多中继去噪重传物理层网络编码自适应分集策略

高锐锋; 吉晓东; 包志华; 张士兵; 徐晨

doi:10.11959/j.issn.1000-436x.2017031

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多中继去噪重传物理层网络编码自适应分集策略

学术论文 | 更新时间：2024-06-05

- 多中继去噪重传物理层网络编码自适应分集策略
- Denoise-and-forward based adaptive diversity scheme for physical-layer network coding with multiple relay node
- 通信学报 2017年38卷第2期页码：81-93
- 作者机构：
  
  1. 南通大学电子信息学院，江苏南通 226019
  2. 南通先进通信技术研究院，江苏南通 226019
- 作者简介：
  
  [ "高锐锋（1987-），男，江苏南通人，南通大学博士生、讲师，主要研究方向为协作中继、认知无线电以及物理层安全技术。" ]
  [ "吉晓东（1979-），男，江苏南通人，博士，南通大学副教授，主要研究方向为协作中继、物理层安全以及认知无线电技术。" ]
  [ "包志华（1955-），男，江苏南通人，南通大学教授，主要研究方向为现代通信理论与技术、通信专用集成电路设计等。" ]
  [ "张士兵（1962-），男，江苏南通人，博士，南通大学教授，主要研究方向为认知无线电技术、宽带数字通信与通信信号处理。" ]
  [ "徐晨（1960-），男，江苏南通人，南通大学教授，主要研究方向为宽带数字通信、通信信号处理。" ]
- 基金信息：
  
  国家自然科学基金资助项目(61371111);国家自然科学基金资助项目(61371112);国家自然科学基金资助项目(61401238);江苏省自然科学基金资助项目(BK20140433);江苏省研究生创新课题基金资助项目(KYZZ16-0353)
- DOI：10.11959/j.issn.1000-436x.2017031
  中图分类号： TN925
- 网络出版日期：2017-02，
  
  纸质出版日期：2017-02-25
- 稿件说明：
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高锐锋, 吉晓东, 包志华, 等. 多中继去噪重传物理层网络编码自适应分集策略[J]. 通信学报, 2017,38(2):81-93.

Rui-feng GAO, Xiao-dong JI, Zhi-hua BAO, et al. Denoise-and-forward based adaptive diversity scheme for physical-layer network coding with multiple relay node[J]. Journal on communications, 2017, 38(2): 81-93.
高锐锋, 吉晓东, 包志华, 等. 多中继去噪重传物理层网络编码自适应分集策略[J]. 通信学报, 2017,38(2):81-93. DOI： 10.11959/j.issn.1000-436x.2017031.

Rui-feng GAO, Xiao-dong JI, Zhi-hua BAO, et al. Denoise-and-forward based adaptive diversity scheme for physical-layer network coding with multiple relay node[J]. Journal on communications, 2017, 38(2): 81-93. DOI： 10.11959/j.issn.1000-436x.2017031.

摘要

研究了频率非选择性瑞利衰落信道中的物理层网络编码系统容量问题。理论推导了基于解噪重传协议的系统容量，根据容量解析式给出了系统和容量最大化的2个条件表达式，提出了一种最大化系统和容量的自适应分集策略。在瑞利衰落信道环境下，通过理论分析给出所有中继链路特性均属于同一情况下的中断概率闭合解析式，同时也理论推导了一般放大重传和直接传输系统中断概率解析式。在此基础上，完成了数值仿真实验，结果表明所提策略的中断性能与非自适应系统、一般放大重传和直接传输系统相比有较大优势。

Abstract

The capacity issue of a denoise-and-forward(DNF) protocol was focused on based PNC system of frequency non-selective Rayleigh fading channel.First

the total sum-rate of the system was derived.With the derived sum-rate expression

two policies maximizing the system sum-rate are proposed.On this basis

a novel adaptive diversity scheme was proposed.Closed-form expressions of the system outage probability with the new proposed scheme as well as the amplify-and-forward (AF) based PNC system and the conventional direct transmission were derived over frequency-nonselective Rayleigh fading channels.Simulation experiments are conducted and the results show that the outage performance of the system can be im-proved significantly compared to the AF based PNC system and the conventional direct transmission scheme.

关键词

Keywords

references

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