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D2D Power Control in the Cellular System: Iterative Algorithm and Convergence

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2017, 22(9), pp.41-47
  • DOI : 10.9708/jksci.2017.22.09.041
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science
  • Received : August 3, 2017
  • Accepted : September 4, 2017
  • Published : September 29, 2017

Oh Chang Yoon 1

1인하공업전문대학

Accredited

ABSTRACT

In this paper, we consider the case where D2D users and the cellular user share the uplink of the cellular system. We propose an iterative power control algorithm that converges to the optimum power value. Each user iteratively updates its transmit power level according to the interference function. Finally, all D2D users and cellular user that participate in the transmission get the optimum transmit power level. We first investigate the interference structure and define the interference function. Then, we show that the considered interference function belongs to the standard interference function that converges the unique transmit power level. Through numerical examples, the convergence of the proposed power control algorithm is examined in the various transmission scenarios.

Citation status

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