A Distributed Fountain Code for Cooperative Communications

ZHU Kai-yan; WANG Hong-yu; SUN Wen-zhu; NIU Fang-lin

doi:10.3969/j.issn.0372-2112.2014.07.001

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A Distributed Fountain Code for Cooperative Communications

更新时间：2025-07-16

- A Distributed Fountain Code for Cooperative Communications
- Acta Electronica Sinica Vol. 42, Issue 7, Pages: 1249-1255(2014)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.61172058)
- DOI：10.3969/j.issn.0372-2112.2014.07.001
  CLC： TN925
- Published：2014
- 稿件说明：
移动端阅览
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.
DOI：

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. DOI： 10.3969/j.issn.0372-2112.2014.07.001.

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.

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.

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