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Cross-Entropy Optimized Cognitive Radio Policies
Abstract : In this paper we consider cognitive processes and their impact on the performance of cognitive radio networks (CRN). We model the cognition cycle, during which cognitive radio (CR) sequentially senses and estimates the environment state, makes decisions in order to optimize certain objectives and then acts. Model-based analysis of CRN is used to solve control and decision making tasks, which actually gives the radio its “cognitive” ability. Particularly, we design an efficient strategy for accessing the vacant spectrum bands and managing the transmission-sampling trade-off. In order to cope with the high complexity of this problem the policy search uses the stochastic optimization method of cross-entropy. The developed model represents CRN ability to intelligently react to the network’s state changes and gives a good understanding of the cross-entropy optimized policies.
https://hal.inria.fr/hal-01587842
Contributor : Hal Ifip <>
Submitted on : Thursday, September 14, 2017 - 4:48:17 PM
Last modification on : Sunday, December 31, 2017 - 9:44:02 AM
Long-term archiving on: : Friday, December 15, 2017 - 9:34:41 PM
Contributor : Hal Ifip <>
Submitted on : Thursday, September 14, 2017 - 4:48:17 PM
Last modification on : Sunday, December 31, 2017 - 9:44:02 AM
Long-term archiving on: : Friday, December 15, 2017 - 9:34:41 PM
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Distributed under a Creative Commons Attribution 4.0 International License