Distributed dynamic channel assignment for a multi-hop virtual cellular system

Eisuke Kudoh, Fumiyuki Adachi

    Research output: Contribution to journalConference articlepeer-review

    7 Citations (Scopus)


    There have been strong demands for higher speed data transmissions in mobile communications. To reduce the peak transmit power while increasing the data transmission rates, authors recently proposed a wireless multi-hop virtual cellular system. In a multi-hop virtual cellular system, an efficient channel allocation algorithm is necessary. In this paper, the channel segregation dynamic channel allocation (CS-DCA) scheme is applied. After all multi-hop routes over distributed wireless ports in a virtual cell are constructed, the CS-DCA is carried out to allocate the channels to multi-hop up and down links. Each wireless port is equipped with a channel priority table. The transmit wireless port of each link initiates the CS-DCA procedure and selects a channel among available ones using its channel priority table to check. In this paper, the DCA failure rate is evaluated by computer simulation. It is found that the failure rate is almost insensitive to the allowable number of hops.

    Original languageEnglish
    Pages (from-to)2286-2290
    Number of pages5
    JournalIEEE Vehicular Technology Conference
    Issue number4
    Publication statusPublished - 2004 Dec 1
    Event2004 IEEE 59th Vehicular Technology Conference, VTC2004-Spring: Towards a Global Wireless World - Milan, Italy
    Duration: 2004 May 172004 May 19


    • Adhoc network
    • Dynamic channel allocation
    • Multi-hop network
    • Routing
    • Virtual cellular system

    ASJC Scopus subject areas

    • Computer Science Applications
    • Electrical and Electronic Engineering
    • Applied Mathematics


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