Process for determination of the last intermediate node in a net

Details Process for determination of the last intermediate node in a net Process for determination of the last intermediate node in a net

1985-06-26

1988-05-31

Lall, Parshotam S.

Telephonic communications

Centralized switching system

Switching controlled in response to called station...

364514, 340826, 3408258, H04Q 900, H04Q 1100

Patent

active

047486600

ABSTRACT:
The present invention concerns a process and a circuit enabling determination of the last intermediate node of a pathway comprising a minimum number of nodes from the m-th node to the n-th node in a network comprising p nodes interconnected by a number of links (p being a positive whole number). The process includes steps of iterative matrix calculation and comparison of elements of the same rank of certain matrices, and is especially suitable for communications networks constituted by a number of geographically separated nodes connected to one another by communications lines.

REFERENCES:
patent: 4081612 (1978-03-01), Hafner
patent: 4317196 (1982-02-01), Ulug
patent: 4317197 (1982-02-01), Ulug
patent: 4334306 (1982-06-01), Ulug
patent: 4375097 (1983-02-01), Ulug
patent: 4466060 (1984-08-01), Riddle
patent: 4470154 (1984-09-01), Yano
patent: 4532625 (1985-07-01), Stover
patent: 4583088 (1986-04-01), Bux et al.
"Properties of the Eigervectors of Persymmetric Matrices with Applications to Communication Theory" by A. Cantoni et al., IEEE Transactions on Communications, vol. Com-24, No. 8, Aug. 1976, pp. 804-809.

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