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A Bursty Transmission Scheme for Wireless ATM and its Analysis

机译:无线ATM突发传输方案及其分析

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Market demands on ATM backbone and mobile access networks will continue to grow and get emerging rapidly over the next decade. In this paper,we focus on the ATM transmission over wireless channels, i.e., wireless ATM. Since wireless channels are shared media in general, finding an efficient multiple media access (MAC) scheme and the corresponding traffic control algorithm is a major challenge. For that purpose,we 0propose a bursty trunsmission scheme for the multimedia transmission in wireless ATM. It is based upon a subframe structure where CBR traffic is served on a quasi-STM basis in the highest priority and, at the same time, VBR traffic is given a higher priority over ABR traffic in accessing the remaining time slots; I.e., the consecutive VBR cells (in burst) are allowed to preferentially occupy the successive remaining time slots in a subframe. Since the cell arrivals in ATM networks are typically bursty, we next develop a queueing model of MMBP1 +MMBP2/D/s(m1, m2) with Markov modulated Bernoulli process (MMBP) inputs and nonpreemptive priority for the proposed control scheme and present an exact discrete-time analysis to it.
机译:在接下来的十年中,对ATM骨干网和移动接入网络的市场需求将继续增长并迅速出现。在本文中,我们重点介绍通过无线信道(即无线ATM)进行的ATM传输。由于无线信道通常是共享媒体,因此找到有效的多媒体访问(MAC)方案和相应的流量控制算法是一项重大挑战。为此,我们提出了一种突发截断传输方案,用于无线ATM中的多媒体传输。它基于子帧结构,其中在准STM基础上以最高优先级为CBR业务提供服务,同时,在访问其余时隙时,VBR业务的优先级高于ABR业务。即,连续的VBR信元(在突发中)被允许优先占据子帧中的连续的剩余时隙。由于ATM网络中的信元到达通常是突发性的,因此我们接下来使用马尔可夫调制的Bernoulli过程(MMBP)输入和拟议的控制方案的非抢先优先级开发MMBP1 + MMBP2 / D / s(m1,m2)的排队模型,并提出一个精确的离散时间分析。

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