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Reseach Article

Bit Error Rate Performance of MIMO Channels for various Modulation Schemes using Maximum Likelihood Detection Technique

Published on October 2011 by Sunil Joshi, PC Bapna, Neha Kothari
IP Multimedia Communications
Foundation of Computer Science USA
IPMC - Number 1
October 2011
Authors: Sunil Joshi, PC Bapna, Neha Kothari
f5bdcb64-d9b2-422d-b3e5-a8325fffba16

Sunil Joshi, PC Bapna, Neha Kothari . Bit Error Rate Performance of MIMO Channels for various Modulation Schemes using Maximum Likelihood Detection Technique. IP Multimedia Communications. IPMC, 1 (October 2011), 15-18.

@article{
author = { Sunil Joshi, PC Bapna, Neha Kothari },
title = { Bit Error Rate Performance of MIMO Channels for various Modulation Schemes using Maximum Likelihood Detection Technique },
journal = { IP Multimedia Communications },
issue_date = { October 2011 },
volume = { IPMC },
number = { 1 },
month = { October },
year = { 2011 },
issn = 0975-8887,
pages = { 15-18 },
numpages = 4,
url = { /specialissues/ipmc/number1/3739-ipmc003/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Special Issue Article
%1 IP Multimedia Communications
%A Sunil Joshi
%A PC Bapna
%A Neha Kothari
%T Bit Error Rate Performance of MIMO Channels for various Modulation Schemes using Maximum Likelihood Detection Technique
%J IP Multimedia Communications
%@ 0975-8887
%V IPMC
%N 1
%P 15-18
%D 2011
%I International Journal of Computer Applications
Abstract

In the present paper performance analysis and a comparative study is reported for channels using receive diversity ( 1X2 ) , transmit diversity ( 2X1 ) and transmit-receive diversity( 2X 2) with maximum Likelihood detection technique. The channel is assumed to be flat Rayleigh fading channel and noise samples are independent with zero mean complex Gaussian random variable. The Alamouti Space Time Block codes with modulation techniques BPSK, QPSK 8-PSK and 16-QAM are used to obtain the bit error rate performance under different SNR scenarios. The results reported in this paper suggest substantial improvement in the system performance by incorporating multiple input multiple output techniques in order to improve the link quality.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Channel state information (CSI) Phase Shift Keying (PSK) Bit Error Rate (BER) Signal-to-Noise Ratio (SNR) Space Time Block codes (STBC) Quadrature Amplitude Modulation (QAM)