An Approximate Method for Design and Analysis of an ALOHA System |
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Authors: | Kobayashi H. Onozato Y. Dieu Huynh |
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Affiliation: | IBM Thomas J. Watson Research Center, NY; |
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Abstract: | We develop here an approximate method for the design and performance prediction of a multiaccess communication system which employs the ALOHA packet-switching technique. Our model is based on the use of a diffusion process approximation of an ALOHAlike system (with or without time-slotting). A simple closed-form solution for the variableQ(t), a variant of the number of backlog messages at timet, is given in terms of a few system and user parameters. Final results are expressed in terms of ordinary performance measures such as throughput and average delay. Several numerical examples are given to demonstrate the usefulness of the approximation technique developed. |
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