A Channel based Fair Scheduling Scheme for Downlink Data Transmission in TD-CDMA Networks

Authors:
Ying Zhao;Alagan Anpalagan
Affiliations:
Electrical and Computer Engineering, Ryerson University, Toronto, Canada M5B 2K3;Electrical and Computer Engineering, Ryerson University, Toronto, Canada M5B 2K3
Venue:
Wireless Personal Communications: An International Journal
Year:
2008

Citing 7
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Abstract

High speed data transmission in wireless networks demands better radio resource management schemes. A fair packet scheduling is proposed for downlinks of a cellular TD-CDMA system for delay-tolerant applications. It is based on the combined consideration of channel conditions, required throughput and achieved average throughput. A system dependent parameter is introduced to control the maximum achievable date rate as well as the degree of fairness. Through analysis and simulation, we study the tradeoff between system throughout (i.e., efficiency) and individual throughput (i.e., fairness). The relative performance between the proposed scheme and the traditional schemes is evaluated through simulation to confirm the analytical observations. The sensitivity of the system tolerance factor towards efficiency and fairness is also investigated.