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Performance of Adaptive MS-GSC with Co-Channel Interference

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3 Author(s)
Daghfous, M.-A. ; Cit Technol. des Commun. Ariana, Ecole Suprieure des Commun. de Tunis (SUP''COM Tunis), Tunis, Tunisia ; Radaydeh, R.M. ; Alouini, M.-S.

Minimum selection generalized selection combining (MS-GSC) scheme has been proposed as a generalized power-saving variant of the conventional generalized selection combining (GSC) scheme. Previous analysis of the performance of MS-GSC has focused on interference-free environments. This paper aims to investigate the performance of adaptive signal-to-noise ratio (SNR)-based MS-GSC in the presence of co-channel interference over multipath fading channels. The adaptation thresholds are selected to enhance either the spectral efficiency or power efficiency of discrete-time rectangular signaling system. New closed-form expressions for the statistics of combined signal-to-interference-plus-noise ratio (SINR) are presented, which are then used to obtain analytical formulations for various performance measures. Numerical and simulation comparisons for the performance of the adaptation scheme are provided.

Published in:

Communications (ICC), 2011 IEEE International Conference on

Date of Conference:

5-9 June 2011