Two-Way Relaying under the Presence of Relay Transceiver Hardware Impairments
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.
Keywords
Cite
@article{arxiv.1307.2923,
title = {Two-Way Relaying under the Presence of Relay Transceiver Hardware Impairments},
author = {Michail Matthaiou and Agisilaos Papadogiannis and Emil Björnson and Mérouane Debbah},
journal= {arXiv preprint arXiv:1307.2923},
year = {2014}
}
Comments
Published in IEEE Communications Letters, 4 pages, 3 figures. The results can be reproduced using the following Matlab code: https://github.com/emilbjornson/twoway-relaying-hardware-impairments