Performance of Optimal Combining versus Maximal RatioCombining: MIMO: Antenna Diversity performance comparison; OC or MRC in terms of Bit Error Rate & Carrier to interference noise ratio

Kaur, Amanpreet, Ahmed, Altaf, Khanna, Rajesh

ISBN 10: 3846549169 / ISBN 13: 9783846549162

Published by LAP LAMBERT Academic Publishing, 2012

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Bibliographic Details

• Title: Performance of Optimal Combining versus Maximal RatioCombining: MIMO: Antenna Diversity performance comparison; OC or MRC in terms of Bit Error Rate & Carrier to interference noise ratio
• Publisher: LAP LAMBERT Academic Publishing
• Publication Date: 2012
• Language: English
• ISBN 10: 3846549169
• ISBN 13: 9783846549162
• Binding: Paperback
• Condition: Like New
• Book Type: book

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Synopsis

In this work, for a CDMA communication, the per user carrier-to-interference ratio (CINR) enhancement in the Reverse Link (mobile to base station) is analyzed using different antenna array spatial combining algorithms: Optimal Combining (OC) Versus Maximal Ratio Combining (MRC) in a multi-rate (combined voice and data users) multi-antenna scenario. The ratio of the CINR for OC vs. MRC is directly analyzed, i.e. Z=CINROC/CINRMRC. Exact solutions are derived for the statistics of a per user CINROC/CINRMRC improvement, as a function of the high-level interference power to background noise, the gain ratio CINROC/CINRMRC is evaluated in a flat Rayleigh fading communications system with multiple interferers, when the number of interferences L is no less than the number of antenna elements M (L ≥ M). The gain ratio is derived providing a simple means to determine when OC will exhibit significant gains over MRC. simulations are done to find out the BER performance of optimum combining diversity in correlated Nakagami-m channels and compare with the BER performance of MRC and the influence of interference for MRC and OC are analyzed and discussed

About the Author

Altaf Ahmed a student of Thapar University worked under the guidance of Amanpreetkaur and Rajesh Khanna. Amanpreet Kaur is an Assistant Proferssor and Dr.Rajesh Khanna is a professor at Thapar University Patiala. Their specialization are in the field of wireless Communications(MIMO technology and Antenna Diversity) and Antenna Design.