| [256,252]RS扩展码的快速译码算法 |
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| 引用本文： | 张玉良,陈晓敏.[256,252]RS扩展码的快速译码算法[J].电子与信息学报,2005,27(12):1947-1951. |
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| 作者姓名： | 张玉良 陈晓敏 |
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| 作者单位： | 中国科学院空间科学与应用研究中心,北京,100080;中国科学院研究生院,北京,100039;中国科学院空间科学与应用研究中心,北京,100080 |
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| 摘 要： | 该文主要论述256,252]RS(Reed-Solomon)扩展码的快速译码算法。该算法是通过简单的参数测试来发现接收数据中的错误类型以及错误模式，然后通过得到的错误模式来对接收数据进行错误纠正。与已有的译码算法相比，该算法具有占用硬件资源相对较少，处理时间相对较短的优点，并且在硬件译码器上实现的最高数据处理速率超过400Mbit/s。
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| 关 键 词： | 译码算法 RS扩展码 |
| 文章编号： | 1009-5896(2005)12-1947-05 |
| 收稿时间： | 2004-06-14 |
| 修稿时间： | 2005-03-21 |
The Fast Decoding Algorithim of [256,252] RS Extended Code |
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| Zhang Yu-liang,Chen Xiao-min.The Fast Decoding Algorithim of [256,252] RS Extended Code[J].Journal of Electronics & Information Technology,2005,27(12):1947-1951. |
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| Authors: | Zhang Yu-liang Chen Xiao-min |
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| Affiliation: | Center for Space Science and Applied Research Chinese Academy of Sciences, Beifing 100080, China;Graduate School of the Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | In this article, the main point is to describe the fast decoding algorithm of 256,252] RS extended code. In order to correct the error in the received data quickly, the algorithm gets the error type and error pattern through simple parameter-comparison, then adds the error pattern to the receive data. Compared to the algorithms in existence, this algorithm has the advantages of using less hardware resources and decoding time. When this algorithm implements in hardware, its throughput is more than 400Mbit/s. |
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| Keywords: | Decoding algorithm RS extended code |
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