Mobile Lightweight Wireless Systems. Second International ICST Conference, MOBILIGHT 2010, Barcelona, Spain, May 10-12, 2010, Revised Selected Papers

Research Article

An Efficient Power Control Algorithm for Supporting Cognitive Communications in Shared Spectrum Areas

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  • @INPROCEEDINGS{10.1007/978-3-642-16644-0_43,
        author={Mahdi Pirmoradian and Christos Politis and Emmanouil Panaousis},
        title={An Efficient Power Control Algorithm for Supporting Cognitive Communications in Shared Spectrum Areas},
        proceedings={Mobile Lightweight Wireless Systems. Second International ICST Conference, MOBILIGHT 2010, Barcelona, Spain, May 10-12, 2010, Revised Selected Papers},
        proceedings_a={MOBILIGHT},
        year={2012},
        month={10},
        keywords={Power Control Primary Users License-exempt Shared spectrum},
        doi={10.1007/978-3-642-16644-0_43}
    }
    
  • Mahdi Pirmoradian
    Christos Politis
    Emmanouil Panaousis
    Year: 2012
    An Efficient Power Control Algorithm for Supporting Cognitive Communications in Shared Spectrum Areas
    MOBILIGHT
    Springer
    DOI: 10.1007/978-3-642-16644-0_43
Mahdi Pirmoradian1,*, Christos Politis1,*, Emmanouil Panaousis1,*
  • 1: Kingston University London
*Contact email: m.pirmoradian@kingston.ac.uk, c.politis@kingston.ac.uk, e.panaousis@kingston.ac.uk

Abstract

The concept of is meant to be utilised by both licensed and license-exempt users that coexist in a shared spectrum area whenever they need to avoid causing unaffordable interference to each other by following some rules. In fact, primary users should be protected by any license-exempt transmission. To this end, power control is a pivotal mechanism to be used for interference management in these scenarios. Especially, transmit power control is a vehicle to mitigate interference, in presence of CR technology, when primary receivers are attempting to reach a desired (SINR) level. In this work we assume that a CR network relies on the same spectrum area with a primary network. Our scope is to measure the introduced interference level caused by the CR transmitter and to properly modify its power to allow a legacy user to reach a required SINR according to location of the primary user in presence of interference. A series of results are presented to prove the efficiency of our proposed scheme.