Emulation of a Downlink Spreading Factor Allocation Strategy for Rel'99 UMTS

Hugues Van Peteghem, Laurent Schumacher

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Résumé

Based on the end-to-end delay experienced by the user, this paper derives a spreading factor allocation map for the four UMTS traffic classes and for four user profiles with the help of a computer testbed emulating the UTRAN. Using this allocation map, the performance of the UTRAN is measured in terms of cell throughput and blocking rate in different scenarios.

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