A HEAVY TRAFFIC APPROACH FOR QUEUE-AWARE POWER CONTROL IN INTERFERING WIRELESS LINKS

被引:0
|
作者
Destounis, Apostolos [1 ]
Assaad, Mohamad
Debbah, Merouane
Sayadi, Bessem [1 ]
Feki, Afef [1 ]
机构
[1] Alcatel Lucent Bell Labs France, F-91620 Nozay, France
关键词
CHANNELS; COMMUNICATION; NETWORK;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
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.
引用
收藏
页码:184 / 188
页数:5
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