Blind Recognition of Cyclic Code Based on Check Matrix Match Algorithm

ZHANG Tianqi; WANG Junxia; JIANG Xiaolei; QUAN Shengrong

doi:10.11999/JEIT160575

Volume 39 Issue 4

Apr. 2017

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ZHANG Tianqi, WANG Junxia, JIANG Xiaolei, QUAN Shengrong. Blind Recognition of Cyclic Code Based on Check Matrix Match Algorithm[J]. Journal of Electronics & Information Technology, 2017, 39(4): 901-907. doi: 10.11999/JEIT160575

Citation:

ZHANG Tianqi, WANG Junxia, JIANG Xiaolei, QUAN Shengrong. Blind Recognition of Cyclic Code Based on Check Matrix Match Algorithm[J]. Journal of Electronics & Information Technology, 2017, 39(4): 901-907. doi: 10.11999/JEIT160575

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Blind Recognition of Cyclic Code Based on Check Matrix Match Algorithm

doi: 10.11999/JEIT160575

Funds:

The National Natural Science Foundation of China (61671095, 61371164, 61275099), The Project of Key Laboratory of Signal and Information Processing of Chongqing (CSTC2009CA2003), The Research Project of Chongqing Educational Commission (KJ130524, KJ1600427, KJ1600429)

Received Date: 2016-06-01
Rev Recd Date: 2016-10-09
Publish Date: 2017-04-19

Abstract

Abstract

Blind recognition of cyclic code based on check matrix match algorithm is proposed in order to solve the blind identification issue of low fault tolerance rate and large intercepted data. First, the corresponding check matrix of all of the code lengthn and the factor ofxn-1 is regarded as candidate check matrix. Second, a matrix is filled with intercepted bit stream received from binary symmetric channel. It is multipled with candidate check matrix, and whether check matrix in code length and synchronization exists or not is determined, and then code length, synchronization and generate polynomial can be estimated. The simulation results show that if the proposed method is applied to (63, 51) cyclic code, when the probability of correct recognition of code length, synchronization and generate polynomial requires 80%, the maximum bit error rate is4.610-2, 4.610-2 and1.610-2 respectively.
- Non-cooperative signal processing,
- Cyclic code,
- Check matrix match algorithm,
- Blind recognition

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References(24)

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