WO2022042535A1 - 资源选择方法、装置及电子设备 - Google Patents

资源选择方法、装置及电子设备 Download PDF

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Publication number
WO2022042535A1
WO2022042535A1 PCT/CN2021/114273 CN2021114273W WO2022042535A1 WO 2022042535 A1 WO2022042535 A1 WO 2022042535A1 CN 2021114273 W CN2021114273 W CN 2021114273W WO 2022042535 A1 WO2022042535 A1 WO 2022042535A1
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Prior art keywords
resource
auxiliary information
resources
value
information
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English (en)
French (fr)
Inventor
王欢
纪子超
彭淑燕
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Publication of WO2022042535A1 publication Critical patent/WO2022042535A1/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • 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
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/25—Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/40—Resource management for direct mode communication, e.g. D2D or sidelink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • 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
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/563—Allocation or scheduling criteria for wireless resources based on priority criteria of the wireless resources

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a resource selection method, apparatus, and electronic device.
  • auxiliary information can be suggested to the transmitting terminal (TX UE) to assist the TX UE in resource selection and/or adjust the transmission parameters of the TX UE, but how does the TX UE use the auxiliary information for resource selection Choice is still an open question.
  • Embodiments of the present application provide a resource selection method, apparatus, and electronic device, which can improve the reliability of side link transmission.
  • an embodiment of the present application provides a resource selection method, the method includes:
  • the sender terminal obtains auxiliary information of other nodes
  • the transmitting terminal performs resource selection at least according to the auxiliary information, including any one of the following:
  • the transmitting end terminal determines an alternative resource set according to the resource monitoring result and/or the auxiliary information, and performs resource selection according to the alternative resource set and/or the auxiliary information;
  • the transmitting terminal obtains or creates at least one sidelink grant according to the auxiliary information, and the sidelink grant includes one or a group of sidelink transmission resources;
  • the sender terminal performs resource selection according to at least one of the auxiliary information.
  • an embodiment of the present application provides a resource selection apparatus, the apparatus includes:
  • a processing module configured to perform resource selection at least according to the auxiliary information, including any one of the following:
  • the sidelink grant includes one or a group of sidelink transmission resources
  • Resource selection is performed according to at least one of the auxiliary information.
  • an embodiment of the present application further provides an electronic device, including a processor, a memory, and a program or instruction stored in the memory and executable on the processor, the program or instruction being The processor, when executed, implements the steps of the method as described above.
  • an embodiment of the present application 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, the steps of the above method are implemented.
  • an embodiment of the present application provides a chip, 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, and implement the first aspect the method described.
  • an embodiment of the present application provides a computer software product, the computer software product is stored in a non-volatile storage medium, and the software product is configured to be executed by at least one processor to implement the first The steps of the method of the aspect.
  • an embodiment of the present application provides an electronic device, where the electronic device is configured to execute the method described in the first aspect.
  • the transmitting terminal acquires auxiliary information of other nodes, and uses the auxiliary information to select resources, so that the transmitting terminal can select resources reasonably, taking into account the requirements of low latency and high reliability, and ensuring side link transmission Have high reliability.
  • FIG. 1 shows a schematic diagram of a wireless communication system
  • FIG. 2 shows a schematic diagram of UE-A notifying UE-B of auxiliary information
  • FIG. 3 shows a schematic flowchart of a resource selection method according to an embodiment of the present application
  • 4-6 show schematic diagrams of acquiring auxiliary information of different types of terminals according to an embodiment of the present application
  • FIG. 7 is a schematic structural diagram of a resource selection apparatus according to an embodiment of the present application.
  • FIG. 8 shows a schematic diagram of the composition of a terminal according to an embodiment of the present application.
  • LTE Long Term Evolution
  • 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
  • SC-FDMA single carrier frequency Division Multiple Access
  • a CDMA system may implement radio technologies such as CDMA2000, Universal Terrestrial Radio Access (UTRA).
  • UTRA includes Wideband Code Division Multiple Access (WCDMA) and other CDMA variants.
  • a TDMA system may implement a radio technology such as the Global System for Mobile Communication (GSM).
  • GSM Global System for Mobile Communication
  • OFDMA system can realize such as Ultra Mobile Broadband (UMB), Evolved UTRA (Evolution-UTRA, E-UTRA), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash-OFDM, etc. radio technology.
  • UMB Ultra Mobile Broadband
  • Evolved UTRA Evolved UTRA
  • E-UTRA Evolved UTRA
  • IEEE 802.11 Wi-Fi
  • IEEE 802.16 WiMAX
  • IEEE 802.20 Flash-OFDM
  • Flash-OFDM Flash-OFDM
  • UTRA and E-UTRA are part of the Universal Mobile Telecommunications System (UMTS).
  • LTE and higher LTE eg LTE-A
  • UTRA, E-UTRA, UMTS, LTE, LTE-A, and GSM are described in documents from an organization named "3rd
  • CDMA2000 and UMB are described in documents from an organization named "3rd Generation Partnership Project 2" (3GPP2).
  • 3GPP2 3rd Generation Partnership Project 2
  • the techniques described herein may be used for both the systems and radio technologies mentioned above, as well as for other systems and radio technologies.
  • 3GPP2 3rd Generation Partnership Project 2
  • NR terminology is used in much of the following description, although these techniques are also applicable to applications other than NR system applications.
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments 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 personal digital assistant (Personal Digital Assistant).
  • PDA mobile Internet Device
  • MID mobile Internet Device
  • Wearable Device wearable device
  • vehicle-mounted device it should be noted that, in the embodiment of the present application, the specific type of the terminal 11 is not limited .
  • the network side device 12 may be a base station or a core network, wherein the above-mentioned base station may be a base station of the fifth generation (5th Generation, 5G) and later versions (for example: gNB , 5G NR NB, etc.), or a base station in other communication systems (eg: evolved Node B (eNB), wireless local area network (WLAN) access point, or other access points, etc.), or a location server (eg: Evolved Serving Mobile Location Center) (Evolved Serving Mobile Location Centre, E-SMLC) or local management function (Location Manager Function, LMF)), wherein the base station may be referred to as Node B, Evolved Node B, Access Point, Base Transceiver Station (Base Transceiver Station) , BTS), radio base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Node B, eNB, Home Node B, Home Evolved Node B, WLAN Access Ingress point, wireless
  • New Radio (NR) sidelink (Sidelink, SL) resources are allocated in two ways, one is based on base station scheduling (mode 1), the other is based on terminal (User Equipment, UE) autonomous resource selection (mode 2) ).
  • the sidelink resources used by the UE for data transmission are determined by the base station and notified to the TX UE through downlink signaling; for the resource allocation method independently selected by the UE, the UE selects available resources from the (pre)configured resource pool.
  • the UE performs channel monitoring before resource selection, selects a resource set with less interference according to the channel monitoring result, and then randomly selects resources for transmission from the resource set.
  • the TX UE After the resource selection is triggered, the TX UE first determines the resource selection window.
  • the lower boundary of the resource selection window is at time T1 after the resource selection is triggered, and the upper boundary of the resource selection window is at time T2 after the triggering.
  • T2 is a value selected by the UE in the data delay (packet delay budget, PDB) transmitted by its transport block (Transport Block, TB), and T2 is not earlier than T1.
  • PDB packet delay budget
  • TB Transport Block
  • the UE Before resource selection, the UE needs to determine the candidate resource set (candidate resource set) for resource selection, according to the reference signal received power (Reference Signal Received Power, RSRP) measurement value on the resource in the resource selection window and the corresponding RSRP
  • the threshold (threshold) is compared (the RSRP and RSRP thresholds are not directly measured on the resources in the resource selection window, but are determined according to the sensing results), if the RSRP is higher than the RSRP threshold, then the resource After resource exclusion is performed, it cannot be included in the candidate resource set. After the resource exclusion is performed, the remaining resources in the resource selection window form the candidate resource set.
  • RSRP Reference Signal Received Power
  • the UE After the candidate resource set is determined, the UE randomly selects transmission resources in the candidate resource set. In addition, the UE may reserve transmission resources for the next transmission during the current transmission.
  • side link transmission includes at least the following scenarios:
  • Scenario 1 Due to the limitation of half-duplex, the receiving terminal (RX UE) cannot transmit and receive at the same time.
  • the RX UE proposes resource sets to the TX UE (for example, the RX UE will perform receiving operations on these resource sets) to assist the TX UE in resource selection, which can improve the transmission reliability between the pair of UEs.
  • Scenario 2 Due to the defect of mode 2 resource selection, the resource selection of different TX UEs may conflict. This defect is at least due to the inaccuracy of resource monitoring in the process of mode 2 resource selection (for example, the Inconsistent channel monitoring results) and a certain randomness in resource selection.
  • the RX UE receives the physical sidelink control channel (PSCCH) transmission of at least two TX UEs, and feeds back the physical sidelink feedback channel (PSFCH) for at least two PSCCH transmissions If the PSFCH corresponding to PSCCH transmission falls on the same PSFCH occasion, due to the limitation of UE capability and/or power control, at least two PSFCHs cannot be sent at the same time, resulting in unguaranteed transmission reliability.
  • PSCCH physical sidelink control channel
  • PSFCH physical sidelink feedback channel
  • auxiliary information may be suggested to the transmitting terminal (TX UE) to assist the TX UE in resource selection and/or adjust the transmission parameters of the TX UE.
  • UE-A determines a resource set
  • UE-A notifies UE-B of the resource set
  • UE-B may consider the resource set notified by UE-A when selecting mode 2 resources.
  • the resource set is a kind of auxiliary information.
  • the resource selection of NR SL mode 2 has the defect of low reliability, especially in the scenario of low-latency transmission, due to the limited number of alternative resources, the reliability of mode 2 resource selection will be lower.
  • the reliability of mode 2 resource selection can be improved by sending auxiliary information to the TX UE, but how the TX UE uses the auxiliary information for resource selection is still a problem to be solved.
  • the embodiment of the present application provides a resource selection method, as shown in FIG. 3 , including:
  • Step 101 the sender terminal obtains auxiliary information of other nodes
  • the transmitting terminal performs resource selection at least according to the auxiliary information, including any one of the following:
  • the transmitting end terminal determines an alternative resource set according to the resource monitoring result and/or the auxiliary information, and performs resource selection according to the alternative resource set and/or the auxiliary information;
  • the transmitting terminal acquires or creates at least one sidelink grant according to the auxiliary information, and the sidelink grant includes one or a group of sidelink transmission resources;
  • the sender terminal performs resource selection according to at least one of the auxiliary information.
  • the transmitting terminal acquires auxiliary information of other nodes, and uses the auxiliary information to select resources, so that the transmitting terminal can select resources reasonably, taking into account the requirements of low latency and high reliability, and ensuring side link transmission Have high reliability.
  • other nodes include control nodes and other terminals.
  • the sender terminal when the sender terminal only determines the candidate resource set according to the resource monitoring result, the sender terminal needs to perform resource selection in combination with the candidate resource set and the auxiliary information, that is, the sender terminal needs to select the resource based on the auxiliary information.
  • the auxiliary information includes at least one of the following:
  • Auxiliary resource set including a first resource set and/or a second resource set
  • the first resource set includes all time-frequency resources within a given time window and/or frequency domain
  • the second resource set includes a given time window and/or several time-domain and/or frequency-domain resources in the frequency domain, such as a time window and/or some of the resources in the frequency domain that are centralized and/or discretely distributed, can be indicated by a bitmap or other
  • the information indicates which resources within the time window and/or frequency domain belong to the second resource set.
  • the granularity of time domain and/or frequency domain resources may be agreed by the protocol or configured by the control node or pre-configured by the control node, or independently determined by the terminal or notified by other terminals.
  • the resource selection window of the terminal is related to the resource monitoring window of the receiving terminal or the transmitting terminal, or the window obtained according to the protocol agreement or the rules of the control node configuration, or the window notified by other nodes, etc.;
  • Relevant measurement parameters of the resources including at least one of the following: the maximum value of the measurement parameter values measured on the resources of the first resource set; the maximum value of the measurement parameter values measured on the resources of the second resource set; the first resource set The minimum value of the measurement parameter values measured on the resources of the second resource set, the minimum value of the measurement parameter values measured on the resources of the second resource set; the average value of the measurement parameter values measured on the resources of the first resource set; the second resource the average value of the measurement parameter values measured on the resources in the preset resource set; the maximum value of the measurement parameter values measured on all the resources in the preset resource set except the resources of the first resource set; the preset resource set excluding the second resource set The maximum value of the measurement parameter values measured on all resources except the resources in the preset resource set; the minimum value of the measurement parameter values measured on all resources in the preset resource set except the resources of the first resource set; The minimum value of the measurement parameter values measured on all resources except the resources in the resource set; the average value of the measurement parameter values measured on all the resources in the
  • the measured parameter values include at least one of the following reference signal received power (Reference Signal Received Power, RSRP), received signal strength indication (Received Signal Strength Indication, RSSI), reference signal received quality (Reference Signal Received Quality, RSRQ), signal and Interference plus noise ratio (Signal to Interference plus Noise Ratio, SINR), Signal-to-noise ratio (Signal-to-noise ratio, SNR);
  • Relevant priority information of resources including at least one of the following: the maximum value among the priorities detected on the resources of the first resource set; the maximum value among the priorities detected on the resources of the second resource set; the maximum value of the priorities detected on the resources of the second resource set; The minimum value among the priorities detected on the resources; the minimum value among the priorities detected on the resources of the second resource set; the average value among the priorities detected on the resources of the first resource set; The average value among the detected priorities; the maximum value among the priorities detected on all the resources in the preset resource set except the resources in the first resource set; The maximum value among the detected priorities; the minimum value among the priorities detected on all the resources in the preset resource set except the resources in the first resource set; on all the resources in the preset resource set except the resources in the second resource set The minimum value of the detected priorities; the average value of the detected priorities of all the resources in the preset resource set except the resources of the first resource set; the priority of all the resources in the preset resource set except the resources of the second resource set The average value among the detected priorities; the
  • the threshold value of the relevant measurement parameters of the resource is used to obtain the candidate resource set and/or virtual candidate resource set of the terminal at the receiving end and/or the resource set that is intended to be used for signal reception.
  • the auxiliary information further includes at least one of the following:
  • the source or type of the auxiliary information for example, is the sensing result of other UEs, or the allocation result of the scheduling UE, or the allocation result of the base station forwarded by other UEs, and the transmitting terminal can judge the reliability of the auxiliary information according to the type;
  • the location information of the terminal sending the auxiliary information for example, if the sending UE of the auxiliary information is far away from the transmitting terminal (TX UE), the auxiliary information is inaccurate, and the auxiliary information can be ignored;
  • the moving speed of the terminal sending the auxiliary information for example, if the speed of the UE transmitting the auxiliary information is greater than a certain threshold value, the auxiliary information is inaccurate, and the TX UE can ignore the auxiliary information;
  • the moving direction of the terminal sending the assistance information may give priority to assistance information from UEs traveling in the same direction.
  • the sender terminal may determine an alternative resource set according to the resource monitoring result and auxiliary information notified by other UEs (such as the receiver terminal), and then select a transmission resource from the alternative resource set.
  • the determining of the candidate resource set by the transmitting terminal according to the resource monitoring result and/or the auxiliary information includes:
  • the related measurement parameters of the resources in the auxiliary information and/or the related measurement parameters of the resources obtained according to the resource monitoring result are used to determine the value of the related measurement parameters of the resources in the resource selection window and/or the related measurement parameters of the resources.
  • Thresholds for relevant measurement parameters include:
  • Y min(Y1, Y2)
  • Y1 is the resource-related measurement parameter and/or the threshold value of the resource-related measurement parameter obtained according to the resource monitoring result
  • Y2 is the resource-related measurement parameter and/or the resource-related measurement parameter in the auxiliary information.
  • Threshold values, a, b are values agreed upon in the protocol or configured by the control node or pre-configured by the control node or indicated by other terminals.
  • the TX UE when it selects resources, it adjusts the RSRP measurement values of the resources in the resource selection window.
  • the first preset threshold, the second preset threshold, and the first preset value are the values agreed upon in the protocol or configured by the control node or preconfigured by the control node or indicated by other terminals.
  • RSRP2 corresponding to some resources in the resource selection window is greater than an RSRP2 threshold1
  • the RSRP2 is adjusted to infinite (then the TX UE will not select this resource as a transmission resource).
  • the RSRP2 threshold1 adopts a protocol stipulation or a value that is obtained from the control node configuration or control node pre-configuration or other UE instructions according to the rules agreed on in the protocol.
  • the RSRP2 is adjusted to 0.
  • RSRP2 may be an independent RSRP value on each resource reported by the UE, or a RSRP representative value (for example, a maximum value, a minimum value or an average value) of a group of resources.
  • the determination of the alternative resource set by the transmitting end terminal according to the resource monitoring result and/or the auxiliary information includes:
  • the value of the priority of the resource in the resource selection window is determined by using the priority information of the resource in the auxiliary information and/or the priority information of the resource obtained according to the resource monitoring result.
  • the value of determining the priority of the resource in the resource selection window by using the priority information of the resource in the auxiliary information and/or the priority information of the resource obtained according to the resource monitoring result includes:
  • X1 is the priority information of the resource obtained according to the resource monitoring result
  • X2 is the priority information of the resource in the auxiliary information
  • c, d are the agreement of the protocol or the configuration of the control node or the pre-configuration of the control node or the instructions of other terminals value.
  • the TX UE when the TX UE selects resources, it adjusts the priority detection value of the resources in the resource selection window, and the adjustment uses the priority information detected by the TX UE and the priority information reported by other UEs.
  • the agreed rules obtain or control node configuration or control node pre-configured or other UE-indicated values.
  • the priority information of the resources in the auxiliary information is greater than a third preset threshold, adjusting the value of the priority information of the resources in the auxiliary information to the second preset value;
  • the priority information of the resources in the auxiliary information is smaller than the fourth preset threshold, adjusting the value of the priority information of the resources in the auxiliary information to 0;
  • the third preset threshold value, the fourth preset threshold value and the second preset value are values agreed in the protocol or configured by the control node or pre-configured by the control node or indicated by other terminals.
  • the TX UE may determine an alternative resource set according to the sensing result and/or the information reported by the RX UE, and then combine the resource set reported by the RX UE (that is, the auxiliary resource set) and the determined alternative resource set for resource selection. .
  • the existing technology can be used to determine the alternative resource set, or the alternative resource set can be determined in combination with the existing technology and the information reported by the RX UE.
  • the determining of the candidate resource set by the transmitting terminal according to the resource monitoring result and/or the auxiliary information includes:
  • the measured value threshold of the candidate resource is determined according to the auxiliary information notified by the terminal at the receiving end, and the candidate resource set is determined according to the measured value threshold.
  • the measurement value threshold includes a threshold value of a relevant measurement parameter of the resource in the assistance information or is determined according to the assistance information.
  • the TX UE determines RSRP_threshold3 according to the information reported by the RX UE, and determines the alternative resource set according to the RSRP threshold, where the RSRP threshold3 can be the RSRP threshold value reported by the RX UE, or obtained according to the information reported by the RX UE.
  • the probability of each candidate resource being selected is determined according to the set of auxiliary resources and the set of candidate resources, wherein,
  • the first candidate resource has a first probability, the first candidate resource is located in both the auxiliary resource set and the candidate resource set;
  • the second candidate resource has a second probability, the second candidate resource is located in the set of candidate resources, but not in the set of auxiliary resources;
  • the third candidate resource has a third probability, and the third candidate resource is located in the set of auxiliary resources, but not in the set of alternative resources .
  • At least one of the first probability, the second probability and the third probability is related to the measurement parameter or the threshold value of the measurement parameter.
  • the ratio and/or difference between the second probability and the third probability is obtained by the RSRP ratio and/or difference between the candidate resource set and the auxiliary resource set, for example:
  • the resources of the grant include one or a group of SL transmission resources, wherein the value and/or the maximum value and/or the minimum value of the number N of the sidelink grants are the protocol agreement or the configuration of the control node or the pre-configuration of the control node or other value indicated by the terminal.
  • the transmitting end terminal acquiring or creating at least one sidelink authorization according to the auxiliary information includes any of the following:
  • the auxiliary information includes the resource information of the sidelink authorization proposed by other terminals, and the transmitting terminal selects N resources of the sidelink authorization from the proposed resource information of the sidelink authorization, where N is a positive value. integer;
  • the auxiliary information includes resource reservation information authorized by the sidelinks of other terminals, and the transmitting terminal selects N resources authorized by the sidelinks according to the resource reservation information authorized by the sidelinks.
  • the resource indicated by the resource reservation information of the side link grant is a first priority resource or a second priority resource, and the first priority is higher than the second priority, so
  • the transmitting terminal selects resources according to the resource reservation information authorized by the side link, it preferentially selects the resources of the first priority, and the resources of the first priority may be referred to as truly reserved SL grant resources, which are
  • the resources selected by the TX UE with high priority and the resources with the second priority can be called pseudo-reserved SL grant resources, which are the resources selected by the TX UE with low priority.
  • the method further includes:
  • the transmitting end terminal indicates the selected resource of the sidelink grant to other terminals by means of resource reservation.
  • resource selection can be performed according to the resources authorized by the side link selected by the terminal at the transmitting end, so as to improve the reliability of side link transmission.
  • the resource reservation of the resources of the SL grant is performed.
  • the resource set can be divided into resource modes, the TX UE only needs to transmit on a certain SL grant resource, and the nearby UE detects that the TX UE is transmitting on a certain SL grant resource, and the nearby UE can default
  • the SL grant resource is occupied; if the SL grant resource can be divided to appear periodically, then the resource reservation can also indicate how many periods the SL grant resource will be reserved.
  • the resources indicated by the terminal at the transmitting end to other terminals are resources of the first priority or resources of the second priority, the first priority is higher than the second priority, and the resources of the first priority may be It is called the real reserved SL grant resource, which is the resource used by the TX UE with high priority, and the second priority resource can be called the pseudo-reserved SL grant resource, which is the resource used by the TX UE with low priority or meets the requirements of Resources that can only be used under certain conditions.
  • the transmitting terminal When instructing the selected resources for sidelink authorization to other terminals by means of resource reservation, the transmitting terminal indicates to other terminals respectively the selected resources for each sidelink authorization;
  • the transmitting end terminal uniformly indicates all or part of the selected resources authorized by the sidelink to other terminals through physical layer signaling or high layer signaling.
  • the method further includes:
  • the transmitting end terminal selects the resources used for sidelink transmission from the resources of the at least one sidelink grant according to any one of the following, and/or selects the resources used for sidelink transmission from the at least one sidelink grant
  • Transmission time that is, the SL grant resource for sidelink transmission is selected according to the transmission time
  • the position of the transmitting end terminal that is, according to the position of the TX UE such as the zone ID (zone ID), the SL grant resource for side link transmission is selected;
  • the identifier of the sending end terminal that is, according to the identifier of the sending end terminal, such as UE ID or member ID, the SL grant resource for side link transmission is selected.
  • the interference of the transmission can be randomized.
  • a resource set may be divided or configured or pre-configured into one or at least two of the sidelink authorized resources according to a preset mode, for the UE to select according to a fixed resource mode.
  • the resource set may be Orthogonal SL grant resources, partially overlapping SL grant resources, or both are divided according to the resource pattern.
  • the sender terminal When the sender terminal performs resource selection according to at least one piece of auxiliary information notified by other nodes, the sender terminal performs resource selection according to at least one piece of auxiliary information, including at least one of the following:
  • the sender terminal obtains at least one auxiliary information notified by a unicast terminal (unicast RX UE);
  • the sender terminal obtains at least one auxiliary information notified by a multicast terminal (groupcast RX UEs);
  • the sender terminal acquires at least one piece of auxiliary information notified by a proximity terminal (proximity UE).
  • the UE notifies other surrounding UEs of the resources it tends to use.
  • TX UEs When other UEs act as TX UEs, they need to consider these resource notification information for resource selection; for unicast transmission, as shown in Figure 4, the TX UE It is only necessary to consider the resources that its RX UE (UE-A in the figure) tends to select to select resources.
  • set of UE-A is the resource set of UE-A
  • resource set notified by pair-UE is the opposite end
  • the proximity-UEs of TX UEs can be determined according to the distance between the TX UE and the surrounding UEs. For example, the distance between the surrounding UEs and the TX UEs is less than a preset threshold value, the surrounding UE is proximity-UE, and the distance can be the absolute distance between UEs, or the reference distance between the TX UE and the zone where the surrounding UE is located (for example, the distance between the TX UE and the center of the zone where the surrounding UE is located), or the TX UE Energy value measured from signals sent by surrounding UEs (eg RSRP or RSSI or RSRQ or SNR or SINR value).
  • RSRP RSRP or RSSI or RSRQ or SNR or SINR value
  • the auxiliary information needs to be processed, including:
  • the sender terminal receives M resource sets notified by other nodes
  • the transmitting end terminal determines the second weight of the resource according to the first weight of the resource in the M resource sets;
  • the sender terminal performs resource selection according to the second weight of the resource.
  • the transmitting-end terminal determines the second weight of the resource according to the first weight of the resource in the M resource sets, including any of the following:
  • the L resource sets are numbered from i to j, and the second weight W of the resource is: Wn is the first weight of the resource in the nth resource set, n is an integer greater than or equal to i and less than or equal to j, and i, j are integers greater than or equal to 1 and less than or equal to M;
  • the L resource sets are numbered from i to j, and the second weight W of the resource is: Wn is the first weight of the resource in the nth resource set, n is an integer greater than or equal to i and less than or equal to j, and i, j are integers greater than or equal to 1 and less than or equal to M.
  • Wi...Wj can be 1;
  • Kn is related to the distance between the terminal notifying the auxiliary information and the transmitting terminal, such as absolute distance, zone distance, signal measurement strength RSRP, RSSI, etc.
  • the value of k increases with the increase of distance or signal strength increase or decrease; or
  • Kn is obtained according to the source or validity period of the auxiliary information, for example, the longer the time of the auxiliary information, the smaller the weight.
  • the weight of the assistance information from the base station side is higher than the weight of the assistance information from the UE side
  • the weight of the assistance information from the scheduling UE side is higher than the weight of the assistance information from the normal UE side.
  • the transmitting terminal adjusts the measurement parameter value of the resource according to the second weight of the resource.
  • the RSRP measurement value or RSRP threshold is changed according to the resource weight, for example, the RSRP measurement value of the resource is adjusted to W*RSRP or adjusted to RSRP plus or minus W , W is the resource weight; or, the sender terminal adjusts the probability of the resource being selected according to the second weight of the resource, for example, when selecting a transmission resource in the candidate resource set, adjust the resource selection probability, for example, the resource is selected by
  • the selected probability is a function f(W) of W, and f(W) can be an increasing function.
  • the execution body may be a resource selection apparatus, or a module in the resource selection apparatus for executing the method for loading a resource selection.
  • the resource selecting method provided by the embodiment of the present application is described by taking the method for selecting a loaded resource performed by a resource selecting device as an example.
  • An embodiment of the present application provides a resource selection apparatus, which is applied to a terminal 300. As shown in FIG. 7 , the apparatus includes:
  • an obtaining module 310 configured to obtain auxiliary information of other nodes
  • the processing module 320 is configured to perform resource selection at least according to the auxiliary information, including any one of the following:
  • the sidelink grant includes one or a group of sidelink transmission resources
  • Resource selection is performed according to at least one of the auxiliary information.
  • the transmitting terminal acquires auxiliary information of other nodes, and uses the auxiliary information to select resources, so that the transmitting terminal can select resources reasonably, taking into account the requirements of low latency and high reliability, and ensuring side link transmission Have high reliability.
  • the auxiliary information includes at least one of the following:
  • the threshold value of the relevant measurement parameters of the resource is the threshold value of the relevant measurement parameters of the resource.
  • the processing module 320 is specifically configured to determine the relevant measurement parameters of the resources in the resource selection window by using the relevant measurement parameters of the resources in the auxiliary information and/or the relevant measurement parameters of the resources obtained according to the resource monitoring result. Threshold value for the associated measurement parameter of the value and/or resource.
  • the processing module 320 is specifically configured to use any of the following formulas to determine the value of the quality parameter of the resource and/or the threshold value Y of the related measurement parameter of the resource in the resource selection window:
  • Y min(Y1, Y2)
  • Y1 is the resource-related measurement parameter and/or the threshold value of the resource-related measurement parameter obtained according to the resource monitoring result
  • Y2 is the resource-related measurement parameter and/or the resource-related measurement parameter in the auxiliary information.
  • Threshold values, a, b are values agreed upon in the protocol or configured by the control node or pre-configured by the control node or indicated by other terminals.
  • the processing module 320 is specifically configured to adjust the value of the relevant measurement parameter of the resource in the auxiliary information to the first value if the relevant measurement parameter of the resource in the auxiliary information is greater than a first preset threshold. default value;
  • the first preset threshold, the second preset threshold, and the first preset value are the values agreed upon in the protocol or configured by the control node or preconfigured by the control node or indicated by other terminals.
  • the processing module 320 is specifically configured to determine the priority of the resource in the resource selection window by using the priority information of the resource in the auxiliary information and/or the priority information of the resource obtained according to the resource monitoring result. value.
  • the processing module 320 is specifically configured to use any of the following formulas to determine the value X of the priority of the resource in the resource selection window:
  • X1 is the priority information of the resource obtained according to the resource monitoring result
  • X2 is the priority information of the resource in the auxiliary information
  • c, d are the agreement of the protocol or the configuration of the control node or the pre-configuration of the control node or the instructions of other terminals value.
  • the processing module 320 is specifically configured to adjust the value of the priority information of the resources in the auxiliary information to the second value if the priority information of the resources in the auxiliary information is greater than a third preset threshold. default value;
  • the priority information of the resources in the auxiliary information is smaller than the fourth preset threshold, adjusting the value of the priority information of the resources in the auxiliary information to 0;
  • the third preset threshold value, the fourth preset threshold value and the second preset value are values agreed in the protocol or configured by the control node or pre-configured by the control node or indicated by other terminals.
  • the processing module 320 is specifically configured to determine a measurement value threshold of the candidate resource according to the auxiliary information notified by the receiving terminal, and determine the candidate resource set according to the measurement value threshold.
  • the measurement value threshold includes a threshold value of a related measurement parameter of the resource in the assistance information or is determined according to the assistance information.
  • the processing module 320 is specifically configured to determine the probability that each candidate resource is selected according to the auxiliary resource set and the candidate resource set, wherein the first candidate resource has a first probability, and the The first candidate resource is located in both the auxiliary resource set and the candidate resource set; the second candidate resource has a second probability, and the second candidate resource is located in the candidate resource set, but not in all the auxiliary resource set; the third candidate resource has a third probability, and the third candidate resource is located in the auxiliary resource set but not in the candidate resource set.
  • the first probability is obtained according to the second probability and/or the third probability.
  • At least one of the first probability, the second probability and the third probability is related to the measurement parameter or a threshold value of the measurement parameter.
  • the value and/or the maximum value and/or the minimum value of the number N of side link grants are the values agreed upon in the protocol or configured by the control node or pre-configured by the control node or indicated by other terminals.
  • the processing module 320 is specifically configured to perform any one of the following:
  • the auxiliary information includes the resource information of the sidelink authorization proposed by other terminals, and selects N resources of the sidelink authorization from the proposed resource information of the sidelink authorization, where N is a positive integer;
  • the auxiliary information includes resource reservation information authorized by the sidelinks of other terminals, and N number of resources authorized by the sidelinks are selected according to the resource reservation information authorized by the sidelinks.
  • the resource indicated by the resource reservation information of the sidelink grant is a resource of a first priority or a resource of a second priority, and the first priority is higher than the second priority.
  • the processing module 320 is specifically configured to preferentially select the resource of the first priority when selecting the resource according to the resource reservation information of the sidelink grant.
  • the processing module 320 is specifically configured to indicate the selected resources of the sidelink grant to other terminals by means of resource reservation.
  • the processing module 320 is specifically configured to indicate that the resource to other terminals is a resource of a first priority or a resource of a second priority, where the first priority is higher than the second priority.
  • the processing module 320 is specifically configured to indicate the selected resources for each sidelink grant to other terminals respectively; or
  • All or part of the selected resources authorized by the side link are indicated to other terminals in a unified manner through physical layer signaling or high layer signaling.
  • the processing module 320 is further configured to select a resource used for sidelink transmission from among the resources authorized by the at least one sidelink according to any one of the following, and/or select a resource used for sidelink transmission in the at least one sidelink In Authorization, select the sidelink authorization used for sidelink transmission:
  • the identifier of the sender terminal is the identifier of the sender terminal.
  • a resource set is divided or configured or pre-configured into one or at least two of the sidelink authorized resources according to a preset mode.
  • the processing module 320 is specifically configured to perform at least one of the following:
  • the processing module 320 is specifically configured to receive M resource sets notified by other nodes; determine the second weight of the resource according to the first weight of the resource in the M resource sets; according to the resource The second weight of the resource selection.
  • the L resource sets are numbered from i to j, and the second weight W of the resource is: Wn is the first weight of the resource in the nth resource set, n is an integer greater than or equal to i and less than or equal to j, and i, j are integers greater than or equal to 1 and less than or equal to M;
  • the L resource sets are numbered from i to j, and the second weight W of the resource is: Wn is the first weight of the resource in the nth resource set, n is an integer greater than or equal to i and less than or equal to j, and i, j are integers greater than or equal to 1 and less than or equal to M.
  • Kn is related to the distance between the terminal notifying the auxiliary information and the transmitting terminal.
  • Kn is obtained according to the source or validity period of the auxiliary information.
  • the processing module 320 is specifically configured to perform any one of the following:
  • the transmitting end terminal adjusts the measurement parameter value of the resource according to the second weight of the resource
  • the transmitting end terminal adjusts the probability of the resource being selected according to the second weight of the resource.
  • the auxiliary information further includes at least one of the following:
  • the resource selection apparatus in this embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus may be a mobile electronic device or a non-mobile electronic device.
  • the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palmtop computer, an in-vehicle electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook, or a personal digital assistant (personal digital assistant).
  • UMPC ultra-mobile personal computer
  • netbook or a personal digital assistant
  • the non-mobile electronic device may be a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a television (television, TV), a teller machine or a self-service machine, etc., the embodiment of the present application There is no specific limitation.
  • Network Attached Storage NAS
  • personal computer personal computer, PC
  • television television
  • teller machine a self-service machine
  • the resource selection device in this embodiment of the present application may be a device with an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • an embodiment of the present application further provides an electronic device, including a processor, a memory, a program or an instruction stored in the memory and executable on the processor, and the program or instruction is executed by the processor to implement the above.
  • an electronic device including a processor, a memory, a program or an instruction stored in the memory and executable on the processor, and the program or instruction is executed by the processor to implement the above.
  • the electronic devices in the embodiments of the present application include the aforementioned mobile electronic devices and non-mobile electronic devices.
  • the electronic device in this embodiment may be a terminal.
  • 8 is a schematic diagram of the hardware structure of a terminal implementing various embodiments of the present application.
  • the terminal 50 includes but is not limited to: a radio frequency unit 51, a network module 52, an audio output unit 53, an input unit 54, a sensor 55, a display unit 56, The user input unit 57 , the interface unit 58 , the memory 59 , the processor 510 , and the power supply 511 and other components.
  • the terminal structure shown in FIG. 8 does not constitute a limitation on the terminal, and the terminal may include more or less components than the one shown, or combine some components, or arrange different components.
  • the terminals include but are not limited to mobile phones, tablet computers, notebook computers, handheld computers, vehicle-mounted terminals, wearable devices, and pedometers.
  • the radio frequency unit 51 may be used for receiving and sending signals in the process of sending and receiving information or during a call. Specifically, after receiving the downlink data from the base station, it is processed by the processor 510; The uplink data is sent to the base station.
  • the radio frequency unit 51 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.
  • the radio frequency unit 51 can also communicate with the network and other devices through a wireless communication system.
  • the memory 59 may be used to store software programs as well as various data.
  • the memory 59 may mainly include a stored program area and a stored data area, wherein the stored program area may store an operating system, an application program (such as a sound playback function, an image playback function, etc.) required for at least one function, and the like; Data created by the use of the mobile phone (such as audio data, phone book, etc.), etc.
  • memory 59 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the processor 510 is the control center of the terminal, uses various interfaces and lines to connect various parts of the entire terminal, and executes by running or executing the software programs and/or modules stored in the memory 59, and calling the data stored in the memory 59. Various functions of the terminal and processing data, so as to monitor the terminal as a whole.
  • the processor 510 may include one or at least two processing units; preferably, the processor 510 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs, etc., and the modem
  • the modulation processor mainly handles wireless communication. It can be understood that the above-mentioned modulation and demodulation processor may not be integrated into the processor 510.
  • the terminal 50 may also include a power supply 511 (such as a battery) for supplying power to various components.
  • a power supply 511 (such as a battery) for supplying power to various components.
  • the power supply 511 may be logically connected to the processor 510 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. Function.
  • the terminal 50 includes some unshown functional modules, which are not repeated here.
  • the processor 510 is configured to obtain auxiliary information of other nodes; at least perform resource selection according to the auxiliary information, including any of the following:
  • the sidelink grant includes one or a group of sidelink transmission resources
  • Resource selection is performed according to at least one of the auxiliary information.
  • the auxiliary information includes at least one of the following:
  • the threshold value of the relevant measurement parameters of the resource is the threshold value of the relevant measurement parameters of the resource.
  • the processor 510 is configured to use the relevant measurement parameters of the resources in the auxiliary information and/or the relevant measurement parameters of the resources obtained according to the resource monitoring result to determine the relevant measurement parameter values of the resources in the resource selection window and/or. or the threshold value of the relevant measurement parameters of the resource.
  • the processor 510 is configured to use any of the following formulas to determine the value of the quality parameter of the resource and/or the threshold value Y of the related measurement parameter of the resource in the resource selection window:
  • Y min(Y1, Y2)
  • Y1 is the resource-related measurement parameter and/or the threshold value of the resource-related measurement parameter obtained according to the resource monitoring result
  • Y2 is the resource-related measurement parameter and/or the resource-related measurement parameter in the auxiliary information.
  • Threshold values, a, b are values agreed upon in the protocol or configured by the control node or pre-configured by the control node or indicated by other terminals.
  • the processor 510 is configured to adjust the value of the relevant measurement parameter of the resource in the auxiliary information to a first preset value if the relevant measurement parameter of the resource in the auxiliary information is greater than a first preset threshold. ; if the relevant measurement parameter of the resource in the auxiliary information is less than the second preset threshold, adjust the value of the relevant measurement parameter of the resource in the auxiliary information to 0; wherein, the first preset threshold, the second preset threshold The threshold value and the first preset value are values agreed upon in the protocol or configured by the control node or pre-configured by the control node or indicated by other terminals.
  • the processor 510 is configured to use the resource priority information in the auxiliary information and/or the resource priority information obtained according to the resource monitoring result to determine the value of the priority of the resource in the resource selection window.
  • the processor 510 is configured to use any one of the following formulas to determine the value X of the priority of the resource in the resource selection window:
  • X1 is the priority information of the resource obtained according to the resource monitoring result
  • X2 is the priority information of the resource in the auxiliary information
  • c, d are the agreement of the protocol or the configuration of the control node or the pre-configuration of the control node or the instructions of other terminals value.
  • the processor 510 is configured to adjust the value of the priority information of the resources in the auxiliary information to a second preset value if the priority information of the resources in the auxiliary information is greater than a third preset threshold. ; if the priority information of the resources in the auxiliary information is less than the fourth preset threshold, adjust the value of the priority information of the resources in the auxiliary information to 0;
  • the third preset threshold value, the fourth preset threshold value and the second preset value are values agreed in the protocol or configured by the control node or pre-configured by the control node or indicated by other terminals.
  • the processor 510 is configured to determine a measurement threshold of the candidate resources according to the auxiliary information notified by the receiving terminal, and determine the candidate resource set according to the measurement threshold.
  • the measurement value threshold includes a threshold value of a related measurement parameter of the resource in the assistance information or is determined according to the assistance information.
  • the processor 510 is configured to determine a probability that each candidate resource is selected according to the auxiliary resource set and the candidate resource set, wherein the first candidate resource has a first probability, and the first candidate resource has a first probability.
  • the candidate resource is located in both the auxiliary resource set and the candidate resource set; the second candidate resource has a second probability, and the second candidate resource is located in the candidate resource set, but not in the auxiliary resource.
  • the third candidate resource has a third probability, and the third candidate resource is located in the auxiliary resource set but not in the candidate resource set.
  • the first probability is obtained according to the second probability and/or the third probability.
  • At least one of the first probability, the second probability and the third probability is related to the measurement parameter or a threshold value of the measurement parameter.
  • the value and/or the maximum value and/or the minimum value of the number N of side link grants are the values agreed upon in the protocol or configured by the control node or pre-configured by the control node or indicated by other terminals.
  • the auxiliary information includes resource information of sidelink grants proposed by other terminals, and the processor 510 is configured to select N of the sidelinks from the suggested resource information of sidelink grants Authorized resources, N is a positive integer;
  • the auxiliary information includes resource reservation information of the sidelink authorization of other terminals, and the processor 510 is configured to select N resources of the sidelink authorization according to the resource reservation information of the sidelink authorization.
  • the resource indicated by the resource reservation information of the sidelink grant is a resource of a first priority or a resource of a second priority, and the first priority is higher than the second priority.
  • the processor 510 is configured to preferentially select the resource of the first priority when selecting the resource according to the resource reservation information of the sidelink grant.
  • the processor 510 is configured to indicate the selected resources of the sidelink grant to other terminals by means of resource reservation.
  • the resource indicated by the transmitting terminal to other terminals is a resource of a first priority or a resource of a second priority, and the first priority is higher than the second priority.
  • the processor 510 is configured to indicate the selected resources for each sidelink grant to other terminals respectively;
  • the processor 510 is configured to uniformly indicate all or part of the selected resources of the sidelink grant to other terminals through physical layer signaling or high layer signaling.
  • the processor 510 is configured to select a resource used for sidelink transmission among the resources of the at least one sidelink grant according to any one of the following, and/or select among the at least one sidelink grant: Sidelink grants used by sidelink transmissions:
  • the identifier of the sender terminal is the identifier of the sender terminal.
  • a resource set is divided or configured or pre-configured into one or at least two of the sidelink authorized resources according to a preset mode.
  • the processor 510 is configured to perform at least one of the following:
  • the processor 510 is configured to receive M resource sets notified by other nodes; determine the second weight of the resource according to the first weight of the resource in the M resource sets; and determine the second weight of the resource according to the second weight of the resource. weights for resource selection.
  • the L resource sets are numbered from i to j, and the second weight W of the resource is: Wn is the first weight of the resource in the nth resource set, n is an integer greater than or equal to i and less than or equal to j, and i, j are integers greater than or equal to 1 and less than or equal to M;
  • the L resource sets are numbered from i to j, and the second weight W of the resource is: Wn is the first weight of the resource in the nth resource set, n is an integer greater than or equal to i and less than or equal to j, and i, j are integers greater than or equal to 1 and less than or equal to M.
  • Kn is related to the distance between the terminal notifying the auxiliary information and the transmitting terminal.
  • Kn is obtained according to the source or validity period of the auxiliary information.
  • the processor 510 is configured to adjust the measurement parameter value of the resource according to the second weight of the resource; and adjust the probability of the resource being selected according to the second weight of the resource.
  • the auxiliary information further includes at least one of the following:
  • the embodiments of the present application further provide 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 embodiment of the above-mentioned resource selection method is implemented, and can achieve The same technical effect, in order to avoid repetition, will not be repeated here.
  • the processor is the processor in the electronic device described in the foregoing embodiments.
  • 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 embodiments of the resource selection method and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
  • 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-a-chip, or a system-on-a-chip, or the like.
  • the terms “comprising”, “comprising” or any other variation thereof are intended to encompass a non-exclusive inclusion, such that a process, method, article or device that includes a list of elements does not include those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase “comprising a" does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.
  • the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in the reverse order depending on the functions involved. To perform functions, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to some examples may be combined in other examples.
  • the disclosed apparatus and method may be implemented in other manners.
  • the apparatus 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 may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • modules, units, and subunits can be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processor (DSP), Digital Signal Processing Device (DSP Device, DSPD) ), Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), general-purpose processor, controller, microcontroller, microprocessor, in other electronic units or combinations thereof.
  • ASIC Application Specific Integrated Circuits
  • DSP Digital Signal Processor
  • DSP Device Digital Signal Processing Device
  • DSPD Digital Signal Processing Device
  • PLD Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • the technologies described in the embodiments of the present disclosure may be implemented through modules (eg, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • Software codes may be stored in memory and executed by a processor.
  • the memory can be implemented in the processor or external to the processor.

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Abstract

本申请公开了一种资源选择方法、装置及电子设备，属于通信技术领域。资源选择方法包括：发送端终端获取其他节点的辅助信息；所述发送端终端至少根据所述辅助信息进行资源选择，包括以下任一项：所述发送端终端根据资源监测结果和/或所述辅助信息确定备选资源集合，根据备选资源集合和/或辅助信息进行资源选择；所述发送端终端根据所述辅助信息获取或创建至少一个旁链路授权sidelink grant，所述旁链路授权包括一个或一组旁链路传输资源；所述发送端终端根据至少一个所述辅助信息进行资源选择。

Description

资源选择方法、装置及电子设备
相关申请的交叉引用
本申请主张在2020年8月28日在中国提交的中国专利申请号No.202010890054.5的优先权，其全部内容通过引用包含于此。
技术领域
本申请涉及通信技术领域，尤其涉及一种资源选择方法、装置及电子设备。
背景技术
受硬件约束和场景限制，旁链路传输的可靠性较低。为了提高旁链路传输的可靠性，可以向发送端终端(TX UE)建议一些辅助信息，以辅助TX UE进行资源选择和/或调整TX UE的传输参数，但TX UE如何利用辅助信息进行资源选择仍然是待解决的问题。
发明内容
本申请实施例提供了一种资源选择方法、装置及电子设备，能够提高旁链路传输的可靠性。
第一方面，本申请实施例提供了一种资源选择方法，所述方法包括：
发送端终端获取其他节点的辅助信息；
所述发送端终端至少根据所述辅助信息进行资源选择，包括以下任一项：
所述发送端终端根据资源监测结果和/或所述辅助信息确定备选资源集合，根据备选资源集合和/或辅助信息进行资源选择；
所述发送端终端根据所述辅助信息获取或创建至少一个旁链路授权sidelink grant，所述旁链路授权包括一个或一组旁链路传输资源；
所述发送端终端根据至少一个所述辅助信息进行资源选择。
第二方面，本申请实施例提供了一种资源选择装置，所述装置包括：
获取模块，用于获取其他节点的辅助信息；
处理模块，用于至少根据所述辅助信息进行资源选择，包括以下任一项：
根据资源监测结果和/或所述辅助信息确定备选资源集合，根据备选资源集合和/或辅助信息进行资源选择；
根据所述辅助信息获取或创建至少一个旁链路授权sidelink grant，所述旁链路授权包括一个或一组旁链路传输资源；
根据至少一个所述辅助信息进行资源选择。
第三方面，本申请实施例还提供了一种电子设备，包括处理器，存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如上所述的方法的步骤。
第四方面，本申请实施例提供了一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如上所述的方法的步骤。
第五方面，本申请实施例提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现如第一方面所述的方法。
第六方面，本申请实施例提供了一种计算机软件产品，所述计算机软件产品被存储在非易失的存储介质中，所述软件产品被配置成被至少一个处理器执行以实现如第一方面所述的方法的步骤。
第七方面，本申请实施例提供了一种电子设备，所述电子设备被配置成用于执行如第一方面所述的方法。
在本申请实施例中，发送端终端获取其他节点的辅助信息，并利用辅助信息进行资源选择，可以使得发送端终端进行合理地资源选择，兼顾低时延和高可靠要求，保证旁链路传输有较高的可靠性。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对本申请实施例的描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1表示无线通信系统的示意图；
图2表示UE-A向UE-B通知辅助信息的示意图；
图3表示本申请实施例资源选择方法的流程示意图；
图4-图6表示本申请实施例获取不同类型的终端的辅助信息的示意图；
图7表示本申请实施例资源选择装置的结构示意图；
图8表示本申请实施例的终端的组成示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”，一般表示前后关联对象是一种“或”的关系。
本文所描述的技术不限于长期演进型(Long Term Evolution，LTE)/LTE的演进(LTE-Advanced，LTE-A)系统，并且也可用于各种无线通信系统，诸如码分多址(Code Division Multiple Access，CDMA)、时分多址(Time Division Multiple Access，TDMA)、频分多址(Frequency Division Multiple Access，FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access，OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access，SC-FDMA)和其他系统。术语“系统”和“网络”常被可互换地使用。CDMA系统可实现诸如CDMA2000、通用地面无线电接入(Universal Terrestrial Radio Access，UTRA)等无线电技术。UTRA包括宽带CDMA(Wideband Code Division Multiple Access，WCDMA)和其他CDMA变体。TDMA系统可实现诸如全球移动通信系统(Global System for Mobile Communication，GSM)之类的无线电技术。OFDMA系统可实现诸如超移动宽带(Ultra Mobile  Broadband，UMB)、演进型UTRA(Evolution-UTRA，E-UTRA)、IEEE 802.11(Wi-Fi)、IEEE 802.16(WiMAX)、IEEE 802.20、Flash-OFDM等无线电技术。UTRA和E-UTRA是通用移动电信系统(Universal Mobile Telecommunications System，UMTS)的部分。LTE和更高级的LTE(如LTE-A)是使用E-UTRA的新UMTS版本。UTRA、E-UTRA、UMTS、LTE、LTE-A以及GSM在来自名为“第三代伙伴项目”(3rd Generation Partnership Project，3GPP)的组织的文献中描述。CDMA2000和UMB在来自名为“第三代伙伴项目2”(3GPP2)的组织的文献中描述。本文所描述的技术既可用于以上提及的系统和无线电技术，也可用于其他系统和无线电技术。然而，以下描述出于示例目的描述了NR系统，并且在以下大部分描述中使用NR术语，尽管这些技术也可应用于NR系统应用以外的应用。
以下描述提供示例而并非限定权利要求中阐述的范围、适用性或者配置。可以对所讨论的要素的功能和布置作出改变而不会脱离本公开的精神和范围。各种示例可恰适地省略、替代、或添加各种规程或组件。例如，可以按不同于所描述的次序来执行所描述的方法，并且可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
请参见图1，图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络侧设备12。其中，终端11也可以称作终端设备或者用户终端(User Equipment，UE)，终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)、个人数字助理(Personal Digital Assistant，PDA)、移动上网装置(Mobile Internet Device，MID)、可穿戴式设备(Wearable Device)或车载设备等终端侧设备，需要说明的是，在本申请实施例中并不限定终端11的具体类型。网络侧设备12可以是基站或核心网，其中，上述基站可以是第五代(5 th Generation，5G)及以后版本的基站(例如：gNB、5G NR NB等)，或者其他通信系统中的基站(例如：演进型B节点(evolved Node B，eNB)、无线局域网(wireless local area network，WLAN)接入点、或其他接入点等)，或者为位置服务器(例如：演进的服务移动位置中心(Evolved Serving Mobile Location Centre，E-SMLC)或本地管理功能(Location Manager Function，LMF))，其中，基站可被称为节 点B、演进节点B、接入点、基收发机站(Base Transceiver Station，BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set，BSS)、扩展服务集(Extended Service Set，ESS)、B节点、eNB、家用B节点、家用演进型B节点、WLAN接入点、无线保真(wireless fidelity，WiFi)节点或所述领域中其他某个合适的术语，只要达到相同的技术效果，所述基站不限于特定技术词汇，需要说明的是，在本申请实施例中仅以NR系统中的基站为例，但是本申请实施例并不限定基站的具体类型和具体通信系统。
新空口(New Radio，NR)旁链路(Sidelink，SL)资源分配方式有两种，一种基于基站调度(mode 1)，另一种基于终端(User Equipment，UE)自主资源选择(mode 2)。对于基站调度的资源分配方式，UE用于数据传输的sidelink资源由基站决定，并通过下行信令通知TX UE；对于UE自主选择的资源分配方式，UE在(预)配置的资源池中选择可用的传输资源，UE在资源选择之前先进行信道监听，根据信道监听结果选择出干扰较小的资源集合，再从资源集合中随机选择用于传输的资源。
对于mode 2，具体的工作方式如下：
1)TX UE在资源选择被触发后，首先确定资源选择窗口。其中，资源选择窗口的下边界在资源选择触发后的T1时间，资源选择窗口的上边界在触发后的T2时间。
其中T2是UE在其传输块(Transport Block，TB)传输的数据时延(packet delay budget，PDB)内选择的值，T2不早于T1。
2)UE在资源选择之前，需要确定资源选择的备选资源集合(candidate resource set)，根据资源选择窗口内的资源上的参考信号接收功率(Reference Signal Received Power，RSRP)测量值与相应的RSRP门限(threshold)做对比(RSRP和RSRP threshold不是直接在所述资源选择窗口内的资源上直接测量的，而是根据监听(sensing)结果确定的)，如果RSRP高于RSRP threhold，那么对该资源进行资源排除，不能纳入备选资源集合，进行资源排除后资源选择窗口内剩余的资源组成备选资源集合。
备选资源集合中的资源在资源选择窗口中的资源的占比要不少于20％，如果少于x％(例如x＝20/40/60)，RSRP threshold需要按照步进值(3dB)进行 增加，再进行所述资源排除操作，直到可以选出不少于所述x％的资源。
3)备选资源集合确定后，UE随机在备选资源集合中选择传输资源。另外，UE在本次传输可以为接下来的传输预留传输资源。
相关技术中，旁链路传输至少包括以下场景：
场景一：由于半双工的限制，接收端终端(RX UE)不能同时收发。RX UE向TX UE建议资源集合(例如，RX UE在这些资源集合上将进行接收操作)辅助TX UE进行资源选择，这样能够提高这对UE之间的传输可靠性。
场景二：由于mode 2资源选择的缺陷性，不同TX UE的资源选择会有冲突的可能，该缺陷性至少由于mode 2资源选择过程中资源监听的不准确性(例如TX UE和RX UE侧的信道监听结果不一致)和资源选择存在一定随机性造成。
场景三：RX UE收到至少两个TX UE的物理旁链路控制信道(physical sidelink control channel，PSCCH)传输，对至少两个PSCCH传输反馈物理旁链路反馈信道(physical sidelink feedback channel，PSFCH)时，如果PSCCH传输所对应的PSFCH落在相同的PSFCH时机(occasion)，由于UE能力和/或功率控制的限制，不能同时发送至少两个PSFCH，导致传输可靠性无法保证。
为了提高旁链路传输的可靠性，可以向发送端终端(TX UE)建议一些辅助信息，以辅助TX UE进行资源选择和/或调整TX UE的传输参数。
比如，如图2所示，UE-A决定一个资源集合，UE-A将资源集合通知给UE-B，UE-B在进行mode 2资源选择可以考虑UE-A所通知的资源集合。所述资源集合即为一种辅助信息。
综上所述，NR SL mode 2的资源选择存在可靠性较低的缺陷，尤其在低时延传输的场景下，由于备选资源个数有限，mode 2资源选择的可靠性会更低。通过向TX UE发送辅助信息可以提高mode 2资源选择的可靠性，但是TX UE如何利用辅助信息进行资源选择仍然是待解决的问题。
本申请实施例提供了一种资源选择方法，如图3所示，包括：
步骤101：发送端终端获取其他节点的辅助信息；
所述发送端终端至少根据所述辅助信息进行资源选择，包括以下任一项：
所述发送端终端根据资源监测结果和/或所述辅助信息确定备选资源集合，根据备选资源集合和/或辅助信息进行资源选择；
所述发送端终端根据所述辅助信息获取或创建至少一个旁链路授权sidelink grant，所述旁链路授权包括一个或一组旁链路传输资源；
所述发送端终端根据至少一个所述辅助信息进行资源选择。
在本申请实施例中，发送端终端获取其他节点的辅助信息，并利用辅助信息进行资源选择，可以使得发送端终端进行合理地资源选择，兼顾低时延和高可靠要求，保证旁链路传输有较高的可靠性。
其中，其他节点包括控制节点和其他终端。
其中，在发送端终端仅根据资源监测结果确定备选资源集合时，发送端终端需要结合备选资源集合和辅助信息进行资源选择，即发送端终端需要以辅助信息为依据进行资源选择。
一些实施例中，所述辅助信息包括以下至少一项：
辅助资源集合，包括第一资源集和/或第二资源集，第一资源集包括给定的时间窗口和/或频域范围内的所有时频资源，第二资源集包括给定的时间窗口和/或频域范围内的若干时域和/或频域资源，例如时间窗口和/或频域范围内的资源中的部分集中和/或离散分布的资源，可以通过比特位图或其他指示信息指示时间窗口和/或频域范围内的哪些资源属于第二资源集。其中，时域和/或频域资源的粒度可以由协议约定或控制节点配置或控制节点预配置或终端自主决定或其他终端通知，上述时间窗口和/或频域范围可以与接收端终端或发送端终端的资源选择窗口相关，或与接收端终端或发送端终端的资源监听窗口相关，或是根据协议约定或控制节点配置的规则得到的窗口，或其他节点通知的窗口等等；
资源的相关测量参数，包括以下至少一项：第一资源集的资源上测量的测量参数值中的最大值；第二资源集的资源上测量的测量参数值中的最大值；第一资源集的资源上测量的测量参数值中的最小值，第二资源集的资源上测量的测量参数值中的最小值；第一资源集的资源上测量的测量参数值中的平均值；第二资源集的资源上测量的测量参数值中的平均值；预设资源集合中除第一资源集的资源外所有资源上测量的测量参数值中的最大值；预设资源 集合中除第二资源集的资源外所有资源上测量的测量参数值中的最大值；预设资源集合中除第一资源集的资源外所有资源上测量的测量参数值中的最小值；预设资源集合中除第二资源集的资源外所有资源上测量的测量参数值中的最小值；预设资源集合中除第一资源集的资源外所有资源上测量的测量参数值中的平均值；预设资源集合中除第二资源集的资源外所有资源上测量的测量参数值中的平均值；第一资源集每个资源上测量的测量参数值；第二资源集每个资源上测量的测量参数值；预设资源集合中除第一资源集的资源外每个资源上测量的测量参数值；预设资源集合中除第二资源集的资源外每个资源上测量的测量参数值；其中，所述预设资源集合可以是控制节点配置或协议约定或根据协议约定的规则得到的或为辅助资源集合中所述的时间窗口和/或频域范围内的资源，例如第一资源集。测量参数值包括以下至少一项参考信号接收功率(Reference Signal Received Power，RSRP)，接收的信号强度指示(Received Signal Strength Indication，RSSI)，参考信号接收质量(Reference Signal Received Quality，RSRQ)，信号与干扰加噪声比(Signal to Interference plus Noise Ratio，SINR)，信噪比(Signal-to-noise ratio,SNR)；
资源的相关优先级信息，包括以下至少一项：第一资源集的资源上检测的优先级中的最大值；第二资源集的资源上检测的优先级中的最大值；第一资源集的资源上检测的优先级中的最小值；第二资源集的资源上检测的优先级中的最小值；第一资源集的资源上检测的优先级中的平均值；第二资源集的资源上检测的优先级中的平均值；预设资源集合中除第一资源集的资源外所有资源上检测的优先级中的最大值；预设资源集合中除第二资源集的资源外所有资源上检测的优先级中的最大值；预设资源集合中除第一资源集的资源外所有资源上检测的优先级中的最小值；预设资源集合中除第二资源集的资源外所有资源上检测的优先级中的最小值；预设资源集合中除第一资源集的资源外所有资源上检测的优先级中的平均值；预设资源集合中除第二资源集的资源外所有资源上检测的优先级中的平均值；第一资源集的每个资源上测量的优先级；第二资源集的每个资源上测量的优先级；预设资源集合中除第一资源集的资源外每个资源上测量的优先级；预设资源集合中除第二资源集的资源外每个资源上测量的优先级；
资源的相关测量参数的门限值，该门限值用作得到接收端终端的备选资源集合和/或虚拟备选资源集合和/或倾向用作信号接收的资源集合。
一些实施例中，所述辅助信息还包括以下至少一项：
所述辅助信息的来源或类型，例如，是其他UE的sensing结果，或调度UE的分配结果，或其他UE转发的基站的分配结果，发送端终端可以根据类型判断该辅助信息的可靠度；
所述辅助信息的时间戳；
所述辅助信息的有效期限；
发送所述辅助信息的终端的位置信息，例如，如果辅助信息的发送UE距离发送端终端(TX UE)较远，辅助信息不准确，可以忽略这些辅助信息；
发送所述辅助信息的终端的移动速度，例如，如果传输辅助信息的UE速度大于某个门限值，辅助信息不准确，TX UE可以忽略这些辅助信息；
发送所述辅助信息的终端的移动方向，例如，TX UE可以优先考虑来自同向行驶的UE的辅助信息。
一些实施例中，发送端终端可以根据资源监测结果和其他UE(比如接收端终端)通知的辅助信息确定一个备选资源集合，再从该备选资源集合中选择传输资源。
一些实施例中，所述发送端终端根据资源监测结果和/或所述辅助信息确定备选资源集合包括：
利用所述辅助信息中的资源的相关测量参数和/或根据资源监测结果得到的资源的相关测量参数确定资源选择窗口中的资源的相关测量参数值和/或资源的相关测量参数的门限值。
一具体示例中，所述利用所述辅助信息中的资源的相关测量参数和/或根据资源监测结果得到的资源的相关测量参数确定资源选择窗口中的资源的相关测量参数值和/或资源的相关测量参数的门限值包括：
利用以下任一公式确定资源选择窗口中的资源的质量参数的值和/或资源的相关测量参数的门限值Y：
Y＝a*Y1+b*Y2；
Y＝min(Y1，Y2)；
Y＝max(Y1，Y2)；
其中，Y1为根据资源监测结果得到的资源的相关测量参数和/或资源的相关测量参数的门限值，Y2为所述辅助信息中的资源的相关测量参数和/或资源的相关测量参数的门限值，a，b为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
比如，TX UE进行资源选择时，对于资源选择窗口中的资源的RSRP测量值进行调整，该调整利用TX UE的RSRP测量结果和其他UE(比如RX UE)上报的RSRP值，例如RSRP＝a*RSRP1+b*RSRP2；再例如RSRP＝min(RSRP1,RSRP2)或max(RSRP1,RSRP2)，其中RSRP为调整后的RSRP，RSRP1为TX UE检测到的RSRP值，RSRP2为其他UE(比如RX UE)上报的RSRP值。
如果资源选择窗口中的一些资源没有对应的上报信息，则相应资源上的相关测量参数值只根据TX UE sensing结果确定(即b＝0)，或者相应资源上的相关测量参数采用协议约定或根据协议约定的规则得到或控制节点配置或控制节点预配置或其他UE指示的值。
若所述辅助信息中的资源的相关测量参数大于第一预设阈值，将所述辅助信息中的资源的相关测量参数的值调整为第一预设值；
若所述辅助信息中的资源的相关测量参数小于第二预设阈值，将所述辅助信息中的资源的相关测量参数的值调整为0；
其中，第一预设阈值、第二预设阈值和第一预设值为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
比如，资源选择窗口中的一些资源对应的RSRP2大于一个RSRP2 threshold1，RSRP2调整为infinite(那么TX UE不会选择该资源作为传输资源)。所述的RSRP2 threshold1采用协议约定或根据协议约定的规则得到或控制节点配置或控制节点预配置或其他UE指示的值。和/或，如果资源选择窗口中的一些资源对应的上报RSRP2小于一个RSRP2 threshold2，RSRP2调整为0。其中，RSRP2可以是UE上报的每个资源上的独立的RSRP值，或者一组资源的RSRP代表值(例如最大值或最小值或平均值)。
一些实施例中，所述发送端终端根据资源监测结果和/或所述辅助信息确 定备选资源集合包括：
利用所述辅助信息中的资源的优先级信息和/或根据资源监测结果得到的资源的优先级信息确定资源选择窗口中的资源的优先级的值。
一具体示例中，所述利用所述辅助信息中的资源的优先级信息和/或根据资源监测结果得到的资源的优先级信息确定资源选择窗口中的资源的优先级的值包括：
利用以下任一公式确定资源选择窗口中的资源的优先级的值X：
X＝c*X1+d*X2；
X＝min(X1，X2)；
X＝max(X1，X2)；
其中，X1为根据资源监测结果得到的资源的优先级信息，X2为所述辅助信息中的资源的优先级信息，c，d为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
即TX UE进行资源选择时，对资源选择窗口中的资源的优先级检测值进行调整，该调整利用TX UE检测的优先级信息和其他UE上报的优先级信息。
例如Priority＝c*Priority1+d*Priority 2；再例如Priority＝min(Priority1,Priority2)或max(Priority1,Priority2)，其中，Priority1是TX UE检测的优先级信息，Priority2是其他UE上报的优先级信息。
如果资源选择窗口中的一些资源没有对应的上报信息，则相应资源上的优先级信息只根据TX UE sensing结果确定(即d＝0)，或者相应资源上的优先级信息采用协议约定或根据协议约定的规则得到或控制节点配置或控制节点预配置或其他UE指示的值。
比如，若所述辅助信息中的资源的优先级信息大于第三预设阈值，将所述辅助信息中的资源的优先级信息的值调整为第二预设值；
若所述辅助信息中的资源的优先级信息小于第四预设阈值，将所述辅助信息中的资源的优先级信息的值调整为0；
其中，第三预设阈值、第四预设阈值和第二预设值为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
一些实施例中，TX UE可以根据sensing结果和/或RX UE上报的信息确 定备选资源集合，再结合RX UE上报的资源集合(即辅助资源集合)和其确定的备选资源集合进行资源选择。
在TX UE确定备选资源集合时，可以采用现有技术确定备选资源集合，也可以结合现有技术和RX UE上报的信息确定备选资源集合。
一些实施例中，所述发送端终端根据资源监测结果和/或所述辅助信息确定备选资源集合包括：
根据接收端终端通知的辅助信息确定备选资源的测量值门限，根据所述测量值门限确定所述备选资源集合。
所述测量值门限包含所述辅助信息中的资源的相关测量参数的门限值或根据所述辅助信息确定。
比如，TX UE根据RX UE上报的信息确定RSRP_threshold3，根据RSRP threshold确定备选资源集合，其中，RSRP threshold3可以是RX UE上报的RSRP门限值，或者根据RX UE上报的信息得到。
在TX UE根据所确定的备选资源集合和RX UE上报的辅助资源集合确定传输资源时，根据所述辅助资源集合和所述备选资源集合确定每个备选资源被选择的概率，其中，第一备选资源具有第一概率，所述第一备选资源同时位于所述辅助资源集合和所述备选资源集合中；第二备选资源具有第二概率，所述第二备选资源位于所述备选资源集合，但不在所述辅助资源集合中；第三备选资源具有第三概率，所述第三备选资源位于所述辅助资源集合，但不在所述备选资源集合中。
有些资源是TX UE侧倾向使用的资源，有些资源是RX UE侧倾向使用的资源，这样做可以兼顾TX UE和RX UE对可用资源的判断，使得在所选资源上进行传输的可靠性更高。其中，所述第一概率可以为根据所述第二概率和/或所述第三概率得到。例如，第一概率＝第二概率+第三概率；或者，第一概率为第二概率和第三概率中的最大值；或者，第一概率为第二概率和第三概率中的最小值；或者，第一概率等于第二概率；或者，第一概率等于第三概率。
其中，所述第一概率、第二概率和第三概率中的至少一项与所述测量参数或测量参数的门限值相关。
一些实施例中，第二概率与第三概率的比值和/或差值通过备选资源集合和辅助资源集合的RSRP比值和/或差值得到，例如：
第二概率/第三概率＝f(RSRP2/RSRP1),f(RSRP2/RSRP1)＝a*RSRP2/RSRP1；或
第二概率-第三概率＝f(RSRP1-RSRP2)，f(RSRP1-RSRP2)＝a*RSRP1-RSRP2。
一些实施例中，TX UE获取其他节点(包括控制节点和其他UE)的辅助信息，TX UE根据辅助信息选择或维持N个(N>＝1)旁链路授权(SL grant)的资源，SL grant的资源包括一个或一组SL传输资源，其中，所述旁链路授权的数量N的取值和/或最大取值和/或最小取值为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
一些实施例中，所述发送端终端根据所述辅助信息获取或创建至少一个旁链路授权包括以下任一项：
所述辅助信息包括其他终端建议的旁链路授权的资源信息，所述发送端终端从所述建议的旁链路授权的资源信息中选择N个所述旁链路授权的资源，N为正整数；
所述辅助信息包括其他终端的旁链路授权的资源预留信息，所述发送端终端根据所述旁链路授权的资源预留信息选择N个所述旁链路授权的资源。
一些实施例中，所述旁链路授权的资源预留信息指示的资源为第一优先级的资源或第二优先级的资源，所述第一优先级高于所述第二优先级，所述发送端终端根据所述旁链路授权的资源预留信息选择资源时，优先选择所述第一优先级的资源，第一优先级的资源可以称之为真实预留的SL grant资源，为TX UE高优先级选择的资源，第二优先级的资源可以称之为伪预留的SL grant资源，为TX UE低优先级选择的资源。
一些实施例中，所述方法还包括：
所述发送端终端将选择的旁链路授权的资源通过资源预留的方式指示给其他终端。
这样在其他终端进行资源选择时，可以根据发送端终端选择的旁链路授权的资源进行资源选择，以提高旁链路传输的可靠性。
TX UE在使用某个SL grant进行SL传输时(例如数据传输或者以资源预留为目的的某种信号传输)，便对该SL grant的资源进行资源预留。或者，如果可以对资源集合划分资源模式，TX UE只需在划分好的某个SL grant资源上传输，附近的UE检测到该TX UE在某个SL grant资源上有传输，附近的UE可以默认该SL grant资源被占用；如果可以划分SL grant资源是周期性出现的，那么资源预留的时候也可以指示该SL grant资源会被预留多少个周期。
其中，所述发送端终端指示给其他终端的资源为第一优先级的资源或第二优先级的资源，所述第一优先级高于所述第二优先级，第一优先级的资源可以称之为真实预留的SL grant资源，为TX UE高优先级使用的资源，第二优先级的资源可以称之为伪预留的SL grant资源，为TX UE低优先级使用的资源或满足某些条件才能使用的资源。
在将选择的旁链路授权的资源通过资源预留的方式指示给其他终端时，所述发送端终端将选择的每个旁链路授权的资源分别指示给其他终端；或
所述发送端终端通过物理层信令或高层信令将所选择的所有或部分旁链路授权的资源统一指示给其他终端。
一些实施例中，所述发送端终端根据所述辅助信息获取或创建至少一个旁链路授权之后，所述方法还包括：
所述发送端终端根据以下任一项在所述至少一个旁链路授权的资源中选择旁链路传输使用的资源，和/或在所述至少一个旁链路授权中选择旁链路传输使用的旁链路授权：
传输时间，即根据传输时间选择用于旁链路传输的SL grant资源；
所述发送端终端的位置，即根据TX UE的位置例如区域标识(zone ID)选择用于旁链路传输的SL grant资源；
所述发送端终端的标识，即根据发送端终端的标识比如UE ID或member ID选择用于旁链路传输的SL grant资源。
通过上述方式选择旁链路传输使用的资源或选择旁链路传输使用的旁链路授权，可以随机化传输的干扰。
本实施例中，一个资源集合可以按照预设模式划分或配置或预配置为一 个或至少两个所述旁链路授权的资源，以供UE按照固定的资源模式进行选择，比如，资源集合可以按照资源模式划分出正交的SL grant资源，或部分重叠的SL grant资源，或两个均有。
在发送端终端根据其他节点通知的至少一个所述辅助信息进行资源选择时，所述发送端终端根据至少一个所述辅助信息进行资源选择包括以下至少一项：
所述发送端终端获取单播终端(unicast RX UE)通知的至少一个辅助信息；
所述发送端终端获取组播终端(groupcast RX UEs)通知的至少一个辅助信息；
所述发送端终端获取邻近终端(proximity UE)通知的至少一个辅助信息。
一些实施例中，UE将其倾向使用的资源通知到周边的其他UE，其他UE作为TX UE时，需要考虑到这些资源通知信息进行资源选择；对于单播传输，如图4所示，TX UE只需考虑其RX UE(如图中UE-A)倾向选择的资源，以此进行资源选择，其中，set of UE-A为UE-A的资源集合，resource set notified by pair-UE为对端UE通知的资源集合；对于组播传输，如图5所示，TX UE需考虑其至少两个RX UEs(如图5中的UE-A,UE-B和UE-C)倾向选择的资源，以此进行资源选择，其中，set of UE-A为UE-A的资源集合，set of UE-B为UE-B的资源集合，set of UE-C为UE-C的资源集合，resource set notified by group-UEs为组播UE通知的资源集合；对于广播传输，如图6所示，TX UE需考虑其至少两个proximity-UEs(如图中的UE-A,UE-B,UE-C等)倾向选择的资源，以此进行资源选择，其中，set of UE-A为UE-A的资源集合，set of UE-B为UE-B的资源集合，set of UE-C为UE-C的资源集合，resource set notified by proximity-UEs为邻近UE通知的资源集合，TX UE的proximity-UEs可以根据TX UE与周边UE间的距离确定，例如周边UE距离TX UE距离小于一个预设门限值，该周边UE为proximity-UE，所述距离可以是UE间的绝对距离，或TX UE距周边UE所在zone的参考距离(例如TX UE距离周边UE所在zone的中心的距离)，或TX UE从周边UE发送的信号所测量的能量值(例如RSRP或RSSI或RSRQ或SNR或SINR值)。
所述发送端终端根据至少一个所述辅助信息进行资源选择时，需要对辅助信息进行处理，包括：
所述发送端终端接收其他节点通知的M个资源集合；
所述发送端终端根据资源在所述M个资源集合中的第一权重确定所述资源的第二权重；
所述发送端终端根据所述资源的第二权重进行资源选择。
一具体示例中，所述发送端终端根据资源在所述M个资源集合中的第一权重确定所述资源的第二权重包括以下任一项：
若所述资源属于所述M个资源集合中的L个资源集合，对所述L个资源集合从i到j进行编号，所述资源的第二权重W为：
Figure PCTCN2021114273-appb-000001
Wn为所述资源在第n个资源集合中的第一权重，n为大于等于i小于等于j的整数，i，j为大于等于1小于等于M的整数；
若所述资源属于所述M个资源集合中的L个资源集合，对所述L个资源集合从i到j进行编号，所述资源的第二权重W为：
Figure PCTCN2021114273-appb-000002
Wn为所述资源在第n个资源集合中的第一权重，n为大于等于i小于等于j的整数，i，j为大于等于1小于等于M的整数。
其中，Wi…Wj可以为1；
Kn与通知所述辅助信息的终端与所述发送端终端的距离相关，例如，绝对距离，区域(zone)距离，信号测量强度RSRP、RSSI等，k值随距离或信号强度的增大而增大或减少；或
Kn为根据所述辅助信息的来源或有效期限得到，例如，辅助信息的时间越久远，权值越小。再例如，源自基站侧的辅助信息权重高于来自UE侧的辅助信息的权重，源自调度UE侧的辅助信息权重高于来自普通UE侧的辅助信息的权重。
TX UE进行资源选择时，对资源选择窗口内的资源，根据权重对资源选择中的参数做相应处理，例如，所述发送端终端根据所述资源的第二权重调整所述资源的测量参数值，比如得到备选资源集合的过程中，对于资源选择窗口内的资源，根据资源权重改变RSRP测量值或RSRP threshold，例如将资源的RSRP测量值调整为W*RSRP或调整为RSRP加或减W，W为资源权 重；或，所述发送端终端根据所述资源的第二权重调整所述资源被选择的概率，比如在备选资源集合中选择传输资源时，调整资源选择概率，例如资源被选的概率是W的函数f(W)，f(W)可以为增函数。
需要说明的是，本申请实施例提供的资源选择方法，执行主体可以为资源选择装置，或者该资源选择装置中的用于执行加载资源选择方法的模块。本申请实施例中以资源选择装置执行加载资源选择方法为例，说明本申请实施例提供的资源选择方法。
本申请实施例提供了一种资源选择装置，应用于终端300，如图7所示，所述装置包括：
获取模块310，用于获取其他节点的辅助信息；
处理模块320，用于至少根据所述辅助信息进行资源选择，包括以下任一项：
根据资源监测结果和/或所述辅助信息确定备选资源集合，根据备选资源集合和/或辅助信息进行资源选择；
根据所述辅助信息获取或创建至少一个旁链路授权sidelink grant，所述旁链路授权包括一个或一组旁链路传输资源；
根据至少一个所述辅助信息进行资源选择。
在本申请实施例中，发送端终端获取其他节点的辅助信息，并利用辅助信息进行资源选择，可以使得发送端终端进行合理地资源选择，兼顾低时延和高可靠要求，保证旁链路传输有较高的可靠性。
一些实施例中，所述辅助信息包括以下至少一项：
辅助资源集合；
资源的相关测量参数；
资源的相关优先级信息；
资源的相关测量参数的门限值。
一些实施例中，所述处理模块320具体用于利用所述辅助信息中的资源的相关测量参数和/或根据资源监测结果得到的资源的相关测量参数确定资源选择窗口中的资源的相关测量参数值和/或资源的相关测量参数的门限值。
一些实施例中，所述处理模块320具体用于利用以下任一公式确定资源 选择窗口中的资源的质量参数的值和/或资源的相关测量参数的门限值Y：
Y＝a*Y1+b*Y2；
Y＝min(Y1，Y2)；
Y＝max(Y1，Y2)；
其中，Y1为根据资源监测结果得到的资源的相关测量参数和/或资源的相关测量参数的门限值，Y2为所述辅助信息中的资源的相关测量参数和/或资源的相关测量参数的门限值，a，b为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
一些实施例中，所述处理模块320具体用于若所述辅助信息中的资源的相关测量参数大于第一预设阈值，将所述辅助信息中的资源的相关测量参数的值调整为第一预设值；
若所述辅助信息中的资源的相关测量参数小于第二预设阈值，将所述辅助信息中的资源的相关测量参数的值调整为0；
其中，第一预设阈值、第二预设阈值和第一预设值为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
一些实施例中，所述处理模块320具体用于利用所述辅助信息中的资源的优先级信息和/或根据资源监测结果得到的资源的优先级信息确定资源选择窗口中的资源的优先级的值。
一些实施例中，所述处理模块320具体用于利用以下任一公式确定资源选择窗口中的资源的优先级的值X：
X＝c*X1+d*X2；
X＝min(X1，X2)；
X＝max(X1，X2)；
其中，X1为根据资源监测结果得到的资源的优先级信息，X2为所述辅助信息中的资源的优先级信息，c，d为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
一些实施例中，所述处理模块320具体用于若所述辅助信息中的资源的优先级信息大于第三预设阈值，将所述辅助信息中的资源的优先级信息的值调整为第二预设值；
若所述辅助信息中的资源的优先级信息小于第四预设阈值，将所述辅助信息中的资源的优先级信息的值调整为0；
其中，第三预设阈值、第四预设阈值和第二预设值为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
一些实施例中，所述处理模块320具体用于根据接收端终端通知的辅助信息确定备选资源的测量值门限，根据所述测量值门限确定所述备选资源集合。
一些实施例中，所述测量值门限包含所述辅助信息中的资源的相关测量参数的门限值或根据所述辅助信息确定。
一些实施例中，所述处理模块320具体用于根据所述辅助资源集合和所述备选资源集合确定每个备选资源被选择的概率，其中，第一备选资源具有第一概率，所述第一备选资源同时位于所述辅助资源集合和所述备选资源集合中；第二备选资源具有第二概率，所述第二备选资源位于所述备选资源集合，但不在所述辅助资源集合中；第三备选资源具有第三概率，所述第三备选资源位于所述辅助资源集合，但不在所述备选资源集合中。
一些实施例中，所述第一概率为根据所述第二概率和/或所述第三概率得到。
一些实施例中，所述第一概率、第二概率和第三概率中的至少一项与所述测量参数或测量参数的门限值相关。
一些实施例中，所述旁链路授权的数量N的取值和/或最大取值和/或最小取值为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
一些实施例中，所述处理模块320具体用于执行以下任一项：
所述辅助信息包括其他终端建议的旁链路授权的资源信息，从所述建议的旁链路授权的资源信息中选择N个所述旁链路授权的资源，N为正整数；
所述辅助信息包括其他终端的旁链路授权的资源预留信息，根据所述旁链路授权的资源预留信息选择N个所述旁链路授权的资源。
一些实施例中，所述旁链路授权的资源预留信息指示的资源为第一优先级的资源或第二优先级的资源，所述第一优先级高于所述第二优先级。
一些实施例中，所述处理模块320具体用于根据所述旁链路授权的资源 预留信息选择资源时，优先选择所述第一优先级的资源。
一些实施例中，所述处理模块320具体用于将选择的旁链路授权的资源通过资源预留的方式指示给其他终端。
一些实施例中，所述处理模块320具体用于指示给其他终端的资源为第一优先级的资源或第二优先级的资源，所述第一优先级高于所述第二优先级。
一些实施例中，所述处理模块320具体用于将选择的每个旁链路授权的资源分别指示给其他终端；或
通过物理层信令或高层信令将所选择的所有或部分旁链路授权的资源统一指示给其他终端。
一些实施例中，所述处理模块320还用于根据以下任一项在所述至少一个旁链路授权的资源中选择旁链路传输使用的资源，和/或在所述至少一个旁链路授权中选择旁链路传输使用的旁链路授权：
传输时间；
所述发送端终端的位置；
所述发送端终端的标识。
一些实施例中，一个资源集合按照预设模式划分或配置或预配置为一个或至少两个所述旁链路授权的资源。
一些实施例中，所述处理模块320具体用于执行以下至少一项：
获取单播终端通知的至少一个辅助信息；
获取组播终端通知的至少一个辅助信息；
获取邻近终端通知的至少一个辅助信息。
一些实施例中，所述处理模块320具体用于接收其他节点通知的M个资源集合；根据资源在所述M个资源集合中的第一权重确定所述资源的第二权重；根据所述资源的第二权重进行资源选择。
一些实施例中，若所述资源属于所述M个资源集合中的L个资源集合，对所述L个资源集合从i到j进行编号，所述资源的第二权重W为：
Figure PCTCN2021114273-appb-000003
Wn为所述资源在第n个资源集合中的第一权重，n为大于等于i小于等于j的整数，i，j为大于等于1小于等于M的整数；
若所述资源属于所述M个资源集合中的L个资源集合，对所述L个资 源集合从i到j进行编号，所述资源的第二权重W为：
Figure PCTCN2021114273-appb-000004
Wn为所述资源在第n个资源集合中的第一权重，n为大于等于i小于等于j的整数，i，j为大于等于1小于等于M的整数。
一些实施例中，Kn与通知所述辅助信息的终端与所述发送端终端的距离相关；或
Kn为根据所述辅助信息的来源或有效期限得到。
一些实施例中，处理模块320具体用于执行以下任一项：
所述发送端终端根据所述资源的第二权重调整所述资源的测量参数值；
所述发送端终端根据所述资源的第二权重调整所述资源被选择的概率。
一些实施例中，所述辅助信息还包括以下至少一项：
所述辅助信息的来源或类型；
所述辅助信息的时间戳；
所述辅助信息的有效期限；
发送所述辅助信息的终端的位置信息；
发送所述辅助信息的终端的移动速度；
发送所述辅助信息的终端的移动方向。
本申请实施例中的资源选择装置可以是装置，也可以是终端中的部件、集成电路、或芯片。该装置可以是移动电子设备，也可以为非移动电子设备。示例性的，移动电子设备可以为手机、平板电脑、笔记本电脑、掌上电脑、车载电子设备、可穿戴设备、超级移动个人计算机(ultra-mobile personal computer，UMPC)、上网本或者个人数字助理(personal digital assistant，PDA)等，非移动电子设备可以为网络附属存储器(Network Attached Storage，NAS)、个人计算机(personal computer，PC)、电视机(television，TV)、柜员机或者自助机等，本申请实施例不作具体限定。
本申请实施例中的资源选择装置可以为具有操作系统的装置。该操作系统可以为安卓(Android)操作系统，可以为ios操作系统，还可以为其他可能的操作系统，本申请实施例不作具体限定。
可选的，本申请实施例还提供一种电子设备，包括处理器，存储器，存储在存储器上并可在所述处理器上运行的程序或指令，该程序或指令被处理器 执行时实现上述资源选择方法的实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
需要注意的是，本申请实施例中的电子设备包括上述所述的移动电子设备和非移动电子设备。
本实施例的电子设备可以为终端。图8为实现本申请各个实施例的一种终端的硬件结构示意图，该终端50包括但不限于：射频单元51、网络模块52、音频输出单元53、输入单元54、传感器55、显示单元56、用户输入单元57、接口单元58、存储器59、处理器510、以及电源511等部件。本领域技术人员可以理解，图8中示出的终端结构并不构成对终端的限定，终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。在本申请实施例中，终端包括但不限于手机、平板电脑、笔记本电脑、掌上电脑、车载终端、可穿戴设备、以及计步器等。
应理解的是，本申请实施例中，射频单元51可用于收发信息或通话过程中，信号的接收和发送，具体的，将来自基站的下行数据接收后，给处理器510处理；另外，将上行的数据发送给基站。通常，射频单元51包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。此外，射频单元51还可以通过无线通信系统与网络和其他设备通信。
存储器59可用于存储软件程序以及各种数据。存储器59可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器59可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
处理器510是终端的控制中心，利用各种接口和线路连接整个终端的各个部分，通过运行或执行存储在存储器59内的软件程序和/或模块，以及调用存储在存储器59内的数据，执行终端的各种功能和处理数据，从而对终端进行整体监控。处理器510可包括一个或至少两个处理单元；优选的，处理器510可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以 理解的是，上述调制解调处理器也可以不集成到处理器510中。
终端50还可以包括给各个部件供电的电源511(比如电池)，优选的，电源511可以通过电源管理系统与处理器510逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
另外，终端50包括一些未示出的功能模块，在此不再赘述。
其中，处理器510用于获取其他节点的辅助信息；至少根据所述辅助信息进行资源选择，包括以下任一项：
根据资源监测结果和/或所述辅助信息确定备选资源集合，根据备选资源集合和/或辅助信息进行资源选择；
根据所述辅助信息获取或创建至少一个旁链路授权sidelink grant，所述旁链路授权包括一个或一组旁链路传输资源；
根据至少一个所述辅助信息进行资源选择。
一些实施例中，所述辅助信息包括以下至少一项：
辅助资源集合；
资源的相关测量参数；
资源的相关优先级信息；
资源的相关测量参数的门限值。
一些实施例中，处理器510用于利用所述辅助信息中的资源的相关测量参数和/或根据资源监测结果得到的资源的相关测量参数确定资源选择窗口中的资源的相关测量参数值和/或资源的相关测量参数的门限值。
一些实施例中，处理器510用于利用以下任一公式确定资源选择窗口中的资源的质量参数的值和/或资源的相关测量参数的门限值Y：
Y＝a*Y1+b*Y2；
Y＝min(Y1，Y2)；
Y＝max(Y1，Y2)；
其中，Y1为根据资源监测结果得到的资源的相关测量参数和/或资源的相关测量参数的门限值，Y2为所述辅助信息中的资源的相关测量参数和/或资源的相关测量参数的门限值，a，b为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
一些实施例中，处理器510用于若所述辅助信息中的资源的相关测量参数大于第一预设阈值，将所述辅助信息中的资源的相关测量参数的值调整为第一预设值；若所述辅助信息中的资源的相关测量参数小于第二预设阈值，将所述辅助信息中的资源的相关测量参数的值调整为0；其中，第一预设阈值、第二预设阈值和第一预设值为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
一些实施例中，处理器510用于利用所述辅助信息中的资源的优先级信息和/或根据资源监测结果得到的资源的优先级信息确定资源选择窗口中的资源的优先级的值。
一些实施例中，处理器510用于利用以下任一公式确定资源选择窗口中的资源的优先级的值X：
X＝c*X1+d*X2；
X＝min(X1，X2)；
X＝max(X1，X2)；
其中，X1为根据资源监测结果得到的资源的优先级信息，X2为所述辅助信息中的资源的优先级信息，c，d为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
一些实施例中，处理器510用于若所述辅助信息中的资源的优先级信息大于第三预设阈值，将所述辅助信息中的资源的优先级信息的值调整为第二预设值；若所述辅助信息中的资源的优先级信息小于第四预设阈值，将所述辅助信息中的资源的优先级信息的值调整为0；
其中，第三预设阈值、第四预设阈值和第二预设值为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
一些实施例中，处理器510用于根据接收端终端通知的辅助信息确定备选资源的测量值门限，根据所述测量值门限确定所述备选资源集合。
一些实施例中，所述测量值门限包含所述辅助信息中的资源的相关测量参数的门限值或根据所述辅助信息确定。
一些实施例中，处理器510用于根据所述辅助资源集合和所述备选资源集合确定每个备选资源被选择的概率，其中，第一备选资源具有第一概率， 所述第一备选资源同时位于所述辅助资源集合和所述备选资源集合中；第二备选资源具有第二概率，所述第二备选资源位于所述备选资源集合，但不在所述辅助资源集合中；第三备选资源具有第三概率，所述第三备选资源位于所述辅助资源集合，但不在所述备选资源集合中。
一些实施例中，所述第一概率为根据所述第二概率和/或所述第三概率得到。
一些实施例中，所述第一概率、第二概率和第三概率中的至少一项与所述测量参数或测量参数的门限值相关。
一些实施例中，所述旁链路授权的数量N的取值和/或最大取值和/或最小取值为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
一些实施例中，所述辅助信息包括其他终端建议的旁链路授权的资源信息，所述处理器510用于从所述建议的旁链路授权的资源信息中选择N个所述旁链路授权的资源，N为正整数；
所述辅助信息包括其他终端的旁链路授权的资源预留信息，所述处理器510用于根据所述旁链路授权的资源预留信息选择N个所述旁链路授权的资源。
一些实施例中，所述旁链路授权的资源预留信息指示的资源为第一优先级的资源或第二优先级的资源，所述第一优先级高于所述第二优先级。
一些实施例中，处理器510用于根据所述旁链路授权的资源预留信息选择资源时，优先选择所述第一优先级的资源。
一些实施例中，处理器510用于将选择的旁链路授权的资源通过资源预留的方式指示给其他终端。
一些实施例中，所述发送端终端指示给其他终端的资源为第一优先级的资源或第二优先级的资源，所述第一优先级高于所述第二优先级。
一些实施例中，处理器510用于将选择的每个旁链路授权的资源分别指示给其他终端；或
处理器510用于通过物理层信令或高层信令将所选择的所有或部分旁链路授权的资源统一指示给其他终端。
一些实施例中，处理器510用于根据以下任一项在所述至少一个旁链路 授权的资源中选择旁链路传输使用的资源，和/或在所述至少一个旁链路授权中选择旁链路传输使用的旁链路授权：
传输时间；
所述发送端终端的位置；
所述发送端终端的标识。
一些实施例中，一个资源集合按照预设模式划分或配置或预配置为一个或至少两个所述旁链路授权的资源。
一些实施例中，处理器510用于执行以下至少一项：
获取单播终端通知的至少一个辅助信息；
获取组播终端通知的至少一个辅助信息；
获取邻近终端通知的至少一个辅助信息。
一些实施例中，处理器510用于接收其他节点通知的M个资源集合；根据资源在所述M个资源集合中的第一权重确定所述资源的第二权重；根据所述资源的第二权重进行资源选择。
一些实施例中，若所述资源属于所述M个资源集合中的L个资源集合，对所述L个资源集合从i到j进行编号，所述资源的第二权重W为：
Figure PCTCN2021114273-appb-000005
Wn为所述资源在第n个资源集合中的第一权重，n为大于等于i小于等于j的整数，i，j为大于等于1小于等于M的整数；
若所述资源属于所述M个资源集合中的L个资源集合，对所述L个资源集合从i到j进行编号，所述资源的第二权重W为：
Figure PCTCN2021114273-appb-000006
Wn为所述资源在第n个资源集合中的第一权重，n为大于等于i小于等于j的整数，i，j为大于等于1小于等于M的整数。
一些实施例中，Kn与通知所述辅助信息的终端与所述发送端终端的距离相关；或
Kn为根据所述辅助信息的来源或有效期限得到。
一些实施例中，处理器510用于根据所述资源的第二权重调整所述资源的测量参数值；根据所述资源的第二权重调整所述资源被选择的概率。
一些实施例中，所述辅助信息还包括以下至少一项：
所述辅助信息的来源或类型；
所述辅助信息的时间戳；
所述辅助信息的有效期限；
发送所述辅助信息的终端的位置信息；
发送所述辅助信息的终端的移动速度；
发送所述辅助信息的终端的移动方向。
本申请实施例还提供一种可读存储介质，所述可读存储介质上存储有程序或指令，该程序或指令被处理器执行时实现上述资源选择方法的实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
其中，所述处理器为上述实施例中所述的电子设备中的处理器。所述可读存储介质，包括计算机可读存储介质，如计算机只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
本申请实施例另提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现上述资源选择方法的实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片、系统芯片、芯片系统或片上系统芯片等。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外，需要指出的是，本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能，还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能，例如，可以按不同于所描述的次序来执行所描述的方法，并且还可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各 示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本公开的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的实施例中，应该理解到，所揭露的装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本公开各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空 调器，或者网络设备等)执行本申请各个实施例所述的方法。
可以理解的是，本公开实施例描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现，模块、单元、子单元可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits，ASIC)、数字信号处理器(Digital Signal Processor，DSP)、数字信号处理设备(DSP Device，DSPD)、可编程逻辑设备(Programmable Logic Device，PLD)、现场可编程门阵列(Field-Programmable Gate Array，FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本公开所述功能的其它电子单元或其组合中。
对于软件实现，可通过执行本公开实施例所述功能的模块(例如过程、函数等)来实现本公开实施例所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (40)

  1. 一种资源选择方法，包括：
    发送端终端获取其他节点的辅助信息；
    所述发送端终端至少根据所述辅助信息进行资源选择，包括以下任一项：
    所述发送端终端根据资源监测结果和/或所述辅助信息确定备选资源集合，根据备选资源集合和/或辅助信息进行资源选择；
    所述发送端终端根据所述辅助信息获取或创建至少一个旁链路授权sidelink grant，所述旁链路授权包括一个或一组旁链路传输资源；
    所述发送端终端根据至少一个所述辅助信息进行资源选择。
  2. 根据权利要求1所述的资源选择方法，其中，所述辅助信息包括以下至少一项：
    辅助资源集合；
    资源的相关测量参数；
    资源的相关优先级信息；
    资源的相关测量参数的门限值。
  3. 根据权利要求1所述的资源选择方法，其中，所述发送端终端根据资源监测结果和/或所述辅助信息确定备选资源集合包括：
    利用所述辅助信息中的资源的相关测量参数和/或根据资源监测结果得到的资源的相关测量参数确定资源选择窗口中的资源的相关测量参数值和/或资源的相关测量参数的门限值。
  4. 根据权利要求3所述的资源选择方法，其中，所述利用所述辅助信息中的资源的相关测量参数和/或根据资源监测结果得到的资源的相关测量参数确定资源选择窗口中的资源的相关测量参数值和/或资源的相关测量参数的门限值包括：
    利用以下任一公式确定资源选择窗口中的资源的质量参数的值和/或资源的相关测量参数的门限值Y：
    Y＝a*Y1+b*Y2；
    Y＝min(Y1，Y2)；
    Y＝max(Y1，Y2)；
    其中，Y1为根据资源监测结果得到的资源的相关测量参数和/或资源的相关测量参数的门限值，Y2为所述辅助信息中的资源的相关测量参数和/或资源的相关测量参数的门限值，a，b为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
  5. 根据权利要求3所述的资源选择方法，其中，
    若所述辅助信息中的资源的相关测量参数和/或资源的相关测量参数的门限值大于第一预设阈值，将所述辅助信息中的资源的相关测量参数的值和/或资源的相关测量参数的门限值调整为第一预设值；
    若所述辅助信息中的资源的相关测量参数和/或资源的相关测量参数的门限值小于第二预设阈值，将所述辅助信息中的资源的相关测量参数的值和/或资源的相关测量参数的门限值调整为0；
    其中，第一预设阈值、第二预设阈值和第一预设值为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
  6. 根据权利要求1所述的资源选择方法，其中，所述发送端终端根据资源监测结果和/或所述辅助信息确定备选资源集合包括：
    利用所述辅助信息中的资源的优先级信息和/或根据资源监测结果得到的资源的优先级信息确定资源选择窗口中的资源的优先级的值。
  7. 根据权利要求6所述的资源选择方法，其中，所述利用所述辅助信息中的资源的优先级信息和/或根据资源监测结果得到的资源的优先级信息确定资源选择窗口中的资源的优先级的值包括：
    利用以下任一公式确定资源选择窗口中的资源的优先级的值X：
    X＝c*X1+d*X2；
    X＝min(X1，X2)；
    X＝max(X1，X2)；
    其中，X1为根据资源监测结果得到的资源的优先级信息，X2为所述辅助信息中的资源的优先级信息，c，d为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
  8. 根据权利要求6所述的资源选择方法，其中，
    若所述辅助信息中的资源的优先级信息大于第三预设阈值，将所述辅助信息中的资源的优先级信息的值调整为第二预设值；
    若所述辅助信息中的资源的优先级信息小于第四预设阈值，将所述辅助信息中的资源的优先级信息的值调整为0；
    其中，第三预设阈值、第四预设阈值和第二预设值为协议约定或控制节点配置或控制节点预配置或其他终端指示的值。
  9. 根据权利要求1所述的资源选择方法，其中，所述发送端终端根据资源监测结果和/或所述辅助信息确定备选资源集合包括：
    根据接收端终端通知的辅助信息确定备选资源的测量值门限，根据所述测量值门限确定所述备选资源集合。
  10. 根据权利要求9所述的资源选择方法，其中，所述测量值门限包含所述辅助信息中的资源的相关测量参数的门限值或根据所述辅助信息确定。
  11. 根据权利要求2所述的资源选择方法，其中，根据所述辅助资源集合和/或所述备选资源集合进行资源选择包括：
    根据所述辅助资源集合和所述备选资源集合确定每个备选资源被选择的概率，其中，第一备选资源具有第一概率，所述第一备选资源同时位于所述辅助资源集合和所述备选资源集合中；第二备选资源具有第二概率，所述第二备选资源位于所述备选资源集合，但不在所述辅助资源集合中；第三备选资源具有第三概率，所述第三备选资源位于所述辅助资源集合，但不在所述备选资源集合中。
  12. 根据权利要求11所述的资源选择方法，其中，所述第一概率为根据所述第二概率和/或所述第三概率得到。
  13. 根据权利要求11所述的资源选择方法，其中，所述第一概率、第二概率和第三概率中的至少一项与所述测量参数或测量参数的门限值相关。
  14. 根据权利要求1所述的资源选择方法，其中，所述旁链路授权的数量N的取值和/或最大取值和/或最小取值为协议约定或控制节点配置或控制节点预配置或其他终端指示的值，N为正整数。
  15. 根据权利要求14所述的资源选择方法，其中，所述发送端终端根据所述辅助信息获取或创建至少一个旁链路授权包括以下任一项：
    所述辅助信息包括其他终端建议的旁链路授权的资源信息，所述发送端终端从所述建议的旁链路授权的资源信息中选择N个所述旁链路授权的资源；
    所述辅助信息包括其他终端的旁链路授权的资源预留信息，所述发送端终端根据所述旁链路授权的资源预留信息选择N个所述旁链路授权的资源。
  16. 根据权利要求15所述的资源选择方法，其中，所述旁链路授权的资源预留信息指示的资源为第一优先级的资源或第二优先级的资源，所述第一优先级高于所述第二优先级。
  17. 根据权利要求16所述的资源选择方法，其中，所述发送端终端根据所述旁链路授权的资源预留信息选择资源时，优先选择所述第一优先级的资源。
  18. 根据权利要求1所述的资源选择方法，还包括：
    所述发送端终端将选择的旁链路授权的资源通过资源预留的方式指示给其他终端。
  19. 根据权利要求18所述的资源选择方法，其中，所述发送端终端指示给其他终端的资源为第一优先级的资源或第二优先级的资源，所述第一优先级高于所述第二优先级。
  20. 根据权利要求18所述的资源选择方法，其中，
    所述发送端终端将选择的每个旁链路授权的资源分别指示给其他终端；或
    所述发送端终端通过物理层信令或高层信令将所选择的所有或部分旁链路授权的资源统一指示给其他终端。
  21. 根据权利要求1所述的资源选择方法，其中，所述发送端终端根据所述辅助信息获取或创建至少一个旁链路授权之后，所述方法还包括：
    所述发送端终端根据以下任一项在所述至少一个旁链路授权的资源中选择旁链路传输使用的资源，和/或在所述至少一个旁链路授权中选择旁链路传输使用的旁链路授权：
    传输时间；
    所述发送端终端的位置；
    所述发送端终端的标识。
  22. 根据权利要求1所述的资源选择方法，其中，一个资源集合按照预设模式划分或配置或预配置为所述旁链路授权的资源。
  23. 根据权利要求1所述的资源选择方法，其中，所述发送端终端根据至少一个所述辅助信息进行资源选择包括以下至少一项：
    所述发送端终端获取单播终端通知的至少一个辅助信息；
    所述发送端终端获取组播终端通知的至少一个辅助信息；
    所述发送端终端获取邻近终端通知的至少一个辅助信息。
  24. 根据权利要求1所述的资源选择方法，其中，所述发送端终端根据至少一个所述辅助信息进行资源选择包括：
    所述发送端终端接收其他节点通知的M个资源集合；
    所述发送端终端根据资源在所述M个资源集合中的第一权重确定所述资源的第二权重；
    所述发送端终端根据所述资源的第二权重进行资源选择。
  25. 根据权利要求24所述的资源选择方法，其中，所述发送端终端根据资源在所述M个资源集合中的第一权重确定所述资源的第二权重包括以下任一项：
    若所述资源属于所述M个资源集合中的L个资源集合，对所述L个资源集合从i到j进行编号，所述资源的第二权重W为：
    Figure PCTCN2021114273-appb-100001
    Wn为所述资源在第n个资源集合中的第一权重，n为大于等于i小于等于j的整数，i，j为大于等于1小于等于M的整数；
    若所述资源属于所述M个资源集合中的L个资源集合，对所述L个资源集合从i到j进行编号，所述资源的第二权重W为：
    Figure PCTCN2021114273-appb-100002
    Wn为所述资源在第n个资源集合中的第一权重，n为大于等于i小于等于j的整数，i，j为大于等于1小于等于M的整数。
  26. 根据权利要求25所述的资源选择方法，其中，
    Kn与通知所述辅助信息的终端与所述发送端终端的距离相关；或
    Kn为根据所述辅助信息的来源或有效期限得到。
  27. 根据权利要求24所述的资源选择方法，其中，所述发送端终端根据所述资源的第二权重进行资源选择包括以下任一项：
    所述发送端终端根据所述资源的第二权重调整所述资源的测量参数值；
    所述发送端终端根据所述资源的第二权重调整所述资源被选择的概率。
  28. 根据权利要求1所述的资源选择方法，其中，所述辅助信息还包括以下至少一项：
    所述辅助信息的来源或类型；
    所述辅助信息的时间戳；
    所述辅助信息的有效期限；
    发送所述辅助信息的终端的位置信息；
    发送所述辅助信息的终端的移动速度；
    发送所述辅助信息的终端的移动方向。
  29. 一种资源选择装置，包括：
    获取模块，用于获取其他节点的辅助信息；
    处理模块，用于至少根据所述辅助信息进行资源选择，包括以下任一项：
    根据资源监测结果和/或所述辅助信息确定备选资源集合，根据备选资源集合和/或辅助信息进行资源选择；
    根据所述辅助信息获取或创建至少一个旁链路授权sidelink grant，所述旁链路授权包括一个或一组旁链路传输资源；
    根据至少一个所述辅助信息进行资源选择。
  30. 根据权利要求29所述的资源选择装置，其中，所述辅助信息包括以下至少一项：
    辅助资源集合；
    资源的相关测量参数；
    资源的相关优先级信息；
    资源的相关测量参数的门限值。
  31. 根据权利要求29所述的资源选择装置，其中，所述处理模块具体用于利用所述辅助信息中的资源的相关测量参数和/或根据资源监测结果得到的资源的相关测量参数确定资源选择窗口中的资源的相关测量参数值和/或资源的相关测量参数的门限值。
  32. 根据权利要求29所述的资源选择装置，其中，所述处理模块具体用 于利用所述辅助信息中的资源的优先级信息和/或根据资源监测结果得到的资源的优先级信息确定资源选择窗口中的资源的优先级的值。
  33. 根据权利要求29所述的资源选择装置，其中，所述处理模块具体用于根据接收端终端通知的辅助信息确定备选资源的测量值门限，根据所述测量值门限确定所述备选资源集合。
  34. 根据权利要求29所述的资源选择装置，其中，所述处理模块还用于根据以下任一项在所述至少一个旁链路授权的资源中选择旁链路传输使用的资源，和/或在所述至少一个旁链路授权中选择旁链路传输使用的旁链路授权：
    传输时间；
    发送端终端的位置；
    所述发送端终端的标识。
  35. 根据权利要求29所述的资源选择装置，其中，所述处理模块具体用于接收其他节点通知的M个资源集合；根据资源在所述M个资源集合中的第一权重确定所述资源的第二权重；根据所述资源的第二权重进行资源选择。
  36. 一种电子设备，包括处理器，存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如权利要求1-28中任一项所述的方法的步骤。
  37. 一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如权利要求1-28中任一项所述的方法的步骤。
  38. 一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现如权利要求1-28中任一项所述的方法。
  39. 一种计算机软件产品，所述计算机软件产品被存储在非易失的存储介质中，所述软件产品被配置成被至少一个处理器执行以实现如权利要求1-28中任一项所述的方法的步骤。
  40. 一种电子设备，所述电子设备被配置成用于执行如权利要求1-28中任一项所述的方法。
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