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Self-Interference in Full-Duplex Multi-User MIMO Channels

Shojaeifard, A; Wong, K-K; Di Renzo, M; Zheng, G; Hamdi, KA; Tang, J; (2017) Self-Interference in Full-Duplex Multi-User MIMO Channels. IEEE Communications Letters , 21 (4) pp. 841-844. 10.1109/LCOMM.2016.2647709. Green open access

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Abstract

We consider a multi-user multiple-input multipleoutput setup, where full-duplex multi-antenna nodes apply linear beamformers to simultaneously transmit and receive multiple streams over Rician fading channels. The exact first and second positive moments of the residual self-interference (SI), involving the squared norm of a sum of non-identically distributed random variables, are derived in closed-form. The method of moments is hence invoked to provide a Gamma approximation for the residual SI distribution. The proposed theorem holds under arbitrary linear precoder/decoder design, antenna array size, number of information streams, and SI cancellation capability.

Type: Article
Title: Self-Interference in Full-Duplex Multi-User MIMO Channels
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/LCOMM.2016.2647709
Publisher version: http://doi.org/10.1109/LCOMM.2016.2647709
Language: English
Additional information: This is an Open Access article.For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Silicon, Rician channels, Radio frequency, Interference, Electronic mail, Receiving antennas
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1556938
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