Integration of voice/data services over PACS systems using movable boundary slot allocation scheme

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Title:	Integration of voice/data services over PACS systems using movable boundary slot allocation scheme
Authors:	Jyu-Wei Wang
Keywords:	integrated voice/data services;blocking probability;channel throughput;movable boundary;discrete-time Markov chain;continuous-time Markov chain
Date:	2000-08
Issue Date:	2010-05-12 01:11:45 (UTC+0)
Publisher:	Asia University
Abstract:	The integration of voice and data services over PACS systems using a movable boundary scheme is studied. First, we use the theory of discrete-time Markov chain to analyse the system; then, an approximate analysis using the continuous-time Markov chain model is conducted. For the initial access of voice calls we consider two distinct schemes: at most one idle slot being marked available, and all the idle slots being marked available. Numerical results show that the performance difference for voice calls between both schemes is trivial, but the former scheme offers a performance advantage for data calls over the latter scheme. Besides, the performance obtained by the continuous-time Markov model is very close to that obtained by the discrete-time Markov model. This finding suggests the effectiveness of the usage of the continuous-time Markov model, which can dramatically simplify the analysis.
Relation:	International Journal of Communication systems 13(5): 405-421
Appears in Collections:	[Department of Photonics and Communication Engineering] Journal Article

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