Optimal hierarchical structure of broadcast network

Takumi Miyoshi, Yoshiaki Tanaka

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    With the realization of broadband integrated service digital networks (B-ISDN), broadcast services will occupy a large part of the network traffic. In these services, the same information is distributed to many subscribers through the point-to-multipoint connection paths. This connection form is quite different from that of conventional point-to-point services. Since the conventional network structure is designed for point-to-point services, the current network topology may lower the quality of service or may increase construction costs. In this paper, the hierarchical broadcast network topology is optimized under certain assumptions: the cost functions, the population distribution, and the percentage of broadcast services are treated as parameters. The result shows that the ring-star-star or ring-ring-star topologies can be better than the conventional mesh-star topology in some cases, and can be much better when the viewing ratio of broadcast services increases.

    Original languageEnglish
    Pages (from-to)48-56
    Number of pages9
    JournalElectronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi)
    Volume82
    Issue number2
    Publication statusPublished - 1999 Feb

    Fingerprint

    Stars
    Topology
    Population distribution
    Voice/data communication systems
    Cost functions
    Quality of service
    Costs

    Keywords

    • B-ISDN
    • Broadcast
    • Hierarchical structure
    • Network
    • Optimization

    ASJC Scopus subject areas

    • Computer Networks and Communications
    • Electrical and Electronic Engineering

    Cite this

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    abstract = "With the realization of broadband integrated service digital networks (B-ISDN), broadcast services will occupy a large part of the network traffic. In these services, the same information is distributed to many subscribers through the point-to-multipoint connection paths. This connection form is quite different from that of conventional point-to-point services. Since the conventional network structure is designed for point-to-point services, the current network topology may lower the quality of service or may increase construction costs. In this paper, the hierarchical broadcast network topology is optimized under certain assumptions: the cost functions, the population distribution, and the percentage of broadcast services are treated as parameters. The result shows that the ring-star-star or ring-ring-star topologies can be better than the conventional mesh-star topology in some cases, and can be much better when the viewing ratio of broadcast services increases.",
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