WO2023040892A1 - 资源重选方法、装置、通信设备、存储介质及系统 - Google Patents

资源重选方法、装置、通信设备、存储介质及系统 Download PDF

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Publication number
WO2023040892A1
WO2023040892A1 PCT/CN2022/118725 CN2022118725W WO2023040892A1 WO 2023040892 A1 WO2023040892 A1 WO 2023040892A1 CN 2022118725 W CN2022118725 W CN 2022118725W WO 2023040892 A1 WO2023040892 A1 WO 2023040892A1
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Prior art keywords
resource
side device
network side
message
lbt
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English (en)
French (fr)
Inventor
黎建辉
鲍炜
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/304—Reselection being triggered by specific parameters by measured or perceived connection quality data due to measured or perceived resources with higher communication quality

Definitions

  • the present application belongs to the technical field of communication, and specifically relates to a resource reselection method, device, communication device, storage medium and system.
  • the network side equipment can seize unlicensed spectrum resources for the UE, and the UE can use the unlicensed spectrum resources to spend a channel occupancy time (Channel Occupancy) Time, COT) to perform data transmission with the network-side device according to different channel access modes, so as to realize the communication between the UE and the network-side device.
  • a channel occupancy time Channel Occupancy Time, COT
  • the unlicensed spectrum resource seized by the network side device can only be used for communication between the network side device and the UE, and in other communication situations, the success rate of UE channel access will be low.
  • Embodiments of the present application provide a resource reselection method, device, communication device, storage medium, and system, which can solve the problem of a low success rate of UE channel access.
  • a resource reselection method includes: when the UE fails to perform LBT on the first resource, the UE determines the second resource according to the target information; the UE performs LBT on the second resource.
  • the target information includes at least one of the following: resources configured by the network side device, timer information, resource type information, resource granularity reselection probability, and the timer information is used to indicate the duration of stopping the execution of LBT.
  • a resource reselection method includes: a network side device sends target information to a UE, and the target information is used for the UE to reselect resources for performing LBT.
  • the target information includes at least one of the following: resources configured by the network side device, timer information, resource type information, resource granularity reselection probability, and the timer information is used to indicate the duration of stopping the execution of LBT.
  • a resource reselection device in a third aspect, includes: a determination module and an execution module.
  • the determining module is configured to determine the second resource according to the target information when the UE fails to perform LBT on the first resource.
  • An execution module configured to execute LBT on the second resource.
  • the target information includes at least one of the following: resources configured by the network side device, timer information, resource type information, resource granularity reselection probability, and the timer information is used to indicate the duration of stopping the execution of LBT.
  • a resource reselection device configured to send target information to the UE, the target information is used for the UE to reselect resources for performing LBT, and the target information includes at least one of the following: resources configured by the network side device, timer information, resource type information, resource granularity Reselection probability, the timer information is used to indicate the duration of stopping the execution of LBT.
  • a UE in a fifth aspect, includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor, when the program or instruction is executed by the processor. The steps of the method described in the first aspect are realized.
  • a network-side device includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor.
  • the program or instruction is executed by the The processor implements the steps of the method described in the second aspect when executed.
  • a UE including a processor and a communication interface, wherein the processor is configured to determine a second resource according to target information when the UE fails to perform LBT on the first resource; and in the second Perform LBT on the resource.
  • the target information includes at least one of the following: resources configured by the network side device, timer information, resource type information, resource granularity reselection probability, and the timer information is used to indicate the duration of stopping the execution of LBT.
  • a network side device including a processor and a communication interface, wherein the communication interface is used to send target information to a UE, and the target information is used for the UE to reselect resources for performing LBT.
  • the target information includes at least one of the following: resources configured by the network side device, timer information, resource type information, resource granularity reselection probability, and the timer information is used to indicate the duration of stopping the execution of LBT.
  • a readable storage medium is provided, and programs or instructions are stored on the readable storage medium, and when the programs or instructions are executed by a processor, the steps of the method described in the first aspect are realized, or the steps of the method described in the first aspect are realized, or The steps of the method described in the second aspect.
  • a tenth aspect provides a communication system, the communication system includes the resource reselection device according to the third aspect and the resource reselection device according to the fourth aspect; or, the communication system includes the fifth aspect The UE described in the aspect and the network-side device described in the sixth aspect; or, the communication system includes the UE described in the seventh aspect and the network-side device described in the eighth aspect.
  • a chip in an eleventh aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a program or an instruction to implement the method described in the first aspect. method, or implement the method as described in the second aspect.
  • a computer program/program product is provided, the computer program/program product is stored in a non-transitory readable storage medium, and the program/program product is executed by at least one processor to implement the following The steps of the resource reselection method described in the first aspect, or the steps of implementing the resource reselection method described in the second aspect.
  • the UE when the UE fails to perform LBT on the first resource, the UE may determine the second resource according to the target information to perform LBT on the second resource, and the target information may include at least one of the following: The resource configured by the network side device, the timer information indicating the duration of stopping the execution of LBT, the resource type information, and the resource granularity reselection probability.
  • the UE when the UE fails to perform LBT when trying to obtain transmission resources on unlicensed spectrum resources, the UE can reselect an appropriate resource (ie, the second resource) according to the target information to perform the LBT operation on the resource, Moreover, for different target information, multiple ways of determining reselection resources are given, which ensures the communication requirements for data transmission between UEs, thereby improving the success rate of UE channel access.
  • an appropriate resource ie, the second resource
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • FIG. 2 is one of the flowcharts of a resource reselection method provided by an embodiment of the present application
  • Fig. 3 is the second flowchart of a resource reselection method provided by the embodiment of the present application.
  • FIG. 4 is one of the schematic structural diagrams of a resource reselection device provided in an embodiment of the present application.
  • FIG. 5 is the second structural schematic diagram of a resource reselection device provided by an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a hardware structure of a communication device provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a hardware structure of a UE provided in an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a hardware structure of a network side 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 specific sequence 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/or” in the specification and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • 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 New Radio (New Radio, NR) system for example purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th Generation (6th Generation , 6G) communication system.
  • 6th Generation 6th Generation
  • Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 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), handheld computer, netbook, ultra-mobile personal computer (UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), Pedestrian Terminal (PUE) and other terminal-side devices, wearable devices include: smart watches, bracelets, earphones, glasses, etc.
  • the network side device 12 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 (eNB), Home Node B, Home Evolved Node B, WLAN access point, WiFi node, transmission Receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. It should be noted that in the embodiment of this application, only The base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • New air interface New Radio in Unlicensed Spectrum, NR-U working in unlicensed spectrum
  • Radio Resource Control configures a persistent Listen Before Talk (LBT) failure recovery procedure (consistent LBT) for the Media Access Control (MAC) entity. failure recovery procedure), if LBT detection is performed before transmission and the channel is detected to be busy, the lower layer sends an LBT failure indication (LBT failure indication) to the MAC entity.
  • LBT Listen Before Talk
  • the persistent LBT failure is based on each BWP (for per UL BWP), which is generated by the continuous LBT failure count of all uplink (Uplink, UL) transmissions from the lower layer to the MAC entity.
  • the parameter used by the UE for LBT failure counting is LBT_COUNTER (based on each serving cell (for per Serving Cell)).
  • RRC configures two parameters for persistent LBT failure detection (consistent LBT failure detection) in lbt-FailureRecoveryConfig, namely lbt-FailureInstanceMaxCount and lbt-FailureDetectionTimer. Whenever the MAC entity receives a low-level LBT failure indication, the LBT_COUNTER count is incremented by one.
  • LBT_COUNTER> lbt-FailureInstanceMaxCount
  • active UL BWP active uplink bandwidth part
  • PRACH Physical Random Access Channel
  • the eNB/gNB can access the downlink (DL) channel of the nodeB itself, or the UE can initiate channel occupancy sharing (channel occupancy sharing) based on the UL channel access.
  • CAPC Channel Access Priority Class
  • the network side equipment can seize unlicensed spectrum resources for the UE, and the UE can use the unlicensed spectrum resources to communicate with the network according to different channel access modes within a channel occupation time.
  • the device on the network side performs data transmission, so as to realize the communication between the UE and the device on the network side.
  • the unlicensed spectrum resources seized by the network-side equipment can only be used for communication between the network-side equipment and the UE, and UEs cannot use the unlicensed spectrum resources seized by the network-side equipment for communication, causing the UE to try to There are persistent LBT failures when acquiring transmission resources, resulting in a low success rate of UE channel access.
  • the UE when the UE fails to perform LBT on the first resource, the UE may determine the second resource according to the target information, so as to perform LBT on the second resource.
  • the target information includes at least one of the following: resources configured by the network side device, timer information indicating the duration of stopping the execution of LBT, resource type information, and resource granularity reselection probability.
  • the UE when the UE fails to perform LBT when trying to obtain transmission resources on unlicensed spectrum resources, the UE can reselect an appropriate resource (ie, the second resource) according to the target information to perform LBT operations on the resource, Moreover, for different target information, multiple ways of determining reselection resources are given, which ensures the communication requirements for data transmission between UEs, thereby improving the success rate of UE channel access.
  • an appropriate resource ie, the second resource
  • the UE can perform resource selection based on different resource selection granularities, for example, perform resource selection based on carrier (carrier), or perform resource selection based on bandwidth part (Bandwidth Part, BWP), or Resource selection based on resource pool.
  • carrier carrier
  • BWP bandwidth part
  • Resource selection based on resource pool e.g., resource selection based on resource pool.
  • the UE can support sidelink (Sidelink, SL) transmission on one or more carriers on the unlicensed spectrum.
  • one carrier may include one or more bandwidth parts
  • one bandwidth part may include one or more resource pools.
  • FIG. 2 shows a flow chart of the resource reselection method provided in the embodiment of the present application.
  • the resource reselection method provided by the embodiment of the present application may include the following steps 21 to 23 .
  • Step 21 In the case that the UE fails to perform LBT on the first resource, the UE acquires target information.
  • the above-mentioned target information includes at least one of the following: resources configured by the network side device, timer information, resource type information, resource granularity reselection probability, and the timer information is used to indicate the duration of stopping the execution of LBT.
  • Step 22 the UE determines the second resource according to the target information.
  • Step 23 the UE performs LBT on the second resource.
  • the above target information may be determined by any of the following: protocol agreement, network-side device pre-configuration, network-side device configuration, other user equipment indications, and UE autonomous decision.
  • step 21 may specifically be implemented through the following steps 21a and 21b.
  • Step 21a the network side device sends the target information to the UE.
  • step 21b the UE receives the target information sent by the network side device.
  • the UE determines the second resource (step 22 ) according to the target information through four implementation modes below.
  • the method for the UE to determine the second resource according to the target information may include the following step 201 (or step 202 and step 203, or step 202 and step 204).
  • step 201 the UE determines the resources pre-configured by the network side device as the second resources.
  • Step 202 the network side device sends a second message to the UE.
  • Step 203 the UE receives the second message sent by the network side device, and if the second message includes configuration information, determines the third resource included in the configuration information as the second resource.
  • Step 204 the UE receives the second message sent by the network side device, and determines the fourth resource as the second resource when the second message does not include configuration information and the second message indicates that the UE is allowed to perform LBT resource reselection.
  • the above fourth resource is a resource that does not trigger continuous LBT failure.
  • resources that do not trigger continuous LBT failures may be understood as: resources that trigger LBT failures with low frequency, or resources that have not yet triggered LBT failures.
  • the UE may determine the resources pre-configured by the network side device as the second resource; in another implementation manner, the UE may determine the resources currently configured by the network side device (that is, the third resource ) is determined as the second resource; in yet another implementation manner, the UE may determine resources that do not trigger continuous LBT failures as the second resource according to a message from the network side device indicating that the UE is allowed to perform LBT resource reselection.
  • the UE may determine the resource (pre-)configured by the network side device or the resource independently selected as the second resource, so as to perform the LBT operation on the resource, so as to ensure the communication requirements for data transmission between UEs, Thus, the success rate of UE channel access is improved.
  • the foregoing steps 202 and 203 may be specifically implemented through the following steps 202a to 202d.
  • Step 202a the UE sends a first message to the network side device.
  • Step 202b the network side device receives the first message sent by the UE.
  • the foregoing first message is used to request LBT resource reselection.
  • the foregoing first message includes at least one of the following items: the first resource, and the frequency at which the UE fails to perform LBT on the first resource.
  • the first message includes the first resource; or, the first message includes the frequency at which the UE fails to perform LBT on the first resource; or, the first message includes both the first resource, It also includes the frequency at which the UE fails to perform LBT on the first resource.
  • the frequency at which the UE fails to perform LBT on the first resource may be understood as: the number of times that the UE fails to perform LBT accounts for the total number of times that the UE performs LBT. For example, if the UE performs LBT 10 times on the first resource, and there are 8 LBT failures, the frequency of failure of the UE to perform LBT on the first resource is 0.8.
  • Step 202c the network side device sends the second message to the UE.
  • the foregoing second message includes configuration information.
  • Step 202d the UE receives the second message sent by the network side device, and determines the third resource included in the configuration information as the second resource.
  • the network side device can perform resource reconfiguration on the UE, and the message indicating the reconfiguration carries the third resource, so that the UE performs LBT operation on the third resource, ensuring data transmission between UEs Communication requirements, thereby improving the success rate of UE channel access.
  • the UE can perform resource reconfiguration independently selected or coordinated by network-side devices.
  • the first implementation mode will be described in detail by taking the resource reconfiguration of the UE at the BWP resource level by the cooperative resource of the network side device as an example.
  • Case 1 The network side device configures an active sidelink bandwidth part (active SL BWP) for the UE, and triggers persistent LBT on a resource pool (ie, the first resource) of the active sidelink bandwidth part of the UE
  • a resource pool ie, the first resource
  • the UE autonomously reselects to a resource pool (that is, the second resource) that does not trigger a persistent LBT failure, so as to perform an LBT operation on the resource pool.
  • Case 2 The network side device configures an active sidelink bandwidth part for the UE, and in the case that the UE fails to trigger persistent LBT on all resource pools of the active sidelink bandwidth part (ie, the first resource):
  • the network side device pre-configures the target SL BWP (ie, the second resource) for SL BWP reselection for the UE, then the UE reselects to the target SL BWP to perform LBT operations on the target SL BWP.
  • the target SL BWP ie, the second resource
  • the UE reports information about persistent LBT failure to the network-side device to request LBT resource reselection.
  • the information includes the BWP resource that triggers the persistent LBT failure (ie the first resource) and/or the frequency/frequency at which the UE triggers persistent LBT failure on the BWP resource;
  • the network side device performs SL BWP resource reconfiguration on the UE, and the message indicating SL BWP reconfiguration carries the target SL BWP, then the UE reselects to the target SL BWP to perform LBT operations on the target SL BWP ;
  • the network-side device reconfigures SL BWP resources for the UE, but the message indicating SL BWP reconfiguration does not carry any resources, the UE autonomously reselects to an SL BWP that does not trigger persistent LBT failure, so that the SL Perform LBT operations on BWP.
  • Case 3 The network-side device configures a carrier for the UE, and when the UE fails to trigger persistent LBT on all SL BWPs of the carrier (ie, the first resource):
  • Uplink Shared Channel UL-SCH
  • CE LBT failure MAC control element
  • subheader subheader
  • the UE If there are not enough UL-SCH resources for the UE to report the LBT failure MAC CE and its subheader, the UE triggers a Scheduling Request (SR) to report the LBT failure MAC CE.
  • SR Scheduling Request
  • the method for the UE to determine the second resource according to the target information may include the following step 301 or step 302 .
  • Step 301 In the case that the first timer information is pre-configured in the UE, the UE determines the fifth resource as the second resource after the timer reaches the first duration indicated by the first timer information.
  • the fifth resource is any one of the following: resources pre-configured by the network side device, and resources independently selected by the UE.
  • the foregoing first timer information may be timer information preconfigured by the network side device for the UE.
  • the UE may preconfigure the network side device resources determined as the second resources; or, the UE may autonomously reselect resources and determine the autonomously reselected resources as the second resources.
  • Step 302. If the first timer information is not preconfigured in the UE, the UE receives the second timer information sent by the network side device, and after the timer reaches the second duration indicated by the second timer information, set the second timer information to the second timer information. Six resources are identified as the second resource.
  • the sixth resource is any one of the following: resources pre-configured by the network-side device, resources configured by the network-side device through configuration information, and resources independently selected by the UE.
  • the first duration and the second duration may be the same or different.
  • the method for the network side device to configure resources for the UE through configuration information may include: the network side device sends a message to the UE, the message includes configuration information, and the UE receives the message sent by the network side device , and use the resource included in the configuration information as the sixth resource.
  • the UE may receive the second timer information sent by the network side device, so that after the timer reaches the second duration indicated by the second timer information, the UE allocates the resources preconfigured by the network side device Determined as the second resource; or, the UE determines the resource currently configured by the network side device as the second resource; or, the UE may autonomously reselect the resource, and determine the autonomously reselected resource as the second resource.
  • the UE can select an appropriate resource based on the pre-configured timer information or the currently configured timer information to perform the LBT operation on the resource, ensuring the communication requirements for data transmission between UEs, thereby The success rate of UE channel access is improved.
  • step 302 may be specifically implemented through the following steps 302a to 302d.
  • Step 302a the UE sends a third message to the network side device.
  • Step 302b the network side device receives the third message sent by the UE.
  • the above third message is used to indicate that the UE fails to perform LBT on the first resource.
  • the above third message may include a reason why the UE fails to perform LBT on the first resource, for example, a channel is busy, an overheating scenario, and low battery.
  • Step 302c the network side device sends a fourth message to the UE.
  • step 302b the UE receives the fourth message sent by the network side device.
  • the fourth message includes the second timer information.
  • the UE may receive the second timer information configured by the network side equipment, so as to determine the second resource for reselection after the time indicated by the second timer information, so as to ensure the communication of data transmission between UEs requirements, thereby improving the success rate of UE channel access.
  • the resource reselection method provided in the embodiment of the present application further includes the following steps 303 and 304 .
  • Step 303 when the timer does not reach the target duration, the UE stops executing the LBT.
  • Step 304 after the timer reaches the target duration, the UE clears the LBT counter.
  • the aforementioned target duration is the first duration or the second duration.
  • the foregoing LBT counter is used to record the number of times the UE performs LBT.
  • the UE since there may be multiple other UEs preempting resources within the target duration, the UE does not perform LBT within the target duration, and after the target duration, the LBT counter is cleared to re-execute the LBT operation , ensuring the communication requirements for data transmission between UEs, thereby improving the success rate of UE channel access.
  • the UE when the UE triggers a persistent LBT failure in scenarios such as Out of Coverage (OOC), low battery or overheating, the UE can be based on a (pre)configured timer (timer). LBT will not be executed within the time indicated by the timer, and the LBT operation will be re-executed after the timer expires.
  • OOC Out of Coverage
  • timer a timer configured timer
  • the network side device pre-configures a timer (namely the first timer information) for the UE, the UE stops LBT within the duration T0 indicated by the timer, and clears the LBT counter after the timer expires , and then, the UE reselects to the default SL BWP (default SL BWP) pre-configured by the network side device, or the UE autonomously reselects to any SL BWP, so as to use any one of the default SL BWP or the SL BWP
  • the resource pool performs LBT operations.
  • the UE If the network-side device does not pre-configure the timer for the UE, the UE reports to the network-side device that the continuous LBT of the sidelink carrier fails, and can also report the reason for the continuous LBT failure (such as channel busy (Channel Busy)/overheating (Overheating)/Low Power (LowPower), etc.), the UE can receive a timer configured by the network side device (that is, the second counter information), stop the LBT within the duration T1 indicated by the timer, and after the timer expires , clear the LBT counter, and then, the UE reselects to the default SL BWP preconfigured by the network side device, or the UE reselects to the SL BWP configured by the network side device according to the configuration information, or the UE autonomously reselects to any SL On the BWP, perform LBT operations on any resource pool on the SL BWP.
  • the network side device that is, the second counter information
  • the above-mentioned target information includes resource type information
  • the resource type information is used to indicate the first type resource and the second type resource
  • the method for the UE to determine the second resource according to the target information may include the following step 401 .
  • step 401 the UE determines a second type resource as a second resource.
  • the priority of the resource of the first type is higher than that of the resource of the second type.
  • the first type of resource is a dedicated resource, and the second type of resource is a shared resource; or, the first type of resource is an unlicensed spectrum resource, and the second type of resource is a licensed spectrum resource.
  • the UE since the dedicated resources and the unlicensed spectrum resources are relatively difficult to obtain, the UE usually preferentially uses the dedicated resources or the unlicensed spectrum resources.
  • the first resource may be the first type of resource, that is, if the UE fails to perform LBT on the high-priority resource, it may reselect to the low-priority resource, so that the low-priority resource
  • the LBT operation is performed on the network to ensure the communication requirements for data transmission between UEs, thereby improving the success rate of UE channel access.
  • the resource reselection method provided in the embodiment of the present application further includes the following steps 402 to 405.
  • Step 402 the UE sends a fifth message to the network side device.
  • Step 403 the network side device receives the fifth message sent by the UE.
  • the above fifth message is used to indicate that the UE fails to perform LBT on the first type resource or the second type resource.
  • Step 404 the network side device sends resource type information to the UE.
  • Step 405 the UE receives the resource type information sent by the network side device.
  • the network side device since the network side device configures the first type resource and the second type resource for the UE, when the UE fails to perform LBT on the first type resource or the second type resource, it can reselect to the second type resource. resources (that is, resources with low priority), so that the LBT operation is performed on the second-type resources to ensure the communication requirements for data transmission between UEs, thereby improving the success rate of UE channel access.
  • the network side device can configure different types of resources for the UE, such as dedicated resources or shared resources. resources, the UE performs LBT operations on dedicated resources or shared resources.
  • the resource type used for sidelink transmission may also be a licensed spectrum type or an unlicensed spectrum type.
  • the network side device configures a dedicated resource pool and a shared resource pool for the UE, and the UE preferentially uses the dedicated resource pool:
  • the UE fails to trigger persistent LBT on the dedicated resource pool configured by the network side device, the UE reports to the network side device that the execution of LBT on the dedicated resource pool fails, and reselects from the dedicated resource pool to the shared resource pool.
  • the UE fails to trigger persistent LBT on the shared resource pool configured by the network-side device, the UE reports to the network-side device that it fails to perform LBT on the shared resource pool.
  • the network side device configures the unlicensed spectrum resource pool and the licensed spectrum resource pool for the UE, and the UE preferentially uses the unlicensed spectrum resource pool:
  • the UE fails to trigger continuous LBT on the unlicensed spectrum resource pool configured by the network side device, the UE reports to the network side device that it fails to perform LBT on the unlicensed spectrum resource pool, and reselects from the unlicensed spectrum resource pool To the authorized spectrum resource pool.
  • the UE fails to trigger continuous LBT on the authorized spectrum resource pool configured by the network side device, the UE reports to the network side device that it fails to perform LBT on the authorized spectrum resource pool.
  • the method for the UE to determine the second resource according to the target information may include the following step 501 or step 502 .
  • Step 501 when the resource granularity reselection probability satisfies a preset condition, the UE determines the seventh resource as the second resource.
  • the above-mentioned seventh resource is a resource that does not trigger continuous LBT failure.
  • the resource granularity reselection probability may be the resource granularity reselection probability corresponding to the first resource.
  • the resource granularity reselection probability meets a preset condition means that the random number related to the resource granularity reselection probability falls within the range of the resource reselection probability.
  • the resource granularity reselection probability is 30%, if the random number falls within [0, 30], the UE needs to reselect resources.
  • resources that do not trigger continuous LBT failures may be understood as: resources that trigger LBT failures with low frequency, or resources that have not yet triggered LBT failures.
  • Step 502 when the resource granularity reselection probability does not meet the preset condition, the UE determines the first resource as the second resource.
  • the resource granularity reselection probability is 30%
  • the UE does not perform resource reselection, and still performs LBT operation on the current resource.
  • the UE can decide whether to reselect resources according to the resource granularity reselection probability, so as to perform LBT operation on the first resource or the reselected resource, so as to ensure the communication requirements for data transmission between UEs, thereby improving The success rate of UE channel access is improved.
  • the network side device can configure for the UE an SL carrier that can transmit on the unlicensed spectrum and multiple SL BWPs on the SL carrier according to the capabilities of the UE, and each SL BWP can be configured with multiple SL resource pools.
  • the network side device can choose whether to (pre)configure BWP reselection probability and/or resource pool reselection probability for UE. According to different resource granularities, UE can perform resource reselection or report persistent LBT failure according to resource reselection probability.
  • the UE can determine whether to perform BWP reselection according to the BWP reselection probability/resource pool reselection probability when triggering persistent LBT fails. Select /resource pool to re-elect. If the BWP reselection probability/resource pool reselection probability is not configured on the network side device, the UE can reselect BWP independently, and the UE will not report the persistent LBT to the network side device until all SL BWPs on the SL carrier trigger persistent LBT failure fail.
  • the fourth implementation manner will be specifically described below by taking the UE at the resource pool resource level as an example.
  • Case 1 The network side device configures an active SL BWP for the UE, and when the UE triggers a consistent LBT failure on a resource pool of the active SL BWP:
  • the network side device configures the resource pool reselection probability based on each resource pool (for per resource pool) for UE (that is, each resource pool corresponds to a resource pool reselection probability) or based on all resource pools (for all The resource pool reselection probability of resource pool) (that is, all resource pools correspond to a resource pool reselection probability);
  • the UE decides to reselect the resource pool based on this probability, and the UE can reselect to other resource pools under the active SL BWP that have not triggered consistent LBT failure to perform LBT operations on the resource pool;
  • B) UE does not perform resource pool reselection according to this probability, and still performs LBT operations on the current resource pool.
  • the UE autonomously reselects to other resource pools under the active SL BWP that have not triggered consistent LBT failure to perform LBT operations on the resource pool.
  • Case 2 The network side device configures an active SL BWP for the UE, and when the UE triggers consistent LBT failure on all resource pools of the active SL BWP:
  • the network side device configures the BWP reselection probability based on each bandwidth part (for per BWP) or the BWP reselection probability based on all bandwidth parts (for all BWP) for the UE;
  • the UE decides to reselect the SL BWP according to this probability, and the UE can reselect to other SL BWPs under the SL carrier that have not triggered consistent LBT failure to perform LBT operations on the SL BWP;
  • the UE autonomously reselects to other SL BWPs under the SL carrier that have not triggered consistent LBT failure to perform LBT operations on the SL BWP.
  • the resource reselection method provided by the embodiment of this application provides multiple ways to determine reselection resources for different target information, so when the UE fails to trigger LBT based on different resource granularities, an appropriate way can be selected Reselecting resources to perform LBT operations on the resources ensures communication requirements for data transmission between UEs, thereby improving the success rate of UE channel access.
  • the resource reselection method provided in the embodiment of the present application further includes the following steps 601 to 604.
  • Step 601 the network side device sends a sixth message to the UE.
  • Step 602 the UE receives the sixth message sent by the network side device.
  • the sixth message includes sidelink unlicensed spectrum resources.
  • the network side device can configure the unlicensed spectrum resource for LBT detection to the UE in the connected state through the sixth message, so that the UE performs LBT detection on the unlicensed spectrum resource and reports to the network side device LBT test results.
  • the foregoing sixth message may be a system information block (System Information Block, SIB) message.
  • SIB System Information Block
  • the sixth message may carry an LBT detection period, and the UE may perform LBT detection based on the LBT detection period.
  • Step 603 the UE performs LBT detection on the sidelink unlicensed spectrum resource, and sends the LBT detection result to the network side device.
  • Step 604 the network side device receives the LBT detection result sent by the UE.
  • the foregoing LBT detection result may assist the UE to perform autonomous resource selection on the sidelink unlicensed spectrum.
  • the foregoing LBT detection result may be that the UE successfully performs LBT on a certain resource, or that the UE fails to perform LBT on a certain resource.
  • step 601 to step 604 provided in the embodiment of the present application can be performed without performing the above steps 21 to 23.
  • the network side device when the UE has no communication needs, can configure unlicensed spectrum resources for the UE, so that the UE performs LBT detection on the unlicensed spectrum resources, and sends the LBT detection result to the network side device;
  • the network side device indicates idle resources to the UE, thereby assisting the UE to select appropriate resources.
  • the execution subject may also be a resource reselection device, or a control module in the resource reselection device for executing the resource reselection method.
  • FIG. 4 shows a possible structural diagram of a resource reselection apparatus involved in the embodiment of the present application.
  • the resource reselection device 40 may include: a determination module 41 and an execution module 42 .
  • the determining module 41 is configured to determine the second resource according to the target information when the UE fails to perform LBT on the first resource.
  • An execution module 42 configured to execute LBT on the second resource.
  • the target information includes at least one of the following: resources configured by the network side device, timer information, resource type information, resource granularity reselection probability, and the timer information is used to indicate the duration of stopping the execution of LBT.
  • the determination module 41 is specifically configured to determine the resources preconfigured by the network side device as the second resource; or, the determination module 41 41. Specifically, it is used to receive a second message sent by the network side device, and if the second message includes configuration information, determine the third resource included in the configuration information as the second resource, and the configuration information is not included in the second message information and the second message indicates that the UE is allowed to perform LBT resource reselection, determine the fourth resource as the second resource, and the fourth resource is a resource that does not trigger continuous LBT failure.
  • the determination module 41 is specifically configured to send a first message to the network side device, where the first message is used to request LBT resource reselection; and receive a second message sent by the network side device, the The second message includes configuration information.
  • the foregoing first message includes at least one of the following items: the first resource, and a frequency at which the UE fails to perform LBT on the first resource.
  • the determination module 41 is specifically configured to, when the first timer information is pre-configured in the UE, when the timer reaches the first timing After the first duration indicated by the device information, determine the fifth resource as the second resource, and the fifth resource is any of the following: resources pre-configured by the network side device, resources independently selected by the UE; or, the above-mentioned determination module 41, It is specifically used to receive the second timer information sent by the network side device when the first timer information is not preconfigured in the UE, and after the timer reaches the second duration indicated by the second timer information, set the sixth The resource is determined as the second resource, and the sixth resource is any one of the following: resources preconfigured by the network side device, resources configured by the network side device through configuration information, and resources independently selected by the UE.
  • the determination module 41 is specifically configured to send a third message to the network side device, where the third message is used to indicate that the UE failed to perform LBT on the first resource; and receive the message sent by the network side device A fourth message, where the fourth message includes the second timer information.
  • the resource reselection device 40 further includes: a clearing module.
  • the execution module 42 is further configured to stop executing the LBT when the timer has not reached the target duration.
  • the clearing module is configured to clear the LBT counter after the timer reaches a target duration, and the target duration is the first duration or the second duration.
  • the above target information includes resource type information, where the resource type information is used to indicate the first type resource and the second type resource.
  • the above determining module 41 is specifically configured to determine the second type resource as the second resource, and the priority of the first type resource is higher than that of the second type resource.
  • the resource reselection device 40 further includes: a sending module and a receiving module.
  • a sending module configured to send a fifth message to the network side device before determining the second type resource as the second resource, where the fifth message is used to indicate that the UE fails to perform LBT on the first type resource or the second type resource.
  • the receiving module is configured to receive resource type information sent by the network side device.
  • the first type resource is a dedicated resource
  • the second type resource is a shared resource
  • the first type resource is an unlicensed spectrum resource
  • the second type resource is a licensed spectrum resource
  • the determination module 41 is specifically configured to determine the seventh resource as The second resource, the seventh resource is a resource that does not trigger continuous LBT failure; or, the above determination module 41 is specifically configured to determine the first resource as the second resource when the resource granularity reselection probability does not meet the preset condition. resource.
  • the resource reselection device 40 further includes: a receiving module and a sending module.
  • the receiving module is configured to receive the sixth message sent by the network side device, where the sixth message includes sidelink unlicensed spectrum resources.
  • the above execution module 42 is also configured to perform LBT detection on the sidelink unlicensed spectrum resources.
  • the sending module is configured to send the LBT detection result to the network side device.
  • the embodiment of the present application provides a resource reselection device.
  • the resource reselection device can reselect an appropriate resource (that is, the second resource) according to the target information. ), to perform LBT operation on this resource, and, for different target information, a variety of ways to determine reselection resources are given, which ensures the communication requirements for data transmission between UEs, thereby improving the channel access Success rate.
  • the resource reselection device in this embodiment of the present application may be a device, a device with an operating system or a UE, or a component, an integrated circuit, or a chip in the UE.
  • the apparatus or UE may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include but not limited to the types of UE 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (Personal Computer, PC), a television ( Television, TV), teller machines or self-service machines, etc., are not specifically limited in this embodiment of the present application.
  • the resource reselection device provided by the embodiment of the present application can implement each process implemented by the UE in the above method embodiment, and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • Fig. 5 shows a possible structural diagram of the resource reselection apparatus involved in the embodiment of the present application.
  • the resource reselection device 50 may include: a determining module 51 and a sending module 52 .
  • the determining module 51 is used for acquiring target information.
  • the sending module 52 is configured to send target information to the UE, the target information is used for the UE to reselect resources for performing LBT, and the target information includes at least one of the following: resources configured by the network side device, timer information, resource type information, resource Granularity reselection probability, the timer information is used to indicate the duration of stopping the execution of LBT.
  • the sending module 52 is specifically configured to send the second message to the UE.
  • the second message includes configuration information, and the configuration information includes the third resource; or, the second message does not include configuration information, and the second message indicates that the UE is allowed to perform LBT resource reselection.
  • the above-mentioned sending module 52 is specifically configured to receive a first message sent by the UE, the first message is used to request LBT resource reselection; and send a second message to the UE, in the second message Includes configuration information.
  • the foregoing first message includes at least one of the following items: the first resource, and a frequency at which the UE fails to perform LBT on the first resource.
  • the above-mentioned sending module 52 is specifically configured to send second timer information to the UE, and the second timer information is used for the UE when the timer arrives After the second duration indicated by the second timer information, the sixth resource is determined as the resource for UE reselection to perform LBT, and the sixth resource is any of the following: resources pre-configured by the network side device, configuration information passed by the network side device Configured resources and resources independently selected by the UE.
  • the above-mentioned sending module 52 is specifically configured to receive a third message sent by the UE, where the third message is used to indicate that the UE failed to perform LBT on the first resource; and send a fourth message to the UE,
  • the fourth message includes second timer information.
  • the above target information includes resource type information, where the resource type information is used to indicate a first type resource and a second type resource, and the priority of the first type resource is higher than the priority of the second type resource .
  • the above sending module 52 is specifically configured to receive a fifth message sent by the UE, where the fifth message is used to indicate that the UE failed to perform LBT on the first type resource or the second type resource; and send resource type information to the UE.
  • the first type resource is a dedicated resource
  • the second type resource is a shared resource
  • the first type resource is an unlicensed spectrum resource
  • the second type resource is a licensed spectrum resource
  • the resource reselection apparatus 50 further includes: a receiving module.
  • the above-mentioned sending module 52 is configured to send a sixth message to the UE, where the sixth message includes sidelink unlicensed spectrum resources.
  • the receiving module is further configured to receive the LBT detection result sent by the UE, where the LBT detection result is the result of the UE performing the LBT detection on the sidelink unlicensed spectrum resource.
  • An embodiment of the present application provides a resource reselection device.
  • the resource reselection device can send target information to the UE, so that the UE reselects an appropriate resource (ie, the second resource) according to the target information to perform an LBT operation on the resource.
  • an appropriate resource ie, the second resource
  • multiple ways of determining reselection resources are given, which ensures the communication requirements for data transmission between UEs, thereby improving the success rate of channel access.
  • the resource reselection device in the embodiment of the present application may be a device or a network side device, or may be a component, an integrated circuit, or a chip in the network side device.
  • the resource reselection device provided in the embodiment of the present application can implement various processes implemented by the network side device in the above method embodiment, 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 600, including a processor 601, a memory 602, and programs or instructions stored in the memory 602 and operable on the processor 601,
  • a communication device 600 including a processor 601, a memory 602, and programs or instructions stored in the memory 602 and operable on the processor 601
  • the communication device 600 is a UE
  • the program or instruction is executed by the processor 601
  • various processes on the UE side of the foregoing method embodiments can be implemented, and the same technical effect can be achieved.
  • the communication device 600 is a network-side device
  • the program or instruction is executed by the processor 601
  • various processes of the network-side device in the foregoing method embodiments can be achieved, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a UE, including a processor and a communication interface, the processor is used to determine the second resource according to the target information when the UE fails to perform LBT on the first resource; and perform LBT on the second resource .
  • the target information includes at least one of the following: resources configured by the network side device, timer information, resource type information, resource granularity reselection probability, and the timer information is used to indicate the duration of stopping the execution of LBT.
  • This UE embodiment corresponds to the UE side method embodiment above, and each implementation process and implementation manner of the above method embodiment can be applied to this UE embodiment, and can achieve the same technical effect.
  • FIG. 7 is a schematic diagram of a hardware structure of a UE implementing an embodiment of the present application.
  • the UE 100 includes but is not limited to: a radio frequency unit 101, a network module 102, an audio output unit 103, an input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, and a processor 110, etc. at least some of the components.
  • the UE 100 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 110 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 UE structure shown in FIG. 7 does not limit the UE, and the UE may include more or fewer components than shown in the figure, or combine certain components, or arrange different components, which will not be repeated here.
  • the input unit 104 may include a graphics processing unit (Graphics Processing Unit, GPU) 1041 and a microphone 1042, and the graphics processing unit 1041 is used by the image capturing device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 107 includes a touch panel 1071 and other input devices 1072 .
  • the touch panel 1071 is also called a touch screen.
  • the touch panel 1071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 1072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 101 receives the downlink data from the network side device, and processes it to the processor 110; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 101 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 109 can be used to store software programs or instructions as well as various data.
  • the memory 109 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 109 may include a high-speed random access memory, and may also include a nonvolatile memory, wherein the nonvolatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device.
  • the processor 110 may include one or more processing units; optionally, the processor 110 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 110 .
  • the processor 110 is configured to determine a second resource according to target information when the UE fails to perform LBT on the first resource; and perform LBT on the second resource.
  • the target information includes at least one of the following: resources configured by the network side device, timer information, resource type information, resource granularity reselection probability, and the timer information is used to indicate the duration of stopping the execution of LBT.
  • An embodiment of the present application provides a UE.
  • the UE fails to perform LBT when it tries to obtain transmission resources on unlicensed spectrum resources, the UE can reselect an appropriate resource (that is, the second resource) according to the target information, and use the resource
  • an appropriate resource that is, the second resource
  • multiple ways to determine reselection resources are given, which ensures the communication requirements for data transmission between UEs, thereby improving the success rate of UE channel access.
  • the processor 110 when the target information includes resources configured by the network side device, the processor 110 is specifically configured to determine the resource preconfigured by the network side device as the second resource; or, the processor 110 is specifically configured to receive the resource configured by the network side device.
  • the second message sent by the side device if the second message includes configuration information, the third resource included in the configuration information is determined as the second resource, the second message does not include the configuration information, and the second message indicates
  • the fourth resource is determined as the second resource, and the fourth resource is a resource that does not trigger continuous LBT failure.
  • the processor 110 is specifically configured to send a first message to the network side device, where the first message is used to request LBT resource reselection; and receive a second message sent by the network side device, where the second message includes configuration information.
  • the processor 110 is specifically configured to: when the first timer information is pre-configured in the UE, when the timer reaches the first timer indicated by the first timer information, After a period of time, determine the fifth resource as the second resource, and the fifth resource is any of the following: resources pre-configured by the network side device, resources independently selected by the UE; or, the processor 110 is specifically used to In the case of pre-configuring the first timer information, receiving the second timer information sent by the network side device, and determining the sixth resource as the second resource after the timer reaches the second duration indicated by the second timer information,
  • the sixth resource is any one of the following: resources preconfigured by the network side device, resources configured by the network side device through configuration information, and resources independently selected by the UE.
  • the processor 110 is specifically configured to send a third message to the network side device, where the third message is used to indicate that the UE fails to perform LBT on the first resource; and receive a fourth message sent by the network side device, where the first The second timer information is included in the four messages.
  • the processor 110 is further configured to stop executing the LBT when the timer has not reached the target duration; and clear the LBT counter after the timer reaches the target duration, the target duration being the first duration or the second duration Two hours.
  • the above target information includes resource type information, where the resource type information is used to indicate the first type resource and the second type resource.
  • the processor 110 is specifically configured to determine the second type resource as the second resource, and the priority of the first type resource is higher than the priority of the second type resource.
  • the radio frequency unit 101 is configured to send a fifth message to the network side device before determining the second type resource as the second resource, where the fifth message is used to instruct the UE to use the first type resource or the second type resource Failed to perform LBT; and receive the resource type information sent by the network side device.
  • the processor 110 is specifically configured to determine the seventh resource as the second resource when the resource granularity reselection probability satisfies a preset condition.
  • the seven resources are resources that do not trigger continuous LBT failures; or, the processor 110 is specifically configured to determine the first resource as the second resource when the resource granularity reselection probability does not meet the preset condition.
  • the radio frequency unit 101 is configured to receive a sixth message sent by the network side device, where the sixth message includes sidelink unlicensed spectrum resources.
  • the processor 110 is further configured to perform LBT detection on the sidelink unlicensed spectrum resource.
  • the radio frequency unit 101 is further configured to send the LBT detection result to the network side device.
  • the UE provided in the embodiment of the present application can implement each process implemented in the foregoing method embodiment, and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a network side device, including a processor and a communication interface, where the communication interface is used to send target information to the UE, and the target information is used for the UE to reselect resources for performing LBT.
  • the target information includes at least one of the following: resources configured by the network side device, timer information, resource type information, resource granularity reselection probability, and the timer information is used to indicate the duration of stopping the execution of LBT.
  • the network-side device embodiment corresponds to the above-mentioned network-side device method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a network side device.
  • the network side device 800 includes: an antenna 81 , a radio frequency device 82 , and a baseband device 83 .
  • the antenna 81 is connected to a radio frequency device 82 .
  • the radio frequency device 82 receives information through the antenna 81, and sends the received information to the baseband device 83 for processing.
  • the baseband device 83 processes the information to be sent and sends it to the radio frequency device 82
  • the radio frequency device 82 processes the received information and sends it out through the antenna 81 .
  • the radio frequency device 82 is configured to send target information to the UE, and the target information is used for the UE to reselect resources for performing LBT.
  • the target information includes at least one of the following: resources configured by the network side device, timer information, resource type information, resource granularity reselection probability, and the timer information is used to indicate the duration of stopping the execution of LBT.
  • An embodiment of the present application provides a network-side device, which can send target information to the UE, so that the UE reselects an appropriate resource (that is, the second resource) according to the target information, so as to perform an LBT operation on the resource, and , for different target information, a variety of ways to determine reselection resources are given, which ensures the communication requirements for data transmission between UEs, thereby improving the success rate of channel access.
  • the network-side device provided in the embodiment of the present application can realize each process realized in the above method embodiment, and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the foregoing frequency band processing device may be located in the baseband device 83 , and the method performed by the network side device in the above embodiments may be implemented in the baseband device 83 , and the baseband device 83 includes a processor 84 and a memory 85 .
  • Baseband device 83 for example can comprise at least one baseband board, and this baseband board is provided with a plurality of chips, as shown in Fig. The operation of the network side device shown in the above method embodiments.
  • the baseband device 83 may also include a network interface 86 for exchanging information with the radio frequency device 82, and the interface is, for example, a Common Public Radio Interface (CPRI).
  • CPRI Common Public Radio Interface
  • the network-side device in the embodiment of the present invention also includes: instructions or programs stored in the memory 85 and operable on the processor 84, and the processor 84 invokes the instructions or programs in the memory 85 to execute the methods performed by the above-mentioned modules , and achieve the same technical effect, in order to avoid repetition, it is not repeated here.
  • the embodiment of the present application also provides a readable storage medium, the readable storage medium stores a program or an instruction, and when the program or instruction is executed by a processor, each process of the above resource reselection method embodiment is implemented, and can achieve The same technical effects are not repeated here to avoid repetition.
  • the processor is the processor in the UE 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. It should be noted that the readable storage medium may be non-volatile or volatile, and in addition, the readable storage medium may be non-transitory.
  • the embodiment of the present application further 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 embodiment of the resource reselection method Each process, and can achieve the same technical effect, in order to avoid repetition, will not repeat them here.
  • 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 embodiment of the present application further provides a computer program/program product, the computer program/program product is stored in a non-transitory readable storage medium, and the program/program product is executed by at least one processor to realize the above-mentioned
  • the embodiment of the resource reselection method can achieve the same technical effect, so in order to avoid repetition, details are not repeated here.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, 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 certain examples may be combined in other examples.
  • 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 enable a terminal (which may be a mobile phone, computer, server, air conditioner, or network-side device, etc.) to execute the methods described in various embodiments of the present application.

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Abstract

本申请公开了一种资源重选方法、装置、通信设备、存储介质及系统。资源重选方法包括：在UE在第一资源上执行LBT失败的情况下，根据目标信息确定第二资源；在第二资源上执行LBT。其中，该目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，该计时器信息用于指示停止执行LBT的时长。

Description

资源重选方法、装置、通信设备、存储介质及系统
相关申请的交叉引用
本申请主张在2021年9月16日在中国提交的中国专利申请号No.202111089098.9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方法、装置、通信设备、存储介质及系统。
背景技术
通常，在用户设备(User Equipment，UE)与网络侧设备进行通信的过程中，网络侧设备可以为UE抢占非授权频谱资源，UE可以通过该非授权频谱资源，在一个信道占用时间(Channel Occupancy Time，COT)内根据不同的信道接入模式与网络侧设备进行数据传输，从而实现UE与网络侧设备之间的通信。
然而，网络侧设备抢占的非授权频谱资源仅可以用于网络侧设备与UE之间的通信，而在其他通信情况下，会导致UE信道接入的成功率较低。
发明内容
本申请实施例提供一种资源重选方法、装置、通信设备、存储介质及系统，能够解决UE信道接入的成功率较低的问题。
第一方面，提供了一种资源重选方法，该资源重选方法包括：在UE在第一资源上执行LBT失败的情况下，UE根据目标信息确定第二资源；UE在第二资源上执行LBT。其中，该目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，该计时器信息用于指示停止执行LBT的时长。
第二方面，提供了一种资源重选方法，该资源重选方法包括：网络侧设备向UE发送目标信息，该目标信息用于UE重选执行LBT的资源。其中，该目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，该计时器信息用于指示停止执行LBT的时长。
第三方面，提供了一种资源重选装置，该资源重选装置包括：确定模块和执行模块。其中，确定模块，用于在UE在第一资源上执行LBT失败的情况下，根据目标信息确定第二资源。执行模块，用于在第二资源上执行LBT。其中，目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，该计时器信息用于指示停止执行LBT的时长。
第四方面，提供了一种资源重选装置，该资源重选装置包括：发送模块。发送模块，用于向UE发送目标信息，该目标信息用于UE重选执行LBT的资源，该目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，该计时器信息用于指示停止执行LBT的时长。
第五方面，提供了一种UE，该UE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第一方面所述的方法的步骤。
第六方面，提供了一种网络侧设备，该网络侧设备包括处理器、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第二方面所述的方法的步骤。
第七方面，提供了一种UE，包括处理器及通信接口，其中，所述处理器用于在UE在 第一资源上执行LBT失败的情况下，根据目标信息确定第二资源；并在第二资源上执行LBT。其中，该目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，该计时器信息用于指示停止执行LBT的时长。
第八方面，提供了一种网络侧设备，包括处理器及通信接口，其中，所述通信接口用于向UE发送目标信息，该目标信息用于UE重选执行LBT的资源。其中，该目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，该计时器信息用于指示停止执行LBT的时长。
第九方面，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第一方面所述的方法的步骤，或者实现如第二方面所述的方法的步骤。
第十方面，提供了一种通信系统，所述通信系统包括如第三方面所述的资源重选装置以及如第四方面所述的资源重选装置；或者，所述通信系统包括如第五方面所述的UE以及如第六方面所述的网络侧设备；或者，所述通信系统包括如第七方面所述的UE以及如第八方面所述的网络侧设备。
第十一方面，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，实现如第一方面所述的方法，或者实现如第二方面所述的方法。
第十二方面，提供了一种计算机程序/程序产品，所述计算机程序/程序产品被存储在非瞬态的可读存储介质中，所述程序/程序产品被至少一个处理器执行以实现如第一方面所述的资源重选方法的步骤，或者实现如第二方面所述的资源重选方法的步骤。
在本申请实施例中，在UE在第一资源上执行LBT失败的情况下，UE可以根据目标信息确定第二资源，以在第二资源上执行LBT，该目标信息可以包括以下至少一项：网络侧设备配置的资源、指示停止执行LBT的时长的计时器信息、资源类型信息、资源粒度重选概率。本方案中，在UE在非授权频谱资源上尝试获取传输资源时执行LBT失败的情况下，UE可以根据目标信息重选合适的资源(即第二资源)，以在该资源上执行LBT操作，并且，对于不同的目标信息，给出了确定重选资源的多种方式，保证了UE之间进行数据传输的通信需求，从而提高了UE信道接入的成功率。
附图说明
图1是本申请实施例提供的一种通信系统的架构示意图；
图2是本申请实施例提供的一种资源重选方法的流程图之一；
图3是本申请实施例提供的一种资源重选方法的流程图之二；
图4是本申请实施例提供的一种资源重选装置的结构示意图之一；
图5是本申请实施例提供的一种资源重选装置的结构示意图之二；
图6是本申请实施例提供的一种通信设备的硬件结构示意图；
图7是本申请实施例提供的一种UE的硬件结构示意图；
图8是本申请实施例提供的一种网络侧设备的硬件结构示意图。
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，而不用于描述特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/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。
值得指出的是，本申请实施例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，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新空口(New Radio，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(6th Generation，6G)通信系统。
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)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)、可穿戴式设备(Wearable Device)或车载设备(VUE)、行人终端(PUE)等终端侧设备，可穿戴式设备包括：智能手表、手环、耳机、眼镜等。需要说明的是，在本申请实施例并不限定终端11的具体类型。网络侧设备12可以是基站或核心网，其中，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、演进型B节点(eNB)、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)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，但是并不限定基站的具体类型。
下面对本申请实施例提供的资源重选方法、装置、通信设备、存储介质及系统中涉及的一些概念和/或术语做一下解释说明。
1、工作于非授权频谱的新空口(New Radio in Unlicensed Spectrum，NR-U)
在通信协议中，无线资源控制(Radio Resource Control，RRC)为媒体接入控制层(Media Access Control，MAC)实体配置一个持续性先听后说(Listen Before Talk，LBT)失败恢复程序(consistent LBT failure recovery procedure)，若传输前执行了LBT检测，且检测到信道繁忙，则低层给MAC实体发送一个LBT失败指示(LBT failure indication)。
持续性LBT失败是基于每个BWP(for per UL BWP)的，由所有从低层到MAC实体的上行(Uplink，UL)传输的持续性LBT失败计数而产生。UE用于LBT失败计数的参数为LBT_COUNTER(基于每个服务小区(for per Serving Cell))。RRC在lbt-FailureRecoveryConfig为持续性LBT失败检测(consistent LBT failure detection)配置两个参数，即lbt-FailureInstanceMaxCount和lbt-FailureDetectionTimer。每当MAC实体收到一个低层的LBT failure indication，LBT_COUNTER计数加一。当LBT_COUNTER>＝lbt-FailureInstanceMaxCount时，对服务小区的激活态上行带宽部分(active UL BWP)触发consistent LBT failure，然后，在服务小区的同载波上从该active UL BWP切换到另一个配置了物理随机接入信道(Physical Random Access Channel，PRACH)occasion，并且还未触发consistent LBT failure的UL BWP，在该UL BWP继续执行LBT。若服务小区的所有UL BWPs都触发了consistent LBT failure，则向高层指示consistent LBT failure。
在通信协议中，eNB/gNB可以根据nodeB自身下行(Downlink，DL)信道接入，或UE根据UL信道接入发起信道占用共享(channel occupancy sharing)。eNB/gNB/UE可以通过信道接入优先级(Channel Access Priority Class，CAPC)(如表1所示)确定一个最大的COT。对于信道接入优先级p＝3和p＝4,若从长期来看能保证没有其它无线接入技术 (Radio Access Technology，RAT)共享此信道(如相关协议限制)，T m cot，p＝10ms；否则,T m  cot，p＝8ms。
表1信道接入优先级
p m p cw min，p cw max，p T m cot，p allowed cw psizes
1 1 3 7 2ms {3,7}
2 1 7 15 3ms {7,15}
3 3 15 63 8或10ms {15,31,63}
4 7 15 1023 8或10ms {15,31,63,17,255,511,1023}
下面结合附图，通过一些实施例及其应用场景对本申请实施例提供的资源重选方法进行详细地说明。
通常，在UE与网络侧设备进行通信的过程中，网络侧设备可以为UE抢占非授权频谱资源，UE可以通过该非授权频谱资源，在一个信道占用时间内根据不同的信道接入模式与网络侧设备进行数据传输，从而实现UE与网络侧设备之间的通信。
然而，网络侧设备抢占的非授权频谱资源仅可以用于网络侧设备与UE之间的通信，UE之间无法采用网络侧设备抢占的非授权频谱资源进行通信，导致UE在非授权频谱上尝试获取传输资源时存在持续性LBT失败的情况，从而导致UE信道接入的成功率较低。
为了解决上述技术问题，本申请实施例中，在UE在第一资源上执行LBT失败的情况下，UE可以根据目标信息确定第二资源，以在第二资源上执行LBT。其中，该目标信息包括以下至少一项：网络侧设备配置的资源、指示停止执行LBT的时长的计时器信息、资源类型信息、资源粒度重选概率。通过本方案，在UE在非授权频谱资源上尝试获取传输资源时执行LBT失败的情况下，UE可以根据目标信息重选合适的资源(即第二资源)，以在该资源上执行LBT操作，并且，对于不同的目标信息，给出了确定重选资源的多种方式，保证了UE之间进行数据传输的通信需求，从而提高了UE信道接入的成功率。
需要说明的是，在非授权频谱上，UE可以基于不同的资源选择颗粒度进行资源选择，例如，基于载波(carrier)进行资源选择、或者基于带宽部分(Bandwidth Part，BWP)进行资源选择、或者基于资源池(resource pool)进行资源选择。UE根据自己的终端能力，可以支持其在非授权频谱上的一个或多个载波上进行旁链路(Sidelink，SL)传输。进一步地，一个载波可以包含一个或多个带宽部分，且一个带宽部分可以包含一个或多个资源池。
本申请实施例提供一种资源重选方法，图2示出了本申请实施例提供的一种资源重选方法的流程图。如图2所示，本申请实施例提供的资源重选方法可以包括下述的步骤21至步骤23。
步骤21、在UE在第一资源上执行LBT失败的情况下，UE获取目标信息。
其中，上述目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，该计时器信息用于指示停止执行LBT的时长。
步骤22、UE根据目标信息确定第二资源。
步骤23、UE在第二资源上执行LBT。
可选地，本申请实施例中，上述目标信息可以由以下任一项确定：协议约定、网络侧设备预配置、网络侧设备配置、其他用户设备指示、UE自主决定。
可选地，本申请实施例中，结合图2，如图3所示，上述步骤21具体可以通过下述的步骤21a和步骤21b实现。
步骤21a、网络侧设备向UE发送目标信息。
步骤21b、UE接收网络侧设备发送的目标信息。
下面通过四种实施方式对本申请实施例提供的资源重选方法中，UE根据目标信息确定第二资源(步骤22)的方法进行说明。
在第一种实施方式中，在上述目标信息包括网络侧设备配置的资源的情况下，UE根据目标信息确定第二资源的方法可以包括下述的步骤201(或者步骤202和步骤203，或者步骤202和步骤204)。
步骤201、UE将网络侧设备预配置的资源确定为第二资源。
步骤202、网络侧设备向UE发送第二消息。
步骤203、UE接收网络侧设备发送的第二消息，在第二消息中包括配置信息的情况下，将配置信息中包括的第三资源确定为第二资源。
步骤204、UE接收网络侧设备发送的第二消息，在第二消息中未包括配置信息、且第二消息指示允许UE执行LBT资源重选的情况下，将第四资源确定为第二资源。
本申请实施例中，上述第四资源为未触发连续LBT失败的资源。
需要说明的是，未触发连续LBT失败的资源可以理解为：触发LBT失败的频率较低的资源，或者，尚未触发LBT失败的资源。
本申请实施例中，一种实现方式中，UE可以将网络侧设备预配置的资源确定为第二资源；另一种实现方式中，UE可以将网络侧设备当前配置的资源(即第三资源)确定为第二资源；又一种实现方式中，UE可以根据网络侧设备指示允许UE执行LBT资源重选的消息，将未触发连续LBT失败的资源确定为第二资源。
本申请实施例中，UE可以将网络侧设备(预)配置的资源或者自主选择的资源确定为第二资源，以在该资源上执行LBT操作，保证了UE之间进行数据传输的通信需求，从而提高了UE信道接入的成功率。
可选地，本申请实施例中，上述步骤202和步骤203具体可以通过下述的步骤202a至202d实现。
步骤202a、UE向网络侧设备发送第一消息。
步骤202b、网络侧设备接收UE发送的第一消息。
本申请实施例中，上述第一消息用于请求LBT资源重选。
可选地，本申请实施例中，上述第一消息中包括以下至少一项：第一资源、UE在第一资源上执行LBT失败的频率。
可选地，本申请实施例中，第一消息中包括第一资源；或者，第一消息中包括UE在第一资源上执行LBT失败的频率；或者，第一消息中既包括第一资源，又包括UE在第一资源上执行LBT失败的频率。
需要说明的是，UE在第一资源上执行LBT失败的频率可以理解为：UE执行LBT失败的次数占UE执行LBT的总次数的比重。例如，若UE在第一资源上执行10次LBT，其中存在8次LBT失败，则UE在第一资源上执行LBT失败的频率为0.8。
可以理解，UE在第一资源上执行LBT失败的频率越高，说明第一资源不可用，需要重选合适的资源。
步骤202c、网络侧设备向UE发送第二消息。
本申请实施例中，上述第二消息中包括配置信息。
步骤202d、UE接收网络侧设备发送的第二消息，并将配置信息中包括的第三资源确定为第二资源。
本申请实施例中，网络侧设备可以对UE进行资源重配，且指示重配的消息中携带第三资源，以使得UE在该第三资源上执行LBT操作，保证了UE之间进行数据传输的通信需求，从而提高了UE信道接入的成功率。
在此实施方式中中，基于不同的资源颗粒度，当UE在不同的资源层级上执行LBT失败时，UE可以分别执行自主选择的，或者网络侧设备协作的资源重配。下面以UE在BWP资源级别由网络侧设备协作资源重配为例，对第一种实施方式进行具体说明。
情况一、网络侧设备为UE配置了一个激活态旁链路带宽部分(active SL BWP)，在UE在该激活态旁链路带宽部分的一个资源池(即第一资源)上触发持续性LBT失败(consistent LBT failure)的情况下，UE自主重选至一个未触发持续性LBT失败的资源池(即第二资源)上，以在该资源池上执行LBT操作。
情况二、网络侧设备为UE配置了一个激活态旁链路带宽部分,在UE在该激活态旁链路带宽部分(即第一资源)的所有资源池上触发持续性LBT失败的情况下：
1)若网络侧设备为UE预配置了SL BWP重选的目标SL BWP(即第二资源)，则UE重选至该目标SL BWP上，以在该目标SL BWP上执行LBT操作。
2)若网络侧设备未为UE预配置任何SL BWP，则UE向网络侧设备上报持续性LBT失败的相关信息，以请求LBT资源重选，该信息包含触发持续性LBT失败的BWP资源(即第一资源)和/或UE在该BWP资源上触发持续性LBT失败的频率/频次；
A)若网络侧设备对UE进行SL BWP资源重配，且指示SL BWP重配的消息中携带目标SL BWP，则UE重选至该目标SL BWP上，以在该目标SL BWP上执行LBT操作；
B)若网络侧设备对UE进行SL BWP资源重配，但指示SL BWP重配的消息中未携带任何资源，则UE自主重选至一个未触发持续性LBT失败的SL BWP，以在该SL BWP上执行LBT操作。
情况三、网络侧设备为UE配置了一个载波,在UE在该载波(即第一资源)的所有SL BWP上触发持续性LBT失败的情况下：
1)若有足够的上行共享传输信道(Uplink Shared Channel，UL-SCH)资源用于UE上报LBT失败MAC控制单元(Control Element，CE)及其子头部(subheader)，则UE产生LBT failure MAC CE并向网络侧设备上报；
2)若没有足够的UL-SCH资源用于UE上报LBT failure MAC CE及其subheader，则UE触发一个调度请求(Scheduling Request，SR)，以上报LBT failure MAC CE。
在第二种实施方式中，在上述目标信息包括计时器信息的情况下，UE根据目标信息确定第二资源的方法可以包括下述的步骤301或步骤302。
步骤301、在UE中预配置了第一计时器信息的情况下，UE在计时器到达第一计时器信息指示的第一时长后，将第五资源确定为第二资源。
本申请实施例中，上述第五资源为以下任一项：网络侧设备预配置的资源、UE自主选择的资源。
可选地，本申请实施例中，上述第一计时器信息可以为网络侧设备为UE预配置的计时器信息。
可选地，本申请实施例中，若网络侧设备为UE预配置了第一计时器信息，则在计时器到达第一计时器信息指示的第一时长后，UE可以将网络侧设备预配置的资源确定为第二资源；或者，UE可以自主重选资源，并将自主重选的资源确定为第二资源。
步骤302、在UE中未预配置第一计时器信息的情况下，UE接收网络侧设备发送的第二计时器信息，并在计时器到达第二计时器信息指示的第二时长后，将第六资源确定为第二资源。
本申请实施例中，上述第六资源为以下任一项：网络侧设备预配置的资源、网络侧设备通过配置信息配置的资源、UE自主选择的资源。
可选地，本申请实施例中，第一时长和第二时长可以相同，也可以不同。
可选地，本申请实施例中，网络侧设备通过配置信息为UE配置资源的方法可以包括：网络侧设备向UE发送一个消息，该消息中包括配置信息，UE接收网络侧设备发送的该消息，并将配置信息中包括的资源作为第六资源。
可选地，本申请实施例中，UE可以接收网络侧设备发送的第二计时器信息，以在计时器到达第二计时器信息指示的第二时长后，UE将网络侧设备预配置的资源确定为第二资源；或者，UE将网络侧设备当前配置的资源确定为第二资源；或者，UE可以自主重选资源，并将自主重选的资源确定为第二资源。
本申请实施例中，UE可以基于预配置的计时器信息或当前配置的计时器信息，选择合适的资源，以在该资源上执行LBT操作，保证了UE之间进行数据传输的通信需求，从而提高了UE信道接入的成功率。
可选地，本申请实施例中，上述步骤302具体可以通过下述的步骤302a至步骤302d实现。
步骤302a、UE向网络侧设备发送第三消息。
步骤302b、网络侧设备接收UE发送的第三消息。
本申请实施例中，上述第三消息用于指示UE在第一资源上执行LBT失败。
可选地，本申请实施例中，上述第三消息中可以包括UE在第一资源上执行LBT失败的原因，例如，信道繁忙、过热场景和低电量等。
步骤302c、网络侧设备向UE发送第四消息。
步骤302b、UE接收网络侧设备发送的第四消息。
本申请实施例中，上述第四消息中包括第二计时器信息。
本申请实施例中，UE可以接收网络侧设备配置的第二计时器信息，以在第二计时器信息指示的时长之后，确定重选的第二资源，保证了UE之间进行数据传输的通信需求，从而提高了UE信道接入的成功率。
可选地，本申请实施例中，本申请实施例提供的资源重选方法还包括下述的步骤303和步骤304。
步骤303、UE在计时器未到达目标时长的情况下，停止执行LBT。
步骤304、UE在计时器到达目标时长之后，对LBT计数器清零。
本申请实施例中，上述目标时长为第一时长或第二时长。
可选地，本申请实施例中，上述LBT计数器用于记录UE执行LBT的次数。
本申请实施例中，由于在目标时长内，可能存在多个其他UE抢占资源，因此，在目标时长内，UE不执行LBT，而在目标时长之后，对LBT计数器清零，以重新执行LBT操作，保证了UE之间进行数据传输的通信需求，从而提高了UE信道接入的成功率。
在此实施方式中，当UE在覆盖范围外(Out of Coverage，OOC)，低电量或过热等场景触发持续性LBT失败时，UE可以基于一个(预)配置的计时器(timer)，在计时器指示的时长内不执行LBT，在计时器超时之后再重新执行LBT操作。下面以UE在SL carrier资源级别为例，对第二种实施方式进行具体说明。
在UE在SL carrier下的所有SL BWPs都触发了持续性LBT失败的情况下：
1)若网络侧设备为UE预配置了一个计时器(即第一计时器信息)，则UE在该计时器指示的时长T0内停止LBT，并在该计时器超时之后，对LBT计数器清零，然后，UE重选至网络侧设备预配置的缺省SL BWP(default SL BWP)上，或者UE自主重选至任意一个SL BWP上，以在该default SL BWP或该SL BWP上的任意一个resource pool执行LBT操作。
2)若网络侧设备没有为UE预配置计时器，则UE向网络侧设备上报旁链路载波持续性LBT失败，并且还可以上报持续性LBT失败的原因(例如信道繁忙(Channel Busy)/过热(Overheating)/低电量(LowPower)等)，UE可以接收网络侧设备配置的一个计时器(即第二计数器信息)，在该计时器指示的时长T1内停止LBT，并在该计时器超时之后，对LBT计数器清零，然后，UE重选至网络侧设备预配置的default SL BWP上，或者UE重选至网络侧设备根据配置信息配置的SL BWP上，或者UE自主重选至任意一个SL BWP上，以在该SL BWP上的任意一个resource pool执行LBT操作。
在第三种实施方式中，上述目标信息包括资源类型信息，该资源类型信息用于指示第一类型资源和第二类型资源，UE根据目标信息确定第二资源的方法可以包括下述的步骤401。
步骤401、UE将第二类型资源确定为第二资源。
本申请实施例中，第一类型资源的优先级高于第二类型资源的优先级。
可选地，本申请实施例中，第一类型资源为专用资源，第二类型资源为共享资源；或者，第一类型资源为非授权频谱资源，第二类型资源为授权频谱资源。
需要说明的是，由于专用资源和非授权频谱资源相对不容易获取，因此，UE通常优先使用专用资源或非授权频谱资源。
本申请实施例中，第一资源可以为第一类型资源，即UE在高优先级的资源上执行LBT失败的情况下，可以重选至低优先级的资源，以在该低优先级的资源上执行LBT操作，保 证了UE之间进行数据传输的通信需求，从而提高了UE信道接入的成功率。
可选地，本申请实施例中，在上述步骤401之前，本申请实施例提供的资源重选方法还包括下述的步骤402至步骤405。
步骤402、UE向网络侧设备发送第五消息。
步骤403、网络侧设备接收UE发送的第五消息。
本申请实施例中，上述第五消息用于指示UE在第一类型资源或第二类型资源上执行LBT失败。
步骤404、网络侧设备向UE发送资源类型信息。
步骤405、UE接收网络侧设备发送的资源类型信息。
本申请实施例中，由于网络侧设备为UE配置了第一类型资源和第二类型资源，因此，UE在第一类型资源或第二类型资源上执行LBT失败时，可以重选至第二类型资源(即低优先级的资源)，以在该第二类型资源上执行LBT操作，保证了UE之间进行数据传输的通信需求，从而提高了UE信道接入的成功率。
在此实施方式中，对于一个区域，若长期来看保证没有其它无线接入技术共享此信道(如相关协议限制)，网络侧设备可以为UE配置不同类型的资源，如专用的资源或共享的资源，UE在专用的资源上或共享的资源上执行LBT操作。此外，UE在网络侧设备的覆盖范围内，用于旁链路传输的资源类型还可以是授权频谱类型或非授权频谱类型。下面以UE在resource pool资源级别为例，对第三种实施方式进行具体说明。
1)网络侧设备为UE配置了专用resource pool和共享resource pool，UE优先使用专用resource pool：
A)若UE在网络侧设备配置的专用resource pool上触发持续性LBT失败，则UE向网络侧设备上报在专用resource pool上执行LBT失败，并从该专用resource pool重选至共享resource pool。
B)若UE在网络侧设备配置的共享resource pool上触发持续性LBT失败，则UE向网络侧设备上报在共享resource pool上执行LBT失败。
2)网络侧设备为UE配置了非授权频谱resource pool和授权频谱resource pool，UE优先使用非授权频谱resource pool：
A)若UE在网络侧设备配置的非授权频谱resource pool上触发持续性LBT失败，则UE向网络侧设备上报在非授权频谱resource pool上执行LBT失败，并从该非授权频谱resource pool重选至授权频谱resource pool。
B)若UE在网络侧设备配置的授权频谱resource pool上触发持续性LBT失败，则UE向网络侧设备上报在授权频谱resource pool上执行LBT失败。
在第四种实施方式中，在上述目标信息包括资源粒度重选概率的情况下，UE根据目标信息确定第二资源的方法可以包括下述的步骤501或步骤502。
步骤501、在资源粒度重选概率满足预设条件的情况下，UE将第七资源确定为第二资源。
本申请实施例中，上述第七资源为未触发连续LBT失败的资源。
可选地，本申请实施例中，上述资源粒度重选概率可以为第一资源对应的资源粒度重选概率。
可选地，本申请实施例中，资源粒度重选概率满足预设条件是指：与资源粒度重选概率相关的随机数落在资源重选概率的范围内。示例性地，假设资源粒度重选概率为30％，若随机数落在了【0，30】内，则UE需要重选资源。
需要说明的是，未触发连续LBT失败的资源可以理解为：触发LBT失败的频率较低的资源，或者，尚未触发LBT失败的资源。
步骤502、在资源粒度重选概率不满足预设条件的情况下，UE将第一资源确定为第二资源。
示例性地，假设资源粒度重选概率为30％，若随机数落在了【30，100】外，则UE不 执行资源重选，仍在当前资源上执行LBT操作。
本申请实施例中，UE可以根据资源粒度重选概率，决定是否重选资源，以在第一资源或重选的资源上执行LBT操作，保证了UE之间进行数据传输的通信需求，从而提高了UE信道接入的成功率。
在此实施方式中，网络侧设备可以根据UE的能力，为UE配置在非授权频谱上可以进行传输的SL carrier，以及SL carrier上的多个SL BWPs，而每个SL BWP上可以配置多个SL resource pools。网络侧设备可以选择是否为UE(预)配置BWP重选概率和/或resource pool重选概率。根据不同的资源颗粒度，UE根据资源重选概率可以执行资源重选或者上报持续性LBT失败。比如，若网络侧设备(预)配置了BWP重选概率/resource pool重选概率，则UE可以在触发持续性LBT失败的时候，根据BWP重选概率/resource pool重选概率判断是否执行BWP重选/resource pool重选。若网络侧设备未配置BWP重选概率/resource pool重选概率，则UE可以自主重选BWP，直到SL carrier上的所有SL BWP都触发持续性LBT失败，UE才向网络侧设备上报持续性LBT失败。下面以UE在resource pool资源级别为例，对第四种实施方式进行具体说明。
情况一、网络侧设备为UE配置了一个active SL BWP,在UE在该active SL BWP的一个resource pool上触发了consistent LBT failure的情况下：
1)若网络侧设备为UE配置了基于每个资源池(for per resource pool)的resource pool重选概率(即每个resource pool分别对应一个resource pool重选概率)或基于所有资源池(for all resource pool)的resource pool重选概率(即所有resource pool均对应一个resource pool重选概率)；
A)UE根据此概率决定重选resource pool，UE可以重选至该active SL BWP下的其它未触发consistent LBT failure的resource pool上，以在该resource pool上执行LBT操作；
B)UE根据此概率不执行resource pool重选，仍在当前resource pool上执行LBT操作。
2)若网络侧设备没有为UE配置resource pool重选概率，则UE自主重选至该active SL BWP下的其它未触发consistent LBT failure的resource pool上，以在该resource pool上执行LBT操作。
情况二、网络侧设备为UE配置了一个active SL BWP,在UE在该active SL BWP的所有resource pool上触发了consistent LBT failure的情况下：
1)若网络侧设备为UE配置了基于每个带宽部分(for per BWP)的BWP重选概率或基于所有带宽部分(for all BWP)的BWP重选概率；
A)UE根据此概率决定重选SL BWP，UE可以重选至SL carrier下的其它未触发consistent LBT failure的SL BWP上，以在该SL BWP上执行LBT操作；
B)UE根据此概率不执行SL BWP重选，仍在当前SL BWP上执行LBT操作。
2)若网络侧设备没有为UE配置BWP重选概率，则UE自主重选至该SL carrier下的其它未触发consistent LBT failure的SL BWP上，以在该SL BWP上执行LBT操作。
本申请实施例提供的资源重选方法，由于对于不同的目标信息，给出了确定重选资源的多种方式，因此在UE基于不同资源颗粒度触发LBT失败的情况下，可以选择合适的方式重选资源，以在该资源上执行LBT操作，保证了UE之间进行数据传输的通信需求，从而提高了UE信道接入的成功率。
可选地，本申请实施例中，本申请实施例提供的资源重选方法还包括下述的步骤601至步骤604。
步骤601、网络侧设备向UE发送第六消息。
步骤602、UE接收网络侧设备发送的第六消息。
本申请实施例中，上述第六消息中包括旁链路非授权频谱资源。
本申请实施例中，网络侧设备可以通过第六消息，向连接态UE配置用于LBT检测的非授权频谱资源，以使得UE在该非授权频谱资源上执行LBT检测，并向网络侧设备上报LBT检测结果。
可选地，本申请实施例中，上述第六消息可以为系统信息块(System Information Block，SIB)消息。
可选地，本申请实施例中，上述第六消息中可以携带LBT检测周期，UE可以基于该LBT检测周期，执行LBT检测。
步骤603、UE在旁链路非授权频谱资源上执行LBT检测，并向网络侧设备发送LBT检测结果。
步骤604、网络侧设备接收UE发送的LBT检测结果。
可选地，本申请实施例中，上述LBT检测结果可以辅助UE在旁链路非授权频谱上执行自主资源选择。
可选地，本申请实施例中，上述LBT检测结果可以为UE在某个资源上执行LBT成功，也可以为UE在某个资源上执行LBT失败。
需要说明的是，本申请实施例提供的资源重选方法也可以单独执行，即可以在不执行上述步骤21至步骤23的情况下执行本申请实施例提供的步骤601至步骤604。
本申请实施例中，在UE没有通信需求的时候，网络侧设备可以为UE配置非授权频谱资源，以使得UE在该非授权频谱资源上执行LBT检测，并向网络侧设备发送LBT检测结果；在UE有通信需求的时候，网络侧设备向UE指示空闲的资源，从而辅助UE选择合适的资源。
需要说明的是，本申请实施例提供的资源重选方法，执行主体还可以为资源重选装置，或者，该资源重选装置中的用于执行资源重选方法的控制模块。
图4示出了本申请实施例中涉及的资源重选装置的一种可能的结构示意图。如图4所示，该资源重选装置40可以包括：确定模块41和执行模块42。
其中，确定模块41，用于在UE在第一资源上执行LBT失败的情况下，根据目标信息确定第二资源。执行模块42，用于在第二资源上执行LBT。其中，该目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，该计时器信息用于指示停止执行LBT的时长。
在一种可能的实现方式中，在目标信息包括网络侧设备配置的资源的情况下，上述确定模块41，具体用于将网络侧设备预配置的资源确定为第二资源；或者，上述确定模块41，具体用于接收网络侧设备发送的第二消息，在第二消息中包括配置信息的情况下，将配置信息中包括的第三资源确定为第二资源，在第二消息中未包括配置信息、且第二消息指示允许UE执行LBT资源重选的情况下，将第四资源确定为第二资源，该第四资源为未触发连续LBT失败的资源。
在一种可能的实现方式中，上述确定模块41，具体用于向网络侧设备发送第一消息，该第一消息用于请求LBT资源重选；并接收网络侧设备发送的第二消息，该第二消息中包括配置信息。
在一种可能的实现方式中，上述第一消息中包括以下至少一项：第一资源、UE在第一资源上执行LBT失败的频率。
在一种可能的实现方式中，在目标信息包括计时器信息的情况下，上述确定模块41，具体用于在UE中预配置了第一计时器信息的情况下，在计时器到达第一计时器信息指示的第一时长后，将第五资源确定为第二资源，该第五资源为以下任一项：网络侧设备预配置的资源、UE自主选择的资源；或者，上述确定模块41，具体用于在UE中未预配置第一计时器信息的情况下，接收网络侧设备发送的第二计时器信息，并在计时器到达第二计时器信息指示的第二时长后，将第六资源确定为第二资源，该第六资源为以下任一项：网络侧设备预配置的资源、网络侧设备通过配置信息配置的资源、UE自主选择的资源。
在一种可能的实现方式中，上述确定模块41，具体用于向网络侧设备发送第三消息，该第三消息用于指示UE在第一资源上执行LBT失败；并接收网络侧设备发送的第四消息，该第四消息中包括第二计时器信息。
在一种可能的实现方式中，上述资源重选装置40还包括：清零模块。上述执行模块42， 还用于在计时器未到达目标时长的情况下，停止执行LBT。清零模块，用于在计时器到达目标时长之后，对LBT计数器清零，该目标时长为第一时长或第二时长。
在一种可能的实现方式中，上述目标信息包括资源类型信息，该资源类型信息用于指示第一类型资源和第二类型资源。上述确定模块41，具体用于将第二类型资源确定为第二资源，第一类型资源的优先级高于第二类型资源的优先级。
在一种可能的实现方式中，上述资源重选装置40还包括：发送模块和接收模块。发送模块，用于在将第二类型资源确定为第二资源之前，向网络侧设备发送第五消息，该第五消息用于指示UE在第一类型资源或第二类型资源上执行LBT失败。接收模块，用于接收网络侧设备发送的资源类型信息。
在一种可能的实现方式中，上述第一类型资源为专用资源，第二类型资源为共享资源；或者，上述第一类型资源为非授权频谱资源，第二类型资源为授权频谱资源。
在一种可能的实现方式中，在目标信息包括资源粒度重选概率的情况下，上述确定模块41，具体用于在资源粒度重选概率满足预设条件的情况下，将第七资源确定为第二资源，该第七资源为未触发连续LBT失败的资源；或者，上述确定模块41，具体用于在资源粒度重选概率不满足预设条件的情况下，将第一资源确定为第二资源。
在一种可能的实现方式中，上述资源重选装置40还包括：接收模块和发送模块。接收模块，用于接收网络侧设备发送的第六消息，该第六消息中包括旁链路非授权频谱资源。上述执行模块42，还用于在旁链路非授权频谱资源上执行LBT检测。发送模块，用于向网络侧设备发送LBT检测结果。
本申请实施例提供一种资源重选装置，在UE在非授权频谱资源上尝试获取传输资源时执行LBT失败的情况下，资源重选装置可以根据目标信息重选合适的资源(即第二资源)，以在该资源上执行LBT操作，并且，对于不同的目标信息，给出了确定重选资源的多种方式，保证了UE之间进行数据传输的通信需求，从而提高了信道接入的成功率。
本申请实施例中的资源重选装置可以是装置，具有操作系统的装置或UE，也可以是UE中的部件、集成电路、或芯片。该装置或UE可以是移动终端，也可以为非移动终端。示例性的，移动终端可以包括但不限于上述所列举的UE 11的类型，非移动终端可以为服务器、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。
本申请实施例提供的资源重选装置能够实现上述方法实施例中UE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。
图5示出了本申请实施例中涉及的资源重选装置的一种可能的结构示意图。如图5所示，该资源重选装置50可以包括：确定模块51和发送模块52。
其中，确定模块51，用于获取目标信息。发送模块52，用于向UE发送目标信息，该目标信息用于UE重选执行LBT的资源，该目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，该计时器信息用于指示停止执行LBT的时长。
在一种可能的实现方式中，在目标信息包括网络侧设备配置的资源的情况下，上述发送模块52，具体用于向UE发送第二消息。其中，该第二消息中包括配置信息，该配置信息中包括第三资源；或者，该第二消息中未包括配置信息，该第二消息指示允许UE执行LBT资源重选。
在一种可能的实现方式中，上述发送模块52，具体用于接收UE发送的第一消息，该第一消息用于请求LBT资源重选；并向UE发送第二消息，该第二消息中包括配置信息。
在一种可能的实现方式中，上述第一消息中包括以下至少一项：第一资源、UE在第一资源上执行LBT失败的频率。
在一种可能的实现方式中，在目标信息包括计时器信息的情况下，上述发送模块52，具体用于向UE发送第二计时器信息，该第二计时器信息用于UE在计时器到达第二计时器信息指示的第二时长后，将第六资源确定为UE重选执行LBT的资源，该第六资源为以下 任一项：网络侧设备预配置的资源、网络侧设备通过配置信息配置的资源、UE自主选择的资源。
在一种可能的实现方式中，上述发送模块52，具体用于接收UE发送的第三消息，该第三消息用于指示UE在第一资源上执行LBT失败；并向UE发送第四消息，该第四消息中包括第二计时器信息。
在一种可能的实现方式中，上述目标信息包括资源类型信息，该资源类型信息用于指示第一类型资源和第二类型资源，第一类型资源的优先级高于第二类型资源的优先级。上述发送模块52，具体用于接收UE发送的第五消息，该第五消息用于指示UE在第一类型资源或第二类型资源上执行LBT失败；并向UE发送资源类型信息。
在一种可能的实现方式中，上述第一类型资源为专用资源，第二类型资源为共享资源；或者，上述第一类型资源为非授权频谱资源，第二类型资源为授权频谱资源。
在一种可能的实现方式中，上述资源重选装置50还包括：接收模块。上述发送模块52，用于向UE发送第六消息，该第六消息中包括旁链路非授权频谱资源。接收模块，还用于接收UE发送的LBT检测结果，LBT检测结果为UE在旁链路非授权频谱资源上执行LBT检测后的结果。
本申请实施例提供一种资源重选装置，资源重选装置可以向UE发送目标信息，以使得UE根据目标信息重选合适的资源(即第二资源)，以在该资源上执行LBT操作，并且，对于不同的目标信息，给出了确定重选资源的多种方式，保证了UE之间进行数据传输的通信需求，从而提高了信道接入的成功率。
本申请实施例中的资源重选装置可以是装置或网络侧设备，也可以是网络侧设备中的部件、集成电路、或芯片。
本申请实施例提供的资源重选装置能够实现上述方法实施例中网络侧设备实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
可选地，如图6所示，本申请实施例还提供一种通信设备600，包括处理器601，存储器602，存储在存储器602上并可在所述处理器601上运行的程序或指令，例如，该通信设备600为UE时，该程序或指令被处理器601执行时实现上述方法实施例UE侧的各个过程，且能达到相同的技术效果。该通信设备600为网络侧设备时，该程序或指令被处理器601执行时实现上述方法实施例网络侧设备的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
本申请实施例还提供一种UE，包括处理器和通信接口，处理器用于在UE在第一资源上执行LBT失败的情况下，根据目标信息确定第二资源；并在第二资源上执行LBT。其中，该目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，该计时器信息用于指示停止执行LBT的时长。该UE实施例是与上述UE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UE实施例中，且能达到相同的技术效果。具体地，图7为实现本申请实施例的一种UE的硬件结构示意图。
该UE 100包括但不限于：射频单元101、网络模块102、音频输出单元103、输入单元104、传感器105、显示单元106、用户输入单元107、接口单元108、存储器109、以及处理器110等中的至少部分部件。
本领域技术人员可以理解，UE 100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110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7中示出的UE结构并不构成对UE的限定，UE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104可以包括图形处理器(Graphics Processing Unit，GPU)1041和麦克风1042，图形处理器1041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106可包括显示面板1061，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1061。 用户输入单元107包括触控面板1071以及其他输入设备1072。触控面板1071，也称为触摸屏。触控面板1071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1072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101将来自网络侧设备的下行数据接收后，给处理器110处理；另外，将上行的数据发送给网络侧设备。通常，射频单元101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109可用于存储软件程序或指令以及各种数据。存储器109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109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，其中，非易失性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、或其他非易失性固态存储器件。
处理器110可包括一个或多个处理单元；可选地，处理器110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110中。
其中，处理器110，用于在UE在第一资源上执行LBT失败的情况下，根据目标信息确定第二资源；并在第二资源上执行LBT。其中，目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，该计时器信息用于指示停止执行LBT的时长。
本申请实施例提供一种UE，在UE在非授权频谱资源上尝试获取传输资源时执行LBT失败的情况下，UE可以根据目标信息重选合适的资源(即第二资源)，以在该资源上执行LBT操作，并且，对于不同的目标信息，给出了确定重选资源的多种方式，保证了UE之间进行数据传输的通信需求，从而提高了UE信道接入的成功率。
可选地，在目标信息包括网络侧设备配置的资源的情况下，处理器110，具体用于将网络侧设备预配置的资源确定为第二资源；或者，处理器110，具体用于接收网络侧设备发送的第二消息，在第二消息中包括配置信息的情况下，将配置信息中包括的第三资源确定为第二资源，在第二消息中未包括配置信息、且第二消息指示允许UE执行LBT资源重选的情况下，将第四资源确定为第二资源，该第四资源为未触发连续LBT失败的资源。
可选地，处理器110，具体用于向网络侧设备发送第一消息，该第一消息用于请求LBT资源重选；并接收网络侧设备发送的第二消息，该第二消息中包括配置信息。
可选地，在目标信息包括计时器信息的情况下，处理器110，具体用于在UE中预配置了第一计时器信息的情况下，在计时器到达第一计时器信息指示的第一时长后，将第五资源确定为第二资源，该第五资源为以下任一项：网络侧设备预配置的资源、UE自主选择的资源；或者，处理器110，具体用于在UE中未预配置第一计时器信息的情况下，接收网络侧设备发送的第二计时器信息，并在计时器到达第二计时器信息指示的第二时长后，将第六资源确定为第二资源，该第六资源为以下任一项：网络侧设备预配置的资源、网络侧设备通过配置信息配置的资源、UE自主选择的资源。
可选地，处理器110，具体用于向网络侧设备发送第三消息，该第三消息用于指示UE在第一资源上执行LBT失败；并接收网络侧设备发送的第四消息，该第四消息中包括第二计时器信息。
可选地，处理器110，还用于在计时器未到达目标时长的情况下，停止执行LBT；并在计时器到达目标时长之后，对LBT计数器清零，该目标时长为第一时长或第二时长。
可选地，上述目标信息包括资源类型信息，该资源类型信息用于指示第一类型资源和 第二类型资源。处理器110，具体用于将第二类型资源确定为第二资源，第一类型资源的优先级高于第二类型资源的优先级。
可选地，射频单元101，用于在将第二类型资源确定为第二资源之前，向网络侧设备发送第五消息，该第五消息用于指示UE在第一类型资源或第二类型资源上执行LBT失败；并接收网络侧设备发送的资源类型信息。
可选地，在目标信息包括资源粒度重选概率的情况下，处理器110，具体用于在资源粒度重选概率满足预设条件的情况下，将第七资源确定为第二资源，该第七资源为未触发连续LBT失败的资源；或者，处理器110，具体用于在资源粒度重选概率不满足预设条件的情况下，将第一资源确定为第二资源。
可选地，射频单元101，用于接收网络侧设备发送的第六消息，该第六消息中包括旁链路非授权频谱资源。处理器110，还用于在旁链路非授权频谱资源上执行LBT检测。射频单元101，还用于向网络侧设备发送LBT检测结果。
本申请实施例提供的UE能够实现上述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网络侧设备，包括处理器和通信接口，通信接口用于向UE发送目标信息，该目标信息用于UE重选执行LBT的资源。其中，该目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，该计时器信息用于指示停止执行LBT的时长。该网络侧设备实施例是与上述网络侧设备方法实施例对应的，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网络侧设备实施例中，且能达到相同的技术效果。
具体地，本申请实施例还提供了一种网络侧设备。如图8所示，该网络侧设备800包括：天线81、射频装置82、基带装置83。天线81与射频装置82连接。在上行方向上，射频装置82通过天线81接收信息，将接收的信息发送给基带装置83进行处理。在下行方向上，基带装置83对要发送的信息进行处理，并发送给射频装置82，射频装置82对收到的信息进行处理后经过天线81发送出去。
其中，射频装置82用于向UE发送目标信息，该目标信息用于UE重选执行LBT的资源。其中，该目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，该计时器信息用于指示停止执行LBT的时长。
本申请实施例提供一种网络侧设备，该网络侧设备可以向UE发送目标信息，以使得UE根据目标信息重选合适的资源(即第二资源)，以在该资源上执行LBT操作，并且，对于不同的目标信息，给出了确定重选资源的多种方式，保证了UE之间进行数据传输的通信需求，从而提高了信道接入的成功率。
本申请实施例提供的网络侧设备能够实现上述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。
上述频带处理装置可以位于基带装置83中，以上实施例中网络侧设备执行的方法可以在基带装置83中实现，该基带装置83包括处理器84和存储器85。
基带装置83例如可以包括至少一个基带板，该基带板上设置有多个芯片，如图8所示，其中一个芯片例如为处理器84，与存储器85连接，以调用存储器85中的程序，执行以上方法实施例中所示的网络侧设备操作。
该基带装置83还可以包括网络接口86，用于与射频装置82交互信息，该接口例如为通用公共无线接口(Common Public Radio Interface，CPRI)。
具体地，本发明实施例的网络侧设备还包括：存储在存储器85上并可在处理器84上运行的指令或程序，处理器84调用存储器85中的指令或程序执行上述各模块执行的方法，并达到相同的技术效果，为避免重复，故不在此赘述。
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重选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UE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。需要说明的是，该可读存储介质可以是非易失的，也可以是易失的，此外，该可读存储介质可以是非瞬态的。
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，实现上述资源重选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。
本申请实施例另提供了一种计算机程序/程序产品，所述计算机程序/程序产品被存储在非瞬态的可读存储介质中，所述程序/程序产品被至少一个处理器执行以实现上述资源重选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。
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，或者网络侧设备等)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 (45)

  1. 一种资源重选方法，包括：
    在用户设备UE在第一资源上执行先听后说LBT失败的情况下，所述UE根据目标信息确定第二资源；
    所述UE在所述第二资源上执行LBT；
    其中，所述目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，所述计时器信息用于指示停止执行LBT的时长。
  2. 根据权利要求1所述的方法，其中，在所述目标信息包括所述网络侧设备配置的资源的情况下，所述UE根据目标信息确定第二资源，包括：
    所述UE将所述网络侧设备预配置的资源确定为所述第二资源；
    或者，
    所述UE接收所述网络侧设备发送的第二消息，在所述第二消息中包括配置信息的情况下，所述UE将所述配置信息中包括的第三资源确定为所述第二资源，在所述第二消息中未包括配置信息、且所述第二消息指示允许所述UE执行LBT资源重选的情况下，所述UE将第四资源确定为所述第二资源，所述第四资源为未触发连续LBT失败的资源。
  3. 根据权利要求2所述的方法，其中，所述UE接收所述网络侧设备发送的第二消息，包括：
    所述UE向所述网络侧设备发送第一消息，所述第一消息用于请求LBT资源重选；
    所述UE接收所述网络侧设备发送的第二消息，所述第二消息中包括所述配置信息。
  4. 根据权利要求3所述的方法，其中，所述第一消息中包括以下至少一项：所述第一资源、所述UE在所述第一资源上执行LBT失败的频率。
  5. 根据权利要求1所述的方法，其中，在所述目标信息包括所述计时器信息的情况下，所述UE根据目标信息确定第二资源，包括：
    在所述UE中预配置了第一计时器信息的情况下，所述UE在计时器到达所述第一计时器信息指示的第一时长后，将第五资源确定为所述第二资源，所述第五资源为以下任一项：所述网络侧设备预配置的资源、所述UE自主选择的资源；
    在所述UE中未预配置第一计时器信息的情况下，所述UE接收所述网络侧设备发送的第二计时器信息，并在计时器到达所述第二计时器信息指示的第二时长后，将第六资源确定为所述第二资源，所述第六资源为以下任一项：所述网络侧设备预配置的资源、所述网络侧设备通过配置信息配置的资源、所述UE自主选择的资源。
  6. 根据权利要求5所述的方法，其中，所述UE接收所述网络侧设备发送的第二计时器信息，包括：
    所述UE向所述网络侧设备发送第三消息，所述第三消息用于指示所述UE在所述第一资源上执行LBT失败；
    所述UE接收所述网络侧设备发送的第四消息，所述第四消息中包括所述第二计时器信息。
  7. 根据权利要求5或6所述的方法，其中，所述方法还包括：
    所述UE在所述计时器未到达目标时长的情况下，停止执行LBT；
    所述UE在所述计时器到达所述目标时长之后，对LBT计数器清零，所述目标时长为所述第一时长或所述第二时长。
  8. 根据权利要求1所述的方法，其中，所述目标信息包括所述资源类型信息，所述资源类型信息用于指示第一类型资源和第二类型资源；
    所述UE根据目标信息确定第二资源，包括：
    所述UE将所述第二类型资源确定为所述第二资源，所述第一类型资源的优先级高于所述第二类型资源的优先级。
  9. 根据权利要求8所述的方法，其中，所述UE将所述第二类型资源确定为所述第二 资源之前，所述方法还包括：
    所述UE向所述网络侧设备发送第五消息，所述第五消息用于指示所述UE在所述第一类型资源或所述第二类型资源上执行LBT失败；
    所述UE接收所述网络侧设备发送的所述资源类型信息。
  10. 根据权利要求8或9所述的方法，其中，所述第一类型资源为专用资源，所述第二类型资源为共享资源；
    或者，
    所述第一类型资源为非授权频谱资源，所述第二类型资源为授权频谱资源。
  11. 根据权利要求1所述的方法，其中，在所述目标信息包括所述资源粒度重选概率的情况下，所述UE根据目标信息确定第二资源，包括：
    在所述资源粒度重选概率满足预设条件的情况下，所述UE将第七资源确定为所述第二资源，所述第七资源为未触发连续LBT失败的资源；
    或者，
    在所述资源粒度重选概率不满足预设条件的情况下，所述UE将所述第一资源确定为所述第二资源。
  12. 根据权利要求1所述的方法，其中，所述方法还包括：
    所述UE接收所述网络侧设备发送的第六消息，所述第六消息中包括旁链路非授权频谱资源；
    所述UE在所述旁链路非授权频谱资源上执行LBT检测，并向所述网络侧设备发送LBT检测结果。
  13. 一种资源重选方法，包括：
    网络侧设备向用户设备UE发送目标信息，所述目标信息用于所述UE重选执行先听后说LBT的资源；
    其中，所述目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，所述计时器信息用于指示停止执行LBT的时长。
  14. 根据权利要求13所述的方法，其中，在所述目标信息包括所述网络侧设备配置的资源的情况下，所述网络侧设备向UE发送目标信息，包括：
    所述网络侧设备向所述UE发送第二消息；
    其中，所述第二消息中包括配置信息，所述配置信息中包括第三资源；或者，所述第二消息中不包括配置信息，所述第二消息指示允许所述UE执行LBT资源重选。
  15. 根据权利要求14所述的方法，其中，所述网络侧设备向所述UE发送第二消息，包括：
    所述网络侧设备接收所述UE发送的第一消息，所述第一消息用于请求LBT资源重选；
    所述网络侧设备向所述UE发送第二消息，所述第二消息中包括所述配置信息。
  16. 根据权利要求13所述的方法，其中，在所述目标信息包括所述计时器信息的情况下，所述网络侧设备向UE发送目标信息，包括：
    所述网络侧设备向所述UE发送第二计时器信息，所述第二计时器信息用于所述UE在计时器到达所述第二计时器信息指示的第二时长后，将第六资源确定为所述UE重选执行LBT的资源，所述第六资源为以下任一项：所述网络侧设备预配置的资源、所述网络侧设备通过配置信息配置的资源、所述UE自主选择的资源。
  17. 根据权利要求16所述的方法，其中，所述网络侧设备向所述UE发送第二计时器信息，包括：
    所述网络侧设备接收所述UE发送的第三消息，所述第三消息用于指示所述UE在第一资源上执行LBT失败；
    所述网络侧设备向所述UE发送第四消息，所述第四消息中包括所述第二计时器信息。
  18. 根据权利要求13所述的方法，其中，所述目标信息包括所述资源类型信息，所述资源类型信息用于指示第一类型资源和第二类型资源，所述第一类型资源的优先级高于所 述第二类型资源的优先级；
    所述网络侧设备向UE发送目标信息，包括：
    所述网络侧设备接收所述UE发送的第五消息，所述第五消息用于指示所述UE在所述第一类型资源或所述第二类型资源上执行LBT失败；
    所述网络侧设备向所述UE发送所述资源类型信息。
  19. 根据权利要求13所述的方法，其中，所述方法还包括：
    所述网络侧设备向所述UE发送第六消息，所述第六消息中包括旁链路非授权频谱资源；
    所述网络侧设备接收所述UE发送的LBT检测结果，所述LBT检测结果为所述UE在所述旁链路非授权频谱资源上执行LBT检测后的结果。
  20. 一种资源重选装置，包括：确定模块和执行模块；
    所述确定模块，用于在用户设备UE在第一资源上执行先听后说LBT失败的情况下，根据目标信息确定第二资源；
    所述执行模块，用于在所述第二资源上执行LBT；
    其中，所述目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，所述计时器信息用于指示停止执行LBT的时长。
  21. 根据权利要求20所述的装置，其中，在所述目标信息包括所述网络侧设备配置的资源的情况下，
    所述确定模块，具体用于将所述网络侧设备预配置的资源确定为所述第二资源；
    或者，
    所述确定模块，具体用于接收所述网络侧设备发送的第二消息，在所述第二消息中包括配置信息的情况下，将所述配置信息中包括的第三资源确定为所述第二资源，在所述第二消息中未包括配置信息、且所述第二消息指示允许所述UE执行LBT资源重选的情况下，将第四资源确定为所述第二资源，所述第四资源为未触发连续LBT失败的资源。
  22. 根据权利要求21所述的装置，其中，所述确定模块，具体用于向所述网络侧设备发送第一消息，所述第一消息用于请求LBT资源重选；并接收所述网络侧设备发送的第二消息，所述第二消息中包括所述配置信息。
  23. 根据权利要求22所述的装置，其中，所述第一消息中包括以下至少一项：所述第一资源、所述UE在所述第一资源上执行LBT失败的频率。
  24. 根据权利要求20所述的装置，其中，在所述目标信息包括所述计时器信息的情况下，
    所述确定模块，具体用于在所述UE中预配置了第一计时器信息的情况下，在计时器到达所述第一计时器信息指示的第一时长后，将第五资源确定为所述第二资源，所述第五资源为以下任一项：所述网络侧设备预配置的资源、所述UE自主选择的资源；
    或者，
    所述确定模块，具体用于在所述UE中未预配置第一计时器信息的情况下，接收所述网络侧设备发送的第二计时器信息，并在计时器到达所述第二计时器信息指示的第二时长后，将第六资源确定为所述第二资源，所述第六资源为以下任一项：所述网络侧设备预配置的资源、所述网络侧设备通过配置信息配置的资源、所述UE自主选择的资源。
  25. 根据权利要求24所述的装置，其中，所述确定模块，具体用于向所述网络侧设备发送第三消息，所述第三消息用于指示所述UE在所述第一资源上执行LBT失败；并接收所述网络侧设备发送的第四消息，所述第四消息中包括所述第二计时器信息。
  26. 根据权利要求24或25所述的装置，其中，所述装置还包括：清零模块；
    所述执行模块，还用于在所述计时器未到达目标时长的情况下，停止执行LBT；
    所述清零模块，用于在所述计时器到达所述目标时长之后，对LBT计数器清零，所述目标时长为所述第一时长或所述第二时长。
  27. 根据权利要求20所述的装置，其中，所述目标信息包括所述资源类型信息，所述 资源类型信息用于指示第一类型资源和第二类型资源；
    所述确定模块，具体用于将所述第二类型资源确定为所述第二资源，所述第一类型资源的优先级高于所述第二类型资源的优先级。
  28. 根据权利要求27所述的装置，其中，所述装置还包括：发送模块和接收模块；
    所述发送模块，用于在将所述第二类型资源确定为所述第二资源之前，向所述网络侧设备发送第五消息，所述第五消息用于指示所述UE在所述第一类型资源或所述第二类型资源上执行LBT失败；
    所述接收模块，用于接收所述网络侧设备发送的所述资源类型信息。
  29. 根据权利要求27或28所述的装置，其中，所述第一类型资源为专用资源，所述第二类型资源为共享资源；
    或者，
    所述第一类型资源为非授权频谱资源，所述第二类型资源为授权频谱资源。
  30. 根据权利要求20所述的装置，其中，在所述目标信息包括所述资源粒度重选概率的情况下，
    所述确定模块，具体用于在所述资源粒度重选概率满足预设条件的情况下，将第七资源确定为所述第二资源，所述第七资源为未触发连续LBT失败的资源；
    或者，
    所述确定模块，具体用于在所述资源粒度重选概率不满足预设条件的情况下，将所述第一资源确定为所述第二资源。
  31. 根据权利要求20所述的装置，其中，所述装置还包括：接收模块和发送模块；
    所述接收模块，用于接收所述网络侧设备发送的第六消息，所述第六消息中包括旁链路非授权频谱资源；
    所述执行模块，还用于在所述旁链路非授权频谱资源上执行LBT检测；
    所述发送模块，用于向所述网络侧设备发送LBT检测结果。
  32. 一种资源重选装置，包括：发送模块；
    所述发送模块，用于向用户设备UE发送目标信息，所述目标信息用于所述UE重选执行先听后说LBT的资源；
    其中，所述目标信息包括以下至少一项：网络侧设备配置的资源、计时器信息、资源类型信息、资源粒度重选概率，所述计时器信息用于指示停止执行LBT的时长。
  33. 根据权利要求32所述的装置，其中，在所述目标信息包括所述网络侧设备配置的资源的情况下，所述发送模块，具体用于向所述UE发送第二消息；其中，所述第二消息中包括配置信息，所述配置信息中包括第三资源；或者，所述第二消息中不包括配置信息，所述第二消息指示允许所述UE执行LBT资源重选。
  34. 根据权利要求33所述的装置，其中，所述发送模块，具体用于接收所述UE发送的第一消息，所述第一消息用于请求LBT资源重选；并向所述UE发送第二消息，所述第二消息中包括所述配置信息。
  35. 根据权利要求32所述的装置，其中，在所述目标信息包括所述计时器信息的情况下，所述发送模块，具体用于向所述UE发送第二计时器信息，所述第二计时器信息用于所述UE在计时器到达所述第二计时器信息指示的第二时长后，将第六资源确定为所述UE重选执行LBT的资源，所述第六资源为以下任一项：所述网络侧设备预配置的资源、所述网络侧设备通过配置信息配置的资源、所述UE自主选择的资源。
  36. 根据权利要求35所述的装置，其中，所述发送模块，具体用于接收所述UE发送的第三消息，所述第三消息用于指示所述UE在第一资源上执行LBT失败；并向所述UE发送第四消息，所述第四消息中包括所述第二计时器信息。
  37. 根据权利要求32所述的装置，其中，所述目标信息包括所述资源类型信息，所述资源类型信息用于指示第一类型资源和第二类型资源，所述第一类型资源的优先级高于所述第二类型资源的优先级；
    所述发送模块，具体用于接收所述UE发送的第五消息，所述第五消息用于指示所述UE在所述第一类型资源或所述第二类型资源上执行LBT失败；并向所述UE发送所述资源类型信息。
  38. 根据权利要求32所述的装置，其中，所述装置还包括：接收模块；
    所述发送模块，用于向所述UE发送第六消息，所述第六消息中包括旁链路非授权频谱资源；
    所述接收模块，还用于接收所述UE发送的LBT检测结果，所述LBT检测结果为所述UE在所述旁链路非授权频谱资源上执行LBT检测后的结果。
  39. 一种用户设备UE，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至12中任一项所述的资源重选方法的步骤。
  40. 一种网络侧设备，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13至19中任一项所述的资源重选方法的步骤。
  41. 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至12中任一项所述的资源重选方法的步骤，或者实现如权利要求13至19中任一项所述的资源重选方法的步骤。
  42. 一种通信系统，所述通信系统包括如权利要求20至31中任一项所述的资源重选装置以及如权利要求32至38中任一项所述的资源重选装置；或者，
    所述通信系统包括如权利要求39所述的用户设备UE以及如权利要求40所述的网络侧设备。
  43. 一种资源重选装置，所述装置用于执行如权利要求1至12中任一项所述的资源重选方法，或者用于执行如权利要求13至19中任一项所述的资源重选方法。
  44. 一种计算机程序产品，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12中任一项所述的资源重选方法，或者实现如权利要求13至19中任一项所述的资源重选方法。
  45. 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至12中任一项所述的资源重选方法，或者实现如权利要求13至19中任一项所述的资源重选方法。
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