Multiplexing arrangement with fast framing

Details Multiplexing arrangement with fast framing Multiplexing arrangement with fast framing

1985-10-11

1987-03-17

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370100, H04J 302

Patent

active

046513191

ABSTRACT:
A multiplexing arrangement is described for use in a digital communications system, in which it is desired to multiplex plural user data inputs into a single serial digital communications channel and then to decode the data to the appropriate user data outputs. The arrangement contemplates the transmission of data in blocks of n.sup.2 bits, and provides framing in the form of a frame alignment word having the value of F for n bits, followed by n-1 subsequences each of n bits duration and each initiated by a framing bit having the value of F-bar, with the last subsequence terminating with a framing bit having the value of F-bar. The implementation is simple and provides rapid acquisition of the framing. In principle, the framing is error free in not being affected by the values assigned to the data.

REFERENCES:
patent: 4445215 (1984-04-01), Svendsen
patent: 4466097 (1984-08-01), Nose

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