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A Novel Power Control Approach Based on ϵ-Greedy Monte Carlo Method in Cognitive Radio System

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5 Author(s)

In this paper, we consider a model of two-user channel with one primary user and one secondary user. Then we present a novel power control approach based on ε-greedy Monte Carlo method to solve transmit-power control problem of the secondary user. Theoretical analysis and simulation results both show that the approach can not only optimize transmit-power control of the secondary user, but also be used to determine sensing error or interference temperature limit in cognitive-radio environment. And it is also proved that the approach is valid even when the interference temperature limit or sensed interference level is not known or not known accurately.

Published in:

Cognitive Radio Oriented Wireless Networks and Communications, 2008. CrownCom 2008. 3rd International Conference on

Date of Conference:

15-17 May 2008