Diversity-Multiplexing Tradeoff in MIMO System with Finite SNR

Author

Ebrahimzad, Hamid ; Mohammadi, Abbas

Author_Institution

Amirkabir Univ. of Technol., Tehran

fYear

2007

fDate

8-10 Oct. 2007

Firstpage

146

Lastpage

149

Abstract

In this paper, the diversity-multiplexing tradeoff (DMT) for a multiple-input multiple-output (MIMO) channel with two transmitter and two receiver antennas (2times2 MIMO) at finite signal to noise ratio (SNR) has been studied. To characterize the trade-off, the outage probability of the mutual information between transmitted and received signals versus SNR is extracted. The diversity gain is the slope of the outage probability versus SNR curve at a particular SNR while the multiplexing gain is the ratio of the system spectral efficiency to the capacity of an additive white Gaussian noise (AWGN) channel. This paper provides a useful tool to examine the diversity-multiplexing trade-off at the 2times2 MIMO system in practical (finite SNR) situation.

Keywords

AWGN channels; MIMO communication; channel capacity; diversity reception; multiplexing; MIMO system; additive white Gaussian noise channel; channel capacity; diversity-multiplexing tradeoff; finite SNR; multiple-input multiple-output channel; signal to noise ratio; AWGN; Data mining; Diversity methods; MIMO; Mutual information; OFDM modulation; Receiving antennas; Signal to noise ratio; Transmitters; Transmitting antennas; MIMO; Tradeoff; diversity; multiplexing;

fLanguage

English

Publisher

ieee

Conference_Titel

Wireless Technologies, 2007 European Conference on

Conference_Location

Munich

Print_ISBN

978-2-87487-003-3

Type

conf

DOI

10.1109/ECWT.2007.4403967

Filename

4403967