Distributed Power Control for Cognitive Satellite Networks

Abstract:

In this paper, we considered the problem of distributed power control for cognitive satellite networks. We defined a utility function that measures the user’s satisfaction, as a function of signal to interference plus noise ratio. And then a distributed power control algorithm was proposed based on the defined utility function. This algorithm can guarantee the protection of the primary user and meet quality of service requirements of the cognitive users. Simulation results show the performance of the proposed power control algorithm.

• Periodical: Advanced Materials Research (Volumes 490-495)
• Pages: 1156-1160
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.490-495.1156
• Online since: March 2012
• Authors: Li Na Wang, Bing Wang
• Keywords: Cognitive Radio (CR), Distributed Power Control, Satellite Communications, Utility Function

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