Outage Probability of Zero Forcing Precoded Scheduling System for Multiple Input Multiple Output Broadcast Transmission

被引：2
|
作者：
Lee, Donghun [1 ]
Kang, Hyunduk [1 ]
Jeong, Byung Jang [1 ]
机构：
[1] Elect & Telecommun Res Inst ETRI, Taejon 305700, South Korea
来源：
IEEE COMMUNICATIONS LETTERS | 2011年 / 15卷 / 12期
关键词：
Multiple-input multiple-output (MIMO); zero-forcing (ZF) percoder; scheduling; outage probability; multi-user diversity (MUD); diversity order; SNR gain; PERFORMANCE ANALYSIS; MIMO SYSTEMS; CHANNELS;
D O I：
10.1109/LCOMM.2011.101811.111667
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper, we investigate an error performance issue of a multiple-input multiple-output (MIMO) broadcast system with zero-forcing (ZF) precoder. We propose a ZF-precoded scheduling system for MIMO broadcast transmission which selects a user set with the maximum effective signal to noise ratio (SNR) through feedback information. The tight closed-form expression of the proposed scheduling system for outage probability is derived. We also present asymptotic analysis to quantify diversity order and SNR gain. This analysis results show that the proposed scheduling system provides error performance improvement by diversity order gain, which comes from multi-user diversity (MUD) over the conventional ZF-precoding system.
引用
收藏
页码：1344 / 1346
页数：3
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