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On Bases of BCH Codes with Designed Distance 3 and Their Extensions
Problems of Information Transmission ( IF 0.5 ) Pub Date : 2021-01-27 , DOI: 10.1134/s003294602004002x I. Yu. Mogilnykh , F. I. Solov’eva
中文翻译:
基于设计距离为3的BCH码及其扩展
更新日期:2021-01-28
Problems of Information Transmission ( IF 0.5 ) Pub Date : 2021-01-27 , DOI: 10.1134/s003294602004002x I. Yu. Mogilnykh , F. I. Solov’eva
We consider narrow-sense BCH codes of length pm − 1 over \({{\mathbb{F}}}_{p}\), m ≥ 3. We prove that neither such a code with designed distance δ = 3 nor its extension for p ≥ 5 is generated by the set of its codewords of the minimum nonzero weight. We establish that extended BCH codes with designed distance δ = 3 for p ≥ 3 are generated by the set of codewords of weight 5, where basis vectors can be chosen from affine orbits of some codewords.
中文翻译:
基于设计距离为3的BCH码及其扩展
我们考虑的长度狭义BCH码p米 - 1之上\({{\ mathbb {F}}} _ {P} \) ,米≥3.我们证明,无论这样的设计距离的码δ = 3也不其扩展p ≥5由该组中的最小非零重量的其码字的生成。我们建立扩展BCH码设计距离δ = 3 p ≥3通过设定的权重5,其中的基矢量可以从一些码字的仿射轨道被选择的码字的生成。