DOCSIS performance analysis under high traffic conditions in the HFC networks

doi:10.1109/TBC.2005.860539

機構典藏 > College of Engineering > Graduate Institute & Department of Electrical Engineering > Journal Article > Item 987654321/46207

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Title:	DOCSIS performance analysis under high traffic conditions in the HFC networks
Authors:	李維聰;Lee, Wei-tsong;Chung, Kun-chen;Chu, Kuo-chih;Pan, Jen-yi
Contributors:	淡江大學電機工程學系
Keywords:	CATV;DOCSIS protocol;Hybrid Fiber Coaxial (HFC);MAC
Date:	2006-03
Issue Date:	2010-03-26 21:15:28 (UTC+8)
Publisher:	Piscataway: Institute of Electrical and Electronics Engineers (IEEE)
Abstract:	Hybrid Fiber Coaxial (HFC) networks provide a wide bandwidth and represent the solution of choice for many residential networks nowadays. The Data Over Cable Service Interface Specification (DOCSIS) protocol is an important standard for HFC networks and is supported by the majority of current vendors. This protocol uses the Truncated Binary Exponential Back-off (TBEB) algorithm to resolve collisions within the network by means of a back-off window. However, the performance of this algorithm tends to deteriorate when the network load is high. Consequently, the present study develops a novel mathematical model for the TBEB algorithm and then uses this model to identify the window size which yields the optimal system throughput and minimum delay time under high traffic conditions. The present numerical results confirm that the performance is improved when the window settings identified from the developed model are applied.
Relation:	IEEE Transactions on Broadcasting 52(1), pp.21-30
DOI:	10.1109/TBC.2005.860539
Appears in Collections:	[Graduate Institute & Department of Electrical Engineering] Journal Article

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