WO2020113424A1 - Procédé de détermination d'une taille de bloc de transport (tbs) et dispositif - Google Patents

Procédé de détermination d'une taille de bloc de transport (tbs) et dispositif Download PDF

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Publication number
WO2020113424A1
WO2020113424A1 PCT/CN2018/119196 CN2018119196W WO2020113424A1 WO 2020113424 A1 WO2020113424 A1 WO 2020113424A1 CN 2018119196 W CN2018119196 W CN 2018119196W WO 2020113424 A1 WO2020113424 A1 WO 2020113424A1
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WIPO (PCT)
Prior art keywords
quantization coefficient
tbs
terminal device
resource
pusch
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PCT/CN2018/119196
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English (en)
Chinese (zh)
Inventor
吴作敏
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Oppo广东移动通信有限公司
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Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2018/119196 priority Critical patent/WO2020113424A1/fr
Priority to CN201880094087.XA priority patent/CN112205051B/zh
Publication of WO2020113424A1 publication Critical patent/WO2020113424A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • Embodiments of the present application relate to the field of communications, and more specifically, to methods and devices for determining TBS.
  • LBT Listen Before Talk
  • the probability that the communication device obtains the channel usage right of the later time slot is higher than the probability of acquiring the channel usage right of the previous time slot.
  • the channel usage right may not be obtained in the first few symbols of the resource scheduled by the network for transmission of the channel, and the channel usage right is obtained from the following symbol for channel transmission.
  • Embodiments of the present application provide a method and device for determining a transmission block size TBS, which can reasonably determine TBS in an unlicensed frequency band to improve channel transmission efficiency.
  • a method for determining a transmission block size TBS includes: a terminal device acquiring quantization coefficients and first information, the first information including the number of resources available for channel transmission, modulation order, and code rate At least one; the terminal device determines a first TBS based on the quantization coefficient and the first information.
  • a method for determining a transport block size TBS which includes: a network device acquiring a quantization coefficient; the network device determining the first TBS according to the quantization coefficient and first information, wherein the first The information includes at least one of the number of resources available for channel transmission, the modulation order, and the code rate.
  • a terminal device which can execute the method in the first aspect or any optional implementation manner of the first aspect.
  • the terminal device may include a functional module for performing the method in the first aspect or any possible implementation manner of the first aspect.
  • a network device which can execute the method in the second aspect or any optional implementation manner of the second aspect.
  • the network device may include a functional module for performing the method in the second aspect or any possible implementation manner of the second aspect.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect or any possible implementation manner of the first aspect.
  • a network device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to perform the method in the second aspect or any possible implementation manner of the second aspect.
  • a chip for implementing the method in the first aspect or any possible implementation manner of the first aspect.
  • the chip includes a processor for calling and running a computer program from the memory, so that the device installed with the chip executes the method in the first aspect or any possible implementation manner of the first aspect.
  • a chip for implementing the method in the second aspect or any possible implementation manner of the second aspect.
  • the chip includes a processor for calling and running a computer program from the memory, so that the device installed with the chip executes the method in the second aspect or any possible implementation manner of the second aspect.
  • a computer-readable storage medium for storing a computer program that causes a computer to execute the method in the first aspect or any possible implementation manner of the first aspect.
  • a computer-readable storage medium for storing a computer program that causes a computer to execute the method in the second aspect or any possible implementation manner of the second aspect.
  • a computer program product including computer program instructions, which cause the computer to execute the method in the first aspect or any possible implementation manner of the first aspect.
  • a computer program product including computer program instructions, which cause the computer to execute the method in the second aspect or any possible implementation manner of the second aspect.
  • a computer program which when run on a computer, causes the computer to execute the method in the first aspect or any possible implementation manner of the first aspect.
  • a fourteenth aspect there is provided a computer program which, when run on a computer, causes the computer to execute the method in the second aspect or any possible implementation manner of the second aspect.
  • a communication system including network equipment and terminal equipment.
  • the network device is used to: obtain quantization coefficients and first information, the first information includes at least one of the number of resources available for channel transmission, modulation order and code rate; the terminal device according to the The first TBS is determined by quantizing the coefficient and the first information.
  • the terminal device is used to: obtain a quantization coefficient; determine the first TBS based on the quantization coefficient and first information, wherein the first information includes the number of resources available for channel transmission, the modulation order and At least one of the bit rates.
  • FIG. 1 is a schematic diagram of a possible wireless communication system applied in an embodiment of the present application.
  • FIG. 2 is a schematic diagram of resources for obtaining channel usage rights on an unlicensed spectrum.
  • FIG. 3 is a schematic flowchart of a method for determining TBS according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of resources for determining a TBS according to an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a method for determining TBS according to an embodiment of the present application.
  • FIG. 6 is a schematic flowchart of a method for determining TBS according to an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • GSM Global System of Mobile
  • CDMA Code Division Multiple Access
  • WCDMA Broadband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • NR Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • D2D Device to Device
  • M2M machine-to-machine
  • MTC machine type communication
  • V2V vehicle-to-vehicle
  • the communication system in the embodiments of the present application may be applied to scenarios such as carrier aggregation (CA), dual connectivity (DC), and standalone (SA) networking.
  • CA carrier aggregation
  • DC dual connectivity
  • SA standalone networking
  • the wireless communication system 100 may include a network device 110.
  • the network device 110 may be a device that communicates with a terminal device.
  • the network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminal devices located within the coverage area.
  • the network device 100 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or the network-side device in the NR system, or the wireless controller in the Cloud Radio Access Network (CRAN), or the network device can be a relay station, Incoming points, in-vehicle devices, wearable devices, network-side devices in next-generation networks, or network devices in future public land mobile networks (Public Land Mobile Network, PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolutional Node B
  • eNB evolved Node B
  • eNodeB evolved base station
  • the network-side device in the NR system or the wireless controller in the Cloud Radio Access Network (CRAN)
  • the network device can be a relay
  • the wireless communication system 100 further includes at least one terminal device 120 located within the coverage of the network device 110.
  • the terminal device 120 may be mobile or fixed.
  • the terminal device 120 may refer to an access terminal, user equipment (User Equipment, UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication Device, user agent, or user device.
  • User Equipment User Equipment
  • Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (Wireless Local Loop, WLL) stations, personal digital processing (Personal Digital Assistant (PDA), wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in future 5G networks or terminal devices in future evolved PLMNs, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • wireless communication Functional handheld devices computing devices or other processing devices connected to wireless modems
  • in-vehicle devices wearable devices
  • terminal devices in future 5G networks or terminal devices in future evolved PLMNs etc.
  • terminal direct connection Device to Device, D2D communication may also be performed between the terminal devices 120.
  • the network device 110 may provide services for the cell, and the terminal device 120 communicates with the network device 110 through the transmission resources (eg, frequency domain resources, or spectrum resources) used by the cell, and the cell may be the network device 110 (eg, base station)
  • the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell), where the small cell may include, for example, an urban cell (Metro cell), a micro cell (Micro cell), and a pico cell (Pico cell) , Femtocells, etc.
  • These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the wireless communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. The application examples do not limit this.
  • the wireless communication system 100 may further include other network entities such as a network controller, a mobility management entity, etc., which are not limited in the embodiments of the present application.
  • the communication device can perform continuous transmission of multiple time slots after successful channel detection.
  • the probability that the communication device obtains the channel usage right of the latter time slot is higher than the probability of acquiring the channel usage right of the previous time slot.
  • the resources scheduled by the network for the transmission channel include time slot n, time slot n+1, time slot n+2, and time slot n+3.
  • the channel usage right may not be obtained on the first eight symbols in time slot n, and the channel usage right is obtained only from the ninth symbol.
  • one time slot includes 7 small blocks, and each small block includes 2 symbols.
  • the network equipment plans to transmit a channel on time slot n. If the TBS of the channel transmitted on time slot n is determined according to the existing method, since all time domain resources of time slot n are planned to be used to transmit the channel, the actual During transmission, the first 8 symbols of time slot n cannot be used to transmit the channel due to the failure of channel detection. Therefore, a larger TBS transport block (Transport Block, TB) may appear in time slot n using smaller resources. The case of transmission (that is, the TB does not match its corresponding transmission resource), thereby reducing the probability of correct demodulation of the TB transmitted on time slot n. For the channels transmitted on time slot n+1, time slot n+2 and time slot n+3, since the later the position, the higher the probability of obtaining the right to use the channel, so its TBS does not match its corresponding transmission resource The probability is lower.
  • TBS transport Block Transport Block
  • a channel is planned to be transmitted through multiple sub-bands in the frequency domain, and each sub-band performs channel detection independently, then it may also appear that the plan uses multiple sub-band resources to transmit the channel, but in actual transmission only The use of resources on some subbands of the multiple subbands to transmit the channel (for example, another part of the multiple subbands cannot be used to transmit the channel due to the failure of channel detection). The case where the resource transmitting the channel does not match the TB transmitted on the channel.
  • a quantization coefficient is also introduced, and the quantization coefficient is considered when determining the TBS, and adjusted by the quantization coefficient TBS used for rate matching of channel transmission under different conditions to obtain a more reasonable TBS, thereby improving the efficiency of channel transmission.
  • FIG. 3 is a schematic flowchart of a method 300 for determining a TBS according to an embodiment of the present application.
  • the method described in FIG. 3 may be executed by a terminal device or a network device.
  • the terminal device may be, for example, the terminal device 120 shown in FIG. 1
  • the network device may be, for example, the network device 110 shown in FIG. 1.
  • the method 300 for determining a TBS may include some or all of the following steps. among them:
  • the first information includes at least one of the number of resources available for channel transmission, modulation order, and code rate.
  • the first TBS is determined according to the quantization coefficient and the first information.
  • terminal equipment and network equipment can determine the modulation order and code rate according to the modulation and coding strategy (Modulation and Coding Scheme, MCS).
  • MCS Modulation and Coding Scheme
  • the modulation order and code rate can be obtained through a table lookup according to the MCS index, and according to the available channels Information such as the number of transmitted resources, modulation order, and code rate determines the TBS used for channel transmission.
  • MCS Modulation and Coding Scheme
  • the modulation order and code rate can be obtained through a table lookup according to the MCS index, and according to the available channels Information such as the number of transmitted resources, modulation order, and code rate determines the TBS used for channel transmission.
  • some time and/or frequency domain resources may not be used for channel transmission due to channel access failure and other reasons. It is normal for channel transmission to calculate TBS for rate matching, which is unreasonable.
  • the terminal device and the network device need to acquire not only the first information but also a quantization coefficient, and determine the first TBS based on the first information and the quantization coefficient at the same time.
  • the corresponding quantization coefficients may also be different, and different quantization coefficients are used to process the TBS for transmission under different conditions.
  • the channel performs rate matching to obtain a more reasonable TBS, thereby improving the efficiency of channel transmission.
  • the number of resources includes at least one of the following information: the number of physical resource blocks (Physical Resource Block, PRB), the number of symbols, the resource overhead in the PRB, and the number of available resource units (Resource Element, RE) , And the number of available REs in each PRB.
  • PRB Physical Resource Block
  • RE Resource Element
  • the number of symbols includes, for example, the number of time-domain symbols available for transmission on the current data channel.
  • the resource overhead in the PRB includes, for example, the number of REs or the number of symbols used to transmit a control channel or demodulation reference signal (DMRS) related to the data channel.
  • DMRS demodulation reference signal
  • the resource overhead in the PRB is preset by the standard or indicated by the network device to the terminal device through at least one of radio resource control RRC signaling, physical layer signaling, and media access control MAC signaling.
  • the information is used to determine the number of REs used to transmit the current data channel, and the number of REs is used to determine the TBS corresponding to the data channel.
  • determining the first TBS based on the quantization coefficient and the first information includes: the terminal device determining the first TBS based on the quantization coefficient and the first information, including: according to the code rate 2.
  • the modulation order and the number of resources are used to calculate a second TBS. According to the quantization coefficient, the second TBS is quantized to obtain the first TBS.
  • determining the first TBS based on the quantization coefficient and the first information includes: quantizing the code rate according to the quantization coefficient; according to the quantized code rate and the modulation The order and the number of resources determine the first TBS.
  • determining the first TBS according to the quantization coefficient and the first information includes: quantizing the resource amount according to the quantization coefficient; the terminal device according to the quantized resource amount, The code rate and the modulation order determine the first TBS.
  • the terminal equipment and the network equipment when determining the TBS, not only use information such as the number of resources, modulation order, and code rate, but also consider the quantization coefficient, which is used to adjust the Channel transmission carries out rate matching TBS to obtain more reasonable TBS, thereby improving the efficiency of channel transmission.
  • the channel corresponding to the first TBS indicates that the size of the TB transmitted on the channel is the first TBS, or that the data transmitted on the channel is encoded, modulated, and modulated according to the TB determined by the first TBS. Data obtained after rate matching.
  • the channel corresponding to the first TBS may include a physical downlink channel or a physical uplink channel such as a physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) or a physical uplink shared channel (Physical Uplink Shared Channel, PUSCH), and so on.
  • the quantization coefficient For downlink transmission scheduled by the network device, if the first TBS corresponds to the first PDSCH and the first PDSCH is transmitted through the first time unit, the quantization coefficient satisfies:
  • the quantization coefficient is less than 1, and M is a positive integer;
  • the quantization coefficient is equal to 1.
  • the time unit here may be a symbol, a time slot or a subframe, or may be a fixed period of time.
  • the network device scheduling the first PDSCH to transmit through the first time unit includes the network device scheduling the first PDSCH to transmit through all time resources on the first time unit, or the network device scheduling the first PDSCH through part of the time resources on the first time unit transmission.
  • the first time unit includes 2 time slots (time slot 0 and time slot 1).
  • the network device can schedule the transmission of the first PDSCH through all time resources on time slot 0 and time slot 1, and can also schedule the first PDSCH through the time resources on the second half of time slot 0 and all time resources on time slot 1 Transmission, this application is not limited.
  • a downlink transmission opportunity includes multiple consecutive downlink time units that the network device can use after the channel detection is successful.
  • the probability that the network device can transmit the latter time unit in the multiple downlink time units is higher than the network device can perform the previous time in the multiple downlink time units The probability of unit transmission.
  • some resources can be transmitted.
  • the network device needs to consider the data processing time when preparing the data to be transmitted on a certain time unit, or the first TBS determined by the network device within a certain time unit is used for the time unit after the time unit On the channel transmission. For example, when the time unit is a time slot, the first TBS determined by the network device in time slot n is used for channel transmission on time slot n+2.
  • the value of M is determined according to the delay between the preparation of the data by the network device and the actual transmission of the data. For example, if the delay between the preparation of the data by the network device and the actual transmission of the data is 2 time units, then the value of M is 2 time units.
  • the value of M is preset by the standard or indicated by the network device to the terminal device through at least one of RRC signaling, physical layer signaling, and MAC signaling.
  • the quantization coefficient less than 1 is preset by the standard or the network device uses RRC signaling, At least one of physical layer signaling and MAC signaling is indicated to the terminal device.
  • the quantization coefficient standard is preset to 0.5.
  • the quantization coefficient is based on the first time unit or the first PDSCH in the first The number of candidate starting points included in the time resource occupied by the time unit or the position of the candidate starting point is determined. For example, the time resource occupied by the first time unit or the first PDSCH on the first time unit includes only one candidate start point, and the quantization coefficient is 1.
  • the first PDSCH is transmitted through all 14 symbols on time slot n, wherein the 0th symbol and the 7th symbol on the 14 symbols can be used to start transmission of the first PDSCH, and the quantization coefficient According to the two candidate starting points and the positions of the two candidate starting points are equally divided into the 14 symbols, the quantization coefficient is determined to be 0.5.
  • the preset quantization coefficient set is ⁇ 0.5,0.75 ⁇ , if the number of candidate starting points corresponding to the first PDSCH is two, and the quantization coefficient is 0.75, if the number of candidate starting points corresponding to the first PDSCH is four , The quantization coefficient is 0.5.
  • M 1 time slot or 2 time slots. This is considering that usually network equipment has a delay of 2 slots from preparing data to actually transmitting the data.
  • the PDSCH 2 to be transmitted in the time slot n+2 is prepared, and in the time slot n+1, the PDSCH 3 to be transmitted in the time slot n+3 is prepared.
  • the channel resources scheduled by the network device include time slot n to time slot n+3, and each time slot can be used to transmit one PDSCH.
  • time slot n is used to transmit PDSCH 0.
  • Slot n+1 is used to transmit PDSCH1
  • slot n+2 is used to transmit PDSCH2, and slot n+3 is used to transmit PDSCH3.
  • the network device has a delay of 2 time slots from the preparation of the data to the actual transmission of the data, that is, PDSCH 0 is prepared by the network device in time slot n-2, PDSCH 1 is prepared in time slot n-1, and PDSCH 2 is in Time slot n is prepared, PDSCH 3 is prepared in time slot n+1.
  • each time unit includes a time slot
  • the first M time units of the transmission opportunity are the first 2 time slots of the transmission opportunity, that is, the first 2 time slots after obtaining the channel usage right.
  • the transmission opportunity The first time slot of the first two time slots includes the case where channel use rights are obtained on some symbols in the time slot, or the case where all symbols in the time slot obtain channel use rights.
  • the network device When the network device prepares the data of the PDSCH 2 to be sent in the first time unit, that is, time slot n+2, within the time slot n, as shown in FIG. 3, the network device obtains the right to use the channel in time slot n, due to time Slot n+2 does not include the first 2 time slots of the first downlink transmission opportunity (time slot n and time slot n+1), then the quantization coefficient corresponding to PDSCH 2 sent on time slot n+2 may be equal to 1.
  • the network device When the network device prepares the data of PDSCH 3 to be transmitted on time slot n+3 within the time slot n+1, the network device has obtained the channel usage right in time slot n, because time slot n+3 does not include the first The first 2 time slots of the downlink transmission opportunity (time slot n and time slot n+1), then the quantization coefficient corresponding to PDSCH 3 sent on time slot n+3 can also be equal to 1.
  • the network device prepares the PDSCH to be transmitted on the time slot n+2 in the time slot n
  • the data of time slot n+2 must belong to the first two time slots of the transmission opportunity, then the quantization coefficient corresponding to PDSCH 2 sent on time slot n+2 should be less than 1.
  • the network device prepares the data to be transmitted in the time slot n+4 within the time slot n+2, then, if the network device obtains the channel usage right in the time slot n+2, then the time slot n+4
  • the quantization coefficient corresponding to the transmitted PDSCH 4 can be equal to 1. If the network device does not obtain the channel usage right in the time slot n+2, the quantization coefficient corresponding to the PDSCH 4 transmitted in the time slot n+4 is less than 1.
  • the method further includes 510 to 540.
  • the network device sends second indication information to the terminal device.
  • the second indication information is used to indicate the second resource.
  • the second resource is a resource actually used to transmit the first PDSCH
  • the first resource is a resource scheduled by a network device to transmit the first PDSCH.
  • the number of resources is determined according to the first resource, or the number of resources used to determine the first TBS is the number of resources available for the first PDSCH transmission in the first resource.
  • the size of the second resource is less than or equal to the size of the first resource.
  • the terminal device receives the second indication information sent by the network device.
  • the network device sends the first PDSCH according to the first TBS on the second resource.
  • the terminal device receives the first PDSCH according to the first TBS on the second resource.
  • the size of the second resource that actually transmits the first PDSCH is less than or equal to the size of the first resource.
  • the quantization coefficient satisfies:
  • the quantization coefficient is less than 1, and N is a positive integer;
  • the quantization coefficient is equal to 1.
  • the value of N is preset by the standard or determined by the terminal device according to at least one of RRC signaling, physical layer signaling, and MAC signaling sent by the network device.
  • the quantization coefficient may be based on the number of candidate starting points included in the first PUSCH transmission mode or the time resource occupied by the first PUSCH on the first time unit Number to determine.
  • the transmission mode of the first PUSCH includes that the actual transmission resource is not allowed to be smaller than the transmission resource scheduled by the network device, and the quantization coefficient is 1.
  • the transmission mode of the first PUSCH includes a case where the actual transmission resource is less than the transmission resource scheduled by the network device, and the quantization coefficient is less than 1.
  • the time resource occupied by the first PUSCH on the first time unit includes only one candidate starting point, and the quantization coefficient is 1.
  • the time resource occupied by the first PUSCH on the first time unit includes more than one candidate start point, and the quantization coefficient is less than 1.
  • the first PUSCH may be a PUSCH dynamically scheduled by the network device, or may be a PUSCH configured semi-statically by the network device, and the terminal device selects a resource for transmission according to requirements, which is not limited in this application.
  • the multiple consecutive PUSCHs are PUSCHs scheduled by the network device through one uplink grant information.
  • the method further includes 610 and 620.
  • the terminal device sends the first PUSCH to the network device according to the first TBS on the fourth resource.
  • the fourth resource is a resource actually used to transmit the first PUSCH
  • the third resource is a resource scheduled by a network device or semi-statically configured to transmit the first PUSCH.
  • the number of resources is determined according to the third resource, or the number of resources used to determine the first TBS is the number of resources available for the first PUSCH transmission in the third resource.
  • the size of the fourth resource is less than or equal to the size of the third resource.
  • the network device receives the first PUSCH sent by the terminal device according to the first TBS on the fourth resource.
  • the method when the method is performed by a network device, the method further includes: the network device sends first indication information to the terminal device.
  • the first indication information is used to indicate the quantization coefficient.
  • acquiring the quantization coefficient includes the terminal device receiving the first indication information sent by the network device.
  • the first indication information is used by the terminal device to determine the quantization coefficient.
  • the first indication information may be physical layer signaling, RRC signaling, MAC signaling, etc., for example.
  • the first indication information may also be used to indicate the first information, for example, indicating the number of resources available for channel transmission, MCS, modulation order, code rate, etc.
  • the first indication information may be, for example, a slot structure indication (Slot Frame Indication, SFI), uplink authorization information (UL Grant) or downlink authorization information (DL Grant).
  • SFI Slot Frame Indication
  • UL Grant uplink authorization information
  • DL Grant downlink authorization information
  • the uplink grant information may be used to schedule the first PUSCH
  • the downlink grant information may be used to schedule the first PDSCH.
  • the quantization coefficient may be a quantization coefficient in the quantization coefficient set.
  • the network device or the terminal device may determine the quantization coefficient in the quantization coefficient set.
  • the network device may determine the quantization coefficient in the quantization coefficient set, and indicate the quantization coefficient to the terminal device through the first indication information.
  • the network device may send third indication information to the terminal device, where the third indication information is used to indicate the quantization coefficient set.
  • the terminal device receives the third indication information sent by the network device, and determines the quantization coefficient set according to the third indication information.
  • the third indication information may be, for example, physical layer signaling, radio resource control (Radio Resource Control, RRC) signaling, media access medium (Media Access Medium, MAC) signaling, and so on.
  • RRC Radio Resource Control
  • MAC Media Access Medium
  • the network device configures two sets of quantization coefficients with different ranges. For example, one set of quantization coefficients is greater than 0 and less than or equal to 1, and the other set of quantization coefficients is greater than 0 and less than or equal to 2.
  • the network device According to the third instruction information, instruct the terminal device which of the two sets of quantization coefficients to use.
  • the set of quantization coefficients may be pre-agreed by the network device and the terminal device and pre-stored in the device, for example, the set of quantization coefficients is agreed in the protocol.
  • the terminal device may select the quantization coefficient from the set of quantization coefficients according to the channel quality.
  • the quantization coefficients in the quantization coefficient set are greater than 0 and less than or equal to 1.
  • the terminal device selects a smaller quantization coefficient, and when the terminal device detects that the channel quality is poor, it selects a larger quantization coefficient.
  • the terminal device may indicate the quantization coefficient to the network device.
  • the method further includes: the terminal device sends uplink control information (Uplink Control Information, UCI) to the network device, and the UCI includes indication information for determining the quantization coefficient.
  • UCI Uplink Control Information
  • acquiring the quantization coefficient includes: the network device receives UCI, and the UCI includes indication information for determining the quantization coefficient.
  • the terminal device notifies the quantization coefficient selected by itself to the network device through UCI, so that the network device determines the quantization coefficient according to the received UCI.
  • the UCI is carried in the first PUSCH corresponding to the first TBS.
  • the UCI information is sent along the first PUSCH, and the data in the first PUSCH uses the first TBS for rate matching.
  • the terminal device obtains a set of quantization coefficients, and the set of quantization coefficients includes 4 quantization coefficients as ⁇ quantization coefficient 1, quantization coefficient 2, quantization coefficient 3, and quantization coefficient 4 ⁇ , and the indication information corresponding to the four quantization coefficients includes 2 bits , Respectively 00, 01, 10, 11.
  • the network device configures the uplink resources for the terminal device semi-statically, so that the terminal device selects a suitable resource from the uplink resource for PUSCH transmission according to requirements.
  • the terminal device may determine a quantization coefficient such as quantization coefficient 3 according to, for example, channel quality or the position of the first time unit, and determine according to the quantization coefficient 3 The first TBS corresponding to the first PUSCH.
  • the terminal device sends the first PUSCH and UCI on the first time unit, where the UCI includes indication information for determining the quantization coefficient, that is, BIT indicator 10
  • the network device first receives UCI on the first time unit, and determines from the quantization coefficient indication information bit 10 included in the UCI from the quantization coefficient set that the quantization coefficient used by the terminal device is quantization coefficient 3, thereby determining the first TBS according to the quantization coefficient 3 And demodulate the first PUSCH according to the first TBS.
  • the network device can semi-statically configure the resource and the terminal device can perform the uplink transmission spontaneously, which can be more matched with the channel resource. TBS, thereby improving the efficiency of channel transmission.
  • the first TBS can also be adjusted in other ways.
  • the terminal device determines the second information according to, for example, channel quality and/or the position of the first time unit, the second information includes at least one of a first modulation order and a first code rate, and the terminal device determines the second information
  • the first TBS corresponding to the first PUSCH is determined, and the first PUSCH and UCI are sent on the first time unit, where the UCI includes second information for determining the first TBS.
  • the second information corresponding to different channel qualities and/or positions of the first time unit is different.
  • the method further includes: according to the quantization coefficient and the mapping relationship between the demodulation reference signal DMRS sequence and the quantization coefficient, the terminal device determines a first DMRS sequence corresponding to the quantization coefficient; The terminal device sends the first DMRS sequence to the network device.
  • obtaining the quantization coefficient includes: the network device receives the first DMRS sequence; the network device determines the quantization coefficient according to the first DMRS sequence and the mapping relationship between the DMRS sequence and the quantization coefficient Is the quantization coefficient corresponding to the first DMRS sequence.
  • the terminal device indicates the quantization coefficient to the network device through DMRS.
  • the mapping relationship between the DMRS sequence and the quantization coefficient may be configured and sent by the network device to the terminal device, or may be a protocol agreed in advance between the terminal device and the network device, for example.
  • the first DMRS sequence is used to demodulate the first PUSCH corresponding to the first TBS.
  • the first PUSCH is demodulated using the first DMRS, and the data in the first PUSCH is rate-matched using the first TBS.
  • the terminal device obtains a set of quantization coefficients, and the set of quantization coefficients includes 4 quantization coefficients as ⁇ quantization coefficient 1, quantization coefficient 2, quantization coefficient 3, and quantization coefficient 4 ⁇ , and the DMRS sequences corresponding to the four quantization coefficients are sequences 1. Sequence 2, Sequence 3, Sequence 4.
  • the network device configures the uplink resources for the terminal device semi-statically, so that the terminal device selects a suitable resource from the uplink resource for PUSCH transmission according to requirements.
  • the terminal device may determine a quantization coefficient such as quantization coefficient 3 according to, for example, channel quality or the position of the first time unit, and determine according to the quantization coefficient 3
  • the first TBS corresponding to the first PUSCH. Since the quantization coefficient 3 is determined by the terminal device itself and is not known by the network device, the terminal device sends the first PUSCH and DMRS sequence 3 on the first time unit, where the sequence 3 is used to demodulate the first PUSCH.
  • the network device first determines which DMRS sequence is sent by the terminal device in the first time unit.
  • the relevant detection is performed, and the received After the sequence is sequence 3, the quantization coefficient used by the terminal device is determined as the quantization coefficient 3 from the quantization coefficient set, so that the first TBS is determined according to the quantization coefficient 3, and the first PUSCH is demodulated according to the first TBS.
  • the first TBS can also be adjusted in other ways, for example, by presetting the mapping relationship between the DMRS sequence and the modulation order or the mapping relationship between the DMRS sequence and the code rate, the terminal device determines the modulation order or After the code rate, the DMRS sequence corresponding to the modulation order or code rate is selected to indicate the modulation order or code rate information to the network device, so that the network device correctly determines the first TBS.
  • the second information corresponding to different channel qualities and/or positions of the first time unit is different.
  • the terminal device 700 includes a processing unit 710. Among them, the processing unit 710 is used for:
  • the first information includes at least one of the number of resources available for channel transmission, the modulation order, and the code rate;
  • the first TBS is determined.
  • a quantization coefficient is also introduced, and the quantization coefficient is considered when determining the TBS.
  • the rate matching TBS is used to obtain a more reasonable TBS, thereby improving the efficiency of channel transmission.
  • the terminal device further includes a transceiver unit 720, and the processing unit 710 is specifically configured to control the transceiver unit 720 to receive first indication information, and the first indication information is used to determine the quantization coefficient.
  • the first indication information is also used to determine the first information.
  • the first indication information includes at least one of a time slot structure indication SFI, uplink authorization information, and downlink authorization information.
  • the first TBS corresponds to a first PDSCH
  • the first PDSCH is transmitted through a first time unit.
  • the quantization coefficient is less than 1, and M is a positive integer; and/or, if the first One time unit does not include the at least one time unit among the M time units in the first downlink transmission opportunity, and the quantization coefficient is equal to 1.
  • the first TBS corresponds to the first PDSCH
  • the terminal device further includes a transceiving unit 720
  • the transceiving unit 720 is configured to: receive second indication information, and the second indication information is used to determine the second Resources, the second resource is actually used to transmit the first PDSCH, and the size of the second resource is less than or equal to the size of the first resource scheduled by the network device for transmitting the first PDSCH , The number of resources is determined according to the first resource; on the second resource, the first PDSCH is received according to the first TBS.
  • the first TBS corresponds to a first PUSCH
  • the first PUSCH is a PUSCH among multiple consecutive PUSCHs.
  • the quantization coefficient is less than 1, and N is a positive integer; and/or, if the first PUSCH is the For PUSCHs after the N PUSCHs in multiple consecutive PUSCHs, the quantization coefficient is equal to 1.
  • the first TBS corresponds to a first PUSCH
  • the terminal device further includes a transceiving unit 720
  • the transceiving unit 720 is configured to: on a fourth resource, send the first TBS according to the first TBS PUSCH, wherein the fourth resource is a resource that is actually used to transmit the first PUSCH, and the size of the fourth resource is less than or equal to that scheduled by the network device or semi-statically configured to transmit the first PUSCH
  • the size of the third resource of the PUSCH, and the number of resources is determined according to the third resource.
  • the processing unit 710 is specifically configured to: obtain a set of quantized coefficients; determine the quantized coefficients in the set of quantized coefficients.
  • the processing unit 710 is specifically configured to: control the transceiving unit 720 to receive third indication information, where the third indication information is used to determine the quantization coefficient set; or, acquire all pre-stored in the terminal device The quantization coefficient set is described.
  • the processing unit 710 is specifically configured to: select the quantization coefficient in the quantization coefficient set according to channel quality.
  • the terminal device further includes a transceiver unit 720, which is configured to: send uplink control information UCI, and the UCI includes indication information used to determine the quantization coefficient.
  • a transceiver unit 720 which is configured to: send uplink control information UCI, and the UCI includes indication information used to determine the quantization coefficient.
  • the UCI is carried in the first PUSCH corresponding to the first TBS.
  • the terminal device further includes a transceiving unit 720, and the processing unit 710 is further configured to determine the quantization according to the quantization coefficient and the mapping relationship between the demodulation reference signal DMRS sequence and the quantization coefficient The first DMRS sequence corresponding to the coefficient; the transceiver unit 720 is configured to: send the first DMRS sequence.
  • the first DMRS sequence is used to demodulate the first PUSCH corresponding to the first TBS.
  • the number of resources includes at least one of the following: the number of physical resource blocks PRB, the number of symbols, the resource overhead in the PRB, the number of available resource unit REs, and the number of available REs in each PRB.
  • the processing unit 710 is specifically configured to: quantize the code rate according to the quantization coefficient; determine the code rate according to the quantized code rate, the modulation order, and the number of resources The first TBS.
  • the processing unit 710 is specifically configured to: quantize the number of resources according to the quantization coefficient; determine the number of resources according to the quantized number of resources, the code rate, and the modulation order The first TBS.
  • the processing unit 710 is specifically configured to: calculate a second TBS according to the code rate, the modulation order, and the number of resources; quantize the second TBS according to the quantization coefficient, Obtain the first TBS.
  • terminal device 700 may perform the corresponding operation performed by the terminal device in the above method 300, and for the sake of brevity, details are not described herein again.
  • FIG. 8 is a schematic block diagram of a network device 800 according to an embodiment of the present application.
  • the network device 800 includes a processing unit 810.
  • the processing unit 810 is used for:
  • the first TBS is determined based on the quantization coefficient and first information, where the first information includes at least one of the number of resources available for channel transmission, the modulation order, and the code rate.
  • a quantization coefficient is also introduced, and the quantization coefficient is considered when determining the TBS.
  • the rate matching TBS is used to obtain a more reasonable TBS, thereby improving the efficiency of channel transmission.
  • the network device further includes a transceiver unit 820, and the transceiver unit 820 is configured to send first indication information, and the first indication information is used by the terminal device to determine the quantization coefficient.
  • the first indication information is also used for the terminal device to determine the first information.
  • the first indication information includes at least one of a time slot structure indication SFI, uplink authorization information, and downlink authorization information.
  • the first TBS corresponds to a first PDSCH
  • the first PDSCH is transmitted through a first time unit.
  • the quantization coefficient is less than 1, and M is a positive integer; and/or, if the first One time unit does not include the at least one time unit among the M time units in the first downlink transmission opportunity, and the quantization coefficient is equal to 1.
  • the first TBS corresponds to the first PDSCH
  • the network device further includes a transceiver unit 820
  • the transceiver unit 820 is configured to: send second indication information, and the second indication information is used to determine the second Resources, the second resource is actually used to transmit the first PDSCH, and the size of the second resource is less than or equal to the size of the first resource scheduled by the network device for transmitting the first PDSCH , The number of resources is determined according to the first resource; on the second resource, the first PDSCH is sent according to the first TBS.
  • the first TBS corresponds to a first PUSCH
  • the first PUSCH is a PUSCH among multiple consecutive PUSCHs.
  • the quantization coefficient is less than 1, and N is a positive integer; and/or, if the first PUSCH is the For PUSCHs after the N PUSCHs in multiple consecutive PUSCHs, the quantization coefficient is equal to 1.
  • the first TBS corresponds to a first PUSCH
  • the network device further includes a transceiver unit 820
  • the transceiver unit 820 is configured to: on a fourth resource, receive the first TBS according to the first TBS PUSCH, wherein the fourth resource is a resource that is actually used to transmit the first PUSCH, and the size of the fourth resource is less than or equal to that scheduled by the network device or semi-statically configured to transmit the first PUSCH
  • the size of the third resource of the PUSCH, and the number of resources is determined according to the third resource.
  • processing unit 810 is further configured to: determine the quantization coefficient in the quantization coefficient set.
  • the network device further includes a transceiver unit 820, and the transceiver unit 820 is configured to send third indication information, and the third indication information is used to determine the quantization coefficient set.
  • the network device further includes a transceiver unit 820 configured to receive uplink control information UCI, and the UCI includes indication information used to determine the quantization coefficient.
  • a transceiver unit 820 configured to receive uplink control information UCI, and the UCI includes indication information used to determine the quantization coefficient.
  • the UCI is carried in the first PUSCH corresponding to the first TBS.
  • the processing unit 810 is configured to: control the transceiver unit 820 to receive the first demodulation reference signal DMRS sequence; and determine the quantization according to the first DMRS sequence and the mapping relationship between the DMRS sequence and the quantization coefficient The coefficient is the quantization coefficient corresponding to the first DMRS sequence.
  • the first DMRS sequence is used to demodulate the first PUSCH corresponding to the first TBS.
  • the number of resources includes at least one of the following: the number of physical resource blocks PRB, the number of symbols, the resource overhead in the PRB, the number of available resource unit REs, and the number of available REs in each PRB.
  • the processing unit 810 is specifically configured to: quantize the code rate according to the quantization coefficient; determine the code rate according to the quantized code rate, the modulation order, and the number of resources The first TBS.
  • the processing unit 810 is specifically configured to: quantize the number of resources according to the quantization coefficient; determine the number of resources according to the quantized number of resources, the code rate, and the modulation order The first TBS.
  • the processing unit 810 is specifically configured to: calculate a second TBS according to the code rate, the modulation order, and the number of resources; quantize the second TBS according to the quantization coefficient, Obtain the first TBS.
  • the network device 800 may perform the corresponding operations performed by the network device in the above method 300, and for the sake of brevity, details are not described herein again.
  • FIG. 9 is a schematic structural diagram of a communication device 900 provided by an embodiment of the present application.
  • the communication device 900 shown in FIG. 9 includes a processor 910, and the processor 910 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 900 may further include a memory 920.
  • the processor 910 can call and run a computer program from the memory 920 to implement the method in the embodiments of the present application.
  • the memory 920 may be a separate device independent of the processor 910, or may be integrated in the processor 910.
  • the communication device 900 may further include a transceiver 930, and the processor 910 may control the transceiver 930 to communicate with other devices, specifically, may send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 930 may include a transmitter and a receiver.
  • the transceiver 930 may further include antennas, and the number of antennas may be one or more.
  • the communication device 900 may specifically be a terminal device according to an embodiment of the present application, and the communication device 900 may implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application. .
  • the communication device 900 may specifically be a network device according to an embodiment of the present application, and the communication device 900 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. .
  • FIG. 10 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 1000 shown in FIG. 10 includes a processor 1010, and the processor 1010 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the chip 1000 may further include a memory 1020.
  • the processor 1010 can call and run a computer program from the memory 1020 to implement the method in the embodiments of the present application.
  • the memory 1020 may be a separate device independent of the processor 1010, or may be integrated in the processor 1010.
  • the chip 1000 may further include an input interface 1030.
  • the processor 1010 can control the input interface 1030 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip 1000 may further include an output interface 1040.
  • the processor 1010 can control the output interface 1040 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
  • the chip can be applied to the terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • chips mentioned in the embodiments of the present application may also be referred to as system-on-chips, system chips, chip systems, or system-on-chip chips.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has signal processing capabilities.
  • each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an existing programmable gate array (Field Programmable Gate Array, FPGA), or other available Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware decoding processor, or may be executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, and registers.
  • the storage medium is located in the memory.
  • the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically Erasable programmable read only memory (Electrically, EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiments of the present application may also be static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous DRAM (SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (Synch Link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memories in the embodiments of the present application are intended to include but are not limited to these and any other suitable types of memories.
  • FIG. 11 is a schematic block diagram of a communication system 1100 according to an embodiment of the present application. As shown in FIG. 11, the communication system 1100 includes a network device 1110 and a terminal device 1120.
  • the network device 1110 is used to: obtain a quantization coefficient; determine the first TBS according to the quantization coefficient and the first information.
  • the terminal device 1120 is used to: obtain a quantization coefficient; determine the first TBS according to the quantization coefficient and the first information.
  • the first information includes at least one of the number of resources available for channel transmission, the modulation order and the code rate.
  • the network device 1110 may be used to implement the corresponding functions implemented by the network device in the above method 300, and the composition of the network device 1110 may be as shown in the network device 800 in FIG. Repeat again.
  • the terminal device 1120 may be used to implement the corresponding functions implemented by the terminal device in the above method 300, and the composition of the terminal device 1120 may be as shown in the terminal device 700 in FIG. Repeat again.
  • Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application. No longer.
  • the computer-readable storage medium may be applied to the terminal device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the terminal device in each method of the embodiments of the present application. No longer.
  • An embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the terminal device in each method of the embodiment of the present application. Repeat again.
  • An embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiments of the present application.
  • the computer program runs on the computer, the computer is allowed to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. , Will not repeat them here.
  • the computer program can be applied to the terminal device in the embodiments of the present application.
  • the computer program runs on the computer, the computer is allowed to execute the corresponding process implemented by the terminal device in each method of the embodiments of the present application. , Will not repeat them here.
  • B corresponding to (corresponding to) A means that B is associated with A, and B can be determined according to A.
  • determining B based on A does not mean determining B based on A alone, and B may also be determined based on A and/or other information.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a division of logical functions.
  • there may be another division manner for example, multiple units or components may be combined or may Integration 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 may be distributed on multiple network units. Some or all of the units may 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, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional 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 essentially or part of the contribution to the existing technology or 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 enable a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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Abstract

La présente invention porte sur un procédé qui permet de déterminer une taille de bloc de transport (TBS) et sur un dispositif. Une TBS peut être déterminée de manière raisonnable sur une bande sans licence pour recevoir correctement des canaux sur différentes ressources. Le procédé comprend les étapes suivantes : un dispositif terminal obtient un coefficient de quantification et des premières informations, les premières informations comprenant la quantité de ressources disponibles pour une transmission de canal et/ou un ordre de modulation et/ou un débit de code; le dispositif terminal détermine une première TBS en fonction du coefficient de quantification et des premières informations.
PCT/CN2018/119196 2018-12-04 2018-12-04 Procédé de détermination d'une taille de bloc de transport (tbs) et dispositif WO2020113424A1 (fr)

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