两簇多用户MIMO中继干扰信道干扰中和传输

doi:10.3969/j.issn.1001-2400.2018.06.019

西安电子科技大学学报 ›› 2018, Vol. 45 ›› Issue (6): 112-117.doi: 10.3969/j.issn.1001-2400.2018.06.019

两簇多用户MIMO中继干扰信道干扰中和传输

张博为1;吴维农1;肖静薇1;黄杰1;王健1;冯文江2

(1. 国家电网重庆市电力公司信息通信分公司，重庆 400012；
2. 重庆大学通信工程学院，重庆 400044)

收稿日期:2017-10-10 出版日期:2018-12-20 发布日期:2018-12-20
作者简介:张博为(1988-)，男，工程师，博士，E-mail：boevyzbw@163.com
基金资助:
国家自然科学基金资助项目(61501066)；重庆市基础与前沿研究计划资助项目(cstc2015jcyjA40003)

Interference neutralization transmission of two-cluster multi-user MIMO relay interference channels

ZHANG Bowei1;WU Weinong1;XIAO Jingwei1;HUANG Jie1;WANG Jian1;FENG Wenjiang2

(1. State Grid Chongqing Information and Telecommunication Company, Chongqing 400012, China;
2. College of Communication Engineering, Chongqing Univ., Chongqing 400044, China)

Received:2017-10-10 Online:2018-12-20 Published:2018-12-20

摘要/Abstract

摘要： 针对两簇多进多出中继干扰信道，提出一种基于中继波束矩阵设计的干扰中和方案．首先，在中继构造接收波束矩阵将中继接收信号进行信号重构；其次，在中继构造发送波束矩阵消除簇间干扰．分析了所提干扰中和方案的适用条件和系统可达自由度，并将所提方案与连续网络编码方案和时分多址方案进行对比和分析．结果表明，所提的干扰中和方案能够获得更多的自由度．

关键词: 多进多出, 自由度, 干扰中和, 网络编码

Abstract: Based on the design of the relay beamforming matrix, an interference neutralization (IN) scheme is proposed for the two-cluster multi-user multiple-input multiple-output (MIMO) relay interference channel. First, the received signal at each relay is reconstructed by using the relay receive beamforming matrix. Then, each relay constructs the transmit beamforming matrix to eliminate the inter-cluster interference. The achievable degrees of freedom (DoF), the achievable sum rate and the application conditions for the IN scheme are analyzed. Experimental results have shown that the IN scheme can provide a significant DoF gain over the time division multiple access (TDMA) and the successive network coding (SNC) schemes.

Key words: multiple-input multiple-output, degrees of freedom, interference neutralization, network coding

中图分类号:

TN925

张博为, 吴维农, 肖静薇, 黄杰, 王健, 冯文江. 两簇多用户MIMO中继干扰信道干扰中和传输[J]. 西安电子科技大学学报, 2018, 45(6): 112-117.

ZHANG Bowei, WU Weinong, XIAO Jingwei, HUANG Jie, WANG Jian, FENG Wenjiang. Interference neutralization transmission of two-cluster multi-user MIMO relay interference channels[J]. Journal of Xidian University, 2018, 45(6): 112-117.

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两簇多用户MIMO中继干扰信道干扰中和传输

Interference neutralization transmission of two-cluster multi-user MIMO relay interference channels

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两簇多用户MIMO中继干扰信道干扰中和传输

Interference neutralization transmission of two-cluster multi-user MIMO relay interference channels

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