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Interoperator Dynamic Spectrum Sharing (Analysis, Costs and Implications)
Gbenga Salami, Rahim Tafazolli
Pages - 47 - 61     |    Revised - 25-02-2010     |    Published - 31-03-2010
Volume - 2   Issue - 1    |    Publication Date - March 2010  Table of Contents
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KEYWORDS
spectrum sharing, queuing, UMTS
ABSTRACT
This paper addresses Dynamic Spectrum Sharing (DSS) between two wireless operators. The Universal Mobile Telecommunication System (UMTS) network is used as a case study. The proposed protocol is evaluated under the uniform and non-uniform traffic conditions. The underlying principles of the algorithm can be deployed in the UMTS extension Band (2500MHz-2690MHz) which is yet to be allocated or the re-farmed GSM spectrum (900MHz/1800MHz). The simulation results for the proposed protocol shows that significant spectrum sharing gains can be obtained. However such spectrum efficiency gain need to be carefully balanced with the complexity in terms of latency (delays) and additional overhead it brings to the network. The results show that significant spectrum sharing gain of 4.0 % and 2.0 % can be obtained under uniform and non-uniform traffic conditions
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Mr. Gbenga Salami
- United Kingdom
G.Salami@surrey.ac.uk
Dr. Rahim Tafazolli
-