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A Maximum Likelihood (ML) based OSTBC-OFDM System over Multipath Fading Channels

by Ramaswamy T., K. Chennakesava Reddy
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 130 - Number 12
Year of Publication: 2015
Authors: Ramaswamy T., K. Chennakesava Reddy
10.5120/ijca2015907142

Ramaswamy T., K. Chennakesava Reddy . A Maximum Likelihood (ML) based OSTBC-OFDM System over Multipath Fading Channels. International Journal of Computer Applications. 130, 12 ( November 2015), 34-37. DOI=10.5120/ijca2015907142

@article{ 10.5120/ijca2015907142,
author = { Ramaswamy T., K. Chennakesava Reddy },
title = { A Maximum Likelihood (ML) based OSTBC-OFDM System over Multipath Fading Channels },
journal = { International Journal of Computer Applications },
issue_date = { November 2015 },
volume = { 130 },
number = { 12 },
month = { November },
year = { 2015 },
issn = { 0975-8887 },
pages = { 34-37 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume130/number12/23264-2015907142/ },
doi = { 10.5120/ijca2015907142 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T23:25:40.669114+05:30
%A Ramaswamy T.
%A K. Chennakesava Reddy
%T A Maximum Likelihood (ML) based OSTBC-OFDM System over Multipath Fading Channels
%J International Journal of Computer Applications
%@ 0975-8887
%V 130
%N 12
%P 34-37
%D 2015
%I Foundation of Computer Science (FCS), NY, USA
Abstract

This paper proposes a space-time block-coded orthogonal frequency-division multiplexing (STBC-OFDM) scheme for frequency-selective fading channels which does not require channel knowledge either at the transmitter or at the receiver. This paper proposed a generalized maximum likelihood estimation decoding algorithm. Due to the orthogonality nature of STBC, the rule for decoding was reduced to a single step. The performance investigation of the proposed system was done over Rayleigh fading channel and also over the Rician fading channel. Simulation results reveal the performance of proposed STBC communication system is near optimum.

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Index Terms

Computer Science
Information Sciences

Keywords

MIMO STBC-OFDM Almouti Scheme Maximum likelihood estimator BER.

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