A method for localizing a wireless node includes synchronizing a respective time reference of a plurality of wideband spectrum-sensing units (20a, 20b, 20c, 20d, generally 20) and a master transceiver (14). A sensing location of each wideband spectrum-sensing unit (20) is stored in a first memory. Each wideband spectrum-sensing unit stores in a second memory a plurality of time-limited samples of a transmission received from a slave transceiver (16). The time limit of the transmission is determined by the master transceiver (14), receiving the transmission. The samples from the second memory are correlated with a corresponding plurality of reconstructed samples stored in the first memory to form a respective power delay profile for each of the of the wideband spectrum-sensing units (20). A slave location of the slave transceiver is determined by applying a Time Difference Of Arrival method to the respective power delay profiles.
LOCALIZATION OF WIRELESS NODES
LOKALISIERUNG DRAHTLOSER KNOTEN
LOCALISATION DE NOEUDS SANS FIL
29.12.2021
Patent
Elektronische Ressource
Englisch
Distributed Nodes Localization Method in Wireless Sensor Networks
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