P-CAS: A Priority-Based Channel Assignment Scheme over Multi-Channel Cable Network for UGS Service Provisioning

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題名:	P-CAS: A Priority-Based Channel Assignment Scheme over Multi-Channel Cable Network for UGS Service Provisioning
作者:	李維聰;Lee, Wei-Tsong;Chu, Kuo-chih;Tan, Chin-ping
貢獻者:	淡江大學電機工程學系
關鍵詞:	Data-Over-Cable Service Interface Specifications(DOCSIS);Hybrid Fiber Coaxial(HFC);Cable Network;Quality of Service(QoS)
日期:	2007-12-01
上傳時間:	2010-12-01 10:36:22 (UTC+8)
出版者:	臺北縣：淡江大學
摘要:	Currently, the most popular standard adopted in cable network is the Data-Over-Cable Service Interface Specifications (DOCSIS) protocol. For supporting emerging multimedia applications, several QoS mechanisms and service types were defined in DOCSIS. DOCSIS, however, did not specify how to schedule these QoS-enabled traffics and thus this paper tries to offer a priority-based scheduling scheme with dynamic channel assignment to support the Unsolicited Grant Service (UGS). By considering the tolerated jitter and throughput of each request, we defined certain priority equations and channel assignment rules for the service scheduling. According to simulation results, our solution, named Priority-based Channel Assignment Scheme (P-CAS), provides decent service delivery rate, channel utilization ratio, channel load balance, and fair bandwidth utilization.
關聯:	淡江理工學刊=Tamkang journal of science and engineering 10(4)，頁341-350
DOI:	10.6180/jase.2007.10.4.06
顯示於類別:	[電機工程學系暨研究所] 期刊論文

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