A parallel layered decoding algorithm for LDPC codes in WiMax system

被引：0
|
作者：
Wang Jun [1 ]
Yang Shu-hui [1 ]
机构：
[1] Beijing Informat & Technol Univ, Coll Photoelect Informat & Commun Engn, Beijing, Peoples R China
来源：
2009 5TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-8 | 2009年
关键词：
WiMax; parallel layered; quasi-cyclic LDPC; OMS; PARITY-CHECK CODES;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
WiMax presents a quasi-cyclic LDPC codes with excellent performance in decoding, which is suitable to parallel decoding for its structure. And the flexible matrix structure can support more implementation of code with different code-length. To decrease the iterative times of the decoding algorithm and save the hardware resource of the decoder for LDPC codes, the paper presents a parallel layered decoding algorithm based on OMS, which doesn't reduce the decoding performance. This algorithm proposes a novel scheduling to improve the updating of message. Simulation results show that, for a 2304 bits length of code, the parallel layered decoding algorithm exhibits a better convergent performance than a traditional algorithm. The SNR of parallel layered OMS decreases about 0.05 dB than that of traditional OMS, when the BER is 10(-3).
引用
收藏
页码：293 / 296
页数：4
相关论文
共 50 条
  • [1] VLSI architectures for layered decoding for irregular LDPC codes of WiMax
    Gunnam, Kiran K.
    Choi, Gwan S.
    Yeary, Mark B.
    Atiquzzaman, Mohammed
    [J]. 2007 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-14, 2007, : 4542 - +
  • [2] Construction of LDPC Codes for the Layered Decoding Algorithm
    Wang Da
    Dong Mingke
    Chen Chen
    Jin Ye
    Xiang Haige
    [J]. CHINA COMMUNICATIONS, 2012, 9 (07) : 99 - 107
  • [3] An Improved-Performance Decoding Algorithm of LDPC Codes for Layered Decoding
    Li, Jia
    Yang, Gaigai
    Zhao, Zhiqiang
    [J]. 2014 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATION PROBLEM-SOLVING (ICCP), 2014, : 318 - 321
  • [4] A Parallel Decoding Algorithm of LDPC Codes using CUDA
    Wang, Shuang
    Cheng, Samuel
    Wu, Qiang
    [J]. 2008 42ND ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, VOLS 1-4, 2008, : 171 - +
  • [5] A parallel VLSI architecture for layered decoding for array LDPC codes
    Gunnam, Kiran K.
    Choi, Gwan S.
    Yeary, Mark B.
    [J]. 20TH INTERNATIONAL CONFERENCE ON VLSI DESIGN, PROCEEDINGS: TECHNOLOGY CHALLENGES IN THE NANOELECTRONICS ERA, 2007, : 738 - +
  • [6] A Layered Decoding Algorithm for Spatially-coupled LDPC Codes
    Wu Haowei
    Wu Xiaofei
    Zou Runqiu
    Ou Jinglan
    [J]. JOURNAL OF ELECTRONICS & INFORMATION TECHNOLOGY, 2020, 42 (08) : 1881 - 1887
  • [7] A Layered Decoding Algorithm for Spatially-coupled LDPC Codes
    Wu, Haowei
    Wu, Xiaofei
    Zou, Runqiu
    Ou, Jinglan
    [J]. Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology, 2020, 42 (08): : 1881 - 1887
  • [8] Switching activity reducing layered decoding algorithm for LDPC codes
    Chou, Shu-Cheng
    Ku, Mong-Kai
    Lin, Chia-Yu
    [J]. PROCEEDINGS OF 2008 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-10, 2008, : 528 - 531
  • [9] A Low-complexity Layered Decoding Algorithm for LDPC Codes
    Wang Zhongxun
    Mu Qing
    [J]. 2009 INTERNATIONAL FORUM ON COMPUTER SCIENCE-TECHNOLOGY AND APPLICATIONS, VOL 2, PROCEEDINGS, 2009, : 318 - 320
  • [10] Enhanced delta-based layered decoding of WiMAX QC-LDPC codes
    Kuo, Tzu-Chieh
    Willson, Alan N., Jr.
    [J]. PROCEEDINGS OF 2008 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-10, 2008, : 524 - 527
12345