Frequency hopping data communication system

Details Frequency hopping data communication system Frequency hopping data communication system

1984-10-19

1986-08-12

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

371 69, 375 40, 375 48, 375115, H04L 2726, H04L 108, H04B 1500

Patent

active

046060413

ABSTRACT:
A frequency hopping data communication system which provides reliable communication in a fading environment and also which is jam resistant is described, in which an improved frequency hopping data communication system provides reliable communication in a fading environment such as in a mobile, satellite or scatter communication systems. Pseudo-noise code streams are time displaced with respect to each other, and provide a frequency hopping rate equal to n times the rate of repeated binary data being transmitted, and wherein the pseudo-noise codes are used to directly derive a hopped frequency from a selected code sequence.

REFERENCES:
patent: 2939109 (1960-05-01), Newby
patent: 3701019 (1972-10-01), Jackson
patent: 4037159 (1977-07-01), Martin
patent: 4041391 (1977-08-01), Deerkoski
patent: 4231113 (1980-10-01), Blasbalg

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