Performance evaluation of multiple-channel slotted ring networks with tunable transmitters and fixed receivers

Authors:
Jun-Yao Wang;Wen-Shyang Hwang;Wen-Fong Wang;Ce-Kuen Shieh
Affiliations:
Department of Electrical Engineering, National Cheng-Kung University, No. 1 Ta Hsueh Road, Tainen 7001, Taiwan, ROC;Department of Electrical Engineering, National Kaohsiung Institute of Technology, Kaohsiung, Taiwan, ROC;Department of Electrical Engineering, National Cheng-Kung University, No. 1 Ta Hsueh Road, Tainen 7001, Taiwan, ROC;Department of Electrical Engineering, National Cheng-Kung University, No. 1 Ta Hsueh Road, Tainen 7001, Taiwan, ROC
Venue:
Computer Communications
Year:
2000

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Abstract

This study presents a non-preemptive priority queue model to approximate the cell delay of a multi-channel slotted ring network with a single tunable transmitter and fixed receiver, and one queue for storing cells for each channel at each node. To analyze network performance, this network is translated to the proposed non-preemptive priority queue model. With this model, the analytical cell-delay approximations can be obtained by close-form formulas. The analysis considers two network environments: where the number of nodes equals the number of channels and the number of nodes is a multiple of the number of channels. The accuracy of the model is assessed using the simulation results, and the two are found to be very close. In addition to its appropriateness for the multi-channel slotted ring network, the proposed analytical model can also derive the cell-delay results of a single-channel slotted network with the destination removal policy.