Pulse or digital communications – Spread spectrum – Direct sequence
Patent
1987-06-18
1989-05-02
Jennings, Derek S.
Pulse or digital communications
Spread spectrum
Direct sequence
275119, H04L 700
Patent
active
048274909
ABSTRACT:
A method and apparatus applicable to digital transmission by microwave beams. The method and apparatus serving to synchronize two binary trains (T1, T2) in order to switch from the first train to the second, with a synchronization range being used which extends between a first position in a buffer memory storing the train which is directed to the output and for which reading follows writing by one bit period (case A), to a second position where reading precedes writing by one bit period (case B).
REFERENCES:
patent: 4551845 (1985-11-01), Ad der Halden et al.
patent: 4651103 (1987-03-01), Grimes
patent: 4694294 (1987-09-01), Suzuki et al.
Patents Abstracts of Japan, vol. 9, N.degree. 284, (E-357) 2007, Nov. 12, 1985, & JP-A-60 125 031 (Fujitsu K. K.) 04.07.1985.
Alcatel Thomson Faisceaux Hertziens
Jennings Derek S.
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