LDPC_CODES

作品数：68被引量：92H指数：4
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Design of improved error-rate sliding window decoder for SC-LDPC codes: reliable termination and channel value reuse
《Optoelectronics Letters》2025年第4期212-217,共6页JIA Xishan LI Jining YAO Yuan WANG Yifan LIU Bo XU Degang 
supported by the National Natural Science Foundation of China (No.62275193)。
In this paper,an improved error-rate sliding window decoder is proposed for spatially coupled low-density parity-check(SC-LDPC)codes.For the conventional sliding window decoder,the message retention mechanism causes u...
关键词：reliable termination message retention mechanism reliable termination method sliding window decoderthe error rate sliding window decoder belief propagation bp decoding retained messages 
Doped low-density parity-check codes
《Digital Communications and Networks》2024年第1期217-226,共10页Yong Li Rui Liu Xianlong Jiao Youqiang Hu Zhen Luo Francis C.M.Lau 
supported in part by China NSF under Grants No.61771081 and 62072064;the Fundamental Research Funds for the Central Universities(China)under Grant cstc2019jcyjmsxmX0110;the Project of Chongqing Natural Science Foundation under Grant CSTB2022NSCQ-MSX0990;Science and Technology Research Project of Chongqing Education Commission under Grant KJQN202000612;the Venture and Innovation Support Program for Chongqing Overseas Returnees under Grant cx2020070.
In this paper,we propose a doping approach to lower the error floor of Low-Density Parity-Check(LDPC)codes.The doping component is a short block code in which the information bits are selected from the coded bits of t...
关键词：LDPC codes Doped LDPC codes Tanner graph Quadratic residue codes Trapping sets 
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 
Design of Raptor-Like LDPC Codes and High Throughput Decoder Towards 100 Gbit/s Throughput
《ZTE Communications》2023年第3期86-92,共7页LI Hanwen BI Ningjing SHA Jin 
supported in part by ZTE Industry-University-Institute Coop⁃eration funds under Grant No.2020ZTE01-03.
This paper proposes a raptor-like low-density parity-check(RL-LDPC)code design together with the corresponding decoder hardware architecture aiming at next-generation mobile communication.A new kind of protograph diff...
关键词：RL-LDPC error floor high throughput protograph 5G NR 
Joint-decoding-complexity-oriented collaborative design for joint source-channel coding system based on double protograph-LDPC codes被引量：1
《Science China(Information Sciences)》2023年第8期267-268,共2页Zhiping XU Dan SONG Jiachun ZHENG Lin WANG 
supported by Fujian Province Young and Middle-aged Teacher Education Research Project (Grant No. JAT220182);Jimei University Startup Research Project (Grant No. ZQ2022039);Scientific Research Foundation of Jimei University (Grant No. XJ2022000201);National Natural Science Foundation of China (Grant No. 61671395);Xiamen Ocean and Fishery Development Special Fund Project (Grant No. 21CZB013HJ15);Xiamen Key Laboratory of Marine Intelligent Terminal R&D and Application (Grant No. B18208);Fund Project of Jimei University (Grant No. ZP2020042)。
Although the code designs for the joint source-channel coding(JSCC) systems based on double protograph low-density parity-check(DP-LDPC) codes have been widely investigated over various coding channels,they tend to em...
关键词：channel LDPC COMPLEXITY 
Construction of Protograph LDPC Codes Based on the Convolution Neural Network被引量：1
《China Communications》2023年第5期84-92,共9页Zhiyuan Xiao Liguang Li Jin Xu Jin Sha 
supported in part with the Project on the Industry Key Technologies of Jiangsu Province(No.BE2017153);the Industry-University-Research Fund of ZTE Corporation.
This paper presents an intelligent protograph construction algorithm.Protograph LDPC codes have shown excellent error correction performance and play an important role in wireless communications.Random search or manua...
关键词：LDPC codes protograph codes iterative decoding threshold neural network 
A New HARQ Scheme for 5G Systems via Interleaved Superposition Retransmission
《China Communications》2023年第4期1-11,共11页Qianfan Wang Li Chen Xiao Ma 
supported by the National Natural Science Foundation of China(No.61971454 and No.62071498);the Guangdong Basic and Applied Basic Research Foundation(No.2023A1515011056)。
Within the framework of the 5G new radio(NR),we propose a new hybrid automatic repeat request(HARQ)scheme to improve the throughput performance.The difference between the proposed scheme and the conventional one lies ...
关键词：5G NR HARQ LDPC codes superposition retransmission 
Low-Density Parity-Check Codes:Highway to Channel Capacity被引量：3
《China Communications》2023年第2期235-256,共22页Liyuan Song Shuyan Yu Qin Huang 
supported in part by the National Natural Science Foundation of China(No.62071026,No.62201152 and No.61941106);the Natural Science Foundation of Fujian Province(No.2021J05034);Key Project of Science and Technology Innovation of Fujian Province(No.2021G02006)。
Low-density parity-check(LDPC)codes are not only capacity-approaching,but also greatly suitable for high-throughput implementation.Thus,they are the most popular codes for high-speed data transmission in the past two ...
关键词：LDPC codes SPARSITY high-speed MESSAGE-PASSING cycles trapping sets quasi-cyclic 
Improving Performance of LDPC-Coded Links via Partial Superposition Retransmission
《Journal of Communications and Information Networks》2022年第3期259-268,共10页Yinchu Wang Qianfan Wang Ming Jiang Xiao Ma 
supported by National Key R&D Program of China(No.2020YFB1807100);the National Natural Science Foundation of China(No.61971454).
In this paper,we propose a transmission scheme for uplink and downlink transmissions,where the fifth generation(5G)low-density parity-check(LDPC)codes are implemented for error correction.In the proposed scheme,the ac...
关键词：block Markov superposition transmission(BMST) 5G LDPC codes free-ride coding hybrid automatic repeat request(HARQ) partial superposition 
Design of Raptor Design of Raptor-Like Rate Compatible SC Like Rate Compatible SC-LDPC Codes被引量：1
《ZTE Communications》2022年第S01期16-21,共6页SHI Xiangyi HAN Tongzhou TIAN Hai ZHAO Danfeng 
This paper proposes a family of raptor-like rate-compatible spatially coupled low-density parity-check(RL-RC-SC-LDPC)codes from RL-RC-LDPC block codes.There are two important keys.One is the performance of the base ma...
关键词：SC-LDPC code 5G NR LDPC code rate-compatibility threshold sliding win-dow RCA algorithm 
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