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On the Performance of Physically Constrained Multi-Pair Two-Way Massive MIMO Relaying with Zero Forcing

Qian, J; Masouros, C; (2019) On the Performance of Physically Constrained Multi-Pair Two-Way Massive MIMO Relaying with Zero Forcing. In: Proceedings of the 30th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC). IEEE: Istanbul, Turkey. Green open access

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Abstract

In this paper, we consider a physically constrained multi-pair two-way massive multiple-input multiple-output (MIMO) decode-and-forward (DF) half-duplex relay system, where multiple single-antenna user pairs exchange information through a massive MIMO relay, and we employ zero-forcing reception/zero-forcing transmission (ZFR/ZFT) at the relay. When the number of relay antennas M becomes very large and tends to be infinite, we study the large-scale approximation of the sum spectral efficiency (SE) with the effect of spatial correlation generated by the constrained space. Furthermore, we investigate the energy efficiency (EE) with a practical power consumption model, and demonstrate the impact of the relay antenna number and the size of constrained space on the EE performance.

Type: Proceedings paper
Title: On the Performance of Physically Constrained Multi-Pair Two-Way Massive MIMO Relaying with Zero Forcing
Event: 2019 IEEE 30th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/PIMRC.2019.8904163
Publisher version: https://doi.org/10.1109/PIMRC.2019.8904163
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Decode-and-forward relaying , massive MIMO , spatial correlation , spectral efficiency and energy efficiency , zero forcing processing
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/10091931
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