WO2023010288A1 - 资源选择方法、装置和存储介质 - Google Patents
资源选择方法、装置和存储介质 Download PDFInfo
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Definitions
- the present disclosure relates to the field of communication technologies, and in particular, to a resource selection method, device and storage medium.
- Embodiments of the present disclosure provide a resource selection method, device, and storage medium, which can be applied to the Internet of Vehicles, such as vehicle to everything (V2X) communication, long term evolution-vehicle (LTE- V), vehicle-to-vehicle (V2V) communication, etc., or can be used in intelligent driving, intelligent networked vehicles and other fields.
- V2X vehicle to everything
- LTE- V long term evolution-vehicle
- V2V vehicle-to-vehicle
- V2V vehicle-to-vehicle
- an embodiment of the present disclosure provides a resource selection method, which is executed by a terminal device, and the method includes: in response to the terminal device performing resource selection based on partial monitoring or resource evaluation based on partial monitoring, determining the resources that need to be monitored A set of time units; wherein, the partial monitoring-based resource evaluation includes: partial monitoring-based resource re-evaluation and/or partial monitoring-based resource occupancy evaluation; the terminal device in the time unit set When there is a conflict between sending and receiving in the first time unit, it is determined whether the terminal device performs a monitoring operation according to a preset condition.
- the method further includes: in response to the time when the resource selection based on partial monitoring is triggered as the second time unit, performing the resource selection based on partial monitoring at the time of the first time unit selected in the resource selection window is the third time unit, when the first time unit is after the second time unit, or the first time unit is between the second time unit and the third time unit, determine whether the terminal device performs Listen for operations.
- the terminal device has a transceiving conflict in the first time unit, including: the terminal device needs to perform side link SL transmission and/or uplink UL transmission operation in the first time unit .
- the determining whether the terminal device performs the monitoring operation according to the preset condition includes: responding to the preset condition as giving priority to the monitoring operation, and giving up performing the SL transmission in the first time unit Or a UL transmission operation; determine that the terminal device performs a monitoring operation.
- the determining whether the terminal device performs the monitoring operation according to preset conditions includes: determining whether the terminal device performs the monitoring operation according to the priority.
- the determining whether the terminal device performs the monitoring operation according to the priority includes: acquiring the first priority of performing SL transmission or UL transmission operation in the first time unit; On the first resource corresponding to the monitoring operation performed by the time unit, the second priority of SL transmission is performed; wherein, the first resource is a resource that has undergone resource selection or resource evaluation; the resource evaluation includes: resource re-evaluation and /or resource occupation evaluation; according to the first priority and/or the second priority, determine whether the terminal device performs a monitoring operation.
- the determining whether the terminal device performs a monitoring operation according to the first priority and/or the second priority includes: at the first priority and/or the second priority When the two priorities meet the first specific condition, it is determined that the terminal device performs a monitoring operation; or, when the first priority and/or the second priority meets the second specific condition, it is determined that the terminal device The above-mentioned terminal devices do not perform monitoring operations.
- the first specific condition includes at least one of the following conditions: the first priority is lower than a first priority threshold; the first priority is equal to the first priority threshold; The second priority is higher than a second priority threshold; the second priority is equal to the second priority threshold; and the first priority is lower than the second priority.
- the second specific condition includes at least one of the following conditions: the first priority is higher than a first priority threshold; the first priority is equal to the first priority threshold; The second priority is lower than a second priority threshold; the second priority is equal to the second priority threshold; and the first priority is higher than the second priority.
- the method further includes: receiving downlink control information and/or pre-configuration information of the network side device; the first specific condition includes: the first priority is lower than a first priority threshold ; and/or when the first priority is equal to the first priority threshold, acquire the first priority threshold; or, when the first specific condition includes: the second priority is higher than the second a priority threshold; and/or when the second priority is equal to the second priority threshold, acquiring the second priority threshold; or, when the second specific condition includes: the first priority is high Based on the first priority threshold; and/or when the first priority is equal to the first priority threshold, acquiring the first priority threshold; or, when the second specific condition includes: the second The priority is lower than the second priority threshold; and/or when the second priority is equal to the second priority threshold, the second priority threshold is obtained; or, when the first specific condition includes: the said first priority is lower than a first priority threshold; and/or said first priority is equal to a first priority threshold; and said second priority is higher than a second priority threshold; and/or said first priority
- the method further includes: when it is determined that the terminal device does not perform the monitoring operation, when the corresponding resource selection or re-evaluation and/or occupancy evaluation generates an available candidate resource set, not performing the The first time unit corresponds to the exclude operation of the resource.
- an embodiment of the present disclosure provides another resource selection method, the method is executed by a network side device, and the method includes: sending downlink control information and/or pre-configuration information to the terminal device; wherein the downlink control information And/or the pre-configuration information includes: a first priority threshold and/or a second priority threshold.
- the embodiment of the present disclosure provides a resource selection device, the resource selection device has some or all functions of the terminal device in the method described in the first aspect above, for example, the function of the resource selection device can have the function of the resource selection device in the present disclosure
- the functions in some or all of the embodiments may also have the functions of independently implementing any one of the embodiments in the present disclosure.
- the functions described above may be implemented by hardware, or may be implemented by executing corresponding software on the hardware.
- the hardware or software includes one or more units or modules corresponding to the above functions.
- the structure of the resource selection device may include a transceiver module and a processing module, and the processing module is configured to support the communication device to perform corresponding functions in the above method.
- the transceiver module is used to support communication between the communication device and other equipment.
- the communication device may further include a storage module, which is used to be coupled with the transceiver module and the processing module, and stores necessary computer programs and data of the communication device.
- the processing module may be a processor
- the transceiver module may be a transceiver or a communication interface
- the storage module may be a memory
- the resource selection device includes: a transceiver module, configured to determine a set of time units that need to be monitored in response to the terminal device performing resource selection based on partial monitoring or resource evaluation based on partial monitoring; wherein, The resource evaluation based on partial monitoring includes: resource re-evaluation based on partial monitoring and/or resource occupancy evaluation based on partial monitoring; a processing module, configured to perform the first operation of the terminal device in the set of time units When there is a sending and receiving conflict in one time unit, it is determined whether the terminal device performs a monitoring operation according to a preset condition.
- the embodiment of the present disclosure provides another resource selection device, which has some or all functions of the network side equipment in the method example described in the second aspect above, for example, the function of the resource selection device can have this
- the functions in some or all of the embodiments in the disclosure may also have the function of implementing any one of the embodiments in the present disclosure independently.
- the functions described above may be implemented by hardware, or may be implemented by executing corresponding software on the hardware.
- the hardware or software includes one or more units or modules corresponding to the above functions.
- the structure of the resource selection device may include a transceiver module and a processing module, and the processing module is configured to support the communication device to perform corresponding functions in the above method.
- the transceiver module is used to support communication between the communication device and other devices.
- the communication device may further include a storage module, which is used to be coupled with the transceiver module and the processing module, and stores necessary computer programs and data of the communication device.
- the resource selection device includes: a transceiver module, configured to send downlink control information and/or pre-configuration information to the terminal device; wherein, in the downlink control information and/or the pre-configuration information, Including: the first priority threshold and/or the second priority threshold.
- an embodiment of the present disclosure provides a communication device, where the communication device includes a processor, and when the processor invokes a computer program in a memory, executes the method described in the first aspect above.
- an embodiment of the present disclosure provides a communication device, where the communication device includes a processor, and when the processor invokes a computer program in a memory, it executes the method described in the second aspect above.
- an embodiment of the present disclosure provides a communication device, the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the first aspect above.
- an embodiment of the present disclosure provides a communication device, the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the second aspect above.
- an embodiment of the present disclosure provides a communication device, the device includes a processor and an interface circuit, the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to make the The device executes the method described in the first aspect above.
- an embodiment of the present disclosure provides a communication device, the device includes a processor and an interface circuit, the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to make the The device executes the method described in the second aspect above.
- the embodiment of the present disclosure provides a resource selection system, the system includes the communication device described in the third aspect and the communication device described in the fourth aspect, or, the system includes the communication device described in the fifth aspect And the communication device described in the sixth aspect, or, the system includes the communication device described in the seventh aspect and the communication device described in the eighth aspect, or, the system includes the communication device described in the ninth aspect and the communication device described in the tenth aspect The communication device.
- the embodiment of the present invention provides a computer-readable storage medium, which is used to store instructions used by the above-mentioned terminal equipment, and when the instructions are executed, the terminal equipment executes the above-mentioned first aspect. method.
- an embodiment of the present invention provides a readable storage medium for storing instructions used by the above-mentioned network-side equipment, and when the instructions are executed, the network-side equipment executes the above-mentioned second aspect.
- the present disclosure further provides a computer program product including a computer program, which, when run on a computer, causes the computer to execute the method described in the first aspect above.
- the present disclosure further provides a computer program product including a computer program, which, when run on a computer, causes the computer to execute the method described in the second aspect above.
- the present disclosure provides a chip system
- the chip system includes at least one processor and an interface, used to support the terminal device to implement the functions involved in the first aspect, for example, determine or process the data involved in the above method and at least one of information.
- the chip system further includes a memory, and the memory is configured to store necessary computer programs and data of the terminal device.
- the system-on-a-chip may consist of chips, or may include chips and other discrete devices.
- the present disclosure provides a chip system, which includes at least one processor and an interface, configured to support the network side device to implement the functions involved in the second aspect, for example, to determine or process the functions involved in the above method At least one of data and information.
- the chip system further includes a memory, and the memory is configured to store necessary computer programs and data of the network side device.
- the system-on-a-chip may consist of chips, or may include chips and other discrete devices.
- the present disclosure provides a computer program that, when run on a computer, causes the computer to execute the method described in the first aspect above.
- the present disclosure provides a computer program that, when run on a computer, causes the computer to execute the method described in the second aspect above.
- FIG. 1 is an architecture diagram of a communication system provided by an embodiment of the present disclosure
- FIG. 2 is a flow chart of a resource selection method provided by an embodiment of the present disclosure
- Fig. 3 is a flowchart of another resource selection method provided by an embodiment of the present disclosure.
- FIG. 4 is a structural diagram of a resource selection device provided by an embodiment of the present disclosure.
- FIG. 5 is a structural diagram of another resource selection device provided by an embodiment of the present disclosure.
- FIG. 6 is a structural diagram of a communication device provided by an embodiment of the present disclosure.
- FIG. 7 is a schematic structural diagram of a chip provided by an embodiment of the present disclosure.
- GSM global system for mobile communications
- CDMA code division multiple access
- WCDMA wideband code division multiple access
- general packet radio service general packet radio service, GPRS
- long term evolution long term evolution
- LTE long term evolution
- LTE frequency division duplex frequency division duplex, FDD
- LTE Time division duplex time division duplex
- TDD time division duplex
- UMTS universal mobile telecommunications system
- WiMAX global interconnection microwave access
- the terminal equipment in the embodiments of the present disclosure may refer to user equipment (user equipment, UE), access terminal, subscriber unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless Communication Device, User Agent, or User Device.
- the terminal can also be a cellular phone, a cordless phone, a session initiation protocol (session initiation protocol, SIP) phone, a wireless local loop (wireless local loop, WLL) station, a personal digital assistant (personal digital assistant, PDA), with a wireless communication function Handheld devices, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminals in the future 5G network or terminals in the future evolved public land mobile network (PLMN), etc. , which is not limited by the embodiments of the present disclosure.
- PLMN public land mobile network
- the network-side device in the embodiment of the present disclosure may be a device for communicating with a terminal device, and the network-side device may be a global system for mobile communications (GSM) system or a code division multiple access (code division multiple access,
- the base transceiver station (BTS) in CDMA) can also be the base station (NodeB, NB) in the wideband code division multiple access (wideband code division multiple access, WCDMA) system, and it can also be the evolved base station in the LTE system (evoled NodeB, eNB or eNodeB), it can also be a wireless controller in a cloud radio access network (cloud radio access network, CRAN) scenario, or the network side device can be a relay station, access point, vehicle-mounted device, wearable
- the device and the network side device (gNodeB, gNB) in the future 5G network or the network side device in the future evolved PLMN network are not limited by the embodiments of the present disclosure.
- the terminal device or the network side device includes a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer.
- the hardware layer includes hardware such as a central processing unit (CPU), a memory management unit (MMU), and memory (also called main memory).
- the operating system may be any one or more computer operating systems that implement business processing through processes, for example, Linux operating system, Unix operating system, Android operating system, iOS operating system, or windows operating system.
- the application layer includes applications such as browsers, address books, word processing software, and instant messaging software.
- the embodiment of the present disclosure does not specifically limit the specific structure of the execution subject of the method provided by the embodiment of the present disclosure, as long as the program that records the code of the method provided by the embodiment of the present disclosure can be executed to provide the
- the execution subject of the method provided by the embodiments of the present disclosure may be a terminal device or a network-side device, or a functional module in a terminal device or a network-side device that can call a program and execute the program.
- FIG. 1 is a structural diagram of a possible communication system 1 to which the present disclosure is applicable.
- the communication system 1 includes a terminal device 1a and a network side device 1b, which are described below:
- Terminal device (terminal device, TD) 1a is a device with wireless transceiver function, which can include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or connected to Other processing devices of the wireless modem, as well as various forms of terminals, mobile station (mobile station, MS), terminal (terminal), user equipment (user equipment, UE), soft terminal, etc.
- Terminals can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on water (such as ships, etc.); they can also be deployed in the air (such as on aircraft, balloons, and satellites, etc.).
- mobile phone mobile phone
- tablet computer pad
- computer with wireless transceiver function virtual reality (virtual reality, VR) terminal
- augmented reality (augmented reality, AR) terminal wireless in industrial control (industrial control) terminal
- wireless terminal in self driving wireless terminal in remote medical
- wireless terminal in smart grid wireless terminal in transportation safety
- smart city smart city
- wireless terminals in smart home etc.
- (wireless) network side equipment (radio access network, (R)AN) 1b a device that provides wireless communication functions for terminals, including but not limited to: next-generation base stations (g nodeB, gNB) in 5G, Evolved node B (evolved node B, eNB), radio network controller (radio network controller, RNC), node B (node B, NB), base station controller (base station controller, BSC), base transceiver station (base transceiver station, BTS), home base station (for example, home evolved nodeB, or home node B, HNB), baseband unit (baseBand unit, BBU), transmission point (transmitting and receiving point, TRP), transmission point (transmitting point, TP) wait.
- next-generation base stations g nodeB, gNB
- Evolved node B evolved node B, eNB
- radio network controller radio network controller
- node B node B
- base station controller base station controller
- the above-mentioned functional device may be a network element in a hardware device, or a software function running on dedicated hardware, or a virtualization function instantiated on a platform (for example, a cloud platform).
- Vehicle networking communication V2X includes V2V, V2I and V2P.
- V2V vehicle-mounted devices
- V2I vehicle-mounted devices
- V2P vehicle-mounted devices
- terminal devices 1a vehicle-mounted devices 1a
- the Internet of Vehicles can effectively improve traffic safety and improve traffic efficiency and enrich people's travel experience.
- Utilizing existing cellular communication technology to support IoV communication can effectively utilize existing network-side equipment deployment, reduce equipment overhead, and be more conducive to providing services with guaranteed quality of service (QoS) to meet the needs of IOV services.
- QoS quality of service
- C-V2x cellular network support for V2X communication of the Internet of Vehicles
- the communication between the vehicle-mounted device (terminal device 1a) and other devices can be transferred through the network-side device 1b and the core network, that is, the communication between the terminal device 1a and the network-side device 1b in the original cellular network Links for communication (uplink, UL/downlink, DL communication); can also communicate directly through direct links between devices (sidelink, SL communication), and SL communication has the characteristics of short delay and low overhead, which is very It is suitable for direct communication between on-board equipment and other peripheral equipment close to the geographical location.
- 5G NR New Radio, New Air Interface
- 3GPP 3rd Generation Partnership Project, Third Generation Partnership Project
- 5G NR New Radio, New Air Interface
- 5G V2X sidelink can provide higher communication rate, shorter communication delay, and more reliable communication quality.
- resource selection based on partial listening is being discussed in Rel-17 as a resource selection method for NRSL power saving.
- the user equipment only monitors in some time units, and correspondingly selects transmission time and frequency resources only in some time units.
- the listening operation when the listening operation conflicts with other SL and/or uplink (uplink, UL) operations, the listening operation will be abandoned.
- resource selection or resource re-evaluation (re-evaluation) and/or resource occupancy (preemption) evaluation based on partial monitoring if the monitoring operation conflicts with other SL and/or UL operations, how to deal with it is an urgent need to solve The problem.
- embodiments of the present disclosure provide a resource selection method, device, and storage medium.
- FIG. 2 is a schematic flowchart of a resource selection method provided by an embodiment of the present disclosure.
- the method is performed by a terminal device, and the method may include but not limited to the following steps:
- S1 In response to the terminal device performing resource selection based on partial monitoring or resource evaluation based on partial monitoring, determine a set of time units that need to be monitored; wherein, resource evaluation based on partial monitoring: includes: resource re-evaluation based on partial monitoring and/or or resource occupancy assessment based on partial monitoring;
- the time unit in the embodiment of the present disclosure may be a physical time unit or a logical time unit; for example, the unit is second, millisecond, microsecond, frame, subframe, time slot (slot), orthogonal frequency division multiplexing ( Orthogonal frequency division multiplexing, OFDM) symbol (symbol), etc.
- the time unit involved in the embodiments of the present disclosure may also be a corresponding sequence number after the time units containing the time-frequency resources in the specific directly connected resource pool are arranged in chronological order and numbered.
- a terminal device UE if a terminal device UE is triggered to perform resource selection based on periodic partial monitoring at a certain time unit n, the terminal device needs to select Y time units in the resource selection window [n+T1, n+T2] .
- this process may be independently selected by the UE.
- the resource selection window [n+T1, n+T2] may be determined according to one or more parameters, and the one or more parameters may be determined based on network side device configuration or communication protocol.
- the start and end positions of the resource selection window can be determined according to the communication protocol; for another example, the start and end positions of the resource selection window can be determined according to the configuration of the network side equipment; and for another example, the start position of the resource selection window can be determined according to the communication protocol or The configuration of the network side device is determined; for another example, the termination position of the resource selection window may be determined according to the communication protocol or the configuration of the network side device.
- Y time units and configured or pre-configured periodic resource reservation information, that is, a set of p reserve values, and other possible configuration information or pre-configuration information (such as pre-configuration information related to the value of k, etc.) , to determine a group of time units that need to be monitored, that is, the set of time units determined according to the trigger resource selection:
- the time unit to be monitored may be located between the time windows [n, m]. Whether the monitoring results of the time units located in this part are used for resource selection or re-evaluation or occupancy evaluation needs further discussion.
- Rel-16 sidelinks support resource re-evaluation and/or resource preemption evaluation mechanisms.
- resource re-evaluation re-evaluation When the estimated time-frequency resources to be transmitted are not reserved by other transmissions, it is called resource re-evaluation re-evaluation; when the evaluated time-frequency resources have been reserved by other transmissions, it is called resource occupancy preemption evaluation .
- Timing of re-evaluation and/or occupancy evaluation assuming that the resource to be transmitted is located in time unit m, re-evaluation and/or occupancy evaluation is performed at least before time unit m-T3 or m-T3. Among them, the value of T3 is used to reserve the time unit.
- the network side device (or terminal device) needs a certain amount of time to process the data between when the network side device (or terminal device) receives the data and prepares to send it, and when it is actually ready to send it. , limited by the capabilities of the device. It is up to user implementation to perform re-evaluation and/or occupancy evaluation at other time units by the end-device. Specifically, the value of T3 may also be determined by protocols and network configurations.
- the process of re-evaluation and/or occupancy evaluation may include: determining a candidate resource set following the same steps as performing resource selection; if the re-evaluated resource does not belong to the candidate resource set, reselecting a resource in the candidate resource set to replace the re-evaluated resource.
- the resources for occupancy evaluation meet the following requirements: reselect the resources in the candidate resource set to replace the resources for occupancy evaluation: determine the resources reserved by SCI (sidelink control information, direct connection control information) obtained during monitoring and occupancy evaluation resources overlap, and the RSRP (reference signal received power) measurement value corresponding to the SCI is higher than the resource exclusion threshold; and the priority of the data to be sent and the monitored SCI meets the system configuration requirements.
- SCI sidelink control information, direct connection control information
- RSRP reference signal received power
- a set of time units to be monitored for re-evaluation and/or occupancy evaluation is further determined.
- the terminal device triggers resource selection in a certain time unit n, and determines a set of time units that need to be monitored.
- the first time unit a in the time unit set may be located after the time unit n.
- the monitoring operation of the terminal device on the first time unit a may conflict with other operations of the terminal device on the first time unit a.
- the terminal device can adjust the selection of Y time units to ensure that there is no conflict in these time units that need to be monitored.
- the terminal device cannot avoid conflicts that may occur at the first time unit a that needs to be monitored after time unit n by adjusting the selected Y time units.
- the monitoring operation when the monitoring operation conflicts with other operations, the monitoring operation will be abandoned.
- resource selection or resource evaluation evaluation includes: re-evaluation and/or occupancy evaluation
- the SCI performs periodic reservation of resources.
- the set of candidate resources is very limited. If resources are excluded due to half-duplex reasons, resources will be wasted and users will not be able to select suitable resources. transmission resources, resulting in a decline in system performance.
- the terminal device according to preset conditions, it is determined whether the terminal device performs the monitoring operation, and according to the determination result, the terminal device is further controlled to perform the monitoring operation or not to perform the monitoring operation.
- the evaluation includes: re-evaluation and/or occupancy evaluation
- determine the set of time units that need to be monitored In response to the fact that the terminal device has a sending and receiving conflict in the first time unit in the time unit set, determine whether the terminal device performs a monitoring operation according to preset conditions; the above scheme can determine whether the terminal device performs a monitoring operation according to preset conditions According to the determination result, the terminal device is further controlled to perform the monitoring operation or not to perform the monitoring operation. In this way, the waste of resources can be avoided, and the system performance can be improved.
- the first time unit selected in the resource selection window for the partial monitoring resource selection is the third time unit;
- a time unit is located after the second time unit or the first time unit is located between the second time unit and the third time unit, and whether the terminal device performs a listening operation is determined according to a preset condition.
- the time of the first time unit selected in the resource selection window for partial monitoring resource selection is the third time unit c
- the first time unit a is located after the second time unit b, or the first time unit a is located between the second time unit b and the third time unit c, and it is determined whether the terminal device performs a listening operation according to preset conditions.
- the terminal device in response to the first time unit a of the terminal device in the time unit set, it is located after the second time unit b when resource selection is triggered, or the first time unit a is located between the second time unit b and the third time unit b During the time unit c, it is determined whether the terminal device performs the monitoring operation according to the preset conditions, and then controls the terminal device to perform the monitoring operation or not to perform the monitoring operation according to the judgment result; in this way, the waste of resources can be avoided, and the system can be improved. performance.
- the transmission and reception conflict of the terminal device at the first time unit includes: the terminal device needs to perform sidelink SL transmission and/or uplink UL transmission operation at the first time unit.
- the terminal device needs to perform side link SL transmission and/or uplink UL transmission operation in the first time unit.
- the terminal device needs to send data, for example: SL transmission and/or UL transmission operation, and
- the first time unit is located in the set of time units that need to be monitored, and the terminal device needs to receive information, which will cause the terminal device to generate a sending and receiving conflict at the first time unit.
- determining whether the terminal device performs the monitoring operation according to the preset condition includes: in response to the preset condition, the monitoring operation is prioritized, and when the SL transmission or UL transmission operation is given up in the first time unit, determine The terminal device performs a monitoring operation.
- the preset condition is to give priority to the monitoring operation, the SL transmission or UL transmission operation in the first time unit is given up.
- the terminal device has a transmission and reception conflict in the first time unit, and the terminal device is determined to monitor Operation, giving up the SL transmission or UL transmission operation in the first time unit.
- the preset condition may be pre-configured, configured by the network side through downlink signaling, or acquired through a protocol predefined method.
- determining whether the terminal device performs the monitoring operation according to preset conditions includes: determining whether the terminal device performs the monitoring operation according to the priority.
- a priority mechanism is set. It may be determined according to the priority whether the terminal device performs a monitoring operation when there is a sending and receiving conflict in the first time unit. Wherein, the lower the value of the priority in NR, the higher the priority, for example: priority 0-7, when the priority is 0, the priority is the highest, and when the priority is 7, the priority is the lowest.
- determining whether the terminal device performs the monitoring operation according to the priority includes: obtaining the first priority for performing SL transmission or UL transmission operation in the first time unit; obtaining the first priority for performing the monitoring operation in the first time unit On the corresponding first resource, the second priority of SL transmission is performed; wherein, the first resource is a resource that has undergone resource selection or resource evaluation; resource evaluation includes: resource re-evaluation and/or resource occupation evaluation; according to the first The priority and/or the second priority determine whether the terminal device performs a monitoring operation.
- obtaining the second priority for performing SL transmission on the first resource corresponding to the monitoring operation performed in the first time unit means that the monitoring operation can be performed through resource selection, resource evaluation (including re-evaluation and/or occupancy assessment) to determine the resource that needs to be monitored; if the resource is also configured for SL transmission, then determine the second priority for performing SL transmission on the resource.
- the first priority for performing the SL transmission operation in the first time unit is acquired; or in response to the terminal device performing the UL transmission operation in the first time unit , to obtain the first priority for performing UL transmission operations in the first time unit.
- the first resource is a resource that has undergone resource selection, acquire the second priority for performing SL transmission on the resource that is selected for the resource corresponding to the monitoring operation at the first time; or, if the first resource is a resource that has undergone resource evaluation In the case of resources, acquire the second priority for performing SL transmission on the resources corresponding to the resource evaluation corresponding to the listening operation at the first time.
- resource evaluation includes: resource re-evaluation and/or resource occupation evaluation.
- resource evaluation is resource re-evaluation
- the resource re-evaluation and resource occupancy evaluation corresponding to the monitoring operation are performed on the second priority of SL transmission.
- the terminal device when the first priority and/or the second priority meet the first specific condition, it is determined that the terminal device performs a listening operation; or, when the first priority and/or the second priority meet the first specific condition In the case of two specific conditions, it is determined that the terminal device does not perform the monitoring operation.
- the first priority and/or the second priority it is further judged whether the first priority and/or the second priority meet the first specific condition or the second specific condition, and determine whether the terminal device is listening operate.
- the first specific condition includes at least one of the following conditions: the first priority is lower than the first priority threshold; the first priority is equal to the first priority threshold; the second priority is higher than the first priority threshold; Two priority thresholds; the second priority is equal to the second priority threshold; the first priority is lower than the second priority.
- the second specific condition includes at least one of the following conditions: the first priority is higher than the first priority threshold; the first priority is equal to the first priority threshold; the second priority is lower than the first priority threshold; Two priority thresholds; the second priority is equal to the second priority threshold; the first priority is higher than the second priority.
- the first priority threshold and the second priority threshold can be set correspondingly according to the actually obtained first priority and second priority. On the basis of meeting the above requirements, they can be set arbitrarily as needed. This disclosure Not specifically limited.
- the downlink control information and/or pre-configuration information of the network side device is received in the embodiments of the present disclosure
- the first specific condition includes: the first priority is lower than the first priority threshold; and/or the first priority is equal to the first priority threshold, acquiring the first priority threshold;
- the first specific condition includes: the second priority is higher than the second priority threshold; and/or the second priority is equal to the second priority threshold, acquiring the second priority threshold;
- the second specific condition includes: the first priority is higher than the first priority threshold; and/or the first priority is equal to the first priority threshold, the first priority threshold is acquired;
- the second specific condition includes: the second priority is lower than the second priority threshold; and/or the second priority is equal to the second priority threshold, acquiring the second priority threshold;
- the first specific condition includes: the first priority is lower than the first priority threshold; and/or the first priority is equal to the first priority threshold; and the second priority is higher than the second priority threshold; and/or or when the second priority is equal to the second priority threshold, acquiring the first priority threshold and the second priority threshold;
- the second specific condition includes: the first priority is higher than the first priority threshold; and/or the first priority is equal to the first priority threshold; and the second priority is lower than the second priority threshold; and/or Or when the second priority is equal to the second priority threshold, acquire the first priority threshold and the second priority threshold.
- the downlink control information of the network side device includes a first priority threshold and a second priority threshold, and the terminal device receives the downlink control information of the network side device to obtain the first priority threshold and the second priority threshold; or, the network side
- the pre-configuration information of the device includes the first priority threshold and the second priority threshold, and the terminal device receives the pre-configuration information of the network-side device to obtain the first priority threshold and the second priority threshold; or, the downlink control of the network-side device
- the information includes a first priority threshold, and the downlink control information includes a second priority threshold, and the terminal device receives the downlink control information and pre-configuration information of the network side device, and acquires the first priority threshold and the second priority threshold; or,
- the downlink control information of the network-side device includes the second priority threshold, and the downlink control information includes the first priority threshold.
- the terminal device receives the downlink control information and pre-configuration information of the network-side device, and obtains the first priority threshold and the second priority threshold.
- the corresponding resource selection or re-evaluation and/or occupancy evaluation when it is determined that the terminal device does not perform the monitoring operation, the corresponding resource selection or re-evaluation and/or occupancy evaluation generates the available candidate resource set and does not exclude the resources corresponding to the first time unit.
- the terminal device has a sending and receiving conflict in the first time unit in the time unit set.
- the terminal device originally needs to transmit data in the first time unit, but the first time unit is in the time unit set and needs to perform a monitoring operation.
- the terminal device gives up the monitoring operation at the first time unit, and performs the operation of transmitting data, and does not perform the second operation when the corresponding resource selection or re-evaluation and/or occupancy evaluation generates an available candidate resource set.
- One time unit corresponds to the exclude operation of the resource.
- FIG. 3 is a schematic flowchart of another resource selection method provided by an embodiment of the present disclosure.
- the method is performed by the network side device, and the method may include but not limited to the following steps:
- S11 Send downlink control information and/or pre-configuration information to the terminal device; wherein, the downlink control information and/or pre-configuration information includes: a first priority threshold and/or a second priority threshold.
- the network side device sends downlink control information and/or pre-configuration information to the terminal device, wherein,
- the downlink control information of the network side device includes a first priority threshold, and the terminal device receives the downlink control information of the network side device to obtain the first priority threshold; or, the downlink control information of the network side device includes a second priority threshold, and the terminal The device receives the downlink control information of the network-side device to obtain the second priority threshold; or, the pre-configuration information of the network-side device includes the first priority threshold, and the terminal device receives the pre-configuration information of the network-side device to obtain the first priority threshold; Or, the pre-configuration information of the network-side device includes the second priority threshold, and the terminal device receives the pre-configuration information of the network-side device to obtain the second priority threshold; or, the downlink control information of the network-side device includes the first priority threshold and the second priority threshold, the terminal device receives the downlink control information of the network side device to obtain the first priority threshold and the second priority threshold; or, the preconfiguration information of the network side device includes the first priority threshold and the second priority threshold The terminal device receives the pre
- the priority threshold the terminal device receives the downlink control information and pre-configuration information of the network side device, and obtains the first priority threshold and the second priority threshold; or, the downlink control information of the network side device includes the second priority threshold, and the downlink The control information includes the first priority threshold, and the terminal device receives the downlink control information and pre-configuration information of the network side device, and acquires the first priority threshold and the second priority threshold.
- the terminal device may perform SL transmission or UL transmission operation at the first time unit according to the first priority; perform at the first time On the first resource corresponding to the monitoring operation, perform the second priority of SL transmission; wherein, the first resource is a resource that has undergone resource selection or resource evaluation; resource evaluation includes: resource re-evaluation and/or resource occupancy evaluation; and Whether to perform a listening operation is determined according to the first priority and/or the second priority, and the first priority threshold and/or the second priority threshold.
- downlink control information and/or pre-configuration information is sent to the terminal device; wherein, the downlink control information and/or pre-configuration information includes: a first priority threshold and/or a second priority threshold, It is possible to judge whether the terminal device performs the monitoring operation, and then control the terminal device to perform the monitoring operation or not to perform the monitoring operation according to the judgment result. In this way, the waste of resources can be avoided, and the system performance can be improved.
- the methods provided in the embodiments of the present disclosure are introduced from the perspectives of the terminal device and the network side device respectively.
- the terminal device and the network side device may include a hardware structure and a software module, and implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module.
- a certain function among the above-mentioned functions may be implemented in the form of a hardware structure, a software module, or a hardware structure plus a software module.
- FIG. 4 is a schematic structural diagram of a resource selection device 10 provided by an embodiment of the present disclosure.
- the resource selection device 10 shown in FIG. 4 may include a transceiver module 11 and a processing module 12 .
- the transceiver module 11 may include a sending module and/or a receiving module, the sending module is used to realize the sending function, the receiving module is used to realize the receiving function, and the sending and receiving module 11 can realize the sending function and/or the receiving function.
- the transceiver module 11 is configured to determine a set of time units that need to be monitored in response to the resource selection based on partial monitoring or the resource evaluation based on partial monitoring by the terminal device; wherein, the resource evaluation based on partial monitoring includes: Resource re-evaluation and/or resource occupancy evaluation based on partial listening.
- the processing module 12 is configured to determine whether the terminal device performs a monitoring operation according to preset conditions when the terminal device has a transmission and reception conflict in the first time unit set in the time unit set.
- the specific manner in which each module executes operations has been described in detail in the embodiment of the method, and will not be described in detail here.
- the resource selection device 10 provided in the above embodiments of the present disclosure achieves the same or similar beneficial effects as the resource selection methods provided in some of the above embodiments, which will not be repeated here.
- FIG. 5 is a schematic structural diagram of a resource selection device 20 provided by an embodiment of the present disclosure.
- the resource selection device 20 shown in FIG. 5 may include a transceiver module 21 .
- the transceiver module 21 may include a sending module and/or a receiving module, the sending module is used to realize the sending function, the receiving module is used to realize the receiving function, and the sending and receiving module 21 can realize the sending function and/or the receiving function.
- the transceiver module 21 is configured to send downlink control information and/or pre-configuration information to the terminal device; wherein, the downlink control information and/or pre-configuration information includes: a first priority threshold and/or a second priority threshold.
- the resource selection device 20 in the above embodiment, the specific manner in which each module executes operations has been described in detail in the embodiment of the method, and will not be described in detail here.
- the resource selection device 20 provided in the above embodiments of the present disclosure achieves the same or similar beneficial effects as the resource selection methods provided in some of the above embodiments, which will not be repeated here.
- FIG. 6 is a schematic structural diagram of another communication device 1000 provided by an embodiment of the present disclosure.
- the communication device 1000 may be a network-side device, or a terminal device, or a chip, a chip system, or a processor that supports the network-side device to implement the above method, or a chip or a chip system that supports the terminal device to implement the above method , or processor, etc.
- the device can be used to implement the methods described in the above method embodiments, and for details, refer to the descriptions in the above method embodiments.
- the communication device 1000 may include one or more processors 1001 .
- the processor 1001 may be a general purpose processor or a special purpose processor or the like. For example, it can be a baseband processor or a central processing unit.
- the baseband processor can be used to process communication protocols and communication data
- the central processing unit can be used to control communication devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.) and execute computer programs , to process data for computer programs.
- the communication device 1000 may further include one or more memories 1002, on which a computer program 1004 may be stored, and the memory 1002 executes the computer program 1004, so that the communication device 1000 executes the methods described in the foregoing method embodiments .
- data may also be stored in the memory 1002 .
- the communication device 1000 and the memory 1002 can be set separately or integrated together.
- the communication device 1000 may further include a transceiver 1005 and an antenna 1006 .
- the transceiver 1005 may be called a transceiver unit, a transceiver, or a transceiver circuit, etc., and is used to realize a transceiver function.
- the transceiver 1005 may include a receiver and a transmitter, and the receiver may be called a receiver or a receiving circuit for realizing a receiving function; the transmitter may be called a transmitter or a sending circuit for realizing a sending function.
- the communication device 1000 may further include one or more interface circuits 1007 .
- the interface circuit 1007 is used to receive code instructions and transmit them to the processor 1001 .
- the processor 1001 runs the code instructions to enable the communication device 1000 to execute the methods described in the foregoing method embodiments.
- the communication device 1000 is a terminal device: the transceiver 1005 is used to execute S1 in FIG. 2 .
- the processor 1001 is configured to execute S2 in FIG. 2 .
- the communication apparatus 1000 is a network side device: the transceiver 1005 is used to execute S11 in FIG. 3 .
- the processor 1001 may include a transceiver for implementing receiving and sending functions.
- the transceiver may be a transceiver circuit, or an interface, or an interface circuit.
- the transceiver circuits, interfaces or interface circuits for realizing the functions of receiving and sending can be separated or integrated together.
- the above-mentioned transceiver circuit, interface or interface circuit may be used for reading and writing code/data, or the above-mentioned transceiver circuit, interface or interface circuit may be used for signal transmission or transfer.
- the processor 1001 may store a computer program 1003, and the computer program 1003 runs on the processor 1001 to enable the communication device 1000 to execute the methods described in the foregoing method embodiments.
- the computer program 1003 may be solidified in the processor 1001, and in this case, the processor 1001 may be implemented by hardware.
- the communication device 1000 may include a circuit, and the circuit may implement the function of sending or receiving or communicating in the foregoing method embodiments.
- the processors and transceivers described in this disclosure can be implemented on integrated circuits (integrated circuits, ICs), analog ICs, radio frequency integrated circuits (RFICs), mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board, PCB), electronic equipment, etc.
- the processor and transceiver can also be fabricated using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), nMetal-oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (bipolar junction transistor, BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
- CMOS complementary metal oxide semiconductor
- NMOS nMetal-oxide-semiconductor
- PMOS P-type Metal oxide semiconductor
- BJT bipolar junction transistor
- BiCMOS bipolar CMOS
- SiGe silicon germanium
- GaAs gallium arsenide
- the communication device described in the above embodiments may be a terminal device (such as the terminal device in the aforementioned method embodiments), but the scope of the communication device described in this disclosure is not limited thereto, and the structure of the communication device may not be changed from that shown in Figure 6. limit.
- a communication device may be a stand-alone device or may be part of a larger device.
- the communication device may be:
- a set of one or more ICs may also include storage components for storing data and computer programs;
- ASIC such as modem (Modem);
- FIG. 7 is a structural diagram of a chip provided in an embodiment of the present disclosure.
- a chip 1100 includes a processor 1101 and an interface 1103 .
- the number of processors 1101 may be one or more, and the number of interfaces 1103 may be more than one.
- Interface 1103 configured to receive code instructions and transmit them to the processor.
- the processor 1101 is configured to run code instructions to execute the resource selection method as described in some of the above embodiments.
- Interface 1103 configured to receive code instructions and transmit them to the processor.
- the processor 1101 is configured to run code instructions to execute the resource selection method as described in some of the above embodiments.
- the chip 1100 also includes a memory 1102 for storing necessary computer programs and data.
- the present disclosure also provides a readable storage medium on which instructions are stored, and when the instructions are executed by a computer, the functions of any one of the above method embodiments are realized.
- the present disclosure also provides a computer program product, which implements the functions of any one of the above method embodiments when the computer program product is executed by a computer.
- all or part of them may be implemented by software, hardware, firmware or any combination thereof.
- software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
- the computer program product comprises one or more computer programs. When the computer program is loaded and executed on the computer, all or part of the processes or functions according to the embodiments of the present disclosure will be generated.
- the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable devices.
- the computer program can be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer program can be downloaded from a website, computer, server or data center Transmission to another website site, computer, server or data center by wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.).
- the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server or a data center integrated with one or more available media.
- the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a high-density digital video disc (digital video disc, DVD)), or a semiconductor medium (for example, a solid state disk (solid state disk, SSD)) etc.
- a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
- an optical medium for example, a high-density digital video disc (digital video disc, DVD)
- a semiconductor medium for example, a solid state disk (solid state disk, SSD)
- At least one in the present disclosure can also be described as one or more, and a plurality can be two, three, four or more, and the present disclosure is not limited.
- the technical feature is distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc.
- the technical features described in the “first”, “second”, “third”, “A”, “B”, “C” and “D” have no sequence or order of magnitude among the technical features described.
- “A and/or B” includes the following three combinations: A only, B only, and a combination of A and B.
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Abstract
一种资源选择方法、装置和存储介质,可以应用于车联网、V2X、V2V等系统中,该方法包括:响应于终端设备进行基于部分监听的资源选择或者基于部分监听的资源评估,确定需要进行监听的时间单元集合,其中,基于部分监听的资源评估包括:基于部分监听的资源重评估和/或基于部分监听的资源占用评估(S1);在终端设备在时间单元集合中的第一时间单元存在收发冲突的情况下,根据预设条件判定终端设备是否进行监听操作(S2)。通过实施该方法,可以避免造成资源的浪费,进而提升系统性能。
Description
本公开涉及通信技术领域,尤其涉及一种资源选择方法、装置和存储介质。
随着5G NR(New Radio,新空口)技术的发展,提出一种基于部分监听的资源选择方式,作为NR侧链路(sidelink,SL)节电的一种资源选择方法,终端设备只在部分时间单元内进行监听,并在部分时间单元内选择传输时间频率资源。
而根据目前基于全监听的方法,当监听操作和其他SL和/或上行链路(uplink,UL)或其他操作发生冲突时,会放弃监听操作。但是对于基于部分监听的资源选择或者资源重评估(re-evaluation)和/或资源占用(preemption)评估,如果监听操作和其他SL和/或UL操作发生冲突,应当如何处理,这是亟需解决的问题。
发明内容
本公开实施例提供一种资源选择方法、装置和存储介质,可以应用于车联网,例如车与任何事物(vehicle to everything,V2X)通信、车间通信长期演进技术(long term evolution-vehicle,LTE-V)、车辆与车辆(vehicle to vehicle,V2V)通信等,或可以用于智能驾驶,智能网联车等领域,可以根据预设条件,对终端设备是否进行监听操作进行判定,根据判定结果,进而控制终端设备进行监听操作或者不进行监听操作,通过这种方式,可以避免造成资源的浪费,进而提升系统性能。
第一方面,本公开实施例提供一种资源选择方法,该方法由终端设备执行,该方法包括:响应于终端设备进行基于部分监听的资源选择或者基于部分监听的资源评估,确定需要进行监听的时间单元集合;其中,所述基于部分监听的资源评估,包括:基于部分监听的资源重评估和/或基于部分监听的资源占用评估;在所述终端设备在所述时间单元集合中的所述第一时间单元存在收发冲突的情况下,根据预设条件判定所述终端设备是否进行监听操作。
在该技术方案中,可以根据预设条件,对终端设备是否进行监听操作进行判定,根据判定结果,进而控制终端设备进行监听操作或者不进行监听操作,通过这种方式,可以避免造成资源的浪费,进而提升系统性能。
在一些实施例中,所述方法,还包括:响应于基于部分监听的资源选择被触发的时间为第二时间单元,进行部分监听的资源选择在资源选择窗口中选择的首个时间单元的时间为第三时间单元,在第一时间单元位于第二时间单元之后,或者第一时间单元位于第二时间单元和第三时间单元之间的情况下,根据预设条件判定所述终端设备是否进行监听操作。
在一些实施例中,所述终端设备在所述第一时间单元存在收发冲突,包括:所述终端设备需要在所述第一时间单元进行侧链路SL传输和/或上行链路UL传输操作。
在一些实施例中,所述根据预设条件判定所述终端设备是否进行监听操作,包括:响应于在所述预设条件为优先进行监听操作,且放弃在所述第一时间单元进行SL传输或者UL传输操作;确定所述终端设备进行监听操作。
在一些实施例中,所述根据预设条件判定所述终端设备是否进行监听操作,包括:根据优先级判定 所述终端设备是否进行监听操作。
在一些实施例中,所述根据优先级判定所述终端设备是否进行监听操作,包括:获取在所述第一时间单元进行SL传输或者UL传输操作的第一优先级;获取在所述第一时间单元进行监听操作所对应的第一资源上,进行SL传输的第二优先级;其中,所述第一资源为经过资源选择或者资源评估的资源;所述资源评估,包括:资源重评估和/或资源占用评估;根据所述第一优先级和/或所述第二优先级,判定所述终端设备是否进行监听操作。
在一些实施例中,所述根据所述第一优先级和/或所述第二优先级,判定所述终端设备是否进行监听操作,包括:在所述第一优先级和/或所述第二优先级满足第一特定条件的情况下,判定所述终端设备进行监听操作;或者,在所述第一优先级和/或所述第二优先级满足第二特定条件的情况下,判定所述终端设备不进行监听操作。
在一些实施例中,所述第一特定条件,包括以下条件中的至少一者:所述第一优先级低于第一优先级阈值;所述第一优先级等于第一优先级阈值;所述第二优先级高于第二优先级阈值;所述第二优先级等于第二优先级阈值;所述第一优先级低于所述第二优先级。
在一些实施例中,所述第二特定条件,包括以下条件中的至少一者:所述第一优先级高于第一优先级阈值;所述第一优先级等于第一优先级阈值;所述第二优先级低于第二优先级阈值;所述第二优先级等于第二优先级阈值;所述第一优先级高于所述第二优先级。
在一些实施例中,所述方法,还包括:接收网络侧设备的下行控制信息和/或预配置信息;在所述第一特定条件包括:所述第一优先级低于第一优先级阈值;和/或所述第一优先级等于第一优先级阈值的情况下,获取所述第一优先级阈值;或者,在所述第一特定条件包括:所述第二优先级高于第二优先级阈值;和/或所述第二优先级等于第二优先级阈值的情况下,获取所述第二优先级阈值;或者,在所述第二特定条件包括:所述第一优先级高于第一优先级阈值;和/或所述第一优先级等于第一优先级阈值的情况下,获取所述第一优先级阈值;或者,在所述第二特定条件包括:所述第二优先级低于第二优先级阈值;和/或所述第二优先级等于第二优先级阈值的情况下,获取所述第二优先级阈值;或者,在所述第一特定条件包括:所述第一优先级低于第一优先级阈值;和/或所述第一优先级等于第一优先级阈值;以及所述第二优先级高于第二优先级阈值;和/或所述第二优先级等于第二优先级阈值的情况下,获取所述第一优先级阈值和所述第二优先级阈值;或者,在所述第二特定条件包括:所述第一优先级高于第一优先级阈值;和/或所述第一优先级等于第一优先级阈值;以及所述第二优先级低于第二优先级阈值;和/或所述第二优先级等于第二优先级阈值的情况下,获取所述第一优先级阈值和所述第二优先级阈值。
在一些实施例中,所述方法,还包括:在判定所述终端设备不进行监听操作的情况下,在对应的资源选择或者重评估和/或占用评估生成可用候选资源集合时不进行所述第一时间单元对应资源的排除操作。
第二方面,本公开实施例提供另一种资源选择方法,所述方法由网络侧设备执行,该方法包括:向终端设备发送下行控制信息和/或预配置信息;其中,所述下行控制信息和/或所述预配置信息中,包括:第一优先级阈值和/或第二优先级阈值。
第三方面,本公开实施例提供一种资源选择装置,该资源选择装置具有实现上述第一方面所述的方法中终端设备的部分或全部功能,比如资源选择装置的功能可具备本公开中的部分或全部实施例中的功 能,也可以具备单独实施本公开中的任一个实施例的功能。所述功能可以通过硬件实现,也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元或模块。
在一种实现方式中,该资源选择装置的结构中可包括收发模块和处理模块,所述处理模块被配置为支持通信装置执行上述方法中相应的功能。所述收发模块用于支持通信装置与其他设备之间的通信。所述通信装置还可以包括存储模块,所述存储模块用于与收发模块和处理模块耦合,其保存通信装置必要的计算机程序和数据。
作为示例,处理模块可以为处理器,收发模块可以为收发器或通信接口,存储模块可以为存储器。
在一种实现方式中,该资源选择装置,包括:收发模块,用于响应于终端设备进行基于部分监听的资源选择或者基于部分监听的资源评估,确定需要进行监听的时间单元集合;其中,所述基于部分监听的资源评估,包括:基于部分监听的资源重评估和/或基于部分监听的资源占用评估;;处理模块,用于在所述终端设备在所述时间单元集合中的所述第一时间单元存在收发冲突的情况下,根据预设条件判定所述终端设备是否进行监听操作。
第四方面,本公开实施例提供另一种资源选择装置,该资源选择装置具有实现上述第二方面所述的方法示例中网络侧设备的部分或全部功能,比如资源选择装置的功能可具备本公开中的部分或全部实施例中的功能,也可以具备单独实施本公开中的任一个实施例的功能。所述功能可以通过硬件实现,也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元或模块。
在一种实现方式中,该资源选择装置的结构中可包括收发模块和处理模块,该处理模块被配置为支持通信装置执行上述方法中相应的功能。收发模块用于支持通信装置与其他设备之间的通信。所述通信装置还可以包括存储模块,所述存储模块用于与收发模块和处理模块耦合,其保存通信装置必要的计算机程序和数据。
在一种实现方式中,所述资源选择装置包括:收发模块,用于向终端设备发送下行控制信息和/或预配置信息;其中,所述下行控制信息和/或所述预配置信息中,包括:第一优先级阈值和/或所述第二优先级阈值。
第五方面,本公开实施例提供一种通信装置,该通信装置包括处理器,当该处理器调用存储器中的计算机程序时,执行上述第一方面所述的方法。
第六方面,本公开实施例提供一种通信装置,该通信装置包括处理器,当该处理器调用存储器中的计算机程序时,执行上述第二方面所述的方法。
第七方面,本公开实施例提供一种通信装置,该通信装置包括处理器和存储器,该存储器中存储有计算机程序;所述处理器执行该存储器所存储的计算机程序,以使该通信装置执行上述第一方面所述的方法。
第八方面,本公开实施例提供一种通信装置,该通信装置包括处理器和存储器,该存储器中存储有计算机程序;所述处理器执行该存储器所存储的计算机程序,以使该通信装置执行上述第二方面所述的方法。
第九方面,本公开实施例提供一种通信装置,该装置包括处理器和接口电路,该接口电路用于接收代码指令并传输至该处理器,该处理器用于运行所述代码指令以使该装置执行上述第一方面所述的方法。
第十方面,本公开实施例提供一种通信装置,该装置包括处理器和接口电路,该接口电路用于接收代码指令并传输至该处理器,该处理器用于运行所述代码指令以使该装置执行上述第二方面所述的方法。
第十一方面,本公开实施例提供一种资源选择系统,该系统包括第三方面所述的通信装置以及第四方面所述的通信装置,或者,该系统包括第五方面所述的通信装置以及第六方面所述的通信装置,或者,该系统包括第七方面所述的通信装置以及第八方面所述的通信装置,或者,该系统包括第九方面所述的通信装置以及第十方面所述的通信装置。
第十二方面,本发明实施例提供一种计算机可读存储介质,用于储存为上述终端设备所用的指令,当所述指令被执行时,使所述终端设备执行上述第一方面所述的方法。
第十三方面,本发明实施例提供一种可读存储介质,用于储存为上述网络侧设备所用的指令,当所述指令被执行时,使所述网络侧设备执行上述第二方面所述的方法。
第十四方面,本公开还提供一种包括计算机程序的计算机程序产品,当其在计算机上运行时,使得计算机执行上述第一方面所述的方法。
第十五方面,本公开还提供一种包括计算机程序的计算机程序产品,当其在计算机上运行时,使得计算机执行上述第二方面所述的方法。
第十六方面,本公开提供一种芯片系统,该芯片系统包括至少一个处理器和接口,用于支持终端设备实现第一方面所涉及的功能,例如,确定或处理上述方法中所涉及的数据和信息中的至少一种。在一种可能的设计中,所述芯片系统还包括存储器,所述存储器,用于保存终端设备必要的计算机程序和数据。该芯片系统,可以由芯片构成,也可以包括芯片和其他分立器件。
第十七方面,本公开提供一种芯片系统,该芯片系统包括至少一个处理器和接口,用于支持网络侧设备实现第二方面所涉及的功能,例如,确定或处理上述方法中所涉及的数据和信息中的至少一种。在一种可能的设计中,所述芯片系统还包括存储器,所述存储器,用于保存网络侧设备必要的计算机程序和数据。该芯片系统,可以由芯片构成,也可以包括芯片和其他分立器件。
第十八方面,本公开提供一种计算机程序,当其在计算机上运行时,使得计算机执行上述第一方面所述的方法。
第十九方面,本公开提供一种计算机程序,当其在计算机上运行时,使得计算机执行上述第二方面所述的方法。
为了更清楚地说明本公开实施例或背景技术中的技术方案,下面将对本公开实施例或背景技术中所需要使用的附图进行说明。
图1是本公开实施例提供的一种通信系统的架构图;
图2是本公开实施例提供的一种资源选择方法的流程图;
图3是本公开实施例提供的另一种资源选择方法的流程图;
图4是本公开实施例提供的一种资源选择装置的结构图;
图5是本公开实施例提供的另一种资源选择装置的结构图;
图6是本公开实施例提供的一种通信装置的结构图;
图7是本公开实施例提供的一种芯片的结构示意图。
为了更好的理解本公开实施例公开的一种资源选择方法和装置,下面首先对本公开实施例适用的通信系统进行描述。
本公开实施例的技术方案可以应用于各种通信系统,例如:全球移动通信(global system for mobile communications,GSM)系统、码分多址(code division multiple access,CDMA)系统、宽带码分多址(wideband code division multiple access,WCDMA)系统、通用分组无线业务(general packet radio service,GPRS)、长期演进(long term evolution,LTE)系统、LTE频分双工(frequency division duplex,FDD)系统、LTE时分双工(time division duplex,TDD)、通用移动通信系统(universal mobile telecommunication system,UMTS)、全球互联微波接入(worldwide interoperability for microwave access,WiMAX)通信系统、未来的第五代(5th generation,5G)系统或新无线(new radio,NR)等。
本公开实施例中的终端设备可以指用户设备(user equipment,UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。终端还可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol,SIP)电话、无线本地环路(wireless local loop,WLL)站、个人数字助理(personal digital assistant,PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备,未来5G网络中的终端或者未来演进的公用陆地移动通信网络(public land mobile network,PLMN)中的终端等,本公开实施例对此并不限定。
本公开实施例中的网络侧设备可以是用于与终端设备通信的设备,该网络侧设备可以是全球移动通信(global system for mobile communications,GSM)系统或码分多址(code division multiple access,CDMA)中的基站(base transceiver station,BTS),也可以是宽带码分多址(wideband code division multiple access,WCDMA)系统中的基站(NodeB,NB),还可以是LTE系统中的演进型基站(evoled NodeB,eNB或eNodeB),还可以是云无线接入网络(cloud radio access network,CRAN)场景下的无线控制器,或者该网络侧设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络侧设备(gNodeB,gNB)或者未来演进的PLMN网络中的网络侧设备等,本公开实施例并不限定。
在本公开实施例中,终端设备或网络侧设备包括硬件层、运行在硬件层之上的操作系统层,以及运行在操作系统层上的应用层。该硬件层包括中央处理器(central processing unit,CPU)、内存管理单元(memory management unit,MMU)和内存(也称为主存)等硬件。该操作系统可以是任意一种或多种通过进程(process)实现业务处理的计算机操作系统,例如,Linux操作系统、Unix操作系统、Android操作系统、iOS操作系统或windows操作系统等。该应用层包含浏览器、通讯录、文字处理软件、即时通信软件等应用。并且,本公开实施例并未对本公开实施例提供的方法的执行主体的具体结构特别限定,只要能够通过运行记录有本公开实施例的提供的方法的代码的程序,以根据本公开实施例提供的方法进行通信即可,例如,本公开实施例提供的方法的执行主体可以是终端设备或网络侧设备,或者,是终端设备或网络侧设备中能够调用程序并执行程序的功能模块。
请参见图1,为本公开适用的一种可能的通信系统1的结构图。
如图1所示,通信系统1包括终端设备1a以及网络侧设备1b,下面分别进行说明:
1、终端设备(terminal device,TD)1a:简称为终端,是一种具有无线收发功能的设备,可以包括各种具有无线通信功能的手持设备、车载设备、可穿戴设备、计算设备或连接到无线调制解调器的其它处理设备,以及各种形式的终端,移动台(mobile station,MS),终端(terminal),用户设备(user equipment, UE),软终端等等。终端可以部署在陆地上,包括室内或室外、手持或车载;也可以部署在水面上(如轮船等);还可以部署在空中(例如飞机、气球和卫星上等)。例如,手机(mobile phone)、平板电脑(pad)、带无线收发功能的电脑、虚拟现实(virtual reality,VR)终端、增强现实(augmented reality,AR)终端、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程医疗(remote medical)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等。
2、(无线)网络侧设备(radio access network,(R)AN)1b:是一种为终端提供无线通信功能的设备,包括但不限于:5G中的下一代基站(g nodeB,gNB)、演进型节点B(evolved node B,eNB)、无线网络控制器(radio network controller,RNC)、节点B(node B,NB)、基站控制器(base station controller,BSC)、基站收发台(base transceiver station,BTS)、家庭基站(例如,home evolved nodeB,或home node B,HNB)、基带单元(baseBand unit,BBU)、传输点(transmitting and receiving point,TRP)、发射点(transmitting point,TP)等。
可以理解的是,上述功能设备既可以是硬件设备中的网络元件,也可以是在专用硬件上运行软件功能,或者是平台(例如,云平台)上实例化的虚拟化功能。
需要说明的是,本公开实施例描述的通信系统是为了更加清楚的说明本公开实施例的技术方案,并不构成对于本公开实施例提供的技术方案的限定,本领域普通技术人员可知,随着系统架构的演变和新业务场景的出现,本公开实施例提供的技术方案对于类似的技术问题,同样适用。
新一代的新型互联网应用的不断涌现对于无线通信技术提出了更高的要求,驱使无线通信技术的不断演进以满足应用的需求。
车联网通信V2X包括V2V,V2I和V2P。通过支持车载设备间(V2V),车载设备和路边设备间(V2I),车载设备和手持设备间(V2P)的通信,车载设备可以指终端设备1a,车联网可以有效提升交通安全,改善交通效率以及丰富人们的出行体验。利用现有的蜂窝通信技术支持车联网通信可以有效利用现有网络侧设备部署,减少设备开销,也更有利于提供具有服务质量(QoS)保证的服务,满足车联网业务的需求。
因此,在LTE(Long Term Evolution,长期演进)Rel-14/15中提供了蜂窝网络对于车联网V2X通信的支持,即C-V2x(cellular based V2x)。在C-V2x中车载设备(终端设备1a)和其他设备之间的通信可以通过网络侧设备1b以及核心网进行中转,即利用原有蜂窝网络中终端设备1a和网络侧设备1b之间的通信链路进行通信(uplink,UL/downlink,DL通信);也可以直接通过设备之间的直连链路进行通信(sidelink,SL通信),并且SL通信具有时延短,开销小等特点,非常适合用于车载设备和地理位置接近的其他周边设备直接的通信。
随着新一代5G移动通信技术的发展,在3GPP(3rd Generation Partnership Project,第三代合作伙伴计划)Rel-16中利用5G NR(New Radio,新空口)技术实现了对新的V2X通信服务和场景的支持,如车队管理(vehicles platooning),感知扩展(extended sensors),先进驾驶(advanced driving),和远程驾驶(remote driving)等。总体来说,5G V2X sidelink能够提供更高的通信速率,更短的通信延时,更可靠的通信质量。基于此后续还会继续讨论如何进一步优化,如降低用户设备能耗,提升可靠性,降低延迟等。
目前,Rel-17中正在讨论基于部分监听的资源选择,作为NR SL节电的一种资源选择方法。用户设备只在部分时间单元内进行监听,相应的也只在部分时间单元内选择传输时间频率资源。
根据目前基于全监听的方法,当监听操作和其他SL和/或上行链路(uplink,UL)操作发生冲突时,会放弃监听操作。但是对于基于部分监听的资源选择或者资源重评估(re-evaluation)和/或资源占用(preemption)评估,如果监听操作和其他SL和/或UL操作发生冲突,应当如何处理,这是亟需解决的问题。
基于此,本公开实施例提供一种资源选择方法、装置和存储介质。
下面结合附图对本公开所提供的资源选择方法、装置和存储介质进行详细地介绍。
请参见图2,图2是本公开实施例提供的一种资源选择方法的流程示意图。
如图2所示,该方法由终端设备执行,该方法可以包括但不限于如下步骤:
S1:响应于终端设备进行基于部分监听的资源选择或者基于部分监听的资源评估,确定需要进行监听的时间单元集合;其中,基于部分监听的资源评估:包括:基于部分监听的资源重评估和/或基于部分监听的资源占用评估;。
其中,本公开实施例中时间单元可能是物理时间单元,也可能是逻辑时间单元;例如单位为秒,毫秒,微秒,帧,子帧,时隙(slot),正交频分复用(orthogonal frequency division multiplexing,OFDM)符号(symbol)等。本公开实施例中涉及的时间单元也可以是将含有特定直连资源池中的时频资源的时间单元按照时间顺序进行排列并编序号后对应的序号。
示例性实施例中,若终端设备UE在某一时间单元n被触发进行基于周期性部分监听的资源选择,终端设备需要在资源选择窗口[n+T1,n+T2]中选择Y个时间单元。在一些可能的实现方式中,此过程可以是UE自主进行选择。其中,资源选择窗口[n+T1,n+T2]可以根据一个或多个参数确定,且该一个或多个参数可以基于网络侧设备配置确定或通信协议确定。例如,资源选择窗口的起止位置,都可以根据通信协议确定;再例如,资源选择窗口的起止位置,都可以根据网络侧设备配置确定;又例如,资源选择窗口的起始位置可以根据通信协议或网络侧设备配置确定;又例如,资源选择窗口的终止位置可以根据通信协议或网络侧设备配置确定。
进而根据Y个时间单元,以及配置或者预配置的周期性资源预留信息,即p
reserve取值集合,以及其他可能的配置信息或者预配置信息(例如k的取值相关的预配置信息等),决定一组需要进行监听的时间单元,即根据触发资源选择确定的时间单元集合:
另外,假设Y个时间单元的最早一个时间单元为时间单元m,需要监听的时间单元可能位于时间窗[n,m]之间。位于这一部分的时间单元的监听结果用于资源选择或者重评估还是占用评估需要进一步讨论。
当前Rel-16 sidelink中支持资源重评估(re-evaluation)和/或资源占用(preemption)评估机制。当所评估的待传输时频资源并未被其他传输所预留的时候,称为资源重评估re-evaluation;当所评估的时频资源已经被其他传输所预留的时候,称为资源占用preemption评估。重评估和/或占用评估的时机:假设待传输资源位于时间单元m,至少在时间单元m-T3或m-T3之前进行重评估和/或占用评估。其中,T3的取值用于预留时间单元,在不同情况下,网络侧设备(或者终端设备)在接收到数据准备发送,到真正准备好发送,这之间终端设备处理数据需要一定的时间,受到设备能力的限制。终端设备在其他时间 单元进行重评估和/或占用评估取决于用户实现。具体的,T3的取值还可以由协议和网络配置进行决定。
重评估和/或占用评估的流程可以包括:按照执行资源选择相同的步骤确定候选资源集合;如果重评估的资源不属于候选资源集合,在候选资源集合中重新选择资源取代重评估的资源。
或者,如果占用评估的资源满足如下需求,在候选用资源集合中重新选择资源取代占用评估的资源:确定监听时得到的SCI(sidelink control information,直连控制信息)所预留的资源和占用评估的资源重合,且该SCI对应的RSRP(reference signal received power,参考信号接收功率)测量值高于资源排除的阈值;而且待发送的数据和监听到的SCI中的优先级满足系统配置要求。
本公开实施例中,根据重评估和/或占用评估的上述处理,进一步确定重评估和/或占用评估需要进行监听的时间单元集合。
S2:在终端设备在时间单元集合中的第一时间单元存在收发冲突的情况下,根据预设条件判定终端设备是否进行监听操作。
本公开实施例中,终端设备在某一时间单元n中触发资源选择,并确定了需要监听的时间单元集合。其中,时间单元集合中的第一时间单元a可能位于该时间单元n之后。终端设备在第一时间单元a上的监听操作有可能会和终端设备在第一时间单元a上的其他操作发生冲突。
对于时间单元n之前需要监听的时间单元,终端设备可以通过调整Y个时间单元的选择,保证这些需要监听的时间单元上不存在冲突。但是由于在时间单元n无法预测未来的时间单元上的操作,终端设备无法通过调整选择的Y个时间单元来避免在时间单元n之后的需要监听的第一时间单元a上可能会发生的冲突。
并且按照相关的基于全监听的方法,当监听操作和其他操作发生冲突时,会放弃监听操作。当资源选择或资源评估(评估包括:重评估和/或占用评估)的时候,对于由于收发冲突无法监听的第一时间单元a,需要在候选资源集中去除所有可能通过该第一时间单元a内的SCI进行周期性预留的资源。但是对于基于部分监听的资源选择或基于部分监听的资源评估,其候选资源集合本身就是非常受限的,如果因为半双工的原因进行资源排除,会造成资源的浪费,使用户无法选择到合适的传输资源,造成系统性能的下降。
本公开实施例中,根据预设条件,对终端设备是否进行监听操作进行判定,根据判定结果,进而控制终端设备进行监听操作或者不进行监听操作。
通过本公开实施例提供的资源选择方法,响应于终端设备进行基于部分监听的资源选择或基于部分监听的资源评估(评估包括:重评估和/或占用评估),确定需要进行监听的时间单元集合;响应于终端设备在时间单元集合中的第一时间单元存在收发冲突的情况,根据预设条件判定终端设备是否进行监听操作;上述方案可以根据预设条件,对终端设备是否进行监听操作进行判定,根据判定结果,进而控制终端设备进行监听操作或者不进行监听操作,通过这种方式,可以避免造成资源的浪费,进而提升系统性能。
在一些实施例中,响应于基于部分监听的资源选择被触发的时间为第二时间单元,进行部分监听的资源选择在资源选择窗口中选择的首个时间单元的时间为第三时间单元;第一时间单元位于第二时间单元之后或者第一时间单元位于第二时间单元和第三时间单元之间,根据预设条件判定所述终端设备是否进行监听操作。
示例性实施例中,响应于基于部分监听的资源选择被触发的时间为第二时间单元b,进行部分监听 的资源选择在资源选择窗口中选择的首个时间单元的时间为第三时间单元c,第一时间单元a位于第二时间单元b之后,或者第一时间单元a位于第二时间单元b和第三时间单元c之间,根据预设条件判定终端设备是否进行监听操作。
本公开实施例中,响应于终端设备在时间单元集合中的第一时间单元a,位于资源选择被触发的第二时间单元b之后,或者第一时间单元a位于第二时间单元b和第三时间单元c之间,根据预设条件判定终端设备是否进行监听操作,根据判定结果,进而控制终端设备进行监听操作或者不进行监听操作;通过这种方式,可以避免造成资源的浪费,进而提升系统性能。
在一些实施例中,终端设备在第一时间单元存在收发冲突,包括:终端设备需要在第一时间单元进行侧链路SL传输和/或上行链路UL传输操作。
可以理解的是,终端设备需要在第一时间单元进行侧链路SL传输和/或上行链路UL传输操作,此时,终端设备需要发送数据,例如:SL传输和/或UL传输操作,而第一时间单元位于需要进行监听的时间单元集合中,终端设备需要接收信息,就会导致终端设备在第一时间单元产生收发冲突。
在一些实施例中,根据预设条件判定终端设备是否进行监听操作,包括:响应于预设条件为优先进行监听操作,且放弃在第一时间单元进行SL传输或者UL传输操作的情况下,确定终端设备进行监听操作。
可以理解的是,预设条件若为优先进行监听操作,放弃在第一时间单元进行SL传输或者UL传输操作,在此情况下,终端设备在第一时间单元存在收发冲突,判定终端设备进行监听操作,放弃在第一时间单元进行SL传输或者UL传输操作。该预设条件可以通过预配置、由网络侧通过下行信令配置、或者通过协议预定义的方法获取。
在一些实施例中,根据预设条件判定终端设备是否进行监听操作,包括:根据优先级判定终端设备是否进行监听操作。
可以理解的是,在NR(New Radio,新无线)技术中,设置了优先级机制。可以根据优先级,判断终端设备在第一时间单元存在收发冲突时,终端设备是否进行监听操作。其中,在NR中优先级的数值越低,优先级越高,例如:优先级0-7,优先级为0时,优先级最高,优先级为7时,优先级最低。
具体的,在一些实施例中,根据优先级判定终端设备是否进行监听操作,包括:获取在第一时间单元进行SL传输或者UL传输操作的第一优先级;获取在第一时间单元进行监听操作所对应的第一资源上,进行SL传输的第二优先级;其中,第一资源为经过资源选择或者资源评估的资源;资源评估,包括:资源重评估和/或资源占用评估;根据第一优先级和/或第二优先级,判定终端设备是否进行监听操作。换句话说,“获取在第一时间单元进行监听操作所对应的第一资源上,进行SL传输的第二优先级”是指:监听操作可以通过资源选择、资源评估(包括重评估和/或占用评估)确定需要监听的资源;该资源还被配置为用于SL传输,则确定在该资源上进行SL传输的第二优先级。
本公开实施例中,响应于终端设备在第一时间单元进行SL传输操作,获取在第一时间单元进行SL传输操作的第一优先级;或者响应于终端设备在第一时间单元进行UL传输操作,获取在第一时间单元进行UL传输操作的第一优先级。
在第一资源为经过资源选择的资源的情况下,获取在第一时间进行监听操作所对应的资源选择的资源上,进行SL传输的第二优先级;或者,在第一资源为经过资源评估的资源的情况下,获取在第一时间进行监听操作所对应的资源评估的资源上,进行SL传输的第二优先级。
其中,资源评估,包括:资源重评估和/或资源占用评估。
在资源评估为资源重评估的情况下,获取在第一时间进行监听操作所对应的资源重评估的资源上,进行SL传输的第二优先级;或者,在资源评估为资源占用评估的情况下,获取在第一时间进行监听操作所对应的资源占用评估的资源上,进行SL传输的第二优先级;或者,在资源评估为资源重评估和资源占用评估的情况下,获取在第一时间进行监听操作所对应的资源重评估和资源占用评估的资源上,进行SL传输的第二优先级。
基于此,根据获取的第一优先级和/或第二优先级,进一步判定终端设备是否进行监听操作。
在一些实施例中,在第一优先级和/或第二优先级满足第一特定条件的情况下,判定终端设备进行监听操作;或者,在第一优先级和/或第二优先级满足第二特定条件的情况下,判定终端设备不进行监听操作。
本公开实施例中,根据第一优先级和/或第二优先级,进而判断第一优先级和/或第二优先级是否满足第一特定条件或者第二特定条件,判定终端设备是否进行监听操作。
在一些实施例中,第一特定条件,包括以下条件中的至少一者:第一优先级低于第一优先级阈值;第一优先级等于第一优先级阈值;第二优先级高于第二优先级阈值;第二优先级等于第二优先级阈值;第一优先级低于第二优先级。
在一些实施例中,第二特定条件,包括以下条件中的至少一者:第一优先级高于第一优先级阈值;第一优先级等于第一优先级阈值;第二优先级低于第二优先级阈值;第二优先级等于第二优先级阈值;第一优先级高于第二优先级。
其中,第一优先级阈值和第二优先级阈值可以根据实际获取的第一优先级和第二优先级进行相应设置,在满足上述需求的基础上,可以根据需要进行任意设置,本公开对此不作具体限制。
在一些实施例中,本公开实施例中接收网络侧设备的下行控制信息和/或预配置信息;
在第一特定条件包括:第一优先级低于第一优先级阈值;和/或第一优先级等于第一优先级阈值的情况下,获取第一优先级阈值;
或者,在第一特定条件包括:第二优先级高于第二优先级阈值;和/或第二优先级等于第二优先级阈值的情况下,获取第二优先级阈值;
或者,在第二特定条件包括:第一优先级高于第一优先级阈值;和/或第一优先级等于第一优先级阈值的情况下,获取第一优先级阈值;
或者,在第二特定条件包括:第二优先级低于第二优先级阈值;和/或第二优先级等于第二优先级阈值的情况下,获取第二优先级阈值;
或者,在第一特定条件包括:第一优先级低于第一优先级阈值;和/或第一优先级等于第一优先级阈值;以及第二优先级高于第二优先级阈值;和/或第二优先级等于第二优先级阈值的情况下,获取第一优先级阈值和第二优先级阈值;
或者,在第二特定条件包括:第一优先级高于第一优先级阈值;和/或第一优先级等于第一优先级阈值;以及第二优先级低于第二优先级阈值;和/或第二优先级等于第二优先级阈值的情况下,获取第一优先级阈值和第二优先级阈值。
其中,网络侧设备的下行控制信息中包括第一优先级阈值和第二优先级阈值,终端设备接收网络侧设备的下行控制信息获取第一优先级阈值和第二优先级阈值;或者,网络侧设备的预配置信息中包括第 一优先级阈值和第二优先级阈值,终端设备接收网络侧设备的预配置信息获取第一优先级阈值和第二优先级阈值;或者,网络侧设备的下行控制信息中包括第一优先级阈值,下行控制信息中包括第二优先级阈值,终端设备接收网络侧设备的下行控制信息和预配置信息,获取第一优先级阈值和第二优先级阈值;或者,网络侧设备的下行控制信息中包括第二优先级阈值,下行控制信息中包括第一优先级阈值,终端设备接收网络侧设备的下行控制信息和预配置信息,获取第一优先级阈值和第二优先级阈值。
在一些实施例中,在判定终端设备不进行监听操作的情况下,在对应的资源选择或者重评估和/或占用评估生成可用候选资源集合时不进行第一时间单元对应资源的排除操作。
可以理解的是,终端设备在时间单元集合中的第一时间单元存在收发冲突,终端设备原本需要在第一时间单元传输数据,但是,第一时间单元在时间单元集合中,需要进行监听操作,基于此,本公开实施例中,终端设备在第一时间单元放弃监听操作,进行传输数据的操作,并且,在对应的资源选择或者重评估和/或占用评估生成可用候选资源集合时不进行第一时间单元对应资源的排除操作。
请参见图3,图3是本公开实施例提供的另一种资源选择方法的流程示意图。
如图3所示,该方法由网络侧设备执行,该方法可以包括但不限于如下步骤:
S11:向终端设备发送下行控制信息和/或预配置信息;其中,下行控制信息和/或预配置信息中,包括:第一优先级阈值和/或第二优先级阈值。
本公开实施例中,网络侧设备向终端设备发送下行控制信息和/或预配置信息,其中,
网络侧设备的下行控制信息中包括第一优先级阈值,终端设备接收网络侧设备的下行控制信息获取第一优先级阈值;或者,网络侧设备的下行控制信息中包括第二优先级阈值,终端设备接收网络侧设备的下行控制信息获取第二优先级阈值;或者,网络侧设备的预配置信息中包括第一优先级阈值,终端设备接收网络侧设备的预配置信息获取第一优先级阈值;或者,网络侧设备的预配置信息中包括第二优先级阈值,终端设备接收网络侧设备的预配置信息获取第二优先级阈值;或者,网络侧设备的下行控制信息中包括第一优先级阈值和第二优先级阈值,终端设备接收网络侧设备的下行控制信息获取第一优先级阈值和第二优先级阈值;或者,网络侧设备的预配置信息中包括第一优先级阈值和第二优先级阈值,终端设备接收网络侧设备的预配置信息获取第一优先级阈值和第二优先级阈值;或者,网络侧设备的下行控制信息中包括第一优先级阈值,下行控制信息中包括第二优先级阈值,终端设备接收网络侧设备的下行控制信息和预配置信息,获取第一优先级阈值和第二优先级阈值;或者,网络侧设备的下行控制信息中包括第二优先级阈值,下行控制信息中包括第一优先级阈值,终端设备接收网络侧设备的下行控制信息和预配置信息,获取第一优先级阈值和第二优先级阈值。
基于此,终端设备在接收到第一优先级阈值和/或第二优先级阈值之后,可以根据在第一时间单元进行SL传输或者UL传输操作的第一优先级;在所述第一时间进行监听操作所对应的第一资源上,进行SL传输的第二优先级;其中,第一资源为经过资源选择或者资源评估的资源;资源评估,包括:资源重评估和/或资源占用评估;进而根据第一优先级和/或第二优先级,以及第一优先级阈值和/或第二优先级阈值判定是否进行监听操作。
通过实施本公开实施例,向终端设备发送下行控制信息和/或预配置信息;其中,下行控制信息和/或预配置信息中,包括:第一优先级阈值和/或第二优先级阈值,可以对终端设备是否进行监听操作进行判定,根据判定结果,进而控制终端设备进行监听操作或者不进行监听操作,通过这种方式,可以避免造成资源的浪费,进而提升系统性能。
上述本公开提供的实施例中,分别从终端设备、网络侧设备的角度对本公开实施例提供的方法进行了介绍。为了实现上述本公开实施例提供的方法中的各功能,终端设备和网络侧设备可以包括硬件结构、软件模块,以硬件结构、软件模块、或硬件结构加软件模块的形式来实现上述各功能。上述各功能中的某个功能可以以硬件结构、软件模块、或者硬件结构加软件模块的方式来执行。
请参见图4,为本公开实施例提供的一种资源选择装置10的结构示意图。
图4所示的资源选择装置10可包括收发模块11和处理模块12。收发模块11可包括发送模块和/或接收模块,发送模块用于实现发送功能,接收模块用于实现接收功能,收发模块11可以实现发送功能和/或接收功能。
其中,收发模块11,用于响应于终端设备进行基于部分监听的资源选择或者基于部分监听的资源评估,确定需要进行监听的时间单元集合;其中,基于部分监听的资源评估包括:基于部分监听的资源重评估和/或基于部分监听的资源占用评估。
处理模块12,用于在终端设备在时间单元集合中的第一时间单元存在收发冲突的情况下,根据预设条件判定终端设备是否进行监听操作。
关于上述实施例中的资源选择装置10,其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述,此处将不做详细阐述说明。本公开上述实施例中提供的资源选择装置10,与上面一些实施例中提供的资源选择方法取得相同或相似的有益效果,此处不再赘述。
请参见图5,为本公开实施例提供的一种资源选择装置20的结构示意图。
图5所示的资源选择装置20可包括收发模块21。收发模块21可包括发送模块和/或接收模块,发送模块用于实现发送功能,接收模块用于实现接收功能,收发模块21可以实现发送功能和/或接收功能。
收发模块21,用于向终端设备发送下行控制信息和/或预配置信息;其中,下行控制信息和/或预配置信息中,包括:第一优先级阈值和/或第二优先级阈值。
关于上述实施例中的资源选择装置20,其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述,此处将不做详细阐述说明。本公开上述实施例中提供的资源选择装置20,与上面一些实施例中提供的资源选择方法取得相同或相似的有益效果,此处不再赘述。
请参见图6,图6是本公开实施例提供的另一种通信装置1000的结构示意图。
通信装置1000可以是网络侧设备,也可以是终端设备,也可以是支持网络侧设备实现上述方法的芯片、芯片系统、或处理器等,还可以是支持终端设备实现上述方法的芯片、芯片系统、或处理器等。该装置可用于实现上述方法实施例中描述的方法,具体可以参见上述方法实施例中的说明。
通信装置1000可以包括一个或多个处理器1001。处理器1001可以是通用处理器或者专用处理器等。例如可以是基带处理器或中央处理器。基带处理器可以用于对通信协议以及通信数据进行处理,中央处理器可以用于对通信装置(如,基站、基带芯片,终端设备、终端设备芯片,DU或CU等)进行控制,执行计算机程序,处理计算机程序的数据。
可选的,通信装置1000中还可以包括一个或多个存储器1002,其上可以存有计算机程序1004,存储器1002执行所述计算机程序1004,以使得通信装置1000执行上述方法实施例中描述的方法。可选的,所述存储器1002中还可以存储有数据。通信装置1000和存储器1002可以单独设置,也可以集成在一起。
可选的,通信装置1000还可以包括收发器1005、天线1006。收发器1005可以称为收发单元、收 发机、或收发电路等,用于实现收发功能。收发器1005可以包括接收器和发送器,接收器可以称为接收机或接收电路等,用于实现接收功能;发送器可以称为发送机或发送电路等,用于实现发送功能。
可选的,通信装置1000中还可以包括一个或多个接口电路1007。接口电路1007用于接收代码指令并传输至处理器1001。处理器1001运行所述代码指令以使通信装置1000执行上述方法实施例中描述的方法。
通信装置1000为终端设备:收发器1005用于执行图2中的S1。处理器1001用于执行图2中的S2。
通信装置1000为网络侧设备:收发器1005用于执行图3中的S11。
在一种实现方式中,处理器1001中可以包括用于实现接收和发送功能的收发器。例如该收发器可以是收发电路,或者是接口,或者是接口电路。用于实现接收和发送功能的收发电路、接口或接口电路可以是分开的,也可以集成在一起。上述收发电路、接口或接口电路可以用于代码/数据的读写,或者,上述收发电路、接口或接口电路可以用于信号的传输或传递。
在一种实现方式中,处理器1001可以存有计算机程序1003,计算机程序1003在处理器1001上运行,可使得通信装置1000执行上述方法实施例中描述的方法。计算机程序1003可能固化在处理器1001中,该种情况下,处理器1001可能由硬件实现。
在一种实现方式中,通信装置1000可以包括电路,所述电路可以实现前述方法实施例中发送或接收或者通信的功能。本公开中描述的处理器和收发器可实现在集成电路(integrated circuit,IC)、模拟IC、射频集成电路RFIC、混合信号IC、专用集成电路(application specific integrated circuit,ASIC)、印刷电路板(printed circuit board,PCB)、电子设备等上。该处理器和收发器也可以用各种IC工艺技术来制造,例如互补金属氧化物半导体(complementary metal oxide semiconductor,CMOS)、N型金属氧化物半导体(nMetal-oxide-semiconductor,NMOS)、P型金属氧化物半导体(positive channel metal oxide semiconductor,PMOS)、双极结型晶体管(bipolar junction transistor,BJT)、双极CMOS(BiCMOS)、硅锗(SiGe)、砷化镓(GaAs)等。
以上实施例描述中的通信装置可以是终端设备(如前述方法实施例中的终端设备),但本公开中描述的通信装置的范围并不限于此,而且通信装置的结构可以不受图6的限制。通信装置可以是独立的设备或者可以是较大设备的一部分。例如所述通信装置可以是:
(1)独立的集成电路IC,或芯片,或,芯片系统或子系统;
(2)具有一个或多个IC的集合,可选的,该IC集合也可以包括用于存储数据,计算机程序的存储部件;
(3)ASIC,例如调制解调器(Modem);
(4)可嵌入在其他设备内的模块;
(5)接收机、终端设备、智能终端设备、蜂窝电话、无线设备、手持机、移动单元、车载设备、网络设备、云设备、人工智能设备等等;
(6)其他等等。
对于通信装置可以是芯片或芯片系统的情况,请参见图7,为本公开实施例中提供的一种芯片的结构图。
如图7所示,芯片1100包括处理器1101和接口1103。其中,处理器1101的数量可以是一个或多 个,接口1103的数量可以是多个。
对于芯片用于实现本公开实施例中终端设备的功能的情况:
接口1103,用于接收代码指令并传输至所述处理器。
处理器1101,用于运行代码指令以执行如上面一些实施例所述的资源选择方法。
对于芯片用于实现本公开实施例中网络侧设备的功能的情况:
接口1103,用于接收代码指令并传输至所述处理器。
处理器1101,用于运行代码指令以执行如上面一些实施例所述的资源选择方法。
可选的,芯片1100还包括存储器1102,存储器1102用于存储必要的计算机程序和数据。
本领域技术人员还可以了解到本公开实施例列出的各种说明性逻辑块(illustrative logical block)和步骤(step)可以通过电子硬件、电脑软件,或两者的结合进行实现。这样的功能是通过硬件还是软件来实现取决于特定的应用和整个系统的设计要求。本领域技术人员可以对于每种特定的应用,可以使用各种方法实现所述的功能,但这种实现不应被理解为超出本公开实施例保护的范围。
本公开还提供一种可读存储介质,其上存储有指令,该指令被计算机执行时实现上述任一方法实施例的功能。
本公开还提供一种计算机程序产品,该计算机程序产品被计算机执行时实现上述任一方法实施例的功能。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机程序。在计算机上加载和执行所述计算机程序时,全部或部分地产生按照本公开实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机程序可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机程序可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line,DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如,软盘、硬盘、磁带)、光介质(例如,高密度数字视频光盘(digital video disc,DVD))、或者半导体介质(例如,固态硬盘(solid state disk,SSD))等。
除非上下文另有要求,否则,在整个说明书和权利要求书中,术语“包括(comprise)”及其其他形式例如第三人称单数形式“包括(comprises)”和现在分词形式“包括(comprising)”被解释为开放、包含的意思,即为“包含,但不限于”。在说明书的描述中,术语“一些实施例(some embodiments)”、“示例性实施例(exemplary embodiments)”等旨在表明与该实施例或示例相关的特定特征、结构、材料或特性包括在本公开的至少一个实施例或示例中。上述术语的示意性表示不一定是指同一实施例或示例。此外,所述的特定特征、结构、材料或特点可以以任何适当方式包括在任何一个或多个实施例或示例中。
本领域普通技术人员可以理解:本公开中涉及的第一、第二等各种数字编号仅为描述方便进行的区分,并不用来限制本公开实施例的范围,也表示先后顺序。
本公开中的至少一个还可以描述为一个或多个,多个可以是两个、三个、四个或者更多个,本公开不做限制。在本公开实施例中,对于一种技术特征,通过“第一”、“第二”、“第三”、“A”、“B”、“C”和“D” 等区分该种技术特征中的技术特征,该“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”描述的技术特征间无先后顺序或者大小顺序。“A和/或B”,包括以下三种组合:仅A,仅B,及A和B的组合。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本公开的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
以上所述,仅为本公开的具体实施方式,但本公开的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本公开揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本公开的保护范围之内。因此,本公开的保护范围应以所述权利要求的保护范围为准。
Claims (20)
- 一种资源选择方法,其特征在于,所述方法由终端设备执行,所述方法,包括:响应于终端设备进行基于部分监听的资源选择或者基于部分监听的资源评估,确定需要进行监听的时间单元集合;其中,所述基于部分监听的资源评估包括:基于部分监听的资源重评估和/或基于部分监听的资源占用评估;在所述终端设备在所述时间单元集合中的所述第一时间单元存在收发冲突的情况下,根据预设条件判定所述终端设备是否进行监听操作。
- 根据权利要求1所述的方法,其特征在于,所述方法,还包括:响应于基于部分监听的资源选择被触发的时间为第二时间单元,进行部分监听的资源选择在资源选择窗口中选择的首个时间单元的时间为第三时间单元,第一时间单元位于第二时间单元之后,或者第一时间单元位于第二时间单元和第三时间单元之间,根据预设条件判定所述终端设备是否进行监听操作。
- 根据权利要求1或2所述的方法,其特征在于,所述终端设备在所述第一时间单元存在收发冲突,包括:所述终端设备在所述第一时间单元进行侧链路SL传输和/或上行链路UL传输操作。
- 根据权利要求3所述的方法,其特征在于,所述根据预设条件判定所述终端设备是否进行监听操作,包括:响应于所述预设条件为优先进行监听操作,且放弃在所述第一时间单元进行SL传输或者UL传输操作;确定所述终端设备进行监听操作。
- 根据权利要求3所述的方法,其特征在于,所述根据预设条件判定所述终端设备是否进行监听操作,包括:根据优先级判定所述终端设备是否进行监听操作。
- 根据权利要求5所述的方法,其特征在于,所述根据优先级判定所述终端设备是否进行监听操作,包括:获取在所述第一时间单元进行SL传输或者UL传输操作的第一优先级;获取在所述第一时间单元进行监听操作所对应的第一资源上,进行SL传输的第二优先级;其中,所述第一资源为经过资源选择或者资源评估的资源;所述资源评估,包括:资源重评估和/或资源占用评估;根据所述第一优先级和/或所述第二优先级,判定所述终端设备是否进行监听操作。
- 根据权利要求6所述的方法,其特征在于,所述根据所述第一优先级和/或所述第二优先级,判定所述终端设备是否进行监听操作,包括:在所述第一优先级和/或所述第二优先级满足第一特定条件的情况下,判定所述终端设备进行监听操作;或者,在所述第一优先级和/或所述第二优先级满足第二特定条件的情况下,判定所述终端设备不进行监听操作。
- 根据权利要求7所述的方法,其特征在于,所述第一特定条件,包括以下条件中的至少一者:所述第一优先级低于第一优先级阈值;所述第一优先级等于第一优先级阈值;所述第二优先级高于第二优先级阈值;所述第二优先级等于第二优先级阈值;所述第一优先级低于所述第二优先级。
- 根据权利要求7所述的方法,其特征在于,所述第二特定条件,包括以下条件中的至少一者:所述第一优先级高于第一优先级阈值;所述第一优先级等于第一优先级阈值;所述第二优先级低于第二优先级阈值;所述第二优先级等于第二优先级阈值;所述第一优先级高于所述第二优先级。
- 根据权利要求8或9所述的方法,其特征在于,所述方法,还包括:接收网络侧设备的下行控制信息和/或预配置信息;在所述第一特定条件包括:所述第一优先级低于第一优先级阈值;和/或所述第一优先级等于第一优先级阈值的情况下,获取所述第一优先级阈值;或者,在所述第一特定条件包括:所述第二优先级高于第二优先级阈值;和/或所述第二优先级等于第二优先级阈值的情况下,获取所述第二优先级阈值;或者,在所述第二特定条件包括:所述第一优先级高于第一优先级阈值;和/或所述第一优先级等于第一优先级阈值的情况下,获取所述第一优先级阈值;或者,在所述第二特定条件包括:所述第二优先级低于第二优先级阈值;和/或所述第二优先级等于第二优先级阈值的情况下,获取所述第二优先级阈值;或者,在所述第一特定条件包括:所述第一优先级低于第一优先级阈值;和/或所述第一优先级等于第一优先级阈值;以及所述第二优先级高于第二优先级阈值;和/或所述第二优先级等于第二优先级阈值的情况下,获取所述第一优先级阈值和所述第二优先级阈值;或者,在所述第二特定条件包括:所述第一优先级高于第一优先级阈值;和/或所述第一优先级等于第一优先级阈值;以及所述第二优先级低于第二优先级阈值;和/或所述第二优先级等于第二优先级阈值的情况下,获取所述第一优先级阈值和所述第二优先级阈值。
- 根据权利要求1至10中任一项所述的方法,其特征在于,所述方法,还包括:在判定所述终端设备不进行监听操作的情况下,在对应的资源选择或者重评估和/或占用评估生成可用候选资源集合时不进行所述第一时间单元对应资源的排除操作。
- 一种资源选择方法,其特征在于,所述方法由网络侧设备执行,所述方法,包括:向终端设备发送下行控制信息和/或预配置信息;其中,所述下行控制信息和/或所述预配置信息中,包括:第一优先级阈值和/或第二优先级阈值。
- 一种资源选择装置,其特征在于,包括:收发模块,用于响应于终端设备进行基于部分监听的资源选择或者基于部分监听的资源评估,确定需要进行监听的时间单元集合;其中,所述基于部分监听的资源评估包括:基于部分监听的资源重评估和/或基于部分监听的资源占用评估;处理模块,用于在所述终端设备在所述时间单元集合中的所述第一时间单元存在收发冲突的情况下,根据预设条件判定所述终端设备是否进行监听操作。
- 一种资源选择装置,其特征在于,包括:收发模块,用于向终端设备发送下行控制信息和/或预配置信息;其中,所述下行控制信息和/或所述预配置信息中,包括:第一优先级阈值和/或所述第二优先级阈值。
- 一种通信装置,其特征在于,所述装置包括处理器和存储器,所述存储器中存储有计算机程序,所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行如权利要求1至11中任一项所述的方法。
- 一种通信装置,其特征在于,所述装置包括处理器和存储器,所述存储器中存储有计算机程序,所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行如权利要求12所述的方法。
- 一种通信装置,其特征在于,包括:处理器和接口电路;所述接口电路,用于接收代码指令并传输至所述处理器;所述处理器,用于运行所述代码指令以执行如权利要求1至11中任一项所述的方法。
- 一种通信装置,其特征在于,包括:处理器和接口电路;所述接口电路,用于接收代码指令并传输至所述处理器;所述处理器,用于运行所述代码指令以执行如权利要求12所述的方法。
- 一种计算机可读存储介质,用于存储有指令,当所述指令被执行时,使如权利要求1至11中任一项所述的方法被实现。
- 一种计算机可读存储介质,用于存储有指令,当所述指令被执行时,使如权利要求12所述的 方法被实现。
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