A flow level capacity comparison of UMTS and HSDPA
conference paper
Using an operator perspective, we present a flow level capacity comparison of an HSDPA and a typically deployed release ‘99-based UMTS network, both in a qualitative and quantitative sense. The purpose of the qualitative reasoning is to generate a solid intuitive understanding of the HSDPA benefits. In the quantitative study, we resolve a number of identified key shortcomings that are associated with existing comparison studies, where either an unrealistically favourable UMTS reference model or a too simplified HSDPA model was considered, the flow level dynamics were ignored, and/or the average aggegrate cell throughput was selected as a performance measure rather than the supportable traffic load under a pre-determined sensible performance target. For the considered scenarios, the numerical results demonstrate a significant capacity gain of HSDPA over UMTS, the magnitude of which strongly depends on the considered performance target. Some sensible options indicate a capacity gain between 100 − 500%.
Topics
TNO Identifier
434152
Pages
1-16
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