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    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/2712


    Title: A Least Mean Loss Algorithm for Scheduling Traffic with Deadlines
    Authors: Chu-Yin Huang
    Contributors: Department of Photonics and Communication Engineering
    Keywords: uality of service;QoS;Real-time traffic;Scheduling policy;least mean packet loss algorithm;LMPL
    Date: 2008
    Issue Date: 2009-11-16 08:04:18 (UTC+0)
    Publisher: Asia University
    Abstract: In this thesis we study the problem of scheduling multiple real-time streams with deadlines over a shared wireless channel. We propose to schedule the packets from the queues based on a least mean packet loss (LMPL) policy. The computation on the number of mean lost packets takes into account the transmission errors of respective users and the deadlines of their head of line (HOL) packets. A recursive algorithm is developed to conduct the computation. Examples show that the proposed policy can obtain less lost packets than the earliest deadline first (EDF) or feasible earliest deadline first (FEDF) policy. We also modify the algorithm so that it can be applied to Rayleigh fading channel based on finite state Markov chain (FSMC) model. With the FSMC model, the LMPL algorithm presumes future channel conditions based on the state transition probabilities associated with the FSMC model. Thus, the modified version is more suitable for practical applications.
    Appears in Collections:[光電與通訊學系] 博碩士論文

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