Urban cellular planning optimisation of multi-service enhanced UMTS based in economic issues

Authors:
Orlando Cabral;Fernando J. Velez;Cátia Franco;Ricardo Rei
Affiliations:
IT-DEM, University of Beira, Covilhã, Portugal;IT-DEM, University of Beira, Covilhã, Portugal;IT-DEM, University of Beira, Covilhã, Portugal;IT-DEM, University of Beira, Covilhã, Portugal
Venue:
WWIC'06 Proceedings of the 4th international conference on Wired/Wireless Internet Communications
Year:
2006

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Abstract

Results for Enhanced UMTS (E-UMTS) cost/revenue optimisation are obtained, as a function of the coverage distance, R. E-UMTS traffic generation and activity models are described and characterised in an urban scenario based on population and service penetration values. By using a System Level Simulator results were obtained for blocking and handover failure probabilities. Models for the supported fraction of active users and for the supported throughput, as a function of active users, were obtained. When one amplifier is used, the maximum throughput per BS is around 600kb/s. However, it achieves values up to 2000kb/s when three amplifiers per BS are considered. Generally, the profit in percentage is a decreasing function with R. The use of three amplifiers per BS is strongly advised in order to get cheaper communications, with prices that vary from 0.016 to 0.07 €/min, for R=250 and 1075m, respectively.