WO2023051744A1 - 通信方法和通信装置 - Google Patents
通信方法和通信装置 Download PDFInfo
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- WO2023051744A1 WO2023051744A1 PCT/CN2022/122931 CN2022122931W WO2023051744A1 WO 2023051744 A1 WO2023051744 A1 WO 2023051744A1 CN 2022122931 W CN2022122931 W CN 2022122931W WO 2023051744 A1 WO2023051744 A1 WO 2023051744A1
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- 238000004891 communication Methods 0.000 title claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 151
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
- H04L1/0038—Blind format detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0046—Code rate detection or code type detection
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- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
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- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0067—Rate matching
Definitions
- the embodiments of the present application relate to the communication field, and more specifically, relate to a communication method and a communication device.
- one time slot carries one PUSCH repetition, and one time slot carries one transmission block cyclic redundancy check code.
- the configured authorized physical PUSCH can start PUSCH transmission from the time slot where the redundancy version (redundancy version, RV) is 0.
- RV redundancy version
- PUSCH transmission mode is applied to problems that need to be solved in configuring authorized resources.
- Embodiments of the present application provide a communication method and a communication device, in order to reduce the complexity of blind detection of network equipment.
- a communication method receives a first parameter and a second parameter sent by the network device; and the terminal device determines and configures authorized physical uplink sharing according to the first parameter and the second parameter.
- the network device sends the first parameter and the second parameter to the terminal device, and the terminal device can determine and configure the initial time slot for PUSCH transmission authorization according to the first parameter and the second parameter, and perform configuration according to the initial time slot
- the PUSCH transmission is authorized, thereby helping to reduce the complexity of blind detection of network equipment.
- the first parameter and the second parameter are carried in radio resource control RRC signaling; or, the first parameter and the second parameter Carried in the activated downlink control information DCI; or, the first parameter is carried in RRC signaling, and the second parameter is carried in the activated DCI; or, the first parameter is carried in the activated DCI, and the second parameter is carried in the activated DCI.
- the two parameters are carried in the RRC signaling.
- the first parameter is the number of valid time slots P in the one configuration grant period
- the second parameter is the number of repetitions K
- the number of effective time slots P in the one configuration authorization period is an integer multiple of the number of repetitions K
- the number of effective time slots P in the one configuration grant period is an integer multiple of the number of effective time slots N in each repetition .
- the number of valid time slots P in a configuration authorization period may be an integer multiple of the number of repetitions K or the number of valid time slots N, thereby reducing the complexity of determining the initial time slot for the terminal device.
- the first parameter and the second parameter are the number of repetitions K and the number of effective time slots N in each repetition, then The number of valid time slots in the one configuration grant period is K*N.
- M is an integer greater than or equal to 1
- the first parameter or the second parameter is the number of effective time slots N for each repetition
- the other is when the number K of repetitions in a
- the first parameter and the second parameter are the number of repetitions K in a configuration grant period and the number of valid time slots N in each repetition, Or, when the first parameter is the number of effective time slots P in a configured grant period, and the first parameter is an integer multiple of the second parameter,
- the reference effective time slot is the first one of the effective time slots in the one configuration authorization period, and the initial time slot is the effective time slot with a distance of M*N1 effective time slots from the reference effective time slot in one configuration authorization period. time slot.
- the position of the initial time slot can be determined, which can help reduce the complexity of blind detection by the network device.
- the first parameter is the number of valid time slots P in a configured grant period, and the first parameter is not an integer of the second parameter times,
- the reference effective time slot is the first one of the effective time slots in the one configuration authorization period, and the initial time slot is the effective time slot with a distance of M*N1 effective time slots from the reference effective time slot in one configuration authorization period.
- time slot wherein, M is an integer; or, the reference effective time slot is the last one of the effective time slots in the one configuration authorization period, and the initial time slot is the same as the reference effective time slot in a configuration authorization period
- the position of the initial time slot can be determined, which can help reduce the complexity of blind detection by the network device.
- the reference valid time slot is preset; or the reference valid time slot is received by the terminal device from the network device.
- the reference effective time slot is preset, and it can be understood that the reference effective time slot is stipulated by a protocol.
- the terminal device determines and configures an initial time slot for authorizing physical uplink shared channel PUSCH transmission according to the first parameter and the second parameter, including:
- the terminal device determines an initial time slot for configuring authorized physical uplink shared channel PUSCH transmission according to the redundancy version RV sequence and the first parameter and the second parameter, and the redundancy version RV sequence is obtained by the terminal device from the Received by the above network device.
- the terminal device can determine the initial time slot according to the first parameter and the second parameter, and can determine the RV used on the initial time slot according to the RV sequence.
- the M A1*N2, where A1 is an integer greater than or equal to 0, and N2 is the minimum period of the RV.
- one RV is used for one repetition, and all repetitions of the configured authorized PUSCH transmission use the RV in the RV sequence.
- the repeated RV carried on the initial time slot is 0.
- RV0 basically includes all systematic bits, so that the possibility of successful early decoding can be improved.
- the M when the first parameter or the second parameter is the number K of repetitions within a configuration authorization period, the M is greater than or equal to 0 and less than Or equal to K-1, M is an integer; or, when the first parameter and the second parameter are the number of valid time slots P in a configuration grant period and the number of valid time slots N in each repetition, the Said M is greater than or equal to 0 and less than or equal to floor(P/N)-1, and M is an integer.
- the performing the configuration authorization PUSCH transmission according to the initial time slot includes: starting from the repetition of the initial time slot bearing, authorizing the PUSCH according to the configuration Each repeated RV for transmission performs encoding of the configuration authorization PUSCH; performs repeated transmission of the configuration authorization PUSCH according to the encoding result.
- the repeated RV carried on the initial time slot is 0.
- This technical solution can determine the RV used in the initial time slot.
- the repeated RV carried by the initial time slot when the repeated RV carried by the initial time slot is not 0, at least one repeated RV exists in all repetitions of the configured authorized PUSCH transmission is 0.
- RV0 basically includes all systematic bits, while other RVs may only include some systematic bits. If only other RVs are sent, decoding may not be possible. This technical solution can improve the possibility of decoding in advance.
- the method further includes: performing the encoding of the configuration authorized PUSCH according to the first RV sequence and the number of effective time slots N, the first One RV is the repeated RV carried on the last P-floor(P/N)*N effective time slots; the result of the encoding is from front to back in the last P-floor(P/N)*N effective time slots in transmission.
- the first parameter is the number of valid time slots P in a configuration authorization period
- the second parameter is the number of repetitions K in a configuration authorization period
- the first parameter is not an integer multiple of the second parameter
- the reference valid time slot is the first one of the valid time slots in the one configuration grant period
- the last P-floor(P/K)* The PUSCH is not transmitted in the K effective time slots; or, the method further includes: encoding the configured authorized PUSCH according to the first RV sequence and the repetition number K; The PUSCH is transmitted in one repeated effective time slot.
- a communication device including:
- a transceiver unit configured to receive the first parameter and the second parameter sent by the network device
- a processing unit configured to determine an initial time slot for configuring authorized physical uplink shared channel PUSCH transmission according to the first parameter and the second parameter;
- the processing unit is further configured to perform the configuration authorization PUSCH transmission according to the initial time slot.
- the first parameter and the second parameter are carried in radio resource control RRC signaling; or, the first parameter and the second parameter Carried in the activated downlink control information DCI; or, the first parameter is carried in RRC signaling, and the second parameter is carried in the activated DCI; or, the first parameter is carried in the activated DCI, and the second parameter is carried in the activated DCI.
- the two parameters are carried in the RRC signaling.
- the first parameter is the number of valid time slots P in the one configuration grant period
- the second parameter is the number of repetitions K
- the number of effective time slots P in the one configuration authorization period is an integer multiple of the number of repetitions K
- the number of effective time slots P in the one configuration grant period is an integer multiple of the number of effective time slots N in each repetition .
- the first parameter and the second parameter are the number of repetitions K and the number of effective time slots N in each repetition, then The number of valid time slots in the one configuration grant period is K*N.
- M is an integer greater than or equal to 1
- the first parameter or the second parameter is the number of effective time slots N for each repetition
- the other is when the number K of repetitions in a
- the first parameter and the second parameter are the number of repetitions K in a configuration grant period and the number of valid time slots N in each repetition, Or, when the first parameter is the number of effective time slots P in a configured grant period, and the first parameter is an integer multiple of the second parameter,
- the reference effective time slot is the first one of the effective time slots in the one configuration authorization period, and the initial time slot is the effective time slot with a distance of M*N1 effective time slots from the reference effective time slot in one configuration authorization period. time slot.
- the first parameter is the number of valid time slots P in a configured grant period, and the first parameter is not an integer of the second parameter times
- the reference effective time slot is the first one of the effective time slots in the one configuration authorization period, and the initial time slot is the effective time slot with a distance of M*N1 effective time slots from the reference effective time slot in one configuration authorization period.
- time slot, M is an integer; or, the reference effective time slot is the last one of the effective time slots in the one configuration authorization period, and the initial time slot is the distance M from the reference effective time slot in one configuration authorization period *N1-1 effective time slots, M is an integer greater than or equal to 1.
- the reference valid time slot is preset; or the reference valid time slot is received by the terminal device from the network device.
- the processing unit is specifically configured to: determine and configure the authorized physical uplink shared channel PUSCH according to the redundancy version RV sequence and the first parameter and the second parameter In an initial time slot of transmission, the redundancy version RV sequence is received by the terminal device from the network device.
- the M A1*N2, where A1 is an integer greater than or equal to 0, and N2 is the minimum period of the RV.
- one RV is used for one repetition, and all repetitions of the configuration authorization PUSCH transmission use the RV in the RV sequence.
- the repeated RV carried on the initial time slot is 0.
- the M when the first parameter or the second parameter is the number K of repetitions within a configuration authorization period, the M is greater than or equal to 0 and less than Or equal to K-1, M is an integer; or, when the first parameter and the second parameter are the number of valid time slots P in a configuration grant period and the number of valid time slots N in each repetition, the Said M is greater than or equal to 0 and less than or equal to floor(P/N)-1, and M is an integer.
- the processing unit is specifically configured to: start from the repetition carried by the initial time slot, and perform the RV for each repetition of PUSCH transmission authorized according to the configuration. Encoding the configuration authorization PUSCH; performing the configuration authorization PUSCH transmission according to the encoding result.
- the repeated RV carried on the initial time slot is 0.
- the repeated RV carried by the initial time slot when the repeated RV carried by the initial time slot is not 0, there is at least one repeated RV for all repetitions of the configured authorized PUSCH transmission is 0.
- the first parameter is the number of valid time slots P in a configured grant period
- the second parameter is the number of valid time slots P in each repetition
- the number of slots is N
- the first parameter is not an integer multiple of the second parameter
- the reference effective time slot is the first of the effective time slots in the one configuration authorization period
- the last P-floor( The PUSCH is not transmitted in P/N)*N effective time slots; or the processing unit is also used for:
- Encoding the configuration authorization PUSCH is performed according to the first RV sequence and the number of effective time slots N, the first RV is the repeated RV carried on the last P-floor(P/N)*N effective time slots;
- the encoding result is transmitted in the last P-floor(P/N)*N effective time slots from front to back.
- the second parameter when the first parameter is the number of effective time slots P in a configuration authorization period, the second parameter is the number of repetitions K in a configuration authorization period, and
- the first parameter is not an integer multiple of the second parameter, and the reference valid time slot is the first one of the valid time slots in the one configuration grant period, the last P-floor(P/K)*
- the PUSCH is not transmitted in the K effective time slots; or the processing unit is also used for:
- Encoding of the configuration authorization PUSCH is performed according to the first RV sequence and the number of effective time slots N, where the first RV is the repeated RV carried on the last P-floor(P/K)*K effective time slots;
- the result of the encoding is transmitted to the PUSCH in the last P-floor(P/K)*K effective time slots from front to back.
- a communication device including at least one processor, the at least one processor is coupled to at least one memory, and the at least one processor is configured to execute computer programs or instructions stored in the at least one memory, The communication method described in the above first aspect and any possible implementation manner thereof is executed.
- a chip in a fourth aspect, includes a processor and an interface circuit, the processor and the interface circuit are coupled to each other, the interface circuit is used to communicate with other devices, and the processor The signal is processed, so that the communication method described in the above first aspect and any possible implementation manner thereof is executed.
- a computer-readable storage medium where computer instructions are stored in the computer-readable storage medium, and when the computer instructions are run on a computer, the above-mentioned first aspect and any possible implementation thereof The communication method described in is implemented.
- a computer program product including computer program code.
- the computer program code When the computer program code is run on a computer, the communication method described in the above first aspect and any possible implementation thereof is implemented by implement.
- FIG. 1 is a schematic structural diagram of a communication system in an embodiment of the present application.
- Fig. 2 is a schematic diagram of a repetition type in the embodiment of the present application.
- Fig. 3 is a schematic diagram of another repetition type in the embodiment of the present application.
- Fig. 4 is a schematic diagram of a multi-slot transmission block in an embodiment of the present application.
- Fig. 5 is a schematic diagram of time domain resource configuration in the embodiment of the present application.
- Fig. 6 is a schematic diagram of a redundant version sequence in the embodiment of the present application.
- Fig. 7 is a schematic diagram of another redundancy version sequence in the embodiment of the present application.
- Fig. 8 is a schematic diagram of another redundancy version sequence in the embodiment of the present application.
- Fig. 9 is a schematic interaction diagram of a communication method provided by an embodiment of the present application.
- Fig. 10 is a schematic diagram of a possibility of transmitting a PUSCH provided by an embodiment of the present application.
- Fig. 11 is a schematic diagram of another possibility of transmitting the PUSCH provided by the embodiment of the present application.
- Fig. 12 is a schematic diagram of another possibility of transmitting the PUSCH provided by the embodiment of the present application.
- Fig. 13 is a schematic diagram of another possibility of transmitting the PUSCH provided by the embodiment of the present application.
- Fig. 14 is a schematic diagram of another possibility of transmitting the PUSCH provided by the embodiment of the present application.
- Fig. 15 is a schematic block diagram of a communication device provided by an embodiment of the present application.
- GSM global system of mobile communication
- CDMA code division multiple access
- WCDMA broadband code division multiple access
- general packet radio service general packet radio service, GPRS
- long term evolution long term evolution
- LTE long term evolution
- LTE frequency division duplex frequency division duplex
- FDD frequency division duplex
- UMTS Universal Mobile Telecommunications System
- WiMAX Worldwide Interoperability for Microwave Access
- 5G Fifth Generation
- NR new radio
- the terminal equipment in the embodiment of the present application may refer to a user equipment (user equipment, UE), an access terminal, a subscriber unit, a user station, a mobile station, a mobile station (mobile station, MS), a remote station, a remote terminal, a mobile device, User terminal, terminal, mobile terminal (mobile terminal, MT), wireless communication equipment, user agent or user device, etc.
- UE user equipment
- UE user equipment
- MS mobile station
- remote station a remote terminal
- a mobile device User terminal, terminal, mobile terminal (mobile terminal, MT), wireless communication equipment, user agent or user device, etc.
- the terminal device may also be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a Functional handheld devices, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in future 5G networks or future evolutions of public land mobile networks (public land mobile network, PLMN) terminal equipment, etc.
- SIP session initiation protocol
- WLL wireless local loop
- PDA personal digital assistant
- Functional handheld devices computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in future 5G networks or future evolutions of public land mobile networks (public land mobile network, PLMN) terminal equipment, etc.
- PLMN public land mobile network
- Terminal equipment can be mobile phone, tablet computer (Pad), computer with wireless transceiver function, virtual reality (virtual reality, VR) terminal equipment, augmented reality (augmented reality, AR) terminal equipment, industrial control (industrial control) ), wireless terminals in self driving, wireless terminals in remote medical surgery, wireless terminals in smart grid, wireless terminals in transportation safety Terminals, wireless terminals in a smart city (smart city), wireless terminals in a smart home (smart home), etc., are not limited in this embodiment of the present application.
- VR virtual reality
- AR augmented reality
- industrial control industrial control
- the network device in the embodiment of the present application may be a device for communicating with a terminal device, and the network device may be a global system of mobile communication (GSM) system or a code division multiple access (CDMA)
- GSM global system of mobile communication
- CDMA code division multiple access
- the base transceiver station (BTS) in the system can also be the base station (nodeB, NB) in the wideband code division multiple access (WCDMA) system, or the evolved base station (evolutionary base station) in the LTE system.
- NB base station
- WCDMA wideband code division multiple access
- evolutionary base station evolved base station
- nodeB can also be a wireless controller in a cloud radio access network (cloud radio access network, CRAN) scenario, or the network device can be a relay station, an access point, or an access point in a Wi-Fi system
- cloud radio access network CRAN
- Nodes, vehicle-mounted devices, wearable devices, and network devices in 5G and 6G networks, or network devices in future evolved PLMN networks, etc., are not limited by the embodiments of the present application.
- FIG. 1 is a schematic structural diagram of a communication system in an embodiment of the present application.
- the communication system may include a core network device 110 , a radio access network device 120 and at least one terminal device 131 , 132 .
- the terminal devices 131 and 132 are connected to the radio access network device 120 in a wireless manner, and the radio access network device 120 is connected to the core network device 110 in a wireless or wired manner.
- the core network device 110 and the radio access network device 120 may be independent and different physical devices, or the functions of the core network device and the logical functions of the radio access network device may be integrated on the same physical device, or they may be one Part of the functions of the core network device and part of the functions of the radio access network device are integrated on the physical device.
- the terminal devices 131 and 132 may be fixed or movable. FIG.
- the communication system may also include other network devices, such as wireless relay devices and wireless backhaul devices (not shown in FIG. 1 ).
- the embodiments of the present application do not limit the number of core network equipment, radio access network equipment, and terminal equipment included in the mobile communication system.
- Radio access network equipment and terminal equipment can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; they can also be deployed on water; they can also be deployed on aircraft, balloons and satellites in the air.
- the embodiments of the present application do not limit the application scenarios of the wireless access network device and the terminal device.
- the embodiments of the present application may be applicable to downlink signal transmission, uplink signal transmission, or device-to-device (device to device, D2D) signal transmission.
- the sending device is a wireless access network device
- the corresponding receiving device is a terminal device.
- the sending device is a terminal device
- the corresponding receiving device is a wireless access network device.
- D2D signal transmission the sending device is a terminal device, and the corresponding receiving device is also a terminal device.
- the transmission direction of the signal in the embodiments of the present application is not limited.
- Communications between wireless access network devices and terminal devices and between terminal devices can be performed through licensed spectrum (licensed spectrum), or through unlicensed spectrum (unlicensed spectrum), or both through licensed spectrum and unlicensed spectrum.
- Licensed spectrum for communication Communication between wireless access network equipment and terminal equipment and between terminal equipment and terminal equipment can be carried out through the spectrum below 6G, or through the spectrum above 6G, and can also use the spectrum below 6G and above 6G spectrum at the same time to communicate.
- the embodiments of the present application do not limit the frequency spectrum resources used between the radio access network device and the terminal device.
- PUSCH physical uplink shared channel
- An uplink grant in a downlink control information is used to dynamically schedule the PUSCH, wherein the DCI is physical layer information.
- the terminal device performs a PUSCH transmission once receiving an uplink scheduling.
- Configured grant (configured grant, CG) type 1: semi-persistently configured by the high-level information unit configuredGrantConfig containing rrc-ConfiguredUplinkGrant, and does not need to receive the uplink grant in the DCI.
- the upper layer configures some semi-persistent resources. If the terminal device has uplink data to send, it can use these resources to send PUSCH. If there is no uplink data to send, it will not send it.
- Configuration grant type 2 first receive the configuredGrantConfig high-level information unit that does not include rrc-ConfiguredUplinkGrant, and then effectively activate the semi-persistent scheduling of the uplink grant in the DCI.
- some semi-persistent resources are configured by the upper layer, and then deactivated by physical layer signaling.
- the terminal device When activated, if the terminal device has uplink data to send, it can use these resources for PUSCH transmission. If not activated, these resources cannot in use.
- a PUSCH can contain multiple repetitions, each repetition transmits the same transport block (TB), the redundancy version can be the same or different, and one repetition carries a transport block cyclic redundancy check code (transport block cyclic redundancy check, TB CRC), and the unit of rate matching is also a repetition.
- transport block cyclic redundancy check transport block cyclic redundancy check, TB CRC
- Fig. 2 is a schematic diagram of a repetition type in the embodiment of the present application.
- k transmission opportunities correspond to consecutive k time slots (slots), and one transmission opportunity in each time slot can be used
- a repetition of PUSCH is transmitted, and the start symbol and duration of each transmission opportunity (pattern filling part in FIG. 2 ) in each time slot are the same.
- TDD time-division duplexing
- K repetitions of a PUSCH transmission are nominal repetitions, that is to say, a PUSCH transmission corresponds to k time slots, regardless of whether each of the k time slots can be actually used. to send PUSCH repetitions.
- K effective time slots may be determined based on radio resource control (radio resource control, RRC) configuration and scheduling DCI.
- RRC radio resource control
- K effective time slots may be determined based on RRC configuration.
- K effective time slots can be determined based on RRC configuration and activated DCI.
- One type is determined according to the RRC configuration, and the second type is determined according to a dynamic indication, that is, caused by a physical layer indication, such as CI.
- the determination of the effective time slot may only consider the RRC signaling, without considering other physical layer indications other than the DCI for this PUSCH scheduling.
- Fig. 3 is a schematic diagram of another repetition type in the embodiment of the present application. As shown in (a) in FIG. 3 , if there is an RRC-configured high-priority uplink channel/signal transmission overlapping with the PUSCH resource in the second repeated time slot, then the time slot is not a valid time slot.
- each repetition corresponds to N consecutive time slots
- K transmission opportunities correspond to N*K consecutive time slots
- the available resources in each time slot The start symbol and duration are the same.
- One repetition bears one TB CRC, that is, up to N time slots bears one TB CRC, thereby reducing the signaling overhead of the TB CRC.
- rate matching can also be performed in units of N time slots. It should be noted that the time slots here may be all time slots or valid time slots.
- Fig. 5 is a schematic diagram of time domain resource configuration in the embodiment of the present application.
- high-level configuration resources may include the following parameters:
- Period (periodicity): It means the distance between two adjacent groups of transmission opportunities.
- the minimum value of periodicity is 2 symbols, and the maximum value can be 5120 time slots.
- the number of repetitions repK that is, the number of transmission opportunities included in each group of transmission opportunities, that is, the number of repetitions, which may also be the number of time slots or the number of effective time slots.
- repK may be referred to as K for short, and the value of K may include ⁇ 1, 2, 4, 8 ⁇ , and the values that may be supported in the future may include ⁇ 1, 2, 3, 4, 7, 8, 12, 16, 20, 24, 28, 32 ⁇ , K may also take other values, which are not limited in this embodiment of the present application.
- repK-RV repK-RV
- a transmission block can only be transmitted from the first transmission opportunity of K repetitions, otherwise, a transmission block is transmitted as described below:
- ConfiguredGrantConfig does not configure the parameter repK-RV, and the transmitted RV version is set to 0.
- the initial transmission can only be on the first transmission opportunity of K repetitions, as shown in Figure 6, which is a redundant transmission in the embodiment of this application Schematic diagram of the remaining version sequence.
- each repetition includes N time slots, the RVs used by the N time slots are all the same.
- an RV of 0 was used in the first replicate
- an RV of 3 was used in the second replicate
- an RV of 3 was used in the third replicate
- an RV of 1 was used in the fourth replicate.
- each repetition includes N time slots, the RVs used by the N time slots are all the same.
- the RV used in the first repetition was 0, the RV used in the second repetition was 3, the RV used in the third repetition was 2, and the RV used in the fourth repetition was 1,
- the RV used in the fifth replicate was 0, the RV used in the sixth replicate was 3, the RV used in the seventh replicate was 2, and the RV used in the eighth replicate was 1.
- each repetition includes N time slots, the RVs used by the N time slots are all the same.
- the 16 repetitions can be used cyclically according to the RV sequence ⁇ 0, 2, 3, 1 ⁇ .
- each repetition includes N time slots, the RVs used by the N time slots are all the same.
- the other is that the first repetition and the second repetition do not transmit PUSCH, and the initial transmission starts from the third repetition, then the RV used in the third repetition is 0, and the RV used in the fourth repetition is 3.
- the repeated transmission situations may include the following four types:
- the first is that the initial transmission starts from the first repetition, then the RV used in the first repetition is 0, the RV used in the second repetition is 3, the RV used in the third repetition is 0, and the fourth The RV used in the replicate was 3, the RV used in the fifth replicate was 0, the RV used in the sixth replicate was 3, the RV used in the seventh replicate was 0, and the RV used in the eighth replicate was 3.
- the second is that the first repetition and the second repetition do not transmit PUSCH, and the initial transmission starts from the third repetition, then the RV used by the third repetition is 0, the RV used by the fourth repetition is 3, and the fifth repetition An RV of 0 was used in the replicates, an RV of 3 was used in the sixth replicate, an RV of 0 was used in the seventh replicate, and an RV of 3 was used in the eighth replicate.
- the third is that PUSCH is not transmitted from the first repetition to the fourth repetition, and the initial transmission starts from the fifth repetition, then the RV used in the fifth repetition is 0, the RV used in the sixth repetition is 3, and the RV used in the sixth repetition is 3.
- An RV of 0 was used in seven replicates and an RV of 3 was used in the eighth replicate.
- the fourth type is that the PUSCH is not transmitted from the first repetition to the sixth repetition, the initial transmission starts from the seventh repetition, the RV used in the seventh repetition is 0, and the RV used in the eighth repetition is 3.
- FIG. 8 is a schematic diagram of another redundancy version sequence in the embodiment of the present application.
- repeated transmission situations may include the following two types:
- the other is that the PUSCH is not transmitted in the first repetition, and the RV used in the second repetition is 0.
- the repeated transmission situations may include the following four types:
- the first is that the initial transmission starts from the first repetition, and the RVs used from the first repetition to the fourth repetition are all 0.
- the second type is that the first repetition does not transmit the PUSCH, and the initial transmission starts from the second repetition, then the RVs used in the second repetition to the fourth repetition are all 0.
- the third type is that the PUSCH is not transmitted in the first repetition and the second repetition, and the initial transmission starts from the third repetition, and the RVs used in the third repetition to the fourth repetition are all 0.
- the fourth type is that the PUSCH is not transmitted from the first repetition to the third repetition, and the initial transmission starts from the fourth repetition, so the RVs used in the fourth repetition are all 0.
- the repeated transmission situations may include the following seven types:
- the first is that the initial transmission starts from the first repetition, and the RVs used from the first repetition to the eighth repetition are all 0.
- the second type is that the first repetition does not transmit the PUSCH, and the initial transmission starts from the second repetition, then the RVs used in the second repetition to the eighth repetition are all 0.
- the third type is that the PUSCH is not transmitted in the first repetition and the second repetition, and the initial transmission starts from the third repetition, and the RVs used in the third repetition to the eighth repetition are all 0.
- the fourth type is that the PUSCH is not transmitted from the first repetition to the third repetition, and the initial transmission starts from the fourth repetition, so the RVs used in the fourth repetition to the eighth repetition are all 0.
- the fifth is that the PUSCH is not transmitted from the first repetition to the fourth repetition, and the initial transmission starts from the fifth repetition, so the RVs used in the fifth repetition to the eighth repetition are all 0.
- the sixth type is that the PUSCH is not transmitted from the first repetition to the fifth repetition, and the initial transmission starts from the sixth repetition, so the RVs used in the sixth repetition to the eighth repetition are all 0.
- the seventh is that the PUSCH is not transmitted from the first repetition to the sixth repetition, and the initial transmission starts from the seventh repetition, so the RVs used in the seventh repetition to the eighth repetition are all 0.
- the terminal device can send it on the configured resources; if the terminal device has no data to send, it does not need to send it. Whether the terminal device has sent data or not, the network device needs to perform blind detection.
- the network device can configure different demodulation reference signal (demodulation reference signal, DMRS) parameters for different terminal devices, so that the network device can monitor different DMRSs of different terminal devices, and detect whether the terminal device has data sent.
- DMRS demodulation reference signal
- configuring authorized PUSCH can start PUSCH transmission from the repetition with RV of 0.
- the network device needs to determine which repetition of RV is 0 for the terminal device to start sending. Therefore, the complexity of blind detection performed by the network device is increased.
- the network device uses DMRS to judge whether there is data transmission on the transmission opportunity, and it may also cause no PUSCH transmission on a transmission opportunity, and the result of blind detection is that there is a PUSCH transmission; or, when there is a PUSCH transmission on a transmission opportunity, The result of the blind detection is that no PUSCH is sent, which leads to a decrease in PUSCH reception performance.
- PUSCH transmission mode is applied to problems that need to be solved in configuring authorized resources.
- the embodiment of the present application provides a communication method, in order to reduce the complexity of blind detection performed by network equipment and improve the performance of PUSCH reception.
- Fig. 9 is a schematic interaction diagram of a communication method provided by an embodiment of the present application. As shown in FIG. 9 , the method may include steps 910 to 940 .
- the network device sends a first parameter and a second parameter to the terminal device, where the first parameter and the second parameter are any two of the following parameters: the number of valid time slots P in a configuration authorization period; The number of repetitions K in a configuration authorization cycle; the number of effective time slots N for each repetition, N is an integer greater than or equal to 2, and each repetition carries a transport block cyclic redundancy check code TB CRC.
- time slots in the full text can be replaced by time slots, that is, it does not distinguish whether they are valid or not.
- N the number of effective time slots for each repetition.
- the first parameter is the number of valid time slots P in a configuration authorization period
- the second parameter is the number of repetitions K in a configuration authorization period
- the first parameter is the effective time slots in a configuration authorization period
- the number of time slots P, the second parameter is the number of effective time slots N for each repetition; or, the first parameter is the number of effective time slots P in a configuration authorization period, and the second parameter is the effective time slots for each repetition Number of slots N.
- the first parameter and the second parameter may be carried in the radio resource control RRC signaling; or, the first parameter and the second parameter are carried in the activation downlink control information DCI; or, the first parameter is carried in the RRC signaling , the second parameter is carried in the activated DCI; or, the first parameter is carried in the activated DCI, and the second parameter is carried in the RRC signaling, which is not limited in this embodiment of the present application.
- the network device can adjust the parameters according to the real-time transmission situation, thereby increasing the flexibility of network device scheduling, and further reducing the physical layer. Signaling overhead.
- the activated downlink control information DCI here refers to the activated downlink control information for configuring the PUSCH transmission of the grant type 2.
- the first parameter is the number of effective time slots P in the one configuration authorization period
- the second parameter is the number of repetitions K
- the number of valid time slots in the one configuration authorization period is an integer multiple of the number of repetitions K
- the number of effective time slots P in the one configuration grant period is an integer multiple of the number of effective time slots N in each repetition .
- the number of effective time slots P in a configuration authorization cycle is an integer multiple of the number of repetitions K in a configuration authorization cycle or the number of effective time slots N included in each repetition, it is beneficial to reduce the complexity of calculating the initial time slot .
- the protocol can stipulate that the number of effective time slots P in a configuration authorization period is an integer multiple of the number of repetitions K in a configuration authorization period or the number of effective time slots N included in each repetition.
- the terminal device may consider the configuration to be invalid.
- the effective time slots in the one configuration grant period The number of time slots is K*N.
- the terminal device determines an initial time slot for configuring authorized PUSCH transmission according to the first parameter and the second parameter.
- the initial time slot refers to a time slot at which the terminal device starts to transmit the PUSCH.
- the initial time slot can be the first of the valid time slots in a configuration grant period, or the last valid time slot in a configuration grant period, or the valid time slot in a configuration grant period Other time slots, which are not limited in this embodiment of the present application.
- the initial time slot is M*N1 distance away from the reference effective time slot.
- the effective time slot means that the sequence number of the effective time slot differs by M*N1. It can be that the sequence number of the initial time slot is larger than the sequence number of the reference effective time slot. M*N1, it may also be that the sequence number of the reference effective time slot is M*N1 greater than the sequence number of the initial time slot.
- the terminal device determines and configures an initial time slot for authorizing physical uplink shared channel PUSCH transmission according to the first parameter and the second parameter, including:
- the terminal device determines an initial time slot for configuring authorized physical uplink shared channel PUSCH transmission according to the redundancy version RV sequence and the first parameter and the second parameter, and the redundancy version RV sequence is obtained by the terminal device from the Received by the above network device.
- the terminal device may determine the initial time slot according to the first parameter and the second parameter, and determine the reused RV carried by the initial time slot according to the RV sequence.
- the RV sequence may be received by the terminal device from the network device.
- the RV sequence may be ⁇ 0, 0, 0, 0 ⁇ , ⁇ 0, 2, 3, 1 ⁇ , ⁇ 0, 3, 0, 3 ⁇ , etc. as mentioned above.
- the terminal device performs the configuration authorization PUSCH transmission according to the initial time slot.
- the terminal device performs configuration authorization PUSCH transmission from the initial time slot according to the initial time slot.
- the terminal device starts from the repetition carried on the initial time slot, the terminal device performs encoding of the configuration authorization PUSCH according to each repeated RV of the configuration authorization PUSCH transmission; and performs configuration authorization PUSCH transmission according to the encoding result .
- the repeated RV carried on the initial time slot is 0.
- FIG. 10 is a schematic diagram of a possibility of transmitting a PUSCH provided by an embodiment of the present application.
- the initial time slot is the first of the valid time slots in the configuration authorization period
- the first repetition that is, the RV used for encoding the first time slot to the fourth time slot
- the second repetitions that is, the RV used for coding the fifth to eighth time slots is 3
- the terminal device can configure the coded repetitions to authorize PUSCH transmission.
- the initial time slot is the fifth of the valid time slots in the configuration grant period, that is, the PUSCH is not repeatedly transmitted in the first time slot, and the RV used for coding from the fifth time slot to the eighth time slot is 0 , the terminal device can configure and authorize PUSCH transmission for the encoded second repetition.
- one RV is used for one repetition, and the RV in the RV sequence is used cyclically for all repetitions of the configuration authorization PUSCH transmission.
- the number of effective time slots P in a configuration authorization period is 16, and the number N of effective time slots included in each repetition is 4. It can be seen that the repetition in the configuration authorization period
- the number K is 4 and the RV sequence is ⁇ 0, 3, 0, 3 ⁇ .
- the initial time slot is the first of the valid time slots in the configuration grant period
- the first valid time slot to the fourth valid time slot included in the first repetition use the same RV, That is, the RV is 0, the second reuse has an RV of 3, the third reuse has an RV of 0, and the fourth reuse has an RV of 3. It should be understood that if the configuration authorization period has more iterations, the remaining iterations may use RVs in a circular manner according to the RV sequence.
- the network device may start from various possible initial time slots, and use the DMRS to judge whether there is data transmission on a configuration grant schedule.
- the repetition carried on the initial time slot may be decoded according to the RV sequence.
- RV0 when there is data to be sent on an initial time slot, and the network device determines that the repeated RV carried on the initial time slot is 0, RV0 may be directly used for decoding.
- the network device may determine the initial time slot for PUSCH transmission after receiving the configuration authorization PUSCH, thereby reducing the complexity of blind detection of the network device.
- the network device sends the first parameter and the second parameter to the terminal device, and the terminal device can determine and configure the initial time slot for PUSCH transmission authorization according to the first parameter and the second parameter, and perform configuration according to the initial time slot
- the PUSCH transmission is authorized, thereby helping to reduce the complexity of blind detection of network equipment.
- the first parameter and the second parameter are the number K of repetitions in a configuration authorization cycle and the number of valid time slots N in each repetition, or the first parameter is a configuration authorization
- the number of effective time slots P in the cycle, and the first parameter is an integer multiple of the second parameter
- the reference effective time slot is the first one of the effective time slots in the one configuration authorization period, and the initial time slot is the effective time slot with a distance of M*N1 effective time slots from the reference effective time slot in one configuration authorization period. time slot.
- the reference valid time slot is the first one of the valid time slots in a configuration grant period
- the initial time slot is 0*4 effective time slots away from the reference valid time slot
- the effective time slot of the time slot, that is, the initial time slot is the reference effective time slot, that is, the first one of the effective time slots in a configuration grant period.
- the reference valid time slot is the first one of the valid time slots in the configuration authorization period
- the initial time slot is 1*4 valid time slots away from the reference valid time slot effective time slot, that is, the initial time slot is the fifth effective time slot.
- the second parameter may be the number of time slots included in each repetition.
- the reference effective time slot is the first one of the effective time slots in a configuration grant period
- the initial time slot is 0*4 effective hours away from the reference effective time slot
- the effective time slot of the slot, that is, the initial time slot is also the reference effective time slot, that is, the first one of the effective time slots in a configuration grant period.
- the reference valid time slot is the first one of the valid time slots within a configuration grant period, and the initial time slot is 1*4 effective hours away from the reference valid time slot
- the effective time slot of the current slot, that is, the initial time slot is the fifth effective time slot.
- the reference valid time slot is the first one of the valid time slots in a configuration grant period, and the initial time slot is 2*4 effective hours away from the reference valid time slot
- the effective time slot of the slot, that is, the initial time slot is the ninth effective time slot.
- the reference effective time slot is the first one of the effective time slots in a configuration grant period, and the initial time slot is 3*4 effective hours away from the reference effective time slot
- the effective time slot of the slot, that is, the initial time slot is the thirteenth effective time slot.
- the first parameter is the number of effective time slots P in a configuration authorization period, and the first parameter is not an integer multiple of the second parameter
- the reference effective time slot is the first one of the effective time slots in the one configuration authorization period, and the initial time slot is the effective time slot with a distance of M*N1 effective time slots from the reference effective time slot in one configuration authorization period.
- time slot, M is an integer; or, the reference effective time slot is the last one of the effective time slots in the one configuration authorization period, and the initial time slot is the distance M from the reference effective time slot in one configuration authorization period *N1-1 effective time slots, M is an integer greater than or equal to 1.
- the initial time slot is M*N1-1 distance from the reference effective time slot.
- the effective time slot means that the sequence number of the effective time slot differs by M*N1-1. It can be that the sequence number of the initial time slot is more effective than the reference
- the sequence number of the slot is M*N1-1 greater than that of the initial time slot, or the sequence number of the reference effective time slot is M*N1-1 greater than the sequence number of the initial time slot.
- FIG. 11 is a schematic diagram of another possibility of PUSCH transmission provided by the embodiment of the present application.
- the reference valid time slot is the valid time slot in the one configuration grant period
- the first one of the slots, the initial time slot is an effective time slot that is M*N effective time slots away from the reference effective time slot within the configuration grant period.
- the initial time slot is an effective time slot with a distance of 0*3 effective time slots from the reference effective time slot within a configuration authorization period, that is, the initial time slot is the first effective time slot Gap.
- the initial time slot is an effective time slot that is 1*3 effective time slots away from the reference effective time slot within a configuration authorization period, that is, the initial time slot is the fourth effective time slot Gap.
- the initial time slot is an effective time slot that is 2*3 effective time slots away from the reference effective time slot within a configuration authorization period, that is, the initial time slot is the seventh effective time slot Gap.
- the initial time slot is an effective time slot that is 3*3 effective time slots away from the reference effective time slot within a configuration authorization period, that is, the initial time slot is the tenth effective time slot Gap.
- the initial time slot is an effective time slot that is 4*3 effective time slots away from the reference effective time slot within a configuration authorization period, that is, the initial time slot is the thirteenth effective time slot time slot.
- FIG. 12 is a schematic diagram of another possibility of PUSCH transmission provided by the embodiment of the present application.
- the reference effective time slot is the effective time slot in the one configuration authorization period
- the initial time slot is an effective time slot with a distance of M*N-1 effective time slots from the reference effective time slot within a configuration authorization period, and M is greater than or An integer equal to 1.
- the initial time slot is an effective time slot with a distance of 1*3-1 effective time slots from the reference effective time slot within a configuration authorization period, that is, the initial time slot is the fourteenth valid time slots.
- the initial time slot is an effective time slot that is 2*3-1 effective time slots away from the reference effective time slot within a configuration authorization period, that is, the initial time slot is the eleventh valid time slots.
- the initial time slot is an effective time slot that is 3*3-1 effective time slots away from the reference effective time slot within a configuration authorization period, that is, the initial time slot is the eighth Valid time slot.
- the initial time slot is an effective time slot that is 4*3-1 effective time slots away from the reference effective time slot within a configuration authorization period, that is, the initial time slot is the fifth Valid time slot.
- the initial time slot is an effective time slot that is 5*3-1 effective time slots away from the reference effective time slot within a configuration authorization period, that is, the initial time slot is the second Valid time slot.
- the reference valid time slot is preset; or the reference valid time slot is received by the terminal device from the network device.
- reference effective time slot is preset, and it can be understood that the reference effective time slot is stipulated by a protocol.
- the M A1*N2, wherein, A1 is an integer greater than or equal to 0, and N2 is the minimum period of the RV.
- N2 is the minimum period of the RV, and the minimum period refers to the distance between two adjacent identical RVs in the RV sequence.
- the minimum period of the RV is 1, when the RV sequence is ⁇ 0, 3, 0, 3 ⁇ , the minimum period of the RV is 2, when When the RV sequence is ⁇ 0, 3, 2, 1 ⁇ , the minimum period of the RV is 4.
- the initial time slot is an effective time slot that is 2*4 effective time slots away from the reference time slot, that is, the ninth effective time slot in a configuration grant period, corresponding to the possible Sex B.
- the M is greater than or equal to 0 and less than or equal to K-1, and M is an integer; or, when the first parameter and the second parameter are the number of valid time slots P in a configuration grant period and the number of valid time slots N in each repetition, the M is greater than or equal to 0 and less than or equal to floor (P/N)-1, M is an integer.
- the repeated RV carried on the initial time slot is 0.
- the reused RV carried on the initial time slot is 0.
- S may start from 0 and T may start from 1. All valid time slots in a configuration authorization period are numbered starting from 0, and all valid time slots mentioned here refer to all P valid time slots or all N*K valid time slots.
- FIG. 13 is a schematic diagram of another possibility of PUSCH transmission provided by the embodiment of the present application.
- the third repeated RV where the initial time slot is located is the third RV in the RV sequence, that is, the RV is 0 .
- FIG. 14 is a schematic diagram of another possibility of PUSCH transmission provided by the embodiment of the present application.
- the first repeated RV is the second RV in the RV sequence, that is, the RV is 3.
- the third repeated RV where the initial time slot is located is the third RV in the RV sequence, that is, the RV is 0.
- the fourth repeated RV where the initial time slot is located is the fourth RV in the RV sequence, that is, the RV is 3.
- the fifth repeated RV where the initial time slot is located is the first RV in the RV sequence, that is, the RV is 0.
- This technical solution can determine the repeated RV where the initial time slot is located according to the position of the initial time slot, thereby simplifying the complexity of PUSCH transmission by the terminal equipment.
- At least one of the repeated RVs used in all repetitions of the PUSCH transmission authorized by the configuration is 0.
- RV0 basically contains all systematic bits, and other RVs except RV0 may only contain some systematic bits. If only other RVs are sent, decoding may not be possible. This technical solution can improve the possibility of decoding in advance.
- the repeated RV carried on the initial time slot is not 0, it can be guaranteed that the RV used to transmit the PUSCH in the same effective time slot is the same in different possibilities, thereby reducing the blindness of the network equipment. Check the complexity.
- the second parameter is the number of valid time slots N in each repetition, and the first parameter is not Integer multiple of the second parameter, and when the reference valid time slot is the first one of the valid time slots in the one configured authorization period, no one of the last P-floor(P/N)*N valid time slots transmitting the PUSCH; or the method further includes:
- Encoding is performed according to the first RV and the number of effective time slots N, where the first RV is the repeated RV carried on the last P-floor(P/N)*N effective time slots;
- the encoding result is transmitted in the last P-floor(P/N)*N effective time slots from front to back.
- the encoding result is transmitted in the last P-floor(P/N)*N effective time slots from the front to the back here, which means that from the last P-floor(P/N)* The first valid time slot among the N valid time slots starts transmission.
- the second parameter may be the number of valid time slots in each repetition
- the first parameter is not an integer multiple of the second parameter
- the reference valid time slot is the first valid time slot in the configuration grant period.
- the repeated RV carried on the time slot is 3, that is, the first RV is 3, then the last effective time slot is also configured to encode the authorized PUSCH, and the encoded result is also transmitted in the last effective time slot, At this time, part of the content may be transmitted, so that resources can be effectively used and resource utilization can be improved.
- the first parameter is the number of effective time slots P in a configuration authorization period
- the second parameter is the number K of repetitions in a configuration authorization period
- the first parameter is not the second Integer multiple of the parameter
- the reference effective time slot is the first of the effective time slots in the one configured grant period
- the PUSCH is not transmitted in the last P-floor(P/K)*K effective time slots , or the method further includes:
- Encoding of the configuration authorization PUSCH is performed according to the first RV and the number of effective time slots N, where the first RV is the repeated RV carried on the last P-floor(P/K)*K effective time slots;
- the encoding result is transmitted in the last P-floor(P/K)*K effective time slots from front to back.
- Fig. 15 is a schematic block diagram of a communication device provided by an embodiment of the present application.
- the communication device 1500 may include a transceiver unit 1510 and a processing unit 1520 .
- the transceiving unit 1510 is configured to receive the first parameter and the second parameter sent by the network device; the processing unit 1520 is configured to determine the initial configuration of the authorized physical uplink shared channel PUSCH transmission according to the first parameter and the second parameter time slot; the processing unit 1520 is further configured to perform the configuration authorization PUSCH transmission according to the initial time slot, wherein the first parameter and the second parameter are any two of the following parameters: a configuration The number of valid time slots P in the authorization period; the number K of repetitions in a configured authorization period; the number of effective time slots N in each repetition, N is an integer greater than or equal to 2, and each repetition carries a transport block Cyclic redundancy check code. .
- the first parameter and the second parameter are carried in radio resource control RRC signaling; or, the first parameter and the second parameter are carried in activation downlink control information DCI; or, the The first parameter is carried in the RRC signaling, and the second parameter is carried in the activated DCI; or, the first parameter is carried in the activated DCI, and the second parameter is carried in the RRC signaling.
- the effective time slots in the one configuration authorization period is an integer multiple of the number of repetitions K;
- the number of effective time slots P in the one configuration grant period is an integer multiple of the number of effective time slots N in each repetition .
- the number of valid time slots in the one configuration grant period It is K*N.
- the initial time slot is an effective time slot with a distance of M*N1 effective time slots from the reference effective time slot within the configuration authorization period
- M is an integer
- the initial time slot is an effective time slot with a distance of M*N1-1 effective time slots from the reference effective time slot within a configuration grant period
- M is an integer greater than or equal to 1
- N1 floor(P/K) or N
- the first parameter and the second parameter are the number of repetitions K in a configuration authorization period and the number of valid time slots N in each repetition, or the first parameter is a configuration authorization period
- the number of effective time slots P in and the first parameter is an integer multiple of the second parameter
- the reference effective time slot is the first one of the effective time slots in the one configuration authorization period, and the initial time slot is the effective time slot with a distance of M*N1 effective time slots from the reference effective time slot in one configuration authorization period. time slot.
- the first parameter is the number of effective time slots P in a configuration authorization period, and the first parameter is not an integer multiple of the second parameter
- the reference effective time slot is the first one of the effective time slots in the one configuration authorization period, and the initial time slot is the effective time slot with a distance of M*N1 effective time slots from the reference effective time slot in one configuration authorization period.
- time slot, M is an integer; or, the reference effective time slot is the last one of the effective time slots in the one configuration authorization period, and the initial time slot is the distance M from the reference effective time slot in one configuration authorization period *N1-1 effective time slots, M is an integer greater than or equal to 1.
- the reference valid time slot is preset; or the reference valid time slot is received by the terminal device from the network device.
- the processing unit 1520 is specifically configured to: determine and configure an initial time slot for authorizing physical uplink shared channel PUSCH transmission according to a redundancy version RV sequence and the first parameter and the second parameter, the redundancy version The RV sequence is received by the terminal device from the network device.
- the M A1*N2, wherein, A1 is an integer greater than or equal to 0, and N2 is the minimum period of the RV.
- one RV is used for one repetition, and the RV in the RV sequence is used cyclically for all repetitions of the configuration authorization PUSCH transmission.
- the repeated RV carried on the initial time slot is 0.
- the M is greater than or equal to 0 and less than or equal to K-1, and M is an integer; or, when the first parameter and the second parameter are the number of valid time slots P in a configuration grant period and the number of valid time slots N in each repetition, the M is greater than or equal to 0 and less than or equal to floor (P/N)-1, M is an integer.
- the processing unit 1520 is specifically configured to: start from the repetition of the initial time slot bearer, perform encoding of the configured authorized PUSCH according to each repeated RV of the configured authorized PUSCH transmission; As a result, the authorized PUSCH transmission is performed.
- the repeated RV carried on the initial time slot is 0.
- the processing unit 1520 is further configured to:
- Encoding the configuration authorization PUSCH is performed according to the first RV and the number of effective time slots N, where the first RV is the repeated RV carried on the last P-floor(P/N)*N effective time slots;
- the encoding result is transmitted in the last P-floor(P/N)*N effective time slots from front to back.
- the processing unit 1520 is also used to:
- Encoding of the configuration authorization PUSCH is performed according to the first RV and the number of effective time slots N, where the first RV is the repeated RV carried on the last P-floor(P/K)*K effective time slots;
- the encoding result is transmitted in the last P-floor(P/K)*K effective time slots from front to back.
- An embodiment of the present application also provides a communication device, including at least one processor, the at least one processor is coupled to at least one memory, and the at least one processor is configured to execute computer programs or instructions stored in the at least one memory, The communication method described in any one of the foregoing embodiments is executed.
- the embodiment of the present application also provides a chip, the chip includes a processor and an interface circuit, the processor and the interface circuit are coupled to each other, the interface circuit is used to communicate with other devices, and the processor The signal is processed such that the communication method as described in any one of the preceding embodiments is performed.
- the embodiment of the present application also provides a computer-readable storage medium, the computer-readable storage medium stores computer instructions, and when the computer instructions are run on the computer, the communication method as described in any one of the preceding embodiments be executed.
- An embodiment of the present application further provides a computer program product, including computer program code, when the computer program code is run on a computer, the communication method described in any one of the foregoing embodiments is executed.
- an embodiment of the present application also provides a device, which may specifically be a chip, a component or a module, and the device may include a connected processor and a memory; wherein the memory is used to store computer-executable instructions, and when the device is running, The processor can execute the computer-executable instructions stored in the memory, so that the chip executes the permission checking method in the above method embodiments.
- the communication device, computer-readable storage medium, computer program product or chip provided in this embodiment is all used to execute the corresponding method provided above, therefore, the beneficial effects it can achieve can refer to the above-mentioned The beneficial effects of the corresponding method will not be repeated here.
- the disclosed systems, devices and methods may be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
- the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
- the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium.
- the technical solution of the present application is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
- the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (read-only memory, ROM), random access memory (random access memory, RAM), magnetic disk or optical disc and other media that can store program codes. .
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Abstract
Description
Claims (23)
- 一种通信方法,其特征在于,包括:终端设备接收网络设备发送的第一参数和第二参数;所述终端设备根据所述第一参数和所述第二参数确定配置授权物理上行共享信道PUSCH传输的初始时隙;所述终端设备根据所述初始时隙,进行所述配置授权PUSCH传输;其中,所述第一参数和所述第二参数为如下参数中的任意两个:一个配置授权周期内的有效时隙数P;一个配置授权周期内的重复的数量K;每个重复的有效时隙数N,N为大于或等于2的整数,所述每个重复中承载一个传输块循环冗余校验码。
- 根据权利要求1所述的方法,其特征在于,所述第一参数和所述第二参数承载在无线资源控制RRC信令中;或者,所述第一参数和所述第二参数承载在激活下行控制信息DCI中;或者,所述第一参数承载在RRC信令中,所述第二参数承载在激活DCI中;或者,所述第一参数承载在激活DCI中,所述第二参数承载在RRC信令中。
- 根据权利要求1或2所述的方法,其特征在于,当所述第一参数为所述一个配置授权周期内的有效时隙数P时,若所述第二参数为所述重复数量K,则所述一个配置授权周期内的有效时隙数P为所述重复数量K的整数倍;若所述第二参数为所述每个重复中的有效时隙数N,则所述一个配置授权周期内的有效时隙数P为所述每个重复中的有效时隙数N的整数倍。
- 根据权利要求1或2所述的方法,其特征在于,当所述第一参数和所述第二参数为所述重复数量K和所述每个重复中的有效时隙数N时,则所述一个配置授权周期内的有效时隙数为K*N。
- 根据权利要求1或2所述的方法,其特征在于,所述初始时隙为一个配置授权周期内与参考有效时隙距离M*N1个有效时隙的有效时隙,其中,M为整数,当所述第一参数或所述第二参数为每个重复的有效时隙数N时,N1=N,当所述第一参数和所述第二参数为一个配置授权周期内的有效时隙数P和一个配置授权周期内的重复的数量K时,N1=floor(P/K)或者N1=ceiling(P/K);或者,所述初始时隙为一个配置授权周期内与参考有效时隙距离M*N1-1个有效时隙的有效时隙,其中,M为大于或等于1的整数,当所述第一参数或所述第二参数为每个重复的有效时隙数N时,N1=N,当所述第一参数和所述第二参数为一个配置授权周期内的有效时隙数P和一个配置授权周期内的重复的数量K时,N1=floor(P/K)或者N1=ceiling(P/K)。
- 根据权利要求5所述的方法,其特征在于,当所述第一参数和所述第二参数为一个配置授权周期内的重复的数量K和每个重复中的有效时隙数N,或者,所述第一参数为一个配置授权周期内的有效时隙数P,且所述第一参数为所述第二参数的整数倍时,所述参考有效时隙为所述一个配置授权周期内的有效时隙中的第一个,所述初始时隙为一个配置授权周期内与参考有效时隙距离M*N1个有效时隙的有效时隙。
- 根据权利要求5所述的方法,其特征在于,当所述第一参数为一个配置授权周期内的有效时隙数P,且所述第一参数不为所述第二参数的整数倍时,所述参考有效时隙为所述一个配置授权周期内的有效时隙中的第一个,所述初始时隙为一个配置授权周期内与参考有效时隙距离M*N1个有效时隙的有效时隙,M为整数;或者,所述参考有效时隙为所述一个配置授权周期内的有效时隙中的最后一个,所述初始时隙为一个配置授权周期内与参考有效时隙距离M*N1-1个有效时隙的有效时隙,M为大于或等于1的整数。
- 根据权利要求7所述的方法,其特征在于,所述参考有效时隙为预设的;或者所述参考有效时隙是所述终端设备从所述网络设备接收的。
- 根据权利要求1所述的方法,其特征在于,所述终端设备根据所述第一参数和所述第二参数确定配置授权PUSCH传输的初始时隙,包括:所述终端设备根据冗余版本RV序列和所述第一参数和所述第二参数确定配置授权物理上行共享信道PUSCH传输的初始时隙,所述冗余版本RV序列是所述终端设备从所述网络设备接收的。
- 根据权利要求5-9中任一项所述的方法,其特征在于,所述M=A1*N2,其中,A1为大于或等于0的整数,N2为所述RV的最小周期。
- 根据权利要求5-10中任一项所述的方法,其特征在于,所述初始时隙上承载的重复的RV为0。
- 根据权利要求5-8中任一项所述的方法,其特征在于,当所述第一参数或所述第二参数为一个配置授权周期内的重复数量K时,所述M大于或等于0,且小于或等于K-1,M为整数;或者,当所述第一参数和所述第二参数为一个配置授权周期内的有效时隙数P和每个重复中的有效时隙数N时,所述M大于或等于0,且小于或等于floor(P/N)-1,M为整数。
- 根据权利要求12所述的方法,其特征在于,所述初始时隙上承载的重复的RV为0。
- 根据权利要求12所述的方法,其特征在于,所述初始时隙上承载的重复的RV为RV序列中的第T个RV,T=floor(S/N)+1,S为初始时隙在一个配置授权周期内的有效时隙中的序号。
- 根据权利要求14所述的方法,在所述初始时隙承载的重复的RV不为0的情况下,所述配置授权PUSCH传输的所有重复中至少存在一个重复使用的RV为0。
- 根据权利要求1-15中任一项所述的方法,其特征在于,一个重复使用一个RV,所述配置授权PUSCH传输的所有重复循环使用所述RV序列中的RV。
- 根据权利要求1-16中任一项所述的方法,其特征在于,所述根据所述初始时隙,进行所述配置授权PUSCH传输,包括:从所述初始时隙承载的重复开始,根据所述配置授权PUSCH传输的每个重复的RV进行所述配置授权PUSCH的编码;根据所述编码的结果进行所述配置授权PUSCH的传输。
- 根据权利要求5-17中任一项所述的方法,其特征在于,当所述第一参数为一个配置授权周期内的有效时隙数P,所述第二参数为所述每个重复中的有效时隙数N,且所述第一参数不为所述第二参数的整数倍,且参考有效时隙为所述一个配置授权周期内的有效时隙中的第一个时,最后P-floor(P/N)*N个有效时隙中不传输所述PUSCH;或者所述方法还包括:根据第一RV和所述有效时隙数N进行所述配置授权PUSCH的编码,所述第一RV为最后P-floor(P/N)*N个有效时隙上承载的重复的RV;将所述编码的结果从前往后在最后P-floor(P/N)*N个有效时隙中传输。
- 根据权利要求5-17中任一项所述的方法,其特征在于,当所述第一参数为一个配置授权周期内的有效时隙数P,第二参数为一个配置授权周期内的重复数量K,且所述第一参数不为所述第二参数的整数倍,且参考有效时隙为所述一个配置授权周期内的有效时隙中的第一个时,最后P-floor(P/K)*K个有效时隙中不传输所述PUSCH,或者所述方法还包括:根据第一RV和所述有效时隙数N进行所述配置授权PUSCH的编码,所述第一RV为最后P-floor(P/K)*K个有效时隙上承载的重复的RV;将所述编码的结果从前往后在最后P-floor(P/K)*K个有效时隙中传输。
- 一种通信装置,其特征在于,包括:用于实现如权利要求1-19中任一项所述方法的模块。
- 一种通信装置,其特征在于,其特征在于,包括至少一个处理器,所述至少一个处理器与至少一个存储器耦合,所述至少一个处理器用于执行所述至少一个存储器中存储的计算机程序或指令,使得如权利要求1-19中任一项所述的通信方法被执行。
- 一种芯片,其特征在于,所述芯片包括处理器和接口电路,所述处理器和所述接口电路之间相互耦合,所述接口电路用于与其他设备进行通信,所述处理器处理所述信号,使得如权利要求1-19中任一项所述的通信方法被执行。
- 一种计算机可读存储介质,其特征在于,所述存储介质中存储有计算机程序或指令,当所述计算机程序或指令被通信装置执行时,使得如权利要求1-19中任一项所述的通信方法被执行。
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HUAWEI, HISILICON: "Discussion on TB processing over multi-slot PUSCH", 3GPP DRAFT; R1-2106496, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. E-meeting; 20210816 - 20210827, 7 August 2021 (2021-08-07), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052037824 * |
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