IMPROVED TRANSMISSION/RECEPTION OF DATA BY FREQUENCY HOPPING

IMPROVED TRANSMISSION/RECEPTION OF DATA BY FREQUENCY HOPPING

The invention relates to a method for data communication by frequency hopping in a first frequency band, wherein the frequency hops follow a predetermined time sequence, known at least to one data transmitter, characterised in that it comprises the steps implemented by said data transmitter: - Defin...

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1. Verfasser: SCHWOERER, Jean
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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creator SCHWOERER, Jean
description The invention relates to a method for data communication by frequency hopping in a first frequency band, wherein the frequency hops follow a predetermined time sequence, known at least to one data transmitter, characterised in that it comprises the steps implemented by said data transmitter: - Defining, from a pseudorandom selection, the successive values of the respective gaps in frequency (∆fs1, ∆fs2, ∆fs3, etc.; ∆fd1, ∆fd2, ∆fd3, etc.) to determine the time sequence of hops from a first frequency (f1), - Transmitting to at least one data receiver · at a first frequency (f1), said first frequency being chosen randomly (S1) in the first frequency band, · then at successive frequencies (S5), applying, as from the first frequency, said successive frequency gap values, said successive frequency gap values defining, upon reception, a series of frequencies for the reception of useful data to be received from said data transmitter.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title IMPROVED TRANSMISSION/RECEPTION OF DATA BY FREQUENCY HOPPING
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