Traffic Modeling and Performance Evaluation in GSM/GPRS Networks

Abstract

The sharing of resources between different users and different services is a key concept of radio resources dimensioning in GSM/GPRS networks. In this paper we present dimensioning rules based on traffic evaluation and quality of service level for GSM/GPRS users, focused on two radio resources allocation strategies: CP (Complete Partitioning) and PP( Partial Partitioning).The quality of service is give by the blocking probability according to Erlang-B formula for voice users meanwhile for GPRS users the individual throughput and the blocking probability represent the performance parameters. The preemption probability of voice over data users is also considered. Key-Words: GSM, GPRS, modeling, blocking probability, Erlang-B law, Engset law, throughput

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