Average BER and Capacity Improvement in MIMO-OSTBC Systems Over $$\varvec{\eta}-\varvec{\mu}$$ η - μ Fading Channels with Absolute SNR Scheduling

Average BER and Capacity Improvement in MIMO-OSTBC Systems Over $$\varvec{\eta}-\varvec{\mu}$$... In this paper, we consider a multiple-input-multiple-output system employing orthogonal space time block codes over a generalized fading model, namely, $$\eta - \mu$$ η - μ fading distribution. Simplified closed-form expressions for the probability density function and cumulative distribution function of the proposed system under absolute SNR scheduling have been derived in this paper. More specifically, new analytical expressions for average bit error rate and average channel capacity are derived for two cases: (a) independent and identically distributed (i.i.d) fading links and (b) independent and non-identically distributed (i.ni.d) fading links. Numerical evaluation shows improvement in system performance for various values of $$\eta$$ η in format 1 with increase in the (a) number of users (U), (b) number of transmit antennas (n T ), and (c) number of receive antennas (n R ). The proposed mathematical analysis is verified using MATLAB numerical results which demonstrate the accuracy of theoretical approach. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Wireless Personal Communications Springer Journals

Average BER and Capacity Improvement in MIMO-OSTBC Systems Over $$\varvec{\eta}-\varvec{\mu}$$ η - μ Fading Channels with Absolute SNR Scheduling

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Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media New York
Subject
Engineering; Communications Engineering, Networks; Signal,Image and Speech Processing; Computer Communication Networks
ISSN
0929-6212
eISSN
1572-834X
D.O.I.
10.1007/s11277-017-4076-8
Publisher site
See Article on Publisher Site

Abstract

In this paper, we consider a multiple-input-multiple-output system employing orthogonal space time block codes over a generalized fading model, namely, $$\eta - \mu$$ η - μ fading distribution. Simplified closed-form expressions for the probability density function and cumulative distribution function of the proposed system under absolute SNR scheduling have been derived in this paper. More specifically, new analytical expressions for average bit error rate and average channel capacity are derived for two cases: (a) independent and identically distributed (i.i.d) fading links and (b) independent and non-identically distributed (i.ni.d) fading links. Numerical evaluation shows improvement in system performance for various values of $$\eta$$ η in format 1 with increase in the (a) number of users (U), (b) number of transmit antennas (n T ), and (c) number of receive antennas (n R ). The proposed mathematical analysis is verified using MATLAB numerical results which demonstrate the accuracy of theoretical approach.

Journal

Wireless Personal CommunicationsSpringer Journals

Published: Mar 7, 2017

References

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