Impact of I/Q imbalance on the performance of two-way CSI-assisted AF relayingQi, J., Aissa, S. and Alouini, M.-S. (2013) Impact of I/Q imbalance on the performance of two-way CSI-assisted AF relaying. In: 2013 IEEE Wireless Communications and Networking Conference (WCNC). IEEE, pp. 2507-2512. ISBN 9781467359382 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1109/WCNC.2013.6554955 Abstract/SummaryIn this paper, we investigate half-duplex two-way dual-hop channel state information (CSI)-assisted amplify-and-forward (AF) relaying in the presence of in-phase and quadrature-phase (I/Q) imbalance. A compensation approach for the I/Q imbalance is proposed, which employs the received signals together with their conjugations to detect the desired signal. We also derive the average symbol error probability of the considered half-duplex two-way dual-hop CSI-assisted AF relaying networks with and without compensation for I/Q imbalance in Rayleigh fading channels. Numerical results are provided and show that the proposed compensation method mitigates the impact of I/Q imbalance to a certain extent.
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