Adaptive Priority-Based Downlink Scheduling for WiMAX Networks

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題名:	Adaptive Priority-Based Downlink Scheduling for WiMAX Networks
作者:	Shih-Jung Wu;Shih-Yi Huang;Kuo-Feng Huang
貢獻者:	淡江大學資訊創新與科技學系
關鍵詞:	IEEE 802.16;quality of service (QoS);resource management;WiMAX.
日期:	2012-12
上傳時間:	2017-12-22 02:10:21 (UTC+8)
出版者:	Korean Institute of Communication Sciences
摘要:	Supporting quality of service (QoS) guarantees for diverse multimedia services are the primary concerns for WiMAX (IEEE 802.16) networks. A scheduling scheme that satisfies QoS requirements has become more important for wireless communications. We propose a downlink scheduling scheme called adaptive priority-based downlink scheduling (APDS) for providing QoS guarantees in IEEE 802.16 networks. APDS comprises two major components: Priority assignment and resource allocation. Different service-type connections primarily depend on their QoS requirements to adjust priority assignments and dispatch bandwidth resources dynamically. We consider both starvation avoidance and resource management. Simulation results show that our APDS methodology outperforms the representative scheduling approaches in QoS satisfaction and maintains fairness in starvation prevention.
關聯:	Journal of Communications and Networks 14(6), p.692-702
DOI:	10.1109/JCN.2012.00035
顯示於類別:	[資訊工程學系暨研究所] 期刊論文

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