Adaptive Qos-Aware Wireless Packet Scheduling in OFDMA Broadband Wireless Systems

Authors:
Kwangsik Myung;Seungwan Ryu;Byunghan Ryu;Seungkwon Hong;Myungsik Yoo
Affiliations:
Department of Information Systems, Chung-Ang University, Korea;Department of Information Systems, Chung-Ang University, Korea and Broadband Mobile MAC team, ETRI, Korea;Broadband Mobile MAC team, ETRI, Korea;Department of Industrial and Management Engineering, ChungJu Univ.,;Department of Telecom. and Electronic Engineering, Soongsil Univ.,
Venue:
Information Networking. Towards Ubiquitous Networking and Services
Year:
2008

Citing 3
Cited 0

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Providing quality of service over a shared wireless link

IEEE Communications Magazine

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Abstract

In this paper, we propose the urgency and efficiency based wireless packet scheduling (UEPS) algorithm designed not only to support multiple users simultaneously but also to serve real time (RT) and non-real time (NRT) traffics for a user at the same time. The design goal of the UEPS algorithm is to maximize throughput of NRT traffics with satisfying QoS requirements of RT traffics. We also developed two packet loading methods, an optimized and a fast implementation-based methods . Simulation study shows that there is no significant difference on performance of the UEPS algorithm under two packet loading methods.