Outage performance of fixed-gain and variable-gain AF full-duplex relaying in non-identical Nakagami-m fading channels

Asil Koç, İbrahim Altunbaş, Abbas Yongaçoğlu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

We investigate outage performance of fixed-gain and variable-gain amplify-and-forward (AF) full-duplex (FD) relaying systems under residual loop-interference (LI) in non-identical Nakagami-m fading channels. New exact outage probability expressions are derived analytically in a single-integral form by using the cumulative distribution function approach. Moreover, tight lower-bound and asymptotic outage probability expressions are derived in closed-form for the evaluated systems. It is shown that the fixed-gain AF-FD relaying outperforms the variable-gain AF-FD relaying when LI power and/or signal-to-noise ratio increase. The analytical results are verified by Monte-Carlo simulations.

Original languageEnglish
Article number110
JournalEurasip Journal on Wireless Communications and Networking
Volume2017
Issue number1
DOIs
Publication statusPublished - 1 Dec 2017

Bibliographical note

Publisher Copyright:
© 2017, The Author(s).

Keywords

  • Amplify and forward
  • Fixed-gain
  • Full-duplex relaying
  • Nakagami-m
  • Outage analysis
  • Variable-gain

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