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Massive MIMO-Enabled Full-Duplex Cellular Networks

Shojaeifard, A; Wong, KK; Renzo, MD; Zheng, G; Hamdi, KA; Tang, J; (2017) Massive MIMO-Enabled Full-Duplex Cellular Networks. IEEE Transactions on Communications 10.1109/TCOMM.2017.2731768. (In press). Green open access

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OAPA We provide a theoretical framework for the study of massive multiple-input multiple-output (MIMO)-enabled fullduplex (FD) cellular networks in which the residual selfinterference (SI) channels follow the Rician distribution and other channels are Rayleigh distributed. In order to facilitate bi-directional wireless functionality, we adopt (i) in the downlink (DL), a linear zero-forcing with self-interference-nulling (ZFSIN) precoding scheme at the FD base stations (BSs), and (ii) in the uplink (UL), a self-interference-aware (SIA) fractional power control mechanism at the FD mobile terminals (MTs). Linear ZF receivers are further utilized for signal detection in the UL. The results indicate that the UL rate bottleneck in the FD baseline single-input single-output (SISO) system can be overcome via exploiting massive MIMO. On the other hand, the findings may be viewed as a reality-check, since we show that, under state-ofthe- art system parameters, the spectral efficiency (SE) gain of FD massive MIMO over its half-duplex (HD) counterpart is largely limited by the cross-mode interference (CI) between the DL and the UL. In point of fact, the anticipated two-fold increase in SE is shown to be only achievable when the number of antennas tends to be infinitely large.

Type: Article
Title: Massive MIMO-Enabled Full-Duplex Cellular Networks
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/TCOMM.2017.2731768
Publisher version: http://doi.org/10.1109/TCOMM.2017.2731768
Language: English
Additional information: This work is licensed under a Creative Commons Attribution 3.0 License. For more information, see http://creativecommons.org/licenses/by/3.0/
Keywords: MIMO, Silicon, High definition video, Cellular networks, Interference, Radio frequency, Receiving antennas, Full-duplex, cellular network, massive MIMO, self-interference, cross-mode interference, uplink power control, Rician fading channel, stochastic geometry theory
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/1574624
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