WO2023051449A1 - 资源重选的方法、装置、设备及计算机存储介质 - Google Patents

资源重选的方法、装置、设备及计算机存储介质 Download PDF

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Publication number
WO2023051449A1
WO2023051449A1 PCT/CN2022/121268 CN2022121268W WO2023051449A1 WO 2023051449 A1 WO2023051449 A1 WO 2023051449A1 CN 2022121268 W CN2022121268 W CN 2022121268W WO 2023051449 A1 WO2023051449 A1 WO 2023051449A1
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Prior art keywords
terminal
resource
transmission
conflict
indication information
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PCT/CN2022/121268
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English (en)
French (fr)
Inventor
王欢
纪子超
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维沃移动通信有限公司
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Publication of WO2023051449A1 publication Critical patent/WO2023051449A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/16Performing reselection for specific purposes
    • H04W36/22Performing reselection for specific purposes for handling the traffic

Definitions

  • the present application belongs to the technical field of communication, and in particular relates to a resource reselection method, device, equipment and computer storage medium.
  • the terminal (User Equipment, UE) A (UE-A) performs resource conflict detection, and if a resource conflict is detected, UE-A sends a message to the terminal B (UE-B) Resource conflict indication, UE-B performs resource reselection according to the resource conflict indication.
  • UE-A User Equipment
  • UE-B Resource conflict indication
  • UE-B performs resource reselection according to the resource conflict indication.
  • Embodiments of the present application provide a resource reselection method, device, device, and computer storage medium, which can solve the problem of how to trigger resource reselection.
  • a method for resource reselection comprising:
  • the first terminal sends resource conflict indication information according to the first information
  • the first information includes any of the following:
  • the first terminal detects that a transmission resource conflict of a second terminal occurs, and the second terminal is the sending end of the first terminal;
  • the first terminal detects that a conflict occurs in a first transmission resource, and the first transmission resource is a designated transmission resource of the second terminal;
  • a first order where the first order represents the order in which the first terminal sends the resource conflict indication information.
  • a method for resource reselection including:
  • the second terminal receives resource conflict indication information from the first terminal, where the resource conflict indication information is sent by the first terminal according to the first information;
  • the second terminal performs resource reselection according to the resource conflict indication information
  • the first information includes any of the following:
  • the first terminal detects that a transmission resource conflict of the second terminal occurs
  • the first terminal detects that a conflict occurs in a first transmission resource, and the first transmission resource is a designated transmission resource of the second terminal;
  • a first order where the first order represents the order in which the first terminal sends the resource conflict indication information.
  • an apparatus for resource reselection including:
  • a first sending module configured to send resource conflict indication information according to the first information
  • the first information includes any of the following:
  • the first terminal detects that a transmission resource conflict of a second terminal occurs, and the second terminal is the sending end of the first terminal;
  • the first terminal detects that a conflict occurs in a first transmission resource, the first transmission resource is a designated transmission resource of a third terminal, and the third terminal is a sending end of the first terminal;
  • a first order where the first order represents the order in which the first terminal sends the resource conflict indication information.
  • an apparatus for resource reselection including:
  • a third receiving module configured to receive resource conflict indication information from the first terminal, where the resource conflict indication information is sent by the first terminal according to the first information;
  • a reselection module configured to perform resource reselection according to the resource conflict indication information
  • the first information includes any of the following:
  • the first terminal detects that a transmission resource conflict of the second terminal occurs
  • the first terminal detects that a conflict occurs in a first transmission resource, and the first transmission resource is a designated transmission resource of the second terminal;
  • a first order where the first order represents the order in which the first terminal sends the resource conflict indication information.
  • a terminal including: a processor, a memory, and a program stored on the memory and operable on the processor, when the program is executed by the processor, the first aspect or The steps of the method described in the second aspect.
  • 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 method described in the first aspect or the second aspect are implemented.
  • a computer program product is provided, the computer program product is stored in a non-transitory storage medium, and the computer program product is executed by at least one processor to implement the computer program product described in the first aspect or the second aspect. steps of the method.
  • a chip in an eighth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions, so as to implement the first aspect or the second aspect the method described.
  • a communication device configured to execute the method as described in the first aspect or the second aspect.
  • the first terminal may trigger resource reselection according to the first information, so as to avoid the problem of system transmission reliability and/or efficiency degradation caused by excessive resource reselection.
  • FIG. 1 is a schematic diagram of a wireless communication system applicable to an embodiment of the present application
  • FIG. 2 is one of the flow charts of the resource reselection method provided in the embodiment of the present application.
  • FIG. 3 is the second flowchart of the resource reselection method provided in the embodiment of the present application.
  • FIG. 4 is one of the schematic diagrams of the resource reselection device provided in the embodiment of the present application.
  • Fig. 5 is the second schematic diagram of the resource reselection device provided in the embodiment of the present application.
  • FIG. 6 is a schematic diagram of a terminal provided in an embodiment of the present application.
  • Fig. 7 is a schematic diagram of a communication device provided by an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specified order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and” in the specification and claims indicates at least one of the connected objects, and the character “/" generally indicates that the related objects are an "or” relationship.
  • New Radio New Radio
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution-Advanced
  • CDMA code division multiple access
  • time division multiple access Time Division Multiple Access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal frequency Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used for the above-mentioned system and radio technology, and can also be used for other systems and radio technologies.
  • the following description describes the NR system for exemplary purposes, and NR terminology is used in most of the following descriptions, but these techniques are also applicable to applications other than NR system applications, such as 6th Generation (6G) communication systems.
  • 6G 6th Generation
  • NR SL resources There are two ways to allocate NR SL resources, one is based on base station scheduling (mode 1), and the other is based on UE autonomous resource selection (mode 2).
  • mode 1 base station scheduling
  • mode 2 UE autonomous resource selection
  • the sidelink resources used by the UE for data transmission are determined by the base station, and the transmitting end (Transmit, TX) UE is notified through downlink signaling;
  • the UE is (pre-)configured Select available transmission resources from the resource pool of the resource pool, UE performs channel monitoring before resource selection, selects a resource set with less interference according to the channel sensing (sensing) 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 T1 after the resource selection is triggered, and the upper boundary of the resource selection is T2 after the trigger, where T2 is implemented by the UE T2 is no earlier than T1 by the value selected within the packet delay budget (PDB) of its Transport Block (TB) transmission.
  • PDB packet delay budget
  • 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 receiving power (Reference Signal Receiving Power, RSRP) measured on the resource within the resource selection window and the corresponding RSRP
  • the threshold (threshold) is compared, if the RSRP is higher than the RSRP threshold, then the resource is excluded and cannot be included in the candidate resource set. After resource exclusion, the remaining resources in the resource selection window form the candidate resource set.
  • the resources in the candidate resource set must account for no less than x% of the resources in the resource selection window. If it is less than x%, the RSRP threshold needs to be increased according to the step value (3dB), and then the resource exclusion operation is performed , until no less than said x% of resources can be selected.
  • the UE After the candidate resource set is determined, the UE randomly selects a transmission resource from the candidate resource set. In addition, the UE may reserve transmission resources for the next transmission in this transmission.
  • mode 2 resource exclusion can be called “resource exclusion based on reserved transmission resources”
  • mode 2 resource selection can be called “resource exclusion based on reserved transmission resource” resource selection.
  • UE-A performs resource conflict detection, and if a resource conflict is detected, UE-A sends a resource conflict indication to UE-B, and UE-B performs resource reselection according to the resource conflict indication.
  • resource conflict determination include but are not limited to:
  • PSCCH Physical Sidelink Control Channel
  • PSSCH Physical Sidelink Share Channel
  • the PSCCH/PSSCH transmission resource from UE-x to UE-A conflicts with the PSCCH/PSSCH transmission resource of UE-y (UE-y to UE-A, or UE-y to UE-z), and UE-A triggers the UE -x or UE-A triggers UE-y to perform resource reselection.
  • the wireless communication system includes a terminal 11 , a terminal 12 and a network side device 13 .
  • the terminal can also be called terminal equipment or UE, and the terminal can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), Pocket PC, netbook, ultra-mobile personal computer (UMPC), mobile internet device (Mobile Internet Device, MID), augmented reality (augmented reality, AR)/virtual reality (virtual reality, VR) equipment, robot , wearable device (Wearable Device), vehicle-mounted equipment (Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE), smart home (home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.
  • wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, etc.), Smart wristbands, smart clothing, game consoles, etc. It should be noted that, the embodiment of the present application does not limit the specific types of the terminal 11 and the terminal 12 .
  • the network side device 13 may be a base station or a core network, where a base station may be called a Node B, an evolved Node B, an access point, a Base Transceiver Station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (gNB), Home Node B, Home Evolved Node B, WLAN access point, WiFi node, sending and receiving point (Transmitting Receiving Point, TRP), wireless access network node or other appropriate term in the field, as long as the same technical effect is achieved, the base station is not limited to the specified technical vocabulary, it should be noted that, in the implementation of this application In the example, only the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • the embodiment of the present application provides a method for resource reselection, and the specific steps include: Step 201 .
  • Step 201 the first terminal sends resource conflict indication information according to the first information
  • the first information includes any of the following:
  • the first terminal detects that a transmission resource conflict of a second terminal occurs, and the second terminal is the sending end of the first terminal;
  • the first terminal may also be described as UE-A
  • the second terminal may also be described as UE-B.
  • the first terminal triggers resource reselection only after detecting a transmission resource conflict from a specific sending end, so as to avoid excessive resource reselection/redundant resource reselection.
  • the transmission resources in this article may refer to physical sidelink control channel (Physical Sidelink Control Channel, PSCCH) or physical sidelink shared channel (Physical Sidelink Share Channel, PSSCH) transmission resources.
  • PSCCH Physical Sidelink Control Channel
  • PSSCH Physical Sidelink Share Channel
  • the first terminal detects that a conflict occurs in a first transmission resource, and the first transmission resource is a designated transmission resource of the second terminal;
  • the first terminal triggers resource reselection only when it detects that specific transmission resources from its sender collide, so as to avoid excessive resource reselection/redundant resource reselection.
  • the first terminal can enable this feature according to the congestion situation of the resource pool, so as to avoid system performance degradation caused by excessive resource reselection.
  • the conflicting transmission resources can be triggered in the first order for reselection, avoiding blindly triggering all/ Excessive reselection of conflicting resources results in system performance degradation.
  • the method also includes one or more of the following:
  • Mode a the first terminal receives second information from the second terminal
  • the first terminal receives the second information from the second terminal through PC5 radio resource control (Radio Resource Control, RRC) signaling.
  • PC5 radio resource control Radio Resource Control, RRC
  • the second information indicates whether the second terminal can receive the resource conflict indication information sent by the first terminal, and/or the second information indicates whether the second terminal can receive the resource conflict indication information sent by the first terminal
  • the resource conflict indication information sent is used for resource reselection
  • Mode b the first terminal sends third information to the second terminal
  • the first terminal sends the third information to the second terminal through PC5-RRC signaling.
  • the third information indicates whether the first terminal can detect that the transmission resource conflict of the second terminal occurs, and/or the third information indicates that the first terminal detects that the transmission resource of the second terminal
  • the resource conflict indication information is sent in the case of transmission resource conflict.
  • the first terminal and the second terminal negotiate through PC5-RRC signaling to negotiate whether the first terminal can send resource conflict indication information when it detects that the transmission resource conflict of the second terminal occurs for those resources, wherein the PC5-RRC signal
  • the command carries the resource identity (source Identity document, source ID) or destination identity (destination ID).
  • the method also includes:
  • the first terminal receives fourth information from the second terminal, where the fourth information indicates whether the first terminal needs to send resource conflict indication information when a collision of the first transmission resource is detected, where the The transmission resource of the fourth information is associated with the first transmission resource.
  • the congestion situation of the first terminal resource pool includes any of the following:
  • the congestion degree of the first terminal resource pool is higher than a first preset threshold
  • the degree of congestion may be a channel busy ratio (Channel Busy Ratio, CBR), but of course it is not limited thereto.
  • CBR Channel Busy Ratio
  • the congestion degree of the resource pool of the first terminal is higher than a first preset threshold, and the first terminal detects that a transmission resource conflict of the second terminal occurs;
  • the congestion degree of the resource pool of the first terminal is higher than a first preset threshold, and the first terminal detects that a conflict occurs in the first transmission resource;
  • the transmission priority of the first transmission resource is higher than the second preset threshold; or, the transmission priority of the first transmission resource is lower than the third preset threshold, or, the transmission of the first transmission resource It is the transmission of the default casting (cast) type, for example, on-demand (unicast), groupcast (groupcast) and so on.
  • the default casting (cast) type for example, on-demand (unicast), groupcast (groupcast) and so on.
  • the first preset threshold is stipulated in a protocol, or the first preset threshold is configured or preconfigured by the control node.
  • the method before the step of the first terminal sending resource conflict indication information according to the first order, the method further includes:
  • the first terminal detects a second transmission resource of at least one sending end of the first terminal, where the second transmission resource is a transmission resource at a first moment.
  • the second transmission resource is a transmission resource reserved by the sending end of the first terminal, and the reservation includes at least one of periodic resource reservation and aperiodic resource reservation.
  • the method when the first terminal detects a plurality of second transmission resources of the sending end of the first terminal, the method further includes:
  • the first terminal performs conflict determination on the second transmission resources of the multiple sending ends of the first terminal according to the second order;
  • the second order is determined according to one or more of the following:
  • conflict determination is first performed on the second transmission resource with low priority.
  • the conflict determination is first performed on the second transmission resource.
  • the conflict determination is first performed on the second transmission resource.
  • the second transmission resource For example, for a certain second transmission resource, if the RSRP measured by the second transmission resource or the received signal strength indication (Received Signal Strength Indication, RSSI) value is the largest/minimum, the second transmission resource is firstly determined for conflict.
  • RSSI Received Signal Strength Indication
  • the second transmission resource is prioritized for conflict determination.
  • the first terminal independently selects
  • the multiple second transmission resources may come from the same sending end, or, some of them may come from the same sending end, and the other part may come from another sending end, or, it may also be that each second transmission resource is from different senders.
  • the conflicting transmission resources include one or more of the following:
  • the third terminal may also be described as a sending end other than the first terminal.
  • the performing conflict determination on multiple second transmission resources of the sending end of the first terminal includes:
  • Collision determination is performed on the first to Nth second transmission resources of the sending end of the first terminal, where N is greater than 1.
  • the first terminal performs conflict determination on the first second transmission resource of the sender of the first terminal, and takes a corresponding reselection trigger action, and then the first terminal uses the second second transmission resource of the sender of the first terminal
  • the transmission resources are conflict-judged, and corresponding reselection trigger actions are taken, and then the first terminal performs conflict determination on the third second transmission resource of the sender of the first terminal, and corresponding re-selection trigger actions are taken, and then the first terminal
  • the terminal performs a conflict determination on the fourth second transmission resource of the transmitting end of the first terminal, and takes a corresponding reselection triggering action until all conflicts are resolved.
  • the performing conflict determination on the first to Nth second transmission resources of the sending end of the first terminal respectively includes:
  • the non-preferred resource may be a resource other than the preferred resource.
  • the transmission type of transmission resources of part of or all transmission ends of the first terminal corresponding to the overlapping transmission resource is a preset cast type; or, the transmission type of the transmission resource of the first terminal corresponding to the overlapping transmission resource
  • the transmission priorities of the transmission resources of some senders or all senders are higher than or equal to the preset priorities.
  • any one of the foregoing terminals may not include the first terminal.
  • the sending resource conflict indication information includes:
  • the first triggering method includes one or more of the following:
  • Mode 1 (Option 1) triggers the first sending end to perform resource reselection
  • Mode 2 triggers the target sending end to perform resource reselection, and the target sending end includes at least one of the following: (a) the first sending end; (b) a fourth terminal, and the fourth terminal is the same as Any terminal whose transmission resources of the first sending end overlap with resources; (c) a fifth terminal, where the transmission resources of the fifth terminal overlap at least partially with the transmission resources of the first sending end, and the fifth terminal is the The sending end of the first terminal.
  • the measurement amount of the transmission resource of the fourth terminal or the fifth terminal is greater than a fourth preset threshold.
  • the fourth preset threshold is equal to the first threshold, and the first threshold is a threshold used when the first terminal identifies non-preferred resources according to transmission signal strength on the transmission resources.
  • the first triggering method includes: triggering the first sending end to perform resource reselection or triggering the target sending end to perform resource reselection is stipulated in the protocol, that is, it can be agreed to trigger the first sending end to perform resource reselection. Resource reselection and execution conditions that trigger resource reselection at the target sender.
  • resource reselection is triggered at the first sending end.
  • the resource pool (resource pool) enables the preemption check (preemption check)
  • the terminal that has resource overlap with the transmission resource of the first sender may be triggered to reselect, thus causing redundant resource reselection. select.
  • the method 2 directly leads to resource reselection of multiple UEs, which is not conducive to maintaining system performance.
  • the protocol may stipulate execution conditions of mode 1 or mode 2, so as to reduce negative impact on system performance.
  • the execution conditions include at least one of the following:
  • Execution condition 1 If the resource pool does not enable preemption check, adopt method 1.
  • Execution condition 2 If the corresponding resource pool enables preemption check, at least in the following cases, adopt method 1.
  • Case a The corresponding transmission priority of the terminal having resource overlap with the first or xth sending end is lower or not higher than the preset threshold, and mode 1 is adopted.
  • case b the corresponding transmission priority of the first or xth sending end is greater than or equal to the corresponding transmission priority of a terminal having resource overlap with the first or xth sending end.
  • the number of transmission resources of other terminals overlapping with the transmission resources of the first or xth sending end is greater than a preset threshold.
  • the triggering the target sender to perform resource reselection includes:
  • each of the target senders is triggered to perform resource reselection according to the third sequence.
  • the third order means that the transmission priorities are in descending order, or the transmission priorities are in descending order.
  • the method also includes:
  • the first terminal After triggering a target sender to perform resource reselection, the first terminal re-determines whether there is a resource conflict in the second transmission resource of the first sender.
  • the first terminal determines that the transmission resource for which resource conflict indication is to be performed is not counted.
  • the input resource conflict determination process that is, the first terminal ignores the transmission resource that has been determined to trigger reselection.
  • the performing conflict determination on the first to Nth second transmission resources of the sending end of the first terminal respectively includes:
  • the first terminal When the first terminal performs conflict determination on the second transmission resource of the sending end of the first terminal, the first terminal determines that the transmission resource for which resource conflict indication is to be indicated is not included in the resource conflict determination process, that is, ignores The transport resource that triggers reselection.
  • the resource conflict indication information is used to instruct the second terminal to exclude the time domain and/or frequency domain transmission occupied by the transmission resource determined by the first terminal to trigger reselection when identifying the candidate resource set. resources; or, the resource conflict indication information is used to instruct the second terminal to exclude from the set of candidate resources when the second terminal selects resources, the time domain occupied by the transmission resource that the first terminal determines to trigger reselection and /or frequency domain transmission resources; or, the resource conflict indication information is used to instruct the second terminal to exclude the feedback resource correlation corresponding to the transmission resource that the first terminal determines to trigger reselection when identifying the candidate resource set or, the resource conflict indication information is used to instruct the second terminal to exclude from the set of candidate resources corresponding to the transmission resources that the first terminal determines to trigger reselection Time-domain and/or frequency-domain transmission resources associated with the feedback resource.
  • the feedback resources herein may be physical sidelink feedback channel (Physical Sidelink Feedback Channel, PSFCH) feedback resources, and the transmission resources associated with the feedback resources may refer to PSCCH or PSSCH transmission resources mapped to corresponding PFSCH occasions.
  • PSFCH Physical Sidelink Feedback Channel
  • the first terminal may trigger resource reselection according to the first information, so as to avoid the problem of system transmission reliability and/or efficiency degradation caused by excessive resource reselection.
  • the embodiment of the present application provides a resource reselection method, and the specific steps include: step 301 and step 302 .
  • Step 301 The second terminal receives resource conflict indication information from the first terminal, and the resource conflict indication information is sent by the first terminal according to the first information, for example, the second terminal is the one sent by the first terminal end;
  • Step 302 The second terminal performs resource reselection according to the resource conflict indication information
  • the first information includes any of the following:
  • the first terminal detects that a transmission resource conflict of the second terminal occurs
  • the first terminal detects that a conflict occurs in a first transmission resource, and the first transmission resource is a designated transmission resource of the second terminal;
  • the method also includes:
  • the second information indicates whether the second terminal can receive the resource conflict indication information sent by the first terminal, and/or the second information indicates whether the second terminal can receive the resource conflict indication information sent by the first terminal
  • the resource conflict indication information sent is used for resource reselection
  • the third information indicates whether the first terminal can detect that the transmission resource conflict of the second terminal occurs, and/or the third information indicates that the first terminal detects that the transmission resource of the second terminal Send resource conflict indication information in case of conflict
  • the method also includes:
  • the second terminal sends fourth information to the first terminal, where the fourth information indicates whether the first terminal needs to send resource conflict indication information when a first transmission resource conflict is detected, where the The transmission resource of the fourth information is associated with the first transmission resource.
  • the congestion situation of the first terminal resource pool includes any of the following:
  • the congestion degree of the first terminal resource pool is higher than a first preset threshold
  • the congestion degree of the resource pool of the first terminal is higher than a first preset threshold, and the first terminal detects that a transmission resource conflict of the second terminal occurs;
  • the congestion degree of the resource pool of the first terminal is higher than a first preset threshold, and the first terminal detects that a conflict occurs in the first transmission resource;
  • the transmission priority of the first transmission resource is higher than the second preset threshold; or, the transmission priority of the first transmission resource is lower than the third preset threshold, or, the transmission of the first transmission resource It is the transmission of the default cast type.
  • the second terminal performs resource reselection according to the resource conflict indication information, including:
  • the second terminal excludes the time-domain and/or frequency-domain transmission resources occupied by the transmission resources determined by the first terminal to trigger reselection when identifying the candidate resource set according to the resource conflict indication information;
  • the second terminal excludes the time domain and/or frequency domain transmission resources occupied by the transmission resources determined by the first terminal to trigger reselection from the candidate resource set according to the resource conflict indication information;
  • the second terminal excludes the time domain and/or frequency domain transmission associated with the feedback resource corresponding to the transmission resource that the first terminal determines to trigger reselection when identifying the candidate resource set according to the resource conflict indication information resource;
  • the second terminal excludes the time domain and/or frequency domain transmission resource associated with the feedback resource corresponding to the transmission resource that the first terminal determines to trigger reselection from the candidate resource set according to the resource conflict indication information.
  • the second terminal may receive resource conflict indication information from the first terminal, since the resource conflict indication information is sent by the first terminal according to the first information, avoiding excessive resource reselection by the second terminal Problems with reduced transmission reliability and/or efficiency of the system.
  • an embodiment of the present application provides a device for resource reselection, which is applied to a first terminal, and the device includes:
  • the first sending module 401 is configured to send resource conflict indication information according to the first information
  • the first information includes any of the following:
  • the first terminal detects that a transmission resource conflict of a second terminal occurs, and the second terminal is the sending end of the first terminal;
  • the first terminal may also be described as UE-A
  • the second terminal may also be described as UE-B.
  • the first terminal detects that a conflict occurs in a first transmission resource, the first transmission resource is a designated transmission resource of a third terminal, and the third terminal is a sending end of the first terminal;
  • the device also includes:
  • a first receiving module configured to receive second information from the second terminal
  • the second information indicates whether the second terminal can receive the resource conflict indication information sent by the first terminal, and/or the second information indicates whether the second terminal can receive the resource conflict indication information sent by the first terminal
  • the resource conflict indication information sent is used for resource reselection
  • a second sending module configured to send third information to the second terminal
  • the third information indicates whether the first terminal can detect that the transmission resource conflict of the second terminal occurs, and/or the third information indicates that the first terminal detects that the transmission resource of the second terminal In case of a conflict, resource conflict indication information is sent.
  • the device also includes:
  • the second receiving module is configured to receive fourth information from the third terminal, where the fourth information indicates whether the first terminal needs to send resource conflict indication information when a collision of the first transmission resource is detected, wherein , the transmission resource of the fourth information is associated with the first transmission resource.
  • the congestion situation of the first terminal resource pool includes any of the following:
  • the congestion degree of the first terminal resource pool is higher than a first preset threshold
  • the congestion degree of the resource pool of the first terminal is higher than a first preset threshold, and the first terminal detects that a transmission resource conflict of the second terminal occurs;
  • the congestion degree of the resource pool of the first terminal is higher than a first preset threshold, and the first terminal detects that a conflict occurs in the first transmission resource;
  • the transmission priority of the first transmission resource is higher than the second preset threshold; or, the transmission priority of the first transmission resource is lower than the third preset threshold, or, the transmission of the first transmission resource For the transmission of the preset cast type, for example, unicast, groupcast, etc.
  • the first preset threshold is stipulated in a protocol, or the first preset threshold is configured or preconfigured by the control node.
  • the device also includes:
  • a detecting module configured to detect a second transmission resource of at least one sending end of the first terminal, where the second transmission resource is a transmission resource at the first moment.
  • the second transmission resource is a transmission resource reserved by the sending end of the first terminal, and the reservation includes at least one of periodic resource reservation and aperiodic resource reservation.
  • the device also includes:
  • the first judging module is configured to judge the conflict of the second transmission resources of the multiple sending ends of the first terminal according to the second order;
  • the second order is determined according to one or more of the following:
  • the first terminal independently selects
  • the conflicting transmission resources include one or more of the following:
  • the first judging module is further configured to: perform collision judgment on the first to Nth second transmission resources of the sending end of the first terminal, where N is greater than 1.
  • the first judging module is further configured to: detect whether the second transmission resource of the first transmitting end of the first terminal belongs to the non-inclined resource identified by the first terminal; if the If the second transmission resource belongs to the non-preferred resource identified by the first terminal, it is determined that a resource conflict occurs on the second transmission resource of the first sending end;
  • the transmission type of transmission resources of part of or all transmission ends of the first terminal corresponding to the overlapping transmission resource is a preset cast type; or, the transmission type of the transmission resource of the first terminal corresponding to the overlapping transmission resource
  • the transmission priorities of the transmission resources of some senders or all senders are higher than or equal to the preset priorities.
  • any one of the foregoing terminals may not include the first terminal.
  • the sending resource conflict indication information includes:
  • the first triggering method includes: triggering the first sending end to perform resource reselection; or triggering the target sending end to perform resource reselection, and the target sending end includes at least one of the following: the first sending end ; the fifth terminal, the fifth terminal is any terminal that overlaps with the transmission resources of the first sending end; the sixth terminal, the transmission resources of the sixth terminal and the transmission resources of the first sending end are at least partially overlapping, the sixth terminal is the sending end of the first terminal.
  • the measurement amount of the transmission resource of the fifth terminal or the sixth terminal is greater than a fourth preset threshold.
  • the fourth preset threshold is equal to the first threshold, and the first threshold is a threshold used when the first terminal identifies non-preferred resources according to transmission signal strength on the transmission resources.
  • the triggering the target sender to perform resource reselection includes:
  • each of the target senders is triggered to perform resource reselection according to the third sequence.
  • the device also includes:
  • the second judging module is configured to judge whether there is resource conflict in the second transmission resource of the first sending end after triggering a target sending end to perform resource reselection.
  • the first terminal determines that the transmission resource for which resource conflict indication is to be performed is not counted. into the resource conflict determination process.
  • the first triggering manner includes triggering the first sending end to perform resource reselection or including triggering the target sending end to perform resource reselection is stipulated in the protocol.
  • the performing conflict determination on the first to Nth second transmission resources of the sending end of the first terminal respectively includes:
  • the resource conflict indication information is used to instruct the second terminal to exclude the time domain and/or frequency domain transmission occupied by the transmission resource determined by the first terminal to trigger reselection when identifying the candidate resource set. resources; or, the resource conflict indication information is used to instruct the second terminal to exclude from the set of candidate resources when the second terminal selects resources, the time domain occupied by the transmission resource that the first terminal determines to trigger reselection and /or frequency domain transmission resources; or, the resource conflict indication information is used to instruct the second terminal to exclude the feedback resource correlation corresponding to the transmission resource that the first terminal determines to trigger reselection when identifying the candidate resource set or, the resource conflict indication information is used to instruct the second terminal to exclude from the set of candidate resources corresponding to the transmission resources that the first terminal determines to trigger reselection Time-domain and/or frequency-domain transmission resources associated with the feedback resource.
  • the device provided by the embodiment of the present application can realize each process realized by the method embodiment shown in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • an embodiment of the present application provides an apparatus for resource reselection, which is applied to a second terminal.
  • the apparatus 500 includes:
  • the third receiving module 501 is configured to receive resource conflict indication information from the first terminal, the resource conflict indication information is sent by the first terminal according to the first information, for example, the second terminal is the first terminal the sender;
  • a reselection module 502 configured to perform resource reselection according to the resource conflict indication information
  • the first information includes any of the following:
  • the first terminal detects that a transmission resource conflict of the second terminal occurs
  • the first terminal detects that a conflict occurs in a first transmission resource, and the first transmission resource is a designated transmission resource of the second terminal;
  • the device also includes:
  • a fourth sending module configured to send the second information to the first terminal
  • the second information indicates whether the second terminal can receive the resource conflict indication information sent by the first terminal, and/or the second information indicates whether the second terminal can receive the resource conflict indication information sent by the first terminal
  • the resource conflict indication information sent is used for resource reselection
  • a fourth receiving module configured to receive third information from the first terminal
  • the third information indicates whether the first terminal can detect that the transmission resource conflict of the second terminal occurs, and/or the third information indicates that the first terminal detects that the transmission resource of the second terminal In case of a conflict, resource conflict indication information is sent.
  • a fifth sending module configured to send fourth information to the first terminal, where the fourth information indicates whether the first terminal needs to send resource conflict indication information when a collision of the first transmission resource is detected, wherein , the transmission resource of the fourth information is associated with the first transmission resource.
  • the congestion situation of the first terminal resource pool includes any of the following:
  • the congestion degree of the first terminal resource pool is higher than a first preset threshold
  • the congestion degree of the resource pool of the first terminal is higher than a first preset threshold, and the first terminal detects that a transmission resource conflict of the second terminal occurs;
  • the congestion degree of the resource pool of the first terminal is higher than a first preset threshold, and the first terminal detects that a conflict occurs in the first transmission resource;
  • the transmission priority of the first transmission resource is higher than the second preset threshold; or, the transmission priority of the first transmission resource is lower than the third preset threshold, or, the transmission of the first transmission resource It is the transmission of the default cast type.
  • the reselection module 502 is further used to:
  • the resource conflict indication information excluding the time domain and/or frequency domain transmission resources occupied by the transmission resources determined by the first terminal to trigger reselection when identifying the candidate resource set;
  • the resource conflict indication information excluding the time domain and/or frequency domain transmission resource associated with the feedback resource corresponding to the transmission resource determined by the first terminal to trigger reselection when identifying the candidate resource set;
  • the time domain and/or frequency domain transmission resource associated with the feedback resource corresponding to the transmission resource determined by the first terminal to trigger reselection is excluded from the candidate resource set according to the resource conflict indication information.
  • the device provided by the embodiment of the present application can implement the various processes implemented by the method embodiment shown in FIG. 3 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, and the processor is configured to execute the flow of the method shown in FIG. 2 or FIG. 3 .
  • This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • FIG. 6 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 600 includes, but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, and a display unit. 606 , at least some components in the user input unit 607 , the interface unit 608 , the memory 609 , and the processor 610 .
  • the terminal 600 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 610 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 6 does not constitute a limitation on the terminal.
  • the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 604 may include a graphics processor (Graphics Processing Unit, GPU) 6041 and a microphone 6042, and the graphics processor 6041 is used for the image capture device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 606 may include a display panel 6061, and the display panel 6061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 607 includes a touch panel 6071 and other input devices 6072 .
  • the touch panel 6071 is also called a touch screen.
  • the touch panel 6071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 6072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 601 receives the downlink data from the network side device, and processes it to the processor 610; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 601 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 memory 609 can be used to store software programs or instructions as well as various data.
  • the memory 609 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 609 can include a high-speed random access memory, and can also include a non-transitory memory, wherein the non-transitory memory can be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM) ), Erasable Programmable Read-Only Memory (Erasable PROM, EPROM), Electrically Erasable Programmable Read-Only Memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM read-only memory
  • PROM programmable read-only memory
  • Erasable PROM Erasable Programmable Read-Only Memory
  • EPROM Electrically Erasable Programmable Read-Only Memory
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • flash memory for example at least one disk storage device, flash memory device, or other non-transitory solid state storage device.
  • the processor 610 may include one or more processing units; optionally, the processor 610 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs or instructions, etc., Modem processors mainly handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 610 .
  • the terminal provided by the embodiment of the present application can realize each process realized by the method embodiment shown in FIG. 2 or FIG. 3 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application further provides a communication device 700, including a processor 701, a memory 702, and programs or instructions stored in the memory 702 and operable on the processor 701,
  • a communication device 700 including a processor 701, a memory 702, and programs or instructions stored in the memory 702 and operable on the processor 701
  • the communication device 700 is a terminal
  • the program or instruction is executed by the processor 701
  • each process of the method embodiment in FIG. 2 or FIG. 3 can be realized, and the same technical effect can be achieved.
  • the embodiment of the present application also provides a computer program/program product, the computer program/program product is stored in a non-volatile storage medium, and the computer program/program product is executed by at least one processor to realize the Or the steps of the processing method described in FIG. 3 .
  • the embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by the processor, each process of the method embodiment shown in FIG. 2 or FIG. 3 above is implemented. , and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
  • the processor is the processor in the terminal or the network side device described in the foregoing embodiments.
  • the readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the embodiment of the present application also provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the above described in Figure 2 or Figure 3
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run programs or instructions to implement the above described in Figure 2 or Figure 3
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.

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Abstract

本申请公开了一种资源重选的方法、装置、设备及计算机存储介质,该方法包括:第一终端根据第一信息,发送资源冲突指示信息;其中,所述第一信息包括以下任意一项:所述第一终端检测到第二终端的传输资源发生冲突,所述第二终端是所述第一终端的发送端;所述第一终端检测到第一传输资源发生冲突,所述第一传输资源是第二终端的指定传输资源;所述第一终端资源池的拥塞情况;第一顺序,所述第一顺序表示第一终端发送资源冲突指示信息的顺序。

Description

资源重选的方法、装置、设备及计算机存储介质
相关申请的交叉引用
本申请主张在2021年9月29日在中国提交的中国专利申请No.202111152841.0的优先权,其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域,具体涉及一种资源重选的方法、装置、设备及计算机存储介质。
背景技术
旁链路(SlideLink,SL)资源选择增强方案中,终端(User Equipment,UE)A(UE-A)进行资源冲突检测,如果检测到资源冲突,UE-A向终端B(UE-B)发送资源冲突指示,UE-B根据资源冲突指示进行资源重选。通过该增强方案,能够有效的解决发送端UE和UE-A通信存在的隐藏节点或暴露节点(hidden node/exposed node)问题,虽然这种方式在一定程度上提升了UE-A和UE-B之间的传输性能。但是,过多的资源重选会造成系统的传输可靠性和/或效率下降。
发明内容
本申请实施例提供一种资源重选的方法、装置、设备及计算机存储介质,能够解决如何触发资源重选的问题。
第一方面,提供一种资源重选的方法,所述方法包括:
第一终端根据第一信息,发送资源冲突指示信息;
其中,所述第一信息包括以下任意一项:
所述第一终端检测到第二终端的传输资源发生冲突,所述第二终端是所述第一终端的发送端;
所述第一终端检测到第一传输资源发生冲突,所述第一传输资源是第二终端的指定传输资源;
所述第一终端资源池的拥塞情况;
第一顺序,所述第一顺序表示第一终端发送资源冲突指示信息的顺序。
第二方面,提供一种资源重选的方法,所述方法包括:
第二终端从第一终端接收资源冲突指示信息,所述资源冲突指示信息是所述第一终端根据第一信息发送的;
所述第二终端根据所述资源冲突指示信息进行资源重选;
其中,所述第一信息包括以下任意一项:
所述第一终端检测到所述第二终端的传输资源发生冲突;
所述第一终端检测到第一传输资源发生冲突,所述第一传输资源是所述第二终端的指定传输资源;
所述第一终端资源池的拥塞情况;
第一顺序,所述第一顺序表示第一终端发送资源冲突指示信息的顺序。
第三方面,提供一种资源重选的装置,包括:
第一发送模块,用于根据第一信息,发送资源冲突指示信息;
其中,所述第一信息包括以下任意一项:
所述第一终端检测到第二终端的传输资源发生冲突,所述第二终端是所述第一终端的发送端;
所述第一终端检测到第一传输资源发生冲突,所述第一传输资源是第三终端的指定传输资源,所述第三终端是所述第一终端的发送端;
所述第一终端资源池的拥塞情况;
第一顺序,所述第一顺序表示第一终端发送资源冲突指示信息的顺序。
第四方面,提供一种资源重选的装置,包括:
第三接收模块,用于从第一终端接收资源冲突指示信息,所述资源冲突指示信息是所述第一终端根据第一信息发送的;
重选模块,用于根据所述资源冲突指示信息进行资源重选;
其中,所述第一信息包括以下任意一项:
所述第一终端检测到第二终端的传输资源发生冲突;
所述第一终端检测到第一传输资源发生冲突,所述第一传输资源是第二终端的指定传输资源;
所述第一终端资源池的拥塞情况;
第一顺序,所述第一顺序表示第一终端发送资源冲突指示信息的顺序。
第五方面,提供一种终端,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,所述程序被所述处理器执行时实现如第一方面或第二方面所述的方法的步骤。
第六方面,提供一种可读存储介质,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第一方面或第二方面所述的方法的步骤。
第七方面,提供一种计算机程序产品,所述计算机程序产品被存储在非瞬态的存储介质中,所述计算机程序产品被至少一个处理器执行以实现如第一方面或第二方面所述的方法的步骤。
第八方面,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,实现如第一方面或第二方面所述的方法。
第九方面,提供了一种通信设备,被配置为执行如第一方面或第二方面所述的方法。
在本申请实施例中,第一终端可以根据第一信息触发资源重选,避免过多的资源重选造成系统的传输可靠性和/或效率下降的问题。
附图说明
图1是本申请实施例可应用的一种无线通信系统的示意图;
图2是本申请实施例中提供的资源重选的方法的流程图之一;
图3是本申请实施例中提供的资源重选的方法的流程图之二;
图4是本申请实施例中提供的资源重选的装置的示意图之一;
图5是本申请实施例中提供的资源重选的装置的示意图之二;
图6是本申请实施例提供的终端的示意图;
图7是本申请实施例提供的通信设备的示意图。
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,而不用于描述指定的顺序或先后次序。应该理解这样使用的术语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,且“第一”、“第二”所区别的对象通常为一类,并不限定对象的个数,例如第一对象可以是一个,也可以是多个。此外,说明书以及权利要求中“和”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。
值得指出的是,本申请实施例所描述的技术不限于新空口(New Radio,NR)系统、长期演进型(Long Term Evolution,LTE)/LTE的演进(LTE-Advanced,LTE-A)系统,还可用于其他无线通信系统,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。本申请实施例中的术语“系统”和“网络”常被可互换地使用,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。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,但是这些技术也可应用于NR系统应用以外的应用,如第6代(6 th Generation,6G)通信系统。
为了便于更好的理解本申请实施例,下面先介绍以下技术点:
一、关于新空口(New Radio,NR)sidelink资源分配/选择的介绍。
NR 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发送端(Transmit,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(sensing)结果选择出干扰较小的资源集合,再从所述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,资源选择窗口的下边界在资源选择触发后的T1时间,资源选择的上边界在触发后的T2时间,其中T2是UE实现的方式在其传输块(Transport Block,TB)传输的分组包延迟预算(packet delay budget,PDB)内选择的值,T2不早于T1。
2)UE在资源选择的之前,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测量的参考信号接收功率(Reference Signal Receiving Power,RSRP)与相应的RSRP门限(threshold)做对比,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x%,如果少于x%,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。
鉴于mode 2UE在确定candidate resource set的时候基于监听邻近(proximity)UE的传输资源预留(transmission resource reservation)进行的。所以,mode 2资源排除可以称为“基于预留传输资源(reserved transmission resource)的资源排除”,mode 2资源选择可以称为“基于reserved transmission resource的资源排除”的资源选择。
二、关于NR sidelink资源分配/选择增强的介绍
UE-A进行资源冲突检测,如果检测到资源冲突,UE-A向UE-B发送资源冲突指示,UE-B根据资源冲突指示进行资源重选。其中,UE-A进行资源冲突判定的场景包括但不限于:
UE-x到UE-A的物理旁链路控制信道(Physical Sidelink Control Channel,PSCCH)/物理旁链路共享信道(Physical Sidelink Share Channel,PSSCH)传 输资源与UE-y的PSCCH/PSSCH传输资源(UE-y到UE-A,或者UE-y到UE-z)发生资源冲突,UE-A触发UE-x或者UE-A触发UE-y进行资源重选,进行资源重选的UE为UE-B。
UE-x到UE-A的PSCCH/PSSCH传输资源与UE-y的PSCCH/PSSCH传输资源(UE-y到UE-A,或者UE-y到UE-z)发生资源冲突,UE-A触发UE-x或者UE-A触发UE-y进行资源重选。
这种方式在一定程度上提升了UE-x/UE-y到UE-A的传输性能。但是,过多的资源重选会造成系统的传输可靠性/效率下降,所以所述方案应该尽量避免过多的资源重选/冗余的资源重选。另外,资源重选不当,也不能提升UE-x/UE-y到UE-A的传输性能。
所以,亟需解决UE-A在什么情况下如何进行资源重选触发,UE-B资源重选行为应该如何增强。
参见图1,图中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、终端12和网络侧设备13。其中,终端也可以称作终端设备或者UE,终端可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant,PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer,UMPC)、移动上网装置(Mobile Internet Device,MID)、增强现实(augmented reality,AR)/虚拟现实(virtual reality,VR)设备、机器人、可穿戴式设备(Wearable Device)、车载设备(Vehicle User Equipment,VUE)、行人终端(Pedestrian User Equipment,PUE)、智能家居(具有无线通信功能的家居设备,如冰箱、电视、洗衣机或者家具等)等终端侧设备,可穿戴式设备包括:智能手表、智能手环、智能耳机、智能眼镜、智能首饰(智能手镯、智能手链、智能戒指、智能项链、智能脚镯、智能脚链等)、智能腕带、智能服装、游戏机等。需要说明的是,在本申请实施例并不限定终端11、终端12的具体类型。
网络侧设备13可以是基站或核心网,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 ServiceSet,BSS)、扩展服务集(Extended  ServiceSet,ESS)、B节点、演进型B节点(gNB)、家用B节点、家用演进型B节点、WLAN接入点、WiFi节点、发送接收点(Transmitting Receiving Point,TRP)、无线接入网节点或所述领域中其它某个合适的术语,只要达到相同的技术效果,所述基站不限于指定技术词汇,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,但是并不限定基站的具体类型。
参见图2,本申请实施例提供一种资源重选的方法,具体步骤包括:步骤201。
步骤201:第一终端根据第一信息,发送资源冲突指示信息;
其中,所述第一信息包括以下任意一项:
(1)所述第一终端检测到第二终端的传输资源发生冲突,所述第二终端是所述第一终端的发送端;
比如,第一终端也可以描述为UE-A,第二终端也可以描述为UE-B。
这样,第一终端检测到来自某特定的发送端的传输资源冲突,才触发资源重选,以避免过多的资源重选/冗余的资源重选。
本文中的传输资源可以指物理旁链路控制信道(Physical Sidelink Control Channel,PSCCH)或物理旁链路共享信道(Physical Sidelink Share Channel,PSSCH)传输资源。
(2)所述第一终端检测到第一传输资源发生冲突,所述第一传输资源是第二终端的指定传输资源;
这样,第一终端检测到来自其发送端的特定传输资源发生冲突,才触发资源重选,以避免过多的资源重选/冗余的资源重选。
(3)所述第一终端资源池的拥塞情况;
这样,第一终端可以根据资源池的拥塞情况使能该特性,以避免过多的资源重选造成系统性能下降。
(4)第一顺序,所述第一顺序表示第一终端发送资源冲突指示信息的顺序。
这样,第一终端的某发送端到第一终端的传输资源与多个(或一个)其他传输资源发生冲突,可以按照第一顺序依次触发冲突的传输资源进行重选,避免盲目的触发所有/过多的冲突资源重选,造成系统性能下降。
在本申请的一种实施方式中,所述方法还包括以下一项或多项:
方式a:所述第一终端从所述第二终端接收第二信息;
比如,第一终端通过PC5无线资源控制(Radio Resource Control,RRC)信令从所述第二终端接收第二信息。
其中,所述第二信息指示所述第二终端能否接收所述第一终端发送的资源冲突指示信息,和/或所述第二信息指示所述第二终端能否根据所述第一终端发送的资源冲突指示信息进行资源重选;
方式b:所述第一终端向所述第二终端发送第三信息;
比如,第一终端通过PC5-RRC信令向所述第二终端发送第三信息。
其中,所述第三信息指示所述第一终端是否能够检测所述第二终端的传输资源发生冲突,和/或所述第三信息指示所述第一终端在检测到所述第二终端的传输资源发生冲突的情况下发送资源冲突指示信息。
可以理解的是,通过第一终端和第二终端协商第一终端是否能够在检测到第二终端的传输资源发生冲突的情况下发送资源冲突指示信息。比如,第一终端和第二终端协商通过PC5-RRC信令协商对于那些资源第一终端是否能够在检测到第二终端的传输资源发生冲突的情况下发送资源冲突指示信息,其中PC5-RRC信令中携带资源标识(source Identity document,source ID)或目的标识(destination ID)。
在本申请的一种实施方式中,所述方法还包括:
所述第一终端从所述第二终端接收第四信息,所述第四信息表示所述第一终端是否需要在检测到第一传输资源发生冲突的情况下发送资源冲突指示信息,其中,所述第四信息的传输资源与所述第一传输资源相关联。
在本申请的一种实施方式中,所述第一终端资源池的拥塞情况,包括以下任意一项:
(1)所述第一终端资源池的拥塞程度高于第一预设阈值;
可选地,拥塞程度可以是信道繁忙率(Channel Busy Ratio,CBR),当然并不限于此。
(2)所述第一终端的资源池的拥塞程度高于第一预设阈值,且所述第一终端检测到所述第二终端的传输资源发生冲突;
(3)所述第一终端的资源池的拥塞程度高于第一预设阈值,且所述第一终端检测到所述第一传输资源发生冲突;
其中,所述第一传输资源的传输优先级高于第二预设阈值;或者,所述第一传输资源的传输优先级低于第三预设阈值,或者,所述第一传输资源的传输为预设投射(cast)类型的传输,比如,点播(unicast),组播(groupcast)等。
可选地,所述第一预设阈值是协议约定的,或者所述第一预设阈值是控制节点配置或预配置的。
在本申请的一种实施方式中,在所述第一终端根据第一顺序,发送资源冲突指示信息的步骤之前,所述方法还包括:
所述第一终端检测所述第一终端的至少一个发送端的第二传输资源,所述第二传输资源是第一时刻的传输资源。
可选地,所述第二传输资源是所述第一终端的发送端预留的传输资源,所述预留包括:周期资源预留和非周期资源预留中的至少一种。
在本申请的一种实施方式中,在所述第一终端检测到所述第一终端的发送端的多个第二传输资源的情况下,所述方法还包括:
所述第一终端根据第二顺序,对所述第一终端的多个发送端的第二传输资源进行冲突判定;
其中,所述第二顺序是根据以下一项或多项确定的:
(1)所述第二传输资源的优先级;
例如,先对低优先级的第二传输资源进行冲突判定。
(2)与所述第二传输资源发生冲突的传输资源的数量;
例如,对于某个第二传输资源,如果与之冲突的传输资源数量最多,则先对该第二传输资源进行冲突判定。
(3)所述第二传输资源的频域资源的序号;
例如,对于某个第二传输资源,如果该第二传输资源的频域起始位置序号最大/最小,则先对该第二传输资源进行冲突判定。
(4)所述第二传输资源的测量量;
例如,对于某个第二传输资源,如果该第二传输资源测量的RSRP或接 收的信号强度指示(Received Signal Strength Indication,RSSI)值最大/最小,则先对该第二传输资源进行冲突判定。
(5)第一信令(或者描述为资源预留信令)的发送时间,所述第一信令用于所述第一终端的发送端指示所述第二传输资源为预留资源;
例如,对于某个第二传输资源,如果该第二传输资源测量的第一信令发送越早,则优先对该第二传输资源进行冲突判定。
(6)所述第一终端的发送端选择所述第二传输资源的时间;
(7)所述第一终端自主选择;
(8)协议约定;
(9)控制节点配置;
(10)预配置。
需要说明的是,多个第二传输资源可能来自同一个发送端,或者,也可能是一部分来自同一个发送端,另一部分来自另一个发送端,或者,也可能是每个第二传输资源都来自不同的发送端。
在本申请的一种实施方式中,所述发生冲突的传输资源包括以下一项或多项:
(1)所述第一终端的发送端的传输资源;
(2)第三终端的传输资源,所述第三终端不是所述第一终端的发送端。
其中,第三终端也可以描述为非第一终端的发送端。
在本申请的一种实施方式中,所述对所述第一终端的发送端的多个第二传输资源进行冲突判定,包括:
对所述第一终端的发送端的第一至第N个第二传输资源分别进行冲突判定,N大于1。
比如,第一终端对该第一终端的发送端的第一个第二传输资源进行冲突判定,并采取相应的重选触发行为,然后第一终端对该第一终端的发送端的第二个第二传输资源进行冲突判定,并采取相应的重选触发行为,然后第一终端对该第一终端的发送端的第三个第二传输资源进行冲突判定,并采取相应的重选触发行为,然后第一终端对该第一终端的发送端的第四个第二传输资源进行冲突判定,并采取相应的重选触发行为,直到解决所有冲突。
需要说明的是,如果某个第一终端对某个第二传输资源进行冲突指示/触发其进行资源重选,则不必再对该第二传输资源进行冲突判定。
在本申请的一种实施方式中,所述对所述第一终端的发送端的第一至第N个第二传输资源分别进行冲突判定,包括:
检测所述第一终端的第一发送端的第二传输资源是否属于所述第一终端识别的非倾向资源;如果所述第二传输资源属于所述第一终端识别的非倾向资源(non-preferred resource),则判定所述第一发送端的第二传输资源发生资源冲突;其中,非倾向资源可以为倾向资源(preferred resource)以外的资源。
或者,
检测所述第一终端的第一发送端的第二传输资源与任意一个终端的传输资源是否有重叠;如果有所述重叠的传输资源,则判定所述第一发送端的第二传输资源发生资源冲突;
其中,所述重叠的传输资源对应的所述第一终端的部分发送端或所有发送端的传输资源的传输类型为预设cast类型;或者,所述重叠的传输资源对应的所述第一终端的部分发送端或所有发送端的传输资源的传输优先级高于或等于预设优先级。
可选地,上述任意一个终端可以不包括第一终端。
在本申请的一种实施方式中,所述发送资源冲突指示信息,包括:
在判定所述第一发送端的第二传输资源发生资源冲突的情况下,根据第一触发方式,发送资源冲突指示信息触发资源重选;
其中,所述第一触发方式包括以下一项或多项:
方式1(Option 1)触发所述第一发送端进行资源重选;
方式2(Option 2)触发目标发送端进行资源重选,所述目标发送端包括以下至少一项:(a)所述第一发送端;(b)第四终端,所述第四终端是与所述第一发送端的传输资源存在资源重叠的任意终端;(c)第五终端,所述第五终端的传输资源与所述第一发送端的传输资源至少部分重叠,所述第五终端为所述第一终端的发送端。
可选地,所述第四终端或第五终端的传输资源的测量量大于第四预设阈值。
可选地,所述第四预设阈值等于第一阈值,所述第一阈值是所述第一终端根据传输资源上的传输信号强度识别非倾向资源时使用的阈值。
可选地,所述第一触发方式中包括:触发所述第一发送端进行资源重选还是包括触发目标发送端进行资源重选是协议约定的,即可以约定触发所述第一发送端进行资源重选和触发目标发送端进行资源重选的执行条件。
如果采用上述方式1,第一发送端被触发资源重选。但是,如果资源池(resource pool)使能了抢占检查(preemption check),基于preemption check,与第一发送端的传输资源存在资源重叠的终端可能会被触发重选,从而造成了冗余的资源重选。
如果采用上述的方式2,与第一发送端的传输资源存在资源重叠的终端可能有多个,那么方式2直接导致多个UE的资源重选,不利于系统性能的维持。
在本申请的一种实施方式中,协议可以约定方式1或方式2的执行条件,从而减小对系统性能的负面影响。所述执行条件包括以下至少一项:
执行条件1:如果resource pool没有使能preemption check,采用方式1。
执行条件2:如果相应的resource pool使能了preemption check,至少在如下情况下,采用方式1。
情况a:与第一或第x发送端存在资源重叠的终端的相应传输优先级低于或不高于预设阈值,采用方式1。
和/或,情况b:第一或第x发送端的相应传输优先级大于或等于与第一或第x发送端存在资源重叠的终端的相应传输优先级。
(3)与第一或第x发送端的传输资源重叠的其他终端的传输资源的个数大于预设阈值。
在本申请的一种实施方式中,所述触发目标发送端进行资源重选,包括:
在有多个所述目标发送端的情况下,根据第三顺序,触发各个所述目标发送端进行资源重选。比如,第三顺序是指传输优先级按照从大到小的顺序,或者传输优先级按照从小到大的顺序。
在本申请的一种实施方式中,所述方法还包括:
在触发一个目标发送端进行资源重选之后,所述第一终端重新判断所述 第一发送端的第二传输资源是否还存在资源冲突。
在本申请的一种实施方式中,所述第一终端判断所述第一发送端的第二传输资源是否还存在资源冲突过程中,所述第一终端确定要进行资源冲突指示的传输资源不计入资源冲突判定过程,即第一终端忽略已经确定要触发重选的传输资源。
在本申请的一种实施方式中,所述对所述第一终端的发送端的第一至第N个的第二传输资源分别进行冲突判定,还包括:
所述第一终端对所述第一终端的发送端的第二传输资源进行冲突判定时,所述第一终端确定要进行资源冲突指示的传输资源不计入资源冲突判定过程,即忽略已经确定要触发重选的传输资源。
可选地,所述资源冲突指示信息用于指示所述第二终端在识别备选资源集合时排除所述第一终端确定要触发重选的传输资源所占的时域和/或频域传输资源;或者,所述资源冲突指示信息用于指示所述第二终端在进行资源选择时,从备选资源集合中排除所述第一终端确定要触发重选的传输资源所占的时域和/或频域传输资源;或者,所述资源冲突指示信息用于指示所述第二终端在识别备选资源集合时排除所述第一终端确定要触发重选的传输资源所对应的反馈资源相关联的时域和/或频域传输资源;或者,所述资源冲突指示信息用于指示所述第二终端从备选资源集合中排除所述第一终端确定要触发重选的传输资源所对应的反馈资源相关联的时域和/或频域传输资源。
本文中的反馈资源可以是物理旁链路反馈信道(Physical Sidelink Feedback Channel,PSFCH)反馈资源,反馈资源相关联的传输资源可以指相应的PFSCH时机(occasion)映射的PSCCH或PSSCH传输资源。
这样,避免第二终端重复的选择到同样的资源,造成无用的资源重选,而无法避免资源冲突。
在本申请实施例中,第一终端可以根据第一信息触发资源重选,避免过多的资源重选造成系统的传输可靠性和/或效率下降的问题。
参见图3,本申请实施例提供一种资源重选的方法,具体步骤包括:步骤301和步骤302。
步骤301:第二终端从第一终端接收资源冲突指示信息,所述资源冲突 指示信息是所述第一终端根据第一信息发送的,比如,所述第二终端是所述第一终端的发送端;
步骤302:第二终端根据所述资源冲突指示信息进行资源重选;
其中,所述第一信息包括以下任意一项:
(1)所述第一终端检测到第二终端的传输资源发生冲突;
(2)所述第一终端检测到第一传输资源发生冲突,所述第一传输资源是第二终端的指定传输资源;
(3)所述第一终端资源池的拥塞情况;
(4)第一顺序,所述第一顺序表示第一终端发送资源冲突指示信息的顺序。
在本申请的一种实施方式中,所述方法还包括:
所述第二终端向所述第一终端发送所述第二信息;
其中,所述第二信息指示所述第二终端能否接收所述第一终端发送的资源冲突指示信息,和/或所述第二信息指示所述第二终端能否根据所述第一终端发送的资源冲突指示信息进行资源重选;
和/或,
所述第二终端从所述第一终端接收第三信息;
所述第三信息指示所述第一终端是否能够检测所述第二终端的传输资源发生冲突,和/或所述第三信息指示所述第一终端在检测到所述第二终端的传输资源发生冲突的情况下发送资源冲突指示信息
在本申请的一种实施方式中,所述方法还包括:
所述第二终端向所述第一终端发送第四信息,所述第四信息表示所述第一终端是否需要在检测到第一传输资源发生冲突的情况下发送资源冲突指示信息,其中,所述第四信息的传输资源与所述第一传输资源相关联。
在本申请的一种实施方式中,所述第一终端资源池的拥塞情况,包括以下任意一项:
所述第一终端资源池的拥塞程度高于第一预设阈值;
所述第一终端的资源池的拥塞程度高于第一预设阈值,且所述第一终端检测到所述第二终端的传输资源发生冲突;
所述第一终端的资源池的拥塞程度高于第一预设阈值,且所述第一终端检测到所述第一传输资源发生冲突;
其中,所述第一传输资源的传输优先级高于第二预设阈值;或者,所述第一传输资源的传输优先级低于第三预设阈值,或者,所述第一传输资源的传输为预设cast类型的传输。
在本申请的一种实施方式中,所述第二终端根据所述资源冲突指示信息进行资源重选,包括:
所述第二终端根据所述资源冲突指示信息,在识别备选资源集合时排除所述第一终端确定要触发重选的传输资源所占的时域和/或频域传输资源;
或者,
所述第二终端根据所述资源冲突指示信息从备选资源集合中排除所述第一终端确定要触发重选的传输资源所占的时域和/或频域传输资源;
或者,
所述第二终端根据所述资源冲突指示信息,在识别备选资源集合时排除所述第一终端确定要触发重选的传输资源所对应的反馈资源相关联的时域和/或频域传输资源;
或者,
所述第二终端根据所述资源冲突指示信息从备选资源集合中排除所述第一终端确定要触发重选的传输资源所对应的反馈资源相关联的时域和/或频域传输资源。
在本申请实施例中,第二终端可以从第一终端接收资源冲突指示信息,由于资源冲突指示信息是所述第一终端根据第一信息发送,避免第二终端过多的资源重选造成的系统的传输可靠性和/或效率下降的问题。
参见图4,本申请实施例提供一种资源重选的装置,应用于第一终端,该装置包括:
第一发送模块401,用于根据第一信息,发送资源冲突指示信息;
其中,所述第一信息包括以下任意一项:
(1)所述第一终端检测到第二终端的传输资源发生冲突,所述第二终端是所述第一终端的发送端;
比如,第一终端也可以描述为UE-A,第二终端也可以描述为UE-B。
(2)所述第一终端检测到第一传输资源发生冲突,所述第一传输资源是第三终端的指定传输资源,所述第三终端是所述第一终端的发送端;
(3)所述第一终端资源池的拥塞情况;
(4)第一顺序,所述第一顺序表示第一终端发送资源冲突指示信息的顺序。
在本申请的一种实施方式中,所述装置还包括:
第一接收模块,用于从所述第二终端接收第二信息;
其中,所述第二信息指示所述第二终端能否接收所述第一终端发送的资源冲突指示信息,和/或所述第二信息指示所述第二终端能否根据所述第一终端发送的资源冲突指示信息进行资源重选;
和/或,
第二发送模块,用于向所述第二终端发送第三信息;
所述第三信息指示所述第一终端是否能够检测所述第二终端的传输资源发生冲突,和/或所述第三信息指示所述第一终端在检测到所述第二终端的传输资源发生冲突的情况下发送资源冲突指示信息。
在本申请的一种实施方式中,所述装置还包括:
第二接收模块,用于从所述第三终端接收第四信息,所述第四信息表示所述第一终端是否需要在检测到第一传输资源发生冲突的情况下发送资源冲突指示信息,其中,所述第四信息的传输资源与所述第一传输资源相关联。
在本申请的一种实施方式中,所述第一终端资源池的拥塞情况,包括以下任意一项:
(1)所述第一终端资源池的拥塞程度高于第一预设阈值;
(2)所述第一终端的资源池的拥塞程度高于第一预设阈值,且所述第一终端检测到所述第二终端的传输资源发生冲突;
(3)所述第一终端的资源池的拥塞程度高于第一预设阈值,且所述第一终端检测到所述第一传输资源发生冲突;
其中,所述第一传输资源的传输优先级高于第二预设阈值;或者,所述第一传输资源的传输优先级低于第三预设阈值,或者,所述第一传输资源的 传输为预设cast类型的传输,比如,unicast,groupcast等。
可选地,所述第一预设阈值是协议约定的,或者所述第一预设阈值是控制节点配置或预配置的。
在本申请的一种实施方式中,所述装置还包括:
检测模块,用于检测所述第一终端的至少一个发送端的第二传输资源,所述第二传输资源是第一时刻的传输资源。
可选地,所述第二传输资源是所述第一终端的发送端预留的传输资源,所述预留包括:周期资源预留和非周期资源预留中的至少一种。
在本申请的一种实施方式中,所述装置还包括:
第一判断模块,用于根据第二顺序,对所述第一终端的多个发送端的第二传输资源进行冲突判定;
其中,所述第二顺序是根据以下一项或多项确定的:
(1)所述第二传输资源的优先级;
(2)与所述第二传输资源发生冲突的传输资源的数量;
(3)所述第二传输资源的频域资源的序号;
(4)所述第二传输资源的测量量;
(5)第一信令的发送时间,所述第一信令用于所述第一终端的发送端指示所述第二传输资源为预留资源;
(6)所述第一终端的发送端选择所述第二传输资源的时间;
(7)所述第一终端自主选择;
(8)协议约定;
(9)控制节点配置;
(10)预配置。
在本申请的一种实施方式中,所述发生冲突的传输资源包括以下一项或多项:
(1)所述第一终端的发送端的传输资源;
(2)第四终端的传输资源,所述第四终端不是所述第一终端的发送端。
在本申请的一种实施方式中,所述第一判断模块进一步用于:对所述第一终端的发送端的第一至第N个第二传输资源分别进行冲突判定,N大于1。
在本申请的一种实施方式中,所述第一判断模块进一步用于:检测所述第一终端的第一发送端的第二传输资源是否属于所述第一终端识别的非倾向资源;如果所述第二传输资源属于所述第一终端识别的非倾向资源,则判定所述第一发送端的第二传输资源发生资源冲突;
或者,
检测所述第一终端的第一发送端的第二传输资源与任意一个终端的传输资源是否有重叠;如果有所述重叠的传输资源,则判定所述第一发送端的第二传输资源发生资源冲突;
其中,所述重叠的传输资源对应的所述第一终端的部分发送端或所有发送端的传输资源的传输类型为预设cast类型;或者,所述重叠的传输资源对应的所述第一终端的部分发送端或所有发送端的传输资源的传输优先级高于或等于预设优先级。
可选地,上述任意一个终端可以不包括第一终端。
在本申请的一种实施方式中,所述发送资源冲突指示信息,包括:
在判定所述第一发送端的第二传输资源发生资源冲突的情况下,根据第一触发方式,发送资源冲突指示信息触发资源重选;
其中,所述第一触发方式包括:触发所述第一发送端进行资源重选;或者,触发目标发送端进行资源重选,所述目标发送端包括以下至少一项:所述第一发送端;第五终端,所述第五终端是与所述第一发送端的传输资源存在资源重叠的任意终端;第六终端,所述第六终端的传输资源与所述第一发送端的传输资源至少部分重叠,所述第六终端为所述第一终端的发送端。
可选地,所述第五终端或第六终端的传输资源的测量量大于第四预设阈值。
可选地,所述第四预设阈值等于第一阈值,所述第一阈值是所述第一终端根据传输资源上的传输信号强度识别非倾向资源时使用的阈值。
在本申请的一种实施方式中,所述触发目标发送端进行资源重选,包括:
在有多个所述目标发送端的情况下,根据第三顺序,触发各个所述目标发送端进行资源重选。
在本申请的一种实施方式中,所述装置还包括:
第二判断模块,用于在触发一个目标发送端进行资源重选之后,判断所述第一发送端的第二传输资源是否还存在资源冲突。
在本申请的一种实施方式中,所述第一终端判断所述第一发送端的第二传输资源是否还存在资源冲突过程中,所述第一终端确定要进行资源冲突指示的传输资源不计入资源冲突判定过程。
可选地,所述第一触发方式中包括触发所述第一发送端进行资源重选还是包括触发目标发送端进行资源重选是协议约定的。
在本申请的一种实施方式中,所述对所述第一终端的发送端的第一至第N个的第二传输资源分别进行冲突判定,还包括:
对所述第一终端的发送端的第二传输资源进行冲突判定时,确定要进行资源冲突指示的传输资源不计入资源冲突判定过程。
可选地,所述资源冲突指示信息用于指示所述第二终端在识别备选资源集合时排除所述第一终端确定要触发重选的传输资源所占的时域和/或频域传输资源;或者,所述资源冲突指示信息用于指示所述第二终端在进行资源选择时,从备选资源集合中排除所述第一终端确定要触发重选的传输资源所占的时域和/或频域传输资源;或者,所述资源冲突指示信息用于指示所述第二终端在识别备选资源集合时排除所述第一终端确定要触发重选的传输资源所对应的反馈资源相关联的时域和/或频域传输资源;或者,所述资源冲突指示信息用于指示所述第二终端从备选资源集合中排除所述第一终端确定要触发重选的传输资源所对应的反馈资源相关联的时域和/或频域传输资源。
本申请实施例提供的装置能够实现图2所示的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
参见图5,本申请实施例提供一种资源重选的装置,应用于第二终端,该装置500包括:
第三接收模块501,用于从第一终端接收资源冲突指示信息,所述资源冲突指示信息是所述第一终端根据第一信息发送的,比如,所述第二终端是所述第一终端的发送端;
重选模块502,用于根据所述资源冲突指示信息进行资源重选;
其中,所述第一信息包括以下任意一项:
(1)所述第一终端检测到第二终端的传输资源发生冲突;
(2)所述第一终端检测到第一传输资源发生冲突,所述第一传输资源是第二终端的指定传输资源;
(3)所述第一终端资源池的拥塞情况;
(4)第一顺序,所述第一顺序表示第一终端发送资源冲突指示信息的顺序。
在本申请的一种实施方式中,所述装置还包括:
第四发送模块,用于向所述第一终端发送所述第二信息;
其中,所述第二信息指示所述第二终端能否接收所述第一终端发送的资源冲突指示信息,和/或所述第二信息指示所述第二终端能否根据所述第一终端发送的资源冲突指示信息进行资源重选;
和/或,
第四接收模块,用于从所述第一终端接收第三信息;
所述第三信息指示所述第一终端是否能够检测所述第二终端的传输资源发生冲突,和/或所述第三信息指示所述第一终端在检测到所述第二终端的传输资源发生冲突的情况下发送资源冲突指示信息。
在本申请的一种实施方式中,所述装置还包括:
第五发送模块,用于向所述第一终端发送第四信息,所述第四信息表示所述第一终端是否需要在检测到第一传输资源发生冲突的情况下发送资源冲突指示信息,其中,所述第四信息的传输资源与所述第一传输资源相关联。
在本申请的一种实施方式中,所述第一终端资源池的拥塞情况,包括以下任意一项:
所述第一终端资源池的拥塞程度高于第一预设阈值;
所述第一终端的资源池的拥塞程度高于第一预设阈值,且所述第一终端检测到所述第二终端的传输资源发生冲突;
所述第一终端的资源池的拥塞程度高于第一预设阈值,且所述第一终端检测到所述第一传输资源发生冲突;
其中,所述第一传输资源的传输优先级高于第二预设阈值;或者,所述第一传输资源的传输优先级低于第三预设阈值,或者,所述第一传输资源的 传输为预设cast类型的传输。
在本申请的一种实施方式中,重选模块502进一步用于:
根据所述资源冲突指示信息,在识别备选资源集合时排除所述第一终端确定要触发重选的传输资源所占的时域和/或频域传输资源;
或者,
根据所述资源冲突指示信息从备选资源集合中排除所述第一终端确定要触发重选的传输资源所占的时域和/或频域传输资源;
或者,
根据所述资源冲突指示信息,在识别备选资源集合时排除所述第一终端确定要触发重选的传输资源所对应的反馈资源相关联的时域和/或频域传输资源;
或者,
根据所述资源冲突指示信息从备选资源集合中排除所述第一终端确定要触发重选的传输资源所对应的反馈资源相关联的时域和/或频域传输资源。
本申请实施例提供的装置能够实现图3所示的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
本申请实施例还提供一种终端,包括处理器和通信接口,处理器用于执行图2或图3所示的方法的流程。该终端实施例是与上述终端侧方法实施例对应的,上述方法实施例的各个实施过程和实现方式均可适用于该终端实施例中,且能达到相同的技术效果。
具体地,图6为实现本申请实施例的一种终端的硬件结构示意图,该终端600包括但不限于:射频单元601、网络模块602、音频输出单元603、输入单元604、传感器605、显示单元606、用户输入单元607、接口单元608、存储器609、以及处理器610等中的至少部分部件。
本领域技术人员可以理解,终端600还可以包括给各个部件供电的电源(比如电池),电源可以通过电源管理系统与处理器610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。图6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,在此不再赘述。
应理解的是,本申请实施例中,输入单元604可以包括图形处理器(Graphics Processing Unit,GPU)6041和麦克风6042,图形处理器6041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元606可包括显示面板6061,可以采用液晶显示器、有机发光二极管等形式来配置显示面板6061。用户输入单元607包括触控面板6071以及其他输入设备6072。触控面板6071,也称为触摸屏。触控面板6071可包括触摸检测装置和触摸控制器两个部分。其他输入设备6072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆,在此不再赘述。
本申请实施例中,射频单元601将来自网络侧设备的下行数据接收后,给处理器610处理;另外,将上行的数据发送给网络侧设备。通常,射频单元601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。
存储器609可用于存储软件程序或指令以及各种数据。存储器609可主要包括存储程序或指令区和存储数据区,其中,存储程序或指令区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外,存储器609可以包括高速随机存取存储器,还可以包括非瞬态存储器,其中,非瞬态存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。例如至少一个磁盘存储器件、闪存器件、或其他非瞬态固态存储器件。
处理器610可包括一个或多个处理单元;可选地,处理器610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或指令等,调制解调处理器主要处理无线通信,如基带处理器。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610中。
本申请实施例提供的终端能够实现图2或图3所示的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
可选的,如图7所示,本申请实施例还提供一种通信设备700,包括处 理器701,存储器702,存储在存储器702上并可在所述处理器701上运行的程序或指令,例如,该通信设备700为终端时,该程序或指令被处理器701执行时实现上述图2或图3方法实施例的各个过程,且能达到相同的技术效果。
本申请实施例还提供一种计算机程序/程序产品,所述计算机程序/程序产品被存储在非易失的存储介质中,所述计算机程序/程序产品被至少一个处理器执行以实现如图2或图3所述的处理的方法的步骤。
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图2或图3所示方法实施例的各个过程,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终端或网络侧设备中的处理器。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。
本申请实施例还提供了一种芯片,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,实现上述图2或图3所示方法实施例的各个过程,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、物品或者装置不仅包括那些要素,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。
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计算机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。
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 (32)

  1. 一种资源重选的方法,所述方法包括:
    第一终端根据第一信息,发送资源冲突指示信息;
    其中,所述第一信息包括以下任意一项:
    所述第一终端检测到第二终端的传输资源发生冲突,所述第二终端是所述第一终端的发送端;
    所述第一终端检测到第一传输资源发生冲突,所述第一传输资源是第二终端的指定传输资源;
    所述第一终端资源池的拥塞情况;
    第一顺序,所述第一顺序表示所述第一终端发送资源冲突指示信息的顺序。
  2. 根据权利要求1所述的方法,其中,所述方法还包括:
    所述第一终端从所述第二终端接收第二信息;
    其中,所述第二信息指示所述第二终端能否接收所述第一终端发送的资源冲突指示信息,和/或所述第二信息指示所述第二终端能否根据所述第一终端发送的资源冲突指示信息进行资源重选;
    和/或,
    所述第一终端向所述第二终端发送第三信息;
    所述第三信息指示所述第一终端是否能够检测所述第二终端的传输资源发生冲突,和/或所述第三信息指示所述第一终端在检测到所述第二终端的传输资源发生冲突的情况下发送资源冲突指示信息。
  3. 根据权利要求1所述的方法,其中,所述方法还包括:
    所述第一终端从所述第二终端接收第四信息,所述第四信息指示所述第一终端是否需要在检测到第一传输资源发生冲突的情况下发送资源冲突指示信息,其中,所述第四信息的传输资源与所述第一传输资源相关联。
  4. 根据权利要求1所述的方法,其中,所述第一终端资源池的拥塞情况,包括以下任意一项:
    所述第一终端资源池的拥塞程度高于第一预设阈值;
    所述第一终端的资源池的拥塞程度高于第一预设阈值,且所述第一终端检测到所述第二终端的传输资源发生冲突;
    所述第一终端的资源池的拥塞程度高于第一预设阈值,且所述第一终端检测到所述第一传输资源发生冲突;
    其中,所述第一传输资源的传输优先级高于第二预设阈值;或者,所述第一传输资源的传输优先级低于第三预设阈值,或者,所述第一传输资源的传输为预设投射类型的传输。
  5. 根据权利要求4所述的方法,其中,所述第一预设阈值是协议约定的,或者所述第一预设阈值是控制节点配置或预配置的。
  6. 根据权利要求1所述的方法,其中,在所述第一终端根据第一顺序,发送资源冲突指示信息的步骤之前,所述方法还包括:
    所述第一终端检测所述第一终端的至少一个发送端的第二传输资源,所述第二传输资源是第一时刻的传输资源。
  7. 根据权利要求6所述的方法,其中,所述第二传输资源是所述第一终端的发送端预留的传输资源,所述预留包括:周期资源预留和非周期资源预留中的至少一种。
  8. 根据权利要求6所述的方法,其中,在所述第一终端检测到所述第一终端的发送端的多个第二传输资源的情况下,所述方法还包括:
    所述第一终端根据第二顺序,对所述第一终端的多个发送端的第二传输资源进行冲突判定;
    其中,所述第二顺序是根据以下一项或多项确定的:
    所述第二传输资源的优先级;
    与所述第二传输资源发生冲突的传输资源的数量;
    所述第二传输资源的频域资源的序号;
    所述第二传输资源的测量量;
    第一信令的发送时间,所述第一信令用于所述第一终端的发送端指示所述第二传输资源为预留资源;
    所述第一终端的发送端选择所述第二传输资源的时间;
    所述第一终端自主选择;
    协议约定;
    控制节点配置;
    预配置。
  9. 根据权利要求8所述的方法,其中,所述发生冲突的传输资源包括以下一项或多项:
    所述第一终端的发送端的传输资源;
    第三终端的传输资源,所述第三终端不是所述第一终端的发送端。
  10. 根据权利要求8所述的方法,其中,所述对所述第一终端的发送端的多个第二传输资源进行冲突判定,包括:
    对所述第一终端的发送端的第一至第N个第二传输资源分别进行冲突判定,N大于1。
  11. 根据权利要求10所述的方法,其中,所述对所述第一终端的发送端的第一至第N个第二传输资源分别进行冲突判定,包括:
    检测所述第一终端的第一发送端的第二传输资源是否属于所述第一终端识别的非倾向资源;
    如果所述第二传输资源属于所述第一终端识别的非倾向资源,则判定所述第一发送端的第二传输资源发生资源冲突;
    或者,
    检测所述第一终端的第一发送端的第二传输资源与任意一个终端的传输资源是否有重叠;
    如果有重叠的传输资源,则判定所述第一发送端的第二传输资源发生资源冲突;
    其中,所述重叠的传输资源对应的所述第一终端的部分发送端或所述第一终端的所有发送端的传输资源的传输类型为预设cast类型;
    或者,
    所述重叠的传输资源对应的所述第一终端的部分发送端或所述第一终端的所有发送端的传输资源的传输优先级高于或等于预设优先级。
  12. 根据权利要求11所述的方法,其中,所述发送资源冲突指示信息,包括:
    在判定所述第一发送端的第二传输资源发生资源冲突的情况下,根据第一触发方式,发送资源冲突指示信息触发资源重选;
    其中,所述第一触发方式包括:触发所述第一发送端进行资源重选;或者,触发目标发送端进行资源重选,所述目标发送端包括以下至少一项:所述第一发送端;第四终端,所述第四终端是与所述第一发送端的传输资源存在资源重叠的任意终端;第五终端,所述第五终端的传输资源与所述第一发送端的传输资源至少部分重叠,所述第五终端为所述第一终端的发送端。
  13. 根据权利要求12所述的方法,其中,所述第四终端或第五终端的传输资源的测量量大于第四预设阈值。
  14. 根据权利要求13所述的方法,其中,所述第四预设阈值等于第一阈值,所述第一阈值是所述第一终端根据传输资源上的传输信号强度识别非倾向资源时使用的阈值。
  15. 根据权利要求12所述的方法,其中,所述触发目标发送端进行资源重选,包括:
    在有多个所述目标发送端的情况下,根据第三顺序,触发各个所述目标发送端进行资源重选。
  16. 根据权利要求15所述的方法,其中,所述方法还包括:
    在触发一个目标发送端进行资源重选之后,所述第一终端判断所述第一发送端的第二传输资源是否还存在资源冲突。
  17. 根据权利要求16所述的方法,其中,所述第一终端判断所述第一发送端的第二传输资源是否还存在资源冲突过程中,所述第一终端确定要进行资源冲突指示的传输资源不计入资源冲突判定过程。
  18. 根据权利要求12所述的方法,其中,所述第一触发方式中包括:所述触发所述第一发送端进行资源重选还是包括所述触发目标发送端进行资源重选是协议约定的。
  19. 根据权利要求11所述的方法,其中,所述对所述第一终端的发送端的第一至第N个的第二传输资源分别进行冲突判定,还包括:
    所述第一终端对所述第一终端的发送端的第二传输资源进行冲突判定时,所述第一终端确定要进行资源冲突指示的传输资源不计入资源冲突判定过程。
  20. 根据权利要求1所述的方法,其中,所述资源冲突指示信息用于指示所述第二终端在识别备选资源集合时排除所述第一终端确定要触发重选的传输资源所占的时域和/或频域传输资源;
    或者,
    所述资源冲突指示信息用于指示所述第二终端在进行资源选择时,从备选资源集合中排除所述第一终端确定要触发重选的传输资源所占的时域和/或频域传输资源;
    或者,
    所述资源冲突指示信息用于指示所述第二终端在识别备选资源集合时排除所述第一终端确定要触发重选的传输资源所对应的反馈资源相关联的时域和/或频域传输资源;
    或者,
    所述资源冲突指示信息用于指示所述第二终端从备选资源集合中排除所述第一终端确定要触发重选的传输资源所对应的反馈资源相关联的时域和/或频域传输资源。
  21. 一种资源重选的方法,所述方法包括:
    第二终端从第一终端接收资源冲突指示信息,所述资源冲突指示信息是所述第一终端根据第一信息发送的;
    所述第二终端根据所述资源冲突指示信息进行资源重选;
    其中,所述第一信息包括以下任意一项:
    所述第一终端检测到所述第二终端的传输资源发生冲突;
    所述第一终端检测到第一传输资源发生冲突,所述第一传输资源是所述第二终端的指定传输资源;
    所述第一终端资源池的拥塞情况;
    第一顺序,所述第一顺序表示所述第一终端发送资源冲突指示信息的顺序。
  22. 根据权利要求21所述的方法,其中,所述方法还包括:
    所述第二终端向所述第一终端发送所述第二信息;
    其中,所述第二信息指示所述第二终端能否接收所述第一终端发送的资 源冲突指示信息,和/或所述第二信息指示所述第二终端能否根据所述第一终端发送的资源冲突指示信息进行资源重选;
    和/或,
    所述第二终端从所述第一终端接收第三信息;
    所述第三信息指示所述第一终端是否能够检测所述第二终端的传输资源发生冲突,和/或所述第三信息指示所述第一终端在检测到所述第二终端的传输资源发生冲突的情况下发送资源冲突指示信息
  23. 根据权利要求21所述的方法,其中,所述方法还包括:
    所述第二终端向所述第一终端发送第四信息,所述第四信息表示所述第一终端是否需要在检测到第一传输资源发生冲突的情况下发送资源冲突指示信息,其中,所述第四信息的传输资源与所述第一传输资源相关联。
  24. 根据权利要求21所述的方法,其中,所述第一终端资源池的拥塞情况,包括以下任意一项:
    所述第一终端资源池的拥塞程度高于第一预设阈值;
    所述第一终端的资源池的拥塞程度高于第一预设阈值,且所述第一终端检测到所述第二终端的传输资源发生冲突;
    所述第一终端的资源池的拥塞程度高于第一预设阈值,且所述第一终端检测到所述第一传输资源发生冲突;
    其中,所述第一传输资源的传输优先级高于第二预设阈值;或者,所述第一传输资源的传输优先级低于第三预设阈值,或者,所述第一传输资源的传输为预设cast类型的传输。
  25. 根据权利要求21所述的方法,其中,所述第二终端根据所述资源冲突指示信息进行资源重选,包括:
    所述第二终端根据所述资源冲突指示信息,在识别备选资源集合时排除所述第一终端确定要触发重选的传输资源所占的时域和/或频域传输资源;
    或者,
    所述第二终端根据所述资源冲突指示信息从备选资源集合中排除所述第一终端确定要触发重选的传输资源所占的时域和/或频域传输资源;
    或者,
    所述第二终端根据所述资源冲突指示信息,在识别备选资源集合时排除所述第一终端确定要触发重选的传输资源所对应的反馈资源相关联的时域和/或频域传输资源;
    或者,
    所述第二终端根据所述资源冲突指示信息从备选资源集合中排除所述第一终端确定要触发重选的传输资源所对应的反馈资源相关联的时域和/或频域传输资源。
  26. 一种资源重选的装置,包括:
    第一发送模块,用于根据第一信息,发送资源冲突指示信息;
    其中,所述第一信息包括以下任意一项:
    所述第一终端检测到第二终端的传输资源发生冲突,所述第二终端是所述第一终端的发送端;
    所述第一终端检测到第一传输资源发生冲突,所述第一传输资源是第三终端的指定传输资源,所述第三终端是所述第一终端的发送端;
    所述第一终端资源池的拥塞情况;
    第一顺序,所述第一顺序表示第一终端发送资源冲突指示信息的顺序。
  27. 一种资源重选的装置,包括:
    第三接收模块,用于从第一终端接收资源冲突指示信息,所述资源冲突指示信息是所述第一终端根据第一信息发送的;
    重选模块,用于根据所述资源冲突指示信息进行资源重选;
    其中,所述第一信息包括以下任意一项:
    所述第一终端检测到第二终端的传输资源发生冲突;
    所述第一终端检测到第一传输资源发生冲突,所述第一传输资源是第二终端的指定传输资源;
    所述第一终端资源池的拥塞情况;
    第一顺序,所述第一顺序表示第一终端发送资源冲突指示信息的顺序。
  28. 一种终端,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,其中,所述程序被所述处理器执行时实现如权利要求1至25中任一项所述的方法的步骤。
  29. 一种可读存储介质,所述可读存储介质上存储程序或指令,其中,所述程序或指令被处理器执行时实现如权利要求1至25中任一项所述的方法的步骤。
  30. 一种芯片,包括处理器和通信接口,其中,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至25中任一项所述的方法的步骤。
  31. 一种计算机程序产品,其中,所述程序产品被至少一个处理器执行以实现如权利要求1至25中任一项所述的方法。
  32. 一种通信设备,其中,被配置为执行如权利要求1至25中任一项所述的方法。
PCT/CN2022/121268 2021-09-29 2022-09-26 资源重选的方法、装置、设备及计算机存储介质 WO2023051449A1 (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106937380A (zh) * 2015-12-29 2017-07-07 北京信威通信技术股份有限公司 资源处理方法及装置
CN111615190A (zh) * 2019-04-23 2020-09-01 维沃移动通信有限公司 处理方法及设备
WO2021091267A1 (en) * 2019-11-07 2021-05-14 Samsung Electronics Co., Ltd. Method and device for resource allocation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106937380A (zh) * 2015-12-29 2017-07-07 北京信威通信技术股份有限公司 资源处理方法及装置
CN111615190A (zh) * 2019-04-23 2020-09-01 维沃移动通信有限公司 处理方法及设备
WO2021091267A1 (en) * 2019-11-07 2021-05-14 Samsung Electronics Co., Ltd. Method and device for resource allocation

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