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Packet Utility Based Packet Scheduling for OFDMA Networks with Heterogeneous Delay Requirements
Gangming LV
Shihua ZHU
Zhimeng ZHONG
Publication
IEICE TRANSACTIONS on Communications Vol.E92-B No.6 pp.2336-2340
Publication Date: 2009/06/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword:
OFDMA,
packet scheduling,
delay requirements,
Full Text: PDF(306KB)
Summary:
A delay-oriented packet scheduling scheme is proposed for downlink OFDMA networks with heterogeneous delay requirements. Using a novel packet utility concept, the proposed algorithm can exploit diversity from traffic characteristics and requirements to improve delay performance for delay sensitive traffics. Besides, the proposal also shows good ability in balancing fairness and efficiency. Simulation results show that our proposal outperforms existing delay-oriented scheduling schemes in terms of both delay performance and spectrum efficiency.
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