WO2020221259A1 - 传输方式确定方法和装置 - Google Patents
传输方式确定方法和装置 Download PDFInfo
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Definitions
- This application relates to the field of communications, and in particular to a method and device for determining a transmission mode.
- V2V Device-to-device
- V2P vehicle-to-pedestrian
- V2I vehicle-to-infrastructure
- V2I/N Vehicle to network communication is a technology for direct communication between terminal devices (terminal devices).
- V2V, V2P, V2I and V2N are collectively referred to as vehicle to everything V2X (vehicle to everything, V2X) communication. Communicate with anything.
- terminal devices are supported to communicate based on the independently selected transmission mode and transmission parameters.
- different terminal devices can seize resources according to the independently selected transmission mode and transmission parameters, which may be in scenarios with more users or less spectrum resources. Next, conflicts between transmission resources are generated.
- the embodiments of the present application provide a method and device for determining a transmission mode, which are used to achieve better independent selection of a data transmission mode and/or transmission parameters.
- a method for determining a transmission mode includes: a first device measures a first resource set according to first information to obtain a first measurement value, wherein the first information includes at least one of the following information : The subcarrier interval of the first resource set, the quality of service parameters of the first data, and the feedback information between the first device and the second device; the first resource set is used for the transmission of the first data; the first device uses the first measurement The value determines the transmission mode of the first data, and/or the first device determines the transmission parameter of the first data according to the first measurement value.
- a measurement value is obtained by measuring a resource set according to the first information, and the data transmission mode and/or transmission parameter is determined according to the measurement value. Since the first information takes into account the subcarrier spacing of the first resource set during the data transmission process, the quality of service parameters of the first data, the feedback information between the first device and the second device, etc., a better independent data selection is realized The transmission method and/or transmission parameters.
- the method further includes: the first device sends the first data to the second device according to the transmission mode and/or the transmission parameter.
- the first data includes at least one of the following data: side-link data, side-link control information, and side-link feedback information.
- the first measurement value includes at least one of the following measurement values: received signal strength indication information, reference signal received power, channel busy ratio, and channel occupation ratio.
- the quality of service parameter of the first data includes at least one of the following information: the service type of the first data, the priority information of the first data, the delay parameter of the first data, the first data The packet error rate of the data, the packet size of the first data, and the minimum communication distance of the first data; wherein the service type of the first data is periodic service or aperiodic service.
- the subcarrier interval of the first resource set includes any one of the following subcarrier intervals: 15kHz, 30kHz, 60kHz, 120kHz, 240kHz.
- the subcarrier spacing of the first resource set can be used to determine the start symbol and the end symbol of the measurement window.
- the feedback information includes: channel state information CSI feedback information and/or hybrid automatic repeat request HARQ response information received by the first device from the second device; or, the first device sends to the second device CSI feedback information and/or HARQ response information of the device.
- the first device measures the first resource set according to the first information to obtain the first measurement value, including: the first device determines the size of the measurement window according to the first information, and/or the first The device determines the start symbol and the end symbol of the measurement window according to the first information, where the size of the measurement window refers to the amount of time domain resources and/or frequency domain resources used by the first device to measure the first resource set in the measurement window Quantity; the first device measures the first resource set in the measurement window to obtain the first measurement value according to the size, start symbol, and end symbol of the measurement window.
- the time domain resources include time slots and/or symbols in the first resource set
- the frequency domain resources include resource blocks and/or subchannels.
- the measurement window includes a first measurement window and a second measurement window
- the first information includes a quality of service parameter
- the quality of service parameter is the priority of the first data
- the data with the higher priority corresponds to the first Measurement window
- the data with low priority corresponds to the second measurement window
- the service quality parameter is the delay parameter of the first data
- the data with high delay corresponds to the first measurement window
- the data with low delay corresponds to the second measurement window
- the service quality parameter is the packet error rate of the first data, then the data with the high packet error rate corresponds to the first measurement window, and the data with the low packet error rate corresponds to the second measurement window
- the service quality parameter is the first data Service type, the data of periodic service corresponds to the first measurement window, and the data of aperiodic service corresponds to the second measurement window.
- Different types of values can be selected according to the quality of service parameters, and the first data corresponds to different measurement windows.
- the first measurement window and the second measurement window occupy different resources in the time domain, or the first measurement window occupies more time domain resources than the second measurement window, or the first The measurement window and the second measurement window may partially or completely overlap in the time domain.
- the first measurement window and the second measurement window are associated with corresponding measurement thresholds.
- the first information includes the subcarrier spacing of the first resource set. If the subcarrier spacing of the first resource set is 15kHz or 30kHz, the start symbol is the second symbol in the time slot, and the end The symbol is the penultimate symbol in the slot; or, if the subcarrier spacing of the first resource set is 60kHz, the start symbol is the third symbol in the slot, and the end symbol is the second penultimate in the slot Symbol; or, the subcarrier spacing of the first resource set is 120kHz, the start symbol is the fifth symbol in the time slot, and the end symbol is the penultimate symbol in the time slot.
- the time slot is each time slot in which the first data is transmitted, or is the first time slot in K consecutive time slots, where K is an integer greater than 1.
- that the first device measures the first resource set according to the first information to obtain the first measurement value includes: the first device measures the first resource set according to the first information to obtain the second measurement value And a third measurement value; the first device obtains the first measurement value according to the second measurement value and the third measurement value.
- the first measurement value is the channel occupancy ratio
- the first resource set includes the second resource set and the third resource set
- the second measurement value is the number of occupied subchannels
- the third measurement value is The number of sub-channels sent
- the first device measures the first resource set according to the first information to obtain the second measured value and the third measured value, including: the first device measures the second resource set according to the first information to obtain the occupied The number of subchannels.
- the first device determines the number of subchannels to be sent in the third resource set according to the first information.
- the first device obtaining the first measurement value according to the second measurement value and the third measurement value includes: the first device obtains the channel occupancy ratio according to the number of subchannels occupied and the number of subchannels to be transmitted.
- the number of subchannels to be sent includes at least one of the following information: retransmission resources corresponding to the negative response detected by the first device; retransmission resources corresponding to the negative response generated by the first device ; The reserved resources indicated in the control information detected by the first device.
- the first device determining the transmission parameter of the first data according to the first measurement value includes: the first device obtains the first configuration information; the first device determines the transmission parameter according to the first configuration information and the first measurement value The transmission parameter of the first data; wherein the first configuration information includes a value set of the first measurement value corresponding to the quality of service parameter, and at least one of the following transmission parameters associated with the quality of service parameter: modulation and coding mode, transmission The number of block transmissions, the number of feedback resources, the number of data channel resources, the maximum transmission power, time delay, transmission distance, data packet size, and packet error rate.
- the first device determining the transmission mode of the first data according to the first measurement value includes: if the first measurement value meets a preset condition, the first device discards the first data; or The device switches the first data from HARQ response transmission to transmission of the preset number of transmissions; or, the first device discards the first data without HARQ response; or, the first device discards the first data of HARQ transmission with the lowest priority; Or, the first device discards the first data whose transmission distance exceeds the transmission distance threshold; or, the first device discards the first data whose transmission delay exceeds the transmission delay threshold.
- This implementation mode can improve the communication quality of the network and better select the transmission mode.
- that the first measurement value satisfies the preset condition includes: one or more of the first measurement values are greater than the preset threshold value.
- the preset threshold is determined by at least one of the first information; or, the transmission of the first data with HARQ response and the transmission of the first data without HARQ response configure independent presets. Set the threshold.
- the first resource set corresponds to at least one of the following channels: a data channel, a control channel, and a feedback channel.
- independent measurement thresholds are configured for different channels.
- the control channel is located within the time-frequency resource of the time slot where the data channel is located, and the method further includes: when the first device measures the resource corresponding to the data channel, it does not measure the resource corresponding to the control channel Or, when the first device measures the resource corresponding to the data channel, it simultaneously measures the resource corresponding to the control channel and the resource corresponding to the data channel.
- the feedback channel is located within the time-frequency resource of the time slot where the data channel is located, and the method further includes: when the first device measures the resource corresponding to the data channel, it does not measure the resource corresponding to the feedback channel Or, when the first device measures the resource corresponding to the data channel, it simultaneously measures the resource corresponding to the feedback channel and the resource corresponding to the data channel.
- the first device when the first device measures the resource corresponding to the feedback channel, it only measures the resource corresponding to the feedback channel, and the resource corresponding to the feedback channel is located at the end of every N time slots in the first resource set. M symbols, where M and N are positive integers.
- the method further includes: when the first device measures the resource corresponding to the feedback channel, the measured time domain resource does not include the first K symbols of the M symbols, and the value of K is determined by the subcarrier spacing OK, where K is a positive integer.
- the feedback channel that only feeds back negative responses and the feedback channel that feeds back positive responses or negative responses are configured with independent preset thresholds.
- the method further includes: the first device sends the first measurement value to the network device.
- the network device may adjust the time-frequency resource for data transmission according to the first measurement value.
- a communication device including: a transceiver module, configured to measure a first resource set according to first information to obtain a first measurement value, wherein the first information includes at least one of the following information: The subcarrier interval of a resource set, the quality of service parameters of the first data, the feedback information between the first device and the second device; the first resource set is used for the transmission of the first data; the processing module is used for the first measurement The value determines the transmission mode of the first data, and/or the first device determines the transmission parameter of the first data according to the first measurement value.
- the transceiver module is further configured to send the first data to the second device according to the transmission mode and/or transmission parameters.
- the first data includes at least one of the following data: side-link data, side-link control information, and side-link feedback information.
- the first measurement value includes at least one of the following measurement values: received signal strength indication information, reference signal received power, channel busy ratio, and channel occupation ratio.
- the quality of service parameter of the first data includes at least one of the following information: the service type of the first data, the priority information of the first data, the delay parameter of the first data, the first data The packet error rate of the data, the packet size of the first data, and the minimum communication distance of the first data; wherein the service type of the first data is periodic service or aperiodic service.
- the subcarrier interval of the first resource set includes any one of the following subcarrier intervals: 15kHz, 30kHz, 60kHz, 120kHz, 240kHz.
- the feedback information includes: channel state information CSI feedback information and/or hybrid automatic repeat request HARQ response information received by the first device from the second device; or, the first device sends to the second device CSI feedback information and/or HARQ response information of the device.
- the processing module is specifically configured to determine the size of the measurement window according to the first information, and/or determine the start symbol and the end symbol of the measurement window according to the first information, where the size of the measurement window Refers to the number of time-domain resources and/or frequency-domain resources used by the first device to measure the first resource set in the measurement window; the transceiver module is specifically used to set the measurement window according to the size, start symbol, and end symbol of the measurement window.
- the first measurement value is obtained by measuring the first resource set in the measurement window.
- the time domain resources include time slots and/or symbols in the first resource set
- the frequency domain resources include resource blocks and/or subchannels.
- the measurement window includes a first measurement window and a second measurement window
- the first information includes a quality of service parameter
- the quality of service parameter is the priority of the first data
- the data with the higher priority corresponds to the first Measurement window
- the data with low priority corresponds to the second measurement window
- the service quality parameter is the delay parameter of the first data
- the service quality parameter is the packet error rate of the first data
- the data with the high packet error rate corresponds to the first measurement window
- the data with the low packet error rate corresponds to the second measurement window
- the service quality parameter is the first data Service type, the data of periodic service corresponds to the first measurement window, and the data of aperiodic service corresponds to the second measurement window.
- the first measurement window and the second measurement window occupy different resources in the time domain, or the first measurement window occupies more time domain resources than the second measurement window, or the first The measurement window and the second measurement window may partially or completely overlap in the time domain.
- the first measurement window and the second measurement window are associated with corresponding measurement thresholds.
- the first information includes the subcarrier spacing of the first resource set. If the subcarrier spacing of the first resource set is 15kHz or 30kHz, the start symbol is the second symbol in the time slot, and the end The symbol is the penultimate symbol in the slot; or, if the subcarrier spacing of the first resource set is 60kHz, the start symbol is the third symbol in the slot, and the end symbol is the second penultimate in the slot Symbol; or, the subcarrier spacing of the first resource set is 120kHz, the start symbol is the fifth symbol in the time slot, and the end symbol is the penultimate symbol in the time slot.
- the time slot is each time slot in which the first data is transmitted, or is the first time slot in K consecutive time slots, where K is an integer greater than 1.
- the transceiver module is specifically configured to measure the first resource set according to the first information to obtain the second measured value and the third measured value; the processing module is specifically configured to obtain the second measured value and the third measured value according to the second measured value and the first measured value. Three measurement values obtain the first measurement value.
- the first measurement value is the channel occupancy ratio
- the first resource set includes the second resource set and the third resource set
- the second measurement value is the number of occupied subchannels
- the third measurement value is The number of sub-channels sent
- the transceiver module is specifically configured to measure the second resource set according to the first information to obtain the number of occupied sub-channels.
- the processing module is specifically configured to determine the number of subchannels to be sent in the third resource set according to the first information.
- the processing module is specifically used to obtain the channel occupancy ratio according to the number of sub-channels occupied and the number of sub-channels to be transmitted.
- the number of subchannels to be sent includes at least one of the following information: retransmission resources corresponding to the negative response detected by the first device; retransmission resources corresponding to the negative response generated by the first device ; The reserved resources indicated in the control information detected by the first device.
- the transceiver module is specifically configured to obtain the first configuration information; the processing module is specifically configured to determine the transmission parameters of the first data according to the first configuration information and the first measurement value; wherein, the first configuration
- the information includes the value set of the first measurement value corresponding to the quality of service parameter, and at least one of the following transmission parameters associated with the quality of service parameter: modulation and coding mode, transmission times of the transmission block, number of feedback resources, and data channel Number of resources, maximum transmission power, time delay, transmission distance, data packet size, and packet error rate.
- the processing module is specifically configured to: if the first measurement value meets a preset condition, discard the first data; or switch the first data from HARQ response transmission to the preset number of transmissions Or, discard the first data without HARQ response; or, discard the first data of HARQ transmission with the lowest priority; or, discard the first data whose transmission distance exceeds the transmission distance threshold; or, discard the first data whose transmission delay exceeds the transmission The first data of the delay threshold.
- that the first measurement value satisfies the preset condition includes: one or more of the first measurement values are greater than the preset threshold value.
- the preset threshold is determined by at least one of the first information; or, the transmission of the first data with HARQ response and the transmission of the first data without HARQ response configure independent presets. Set the threshold.
- the first resource set corresponds to at least one of the following channels: a data channel, a control channel, and a feedback channel.
- independent measurement thresholds are configured for different channels.
- the control channel is located within the time-frequency resource of the time slot where the data channel is located.
- the resource corresponding to the data channel is measured, the resource corresponding to the control channel is not measured, or the resource corresponding to the data channel is not measured.
- the resource corresponding to the control channel and the resource corresponding to the data channel are measured at the same time.
- the feedback channel is located within the time-frequency resource of the time slot where the data channel is located.
- the resource corresponding to the data channel is measured, the resource corresponding to the feedback channel is not measured, or the resource corresponding to the data channel is not measured.
- the resource corresponding to the feedback channel and the resource corresponding to the data channel are measured at the same time.
- the measured time domain resource does not include the first K symbols among the M symbols, and the value of K is determined by the subcarrier interval, where K is a positive integer.
- the feedback channel that only feeds back negative responses and the feedback channel that feeds back positive responses or negative responses are configured with independent preset thresholds.
- the transceiver module is further configured to send the first measurement value to the network device.
- a communication device including: a processor and a memory, the memory is used to store a program, and the processor invokes the program stored in the memory to make the communication device execute the method as described in the first aspect and any of the embodiments thereof .
- a computer-readable storage medium stores instructions. When the instructions run on a computer or a processor, the computer or the processor executes the first aspect and any of the instructions. The method described in one possible implementation.
- a computer program product containing instructions is provided.
- the instructions When the instructions are run on a computer or a processor, the computer or the processor executes the steps described in the first aspect and any of its possible implementations. method.
- a communication system which includes at least two communication devices according to the second aspect, or at least two communication devices according to the third aspect.
- FIG. 1 is a schematic diagram of the architecture of a communication system provided by an embodiment of the application
- FIG. 2 is a schematic structural diagram 1 of a communication device provided by an embodiment of this application.
- FIG. 3 is a first schematic flowchart of a method for determining a transmission mode provided by an embodiment of the application
- FIG. 4 is a schematic diagram of different multiplexing modes of control channels and data channels according to an embodiment of the application
- FIG. 5 is a schematic diagram of a control channel and a feedback channel in different multiplexing modes according to an embodiment of the application;
- FIG. 6 is a second schematic flowchart of a method for determining a transmission mode according to an embodiment of the application
- FIG. 7 is a schematic diagram of measuring CR of time slot n according to an embodiment of the application.
- FIG. 8 is a third schematic flowchart of a method for determining a transmission mode according to an embodiment of this application.
- FIG. 9 is a first schematic diagram of a start symbol and an end symbol provided by an embodiment of this application.
- FIG. 10 is a second schematic diagram of a start symbol and an end symbol provided by an embodiment of this application.
- FIG. 11 is a third schematic diagram of a start symbol and an end symbol provided by an embodiment of this application.
- FIG. 12 is a fourth flowchart of a method for determining a transmission mode according to an embodiment of this application.
- FIG. 13 is a schematic flowchart 5 of a method for determining a transmission mode according to an embodiment of this application.
- FIG. 14 is a sixth flowchart of a method for determining a transmission mode according to an embodiment of this application.
- FIG. 15 is a second structural diagram of a communication device provided by an embodiment of this application.
- the embodiments of this application rely on the V2X scenario of the fifth generation (5G) communication network in the wireless communication network. It should be pointed out that the solutions in the embodiments of this application can also be applied to other wireless communication networks.
- the name can also be replaced with the name of the corresponding function in other wireless communication networks.
- LTE long term evolution
- NB-IoT narrowband internet of things
- LTE advanced, LTE advanced long term evolution
- -A Advanced Long term evolution
- GSM global system for mobile communication
- UMTS mobile communication system
- CDMA code division multiple access
- the embodiment of the present application provides a method for determining a transmission mode, which is applied to the V2X communication system as shown in FIG. 1.
- the V2X communication system provided by the embodiment of the present application includes a first device 100, a second device 200, and may also include a network device 300.
- the first device 100 and the second device 200 communicate via sidelink (SL).
- the side link refers to the auxiliary link in the V2X network.
- the V2X network also has an uplink. (uplink) and downlink (downlink).
- V2X communication includes V2V communication, V2I communication, V2P communication, and V2N communication.
- FIG. 1 only uses V2V communication in which both the first device 100 and the second device 200 are vehicles as an example for illustration, and the embodiment of the present application does not limit the specific communication scenario of V2X.
- the first device and the second device involved in this application may be an on-board module, on-board module, on-board component, on-board chip, or on-board unit built into the vehicle as one or more components or units.
- Vehicle-mounted modules, vehicle-mounted components, vehicle-mounted chips, or vehicle-mounted units can implement the method of this application.
- the first device 100 and the second device 200 can communicate with each other between a vehicle-mounted device and a vehicle-mounted device, or between a roadside unit (RSU) and a vehicle-mounted device and/or a network device (such as a base station device).
- the communication may also be communication between the network equipment 300 and the vehicle-mounted equipment and/or RSU.
- the network equipment 300 may be an LTE base station equipment or an NR base station equipment or a network base station that provides wireless access in a subsequent evolution system. It can be understood that the embodiments of the present application do not limit the specific forms of the first device 100, the second device 200, and the network device 300, and are merely exemplary descriptions herein.
- the communication method provided in this application can be applied not only to the side link shown in FIG. 1 but also to the cellular link.
- the embodiments of this application do not limit the application scenarios of the communication method. This is only an exemplary illustration.
- the first device and the second device in the embodiments of the present application are communication devices, and the communication devices may be terminal devices or network devices.
- the first device is a network device
- the aforementioned side link may be a link between the base station and the base station.
- the link between the macro base station and the macro base station or the link between the macro base station and the small base station, or the link between the main base station and the secondary base station, or the link between the main base station and the main base station
- the link between the secondary base station and the secondary base station is not limited by the embodiment of the present application, for example, the link between the secondary base station and the secondary base station, etc.
- FIG. 2 is a communication device provided by an embodiment of this application.
- the communication device may be the first device, the second device or the network device in this application.
- the communication device may be a vehicle; it may also be an in-vehicle communication device or an in-vehicle terminal, or a chip in an in-vehicle communication device or an in-vehicle terminal installed on the vehicle for assisting the driving of the vehicle.
- the vehicle-mounted terminal may be a device used to implement wireless communication functions, such as a terminal or a chip that can be used in the terminal.
- the terminal may be a user equipment (UE), an access terminal, a terminal unit, a terminal station, a mobile station, a mobile station, a user equipment (UE), an access terminal, a terminal unit, a terminal station, a mobile station, and a mobile station in a 5G network or a public land mobile network (PLMN) that will be evolved in the future.
- UE user equipment
- PLMN public land mobile network
- the access terminal can be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices or wearable devices, virtual reality (VR) terminal devices, augmented reality (AR) terminal devices, industrial control (industrial) Wireless terminal in control), wireless terminal in self-driving, wireless terminal in remote medical, wireless terminal in smart grid, wireless terminal in transportation safety (transportation safety) Terminal, wireless terminal in smart city, wireless terminal in smart home, etc.
- the vehicle-mounted terminal can be mobile or fixed.
- the communication device 200 includes at least one processor 201, a memory 202, a transceiver 203, and a communication bus 204.
- the processor 201 is the control center of the communication device, and may be a processor or a collective name for multiple processing elements.
- the processor 201 is a central processing unit (CPU), or an application specific integrated circuit (ASIC), or one or more integrated circuits configured to implement the embodiments of the present invention
- CPU central processing unit
- ASIC application specific integrated circuit
- microprocessors digital signal processors, DSP
- FPGA field programmable gate arrays
- the processor 201 can execute various functions of the communication device by running or executing a software program stored in the memory 202 and calling data stored in the memory 202.
- the processor 201 may include one or more CPUs, such as CPU0 and CPU1 shown in FIG. 2.
- the communication device may include multiple processors, such as the processor 201 and the processor 205 shown in FIG. 2.
- processors can be a single-core processor (single-CPU) or a multi-core processor (multi-CPU).
- the processor here may refer to one or more communication devices, circuits, and/or processing cores for processing data (for example, computer program instructions).
- the memory 202 can be a read-only memory (ROM) or other types of static storage devices that can store static information and instructions, random access memory (RAM), or other types that can store information and instructions
- the dynamic storage device can also be electrically erasable programmable read-only memory (EEPROM), compact disc read-only memory (CD-ROM) or other optical disk storage, optical disc storage (Including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program codes in the form of instructions or data structures and can be used by a computer Any other media accessed, but not limited to this.
- the memory 202 may exist independently and is connected to the processor 201 through a communication bus 204.
- the memory 202 may also be integrated with the processor 201.
- the memory 202 is used to store a software program for executing the solution of the present invention, and the processor 201 controls the execution.
- the transceiver 203 is used to communicate with other communication devices.
- the transceiver 203 can also be used to communicate with communication networks, such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), and so on.
- the transceiver 203 may include a receiving unit to implement a receiving function, and a sending unit to implement a sending function.
- the communication bus 204 may be an industry standard architecture (ISA) bus, an external communication device interconnection (peripheral component, PCI) bus, or an extended industry standard architecture (extended industry standard architecture, EISA) bus.
- ISA industry standard architecture
- PCI peripheral component
- EISA extended industry standard architecture
- the bus can be divided into address bus, data bus, control bus, etc. For ease of representation, only one thick line is used in FIG. 2, but it does not mean that there is only one bus or one type of bus.
- the structure of the communication device shown in FIG. 2 does not constitute a limitation on the communication device, and may include more or fewer components than shown in the figure, or a combination of certain components, or a different component arrangement.
- the method for determining the transmission mode obtains a measurement value by measuring a resource set in a measurement window, and determines the data transmission mode and/or transmission parameter according to the measurement value .
- the measured values include received signal strength indication information (RSSI), reference signal received power (reference signal received power, RSRP), channel busy ratio (CBR), channel occupancy ratio (channel occupancy ratio) , CR) etc.
- the RSSI at this time may be referred to as the side link RSSI (sidelink RSSI, S-RSSI).
- S-RSSI is defined as the linear average of all received powers on the configured sub-channels received on each symbol. For example, there are 10 symbols available for measurement in a time slot. Assuming that the bandwidth occupied by the sub-channels configured on each symbol is 20 physical resource blocks (PRBs), then the 10 symbols are calculated separately. The total power of each symbol on the 20 PRBs, and then linearly average the measurement results on the 10 available symbols to obtain the S-RSSI.
- PRBs physical resource blocks
- CBR refers to the ratio or part of the S-RSSI measured on the sub-channels in the resource pool in the time slot where the defined measurement window is located in time slot n, which exceeds the configured threshold.
- the CBR may be measured for different channels to obtain the CBR of the corresponding channel. For example, measuring the physical sidelink shared channel (PSSCH) to obtain the CBR of the PSSCH; measuring the physical sidelink control channel (PSCCH) to obtain the CBR of the PSCCH; The sidelink feedback channel (physical sidelink feedback channel, PSFCH) is measured to obtain the CBR of the PSFCH.
- PSSCH physical sidelink shared channel
- PSCCH physical sidelink control channel
- PSFCH physical sidelink feedback channel
- PSCCH For PSCCH, only the non-adjacent positions of the PSCCH and PSSCH resource pools in the frequency domain are measured. During measurement, the bandwidth of PSCCH is fixed at 2 PRBs.
- CR refers to the value obtained by dividing the number of channels used for transmission by the total configured sub-channels in time slot n.
- the number of channels used for transmission may be the sum of the number of subchannels used for transmission before time slot n, and/or the number of subchannels scheduled for transmission after time slot n.
- the total number of configured sub-channels may be in the measurement window before time slot n, or may be the number of sub-channels in the measurement window after time slot n.
- the measurement window before time slot n can be [na,n-1]
- the measurement window after time slot n can be [n,n+b]
- the total number of configured subchannels is [na,n+ b] The total number of sub-channels configured on.
- time slot n For time slot n, suppose that the total number of subchannels S1 used for transmission on time slot [na, n-1], and the subchannels scheduled for transmission on time slot [n, n+b] The total number S2, the total number S of subchannels configured on the time slot [na, n+b], the CR measured at the time of the time slot n is (S1+S2)/S.
- the total number of sub-channels scheduled for transmission on [n+1, n+b] is actually sub-channels occupied by future transmissions, which can be determined based on the number of sub-channels detected on time slot n
- the retransmission indicated by the indication information of scheduling assignment (scheduling assignment, SA) is counted.
- this application provides a method for determining a transmission mode, and the method includes S301-S302:
- the first device measures the first resource set according to the first information to obtain a first measurement value.
- the first information includes at least one of the following information: subcarrier spacing (SCS) of the first resource set, quality of service (QoS) parameters of the first data, the first device and the second Feedback information between devices.
- SCS subcarrier spacing
- QoS quality of service
- the size of the time slot and/or the size of the subchannel in the measurement window and/or the positions of the start symbol and the end symbol of the measurement in the time slot may be determined according to the subcarrier spacing of the first resource set.
- the position of the measurement window and/or the size of the measurement window may be determined according to the quality of service parameter of the first data.
- the first measurement value may be obtained according to the type of feedback information between the first device and the second device.
- the number of sub-channels occupied during transmission or scheduling can be determined according to the feedback information.
- the type of feedback information includes any one of the following: only feedback positive acknowledgement (acknowledge, ACK) and not feedback negative acknowledgement (non-acknowledge, NACK), or only feedback negative acknowledgement NACK without feedback ACK, or feedback positive acknowledgement ACK or Negative response NACK.
- the feedback information here may be feedback information of the first device for data sent by the second device, or feedback information received by the first device and sent from the second device.
- the receiver of the first device when the receiver of the first device successfully decodes the corresponding data, it sends an ACK to the second device.
- the receiver of the first device fails to decode the corresponding data, it does not send an ACK to the second device, nor Send NACK to the second device; or, when the receiver of the first device successfully decodes the corresponding data, it does not send ACK to the second device, and when the receiver of the first device fails to decode the corresponding data, it sends the second device Send NACK; or, when the receiver of the first device successfully decodes the corresponding data, send an ACK to the second device, and when the receiver of the first device fails to decode the corresponding data, send a NACK to the second device.
- the first device may simultaneously determine the first device based on two or three of the subcarrier spacing of the first resource set, the quality of service parameter of the first data, and the feedback information between the first device and the second device.
- One measurement value According to multiple measurements, the corresponding aspects are determined separately based on different information, and then the first measurement value finally obtained is jointly determined.
- the positions of the start symbol and the end symbol of the measurement window are determined according to the subcarrier spacing
- the number of subchannels occupied during transmission or scheduling is determined according to the feedback information
- the position and size of the measurement window are determined according to the quality of service parameters.
- the first measurement value may be determined according to the measurement window, the symbol position during the measurement, the slot position during the measurement, and the position and number of the subchannels.
- the first device is the sender of the first data
- the second device is the receiver of the first data. That is, the first device sends the first data to the second device on the first resource set.
- the first data includes at least one of the following data: sidelink data, sidelink control information, and sidelink feedback information.
- the sidelink data can be the data carried in the physical sidelink shared channel (PSSCH), the information carried in the physical sidelink control channel (PSCCH), or the physical Information carried by the sidelink feedback channel (physical sidelink feedback channel, PSFCH).
- PSSCH physical sidelink shared channel
- PSCCH physical sidelink control channel
- PSFCH physical sidelink feedback channel
- the quality of service parameter of the first data includes at least one of the following information: the service type of the first data, the priority information of the first data, the delay parameter of the first data, the packet error rate of the first data, and the first data.
- the reliability information of the first data the packet size of the first data, and the minimum communication distance of the first data.
- the business type is periodic business or non-periodic business.
- the priority information is used to indicate or determine the priority level of the data packet. The higher the priority, the more important or urgent the data packet corresponding to it.
- the delay parameter refers to the maximum delay required for data packet transmission. Exemplarily, some data packets are required to reach the receiver within 3ms, some data packets are required to reach the receiver within 10ms, and some data packets are required to reach the receiver within 50ms. The smaller the maximum end-to-end delay indicated by the delay parameter, the more urgent the data packet to be sent, or the faster it needs to be sent, received and processed.
- the packet error rate refers to the rate at which data packets receive errors.
- the reliability information indicates the reliability requirement of the data packet.
- the higher the reliability requirement such as 99.99%, more mechanisms are needed to ensure the correct reception of data packets during transmission, such as physical layer feedback or more retransmission times; reliability
- the packet size can also be the required transmission rate.
- the larger the value the larger the amount of packets or information to be transmitted, and vice versa, the smaller the amount of packets or information to be transmitted.
- the minimum communication distance may also be the required minimum communication distance or the minimum required communication distance, which refers to the minimum distance required to achieve a certain transmission delay, reliability, and rate.
- the distance between the transceivers is less than or equal to the required minimum distance, the communication between the transceivers needs to meet the requirements of transmission delay, reliability, and speed; when the distance between the transceivers is greater than or equal to When the minimum distance is required, the communication between the transceivers does not necessarily meet the requirements of transmission delay, reliability, and speed.
- the feedback information between the first device and the second device includes: channel state information (CSI) feedback information received by the first device from the second device and/or hybrid automatic repeat request, HARQ) response information; or, CSI feedback information and/or HARQ response information sent by the first device to the second device.
- the CSI includes one or more of a precoding matrix indicator (PMI), a rank indicator (rank indicator, RI), and a channel quality indicator (channel quality indicator, CQI).
- PMI precoding matrix indicator
- rank indicator rank indicator
- CQI channel quality indicator
- the first resource set is one or more resource pools that are predefined or configured by signaling for sidelink transmission, and the transmission resource of the first data is determined from the first resource set.
- the resource pool here refers to a collection of time domain and frequency domain resources.
- a resource pool includes time slots used for sideline transmission and frequency domain resources of a certain position and size on the time slots.
- the subcarrier interval of the first resource set includes any one of the following subcarrier intervals: 15kHz, 30kHz, 60kHz, 120kHz, 240kHz. It should be noted that the foregoing subcarrier interval is only illustratively described, and this application is not limited to only being applied to the foregoing subcarrier interval. In the embodiment of the present application, the subcarrier interval of the first resource set may be used to determine the start symbol and the end symbol of the measurement window for the first resource set to perform measurement, and the details are described later.
- the first resource set may correspond to at least one of the following channels: a data channel, a control channel, and a feedback channel. That is, the first resource set can transmit at least one of the foregoing channels.
- the data channel may be the PSSCH
- the control channel may be the PSCCH
- the feedback channel may be a physical sidelink feedback channel (PSFCH).
- the first device measures the first resource set corresponding to the data channel according to the first information to obtain the first measurement value of the data channel. And/or, the first device measures the first resource set corresponding to the control channel according to the first information to obtain the first measurement value of the control channel. And/or, the first device measures the first resource set corresponding to the feedback channel according to the first information to obtain the first measurement value of the feedback channel.
- the first device measures the first resource set according to the first information
- independent measurement thresholds can be configured for different channels. The reason is that the amount of data transmitted by different channels is different, which makes the corresponding measurement window or the service load on the measurement resource different, resulting in different results or reference points of the measurement values.
- the data channel and the feedback channel are configured with independent S-RSSI measurement thresholds.
- the data channel is configured with the first measurement threshold of S-RSSI and the feedback channel is configured with the second measurement threshold of S-RSSI
- the CBR of the data channel Compare the RSSI of the sub-channel of the data channel with the first measurement threshold; when calculating the CBR of the feedback channel, compare the RSSI of the sub-channel of the feedback channel with the second measurement threshold.
- the feedback channel that only feeds back the negative acknowledgement NACK and the feedback channel that feeds back the positive acknowledgement ACK or the negative acknowledgement NACK are configured with independent preset thresholds, for example, a preset threshold for measuring CBR. See step S301 for the related description of only feeding back negative acknowledgement NACK and feeding back positive acknowledgement ACK or negative acknowledgement NACK, which will not be repeated here.
- the data channel can be multiplexed with the control channel or the feedback channel in different multiplexing modes, and the corresponding multiplexing modes are described below.
- the control channel and the data channel are multiplexed in different ways.
- A is the multiplexing method of Option 1A (Option 1A)
- B is the multiplexing method of Option 1B (Option 1B)
- C is the multiplexing method of Option 2 (Option 2)
- D is Option 3 (Option 3).
- the multiplexing method is the multiplexing method of Option 1A (Option 1A)
- B is the multiplexing method of Option 1B (Option 1B)
- C is the multiplexing method of Option 2 (Option 2)
- D is Option 3 (Option 3).
- the multiplexing method is the multiplexing method of Option 1A
- B is the multiplexing method of Option 1B (Option 1B)
- C is the multiplexing method of Option 2 (Option 2)
- D is Option 3 (Option 3).
- multiplexing modes 1A and 1B can be considered as the multiplexing mode of control channel and data channel time division multiplexing; multiplexing mode C can be considered as the multiplexing mode of control channel and data channel frequency division multiplexing; multiplexing mode D can be considered as a multiplexing method in which the control channel is embedded into the resource where the data channel is located.
- the control channel is located within the time-frequency resource of the time slot where the data channel is located.
- the first device can measure the resource corresponding to the data channel, it does not measure the resource corresponding to the control channel.
- the first device measures the resource corresponding to the data channel, it simultaneously measures the resource corresponding to the control channel and the resource corresponding to the data channel.
- the feedback channel and the data channel are multiplexed in different ways.
- the resources corresponding to the feedback channel are located in the last M symbols in every N time slots in the first resource set, occupying part of the subchannels or PRBs of the data channel.
- the resources corresponding to the feedback channel are located in the last M symbols in every N time slots in the first resource set, occupying all sub-channels or PRBs of the data channel, and the feedback channel of the resource pool configuration
- the bandwidth may be the same or different from the bandwidth of the data channel, and the bandwidth of the feedback channel used by the terminal device when sending data may be the same or different from the bandwidth of the data channel.
- the difference from B in FIG. 5 is that there is no data channel and control channel in the time slot where the feedback channel is located.
- both N and M are configured by the network device or pre-configured according to the protocol.
- the first device when the feedback channel is located within the time-frequency resource of the time slot where the data channel is located, when the first device measures the resource corresponding to the data channel, it does not measure the resource corresponding to the feedback channel. Or, when the first device measures the resource corresponding to the data channel, it simultaneously measures the resource corresponding to the feedback channel and the resource corresponding to the data channel.
- the first device when the first device measures the resource corresponding to the feedback channel, it only measures the resource corresponding to the feedback channel, and the resource corresponding to the feedback channel is located in the last M symbols in every N time slots in the first resource set, where , M and N are positive integers. Further, when the feedback channel is located within the time-frequency resource of the time slot where the data channel is located, when the first device measures the resource corresponding to the feedback channel, it does not measure the resource corresponding to the data channel.
- both N and M are configured by the network device or pre-configured according to the protocol.
- the measured time domain resource does not include the first K symbols among the M symbols, and the value of K is determined by the subcarrier interval, where K is a positive integer.
- K is a positive integer.
- K is a positive integer.
- the first measurement value may include received signal strength indication information (RSSI), reference signal received power (RSRP), channel busy ratio (channel busy ratio, CBR), channel occupancy ratio (channel occupancy) ratio, CR).
- RSSI received signal strength indication information
- RSRP reference signal received power
- CBR channel busy ratio
- CR channel occupancy ratio
- the embodiment of the present application improves the calculation method of the above-mentioned first measurement value, which is specifically as follows:
- step S301 may include:
- the first device measures the first resource set according to the first information to obtain a second measurement value and a third measurement value.
- the first resource set includes a second resource set and a third resource set, the second resource set is used to obtain the second measurement value, and the third resource set is used to obtain the third measurement value.
- the first measurement value is CR
- the second measurement value is the number of sub-channels occupied
- the third measurement value is the number of sub-channels to be transmitted.
- the number of sub-channels to be sent includes at least one of the following information: the retransmission resource corresponding to the negative acknowledgement NACK detected by the first device, the retransmission resource corresponding to the negative acknowledgement NACK generated by the first device, and the first device detecting The reserved resources indicated in the received control information.
- the retransmission resource corresponding to the negative acknowledgement NACK detected by the first device refers to the first device sending data to the second device. If the second device does not receive the data, the second device sends a negative acknowledgement to the first device NACK to instruct the first device to retransmit the data on the corresponding retransmission resource. The first device can determine that the first device will retransmit data on the corresponding retransmission resource according to the negative acknowledgement NACK, thereby occupying the corresponding subchannel.
- the retransmission resource corresponding to the negative acknowledgement NACK generated by the first device refers to the second device sending data to the first device. If the first device does not receive the data, the first device needs to send a negative acknowledgement to the second device NACK to instruct the second device to retransmit the data on the corresponding retransmission resource.
- the first device may determine according to the negative acknowledgement NACK that the second device will retransmit the data on the corresponding retransmission resource, thereby occupying the corresponding subchannel.
- the reserved resource indicated in the control information detected by the first device refers to that when a periodic service is performed, the control information indicates that the first device periodically occupies the reserved resource.
- the first device may measure the number of subchannels occupied by the second resource set according to the first information, and the first device determines the number of subchannels to be transmitted in the third resource set according to the first information.
- the second resource set includes time-frequency resources of time slot [n-a1, n-1], and the third resource set includes time slot [n, n+ The time-frequency resource of b1]; the second measurement value is the number of subchannels occupied by the time slot [n-a1,n-1], and the third measurement value is the number of subchannels to be transmitted in the time slot [n,n+b1].
- a1+b1+1 1000.
- the first measurement value, the second measurement value, and the third measurement value are all CR
- the first device may measure the second resource set according to the first information to obtain the second measurement value, and according to the first The information measures the third resource set to obtain the third measurement value.
- the second resource set is different from the third measurement set.
- the second resource set includes time-frequency resources of time slots [n-a1, n-1] and [n, n+b1], and the third resource set includes time slots [n-a2, n-1] and [n,n+b2] time-frequency resources; the second measurement value is based on the number of subchannels occupied by time slot [n-a1,n-1] and time slot [n,n+b1] according to the method shown in Figure 7.
- the first channel occupancy ratio CR1 of time slot n is obtained from the number of sub-channels sent; the third measurement value is the number of sub-channels occupied by time slot [n-a2, n-1] and Slot [n, n+b2] will be the second channel occupancy ratio CR2 of slot n obtained from the number of subchannels sent. Among them, a2+b2+1 ⁇ 1000.
- the first device obtains a first measurement value according to the second measurement value and the third measurement value.
- the first device may according to the number of occupied sub-channels and the number of sub-channels to be transmitted
- the number of subchannels is CR. See the description about CR in step S601 for the specific manner, which will not be repeated here.
- the same ⁇ and the same ⁇ may be used to calculate CR.
- different ⁇ and ⁇ may be used to calculate CR, for example, periodic services use ⁇ 1 and ⁇ 1, and aperiodic services use ⁇ 2 and ⁇ 2.
- each measurement window can be uniquely determined by the size, the start symbol and the end symbol. details as follows:
- step S301 may include S801-S802:
- the first device determines the size of the measurement window according to the first information, and/or the first device determines the start symbol and the end symbol of the measurement window according to the first information.
- the size of the measurement window refers to the number of time domain resources and/or frequency domain resources used by the first device to measure the first resource set in the measurement window.
- the time domain resources include time slots and/or symbols in the first resource set, and the frequency domain resources include resource blocks and/or subchannels.
- the measurement window may include a first measurement window and a second measurement window.
- the resources occupied by the first measurement window and the second measurement window in the time domain may be different, or the first measurement window occupies more time domain resources than the second measurement window, or the first measurement window and the second measurement window
- the two measurement windows can partially or completely overlap in the time domain.
- the first information includes service quality parameters
- different measurement windows can be corresponding to different types of values of the service quality parameters:
- the service quality parameter is the priority of the first data, then the data with the higher priority corresponds to the first measurement window, and the data with the lower priority corresponds to the second measurement window.
- the measurement accuracy can be improved by corresponding to a measurement window that occupies more time-domain resources for data with a higher priority.
- the quality of service parameter is the delay parameter of the first data, then the data with high delay corresponds to the first measurement window, and the data with low delay corresponds to the second measurement window.
- data with high latency corresponds to a measurement window that occupies more time domain resources, so that the measurement can be more accurate, and it will not compete with low latency services for measurement capabilities and resources.
- the quality of service parameter is the packet error rate of the first data, then data with a high packet error rate corresponds to the first measurement window, and data with a low packet error rate corresponds to the second measurement window.
- data with a high packet error rate corresponds to a measurement window that occupies more time domain resources, measurement accuracy can be improved, and it is convenient to adjust time-frequency resources to reduce the packet error rate.
- the service quality parameter is the service type of the first data
- the data of the periodic service corresponds to the first measurement window
- the data of the aperiodic service corresponds to the second measurement window.
- the measurement window that occupies less time domain resources can reduce measurement power consumption.
- long-term measurement of non-periodic services cannot improve measurement accuracy.
- the first measurement window corresponding to the periodic service data is longer than the second measurement window corresponding to the aperiodic service data.
- the measurement window of the aperiodic service is a subset of the measurement window of the periodic service.
- the first measurement window and the second measurement window are associated with corresponding measurement thresholds.
- the start symbol is the second symbol in the time slot, and the end symbol is the second to last symbol in the time slot.
- the subcarrier interval of the first resource set is 60kHz, then the start symbol is the third symbol in the slot, and the end symbol is the penultimate symbol in the slot; or, the subcarrier of the first resource set
- the interval is 120 kHz, the start symbol is the fifth symbol in the time slot, and the end symbol is the penultimate symbol in the time slot.
- the above method can be used in a scenario where the duration of automatic gain control is fixed.
- the duration of the signal required for AGC is fixed at about 35us.
- this duration corresponds to the 15kHz subcarrier interval, it corresponds to half a symbol.
- one symbol can be used as AGC; for example, 35us AGC duration corresponds to 30kHz, 60kHz , 120kHz, 240kHz sub-carrier spacing, corresponding to 1, 2, 4 or 8 symbols respectively.
- the last symbol in the time slot is usually used for switching between receiving and sending operations in the side link, so the last symbol is usually not used for measurement.
- the subcarrier spacing of the first resource set is 15kHz or 30kHz, then the start symbol is the first symbol in the time slot, and the end symbol is the second last symbol in the time slot ;
- the subcarrier interval of the first resource set is 60kHz, the start symbol is the second symbol in the slot, and the end symbol is the penultimate symbol in the slot; or, the subcarrier of the first resource set
- the interval is 120kHz, the start symbol is the fourth symbol in the time slot, and the end symbol is the penultimate symbol in the time slot.
- the time slot is each time slot in which the first data is transmitted, or is the first time slot in K consecutive time slots, where K is an integer greater than 1.
- K is an integer greater than 1.
- only the first several symbols on the first time slot are used for AGC, and the symbols on subsequent time slots are not used for AGC.
- AGC automatic gain control
- the end symbol of the measurement window is located at the penultimate symbol 12 (the extended CP is 10).
- the end symbol of the measurement window is The end symbol is the last symbol where the data is located, such as symbol 8 in FIG. 9 or symbol 7 in FIG. 10.
- the start symbol and the end symbol of the measurement window on each time slot are also different.
- the start symbol of the measurement window is the same as that in single time slot transmission, and the end symbol of the measurement window can be on time slot 2.
- the first device measures the first resource set in the measurement window to obtain the first measurement value according to the size, start symbol, and end symbol of the measurement window.
- the measurement window can be uniquely determined according to the size of the measurement window, the start symbol and the end symbol.
- the first measurement window is determined according to the size of the first measurement window, the start symbol and the end symbol, and the size of the second measurement window, the start symbol and the end symbol are determined The second measurement window.
- the first device determines a transmission mode of the first data according to the first measurement value, and/or the first device determines a transmission parameter of the first data according to the first measurement value.
- the first device determines the transmission mode of the first data according to the first measurement value, including:
- any one of the following transmission methods is executed.
- that the first measurement value satisfies the preset condition includes: one or more of the first measurement values are greater than the preset threshold value.
- the preset threshold is determined by at least one of the first information; or, the transmission of the first data with HARQ response and the transmission of the first data without HARQ response configure independent preset thresholds.
- the first device discards the first data.
- the first data can be directly discarded.
- the first device switches the first data from HARQ response transmission to transmission with a preset number of transmissions.
- the negative response NACK or the positive response ACK will occupy more time-frequency resources. If the CR is high, the HARQ response transmission can be switched to the transmission with the preset number of transmissions to reduce the negative response NACK Or acknowledge the time-frequency resources occupied by ACK.
- the first device discards the first data without a HARQ response.
- the first device preferentially discards the transmission block or data packet of the first data without HARQ response.
- the first device discards the first data of HARQ transmission with the lowest priority.
- the first data of HARQ transmission with the lowest priority can be directly discarded, leaving the time-frequency resources for more data. High priority data communication.
- the first device discards the first data whose transmission distance exceeds the transmission distance threshold.
- the first device discards the data packet to be transmitted.
- the first device discards the first data whose transmission delay exceeds the transmission delay threshold.
- the first device preferentially discards the data packet.
- a joint function of priority, transmission delay, and transmission distance can be defined.
- the preset threshold value can be defined as substituting the preset priority, preset transmission delay, and preset according to the joint function. The threshold value obtained by the transmission distance, if the first measurement value meets the preset condition, the first device discards the first data that meets the following formula:
- R is the joint function
- k1 is the preset priority
- k2 is the preset transmission delay
- k3 is the preset transmission distance
- i1 is the priority of the first data
- i2 is the transmission delay of the first data
- i3 is The transmission distance of the first data.
- the preset threshold value within the required minimum distance and outside the minimum distance may be different.
- the preset thresholds within the time delay requirement and outside the time delay requirement may be different.
- the preset threshold values for different priorities may be different.
- the corresponding preset threshold values may also be different.
- a measurement value is obtained by measuring a resource set according to the first information, and the data transmission mode and/or transmission parameter is determined according to the measurement value. Since the first information takes into account the subcarrier spacing of the first resource set during the data transmission process, the quality of service parameters of the first data, the feedback information between the first device and the second device, etc., a better independent data selection is realized The transmission method and/or transmission parameters.
- the first device to determine the transmission parameter of the first data according to the first measurement value includes S1201-S1202:
- the first device obtains first configuration information.
- the first device may receive the first configuration information from the network device.
- the first configuration information includes a value set of the first measurement value corresponding to the quality of service parameter, and at least one of the following transmission parameters associated with the quality of service parameter: modulation and coding mode, transmission times of the transmission block, feedback resource Number, number of data channel resources, maximum transmission power, time delay, transmission distance, data packet size, packet error rate.
- the first configuration information may be configured by the network device, or pre-configured according to a protocol.
- one or more service quality parameter values can be configured, such as priority, minimum communication distance, delay requirement, etc., and these service quality values correspond to at least one of the above transmission parameters.
- the first configuration information may also correspond to a value set of the first measurement value. That is, the first configuration information will simultaneously configure the following information in an interrelated manner: the quality of service parameter, the value set of the first measurement value, and the transmission parameter.
- the first device determines a transmission parameter of the first data according to the first configuration information and the first measurement value.
- the first device determines the first measurement value and the value of the quality of service parameter of the first data sent by the first device, and then the first device determines the transmission parameter based on the two values and the first configuration information obtained The value or range of values in. Then the first device sends the first data of the first device according to the determined transmission parameter.
- the method may further include:
- the first device sends the first data to the second device according to the transmission mode and/or the transmission parameter.
- the first device determines the transmission parameter according to the foregoing manner, and determines whether the first data to be sent according to the transmission parameter needs to be discarded before sending the first data. If it is, it is directly discarded; otherwise, the first data is sent according to the determined transmission parameter.
- the method may further include:
- the first device sends a first measurement value to a network device.
- the network device receives the first measurement value from the first device.
- the network device may adjust the configuration of the corresponding channel resource according to the first measurement value.
- the first device may send the CBR of the feedback channel to the network device, and the network device may adjust the channel resource configuration of the feedback channel according to the CBR.
- the methods and/or steps implemented by the first device can also be implemented by components (such as chips or circuits) that can be used in the first device, and the methods and/or steps implemented by the network device Steps can also be implemented by components that can be used in network devices.
- an embodiment of the present application also provides a communication device, which is used to implement the foregoing various methods.
- the communication device may be the first device in the foregoing method embodiment, or a device including the foregoing first device, or a component applicable to the foregoing first device.
- the communication device includes hardware structures and/or software modules corresponding to each function.
- the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software-driven hardware depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of this application.
- the embodiments of the present application may divide the communication device into functional modules according to the foregoing method embodiments.
- each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module.
- the above-mentioned integrated modules can be implemented in the form of hardware or software functional modules. It should be noted that the division of modules in the embodiments of the present application is illustrative, and is only a logical function division, and there may be other division methods in actual implementation.
- FIG. 15 shows a schematic structural diagram of a communication device 150.
- the communication device 150 includes a processing module 1501 and a transceiver module 1502.
- the transceiver module 1502 may also be referred to as a transceiver unit to implement sending and/or receiving functions, for example, it may be a transceiver circuit, transceiver, transceiver or communication interface.
- the transceiver module 1502 is configured to measure the first resource set according to the first information to obtain a first measurement value, where the first information includes at least one of the following information: the subcarrier interval of the first resource set, and the first data Service quality parameters, feedback information between the first device and the second device; the first resource set is used for the transmission of the first data; the processing module 1501 is used for determining the transmission mode of the first data according to the first measurement value, and/ Or, the first device determines the transmission parameter of the first data according to the first measurement value.
- the transceiver module 1502 is further configured to send the first data to the second device according to the transmission mode and/or transmission parameters.
- the first data includes at least one of the following data: side link data, side link control information, and side link feedback information.
- the first measurement value includes at least one of the following measurement values: received signal strength indication information, reference signal received power, channel busy ratio, and channel occupation ratio.
- the quality of service parameter of the first data includes at least one of the following information: a service type of the first data, priority information of the first data, a delay parameter of the first data, and a packet error rate of the first data , The packet size of the first data, and the minimum communication distance of the first data; wherein the service type of the first data is periodic service or aperiodic service.
- the subcarrier interval of the first resource set includes any one of the following subcarrier intervals: 15kHz, 30kHz, 60kHz, 120kHz, 240kHz.
- the feedback information includes: channel state information CSI feedback information and/or hybrid automatic repeat request HARQ response information received by the first device from the second device; or CSI feedback information sent by the first device to the second device And/or HARQ response information.
- the processing module 1501 is specifically configured to determine the size of the measurement window according to the first information, and/or determine the start symbol and the end symbol of the measurement window according to the first information, where the size of the measurement window refers to the first device
- the number of time-domain resources and/or frequency-domain resources used in the measurement of the first resource set in the measurement window; the transceiver module 1502 is specifically configured to perform the measurement in the measurement window according to the size, start symbol, and end symbol of the measurement window
- the first measurement value is obtained by measuring the first resource set.
- the time domain resources include time slots and/or symbols in the first resource set
- the frequency domain resources include resource blocks and/or subchannels.
- the measurement window includes a first measurement window and a second measurement window
- the first information includes a service quality parameter
- the service quality parameter is a priority of the first data, and the data with a higher priority corresponds to the first measurement window, and the priority Low data corresponds to the second measurement window
- the service quality parameter is the delay parameter of the first data, then the data with high delay corresponds to the first measurement window, and the data with low delay corresponds to the second measurement window
- the quality of service The parameter is the packet error rate of the first data, then data with a high packet error rate corresponds to the first measurement window, and data with a small packet error rate corresponds to the second measurement window
- the service quality parameter is the service type of the first data, the period The service data corresponds to the first measurement window, and the non-periodic service data corresponds to the second measurement window.
- the first measurement window and the second measurement window occupy different resources in the time domain, or the first measurement window occupies more time domain resources than the second measurement window, or the first measurement window and the second measurement window occupy more time domain resources.
- the measurement windows can partially or completely overlap in the time domain.
- the first measurement window and the second measurement window are associated with corresponding measurement thresholds.
- the first information includes the subcarrier interval of the first resource set. If the subcarrier interval of the first resource set is 15kHz or 30kHz, the start symbol is the second symbol in the time slot, and the end symbol is the second symbol in the time slot. Or, if the subcarrier spacing of the first resource set is 60kHz, the start symbol is the third symbol in the time slot, and the end symbol is the second last symbol in the time slot; or, The sub-carrier spacing of a resource set is 120 kHz, the start symbol is the fifth symbol in the slot, and the end symbol is the penultimate symbol in the slot.
- the time slot is each time slot in which the first data is transmitted, or is the first time slot in consecutive K time slots, where K is an integer greater than 1.
- the transceiver module 1502 is specifically configured to measure the first resource set according to the first information to obtain the second measurement value and the third measurement value; the processing module 1501 is specifically configured to obtain the second measurement value and the third measurement value according to the second measurement value and the third measurement value. To the first measured value.
- the first measurement value is the channel occupancy ratio
- the first resource set includes the second resource set and the third resource set
- the second measurement value is the number of subchannels occupied
- the third measurement value is the number of subchannels to be transmitted.
- the transceiver module 1502 is specifically configured to measure the second resource set according to the first information to obtain the number of occupied subchannels.
- the processing module 1501 is specifically configured to determine the number of subchannels to be transmitted in the third resource set according to the first information.
- the processing module 1501 is specifically configured to obtain the channel occupancy ratio according to the number of sub-channels occupied and the number of sub-channels to be transmitted.
- the number of subchannels to be sent includes at least one of the following information: the retransmission resource corresponding to the negative answer detected by the first device; the retransmission resource corresponding to the negative answer generated by the first device; the first device detects The reserved resources indicated in the received control information.
- the transceiver module 1502 is specifically configured to obtain the first configuration information; the processing module 1501 is specifically configured to determine the transmission parameters of the first data according to the first configuration information and the first measurement value; wherein the first configuration information includes the service The value set of the first measurement value corresponding to the quality parameter, and at least one of the following transmission parameters associated with the quality of service parameter: modulation and coding mode, transmission times of transmission blocks, number of feedback resources, number of resources of data channels, Maximum transmission power, time delay, transmission distance, data packet size, and packet error rate.
- the processing module 1501 is specifically configured to: if the first measured value meets a preset condition, discard the first data; or, switch the first data from HARQ response transmission to transmission with a preset number of transmissions; or , Discard the first data without HARQ response; or discard the first data transmitted by HARQ with the lowest priority; or discard the first data whose transmission distance exceeds the transmission distance threshold; or discard the first data whose transmission delay exceeds the transmission delay threshold First data.
- that the first measurement value satisfies a preset condition includes: one or more of the first measurement values are greater than a preset threshold value.
- the preset threshold is determined by at least one of the first information; or, the transmission of the first data with HARQ response and the transmission of the first data without HARQ response configure independent preset thresholds.
- the first resource set corresponds to at least one of the following channels: a data channel, a control channel, and a feedback channel.
- independent measurement thresholds can be configured for different channels.
- control channel is located within the time-frequency resource of the time slot where the data channel is located.
- the resource corresponding to the control channel is not measured, or when the resource corresponding to the data channel is measured, At the same time, the resource corresponding to the control channel and the resource corresponding to the data channel are measured.
- the feedback channel is located within the time-frequency resource of the time slot where the data channel is located.
- the resource corresponding to the data channel is measured, the resource corresponding to the feedback channel is not measured, or when the resource corresponding to the data channel is measured, At the same time, the resources corresponding to the feedback channel and the data channel are measured.
- the resource corresponding to the feedback channel when the resource corresponding to the feedback channel is measured, only the resource corresponding to the feedback channel is measured, and the resource corresponding to the feedback channel is located in the last M symbols of every N time slots in the first resource set, where M and N is a positive integer.
- the measured time domain resource does not include the first K symbols among the M symbols, and the value of K is determined by the subcarrier interval, where K is a positive integer.
- the feedback channel that only feeds back the negative response and the feedback channel that feeds back the positive response or the negative response are configured with independent preset thresholds.
- the transceiver module 1502 is further configured to send the first measurement value to the network device.
- the communication device 150 may be presented in the form of dividing various functional modules in an integrated manner.
- the "module” here can refer to a specific ASIC, circuit, processor and memory that executes one or more software or firmware programs, integrated logic circuit, and/or other devices that can provide the above-mentioned functions.
- the communication device 150 may take the form of the communication device 200 shown in FIG. 2.
- the processor 201 or the processor 205 in the communication device 200 shown in FIG. 2 may invoke the computer execution instructions stored in the memory 202 to make the communication device 200 execute the method for determining the transmission mode in the foregoing method embodiment.
- the function/implementation process of the processing module 1501 and the transceiver module 1502 in FIG. 15 may be implemented by the processor 201 or the processor 205 in the communication device 200 shown in FIG. 2 calling a computer execution instruction stored in the memory 202.
- the function/implementation process of the processing module 1501 in FIG. 15 can be implemented by the processor 201 or the processor 205 in the communication device 200 shown in FIG. 2 calling the computer execution instructions stored in the memory 202, and the transceiver in FIG.
- the function/implementation process of the module 1502 can be implemented by the transceiver 203 in the communication device 200 shown in FIG. 2.
- the communication device provided in this embodiment can perform the above-mentioned transmission mode determination method, the technical effects that can be obtained can refer to the above-mentioned method embodiment, which will not be repeated here.
- An embodiment of the present application also provides a communication device, including: a processor and a memory, the memory is used to store a program, and the processor calls the program stored in the memory to make the communication device execute FIG. 3, FIG. 6, FIG. The method for determining the transmission mode corresponding to the first device in Fig. 12-14.
- the embodiment of the present application also provides a computer-readable storage medium that stores instructions in the computer-readable storage medium.
- the instructions run on a computer or a processor
- the computer or the processor executes Figure 3, Figure 6,
- Figure 6 The method for determining the transmission mode corresponding to the first device in Fig. 8 and Fig. 12-14.
- the embodiment of the present application also provides a computer program product containing instructions.
- the instructions run on a computer or a processor, the computer or the processor executes the first steps in Figure 3, Figure 6, Figure 8, and Figure 12-14.
- An embodiment of the present application provides a chip system that includes a processor for a communication device to execute the method for determining the transmission mode corresponding to the first device in FIG. 3, FIG. 6, FIG. 8, and FIG. 12-14.
- the first device measures the first resource set according to the first information to obtain the first measurement value, where the first information includes at least one of the following information: the subcarrier interval of the first resource set, and the service of the first data Quality parameters, feedback information between the first device and the second device; the first resource set is used for the transmission of the first data; the first device determines the transmission mode of the first data according to the first measurement value, and/or, the first The device determines the transmission parameter of the first data according to the first measurement value.
- the chip system may be a field programmable gate array (FPGA), an application specific integrated circuit (ASIC), a system on chip (SoC), or It is a central processor unit (CPU), it can also be a network processor (NP), it can also be a digital signal processing circuit (digital signal processor, DSP), or it can be a microcontroller (microcontroller unit). , MCU), it can also be a programmable logic device (PLD) or other integrated chips.
- FPGA field programmable gate array
- ASIC application specific integrated circuit
- SoC system on chip
- CPU central processor unit
- NP network processor
- DSP digital signal processing circuit
- microcontroller unit microcontroller unit
- MCU programmable logic device
- PLD programmable logic device
- the chip system further includes a memory for storing necessary program instructions and data for the first device.
- the chip system may include a chip, an integrated circuit, or a chip and other discrete devices, which is not specifically limited in the embodiment of the present application.
- the size of the sequence number of the above-mentioned processes does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, rather than corresponding to the embodiments of the present application.
- the implementation process constitutes any limitation.
- the disclosed system, device, and method may be implemented in other ways.
- the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
- each unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the computer may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
- a software program it may be implemented in the form of a computer program product in whole or in part.
- the computer program product includes one or more computer instructions.
- the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
- the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium.
- the computer instructions may be transmitted from a website, computer, server, or data center.
- the computer-readable storage medium may be any available medium that can be accessed by a computer, or may include one or more data storage devices such as servers and data centers that can be integrated with the medium.
- the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
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Abstract
Description
Claims (30)
- 一种传输方式确定方法,其特征在于,包括:第一设备根据第一信息对第一资源集进行测量得到第一测量值,其中,所述第一信息包括以下信息中的至少一种:所述第一资源集的子载波间隔、第一数据的服务质量参数、所述第一设备与第二设备之间的反馈信息;所述第一资源集用于第一数据的传输;所述第一设备根据所述第一测量值确定所述第一数据的传输方式,和/或,所述第一设备根据所述第一测量值确定所述第一数据的传输参数。
- 根据权利要求1所述的方法,其特征在于,所述方法还包括:所述第一设备根据所述传输方式,和/或,所述传输参数向所述第二设备发送所述第一数据。
- 根据权利要求1-2中任一项所述的方法,其特征在于,所述第一设备根据第一信息对第一资源集进行测量得到第一测量值,包括:所述第一设备根据所述第一信息确定测量窗的大小,和/或,所述第一设备根据所述第一信息确定所述测量窗的起始符号和结束符号,其中,所述测量窗的大小指所述第一设备在所述测量窗内对所述第一资源集进行测量时使用的时域资源和/或频域资源的数量;所述第一设备根据所述测量窗的大小、起始符号和结束符号,在所述测量窗内对所述第一资源集进行测量得到所述第一测量值。
- 根据权利要求1-3任一项所述的方法,其特征在于,所述第一设备根据第一信息对第一资源集进行测量得到第一测量值,包括:所述第一设备根据所述第一信息对所述第一资源集进行测量得到第二测量值和第三测量值;所述第一设备根据所述第二测量值和所述第三测量值得到所述第一测量值。
- 根据权利要求4所述的方法,其特征在于,所述第一测量值为信道占用比,所述第一资源集包括第二资源集和第三资源集,所述第二测量值为占用的子信道数,所述第三测量值为将发送的子信道数,所述第一设备根据所述第一信息对所述第一资源集进行测量得到第二测量值和第三测量值,包括:所述第一设备根据所述第一信息对所述第二资源集进行测量得到所述占用的子信道数,所述第一设备根据所述第一信息确定所述第三资源集中将发送的子信道数;所述第一设备根据所述第二测量值和所述第三测量值得到所述第一测量值,包括:所述第一设备根据所述占用的子信道数和所述将发送的子信道数得到所述信道占用比。
- 根据权利要求1-5任一项所述的方法,其特征在于,所述第一设备根据所述第一测量值确定所述第一数据的传输参数,包括:所述第一设备获取第一配置信息;所述第一设备根据所述第一配置信息和所述第一测量值确定所述第一数据的传输参数;其中,所述第一配置信息包括服务质量参数对应的第一测量值的取值集合,以及,与所述服务质量参数关联的以下传输参数中的至少一种:调制编码方式、传输块的传输次数、反馈资源数、数据信道的资源数、最大的发射功率、时延、传输距离、数据包大小、误包率。
- 根据权利要求1-6任一项所述的方法,其特征在于,所述第一设备根据所述第一测量值确定第一数据的传输方式,包括:如果所述第一测量值满足预设条件,则:所述第一设备丢弃所述第一数据;或者,所述第一设备将所述第一数据从HARQ应答传输的切换成预设传输次数的传输;或者,所述第一设备丢弃无HARQ应答的所述第一数据;或者,所述第一设备丢弃最低优先级的HARQ传输的所述第一数据;或者,所述第一设备丢弃传输距离超过传输距离门限的所述第一数据;或者,所述第一设备丢弃传输时延超过传输时延门限的所述第一数据。
- 根据权利要求1-7任一项所述的方法,其特征在于,所述第一资源集对应以下信道中的至少一种:数据信道、控制信道、反馈信道。
- 根据权利要求8所述的方法,其特征在于,所述控制信道位于所述数据信道所在时隙的时频资源之内,所述方法还包括:所述第一设备对所述数据信道对应的资源进行测量时,不对所述控制信道对应的资源进行测量,或者,所述第一设备对所述数据信道对应的资源进行测量时,同时对所述控制信道对应的资源和所述数据信道对应的资源进行测量。
- 根据权利要求8-9任一项所述的方法,其特征在于,所述反馈信道位于所述数据信道所在时隙的时频资源之内,所述方法还包括:所述第一设备对所述数据信道对应的资源进行测量时,不对所述反馈信道对应的资源进行测量,或者,所述第一设备对所述数据信道对应的资源进行测量时,同时对所述反馈信道对应的资源和所述数据信道对应的资源进行测量。
- 一种通信装置,其特征在于,包括:收发模块,用于根据第一信息对第一资源集进行测量得到第一测量值,其中,所述第一信息包括以下信息中的至少一种:所述第一资源集的子载波间隔、第一数据的服务质量参数、第一设备与第二设备之间的反馈信息;所述第一资源集用于第一数据的传输;处理模块,还用于根据所述第一测量值确定所述第一数据的传输方式,和/或,所述第一设备根据所述第一测量值确定所述第一数据的传输参数。
- 根据权利要求11所述的通信装置,其特征在于,所述收发模块,还用于:根据所述传输方式,和/或,所述传输参数向所述第二设备发送所述第一数据。
- 根据权利要求11-12中任一项所述的通信装置,其特征在于,所述处理模块,具体用于根据所述第一信息确定测量窗的大小,和/或,根据所述 第一信息确定所述测量窗的起始符号和结束符号,其中,所述测量窗的大小指所述第一设备在所述测量窗内对所述第一资源集进行测量时使用的时域资源和/或频域资源的数量;所述收发模块,具体用于根据所述测量窗的大小、起始符号和结束符号,在所述测量窗内对所述第一资源集进行测量得到所述第一测量值。
- 根据权利要求11-13任一项所述的通信装置,其特征在于,所述收发模块,具体用于根据所述第一信息对所述第一资源集进行测量得到第二测量值和第三测量值;所述处理模块,具体用于根据所述第二测量值和所述第三测量值得到所述第一测量值。
- 根据权利要求14所述的通信装置,其特征在于,所述第一测量值为信道占用比,所述第一资源集包括第二资源集和第三资源集,所述第二测量值为占用的子信道数,所述第三测量值为将发送的子信道数,所述收发模块,具体用于根据所述第一信息对所述第二资源集进行测量得到所述占用的子信道数,所述处理模块,具体用于根据所述第一信息确定所述第三资源集中将发送的子信道数;所述处理模块,具体用于根据所述占用的子信道数和所述将发送的子信道数得到所述信道占用比。
- 根据权利要求11-15任一项所述的通信装置,其特征在于,所述收发模块,具体用于获取第一配置信息;所述处理模块,具体用于根据所述第一配置信息和所述第一测量值确定所述第一数据的传输参数;其中,所述第一配置信息包括服务质量参数对应的第一测量值的取值集合,以及,与所述服务质量参数关联的以下传输参数中的至少一种:调制编码方式、传输块的传输次数、反馈资源数、数据信道的资源数、最大的发射功率、时延、传输距离、数据包大小、误包率。
- 根据权利要求11-16任一项所述的通信装置,其特征在于,所述处理模块,具体用于:如果所述第一测量值满足预设条件,则丢弃所述第一数据;或者,将所述第一数据从HARQ应答传输的切换成预设传输次数的传输;或者,丢弃无HARQ应答的所述第一数据;或者,丢弃最低优先级的HARQ传输的所述第一数据;或者,丢弃传输距离超过传输距离门限的所述第一数据;或者,丢弃传输时延超过传输时延门限的所述第一数据。
- 根据权利要求11-17任一项所述的通信装置,其特征在于,所述第一资源集对应以下信道中的至少一种:数据信道、控制信道、反馈信道。
- 根据权利要求18所述的通信装置,其特征在于,所述控制信道位于所述数据信道所在时隙的时频资源之内,所述收发模块,还用于对所述数据信道对应的资源进行测量时,不对所述控制信道对应的资源进行测量,或者,所述收发模块,还用于对所述数据信道对应的资源进行测量时,同时对所述控制信道对应的资源和所述数据信道对应的资源进行测量。
- 根据权利要求18-19任一项所述的通信装置,其特征在于,所述反馈信道位于所述数据信道所在时隙的时频资源之内,所述收发模块,还用于对所述数据信道对应的资源进行测量时,不对所述反馈信道对应的资源进行测量,或者,所述收发模块,还用于对所述数据信道对应的资源进行测量时,同时对所述反馈信道对应的资源和所述数据信道对应的资源进行测量。
- 根据权利要求3、13任一项所述的方法或通信装置,其特征在于,所述测量窗包括第一测量窗和第二测量窗,所述第一信息包括所述服务质量参数,所述服务质量参数为第一数据的优先级,则优先级高的数据对应第一测量窗,优先级低的数据对应第二测量窗;或者,所述服务质量参数为第一数据的时延参数,则时延高的数据对应第一测量窗,时延低的数据对应第二测量窗;或者,所述服务质量参数为第一数据的误包率,则误包率高的数据对应第一测量窗,误包率小的数据对应第二测量窗;或者,所述服务质量参数为第一数据的业务类型,则周期业务的数据对应第一测量窗,非周期业务的数据对应第二测量窗。
- 根据权利要求21所述的方法或通信装置,其特征在于,所述第一测量窗和所述第二测量窗在时域上占用的资源不同,或者,所述第一测量窗比所述第二测量窗占用更多的时域资源,或者,所述第一测量窗与所述第二测量窗在时域上部分或全部重叠。
- 根据权利要求21、22任一项所述的方法或通信装置,其特征在于,所述第一测量窗和所述第二测量窗关联相应的测量门限。
- 根据权利要求3、13、21-23任一项所述的方法或通信装置,其特征于,所述第一信息包括所述第一资源集的子载波间隔,所述第一资源集的子载波间隔为15kHz或30kHz,则所述起始符号为时隙中的第二个符号,所述结束符号为时隙中的倒数第二个符号;或者,所述第一资源集的子载波间隔为60kHz,则所述起始符号为时隙中的第三个符号,所述结束符号为时隙中的倒数第二个符号;或者,所述第一资源集的子载波间隔为120kHz,所述起始符号为时隙中的第五个符号,所述结束符号为时隙中的倒数第二个符号。
- 根据权利要求24所述的方法或通信装置,其特征于,所述时隙为传输所述第一数据的每个时隙,或者为连续K个时隙中的第一个时隙,其中K为大于1的整数。
- 根据权利要求5、15任一项所述的方法或通信装置,其特征在于,所述将发送的子信道数包括以下信息中的至少一种:所述第一设备检测到的否定应答对应的重传资源;所述第一设备生成的否定应答对应的重传资源;所述第一设备检测到的控制信息中指示的预留资源。
- 根据权利要求8-9、18-19任一项所述的方法或通信装置,其特征在于,对所述反馈信道对应的资源进行测量时,仅对所述反馈信道对应的资源进行测量,所述反馈信道对应的资源位于所述第一资源集中每N个时隙中的最后M个符号,其中,M和N为正整数。
- 根据权利要求1-27任一项所述的方法或通信装置,其特征在于,所述第一测量值包括以下测量值中的至少一种:接收信号强度指示信息、参考信号接收功率、信道忙碌比、信道占用比。
- 根据权利要求1-28任一项所述的方法或通信装置,其特征在于,所述第一数据的服务质量参数包括以下信息中的至少一种:所述第一数据的业务类型、所述第一数据的优先级信息、所述第一数据的时延参数、所述第一数据的误包率、所述第一数据的包大小、所述第一数据的最小通信距离;其中,所述第一数据的业务类型为周期业务或非周期业务。
- 根据权利要求1-29任一项所述的方法或通信装置,其特征在于,所述反馈信息包括:第一设备从第二设备接收到的信道状态信息CSI反馈信息和/或混合自动重传请求HARQ应答信息;或者,第一设备发送给第二设备的CSI反馈信息和/或HARQ应答信息。
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