Pulse or digital communications – Repeaters – Testing
Patent
1991-06-14
1993-06-22
Swann, Tod R.
Pulse or digital communications
Repeaters
Testing
380 34, H04K 100
Patent
active
052220982
ABSTRACT:
A spectrum spread communication system capable of ensuring positive synchronization and improving error rate characteristics of data. At least one frequency is subject to hopping at an interval equal to one cycle of a DS signal during one cycle of frequency hopping and a cycle of changing-over of hopping is controlled depending upon an output signal of a correlation device, resulting in accomplishing synchronization.
REFERENCES:
patent: 4759034 (1988-07-01), Nagazumi
patent: 4922506 (1990-05-01), McCallister et al.
patent: 4943975 (1990-07-01), Kurihara et al.
patent: 5008899 (1991-04-01), Yamamoto
patent: 5084901 (1992-01-01), Nagazumi
Hoshikuki Atsushi
Yamamoto Michio
Futaba Denshi Kogyo K.K.
Swann Tod R.
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