Modeling virtualized downlink cellular networks with ultra-dense small cells

Hazem Ibrahim, Hesham Elsawy, Uyen T. Nguyen, Mohamed-Slim Alouini

Research output: Chapter in Book/Report/Conference proceedingConference contribution

14 Scopus citations

Abstract

The unrelenting increase in the mobile users' populations and traffic demand drive cellular network operators to densify their infrastructure. Network densification increases the spatial frequency reuse efficiency while maintaining the signal-to-interference-plus-noise-ratio (SINR) performance, hence, increases the spatial spectral efficiency and improves the overall network performance. However, control signaling in such dense networks consumes considerable bandwidth and limits the densification gain. Radio access network (RAN) virtualization via control plane (C-plane) and user plane (U-plane) splitting has been recently proposed to lighten the control signaling burden and improve the network throughput. In this paper, we present a tractable analytical model for virtualized downlink cellular networks, using tools from stochastic geometry. We then apply the developed modeling framework to obtain design insights for virtualized RANs and quantify associated performance improvement. © 2015 IEEE.
Original languageEnglish (US)
Title of host publication2015 IEEE International Conference on Communications (ICC)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages5360-5366
Number of pages7
ISBN (Print)9781467364324
DOIs
StatePublished - Sep 11 2015

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