the starting position of the frequency domain resource.
  • the resource block includes multiple resource elements, and the starting resource element is the resource element corresponding to the starting position of the frequency domain resource in the starting resource block.
  • the starting subcarrier is the subcarrier corresponding to the starting position of the frequency domain resource in the starting resource block.
  • the frequency domain resource range is determined based on at least one of the following information: the number of subcarriers; the number of resource blocks; the number of resource elements.
  • the frequency domain mapping method includes at least one of the following: mapping on continuous frequency domain resource units; mapping on spaced frequency domain resource units.
  • the specific description of the frequency domain mapping method of at least two signals in the above embodiment can refer to the frequency domain mapping method of at least two signals in the first configuration information, and will not be repeated here.
  • the number of subcarriers, resource blocks, and resource elements can be flexibly configured.
  • signal resource overhead can be saved.
  • a measurement result can be obtained for the signal sequence corresponding to each subcarrier.
  • the first configuration information, the second configuration information, and the third configuration information may be used independently or in combination.
  • the network device may configure only the first configuration information, or only the second configuration information, or only the third configuration information.
  • the network device may configure the first configuration information and the second configuration information at the same time, or the first configuration information and the third configuration information at the same time, or the second configuration information and the third configuration information at the same time, or the first configuration information, the second configuration information, and the third configuration information at the same time.
  • different groups of signals are sent in different groups of time-frequency resources, and each group of signals includes at least two signals.
  • different groups of time-frequency resources correspond to the same time domain positions and different frequency domain positions, or, different groups of time-frequency resources correspond to different time domain positions and the same frequency domain positions, or, different groups of time-frequency resources correspond to different time domain positions and different frequency domain positions.
  • each group of time-frequency resources in different groups of time-frequency resources may be continuous in the time domain, or may be spaced in the time domain. Or, at least a portion of the time-frequency resources in different groups of time-frequency resources are continuous in the time domain, and other groups of time-frequency resources are spaced in the time domain.
  • the intervals include at least one of equal intervals or non-equal intervals.
  • each group of time-frequency resources in the two groups of time-frequency resources is continuous in the time domain, or, both are intermittent in the time domain, or, one group of time-frequency resources is continuous in the time domain, and the other group of time-frequency resources is intermittent in the time domain.
  • FIG. 22 shows a schematic diagram of different groups of time-frequency resources provided by an exemplary embodiment of the present application.
  • the horizontal axis of FIG. 22 represents time (time domain), and the vertical axis represents frequency (frequency domain).
  • the physical resource corresponding to one subcarrier in the frequency domain and one symbol in the time domain is called one resource element (RE).
  • the physical resource corresponding to 12 consecutive subcarriers in the frequency domain and one time slot in the time domain is called one resource block (RB), and one time slot includes 7 symbols.
  • RB resource block
  • FIG. 22 shows a group of time-frequency resources 151 and a group of time-frequency resources 152, wherein the group of time-frequency resources 151 includes 7 time-domain continuous time-frequency resources, and the group of time-frequency resources 152 includes 7 time-domain continuous time-frequency resources, and the time domain positions corresponding to the group of time-frequency resources 151 and the group of time-frequency resources 152 are the same and the frequency domain positions are different.
  • (2) in Figure 22 shows a group of time-frequency resources 153 and a group of time-frequency resources 154, wherein the group of time-frequency resources 153 includes 7 time-frequency resources that are continuous in the time domain, and the group of time-frequency resources 154 includes 7 time-frequency resources that are continuous in the time domain.
  • the time domain positions corresponding to the group of time-frequency resources 153 and the group of time-frequency resources 154 are different, but the frequency domain positions are the same.
  • FIG23 shows a schematic diagram of different groups of time-frequency resources provided by an exemplary embodiment of the present application.
  • the horizontal axis of FIG23 represents time (time domain), and the vertical axis represents frequency (frequency domain).
  • the physical resource corresponding to one subcarrier (Subcarrier) in the frequency domain and one symbol (Symbol) in the time domain is called one resource element (Resource Element, RE).
  • the physical resource corresponding to 12 consecutive subcarriers in the frequency domain and one time slot (slot) in the time domain is called one resource block (Resource Block, RB), and one time slot includes 7 symbols.
  • Resource Block Resource Block
  • FIG23 shows a group of time-frequency resources 161 and a group of time-frequency resources 162.
  • the group of time-frequency resources Source 161 includes 7 time-domain continuous time-frequency resources
  • the group of time-frequency resources 162 includes 4 time-domain equally spaced time-frequency resources
  • the time interval is 1
  • the time-domain positions corresponding to the group of time-frequency resources 161 and the group of time-frequency resources 162 are the same, but the frequency-domain positions are different.
  • the group of time-frequency resources 163 includes 7 time-domain continuous time-frequency resources
  • the group of time-frequency resources 164 includes 4 time-domain equally spaced time-frequency resources
  • the time interval is 1
  • the time-domain positions corresponding to the group of time-frequency resources 163 and the group of time-frequency resources 164 are different, but the frequency-domain positions are the same.
  • different groups of signals are generated based on the same signal sequence, and the different groups of signals sent in different groups of time-frequency resources are signals corresponding to the same signal sequence.
  • different groups of signals are generated based on different signal sequences, and the different groups of signals sent in different groups of time-frequency resources are signals corresponding to different signal sequences.
  • the initial factor is used to determine the signal sequence, wherein one initial factor corresponds to one signal sequence.
  • the initial factor used to determine the signal sequence is determined based on at least one of the time domain position of a specified time-frequency resource in a group of time-frequency resources, the frequency domain position of a specified time-frequency resource in a group of time-frequency resources, and a node identifier; wherein the node identifier is used to identify a signal sending end device or to identify a signal receiving end device, and the signal receiving end device is used to receive at least two signals.
  • the designated time-frequency resources include at least one of the following: the time-frequency resource with the earliest time domain position in a group of time-frequency resources; the time-frequency resource with a middle time domain position in a group of time-frequency resources; the time-frequency resource with the latest time domain position in a group of time-frequency resources; the time-frequency resource with the lowest frequency domain position in a group of time-frequency resources; the time-frequency resource with a middle frequency domain position in a group of time-frequency resources; and the time-frequency resource with the highest frequency domain position in a group of time-frequency resources.
  • the designated time-frequency resource is the time-frequency resource with the earliest time domain position in a group of time-frequency resources, and the time-frequency resource with the earliest time domain position may also be the time-frequency resource occupied by the first signal corresponding to the signal sequence.
  • the time-frequency resource with the earliest time domain position in a group of time-frequency resources 141 is the time-frequency resource occupied by signal 1 (s1).
  • the designated time-frequency resource is the time-frequency resource with the latest time domain position in a group of time-frequency resources, and the time-frequency resource with the latest time domain position may also be the time-frequency resource occupied by the last signal corresponding to the signal sequence.
  • the time-frequency resource with the latest time domain position in a group of time-frequency resources 141 is the time-frequency resource occupied by signal 7 (s7).
  • the designated time-frequency resource is the time-frequency resource with the middle time domain position in a group of time-frequency resources, and may also be any time-frequency resource in a group of time-frequency resources except the time-frequency resource with the earliest time domain position and the latest time domain position, and may also be any time-frequency resource except the time-frequency resources occupied by the first signal and the last signal respectively.
  • the time-frequency resource in the center of the time domain in a group of time-frequency resources 141 is the time-frequency resource occupied by signal 2 (s2), signal 3 (s3), signal 4 (s4), signal 5 (s5) or signal 6 (s6).
  • the designated time-frequency resource is the time-frequency resource with the lowest frequency domain position in a group of time-frequency resources.
  • the time-frequency resource with the lowest frequency domain position in a group of time-frequency resources 155 is the time-frequency resource occupied by signal 8 (s8) or signal 9 (s9) or signal 10 (s10) or signal 11 (s11) or signal 12 (s12) or signal 13 (s13) or signal 14 (s14).
  • the designated time-frequency resource is the time-frequency resource with the highest frequency domain position in a group of time-frequency resources.
  • the time-frequency resource with the highest frequency domain position in a group of time-frequency resources 155 is the time-frequency resource occupied by signal 1 (s1) or signal 2 (s2) or signal 3 (s3) or signal 4 (s4) or signal 5 (s5) or signal 6 (s6) or signal 7 (s7).
  • the designated time-frequency resource is a time-frequency resource with a central frequency domain position in a group of time-frequency resources, or may be any time-frequency resource in a group of time-frequency resources except the time-frequency resource with the lowest frequency domain position and the highest frequency domain position.
  • the time domain position of a specified time-frequency resource is represented by at least one of the following indexes: an index of a time slot where the specified time-frequency resource is located; an index of a frame where the specified time-frequency resource is located; an index of a sub-frame where the specified time-frequency resource is located; an index of a starting symbol of the time slot; an index of a symbol of the specified time-frequency resource in the time slot.
  • the index of the starting symbol of the time slot of the specified time-frequency resource can be 0.
  • the frequency domain position of the specified time-frequency resource is represented by at least one of the following indexes: the index of the subcarrier where the specified time-frequency resource is located; the index of the resource block where the specified time-frequency resource is located; the index of the bandwidth part (Bandwidth Part, BWP) where the specified time-frequency resource is located; the index of the carrier (Carrier) where the specified time-frequency resource is located.
  • the index may be replaced by at least one of the following: a sequence number, an identifier, or a character.
  • the initial factor for determining the signal sequence is determined based on the time domain position of a specified time-frequency resource in a group of time-frequency resources. This embodiment is applicable to the case where a group of time-frequency resources exists in the same transmission opportunity or time window, and the group of time-frequency resources sends at least two signals corresponding to the same signal sequence.
  • the initial factor for determining the signal sequence is determined based on the time domain position and node identifier of a specified time-frequency resource in a group of time-frequency resources; wherein the node identifier is used to identify a signal transmitting end device or to identify a signal receiving end device, and the signal receiving end device is used to receive at least two signals.
  • This embodiment is applicable to the case where a group of time-frequency resources exists in the same transmission opportunity or time window, and a group of time-frequency resources sends at least two signals corresponding to the same signal sequence, and the specific node type also needs to be determined.
  • the initial factor for generating the signal sequence is determined according to the node identifier TX_id of the signal transmitting end device and the time domain position (n_slot,l) of the time-frequency resource occupied by the first signal corresponding to the signal sequence.
  • the calculation expression is:
  • a and B are agreed constants (integers greater than 0), is the number of symbols in a time slot, n_slot is the time slot index in the wireless frame where the first signal is located, l is the symbol index where the first signal is located, and TX_id is the node identifier of the signal transmitting device.
  • the initial factor for generating the signal sequence is determined according to the node identifier RX_id of the signal receiving end device and the time domain position (n_slot,l) of the time-frequency resource occupied by the first signal corresponding to the signal sequence.
  • the calculation expression is:
  • a and B are agreed constants (integers greater than 0), is the number of symbols in 1 time slot, n_slot is the time slot index in the wireless frame where the first signal is located, l is the symbol index where the first signal is located, and RX_id is the node identifier of the signal receiving device.
  • n_slot is the time slot index in the wireless frame where the first signal is located
  • l is the symbol index where the first signal is located
  • RX_id is the node identifier of the signal receiving device.
  • n_slot can be the index of the time slot where the actual symbol is located, or the index of the first time slot in the time window, or the index of the first time slot in the transmission opportunity, or the index of the first time slot in the cycle.
  • the initial factor used to determine the signal sequence is determined based on the time domain position of a specified time-frequency resource in a group of time-frequency resources and the frequency domain position of a specified time-frequency resource in a group of time-frequency resources.
  • This embodiment is applicable to the case where different groups of time-frequency resources exist in the same transmission opportunity or time window, and at least two signals corresponding to different signal sequences are sent on different groups of time-frequency resources. For example, as shown in (1) in FIG. 22 , there are a group of time-frequency resources 151 and a group of time-frequency resources 152 in the same transmission opportunity or time window. Since at least two signals are sent on different groups of time-frequency resources, and at least two signals are generated based on different signal sequences, in (1) in FIG.
  • This embodiment is also applicable to the case where different groups of time-frequency resources exist in the same transmission opportunity or time window, and at least two signals corresponding to the same signal sequence are sent on different groups of time-frequency resources. For example, as shown in (1) in FIG. 22 , there are a group of time-frequency resources 151 and a group of time-frequency resources 152 in the same transmission opportunity or time window. Since at least two signals are sent on different groups of time-frequency resources, and at least two signals are generated based on the same signal sequence, in (1) in FIG.
  • this embodiment needs to determine the initial factors corresponding to at least two signals based on the time domain position of the specified time-frequency resource in a group of time-frequency resources and the frequency domain position of the specified time-frequency resource in a group of time-frequency resources. Thereby, at least two signals corresponding to the same signal sequence are sent on different groups of time-frequency resources.
  • This embodiment is also applicable to the case where a group of time-frequency resources corresponds to at least one frequency domain position in the same transmission opportunity or time window.
  • a group of time-frequency resources corresponds to only one frequency domain position
  • the signal sequences sent by different groups of time-frequency resources can be orthogonal, ensuring the autocorrelation characteristics of the signal sequences sent by different groups of time-frequency resources.
  • a group of time-frequency resources corresponds to at least two frequency domain positions, for example, as shown in (2) in Figure 22, in the same transmission opportunity or time window, a group of time-frequency resources 155 corresponds to two frequency domain positions.
  • At least two signals are sent on the group of time-frequency resources 155, at least two signals are generated based on the same signal sequence, and a group of time-frequency resources 155 corresponds to two frequency domain positions, if the frequency domain position of the specified time-frequency resources is not used, two initial factors may be determined, and the two initial factors correspond to two signal sequences. Therefore, this embodiment needs to determine the initial factors corresponding to at least two signals based on the time domain position of the specified time-frequency resources in a group of time-frequency resources and the frequency domain position of the specified time-frequency resources in a group of time-frequency resources. This ensures that the signal sequence sent on a set of time-frequency resources is unique.
  • the initial factor used to determine the signal sequence is determined based on the time domain position of a specified time-frequency resource in a group of time-frequency resources, the frequency domain position of a specified time-frequency resource in a group of time-frequency resources, and a node identifier.
  • the initial factor for generating the signal sequence is determined according to the node identifier TX_id of the signal transmitting end device, the time domain position (n_slot,l) and the frequency domain position of the time-frequency resource occupied by the first signal corresponding to the signal sequence.
  • the calculation expression is:
  • a and B are agreed constants (integers greater than 0), is the number of symbols in 1 time slot, n_slot is the time slot index in the wireless frame where the first signal is located, l is the symbol index where the first signal is located, k is the index of the subcarrier where the first signal is located, and TX_id is the node identifier of the signal transmitting end device. It should be noted that the above calculation expression is only used as an example.
  • the initial factor for generating the signal sequence is determined according to the node identifier RX_id of the signal receiving device, the time domain position (n_slot,l) and the frequency domain position of the time-frequency resource occupied by the first signal corresponding to the signal sequence.
  • the calculation expression is:
  • a and B are agreed constants (integers greater than 0), is the number of symbols in 1 time slot, n_slot is the time slot index in the wireless frame where the first signal is located, l is the symbol index where the first signal is located, k is the index of the subcarrier where the first signal is located, and RX_id is the node identifier of the signal receiving device. It should be noted that the above calculation expression is only used as an example.
  • n_slot can be the index of the time slot where the actual symbol is located, or the index of the first time slot in the time window, or the index of the first time slot in the transmission opportunity, or the index of the first time slot in the cycle.
  • k is the index of the subcarrier where the first signal is located, or the index of the resource block where it is located, or the index of the bandwidth part where it is located, or the index of the carrier where it is located.
  • This embodiment is applicable to the situation where there are different groups of time-frequency resources in the same transmission opportunity or time window, at least two signals sent by different groups of time-frequency resources are generated based on the same signal sequence, or based on different signal sequences, and it is also necessary to determine the specific node type, wherein the node type can be determined by the node identifier whether it is a signal sending end device or a signal receiving end device.
  • FIG24 shows a block diagram of a signal sending device provided by an exemplary embodiment of the present application, which can be implemented as a signal sending terminal device, or implemented as a part of a signal sending terminal device.
  • the device includes all or part of a sending module 410, a receiving module 420 and a processing module 430.
  • the sending module 410 is used to send at least two signals, where the at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, and the time domain positions corresponding to the at least two time-frequency resources are different; wherein the at least two signals are generated based on the same signal sequence.
  • the sending module 410 in the embodiment of the present application is used to send at least two signals, at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, at least two time-frequency resources correspond to different time domain positions, and at least two signals are generated based on the same signal sequence. Since the signals corresponding to the same signal sequence have autocorrelation characteristics, the autocorrelation characteristics of at least two signals transmitted on different time-frequency resources can be guaranteed, thereby improving the perception performance, which is beneficial to perception measurement and perception target detection.
  • the signals used for measurement or detection are mostly reflected signals. Due to the influence of the signal transmission environment, the reflected signals of signals sent in different time windows or different transmission opportunities may be superimposed in time. At this time, the autocorrelation characteristics of the signal sequence can be used to distinguish the received signal sequence, so that the communication system can be adapted to complex transmission environments.
  • the sending module 410 is also used to send different groups of signals in different groups of time-frequency resources, and each group of signals includes at least two signals; wherein the time domain positions corresponding to different groups of time-frequency resources are the same and the frequency domain positions are different, or the time domain positions corresponding to different groups of time-frequency resources are different and the frequency domain positions are the same, or the time domain positions corresponding to different groups of time-frequency resources are different and the frequency domain positions are different; the signals of different groups are generated based on the same signal sequence, or the signals of different groups are generated based on different signal sequences.
  • the sending module 410 in the embodiment of the present application is used to send different groups of signals in different groups of time-frequency resources, each group of signals includes at least two signals, and the signals of different groups are generated based on the same signal sequence, or the signals of different groups are generated based on different signal sequences.
  • the signals of different groups are generated based on the same signal sequence, the autocorrelation characteristics of the signals of different groups can be guaranteed, the perception performance is improved, and it is beneficial to the perception measurement and perception target detection; when the signals of different groups are generated based on different signal sequences, it is possible to send signals corresponding to different signal sequences, thereby improving the signal transmission efficiency.
  • the device may further optionally include a receiving module 420, configured to receive at least one of the following configuration information: first configuration information; second configuration information; and third configuration information.
  • the first configuration information is used for transmission opportunity and/or time window configuration
  • the second configuration information is used for time domain resource configuration of a group of time-frequency resources
  • the third configuration information is used for frequency domain resource configuration of a group of time-frequency resources.
  • the receiving module 420 in the embodiment of the present application is used to send at least two signals at different time domain positions corresponding to a group of time-frequency resources based on at least one of the first configuration information, the second configuration information and the third configuration information. Since at least two signals are generated based on the same signal sequence, the autocorrelation characteristics of at least two signals can be guaranteed, thereby improving the perception performance, which is beneficial to perception measurement and perception target detection.
  • the sending module 410 may include one or more modules for performing the sending step simultaneously or separately, and the receiving module 420 may include one or more modules for performing the receiving step simultaneously or separately.
  • the device may also optionally include a processing module 430, which may include one or more modules for cooperating with the sending module 410 or the receiving module 420 to perform corresponding processing.
  • the signal sending device provided in the above embodiment is only illustrated by the division of the above functional modules.
  • the above functions can be assigned to different functional modules as needed, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above.
  • the specific manner in which each module performs the operation has been described in detail in the embodiment of the relevant signal sending method. For details, please refer to the above chapters: "1. Signal; 2. Signal sequence; 3. A group of time-frequency resources; 4. Multiple groups of time-frequency resources; 5. Initial factors". The relevant records will not be elaborated here.
  • FIG25 shows a block diagram of a signal receiving device provided by an exemplary embodiment of the present application.
  • the signal sending device can be implemented as a signal receiving end device, or implemented as a part of a signal receiving end device.
  • the device includes a receiving module 510, a sending module 520 and a processing module 530. All or part of block 530.
  • the receiving module 510 is used to receive at least two signals, where the at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, and the time domain positions corresponding to the at least two time-frequency resources are different; wherein the at least two signals are generated based on the same signal sequence.
  • the receiving module 510 in the embodiment of the present application is used to receive at least two signals, at least two signals occupy at least two time-frequency resources in a group of time-frequency resources, at least two time-frequency resources correspond to different time domain positions, and at least two signals are generated based on the same signal sequence. Since the signals corresponding to the same signal sequence have autocorrelation characteristics, the autocorrelation characteristics of at least two signals transmitted on different time-frequency resources can be guaranteed, thereby improving the perception performance, which is beneficial to perception measurement and perception target detection.
  • the signals used for measurement or detection are mostly reflected signals. Due to the influence of the signal transmission environment, the reflected signals of signals received in different time windows or different transmission opportunities may be superimposed in time. At this time, the autocorrelation characteristics of the signal sequence can be used to distinguish the received signal sequence, so that the communication system can be adapted to complex transmission environments.
  • the receiving module 510 is also used to receive different groups of signals in different groups of time-frequency resources, each group of signals including at least two signals; wherein the time domain positions corresponding to different groups of time-frequency resources are the same and the frequency domain positions are different, or the time domain positions corresponding to different groups of time-frequency resources are different and the frequency domain positions are the same, or the time domain positions corresponding to different groups of time-frequency resources are different and the frequency domain positions are different; the signals of different groups are generated based on the same signal sequence, or the signals of different groups are generated based on different signal sequences.
  • the receiving module 510 in the embodiment of the present application is used to receive different groups of signals in different groups of time-frequency resources, each group of signals includes at least two signals, and the signals of different groups are generated based on the same signal sequence, or the signals of different groups are generated based on different signal sequences.
  • the signals of different groups are generated based on the same signal sequence, the autocorrelation characteristics of the signals of different groups can be guaranteed, the perception performance is improved, and it is beneficial to the perception measurement and perception target detection; when the signals of different groups are generated based on different signal sequences, it is possible to receive signals corresponding to different signal sequences, thereby improving the signal reception efficiency.
  • the receiving module 510 is further used to receive at least one of the following configuration information: first configuration information; second configuration information; third configuration information.
  • the device may further optionally include a sending module 520, which sends at least one of the following configuration information: first configuration information; second configuration information; third configuration information.
  • the first configuration information is used for transmission opportunity and/or time window configuration
  • the second configuration information is used for time domain resource configuration of a group of time-frequency resources
  • the third configuration information is used for frequency domain resource configuration of a group of time-frequency resources.
  • the receiving module 510 or the sending module 520 in the embodiment of the present application is used to receive at least two signals at different time domain positions corresponding to a group of time-frequency resources based on at least one of the first configuration information, the second configuration information, and the third configuration information. Since at least two signals are generated based on the same signal sequence, the autocorrelation characteristics of at least two signals can be guaranteed, thereby improving the perception performance, which is beneficial to perception measurement and perception target detection.
  • the receiving module 510 may include one or more modules for performing the receiving step simultaneously or separately, and the sending module 520 may include one or more modules for performing the receiving step simultaneously or separately.
  • the device may also optionally include a processing module 530, which may include one or more modules for cooperating with the receiving module 510 or the sending module 520 to perform corresponding processing.
  • the signal receiving device provided in the above embodiment is only illustrated by the division of the above functional modules.
  • the above functions can be assigned to different functional modules as needed, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above.
  • the specific manner in which each module performs the operation has been described in detail in the embodiment of the relevant signal receiving method. For details, please refer to the above chapters: "1. Signal; 2. Signal sequence; 3. A group of time-frequency resources; 4. Multiple groups of time-frequency resources; 5. Initial factors". The relevant records will not be elaborated here.
  • FIG. 26 shows a structural block diagram of a communication device provided by some exemplary embodiments of the present application.
  • the communication device 600 includes: a processor 601 , a receiver 602 , a transmitter 603 , a memory 604 and a bus 605 .
  • the communication device 600 may be implemented as a terminal device, a signal transmitting terminal device, or a part of a signal transmitting terminal device, or a signal receiving terminal device, or a part of a signal receiving terminal device.
  • the communication device 600 may be implemented as a network device, which may be implemented as a signal transmitting end device, or a part of a signal transmitting end device, or a signal receiving end device, or a part of a signal receiving end device.
  • the processor 601 includes one or more processing cores, and the processor 601 executes various functional applications and information processing by running software programs and modules. In some embodiments, the processor 601 can be used to cooperate with the above-mentioned sending module 410, receiving module 420, receiving module 510, and sending module 520 to implement corresponding functions and perform corresponding steps.
  • the receiver 602 and the transmitter 603 can be implemented as a communication component, which can be a communication chip.
  • the receiver 602 can be used to implement the functions and steps of the above-mentioned receiving module 420 or receiving module 510.
  • the transmitter 603 can be used to implement the functions and steps of the above-mentioned sending module 410 or sending module 520.
  • the memory 604 is connected to the processor 601 via a bus 605.
  • the memory 604 can be used to store at least one instruction, and the processor 601 is used to execute the at least one instruction to implement the functions and steps of the above-mentioned processing module 430 or processing module 530.
  • the memory 604 can be implemented by any type of volatile or non-volatile storage device or a combination thereof.
  • the volatile or non-volatile storage device includes but is not limited to: a magnetic disk or optical disk, an electrically erasable programmable read-only memory (EEPROM), an erasable programmable read-only memory (EPROM), a static random-access memory (SRAM), a read-only memory Read-Only Memory (ROM), magnetic memory, flash memory, programmable read-only memory (PROM).
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable programmable read-only memory
  • SRAM static random-access memory
  • ROM read-only memory Read-Only Memory
  • magnetic memory magnetic memory
  • flash memory programmable read-only memory
  • the receiver 602 receives signals/data independently, or the processor 601 controls the receiver 602 to receive signals/data, or the processor 601 requests the receiver 602 to receive signals/data, or the processor 601 cooperates with the receiver 602 to receive signals/data.
  • the transmitter 603 sends signals/data independently, or the processor 601 controls the transmitter 603 to send signals/data, or the processor 601 requests the transmitter 603 to send signals/data, or the processor 601 cooperates with the transmitter 603 to send signals/data.
  • a computer-readable storage medium in which at least one program is stored, and the at least one program is loaded and executed by a processor to implement the signal sending method and/or signal receiving method provided by the above-mentioned method embodiments.
  • a chip is also provided, which includes a programmable logic circuit and/or program instructions.
  • the chip runs on a communication device, it is used to implement the signal sending method and/or signal receiving method provided by the above-mentioned various method embodiments.
  • a computer program product is also provided.
  • the computer program product is executed on a processor of a computer device, the computer device executes the above-mentioned signal sending method and/or signal receiving method.
  • a computer program is also provided.
  • the computer program includes computer instructions.
  • a processor of a computer device executes the computer instructions, so that the computer device executes the above-mentioned signal sending method and/or signal receiving method.
  • Computer-readable media include computer storage media and communication media, wherein the communication media include any media that facilitates the transmission of a computer program from one place to another.
  • Storage media is any available medium that a general or special-purpose computer can access.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande se rapporte au domaine des communications, et concerne un procédé et un appareil d'envoi de signal, un procédé et un appareil de réception de signal, un dispositif, et un support. Le procédé d'envoi de signal est appliqué à un dispositif émetteur de signal, et comprend : l'envoi d'au moins deux signaux, lesdits au moins deux signaux occupant au moins deux ressources temps-fréquence parmi un groupe de ressources temps-fréquence, les positions dans le domaine temporel correspondant auxdites au moins deux ressources temps-fréquence étant différentes, et lesdits au moins deux signaux étant générés sur la base d'une séquence de signal identique. Le procédé peut garantir les caractéristiques d'autocorrélation d'au moins deux signaux envoyés à différentes positions dans le domaine temporel, ce qui permet d'améliorer les performances de perception.
PCT/CN2023/136545 2023-12-05 2023-12-05 Procédé et appareil d'envoi de signal, procédé et appareil de réception de signal, dispositif, et support Pending WO2025118153A1 (fr)

Priority Applications (1)

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PCT/CN2023/136545 WO2025118153A1 (fr) 2023-12-05 2023-12-05 Procédé et appareil d'envoi de signal, procédé et appareil de réception de signal, dispositif, et support

Applications Claiming Priority (1)

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PCT/CN2023/136545 WO2025118153A1 (fr) 2023-12-05 2023-12-05 Procédé et appareil d'envoi de signal, procédé et appareil de réception de signal, dispositif, et support

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109802792A (zh) * 2017-11-17 2019-05-24 华为技术有限公司 接收参考信号的方法和发送参考信号的方法
CN115118402A (zh) * 2021-03-19 2022-09-27 华为技术有限公司 一种通信方法及通信装置
WO2023000196A1 (fr) * 2021-07-21 2023-01-26 Oppo广东移动通信有限公司 Appareil et procédé de traitement de signal, dispositif et support de stockage
CN115802399A (zh) * 2021-09-10 2023-03-14 华为技术有限公司 一种通信方法及装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109802792A (zh) * 2017-11-17 2019-05-24 华为技术有限公司 接收参考信号的方法和发送参考信号的方法
CN115118402A (zh) * 2021-03-19 2022-09-27 华为技术有限公司 一种通信方法及通信装置
WO2023000196A1 (fr) * 2021-07-21 2023-01-26 Oppo广东移动通信有限公司 Appareil et procédé de traitement de signal, dispositif et support de stockage
CN115802399A (zh) * 2021-09-10 2023-03-14 华为技术有限公司 一种通信方法及装置

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