Channel-Adaptive GPS scheduling for heterogeneous multimedia in CDMA networks

Authors:
Yongchan Jeong;Jitae Shin;Hyoung-Kee Choi
Affiliations:
School of Information and Communication Engineering, Sungkyunkwan University, Suwon, Korea;School of Information and Communication Engineering, Sungkyunkwan University, Suwon, Korea;School of Information and Communication Engineering, Sungkyunkwan University, Suwon, Korea
Venue:
ICCNMC'05 Proceedings of the Third international conference on Networking and Mobile Computing
Year:
2005

Citing 7
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Abstract

Wireless packet-scheduling is a crucial component for providing quality of service (QoS) in CDMA networks. In this paper, we propose channel-adaptive rate-scheduling based on Generalized Processor Sharing (CA-GPS) to guarantee minimum service rate and to provide proportional fairness among heterogeneous multimedia traffic for QoS differentiation. The CA-GPS scheduler assigns different GPS weights according to traffic priorities, to provide differentiated services under time-varying channel conditions. Soft-uplink capacity analysis is performed and used to improve the utilization of CDMA system resources. The performance analysis and evaluation of proposed CA-GPS is achieved via simulation in terms of achievable throughput, delay, and proportional fairness.