Construct the Systematic Binary Quasi-cyclic Codes with Rate 1/p Based on Variable Matroid Search Algorithm

ZHANG Shuiping; LIN Pingping; WU Guangfu; JIANG Linwei

doi:10.11999/JEIT160074

Volume 38 Issue 11

Dec. 2016

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Article Navigation > Journal of Electronics & Information Technology > 2016 > 38(11): 2916-2921

Wanzhong CHEN, Xiaoxu WANG, Tao ZHANG. Research of Discrimination Between Left and Right Hand Motor Imagery EEG Patterns Based on Tunable Q-Factor Wavelet Transform[J]. Journal of Electronics & Information Technology, 2019, 41(3): 530-536. doi: 10.11999/JEIT171191

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ZHANG Shuiping, LIN Pingping, WU Guangfu, JIANG Linwei. Construct the Systematic Binary Quasi-cyclic Codes with Rate 1/p Based on Variable Matroid Search Algorithm[J]. Journal of Electronics & Information Technology, 2016, 38(11): 2916-2921. doi: 10.11999/JEIT160074

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Construct the Systematic Binary Quasi-cyclic Codes with Rate 1/p Based on Variable Matroid Search Algorithm

doi: 10.11999/JEIT160074

Funds:

The National Natural Science Foundation of China (11461031, 61562037), The Natural Science Foundation of Jiangxi Province (20151BAB217016)

Received Date: 2016-01-19
Rev Recd Date: 2016-06-15
Publish Date: 2016-11-19

Abstract

Abstract

Because the matroid search algorithm is very complicated and the local matroid search algorithm can not search all optimal codes, this paper proposes a variable matroid search algorithm to search the quasi-cyclic codes by researching matroid search algorithm. The algorithm reduces the computational complexity by reducing the repeated search. Based on this algorithm, the systematic binary quasi-cyclic codes of which the rate is 1/p are constructed. With the change of integer p, the optimal codes of rate 1/p can be obtained by the generator matrix reducing or adding a loop matrix. Through experiments, two new codes of which the minimum distance is larger than the existing optimal codes are worked out, which indicate the feasibility and superiority of the algorithm.
- Matroid theory,
- Quasi-cyclic codes,
- Minimum distance,
- Variable matroid sear

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References(23)

References

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