CN108462560A - One kind being used for the cascade coding and decoding method of polarization code - Google Patents
One kind being used for the cascade coding and decoding method of polarization code Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/13—Linear codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
Abstract
The invention discloses one kind being used for the cascade coding and decoding method of polarization code, specific steps：(1) selected section information bit is grouped code and is encoded；(2) sub-channel index value is ranked up；(3) check bit and information bit are ranked up；(4) polarization code coding is carried out；(5) channel receiving terminal will receive signal and input list decoding device into row decoding；(6) the maximum path of L items decoding correct probability in list decoding device is verified；(7) the final decoding result of decoder output.Selected section information bit of the present invention is grouped code coding, by the check bit in block code code word with after information bit sequence, carries out polarization code coding, channel receiving terminal verifies each path in list decoding device using check bit.Present invention reduces polarization code encoder complexities, promote the decoding performance of polarization code.
Description
Technical field
The invention belongs to field of communication technology, the one kind further related in wireless communication technology field is used for polarization code
Cascade coding and decoding method.The present invention by the way that block code and polarization code are cascaded, so that the encoder complexity of polarization code is reduced,
It decodes accuracy to be promoted, can be used for the coding and decoding method of polarization code in cellular communication, satellite communication and military system.
Background technology
When polarization code code length tends to be infinite, the arbitrary brief biography of error probability in binary discrete memoryless channel(DMC) may be implemented
It is defeated.Since the code length used during actual transmissions is limited, this will cause certain subchannels of polarization code that cannot fully polarize, and
Easily there is mistake when the information bit transmitted in these subchannels is in decoding.In order to improve the globality of the information transmission system
Can, it needs a kind of suitable for the cascade coding and decoding method of the long polarization code of middle short code.Cascade polarization code is that a kind of effectively promoted is polarized
The mode of code performance.Currently, the first cascade coding and decoding method of cascade polarization code is the polarization code of cyclic redundancy check auxiliary
Coding and decoding method.Second of cascade coding and decoding mode is verification cascade polarization code encoding method
Paper " CRC-Aided Decoding of Polar Codes " (IEEE that Kai Niu et al. are delivered at it
Communications Letters,2012,16(10):A kind of cyclic redundancy check code cascade pole is proposed in 1668-1671)
Change the coding and decoding method of code.This method first carries out cyclic redundancy check to whole information sequences, then will be after cyclic redundancy check
The check bit and prime information sequence of generation carry out polarization code coding together.The receiving terminal of channel is using list decoding device to cascade
Polarization code is into row decoding, and after the completion of the decoding stage, decoder is to the decoding result point that is stored in each path that preserves
Cyclic redundancy check is not carried out, and selects that final output can be used as by verification and the highest paths of correct probability.It should
Shortcoming existing for method is：Whole information bits is subjected to cyclic redundancy check, increases encoder complexity and decoding
Complexity.
The Central China University of Science and Technology carries in the patent document " a kind of verification cascade polarize code encoding method and system " of its application
A kind of verification cascade polarization code encoding method is gone out.This method is using check bit encoder to be selected to input information bits sequence
It is encoded, to the information bit of each input, exports multiple check bits to be selected, selected from these check bits to be selected
One is used as check bit, and polarization code is cascaded into row decoding to this verification using improved SCL decoding algorithms.This method exists
Shortcoming be to export multiple check bits to be selected, need extra calculating step to select check bit to be selected, deposit
In the selection result for making polarization code performance decline.
Invention content
The purpose of the present invention is in view of the deficiency of the prior art, provide a kind of cascade compiling for polarization code
Code method, can be effectively reduced encoder complexity, improve decoding accuracy.
Realize that the thinking of the object of the invention is that, using classical block code as outer code, polarization code is as Internal Code.Only selector
Divide information bit to be grouped code coding, and the check bit that block code coding generates is subjected to polarization code together with information bit
Coding.Decoder using list decoding after being decoded, in channel receiving terminal, using check bit to list decoding device
In each path verified, the final output of decoder will can be used as by first of verification decoding result, effectively
The decoding performance of polarization code is promoted using the check bit that outer code generates.
The present invention, which realizes, to be as follows：
(1) selected section information bit is grouped code and is encoded：
In the information bit of the transmitting terminal cascade polarization code to be sent of (1a) from channel, K-S+1 are selected to K
The total S bit in position, wherein K indicates that the sum of the information bit of cascade polarization code, S indicate to participate in the information ratio of block code coding
Special sum, S=T-log2(T+1), wherein T indicates the code length of block code, and the value of T is 2ξ- 1, ξ are represented less than equal to log2
(N-K) maximum positive integer, N indicate the code length of cascade polarization code, value N=2n, positive integer of the n expressions more than or equal to 3,
log2Indicate the log operations bottom of for 2；
(1b) encodes formula using block code, and the information bit for S being participated in block code coding is grouped code coding, obtains
To the block code code word containing M check bit, M=T-S；
(2) sub-channel index value is ranked up：
(2a) utilizes channel parameter formula, calculates the channel parameter per sub-channels；
(2b) arranges the descending descending of the channel parameter of all subchannels, obtains channel parameter descending collating sequence
(2c) is by channel parameter descending collating sequenceIn all subchannels index value, sequentially be stored in sub-channel index value
Collating sequenceIn；
(3) check bit and information bit are ranked up：
(3a) is with sub-channel index value collating sequenceIn the one-to-one M school of mark of preceding M ' sub-channels index value
Bit is tested, with sub-channel index value collating sequenceIn the one-to-one mark of M '+1 to M '+K ' sub-channels index values
K information bit, with sub-channel index value collating sequenceIn M '+K '+1 to the N ' sub-channels index values mark 0 ratio
It is special；
(3b) arranges check bit, information bit and 0 bit according to the ascending ascending order of reference number, obtains polarization code
Sequence to be encoded；
(4) polarization code coding is carried out：
Formula is encoded using polarization code, polarization code coding is carried out to polarization code sequence to be encoded, obtains polarization code code word, and
By polarization code code word by channel, becomes receiving signal sequence, be transmitted to channel receiving terminal；
(5) channel receiving terminal will receive signal sequence and input list decoding device into row decoding：
Using the list decoding that list length is D, docking receives signal sequence into row decoding, and it is correct to obtain the decoding of L items
The path of maximum probability, wherein L=D；
(6) the maximum path of L items decoding correct probability in list decoding device is verified：
(6a) forms M check bit in the corresponding paths current path index value Y according to the mark of check bit
Check bit sequence c1, wherein Y=1, by c1It is multiplied with block code check matrix H, obtains check results matrix r1；
(6b) judges check results matrix r1Whether it is full null matrix, if so, thening follow the steps (7), otherwise, executes step
(6c)；
(6c) judges whether current path index value Y meets Y ＜ L, if so, (6d) is thened follow the steps, otherwise, after enabling Y=1
Execute step (7)；
(6d) enables current path index value Y=Y+1, and M check bit in Y paths is formed check bit sequence
cY, by cYIt is multiplied with block code check matrix H, obtains check results matrix rY；
(6e) judges check results matrix rYWhether it is full null matrix, if so, thening follow the steps (7), otherwise, executes step
(6c)；
(7) the final decoding result of decoder output：
The corresponding paths current path index value Y are by verification, using the decoding result in the paths as final decoding
As a result, the final decoding result of decoder output.
Compared with the prior art, the present invention has the following advantages：
First, since selected section information bit of the present invention is grouped code coding, overcoming needs in the prior art to complete
Portion's information bit is verified and leads to the higher deficiency of computation complexity so that it is multiple that present invention reduces the calculating compiled, decoded
Miscellaneous degree.
Second, since the present invention is encoded using block code, the code word for including check bit is generated, and to check bit and letter
Breath bit is ranked up, and is overcome and is needed to carry out selecting to cause decoding performance unstable to multiple check bits in the prior art
It is insufficient so that the check bit that the present invention generates is fixed and precisely, and ensures that check bit transmits accuracy higher by sequence,
So that the performance boost of polarization code is apparent.
Description of the drawings
Fig. 1 is the flow chart of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings 1, the specific steps of the present invention are further described.
Step 1, selected section information bit is grouped code coding.
In the information bit of the cascade polarization code to be sent from the transmitting terminal of channel, it is selected from K-S+1 to K altogether
S bit, wherein K indicates that the sum of the information bit of cascade polarization code, S indicate that the information bit for participating in block code coding is total
Number, S=T-log2(T+1), wherein T indicates the code length of block code, and the value of T is 2ξ- 1, ξ are represented less than equal to log2(N-K)
Maximum positive integer, N indicate cascade polarization code code length, value N=2n, positive integer of the n expressions more than or equal to 3, log2It indicates
With 2 for bottom log operations.
Using following formula, the information bit that block code coding is participated in S is grouped code coding,
ω(S,M)=vG
Wherein, ω indicates that the block code code word containing check bit, the block code code word include S and participate in block code coding
Information bit and M check bit, v indicates to participate in the information bit of block code coding, G expression generator matrixes.
Information bit sum is K=8 in the embodiment of the present invention, and polarization code code length is N=16, ξ=3, block code code length T=
7, the information bit sum for participating in block code coding is S=4.Select 4 ratios of the 5th to the 8th in 8 information bits
It is special.7 × 4 block code generator matrix is selected, 3 check bits are contained in block code code word.
Step 2, it is ranked up according to the channel parameter sub-channel index value of subchannel.
According to the following formula, the channel parameter per sub-channels is calculated：
Wherein, ZiIndicating the channel parameter of i-th of subchannel, i=1,2 ..., N, ∑ indicate sum operation, α=0,
1 ..., n-1, b(i-1),αIndicate that+1 bit of α of the binary form expression formula of natural number β, β=i-1, ∈ expression belong to
Symbol, { 0,1 } indicate the set for including element 0 and 1.
By the descending descending arrangement of the channel parameter of all subchannels, channel parameter descending collating sequence is obtained
By channel parameter descending collating sequenceIn all subchannels index value, sequentially be stored in sub-channel index value row
In sequence sequence, obtained sub-channel index value collating sequence
16 sub-channels channel parameters, respectively Z are obtained in the embodiment of the present invention1, Z2... Z16.16 sons are believed
The channel parameter Z in road1, Z2..., Z16, arranged by descending descending, obtain channel parameter descending collating sequenceIt will
Channel parameter descending collating sequenceIn all subchannels index value, sequentially be stored in sub-channel index value collating sequence in, obtain
To sub-channel index value collating sequence be
Step 3, check bit and information bit are ranked up.
With sub-channel index value collating sequenceIn the verification ratio of preceding M ' sub-channels index value one-to-one mark M
Spy, with sub-channel index value collating sequenceIn M '+1 to M '+K ' sub-channels index values one-to-one mark K
Information bit, with sub-channel index value collating sequenceIn M '+K '+1 to the N ' sub-channels index values mark 0 bit；
Check bit, information bit and 0 bit are arranged according to the ascending ascending order of reference number, polarization code is obtained and waits compiling
Code sequence；
With sub-channel index value collating sequence in the embodiment of the present inventionIn 16,15,14 three sub-channels index value labels 3
Check bit, with sub-channel index value collating sequenceIn
12,8,13,11,10,7,6,4 eight 8 information bits of sub-channels index value label, with sub-channel index value collating sequenceIn 9,5,3,2,1 five sub-channels index value labels 0 ratio
It is special.By sub-channel index value collating sequenceIn element press
Ascending sequence ascending sort, rank results are [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16], and
Check bit, information bit and 0 are ranked up by the clooating sequence of label, and the bit sequence that sequence is completed is waited for as polarization code
Code sequence.
Step 4, polarization code coding is carried out.
Polarization code coding is carried out to polarization code sequence to be encoded using following formula,
X=uP
Wherein, x indicates that polarization code code word, u indicate that polarization code sequence to be encoded, P indicate polarization code generator matrix.It will polarization
Code code word becomes receiving signal sequence, is transmitted to channel receiving terminal by channel.
16 × 16 polarization code generator matrix is used in the embodiment of the present invention.
Step 5, channel receiving terminal will receive signal sequence and input list decoding device into row decoding.
Using the list decoding that list length is D, docking receives signal sequence into row decoding, and it is correct to obtain the decoding of L items
The path of maximum probability, wherein L=D.
The list decoding for the use of list length being 8 in the embodiment of the present invention.
Step 6, the maximum path of L items decoding correct probability in list decoding device is verified.
1st step, according to the mark of check bit, by M check bit group in the corresponding paths current path index value Y
At check bit sequence c1, wherein Y=1, by c1It is multiplied with block code check matrix H, obtains check results matrix r1。
2nd step judges check results matrix r1Whether it is full null matrix, if so, thening follow the steps 7, otherwise, executes this step
The 3rd rapid step.
3rd step, judges whether current path index value Y meets Y ＜ L, if so, the 4th step of this step is executed, otherwise,
Step 7 is executed after enabling Y=1.
4th step enables current path index value Y=Y+1, and M check bit in Y paths is formed check bit sequence
Arrange cY, by cYIt is multiplied with block code check matrix H, obtains check results matrix rY。
5th step judges check results matrix rYWhether it is full null matrix, if so, thening follow the steps 7, otherwise, executes this step
The 3rd rapid step.
It is grouped code check matrix in the embodiment of the present invention, selects 3 × 7 block code generator matrix.
Step 7, the final decoding result of decoder output.
The corresponding paths current path index value Y are by verification, using the decoding result in the paths as final decoding
As a result, the final decoding result of decoder output.
Claims (4)
1. one kind being used for the cascade coding and decoding method of polarization code, which is characterized in that selected section information bit is grouped code volume
Code carries out polarization code coding after the check bit for including in block code code word and information bit sequence, in channel receiving terminal,
The each path in list decoding device is verified using check bit, includes as follows the step of this method：
(1) selected section information bit is grouped code and is encoded：
In the information bit of the transmitting terminal cascade polarization code to be sent of (1a) from channel, it is selected from K-S+1 to K altogether
S bit, wherein K indicates that the sum of the information bit of cascade polarization code, S indicate that the information bit for participating in block code coding is total
Number, S=T-log2(T+1), wherein T indicates the code length of block code, and the value of T is 2ξ- 1, ξ are represented less than equal to log2(N-K)
Maximum positive integer, N indicate cascade polarization code code length, value N=2n, positive integer of the n expressions more than or equal to 3, log2It indicates
With 2 for bottom log operations；
(1b) encodes formula using block code, and the information bit for S being participated in block code coding is grouped code coding, is contained
There are the block code code word of M check bit, M=T-S；
(2) sub-channel index value is ranked up：
(2a) utilizes channel parameter formula, calculates the channel parameter per sub-channels；
(2b) arranges the descending descending of the channel parameter of all subchannels, obtains channel parameter descending collating sequence
(2c) is by channel parameter descending collating sequenceIn all subchannels index value, sequentially be stored in sub-channel index value sequence
SequenceIn；
(3) check bit and information bit are ranked up：
(3a) is with sub-channel index value collating sequenceIn the verification ratio of preceding M ' sub-channels index value one-to-one mark M
Spy, with sub-channel index value collating sequenceIn M '+1 to M '+K ' sub-channels index values one-to-one mark K
Information bit, with sub-channel index value collating sequenceIn M '+K '+1 to the N ' sub-channels index values mark 0 bit；
(3b) arranges check bit, information bit and 0 bit according to the ascending ascending order of reference number, obtains polarization code and waits compiling
Code sequence；
(4) polarization code coding is carried out：
Formula is encoded using polarization code, polarization code coding is carried out to polarization code sequence to be encoded, obtains polarization code code word, and by pole
Change code code word by channel, becomes receiving signal sequence, be transmitted to channel receiving terminal；
(5) channel receiving terminal will receive signal sequence and input list decoding device into row decoding：
Using the list decoding that list length is D, docking receives signal sequence into row decoding, obtains L items decoding correct probability
Maximum path, wherein L=D；
(6) the maximum path of L items decoding correct probability in list decoding device is verified：
M check bit in the corresponding paths current path index value Y is formed verification by (6a) according to the mark of check bit
Bit sequence c1, wherein Y=1, by c1It is multiplied with block code check matrix H, obtains check results matrix r1；
(6b) judges check results matrix r1Whether it is full null matrix, if so, thening follow the steps (7), otherwise, executes step (6c)；
(6c) judges whether current path index value Y meets Y ＜ L, if so, thening follow the steps (6d), otherwise, is executed after enabling Y=1
Step (7)；
(6d) enables current path index value Y=Y+1, by the M check bit composition check bit sequence c in Y pathsY, will
cYIt is multiplied with block code check matrix H, obtains check results matrix rY；
(6e) judges check results matrix rYWhether it is full null matrix, if so, thening follow the steps (7), otherwise, executes step (6c)；
(7) the final decoding result of decoder output：
The corresponding paths current path index value Y by verification, using the decoding result in the paths as finally decode as a result,
The final decoding result of decoder output.
2. according to claim 1 a kind of for the cascade coding and decoding method of polarization code, which is characterized in that in step (1)
The block code coding formula is as follows：
ω(S,M)=vG
Wherein, ω indicates that the block code code word containing check bit, the block code code word include the S letter for participating in block code coding
Bit and M check bit are ceased, v indicates to participate in the information bit of block code coding, and G indicates generator matrix.
3. according to claim 1 a kind of for the cascade coding and decoding method of polarization code, which is characterized in that in step (2a)
The channel parameter formula is as follows：
Wherein, ZiIndicate that the channel parameter of i-th of subchannel, i=1,2 ..., N, ∑ indicate sum operation, α=0,1 ..., n-
1, b(i-1),αIndicate that+1 bit of α of the binary form expression formula of natural number β, β=i-1, ∈ expression belong to symbol, 0,
1 } set for including element 0 and 1 is indicated.
4. according to claim 1 a kind of for the cascade coding and decoding method of polarization code, which is characterized in that in step (3)
The polarization code coding formula is as follows：
X=uP
Wherein, x indicates that polarization code code word, u indicate that polarization code sequence to be encoded, P indicate polarization code generator matrix.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233628A (en) * | 2019-05-22 | 2019-09-13 | 东南大学 | The adaptive belief propagation list decoding method of polarization code |
| CN110504976A (en) * | 2019-08-09 | 2019-11-26 | 北京邮电大学 | A kind of polarization code coding method and device |
| WO2020048537A1 (en) * | 2018-09-07 | 2020-03-12 | 华为技术有限公司 | Method and device for cascade coding |
| CN113196670A (en) * | 2018-12-13 | 2021-07-30 | 华为技术有限公司 | Apparatus and method for obtaining concatenated code structures and computer program product |
| CN113196671A (en) * | 2018-12-13 | 2021-07-30 | 华为技术有限公司 | Apparatus and method for obtaining concatenated code structures and computer program product thereof |
| WO2024031286A1 (en) * | 2022-08-08 | 2024-02-15 | 华为技术有限公司 | Data processing method, apparatus and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2802080A1 (en) * | 2012-01-20 | 2014-11-12 | Huawei Technologies Co., Ltd. | Decoding method and decoding apparatus for polar code concatenated with cyclic redundancy check |
| CN106888025A (en) * | 2017-01-19 | 2017-06-23 | 华中科技大学 | A kind of cascade Error-correcting Encoding and Decoding method and system based on polarization code |
| WO2017127973A1 (en) * | 2016-01-25 | 2017-08-03 | Qualcomm Incorporated | Generation of polar codes with a variable block length utilizing puncturing |
| CN107612561A (en) * | 2017-09-30 | 2018-01-19 | 北京北方烽火科技有限公司 | One kind coding, interpretation method and device |
-
2018
- 2018-03-26 CN CN201810254559.5A patent/CN108462560A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2802080A1 (en) * | 2012-01-20 | 2014-11-12 | Huawei Technologies Co., Ltd. | Decoding method and decoding apparatus for polar code concatenated with cyclic redundancy check |
| WO2017127973A1 (en) * | 2016-01-25 | 2017-08-03 | Qualcomm Incorporated | Generation of polar codes with a variable block length utilizing puncturing |
| CN106888025A (en) * | 2017-01-19 | 2017-06-23 | 华中科技大学 | A kind of cascade Error-correcting Encoding and Decoding method and system based on polarization code |
| CN107612561A (en) * | 2017-09-30 | 2018-01-19 | 北京北方烽火科技有限公司 | One kind coding, interpretation method and device |
Non-Patent Citations (2)
| Title |
|---|
| HUAWEI HISILICON: "Details of the Polar code design", 《3GPP TSG RAN WG1 MEETING #87》 * |
| 向旬: "基于级联polar码译码性能改善", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020048537A1 (en) * | 2018-09-07 | 2020-03-12 | 华为技术有限公司 | Method and device for cascade coding |
| CN110890894A (en) * | 2018-09-07 | 2020-03-17 | 华为技术有限公司 | Method and apparatus for concatenated coding |
| CN113196670A (en) * | 2018-12-13 | 2021-07-30 | 华为技术有限公司 | Apparatus and method for obtaining concatenated code structures and computer program product |
| CN113196671A (en) * | 2018-12-13 | 2021-07-30 | 华为技术有限公司 | Apparatus and method for obtaining concatenated code structures and computer program product thereof |
| CN113196671B (en) * | 2018-12-13 | 2023-10-13 | 华为技术有限公司 | Apparatus and method for obtaining concatenated code structure and computer program product therefor |
| CN113196670B (en) * | 2018-12-13 | 2023-12-29 | 华为技术有限公司 | Apparatus and method for obtaining concatenated code structure and computer program product |
| CN110233628A (en) * | 2019-05-22 | 2019-09-13 | 东南大学 | The adaptive belief propagation list decoding method of polarization code |
| CN110233628B (en) * | 2019-05-22 | 2023-01-17 | 东南大学 | Self-adaptive belief propagation list decoding method for polarization code |
| CN110504976A (en) * | 2019-08-09 | 2019-11-26 | 北京邮电大学 | A kind of polarization code coding method and device |
| CN110504976B (en) * | 2019-08-09 | 2021-01-08 | 北京邮电大学 | Polar code decoding method and device |
| WO2024031286A1 (en) * | 2022-08-08 | 2024-02-15 | 华为技术有限公司 | Data processing method, apparatus and device |
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Application publication date: 20180828 |