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Two-Way Relaying Under the Presence of Relay Transceiver Hardware Impairments
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
2013 (English)In: IEEE Communications Letters, ISSN 1089-7798, Vol. 17, no 6, 1136-1139 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2013. Vol. 17, no 6, 1136-1139 p.
Keyword [en]
Amplify-and-forward, outage probability, symbol error rate, transceiver impairments, two-way relaying
National Category
URN: urn:nbn:se:kth:diva-125760DOI: 10.1109/LCOMM.2013.042313.130191ISI: 000321194500021ScopusID: 2-s2.0-84880146280OAI: diva2:640610
Swedish Research Council, 2012-228

QC 20130814

Available from: 2013-08-14 Created: 2013-08-13 Last updated: 2015-06-24Bibliographically approved

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