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A new technique for the analysis of a buffered two-node packet radio network

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2 Author(s)
Yu, H.-C. ; Dept. of Electr. Eng., Ohio State Univ., Columbus, OH, USA ; Hamilton, R.L., Jr.

The authors consider a packet radio network with two nodes both of which access a single channel using the slotted-Aloha protocol. This model results in a network of two interfering queues. Such networks seldom have closed-form expressions for the equilibrium probabilities. However, if fixed arrival probabilities are assumed and it is also assumed that one node uses a constant transmission probability, a product-form-solution control (PFS-control) can be found which controls the other node's transmission probability. This is done using the consistency graph method. Under PFS-control, the transmission probabilities approach asymptotic values as the packet backlog increases. It is noted that the PFS-control is intuitively satisfying; the network under PFS-control tends to adjust its transmission probabilities to reduce large unequal packet backlogs. Using the asymptotic values for the transmission probabilities, they also find a set of necessary conditions for network stability

Published in:

Global Telecommunications Conference, 1988, and Exhibition. 'Communications for the Information Age.' Conference Record, GLOBECOM '88., IEEE

Date of Conference:

28 Nov-1 Dec 1988