A computational method for the boundary vector of a BMAP/G/1 queue

A computational method for the boundary vector of a BMAP/G/1 queue

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Article ID: iaor2007133
Country: Japan
Volume: 49
Issue: 2
Start Page Number: 83
End Page Number: 97
Publication Date: Jun 2006
Journal: Journal of the Operations Research Society of Japan
Authors: , ,
Keywords: B/MAP/1 queues, batch queues
Abstract:

For calculations of the boundary vector arising in a BMAP/G/1 queue, we consider a spectral method based on eigenvalues and eigenvectors without assuming a structure of a BMAP. We define a nonlinear function of the determinant of a matrix function. It is proved that there are M zeros of the nonlinear function on a disk in a complex plane, where M is the size of rate matrices of a BMAP. And for the calculation of all the zeros, we propose a modification of the Durand–Kerner method which is known as an iterative method for calculating all zeros of a polynomial simultaneously. Spectral methods for calculating the stationary probabilities just after service completion epochs and at arbitrary time are given.

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