| K量级群变换BCH码纠错方法研究与实现 |
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| 引用本文： | 查艳芳,殷奎喜,赵华,刘学军.K量级群变换BCH码纠错方法研究与实现[J].通信技术,2010,43(6):54-56,59. |
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| 作者姓名： | 查艳芳 殷奎喜 赵华 刘学军 |
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| 作者单位： | 1. 南京师范大学物理科学与技术学院,江苏南京,210097
2. 南京师范大学地理科学学院,江苏南京,210097 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 介绍了一种新的方法——群变换BCH码编解码方法,这种方法简化了BCH码的编解码过程。然后利用该方法对长度在1K以上的信息位进行编码,得到K量级的数据,并将该K量级的数据作为一个数据包进行整体的解码和纠错。文中用的K量级的BCH码能纠正2位错误,传送率（简称码率）高达1003/1023≈98%,该通信系统的误码率能改善20 dB以上。同时,还用Cyclone-III大规模集成电路完成了硬件实现。
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| 关 键 词： | 群变换 包纠错 误码率 |
Research and Implementation of Error Correction Method of K Middle-weight Group Counterchange BCH Code |
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| ZHA Yan-fang,YIN Kui-xi,ZHAO Hua,LIU Xue-jun.Research and Implementation of Error Correction Method of K Middle-weight Group Counterchange BCH Code[J].Communications Technology,2010,43(6):54-56,59. |
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| Authors: | ZHA Yan-fang YIN Kui-xi ZHAO Hua LIU Xue-jun |
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| Affiliation: | ZHA Yan-fang~a,YIN Kui-xi~a,ZHAO Hua~a,LIU Xue-jun~b(a.College of Physics Science , Technology Nanjing Normal University,b.College of Geography Science,Nanjing Normal University,Nanjing Jinagsu 210097,China) |
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| Abstract: | A new method——encoding and decoding of group counterchange BCH code is proposed,and this method simplifies the process of BCH encoding and decoding.Then,with this method the information with length in above 1 k-bit is encoded,thus the k middle-weight data is obtained,and the k middle-weight data is decoded and error-corrected as a data packet.The K middle-weight BCH code could correct two errors,with transfer rate（bit rate） up to 98%.The BER（bit error rate） of the communication system could be improved to more than 20 dB in.Meanwhile,its hardware implementation is accomplished by Cyclone-III LSI. |
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| Keywords: | group counterchange error correction of packet BER(Bit Error Rate) |
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