Spectrum spread communication system

Pulse or digital communications – Repeaters – Testing

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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

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