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Spectrum sharing improves the network efficiency for cellular operators
Dresden Univeristy of Technology.
Università degli Studi di Padova.
Bell Labs, Alcatel-Lucent.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
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2014 (English)In: IEEE Communications Magazine, ISSN 0163-6804, E-ISSN 1558-1896, Vol. 52, no 3, 129-136 p.Article in journal (Refereed) Published
Abstract [en]

The paper describes the potential gain by spectrum sharing between cellular operators in terms of network efficiency. The focus of the study is on a specific resource sharing scenario: spectrum sharing between two operators in cellular downlink transmission. If frequency bands are allocated dynamically and exclusively to one operator – a case called orthogonal spectrum sharing – significant gains in terms of achievable throughput (spectrum sharing gains between 50% and 100%) and user satisfaction are reported for asymmetric scenarios at link and system level as well as from two hardware demonstrators. Additionally, if frequency bands are allocated simultaneously to two operators – a case called non-orthogonal spectrum sharing – further gains are reported. In order to achieve these, different enablers from hardware technologies and base station capabilities are required. However, we argue that all requirements are fulfilled in 3GPP and newer mobile standards. Therefore, the results and conclusions of this overview paper encourage to seriously consider the inter-operator spectrum sharing technologies.

Place, publisher, year, edition, pages
IEEE Communications Society, 2014. Vol. 52, no 3, 129-136 p.
National Category
Telecommunications Communication Systems
URN: urn:nbn:se:liu:diva-94753DOI: 10.1109/MCOM.2014.6766097ISI: 000333105100020OAI: diva2:634905
EU, FP7, Seventh Framework Programme, 248001
Available from: 2013-07-02 Created: 2013-07-02 Last updated: 2014-04-25

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Karipidis, Eleftherios
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