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

doi:10.6180/jase.2007.10.4.06

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Title:	P-CAS: A Priority-Based Channel Assignment Scheme over Multi-Channel Cable Network for UGS Service Provisioning
Authors:	李維聰;Lee, Wei-Tsong;Chu, Kuo-chih;Tan, Chin-ping
Contributors:	淡江大學電機工程學系
Keywords:	Data-Over-Cable Service Interface Specifications(DOCSIS);Hybrid Fiber Coaxial(HFC);Cable Network;Quality of Service(QoS)
Date:	2007-12-01
Issue Date:	2010-12-01 10:36:22 (UTC+8)
Publisher:	臺北縣：淡江大學
Abstract:	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.
Relation:	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
Appears in Collections:	[Graduate Institute & Department of Electrical Engineering] Journal Article

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