Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Patent
1997-10-14
1999-08-10
Patel, Ajit
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
370503, H04J 306
Patent
active
059369698
ABSTRACT:
A method for compensating for propagation time delays in a communication network includes connecting each of a plurality of subscribers to a ring feeder for a common transmission of digital source data and control data in a data stream synchronous with a clock signal. The source and control data are transmitted in a format prescribing a pulsed sequence of individual bit groups of identical length containing component bit groups each forming a data channel for source data or control data. At least two subscribers, which are connected at different locations to the ring feeder, receive source data that are transmitted by one of the subscribers on different data channels and are correlated with one another. Specific bit positions are reserved in each bit group for a numerical value relayed from subscriber to subscriber. The numerical value is always set by one of the subscribers to a fixed initial value and incremented by each following subscriber along the ring feeder. Propagation time differences in the mutually correlated source data are compensated for on the basis of the numerical value.
REFERENCES:
patent: 4596025 (1986-06-01), Satoh
patent: 5107490 (1992-04-01), Wilson
patent: 5363373 (1994-11-01), Nakamura
patent: 5379299 (1995-01-01), Schwartz
Heck Patrick
Hetzel Herbert
Stiegler Andreas
Becker GmbH
Greenberg Laurence A.
Lerner Herbert L.
Patel Ajit
Pizarro Ricardo M.
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