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Throughput and Energy Efficiency for S-FFR in Massive MIMO Enabled Heterogeneous C-RAN

He, A; Wang, L; Chen, Y; Wong, K-K; Elkashlan, M; (2016) Throughput and Energy Efficiency for S-FFR in Massive MIMO Enabled Heterogeneous C-RAN. In: Shen, Xuemin (Sherman) and Brandt-Pearce, Maite and Ulukus, Sennur, (eds.) Proceedings of 2016 IEEE Global Communications Conference (GLOBECOM). IEEE: Washington, DC USA. Green open access

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Abstract

This paper considers the massive multiple-input multiple-output (MIMO) enabled heterogeneous cloud radio access network (C-RAN), in which both remote radio heads (RRHs) and massive MIMO macrocell base stations (BS) are deployed to potentially accomplish high throughput and energy efficiency (EE). In this network, the soft fractional frequency reuse (S-FFR) is employed to mitigate the inter-tier interference. We develop a tractable analytical approach to evaluate the throughput and EE of the entire network, which can well predict the impacts of the key system parameters such as number of macrocell BS antennas, RRH density, and S-FFR factor, etc. Our results demonstrate that massive MIMO is still a powerful tool for improving the throughput of the heterogeneous C-RAN while RRHs are capable of achieving higher EE. The impact of S-FFR on the network throughput is dependent on the density of RRHs. Furthermore, more radio resources allocated to the RRHs can greatly improve the EE of the network.

Type: Proceedings paper
Title: Throughput and Energy Efficiency for S-FFR in Massive MIMO Enabled Heterogeneous C-RAN
Event: 59th Annual IEEE Global Communications Conference (IEEE GLOBECOM)
Location: Washington, DC
Dates: 04 December 2016 - 08 December 2016
ISBN-13: 9781509013289
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/GLOCOM.2016.7842326
Publisher version: https://doi.org/10.1109/GLOCOM.2016.7842326
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: Throughput, MIMO, Interference, Macrocell networks, Power demand, Antenna arrays
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/1549997
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