Design of WIMAX LDPC codec based on FPGA(基于FPGA的WIMAX LDPC码编译码器的设计)

WANGXiu-min(王秀敏); SHENJian-ming(沈建明); ZHANGYang(张洋); FUJuan(付娟)

doi:10.3785/j.issn.1008-9497.2012.01.023

Zhejiang Daxue xuebao. Lixue ban (Jan 2012)

Design of WIMAX LDPC codec based on FPGA(基于FPGA的WIMAX LDPC码编译码器的设计)

WANGXiu-min(王秀敏),
SHENJian-ming(沈建明),
ZHANGYang(张洋),
FUJuan(付娟)

Affiliations

WANGXiu-min(王秀敏): 1.College of Information Engineering, China Jiliang University, Hangzhou 310018, China( 1.中国计量学院信息工程学院，浙江杭州，310018)
SHENJian-ming(沈建明): 2.Special Purpose Vehicle Co., Ltd. Hangzhou, Hangzhou 310018, China( 2.杭州专用汽车有限责任公司，浙江杭州 310018)
ZHANGYang(张洋): 1.College of Information Engineering, China Jiliang University, Hangzhou 310018, China( 1.中国计量学院信息工程学院，浙江杭州，310018)
FUJuan(付娟): 1.College of Information Engineering, China Jiliang University, Hangzhou 310018, China( 1.中国计量学院信息工程学院，浙江杭州，310018)

DOI: https://doi.org/10.3785/j.issn.1008-9497.2012.01.023
Journal volume & issue: Vol. 39, no. 1
pp. 112 – 116

Abstract

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提出了一种适合于WIMAX标准的所有码长和码率LDPC码的编码器结构，充分利用了校验矩阵的特点降低硬件实现复杂度.设计了一种基于TDMP-NMS算法的码长码率均可配置的支持连续译码的LDPC码译码器，支持该标准中所有码长和码率LDPC码的译码，通过仿真得出了在保证译码器误码率性能前提下的最优量化比特位宽和各码率的最优归一化因子.采用一种新的适合于TDMP算法的动态迭代停止准则，结果表明，所采用的方案有效降低了译码器的资源消耗，提高了吞吐率.

Published in Zhejiang Daxue xuebao. Lixue ban

ISSN: 1008-9497 (Print)
Publisher: Zhejiang University Press
Country of publisher: China
LCC subjects: Science: Mathematics: Instruments and machines: Electronic computers. Computer science; Science: Physics
Website: https://www.zjujournals.com/sci/EN/1008-9497/home.shtml

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