A comparison of scheduling mechanisms for service class differentiation in HSDPA networks

This paper compares classical scheduling mechanisms to provide service class differentiation and their adaptation to the wireless domain, for example, a state-of-the-art HSDPA-system and discusses the advantages and disadvantages of the considered approaches.

Abstract

Scheduling and service class differentiation in wireless systems is a challenging task. Compared to classical wireline systems, various problems arise from the time-varying and error-prone nature of the radio link. In this paper, we compare classical scheduling mechanisms to provide service class differentiation and their adaptation to the wireless domain, for example, a state-of-the-art HSDPA-system. We highlight the main differences between scheduling in fixed and wireless networks and discuss the advantages and disadvantages of the considered approaches.