Classical and Bayesian estimations of performance measures in Geo/Geo/1 queue

Yang Song and Xinying Liu

Communications in Statistics - Theory and Methods, 2025, vol. 54, issue 9, 2759-2772

Abstract: In this article, we consider an early arrival Geo/Geo/1 queue from the statistical perspective. The estimations of parameters and system performances under Classical and Bayesian frameworks are considered. Based on queue length data, we attempt to study the uniform minimum-variance unbiased estimators (UMVUEs) and the closed Bayesian estimators for various queueing characteristics. We compare their properties using Monte Carlo (MC) simulations. As a comparison and improvement, based on arrival and departure data over a period, we use a Bivariate Beta distribution as joint prior, and solve the performance estimators using the properties of Gaussian hypergeometric function. We derive Bayesian estimators and conduct numerical simulations using Markov Chain Monte Carlo (MCMC) method.

Date: 2025
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DOI: 10.1080/03610926.2024.2374824

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