DISPOSITIF ET PROCEDE DE CONNEXION A UN RESEAU SANS FIL

DISPOSITIF ET PROCEDE DE CONNEXION A UN RESEAU SANS FIL

A data acquisition device has a wireless data acquisition network with peripheral nodes (110), each comprising a satellite based positioning system for allowing its synchronization with active nodes (100). A concentrator (200) organizes a routing of data and command within a network of active nodes...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MOLTON STEPHANE, GUICHARD FLORENT, SAGOT PIERRE
Format: Patent
Sprache:fre
Schlagworte:
DETECTING MASSES OR OBJECTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
SIGNALLING
TESTING
TRANSMISSION
TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS
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Beschreibung
Zusammenfassung:A data acquisition device has a wireless data acquisition network with peripheral nodes (110), each comprising a satellite based positioning system for allowing its synchronization with active nodes (100). A concentrator (200) organizes a routing of data and command within a network of active nodes based on a time division multiple access (TDMA) mode. The concentrator allocates timeslots during which the peripheral and active nodes transmit data between them based on a carrier sense multiple access (CSMA) mode, where the two modes are temporarily separated. An independent claim is also included for data acquisition for seismic acquisition within a wireless network.