CN106982172A - Determine the method and communication equipment of polarization code transport block size - Google Patents

Determine the method and communication equipment of polarization code transport block size Download PDF

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Publication number
CN106982172A
CN106982172A CN201610031399.9A CN201610031399A CN106982172A CN 106982172 A CN106982172 A CN 106982172A CN 201610031399 A CN201610031399 A CN 201610031399A CN 106982172 A CN106982172 A CN 106982172A
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block size
current
relation information
mapping relation
current transmission
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CN106982172B (en
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沈晖
李斌
陈凯
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to PCT/CN2016/108803 priority patent/WO2017124844A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/36—Flow control; Congestion control by determining packet size, e.g. maximum transfer unit [MTU]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/27—Evaluation or update of window size, e.g. using information derived from acknowledged [ACK] packets

Abstract

The embodiments of the invention provide a kind of method and communication equipment for determining polarization code transport block size, this method includes：Determine the current code check and current transmission block size index of polarization code；According to the current code check of the polarization code, current transmission block size index, current transmission resource and default first mapping relation information set, determine current transmission block size, wherein, the first mapping relation information set includes at least one mapping relation information, the polarization code code check that each mapping relation information in the first mapping relation information set includes each mapping relations is corresponding, the corresponding relation of transport block size index and transport block size under different transfer resources.The embodiment of the present invention can realize the determination of transport block size under current code check, and then can effectively carry out the coding and decoding of polarization code.

Description

Determine the method and communication equipment of polarization code transport block size
Technical field
The present invention relates to the communications field, more particularly to a kind of method for determining polarization code transport block size and logical Believe equipment.
Background technology
Communication system generally improves the reliability of data transfer using channel coding, it is ensured that the quality of communication. Polarization (Polar) code is can to obtain Shannon capacity and the coded system with low encoding and decoding complexity.Polar Code is a kind of linear block code.Its generator matrix is GN., its cataloged procedure isWherein,It is a binary row vector,Code length N=2n, n >=0.
BNIt is N × N transposed matrix, such as bit reversal (bit reversal) square Battle array.It is F2Kronecker power (Kronecker power), be defined as
During the coding and decoding of Polar codes,In a part of bit be used for carry information, referred to as information Bit, the set of the sequence number of these information bits is denoted as A；It is pre- that other a part of bit is set to sending and receiving end The fixed value first arranged, referred to as fixed bit, the collection of its sequence number share A supplementary set AcRepresent.No Generality is lost, these fixed bits are typically set to 0.In fact it is only necessary to sending and receiving end is made an appointment, Fixed bit sequence can be arranged generally randomly.So as to which the sequences of code bits of Polar codes can be by as follows Method is obtained：HereForIn information bit set,For length K row Vector, i.e.,| | the number of element in set is represented, i.e. K represents the number of element in set A, The quantity of information bit to be encoded is also illustrated that,It is matrix GNIn by the index pair in set A The submatrix that those rows answered are obtained,It is K × N matrix.Set A selection is determined The performances of Polar codes.
During the coding and decoding of Polar codes, the channel that scheduling and resource management module feed back according to receiving terminal The information such as status information and workable physical channel resources, determines the size of transmission block；Transmission block is big Small and CRC (Cyclic Redundancy Check, CRC) bit sum can be upper The quantity for the information bit stated.Encoder is compiled according to transport block size to message sequence waiting for transmission Code.Similarly, decoder is decoded accordingly also according to transport block size to the channel to receiving.
In such as LTE system, for existing Turbo code, because female code of Turbo code is solid Constant bit rate, code check is 1/3；Code length flexibly changes.For Physical Downlink Shared Channel (Physical Downlink Shared Channel, PDSCH) for, MCS indexes and transmitting block index (TBS Index) there is mapping relation information 1.Transmitting block index, transfer resource size NPRBIt is big with transmission block It is small that there is mapping relation information 2.So, scheduling and resource management module can be according to current MCS Index search mapping relation information 1 obtains transmitting block index (TBS Index), then searches above-mentioned mapping Relation information 2 determines current transport block size.
However, because the code check of polarization code can change, when code check changes, above-mentioned mapping is closed It is that information also changes therewith, therefore, in Polar coding and decodings, it is impossible to effectively according to similar existing The method of Turbo code determines the mode of transport block size to determine Polar transmission block.
Therefore, the transport block size of Polar codes how is effectively determined, as urgent problem to be solved.
The content of the invention
The embodiment of the present invention provides a kind of method and communication equipment for determining polarization code transport block size, the party Method can effectively determine the transport block size of Polar codes.
First aspect there is provided it is a kind of determine polarization code transport block size method, including：
Determine the current code check and current transmission block size index of polarization code；
According to the current code check of the polarization code, current transmission block size index, current transmission resource and default The first mapping relation information set, determine current transmission block size, wherein, first mapping relations letter Breath set includes at least one mapping relation information, each mapping in the first mapping relation information set The polarization code code check that relation information includes each mapping relations is corresponding, the transmission under different transfer resources Block size indexes the corresponding relation with transport block size.
Therefore, the embodiment of the present invention indexed by the current code check of polarization code, current transmission block size, when Preceding transfer resource and mapping relation information set, determines current transmission block size, realizes under current code check The determination of transport block size, and then can be encoded or be decoded according to the transport block size.
That is the embodiment of the present invention, in the case where not increasing the signaling of air interface transmission, realizes and works as The determination of transport block size under preceding code check, and then can be encoded or be decoded according to the transport block size.
It should be understood that current transmission resource is referred to as transmitting the physical resource of current transmission block.The present invention Each mapping relation information one code check of correspondence in the first mapping relation information set in embodiment, reflects The form that relation information can be form is penetrated, in other words, a mapping relation information can be at one Under different transfer resources under code check, different transport block size index is corresponding with transport block size to close System, in other words, a mapping relation information can be the different transmission under different transport block size index The form of the corresponding relation of block size and transfer resource.First mapping relation information set can include one Mapping relation information, the corresponding code check of a mapping relation information is properly termed as base code check；First mapping Relation information set can also include multiple mapping relation informations, the multiple codes of multiple mapping relation information correspondences Rate.The corresponding code check of different mapping relation informations is different, in other words, multiple mapping relation informations with Multiple code checks have one-to-one relation.
It should be understood that the mapping relation information in the embodiment of the present invention, is prestored for polarization code coding/decoding end Good information, the mapping relation information can have many forms, as long as mapping relation information includes The polarization code code check of the mapping relations is corresponding, transport block size and biography under different transport block size index The corresponding relation of defeated resource, the embodiment of the present invention is limited not to this.
With reference in a first aspect, in a kind of implementation of first aspect, the determination polarization code works as former code Rate and current transmission block size index, including：
Obtain current with this according to current modulating-coding exponent number index and default second mapping relation information Modulation order coded number indexes the current code check and current transmission block size index of the corresponding polarization code,
Wherein, second mapping relation information includes different modulating-coding exponent numbers indexes, and is adjusted with each System coding exponent number indexes corresponding code check and transport block size index.
It should be understood that current modulating-coding exponent number index can be acquired according to existing mode, the present invention Embodiment is limited not to this.That is current modulation can be obtained in the embodiment of the present invention first to compile Code exponent number index and default second mapping relation information, are then indexed according to according to current modulating-coding exponent number The polarization corresponding with the current modulating-coding exponent number index is obtained with default second mapping relation information Current code check and current transmission the block size index of code.
In the present invention is implemented, as long as the second mapping relation information includes different modulating-coding exponent number ropes Draw, and with each modulating-coding exponent number corresponding code check of index and transport block size index, the present invention Embodiment is not limited the concrete form of the second mapping relation information.
, should in another implementation of first aspect with reference to first aspect and its above-mentioned implementation First mapping relation information set includes corresponding first mapping relation information of the first polarization code code check；
This is indexed and transmission current transmission block according to current code check, the current transmission block size of the polarization code Current transmission resource and default first mapping relation information set, determine current transmission block size, wrap Include：
When code check is identical with the first polarization code code check before deserving, by first mapping relation information and It is current that current transmission block size index transport block size corresponding with the current transmission resource is defined as this Transport block size.
, should in another implementation of first aspect with reference to first aspect and its above-mentioned implementation First mapping relation information set includes corresponding first mapping relation information of the first polarization code code check；
This is indexed and transmission current transmission block according to current code check, the current transmission block size of the polarization code Current transmission resource and default first mapping relation information set, determine current transmission block size, wrap Include：
When code check is different from the first polarization code code check before deserving, according in first mapping relation information Transport block size corresponding with current transmission block size index and the current transmission resource, and work as former code Rate and the ratio of the first polarization code code check, determine the current transmission block size.
With reference to first aspect and its above-mentioned implementation, in another implementation of first aspect, when Deserve before code check it is different from the first polarization code code check when, this according in first mapping relation information and this Current transmission block size indexes corresponding with current transmission resource transport block size, and current code check with The ratio of first polarization code code check, determines the current transmission block size, including：According in below equation Any one determination current transmission block size：
TBS0=floor ((R0/R1)*TBS1)
TBS0=ceil ((R0/R1)*TBS1)
Wherein, R0Represent code check, R before deserving1Represent the first polarization code code check, TBS0Represent to deserve Preceding transport block size, TBS1Represent in first mapping relation information with the current transmission block size index Transport block size corresponding with current transmission resource, floor (A) expressions take no more than A maximum integer, Ceil (A) represents to take the smallest positive integral more than A.
In this case, coding and decoding end has prestored the first mapping relation information under base code check. In this under situation, the embodiment of the present invention has only used a mapping relation information (form), reduces and determines The size of transport block size table, can use less space to store the mapping relation information, can be efficient Determine the size of polarization code transmission block.
, should in another implementation of first aspect with reference to first aspect and its above-mentioned implementation First mapping relation information set include from the one-to-one multiple mapping relation informations of multiple different code checks,
This is indexed according to current code check, the current transmission block size of the polarization code and the current transmission of distribution is provided Source, and the first mapping relation information set, determine current transmission block size, including：
Current mapping relations corresponding with deserving preceding code check are determined from the first mapping relation information set Information；
The current transmission that will be indexed and distribute with the current transmission block size in the current mapping relation information The corresponding transport block size of resource is defined as the current transmission block size.
It should be understood that in this case, coding and decoding end has prestored the mapping relations under various code checks Information.Wherein code check can be the number more than 0 and less than 1, because the numerical value for being less than 1 more than 0 has It is infinite multiple, so, in actual applications, limited mapping can be prestored according to actual conditions and is closed It is information.For example, mapping relation information under the code check being commonly used etc. can be stored, the present invention is implemented Example is limited not to this.
Under this situation, the embodiment of the present invention stores the mapping relation information (form) under each code check, Mapping relation information corresponding with deserving preceding code check just be can determine that out by current code check, and then search this and reflected Penetrate relation information and directly determine transport block size, without calculating, mapping relation information can be searched direct Transport block size is determined, being capable of easy, the efficient size for determining polarization code transmission block.
There is provided a kind of communication equipment for determining polarization code transport block size, the communication equipment for second aspect Each mould in any implementation in first aspect and its implementation, the communication equipment can be realized The operation and/or function of block, the correlation method being respectively used in the first aspect of realization and its implementation is special Levy, for sake of simplicity, will not be repeated here.
There is provided a kind of communication equipment for determining polarization code transport block size, the communication equipment for the third aspect Memory and processor including store instruction, wherein, the computing device instruction carries out such as first party The method that any of face and its various implementations determine transport block size.
Fourth aspect is applied in communication system there is provided a kind of processing unit, the processing unit.At this It can be one or more processors or chip to manage device.In the case of other are possible, the processing unit Can be the entity apparatus or virtual bench in communication system.It is above-mentioned that the processing unit is arranged to execution The method that any of first aspect and its various implementations determine transport block size.
5th aspect is there is provided a kind of computer program product, and the computer program product includes：Calculate Machine program code, when the computer program code is by the computing unit, processing unit or processing of communication equipment When device is run so that the communication equipment performs any of above-mentioned first aspect and its various implementations The method for determining transport block size.
6th aspect is there is provided a kind of computer-readable recording medium, and the computer-readable recording medium is deposited Program is contained, the program causes communication equipment to perform times in above-mentioned first aspect and its various implementations A kind of method for determining transport block size.
Based on above-mentioned technical proposal, current code check, current transmission block of the embodiment of the present invention by polarization code Size index, current transmission resource and mapping relation information set, determine current transmission block size, realize The determination of transport block size under current code check, and then can be encoded or be translated according to the transport block size Code.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in the embodiment of the present invention The required accompanying drawing used is briefly described, it should be apparent that, drawings described below is only this Some embodiments of invention, for those of ordinary skill in the art, are not paying creative work Under the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the wireless communication system schematic diagram of one embodiment of the invention.
Fig. 2 is the schematic block diagram for the communication equipment that the present invention is implemented.
Fig. 3 is the schematic flow of the method for determination transport block size according to an embodiment of the invention Figure.
Fig. 4 is the signal according to an embodiment of the invention for being used to determine the communication equipment of transport block size Block diagram.
Fig. 5 is the signal according to another embodiment of the present invention for being used to determine the communication equipment of transport block size Block diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out Clearly and completely describe, it is clear that described embodiment is a part of embodiment of the present invention, without It is whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound The every other embodiment that the property made is obtained on the premise of working, should all belong to the scope of protection of the invention.
The embodiment of the present invention can be applied to various communication systems, therefore, and following description is not restricted to specific Communication system.Global system for mobile telecommunications (Global System of Mobile communication, referred to as " GSM ") system, CDMA (Code Division Multiple Access, referred to as " CDMA ") System, WCDMA (Wideband Code Division Multiple Access, abbreviation " WCDMA ") system, GPRS (General Packet Radio Service, letter Claim " GPRS "), Long Term Evolution (Long Term Evolution, referred to as " LTE ") system, LTE FDD (Frequency Division Duplex, referred to as " FDD ") system, LTE time division duplexs (Time Division Duplex, referred to as " TDD "), UMTS (Universal Mobile Telecommunication System, referred to as " UMTS ") etc..Base station in above-mentioned system or Person's terminal can use this using traditional Turbo code, the information of LDPC code coded treatment or data Polar codes coding in embodiment.
Wherein, base station can be the equipment for being communicated with terminal device, for example, it may be GSM System or the base station (Base Transceiver Station, BTS) in CDMA or WCDMA Base station (NodeB, NB) in system, can also be the evolved base station (Evolutional in LTE system Node B, eNB or eNodeB), or the base station can for relay station, access point, mobile unit, Network side equipment in wearable device and future 5G networks etc..
Terminal can be through wireless access network (Radio Access Network, RAN) with it is one or more Core net is communicated, terminal can refer to user equipment (User Equipment, UE), access terminal, Subscriber unit, subscriber station, movement station, mobile station, remote station, remote terminal, mobile device, user Terminal, Wireless Telecom Equipment, user agent or user's set.Access terminal can be cell phone, nothing Rope phone, session initiation protocol (Session Initiation Protocol, SIP) phone, Wireless Local Loop Road (Wireless Local Loop, WLL) is stood, personal digital assistant (Personal Digital Assistant, PDA), the handheld device with radio communication function, computing device or it is connected to radio modem Other processing equipments, mobile unit, wearable device, the terminal device in following 5G networks etc..
Fig. 1 shows the wireless communication system 100 according to various embodiments described herein.System 100 Including base station 102, the latter may include multiple antenna sets.For example, an antenna sets may include antenna 104 With 106, another antenna sets may include antenna 108 and 110, and additional group may include antenna 112 and 114. 2 antennas are shown for each antenna sets, but more or less antennas can be used for each group. Base station 102 can additionally include transmitter chain and receiver chain, it will appreciated by the skilled person that They may each comprise sends and receives related multiple parts to signal, for example processor, modulator, multiple With device, demodulator, demultiplexer or antenna etc..
Base station 102 can be with one or more access terminals, such as access terminal 116 and access terminal 122 communications.However, it is to be appreciated that base station 102 can with similar to access terminal 116 and 122 Substantially any number of access terminal communication.Access terminal 116 and 122 can be such as cell phone, Smart phone, portable computer, handheld communication devices, handheld computing device, satellite radio, Global positioning system, PDA and/or for communicated on wireless communication system 100 it is any other be adapted to Equipment.As illustrated, access terminal 116 communicates with antenna 112 and 114, wherein antenna 112 and 114 Information is sent to access terminal 116 by forward link 118, and it is whole from access by reverse link 120 Hold 116 receive informations.In addition, access terminal 122 communicates with antenna 104 and 106, wherein antenna 104 With 106 by forward link 124 to access terminal 122 send information, and by reverse link 126 from The receive information of access terminal 122.In FDD, (Frequency Division Duplex are referred to as " FDD ") in system, for example, forward link 118 using with used in reverse link 120 not Same frequency band, forward link 124 using with different frequency bands used in reverse link 126.In addition, In time division duplex (Time Division Duplex, referred to as " TDD ") system, forward link 118 Common frequency band can be used with reverse link 120, forward link 124 and reverse link 126 can be used altogether Same frequency band.
The every group of antenna and/or region that are designed to communication are referred to as the sector of base station 102.For example, can be by Antenna sets are designed as communicating with the access terminal in the sector of the overlay area of base station 102.Passing through forward chaining In the communication on road 118 and 124, the transmitting antenna of base station 102 can be improved using beam forming for connecing Enter the signal to noise ratio of the forward link 118 and 124 of terminal 116 and 122.In addition, passing through with base station single Antenna is sent to its all access terminal and compared, and beam forming is utilized in base station 102 to associated coverage areas When the access terminal 116 and 122 of random dispersion is sent in domain, mobile device in neighbor cell can be by Less interference.
In preset time, base station 102, access terminal 116 and/or access terminal 122 can send nothing Line communicator and/or reception radio communication device.When sending out data, sending radio communication device can be right Data are encoded for transmission.Specifically, sending radio communication device can have, such as generation, Obtain, preserve in memory etc., to be sent by channel to the certain amount for receiving radio communication device Information bit.This information bit can be included in the transmission block or multiple transmission blocks of data, and it can quilt It is segmented to produce multiple code blocks.Polarity code coder can be used to come to every in addition, sending radio communication device Individual code block coding, to improve the reliability of data transfer, and then ensures communication quality.
Fig. 2 shows the system 200 for the method for being applicable the transmission data of the present invention in a wireless communication environment Schematic block diagram.System 200 includes Wireless Telecom Equipment 202, and the Wireless Telecom Equipment 202 is shown It is shown as sending data via channel.While shown as sending data, but Wireless Telecom Equipment 202 can also be through By channel received data, for example, Wireless Telecom Equipment 202 can send and receive data, channel radio simultaneously Letter equipment 202 can not send and receive data, or its combination etc. in the same time.Wireless Telecom Equipment 202 For example can be base station, such as Fig. 1 base station 102；The access terminal of access terminal, such as Fig. 1 116th, Fig. 1 access terminal 122 etc..
Wireless Telecom Equipment 202 may include Polarization Coding device 204, rate matching apparatus 205, emitter 206.Alternatively, when Wireless Telecom Equipment 202 is via channel received data, the Wireless Telecom Equipment 202 can also include a receiver, and the receiver can be with individualism, can also be with emitter 206 Integrate to form a transceiver.
Wherein, Polarization Coding device 204 is used to compile the data to transmit from radio communication device 202 Code, specifically block encoding, are then described in detail to the process, obtain targeted packets code word.
Rate matching apparatus 205, for being interleaved to the targeted packets code word and rate-matched etc., with Generate the output bit interweaved.
In addition, emitter 206 can be then after the processing of rate matching apparatus 205 be crossed in the channel upload warp let-off Output bit by rate-matched.For example, emitter 206 related data can be sent to it is other not Same radio communication device.
Fig. 3 is the method indicative flowchart of determination transport block size according to an embodiment of the invention. Method as shown in Figure 3 can be performed by communication equipment, the communication equipment, for example, can be encoding device, Can also be decoding equipment, or transmitting terminal or receiving terminal, the communication equipment can be that base station can also It is terminal, the embodiment of the present invention is limited not to this.
Specifically, method 300 as shown in Figure 3 includes：
310, determine the current code check and current transmission block size index of polarization code.
320, according to the current code check of the polarization code, current transmission block size index, current transmission resource With default first mapping relation information set, current transmission block size is determined, first mapping relations letter Breath set includes at least one mapping relation information, each mapping relations in the mapping relation information set The polarization code code check that information includes each mapping relations is corresponding, under different transfer resources, transmission block The corresponding relation of size index and transport block size.
Therefore, the embodiment of the present invention indexed by the current code check of polarization code, current transmission block size, when Preceding transfer resource and mapping relation information set, determines current transmission block size, realizes under current code check The determination of transport block size, and then can be encoded or be decoded according to the transport block size.
That is the embodiment of the present invention, in the case where not increasing the signaling of air interface transmission, realizes and works as The determination of transport block size under preceding code check, and then can be encoded or be decoded according to the transport block size.
Specifically, communication equipment can obtain the first mapping relation information set in advance, then first have to The current code check and current transmission block size index of polarization code are determined, former code is then worked as according to the polarization code Rate, current transmission block size index, current transmission resource and default first mapping relation information set, Current transmission block size is determined, and then polarization code coding or decoding are carried out according to the current transmission block size. Therefore, the current code check, current transmission block size index, distribution that the embodiment of the present invention passes through polarization code Current transmission resource and mapping relation information set, determine current transmission block size, realize polarization code and work as The determination of transport block size under preceding code check.
It should be understood that the current transmission resource in the embodiment of the present invention is referred to as transmitting current transmission block Physical resource.Communication equipment can determine the size of current transmission resource according to existing method, for example, Current transmission resource etc. can be determined according to the instruction of PDSCH channels, the embodiment of the present invention is not to this Limit.
It should be understood that each mapping relations letter in the first mapping relation information set in the embodiment of the present invention Breath one code check of correspondence, mapping relation information can be the form of form, in other words, and a mapping is closed Be information can under different transfer resources under a code check, different transport block size index with The corresponding relation of transport block size, in other words, a mapping relation information can be big for different transmission blocks The form of the corresponding relation of different transport block sizes and transfer resource under small index.First mapping relations are believed A mapping relation information can be included by ceasing set, and the corresponding code check of a mapping relation information can claim For base code check；First mapping relation information set can also include multiple mapping relation informations, multiple mappings The multiple code checks of relation information correspondence.The corresponding code check of different mapping relation informations is different, in other words, Multiple mapping relation informations have one-to-one relation with multiple code checks.
It should be understood that the mapping relation information in the embodiment of the present invention, is prestored for polarization code coding/decoding end Good information, the mapping relation information can have many forms, as long as mapping relation information includes The polarization code code check of the mapping relations is corresponding, transport block size and biography under different transport block size index The corresponding relation of defeated resource, the embodiment of the present invention is limited not to this.For example the mapping relations are believed Breath can be form of a string of numerical value or form etc..For example, when mapping relation information is form Form when, be, in a certain code check, to believe for example, code check is 1/2 lower mapping relations as shown in table 1 Breath.Wherein, the I in table 1TBSTransport block size index number is represented, value is 0-26；NPRBRepresent to pass Defeated resource size, for example, represent the number of Physical Resource Block, value is 1-10；Other values in form The size of correspondence transmission block is represented, for example, working as ITBSFor 0, and NPRBFor 1 when, corresponding transmission block Size is 16 bits.Work as ITBSFor 1, and NPRBFor 2 when, corresponding transport block size be 56 bits Deng.It should be understood that table 1 is exemplary, the value of transport block size can be according to actual feelings in table 1 Depending on condition, the embodiment of the present invention is limited not to this.N in table 1PRBCan also be other values, Such as NPRBCan be using value as 11,12 ... etc., the embodiment of the present invention is not limited to this.
Table 1
In other words, when the mapping relations in the embodiment of the present invention are form, in embodiments of the present invention Then first have to determine the current code check and current transmission block size index of polarization code, then basis should Current code check to polarization code, current transmission block size index, and transmission current transmission block work as forward pass The corresponding form of defeated resource lookup, and then current transmission block size is determined, so that according to the current transmission block Size carries out polarization code coding or decoding.Therefore, the embodiment of the present invention by the current code check of polarization code, Current transmission block size index, the current transmission resource of distribution and mapping relation information set, it is determined that currently Transport block size, realizes the determination of transport block size under the current code check of polarization code.
It should also be understood that in 310, the current code check of polarization code being determined according to existing method and is worked as Preceding transport block size index, can also be according to default second mapping relation information in the embodiment of the present invention Current code check and current transmission block size index are determined, the embodiment of the present invention is not limited to this.
Alternatively, as another example example, in 310, according to current modulating-coding exponent number index and in advance If the second mapping relation information obtain and the corresponding polarization code of current modulating-coding exponent number index Current code check and current transmission block size index, wherein, second mapping relation information includes different tune System coding exponent number index, and with each modulating-coding exponent number corresponding code check of index and transport block size rope Draw.
It should be understood that current modulating-coding exponent number index can be acquired according to existing mode, the present invention Embodiment is limited not to this.That is current modulation can be obtained in the embodiment of the present invention first to compile Code exponent number index and default second mapping relation information, are then indexed according to according to current modulating-coding exponent number The polarization corresponding with the current modulating-coding exponent number index is obtained with default second mapping relation information Current code check and current transmission the block size index of code.
In the present invention is implemented, as long as the second mapping relation information includes different modulating-coding exponent number ropes Draw, and with each modulating-coding exponent number corresponding code check of index and transport block size index, the present invention Embodiment is not limited the concrete form of the second mapping relation information.For example can be a string of numerical value, Can also be form of form etc., for example, default second mapping relation information can be the form of form, For example, as shown in table 2, table 2 be modulating-coding exponent number index (MCS index), code check (Rate, ) and transport block size index (TBS Index, I RTBS) corresponding relation, wherein, modulating-coding rank The value of number index is is followed successively by 0-9, and modulating-coding exponent number index 1-9 distinguishes corresponding modulation system (Modulation) for BPSK, QPSK, QPSK, 16-QAM, 16-QAM, 64-QAM, 64-QAM、64-QAM、256-QAM、256-QAM；The value of corresponding code check successively is 1/2-5/6； Corresponding transport block size index ITBSValue be followed successively by 1-10.
It should be understood that table 2 is exemplary, every specific value can be according to actual conditions in table 2 To determine, the embodiment of the present invention is not limited to this.
Table 2
A mapping relation information, and the first mapping will be included for the first mapping relation information set below Relation information set includes multiple mapping relation informations, and both of these case describes implementation of the present invention in detail respectively How the size of transmission block is determined in example.
The first situation, i.e. the first mapping relation information set include a mapping relation information, here Referred to as the first mapping relation information, for example, the first mapping relation information set includes the first polarization code check (i.e. base code check) corresponding first mapping relation information；
In 320, when code check is identical with the first polarization code code check before deserving, first mapping is closed It is transport block size determination corresponding with current transmission block size index and current transmission resource in information For the current transmission block size；
For example, the first polarization code check is 1/2, the first mapping relation information is shown in table 1.When working as former code Rate also be 1/2 when, then can will in first mapping relation information with the current transmission block size index and The corresponding transport block size of current transmission resource is defined as the current transmission block size；For example, when work as Preceding transport block size index is 5, and current transmission resource is 5 Physical Resource Block (Physical Resource Block, PRB), then using look-up table 1 current transmission block size can be determined as 424 bits.
Alternately, in 320, when code check is different from the first polarization code code check before deserving, according to It is corresponding with current transmission block size index and current transmission resource in first mapping relation information to pass Defeated block size, and the currently ratio of code check and the first polarization code code check, determine the current transmission block size.
Further, when code check is different from the first polarization code code check before deserving, this first reflects according to this Penetrate transmission corresponding with current transmission block size index and the current transmission resource distributed in relation information Block size, and the currently ratio of code check and the first polarization code code check, determine the current transmission block size, It can include：Any one determination current transmission block size in below equation：
TBS0=floor ((R0/R1)*TBS1)
TBS0=ceil ((R0/R1)*TBS1)
Wherein, R0Represent current code check, R1Represent the first polarization code code check, TBS0Represent current transmission Block size, TBS1Represent in first mapping relation information with the current transmission block size index and currently The corresponding transport block size of transfer resource, floor (A) represents to take no more than A maximum integer, ceil (A) Represent to take the smallest positive integral more than A.
For example, the first polarization code check R1For 1/2, the first mapping relation information is shown in table 1.When current Code check R0For 3/5, current transmission block size index is 5, then can be with when current transmission resource is 5PRB Current transmission block size is determined according to above-mentioned formula, specifically, first according to current transmission block size rope Draw 5, Current resource is 5PRB, then TBS can be determined with look-up table 11For 424 bits, and then, can With according to formula TBS0=floor ((R0/R1)*TBS1) determine current transmission block size TBS0For 508 ratios It is special.Or can be according to formula TBS0=ceil ((R0/R1)*TBS1) determine current transmission block size TBS0 For 509 bits.
It should be understood that in this case, the first mapping that coding and decoding end has been prestored under base code check is closed It is information.In this under situation, the embodiment of the present invention has only used a mapping relation information (form), The size for determining transport block size table is reduced, less space can be used to store the mapping relation information, energy Enough sizes for efficiently determining polarization code transmission block.
It should be noted that the example of the above-mentioned determination current transmission block size formula is just for the sake of help this area Technical staff understands the embodiment of the present invention, and the embodiment of the present invention have to be limited to illustrated concrete numerical value Or concrete scene.Those skilled in the art are according to actual conditions, it is clear that can carry out various modifications of equal value Or change, as long as current code check, the magnitude relationship of the first polarization code code check are used, for example, making Calculated with the deformation such as current code check and difference, product of the first polarization code code check, such modification or Change is also fallen into the range of the embodiment of the present invention.
Second of situation, i.e. the first mapping relation information set include multiple mapping relation informations, that is, Say that mapping relation information includes the biography under under various code checks, different transport block size index in this case The corresponding relation of defeated block size and transfer resource.
Specifically, as another embodiment, the first mapping relation information set includes and multiple different codes The one-to-one multiple mapping relation informations of rate,
In 320, it can be determined from the first mapping relation information set corresponding with deserving preceding code check Current mapping relation information；
It will be indexed and current transmission resource pair with the current transmission block size in the current mapping relation information The transport block size answered is defined as the current transmission block size.
It should be understood that in this case, coding and decoding end has prestored the mapping relations under various code checks Information.Wherein code check can be the number more than 0 and less than 1, because the numerical value for being less than 1 more than 0 has It is infinite multiple, so, in actual applications, limited mapping can be prestored according to actual conditions and is closed It is information.For example, mapping relation information under the code check being commonly used etc. can be stored, the present invention is implemented Example is limited not to this.
Wherein, it is to provide in the mapping relation information under 1/2, table 3 below that code check is given in table 1 Mapping relation information under another code check, for example, code check are the mapping relation information under 4/7.For It is succinct, no longer provide the mapping relation information under other code checks here.
It should be understood that corresponding with deserving preceding code check in the first mapping relation information set in the embodiment of the present invention Current mapping relation information according to current code check it is to be understood that find out (or approximate with working as with current code check The equal code check of preceding code check) under mapping relation information, and be used as current mapping relation information.
For example, when current code check is 4/7, current transmission block size index is 5, and Current resource is 5PRB When, then can according to 4/7 using table 3 as current mapping relation information, and look-up table 3 determines transmission Block size is 1320 bits.
Table 3
Under this situation, the embodiment of the present invention stores the mapping relation information (form) under each code check, Mapping relation information corresponding with deserving preceding code check just be can determine that out by current code check, and then search this and reflected Penetrate relation information and directly determine transport block size, without calculating, mapping relation information can be searched direct Transport block size is determined, being capable of easy, the efficient size for determining polarization code transmission block.
It should be noted that the example of table 1 to table 3 above is managed just for the sake of help those skilled in the art The embodiment of the present invention is solved, and the embodiment of the present invention have to be limited to illustrated concrete numerical value or specific field Scape.Those skilled in the art are according to actual conditions, it is clear that can carry out various modifications or change of equal value, Such modification or change are also fallen into the range of the embodiment of the present invention.
The side of the determination transport block size of the embodiment of the present invention is described in detail above in conjunction with Fig. 1 to Fig. 3 Method, the communication equipment of the determination transport block size of the embodiment of the present invention is described with reference to Fig. 4 to Fig. 5.
Fig. 4 is the signal according to an embodiment of the invention for being used to determine the communication equipment of transport block size Block diagram.The communication equipment, which can be used for Polar codes coding, can be used for the decoding of Polar codes, and for example this leads to Believe that equipment can be that base station can also be terminal, the embodiment of the present invention is limited not to this.It should be understood that Communication equipment 400 shown in Fig. 4 can realize the determination transport block size method being related in Fig. 3 embodiments Each process, the operation and/or function of the modules in communication equipment 400, respectively in order to realize figure Corresponding flow in embodiment of the method in 3, for details, reference can be made to the description in above method embodiment, is Avoid repeating, description is described in detail in appropriate omit herein.
Specifically, the communication equipment 400 shown in Fig. 4 includes：First acquisition unit 410 and second is determined Unit 420.
First determining unit 410 is used for the current code check for determining polarization code and current transmission block size index Second determining unit 420 is used to being indexed according to the current code check of the polarization code, current transmission block size, when Preceding transfer resource and default first mapping relation information set, determine current transmission block size, wherein, The first mapping relation information set includes at least one mapping relation information, first mapping relation information The polarization code code check that each mapping relation information in set includes each mapping relations is corresponding, different The corresponding relation of transport block size index and transport block size under transfer resource.
Therefore, the embodiment of the present invention indexed by the current code check of polarization code, current transmission block size, when Preceding transfer resource and mapping relation information set, determines current transmission block size, realizes under current code check The determination of transport block size, and then can be encoded or be decoded according to the transport block size.
Further, as another embodiment, first determining unit 410 is specifically for according to current tune System coding exponent number index and default second mapping relation information are obtained and the current modulating-coding exponent number rope Draw the current code check and current transmission block size index of the corresponding polarization code,
Wherein, second mapping relation information includes different modulating-coding exponent numbers indexes, and is adjusted with each System coding exponent number indexes corresponding code check and transport block size index.
Alternatively, as another embodiment, the first mapping relation information set includes the first polarization code code Corresponding first mapping relation information of rate；
Second determining unit 420 is specifically for identical with the first polarization code code check when deserving preceding code check When, it will be indexed and the current transmission resource pair with the current transmission block size in first mapping relation information The transport block size answered is defined as the current transmission block size；
Or, second determining unit 420 is specifically for the code check before deserving and the first polarization code code check When different, according in first mapping relation information with the current transmission block size index and the current transmission The corresponding transport block size of resource, and the currently ratio of code check and the first polarization code code check, it is determined that deserving Preceding transport block size.
Further, as another embodiment, when code check is different from the first polarization code code check before deserving, Second determining unit 420 is specifically for the current transmission block of any one determination in below equation Size：
TBS0=floor ((R0/R1)*TBS1)
TBS0=ceil ((R0/R1)*TBS1)
Wherein, R0Represent current code check, R1Represent the first polarization code code check, TBS0Represent current transmission Block size, TBS1Represent in first mapping relation information with the current transmission block size index and deserve The corresponding transport block size of preceding transfer resource, floor (A) represents to take no more than A maximum integer, ceil (A) Represent to take the smallest positive integral more than A.
Alternately, as another embodiment, the first mapping relation information set includes multiple different codes Mapping relation information under rate,
Second determining unit 420 from the first mapping relation information set specifically for determining with deserving The corresponding current mapping relation information of preceding code check；The current mapping relation information and the current transmission block is big Small index transport block size corresponding with the current transmission resource of distribution is defined as the current transmission block size.
Fig. 5 is the signal according to another embodiment of the present invention for being used to determine the communication equipment of transport block size Block diagram.The communication equipment, which can be used for Polar codes coding, can be used for the decoding of Polar codes, and for example this leads to Believe that equipment can be that base station can also be terminal, the embodiment of the present invention is limited not to this.It should be understood that Communication equipment 500 shown in Fig. 5 can realize the determination transport block size method being related in Fig. 3 embodiments Each process, the operation and/or function of the modules in communication equipment 500, respectively in order to realize figure Corresponding flow in embodiment of the method in 3, for details, reference can be made to the description in above method embodiment, is Avoid repeating, description is described in detail in appropriate omit herein.
Communication equipment 500 shown in Fig. 5 includes processor 510 and memory 520.Alternatively, this leads to Letter equipment 500 can also include bus system 530.Wherein, processor 510 and memory 520 pass through Bus system 530 is connected.The memory 520 is used for store instruction, and the processor 510 is used to perform this The instruction that memory 520 is stored determines the current code check and current transmission block size index of polarization code；According to The current code check of the polarization code, current transmission block size index, current transmission resource and default first are reflected Relation information set is penetrated, current transmission block size is determined, wherein, the first mapping relation information set bag At least one mapping relation information is included, each mapping relation information in the first mapping relation information set Polarization code code check including each mapping relations is corresponding, the transport block size rope under different transfer resources Draw the corresponding relation with transport block size.
Therefore, the embodiment of the present invention is indexed by current code check, the current transmission block size of polarization code, divided The current transmission resource matched somebody with somebody and mapping relation information set, determine current transmission block size, realize current The determination of transport block size under code check, and then can be encoded or be decoded according to the transport block size.
The method that the embodiments of the present invention are disclosed can apply in processor 510, or by processor 510 realize.Processor 510 is probably a kind of IC chip, the disposal ability with signal. In implementation process, each step of the above method can be electric by the integration logic of the hardware in processor 510 The instruction of road or software form is completed.Above-mentioned processor 510 can be general processor, numeral letter Number processor (Digital Signal Processor, DSP), application specific integrated circuit (Application Specific Integrated Circuit, ASIC), field programmable gate array (Field Programmable Gate Array, ) or other PLDs, discrete gate or transistor logic, discrete hardware FPGA Component.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention. General processor can be microprocessor or the processor can also be any conventional processor etc..Knot The step of closing the method disclosed in the embodiment of the present invention can be embodied directly in hardware decoding processor execution Complete, or completion is performed with the hardware in decoding processor and software module combination.Software module can be with Positioned at random access memory (Random Access Memory, RAM), flash memory, read-only storage (Read-Only Memory, ROM), programmable read only memory or electrically erasable programmable storage In the ripe storage medium in this areas such as device, register.The storage medium is located at memory 520, processing Device 510 reads the information in memory 520, the step of completing the above method with reference to its hardware, the bus System 530 can also include power bus, controlling bus and status signal in addition to including data/address bus Bus etc..But for the sake of clear explanation, various buses are all designated as bus system 530 in figure.
Further, as another embodiment, processor 510 is specifically for according to current modulating-coding rank Number index and default second mapping relation information obtain corresponding with the current modulating-coding exponent number index Current code check and current transmission the block size index of the polarization code,
Wherein, second mapping relation information includes different modulating-coding exponent numbers indexes, and is adjusted with each System coding exponent number indexes corresponding code check and transport block size index.
Alternatively, as another embodiment, the first mapping relation information set includes the first polarization code code Corresponding first mapping relation information of rate；
The processor 510 is specifically for when code check is identical with the first polarization code code check before deserving, by this It is corresponding with current transmission block size index and the current transmission resource in first mapping relation information to pass Defeated block size is defined as the current transmission block size；
Or, the processor 510 specifically for when deserve before code check it is different from the first polarization code code check when, According in first mapping relation information with the current transmission block size index and the current transmission resource pair The transport block size answered, and the currently ratio of code check and the first polarization code code check, determine the current transmission Block size.
Further, as another embodiment, when code check is different from the first polarization code code check before deserving, The processor 510 is specifically for the current transmission block size of any one determination in below equation：
TBS0=floor ((R0/R1)*TBS1)
TBS0=ceil ((R0/R1)*TBS1)
Wherein, R0Represent current code check, R1Represent the first polarization code code check, TBS0Represent current transmission Block size, TBS1Represent in first mapping relation information with the current transmission block size index and deserve The corresponding transport block size of preceding transfer resource, floor (A) represents to take no more than A maximum integer, ceil (A) Represent to take the smallest positive integral more than A.
Alternately, as another embodiment, the first mapping relation information set includes multiple different codes Mapping relation information under rate,
The processor 510 from the first mapping relation information set specifically for determining with deserving preceding code check Corresponding current mapping relation information；The current mapping relation information and the current transmission block size are indexed Transport block size corresponding with the current transmission resource of distribution is defined as the current transmission block size.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean with During the relevant special characteristic of embodiment, structure or characteristic are included at least one embodiment of the present invention.Cause This, " in one embodiment " or " in one embodiment " occurred everywhere in entire disclosure may not Necessarily refer to identical embodiment.In addition, what these specific feature, structure or characteristics can arbitrarily be adapted to Mode is combined in one or more embodiments.It should be understood that in various embodiments of the present invention, it is above-mentioned The size of the sequence number of each process is not meant to the priority of execution sequence, the execution sequence Ying Yiqi of each process Function and internal logic are determined, any limit is constituted without tackling the implementation process of the embodiment of the present invention.
In addition, the terms " system " and " network " are often used interchangeably herein.Herein Middle term "and/or", only a kind of incidence relation for describing affiliated partner, represents there may be three kinds Relation, for example, A and/or B, can be represented：Individualism A, while there is A and B, is individually deposited In these three situations of B.In addition, character "/" herein, it is a kind of "or" to typically represent forward-backward correlation object Relation.
It should be understood that in embodiments of the present invention, " B " corresponding with A represents that B is associated with A, root B can be determined according to A.It is also to be understood that determining that B is not meant to determine only according to A according to A B, can also determine B according to A and/or other information.
Those of ordinary skill in the art are it is to be appreciated that with reference to each of the embodiments described herein description The unit and algorithm steps of example, can come real with electronic hardware, computer software or the combination of the two It is existing, in order to clearly demonstrate the interchangeability of hardware and software, in the above description according to function one As property describe the composition and step of each example.These functions are held with hardware or software mode actually OK, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel can be to each It is specific to apply to realize described function using distinct methods, but this realization is it is not considered that super Go out the scope of the present invention.
It is apparent to those skilled in the art that, it is for convenience of description and succinctly, above-mentioned The specific work process of the system of description, device and unit, may be referred to pair in preceding method embodiment Process is answered, be will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, device and Method, can be realized by another way.For example, device embodiment described above is only to show Meaning property, for example, the division of unit, only a kind of division of logic function, can have when actually realizing Other dividing mode, such as multiple units or component can combine or be desirably integrated into another and be System, or some features can be ignored, or not perform.In addition, shown or discussed coupling each other Conjunction or direct-coupling or communication connection can be the INDIRECT COUPLINGs or logical by some interfaces, device or unit Letter connection or electricity, mechanical or other forms are connected.
The unit illustrated as separating component can be or may not be physically separate, be used as list The part of member display can be or may not be physical location, you can with positioned at a place, or It can also be distributed on multiple NEs.Part therein can be selected according to the actual needs or complete Portion's unit realizes the purpose of scheme of the embodiment of the present invention.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit In or unit is individually physically present or two or more units are integrated in In one unit.Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ software The form of functional unit is realized.
Through the above description of the embodiments, it is apparent to those skilled in the art that originally Invention can be realized with hardware, or firmware is realized, or combinations thereof mode is realized.When using software When realizing, above-mentioned functions can be stored in computer-readable medium or as on computer-readable medium One or more instructions or code be transmitted.Computer-readable medium include computer-readable storage medium and Communication media, wherein communication media include being easy to transmit computer program from a place to another place Any medium.Storage medium can be any usable medium that computer can be accessed.As example but It is not limited to：Computer-readable medium can include RAM, ROM, EEPROM, CD-ROM or its His optical disc storage, magnetic disk storage medium or other magnetic storage apparatus or it can be used in carrying or store With instruction or data structure form desired program code and can by computer access it is any its His medium.In addition.Any connection can be suitably turn into computer-readable medium.If for example, software Be using coaxial cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line (DSL) or such as infrared ray, The wireless technology of radio and microwave etc is transmitted from website, server or other remote sources, then The nothing of coaxial cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared ray, wireless and microwave etc Line technology be included in belonging to medium it is fixing in.As used in the present invention, disk (Disk) and dish (disc) Including compression laser disc (CD), laser disc, laser disc, Digital Versatile Disc (DVD), floppy disk and blue light Laser disc, the replicate data of the usual magnetic of which disk, and dish is then with laser come optical replicate data.Above Combination should also be as being included within the protection domain of computer-readable medium.
In a word, the preferred embodiment of technical solution of the present invention is the foregoing is only, is not intended to limit Protection scope of the present invention.Within the spirit and principles of the invention, it is any modification for being made, equivalent Replace, improve etc., it should be included in the scope of the protection.

Claims (12)

1. a kind of method for determining polarization code transport block size, it is characterised in that including：
Determine the current code check and current transmission block size index of polarization code；
According to the current code check of the polarization code, current transmission block size index, current transmission resource and pre- If the first mapping relation information set, determine current transmission block size, wherein, it is described first mapping close It is that information aggregate includes at least one mapping relation information, it is every in the first mapping relation information set The polarization code code check that individual mapping relation information includes each mapping relations is corresponding, different transfer resources Under transport block size index and transport block size corresponding relation.
2. according to the method described in claim 1, it is characterised in that
The current code check for determining polarization code and current transmission the block size index, including：
Obtained and worked as with described according to current modulating-coding exponent number index and default second mapping relation information Preceding modulation order coded number indexes the current code check and current transmission block size index of the corresponding polarization code,
Wherein, second mapping relation information includes different modulating-coding exponent numbers and indexed, and with it is each Modulating-coding exponent number indexes corresponding code check and transport block size index.
3. method according to claim 1 or 2, it is characterised in that first mapping relations Information aggregate includes corresponding first mapping relation information of the first polarization code code check；
Current code check, the current transmission block size according to the polarization code is indexed and forward pass is worked as in transmission Defeated piece of current transmission resource and default first mapping relation information set, determine that current transmission block is big It is small, including：
When the current code check is identical with the first polarization code code check, first mapping relations are believed Transport block size corresponding with current transmission block size index and the current transmission resource is true in breath It is set to the current transmission block size.
4. method according to claim 1 or 2, it is characterised in that first mapping relations Information aggregate includes corresponding first mapping relation information of the first polarization code code check；
Current code check, the current transmission block size according to the polarization code is indexed and forward pass is worked as in transmission Defeated piece of current transmission resource and default first mapping relation information set, determine that current transmission block is big It is small, including：
When the current code check is different from the first polarization code code check, according to first mapping relations Transport block size corresponding with current transmission block size index and the current transmission resource in information, And the ratio of current code check and the first polarization code code check, determine the current transmission block size.
5. method according to claim 4, it is characterised in that
It is described when the current code check is different from the first polarization code code check, according to described first mapping Transmission block corresponding with current transmission block size index and the current transmission resource in relation information Size, and the currently ratio of code check and the first polarization code code check, determine the current transmission block size, Including：Current transmission block size described in any one determination in below equation：
TBS0=floor ((R0/R1)*TBS1)
TBS0=ceil ((R0/R1)*TBS1)
Wherein, R0Represent the current code check, R1Represent the first polarization code code check, TBS0Represent The current transmission block size, TBS1Represent in first mapping relation information with the current transmission Block size indexes transport block size corresponding with current transmission resource, and floor (A) represents to take no more than A's Maximum integer, ceil (A) represents to take the smallest positive integral more than A.
6. method according to claim 1 or 2, it is characterised in that first mapping relations Information aggregate include from the one-to-one multiple mapping relation informations of multiple different code checks,
What current code check, the current transmission block size according to the polarization code was indexed and distributed works as forward pass Defeated resource, and the first mapping relation information set, determine current transmission block size, including：
Current mapping corresponding with the current code check is determined from the first mapping relation information set Relation information；
It is current by what is indexed and distribute with the current transmission block size in the current mapping relation information The corresponding transport block size of transfer resource is defined as the current transmission block size.
7. a kind of communication equipment, it is characterised in that including：
First determining unit, current code check and current transmission block size index for determining polarization code；
Second determining unit, indexed for the current code check according to the polarization code, current transmission block size, Current transmission resource and default first mapping relation information set, determine current transmission block size, wherein, The first mapping relation information set includes at least one mapping relation information, first mapping relations Each mapping relation information in information aggregate includes the polarization code code check correspondence of each mapping relations , the corresponding relation of transport block size index and transport block size under different transfer resources.
8. communication equipment according to claim 7, it is characterised in that
First determining unit is specifically for according to current modulating-coding exponent number index and default second Mapping relation information obtains the current of the polarization code corresponding with the current modulating-coding exponent number index Code check and current transmission block size index,
Wherein, second mapping relation information includes different modulating-coding exponent numbers and indexed, and with it is each Modulating-coding exponent number indexes corresponding code check and transport block size index.
9. the communication equipment according to claim 7 or 8, it is characterised in that first mapping Relation information set includes corresponding first mapping relation information of the first polarization code code check；
Second determining unit is specifically for when the current code check and the first polarization code code check phase Meanwhile, will be in first mapping relation information with current transmission block size index and described working as forward pass The corresponding transport block size of defeated resource is defined as the current transmission block size.
10. the communication equipment according to claim 7 or 8, it is characterised in that first mapping Relation information set includes corresponding first mapping relation information of the first polarization code code check；
Second determining unit specifically for when the current code check and the first polarization code code check not Meanwhile, according in first mapping relation information with the current transmission block size index and it is described currently The corresponding transport block size of transfer resource, and the currently ratio of code check and the first polarization code code check, it is determined that The current transmission block size.
11. communication equipment according to claim 10, it is characterised in that
Second determining unit specifically for when the current code check and the first polarization code code check not Meanwhile, current transmission block size described in any one determination in below equation：
TBS0=floor ((R0/R1)*TBS1)
TBS0=ceil ((R0/R1)*TBS1)
Wherein, R0Represent current code check, R1Represent the first polarization code code check, TBS0Represent current transmission Block size, TBS1Represent in first mapping relation information with the current transmission block size index and The corresponding transport block size of the current transmission resource, floor (A) represents to take no more than A maximum integer, Ceil (A) represents to take the smallest positive integral more than A.
12. the communication equipment according to claim 7 or 8, it is characterised in that first mapping Relation information set includes the mapping relation information under multiple different code checks,
Second determining unit from the first mapping relation information set specifically for determining and institute State the corresponding current mapping relation information of current code check；By the current mapping relation information with it is described current Transport block size index transport block size corresponding with the current transmission resource of distribution is defined as described current Transport block size.
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