一种分布式喷泉码在协作通信中的应用

doi:10.3969/j.issn.0372-2112.2014.07.001

电子学报 ›› 2014, Vol. 42 ›› Issue (7): 1249-1255.DOI: 10.3969/j.issn.0372-2112.2014.07.001

• 学术论文 • 下一篇

一种分布式喷泉码在协作通信中的应用

祝开艳^1,2, 王洪玉¹, 孙文珠¹, 牛芳琳³

1. 大连理工大学电子信息与电气工程学部, 辽宁大连 116024;
2. 大连海洋大学信息工程学院, 辽宁大连 116023;
3. 辽宁工业大学电子与信息工程学院, 辽宁锦州 121001

收稿日期:2013-04-08 修回日期:2013-07-12 出版日期:2014-07-25
- 作者简介:
- 祝开艳 女.1980年12月出生，湖北荆州人.2002年和2005年在吉林大学获工学学士、工学硕士学位.其后在大连海洋大学信息工程学院工作.现为大连理工大学博士研究生，从事协作通信、喷泉码技术、网络编码等方面的研究.E-mail：zkycat@126.com；王洪玉 男.1968年6月出生，吉林长春人.教授、博士生导师、中国电子学会高级会员、IEEE会员.1990年、1993年和1997年分别在吉林工业大学、中国科学院长春光机所和天津大学获工学学士、工学硕士和工学博士学位.现为大连理工大学教授，主要从事移动通信技术、无线网络技术等方面的研究工作.
- 基金资助:
- 国家自然科学基金 (No.61172058）

A Distributed Fountain Code for Cooperative Communications

ZHU Kai-yan^1,2, WANG Hong-yu¹, SUN Wen-zhu¹, NIU Fang-lin³

1. Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China;
2. College of Information Engineering, Dalian Ocean University, Dalian, Liaoning 116023, China;
3. Electron & Information Engineering College, Liaoning University of Technology, Jinzhou, Liaoning 121001, China

Received:2013-04-08 Revised:2013-07-12 Online:2014-07-25 Published:2014-07-25
- Supported by:
- National Natural Science Foundation of China (No.61172058)

摘要/Abstract

摘要：

为了减少基于数字喷泉码的协作传输系统中的计算复杂度和传输延迟，提出了一种基于分布式喷泉码的协作通信传输方案，给出了两层数字喷泉编码的度分布函数的设计过程；以各链路的丢包率为参量分析了系统传输时延，并与其他数字喷泉码传输方案进行了比较.理论分析和仿真结果表明，在各链路丢包率较大时采用这种分布式喷泉码的协作传输机制能在传输时延上显著改善系统性能，而且各链路删除概率越大时优势越明显.

关键词: 协作通信, 中继传输, 数字喷泉码, 分布式LT码

Abstract:

In order to reduce computation complexity and latency in cooperative communication system based on fountain code,a distributed fountain code based cooperative transmission scheme was proposed.The design of two layer degree distribution was presented.The transmission latency for the distributed fountain code based cooperative transmission scheme and other conventional fountain code based transmission schemes was analyzed and compared.Results show that the total time consumed under the distributed fountain code based scheme can be significantly reduced compared to conventional fountain code based direct transmission and cooperative transmission when the packet erasure rate is big.With the increase of packet erasure rate,the advantage of the distributed fountain code based scheme is more evident.

Key words: cooperative communications, relay transmission, digital fountain codes, distributed LT codes

中图分类号:

TN925

祝开艳, 王洪玉, 孙文珠, 等. 一种分布式喷泉码在协作通信中的应用[J]. 电子学报, 2014, 42(7): 1249-1255.

ZHU Kai-yan, WANG Hong-yu, SUN Wen-zhu, et al. A Distributed Fountain Code for Cooperative Communications[J]. Acta Electronica Sinica, 2014, 42(7): 1249-1255.

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一种分布式喷泉码在协作通信中的应用

A Distributed Fountain Code for Cooperative Communications

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