Performance analysis on the controllable Slotted DS-CDMA with an allocating buffer for collided traffic

Seri Asavaruk, Suvepon Sittichivapak, Ruttikorn Varakulsiripunth, Yasushi Kato, Norio Shiratori

    Research output: Contribution to journalArticle

    Abstract

    This paper presents an analysis of the Slotted DS-CDMA system with modified node components in order to construct a load control structure in which the service rates of each node can be dynamically adapted without using feedback information. In contrast to the traditional Slotted DS-CDMA which is widely represented with single queue, prior emphasis of the approach is laid on the usage of an additional queue which is applied to manage the collided packet traffic while its queue size is also used as a load control parameter. Semi-Markov process is applied to describe the statistic behavior of the system in steady state. Trade-offs between two major performance parameters, i.e., delay and throughput, are presented and compared with those of the traditional system. Results obtained from the simulation and numerical analysis using queuing concept are compared. With these results, an advantage performance for group packets is shown, and we finally extend the concept based on the obtained results to describe a simple algorithm using one way control message as the tool to alleviate the stability problem.

    Original languageEnglish
    Pages (from-to)2578-2587
    Number of pages10
    JournalIEICE Transactions on Communications
    VolumeE88-B
    Issue number6
    DOIs
    Publication statusPublished - 2005 Jun

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    Code division multiple access
    Markov processes
    Numerical analysis
    Throughput
    Statistics
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    Keywords

    • Collision-resolved queue
    • Message delay
    • Slotted DS-CDMA
    • System throughput

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Computer Networks and Communications

    Cite this

    Performance analysis on the controllable Slotted DS-CDMA with an allocating buffer for collided traffic. / Asavaruk, Seri; Sittichivapak, Suvepon; Varakulsiripunth, Ruttikorn; Kato, Yasushi; Shiratori, Norio.

    In: IEICE Transactions on Communications, Vol. E88-B, No. 6, 06.2005, p. 2578-2587.

    Research output: Contribution to journalArticle

    Asavaruk, Seri ; Sittichivapak, Suvepon ; Varakulsiripunth, Ruttikorn ; Kato, Yasushi ; Shiratori, Norio. / Performance analysis on the controllable Slotted DS-CDMA with an allocating buffer for collided traffic. In: IEICE Transactions on Communications. 2005 ; Vol. E88-B, No. 6. pp. 2578-2587.
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