Two-Way Relaying under the Presence of Relay Transceiver Hardware Impairments

Michail Matthaiou, Agisilaos Papadogiannis, Emil Björnson, Mérouane Debbah

Research output: Contribution to journalArticle

94 Citations (Scopus)

Abstract

Hardware impairments in physical transceivers are known to have a deleterious effect on communication systems; however, very few contributions have investigated their impact on relaying. This paper quantifies the impact of transceiver impairments in a two-way amplify-and-forward configuration. More specifically, the effective signal-to-noise-and-distortion ratios at both transmitter nodes are obtained. These are used to deduce exact and asymptotic closed-form expressions for the outage probabilities (OPs), as well as tractable formulations for the symbol error rates (SERs). It is explicitly shown that non-zero lower bounds on the OP and SER exist in the high-power regime---this stands in contrast to the special case of ideal hardware, where the OP and SER go asymptotically to zero.
Original languageEnglish
Pages (from-to)1136-1139
Number of pages4
JournalIEEE Communications Letters
Volume17
Issue number6
DOIs
Publication statusPublished - 30 Apr 2013

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