Data link with an imbedded channel

Details Data link with an imbedded channel Data link with an imbedded channel

1990-02-27

1992-06-16

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

379 59, 379 60, 455 331, H04J 312

Patent

active

051230143

ABSTRACT:
A method and apparatus for arranging an HDLC data link to transport a special class of data such as, for example, synchronization or other signalling informaiton, in addition to the normal data transported by the data link is provided. According to the invention, at the sending end of the link the all-1's sequence corresponding to the idle sequence between individual HDLC packets is detected. Once eight (8) consecutive 1's are detected, a desired number of 1's is removed and a like number of synchronization bits are inserted in their place. At the receiving end of the link the inserted synchronization bits are detected, removed, and a like number of 1's inserted in their place.

REFERENCES:
patent: 4412324 (1983-10-01), Glowinsky et al.
patent: 4630262 (1986-12-01), Callens et al.
patent: 4647925 (1987-03-01), Osman et al.
patent: 4701913 (1987-10-01), Nelson

Affiliated with

Also associated with

Rating

Data link with an imbedded channel does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Data link with an imbedded channel, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Data link with an imbedded channel will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1759182