Exchange system handling an in-band signal

Details Exchange system handling an in-band signal Exchange system handling an in-band signal

1994-01-21

1995-09-05

Kizou, Hassan

Multiplex communications

Wide area network

Packet switching

370 66, 370 681, 3701101, H04Q 1104, H04J 312

Patent

active

054485568

ABSTRACT:
An exchange system of a digital communication system includes a switch, and a frame correction numeral determining part for determining a frame correction numeral corresponding to a time delay of a path which is actually formed by the switch. An in-band signal dropping unit drops an in-band signal from the input time slots in a frame which lags behind a specific frame by the frame correction numeral. An in-band signal inserting part inserts the in-band signal into the output time slots of the specific frame of a subsequent multiframe subsequent to a multiframe having the input time slots from which the in-band signal is dropped by the in-band signal dropping unit.

REFERENCES:
patent: 4488292 (1984-12-01), Troost
patent: 4782479 (1988-11-01), Rozema
patent: 5063592 (1991-11-01), Cannella et al.
patent: 5128929 (1992-07-01), Kobayashi
patent: 5130979 (1992-07-01), Ohtawa
patent: 5144624 (1992-09-01), Sharper et al.
patent: 5144625 (1992-09-01), Cain et al.

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