Pulse or digital communications – Spread spectrum – Direct sequence
Patent
1991-01-09
1992-07-14
Safourek, Benedict V.
Pulse or digital communications
Spread spectrum
Direct sequence
370 54, 370 60, 370118, 333 14, 340826, 379221, 379273, H04B 166, H04J 1500
Patent
active
051310163
ABSTRACT:
Data communication nodes in a network comprising a plurality of nodes linked together to form communication paths negotiate by passing messages to identify to one another the maximum supportable degree of data compression capability. Logical comparisons are made at each node between indications received from upstream and downstream nodes, if any, regarding their own or their received indications of data compression capability with the present node's own degree of compression capability. This enables logical decisions to be made to suport the maximum degree of compression capability over each link or portion of a link between terminal nodes which define the ends of the overall link, thus improving data transmission by providing the highest degree of supportable compression over the longest path length.
REFERENCES:
patent: 4679187 (1987-07-01), Irvin
patent: 4823342 (1989-04-01), Morita et al.
patent: 4890282 (1989-12-01), Lambert et al.
patent: 4899147 (1990-02-01), Schiaro et al.
Broughton John C.
Cahn Robert S.
Gray James P.
O'Donnell John P.
Duffield Edward H.
International Business Machines - Corporation
Safourek Benedict V.
Tse Young
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