Two-Way Relaying Under the Presence of Relay Transceiver Hardware Impairments
Artikel i vetenskaplig tidskrift, 2013

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.

two-way relaying


outage probability

transceiver impairments

symbol error rate


Michail Matthaiou

Chalmers, Signaler och system, Signalbehandling och medicinsk teknik, Signalbehandling

Agisilaos Papadogiannis

Chalmers, Signaler och system, Kommunikations- och antennsystem, Kommunikationssystem

E. Bjornson

Kungliga Tekniska Högskolan (KTH)


M. Debbah

Kungliga Tekniska Högskolan (KTH)


IEEE Communications Letters

1089-7798 (ISSN)

Vol. 17 6 1136-1139





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