WO2022151280A1 - 一种通信方法、装置及存储介质 - Google Patents
一种通信方法、装置及存储介质 Download PDFInfo
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Definitions
- the present disclosure relates to the field of communication technologies, and in particular, to a communication method, device, and storage medium.
- An effective method for sidelink energy saving in R17 New Radio (NR) direct connection communication is to reduce the time for user equipment (User Equipment, UE) to monitor the channel, and the user equipment to monitor the channel in part of the time.
- LTE-V2X in R14 supports partial monitoring resource selection, which defines the channel monitoring conditions that need to be met for partial monitoring resource selection.
- the current sidelink resource selection in R16 supports preemption and re-evaluation mechanisms, which also depend on user monitoring.
- the user equipment Before the selected time-frequency resources are directly connected for transmission, the user equipment needs to determine whether the selected resources are still suitable for transmission according to the results of previous monitoring, and if not, the resources need to be re-selected.
- the selected time-frequency resource is not reserved by other transmissions, it is called re-evaluation.
- preemption When the selected time-frequency resource has been reserved by other transmissions, it is called preemption.
- the present disclosure provides a communication method, device and storage medium.
- a communication method is provided, applied to a user equipment, including:
- the determining a set of time units for which channel monitoring needs to be performed includes: determining a set of time units for which channel monitoring needs to be performed according to a second time unit, wherein the second time unit includes the first time unit.
- the time domain location of the link transmission time frequency resource includes: determining a set of time units for which channel monitoring needs to be performed according to a second time unit, wherein the second time unit includes the first time unit.
- the determining the set of time units that need to perform channel monitoring according to the second time unit includes: determining the set of time units that need to perform channel monitoring according to the first time unit and the second time unit .
- the set of time units includes time units belonging to between m-Ta and n-Tb; wherein, the m is the second time unit, the n is the first time unit, The Ta is a first offset value associated with the second time unit, and the Tb is a second offset value associated with the first time unit.
- the first offset value is a fixed value; alternatively, the first offset value is a predefined default value; alternatively, the first offset value is based on a downlink sent from a network device Control signaling is determined.
- the first offset value is a fixed value
- the fixed value is a maximum time difference between reserved aperiodic direct connection transmission time-frequency resources.
- the second offset value is a predefined default value; or, the first offset value is determined based on the communication capability of the user equipment.
- the first offset value is smaller than the difference between the second time unit and the third time unit; the third time unit selects the first direct transmission time-frequency for the user equipment The time domain position where resource selection is performed; or, the third time unit is the time domain position where the user equipment performs the second direct connection transmission, and the second direct connection transmission reserves the first direct connection Transmission time frequency resources.
- the set of time units includes a time unit corresponding to a difference between the second time unit and a third offset value, where the third offset value is based on a periodic time-frequency of the user equipment
- the resource reservation period value is determined.
- the third offset value is a period value of the periodic time-frequency resource reservation of the user equipment, or an integer multiple of the period value of the periodic time-frequency resource reservation of the user equipment.
- the period value of the periodic time-frequency resource reservation is determined based on a set of period values for periodic resource reservation; the set of period values for periodic resource reservation is determined based on a pre-configured message or based on information from a network device.
- the sent downlink control signaling is determined.
- the determining the set of time units for which channel monitoring needs to be performed includes:
- a set of time units for which channel monitoring needs to be performed is determined, where the first information is used to indicate information for determining the set of time units.
- the first information is determined based on a pre-configuration message or determined based on downlink control signaling sent from a network device.
- the first information is used to indicate one or a combination of the following information:
- a communication apparatus which is applied to a user equipment and includes: a processing unit configured to respond to the user equipment's need to perform a first direct transmission time frequency in a first time unit Re-evaluate or pre-empt resources to determine the time unit set for which channel monitoring needs to be performed, and re-evaluate or pre-empt the first direct transmission time-frequency resource according to the direct-connected channel monitoring result on the time unit set. Preempt judgment.
- the processing unit determines a time unit set for which channel monitoring needs to be performed according to a second time unit, where the second time unit includes a time domain position of the first direct transmission time-frequency resource.
- the processing unit determines, according to the first time unit and the second time unit, a set of time units for which channel monitoring needs to be performed.
- the set of time units includes time units belonging to between m-Ta and n-Tb;
- the m is the second time unit
- the n is the first time unit
- the Ta is the first offset value associated with the second time unit
- the Tb is the first offset value associated with the second time unit. The second offset value associated with the first time unit.
- the first offset value is a fixed value; or the first offset value is a predefined default value; or the first offset value is based on a downlink control sent from a network device signaling is determined.
- the first offset value is a fixed value
- the fixed value is a maximum time difference between reserved aperiodic direct connection transmission time-frequency resources.
- the second offset value is a predefined default value; or, the first offset value is determined based on the communication capability of the user equipment.
- the first offset value is smaller than the difference between the second time unit and the third time unit
- the third time unit is the time domain position for resource selection when the user equipment selects the time-frequency resource for the first direct connection transmission; or, the third time unit is the time when the user equipment performs the second direct connection transmission. domain location, and the second direct-connection transmission reserves the first direct-connection transmission time-frequency resources.
- the set of time units includes a time unit corresponding to a difference between the second time unit and a third offset value, where the third offset value is based on a periodic time-frequency of the user equipment
- the resource reservation period value is determined.
- the third offset value is a period value of the periodic time-frequency resource reservation of the user equipment, or an integer multiple of the period value of the periodic time-frequency resource reservation of the user equipment.
- the period value of the periodic time-frequency resource reservation is determined based on a set of period values for periodic resource reservation; the set of period values for periodic resource reservation is determined based on a pre-configured message or based on information from a network device.
- the sent downlink control signaling is determined.
- the processing unit determines a set of time units for which channel monitoring needs to be performed based on first information, where the first information is used to indicate information for determining the set of time units.
- the first information is determined based on a pre-configuration message or determined based on downlink control signaling sent from a network device.
- the first information is used to indicate one or a combination of the following information:
- the first time unit a second time unit, the second time unit including the time domain position of the first direct connection transmission time-frequency resource; a first offset value associated with the second time unit, and The second offset value associated with the first time unit; the third offset value associated with the second time unit; and the set of time units for which channel monitoring needs to be performed is an empty set.
- a communication device including:
- processor ; memory for storing processor-executable instructions;
- the processor is configured to execute the first aspect or the communication method described in any implementation manner of the first aspect.
- a non-transitory computer-readable storage medium When instructions in the storage medium are executed by a processor, a user equipment can execute the first aspect or any one of the first aspects.
- the technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: when the user equipment needs to perform re-evaluation or pre-preemption judgment, determine the time unit set for which channel monitoring needs to be performed, and according to the direct-connected channel monitoring result on the time unit set , perform re-evaluation or pre-preemption judgment, realize channel monitoring for re-evaluation or pre-preemption, and realize communication energy saving in the case of partial monitoring.
- Fig. 1 is a schematic diagram of a communication system according to an exemplary embodiment.
- Fig. 2 is a flow chart of a communication method according to an exemplary embodiment.
- Fig. 3 is a flow chart of a communication method according to an exemplary embodiment.
- Fig. 4 is a flow chart of a communication method according to an exemplary embodiment.
- Fig. 5 is a flowchart of a communication method according to an exemplary embodiment.
- Fig. 6 is a flowchart of a communication method according to an exemplary embodiment.
- Fig. 7 is a flow chart of a communication method according to an exemplary embodiment.
- FIG. 8 is a schematic diagram of time slot locations for re-evaluation or preemption judgment based on a channel monitoring mechanism according to an exemplary embodiment of the present disclosure.
- Fig. 9 is a block diagram of an apparatus according to an exemplary embodiment.
- Fig. 10 is a block diagram of an apparatus for communication according to an exemplary embodiment.
- the wireless communication system includes user equipment (User Equipment, UE) and network equipment.
- the user equipment is connected to the network equipment through wireless resources, and transmits and receives data.
- the wireless communication system shown in FIG. 1 is only a schematic illustration, and the wireless communication system may also include other network devices, such as core network devices, wireless relay devices, and wireless backhaul devices, etc. Not shown in Figure 1.
- the embodiments of the present disclosure do not limit the number of network devices and the number of user devices included in the wireless communication system.
- the wireless communication system is a network that provides a wireless communication function.
- Wireless communication systems can use different communication technologies, such as code division multiple access (CDMA), wideband code division multiple access (WCDMA), time division multiple access (TDMA) , frequency division multiple access (frequency division multiple access, FDMA), orthogonal frequency division multiple access (orthogonal frequency-division multiple access, OFDMA), single carrier frequency division multiple access (single Carrier FDMA, SC-FDMA), carrier sense Carrier Sense Multiple Access with Collision Avoidance.
- CDMA code division multiple access
- WCDMA wideband code division multiple access
- TDMA time division multiple access
- FDMA frequency division multiple access
- OFDMA orthogonal frequency division multiple access
- single carrier frequency division multiple access single Carrier FDMA, SC-FDMA
- carrier sense Carrier Sense Multiple Access with Collision Avoidance CDMA
- CDMA code division multiple access
- WCDMA wideband code division multiple access
- TDMA time division multiple access
- OFDMA orthogonal
- the network can be divided into 2G (English: generation) network, 3G network, 4G network or future evolution network, such as 5G network, 5G network can also be called a new wireless network ( New Radio, NR).
- 2G International: generation
- 3G network 4G network or future evolution network, such as 5G network
- 5G network can also be called a new wireless network ( New Radio, NR).
- New Radio New Radio
- the present disclosure will sometimes refer to a wireless communication network simply as a network.
- the wireless access network equipment may be: a base station, an evolved node B (base station), a home base station, an access point (AP) in a wireless fidelity (WIFI) system, a wireless relay A node, a wireless backhaul node, a transmission point (TP) or a transmission and reception point (TRP), etc., can also be a gNB in an NR system, or can also be a component or part of a device that constitutes a base station Wait.
- the network device may also be an in-vehicle device. It should be understood that, in the embodiments of the present disclosure, the specific technology and specific device form adopted by the network device are not limited.
- the user equipment involved in the present disclosure may also be referred to as terminal equipment, terminal, mobile station (Mobile Station, MS), mobile terminal (Mobile Terminal, MT), etc.
- the terminal may be a handheld device with a wireless connection function, a vehicle-mounted device, or the like.
- some examples of terminals are: Smartphone (Mobile Phone), Pocket Personal Computer (PPC), PDA, Personal Digital Assistant (PDA), notebook computer, tablet computer, wearable device, or Vehicle equipment, etc.
- the terminal device may also be an in-vehicle device. It should be understood that the embodiments of the present disclosure do not limit the specific technology and specific device form adopted by the terminal.
- Energy saving of user equipment has become a hot research topic in wireless communication technology.
- energy saving is achieved by reducing the time during which the user equipment performs channel monitoring, for example, the user equipment performs channel monitoring in part of the time.
- LTE-V2X in R14 supports partial monitoring resource selection, which defines the channel monitoring conditions that need to be met for partial monitoring resource selection.
- the current Rel-16Mode2 user equipment needs to keep channel monitoring for resource selection.
- resource selection is triggered, a resource selection window and a candidate resource set are determined, and candidate resources that are expected to have strong interference are removed from the resource selection window according to the channel monitoring result, and random selection is performed from the remaining candidate resource sets.
- the current sidelink resource selection in R16 supports preemption and re-evaluation mechanisms, which also depend on user monitoring.
- a user equipment performing partial monitoring supports both preeemption and/or re-evaluation mechanisms, is it necessary to perform channel monitoring for preemption and/or re-evaluation operations in addition to partial monitoring for resource selection, and if so , what kind of channel monitoring conditions should be satisfied is a problem that needs to be solved.
- An embodiment of the present disclosure provides a communication method. For a user equipment that has performed partial monitoring in resource selection, when it is determined that re-evaluation or preemption judgment is required for the selected resource, channel monitoring is performed, and according to the channel monitoring result, the channel monitoring is performed. The selected resources are judged by re-evaluation or preemption.
- Fig. 2 is a flowchart of a communication method according to an exemplary embodiment. As shown in Fig. 2 , the communication method is used in a user equipment and includes the following steps.
- step S11 a set of time units for which channel monitoring needs to be performed is determined.
- the user equipment may be determined that the user equipment needs to perform re-evaluation or preemption judgment, and determine the time unit set that needs to perform channel monitoring.
- the time unit set includes one or more time units.
- the time unit can be understood as the time domain location.
- time unit involved in the embodiments of the present disclosure may be a physical time unit or a logical time unit; Frequency division multiplexing (Orthogonal Frequency Division Multiplexing, OFDM) symbols (symbol), etc.
- the time unit involved in the embodiment of the present disclosure may also be a sequence number corresponding to the time unit containing time-frequency resources in a specific direct connection resource pool arranged in time sequence and numbered.
- the direct connection transmission time-frequency resource for which the user equipment performs re-evaluation or preemption judgment may be referred to as the first direct connection transmission time-frequency resource.
- the time domain position where the user equipment performs re-evaluation or preemption judgment on the selected first direct-connection transmission time-frequency resource is called a first time unit.
- the time domain position of the first direct transmission time-frequency resource is referred to as a second time unit.
- the user equipment may determine a set of time units for which channel monitoring needs to be performed in response to determining that the first direct-connection transmission time-frequency resource needs to be re-evaluated or pre-preempted in the first time unit.
- step S12 re-evaluation or preemption judgment is performed on the first direct-connection transmission time-frequency resource according to the direct-connection channel monitoring result on the determined time unit set.
- the user equipment performs direct channel monitoring on the set of time units that need to perform channel monitoring, excludes the candidate resource set according to the direct channel monitoring result, and performs re-evaluation or preemption according to the resource exclusion result judge.
- a set of time units to be monitored for re-evaluation or preemption judgment may be determined according to the second time unit.
- Fig. 3 is a flowchart of a communication method according to an exemplary embodiment. As shown in Fig. 3 , the communication method is used in a user equipment and includes the following steps.
- step S21 according to the second time unit, a set of time units for which channel monitoring needs to be performed is determined.
- the second time unit includes the time domain position of the first direct transmission time-frequency resource, and the second time unit is after the first time unit.
- the first time unit is a time domain position where the user equipment performs re-evaluation or preemption judgment on the selected first direct-connection transmission time-frequency resource.
- the user equipment performs re-evaluation or preemption judgment on the selected first direct transmission time-frequency resource in time unit n, and the first direct transmission time-frequency resource is located in time unit m, then m is greater than n.
- the user equipment may determine, according to the time domain position (second time unit) of the first direct-connected transmission time-frequency resource, the set of time units that need to monitor for re-evaluation or preemption judgment.
- the user equipment excludes the candidate resource set according to the direct connection channel monitoring result on the time unit set for which channel monitoring needs to be performed, and performs re-evaluation or preemption judgment according to the resource exclusion result.
- the candidate resource set after resource exclusion does not include the first direct transmission time-frequency resource, report the first time-frequency resource re-evaluation to the upper layer, and the higher layer may The transmission on the first time-frequency resource will be cancelled and the resource selection will be performed again.
- the upper layer may cancel the transmission on the first time-frequency resource and perform resource selection again.
- the set of time units to be monitored for re-evaluation or preemption judgment may be determined according to the first time unit and the second time unit.
- Fig. 4 is a flow chart of a communication method according to an exemplary embodiment. As shown in Fig. 4 , the communication method is used in a user equipment and includes the following steps.
- step S31 according to the first time unit and the second time unit, a set of time units for which channel monitoring needs to be performed is determined.
- the set of time units that need to perform channel monitoring according to the first time unit and the second time unit it may be based on the processing capability of the user equipment for resource selection, and/or the user equipment used for direct connection transmission.
- the periodic or aperiodic time-frequency resource determines an offset value associated with the first time unit and/or the second time unit, and determines a set of time units for which channel monitoring needs to be performed based on the offset value.
- the first offset value associated with the second time unit may be set, or the first offset value associated with the first time unit may be set.
- Two offset values Based on the first time unit, the first offset value, the second time unit, and the second offset value, a set of time units for which channel monitoring needs to be performed is determined.
- Fig. 5 is a flowchart of a communication method according to an exemplary embodiment. As shown in Fig. 5 , the communication method is used in a user equipment and includes the following steps.
- step S41 based on the first time unit, the first offset value, the second time unit, and the second offset value, a set of time units for which channel monitoring needs to be performed is determined.
- the first offset value associated with the second time unit is a fixed value; or, the first offset value associated with the second time unit is a predefined default value; or, the first offset value associated with the second time unit The associated first offset value is determined based on downlink control signaling sent from the network device.
- the fixed value may be determined based on the maximum time difference between the reserved aperiodic direct connection transmission time-frequency resources.
- the second offset value associated with the first time unit is a predefined default value; or, the first offset value associated with the first time unit is determined based on the communication capability of the user equipment.
- the second offset value associated with the first time unit can be understood as the processing time of the user equipment, which can be specified by the protocol, or depends on the user's capability; for example, the value of the second offset value can be determined by 3GPP Given in Table 8.1.4-1 of TS 38.214 v16.3.0.
- the set of time units required for channel monitoring includes time units belonging to between m-Ta and n-Tb.
- m is the second time unit
- n is the first time unit
- Ta is the first offset value associated with the second time unit
- Tb is the second offset value associated with the first time unit.
- the first offset value is a fixed value; or, the first offset value is a predefined default value; or, the first offset value is determined based on downlink control signaling sent from the network device.
- the fixed value when the first offset value is a fixed value, the fixed value may be determined based on the maximum time difference between the reserved aperiodic direct connection transmission time-frequency resources.
- the first offset value is smaller than the difference between the second time unit and the third time unit.
- the third time unit is a time domain position for resource selection when the user equipment selects the first direct transmission time-frequency resource.
- Ta in response to the user equipment performing re-evaluation, assuming that the user equipment performs resource selection at time unit x and selects the first time-frequency resource at time unit n, Ta should be less than m-x.
- the first offset value is smaller than the difference between the second time unit and the third time unit.
- the third time unit is the time domain position where the user equipment performs the second direct connection transmission
- the second direct connection transmission reserves the first direct connection transmission time and frequency resources.
- the second direct connection transmission reserves the time-frequency resources of the first direct connection transmission in the time unit m, then Ta should be less than m-x.
- a third offset value associated with the second time unit may be set. Based on the second time unit and the third offset value, a set of time units for which channel monitoring needs to be performed is determined.
- the third offset value is determined based on the periodic time-frequency resource reservation period value of the user equipment.
- the third offset value may be a period value for the user equipment to perform periodic time-frequency resource reservation, or the third offset value may also be an integer multiple of the period value for the user equipment to perform periodic time-frequency resource reservation .
- the magnitude of the third offset value is less than or equal to the set duration threshold.
- the set duration threshold may be specified by a protocol, or may be pre-configured, or may be determined based on downlink signaling sent from a network device.
- Fig. 6 is a flow chart of a communication method according to an exemplary embodiment. As shown in Fig. 6 , the communication method is used in a user equipment and includes the following steps.
- step S51 based on the second time unit and the third offset value, a set of time units for which channel monitoring needs to be performed is determined.
- the set of time units required to perform channel monitoring in this embodiment of the present disclosure includes a second time unit and a time unit corresponding to a difference between a third offset value, where the third offset value is based on the periodic time of the user equipment.
- the frequency resource reservation period value is determined.
- the third offset value may be a periodic time-frequency resource reservation period value of the user equipment, or may be an integer multiple of the periodic time-frequency resource reservation period value of the user equipment.
- the set of time units that need to perform channel monitoring includes time units m-Tp.
- Tp is a period value for the user equipment to perform periodic time-frequency resource reservation or an integer multiple of the period value for the user equipment to perform periodic time-frequency resource reservation.
- the third offset value may be a periodic time-frequency resource reservation period value of the user equipment.
- the user equipment obtains a set of periodic resource reservation period values ⁇ T1, . , 1 ⁇ p ⁇ P.
- the third offset value is an integer multiple of a periodic time-frequency resource reservation period value of the user equipment.
- the user equipment obtains a set of periodic resource reservation period values ⁇ T1,...,TP ⁇ by pre-configuring or receiving the configuration information of downlink control signaling sent by the network equipment; ,...,T1*K1,T2,...,T2*K2,...,TP,...,TP*KP ⁇ , where K1,...,KP are integers; and Kp*Tp does not exceed min (100ms, m-x).
- the periodic time-frequency resource reservation period value is determined based on a set of periodic resource reservation period values.
- the set of period values for the periodic resource reservation is determined based on the pre-configuration message or based on downlink control signaling sent from the network device.
- a set of periodic resource reservation period values ⁇ T1, . . . , TP ⁇ are obtained by pre-configuring or receiving configuration information of downlink control signaling of the base station.
- a subset of a group of configurations is obtained through the second pre-configuration or the second configuration information of the downlink control signaling of the base station, and Tp is an element in the subset.
- the periodic resource reservation is an optional configuration, and only when the resource pool configuration supports periodic resource reservation is applicable. 's implementation.
- the user equipment can determine, according to the configuration information, how to determine the set of time units for which channel monitoring needs to be performed.
- the information for indicating the time unit set for determining the time unit set will be referred to as first information.
- Fig. 7 is a flow chart of a communication method according to an exemplary embodiment. As shown in Fig. 7 , the communication method is used in a user equipment and includes the following steps.
- step S61 based on the first information, a set of time units for which channel monitoring needs to be performed is determined.
- the first information is used to indicate the information used to determine the time unit set.
- the first information is used to indicate one or a combination of the following information:
- the set of time units that need to perform channel monitoring is an empty set.
- the first information may be obtained by pre-configuration or by receiving a downlink signaling instruction sent from the base station.
- the user equipment determines the channel listening time unit according to the Rel16 NR V2x method.
- the user equipment may randomly select the time unit for monitoring according to the implementation.
- the user equipment when the user equipment needs to perform re-evaluation or pre-preemption judgment, determine the time unit set for which channel monitoring needs to be performed, and perform re-evaluation or pre-emption according to the direct-connected channel monitoring result on the time unit set.
- Preemption judgment realizes channel monitoring for re-evaluation or pre-preemption, and realizes communication energy saving in the case of partial monitoring.
- FIG. 8 is a schematic diagram of time slot locations for re-evaluation or preemption judgment based on a channel monitoring mechanism according to an exemplary embodiment of the present disclosure.
- the user equipment performs resource selection at time unit x, and the user equipment performs re-evaluation or preemption judgment on the time-frequency resources selected at time unit m for direct connection transmission at time unit n.
- m is greater than n, that is, the time unit n is earlier than the time unit m.
- the first offset value associated with the time unit m is Ta
- the second offset value associated with the first time unit is Tb.
- Ta should be less than m-x.
- the set of time units that need to perform channel monitoring may be the time unit between m-Ta and n-Tb as shown in FIG. 8 .
- performing channel monitoring on the time unit between m-Ta and n-Tb can reduce the energy consumption of the channel monitoring by the user equipment compared to performing channel monitoring on the time unit between x and n.
- an embodiment of the present disclosure also provides a communication device.
- the communication apparatus includes corresponding hardware structures and/or software modules for executing each function.
- the embodiments of the present disclosure can be implemented in hardware or a combination of hardware and computer software. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the technical solutions of the embodiments of the present disclosure.
- Fig. 9 is a block diagram of a communication device according to an exemplary embodiment.
- the communication device 100 includes a processing unit 101 .
- the communication apparatus 100 is applied to user equipment.
- the processing unit 101 is configured to, in response to the user equipment needing to perform re-evaluation or pre-preemption judgment on the first direct connection transmission time-frequency resource in the first time unit, determine the time unit set for which channel monitoring needs to be performed, and according to the time unit set The monitoring result of the direct-connected channel is obtained, and the first direct-connection transmission time-frequency resource is re-evaluated or pre-empted.
- the processing unit 101 determines a set of time units for which channel monitoring needs to be performed according to a second time unit, where the second time unit includes a time domain position of the first direct transmission time-frequency resource.
- the processing unit 101 determines, according to the first time unit and the second time unit, a set of time units for which channel monitoring needs to be performed.
- the set of time units includes time units belonging to between m-Ta and n-Tb;
- m is the second time unit
- n is the first time unit
- Ta is the first offset value associated with the second time unit
- Tb is the second offset value associated with the first time unit
- the first offset value is a fixed value; or the first offset value is a predefined default value; or the first offset value is determined based on downlink control signaling sent from the network device.
- the first offset value is a fixed value
- the fixed value is a maximum time difference between the reserved aperiodic direct connection transmission time-frequency resources.
- the second offset value is a predefined default value; or, the first offset value is determined based on the communication capability of the user equipment.
- the first offset value is smaller than the difference between the second time unit and the third time unit
- the third time unit is the time domain position where the user equipment selects the time-frequency resource for the first direct connection transmission; or, the third time unit is the time domain position where the user equipment performs the second direct connection transmission, and the second direct connection transmission
- the first direct connection transmission time-frequency resource is reserved.
- the time unit set includes a second time unit and a time unit corresponding to a difference between a third offset value, where the third offset value is determined based on a periodic time-frequency resource reservation period value of the user equipment.
- the third offset value is a period value of the periodic time-frequency resource reservation of the user equipment, or an integer multiple of the period value of the periodic time-frequency resource reservation of the user equipment.
- the periodic time-frequency resource reservation period value is determined based on a set of periodic resource reservation period values.
- the set of period values for the periodic resource reservation is determined based on the pre-configuration message or based on downlink control signaling sent from the network device.
- the processing unit 101 determines, based on the first information, a set of time units for which channel monitoring needs to be performed, and the first information is used to indicate information for determining the set of time units.
- the first information is determined based on a pre-configuration message or determined based on downlink control signaling sent from a network device.
- the first information is used to indicate one or a combination of the following information:
- a first time unit a second time unit, where the second time unit includes the time domain position of the first direct transmission time-frequency resource; the first offset value associated with the second time unit, and the first time unit associated with the first time unit; Two offset values; a third offset value associated with the second time unit; and the set of time units for which channel monitoring needs to be performed is an empty set.
- FIG. 10 is a block diagram of an apparatus 200 for communication according to an exemplary embodiment.
- apparatus 200 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
- apparatus 200 may include one or more of the following components: processing component 202, memory 204, power component 206, multimedia component 208, audio component 210, input/output (I/O) interface 212, sensor component 214, and Communication component 216 .
- the processing component 202 generally controls the overall operation of the device 200, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
- the processing component 202 may include one or more processors 220 to execute instructions to perform all or some of the steps of the methods described above.
- processing component 202 may include one or more modules that facilitate interaction between processing component 202 and other components.
- processing component 202 may include a multimedia module to facilitate interaction between multimedia component 208 and processing component 202.
- Memory 204 is configured to store various types of data to support operation at device 200 . Examples of such data include instructions for any application or method operating on the device 200, contact data, phonebook data, messages, pictures, videos, and the like. Memory 204 may be implemented by any type of volatile or non-volatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
- SRAM static random access memory
- EEPROM electrically erasable programmable read only memory
- EPROM erasable Programmable Read Only Memory
- PROM Programmable Read Only Memory
- ROM Read Only Memory
- Magnetic Memory Flash Memory
- Magnetic or Optical Disk Magnetic Disk
- Power components 206 provide power to various components of device 200 .
- Power components 206 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to device 200 .
- the multimedia component 208 includes a screen that provides an output interface between the device 200 and the user.
- the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
- the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. The touch sensor may not only sense the boundaries of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action.
- the multimedia component 208 includes a front-facing camera and/or a rear-facing camera. When the apparatus 200 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
- Audio component 210 is configured to output and/or input audio signals.
- audio component 210 includes a microphone (MIC) that is configured to receive external audio signals when device 200 is in operating modes, such as call mode, recording mode, and voice recognition mode.
- the received audio signal may be further stored in memory 204 or transmitted via communication component 216 .
- the audio component 210 also includes a speaker for outputting audio signals.
- the I/O interface 212 provides an interface between the processing component 202 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
- Sensor assembly 214 includes one or more sensors for providing status assessments of various aspects of device 200 .
- the sensor assembly 214 can detect the open/closed state of the device 200, the relative positioning of components, such as the display and keypad of the device 200, and the sensor assembly 214 can also detect a change in the position of the device 200 or a component of the device 200 , the presence or absence of user contact with the device 200 , the orientation or acceleration/deceleration of the device 200 and the temperature change of the device 200 .
- Sensor assembly 214 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
- Sensor assembly 214 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
- the sensor assembly 214 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
- Communication component 216 is configured to facilitate wired or wireless communication between apparatus 200 and other devices.
- Device 200 may access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof.
- the communication component 216 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
- the communication component 216 also includes a near field communication (NFC) module to facilitate short-range communication.
- NFC near field communication
- the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
- RFID radio frequency identification
- IrDA infrared data association
- UWB ultra-wideband
- Bluetooth Bluetooth
- apparatus 200 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
- ASICs application specific integrated circuits
- DSPs digital signal processors
- DSPDs digital signal processing devices
- PLDs programmable logic devices
- FPGA field programmable A gate array
- controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
- non-transitory computer-readable storage medium including instructions, such as a memory 204 including instructions, executable by the processor 220 of the apparatus 200 to perform the method described above.
- the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
- first, second, etc. are used to describe various information, but the information should not be limited to these terms. These terms are only used to distinguish the same type of information from one another, and do not imply a particular order or level of importance. In fact, the expressions “first”, “second” etc. are used completely interchangeably.
- the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information, without departing from the scope of the present disclosure.
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Abstract
Description
Claims (30)
- 一种通信方法,其特征在于,应用于用户设备,包括:响应于用户设备需要在第一时间单元对第一直连传输时间频率资源进行重新评估或预抢占判断,确定需要进行信道监听的时间单元集合;根据所述时间单元集合上的直连信道监听结果,对所述第一直连传输时间频率资源进行重新评估或预抢占判断。
- 根据权利要求1所述的通信方法,其特征在于,所述确定需要进行信道监听的时间单元集合,包括:根据第二时间单元,确定需要进行信道监听的时间单元集合,其中,所述第二时间单元包括所述第一直连传输时间频率资源的时域位置。
- 根据权利要求2所述的通信方法,其特征在于,所述根据第二时间单元,确定需要进行信道监听的时间单元集合,包括:根据所述第一时间单元和所述第二时间单元,确定需要进行信道监听的时间单元集合。
- 根据权利要求3所述的通信方法,其特征在于,所述时间单元集合包含属于m-Ta和n-Tb之间的时间单元;其中,所述m为所述第二时间单元,所述n为所述第一时间单元,所述Ta为与所述第二时间单元关联的第一偏移值,所述Tb为与所述第一时间单元关联的第二偏移值。
- 根据权利要求4所述的通信方法,其特征在于,所述第一偏移值为固定值;或者所述第一偏移值为预定义的默认值;或者,所述第一偏移值是基于来自网络设备发送的下行控制信令确定的。
- 根据权利要求5所述的通信方法,其特征在于,所述第一偏移值为固定值,所述固定值为预留的非周期性直连传输时频资源之间的最大时间差。
- 根据权利要求4所述的通信方法,其特征在于,所述第二偏移值为预定义的默认值;或者,所述第一偏移值是基于所述用户设备的通信能力确定。
- 根据权利要求4所述的通信方法,其特征在于,所述第一偏移值小于所述第二时间单元与第三时间单元之间的差值;所述第三时间单元为所述用户设备选择第一直连传输时频资源时进行资源选择的时 域位置;或者,所述第三时间单元为所述用户设备进行第二直连传输的时域位置,所述第二直连传输预留了所述第一直连传输时间频率资源。
- 根据权利要求2所述的通信方法,其特征在于,所述时间单元集合包括所述第二时间单元以及第三偏移值之间差值对应的时间单元,所述第三偏移值基于所述用户设备的周期性时频资源预留周期值确定。
- 根据权利要求9所述的通信方法,其特征在于,所述第三偏移值为所述用户设备的周期性时频资源预留周期值,或者所述用户设备的周期性时频资源预留周期值的整数倍。
- 根据权利要求10所述的通信方法,其特征在于,所述周期性时频资源预留周期值基于周期性资源预留的周期值集合确定;所述周期性资源预留的周期值集合基于预配置消息确定或基于来自网络设备发送的下行控制信令确定。
- 根据权利要求1所述的通信方法,其特征在于,所述确定需要进行信道监听的时间单元集合,包括:基于第一信息,确定需要进行信道监听的时间单元集合,所述第一信息用于指示用于确定所述时间单元集合的信息。
- 根据权利要求12所述的通信方法,其特征在于,所述第一信息基于预配置消息确定或基于来自网络设备发送的下行控制信令确定。
- 根据权利要求12所述的通信方法,其特征在于,所述第一信息用于指示如下信息之一或组合:所述第一时间单元;第二时间单元,所述第二时间单元包括所述第一直连传输时间频率资源的时域位置;与所述第二时间单元关联的第一偏移值,以及与所述第一时间单元关联的第二偏移值;与所述第二时间单元关联的第三偏移值;以及需要进行信道监听的时间单元集合为空集。
- 一种通信装置,其特征在于,应用于用户设备,包括:处理单元,被配置为响应于用户设备需要在第一时间单元对第一直连传输时间频率资源进行重新评估或预抢占判断,确定需要进行信道监听的时间单元集合,并根据所述时间单元集合上的直连信道监听结果,对所述第一直连传输时间频率资源进行重新评估或预抢占判断。
- 根据权利要求15所述的通信装置,其特征在于,所述处理单元根据第二时间单元,确定需要进行信道监听的时间单元集合,其中,所述第二时间单元包括所述第一直连传输时间频率资源的时域位置。
- 根据权利要求16所述的通信装置,其特征在于,所述处理单元根据所述第一时间单元和所述第二时间单元,确定需要进行信道监听的时间单元集合。
- 根据权利要求17所述的通信装置,其特征在于,所述时间单元集合包含属于m-Ta和n-Tb之间的时间单元;其中,所述m为所述第二时间单元,所述n为所述第一时间单元,所述Ta为与所述第二时间单元关联的第一偏移值,所述Tb为与所述第一时间单元关联的第二偏移值。
- 根据权利要求18所述的通信装置,其特征在于,所述第一偏移值为固定值;或者所述第一偏移值为预定义的默认值;或者,所述第一偏移值是基于来自网络设备发送的下行控制信令确定的。
- 根据权利要求19所述的通信装置,其特征在于,所述第一偏移值为固定值,所述固定值为预留的非周期性直连传输时频资源之间的最大时间差。
- 根据权利要求18所述的通信装置,其特征在于,所述第二偏移值为预定义的默认值;或者,所述第一偏移值是基于所述用户设备的通信能力确定。
- 根据权利要求18所述的通信装置,其特征在于,所述第一偏移值小于所述第二时间单元与第三时间单元之间的差值;所述第三时间单元为所述用户设备选择第一直连传输时频资源时进行资源选择的时域位置;或者,所述第三时间单元为所述用户设备进行第二直连传输的时域位置,所述第二直连传输预留了所述第一直连传输时间频率资源。
- 根据权利要求16所述的通信装置,其特征在于,所述时间单元集合包括所述第二时间单元以及第三偏移值之间差值对应的时间单元,所述第三偏移值基于所述用户设备的周期性时频资源预留周期值确定。
- 根据权利要求23所述的通信装置,其特征在于,所述第三偏移值为所述用户设备的周期性时频资源预留周期值,或者所述用户设备的周期性时频资源预留周期值的整数 倍。
- 根据权利要求24所述的通信装置,其特征在于,所述周期性时频资源预留周期值基于周期性资源预留的周期值集合确定;所述周期性资源预留的周期值集合基于预配置消息确定或基于来自网络设备发送的下行控制信令确定。
- 根据权利要求15所述的通信装置,其特征在于,所述处理单元基于第一信息,确定需要进行信道监听的时间单元集合,所述第一信息用于指示用于确定所述时间单元集合的信息。
- 根据权利要求26所述的通信装置,其特征在于,所述第一信息基于预配置消息确定或基于来自网络设备发送的下行控制信令确定。
- 根据权利要求26所述的通信装置,其特征在于,所述第一信息用于指示如下信息之一或组合:所述第一时间单元;第二时间单元,所述第二时间单元包括所述第一直连传输时间频率资源的时域位置;与所述第二时间单元关联的第一偏移值,以及与所述第一时间单元关联的第二偏移值;与所述第二时间单元关联的第三偏移值;以及需要进行信道监听的时间单元集合为空集。
- 一种通信装置,其特征在于,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为执行权利要求1至14中任意一项所述的通信方法。
- 一种非临时性计算机可读存储介质,当所述存储介质中的指令由处理器执行时,使得用户设备能够执行权利要求1至14中任意一项所述的通信方法。
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WO2023108499A1 (zh) * | 2021-12-15 | 2023-06-22 | 北京小米移动软件有限公司 | 直连通信资源选择方法及装置 |
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CN108024266A (zh) * | 2016-11-04 | 2018-05-11 | 北京信威通信技术股份有限公司 | 一种v2x通信中基于监听的资源排除方法 |
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SG11202002184TA (en) * | 2017-09-15 | 2020-04-29 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Method and device for selecting resources |
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CN111526540A (zh) * | 2019-02-01 | 2020-08-11 | 北京三星通信技术研究有限公司 | 一种旁路通信系统的资源分配方法及设备 |
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BR112023014126A2 (pt) | 2023-10-31 |
JP2024502679A (ja) | 2024-01-22 |
US20240073871A1 (en) | 2024-02-29 |
CN112840708A (zh) | 2021-05-25 |
EP4280700A1 (en) | 2023-11-22 |
KR20230126737A (ko) | 2023-08-30 |
CN112840708B (zh) | 2024-03-26 |
EP4280700A4 (en) | 2024-03-06 |
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