WO2018126414A1 - 传输数据的方法和通信设备 - Google Patents

传输数据的方法和通信设备 Download PDF

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Publication number
WO2018126414A1
WO2018126414A1 PCT/CN2017/070326 CN2017070326W WO2018126414A1 WO 2018126414 A1 WO2018126414 A1 WO 2018126414A1 CN 2017070326 W CN2017070326 W CN 2017070326W WO 2018126414 A1 WO2018126414 A1 WO 2018126414A1
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Prior art keywords
target
prb
prbs
resource
determining
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Application number
PCT/CN2017/070326
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English (en)
French (fr)
Inventor
唐海
许华
Original Assignee
广东欧珀移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201911328739.4A priority Critical patent/CN111092693B/zh
Priority to PCT/CN2017/070326 priority patent/WO2018126414A1/zh
Application filed by 广东欧珀移动通信有限公司 filed Critical 广东欧珀移动通信有限公司
Priority to CN201780081671.7A priority patent/CN110115084A/zh
Priority to AU2017391789A priority patent/AU2017391789A1/en
Priority to SG11201906272RA priority patent/SG11201906272RA/en
Priority to RU2019123739A priority patent/RU2719461C1/ru
Priority to CA3049484A priority patent/CA3049484A1/en
Priority to EP21179527.3A priority patent/EP3902168A1/en
Priority to MX2019008157A priority patent/MX2019008157A/es
Priority to BR112019013906A priority patent/BR112019013906A2/pt
Priority to EP17890353.0A priority patent/EP3554162B1/en
Priority to KR1020197020200A priority patent/KR20190102002A/ko
Priority to JP2019536948A priority patent/JP6979074B2/ja
Priority to TW106144944A priority patent/TWI694698B/zh
Publication of WO2018126414A1 publication Critical patent/WO2018126414A1/zh
Priority to US16/503,578 priority patent/US10651968B2/en
Priority to PH12019501596A priority patent/PH12019501596A1/en
Priority to IL26787519A priority patent/IL267875A/en
Priority to ZA2019/04827A priority patent/ZA201904827B/en
Priority to US16/836,502 priority patent/US11489617B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H04L1/0004—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes applied to control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • 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
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • H04L1/0058—Block-coded modulation
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0637—Properties of the code
    • H04L1/0643—Properties of the code block codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states

Definitions

  • Embodiments of the present application relate to the field of wireless communications, and, more particularly, to a method and a communication device for transmitting data.
  • the network side when the network side schedules data transmission, it carries the Modulation and Coding Scheme in the Downlink Control Information (DCI). Information referred to as "MCS" for short.
  • MCS Modulation and Coding Scheme
  • the network side and the terminal side pre-arrange the mapping relationship between the MCS indicated by the indication information and the transport block size (TBS), and the terminal device can learn according to the indication information and the mapping relationship. Corresponding TBS, thereby using the TBS to perform data transmission with the network device.
  • TBS Time Division Multiple Access
  • MCS Mobility Management Function
  • PRB Physical Broadband
  • eMBB Enhanced Mobile Broad Band
  • URLLC Ultra Reliable and Low Latency Communications
  • CSI-RS Channel State Information-Reference Signal
  • the embodiment of the present application provides a method for transmitting data and a communication device, which can determine information of a TBS used for data transmission based on different resource overheads.
  • a first aspect provides a method for transmitting data, including: determining a transmission parameter for transmitting a current target transmission block, where the transmission parameter includes a target modulation and coding scheme MCS, a target physical resource block PRB number, and Information of PRB resource overhead; determining a target transport block size TBS of the target transport block according to the transmission parameter; transmitting the target transport block or receiving the target transport block according to the target TBS.
  • the terminal device and the network device determine the target transport block TBS for transmitting the current data by combining the information of the PRB resource overhead, and can determine the information of the TBS used for the data transmission based on different resource overheads, thereby increasing the flexibility of the system. .
  • the information about the PRB resource overhead includes a target PRB resource cost of the target transport block, where the target PRB resource cost includes the target PRB number The number of resource elements RE that are not used to transmit the target transport block in all PRBs, or the number of REs in each PRB that are not used to transmit the target transport block.
  • the determining, according to the transmission parameter, the target TBS of the target transport block includes: according to a plurality of PRBs corresponding to the target MCS Determining, by the number of the target PRBs, and the first mapping relationship, a resource cost group corresponding to the number of the target PRBs, where the first mapping relationship is used to indicate a correspondence between the number of the plurality of PRBs and the group of resource costs; And determining, in the plurality of TBSs corresponding to the multiple resource overheads in the resource overhead group, the TBS corresponding to the target PRB resource overhead as the target TBS.
  • the transmission parameter determined by the terminal device includes a target MCS, a target PRB number, and a target PRB resource overhead.
  • the number of PRBs configured in different MCSs may be the same or different, and each MCS may correspond to multiple PRB numbers.
  • Each of the plurality of PRBs may have a PRB resource cost, and each of the PRB resource costs includes at least one PRB resource cost, and at least one of the PRB resource costs of each group of PRB resources has a corresponding TBS.
  • the determining, according to the transmission parameter, the target TBS of the target transport block includes: according to a plurality of PRBs corresponding to the target MCS Determining, by the number of the target PRBs, and the first mapping relationship, a resource cost group corresponding to the number of the target PRBs, where the first mapping relationship is used to indicate a correspondence between the number of the plurality of PRBs and the group of resource costs; Determining, by the plurality of resource overheads in the resource overhead group, at least one resource overhead greater than or equal to the target PRB resource cost; determining the at least one The TBS corresponding to the minimum resource overhead among the resource overheads is the target TBS.
  • the information about the PRB resource cost includes a ratio of the target PRB resource cost, where the ratio of the target PRB resource cost includes the number of the target PRB The proportion of REs in the total PRB that are not used to transmit the data in the total number of REs of the entire PRB, or the average of the REs in each PRB that are not used to transmit the data in the total number of REs of each PRB The proportion.
  • the determining, according to the transmission parameter, the target TBS of the target transport block, according to the ratio of the target PRB number to the target PRB resource cost Determining a number of the first PRBs; determining, according to the number of the first PRBs of the plurality of PRBs corresponding to the target MCS, and the second mapping relationship, determining that the TBS corresponding to the number of the first PRBs is the target TBS
  • the second mapping relationship is used to indicate a correspondence between the number of the multiple PRBs and multiple TBSs.
  • the determining, according to the target PRB number of the plurality of PRBs corresponding to the target MCS, and the ratio of the target PRB resource overhead, determining the first The number of the PRBs includes: determining, according to the number of the target PRBs, and the ratio of the target PRB resource costs, that the number of the first PRBs is equal to Where N is the number of target PRBs, and P is the proportion of the target PRB resource overhead. Rounded down.
  • the method is performed by a terminal device, where the method further includes: the terminal device, before determining the transmission parameter for transmitting a current target transport block Receiving the transmission parameter sent by the network device.
  • the method is performed by a network device, after the determining, for determining, to transmit a transmission parameter of a current target transport block, the method further includes: the network device The transmission parameter is sent to the terminal device.
  • a communication device that can perform the operations of any of the above-described first aspect or any alternative implementation of the first aspect.
  • the communication device may comprise a modular unit for performing the operations of any of the above-described first aspects or any of the possible implementations of the first aspect.
  • a communication device comprising: a processor, a transceiver, and a memory.
  • the processor, the transceiver, and the memory communicate with each other through an internal connection path.
  • the memory is for storing instructions for executing instructions stored by the memory.
  • the processor executes the instructions stored by the memory, the executing causes the communication device to perform the first aspect or the first
  • the method of any of the possible implementations of aspects, or the execution causes the communication device to implement the communication device provided by the second aspect.
  • a computer readable storage medium in a fourth aspect, storing a program causing a communication device to perform the first aspect described above, and any one of its various implementations to transmit data Methods.
  • a system chip comprising an input interface, an output interface, a processor, and a memory
  • the processor is configured to execute an instruction stored by the memory, and when the instruction is executed, the processor can implement the foregoing The first aspect and any of its various implementations.
  • FIG. 1 is a schematic structural diagram of an application scenario of an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a method for transmitting data according to an embodiment of the present application.
  • FIG. 3 is a schematic block diagram of a communication device in accordance with an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a system chip according to an embodiment of the present application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • a terminal device may also be referred to as a User Equipment ("UE"), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless communication device. , user agent or user device.
  • UE User Equipment
  • the access terminal can be a cellular phone, a cordless phone, a session initiation protocol (Session Initiation Protocol, referred to as "SIP") telephone, Wireless Local Loop (“WLL”) station, Personal Digital Assistant (“PDA”), handheld device with wireless communication function, A computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal device in a future 5G network, or a terminal device in a future evolved PLMN network, and the like.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the present application describes various embodiments in connection with a network device.
  • the network device may be a device for communicating with the terminal device, for example, may be a base station (Base Transceiver Station, abbreviated as "BTS") in the GSM system or CDMA, or may be a base station (NodeB, referred to as "NB” in the WCDMA system. ”), may also be an evolved base station (Evolutional Node B, “eNB” or “eNodeB”) in the LTE system, or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and a future 5G network.
  • a network side device in a network side device or a network side device in a future evolved PLMN network.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • the communication system in FIG. 1 may include a network device 10 and a terminal device 20.
  • the network device 10 is configured to provide communication services for the terminal device 20 and access the core network.
  • the terminal device 20 can access the network by searching for synchronization signals, broadcast signals, and the like transmitted by the network device 10, thereby performing communication with the network.
  • the arrow shown in FIG. 1 may represent an uplink transmission/downlink transmission by a cellular link between the terminal device 20 and the network device 10.
  • the network in the embodiment of the present application may refer to a Public Land Mobile Network (PLMN) or a Device to Device (D2D) network or a Machine to Machine (Machine to Machine). /Man, referred to as "M2M” network or other network
  • PLMN Public Land Mobile Network
  • D2D Device to Device
  • M2M Machine to Machine
  • FIG. 1 is only a simplified schematic diagram of the example, and the network may also include other terminal devices, which are not shown in FIG.
  • the method 200 may be performed by a terminal device or a network device, etc., and the method is performed by the terminal device in this embodiment as an example, but the application is not limited thereto, and the method may also be performed by the network device, and the network device may also be used.
  • the TBS is determined by the method described in the embodiment of the present application. As shown in FIG. 2, the specific process of transmitting data includes:
  • a transmission parameter for transmitting the current target transport block is determined.
  • the transmission parameter includes a target modulation and coding mode MCS and a target physical resource block PRB. Information on the number and PRB resource overhead.
  • the transmission parameters of the target transport block for transmitting the current data determined by the terminal device include not only the target MCS and the corresponding target PRB number, but also the information of the PRB resource overhead.
  • the target MCS may also include other information that has a fixed correspondence with the MCS, such as an MCS level or an MCS index.
  • the information of the PRB resource overhead includes a target PRB resource cost of the target transport block, or a ratio of the target PRB resource overhead.
  • the target PRB resource overhead includes the number of resource elements RE that are not used to transmit the target transport block in all PRBs having the target number of PRBs, or the number of REs that are not used to transmit the target transport block in each PRB.
  • the ratio of the target PRB resource overhead includes the proportion of all the PRBs that have the target number of PRBs that are not used to transmit the data in the total number of REs of all PRBs, or the average of each PRB is not used to transmit the data.
  • the proportion of RE in the total number of REs per PRB includes the proportion of all the PRBs that have the target number of PRBs that are not used to transmit the data in the total number of REs of all PRBs, or the average of each PRB is not used to transmit the data.
  • the number of the target PRBs is M. If the number of REs in the M PRBs that are not used to transmit the data is N, the target PRB resource overhead is N, and the ratio of the target PRB resource overhead is N/M. .
  • the target PRB resource cost may be defined as Q, and the target PRB resources may be used.
  • the ratio of overhead is Q/P.
  • a target TBS of the target transport block is determined based on the transmission parameter.
  • the terminal device determines the size of the target transport block for transmitting the data according to the transmission parameters.
  • a new transmission parameter that is, a PRB resource overhead information is introduced. The following describes, in combination with the PRB resource overhead information, how the terminal device determines the target transport block size TBS according to the transmission parameter.
  • the information of the PRB resource overhead includes a target PRB resource overhead of the target transport block.
  • the target device may specifically determine the target TBS of the target transport block in the following two manners, if the target PRB resource overhead is included in the transmission parameters acquired by the terminal device.
  • Determining, by the terminal device, a target TBS of the target transport block according to the transmission parameter including: a terminal And determining, by the device, a resource cost group corresponding to the target PRB number according to the number of the target PRBs in the multiple number of PRBs corresponding to the target MCS level, where the first mapping relationship is used to indicate the number of the multiple PRBs Corresponding to the multi-group resource overhead; the terminal device determines, in the plurality of TBSs corresponding to the multiple resource overheads in the resource cost group, the TBS corresponding to the target PRB resource cost as the target TBS.
  • the transmission parameter determined by the terminal device includes a target MCS, a target PRB number, and a target PRB resource overhead.
  • the number of PRBs configured in different MCSs may be the same or different, and each MCS may correspond to multiple PRB numbers.
  • Each of the plurality of PRBs may have a PRB resource cost, and each of the PRB resource costs includes at least one PRB resource cost, and at least one of the PRB resource costs of each group of PRB resources has a corresponding TBS.
  • the terminal device may determine the target TBS according to the target MCS, the number of target PRBs, the target PRB resource overhead, and the correspondence between these transmission parameters and the TBS.
  • Table 1 shows the mapping relationship between the MCS index, the number of PRBs, the PRB resource overhead, and the TBS.
  • Each of the PRBs corresponds to a set of resource overheads, and each set of resource overhead includes at least one resource overhead such as OH 1 , OH 2 , . . . OH n , and at least one resource cost corresponding to at least one of each group of resource overheads TBS.
  • the resource overhead in the resource overhead group corresponding to the number of different PRBs may be the same, different, or partially different.
  • the number of allocated PRBs in different MCSs may be different, and the resource overhead corresponding to the number of different PRBs may also be different.
  • the target MCS in the transmission parameters determined by the terminal device is MCS 1
  • the number of target PRBs is N 2
  • the target PRB resource overhead is OH 2
  • the terminal device first searches for the number of target PRBs N 2 among the plurality of PRB numbers corresponding to the MCS 1 , and then finds the target PRB resource overhead OH in a set of resource overheads corresponding to N 2 (ie, OH 1 , OH 2 , . . . OH n ). 2, and finally determines the terminal device 2 OH TBS corresponding to the target 2 TBS.
  • Determining, by the terminal device, the target TBS of the target transport block according to the transmission parameter includes: determining, by the terminal device, the number of the target PRBs according to the number of the target PRBs in the plurality of PRBs corresponding to the target MCS, and the first mapping relationship Corresponding resource cost group, the first mapping relationship is used to indicate a correspondence between a plurality of PRB numbers and a plurality of group resource costs; and the terminal device determines, in the resource cost group of the resource cost group, that the target is greater than or equal to the target At least one resource overhead of the PRB resource overhead; the terminal device determines that the TBS corresponding to the minimum resource cost of the at least one resource overhead is the target TBS.
  • the transmission parameter determined by the terminal device includes a target MCS, a target PRB number, and a target PRB resource overhead.
  • the terminal device may determine the target TBS by using the mode 2, for example, the terminal device may And determining, by the resource overhead group, the at least one resource cost that is greater than or equal to the target PRB resource cost, and determining that the TBS corresponding to the minimum resource cost of the at least one resource cost is the target TBS.
  • Table 2 shows the mapping relationship between the MCS index, the number of PRBs, the PRB resource overhead, and the TBS.
  • Each of the PRBs in turn corresponds to a set of resource overheads, and at least one of the plurality of sets of resource overheads may be partially different.
  • the multiple sets of resource overhead here are multiple resource overhead groups.
  • the terminal device may determine, in the resource overhead of the resource overhead group, at least one resource cost that is less than or equal to the target PRB resource cost, and determine a maximum resource cost corresponding to the at least one resource cost.
  • the TBS is the target TBS. This embodiment of the present application is not limited.
  • the information of the PRB resource overhead includes a proportion of the target PRB resource overhead of the target transport block.
  • the terminal device determines, according to the transmission parameter, the target TBS of the target transport block, where the terminal device determines, according to the ratio of the target PRB number and the target PRB resource cost. a number of PRBs; the terminal device determines, according to the first number of PRBs of the plurality of PRBs corresponding to the target MCS, and the second mapping relationship, the TBS corresponding to the number of the first PRBs is the target TBS, and the second mapping relationship It is used to indicate the correspondence between the number of the plurality of PRBs and the plurality of TBSs.
  • the system bandwidth is up to 100 PRBs. Therefore, in the mapping relationship between the number of MCSs, the number of PRBs, and the TBS, there are at most 100 PRBs in one MCS.
  • the system bandwidth may be much wider than that in the LTE system. For example, it may be 200M bandwidth (corresponding to 1000 PRBs). If the mapping table is constructed in the original manner, for example, Table 3, it will cause a very large overhead. .
  • the terminal device may determine the first PRB number according to the ratio of the target PRB number and the target PRB resource cost, and the terminal device is in the multiple corresponding to the target MCS.
  • the number of the first PRBs is searched for, and the TBS corresponding to the number of the first PRBs is determined to be the target TBS according to the first PRB number and the correspondence between the plurality of PRBs and the plurality of TBSs.
  • the terminal device may determine the number of the first PRB according to a certain preset rule, for example, the number of the first PRB.
  • M is the number of the first PRB
  • N is the number of target PRBs
  • P is the ratio of the target PRB resource overhead. Rounded down.
  • the transmission parameters determined by the terminal device include the target MCS, the number of target PRBs, and the target PRB resource overhead.
  • the index of the target MCS in the transmission parameter is 25, the number of target PRBs is 90, and the ratio of target PRB resource overhead is 8%.
  • the terminal device may determine, according to the number of target PRBs and the target PRB resource cost, that the number of the first PRB is Therefore, the terminal device searches for the number of PRBs in the number of PRBs corresponding to the MCS index of 25, and sets the number of PRBs corresponding to the number of PRBs to 82 as the target TBS.
  • the required TBS can be determined based on different PRB resource overheads.
  • the target transport block is transmitted or the target transport block is received.
  • the target transport block of the corresponding size may be generated based on the target TBS and the target transport block may be sent to the network device, or received according to the target TBS.
  • the method 200 described above can also be performed by a network device. That is, the network device determines a transmission parameter for transmitting a current target transport block, where the transmission parameter includes information of a target MCS, a target PRB number, and a PRB resource overhead; the network device determines a TBS of the target transport block according to the transmission parameter; the network device And transmitting, according to the target TBS, the target transport block sent by the target transport block or the receiving terminal device to the terminal device.
  • the detailed process of determining the TBS of the transport block for transmitting the current data by the network device may refer to the foregoing process of determining the TBS by the terminal device, and for brevity, no further details are provided herein.
  • the method further includes: the terminal device receiving the transmission parameter sent by the network device.
  • the method further includes: the network device transmitting the transmission parameter to the terminal device.
  • the network device may send the transmission parameter by using physical layer signaling, for example, sending the transmission parameter carried in the downlink control information (Dowenload Control Information (DCI)) to the terminal device.
  • DCI Downlink Control Information
  • the resource overhead may not change because the resource overhead may be caused by system overhead, such as Channel State Indication-Reference Signals (CSI-RS) and control channels.
  • CSI-RS Channel State Indication-Reference Signals
  • the network device can also indicate the target resource overhead to the terminal device by using high layer signaling, such as Radio Resource Contro (RRC) signaling.
  • RRC Radio Resource Contro
  • the terminal device and the network device determine the target transport block TBS for transmitting the current data by combining the information of the PRB resource overhead, and can determine the TBS information used for the data transmission based on different resource overheads, and increase the system. Flexibility.
  • FIG. 3 is a schematic block diagram of a communication device 300 in accordance with an embodiment of the present application.
  • the communication device 300 is a terminal device or a network device. As shown in FIG. 3, the communication device 300 includes a determining unit 310 and a transmitting unit 320. among them,
  • the determining unit 310 is configured to: determine a transmission parameter used for transmitting a current target transmission block, where the transmission parameter includes a target modulation and coding mode MCS, a target physical resource block PRB number, and a PRB Information on resource overhead;
  • the determining unit 310 is further configured to determine, according to the transmission parameter, a target transport block size TBS of the target transport block;
  • the transmitting unit 320 is configured to: according to the target TBS determined by the determining unit 310, send the target transport block or receive the target transport block.
  • the terminal device and the network device determine the target transport block TBS for transmitting the current data by combining the information of the PRB resource overhead, and can determine the information of the TBS used for the data transmission based on different resource overheads, thereby increasing the flexibility of the system. .
  • the information about the PRB resource overhead includes a target PRB resource overhead of the target transport block, where the target PRB resource overhead includes all PRBs having the target number of PRBs not used to transmit the target transport block.
  • the determining unit 310 is specifically configured to: determine, according to the number of the target PRBs in the plurality of PRBs corresponding to the target MCS, and the first mapping relationship, a resource cost group corresponding to the target PRB number, where The first mapping relationship is used to indicate a correspondence between the number of the plurality of PRBs and the plurality of sets of resource overheads; and determining, in the plurality of TBSs corresponding to the plurality of resource overheads in the resource overhead group, The TBS corresponding to the target PRB resource overhead is the target TBS.
  • the determining unit 310 is specifically configured to: determine, according to the number of the target PRBs in the plurality of PRBs corresponding to the target MCS, and the first mapping relationship, a resource cost group corresponding to the target PRB number, where The first mapping relationship is used to indicate a correspondence between the number of the plurality of PRBs and the plurality of resource overheads; and the plurality of resource costs in the resource cost group are determined to be greater than or equal to the target PRB resource cost.
  • At least one resource overhead determining that the TBS corresponding to the minimum resource cost of the at least one resource overhead is the target TBS.
  • the information about the PRB resource overhead includes a ratio of the target PRB resource overhead, where the ratio of the target PRB resource overhead includes an RE that is not used to transmit the data in all PRBs that have the target number of PRBs.
  • the determining unit 310 is specifically configured to: determine, according to a ratio of the number of target PRBs and the target PRB resource overhead, a first PRB number; according to the foregoing number of the plurality of PRBs corresponding to the target MCS a number of PRBs, and a second mapping relationship, determining the first The TBS corresponding to the number of the PRBs is the target TBS, and the second mapping relationship is used to indicate the correspondence between the number of the plurality of PRBs and the plurality of TBSs.
  • the determining unit 310 is specifically configured to: determine, according to the number of the target PRBs, and the proportion of the target PRB resource overhead, that the number of the first PRB is equal to Where N is the number of target PRBs, and P is the proportion of the target PRB resource overhead. Rounded down.
  • the communication device is a terminal device
  • the transmission unit 320 is further configured to: receive the transmission parameter sent by the network device.
  • the communication device is a network device
  • the transmission unit 320 is further configured to: send the transmission parameter to the terminal device.
  • the communication device 300 may correspond to the terminal device or the network device in the method embodiment, and the corresponding functions of the terminal device or the network device may be implemented. For brevity, no further details are provided herein.
  • FIG. 4 is a schematic structural diagram of a communication device 400 according to an embodiment of the present application.
  • the communication device can be a terminal device or a network device.
  • the communication device includes a processor 410, a transceiver 420, and a memory 430, wherein the processor 410, the transceiver 420, and the memory 430 communicate with each other through an internal connection path.
  • the memory 430 is configured to store instructions for executing the instructions stored by the memory 430 to control the transceiver 420 to receive signals or transmit signals.
  • the processor 410 is configured to: determine a transmission parameter used for transmitting a current target transport block, where the transmission parameter includes information of a target modulation and coding scheme MCS, a target physical resource block PRB number, and a PRB resource overhead; a parameter, determining a target transport block size TBS of the target transport block;
  • the transceiver 420 is configured to: send the target transport block to the second device according to the target TBS determined by the processor 410, or receive the target transport block sent by the second device according to the target TBS.
  • the terminal device or the network device determines the target transport block TBS for transmitting the current data by combining the information of the PRB resource overhead, and can determine the information of the TBS used for the data transmission based on different resource overheads, thereby increasing the flexibility of the system. .
  • the information about the PRB resource overhead includes a target PRB resource overhead of the target transport block, where the target PRB resource overhead includes all PRBs having the target number of PRBs not used to transmit the target transport block.
  • the processor 410 is specifically configured to: determine, according to the number of the target PRBs in the plurality of PRBs corresponding to the target MCS, and the first mapping relationship, a resource cost group corresponding to the target PRB number, where The first mapping relationship is used to indicate a correspondence between the number of the plurality of PRBs and the plurality of sets of resource overheads; and determining, in the plurality of TBSs corresponding to the plurality of resource overheads in the resource overhead group, The TBS corresponding to the target PRB resource overhead is the target TBS.
  • the processor 410 is specifically configured to: determine, according to the number of the target PRBs in the plurality of PRBs corresponding to the target MCS, and the first mapping relationship, a resource cost group corresponding to the target PRB number, where The first mapping relationship is used to indicate a correspondence between the number of the plurality of PRBs and the plurality of resource overheads; and the plurality of resource costs in the resource cost group are determined to be greater than or equal to the target PRB resource cost.
  • At least one resource overhead determining that the TBS corresponding to the minimum resource cost of the at least one resource overhead is the target TBS.
  • the information about the PRB resource overhead includes a ratio of the target PRB resource overhead, where the ratio of the target PRB resource overhead includes an RE that is not used to transmit the data in all PRBs that have the target number of PRBs.
  • the processor 410 is specifically configured to: determine, according to a ratio of the number of target PRBs and the target PRB resource overhead, a first number of PRBs; according to the foregoing number of the plurality of PRBs corresponding to the target MCS a number of PRBs, and a second mapping relationship, determining that the TBS corresponding to the number of the first PRBs is the target TBS, and the second mapping relationship is used to indicate a correspondence between the number of the plurality of PRBs and multiple TBSs relationship.
  • the processor 410 is specifically configured to: determine, according to the number of the target PRBs, and the proportion of the target PRB resource overhead, that the number of the first PRB is equal to Where N is the number of target PRBs, and P is the proportion of the target PRB resource overhead. Rounded down.
  • the communication device 400 is a terminal device, and the transceiver 420 is further configured to: receive the transmission parameter sent by the network device.
  • the communication device 400 is a network device, and the transceiver 420 is further configured to: send the transmission parameter to the terminal device.
  • the processor 410 may be a central processing unit (“CPU"), and the processor 410 may also be other general-purpose processors, digital signal processors (DSPs). , application specific integrated circuit (ASIC), off-the-shelf programmable gate array (FPGA) Or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and the like.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 430 can include read only memory and random access memory and provides instructions and data to the processor 410.
  • a portion of the memory 430 may also include a non-volatile random access memory.
  • the memory 430 can also store information of the device type.
  • each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 410 or an instruction in a form of software.
  • the steps of the positioning method disclosed in the embodiment of the present application may be directly implemented by the hardware processor, or may be performed by a combination of hardware and software modules in the processor 410.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 430, and the processor 410 reads the information in the memory 430 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the communication device 400 may correspond to a terminal device or a network device for performing the method 200 in the above method 200, and a communication device 300 according to an embodiment of the present application, and each unit or module in the communication device 400 The operations or processes performed by the terminal device or the network device in the foregoing method 200 are respectively performed.
  • a terminal device or a network device for performing the method 200 in the above method 200 and a communication device 300 according to an embodiment of the present application, and each unit or module in the communication device 400
  • the operations or processes performed by the terminal device or the network device in the foregoing method 200 are respectively performed.
  • detailed description thereof is omitted.
  • FIG. 5 is a schematic structural diagram of a system chip according to an embodiment of the present application.
  • the system chip 500 of FIG. 5 includes an input interface 501, an output interface 502, at least one processor 503, and a memory 504.
  • the input interface 501, the output interface 502, the processor 503, and the memory 504 are interconnected by an internal connection path.
  • the processor 503 is configured to execute code in the memory 504. When the code is executed, the processor 503 can implement the method performed by the terminal device and the network device in the method embodiment. For the sake of brevity, it will not be repeated here.
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • 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, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • This functionality if implemented as a software functional unit and sold or used as a standalone product, can be stored on a computer readable storage medium.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the method of various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a disk, or an optical disk.

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Abstract

本申请公开了一种传输数据的方法和通信设备，该方法包括：确定用于传输当前的目标传输块的传输参数，所述传输参数包括目标调制编码方式MCS、目标物理资源块PRB数目和PRB资源开销的信息；根据所述传输参数，确定所述目标传输块的目标传输块大小TBS；根据所述目标TBS，发送所述目标传输块或者接收所述目标传输块。这样能够实现基于不同的资源开销确定数据传输所使用的TBS的信息。

Description

传输数据的方法和通信设备 技术领域
本申请实施例涉及无线通信领域，并且更具体地，涉及一种传输数据的方法和通信设备。
背景技术
在长期演进(Long Term Evolution，简称“LTE”)系统中，网络侧在调度数据传输时，会在下行控制信息(Downlink Control Information，简称“DCI”)中携带调制编码方式(Modulation and Coding Scheme，简称“MCS”)的信息。同时，网络侧和终端侧会预先约定好该指示信息指示的MCS与数据传输块大小(Transport Block Size，简称“TBS”)的映射关系，终端设备根据该指示信息和该映射关系，就可以获知对应的TBS，从而使用该TBS与网络设备进行数据传输。
目前，TBS、MCS、PRB资源之间的对应关系，是在假设固定的资源开销(overhead)的情况下确定的，该资源开销包括控制信道占用的资源和小区参考信号(Cell-specific Reference Signals，简称“CRS”)占用的资源。但是在5G系统，或称新无线系统(New Radio，简称“NR”)中，影响overhead的因素非常多，包括控制信道所占用资源的不同；在增强移动宽带(Enhanced Mobile Broad Band，简称“eMBB”)业务中插入的低时延通信(High Reliable and Low Latency Communications，简称“URLLC”)业务；不同的信道状态信息-参考信号(Channel State Information-Reference Signal，简称“CSI-RS”)天线端口的数目(包括某些终端不可见的端口数)；不同的解调参考信号(Demodulation Reference Signal，简称“DMRS”)密度等。所有这些因素都使得如果按固定的overhead去设计TBS会导致系统变得不灵活，但是如果不按固定的overhead去设计TBS，一旦基站和终端对TBS的理解不一致，就会导致严重后果。
发明内容
本申请实施例提供了一种传输数据的方法和通信设备，能够基于不同的资源开销确定数据传输所使用的TBS的信息。
第一方面，提供了一种传输数据的方法，其特征在于，包括：确定用于传输当前的目标传输块的传输参数，所述传输参数包括目标调制编码方式MCS、目标物理资源块PRB数目和PRB资源开销的信息；根据所述传输参数，确定所述目标传输块的目标传输块大小TBS；根据所述目标TBS，发送所述目标传输块或者接收所述目标传输块。
因此，终端设备和网络设备通过结合PRB资源开销的信息来确定用于传输当前数据的目标传输块TBS，能够实现基于不同的资源开销确定数据传输所使用的TBS的信息，增加了系统的灵活度。
可选地，在第一方面的一种实现方式中，所述PRB资源开销的信息包括所述目标传输块的目标PRB资源开销，其中，所述目标PRB资源开销包括具有所述目标PRB数目的全部PRB中不用于传输所述目标传输块的资源元素RE的数目，或者平均每个PRB中不用于传输所述目标传输块的RE的数目。
可选地，在第一方面的一种实现方式中，所述根据所述传输参数，确定所述目标传输块的目标TBS，包括：根据与所述目标MCS对应的多个PRB数目中的所述目标PRB数目，以及第一映射关系，确定与所述目标PRB数目对应的资源开销组，所述第一映射关系用于表示所述多个PRB数目与多组资源开销之间的对应关系；在与所述资源开销组中的多个资源开销对应的多个TBS中，确定与所述目标PRB资源开销对应的TBS为所述目标TBS。
这里，终端设备确定的该传输参数中，包括目标MCS、目标PRB数目以及目标PRB资源开销。不同MCS下所配置的PRB数目可以相同或者不同，且每个MCS可以对应多个PRB数目。这多个PRB数目中的每个PRB数目可以对应一组PRB资源开销，每组PRB资源开销中包括至少一个PRB资源开销，且每组PRB资源开销中的至少一个PRB资源开销都有与其对应的TBS。
可选地，在第一方面的一种实现方式中，所述根据所述传输参数，确定所述目标传输块的目标TBS，包括：根据与所述目标MCS对应的多个PRB数目中的所述目标PRB数目，以及第一映射关系，确定与所述目标PRB数目对应的资源开销组，所述第一映射关系用于表示所述多个PRB数目与多组资源开销之间的对应关系；在所述资源开销组中的多个资源开销中，确定大于或等于所述目标PRB资源开销的至少一个资源开销；确定所述至少一 个资源开销中的最小资源开销所对应的TBS为所述目标TBS。
可选地，在第一方面的一种实现方式中，所述PRB资源开销的信息包括所述目标PRB资源开销的比例，其中，所述目标PRB资源开销的比例包括具有所述目标PRB数目的全部PRB中不用于传输所述数据的RE在所述全部PRB的RE总数中所占的比例，或者平均每个PRB中不用于传输所述数据的RE在所述每个PRB的RE总数中所占的比例。
可选地，在第一方面的一种实现方式中，所述根据所述传输参数，确定所述目标传输块的目标TBS，包括：根据所述目标PRB数目和所述目标PRB资源开销的比例，确定第一PRB数目；根据与所述目标MCS对应的多个PRB数目中的所述第一PRB数目，以及第二映射关系，确定与所述第一PRB数目对应的TBS为所述目标TBS，所述第二映射关系用于表示所述多个PRB数目与多个TBS之间的对应关系。
可选地，在第一方面的一种实现方式中，所述根据与所述目标MCS对应的多个PRB数目中的所述目标PRB数目，以及所述目标PRB资源开销的比例，确定第一PRB数目，包括：根据所述目标PRB数目，以及所述目标PRB资源开销的比例，确定所述第一PRB数目等于
Figure PCTCN2017070326-appb-000001
其中N为所述目标PRB数目，P为所述目标PRB资源开销的比例，
Figure PCTCN2017070326-appb-000002
为向下取整。
可选地，在第一方面的一种实现方式中，所述方法由终端设备执行，在所述确定用于传输当前的目标传输块的传输参数之前，所述方法还包括：所述终端设备接收网络设备发送的所述传输参数。
可选地，在第一方面的一种实现方式中，所述方法由网络设备执行，在所述确定用于传输当前的目标传输块的传输参数之后，所述方法还包括：所述网络设备向终端设备发送所述传输参数。
第二方面，提供了一种通信设备，该通信设备可以执行上述第一方面或第一方面的任意可选的实现方式中的操作。具体地，该通信设备可以包括用于执行上述第一方面或第一方面的任意可能的实现方式中的操作的模块单元。
第三方面，提供了一种通信设备，该通信设备包括：处理器、收发器和存储器。其中，该处理器、收发器和存储器之间通过内部连接通路互相通信。该存储器用于存储指令，该处理器用于执行该存储器存储的指令。当该处理器执行该存储器存储的指令时，该执行使得该通信设备执行第一方面或第一 方面的任意可能的实现方式中的方法，或者该执行使得该通信设备实现第二方面提供的通信设备。
第四方面，提供了一种计算机可读存储介质，所述计算机可读存储介质存储有程序，所述程序使得通信设备执行上述第一方面，及其各种实现方式中的任一种传输数据的方法。
第五方面，提供了一种系统芯片，该系统芯片包括输入接口、输出接口、处理器和存储器，该处理器用于执行该存储器存储的指令，当该指令被执行时，该处理器可以实现前述第一方面及其各种实现方式中的任一种方法。
附图说明
图1是本申请实施例的一种应用场景的示意性架构图。
图2是本申请实施例的传输数据的方法的示意性流程图。
图3是根据本申请实施例的通信设备的示意性框图。
图4是根据本申请实施例的通信设备的示意性结构图。
图5是根据本申请实施例的系统芯片的示意性结构图。
具体实施方式
下面将结合附图，对本申请实施例中的技术方案进行描述。
应理解，本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile Communication，简称“GSM”)系统、码分多址(Code Division Multiple Access，简称“CDMA”)系统、宽带码分多址(Wideband Code Division Multiple Access，简称“WCDMA”)系统、长期演进(Long Term Evolution，简称“LTE”)系统、LTE频分双工(Frequency Division Duplex，简称“FDD”)系统、LTE时分双工(Time Division Duplex，简称“TDD”)、通用移动通信系统(Universal Mobile Telecommunication System，简称“UMTS”)、以及未来的5G通信系统等。
本申请结合终端设备描述了各个实施例。终端设备也可以指用户设备(User Equipment，简称“UE”)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议 (Session Initiation Protocol，简称“SIP”)电话、无线本地环路(Wireless Local Loop，简称“WLL”)站、个人数字处理(Personal Digital Assistant，简称“PDA”)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来5G网络中的终端设备或者未来演进的PLMN网络中的终端设备等。
本申请结合网络设备描述了各个实施例。网络设备可以是用于与终端设备进行通信的设备，例如，可以是GSM系统或CDMA中的基站(Base Transceiver Station，简称“BTS”)，也可以是WCDMA系统中的基站(NodeB，简称“NB”)，还可以是LTE系统中的演进型基站(Evolutional Node B，简称“eNB”或“eNodeB”)，或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络侧设备或未来演进的PLMN网络中的网络侧设备等。
图1是本申请实施例的一个应用场景的示意图。图1中的通信系统可以包括网络设备10和终端设备20。网络设备10用于为终端设备20提供通信服务并接入核心网，终端设备20可以通过搜索网络设备10发送的同步信号、广播信号等而接入网络，从而进行与网络的通信。图1中所示出的箭头可以表示通过终端设备20与网络设备10之间的蜂窝链路进行的上行传输/下行传输。
本申请实施例中的网络可以是指公共陆地移动网络(Public Land Mobile Network，简称“PLMN”)或者设备对设备(Device to Device，简称“D2D”)网络或者机器对机器/人(Machine to Machine/Man，简称“M2M”)网络或者其他网络，图1只是举例的简化示意图，网络中还可以包括其他终端设备，图1中未予以画出。
图2是根据本申请实施例的传输数据的方法200的流程图。该方法200可以由终端设备或者网络设备等执行，本申请实施例中以该方法由终端设备执行为例进行描述，但本申请不限于此，该方法也可以由网络设备执行，网络设备也可以通过本申请实施例所述的方法确定TBS。如图2所示，该传输数据的具体流程包括：
在210中，确定用于传输当前的目标传输块的传输参数。
其中，该传输参数包括目标调制编码方式MCS、目标物理资源块PRB 数目和PRB资源开销(overhead)的信息。
具体地说，终端设备确定的用于传输当前数据的目标传输块的传输参数中，不仅包括目标MCS和对应的目标PRB数目，还包括PRB资源开销的信息。该目标MCS也可以包括MCS等级或者MCS索引等与MCS有固定对应关系的其他信息，该PRB资源开销的信息包括该目标传输块的目标PRB资源开销，或者包括该目标PRB资源开销的比例。
其中，该目标PRB资源开销包括具有该目标PRB数目的全部PRB中，不用于传输该目标传输块的资源元素RE的数目，或者平均每个PRB中不用于传输该目标传输块的RE的数目。
其中，该目标PRB资源开销的比例包括具有该目标PRB数目的全部PRB中不用于传输该数据的RE在全部PRB的RE总数中所占的比例，或者平均每个PRB中不用于传输该数据的RE在每个PRB的RE总数中所占的比例。
举例来说，该目标PRB数目为M，如果这M个PRB中不用于传输该数据的RE的个数为N，那么该目标PRB资源开销为N，该目标PRB资源开销的比例为N/M。
如果这M个PRB中的每个PRB中的RE总数为P，每个PRB中不用于传输该数据的RE的个数为Q，那么也可以定义该目标PRB资源开销为Q，该目标PRB资源开销的比例为Q/P。
在220中，根据该传输参数，确定该目标传输块的目标TBS。
具体地说，终端设备在确定了目标MCS等级、目标PRB数目和PRB资源开销的信息后，根据这些传输参数，确定用于传输该数据的目标传输块的大小。本申请实施例中引入了新的传输参数即PRB资源开销的信息，下面就结合该PRB资源开销的信息，详细描述终端设备如何根据传输参数来确定目标传输块大小TBS。
情况1
该PRB资源开销的信息包括该目标传输块的目标PRB资源开销。
终端设备获取的传输参数中，如果包括目标PRB资源开销，那么终端设备具体可以通过以下两种方式来确定目标传输块的目标TBS。
方式1
终端设备根据该传输参数，确定该目标传输块的目标TBS，包括：终端 设备根据与目标MCS等级对应的多个PRB数目中的该目标PRB数目，以及第一映射关系，确定与该目标PRB数目对应的资源开销组，该第一映射关系用于表示该多个PRB数目与多组资源开销之间的对应关系；终端设备在与该资源开销组中的多个资源开销对应的多个TBS中，确定与该目标PRB资源开销对应的TBS为该目标TBS。
具体地说，终端设备确定的该传输参数中，包括目标MCS、目标PRB数目以及目标PRB资源开销。不同MCS下所配置的PRB数目可以相同或者不同，且每个MCS可以对应多个PRB数目。这多个PRB数目中的每个PRB数目可以对应一组PRB资源开销，每组PRB资源开销中包括至少一个PRB资源开销，且每组PRB资源开销中的至少一个PRB资源开销都有与其对应的TBS。终端设备可以根据目标MCS、目标PRB数目、目标PRB资源开销，以及这些传输参数与TBS之间的对应关系，确定目标TBS。
表一
Figure PCTCN2017070326-appb-000003
举例来说，表一示出了MCS索引、PRB数目、PRB资源开销和TBS之间的映射关系。其中，一种MCS下对应了多个PRB数目如N1＝1、N2＝2、……、Nk＝100，分别表示分配的PRB个数为1个PRB、2个PRB、……、100个PRB。其中每个PRB数目又与一组资源开销对应，每组资源开销中包 括至少一个资源开销例如OH1、OH2、……OHn，且每组资源开销中的至少一个资源开销对应的至少一个TBS。不同PRB数目对应的资源开销组中的资源开销可以相同、不同或者部分不同。在表一中，不同MCS下所分配PRB数目可以是不同的，不同PRB数目对应的资源开销也可以是不同的。
例如，假设终端设备确定的传输参数中的目标MCS为MCS1，目标PRB数目为N2，目标PRB资源开销为OH2。终端设备首先在MCS1对应的多个PRB数目中查找目标PRB数目N2，然后在N2对应的一组资源开销(即OH1、OH2、……OHn)中找到目标PRB资源开销OH2，最后终端设备确定与OH2对应的TBS2为目标TBS。
方式2
终端设备根据该传输参数，确定该目标传输块的目标TBS，包括：终端设备根据与该目标MCS对应的多个PRB数目中的该目标PRB数目，以及第一映射关系，确定与该目标PRB数目对应的资源开销组，该第一映射关系用于表示多个PRB数目与多组资源开销之间的对应关系；终端设备在该资源开销组中的多个资源开销中，确定大于或等于该目标PRB资源开销的至少一个资源开销；终端设备确定该至少一个资源开销中的最小资源开销所对应的TBS为该目标TBS。
具体地说，终端设备确定的该传输参数中，包括目标MCS、目标PRB数目以及目标PRB资源开销。在一种情况下，如果终端设备在目标PRB数目对应的资源开销组中的至少一个资源开销中，查找不到目标PRB资源开销，那么终端设备可以通过方式2来确定目标TBS，比如终端设备可以在该资源开销组中的多个资源开销中，确定大于或等于该目标PRB资源开销的至少一个资源开销，并确定该至少一个资源开销中的最小资源开销所对应的TBS为该目标TBS。
举例来说，表二示出了MCS索引、PRB数目、PRB资源开销和TBS之间的映射关系。表二示出的MCS索引为MCS15，MCS15对应了多个PRB数目如N1＝10、……、Nk＝20。其中每个PRB数目又与一组资源开销对应，且多组资源开销中的至少一个资源开销可以部分不同。例如PRB数目为N1＝10时对应的资源开销组中包括三个资源开销6、12、18，PRB数目为N2＝20时对应的资源开销组中包括三个资源开销6、9、12。这里的多组资源开销即多个资源开销组。
表二
Figure PCTCN2017070326-appb-000004
例如，假设终端设备获取的传输参数中的目标MCS的索引为15，目标PRB数目为N1＝10，目标PRB资源开销为8。终端设备首先在MCS索引为15对应的多个PRB数目中查找目标PRB数目N1＝10，然后在N1＝10对应的一组资源开销(即OH1、OH2和OH3)中找到大于该目标PRB资源开销8的资源开销即OH2＝12和OH3＝18，最后终端设备在OH2＝12和OH3＝18中确定最小的资源开销为OH2＝12，于是终端设备根据资源开销与TBS的对应关系，确定与OH2＝12对应TBS2为目标TBS。
又例如，假设终端设备获取的传输参数中的目标MCS的索引为15，目标PRB数目为N2＝20，目标PRB资源开销为8。终端设备在N2＝20对应的一组资源开销(即OH4、OH5和OH6)中找到大于该目标PRB资源开销8的资源开销即OH5＝9和OH6＝12，最后终端设备在OH5＝9和OH6＝12中确定最小的资源开销为OH5＝9，于是终端设备根据资源开销与TBS的对应关系，确定与OH5＝9对应TBS2为目标TBS。
应理解，终端设备也可以在该资源开销组中的多个资源开销中，确定小于或等于该目标PRB资源开销的至少一个资源开销，并确定该至少一个资源开销中的最大资源开销所对应的TBS为该目标TBS。本申请实施例中不做限定。
情况2
该PRB资源开销的信息包括该目标传输块的目标PRB资源开销的比例。
可选地，终端设备根据该传输参数，确定该目标传输块的目标TBS，包括：终端设备根据该目标PRB数目和该目标PRB资源开销的比例，确定第 一PRB数目；终端设备根据与该目标MCS对应的多个PRB数目中的该第一PRB数目，以及第二映射关系，确定与该第一PRB数目对应的TBS为目标TBS，该第二映射关系用于表示该多个PRB数目与多个TBS之间的对应关系。
在LTE系统中，系统带宽最多为100个PRB，所以在MCS、PRB数目和TBS之间的映射关系中，一个MCS下最多有100个PRB。而在5G系统中系统带宽可能会比LTE系统中的宽很多，例如可以为200M带宽(对应1000个PRB)，如果还是采用原有的方式构造映射关系表例如表三，会造成非常巨大的开销。
如果终端设备确定的传输参数中包括目标PRB资源开销的比例，那么终端设备可以根据目标PRB数目和该目标PRB资源开销的比例，确定第一PRB数目，终端设备在与该目标MCS对应的多个PRB数目中查找该第一PRB数目，并根据该第一PRB数目以及该多个PRB数目与多个TBS之间的对应关系，确定与该第一PRB数目对应的TBS为目标TBS。
表三
Figure PCTCN2017070326-appb-000005
可选地，终端设备可以根据一定的预设规则确定该第一PRB数目，例如第一PRB数目
Figure PCTCN2017070326-appb-000006
其中M为第一PRB数目，N为目标PRB数目，P为目标PRB资源开销的比例，
Figure PCTCN2017070326-appb-000007
为向下取整。
以表三所示的映射关系为例，终端设备确定的该传输参数中，包括目标MCS、目标PRB数目以及目标PRB资源开销。假设该传输参数中的目标MCS的索引为25，目标PRB数目为90，目标PRB资源开销的比例为8％。那么终端设备可以根据目标PRB数目和目标PRB资源开销，确定第一PRB数目为
Figure PCTCN2017070326-appb-000008
从而终端设备在MCS索引为25对应的PRB数目中查找PRB数目为82，并根据PRB数目为82对应的TBS为目标TBS。
该实施例中无需修改原有的映射关系表，就可以基于不同PRB资源开销确定所需的TBS。
在230中，根据该目标TBS，发送该目标传输块或者接收该目标传输块。
具体地说，终端设备确定好了用于传输当前的目标传输块的目标TBS后，可以基于该目标TBS生成对应大小的目标传输块并向网络设备发送该目标传输块，或者基于该目标TBS接收网络设备发送的该目标传输块。
上面描述的方法200也可以由网络设备执行。即网络设备确定用于传输当前的目标传输块的传输参数，该传输参数包括目标MCS、目标PRB数目和PRB资源开销的信息；网络设备根据该传输参数，确定该目标传输块的TBS；网络设备根据该目标TBS，向终端设备发送发送该目标传输块或者接收终端设备发送的该目标传输块。应理解，网络设备确定用于传输当前数据的传输块的TBS的详细过程可以参考前面描述的终端设备确定TBS的过程，为了简洁，这里不再赘述。
可选地，若该方法由终端设备执行，那么在终端设备确定用于传输当前的目标传输块的传输参数之前，该方法还包括：终端设备接收网络设备发送的该传输参数。
可选地，若该方法由网络设备执行，那么在确定用于传输当前的目标传输块的传输参数之后，该方法还包括：网络设备向终端设备发送该传输参数。
这里，网络设备可以通过物理层信令发送该传输参数，例如向终端设备发送承载在下行控制信息(Dowenload Control Information，简称“DCI”)中的该传输参数。但由于资源开销(overhead)可能是由于系统开销造成的，例如信道状态指示参考信号(Channel State Indication-Reference Signals，简称“CSI-RS”)和控制信道等，所以资源开销的值可能不会变化的特别快。因此，网络设备还可以通过高层信令例如无线资源控制(Radio Resource Contro，简称“RRC”)信令向终端设备指示该目标资源开销。
本申请实施例中，终端设备和网络设备通过结合PRB资源开销的信息确定用于传输当前数据的目标传输块TBS，能够实现基于不同的资源开销确定数据传输所使用的TBS的信息，增加了系统的灵活度。
图3是根据本申请实施例的通信设备300的示意性框图。该通信设备300为终端设备或网络设备，如图3所示，该通信设备300包括确定单元310和传输单元320。其中，
该确定单元310用于：确定用于传输当前的目标传输块的传输参数，所述传输参数包括目标调制编码方式MCS、目标物理资源块PRB数目和PRB 资源开销的信息；
该确定单元310还用于，根据所述传输参数，确定所述目标传输块的目标传输块大小TBS；
该传输单元320用于：根据确定单元310确定的目标TBS，发送所述目标传输块或者接收所述目标传输块。
因此，终端设备和网络设备通过结合PRB资源开销的信息来确定用于传输当前数据的目标传输块TBS，能够实现基于不同的资源开销确定数据传输所使用的TBS的信息，增加了系统的灵活度。
可选地，所述PRB资源开销的信息包括所述目标传输块的目标PRB资源开销，其中，所述目标PRB资源开销包括具有所述目标PRB数目的全部PRB中不用于传输所述目标传输块的资源元素RE的数目，或者平均每个PRB中不用于传输所述目标传输块的RE的数目。
可选地，确定单元310具体用于：根据与所述目标MCS对应的多个PRB数目中的所述目标PRB数目，以及第一映射关系，确定与所述目标PRB数目对应的资源开销组，所述第一映射关系用于表示所述多个PRB数目与多组资源开销之间的对应关系；在与所述资源开销组中的多个资源开销对应的多个TBS中，确定与所述目标PRB资源开销对应的TBS为所述目标TBS。
可选地，确定单元310具体用于：根据与所述目标MCS对应的多个PRB数目中的所述目标PRB数目，以及第一映射关系，确定与所述目标PRB数目对应的资源开销组，所述第一映射关系用于表示所述多个PRB数目与多组资源开销之间的对应关系；在所述资源开销组中的多个资源开销中，确定大于或等于所述目标PRB资源开销的至少一个资源开销；确定所述至少一个资源开销中的最小资源开销所对应的TBS为所述目标TBS。
可选地，所述PRB资源开销的信息包括所述目标PRB资源开销的比例，其中，所述目标PRB资源开销的比例包括具有所述目标PRB数目的全部PRB中不用于传输所述数据的RE在所述全部PRB的RE总数中所占的比例，或者平均每个PRB中不用于传输所述数据的RE在所述每个PRB的RE总数中所占的比例。
可选地，确定单元310具体用于：根据所述目标PRB数目和所述目标PRB资源开销的比例，确定第一PRB数目；根据与所述目标MCS对应的多个PRB数目中的所述第一PRB数目，以及第二映射关系，确定与所述第一 PRB数目对应的TBS为所述目标TBS，所述第二映射关系用于表示所述多个PRB数目与多个TBS之间的对应关系。
可选地，确定单元310具体用于：根据所述目标PRB数目，以及所述目标PRB资源开销的比例，确定所述第一PRB数目等于
Figure PCTCN2017070326-appb-000009
其中N为所述目标PRB数目，P为所述目标PRB资源开销的比例，
Figure PCTCN2017070326-appb-000010
为向下取整。
可选地，所述通信设备为终端设备，传输单元320还用于：接收网络设备发送的所述传输参数。
可选地，所述通信设备为网络设备，传输单元320还用于：向终端设备发送所述传输参数。
应理解，该通信设备300可以对应于方法实施例中的终端设备或网络设备，可以实现该终端设备或网络设备的相应功能，为了简洁，在此不再赘述。
图4是根据本申请实施例的通信设备400的示意性结构图。该通信设备可以为终端设备或网络设备。如图4所示，该通信设备包括处理器410、收发器420和存储器430，其中，该处理器410、收发器420和存储器430之间通过内部连接通路互相通信。该存储器430用于存储指令，该处理器410用于执行该存储器430存储的指令，以控制该收发器420接收信号或发送信号。
其中，该处理器410用于：确定用于传输当前的目标传输块的传输参数，所述传输参数包括目标调制编码方式MCS、目标物理资源块PRB数目和PRB资源开销的信息；根据所述传输参数，确定所述目标传输块的目标传输块大小TBS；
该收发器420用于：根据处理器410确定的所述目标TBS，向第二设备发送所述目标传输块，或者接收所述第二设备根据所述目标TBS发送的所述目标传输块。
因此，终端设备或网络设备通过结合PRB资源开销的信息来确定用于传输当前数据的目标传输块TBS，能够实现基于不同的资源开销确定数据传输所使用的TBS的信息，增加了系统的灵活度。
可选地，所述PRB资源开销的信息包括所述目标传输块的目标PRB资源开销，其中，所述目标PRB资源开销包括具有所述目标PRB数目的全部PRB中不用于传输所述目标传输块的资源元素RE的数目，或者平均每个PRB中不用于传输所述目标传输块的RE的数目。
可选地，处理器410具体用于：根据与所述目标MCS对应的多个PRB数目中的所述目标PRB数目，以及第一映射关系，确定与所述目标PRB数目对应的资源开销组，所述第一映射关系用于表示所述多个PRB数目与多组资源开销之间的对应关系；在与所述资源开销组中的多个资源开销对应的多个TBS中，确定与所述目标PRB资源开销对应的TBS为所述目标TBS。
可选地，处理器410具体用于：根据与所述目标MCS对应的多个PRB数目中的所述目标PRB数目，以及第一映射关系，确定与所述目标PRB数目对应的资源开销组，所述第一映射关系用于表示所述多个PRB数目与多组资源开销之间的对应关系；在所述资源开销组中的多个资源开销中，确定大于或等于所述目标PRB资源开销的至少一个资源开销；确定所述至少一个资源开销中的最小资源开销所对应的TBS为所述目标TBS。
可选地，所述PRB资源开销的信息包括所述目标PRB资源开销的比例，其中，所述目标PRB资源开销的比例包括具有所述目标PRB数目的全部PRB中不用于传输所述数据的RE在所述全部PRB的RE总数中所占的比例，或者平均每个PRB中不用于传输所述数据的RE在所述每个PRB的RE总数中所占的比例。
可选地，处理器410具体用于：根据所述目标PRB数目和所述目标PRB资源开销的比例，确定第一PRB数目；根据与所述目标MCS对应的多个PRB数目中的所述第一PRB数目，以及第二映射关系，确定与所述第一PRB数目对应的TBS为所述目标TBS，所述第二映射关系用于表示所述多个PRB数目与多个TBS之间的对应关系。
可选地，处理器410具体用于：根据所述目标PRB数目，以及所述目标PRB资源开销的比例，确定所述第一PRB数目等于
Figure PCTCN2017070326-appb-000011
其中N为所述目标PRB数目，P为所述目标PRB资源开销的比例，
Figure PCTCN2017070326-appb-000012
为向下取整。
可选地，该通信设备400为终端设备，该收发器420还用于：接收网络设备发送的所述传输参数。
可选地，该通信设备400为网络设备，该收发器420还用于：向终端设备发送所述传输参数。
应理解，在本申请实施例中，该处理器410可以是中央处理单元(Central Processing Unit，简称为“CPU”)，该处理器410还可以是其他通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(FPGA) 或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器430可以包括只读存储器和随机存取存储器，并向处理器410提供指令和数据。存储器430的一部分还可以包括非易失性随机存取存储器。例如，存储器430还可以存储设备类型的信息。
在实现过程中，上述方法的各步骤可以通过处理器410中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的定位方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器410中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器430，处理器410读取存储器430中的信息，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
根据本申请实施例的通信设备400可以对应于上述方法200中用于执行方法200的终端设备或网络设备，以及根据本申请实施例的通信设备300，且该通信设备400中的各单元或模块分别用于执行上述方法200中终端设备或网络设备所执行的各动作或处理过程，这里，为了避免赘述，省略其详细说明。
图5是本申请实施例的系统芯片的一个示意性结构图。图5的系统芯片500包括输入接口501、输出接口502、至少一个处理器503、存储器504，所述输入接口501、输出接口502、所述处理器503以及存储器504之间通过内部连接通路互相连接。所述处理器503用于执行所述存储器504中的代码。当所述代码被执行时，所述处理器503可以实现方法实施例中由终端设备和网络设备所执行的方法。为了简洁，这里不再赘述。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，该单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
该作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
该功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例该方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，简称“ROM”)、随机存取存储器(Random Access Memory，简称“RAM”)、磁碟或者光盘等各种可以存储程序代码的介质。
以上，仅为本申请的具体实施方式，但本申请实施例的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请实施例揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请适合私利的保护范围之内。因此，本申请实施例的保护范围应该以权利要求的保护范围为准。

Claims (18)

  1. 一种传输数据的方法，其特征在于，所述方法包括：
    确定用于传输当前的目标传输块的传输参数，所述传输参数包括目标调制编码方式MCS、目标物理资源块PRB数目和PRB资源开销的信息；
    根据所述传输参数，确定所述目标传输块的目标传输块大小TBS；
    根据所述目标TBS，发送所述目标传输块或者接收所述目标传输块。
  2. 根据权利要求1所述的方法，其特征在于，所述PRB资源开销的信息包括所述目标传输块的目标PRB资源开销，
    其中，所述目标PRB资源开销包括具有所述目标PRB数目的全部PRB中不用于传输所述目标传输块的资源元素RE的数目，或者平均每个PRB中不用于传输所述目标传输块的RE的数目。
  3. 根据权利要求2所述的方法，其特征在于，所述根据所述传输参数，确定所述目标传输块的目标TBS，包括：
    根据与所述目标MCS对应的多个PRB数目中的所述目标PRB数目，以及第一映射关系，确定与所述目标PRB数目对应的资源开销组，所述第一映射关系用于表示所述多个PRB数目与多组资源开销之间的对应关系；
    在与所述资源开销组中的多个资源开销对应的多个TBS中，确定与所述目标PRB资源开销对应的TBS为所述目标TBS。
  4. 根据权利要求2所述的方法，其特征在于，所述根据所述传输参数，确定所述目标传输块的目标TBS，包括：
    根据与所述目标MCS对应的多个PRB数目中的所述目标PRB数目，以及第一映射关系，确定与所述目标PRB数目对应的资源开销组，所述第一映射关系用于表示所述多个PRB数目与多组资源开销之间的对应关系；
    在所述资源开销组中的多个资源开销中，确定大于或等于所述目标PRB资源开销的至少一个资源开销；
    确定所述至少一个资源开销中的最小资源开销所对应的TBS为所述目标TBS。
  5. 根据权利要求1所述的方法，其特征在于，所述PRB资源开销的信息包括所述目标PRB资源开销的比例，
    其中，所述目标PRB资源开销的比例包括具有所述目标PRB数目的全部PRB中不用于传输所述数据的RE在所述全部PRB的RE总数中所占的 比例，或者平均每个PRB中不用于传输所述数据的RE在所述每个PRB的RE总数中所占的比例。
  6. 根据权利要求5所述的方法，其特征在于，所述根据所述传输参数，确定所述目标传输块的目标TBS，包括：
    根据所述目标PRB数目和所述目标PRB资源开销的比例，确定第一PRB数目；
    根据与所述目标MCS对应的多个PRB数目中的所述第一PRB数目，以及第二映射关系，确定与所述第一PRB数目对应的TBS为所述目标TBS，所述第二映射关系用于表示所述多个PRB数目与多个TBS之间的对应关系。
  7. 根据权利要求6所述的方法，其特征在于，所述根据与所述目标MCS对应的多个PRB数目中的所述目标PRB数目，以及所述目标PRB资源开销的比例，确定第一PRB数目，包括：
    根据所述目标PRB数目，以及所述目标PRB资源开销的比例，确定所述第一PRB数目等于
    Figure PCTCN2017070326-appb-100001
    其中N为所述目标PRB数目，P为所述目标PRB资源开销的比例，
    Figure PCTCN2017070326-appb-100002
    为向下取整。
  8. 根据权利要求1至7中任一项所述的方法，其特征在于，所述方法由终端设备执行，在所述确定用于传输当前的目标传输块的传输参数之前，所述方法还包括：
    所述终端设备接收网络设备发送的所述传输参数。
  9. 根据权利要求1至7中任一项所述的方法，其特征在于，所述方法由网络设备执行，在所述确定用于传输当前的目标传输块的传输参数之后，所述方法还包括：
    所述网络设备向终端设备发送所述传输参数。
  10. 一种通信设备，其特征在于，包括：
    确定单元，用于确定用于传输当前的目标传输块的传输参数，所述传输参数包括目标调制编码方式MCS、目标物理资源块PRB数目和PRB资源开销的信息；
    所述确定单元还用于，根据所述传输参数，确定所述目标传输块的目标传输块大小TBS；
    传输单元，用于根据所述确定单元确定的所述目标TBS，发送所述目标传输块或者接收所述目标传输块。
  11. 根据权利要求10所述的通信设备，其特征在于，所述PRB资源开销的信息包括所述目标传输块的目标PRB资源开销，
    其中，所述目标PRB资源开销包括具有所述目标PRB数目的全部PRB中不用于传输所述目标传输块的资源元素RE的数目，或者平均每个PRB中不用于传输所述目标传输块的RE的数目。
  12. 根据权利要求11所述的通信设备，其特征在于，所述确定单元具体用于：
    根据与所述目标MCS对应的多个PRB数目中的所述目标PRB数目，以及第一映射关系，确定与所述目标PRB数目对应的资源开销组，所述第一映射关系用于表示所述多个PRB数目与多组资源开销之间的对应关系；
    在与所述资源开销组中的多个资源开销对应的多个TBS中，确定与所述目标PRB资源开销对应的TBS为所述目标TBS。
  13. 根据权利要求11所述的通信设备，其特征在于，所述确定单元具体用于：
    根据与所述目标MCS对应的多个PRB数目中的所述目标PRB数目，以及第一映射关系，确定与所述目标PRB数目对应的资源开销组，所述第一映射关系用于表示所述多个PRB数目与多组资源开销之间的对应关系；
    在所述资源开销组中的多个资源开销中，确定大于或等于所述目标PRB资源开销的至少一个资源开销；
    确定所述至少一个资源开销中的最小资源开销所对应的TBS为所述目标TBS。
  14. 根据权利要求10所述的通信设备，其特征在于，所述PRB资源开销的信息包括所述目标PRB资源开销的比例，
    其中，所述目标PRB资源开销的比例包括具有所述目标PRB数目的全部PRB中不用于传输所述数据的RE在所述全部PRB的RE总数中所占的比例，或者平均每个PRB中不用于传输所述数据的RE在所述每个PRB的RE总数中所占的比例。
  15. 根据权利要求14所述的通信设备，其特征在于，所述确定单元具体用于：
    根据所述目标PRB数目和所述目标PRB资源开销的比例，确定第一PRB数目；
    根据与所述目标MCS对应的多个PRB数目中的所述第一PRB数目，以及第二映射关系，确定与所述第一PRB数目对应的TBS为所述目标TBS，所述第二映射关系用于表示所述多个PRB数目与多个TBS之间的对应关系。
  16. 根据权利要求15所述的通信设备，其特征在于，所述确定单元具体用于：
    根据所述目标PRB数目，以及所述目标PRB资源开销的比例，确定所述第一PRB数目等于(1-P)×N，其中N为所述目标PRB数目，P为所述目标PRB资源开销的比例。
  17. 根据权利要求10至16中任一项所述的通信设备，其特征在于，所述通信设备为终端设备，所述传输单元还用于：
    接收网络设备发送的所述传输参数。
  18. 根据权利要求10至16中任一项所述的通信设备，其特征在于，所述通信设备为网络设备，所述传输单元还用于：
    向终端设备发送所述传输参数。
PCT/CN2017/070326 2017-01-05 2017-01-05 传输数据的方法和通信设备 WO2018126414A1 (zh)

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AU2017391789A1 (en) 2019-08-01
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PH12019501596A1 (en) 2020-03-02
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SG11201906272RA (en) 2019-08-27
BR112019013906A2 (pt) 2020-02-04
CN111092693A (zh) 2020-05-01
TWI694698B (zh) 2020-05-21
RU2719461C1 (ru) 2020-04-17
CN110115084A (zh) 2019-08-09
TW201826768A (zh) 2018-07-16
EP3554162A4 (en) 2019-12-04
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MX2019008157A (es) 2019-09-13
US11489617B2 (en) 2022-11-01

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