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30-04-2020

A Quantitative Analysis of Spectrum Efficiency of Various Diversity Combining Schemes in the Presence of Co-channel Interference

Authors: Vidhyacharan Bhaskar, S. Thai Subha, Subhashini Janarthanan

Published in: Wireless Personal Communications | Issue 2/2020

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Abstract

A quantitative analysis of capacity per unit bandwidth (spectrum efficiency) for various diversity schemes, when subjected to co-channel interference (CCI), is made for different adaptation policies in this research work. It is observed that among the four adaptation policies incorporated, optimal power and rate adaptation policy provides the highest spectrum efficiency, and channel inversion with policy provides the highest spectrum efficiency penalty over other adaptation policies for the diversity schemes discussed. Exact numerical improvement in spectrum efficiency and deterioration in spectrum efficiency for specific adaptation policies is clearly mentioned and discussed in detail. The improvement in the value of diversity gain is also clearly elucidated. Maximal ratio combining scheme with optimal power and rate adaptation policy yields the highest spectrum efficiency as compared to other two diversity schemes when subjected to CCI.
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Metadata
Title
A Quantitative Analysis of Spectrum Efficiency of Various Diversity Combining Schemes in the Presence of Co-channel Interference
Authors
Vidhyacharan Bhaskar
S. Thai Subha
Subhashini Janarthanan
Publication date
30-04-2020
Publisher
Springer US
Published in
Wireless Personal Communications / Issue 2/2020
Print ISSN: 0929-6212
Electronic ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-020-07422-y

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