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Traffic Load Estimation Based on System Identification
Makoto TAKANO Naofumi NAGAI
IEICE TRANSACTIONS on Communications
Publication Date: 1994/03/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Future Private Networks)
traffic load, estimation, system identification,
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This paper describes a new method to estimate traffic load of communication nodes, such as switching systems. The new method uses the system identification, which is often used in designing control systems of real systems. First, this paper makes clear that, under certain conditions, the input and output relation of a communication system, which is composed of a number of communication nodes, is formulated into a dynamic state equation that is classed as a time-invariant, single-input single-output, discrete-time system. Next, it is explained that traffic load information is estimated by identifying the dynamic state equations of the communication system. Then, the traffic load estimator is synthesized using the system identification in it. Finally, it is clarified by computation simulations that the proposed method is very applicable in estimating the traffic load of each communication node.