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Distributed Coalition Formation and Resource Allocation in Cognitive LTE Femto-cells
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Author(s): Omid Namvar Gharehshiran (University of British Columbia,Canada), Alireza Attar (University of British Columbia, Canada)and Vikram Krishnamurthy (University of British Columbia,Canada)
Copyright: 2013
Pages: 35
Source title:
Cognitive Radio and Interference Management: Technology and Strategy
Source Author(s)/Editor(s): Meng-Lin Ku (National Central University, Taiwan, R.O.C.)and Jia-Chin Lin (National Central University, Taiwan, R.O.C.)
DOI: 10.4018/978-1-4666-2005-6.ch008
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Abstract
This chapter investigates resource allocation in a Universal Mobile Telecommunication System (UMTS) Long Term Evolution (LTE) network. Users form coalitions, each exploiting resources in a particular femto-cell, while occupying optimal resources in the sense that total network throughput is maximized. Users in each cell collaborate to increase network throughput and simultaneously attempt to increase their own payoffs subject to a fairness criterion. Payoffs to the users are defined as the monetary equivalent of the individual users’ achievable throughput in the specified coalition structure. A distributed game-theoretic resource allocation mechanism is studied whereby users autonomously decide which sub-channel in which coalition to join. It is proved that if each user operates according to the proposed algorithm, the sum throughput of all links converges almost surely to its maximum feasible value.
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