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WO2022236511A1 - Procédé d'écoute, dispositif terminal, dispositif de réseau, puce et support de stockage - Google Patents

Procédé d'écoute, dispositif terminal, dispositif de réseau, puce et support de stockage Download PDF

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Publication number
WO2022236511A1
WO2022236511A1 PCT/CN2021/092518 CN2021092518W WO2022236511A1 WO 2022236511 A1 WO2022236511 A1 WO 2022236511A1 CN 2021092518 W CN2021092518 W CN 2021092518W WO 2022236511 A1 WO2022236511 A1 WO 2022236511A1
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WO
WIPO (PCT)
Prior art keywords
terminal device
information
periods
parameter
quantity information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/CN2021/092518
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English (en)
Chinese (zh)
Inventor
赵振山
丁伊
张世昌
林晖闵
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.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202180087106.8A priority Critical patent/CN116746239A/zh
Priority to PCT/CN2021/092518 priority patent/WO2022236511A1/fr
Publication of WO2022236511A1 publication Critical patent/WO2022236511A1/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
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/26—Resource reservation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the communication field, and more specifically, relates to an interception method, terminal equipment, network equipment, chip, computer-readable storage medium, computer program product and computer program.
  • NR New Radio
  • SL Sidelink
  • the terminal device may select some time-frequency resources in the resource selection window, listen to data transmissions before these time-frequency resources, and determine a set of candidate resources for sidelink transmission in these time-frequency resources according to the listening results.
  • a partial interception system it is necessary to consider how to achieve a performance balance between reliability and reduced power consumption.
  • embodiments of the present application provide an interception method, terminal device, network device, chip, computer-readable storage medium, computer program product, and computer program, which can be used for interception in a sidelink system.
  • An embodiment of the present application provides an interception method, including:
  • the terminal device selects M periods from the period set according to the first quantity information; wherein, M is an integer greater than or equal to 1;
  • the terminal device performs interception based on M periods to obtain interception information; where the interception information is used to determine resources for sidelink transmission.
  • the embodiment of the present application also provides a frame listening method, including:
  • the network device sends the first indication information to the terminal device
  • the first indication information is used to instruct the terminal device to determine the first quantity information and/or cycle set; the first quantity information and/or cycle set are used to select M cycles, so as to base on the M Frame listening is performed periodically to obtain frame listening information, which is used to determine sidelink transmission resources; wherein, M is an integer greater than or equal to 1.
  • the embodiment of the present application also provides a terminal device, including:
  • the processing module is configured to select M periods in the period set according to the first quantity information, and perform interception based on the M periods to obtain interception information; wherein, M is an integer greater than or equal to 1; the interception information is used to determine Resources for sidestream transfers.
  • the embodiment of the present application also provides a network device, including:
  • a communication module configured to send first indication information to the terminal device
  • the first indication information is used to instruct the terminal device to determine the first quantity information and/or cycle set; the first quantity information and/or cycle set are used to select M cycles, so as to perform frame listening based on M cycles, and obtain frame listening Information, the frame listening information is used to determine resources for sideline transmission; wherein, M is an integer greater than or equal to 1.
  • An embodiment of the present application also provides a terminal device, including: a processor and a memory, the memory is used to store a computer program, and the processor invokes and runs the computer program stored in the memory to execute the interception method in any embodiment of the present application.
  • An embodiment of the present application also provides a network device, including: a processor and a memory, the memory is used to store a computer program, and the processor invokes and runs the computer program stored in the memory to execute the interception method in any embodiment of the present application.
  • An embodiment of the present application also provides a chip, including: a processor, configured to invoke and run a computer program from a memory, so that a device equipped with the chip executes the interception method in any embodiment of the present application.
  • An embodiment of the present application further provides a computer-readable storage medium for storing a computer program, wherein the computer program causes a computer to execute the interception method in any embodiment of the present application.
  • An embodiment of the present application further provides a computer program product, including computer program instructions, wherein the computer program instructions cause a computer to execute the interception method in any embodiment of the present application.
  • An embodiment of the present application further provides a computer program, which enables a computer to execute the interception method in any embodiment of the present application.
  • the terminal device selects M periods in the period set according to the first quantity information, and performs interception based on the selected M periods to obtain interception information, so as to determine resources for sidelink transmission. Therefore, by determining the first quantity information, a reasonable number of cycles can be selected for listening, which is beneficial to achieve a performance balance between reliability and power consumption reduction.
  • Fig. 1 is a schematic diagram of a wireless communication system according to an embodiment of the present application.
  • FIG. 2A is a schematic diagram of inbound communication within a network coverage area.
  • Fig. 2B is a schematic diagram of partial network coverage side communication.
  • FIG. 2C is a schematic diagram of outbound communications outside network coverage.
  • FIG. 3A is a schematic diagram of unicast transmission.
  • Fig. 3B is a schematic diagram of multicast transmission.
  • Figure 3C is a schematic diagram of broadcast transmission.
  • Fig. 4 is a schematic diagram of a listening window and a selection window.
  • Figure 5 is a schematic diagram of the Re-evaluation mechanism.
  • Fig. 6 is a schematic diagram of the Pre-emption mechanism.
  • Fig. 7 is a schematic flowchart of an interception method according to an embodiment of the present application.
  • Fig. 8 is a schematic diagram of period-based interception according to an embodiment of the present application.
  • Fig. 9 is a schematic diagram of period-based interception according to another embodiment of the present application.
  • Fig. 10 is a schematic flowchart of a frame listening method according to another embodiment of the present application.
  • Fig. 11 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • Fig. 12 is a schematic block diagram of a network device according to an embodiment of the present application.
  • Fig. 13 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • Fig. 14 is a schematic block diagram of a chip according to an embodiment of the present application.
  • Fig. 15 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • the technical solution of the embodiment of the present application can be applied to various communication systems, such as: Global System of Mobile communication (Global System of Mobile communication, GSM) system, code division multiple access (Code Division Multiple Access, CDMA) system, broadband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, Advanced long term evolution (LTE-A) system , New Radio (NR) system, evolution system of NR system, LTE (LTE-based access to unlicensed spectrum, LTE-U) system on unlicensed spectrum, NR (NR-based access to unlicensed spectrum) on unlicensed spectrum unlicensed spectrum (NR-U) system, Non-Terrestrial Networks (NTN) system, Universal Mobile Telecommunications System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (Wireless Fidelity, WiFi), fifth-generation communication (5th-Generation, 5G) system or other communication systems, etc.
  • GSM Global System of Mobile
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • V2X Vehicle to everything
  • the communication system in the embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, may also be applied to a dual connectivity (Dual Connectivity, DC) scenario, and may also be applied to an independent (Standalone, SA) deployment Web scene.
  • Carrier Aggregation, CA Carrier Aggregation
  • DC Dual Connectivity
  • SA independent deployment Web scene
  • the communication system in the embodiment of the present application may be applied to an unlicensed spectrum, where the unlicensed spectrum may also be considered as a shared spectrum; or, the communication system in the embodiment of the present application may also be applied to a licensed spectrum, where, Licensed spectrum can also be considered as non-shared spectrum.
  • the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, wherein the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • user equipment User Equipment, UE
  • access terminal user unit
  • user station mobile station
  • mobile station mobile station
  • remote station remote terminal
  • mobile device user terminal
  • terminal wireless communication device
  • wireless communication device user agent or user device
  • the terminal device can be a station (STAION, ST) in the WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, next-generation communication systems such as terminal devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
  • STAION, ST Session Initiation Protocol
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as aircraft, balloons and satellites) superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, or wireless terminal equipment in smart home.
  • a virtual reality (Virtual Reality, VR) terminal device an augmented reality (Augmented Reality, AR) terminal Equipment
  • wireless terminal equipment in industrial control wireless terminal equipment in self driving
  • wireless terminal equipment in remote medical wireless terminal equipment in smart grid
  • wireless terminal equipment in transportation safety wireless terminal equipment in smart city, or wireless terminal equipment in smart home.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which is a general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not only a hardware device, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-sized, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, etc., and only focus on a certain type of application functions, and need to cooperate with other devices such as smart phones Use, such as various smart bracelets and smart jewelry for physical sign monitoring.
  • the network device may be a device for communicating with the mobile device, and the network device may be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA , or a base station (NodeB, NB) in WCDMA, or an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and an NR network
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • Evolutional Node B, eNB or eNodeB evolved base station
  • LTE Long Term Evolution
  • eNB evolved base station
  • gNB network equipment
  • the network device may have a mobile feature, for example, the network device may be a mobile device.
  • the network equipment may be a satellite or a balloon station.
  • the satellite can be a low earth orbit (low earth orbit, LEO) satellite, a medium earth orbit (medium earth orbit, MEO) satellite, a geosynchronous earth orbit (geosynchronous earth orbit, GEO) satellite, a high elliptical orbit (High Elliptical Orbit, HEO) satellite. ) Satellite etc.
  • the network device may also be a base station installed on land, water, and other locations.
  • the network device may provide services for a cell, and the terminal device communicates with the network device through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device ( For example, a cell corresponding to a base station), the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell), and the small cell here may include: a metro cell (Metro cell), a micro cell (Micro cell), a pico cell ( Pico cell), Femto cell, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • the transmission resources for example, frequency domain resources, or spectrum resources
  • the cell may be a network device (
  • the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell)
  • the small cell here may include: a metro cell (Metro cell), a micro cell (Micro
  • FIG. 1 schematically shows a wireless communication system 1000 .
  • the wireless communication system 1000 includes a network device 1100 and two terminal devices 1200.
  • the wireless communication system 1000 may include a plurality of network devices 1100, and the coverage of each network device 1100 may include other numbers of terminals
  • the device 1200 is not limited in this embodiment of the present application.
  • the wireless communication system 1000 shown in FIG. 1 may also include other network entities such as a mobility management entity (Mobility Management Entity, MME), an access and mobility management function (Access and Mobility Management Function, AMF), etc.
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • the network equipment may further include access network equipment and core network equipment. That is, the wireless communication system also includes multiple core networks for communicating with access network devices.
  • the access network device may be a long-term evolution (long-term evolution, LTE) system, a next-generation (mobile communication system) (next radio, NR) system or an authorized auxiliary access long-term evolution (LAA- Evolved base station (evolutional node B, may be referred to as eNB or e-NodeB) macro base station, micro base station (also called “small base station”), pico base station, access point (access point, AP) in LTE) system Transmission point (transmission point, TP) or new generation base station (new generation Node B, gNodeB), etc.
  • a device with a communication function in the network/system in the embodiment of the present application may be referred to as a communication device.
  • the communication equipment may include network equipment and terminal equipment with communication functions. It may include other devices in the communication system, such as network controllers, mobility management entities and other network entities, which are not limited in this embodiment of the present application.
  • the "indication" mentioned in the embodiments of the present application may be a direct indication, may also be an indirect indication, and may also mean that there is an association relationship.
  • a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • the term "corresponding" may indicate that there is a direct or indirect correspondence between the two, or that there is an association between the two, or that it indicates and is indicated, configuration and is configuration etc.
  • sidewalk communication it can be divided into various types according to the network coverage of the communicating terminal equipment.
  • network coverage inner row communication network coverage side row communication and network coverage outer row communication are shown in FIG. 2A , FIG. 2B and FIG. 2C respectively.
  • some terminals performing side communication are located within the coverage of the network device. These terminals can receive the configuration signaling of the network equipment, and perform side communication according to the configuration of the network equipment. However, terminals located outside the coverage of the network cannot receive the configuration signaling of the network device. In this case, the terminals outside the network coverage will use the pre-configuration (pre-configuration) information and the sidelink broadcast channel sent by the terminal within the network coverage, such as the Physical Sidelink Broadcast Channel (PSBCH) The information carried in determines the sidewalk configuration for sidelink communication.
  • pre-configuration pre-configuration
  • PSBCH Physical Sidelink Broadcast Channel
  • all terminals performing side communication are located outside the network coverage, and all terminals determine the side configuration according to the pre-configuration information to perform side communication.
  • D2D communication is a sidelink (Sidelink, SL) based transmission technology.
  • SL Sidelink
  • the D2D system has higher spectral efficiency and lower transmission delay.
  • the V2X system adopts the method of terminal-to-terminal direct communication.
  • D2D/V2X includes two transmission modes: a first mode and a second mode.
  • the first mode the transmission resource of the terminal is allocated by the network device.
  • the terminal sends data on the sidelink according to the resources allocated by the network device.
  • the network device can allocate resources for a single transmission to the terminal, and can also allocate resources for semi-static transmission to the terminal. As shown in FIG. 2A , the terminal is located within the coverage of the network, and the network device allocates transmission resources for sidelink transmission to the terminal.
  • the second mode the terminal selects resources from the resource pool for data transmission.
  • the terminal is located outside the coverage of the cell, and the terminal autonomously selects transmission resources from a pre-configured resource pool for sidelink transmission.
  • the terminal independently selects transmission resources from a resource pool configured by the network for sidelink transmission.
  • unicast and multicast transmission methods are introduced.
  • For unicast transmission there is only one terminal at the receiving end of the transmission (the receiving end may be referred to as the receiving end).
  • the receiving end may be referred to as the receiving end.
  • FIG. 3A unicast transmission is performed between UE1 and UE2.
  • For multicast transmission its receivers are all terminals in a communication group, or all terminals within a certain transmission distance.
  • UE1, UE2, UE3, and UE4 form a communication group, wherein UE1 sends data, and other terminal devices in the group are receiving terminals.
  • the receiving end is any terminal around the sending end terminal (which may be referred to as the sending end).
  • UE1 is a transmitting terminal, and other terminals around it, UE2-UE6 are all receiving terminals.
  • full listening means that the terminal can listen to data sent by other terminals in all time slots (or subframes) except the time slot for sending data; and Partial sensing (partial sensing) is for terminal energy saving.
  • the terminal only needs to sense part of the time slot (or subframe), and selects resources based on the result of partial sensing.
  • the upper layer when the upper layer does not configure partial interception, it defaults to full interception for resource selection. For example, as shown in Figure 4, at time n, the terminal will select resources in the selection window [n+T1,n+T2] according to the interception results in the interception window [n-1000,n-1] .
  • the time unit of the listening window and the selection window is at least one of the following: millisecond, time slot, and subframe.
  • the time n includes at least one of the following: the time when resource selection is triggered, the time when resource reselection is triggered, the time when the upper layer triggers the lower layer to report resources, and the time when a new data packet arrives.
  • the above multiple times may be the same time, for example, the time when resource selection is triggered is also the time when a new data packet arrives; the time when resource reselection is triggered is also the time when a new data packet arrives; the time when resource selection is triggered, At the same time, it is also the moment when the upper layer triggers the lower layer to report resources.
  • the process for the terminal to select resources in the selection window mainly includes:
  • Step 1 The terminal will select all available resources in the window as a set A.
  • Step 2 If the terminal has no listening result for some subframes in the listening window, in set A, the resources of these subframes in the corresponding subframes in the selection window are excluded.
  • Step 3 If the terminal detects a physical sidelink control channel (Physical Sidelink Control Channel, PSCCH) in the listening window, measure the reference signal received power ( Reference Signal Received Power, RSRP). If the measured PSSCH-RSRP is higher than the PSSCH-RSRP threshold, and there is a resource conflict between the reserved transmission resource determined according to the reservation information in the control information and the data to be sent by the terminal, then exclude the resource from set A .
  • the selection of the PSSCH-RSRP threshold is determined by the detected priority information carried in the PSCCH and the priority of the data to be transmitted by the terminal.
  • Step 4 If the remaining resources in set A are less than 20% of the total resources, the terminal can increase the RSRP threshold, for example, 3dB, and repeat steps 1-3 until the remaining resources in set A are greater than 20% of the total resources. 20%.
  • the RSRP threshold for example, 3dB
  • Step 5 The terminal performs sidelink received signal strength indicator (Sidelink Received Signal Strength Indicator, S-RSSI) detection on the remaining resources in set A, and sorts them according to the energy level, and sorts the 20% of the lowest energy in set A (relatively The number of resources in set A) is put into set B.
  • S-RSSI Sidelink Received Signal Strength Indicator
  • Step 6 The terminal selects resources from set B with medium probability for data transmission.
  • the terminal selects Y time slots in the selection window, and judges whether the resources on the Y time slots can be used as candidate resources according to the interception results, and if so, put them into set B. If the number of resources in set B is greater than or equal to 20% of the total number of resources on Y time slots, set B is reported to the upper layer.
  • the terminal selects transmission resources and then transmits data on these resources.
  • resource conflict will occur at this time, which will degrade system performance.
  • the Pre-emption and Re-evaluation mechanisms are introduced in NR-V2X, so that the terminal can determine whether there is a resource conflict with other terminals before using the selected resources. If there is no conflict, the selected transmission resource can continue to be used. If there is a resource conflict, it is necessary to avoid and reselect resources according to the corresponding mechanism to avoid resource conflicts.
  • NR-V2X supports the Re-evaluation mechanism. After the terminal completes resource selection, the resources that have been selected but not indicated by sending sideline control information may still be reserved by other terminals with bursty aperiodic services, resulting in resource collisions. Aiming at this problem, a Re-evaluation mechanism is proposed, that is, the terminal continues to listen to the sidelink control information after completing resource selection, and re-evaluates the selected but unindicated resources at least once.
  • resources w, x, y, z, and v are time-frequency resources already selected by the UE, and resource x is located in time slot m.
  • resources y and z for which the UE is about to send sideline control information on resource x for the first indication (resource x has been indicated by sideline control information in resource w before):
  • UE performs resource sensing at least once in time slot mT 3 , that is The resource selection window and the listening window are determined, and resources in the resource selection window are excluded to obtain a candidate resource set.
  • the UE If resource y or z is not in the candidate resource set, the UE reselects the time-frequency resources in resource y and z that are not in the candidate resource set, and can also reselect any resource that has been selected but not indicated by sending sideline control information, for example Any number of resources among resources y, z, and v.
  • T3 depends on the processing capability of the terminal.
  • NR-V2X supports the Pre-emption mechanism, that is, the resource preemption mechanism.
  • the conclusion about the Pre-emption mechanism is described from the perspective of the preempted UE.
  • the UE After completing the resource selection, the UE still continuously listens to the sidelink control information. If the time-frequency resources that have been selected and indicated by sending sideline control information meet the following three conditions, resource reselection is triggered:
  • the RSRP of the PSCCH corresponding to the sidelink control information detected by the UE or the RSRP of the PSSCH scheduled by the PSCCH is greater than the SL RSRP threshold.
  • the priority carried in the intercepted sidelink control information is higher than the priority of the data to be sent by the UE.
  • resources w, x, y, z, and v are time-frequency resources already selected by the UE, and resource x is located in time slot m.
  • resource x or y is not in the candidate resource set (satisfy the above conditions 1 and 2), further determine whether the resource x or y is not in the candidate resource set (satisfy the above condition 3) due to the indication of carrying high priority sideline control information ). If so, the UE performs resource re-selection, and re-selects the time-frequency resources in x and y that meet the above three conditions.
  • a partial sensing mechanism In the NR SL system, in order to reduce the power consumption of the terminal, a partial sensing mechanism is also introduced.
  • the terminal selects a set of candidate transmission resources in the selection window according to the listening results in all time slots in the listening window (except the time slots with no listening results due to the influence of half-duplex). And report to the high-level for resource selection.
  • the terminal selects Y time slots in the selection window, and listens to the data transmission in the previous cycle corresponding to the Y time slots, and determines the candidate time slots in the Y time slots according to the listening results. Collection of resources.
  • the terminal listens data transfer in .
  • P′ reserve is converted from Pre reserve to the number of time slots.
  • the terminal may only listen to part of the time slots, for example, only listen to a part of periods in the set of periods included in the Preserve , so as to reduce power consumption.
  • Fig. 7 is a schematic flowchart of an interception method according to an embodiment of the present application.
  • the method can optionally be applied to the system shown in any one of Figs. 1-3C, but is not limited thereto.
  • the method includes at least some of the following.
  • the terminal device selects M periods from the period set according to the first quantity information; wherein, M is an integer greater than or equal to 1;
  • the terminal device performs interception based on M periods to obtain interception information, where the interception information is used to determine resources for sidelink transmission.
  • the period set is a resource pool configuration parameter.
  • the period set is a set Pre reserve of resource reservation periods allowed by the resource pool.
  • the value range of the period set P reserve may be: ⁇ 0, 1:99,100,200,300,400,500,600,700,800,900,100 ⁇ ms.
  • the period set may include N periods; N is a positive integer and N ⁇ 16. That is to say, the cycle set can include at most 16 cycles in the above value range.
  • the cycle set may include a cycle whose value is 0.
  • a period with a value of 0 can be used to represent an aperiodic service, or indicate that the terminal will not reserve resources for transmitting new data blocks.
  • the period set in the resource pool configuration parameter includes a period with a value of 0, the resource pool supports aperiodic services.
  • the first quantity information is used to determine the value of M.
  • S710 The terminal device selects M cycles from the cycle set according to the first quantity information, including:
  • the terminal device determines the value of M according to the first quantity information, and selects M periods from the period set.
  • the first quantity information is the value of M or the maximum value, minimum value, etc. that M can take.
  • the first quantity information is less than or equal to the number N of periods in the period set.
  • N the number of periods in the period set.
  • Mode 1 Selecting M periods in the period set includes: selecting M periods with the largest period values in the period set.
  • Mode 2 Selecting M periods in the period set includes: selecting M periods with the smallest period values in the period set.
  • a period with a period value of 0 is not included in the selected M periods with the smallest period value.
  • the terminal device selects M periods with the smallest period value from other periods in the period set except the period whose period value is 0.
  • the 4 periods with the smallest period values are selected in Pre reserve , but not Including the period whose period value is 0, therefore, the selected period set is ⁇ 20, 50, 80, 100 ⁇ ms, and the terminal device performs partial listening based on the selected period.
  • Mode 3 Selecting M periods in the period set includes: randomly selecting M periods in the period set.
  • the randomly selected M periods do not include a period with a period value of 0.
  • the terminal device randomly selects M periods from periods other than the period whose period value is 0 in the period set.
  • Mode 4 Selecting M cycles from the cycle set includes: selecting M cycles from the cycle set according to the cycles supported by the terminal device.
  • the M periods include the period supported by the terminal device or a multiple of the period supported by the terminal device.
  • the terminal device preferentially selects a cycle supported by the terminal device or a multiple of the cycle supported by the terminal device in the cycle set.
  • the number K of the cycle supported by the terminal device or the multiple of the cycle supported by the terminal device is less than M, then first select the cycle supported by the terminal device or the multiple of the cycle supported by the terminal device, and then in the cycle set Select (M-K) cycles from the remaining cycles, for example, select (M-K) cycles with the largest or smallest cycle value, or randomly select (M-K) cycles.
  • the period supported by the terminal device is 100
  • the terminal device preferably selects 3 in Pre reserve Period ⁇ 100, 200, 500 ⁇ ms, and then select a period with the largest or smallest period value in the remaining periods in Preserve , or randomly select a period in the remaining periods in Preserve .
  • the number K of cycles supported by the terminal device or multiples of cycles supported by the terminal device is greater than M
  • select M cycles from the cycles supported by the terminal device or multiples of cycles supported by the terminal device for example Select M periods with the largest or smallest period value, or randomly select M periods.
  • the cycle supported by the terminal device is 50
  • the terminal device selects a cycle in ⁇ 50, 100, 150, 200, 250, 500 ⁇ ms
  • the M periods do not include a period whose period value is 0.
  • the terminal device performs interception based on M periods, and obtains interception information, including:
  • the terminal device determines the listening resource based on M cycles
  • the terminal device intercepts based on the interception resource, and obtains the interception information.
  • the interception information may also be referred to as an interception result.
  • the terminal device intercepts based on all periods in the period set Pre reserve allowed by the resource pool, and can obtain the most accurate interception result.
  • the period set P reserve includes four periods p1, p2, p3 and p4.
  • the terminal device listens based on all periods in the period set Pre reserve , that is, before selecting the time slot t y in the window, determine the listening time slot t y according to the periods p1, p2, p3 and p4 respectively -p1 , ty -p2 , ty -p3 and ty-p4 , based on the listening time slots ty-p1 , ty-p2 , ty-p3 and ty-p4 , the listening results are the most Accurate, it is beneficial to accurately determine the resources used for sidelink transmission within the selection window.
  • the period set P reserve includes four periods p1, p2, p3 and p4.
  • the terminal device performs partial interception based on p1 and p2, that is, before the time slot ty , the interception time slots ty-p1 and ty-p2 are determined according to the periods p1 and p2 , based on the interception time slot T y-p1 and t y-p2 perform interception, which can reduce the power consumption generated by the interception but may affect the reliability of the interception result.
  • the first quantity information may be determined based on certain parameters of the terminal device.
  • the listening method also includes:
  • the terminal device determines the first quantity information according to the first parameter.
  • the terminal device determines the first quantity information according to the first parameter, including:
  • the terminal device determines the first quantity information according to the first parameter and the first correspondence, where the first correspondence is a correspondence between the first parameter and the first quantity information.
  • the first correspondence is preconfigured or determined according to first configuration information sent by the network device.
  • the terminal device determines the first quantity information according to the first parameter, including:
  • the terminal device determines the first quantity information according to the first parameter and at least one threshold value.
  • At least one threshold value is preconfigured or determined according to second configuration information sent by the network device.
  • the first configuration information and the second configuration information sent by the network device may be the same configuration information.
  • the terminal device determines at least one threshold value and the first corresponding relationship according to a piece of configuration information sent by the network device.
  • the terminal device determines the first quantity information according to the first parameter, at least one threshold value, and the first corresponding relationship.
  • the first corresponding relationship is specifically the corresponding relationship between the first parameter and the first quantity information under different parameter intervals, and the parameter interval is determined based on at least one threshold value.
  • the first parameter includes at least one of the following parameters:
  • CBR Channel Busy Ratio
  • the first parameter may include CBR and priority; or, the first parameter may include CBR and remaining power; or, the first parameter may include CBR and energy-saving level; or, the first parameter may include priority and energy-saving level; or , the first parameter may include priority and remaining power;
  • the first parameter may include CBR, priority, and remaining power; or, the first parameter may include CBR, priority, and energy-saving level.
  • the first parameter may include CBR, priority, remaining power and energy saving level.
  • the CBR is obtained by the terminal device measuring the resource pool.
  • the CBR indicates the congestion degree of the channel, and the value range is [0,1].
  • the higher the CBR the more congested the channel and the more prone to resource conflicts.
  • the lower the CBR the more idle the channel and the lower the probability of collision. Therefore, the first quantity information can be determined according to the CBR.
  • the higher the CBR the greater the first quantity information, and the greater the selected period quantity M, so as to ensure the accuracy of interception results and avoid resource conflicts.
  • the lower the CBR the smaller the first quantity information, the smaller the selected period number M, and the fewer resources the terminal needs to listen to, so as to ensure the energy saving effect of the terminal.
  • the CBR is low, that is, the channel congestion degree is low, The probability of resource conflicts between terminals is low, and the transmission performance can be guaranteed even if the terminals only listen to some resources.
  • the priority is determined according to Sidelink Control Information (SCI).
  • SCI Sidelink Control Information
  • the priority in the lateral system may include the priority of the data to be transmitted, and the priority may be carried by the SCI that schedules the data to be transmitted.
  • the priority can be used to represent the priority level. For example, the value range of the priority is [0,7]. The lower the value of the priority, the higher the priority; the higher the value of the priority, the lower the priority.
  • the side row data with a high priority level (low priority value) has a higher reliability requirement. Therefore, the first quantity information can be determined according to the priority, for example, the lower the value of the priority (indicating a higher priority), the greater the first quantity information, and the greater the number of cycles M selected, so as to ensure that the reliability requirement is met.
  • the energy saving level is determined according to the terminal type or remaining power of the terminal device.
  • the energy saving level is high; if the type of the terminal device is a vehicle terminal, the energy saving level is low.
  • the energy saving level is low; if the remaining power of the terminal device is low, the energy saving level is high.
  • the remaining power is measured by the terminal device; or, the remaining power is obtained from an application layer or a higher layer of the terminal device.
  • the first quantity information may be determined according to the energy saving level or remaining power of the terminal device. For example, the higher the energy-saving level or the lower the remaining power, the smaller the first quantity information, and the smaller the selected number of cycles M, so as to reduce the power consumption of the terminal device and achieve a balance between power consumption and reliability.
  • the following are several specific examples of determining the first quantity information according to the first parameter in the embodiment of the present application.
  • the value of M as the first quantity information is taken as an example for illustration.
  • Example 1 The terminal device determines the first quantity information M according to the CBR.
  • the terminal device measures the CBR of the resource pool, and determines the value of M according to the measurement result.
  • the first correspondence is pre-configured or configured by the network, and the first correspondence is the correspondence between CBR and the value of M; the terminal device measures the CBR of the resource pool, and according to the measured CBR and the first correspondence The relationship determines the value of M.
  • the CBR threshold is pre-configured or configured by the network, and the terminal device determines the value of M according to the measured CBR and the CBR threshold.
  • the network configures one CBR threshold; and configures the correspondence between the CBR threshold and the value of M (or the correspondence between the CBR interval corresponding to the CBR threshold and the value of M).
  • N represents the number of non-zero elements in the set Pre reserve of resource reservation periods allowed by the resource pool.
  • the terminal device determines a specific value of M according to the measured CBR and the above correspondence.
  • the threshold may be one threshold or multiple thresholds.
  • the network configures two CBR thresholds, and configures the corresponding relationship between the three CBR intervals corresponding to the two CBR thresholds and the value of M, as shown in Table 1:
  • the terminal device determines the specific value of M according to the measured CBR and Table 1.
  • Example 2 The terminal device determines the first quantity information M according to the priority.
  • the priority includes the priority of the data to be transmitted in the lateral system, and the priority may be carried by the SCI that schedules the data to be transmitted.
  • the value range of the priority is [0,7].
  • a lower value of the priority indicates a higher priority, and a higher value of the priority indicates a lower priority.
  • a priority value of 0 indicates the highest priority level; a priority value of 7 indicates the lowest priority level.
  • pre-configure or network configure the correspondence between the priority and the value of M; the terminal device determines the value of M according to the priority.
  • pre-configuration or network configuration at least one priority threshold and at least two priority value intervals; and configure the corresponding relationship between at least two priority value intervals and the value of M, and the terminal device The priority and the corresponding relationship determine the value of M.
  • Example 3 The terminal device determines the first quantity information M according to the CBR and the priority.
  • the terminal determines the value of M according to the priority of the data to be transmitted (that is, the priority carried in the SCI) and the CBR measurement result through pre-configuration or network configuration of the corresponding relationship between CBR, priority and the value of M .
  • Example 4 The terminal device determines the first quantity information M according to the energy saving level.
  • two energy saving levels are pre-configured or network-configured, that is, energy-saving level 0 and energy-saving level 1, and the corresponding relationship between the energy-saving level and the value of M is configured.
  • the lower the value of the energy saving level the higher the energy saving level, that is, the more energy saving is required. Therefore, the energy saving level 0 requires more energy saving than the energy saving level 1.
  • Example 5 The terminal device determines the first quantity information M according to the remaining power.
  • the threshold of pre-configured or network-configured remaining power corresponds to at least two remaining power intervals, and the corresponding relationship between the configured threshold of remaining power and the value of M is shown in Table 4 below:
  • the method of selecting M cycles from the cycle set Pre reserve can be implemented by referring to any of the foregoing examples.
  • the floor operation is only an exemplary description, and the present application does not limit the specific operation manner.
  • a Ceil operation that is, an upward rounding operation, may be used.
  • the first quantity information may also be preconfigured or determined according to third configuration information sent by the network device.
  • the period set is preconfigured or determined according to fourth configuration information sent by the network device.
  • the third configuration information and the fourth configuration information may be the same configuration information, for example, resource pool configuration information for indicating resource pool configuration parameters, and the resource pool configuration parameters include period set and/or first quantity information.
  • FIG. 10 shows a schematic flowchart of a frame listening method provided in another embodiment of the present application.
  • the method includes:
  • the network device sends the first indication information to the terminal device
  • the first indication information is used to instruct the terminal device to determine the first quantity information and/or cycle set; the first quantity information and/or cycle set are used to select M cycles, so as to perform frame listening based on M cycles, and obtain frame listening Information, the frame listening information is used to determine resources for sideline transmission; wherein, M is an integer greater than or equal to 1.
  • the terminal device selects M cycles based on the first quantity information and/or the cycle set
  • the first indication information is used to instruct the terminal device to determine the first quantity information based on the first parameter
  • the first parameter includes at least one of the following parameters:
  • the first indication information includes first configuration information
  • the first configuration information is used to determine a first correspondence, and the first correspondence is a correspondence between the first parameter and the first quantity information.
  • the first indication information includes second configuration information
  • the second configuration information is used to determine at least one threshold value, and the at least one threshold value is used to determine the first quantity information in combination with the first parameter.
  • the terminal device determines the first quantity information based on the first correspondence relationship and/or at least one threshold value.
  • the first indication information includes third configuration information and/or fourth configuration information; the third configuration information is used to determine the first quantity information; the fourth configuration information is used to determine the cycle set.
  • the first indication information may also be used to instruct the terminal device to determine the first parameter.
  • the terminal device selects M periods in the period set according to the first quantity information, performs interception based on the selected M periods, obtains interception information, and determines resources for sidelink transmission. Therefore, by determining the first quantity information, a reasonable number of cycles can be selected for listening, which is beneficial to achieve a performance balance between reliability and power consumption reduction.
  • this embodiment of the present application further provides a terminal device 100, referring to FIG. 11 , which includes:
  • the processing module 110 is configured to select M periods in the period set according to the first quantity information, and perform interception based on the M periods to obtain interception information; wherein, M is an integer greater than or equal to 1; the interception information is used for Determine resources for sidetrack transfers.
  • processing module 110 is specifically configured to:
  • the value of M is determined according to the first quantity information, and M periods are selected from the period set.
  • M cycles are selected in the cycle set, including at least one of the following:
  • M cycles are selected from the cycle set.
  • the M periods include the period supported by the terminal device 100 or a multiple of the period supported by the terminal device 100 .
  • the M periods do not include a period whose period value is 0.
  • processing module 110 is also used for:
  • the first parameter includes at least one of the following parameters:
  • processing module 110 is specifically configured to:
  • the first quantity information is determined; wherein, the first correspondence is a correspondence between the first parameter and the first quantity information.
  • the first correspondence is preconfigured or determined according to first configuration information sent by the network device.
  • processing module 110 is specifically configured to:
  • At least one threshold value is preconfigured or determined according to second configuration information sent by the network device.
  • the CBR is obtained by the terminal device 100 measuring the resource pool.
  • the priority is determined according to sidelink control information SCI.
  • the energy saving level is determined according to the terminal type or remaining power of the terminal device 100 .
  • the remaining power is measured by the terminal device 100 .
  • the first quantity information is preconfigured or determined according to third configuration information sent by the network device.
  • the period set is preconfigured or determined according to fourth configuration information sent by the network device.
  • the period set is a resource pool configuration parameter.
  • processing module 110 is specifically configured to:
  • the terminal device 100 determines the listening resource based on M periods
  • the terminal device 100 performs interception based on the interception resource, and obtains interception information.
  • the terminal device 100 in the embodiment of the present application can realize the corresponding functions of the terminal device in the foregoing method embodiments, and the corresponding processes, functions, implementation methods and benefits of each module (submodule, unit or component, etc.) in the terminal device 100
  • each module submodule, unit or component, etc.
  • the functions described by the various modules (submodules, units or components, etc.) in the terminal device 100 in the embodiment of the present application may be implemented by different modules (submodules, units or components, etc.), or may be implemented by the same One module (submodule, unit or component, etc.) realizes, for example, the first sending module and the second sending module can be different modules, also can be the same module, all can realize its in the embodiment of the present application corresponding function.
  • the communication module in the embodiment of the present application may be implemented by a transceiver of the device, and part or all of the other modules may be implemented by a processor of the device.
  • this embodiment of the present application further provides a network device 200, referring to FIG. 12 , which includes:
  • a communication module 210 configured to send first indication information to the terminal device
  • the first indication information is used to instruct the terminal device to determine the first quantity information and/or cycle set; the first quantity information and/or cycle set are used to select M cycles, so as to perform frame listening based on M cycles, and obtain frame listening Information, the frame listening information is used to determine resources for sideline transmission; wherein, M is an integer greater than or equal to 1.
  • the first indication information is used to instruct the terminal device to determine the first quantity information based on the first parameter
  • the first parameter includes at least one of the following parameters:
  • the first indication information includes first configuration information
  • the first configuration information is used to determine a first correspondence, and the first correspondence is a correspondence between the first parameter and the first quantity information.
  • the first indication information includes second configuration information
  • the second configuration information is used to determine at least one threshold value, and the at least one threshold value is used to determine the first quantity information in combination with the first parameter.
  • the first indication information includes third configuration information and/or fourth configuration information; the third configuration information is used to determine the first quantity information; the fourth configuration information is used to determine the cycle set.
  • the network device 200 in the embodiment of the present application can realize the corresponding functions of the terminal device in the foregoing method embodiments, and the corresponding processes, functions, implementation methods and benefits of each module (submodule, unit or component, etc.) in the network device 200
  • each module submodule, unit or component, etc.
  • the functions described by the various modules (submodules, units or components, etc.) in the network device 200 in the embodiment of the present application may be implemented by different modules (submodules, units or components, etc.), or may be implemented by the same One module (submodule, unit or component, etc.) realizes, for example, the first sending module and the second sending module can be different modules, also can be the same module, all can realize its in the embodiment of the present application corresponding function.
  • the communication module in the embodiment of the present application may be implemented by a transceiver of the device, and part or all of the other modules may be implemented by a processor of the device.
  • Fig. 13 is a schematic structural diagram of a communication device 600 according to an embodiment of the application, wherein the communication device 600 includes a processor 610, and the processor 610 can call and run a computer program from a memory to implement the method in the embodiment of the application.
  • the communication device 600 may further include a memory 620 .
  • the processor 610 can invoke and run a computer program from the memory 620, so as to implement the method in the embodiment of the present application.
  • the memory 620 may be an independent device independent of the processor 610 , or may be integrated in the processor 610 .
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, to send information or data to other devices, or to receive information or data sent by other devices .
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of antennas may be one or more.
  • the communication device 600 may be the terminal device of the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the terminal device in the methods of the embodiment of the present application.
  • the communication device 600 may implement the corresponding processes implemented by the terminal device in the methods of the embodiment of the present application. For the sake of brevity, details are not repeated here.
  • the communication device 600 may be the network device of the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application.
  • the communication device 600 may implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application. For the sake of brevity, details are not repeated here.
  • Fig. 14 is a schematic structural diagram of a chip 700 according to an embodiment of the present application, wherein the chip 700 includes a processor 710, and the processor 710 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the chip 700 may further include a memory 720 .
  • the processor 710 can invoke and run a computer program from the memory 720, so as to implement the method in the embodiment of the present application.
  • the memory 720 may be an independent device independent of the processor 710 , or may be integrated in the processor 710 .
  • the chip 700 may also include an input interface 730 .
  • the processor 710 can control the input interface 730 to communicate with other devices or chips, specifically, can obtain information or data sent by other devices or chips.
  • the chip 700 may also include an output interface 740 .
  • the processor 710 can control the output interface 740 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the network device in the various methods of the embodiment of the present application.
  • the chip can implement the corresponding processes implemented by the network device in the various methods of the embodiment of the present application.
  • the chip can be applied to the terminal device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the terminal device in the methods of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the terminal device in the methods of the embodiments of the present application.
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • the processor mentioned above can be a general-purpose processor, a digital signal processor (DSP), an off-the-shelf programmable gate array (FPGA), an application specific integrated circuit (ASIC) or Other programmable logic devices, transistor logic devices, discrete hardware components, etc.
  • DSP digital signal processor
  • FPGA off-the-shelf programmable gate array
  • ASIC application specific integrated circuit
  • the general-purpose processor mentioned above may be a microprocessor or any conventional processor or the like.
  • the aforementioned memories may be volatile memories or nonvolatile memories, or may include both volatile and nonvolatile memories.
  • the non-volatile memory can be read-only memory (read-only memory, ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), electrically programmable Erases programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (RAM).
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is, the memory in the embodiments of the present application is intended to include, but not be limited to, these and any other suitable types of memory.
  • FIG. 15 is a schematic block diagram of a communication system 800 according to an embodiment of the present application.
  • the communication system 800 includes a terminal device 810 and a network device 820 .
  • the terminal device 810 is configured to select M periods in the period set according to the first quantity information, and conduct interception based on the M periods to obtain interception information; wherein, M is an integer greater than or equal to 1; the interception information is used to determine Resources for sidestream transfers.
  • the network device 820 is configured to send first indication information to the terminal device 810, where the first indication information is used to instruct the terminal device 810 to determine the first quantity information and/or the period set.
  • the terminal device 810 may also be used to implement corresponding functions implemented by the terminal device in the methods of the various embodiments of the present application.
  • the network device 820 may be used to implement corresponding functions implemented by the network device in the methods of various embodiments of the present application, such as sending configuration information.
  • the network device 820 may be used to implement corresponding functions implemented by the network device in the methods of various embodiments of the present application, such as sending configuration information.
  • sending configuration information For the sake of brevity, details are not repeated here.
  • all or part of them may be implemented by software, hardware, firmware or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, the processes or functions according to the embodiments of the present application will be generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transferred from a website, computer, server, or data center by wire (such as coaxial cable, optical fiber, digital subscriber line (Digital Subscriber Line, DSL)) or wireless (such as infrared, wireless, microwave, etc.) to another website site, computer, server or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device including a server, a data center, and the like integrated with one or more available media.
  • the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
  • sequence numbers of the above-mentioned processes do not mean the order of execution, and the execution order of the processes should be determined by their functions and internal logic, and should not be used in the embodiments of the present application.
  • the implementation process constitutes any limitation.

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Abstract

La présente demande concerne un procédé d'écoute, un dispositif terminal, un dispositif de réseau, une puce, un support de stockage lisible par ordinateur, un produit-programme d'ordinateur et un programme d'ordinateur. Le procédé comprend : la sélection, par un dispositif terminal, de M périodes dans un ensemble de périodes selon des premières informations de quantité ; et la réalisation, par le dispositif terminal, d'une écoute sur la base des M périodes pour obtenir des informations d'écoute, les informations d'écoute étant utilisées pour déterminer une ressource pour une transmission de liaison latérale. Les modes de réalisation de la présente demande sont avantageux pour réaliser l'équilibrage de performances entre fiabilité et réduction de la consommation d'énergie.
PCT/CN2021/092518 2021-05-08 2021-05-08 Procédé d'écoute, dispositif terminal, dispositif de réseau, puce et support de stockage Ceased WO2022236511A1 (fr)

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PCT/CN2021/092518 WO2022236511A1 (fr) 2021-05-08 2021-05-08 Procédé d'écoute, dispositif terminal, dispositif de réseau, puce et support de stockage

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