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2009, Volume 5, Issue 3: 541-552. Doi: 10.3934/jimo.2009.5.541
This issue Previous Article Delay distribution and loss probability of bandwidth requests under truncated binary exponential backoff mechanism in IEEE 802.16e over Gilbert-Elliot error channel Next Article Feedback limited opportunistic scheduling and admission control for ergodic rate guarantees over Nakagami-$m$ fading channels

Traffic modelling and bandwidth allocation algorithm for video telephony service traffic

  • 1.

    Department of Mathematical Sciences and Telecommunication Engineering Program, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701

  • 2.

    R&D Division, Corporate Customer Supporting BU, Business Group, KT, KT Daeduk 2 Center, Daejeon 305-811

Received:  July 31, 2008
Revised:  March 31, 2009
Published:  June 2009
Abstract Related Papers Cited by
    Abstract
  • In this paper, we analyze the stochastic characteristics of the measured video telephony service traffic and propose a mathematical model of the video telephony service traffic based on the analyzed stochastic characteristics. From our analysis, a voice traffic can be modelled by a renewal process with deterministic inter-arrival times and fixed packet size. On the other hand, a video traffic is modelled by an on and off source, where on and off periods are according to gamma distributions with respective parameters. Using the mathematical model, we estimate the required bandwidth to satisfy a given Quality of Service (QoS) requirement for the video telephony service traffic. To show the validity of our analysis, numerical studies with the NS-2 simulator are provided.
    Mathematics Subject Classification: Primary: 90B22; Secondary: 90B15, 90B18.

    Citation:
    shu

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