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Outage Performance of the Downlink NOMA Relay Networks with RF Energy Harvesting and Buffer Aided Relay

  • Xuan Nam TranEmail author
  • Tran Manh Hoang
  • Nguyen Ba Cao
  • Le The Dung
Conference paper
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 257)

Abstract

In this paper, we investigate performance of a decode-and-forward Non-Orthogonal Multiple Access (NOMA) relay system using Simultaneous Information and Power Transfer (SWIPT). In the considered system a source node transmits data in the downlink simultaneously to two destination nodes via an energy-harvesting relay node. In order to cope with fading channels the relay is assumed to have an infinite capacity buffer to store data if the transmission link is in outage. We analyze outage performance of the system and obtain the closed-form expressions for the system outage probability for two cases, i.e. the relay is equipped and not equipped with the buffer. Numerical results are provided to demonstrate the merit of using the buffer-aided relay.

Keywords

NOMA Energy harvesting Successive interference cancellation Power allocation Buffer aided relay 

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Copyright information

© ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2019

Authors and Affiliations

  • Xuan Nam Tran
    • 1
    Email author
  • Tran Manh Hoang
    • 1
  • Nguyen Ba Cao
    • 1
  • Le The Dung
    • 2
  1. 1.Le Quy Don Technical UniversityHanoiVietnam
  2. 2.Chungbuk National UniversityCheongjuKorea

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