[1]刘晓婷,周成杰. 双向全双工MIMO中继系统的自干扰消除[J].计算机技术与发展,2016,26(04):153-157.
　LIU Xiao-ting,ZHOU Cheng-jie. Loop-interference Suppression in Two-way Full-duplex MIMO Relay System[J].,2016,26(04):153-157.
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 双向全双工MIMO中继系统的自干扰消除()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
26
期数:
2016年04期
页码:
153-157
栏目:
应用开发研究
出版日期:
2016-04-10

文章信息/Info

Title:
 Loop-interference Suppression in Two-way Full-duplex MIMO Relay System
文章编号:
1673-629X（2016)04-0153-05
作者:
 刘晓婷; 周成杰
 南京邮电大学 通信与信息工程学院
Author(s):
 LIU Xiao-ting; ZHOU Cheng-jie
关键词:
 ; 双向; 全双工MIMO中继; 自反馈干扰; 时域抵消; 零空间投影
Keywords:
 ; two-way; full-duplex MIMO relays; loop-interference; time-domain cancellation; null-space projection
分类号:
TP302
文献标志码:
A
摘要:
 全双工中继可以提高频谱利用率，但其存在的自反馈干扰信号影响了全双工系统的性能。目前大部分研究主要集中于单向全双工中继系统，对双向全双工中继系统的研究甚少。因此文中在目前单向全双工中继系统的自干扰抑制方案基础上，研究了双向全双工中继系统自干扰消除方法。双向全双工中继与单向全双工中继系统的不同之处在于：除了中继端，其源端和目的端均存在自干扰。对于源节点和目的节点的自干扰采用时域抵消法，再将零空间投影法运用于双向全双工MIMO中继系统来消除中继节点处的自干扰信号。
Abstract:
 Full-duplex relay can improve spectrum efficiency,but the loop-interference existed in full-duplex relay affects the perform-ance of the full duplex system. At present most of the research mainly focuses on one-way full-duplex relay system,however,the number of study on two-way full-duplex relay system is few. The loop-interference suppression method of two-way full-duplex relay systems is studied based on that of one-way full-duplex relay systems. The difference between two-way full-duplex relay and one-way full-du-plex MIMO relay is its’ source node and destination node also exist loop-interference. The loop-interference suppression of the relay a-dopts the null-space projection,and applies time-domain cancellation to the source node and destination node.

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更新日期/Last Update: 2016-06-17