低密度奇偶校验码

1
LDPC
低密度奇偶校验码(LDPC)是一种基于非常稀疏校验矩阵的线性分组码,由于其接近香农极限的优异性能及简单有效的迭代译码算法而成为编码理论界的研究热点.
2
Low Density Parity Check
1996年， MacKay等人经过研究发现， Gallager博士1962年提出的低密度奇偶校验码(Low Density Parity Check Codes)是一种可以和Turbo码相媲美的好码，长码的性能和香农限的差距只有0.0045dB，而且实现复杂度很低[5]。
3
Low-Density Parity-Check Codes
...低密度奇偶校验码；训练序列 [gap=1190]Key words: wireless communication; adaptive decoding; low-density parity-check codes; training sequence ...
4
Low Density Parity Check Code
论文第四章提出采用低密度奇偶校验码(Low Density Parity Check code, LDPC)作为PCS子层的FEC码。

短语

1
结合低密度奇偶校验码进行信道编码纠错，提高了信道译码性能。
The channel decoding performance is improved with channel encoding error-correcting by using Low Density Parity-check codes (LDPC) codes.
2
公开了一种允许容易地产生可实现优越纠错特性的低密度奇偶校验码的方法。
A method is disclosed that allows the easy generation of low-density parity-check codes that can realize superior error-correcting characteristics.
3
摘要结构化低密度奇偶校验码可通过基矩阵和扩展因子描述，具有较低的编译码复杂度和优异的译码性能。
Abstract : The structured low density parity check (LDPC) codes can be described by the base-matrices and lifting factors, which have low encoding/decoding complexity and good coding performance.

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