MIMO Interference Channel Between Spatial Multiplexing and Spatial Modulation

被引：6

作者：

Basnayaka, Dushyantha A. ^{[1
]}

Haas, Harald ^{[1
]}

机构：

[1] Univ Edinburgh, Inst Digital Commun, Edinburgh EH8 9YL, Midlothian, Scotland

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2016年 / 64卷 / 08期

基金：

英国工程与自然科学研究理事会;

关键词：

MIMO; channel state information; spatial modulation; spatial multipexing; mutual information; PERFORMANCE; INFORMATION; NETWORKS; CAPACITY; SYSTEM;

D O I：

10.1109/TCOMM.2016.2580146

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, two major multiple-input-multiple-output (MIMO) transmission techniques such as spatial modulation (SM) and spatial multiplexing (SMX) are considered. In particular, the focus is on an interference scenario, where an SM MIMO system interferes with a conventional SMX MIMO system. The interference caused by SM has a peculiar behavior. In SMX MIMO networks, the interference subspace is fixed in a given coherence time interval. It can be estimated accurately, and interference suppression techniques can be applied accordingly. However, the interference caused by an SM system has no fixed interference subspace, and it changes in every single channel use. Therefore, SM interference could pose some unique challenges to SMX MIMO systems in some scenarios. In this paper, the effect of SM interference on SMX MIMO systems and methods to overcome/reduce the adverse effects caused by SM interference are studied. Furthermore, the effect of SMX interference on SM MIMO systems is also studied.

引用

页码：3369 / 3381

页数：13

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