Concatenated non-binary LDPC Codes with Modulation Diversity: Rate Design

被引：1

作者：

Fan, Xiang ^{[1
]}

Shi, Zhiping ^{[1
]}

Ma, Zhenzhou ^{[1
]}

Zhang, Zhongpei ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Natl Key Lab Commun, Chengdu 610054, Peoples R China

来源：

2009 INTERNATIONAL CONFERENCE ON COMMUNICATIONS, CIRCUITS AND SYSTEMS PROCEEDINGS, VOLUMES I & II: COMMUNICATIONS, NETWORKS AND SIGNAL PROCESSING, VOL I/ELECTRONIC DEVICES, CIRUITS AND SYSTEMS, VOL II | 2009年

关键词：

SIGNAL-SPACE DIVERSITY; PARITY-CHECK CODES;

D O I：

10.1109/ICCCAS.2009.5250559

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a scheme of concatenated non-binary LDPC codes with modulation diversity (MD) based on rate match. The rate design of non-binary LDPC codes and MD is studied when overall rate is unchanged for the communication system. And in the receiver, an iterative method is proposed between decoding and detection. It is shown that the rate-optimized concatenated scheme over a fading channel may lead to a significant gain over the conventional design of non-binary LDPC codes and modulation. diversity. And the rate optimized concatenated scheme can achieve 1.5dB gains when bit error rate is equal to 10(-3) with low total rate.

引用

页码：116 / 119

页数：4

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