Power allocation optimization under constraints of throughput requirements and interference limit for cognitive radio networks
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United States of America Patent
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Feb 27, 2018
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Jul 26, 2016
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Jul 26, 2015
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Abstract
The present invention provides a method of power control for a plurality of secondary users (SUs), or unlicensed users, in a cognitive radio network having a plurality of primary users (PUs), or licensed users. The method comprises determining an optimal power level for each of the SUs such that a total throughput of all the SUs is maximized while satisfying an individual throughput requirement of each SU and an interference limit constraint of the PUs. In particular, a case having two SUs is considered.
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