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🏛️國立陽明交通大學機構典藏

Author: search.filters.author.Chang, CJSubject: search.filters.subject.connection admission control

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Now showing 1 - 3 of 3
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    Item type:Item,
    Design of a power-spectrum-based ATM connection admission controller for multimedia communications
    (1998-02-01)
    Chang, CJ
    ;
    Lin, CH
    ;
    Guan, DS
    ;
    Cheng, RG
    ;
    電信工程研究所
    This paper proposes a power-spectrum-based connection admission controller design in asynchronous transfer mode (ATM) switches for multimedia communications, The controller contains a power-spectrum-indexed table for managing multimedia call requests, where traffic characteristics of call requests are described by the power spectrum, The power spectrum can be obtained from the claimed traffic parameters of peak rate, mean rate, and peak rate duration; the pow er spectrum has been shown to have a dominant effect on system performance, The results show that the proposed power-spectrum-based connection admission control method achieves higher system utilization and lower call-blocking probability than the equivalent-capacity allocation method.
  • Thumbnail Image
    Item type:Item,
    Design of a power-spectrum-based ATM connection admission controller for multimedia communications
    (1998-02-01)
    Chang, CJ
    ;
    Lin, CH
    ;
    Guan, DS
    ;
    Cheng, RG
    ;
    電信工程研究所
    This paper proposes a power-spectrum-based connection admission controller design in asynchronous transfer mode (ATM) switches for multimedia communications, The controller contains a power-spectrum-indexed table for managing multimedia call requests, where traffic characteristics of call requests are described by the power spectrum, The power spectrum can be obtained from the claimed traffic parameters of peak rate, mean rate, and peak rate duration; the pow er spectrum has been shown to have a dominant effect on system performance, The results show that the proposed power-spectrum-based connection admission control method achieves higher system utilization and lower call-blocking probability than the equivalent-capacity allocation method.
  • Thumbnail Image
    Item type:Item,
    A power-spectrum based neural fuzzy connection admission mechanism for ATM networks
    (1997)
    Chang, CJ
    ;
    Lin, SY
    ;
    Shiue, YR
    ;
    Cheng, RG
    ;
    交大名義發表
    ATM (asynchronous transfer mode) networks support services with bursty traffic. A sophisticated and real-time admission controller is needed not only to guarantee the required quality-of-service (QoS) for existing calls but also to achieve higher system efficiency. In this paper, we propose a power-spectrum based neural fuzzy connection admission control (PNFCAC) mechanism for an ATM network. Power-spectrum of input process explicitly describes the correlation behavior of input traffic and has a great impact on the queueing behavior of an ATM net work. The neural fuzzy controller has been successfully applied to deal with the complex problem which can not be analyzed by classical methods based on probability theory and bivalent logic for recent years. Under the constraint of QoS, we construct a decision hyperplane of the connection admission control according to parameters of the power spectrum. We further adopt the learning/adapting capabilities of the neural network to adjust the optimum location of the boundary between these two decision space. Simulation results show that the PNFCAC mechanism provides a superior system utilization over the conventional CAC schemes and the neural fuzzy CAC using time-domain analysis, while keeping the QoS contract.