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Capacity Gains due to Orthogonal Spectrum Sharing in Multi-Operator LTE Cellular Networks
IMT of Lucca.
Università degli Studi di Padova.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Università degli Studi di Padova.
2012 (English)In: Proceedings of the Ninth International Symposium on Wireless Communication Systems (ISWCS), 2012, 286-290 p.Conference paper, Published paper (Refereed)
Abstract [en]

Static spectrum allocation leads to resource wastage and inter-operator spectrum sharing is a possible way to improve spectrum efficiency. In this work, we assume that two cellular network operators agree upon sharing part of their spectrum, which can then be dynamically accessed by either of them in a mutually exclusive way. Our goal is to numerically assess the gain, in terms of cell capacity, due to such orthogonal spectrum sharing. Hence, we propose a centralized algorithm that performs coordinated scheduling, in order to numerically evaluate an upper bound on the achievable sum capacity. The algorithm is centralized and exploits complete information on both networks to perform the optimum allocation. The simulation results illustrate the impact of the multiuser diversity and the asymmetry in the traffic load among the networks on the overall achievable gain.

Place, publisher, year, edition, pages
2012. 286-290 p.
National Category
Communication Systems Telecommunications
Identifiers
URN: urn:nbn:se:liu:diva-77892DOI: 10.1109/ISWCS.2012.6328375ISBN: 978-1-4673-0760-4 (print)ISBN: 978-1-4673-0761-1 (print)OAI: oai:DiVA.org:liu-77892DiVA: diva2:529738
Conference
The Ninth International Symposium on Wireless Communication Systems (ISWCS), Aug. 28-31, 2012, Paris, France
Funder
EU, FP7, Seventh Framework Programme, 248001
Available from: 2012-05-31 Created: 2012-05-31 Last updated: 2014-11-04

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