Rearrangeable multiconnection switching networks constructed usi

Details Rearrangeable multiconnection switching networks constructed usi Rearrangeable multiconnection switching networks constructed usi

1986-12-23

1989-12-12

Weldon, Ulysses

Communications: electrical

Continuously variable indicating

With meter reading

34082583, 379242, H04Q 100

Patent

active

048870790

ABSTRACT:
A switching network where a large class of combinatorial designs which are well known in the mathematical literature are for the first time applied to advantageously define the pattern of permanent connections effected between network input channels and initial network crosspoints, illustratively by a connection arrangement of a two-stage, rearrangeable network. The class of combinatorial designs comprises designs of three types: (1) block designs, (2) orthogonal arrays, and (3) difference sets. Each of these is used in a unique manner to derive an advantageous pattern of permanent connections.

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