ON THE SUM RATE OF ZF DETECTORS OVER CORRELATED K FADING MIMO CHANNELS

被引：0
作者：
Matthaiou, Michail [1 ]
Chatzidiamantis, Nestor D. [1 ]
Karagiannidis, George K. [1 ]
机构：
[1] Chalmers, Dept Signals & Syst, S-41296 Gothenburg, Sweden
来源：
2011 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING | 2011年
关键词：
RECEIVERS; REGIME;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This paper presents a detailed sum rate investigation of Zero-Forcing (ZF) detectors over composite multiple-input multiple-output (MIMO) channels. To this end, we consider the generic K distribution (Rayleigh/gamma distribution) to model the composite fading fluctuations and also assume the general case of semi-correlated small-scale fading. Novel exact analytical expressions are derived for the achievable sum rate followed by asymptotic expressions in the low Signal-to-Noise ratio (SNR) regime. In parallel, new, closed-form upper and lower bounds on the sum rate are derived that remain tight for all SNRs. The theoretical analysis is validated via a set of Monte-Carlo simulations.
引用
收藏
页码：3244 / 3247
页数：4
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