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AWGN信道下RA码译码算法研究 被引量:2

On the Iterative Decoding of RA Codes on the AWGN Channel
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摘要 RA(Repeat Accum ulate)码是一种简单但非常重要的 TL C(Turbo L ike Codes)码。本文首先介绍了 RA码的 Tanner图表示 ,然后重点分析研究并详细推导了 RA码在加性高斯白噪声 (A WGN)信道上的迭代译码算法。 RA codes is one of TLC, simple but very important. This paper introduces a Tanner graph representation of RA codes at first, and then mainly focuse on the theoretical analysis of the decoding algorithm of RA codes on the AWGN channel and derivates it in detail.
机构地区 信息工程大学
出处 《现代电子技术》 2004年第17期80-82,共3页 Modern Electronics Technique
关键词 RA码 TANNER图 似然比 迭代译码 RA codes Tanner graph log likelihood ratio iterative decoding
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参考文献5

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同被引文献14

  • 1朱南,史治平,周亮.一种改进ARA码的设计及优化[J].通信技术,2007,40(7):36-38. 被引量:1
  • 2高宏峰,许宗泽.RA码译码简化算法的研究[J].四川大学学报(工程科学版),2004,36(4):107-110. 被引量:9
  • 3胡琳,姚庆栋,刘云海.传感器网络中的分布式信息编码[J].信息与控制,2006,35(2):216-224. 被引量:8
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  • 6Pradhan S S,Ramchandran K.Distributed source coding using syndromes s(DISCUS):Design and construction[C]//Proc IEEE Data Compression Conf, 1999: 158-167.
  • 7Xiong Zixiang,Liveris A D,Cheng S.Distributed source coding for sensor networks[J].IEEE Signal Processing Magazine,2004.
  • 8Johnson S J,Weller S R.Practical interleaves for systematic repeat-accumulate codes[C]//Vehicular Technology Conference,VTC 2006-spring, IEEE 63rd, 2006:1358-1362.
  • 9Liveris A D,Xiong Zixiang,Georghiades C N.Compression of binary sources with side information at the decoder using LDPC codes[J]. IEEE Communications Letters,2002,6(10).
  • 10Eckford A,Chu J,Adve R S.A practical scheme for relaying in sensor networks[C]//2006 Conference on Information Sciences and Systems(CISS 2006),March 2006.

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