非正交全双工双向中继系统差错性能分析

doi:10.3969/j.issn.0372-2112.2018.06.018

电子学报 ›› 2018, Vol. 46 ›› Issue (6): 1397-1403.DOI: 10.3969/j.issn.0372-2112.2018.06.018

非正交全双工双向中继系统差错性能分析

冯文江, 刘国岭, 孔乾坤, 包涛涛, 唐冰蓝, 应腾达

重庆大学通信工程学院, 重庆 400044

收稿日期:2017-03-14 修回日期:2017-08-20 出版日期:2018-06-25
- 作者简介:
- 冯文江,男,1963年生于四川西充.现为重庆大学通信工程学院教授、博士生导师.主要研究方向为宽带无线接入技术、认知无线电、通信信号处理等.E-mail:fengwj@cqu.edu.cn;刘国岭,男,1989年生于辽宁北票.现为重庆大学通信工程学院博士研究生.主要研究方向为全双工通信和协同通信.E-mail:liuguoling@cqu.edu.cn;孔乾坤,男,1993年生于河南永城,现为重庆大学通信工程学院研究生.主要研究方向为F-OFDM的原理及框架和OFDM宽带传输技术.E-mail:2576916735@qq.com;包涛涛,男,1993生于湖北孝感,现为重庆大学通信工程学院研究生.主要研究方向为大规模MIMO系统的预编码技术.E-mail:20161213050@cqu.edu.cn;唐冰蓝,女,1993年生于四川广安.现为重庆大学通信工程学院硕士研究生.主要研究方向为图像处理.E-mail:734976090@qq.com;应腾达,男,1991年生于浙江永康.现为重庆大学通信工程学院博士研究生.主要研究方向为干扰对齐.E-mail:tengdaying@cqu.edu.cn
- 基金资助:
- 重庆市基础科学与前沿技术研究重点项目 (No.cstc2017jcyjBX0047）

Error Performance of Non-Orthogonal Full-Duplex Two-Way Relaying Systems

FENG Wen-jiang, LIU Guo-ling, KONG Qian-kun, BAO Tao-tao, TANG Bing-lan, YING Teng-da

College of Communication Engineering, Chongqing University, Chongqing 400044, China

Received:2017-03-14 Revised:2017-08-20 Online:2018-06-25 Published:2018-06-25
- Supported by:
- Key Project of Chongqing Research Program of Basic Science and Frontier Technology (No.cstc2017jcyjBX0047)

摘要/Abstract

摘要： 全双工（FD）通信方式能够将双向中继（TWR）系统的频谱效率提高一倍，但是解码可靠性受到残留自干扰的恶化.本文研究非正交FD-TWR系统的差错性能.在中继节点自干扰消除性能强于用户节点的条件下，分析成对差错概率在高发射功率区间的渐进表达式，进而导出系统分集增益和编码增益.针对系统编码结构，分析分集增益的可达条件.与频谱效率相同的半双工TWR系统相比，充分抑制自干扰和采用满分集预编码的FD-TWR系统在误比特率为10^-3时具有20dB的差错性能优势.

关键词: 全双工通信, 双向中继, 残留自干扰, 成对差错概率, 满分集预编码, 协作通信

Abstract: The combination of full-duplex(FD)communication and two-way relaying(TWR)provides higher spectral efficiency,but the decoding reliability is worsen by residual self-interference(RSI).The error performance of non-orthogonal FD-TWR is investigated.With the assumption that the relay has more efficient self-interference cancellation than the user nodes,the diversity and coding gains are derived with the help of the approximate expression of pair-wise error probability in the high transmission power region.Based on the coding structure,the achievability of the diversity gain is analyzed.Compared with the half-duplex TWR system with the same spectral efficiency,the FD-TWR system with suppressed RSI and full-diversity precoder has the superiority of 20dB on the error performance at the bit error rate of 10^-3.

Key words: full-duplex, two-way relaying, residual self-interference, pair-wise error probability, full-diversity precoding, cooperative communication

中图分类号:

TN919.3

冯文江, 刘国岭, 孔乾坤, 等. 非正交全双工双向中继系统差错性能分析[J]. 电子学报, 2018, 46(6): 1397-1403.

FENG Wen-jiang, LIU Guo-ling, KONG Qian-kun, et al. Error Performance of Non-Orthogonal Full-Duplex Two-Way Relaying Systems[J]. Acta Electronica Sinica, 2018, 46(6): 1397-1403.

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非正交全双工双向中继系统差错性能分析

Error Performance of Non-Orthogonal Full-Duplex Two-Way Relaying Systems

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