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WO2022104745A1 - Procédé de communication et appareil de communication et support de stockage - Google Patents

Procédé de communication et appareil de communication et support de stockage Download PDF

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Publication number
WO2022104745A1
WO2022104745A1 PCT/CN2020/130630 CN2020130630W WO2022104745A1 WO 2022104745 A1 WO2022104745 A1 WO 2022104745A1 CN 2020130630 W CN2020130630 W CN 2020130630W WO 2022104745 A1 WO2022104745 A1 WO 2022104745A1
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WIPO (PCT)
Prior art keywords
access mechanism
channel access
channel
lbt
energy detection
Prior art date
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Ceased
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PCT/CN2020/130630
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English (en)
Chinese (zh)
Inventor
付婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to CN202080003604.5A priority Critical patent/CN114830795A/zh
Priority to PCT/CN2020/130630 priority patent/WO2022104745A1/fr
Publication of WO2022104745A1 publication Critical patent/WO2022104745A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/02—Hybrid access

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a communication method, a communication device, and a storage medium.
  • the transmitter In the unlicensed spectrum (New Radio-Unlicensed, NR-U), the transmitter generally needs to perform clear channel assessment (CCA) before sending data. If the interference level in the channel is estimated to be lower than the detection threshold (the detection threshold is specified by the communication protocol) according to the CCA detection result, it is determined that the channel is idle, and the transmitter can occupy the channel to send data.
  • the maximum channel occupy time (MCOT) of the channel occupied by the transmitter is specified by the protocol or configured/instructed by the base station. If the interference level in the channel is estimated to be higher than the detection threshold according to the CCA detection result, the transmitter determines that the channel is busy, and the transmitter cannot occupy the channel to send data.
  • the above process of performing channel access and sending data may be referred to as using the channel access mechanism of listen before talk (LBT) to send data.
  • LBT listen before talk
  • the present disclosure provides a communication method, a communication device and a storage medium.
  • a communication method including:
  • the first channel access mechanism is a listen-before-talk LBT channel access mechanism
  • the second channel access mechanism is a no-listen-before-talk no-LBT channel access mechanism.
  • the communication method further includes: performing a first number of listen-before-talk LBT channel energy detection before access; the channel detection result satisfies a first condition, including: a first number of listen-before-talk The average value of the energy detection results before LBT channel access is less than or equal to the first energy detection threshold.
  • the first channel access mechanism is a no-LBT channel access mechanism without listening-before-talk
  • the second channel access mechanism is a listen-before-talk LBT channel access mechanism.
  • the communication method further includes: performing periodic channel energy detection with a first cycle duration; the channel detection results satisfying the first condition include: a second number of periodic channel energy detection results, greater than the first 2. Energy detection threshold value.
  • the first channel access mechanism is a default channel access mechanism.
  • the default channel access mechanism is agreed by a protocol or configured by a network device.
  • a communication device including:
  • the processing unit is configured to determine the currently adopted first channel access mechanism, and in response to the channel detection result satisfying the first condition, switch from the first channel access mechanism to the second channel access mechanism.
  • the first channel access mechanism is a listen-before-talk LBT channel access mechanism
  • the second channel access mechanism is a no-listen-before-talk no-LBT channel access mechanism.
  • the processing unit is further configured to: perform a first number of listen-before-talk LBT channel energy detection before access; the channel detection result satisfies a first condition, including: a first number of listen-before-talk The mean value of the energy detection result before the access of the LBT channel is said later is less than or equal to the first energy detection threshold value.
  • the first channel access mechanism is a no-LBT channel access mechanism without listening-before-talk
  • the second channel access mechanism is a listen-before-talk LBT channel access mechanism.
  • the processing unit is further configured to: perform periodic channel energy detection with a first cycle duration; the channel detection results satisfy the first condition, including: a second number of periodic channel energy detection results, greater than the second energy detection threshold.
  • the first channel access mechanism is a default channel access mechanism.
  • the default channel access mechanism is agreed by a protocol or configured by a network device.
  • a communication device including:
  • processor ; memory for storing processor-executable instructions;
  • the processor is configured to: execute the first aspect or the communication method described in any implementation manner of the first aspect.
  • a non-transitory computer-readable storage medium when an instruction in the storage medium is executed by a processor of a mobile terminal or a network device, the mobile terminal or the network device can execute the first The communication method described in one aspect or any one of the implementation manners of the first aspect.
  • the technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: when the channel detection result satisfies the first condition, the currently adopted first channel access mechanism is switched to the second channel access mechanism, so as to realize the unlicensed frequency spectrum. Channel access mechanism switching to effectively avoid interference and improve transmission efficiency.
  • Fig. 1 is an architecture diagram of a communication system according to an exemplary embodiment.
  • Fig. 2 is a flow chart of a communication method according to an exemplary embodiment.
  • Fig. 3 is a block diagram of a communication apparatus according to an exemplary embodiment.
  • Fig. 4 is a block diagram of an apparatus for communication according to an exemplary embodiment.
  • Fig. 5 is a block diagram of an apparatus for communication according to an exemplary embodiment.
  • the wireless communication system includes a terminal and a network device. Information is sent and received between the terminal and the network device through wireless resources.
  • the wireless communication system shown in FIG. 1 is only a schematic illustration, and the wireless communication system may also include other network devices, such as core network devices, wireless relay devices, and wireless backhaul devices, etc. Not shown in Figure 1.
  • the embodiments of the present disclosure do not limit the number of network devices and the number of terminals included in the wireless communication system.
  • the wireless communication system is a network that provides a wireless communication function.
  • Wireless communication systems can use different communication technologies, such as code division multiple access (CDMA), wideband code division multiple access (WCDMA), time division multiple access (TDMA) , frequency division multiple access (frequency division multiple access, FDMA), orthogonal frequency division multiple access (orthogonal frequency-division multiple access, OFDMA), single carrier frequency division multiple access (single Carrier FDMA, SC-FDMA), carrier sense Carrier Sense Multiple Access with Collision Avoidance.
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal frequency division multiple access
  • single carrier frequency division multiple access single Carrier FDMA, SC-FDMA
  • carrier sense Carrier Sense Multiple Access with Collision Avoidance CDMA
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • TDMA time division multiple access
  • OFDMA orthogonal
  • the network can be divided into 2G (English: generation) network, 3G network, 4G network or future evolution network, such as 5G network, 5G network can also be called a new wireless network ( New Radio, NR).
  • 2G International: generation
  • 3G network 4G network or future evolution network, such as 5G network
  • 5G network can also be called a new wireless network ( New Radio, NR).
  • New Radio New Radio
  • the present disclosure will sometimes refer to a wireless communication network simply as a network.
  • the wireless access network device may be: a base station, an evolved node B (evolved node B, base station), a home base station, an access point (AP) in a wireless fidelity (wireless fidelity, WIFI) system, a wireless relay A node, a wireless backhaul node, a transmission point (TP) or a transmission and reception point (TRP), etc., can also be a gNB in an NR system, or can also be a component or part of a device that constitutes a base station Wait.
  • the network device may also be an in-vehicle device.
  • V2X vehicle-to-everything
  • the terminal involved in the present disclosure may also be referred to as terminal equipment, user equipment (User Equipment, UE), mobile station (Mobile Station, MS), mobile terminal (Mobile Terminal, MT), etc.
  • a device that provides voice and/or data connectivity for example, a terminal may be a handheld device with wireless connectivity, a vehicle-mounted device, or the like.
  • some examples of terminals are: Smartphone (Mobile Phone), Pocket Personal Computer (PPC), PDA, Personal Digital Assistant (PDA), notebook computer, tablet computer, wearable device, or Vehicle equipment, etc.
  • the terminal device may also be an in-vehicle device. It should be understood that the embodiments of the present disclosure do not limit the specific technology and specific device form adopted by the terminal.
  • the transmitter (network device or terminal) as the information sending end needs to use a corresponding channel access mechanism to access the channel and then send the information.
  • a corresponding channel access mechanism There are various channel access mechanisms.
  • the LBT channel access mechanism can be used to perform CCA on the unlicensed spectrum, and the transmitter sends information after the CCA is successful, or the no-LBT channel can be used on the unlicensed spectrum.
  • the access mechanism directly accesses the channel to send information.
  • the channel access mechanism of LBT can effectively avoid interference
  • the channel access mechanism of no-LBT can improve the efficiency of communication transmission.
  • how to effectively avoid interference and improve transmission efficiency is a hot issue that needs to be studied.
  • An embodiment of the present disclosure provides a communication method, in which a transmitter determines a channel access mechanism based on actual channel conditions. For example, a condition for performing channel access mechanism switching is preset, and when the channel detection result satisfies the condition, a channel access mechanism is performed. switch to effectively avoid interference and improve transmission efficiency.
  • the channel access mechanism currently adopted by the transmitter is referred to as the first channel access mechanism
  • the channel access mechanism after the transmitter switch is referred to as the second channel access mechanism.
  • FIG. 2 is a flow chart of a communication method according to an exemplary embodiment. As shown in FIG. 2 , the communication method is used in a transmitter, which may be a terminal or a network device, and includes the following steps.
  • step S11 the currently adopted first channel access mechanism is determined.
  • the first channel access mechanism currently adopted by the transmitting end may be an LBT channel access mechanism or a no-LBT channel access mechanism.
  • the transmitting end may perform channel detection, and determine whether to perform switching of the channel access mechanism based on the channel detection result. For example, channel energy detection, interference value detection, etc. are performed.
  • a condition for performing channel access mechanism switching may be preset, which is hereinafter referred to as the first condition.
  • the transmitting end may determine whether to switch the channel access mechanism based on the channel detection result and the first condition.
  • step S12 in response to the channel detection result satisfying the first condition, switching from the first channel access mechanism to the second channel access mechanism.
  • the transmitter switches the channel access mechanism from the first channel access mechanism to the second channel access mechanism.
  • the second channel access mechanism is different from the first channel access mechanism.
  • the first channel access mechanism is an LBT channel access mechanism
  • the second channel access mechanism is a no-LBT channel access mechanism.
  • the first channel access mechanism is a no-LBT channel access mechanism
  • the second channel access mechanism is an LBT channel access mechanism.
  • the currently adopted first channel access mechanism is switched to the second channel access mechanism, and the channel access mechanism on the unlicensed spectrum is switched to effectively avoid interference and improve transmission efficiency.
  • the first channel access mechanism in the embodiment of the present disclosure may be a default channel access mechanism.
  • the channel access mechanism set by default is stipulated by a protocol or configured by a network device.
  • the protocol stipulates that the default channel access mechanism used by the transmitting end is the LBT channel access mechanism, or may also be the no-LBT channel access mechanism.
  • the default channel access mechanism configured by the network device (eg, the base station) for the transmitting end is the LBT channel access mechanism, or may also be the no-LBT channel access mechanism.
  • the first channel access mechanism may also be a channel access mechanism currently used by the transmitting end after changing the default channel access mechanism.
  • the first channel access mechanism may be the channel access mechanism after the channel access mechanism is switched by the transmitting end, and then based on the channel access mechanism after the channel access mechanism switch, it continues to detect and determine whether to continue the channel access. mechanism switching.
  • the first channel access mechanism may be an LBT channel access mechanism or a no-LBT channel access mechanism
  • the second channel access mechanism may be a no-LBT channel access mechanism or an LBT channel access mechanism
  • the first channel access mechanism is an LBT channel access mechanism
  • the second channel access mechanism is a no-LBT channel access mechanism as an example for description.
  • the transmitter determines that the currently used first channel access mechanism is the LBT channel access mechanism, and can use the traditional method to perform energy detection before LBT channel access. After that, it is determined that the channel interference is low, and it can be determined that the channel access mechanism needs to be switched, for example, switching to the no-LBT channel access mechanism, so as to improve the communication transmission efficiency under the condition of low interference.
  • the first channel access mechanism is the LBT channel access mechanism
  • the second channel access mechanism is the no-LBT channel access mechanism
  • the first condition may be set to determine the interference based on the energy before the LBT channel access.
  • the relatively low energy detection threshold is hereinafter referred to as the first energy detection threshold.
  • the energy before the access of the LBT channel is lower than the first energy detection threshold, which can be understood as the fact that the channel interference is low, and the impact on the communication transmission is within an acceptable range.
  • the transmitting end performs energy detection before the access of the first number of LBT channels, and if the mean value of the energy detection results before the access of the first number of LBT channels is less than or equal to the first energy detection threshold, the channel is determined.
  • the interference situation is low, and the no-LBT channel access mechanism can be switched at this time. It can also be understood that when the transmitter uses the LBT channel access mechanism, it can be determined whether to switch to no-LBT by comparing the average value of the energy detection of one or more (first number) LBTs with the first energy detection threshold value. . When the interference is found to be low after a period of channel measurement, it switches to no-LBT autonomously.
  • the first quantity for performing energy detection before LBT channel access may be a protocol agreement, or may be configured by a network device.
  • the first energy detection threshold value in the embodiment of the present disclosure may be a protocol agreement, or may be configured by a network device.
  • the mean value of the energy detection results of the first number of LBT channels before access may be a linear mean value, or may be a weighted mean value, a geometric mean value, a harmonic mean value, etc. of different samples determined by using different mean value calculation methods. .
  • the first channel access mechanism is a no-LBT channel access mechanism
  • the second channel access mechanism is an LBT channel access mechanism as an example for description.
  • channel energy detection can be performed.
  • the channel access mechanism can be switched to the LBT channel access mechanism.
  • the first channel access mechanism is the no-LBT channel access mechanism
  • the second channel access mechanism is the LBT channel access mechanism
  • the first condition may be set to determine the interference situation based on the channel energy detection result.
  • the relatively low energy detection threshold value is hereinafter referred to as the second energy detection threshold value.
  • the channel energy detection result is greater than the second energy detection threshold, indicating that the channel interference is relatively large, and LBT monitoring is required to reduce the influence of interference on communication performance.
  • the transmitter when the transmitter uses the no-LBT channel access mechanism for channel access, the transmitter performs periodic energy detection with a specified cycle duration (hereinafter referred to as the first cycle duration). Or the channel energy detection result detected in multiple cycles (hereinafter referred to as the second number of cycles) exceeds the second energy detection threshold, it can be determined that the channel interference is relatively large, and the channel is switched to the LBT channel access mechanism to perform LBT monitoring. Reduce the impact of interference on communication performance. That is, the transmitting end performs periodic channel energy detection with the first period duration. The channel detection result satisfies the first condition, including: the second number of periodic channel energy detection results is greater than the second energy detection threshold.
  • the second quantity of periodic energy detection performed by the transmitting end may be stipulated in the protocol, or may be configured by the network device.
  • the first period duration of the periodic energy detection performed by the transmitting end may be specified in the protocol or configured by the network device.
  • the second energy detection threshold value may be stipulated in a protocol, or may be configured by a network device.
  • the communication method provided by the embodiment of the present disclosure can switch the channel access mechanism, for example, switch between the LBT channel access mechanism and the no-LBT channel access mechanism, and realize the channel access mechanism switching on the unlicensed spectrum, In order to effectively avoid interference and improve transmission efficiency.
  • the communication method provided by the embodiment of the present disclosure can be applied to the process of channel access by the transmitter in the process of information sending by the network device and the terminal.
  • an embodiment of the present disclosure also provides a communication device.
  • the communication apparatus includes corresponding hardware structures and/or software modules for executing each function.
  • the embodiments of the present disclosure can be implemented in hardware or a combination of hardware and computer software. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the technical solutions of the embodiments of the present disclosure.
  • Fig. 3 is a block diagram of a communication device according to an exemplary embodiment.
  • the communication device 100 includes a processing unit 101 .
  • the processing unit 101 is configured to determine the currently adopted first channel access mechanism, and in response to the channel detection result satisfying the first condition, switch from the first channel access mechanism to the second channel access mechanism.
  • the first channel access mechanism is a listen-before-talk LBT channel access mechanism
  • the second channel access mechanism is a no-list-before-talk no-LBT channel access mechanism.
  • the processing unit 101 is further configured to: perform a first quantity of LBT channel energy detection before access.
  • the channel detection result satisfies the first condition, including: the mean value of the energy detection results before the access of the first listen-before-talk LBT channel is less than or equal to the first energy detection threshold.
  • the first channel access mechanism is a no-LBT channel access mechanism without listening-before-talk
  • the second channel access mechanism is a listen-before-talk LBT channel access mechanism.
  • the processing unit 101 is further configured to perform periodic channel energy detection with a first period duration.
  • the channel detection result satisfies the first condition, including: the second number of periodic channel energy detection results is greater than the second energy detection threshold.
  • the first channel access mechanism is a default channel access mechanism.
  • the default channel access mechanism is stipulated by a protocol or configured by a network device.
  • Fig. 4 is a block diagram of an apparatus for channel communication according to an exemplary embodiment.
  • apparatus 200 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • apparatus 200 may include one or more of the following components: processing component 202, memory 204, power component 206, multimedia component 208, audio component 210, input/output (I/O) interface 212, sensor component 214, and Communication component 216 .
  • the processing component 202 generally controls the overall operation of the device 200, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 202 may include one or more processors 220 to execute instructions to perform all or some of the steps of the methods described above.
  • processing component 202 may include one or more modules that facilitate interaction between processing component 202 and other components.
  • processing component 202 may include a multimedia module to facilitate interaction between multimedia component 208 and processing component 202.
  • Memory 204 is configured to store various types of data to support operation at device 200 . Examples of such data include instructions for any application or method operating on the device 200, contact data, phonebook data, messages, pictures, videos, and the like. Memory 204 may be implemented by any type of volatile or non-volatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic or Optical Disk Magnetic Disk
  • Power components 206 provide power to various components of device 200 .
  • Power components 206 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to device 200 .
  • the multimedia component 208 includes a screen that provides an output interface between the device 200 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
  • the touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may not only sense the boundaries of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action.
  • the multimedia component 208 includes a front-facing camera and/or a rear-facing camera. When the apparatus 200 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 210 is configured to output and/or input audio signals.
  • audio component 210 includes a microphone (MIC) that is configured to receive external audio signals when device 200 is in operating modes, such as call mode, recording mode, and voice recognition mode.
  • the received audio signal may be further stored in memory 204 or transmitted via communication component 216 .
  • the audio component 210 also includes a speaker for outputting audio signals.
  • the I/O interface 212 provides an interface between the processing component 202 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 214 includes one or more sensors for providing status assessments of various aspects of device 200 .
  • the sensor assembly 214 can detect the open/closed state of the device 200, the relative positioning of components, such as the display and keypad of the device 200, and the sensor assembly 214 can also detect a change in the position of the device 200 or a component of the device 200 , the presence or absence of user contact with the device 200 , the orientation or acceleration/deceleration of the device 200 and the temperature change of the device 200 .
  • Sensor assembly 214 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 214 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 214 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 216 is configured to facilitate wired or wireless communication between apparatus 200 and other devices.
  • Device 200 may access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 216 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 216 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 200 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 204 including instructions, executable by the processor 220 of the apparatus 200 to perform the method described above.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • Fig. 5 is a block diagram of an apparatus for communication according to an exemplary embodiment.
  • the apparatus 300 may be provided as a network device, such as a server.
  • apparatus 300 includes a processing component 322, which further includes one or more processors, and a memory resource, represented by memory 332, for storing instructions executable by processing component 322, such as an application program.
  • An application program stored in memory 332 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 322 is configured to execute instructions to perform the above-described methods.
  • Device 300 may also include a power supply assembly 326 configured to perform power management of device 300 , a wired or wireless network interface 350 configured to connect device 300 to a network, and an input output (I/O) interface 358 .
  • Device 300 may operate based on an operating system stored in memory 332, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.
  • a non-transitory computer-readable storage medium including instructions, such as memory 332 including instructions, executable by the processing component 322 of the apparatus 300 to perform the method described above is also provided.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • first, second, etc. are used to describe various information, but the information should not be limited to these terms. These terms are only used to distinguish the same type of information from one another, and do not imply a particular order or level of importance. In fact, the expressions “first”, “second” etc. are used completely interchangeably.
  • the 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, without departing from the scope of the present disclosure.

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

Abstract

La présente divulgation concerne un procédé de communication et un appareil de communication ainsi qu'un support de stockage. Le procédé de communication consiste : à déterminer un premier mécanisme d'accès à un canal actuellement utilisé ; et en réponse à un résultat de détection de canal satisfaisant une première condition, à commuter du premier mécanisme d'accès à un canal à un second mécanisme d'accès à un canal. Au moyen des modes de réalisation de la présente divulgation, la commutation d'un mécanisme d'accès à un canal sur un spectre sans licence peut être mise en œuvre, de façon à éviter efficacement une interférence et à améliorer l'efficacité de transmission.
PCT/CN2020/130630 2020-11-20 2020-11-20 Procédé de communication et appareil de communication et support de stockage Ceased WO2022104745A1 (fr)

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CN202080003604.5A CN114830795A (zh) 2020-11-20 2020-11-20 通信方法、通信装置及存储介质
PCT/CN2020/130630 WO2022104745A1 (fr) 2020-11-20 2020-11-20 Procédé de communication et appareil de communication et support de stockage

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