WO2023050870A1 - 一种资源预约方法及终端设备 - Google Patents
一种资源预约方法及终端设备 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present application relates to the technical field of wireless communication, and in particular to a resource reservation method and a terminal device.
- the terminal equipment can be aware of the periodicity of other UEs through partial perception. It monitors the reservation status of reserved resources, excludes the resources already occupied by other UEs among the candidate resources, and selects resources from the remaining candidate resources for reservation.
- the resources reserved by the UE through partial sensing may still be occupied by other UEs again, thus causing resource collisions.
- resource collisions caused by the above situations can be reduced and the reliability of resource transmission can be ensured.
- the UE performs re-evaluation and/or preemption check and partial sensing at the same time it may cause increased power consumption of the UE.
- Embodiments of the present application provide a resource reservation method and a terminal device, so as to reduce power consumption of a UE.
- some embodiments of the present application provide a resource reservation method, the method comprising:
- control partial awareness and re-evaluation and/or preemption check in the time domain do not overlap; or, when partial awareness and re-evaluation and/or preemption check in When there is an overlapping part in the time domain, in the overlapping part, re-evaluation and/or preemption check is performed through partial perception;
- the sensing of the control part does not overlap with the re-evaluation and/or preemption check in the time domain, including:
- the performing re-evaluation and/or preemption check after the end moment of partial awareness includes:
- the partial sensing includes a periodic partial sensing PBPS mode and a continuous partial sensing CPS mode; the re-evaluation and/or preemption check through partial sensing includes:
- the channel busy ratio CBR it is determined to use the PBPS mode or the CPS mode to perform re-evaluation and/or preemption check.
- determining to use the PBPS mode or the CPS mode to perform the re-evaluation and/or preemption check includes:
- the information processing duration of the re-evaluation and/or preemption check is greater than or equal to the set duration threshold, it is determined to use the PBPS method to perform the re-evaluation and/or preemption check;
- the information processing duration of the re-evaluation and/or preemption check is less than the set duration threshold, it is determined that the re-evaluation and/or preemption check is performed in a CPS manner.
- the information processing duration of the re-evaluation and/or preemption check includes any of the following durations, and each duration has a corresponding duration threshold:
- the fourth duration between the resource reselection trigger time and the resource selection start time is the fourth duration between the resource reselection trigger time and the resource selection start time.
- the duration threshold is set by the network side device, or the duration threshold is selected from a duration threshold set configured by the network side device.
- the determining to use PBPS or CPS to perform re-evaluation and/or preemption check according to the channel busy ratio CBR includes:
- the CBR is greater than or equal to the set CBR threshold, it is determined to use the CPS method for re-evaluation and/or preemption check;
- the CBR is smaller than the set CBR threshold, it is determined to perform re-evaluation and/or preemption check in a PBPS manner.
- the CBR threshold is set by the network side device, or the CBR threshold is selected from a CBR threshold set configured by the network side device.
- the performing re-evaluation and/or preemption check through partial perception includes:
- the re-evaluation and/or preemption check is performed before the first time slot of the re-evaluation and/or preemption check candidate resource set or before the resource reselection trigger moment.
- the set time period includes any of the following:
- the PBPS sensing period value determined according to the period value in the resource reservation period list configured in the resource pool;
- the period value in the parameter set configured by the network side device configured by the network side device.
- the performing re-evaluation and/or preemption check through partial perception includes:
- some embodiments of the present application provide a terminal device, including:
- the control unit if the resource reservation method of the current service includes partial sensing and re-evaluation and/or preemption check, controls the partial sensing and re-evaluation and/or preemption check to not overlap in the time domain; or, when the partial sensing and re-evaluation and/or When the preemption check has an overlapping part in the time domain, in the overlapping part, re-evaluation and/or preemption check is performed through partial perception;
- the reserving unit is configured to reserve a target resource for transmitting information based on the perception result of the re-evaluation and/or preemption check.
- some embodiments of the present application provide a terminal device, including: a memory, a transceiver, and a processor;
- said memory for storing computer instructions
- the transceiver is used to send and receive data under the control of the processor
- the processor is configured to read the computer program in the memory and perform the following steps:
- control partial awareness and re-evaluation and/or preemption check in the time domain do not overlap; or, when partial awareness and re-evaluation and/or preemption check in When there is an overlapping part in the time domain, in the overlapping part, re-evaluation and/or preemption check is performed through partial perception;
- the processor may also be used for:
- the processor may also be used for:
- the processor may also be used for:
- the channel busy ratio CBR it is determined to use the PBPS mode or the CPS mode to perform re-evaluation and/or preemption check.
- the processor is specifically configured to:
- the information processing duration of the re-evaluation and/or preemption check is greater than or equal to the set duration threshold, it is determined to use the PBPS method to perform the re-evaluation and/or preemption check;
- the information processing duration of the re-evaluation and/or preemption check is less than the set duration threshold, it is determined that the re-evaluation and/or preemption check is performed in a CPS manner.
- the information processing duration of the re-evaluation and/or preemption check includes any of the following durations, and each duration has a corresponding duration threshold:
- the fourth duration between the resource reselection trigger time and the resource selection start time is the fourth duration between the resource reselection trigger time and the resource selection start time.
- the duration threshold is set by the network side device, or the duration threshold is selected from a duration threshold set configured by the network side device.
- the processor is specifically configured to:
- the CBR is greater than or equal to the set CBR threshold, it is determined to use the CPS method for re-evaluation and/or preemption check;
- the CBR is smaller than the set CBR threshold, it is determined to perform re-evaluation and/or preemption check in a PBPS manner.
- the CBR threshold is set by the network side device, or the CBR threshold is selected from a CBR threshold set configured by the network side device.
- the processor is specifically configured to:
- the re-evaluation and/or preemption check is performed before the first time slot of the re-evaluation and/or preemption check candidate resource set or before the resource reselection trigger moment.
- the set time period includes any of the following:
- the PBPS sensing period value determined according to the period value in the resource reservation period list configured in the resource pool;
- the period value in the parameter set configured by the network side device configured by the network side device.
- the processor is specifically configured to:
- some embodiments of the present application provide a computer-readable storage medium, the storage medium stores computer instructions, and when the computer instructions are executed by a processor, the method described in any one of the first aspect is implemented. method.
- the resource reservation method of the current service includes partial perception and re-evaluation and/or preemption check
- control partial perception and re-evaluation and/or preemption check do not overlap in the time domain
- partial awareness and re-evaluation and/or preemption checks overlap in the time domain, in the overlapping portion, re-evaluation and/or preemption checks are performed through partial awareness without performing partial awareness and re-evaluation and/or preemption checks respectively at the same time Or preemption check, so that the power consumption of the UE can be reduced.
- FIG. 1 is a schematic structural diagram of a communication system provided by some embodiments of the present application.
- FIG. 2 is a schematic flowchart of a resource reservation method provided by some embodiments of the present application.
- FIG. 3 is a schematic diagram of time-domain resource locations for re-evaluation and/or preemption check provided by some embodiments of the present application;
- FIG. 4 is a schematic diagram of time-domain resource locations for re-evaluation and/or preemption check provided by some embodiments of the present application;
- FIG. 5 is a schematic diagram of another time-domain resource location for re-evaluation and/or preemption check provided by some embodiments of the present application.
- FIG. 6 is a schematic diagram of another time-domain resource location for re-evaluation and/or preemption check provided by some embodiments of the present application.
- FIG. 7 is a structural block diagram of a terminal device provided by some embodiments of the present application.
- Fig. 8 is a schematic structural diagram of another terminal device provided by some embodiments of the present application.
- first and “second” in the embodiments of the present application are used to distinguish similar objects, rather than to describe a specific order or sequence.
- “And/or” in the embodiment of this application describes the association relationship of associated objects, indicating that there may be three relationships, for example, A and/or B, which may mean: A exists alone, A and B exist simultaneously, and B exists alone These three situations.
- the character “/” generally indicates that the contextual objects are an "or” relationship.
- the network architecture and business scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application.
- the technical solutions provided by the embodiments of this application are also applicable to similar technical problems.
- Fig. 1 is a schematic structural diagram of a communication network applicable to some embodiments of the present application.
- the communication network may be a V2X network, or a part of the V2X network.
- the V2X network includes communication methods such as Vehicle to Vehicle (V2V), Vehicle to Pedestrian (V2P), Vehicle to Infrastructure (V2I) and Vehicle to Network (V2N).
- V2V Vehicle to Vehicle
- V2P Vehicle to Pedestrian
- V2I Vehicle to Infrastructure
- V2N Vehicle to Network
- one end of the V2P communication can be a user terminal equipment (Person-User Equipment, P-UE), and the other end can be a vehicle terminal equipment (Vehicle-User Equipment, V-UE), such as the P-UE200 shown in Figure 1 and V-UE300.
- the communication network may also include a network side device 100 . Both the P-UE200 and the V-UE300 can be connected to the network side device 100 through a wireless network. Both P-UE
- the network side device 100 is a device that provides wireless communication functions for terminal devices, including but not limited to: gNB in 5G, 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 Node B (Home Node B, HNB), Base Band Unit (BaseBand Unit, BBU), Transmission Point (Transmitting and Receiving Point, TRP), transmitting point (Transmitting Point, TP), mobile switching center, etc.
- the network side device 100 may also be a device that provides wireless communication functions for terminal devices in other communication systems that may appear in the future.
- P-UE200 can be a device with wireless communication function, which can be a mobile phone, a tablet computer (ipad), a computer with wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal, an augmented reality (Augmented Reality, AR) terminals, wireless terminals in industrial control (industrial control), etc.
- V-UE300 may be a vehicle-mounted terminal in self driving, and V-UE300 may also be a device with a wireless communication function. Both P-UE200 and V-UE300 can provide users with voice and/or data connectivity, have a wireless connection function, and can be connected to a wireless modem, etc.
- P-UE200 and V-UE300 can communicate with one or more core networks via network side device 100 .
- some embodiments of the present application provide a resource reservation method. If the resource reservation method of the current service includes partial awareness and re-evaluation and/or preemption check, control partial awareness and re-evaluation and/or preemption check in the time domain do not overlap; or, when partial awareness and re-evaluation and/or preemption check in When there is an overlapping part in the time domain, in the overlapping part, re-evaluation and/or preemption check is performed through partial sensing; and based on the sensing result of the re-evaluation and/or preemption check, a target resource for transmitting information is reserved.
- re-evaluation and/or preemption checks can be performed in a partially aware manner without performing partial Sensing and re-evaluation and/or preemption check can reduce UE power consumption while ensuring resource transmission reliability.
- Fig. 2 shows a schematic flowchart of a resource reservation method provided by some embodiments of the present application.
- the method is executed by a terminal device, and the method for resource reservation executed by the terminal device is used as an example for description below.
- the method includes the following steps:
- Step S201 if the resource reservation mode of the current service includes partial awareness and re-evaluation and/or preemption check, control partial awareness and re-evaluation and/or preemption check to not overlap in the time domain; or, when partial awareness and re-evaluation and/or When the preemption check overlaps in the time domain, in the overlapping part, re-evaluation and/or preemption check is performed through partial awareness.
- the resource reservation method of the current service includes partial perception and re-evaluation and/or preemption check
- an identification bit used to indicate the overlapping relationship between re-evaluation and/or preemption check and partial perception may be added to the high-level parameter, and n bits (bit) may be added as the identification bit, and n may be 1, 2, etc. positive integer. For example, 2 bits can be added to the high-level parameters.
- the UE's high layer triggers re-evaluation and/or preemption check, it can send configuration information to the UE's physical layer, that is, the above-mentioned high-level parameters, which include overlapping relations for indicating re-evaluation and/or preemption check and partial perception configuration information.
- the physical layer of the UE performs resource perception and reservation according to the received configuration information.
- the configuration information indicates that partial sensing and re-evaluation and/or preemption check cannot overlap in the time domain, it may be controlled that the time periods for partial sensing and re-evaluation and/or preemption check do not overlap.
- the end time of partial sensing may be determined, and after the end time of partial sensing, re-evaluation and/or preemption check is performed. For example, re-evaluation and/or preemption checks can be done through continuous awareness.
- the configuration information indicates that partial sensing and re-evaluation and/or preemption checks may overlap in the time domain, then when partial sensing and re-evaluation and/or preemption checks overlap in the time domain, in the overlapped part, pass the partial sensing Perform re-evaluation and/or preemption checks, use part of the perception results of perception as the perception results of re-evaluation and/or preemption checks, and no longer perform additional re-evaluation and/or preemption checks through continuous perception.
- the partial sensing mode when the partial sensing mode is configured with the PBPS mode and the CPS mode, it may be determined to adopt a period based partial sensing (Period based Partial Sensing, PBPS) mode or a continuous part according to the information processing duration of the re-evaluation and/or preemption check Contiguous Partial Sensing (CPS) mode for re-evaluation and/or preemption check; or, according to channel busy ratio (channel busy ratio, CBR), it may be determined to use PBPS mode or CPS mode for re-evaluation and/or preemption check.
- PBPS Period based Partial Sensing
- CPS Contiguous Partial Sensing
- CBR channel busy ratio
- Step S202 based on the perception result of the re-evaluation and/or preemption check, reserve the target resource for transmitting information.
- the UE performs re-evaluation and/or preemption check according to a determined manner, and reserves a target resource for transmitting information based on a perception result of the re-evaluation and/or preemption check.
- the UE when the partial sensing and re-evaluation and/or preemption check do not overlap in the time domain, the UE can use continuous sensing to perform re-evaluation and/or preemption check; and when the partial sensing and re-evaluation and/or preemption check When re-evaluation and/or preemption checks overlap in the time domain, in the overlapped part, re-evaluation and/or preemption checks can be performed through partial awareness instead of additional re-evaluation and/or preemption checks through continuous awareness , therefore, the power consumption of the UE can be reduced while ensuring the reliability of resource transmission.
- An optional implementation manner is: when the resource reservation mode of the current service includes partial awareness and re-evaluation and/or preemption check, control partial awareness and re-evaluation and/or preemption check in the time domain according to the instruction of the configuration information overlapping.
- the current service can be a Transport Block (TB) of any periodic transmission or aperiodic transmission.
- TB Transport Block
- partial awareness can include The PBPS mode and/or the CPS mode are used for resource awareness.
- the high layer of the UE can trigger re-evaluation and/or preemption check, and send relevant configuration information to the physical layer of the UE
- the configuration information includes Indication information used to indicate the overlapping relationship between re-evaluation and/or preemption check and partial perception, and the indication information may be expressed as 2 bits added to the high-level parameter. A bit of 00 indicates that the re-evaluation and/or preemption check cannot overlap with partial sensing in the time domain.
- the physical layer of the UE uses the persistent Aware way to perform re-evaluation and/or preemption checks.
- n-1000 is the start time of the resource awareness window
- n-1 is the end time of the resource awareness window
- n is the service arrival time
- n+T 1 is the start time of the resource selection window
- n+T 2 is The end time of the resource selection window.
- the UE performs partial sensing within the resource sensing window
- n-1 may be considered as the end time of partial sensing
- re-evaluation and/or preemption check may be performed after time n-1.
- continuous sensing may be used to perform re-evaluation and/or preemption checks, and resource reservations may be made within the reselection resource selection window according to the sensing results of the continuous sensing.
- resource reselection can be performed after the processing time of T3 , that is, time m'+ T3 is the reselection Select the start time of the resource selection window.
- time m'+ T3 is the reselection Select the start time of the resource selection window.
- the sensing result of continuous sensing that is, the sensing result of re-evaluation and/or preemption check
- resources already occupied by other UEs are excluded from the re-evaluation and/or preemption check candidate resource set, and selected from the remaining candidate resources and reserved for The target resource to transfer information to avoid resource collisions.
- Another optional implementation manner is: when the partial sensing and the re-evaluation and/or the preemption check overlap in the time domain, at the overlapping portion, the re-evaluation and/or the preemption check is performed through the partial sensing.
- the current service can be any TB that is transmitted periodically or aperiodically. If the resource reservation method of the current service includes partial sensing and re-evaluation and/or preemption check, partial sensing can include using PBPS and/or CPS resource-aware.
- the high layer of the UE can trigger re-evaluation and/or preemption check, and send relevant configuration information to the physical layer of the UE
- the configuration information includes Indication information used to indicate the overlapping relationship between re-evaluation and/or preemption check and partial perception
- the indication information may be expressed as 2 bits added to the high-level parameter. For example, a bit of 11 indicates that the re-evaluation and/or preemption check may overlap with partial sensing in the time domain, and after receiving the configuration information, the physical layer of the UE performs resource sensing and resource reservation according to the configuration information.
- n-1000 is the start time of partial sensing
- n+1 is the end time of partial sensing
- n is the arrival time of the service, and is also the trigger time of resource selection
- n+T 1 is the start time of the resource selection window
- n+T 2 is the end time of the resource selection window; for example, assuming that n+T 1 is the start time of re-evaluation and/or preemption check, and n+T 1 ⁇ n+1, from time n+T 1 , Partial awareness and re-evaluation and/or preemption checks begin to overlap. In the overlapping part, re-evaluation and/or preemption checks are performed through partial awareness. According to the perception results of re-evaluation and/or preemption checks, within the resource selection window Make resource reservations.
- PBPS and CPS methods it can be determined to use PBPS or CPS for re-evaluation and/or preemption according to the information processing time of re-evaluation and/or preemption checks examine.
- the information processing duration of the re-evaluation and/or preemption check can be the first time slot t r0 of the re-evaluation and/or preemption check candidate resource set and resource selection
- the first duration between trigger moments n can be compared with the corresponding first duration threshold, and if the first duration is greater than or equal to the first duration threshold, it is determined to use the PBPS method for re-evaluation and/or
- the preemption check is shown in FIG. 5 ; if the first duration is less than the first duration threshold, it is determined to use the CPS method for re-evaluation and/or preemption check, as shown in FIG. 6 .
- the information processing duration of the re-evaluation and/or preemption check may be the first time slot t r0 of the re-evaluation and/or preemption check candidate resource set and the resource selection start time n+T 1 time
- the second duration between, the second duration can be compared with the corresponding second duration threshold, if the second duration is greater than or equal to the second duration threshold, it is determined to use the PBPS method for re-evaluation and/or preemption check; if If the second duration is less than the second duration threshold, it is determined that the re-evaluation and/or preemption check is performed in a CPS manner.
- the information processing duration of the re-evaluation and/or preemption check may be the third duration between the resource reselection trigger moment mT3 and the resource selection trigger moment n, and the third duration and the corresponding third If the third duration is greater than or equal to the third duration threshold, it is determined to use the PBPS method for re-evaluation and/or preemption check; if the third duration is less than the third duration threshold, it is determined to use the CPS method for re-evaluation and/or preemption checks.
- the information processing duration of the re-evaluation and/or preemption check may be the fourth duration between the resource reselection trigger time mT3 and the resource selection start time n+ T1 , and the fourth duration Compare with the corresponding fourth duration threshold, if the fourth duration is greater than or equal to the fourth duration threshold, then determine to adopt PBPS mode for re-evaluation and/or preemption check; if the fourth duration is less than the fourth duration threshold, then determine to adopt CPS mode for re-evaluation and/or preemption checks.
- the above several duration thresholds can be set by the network-side device, or can be selected from the duration threshold set configured by the network-side device, and different re-evaluation and/or preemption check information processing durations correspond to different duration thresholds .
- the CBR may be determined first, and the CBR may be compared with a set CBR threshold.
- the CBR threshold is set by the network side device or selected from a CBR threshold set configured by the network side device. If the CBR is greater than or equal to the set CBR threshold, it is determined to use the CPS method for re-evaluation and/or preemption check; if the CBR is smaller than the set CBR threshold, it is determined to use the PBPS method for re-evaluation and/or preemption check.
- the set time period includes the PBPS sensing period value determined according to the period value in the resource reservation period list configured by the resource pool; or the period value in the resource reservation period list configured by the resource pool; or the parameter set configured by the network side device Any of the periodic values in .
- the physical layer of the UE reports the determined use of PBPS method for re-evaluation and/or preemption check to the upper layer, and the upper layer After receiving the re-evaluation and/or preemption check mode sent by the UE's physical layer, send configuration information related to the re-evaluation and/or preemption check in the PBPS mode to the UE's physical layer.
- the configuration information may include: Configuration information related to the location when re-evaluation and/or preemption check is performed through PBPS; after the physical layer of the UE receives the configuration information, it determines the location of the PBPS sensing opportunity based on the parameters in the configuration information, and performs re-evaluation and/or or preemption checks.
- the physical layer of the UE reports the re-evaluation and/or preemption check determined by the PBPS method to the upper layer of the UE.
- the configuration information related to re-evaluation and/or preemption check in the PBPS mode can be: the Pre reserve value indicating the location of the PBPS sensing opportunity, that is, the PBPS sensing determined according to the cycle value in the resource reservation cycle list configured in the resource pool period value.
- the value of Pre reserve is the perception step size and can contain multiple values, for example, Pre reserve1 , Pre reserve2 , Pre reserve3 .
- the UE determines the position of the PBPS sensing opportunity according to the received Pre reserve value, and before the first time slot (t r0 time) of the re-evaluation and/or preemption check candidate resource set or the resource reselection trigger time (i.e. mT 3 re-evaluation and/or preemption check before time), as shown in FIG. 5 , the UE performs perception at three times t r0 -P reserve3 , t r0 -P reserve2 and t r0 -P reserve1 respectively.
- the UE may reserve target resources for transmitting information based on the re-evaluation and/or the sensing result of the preemption check.
- the location of the PBPS sensing opportunity may be a whole set or a subset of values of Pre reserve .
- the higher layer after receiving the re-evaluation and/or preemption check mode sent by the UE's physical layer, the higher layer sends configuration information related to the re-evaluation and/or preemption check in the PBPS mode to the UE's physical layer
- the configuration information may also be: indicate the period value in the resource reservation period list (sl-ResourceReservePeriodList) configured by the resource pool, and the UE determines the position of the PBPS sensing opportunity according to the received period value in the resource reservation period list, and The re-evaluation and/or preemption check is performed before the first time slot (t r0 ) of the candidate resource set or before the resource reselection trigger time (ie mT 3 time).
- the UE may reserve target resources for transmitting information based on the re-evaluation and/or the sensing result of the preemption check.
- the location of the PBPS sensing opportunity may be the whole set or a subset of the resource reservation cycle list parameters.
- the higher layer after receiving the re-evaluation and/or preemption check mode sent by the UE's physical layer, the higher layer sends configuration information related to the re-evaluation and/or preemption check in the PBPS mode to the UE's physical layer , the configuration information may also be: a period value indicating a sensing opportunity in re-evaluation and/or preemption check, that is, a period value in the parameter set configured by the network side device.
- the UE determines the position of the PBPS sensing opportunity according to the received period value of the sensing opportunity in the re-evaluation and/or preemption check, and before the first time slot t r0 of the candidate resource set for the re-evaluation and/or preemption check or resource re-assessment Re-evaluation and/or preemption checks are performed before the selected trigger time mT 3 .
- the UE may reserve target resources for transmitting information based on the re-evaluation and/or the sensing result of the preemption check.
- the location of the PBPS sensing opportunity is selected by the high layer in the parameter set configured by the network side device.
- the physical layer of the UE reports the determined use of CPS method for re-evaluation and/or preemption check to the upper layer, and the upper layer receives
- the configuration information related to the re-evaluation and/or preemption check using the CPS mode is sent to the UE's physical layer.
- the UE passes the CPS mode Perform re-evaluation and/or preemption checks, and reserve target resources for transmitting information based on perception results of the re-evaluation and/or preemption checks.
- re-evaluation and/or preemption check when there is overlap between partial awareness and re-evaluation and/or preemption check in the time domain, in the overlapping portion, re-evaluation and/or preemption check can be performed through partial awareness , instead of performing partial sensing and re-evaluation and/or preemption check respectively at the same time, while ensuring the reliability of resource transmission, it can also reduce the power consumption of the UE.
- some embodiments of the present application also provide a terminal device, which can implement the procedures performed in the foregoing embodiments.
- Fig. 7 is a schematic structural diagram of a terminal device provided by some embodiments of the present application. As shown in FIG. 7, the terminal device includes: a control unit 701 and a reservation unit 702;
- the control unit 701 if the resource reservation method of the current service includes partial sensing and re-evaluation and/or preemption check, control the partial sensing and re-evaluation and/or preemption check to not overlap in the time domain; or, when the partial sensing and re-evaluation and/or preemption check or when the preemption check overlaps in the time domain, in the overlapping part, re-evaluation and/or preemption check is performed through partial perception;
- the reserving unit 702 is configured to reserve target resources for transmitting information based on the perception result of the re-evaluation and/or preemption check.
- control unit 701 may also be used for:
- control unit 701 may also be used for:
- control unit 701 may also be used for:
- the channel busy ratio CBR it is determined to use the PBPS mode or the CPS mode to perform re-evaluation and/or preemption check.
- control unit 701 is specifically configured to:
- the information processing duration of the re-evaluation and/or preemption check is greater than or equal to the set duration threshold, it is determined to use the PBPS method to perform the re-evaluation and/or preemption check;
- the information processing duration of the re-evaluation and/or preemption check is less than the set duration threshold, it is determined that the re-evaluation and/or preemption check is performed in a CPS manner.
- the information processing duration of the re-evaluation and/or preemption check includes any of the following durations, and each duration has a corresponding duration threshold:
- the fourth duration between the resource reselection trigger time and the resource selection start time is the fourth duration between the resource reselection trigger time and the resource selection start time.
- the duration threshold is set by the network side device, or the duration threshold is selected from a duration threshold set configured by the network side device.
- control unit 701 is specifically configured to:
- the CBR is greater than or equal to the set CBR threshold, it is determined to use the CPS method for re-evaluation and/or preemption check;
- the CBR is smaller than the set CBR threshold, it is determined to perform re-evaluation and/or preemption check in a PBPS manner.
- the CBR threshold is set by the network side device, or the CBR threshold is selected from a CBR threshold set configured by the network side device.
- control unit 701 is specifically configured to:
- the re-evaluation and/or preemption check is performed before the first time slot of the re-evaluation and/or preemption check candidate resource set or before the resource reselection trigger moment.
- the set time period includes any of the following:
- the PBPS sensing period value determined according to the period value in the resource reservation period list configured in the resource pool;
- the period value in the parameter set configured by the network side device configured by the network side device.
- control unit 701 is specifically configured to:
- some embodiments of the present application also provide a terminal device.
- the terminal device can implement the flow of the method executed in FIG. 2 in the foregoing embodiments.
- Fig. 8 shows a schematic structural diagram of the terminal device provided by some embodiments of the present application, that is, shows another schematic structural diagram of the terminal device.
- the terminal device includes a processor 801, a memory 802, and a transceiver 803;
- the processor 801 is responsible for managing the bus architecture and general processing, and the memory 802 can store data used by the processor 801 when performing operations.
- the transceiver 803 is used to receive and transmit data under the control of the processor 801 .
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 801 and various circuits of the memory represented by the memory 802 are linked together.
- the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and therefore will not be further described herein.
- the bus interface provides the interface.
- the processor 801 is responsible for managing the bus architecture and general processing, and the memory 802 can store data used by the processor 801 when performing operations.
- the processes disclosed in some embodiments of the present application may be applied to the processor 801 or implemented by the processor 801 .
- each step of the signal processing flow may be completed by an integrated logic circuit of hardware in the processor 801 or instructions in the form of software.
- the processor 801 may be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, and may realize or execute some implementations of the present application.
- a general purpose processor may be a microprocessor or any conventional processor or the like.
- the steps of the method disclosed in some embodiments of the present application may be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules in the processor.
- the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
- the storage medium is located in the memory 802, and the processor 801 reads the information in the memory 802, and completes the steps of the signal processing process in combination with its hardware.
- the processor 801 is configured to read the program in the memory 802 and execute:
- control partial awareness and re-evaluation and/or preemption check in time domain does not overlap; or, when partial awareness and re-evaluation and/or preemption check in When there is an overlapping part in the time domain, in the overlapping part, re-evaluation and/or preemption check is performed through partial perception;
- processor 801 may also be configured to:
- processor 801 may also be configured to:
- the channel busy ratio CBR it is determined to use the PBPS mode or the CPS mode to perform re-evaluation and/or preemption check.
- the processor 801 is specifically configured to:
- the information processing duration of the re-evaluation and/or preemption check is greater than or equal to the set duration threshold, it is determined to use the PBPS method to perform the re-evaluation and/or preemption check;
- the information processing duration of the re-evaluation and/or preemption check is less than the set duration threshold, it is determined that the re-evaluation and/or preemption check is performed in a CPS manner.
- the information processing duration of the re-evaluation and/or preemption check includes any of the following durations, and each duration has a corresponding duration threshold:
- the fourth duration between the resource reselection trigger time and the resource selection start time is the fourth duration between the resource reselection trigger time and the resource selection start time.
- the duration threshold is set by the network side device, or the duration threshold is selected from a duration threshold set configured by the network side device.
- the processor 801 is specifically configured to:
- the CBR is greater than or equal to the set CBR threshold, it is determined to use the CPS method for re-evaluation and/or preemption check;
- the CBR is smaller than the set CBR threshold, it is determined to perform re-evaluation and/or preemption check in a PBPS manner.
- the CBR threshold is set by the network side device, or the CBR threshold is selected from a CBR threshold set configured by the network side device.
- the processor 801 is specifically configured to:
- a re-evaluation and/or preemption check is performed before the resource reselection trigger moment.
- the set time period includes any of the following:
- the PBPS sensing period value determined according to the period value in the resource reservation period list configured in the resource pool;
- the period value in the parameter set configured by the network side device configured by the network side device.
- the processor 801 is specifically configured to:
- Some embodiments of the present application also provide a storage medium readable by a computing device for the resource reservation method, that is, the content will not be lost after power off.
- the storage medium stores software programs, including program codes.
- the software programs can realize any of the above embodiments of the present application when read and executed by one or more processors. Schema for the resource reservation method.
- the embodiments of the present application may be provided as methods, systems, or computer program products. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
- computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
- These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions
- the device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.
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Abstract
Description
Claims (26)
- 一种资源预约方法,其特征在于,所述方法包括:若当前业务的资源预约方式包括部分感知及重评估和/或抢占检查,控制部分感知与重评估和/或抢占检查在时域上不重叠;或者,当部分感知与重评估和/或抢占检查在时域上存在重叠部分时,在所述重叠部分,通过部分感知进行重评估和/或抢占检查;基于所述重评估和/或抢占检查的感知结果,预约用于传输信息的目标资源。
- 根据权利要求1所述的方法,其特征在于,所述控制部分感知与重评估和/或抢占检查在时域上不重叠,包括:确定部分感知的结束时刻;在部分感知的结束时刻之后,进行重评估和/或抢占检查。
- 根据权利要求2所述的方法,其特征在于,所述在部分感知的结束时刻之后,进行重评估和/或抢占检查,包括:在部分感知的结束时刻之后,通过持续感知进行重评估和/或抢占检查。
- 根据权利要求1所述的方法,其特征在于,所述部分感知包括周期性部分感知PBPS方式和连续性部分感知CPS方式;所述通过部分感知进行重评估和/或抢占检查,包括:根据重评估和/或抢占检查的信息处理时长,确定采用PBPS方式或CPS方式进行重评估和/或抢占检查;或者,根据信道忙碌比CBR,确定采用PBPS方式或CPS方式进行重评估和/或抢占检查。
- 根据权利要求4所述的方法,其特征在于,所述根据重评估和/或抢占检查的信息处理时长,确定采用PBPS方式或CPS方式进行重评估和/或抢占检查,包括:若所述重评估和/或抢占检查的信息处理时长大于或等于设定的时长阈值, 则确定采用PBPS方式进行重评估和/或抢占检查;若所述重评估和/或抢占检查的信息处理时长小于设定的时长阈值,则确定采用CPS方式进行重评估和/或抢占检查。
- 根据权利要求5所述的方法,其特征在于,所述重评估和/或抢占检查的信息处理时长包括如下任意一种时长,每种时长具有对应的时长阈值:重评估和/或抢占检查候选资源集合的第一个时隙与资源选择触发时刻之间的第一时长;重评估和/或抢占检查候选资源集合的第一个时隙与资源选择起始时刻之间的第二时长;资源重选触发时刻与资源选择触发时刻之间的第三时长;资源重选触发时刻与资源选择起始时刻之间的第四时长。
- 根据权利要求4所述的方法,其特征在于,所述时长阈值是网络侧设备设定的,或者,所述时长阈值是从网络侧设备配置的时长阈值集合中选择的。
- 根据权利要求4所述的方法,其特征在于,所述根据信道忙碌比CBR,确定采用PBPS方式或CPS方式进行重评估和/或抢占检查,包括:将所述CBR与设定的CBR阈值进行比对;若所述CBR大于或等于设定的CBR阈值,则确定采用CPS方式进行重评估和/或抢占检查;若所述CBR小于设定的CBR阈值,则确定采用PBPS方式进行重评估和/或抢占检查。
- 根据权利要求8所述的方法,其特征在于,所述CBR阈值是网络侧设备设定的,或者,所述CBR阈值是从网络侧设备配置的CBR阈值集合中选择的。
- 根据权利要求4~8中任一项所述的方法,其特征在于,所述通过部分感知进行重评估和/或抢占检查,包括:若确定采用PBPS方式进行重评估和/或抢占检查,则基于设定的时间周 期,确定PBPS感知时机的位置;基于确定的PBPS感知时机的位置,在重评估和/或抢占检查候选资源集合的第一个时隙或资源重选触发时刻之前进行重评估和/或抢占检查。
- 根据权利要求10所述的方法,其特征在于,所述设定的时间周期包括如下任意一种:根据资源池配置的资源预约周期列表中的周期值确定的PBPS感知周期值;资源池配置的资源预约周期列表中的周期值;网络侧设备配置的参数集合中的周期值。
- 根据权利要求4~8中任一项所述的方法,其特征在于,所述通过部分感知进行重评估和/或抢占检查,包括:若确定采用CPS方式进行重评估和/或抢占检查,则在资源重选触发时刻之前,利用连续的感知时机进行重评估和/或抢占检查。
- 一种终端设备,其特征在于,包括:控制单元,若当前业务的资源预约方式包括部分感知及重评估和/或抢占检查,控制部分感知与重评估和/或抢占检查在时域不重叠;或者,当部分感知与重评估和/或抢占检查在时域上存在重叠部分时,在所述重叠部分,通过部分感知进行重评估和/或抢占检查;预约单元,基于所述重评估和/或抢占检查的感知结果,预约用于传输信息的目标资源。
- 一种终端设备,其特征在于,包括:存储器、收发机以及处理器;所述存储器,用于存储计算机指令;所述收发机,用于在所述处理器的控制下收发数据;所述处理器,用于读取所述存储器中的计算机程序并执行如下步骤:若当前业务的资源预约方式包括部分感知及重评估和/或抢占检查,控制部分感知与重评估和/或抢占检查在时域不重叠;或者,当部分感知与重评估和/或抢占检查在时域上存在重叠部分时,在所述重叠部分,通过部分感知进 行重评估和/或抢占检查;基于所述重评估和/或抢占检查的感知结果,预约用于传输信息的目标资源。
- 根据权利要求14所述的终端设备,其特征在于,所述处理器,还可以用于:确定部分感知的结束时刻;在部分感知的结束时刻之后,进行重评估和/或抢占检查。
- 根据权利要求15所述的终端设备,其特征在于,所述处理器,还可以用于:在部分感知的结束时刻之后,通过持续感知进行重评估和/或抢占检查。
- 根据权利要求14所述的终端设备,其特征在于,所述处理器,还可以用于:根据重评估和/或抢占检查的信息处理时长,确定采用PBPS方式或CPS方式进行重评估和/或抢占检查;或者,根据信道忙碌比CBR,确定采用PBPS方式或CPS方式进行重评估和/或抢占检查。
- 根据权利要求17所述的终端设备,其特征在于,所述处理器,具体用于:若所述重评估和/或抢占检查的信息处理时长大于或等于设定的时长阈值,则确定采用PBPS方式进行重评估和/或抢占检查;若所述重评估和/或抢占检查的信息处理时长小于设定的时长阈值,则确定采用CPS方式进行重评估和/或抢占检查。
- 根据权利要求18所述的终端设备,其特征在于,所述重评估和/或抢占检查的信息处理时长包括如下任意一种时长,每种时长具有对应的时长阈值:重评估和/或抢占检查候选资源集合的第一个时隙与资源选择触发时刻之间的第一时长;重评估和/或抢占检查候选资源集合的第一个时隙与资源选择起始时刻之间的第二时长;资源重选触发时刻与资源选择触发时刻之间的第三时长;资源重选触发时刻与资源选择起始时刻之间的第四时长。
- 根据权利要求18所述的终端设备,其特征在于,所述时长阈值是网络侧设备设定的,或者,所述时长阈值是从网络侧设备配置的时长阈值集合中选择的。
- 根据权利要求17所述的终端设备,其特征在于,所述处理器,具体用于:将所述CBR与设定的CBR阈值进行比对;若所述CBR大于或等于设定的CBR阈值,则确定采用CPS方式进行重评估和/或抢占检查;若所述CBR小于设定的CBR阈值,则确定采用PBPS方式进行重评估和/或抢占检查。
- 根据权利要求21所述的终端设备,其特征在于,所述CBR阈值是网络侧设备设定的,或者,所述CBR阈值是从网络侧设备配置的CBR阈值集合中选择的。
- 根据权利要求17~21中任一项所述的终端设备,其特征在于,所述处理器,具体用于:若确定采用PBPS方式进行重评估和/或抢占检查,则基于设定的时间周期,确定PBPS感知时机的位置;基于确定的PBPS感知时机的位置,在重评估和/或抢占检查候选资源集合的第一个时隙或资源重选触发时刻之前进行重评估和/或抢占检查。
- 根据权利要求23所述的终端设备,其特征在于,所述设定的时间周期包括如下任意一种:根据资源池配置的资源预约周期列表中的周期值确定的PBPS感知周期值;资源池配置的资源预约周期列表中的周期值;网络侧设备配置的参数集合中的周期值。
- 根据权利要求17~21中任一项所述的终端设备,其特征在于,所述处理器,具体用于:若确定采用CPS方式进行重评估和/或抢占检查,则在资源重选触发时刻之前,利用连续的感知时机进行重评估和/或抢占检查。
- 一种计算机可读存储介质,其特征在于,所述存储介质存储有计算机指令,所述计算机指令被处理器执行时实现如权利要求1至12中任一项所述的方法。
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MODERATOR (OPPO): "FL summary for AI 8.11.1.1 - resource allocation for power saving (2nd check point)", 3GPP TSG RAN WG1 #105-E, R1-2106031, 25 May 2021 (2021-05-25), XP052013811 * |
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