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http://dx.doi.org/10.7840/kics.2013.38A.6.535

Uplink Power Control Scheme for Virtual MIMO Multi-Cell Systems  

Yang, Janghoon (KGIT)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.38A, no.6, 2013 , pp. 535-544 More about this Journal
Abstract
This paper considers an uplink power control scheme for a virtual multi-input multi-output (MIMO) multi-cell system where multiple mobile stations with single transmit antenna form a virtual MIMO link. Unlike the conventional approach of the game theoretic formulation to add a power penalty term to improve the performance, a constraint on the total effective interference power is introduced to the maximization of the utility function of the transmission rate with linear receive beamforming. Introducing inertia, we show that the proposed power control is guaranteed to converge. The simulation results verify that the proposed power allocation can significantly improve the performance in an interference limited multi-cell system.
Keywords
power control; virtual MIMO; multi-cell; beamforming; uplink system;
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Times Cited By KSCI : 1  (Citation Analysis)
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