Hybrid spread spectrum radio system

H - Electricity – 04 – B

Patent

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Details

H04B 1/707 (2006.01) H04B 1/69 (2006.01) H04B 1/713 (2006.01)

Patent

CA 2552767

Systems and methods are described for hybrid spread spectrum radio systems. A method includes modulating a signal by utilizing a subset of bits from a pseudo-random code generator to control an amplification circuit that provides a gain to the signal. Another method includes: modulating a signal by utilizing a subset of bits from a pseudo-random code generator to control a fast hopping frequency synthesizer; and fast frequency hopping the signal with the fast hopping frequency synthesizer, wherein multiple frequency hops occur within a single data-bit time.

La présente invention concerne des systèmes et des procédés de systèmes radio à spectre étalé hybride. Un procédé consiste à moduler un signal via l'utilisation d'un sous-ensemble de bits issus d'un générateur de code pseudo aléatoire afin de commander un circuit d'amplification qui fournit un gain au signal. Un autre procédé consiste à moduler un signal via l'utilisation d'un sous-ensemble de bits issus d'un générateur de code pseudo aléatoire afin de commander un synthétiseur à sauts fréquence rapides, et une fréquence rapide sautant le signal avec le synthétiseur à sauts de fréquence rapide, les sauts de fréquence multiples survenant à l'intérieur d'une seule fenêtre temporelle de bits de données.

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