LDPC_CODES

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Design of two-dimensional spatially coupled LDPC codes for combating burst erasures
《High Technology Letters》2023年第3期288-294,共7页刘洋 HE Jinglin WANG Bin ZHANG Yuzhi 
Supported by the National Natural Science Foundation of China(No.U19B2015,62271386,61801371).
Spatially-coupled low-density parity-check(SC-LDPC)codes are prominent candidates for fu-ture communication standards due to their‘threshold saturation’properties.However,when facing burst erasures,the decoding proc...
关键词：burst erasure channel SC-LDPC code density evolution decoding performance 
Rate-compatible spatially coupled repeat-accumulate codes via successive extension
《High Technology Letters》2019年第2期224-229,共6页Liu Yang Wang Bin Zhang Yuzhi Sun Yanjing 
Supported by the National Natural Science Foundation of China(No.61801371,61801372,61701291,61771417);Natural Science Basic Research Plan in Shaanxi Province of China(No.2018JM5052);National Key Research and Development Program of China(No.2018YFC0808301);Talent Foundation of Xi’an University of Science and Technology(No.2018QDJ028)
A rate-compatible spatially coupled repeat-accumulate (RC-SC-RA) code is proposed. Its protograph is obtained by extending a given (J, K, L) SC-RA coupled chain (denoted as the mother chain) with extra check nodes and...
关键词：spatially coupled LDPC codes spatially coupled RA codes rate compatibility density evolution iterative decoding 
Design of bilayer lengthened LDPC codes over expanded graph for relay channels
《High Technology Letters》2015年第4期494-499,共6页刘洋 Li Ying Su Yuping 
Supported by the National Basic Research Program of China(No.2012CB316100);the National Natural Science Foundation of China(No.61072064,61201140,61301177)
This paper presents a low complexity optimized algorithm for design of bilayer lengthened LDPC(BL-LDPC) code for decode-and-forward relay system.The design is performed over the expanded graph of the BL-LDPC code,whic...
关键词：bilayer LDPC codes relay channel DECODE-AND-FORWARD Gaussian approxima- tion channel capacity 
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