A fair spectrum sharing framework based on topological sort and max weight for femtocells

Huiyang Wang, Eryk Dutkiewicz, Gengfa Fang, Markus Dominik Mueck

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

Abstract

Femto base stations will be widely deployed in 5G times for compensating poor cellular coverage for use in residential or small business environments. In this paper, we propose a spectrum sharing framework, where a cluster of femtocells are under the control of a centralized local manager. The framework assumes that each femto base station has the sniffing ability that can detect its neighbor femtocells and the controller can then have complete knowledge of local interference constraints. Unlike distributed WiFi that runs on unlicensed band, the femtocell owned by a carrier runs on licensed band and the carrier prefers a centralized system to a distributed one. Therefore, a fair spectrum sharing policy on the licensed band is more important among carriers to break the monopoly and inefficient spectrum allocation. Considering the spectrum can be spatial reused, an interference graph is adopted to avoid the interference between femtocells of all the carriers. We test the framework not only by comparing the average number of channels per user can get but also the variance to guarantee the fairness. In this framework, the scheme combining topological sort and maximum traffic load of femtocell contributes to keep a better balance on the average number of channels and variance.

Original languageEnglish
Title of host publication2016 Australian Communications Theory Workshop, AusCTW 2016
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages169-174
Number of pages6
ISBN (Electronic)9781509001330
DOIs
Publication statusPublished - 14 Mar 2016
EventAustralian Communications Theory Workshop, AusCTW 2016 - Melbourne, Australia
Duration: 20 Jan 201623 Jan 2016

Other

OtherAustralian Communications Theory Workshop, AusCTW 2016
CountryAustralia
CityMelbourne
Period20/01/1623/01/16

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