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A Heavy Traffic Approach for Queue-Aware Power Control in Interfering Wireless Links

Abstract : In this work, we address the problem of power allocation for interfering transmitter-receiver pairs so that the probability that each queue length exceeds a specified threshold is fixed at a desired value. One application is satisfying QoS requirements in a dense cellular network. We address this problem using heavy traffic approximation techniques which lead to an asymptotic model described by a (controlled) stochastic differential equation. The power control strategy consists in allocating most of the power according to the wireless channel state and a smaller fraction according to the queue lengths. Simulation results in a simple setting illustrate that the proposed control policy can yield desirable results in practical systems.
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Submitted on : Tuesday, January 8, 2013 - 3:56:25 PM
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Apostolos Destounis, Mohamad Assaad, Mérouane Debbah, Bessem Sayadi, Afef Feki. A Heavy Traffic Approach for Queue-Aware Power Control in Interfering Wireless Links. 2012 IEEE 13th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Jun 2012, Izmir, Turkey. pp.184 - 188, ⟨10.1109/SPAWC.2012.6292884⟩. ⟨hal-00770636⟩

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