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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/25506

Title: Contention resolution algorithms for CATV networks based on the DVB/DAVIC protocol
Authors: Rangel, V.
Edwards, R.M.
Schunke, K.
Issue Date: 2001
Publisher: IEE on behalf of the International Broadcasting Convention
Citation: RANGEL, V., EDWARDS, R.M. and SCHUNKE, K., 2001. Contention resolution algorithms for CATV networks based on the DVB/DAVIC protocol. IN: Proceedings of the International Broadcasting Conference (IBC), Amsterdam, 13-18th Sept., I, pp. 193-202.
Abstract: In a bi-directional Community Antenna Television (CATV) Network the use of a Contention Resolutions Algorithm (CRA) is essential in order to allocate the bandwidth of the multiaccess medium in the upstream direction between the active stations. Two of the CRAs known as exponential backoff algorithm and splitting tree algorithm, have recently been adopted by the Digital Video Broadcasting (DVB)/Digital Audio-Visual Council (DAVIC) Cable Television Protocol. In this paper we present a performance analysis and a comparison of both algorithms in terms of mean access delay and system throughput for different traffic source scenarios (i.e. Internet traffic, Voice over IP, and mixed traffic). The analysis focuses on changes in performance when selecting different backoff bounds for the exponential backoff algorithm and different values for the Entry-Spreading factor of the splitting tree algorithm. The results presented here show that an increase over 10% in system performance can be obtained by selecting the splitting tree algorithm for different traffic sources.
Description: This is a conference paper.
Version: Accepted for publication
URI: https://dspace.lboro.ac.uk/2134/25506
Appears in Collections:Conference Papers and Presentations (Mechanical, Electrical and Manufacturing Engineering)

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