A Comprehensive Study and Performance Evaluation of Operational GSM and GPRS Systems under Varying Traffic Conditions
نویسندگان
چکیده
In the light of the introduction of 3G systems, we present a comprehensive study of the performance of GSM and GPRS. UMTS is already in a few countries deployed, on the other hand it is expected that it will be limited to hot-spot areas, while voice calls will be preferably established with existing networks. At the early 80’s, when GSM was introduced it was considered as an overspecified system. Nowadays it is obvious that the whole range of services is used and in addition performance is degreasing, due to the rapidly increased number of mobile subscribers. We strongly believe that GSM is not yet optimized and this is a motivation to trigger new research topics in this area.
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