WO2022214018A1 - Procédé et dispositif de sélection de ressource de liaison latérale, terminal et support de stockage - Google Patents

Procédé et dispositif de sélection de ressource de liaison latérale, terminal et support de stockage Download PDF

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Publication number
WO2022214018A1
WO2022214018A1 PCT/CN2022/085482 CN2022085482W WO2022214018A1 WO 2022214018 A1 WO2022214018 A1 WO 2022214018A1 CN 2022085482 W CN2022085482 W CN 2022085482W WO 2022214018 A1 WO2022214018 A1 WO 2022214018A1
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Prior art keywords
detection
periodic
data
resource selection
resource
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PCT/CN2022/085482
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English (en)
Chinese (zh)
Inventor
王欢
纪子超
彭淑燕
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维沃移动通信有限公司
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Publication of WO2022214018A1 publication Critical patent/WO2022214018A1/fr

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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • 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 belongs to the field of communication technologies, and in particular relates to a sidelink resource selection method, device, terminal and storage medium.
  • New Radio (NR) sidelink (sidelink, SL, or translated as secondary link, side link, side link, etc.)
  • NR New Radio
  • UE User Equipment
  • the UE selects the available transmission resources in the (pre)configured resource pool. The resources used for transmission are randomly selected in the resource set.
  • the TX UE will perform resource reservation/indication for its allocated resources (reservation is divided into periodic reservation and aperiodic reservation), and the reserved resources are for future monitoring of physical sidelinks Used for control channel (Physical Sidelink Control Channel, PSCCH)/Physical Sidelink Shared Channel (Physical Sidelink Shared Channel, PSSCH) transmission.
  • the UE needs to consider at least one of the continuous monitoring result and the periodic monitoring result when making resource selection. For periodic partial detection, when the UE selects resources, it needs to determine Y candidate time slots in the resource selection window; for continuous/aperiodic partial detection, before the UE determines the candidate resource set, it needs to perform continuity
  • the size of the monitoring window is determined by T A and T B.
  • the resource selection window can appear after the continuous detection window, and the resource selection will be carried out in the selection window.
  • NR data transmission delay requirements are relatively variable.
  • UEs in the related art cannot adapt to the variable delay requirements of NR data transmission when making resource selection.
  • the UE consumes a lot of power and cannot guarantee that the terminal can select transmission resources.
  • the embodiments of the present application provide a method, device, terminal, and storage medium for selecting sidelink resources, which can solve the problem that in the related art, when the UE selects resources, the UE consumes a lot of power and cannot adapt to the variable delay requirement of NR data transmission. , there is no guarantee that the terminal can select the transmission resource.
  • a method for selecting sidelink resources includes:
  • the terminal performs periodic part detection according to the characteristics of data transmission and/or preset rules, and/or the terminal performs continuous or aperiodic part detection according to the characteristics of data transmission and/or preset rules;
  • the terminal selects resources according to the characteristics of data transmission and/or preset rules.
  • a sidelink resource selection apparatus comprising:
  • a resource detection unit configured to perform periodic partial detection according to the characteristics of data transmission and/or preset rules, and/or perform continuous or aperiodic partial detection according to characteristics of data transmission and/or preset rules
  • the resource selection unit is used for resource selection according to the characteristics of data transmission and/or preset rules.
  • a terminal in a third aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor.
  • a terminal including a processor and a communication interface, wherein the processor is configured to perform periodic partial detection according to characteristics of data transmission and/or preset rules, and/or, according to characteristics of data transmission and/or preset rules for continuous or aperiodic partial detection; the processor is further configured to select resources according to the characteristics of data transmission and/or preset rules.
  • a fifth aspect provides a readable storage medium, on which a program or an instruction is stored, and when the program or instruction is executed by a processor, the method for selecting a side link resource according to the first aspect is implemented. step.
  • a chip in a sixth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the side-by-side as described in the first aspect. Link resource selection method.
  • a computer program/program product is provided, the computer program/program product is stored in a non-transitory storage medium, and the program/program product is executed by at least one processor to implement the first aspect The steps of the side link resource selection method.
  • the terminal performs periodic part detection according to the characteristics of data transmission and/or preset rules, and/or performs continuous/aperiodic part detection, and performs periodic part detection according to the characteristics of data transmission and/or preset rules
  • the rules for resource selection can meet the variable delay requirements of NR data transmission, improve the UE energy saving level, and at the same time ensure the reliability and effectiveness of data transmission.
  • FIG. 1 is a schematic diagram of a wireless communication system to which an embodiment of the present application can be applied;
  • FIG. 2 is a schematic flowchart of a sidelink resource selection method provided by an embodiment of the present application
  • FIG. 3 is a schematic diagram of a window length requirement for continuity detection provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a distance requirement between the starting position of the continuous detection window and the starting position of the resource selection window provided by an embodiment of the present application;
  • FIG. 5 is a schematic diagram of a distance requirement from a resource selection trigger time to a start position of a resource selection window according to an embodiment of the present application
  • FIG. 6 is a schematic diagram of a distance requirement from a starting position of a continuous detection window to an alternative time slot provided by an embodiment of the present application
  • FIG. 7 is a schematic diagram of a distance requirement between a resource selection trigger time and an alternative time slot provided by an embodiment of the present application.
  • Fig. 8 is a schematic diagram of the distance requirement between the continuous detection trigger moment and the resource selection trigger moment provided by the embodiment of the present application;
  • FIG. 9 is a schematic structural diagram of a sidelink resource selection apparatus provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 11 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the description below, but the techniques are also applicable to applications other than NR system applications, such as 6th generation (6th generation ) Generation, 6G) communication system.
  • 6th generation 6th generation
  • 6G 6th generation
  • FIG. 1 is a schematic diagram of a wireless communication system to which an embodiment of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: smart watches, bracelets, headphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms.
  • the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • TX UE first determines the resource selection window after the resource selection is triggered.
  • the lower boundary of the resource selection window is at the time T1 after the resource selection is triggered, and the upper boundary of the resource selection is at the time T2 after the trigger, where T1 is realized by the UE.
  • the mode is selected within a range of [T1_min, T1_max], T2 is the value selected by the UE implementation mode in the remaining packet delay budget (PDB) transmitted by its transport block (Transport Block, TB), T2 is not earlier than T1, and the minimum value of T2 is limited by T2_min.
  • PDB packet delay budget
  • the UE Before resource selection, the UE needs to determine a candidate resource set (candidate resource set) for resource selection, wherein the number of candidate resource sub-channels is determined by the Media Access Control (MAC) layer;
  • MAC Media Access Control
  • the UE estimates the Reference Signal Receiving Power (RSRP) measurement value on the resources in the resource selection window (for example, by monitoring the Physical Sidelink Control Channel (PSCCH)/Physical Sidelink Sharing Channel (Physical Sidelink Shared Channel, PSSCH) estimation) is compared with the corresponding RSRP threshold, if the RSRP is higher than the RSRP threhold, the resource is excluded from the resource and cannot be included in the alternative resource set;
  • PSCCH Physical Sidelink Control Channel
  • PSSCH Physical Sidelink Shared Channel
  • the remaining resources in the resource selection window form an alternative resource set
  • the resources in the candidate resource set should account for no less than x% of the resources in the resource selection window. If it is less than x%, the RSRP threshold needs to be increased according to the step value (such as 3dB), and then the resource exclusion is performed. Operate until no less than the x% of resources can be selected. In addition, the RSRP comparison is related to the priority of the TB to be transmitted and the priority value demodulated on the PSCCH, and the specific process is not repeated.
  • the UE After the candidate resource set is determined, the UE randomly selects transmission resources in the candidate resource set, and the number of the selected resources is determined according to the decision of the MAC layer. In addition, the UE may reserve transmission resources for the next transmission during the current transmission.
  • Periodic-based partial sensing is applicable when the resource pool has periodic resource reservation enabled.
  • the UE selects resources, it needs to determine Y candidate time slots in the resource selection window (the minimum value of Y is configured/pre-configured), and each time slot in the Y candidate time slots should have periodicity monitoring results.
  • the UE is required to The first k cycles are monitored to obtain periodic monitoring results.
  • the time slots that the UE needs to monitor are:
  • P reserve is a period value, which is one or more configuration values, and each period k corresponds to one or more P reserve .
  • Contiguous partial sensing is applicable when resource pooling is enabled and/or periodic resource reservation is not enabled.
  • the UE selects resources, before the UE determines the set of candidate resources, it needs to perform continuous channel monitoring, and the size of the monitoring window is determined by TA and TB .
  • the UE needs to consider at least one of the continuous monitoring result and the periodic monitoring result when making resource selection.
  • the detection mechanism of the continuity part also involves the location of resource selection.
  • the resource selection window can appear after the continuous detection window, and the resource selection will be performed in the selection window; will be performed on alternate time slots. It is worth noting that whether the 'position of resource selection' is named as a resource selection window or an alternative time slot, it is a time position in which resource selection can occur, and there is no essential difference.
  • Periodic part detection NR SL has periodic and aperiodic transmission.
  • the transmission period is also a variable size period.
  • the UE will often perform periodic partial detection operations. , which will increase the power consumption of the UE.
  • the data transmission delay requirements of NR are more variable, and the typical delay requirements are from 3ms to 100ms.
  • the Y alternative time slot settings should be suitable for variable delay requirements to ensure that the UE can select transmission resources.
  • Aperiodic partial detection Whether it is the setting of the detection window, or the setting of the selection window, it should be suitable for variable delay requirements. In addition, the design of the selection window should consider the time range of the aperiodic reservation as much as possible, so as to ensure that the UE can detect as many aperiodic resource reservations as possible.
  • the embodiments of the present application provide a method for selecting sidelink resources , devices, terminals and storage media.
  • FIG. 2 is a schematic flowchart of a method for selecting a sidelink resource according to an embodiment of the present application. As shown in FIG. 2 , the method includes:
  • Step 200 the terminal performs periodic part detection according to the characteristics of data transmission and/or preset rules, and/or, the terminal performs continuous or aperiodic part detection according to the characteristics of data transmission and/or preset rules;
  • the terminal performs periodic partial detection according to the characteristics of data transmission and/or preset rules, and/or the terminal performs continuous or aperiodic detection according to the characteristics of data transmission and/or preset rules Partial detection, thereby appropriately relaxing the periodic detection time requirement and/or the aperiodic detection time requirement.
  • Step 201 The terminal selects resources according to the characteristics of data transmission and/or preset rules.
  • the terminal performs periodic part detection according to the characteristics of data transmission and/or preset rules, and/or performs continuous/aperiodic part detection, and performs periodic part detection according to the characteristics of data transmission and/or preset rules
  • the rules for resource selection can meet the variable delay requirements of NR data transmission, improve the UE energy saving level, and at the same time ensure the reliability and effectiveness of data transmission.
  • the periodic partial detection according to the characteristics of data transmission and/or preset rules includes at least one of the following:
  • LCH Logical Channel
  • the periodic detection operation is performed according to at least one of the QoS of the TB, the LCH of the data to be transmitted, and the system load.
  • the QoS includes at least one of parameters such as priority/(remaining) PDB/latency.
  • performing the periodic detection operation according to the QoS of the TB includes at least one of the following:
  • the QoS of the TB determine whether it is necessary to meet the requirements of the periodic detection time
  • the period value set configuration for periodic monitoring is determined.
  • the periodic detection time is one of the candidate time slots, k represents the period, and p is the period value.
  • the periodic monitoring period value set configuration (configured set of possible resource reservation periods) is determined according to the QoS of the TB.
  • determining whether to meet the requirement of periodic detection time includes at least one of the following:
  • the QoS of the TB is greater than or equal to the set QoS threshold, it is determined that periodic detection needs to be enabled
  • the periodic detection does not need to be enabled.
  • high-priority TB transmission does not require periodic detection to be enabled.
  • Set the priority/latency/PDB threshold If the priority/latency/PDB of the TB is greater than the priority/latency/PDB threshold, the corresponding resource selection needs to enable periodic detection, otherwise, it is not necessary to enable periodic detection.
  • determining the periodic value set configuration for periodic monitoring according to the QoS of the TB including:
  • the period to be monitored is determined according to the period value configuration corresponding to the QoS of the TB, wherein one QoS corresponds to one or a group of period values, or multiple QoSs correspond to one or a group of period values.
  • one or a group of period values are configured, and the UE determines the period to be monitored according to the priority/latency/PDB of the TB to be transmitted.
  • the terminal determines that periodic detection is not required, or periodic detection is performed according to a preset period.
  • the periodic detection operation is performed according to the LCH of the data to be transmitted, including at least one of the following:
  • the LCH of the data to be transmitted determine whether it is necessary to meet the requirement of periodic detection time
  • the terminal selects resources, whether it needs to meet the periodic detection time
  • the requirements are determined according to the LCH of the data mapping.
  • the periodic monitoring period value set configuration (configured set of possible resource reservation periods) is determined by the LCH of the data mapping.
  • the number of detection periods for periodic monitoring is determined by the LCH to which the data is mapped.
  • the requirement of periodic detection time needs to be met including:
  • the data transmission corresponding to the LCH of the data to be transmitted is configured or pre-configured by the control node so that periodic detection needs to be enabled, it is determined that the requirement of the periodic detection moment needs to be met.
  • periodic detection needs to be enabled for data transmission corresponding to some LCHs, and the behavior may be configured/pre-configured by the control node.
  • the control node may be the node responsible for scheduling, the transmitting end TX UE or the receiving end RX UE.
  • the terminal transmits data
  • the UE needs to enable periodic detection; otherwise, periodic detection is not performed. In this way, the reliability of data transmission on the corresponding LCH can be guaranteed.
  • the terminal when the terminal groups data packets, it can only group data corresponding to LCHs that require periodic detection/group data corresponding to LCHs that do not require periodic detection.
  • determining the periodic value set configuration for periodic monitoring according to the LCH of the data to be transmitted including:
  • the period to be monitored is determined according to the period value configuration corresponding to the LCH of the data to be transmitted, wherein one LCH corresponds to one or a group of period values, or multiple LCHs correspond to one or a group of period values.
  • one or a group of period values are configured for one or more LCHs, and the UE determines the period to be monitored according to the LCH of the data to be transmitted.
  • the terminal transmits all (and/or part) of the data from the corresponding LCH, and the terminal does not need to perform periodic detection.
  • determining the periodic value set configuration for periodic monitoring according to the LCH of the data to be transmitted including:
  • the terminal performs periodic detection according to the collection or union of period values corresponding to all LCHs.
  • determining the number of detection periods for periodic monitoring according to the LCH of the data to be transmitted including:
  • the number of detection cycles for periodic monitoring is determined according to the configuration of the number of detection cycles corresponding to the LCH of the data to be transmitted.
  • control node configures/preconfigures a period value set, and the terminal may monitor a subset of the period value set when performing periodic monitoring.
  • the number of cycles included in the subset is independently configured/preconfigured for one/multiple LCHs.
  • the terminal determines the number according to the LCH corresponding to the data to be transmitted, and determines the period to be monitored according to the number. (Note: the set/subset may contain one cycle and the number may be zero).
  • determining the number of detection periods for periodic monitoring according to the LCH of the data to be transmitted further comprising:
  • the terminal determines the number of detection cycles for periodic monitoring according to the maximum, minimum or average value of the detection cycles corresponding to all LCHs .
  • the terminal groups data packets, only the data from the same number of LCHs can be grouped together.
  • the QoS and/or the service type of the LCH-related service of the data to be transmitted wherein the service type is a periodic service or a non-periodic service.
  • the LCH may be associated with the QoS of services, so that services of different QoS adopt different periodic detection operations.
  • the LCH can associate whether the service is a periodic service/aperiodic service, so that the periodic service/aperiodic service adopts different periodic detection operations.
  • the higher layer informs the physical layer whether or how to enable the periodic detection operation for a certain TB transmission, so that the physical layer can take corresponding measures.
  • performing the periodic detection operation according to the system load includes at least one of the following:
  • the period value set configuration for periodic monitoring is determined according to the system load.
  • the number of detection periods for periodic monitoring is determined according to the system load.
  • the determining, according to the system load, whether it is necessary to meet the requirement of periodic detection time includes at least one of the following:
  • a load threshold is set. If the system load is greater than the load threshold, the corresponding resource selection needs to enable periodic detection, otherwise, it is not necessary to enable periodic detection.
  • determining the periodic value set configuration for periodic monitoring according to the system load includes:
  • the terminal determines the period to be monitored according to the system load.
  • the terminal determines that periodic detection is not required, or periodic detection is performed according to a preset period.
  • determining the number of detection periods for periodic monitoring according to the system load including:
  • control node configures/preconfigures a period value set, and the UE can monitor a subset of the period value set when performing periodic monitoring.
  • the UE determines the number according to the system load range/system load value, and determines the period to be monitored according to the number. (Note: the set/subset may contain one cycle and the number may be zero).
  • system load is judged according to at least one of the following:
  • the number of NACKs received and/or DTXs received discontinuously.
  • the periodic detection operation according to the system load and the periodic detection operation according to the QoS/LCH may be combined.
  • the terminal performs periodic partial detection according to at least one of the QoS of the TB, the LCH of the data to be transmitted, and the system load, which can be used to relax the requirement of the periodic detection time, and the different data transmission (data transmission).
  • Different periodic detection requirements can be used to meet the variable delay requirements of NR data transmission, which can improve the UE energy saving level and ensure the reliability and effectiveness of data transmission.
  • the terminal performs continuous or aperiodic partial detection according to characteristics of data transmission and/or preset rules, including at least one of the following:
  • the continuity detection operation is performed according to at least one of the QoS of the TB, the LCH of the data to be transmitted, and the system load.
  • the QoS includes at least one of parameters such as priority/(remaining) PDB/latency.
  • performing the continuity detection operation according to the QoS of the TB includes at least one of the following:
  • the QoS of the TB determine whether it is necessary to meet the requirements of the continuous detection duration
  • the setting of the continuity detection duration is determined.
  • determining whether to meet the requirement of the continuity detection duration includes at least one of the following:
  • the QoS of the TB is greater than or equal to the set QoS threshold, it is determined that the requirement of the continuity detection duration needs to be met;
  • the QoS of the TB is less than or equal to or less than the set QoS threshold, it is determined that the requirement for the duration of continuity detection does not need to be met.
  • high-priority TB transmission does not require periodic detection to be enabled.
  • determining the setting of the continuity detection duration according to the QoS of the TB includes:
  • the setting of the continuity detection duration is determined according to the configuration of the continuity detection duration corresponding to the QoS of the TB, wherein one QoS corresponds to one or a group of continuity detection durations, or multiple QoS corresponds to one or a group of continuity detection durations .
  • one/a group of continuity detection durations are configured, and the UE determines the setting of the continuity detection durations according to the priority/latency/PDB of the TB to be transmitted.
  • the terminal determines that continuity detection is not required, or the continuity detection is performed according to the preset continuity detection duration.
  • performing the continuity detection operation according to the LCH of the data to be transmitted includes at least one of the following:
  • the LCH of the data to be transmitted determine whether it is necessary to meet the requirement of continuous detection duration
  • the setting of the continuity detection duration is determined according to the LCH of the data to be transmitted.
  • determine whether it is necessary to meet the requirement of the continuity detection duration including:
  • the data transmission corresponding to the LCH of the data to be transmitted is configured or pre-configured by the control node to meet the requirement of the duration of continuity detection, it is determined that the requirement of duration of continuity detection needs to be met.
  • the data transmission corresponding to some LCHs needs to meet the requirement of the continuity detection duration, and the behavior may be configured/pre-configured by the control node.
  • the control node may be the node responsible for scheduling, the transmitting end TX UE or the receiving end RX UE.
  • the terminal transmits data
  • the UE needs to meet the requirement for the duration of continuity detection; otherwise, no continuity detection is performed. In this way, the reliability of data transmission on the corresponding LCH can be guaranteed.
  • the terminal when the terminal groups data packets, it can only group data corresponding to LCHs that require continuity detection/group data corresponding to LCHs that do not require continuity detection.
  • determining the setting of the continuity detection duration according to the LCH of the data to be transmitted including:
  • the setting of the continuity detection duration is determined according to the continuity detection duration configuration corresponding to the LCH of the data to be transmitted, wherein one LCH corresponds to one or a group of continuity detection durations, or multiple LCHs correspond to one or a group of continuity detection durations duration.
  • one or a group of continuity detection durations are configured for one/multiple LCHs, and the UE determines the setting of the continuity detection durations according to the LCHs of the data to be transmitted.
  • the terminal transmits all (and/or part) of the data from the corresponding LCH, and the terminal does not need to perform continuity detection.
  • determining the setting of the continuity detection duration according to the LCH of the data to be transmitted including:
  • the terminal performs continuity detection according to the collection or union of the continuity detection durations corresponding to all LCHs.
  • the terminal groups data packets, only data from LCHs configured with the same continuity detection duration can be grouped together.
  • the QoS and/or the service type of the LCH-related service of the data to be transmitted wherein the service type is a periodic service or an aperiodic service.
  • the performing the continuity detection operation according to the system load includes at least one of the following:
  • the determining, according to the system load, whether the requirement for the duration of continuous detection needs to be met includes at least one of the following:
  • the system load is less than or equal to or less than the set threshold, it is determined that it is not necessary to meet the requirement of the continuity detection duration.
  • a load threshold is set. If the system load is greater than the load threshold, the corresponding resource selection needs to meet the requirement of the duration of continuity detection, otherwise it does not need to meet the requirement of duration of continuity detection.
  • determining the setting of the continuity detection duration according to the system load includes:
  • the setting of the continuity detection duration is determined according to the configuration of the continuity detection duration corresponding to the system load range or system load value, wherein one system load range or system load value corresponds to one or a group of continuity detection durations, or, multiple systems
  • the load range or system load sub corresponds to one or a group of continuity detection durations.
  • the terminal determines the setting of the continuity detection durations according to the system load.
  • the terminal determines that continuity detection is not required, or the continuity detection is performed according to the preset continuity detection duration.
  • system load is judged according to at least one of the following:
  • the number of NACKs received and/or DTXs received discontinuously.
  • the requirement for the continuous detection duration includes at least one of the following:
  • the requirement is a maximum value or a minimum value or a fixed value requirement.
  • FIG. 3 is a schematic diagram of a window length requirement for continuity detection provided by an embodiment of the present application
  • FIG. 4 is a schematic diagram of a distance requirement from a start position of a continuous detection window to a start position of a resource selection window provided by an embodiment of the present application
  • FIG. 5 is a schematic diagram of the present application
  • FIG. 6 is a schematic diagram of the distance requirement from the start position of the continuous detection window to the candidate time slot provided by the embodiment of the present application
  • FIG. 7 is the present application
  • Figure 8 is a schematic diagram of the distance requirement between the trigger moment of continuous detection and the trigger moment of resource selection provided by the embodiment of the present application.
  • n is the trigger time of resource selection
  • T A /T B is used to define the continuous detection window
  • T1/T2 is used to define the resource selection window
  • the time slot marked by the box in [T1, T2] is the first candidate time slot in the candidate time slot/selection window
  • time m is the trigger time of partial detection.
  • the setting of the continuous detection duration includes at least one of the following:
  • the distance between the triggering moment of continuous detection and the triggering moment of resource selection is the distance between the triggering moment of continuous detection and the triggering moment of resource selection.
  • the distance is a maximum value or a minimum value or a fixed value.
  • the distance may be agreed upon/configured/preconfigured in a protocol.
  • the terminal performs periodic partial detection according to characteristics of data transmission and/or preset rules, and further includes at least one of the following:
  • limit the amount of transmitted data that does not meet the periodic detection requirement.
  • limit the amount of data for example, limit the number of transmissions (including initial transmission and/or retransmission), the number of TBs, the CR value, the number of SL basic transmission units (one sub-channel and one slot as a basic unit), if Exceeding the limited number of times, the UE must comply with the periodic detection time requirement.
  • the qualification may be a protocol convention/configuration/pre-configuration.
  • obtain the periodic detection time The number of backoff cycles in k value.
  • k value/a set of k values For one or more period values, obtain a k value/a set of k values according to the rules agreed in the protocol.
  • the embodiment of the present application also provides an application in the re-evaluation/pre-emption detection that the terminal performs periodic partial detection according to at least one of the QoS of the TB, the LCH of the data to be transmitted, and the system load.
  • Mode 2 resource allocation mode the re-evaluation mechanism of resource selection is supported.
  • the brief description of the mechanism is as follows: In order for the UE to judge whether the selected but unreserved resources (PSCCH/PSSCH resources) are still not idle / In low interference state, the UE performs resource selection re-evaluation at least at time 'm-T3', where time 'm' is the time when the resource reservation information is first sent, and T3 at least includes the duration of resource selection processing by the UE.
  • the UE re-executes the step of resource selection at least in 'm-T3' to obtain a set of candidate resources.
  • the resource selected by the UE is still in the candidate resource set (that is, the RSRP measurement value associated with the selected resource is not greater than the RSRP threshold associated with the determination of the candidate resource set), and the UE does not need to perform resource reselection; otherwise, the UE is in the candidate resource set. Select a new transport resource from the collection.
  • a resource pre-emption mechanism is supported, which is briefly described as follows: resources already reserved by one UE and resources reserved/selected by other UEs with higher priority services Overlapping (partially overlapping), if the SL-RSRP measurement value of the UE on the relevant resource is greater than a certain associated SL-RSRP threshold, the UE will trigger resource reselection.
  • the UE performs preemption detection at least at time 'm-T3', where time 'm' is the time at which the resource is located or the reservation of the resource
  • T3 at least includes the duration for the UE to perform resource selection processing.
  • the UE re-executes the step of resource selection at least in 'm-T3' to obtain a set of candidate resources. If the resource selected by the UE is still in the alternative resource set (that is, the RSRP measurement value associated with the selected resource is not greater than the RSRP threshold associated with the determination of the alternative resource set), the UE does not need to perform resource reselection; otherwise, the UE is in standby Select a new transport resource from the selection set.
  • the terminal performs periodic partial detection according to characteristics of data transmission and/or preset rules, and further includes:
  • the terminal For TB transmission, if the resource position selected by the terminal is located at y, if the periodic detection time index y-k*p appears after the resource at y (ie after the resource selection window/after the candidate time slot/after the resource selection trigger time) ), the terminal does one of the following:
  • the terminal will monitor at least at y-k*p to re-evaluate the selected resource re-evaluation detection;
  • the terminal If at y-k*p (y-k*p is earlier/not later than y-T3), the resource located at y has been reserved, but the resource pool where the selected resource is located supports the resource preemption pre-emption mechanism, the terminal at least Listen at y-k*p for pre-emption detection of selected resources;
  • k is the number of rollback periods
  • p is the period value
  • the value of k and/or p in y-k*p is independent of the initial resource selection or reselection setting
  • the value of k includes at least 1.
  • the terminal performs continuous or aperiodic partial detection according to characteristics of data transmission and/or preset rules, further comprising:
  • the amount of data that does not meet the requirement of the continuity detection duration is a protocol agreement or configuration or pre-configuration.
  • the terminal selects resources according to characteristics of data transmission and/or preset rules, including at least one of the following:
  • the size of the resource selection window is also the length of the resource selection window.
  • the determining the minimum candidate time slot value includes at least one of the following:
  • the QoS includes at least one of parameters such as priority/(remaining) PDB/latency.
  • a minimum Y value is configured for one or more priorities/latency/PDBs, and the UE determines the minimum Y value according to the priority/latency/PDB of the TB to be transmitted.
  • the minimum Y value is configured by default, when the terminal transmits the TB corresponding to the priority/latency/PDB, periodic detection is not required, or the detection is performed according to a predetermined period.
  • a minimum Y value is configured for one or more LCHs, and the terminal determines the minimum Y value according to the LCH of the data to be transmitted.
  • the terminal transmits all (and/or part) of the data from the corresponding LCH, and the terminal does not need to perform periodic detection.
  • the terminal when the terminal transmits data, if the data in the data packet comes from LCHs configured with different minimum Y values, the terminal determines the minimum value according to the minimum value/maximum value/average value of multiple minimum Y values corresponding to all LCHs. Y value.
  • the terminal groups data packets, only the data from the LCH with the same minimum Y value can be grouped together.
  • the upper layer notifies the physical layer of the minimum Y value that should be used when a certain TB is transmitted.
  • a minimum Y value is configured for one/more for one/more system load ranges/system load values, and the terminal determines the minimum Y value according to the system load.
  • the minimum candidate time slot value is determined according to the minimum value T2_min of the upper limit of the resource selection window used for TB resource selection.
  • a minimum Y value is configured for one or more T2_mins, and the terminal determines the minimum Y value according to the T2_min of the TB to be transmitted.
  • the ratio/difference between the protocol agreed/configured/preconfigured minimum Y value and T2_min may be zero.
  • the protocol agreed/configured/preconfigured the minimum Y value and the ratio/difference in T2_min-T1 (the difference may be zero).
  • the determination of the minimum candidate time slot value according to the system load and the determination of the minimum candidate time slot value based on QoS/LCH may be used in combination.
  • system load is judged according to at least one of the following:
  • the number of NACKs received and/or DTXs received discontinuously.
  • the determining the size of the resource selection window includes at least one of the following:
  • the QoS includes at least one of parameters such as priority/(remaining) PDB/latency.
  • the size of the resource selection window is configured for one or more priorities/latency/PDBs, and the UE determines the size of the resource selection window according to the priority/latency/PDB of the TB to be transmitted.
  • the size of the resource selection window is configured by default, when the terminal transmits the TB corresponding to priority/latency/PDB, periodic detection is not required, or the detection is performed according to a predetermined period.
  • the size of the resource selection window is configured for one or more LCHs, and the terminal determines the size of the resource selection window according to the LCH of the data to be transmitted.
  • the terminal transmits all (and/or part) of the data from the corresponding LCH, and the terminal does not need to perform periodic detection.
  • the terminal when the terminal transmits data, if the data in the data packet comes from LCHs configured with different resource selection window sizes, the terminal selects the minimum/maximum value/average of the window sizes according to multiple resource selection window sizes corresponding to all LCHs. Determines the resource selection window size.
  • the terminal groups data packets, only data from LCHs with the same resource selection window size can be grouped together.
  • the higher layer informs the physical layer of the resource selection window size that should be used when a certain TB is transmitted.
  • the size of the resource selection window is configured for one/more for one/more system load ranges/system load values, and the terminal determines the size of the resource selection window according to the system load.
  • the size of the resource selection window is determined according to the minimum value T2_min of the upper limit of the resource selection window used for TB resource selection.
  • a resource selection window size is configured for one or more T2_mins, and the terminal determines the resource selection window size according to the T2_min of the TB to be transmitted.
  • the ratio/difference between the protocol contract/configuration/pre-configured resource selection window size and T2_min (the difference may be zero).
  • the ratio/difference in the protocol contract/configuration/pre-configured resource selection window size and T2_min-T1 (the difference may be zero).
  • T1 is the lower limit of the resource selection window.
  • determining the size of the resource selection window according to the system load and determining the size of the resource selection window based on QoS/LCH may be used in combination.
  • system load is judged according to at least one of the following:
  • the number of NACKs received and/or DTXs received discontinuously.
  • the terminal selects resources according to the characteristics of data transmission and/or preset rules, which can meet the variable delay requirement of NR data transmission, improve the energy saving level of the UE, and at the same time ensure the reliability and effectiveness of data transmission. sex.
  • the execution subject may be a sidelink resource selection apparatus, or, in the sidelink resource selection apparatus, a method for executing the sidelink resource selection method may be executed. control module.
  • the method for selecting a side link resource performed by a side link resource selecting device is taken as an example to describe the device for selecting a side link resource provided by the embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a sidelink resource selection apparatus provided by an embodiment of the present application. As shown in FIG. 9 , the apparatus includes: a resource detection unit 910 and a resource selection unit 920, wherein,
  • a resource detection unit 910 configured to perform periodic part detection according to the characteristics of data transmission and/or preset rules, and/or perform continuous or aperiodic part detection according to the characteristics of data transmission and/or preset rules;
  • the resource selection unit 920 is configured to select resources according to characteristics of data transmission and/or preset rules.
  • periodic part detection and/or continuous/aperiodic part detection are performed according to data transmission characteristics and/or preset rules, and resource selection is performed according to data transmission characteristics and/or preset rules , can meet the variable delay requirements of NR data transmission, can improve the energy saving level of UE, and ensure the reliability and effectiveness of data transmission.
  • the resource detection unit is configured to perform at least one of the following:
  • performing the periodic detection operation according to the QoS of the TB includes at least one of the following:
  • the QoS of the TB determine whether it is necessary to meet the requirements of the periodic detection time
  • the period value set configuration for periodic monitoring is determined.
  • determining whether to meet the requirement of periodic detection time includes at least one of the following:
  • the QoS of the TB is greater than or equal to the set QoS threshold, it is determined that periodic detection needs to be enabled
  • the periodic detection does not need to be enabled.
  • determining the periodic value set configuration for periodic monitoring according to the QoS of the TB including:
  • the period to be monitored is determined according to the period value configuration corresponding to the QoS of the TB, wherein one QoS corresponds to one or a group of period values, or multiple QoSs correspond to one or a group of period values.
  • the periodic detection operation performed according to the LCH of the data to be transmitted includes at least one of the following:
  • the LCH of the data to be transmitted determine whether it is necessary to meet the requirement of periodic detection time
  • the requirement of periodic detection time needs to be met including:
  • the data transmission corresponding to the LCH of the data to be transmitted is configured or pre-configured by the control node so that periodic detection needs to be enabled, it is determined that the requirement of the periodic detection moment needs to be met.
  • determining the periodic value set configuration for periodic monitoring according to the LCH of the data to be transmitted including:
  • the period to be monitored is determined according to the period value configuration corresponding to the LCH of the data to be transmitted, wherein one LCH corresponds to one or a group of period values, or multiple LCHs correspond to one or a group of period values.
  • the determining the periodic value set configuration for periodic monitoring according to the LCH of the data to be transmitted further includes:
  • the terminal performs periodic detection according to the collection or union of period values corresponding to all LCHs.
  • determining the number of detection periods for periodic monitoring according to the LCH of the data to be transmitted including:
  • the number of detection cycles for periodic monitoring is determined according to the configuration of the number of detection cycles corresponding to the LCH of the data to be transmitted.
  • determining the number of detection periods for periodic monitoring according to the LCH of the data to be transmitted including:
  • the terminal determines the number of detection cycles for periodic monitoring according to the maximum, minimum or average value of the detection cycles corresponding to all LCHs .
  • the QoS and/or the service type of the LCH-related service of the data to be transmitted wherein the service type is a periodic service or an aperiodic service.
  • performing the periodic detection operation according to the system load includes at least one of the following:
  • the determining, according to the system load, whether it is necessary to meet the requirement of periodic detection time includes at least one of the following:
  • determining the periodic value set configuration for periodic monitoring according to the system load includes:
  • determining the number of detection periods for periodic monitoring according to the system load including:
  • system load is judged according to at least one of the following:
  • the number of NACKs received and/or DTXs received discontinuously.
  • the resource detection unit is configured to perform at least one of the following:
  • performing the continuity detection operation according to the QoS of the TB includes at least one of the following:
  • the QoS of the TB determine whether it is necessary to meet the requirements of the continuous detection duration
  • the setting of the continuity detection duration is determined.
  • performing the continuity detection operation according to the LCH of the data to be transmitted includes at least one of the following:
  • the LCH of the data to be transmitted determine whether it is necessary to meet the requirement of continuous detection duration
  • the setting of the continuity detection duration is determined according to the LCH of the data to be transmitted.
  • the performing the continuity detection operation according to the system load includes at least one of the following:
  • the requirement for the continuous detection duration includes at least one of the following:
  • the setting of the continuous detection duration includes at least one of the following:
  • the distance between the triggering moment of continuous detection and the triggering moment of resource selection is the distance between the triggering moment of continuous detection and the triggering moment of resource selection.
  • the resource detection unit is further configured to:
  • the resource detection unit is further configured to:
  • the terminal monitors at least at y-k*p;
  • the terminal will monitor at least at y-k*p;
  • the value of k and/or p in y-k*p is independent of the setting of initial resource selection or reselection
  • k is the number of rollback periods
  • p is the period value
  • the value of k and/or p in y-k*p is independent of the initial resource selection or reselection setting.
  • the resource detection unit is further configured to:
  • the amount of data that does not meet the requirement of the continuity detection duration is a protocol agreement or configuration or pre-configuration.
  • the resource selection unit is configured to perform at least one of the following:
  • the determining the minimum candidate time slot value includes at least one of the following:
  • the minimum candidate time slot value is determined according to the minimum value T2_min of the upper limit of the resource selection window used for TB resource selection.
  • the determining the size of the resource selection window includes at least one of the following:
  • the size of the resource selection window is determined according to the minimum value T2_min of the upper limit of the resource selection window used for TB resource selection.
  • resource selection is performed according to the characteristics of data transmission and/or preset rules, which can meet the variable delay requirement of NR data transmission, improve the energy saving level of UE, and ensure the reliability and effectiveness of data transmission at the same time. .
  • the apparatus for selecting a side link resource in this embodiment of the present application may be an apparatus, an apparatus having an operating system or an electronic device, and may also be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the apparatus for selecting a side link resource provided in this embodiment of the present application can implement each process implemented by the method embodiments in FIG. 2 to FIG. 8 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • an embodiment of the present application further provides a communication device 1000, including a processor 1001, a memory 1002, a program or instruction stored in the memory 1002 and executable on the processor 1001,
  • a communication device 1000 including a processor 1001, a memory 1002, a program or instruction stored in the memory 1002 and executable on the processor 1001
  • the communication device 1000 is a terminal
  • the program or instruction is executed by the processor 1001
  • each process of the above-mentioned embodiments of the method for selecting sidelink resources can be implemented, and the same technical effect can be achieved.
  • the communication device 1000 is a network side device
  • the program or instruction is executed by the processor 1001
  • each process of the above-mentioned embodiment of the method for selecting a side link resource can be achieved, and the same technical effect can be achieved. To avoid repetition, details are not repeated here. .
  • An embodiment of the present application further provides a terminal, including a processor and a communication interface, where the processor is configured to perform periodic partial detection according to characteristics of data transmission and/or preset rules, and/or, according to characteristics and/or preset rules of data transmission A rule is set for continuous or aperiodic partial detection, and the processor is also used for resource selection.
  • This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • FIG. 11 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 1100 includes but is not limited to: a radio frequency unit 1101, a network module 1102, an audio output unit 1103, an input unit 1104, a sensor 1105, a display unit 1106, a user input unit 1107, an interface unit 1108, a memory 1109, and a processor 1110, etc. at least part of the components.
  • the terminal 1100 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 1110 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power source such as a battery
  • the terminal structure shown in FIG. 11 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 1104 may include a graphics processor (Graphics Processing Unit, GPU) 11041 and a microphone 11042, and the graphics processor 11041 is used to communicate with the image capture device (such as camera) to obtain still pictures or video image data for processing.
  • the display unit 1106 may include a display panel 11061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1107 includes a touch panel 11071 and other input devices 11072.
  • the touch panel 11071 is also called a touch screen.
  • the touch panel 11071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 11072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described herein again.
  • the radio frequency unit 1101 receives the downlink data from the network side device, and then processes it to the processor 1110; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 1101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • Memory 1109 may be used to store software programs or instructions as well as various data.
  • the memory 1109 may mainly include a storage program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 1109 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 1110 may include one or more processing units; optionally, the processor 1110 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1110.
  • the processor 1110 is configured to perform periodic partial detection according to the characteristics of data transmission and/or preset rules, and/or perform continuous or aperiodic partial detection according to the characteristics of data transmission and/or preset rules; The processor 1110 is also used for resource selection.
  • the terminal performs periodic part detection and/or continuous/aperiodic part detection according to the characteristics of data transmission and/or preset rules, and performs resource detection according to the characteristics of data transmission and/or preset rules Selecting, can meet the variable delay requirements of NR data transmission, can improve the level of UE energy saving, while ensuring the reliability and effectiveness of data transmission.
  • processor 1110 is further configured to execute at least one of the following:
  • performing the periodic detection operation according to the QoS of the TB includes at least one of the following:
  • the QoS of the TB determine whether it is necessary to meet the requirements of the periodic detection time
  • the period value set configuration for periodic monitoring is determined.
  • determining whether to meet the requirement of periodic detection time includes at least one of the following:
  • the QoS of the TB is greater than or equal to the set QoS threshold, it is determined that periodic detection needs to be enabled
  • the periodic detection does not need to be enabled.
  • determining the periodic value set configuration for periodic monitoring according to the QoS of the TB including:
  • the period to be monitored is determined according to the period value configuration corresponding to the QoS of the TB, wherein one QoS corresponds to one or a group of period values, or multiple QoSs correspond to one or a group of period values.
  • the periodic detection operation performed according to the LCH of the data to be transmitted includes at least one of the following:
  • the LCH of the data to be transmitted determine whether it is necessary to meet the requirement of periodic detection time
  • the requirement of periodic detection time needs to be met including:
  • the data transmission corresponding to the LCH of the data to be transmitted is configured or pre-configured by the control node so that periodic detection needs to be enabled, it is determined that the requirement of the periodic detection moment needs to be met.
  • determining the periodic value set configuration for periodic monitoring according to the LCH of the data to be transmitted including:
  • the period to be monitored is determined according to the period value configuration corresponding to the LCH of the data to be transmitted, wherein one LCH corresponds to one or a group of period values, or multiple LCHs correspond to one or a group of period values.
  • determining the periodic value set configuration for periodic monitoring according to the LCH of the data to be transmitted including:
  • the terminal performs periodic detection according to the collection or union of period values corresponding to all LCHs.
  • determining the number of detection periods for periodic monitoring according to the LCH of the data to be transmitted including:
  • the number of detection cycles for periodic monitoring is determined according to the configuration of the number of detection cycles corresponding to the LCH of the data to be transmitted.
  • determining the number of detection periods for periodic monitoring according to the LCH of the data to be transmitted further comprising:
  • the terminal determines the number of detection cycles for periodic monitoring according to the maximum, minimum or average value of the detection cycles corresponding to all LCHs .
  • the QoS and/or the service type of the LCH-related service of the data to be transmitted wherein the service type is a periodic service or an aperiodic service.
  • performing the periodic detection operation according to the system load includes at least one of the following:
  • the determining, according to the system load, whether it is necessary to meet the requirement of periodic detection time includes at least one of the following:
  • determining the periodic value set configuration for periodic monitoring according to the system load includes:
  • determining the number of detection periods for periodic monitoring according to the system load including:
  • system load is judged according to at least one of the following:
  • the number of NACKs received and/or DTXs received discontinuously.
  • processor 1110 is further configured to execute at least one of the following:
  • performing the continuity detection operation according to the QoS of the TB includes at least one of the following:
  • the QoS of the TB determine whether it is necessary to meet the requirements of the continuous detection duration
  • the setting of the continuity detection duration is determined.
  • performing the continuity detection operation according to the LCH of the data to be transmitted includes at least one of the following:
  • the LCH of the data to be transmitted determine whether it is necessary to meet the requirement of continuous detection duration
  • the setting of the continuity detection duration is determined according to the LCH of the data to be transmitted.
  • the performing the continuity detection operation according to the system load includes at least one of the following:
  • the requirement for the continuous detection duration includes at least one of the following:
  • the setting of the continuous detection duration includes at least one of the following:
  • the distance between the triggering moment of continuous detection and the triggering moment of resource selection is the distance between the triggering moment of continuous detection and the triggering moment of resource selection.
  • processor 1110 is further configured to execute at least one of the following:
  • processor 1110 is further configured to:
  • the terminal monitors at least at y-k*p;
  • the terminal will monitor at least at y-k*p;
  • k is the number of rollback periods
  • p is the period value
  • the value of k and/or p in y-k*p is independent of the initial resource selection or reselection setting.
  • processor 1110 is further configured to:
  • the amount of data that does not meet the requirement of the continuity detection duration is a protocol agreement or configuration or pre-configuration.
  • processor 1110 is further configured to execute at least one of the following:
  • the determining the minimum candidate time slot value includes at least one of the following:
  • the minimum candidate time slot value is determined according to the minimum value T2_min of the upper limit of the resource selection window used for TB resource selection.
  • the determining the size of the resource selection window includes at least one of the following:
  • the size of the resource selection window is determined according to the minimum value T2_min of the upper limit of the resource selection window used for TB resource selection.
  • the terminal selects resources according to the characteristics of data transmission and/or preset rules, which can meet the variable delay requirement of NR data transmission, improve the energy saving level of the UE, and at the same time ensure the reliability and effectiveness of data transmission. sex.
  • An embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the foregoing sidelink resource selection method embodiment is implemented, and The same technical effect can be achieved, and in order to avoid repetition, details are not repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiment.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the above-mentioned method for selecting a side link resource
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is configured to run a program or an instruction to implement the above-mentioned method for selecting a side link resource
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.

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Abstract

La présente demande divulgue un procédé et un dispositif de sélection de ressource de liaison latérale, un terminal, et un support de stockage, appartenant au domaine technique des communications. Le procédé de sélection de ressource de liaison latérale des modes de réalisation de la présente demande comprend les étapes suivantes : un terminal effectuant une détection partielle périodique selon les caractéristiques de transmission de données et/ou une règle prédéfinie, et/ou le terminal effectuant une détection partielle continue ou apériodique selon les caractéristiques de transmission de données et/ou la règle prédéfinie ; et le terminal effectuant une sélection de ressource selon les caractéristiques de transmission de données et/ou la règle prédéfinie.
PCT/CN2022/085482 2021-04-07 2022-04-07 Procédé et dispositif de sélection de ressource de liaison latérale, terminal et support de stockage WO2022214018A1 (fr)

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CN202110373521.1 2021-04-07
CN202110373521.1A CN115175316A (zh) 2021-04-07 2021-04-07 旁链路资源选择方法、装置、终端及存储介质

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WO2022214018A1 true WO2022214018A1 (fr) 2022-10-13

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