Dual rail dilated switching networks

Details Dual rail dilated switching networks Dual rail dilated switching networks

1989-03-09

1991-05-21

Crosland, Donnie L.

Multiplex communications

Wide area network

Packet switching

370 60, 370 3, 455601, H04J 1400

Patent

active

050181297

ABSTRACT:
A method for realizing, and a structure for implementing a switching network employing 2.times.2 switches. The network is dilated in that none of the 2.times.2 switches concurrently carry an active signal. The method for realizing such a network alters a given non-dilated network by replacing each 2.times.2 switch in the non-dilated network with a dual rail switch having a pair of 2.times.2 interconnected switches, and by replacing each link in the non-dilated network with a pair links. The final output of the dilated network is obtained by adding a combiner final stage which combines the pairs of signals to form output signals that parallel the output signals of the given non-dilated network.

REFERENCES:
patent: 4894818 (1990-01-01), Fujioka et al.
"Dilated Networks for Photonic Switching," K. Padmanabhan and A. N. Netravali, IEEE Transactions on Communications, vol. Com-35, No. 12, Dec. 1987.
"On a Class of Multistage Interconnection Networks," C-L. Wu, and T-Y. Feng, IEEE Transactions on Computers, vol. C-29, No. 8, Aug. 1980.

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