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D2D Tx-Rx Pair Assignment Using Duality Concept

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2019, 24(5), pp.19-26
  • DOI : 10.9708/jksci.2019.24.05.019
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science
  • Received : March 29, 2019
  • Accepted : April 25, 2019
  • Published : May 31, 2019

Oh Chang Yoon 1

1인하공업전문대학

Accredited

ABSTRACT

In this paper, we consider the D2D Transmitter(Tx) and Receiver(Rx) pair assignment problem in the cellular system. Sharing the resource of the cellular system, D2D users may cause interference to the cellular system, though it is beneficial to improve the D2D user Capacity. Therefore, to protect the cellular users, D2D transmit power should be carefully controlled. Previously, optimal Tx-Rx assignment to minimize the total transmit power of users was investigated. Accordingly, the iterative algorithm to find the optimum Tx-Rx asignment was obtained. In this work, we consider the case where Tx group users becomes Rx group users, and Rx group users become Tx group users. We prove that the Tx-Rx assignment problem has the duality property. We present the numerical examples that show the duality between U-link and D-link.

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