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

doi:10.3969/j.issn.0372-2112.2018.06.018

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

更新时间：2025-07-08

- Error Performance of Non-Orthogonal Full-Duplex Two-Way Relaying Systems
- Acta Electronica Sinica Vol. 46, Issue 6, Pages: 1397-1403(2018)
- 作者机构：
  
  重庆大学通信工程学院,重庆,400044
- 作者简介：
- 基金信息：
  
  Key Project of Chongqing Research Program of Basic Science and Frontier Technology (No.cstc2017jcyjBX0047)
- DOI：10.3969/j.issn.0372-2112.2018.06.018
  CLC： TN919.3
- Published Online：25 June 2018，
  
  Published：2018
- 稿件说明：
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Error Performance of Non-Orthogonal Full-Duplex Two-Way Relaying Systems[J]. Acta Electronica Sinica, 2018, 46(6): 1397-1403.
DOI：

Error Performance of Non-Orthogonal Full-Duplex Two-Way Relaying Systems[J]. Acta Electronica Sinica, 2018, 46(6): 1397-1403. DOI： 10.3969/j.issn.0372-2112.2018.06.018.

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.

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

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