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LDPC码在RICE信道中的性能分析

, PP. 48-53

Keywords: 低密度校验码,衰落信道,莱斯信道

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Abstract:

对非规则LDPC(lowdensityparitycodes)码在RICE信道的性能进行了分析和仿真,修正了BP(beliefpropagation)译码算法,证明了RICE信道满足对称性,给出了RICE信道译码稳定性条件,推导出了RICE信道的Shannon容量限。采用VC编程进行了仿真,仿真结果表明在码长N=3072、码率R=1/3时,与Shannon限相差2dB左右。进一步表明了LDPC码在包括RICE信道在内的各种信道中的性能都是非常优良的。

References

[1]  Gallager M G. Low density parity check codes[J]. IRE TransInform Theory, 1962, IT-8: 21-28.
[2]  Hou J, Siegel P H, Milstein B. Performance analysis and code optimization of low density parity check codes on rayleigh channels[J]. IEEE journal on selected area in comm, 2001,19(5):924-934.
[3]  Sorokine V, Kshcischang F R, Pasupathy S. Gallager codes for CDMA applications-part Ⅰ: generalizations, constructions and performance bounds[J].IEEE Trans on Comm, 2000,48(10):1 660-1 668.
[4]  Luby M G, Mitzenmacher M, at al. Analysis of low density parity checkcodes and improved designs using irregular graphs[A]. Proc ACM Symp[C]. 1998. 249-258.
[5]  Richardson T J, Shokrollahi M A, Urbanke R L. Design of capacity-approaching irregular low density parity check codes[J]. IEEE Trans On Inform Theory, 2001,47(2):619-637.
[6]  Hall E K, Wilson S G. Design and analysis of turbo code on rayleigh fading channels[J]. IEEE Journal on selected area in comm, 1998,16(2):160-174.

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