Abstract
We consider parameter estimation for a FIFO queue with deterministic service times and two independent arrival streams of "observed" and "unobserved" packets. The arrivals of unobserved packets are Poisson with an unknown rate /spl lambda/ while the arrivals of observed packets are arbitrary. Maximum likelihood estimation of /spl lambda/ is formulated based on the arrival times and waiting times of k observed packets. The likelihood function is derived in terms of the transition probabilities of the unfinished work process which are calculated recursively. Sufficient conditions for consistency, asymptotic normality, and asymptotic efficiency are given. The mean and variance of the MLE are measured in simulation experiments. Numerical results indicate that the MLE is consistent and asymptotically normal.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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