Method and device for converting digital channel multiframes int

Details Method and device for converting digital channel multiframes int Method and device for converting digital channel multiframes int

1986-07-03

1987-12-15

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 66, H04Q 1104

Patent

active

047138041

ABSTRACT:
The method consists in converting an inputting multiframe including of M frames each having words assigned respectively to C multiplexed digital channels into an outgoing multiframe including of C packets each having M words of a respective channel. So as to only use a single memory, a word having a given rank in the outgoing multiframe and a word having said given rank in the inputting multiframe are read and written consecutively in a same cell of the single memory. The memory has a capacity at least equal to MC word cells. The MC cells are addressed according to an address order rebecoming identical to itself after a cycle of N multiframe periods, where N is the smallest integer so that C.sup.N .tbd.1 (mod (MC-1)).

REFERENCES:
patent: 3832492 (1974-08-01), Charransol et al.
patent: 4272844 (1981-06-01), Roche et al.
patent: 4402078 (1983-08-01), Athenes et al.

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