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WO2023279258A1 - Procédé de sélection de ressource et dispositif terminal - Google Patents

Procédé de sélection de ressource et dispositif terminal Download PDF

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Publication number
WO2023279258A1
WO2023279258A1 PCT/CN2021/104766 CN2021104766W WO2023279258A1 WO 2023279258 A1 WO2023279258 A1 WO 2023279258A1 CN 2021104766 W CN2021104766 W CN 2021104766W WO 2023279258 A1 WO2023279258 A1 WO 2023279258A1
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WO
WIPO (PCT)
Prior art keywords
resource
terminal device
time
resource selection
resources
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
Application number
PCT/CN2021/104766
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English (en)
Chinese (zh)
Inventor
张世昌
林晖闵
丁伊
赵振山
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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Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202180096749.9A priority Critical patent/CN117121592A/zh
Priority to PCT/CN2021/104766 priority patent/WO2023279258A1/fr
Publication of WO2023279258A1 publication Critical patent/WO2023279258A1/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
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • 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 embodiment of the present application relates to the communication field, and more specifically, relates to a resource selection method and a terminal device.
  • NR-V2X New Radio Vehicle to everything
  • NR-V2X New Radio Vehicle to everything
  • the embodiment of the present application provides a resource selection method and a terminal device.
  • the terminal device can determine the resource selection window corresponding to the re-evaluation mechanism and/or pre-emption mechanism, so that partial interception can be realized.
  • Channel sensing for the re-evaluation mechanism and/or pre-emption mechanism in the listening situation improves system performance while reducing terminal power consumption.
  • a method for resource selection includes:
  • the terminal device obtains the reporting time of the channel listening result corresponding to the target resource selection mechanism, and the target resource selection mechanism includes a re-evaluation mechanism and/or a resource preemption mechanism;
  • the terminal device determines the resource selection window corresponding to the target resource selection mechanism according to the reporting time.
  • a second aspect provides a terminal device configured to execute the method in the first aspect above.
  • the terminal device includes a functional module for executing the method in the first aspect above.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect above.
  • an apparatus for implementing the method in the first aspect above.
  • the device includes: a processor, configured to invoke and run a computer program from a memory, so that a device installed with the device executes the method in the first aspect above.
  • a fifth aspect provides a computer-readable storage medium for storing a computer program, and the computer program causes a computer to execute the method in the first aspect above.
  • a computer program product including computer program instructions, the computer program instructions causing a computer to execute the method in the first aspect above.
  • a computer program which, when running on a computer, causes the computer to execute the method in the first aspect above.
  • the terminal device can determine the resource selection window corresponding to the target resource selection mechanism according to the reporting time of the channel interception result corresponding to the target resource selection mechanism, so that the channel interception for the target resource selection mechanism can be realized in the case of partial interception , improve system performance while reducing terminal power loss.
  • FIG. 1 is a schematic diagram of a communication system architecture applied in an embodiment of the present application.
  • Fig. 2 is a schematic diagram of another communication system architecture applied in the embodiment of the present application.
  • Fig. 3 is a schematic diagram of uplink communication within a network coverage provided by the present application.
  • Fig. 4 is a schematic diagram of partial network coverage side communication provided by the present application.
  • Fig. 5 is a schematic diagram of outbound communication provided by the network coverage provided by the present application.
  • Fig. 6 is a schematic diagram of resource selection in a second mode provided by the present application.
  • Fig. 7 is a schematic diagram of unicast sidelink communication provided by the present application.
  • Fig. 8 is a schematic diagram of multicast sideline communication provided by the present application.
  • Fig. 9 is a schematic diagram of broadcast sideline communication provided by the present application.
  • FIG. 10 is a schematic diagram of resource selection under a re-evaluation mechanism provided by the present application.
  • FIG. 11 is a schematic diagram of resource selection under a resource preemption mechanism provided by the present application.
  • Fig. 12 is a schematic diagram of continuous interception provided by the present application.
  • Fig. 13 is a schematic flowchart of a resource selection method provided according to an embodiment of the present application.
  • Fig. 14 is a schematic diagram of resource interception provided according to an embodiment of the present application.
  • Fig. 15 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
  • Fig. 16 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • Fig. 17 is a schematic block diagram of an apparatus provided according to an embodiment of the present application.
  • Fig. 18 is a schematic block diagram of a communication system provided 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 (STATION, ST) in a 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 assistant (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.
  • PLMN Public Land Mobile Network
  • 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 A network device or a base station (gNB) in a network device or a network device in a future evolved PLMN network or a network device in an NTN network.
  • AP Access Point
  • 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 base station
  • 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
  • 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.
  • predefined or “preconfigured” can be realized by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in devices (for example, including terminal devices and network devices).
  • the application does not limit its specific implementation.
  • pre-defined may refer to defined in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, for example, may include the LTE protocol, the NR protocol, and related protocols applied to future communication systems, which is not limited in the present application.
  • Fig. 1 is a schematic diagram of a communication system to which the embodiment of the present application is applicable.
  • the transmission resources of the vehicle-mounted terminals (vehicle-mounted terminal 121 and vehicle-mounted terminal 122 ) are allocated by the base station 110 , and the vehicle-mounted terminals transmit data on the sidelink according to the resources allocated by the base station 110 .
  • the base station 110 may allocate resources for a single transmission to the terminal, or may allocate resources for semi-static transmission to the terminal.
  • Fig. 2 is a schematic diagram of another communication system to which the embodiment of the present application is applicable.
  • the vehicle-mounted terminals (vehicle-mounted terminal 131 and vehicle-mounted terminal 132 ) autonomously select transmission resources on sidelink resources for data transmission.
  • the vehicle-mounted terminal may select transmission resources randomly, or select transmission resources by listening.
  • side communication according to the network coverage of the communicating terminal, it can be divided into network coverage inner communication, as shown in Figure 3; part of the network coverage side communication, as shown in Figure 4 ; and network coverage outer line communication, as shown in FIG. 5 .
  • Figure 3 In network coverage inner line communication, all terminals performing side line communication are within the coverage of the same base station, thus, the above terminals can all perform side line based on the same side line configuration by receiving configuration signaling from the base station communication.
  • FIG 4 In the case of partial network coverage for sidelink communication, some terminals performing sidelink communication are located within the coverage of the base station. These terminals can receive configuration signaling from the base station and perform sidelink communication according to the configuration of the base station. However, terminals located outside the network coverage cannot receive the configuration signaling from the base station. In this case, the terminals outside the network coverage will use the pre-configuration information and the physical The information carried in the Physical Sidelink Broadcast Channel (PSBCH) determines the sidelink configuration for sidelink communication.
  • PSBCH Physical Sidelink Broadcast Channel
  • Figure 5 For outbound communication under network coverage, all terminals performing side communication are located outside the network coverage, and all terminals determine side communication according to pre-configuration information to perform side communication.
  • Device-to-device communication is a sidelink (Sidelink, SL) transmission technology based on Device to Device (D2D), which is different from the way communication data is received or sent by the base station in traditional cellular systems, so it has Higher spectral efficiency and lower transmission delay.
  • SL Sidelink
  • D2D Device to Device
  • the Internet of Vehicles system adopts the method of terminal-to-terminal direct communication.
  • 3GPP 3rd Generation Partnership Project
  • the first mode the transmission resources of the terminal are allocated by the base station, and the terminal sends data on the sidelink according to the resources allocated by the base station; the base station can allocate resources for a single transmission to the terminal, and can also allocate semi-static transmission to the terminal H. As shown in FIG. 3 , the terminal is located within the coverage of the network, and the network allocates transmission resources for sidelink transmission to the terminal.
  • the second mode the terminal selects a resource from the resource pool for data transmission.
  • the terminal is located outside the coverage of the cell, and the terminal independently selects transmission resources from the pre-configured resource pool for sidelink transmission; or, as shown in Figure 3, the terminal independently selects transmission resources from the resource pool configured by the network Make sideways transfers.
  • resource selection corresponding to the second mode is performed according to the following two steps:
  • Step 1 The terminal takes all available resources in the resource selection window as resource set A.
  • the terminal sends data in some time slots in the listening window but does not listen, all resources of these time slots in the corresponding time slots in the selection window are excluded.
  • the terminal uses the value set of the "resource reservation period (resource reservation period)" field in the resource pool configuration used to determine the corresponding time slot in the selection window.
  • the terminal detects the Physical Sidelink Control Channel (PSCCH) within the listening window, measure the Reference Signal Received Power (RSRP) of the PSCCH or the physical sidelink shared channel scheduled by the PSCCH (Physical Sidelink Shared Channel, PSSCH) RSRP, if the measured RSRP is greater than the sideline RSRP (SL-RSRP) threshold, and the reserved resources are determined according to the resource reservation information in the sideline control information transmitted in the PSCCH In the resource selection window, the corresponding resources are excluded from set A. If the remaining resources in resource set A are less than X% of all resources in resource set A before resource exclusion, raise the SL-RSRP threshold by 3 decibels (dB), and perform step 1 again.
  • RSRP Reference Signal Received Power
  • PSSCH Physical Sidelink Shared Channel
  • the above possible values of X are ⁇ 20, 35, 50 ⁇ , and the terminal determines the parameter X from the value set according to the priority of the data to be sent.
  • the above SL-RSRP threshold is related to the priority carried in the PSCCH sensed by the terminal and the priority of data to be sent by the terminal.
  • the terminal takes the remaining resources after resource exclusion in the set A as a set of candidate resources.
  • Step 2 The terminal randomly selects several resources from the candidate resource set as sending resources for its initial transmission and retransmission.
  • the terminal triggers resource selection or reselection at time slot n, and the resource selection window starts from n+T 1 and ends at n+T 2 .
  • the terminal determines T2 min from the value set according to the priority of the data to be sent. [n+T1,n+T2] is called the resource selection window.
  • the terminal performs resource monitoring from nT 0 to nT proc,0 , and the value of T 0 is 100 or 1100 milliseconds.
  • T proc,0 is 1, 1, 2, 4 time slots. [nT 0 to nT proc,0 ] is called the resource listening window.
  • the second mode is carried out according to the following two steps (Step):
  • Step 1 The physical layer of the terminal excludes resources that are not suitable for sidelink transmission from the resource selection window according to the channel sensing results.
  • the terminal takes all the available resources belonging to the resource pool used by the terminal in the resource selection window as the resource set A, and any resource in the set A is recorded as R(x, y), and x and y indicate the frequency domain position and time domain position of the resource respectively .
  • the initial quantity of resources in collection A is M total .
  • Ptxlg is the number of logical time slots converted from the resource reservation period Ptx of the terminal.
  • Tscal is equal to the value of T2 converted into milliseconds.
  • Step 1-2 If the terminal detects the first sidelink control information transmitted in the PSCCH on the v-th frequency domain resource E(v,m) in the time slot m in the listening window, the terminal measures the PSCCH SL-RSRP or the SL-RSRP of the PSSCH scheduled by the PSCCH (that is, the SL-RSRP of the corresponding PSSCH sent in the same time slot as the PSCCH), if the measured SL-RSRP is greater than the SL-RSRP threshold, and the resources used by the terminal If the resource reservation between transport blocks (Transport block, TB) is activated in the pool, the terminal assumes that the first side row control information with the same content is received in the time slot m+q*Prxlg.
  • Transport block, TB Transport block
  • Tscal is equal to the value of T2 converted into milliseconds.
  • Prxlg is the number of Prx converted into logical time slots, where Prx is the resource reservation period indicated by the "resource reservation period (Resource reservation period)" in the first sideline control information transmitted in the PSCCH sensed by the terminal.
  • the terminal will judge the first sidelink control information received in time slot m and the "time domain resource assignment (Time resource assignment)" and "frequency domain resource assignment (Frequency resource assignment)" domain overlaps with the resource R(x,y+j*Ptxlg), and if so, excludes the corresponding resource R(x,y) from the set A.
  • the above j 0, 1, 2, 3...C-1, C is determined by a random counter (counter) value generated by the terminal.
  • Ptxlg is the number of Ptx converted into logical time slots
  • Ptx is a resource reservation period determined by a terminal performing resource selection.
  • the aforementioned RSRP threshold is determined by the priority P1 carried in the PSCCH sensed by the terminal and the priority P2 of the data to be sent by the terminal.
  • the configuration of the resource pool used by the terminal includes an SL-RSRP threshold table, and the SL-RSRP threshold table includes SL-RSRP thresholds corresponding to all priority combinations.
  • the configuration of the resource pool can be network configuration or pre-configuration. If the remaining resources in resource set A are less than M total *X% after the above resources are excluded, then raise the SL-RSRP threshold by 3dB and re-execute Step 1.
  • the possible value of X is ⁇ 20,35,50 ⁇ , the resources used by the terminal
  • the configuration of the pool includes the corresponding relationship between the priority and the above possible value of X, and the terminal determines the value of X according to the priority of the data to be sent and the corresponding relationship.
  • the physical layer of the terminal reports the resource set A after resource exclusion as a candidate resource set to a higher layer, that is, the Media Access Control (MAC) layer of the terminal.
  • MAC Media Access Control
  • Step 2 The terminal MAC layer randomly selects resources from the reported candidate resource set to send data. That is, the terminal randomly selects a resource from the candidate resource set to send data.
  • New Radio-Vehicle to Everything NR-V2X
  • NR-V2X New Radio-Vehicle to Everything
  • it supports automatic driving, so it puts forward higher requirements for data interaction between vehicles, such as higher throughput, lower Latency, higher reliability, larger coverage, more flexible resource allocation, etc.
  • unicast transmission there is only one terminal at the receiving end, as shown in Figure 7, unicast transmission is performed between UE1 and UE2; for multicast transmission, the receiving end is all terminals in a communication group, or in a certain All terminals within the transmission distance, as shown in Figure 8, UE1, UE2, UE3, and UE4 form a communication group, in which UE1 sends data, and other terminal devices in the group are receiving end terminals; for broadcast transmission mode, its receiving The terminal is any terminal around the transmitting terminal. As shown in FIG. 9 , UE1 is the transmitting terminal, and other terminals around it, UE2-UE6 are all receiving terminals.
  • a resource pool is introduced in the sideline transmission system.
  • the so-called resource pool is a collection of transmission resources. Whether it is the transmission resource configured by the network or the transmission resource independently selected by the terminal, it is a resource in the resource pool.
  • Resource pools can be configured through pre-configuration or network configuration, and one or more resource pools can be configured.
  • the resource pool is further divided into a sending resource pool and a receiving resource pool.
  • the sending resource pool means that the transmission resources in the resource pool are used to send sidelink data;
  • the receiving resource pool means that the terminal receives sidelink data on the transmission resources in the resource pool.
  • LTE-V2X when a terminal selects transmission resources, it will send data on these resources. However, there may be two terminals that select the same transmission resources. At this time, resource conflicts will occur and system performance will be reduced.
  • the resource preemption (pre-emption) mechanism and re-evaluation (re-evaluation) mechanism are introduced in NR-V2X, so that the terminal can determine whether there is a resource conflict with other terminals before using the selected resource. If there is no conflict, you can continue Using the selected transmission resources, if there is a resource conflict, it is necessary to perform avoidance and resource reselection according to the corresponding mechanism to avoid resource conflict.
  • NR-V2X supports the re-evaluation mechanism. After the terminal completes resource selection, 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 not indicated resources at least once.
  • resources w, x, y, z, and v are time-frequency resources selected by the terminal, and resource x is located in time slot m.
  • resources y and z that the terminal is about to send sidelink control information on resource x for the first time indication (resource x has been indicated by the sidelink control information in resource w before).
  • the terminal performs resource monitoring at least once in the time slot mT3 , that is, determines the resource selection window and the listening window, and performs resource exclusion on the resources in the resource selection window to obtain a candidate resource set.
  • the terminal If resource y or z is not in the candidate resource set, the terminal 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.
  • the above T3 depends on the processing capability of the terminal.
  • NR-V2X supports the resource preemption (pre-emption) mechanism, that is, the resource preemption mechanism.
  • preemption resource preemption
  • the conclusions about the resource preemption (pre-emption) mechanism are described from the perspective of the preempted terminal.
  • the terminal After the resource selection is completed, the terminal still continues to listen to the sidelink control information. If the time-frequency resources that have been selected and indicated by sending the sidelink control information meet the following three conditions, resource reselection is triggered:
  • the resources reserved in the intercepted sidewalk control information overlap with the resources selected and indicated by the terminal, including full overlap and partial overlap;
  • the RSRP of the PSCCH corresponding to the sidelink control information detected by the terminal or the RSRP of the PSSCH scheduled by the PSCCH is greater than the SL RSRP threshold;
  • the priority carried in the intercepted sidewalk control information is higher than the priority of the data to be sent by the terminal.
  • resources w, x, y, z, and v are time-frequency resources selected by the terminal, and resource x is located in time slot m.
  • the terminal performs resource sensing at least once in time slot mT 3 to determine a set of candidate resources.
  • 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 yes, the terminal executes resource re-selection of time-frequency resources in x and y that meet the above three conditions.
  • the terminal needs to perform resource selection based on periodic partial interception and/or continuous partial interception.
  • periodic partial listening the terminal determines the corresponding listening time slot according to the Y time slots determined in the resource selection window and the resource reservation period set M or a subset of M in the resource pool configuration.
  • resource exclusion for the resources in the above-mentioned at least Y time slots.
  • Step 1 Select resources to send data from the resources that are not excluded.
  • the resource reservation period set M in the resource pool configuration it uses includes periods P 1 , P 2 and P 3 .
  • the terminal determines the listening time slots in the resource listening window as t 1 -P 1 to ty -P 1 , t 1 -P 2 to ty -P 2 and t 1 -P 3 to ty -P 3 . That is, according to the Y time slots and each resource reservation period, the corresponding time slot belonging to the latest period of the resource listening window is determined.
  • the terminal When the terminal performs resource selection or reselection in time slot n, it will at least exclude the resources in the above Y time slots based on the listening results and/or unheard time slots in the time slots determined in the above resource listening window, For example, exclude according to Step 1, and finally select resources from the remaining resources in the Y time slots to send data.
  • the terminal also needs to perform continuous partial sensing (Contiguous Partial Sensing) for aperiodic resource reservation and resource reservation with a small period. If the terminal triggers the continuous part of monitoring in time slot n, the terminal needs to continuously monitor the time slots between TA and TB. According to the interception results in [n+TA,n+TB] and/or unintercepted time slots, exclude the resources in the above-mentioned at least Y time slots to obtain a candidate resource set, and select transmission resources from the candidate resource set .
  • continuous partial sensing Contiguous Partial Sensing
  • NR-V2X for a terminal that performs partial interception, re-evaluation or pre-emption needs to be performed on resources that have been selected or reserved. However, how should the terminal determine the interception for re-evaluation or pre-emption confirmation The time frame is an unresolved issue.
  • this application proposes a resource selection scheme.
  • the terminal device can determine the resource selection window corresponding to the re-evaluation mechanism and/or pre-emption mechanism, so that partial interception can be realized.
  • the channel sensing of the re-evaluation mechanism and/or the pre-emption mechanism can improve system performance while reducing terminal power consumption.
  • FIG. 13 is a schematic flowchart of a method 200 for resource selection according to an embodiment of the present application.
  • the resource selection method 200 may include at least part of the following content:
  • the terminal device obtains the reporting time of the channel listening result corresponding to the target resource selection mechanism, the target resource selection mechanism includes a re-evaluation mechanism and/or a resource preemption mechanism;
  • the terminal device determines a resource selection window corresponding to the target resource selection mechanism according to the reporting time.
  • the terminal device can determine the resource selection window corresponding to the target resource selection mechanism according to the reporting time of the channel interception result corresponding to the target resource selection mechanism, so that the channel for the target resource selection mechanism can be realized in the case of partial interception. Listening, improving system performance while reducing terminal power consumption.
  • the terminal device may obtain the reporting time of the channel sensing result corresponding to the target resource selection mechanism from the MAC layer of the terminal device.
  • the terminal device can also obtain the reporting time of the channel monitoring result corresponding to the target resource selection mechanism through some other means, for example, the terminal device sends a system message through the network device to obtain the channel monitoring result corresponding to the target resource selection mechanism The reporting time of the results.
  • the physical layer of the terminal device may obtain the reporting time of the channel sensing result corresponding to the target resource selection mechanism from the MAC layer of the terminal device.
  • the terminal device determines the resource selection window according to the reporting time, the first time and the second time.
  • the terminal device determines that the resource selection window is [T r +T 1 , T r +T 2 ];
  • T r represents the reporting time
  • T 1 represents the first time
  • T 2 represents the second time
  • r 0 ′′ represents the smallest time unit index value in the time unit where the resource is located in the resource set corresponding to the target resource selection mechanism, Indicates a parameter determined by the subcarrier spacing on the sidelink carrier.
  • the resource set corresponding to the target resource selection mechanism is indicated by the MAC layer of the terminal device.
  • ⁇ SL in Table 1 indicates the subcarrier spacing index on the sidelink carrier
  • the subcarrier spacing on the sidelink carrier is 30kHz
  • the target resource selection mechanism includes a re-evaluation mechanism and a resource preemption mechanism
  • the resource set corresponding to the re-evaluation mechanism is (r 0 , r 1 , r 2 , L)
  • resource preemption The resource set corresponding to the mechanism is (r 0 ′,r 1 ′,r 2 ′,L), then r 0 ′′ means (r 0 ,r 1 ,r 2 ,L) and (r 0 ′,r 1 ′,r 2 ′, L) the smallest time slot index value in the time slot where the resource is located.
  • r 0 ′′ time slot 8, timeslot, then That is, the reporting time of the channel sensing result corresponding to the re-evaluation mechanism is time slot 3.
  • T 2min ⁇ T 2 ⁇ d In some embodiments, T 2min ⁇ T 2 ⁇ d;
  • T 2min represents a preconfigured parameter, or, T 2min represents a parameter configured by a network device, and d represents a remaining packet delay budget (remaining packet delay budget).
  • d is indicated by the MAC layer of the terminal device according to the service attribute.
  • the value of T r +T 2 is not less than the index of the time unit where the last resource in the resource set corresponding to the target resource selection mechanism is located.
  • the reporting time is indicated by the MAC layer of the terminal device. That is, the terminal device may obtain the reporting time of the channel sensing result corresponding to the target resource selection mechanism from the MAC layer of the terminal device.
  • the reporting time is indicated by the MAC layer of the terminal device at the target time T s .
  • r 0 ′′ represents the smallest time unit index value in the time unit where the resource is located in the resource set corresponding to the target resource selection mechanism, Indicates a parameter determined by the subcarrier spacing on the sidelink carrier.
  • T s r 0 ′′-31, so as to ensure that the physical layer of the terminal device has enough time for channel sensing.
  • the terminal device listens to time unit n 1 -P rsvp ;
  • P rsvp represents the resource reservation period in the resource reservation period set in the resource pool configuration
  • P rsvp represents a subset of the resource reservation period set in the resource pool configuration
  • T s indicates the time when the MAC layer of the terminal device indicates the reporting time
  • T 0 indicates that the physical layer of the terminal device obtains the resource selection or resource reselection instruction from the MAC layer of the terminal device to execute according to the instruction The time required for channel listening.
  • T 0 has a value of 0 or 1.
  • T 0 is pre-configured or agreed by a protocol, or T 0 is configured by a network device.
  • the subset of the resource reservation period set is pre-configured or agreed upon by an agreement, or, the subset of the resource reservation period set is configured by a network device.
  • the terminal device listens to the time unit n 1 -P rsvp .
  • the end device listens to The time unit within the resource selection window is obtained by the resources reserved by the sidelink control information (Sidelink Control Information, SCI) for retransmission of the same transport block;
  • SCI Sidelink Control Information
  • Tr represents the reporting time
  • T1 represents the first time
  • the value of is determined by the subcarrier spacing on the sidelink carrier.
  • the time unit is a time slot
  • the subcarrier spacing on the sidelink carrier is 30kHz
  • P rsvp is P 1 and P 2
  • the terminal device listens to Time units n 1 -P 1 and n 1 -P 2 . Further, the terminal device can continuously monitor (that is, the time unit in the continuous listening range in FIG. 14 ), the resource reserved by the SCI in the resource selection window for retransmission of the same transport block is obtained.
  • the terminal device performs resource exclusion within the resource selection window according to the interception result
  • the terminal device indicates re-evaluation to its MAC layer;
  • the terminal device In the case that the remaining resources in the resource selection window do not include resources in the resource set corresponding to the resource preemption mechanism, the terminal device indicates resource preemption to its MAC layer.
  • the terminal device determines Y time units from within the resource selection window, where the Y time units include time units where resources in the resource set corresponding to the target resource selection mechanism are located, and Y is a positive integer.
  • the value of Y is not less than Y min , and Y min represents the minimum number of candidate time units that need to be guaranteed when the terminal device performs partial interception.
  • Y min is pre-configured or agreed in a protocol, or Y min is configured by a network device.
  • the Y time units further include at least one time unit within the resource selection window other than the time unit in which the resources in the resource set corresponding to the target resource selection mechanism are located.
  • Y time units include additional time units depends on the implementation of the terminal.
  • the terminal device listens to time unit n 2 -P rsvp ;
  • P rsvp represents the resource reservation period in the resource reservation period set in the resource pool configuration
  • P rsvp represents a subset of the resource reservation period set in the resource pool configuration
  • T s indicates the time when the MAC layer of the terminal device indicates the reporting time
  • T 0 indicates that the physical layer of the terminal device obtains the resource selection or resource reselection instruction from the MAC layer of the terminal device to execute according to the instruction The time required for channel listening.
  • the terminal device listens to the time unit n 2 -P rsvp .
  • the end device listens to The time unit within the Y time unit is used to obtain the resource reserved by the SCI for retransmission of the same transport block among the resources contained in the Y time unit;
  • T r represents the reporting time
  • Y 0 represents the first time unit in the Y time units
  • T 0 has a value of 0 or 1.
  • T 0 is pre-configured or agreed by a protocol, or T 0 is configured by a network device.
  • the value of is determined by the subcarrier spacing on the sidelink carrier.
  • the terminal device performs resource exclusion in the resources included in the Y time units according to the interception result
  • the terminal device indicates re-evaluation to its MAC layer;
  • the terminal device In the case that the remaining resources included in the Y time units do not include resources in the resource set corresponding to the resource preemption mechanism, the terminal device indicates resource preemption to its MAC layer.
  • the time unit includes but is not limited to one of the following:
  • This application provides a scheme for a terminal working under discontinuous sensing to perform channel sensing for a target resource selection mechanism (ie, re-evaluation and/or pre-emption).
  • the physical layer of the terminal device first determines the reporting time of the channel detection result for the target resource selection mechanism, and then determines the resource selection window for the channel detection of the target resource selection mechanism according to the reporting time, or determines the channel for the target resource selection mechanism Y time units for listening, wherein Y time units should include the time slot where the resource set targeted by the target resource selection mechanism is located.
  • the terminal device further determines a time slot for partial monitoring according to the determined resource selection window or Y time units, performs channel monitoring, and reports the monitoring result to the MAC layer.
  • the embodiments of the present application can effectively implement channel sensing for a re-evaluation mechanism and/or a pre-emption mechanism in a partial sensing situation, and improve system performance while reducing terminal power consumption.
  • the terminal device can determine the resource selection window corresponding to the target resource selection mechanism according to the reporting time of the channel interception result corresponding to the target resource selection mechanism, so that the target resource selection mechanism can be implemented in the case of partial interception.
  • the channel detection can improve the system performance while reducing the power loss of the terminal.
  • Fig. 15 shows a schematic block diagram of a terminal device 300 according to an embodiment of the present application.
  • the terminal device 300 includes:
  • the communication unit 310 is configured to obtain the reporting time of the channel listening result corresponding to the target resource selection mechanism, the target resource selection mechanism includes a re-evaluation mechanism and/or a resource preemption mechanism;
  • the processing unit 320 is configured to determine a resource selection window corresponding to the target resource selection mechanism according to the reporting time.
  • the processing unit 320 is specifically used for:
  • the resource selection window is determined according to the reporting time, the first time and the second time.
  • the processing unit 320 is specifically used for:
  • T r represents the reporting time
  • T 1 represents the first time
  • T 2 represents the second time
  • r 0 ′′ represents the smallest time unit index value in the time unit where the resource is located in the resource set corresponding to the target resource selection mechanism, Indicates a parameter determined by the subcarrier spacing on the sidelink carrier.
  • T 2min ⁇ T 2 ⁇ d In some embodiments, T 2min ⁇ T 2 ⁇ d;
  • T 2min represents a pre-configured parameter, or, T 2min represents a parameter configured by a network device, and d represents a remaining delay requirement.
  • d is indicated by the medium access control MAC layer of the terminal device according to the service attribute.
  • the value of T r +T 2 is not less than the index of the time unit where the last resource in the resource set corresponding to the target resource selection mechanism is located.
  • the reporting time is indicated by the MAC layer of the terminal device.
  • the reporting time is indicated by the MAC layer of the terminal device at the target time T s .
  • r 0 ′′ represents the smallest time unit index value in the time unit where the resource is located in the resource set corresponding to the target resource selection mechanism, Indicates a parameter determined by the subcarrier spacing on the sidelink carrier.
  • the resource set corresponding to the target resource selection mechanism is indicated by the MAC layer of the terminal device.
  • the processing unit 320 is further configured to monitor time unit n 1 -P rsvp ;
  • P rsvp represents the resource reservation period in the resource reservation period set in the resource pool configuration
  • P rsvp represents a subset of the resource reservation period set in the resource pool configuration
  • T s indicates the time when the MAC layer of the terminal device indicates the reporting time
  • T 0 indicates that the physical layer of the terminal device obtains the resource selection or resource reselection instruction from the MAC layer of the terminal device to execute according to the instruction The time required for channel listening.
  • the processing unit 320 is specifically used for:
  • periodic resource reservation In the case that periodic resource reservation is configured in the resource pool or the terminal device is performing periodic partial interception, it listens to the time unit n 1 -P rsvp .
  • the processing unit 320 is also used to intercept The time unit within the resource selection window is obtained from the resources reserved by the sideline control information SCI for the retransmission of the same transport block;
  • T r represents the reporting time
  • T 1 represents the first time
  • the processing unit 320 is further configured to perform resource exclusion within the resource selection window according to the interception result
  • the communication unit 310 is further configured to indicate re-evaluation to its MAC layer; or,
  • the communication unit 310 is further configured to indicate resource preemption to its MAC layer.
  • the processing unit 320 is further configured to determine Y time units from within the resource selection window, where the Y time units include the time units where the resources in the resource set corresponding to the target resource selection mechanism are located, and Y is positive integer.
  • the value of Y is not less than Y min , and Y min represents the minimum number of candidate time units that need to be guaranteed when the terminal device performs partial interception.
  • Y min is pre-configured or agreed in a protocol, or Y min is configured by a network device.
  • the Y time units further include at least one time unit within the resource selection window other than the time unit in which the resources in the resource set corresponding to the target resource selection mechanism are located.
  • the processing unit 320 is also configured to listen to time unit n 2 -P rsvp ;
  • P rsvp represents the resource reservation period in the resource reservation period set in the resource pool configuration
  • P rsvp represents a subset of the resource reservation period set in the resource pool configuration
  • T s indicates the time when the MAC layer of the terminal device indicates the reporting time
  • T 0 indicates that the physical layer of the terminal device obtains the resource selection or resource reselection instruction from the MAC layer of the terminal device to execute according to the instruction The time required for channel listening.
  • the processing unit 320 is specifically used for:
  • the interception time unit n 2 -P rsvp is performed.
  • the processing unit 320 is also used to intercept Time units within the Y time units, obtaining the resources reserved by the sideline control information SCI for retransmission of the same transport block among the resources contained in the Y time units;
  • T r represents the reporting time
  • Y 0 represents the first time unit in the Y time units
  • T 0 has a value of 0 or 1.
  • T 0 is pre-configured or agreed by a protocol, or T 0 is configured by a network device.
  • the value of is determined by the subcarrier spacing on the sidelink carrier.
  • the processing unit 320 is further configured to perform resource exclusion in the resources included in the Y time units according to the interception result;
  • the communication unit 310 is further configured to indicate re-evaluation to its MAC layer; or,
  • the communication unit 310 is further configured to indicate resource preemption to its MAC layer.
  • the time unit includes one of the following:
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • the terminal device 300 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 300 are respectively in order to realize the For the sake of brevity, the corresponding flow of the terminal device in the resource selection method 200 is not repeated here.
  • FIG. 16 is a schematic structural diagram of a communication device 400 provided by an embodiment of the present application.
  • the communication device 400 shown in FIG. 16 includes a processor 410, and the processor 410 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 400 may further include a memory 420 .
  • the processor 410 can invoke and run a computer program from the memory 420, so as to implement the method in the embodiment of the present application.
  • the memory 420 may be an independent device independent of the processor 410 , or may be integrated in the processor 410 .
  • the communication device 400 may further include a transceiver 430, and the processor 410 may control the transceiver 430 to communicate with other devices, specifically, to send information or data to other devices, or Receive messages or data from other devices.
  • the transceiver 430 may include a transmitter and a receiver.
  • the transceiver 430 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 400 may specifically be the terminal device in the embodiment of the present application, and the communication device 400 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, the Let me repeat.
  • Fig. 17 is a schematic structural diagram of a device according to an embodiment of the present application.
  • the apparatus 500 shown in FIG. 17 includes a processor 510, and the processor 510 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the device 500 may further include a memory 520 .
  • the processor 510 can invoke and run a computer program from the memory 520, so as to implement the method in the embodiment of the present application.
  • the memory 520 may be an independent device independent of the processor 510 , or may be integrated in the processor 510 .
  • the device 500 may further include an input interface 530 .
  • the processor 510 can control the input interface 530 to communicate with other devices or chips, specifically, can obtain information or data sent by other devices or chips.
  • the device 500 may further include an output interface 540 .
  • the processor 510 can control the output interface 540 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
  • the device can be applied to the network device in the embodiments of the present application, and the device can implement the corresponding processes implemented by the network device in the methods of the embodiments of the present application. For the sake of brevity, details are not repeated here.
  • the device can be applied to the terminal device in the embodiment of the present application, and the device can implement the corresponding process 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.
  • the device mentioned in the embodiment of the present application may also be a chip.
  • it may be a system-on-a-chip, a system-on-a-chip, a system-on-a-chip, or a system-on-a-chip.
  • FIG. 18 is a schematic block diagram of a communication system 600 provided by an embodiment of the present application. As shown in FIG. 18 , the communication system 600 includes a terminal device 610 and a network device 620 .
  • the terminal device 610 can be used to realize the corresponding functions realized by the terminal device in the above method
  • the network device 620 can be used to realize the corresponding functions realized by the network device in the above method, for the sake of brevity, no longer repeat.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above-mentioned method embodiments may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Program logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, and the like.
  • the steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a nonvolatile memory, 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), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • the volatile memory can be Random Access Memory (RAM), which acts as external cache memory.
  • RAM Static Random Access Memory
  • SRAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • 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
  • Synchlink DRAM, SLDRAM Direct Memory Bus Random Access Memory
  • Direct Rambus RAM Direct Rambus 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.
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, I won't repeat them here.
  • the computer-readable storage medium can be applied to the terminal device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the terminal device in each method of the embodiment of the present application. For the sake of brevity, I won't repeat them here.
  • the embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For brevity, This will not be repeated here.
  • the computer program product can be applied to the terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the terminal device in the methods of the embodiments of the present application.
  • the computer program instructions cause the computer to execute the corresponding processes implemented by the terminal device in the methods of the embodiments of the present application.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application, and when the computer program is run on the computer, the computer executes the corresponding process implemented by the network device in each method of the embodiment of the present application, For the sake of brevity, details are not repeated here.
  • the computer program can be applied to the terminal device in the embodiment of the present application.
  • the computer program executes the corresponding process 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.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to realize the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disc and other media that can store program codes. .

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Abstract

Des modes de réalisation de la présente demande concernent un procédé de de sélection de ressource et un dispositif terminal. Lorsqu'il se produit une interception partielle, un dispositif terminal peut déterminer une fenêtre de sélection de ressource correspondant à un mécanisme de réévaluation et/ou à un mécanisme de préemption, de sorte que la surveillance de canal pour le mécanisme de réévaluation et/ou le mécanisme de préemption peut être mise en œuvre pendant une interception partielle. Ainsi, les performances du système sont améliorées tandis que la perte de puissance d'un terminal est réduite. Le procédé de sélection de ressource comprend les étapes suivantes : un dispositif terminal acquiert le temps de rapport d'un résultat d'interception de canal correspondant à un mécanisme de sélection de ressource cible, le mécanisme de sélection de ressource cible comprenant un mécanisme de réévaluation et/ou un mécanisme de préemption de ressource ; et conformément au temps de rapport, le dispositif terminal détermine une fenêtre de sélection de ressource correspondant au mécanisme de sélection de ressource cible.
PCT/CN2021/104766 2021-07-06 2021-07-06 Procédé de sélection de ressource et dispositif terminal Ceased WO2023279258A1 (fr)

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Citations (3)

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Publication number Priority date Publication date Assignee Title
WO2019091143A1 (fr) * 2017-11-08 2019-05-16 Oppo广东移动通信有限公司 Procédé de configuration de ressources en communication dispositif à dispositif (d2d), dispositif de terminal et dispositif de réseau
CN111526539A (zh) * 2018-02-14 2020-08-11 Oppo广东移动通信有限公司 资源上报的方法、终端设备和网络设备
CN111565405A (zh) * 2017-11-08 2020-08-21 Oppo广东移动通信有限公司 D2d通信中资源配置的方法、终端设备和网络设备

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019091143A1 (fr) * 2017-11-08 2019-05-16 Oppo广东移动通信有限公司 Procédé de configuration de ressources en communication dispositif à dispositif (d2d), dispositif de terminal et dispositif de réseau
CN111565405A (zh) * 2017-11-08 2020-08-21 Oppo广东移动通信有限公司 D2d通信中资源配置的方法、终端设备和网络设备
CN111526539A (zh) * 2018-02-14 2020-08-11 Oppo广东移动通信有限公司 资源上报的方法、终端设备和网络设备

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