Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/25273
Title: Provision of continuous VCR functions in interactive broadcast VoD systems
Authors: Poon, WF
Lo, KT 
Feng, J
Keywords: Interactive TV
VCR functionality
Video broadcast
Video-on-demand (VoD)
Issue Date: 2005
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on broadcasting, 2005, v. 51, no. 4, p. 460-471 How to cite?
Journal: IEEE transactions on broadcasting 
Abstract: Video broadcasting is one of the feasible solutions to implement a large-scale video-on-demand (VoD) system. Nevertheless, it is still an open issue for the provision of continuous VCR functions in a delay insensitive broadcast VoD system. In this paper, we propose to jointly optimize an active buffer management scheme with contingency channels to support the VCR functions in an efficient protocol called partitioned broadcasting. We develop a greedy channel management scheme by exploiting the property of the broadcasting protocol such that the system bandwidth capacity can be fully utilized. Incorporating the channel management scheme with the partitioned video broadcast, the VoD system not only provides delay insensitive services but also handles all the interactive requests. Extensive simulation results demonstrate that the partitioned broadcasting system outperforms the traditional system based on the staggered broadcasting protocols. It is found that 20 broadcasting channels and 10 contingency channels are sufficient to support on average 720 customers for a single video with less that one second start-up delay and all types of VCR functions.
URI: http://hdl.handle.net/10397/25273
ISSN: 0018-9316
EISSN: 1557-9611
DOI: 10.1109/TBC.2005.857607
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