改进的极化选择译码转发中继协作

孙启超; 包建荣; 刘超; 姜斌; 朱芳; 何剑海

doi:10.11959/j.issn.1000-0801.2020007

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改进的极化选择译码转发中继协作

研究与开发 | 更新时间：2024-06-05

- 改进的极化选择译码转发中继协作
- Improved Polar selective decoding and forwarding cooperation
- 电信科学 2020年36卷第1期页码：77-87
- 作者机构：
  
  1. 杭州电子科技大学通信工程学院，浙江杭州 310018
  2. 宁波职业技术学院电子信息工程学院，浙江宁波 315800
- 作者简介：
  
  [ "孙启超（1995- ），男，杭州电子科技大学硕士生，主要研究方向为无线通信、信道编码等" ]
  [ "包建荣（1978- ），男，博士，杭州电子科技大学教授、博士生导师，主要研究方向为空间无线通信、通信信号处理与自主无线电等" ]
  [ "刘超（1977- ），男，博士，杭州电子科技大学副教授、教师，主要研究方向为无线通信、计算机通信网等" ]
  [ "姜斌（1980- ），男，杭州电子科技大学高级实验师、教师，主要研究方向为空间无线通信、无线传感器网络等" ]
  [ "朱芳（1973- ），男，博士，杭州电子科技大学讲师，主要研究方向为无线通信和信息安全等" ]
  [ "何剑海（1979- ），男，博士，宁波职业技术学院副教授，主要研究方向为认知无线电、协同通信等" ]
- 基金信息：
  
  浙江省自然科学基金资助项目;Natural Science Foundation of Zhejiang Province of China(LY17F010019);国家自然科学基金资助项目;The National Natural Science Foundation of China(U1809201);浙江省公益性技术应用研究计划资助项目;Public Welfare Technology Application Research Program of Zhejiang Province of China(LGG18F010011);浙江省公益性技术应用研究计划资助项目;Public Welfare Technology Application Research Program of Zhejiang Province of China(LGG19F010004)
- DOI：10.11959/j.issn.1000-0801.2020007
  中图分类号： TN911
- 网络出版日期：2020-01，
  
  纸质出版日期：2020-01-20
- 稿件说明：
移动端阅览
孙启超, 包建荣, 刘超, 等. 改进的极化选择译码转发中继协作[J]. 电信科学, 2020,36(1):77-87.

Qichao SUN, Jianrong BAO, Chao LIU, et al. Improved Polar selective decoding and forwarding cooperation[J]. Telecommunications science, 2020, 36(1): 77-87.
孙启超, 包建荣, 刘超, 等. 改进的极化选择译码转发中继协作[J]. 电信科学, 2020,36(1):77-87. DOI： 10.11959/j.issn.1000-0801.2020007.

Qichao SUN, Jianrong BAO, Chao LIU, et al. Improved Polar selective decoding and forwarding cooperation[J]. Telecommunications science, 2020, 36(1): 77-87. DOI： 10.11959/j.issn.1000-0801.2020007.

摘要

3提出了一种基于协作判决的极化选择译码转发方案。首先，根据瑞利衰落信道的信道状态信息（CSI），给出了一种码率随 CSI 变化的极化码构造方案。然后，对中继预选择后再选择译码转发。最后，将所提极化码用于该协作系统，利用其编译码复杂度低，抗干扰强等优势。仿真表明：在衰落信道下，所构造的极化码相比现有码率固定编码，在误码率为10−3时，约有0.3 dB增益。在多中继协作下，当误码率为10−3时，所提方案相对于现有DF Poalr+方案和极化编码协作（NPCC）方案，分别有约0.8 dB和1.3 dB的性能增益。

Abstract

An improved Polar selective decoding and forwarding (IPSDF) scheme based on cooperative threshold de-cision was proposed.Firstly

a new construction of Polar codes according to the fading channel state information (CSI) was proposed.Then

a relay with best CSI was selected from the candidate relay set as the best relay.In addition

the proposed Polar codes were introduced into the cooperative communication system

to get coding gain and reduce the complex of encoding and decoding.Simulation results show that the proposed Polar codes achieve about 0.3 dB gain at bit-error-rate (BER) of 10−3.And using a classic multi-relay cooperative model

the proposed scheme achieves about 0.8 dB and 1.3 dB gain at BER of 10−3

when compared with those the existing DF Polar+ and network Polar coded coopera-tion scheme.Therefore

the IPSDF scheme can be used to improve BER performance in a multi-relay cooperative system and it is quite suitable for heterogeneous network applications in cooperative communication.

关键词

Keywords

references

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