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Fairness evaluation in cooperative hybrid cellular systems

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3 Author(s)
Awad, J.F. ; Centre for Commun. Syst. Res., Univ. of Surrey, Guildford, UK ; Imran, M.A. ; Tafazolli, R.

Many method has been applied previously to improve the fairness of a wireless communication system. In this paper, we propose using hybrid schemes, where more than one transmission scheme are used in one system, to achieve this objective. These schemes consist of cooperative transmission schemes, maximal ratio transmission and interference alignment, and non-cooperative schemes, orthogonal and non-orthogonal schemes used alongside and in combinations in the same system to improve the fairness. We provide different weight calculation methods to vary the output of the fairness problem. We show the solution of the radio resource allocation problem for the transmission schemes used. Finally, simulation results is provided to show fairness achieved, in terms of Jain's fairness index, by applying the hybrid schemes proposed and the different weight calculation methods at different inter-site distances.

Published in:

Wireless Communications and Mobile Computing Conference (IWCMC), 2012 8th International

Date of Conference:

27-31 Aug. 2012