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Resource sharing in heterogeneous and Cloud Radio Access Networks

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2 Author(s)
Anna Zakrzewska ; Department of Photonics Engineering, Technical University of Denmark, Ørsteds Plads 343, 2800 Kgs. Lyngby, Denmark ; Villy B. Iversen

This paper analyzes performance of cellular systems with shared resources, where the network with overlapping cells is modeled as a circuit switched network with direct routing. The influence of the degree of sharing, represented by cell overlap percentage, on the call blocking probability is investigated for three scenarios, including cells with proportional offered traffic and resources, cells dimensioned according to fixed blocking probability, and fixed improvement function. The numerical results show that by sharing the resources between the operators, the overall system efficiency can be improved. The benefits of individual operators are not equal but highly depend on the initial network dimensioning. Furthermore, we demonstrate that under specific conditions the blocking probability in an area is lower than for fully accessible system and therefore, sharing agreements may be more beneficial for some operators.

Published in:

Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT), 2012 4th International Congress on

Date of Conference:

3-5 Oct. 2012