Abstract

Models for the downlink capacity of WCDMA systems with dedicated channels as specified in the UMTS Release '99 rely on the orthogonality factor for approximating the intra-cell interference due to multi-path propagation. This model is no longer applicable for the HSDPA as the performance of fast scheduling and adaptive modulation and coding depends on the small-scale fading effects. This leads to the problem on how to produce reliable statistics for the long-term system-level behavior when small-scale fading effects are not negligible. In this paper we introduce a general framework on how to perform time-efficient simulations that capture the effects of small-scale fading.

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