A VEHICLE LOCATING UNIT WITH IMPROVED POWER MANAGEMENT METHOD

A VEHICLE LOCATING UNIT WITH IMPROVED POWER MANAGEMENT METHOD

A method of checking messages from a network of communication sources includes initially testing the signal strength of a plurality of communication sources, storing the identity of the communication sources with the two strongest signals, and alternatively entering a sleep mode and a wake-up mode,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: IAN CHRISTOPHER STROUD, TIMOTHY DAVID HOWE, SAMPATH KRISHNA, SON NGUYEN, STEVEN WALTER GREENDALE, NIGEL JAMES WATSON, PHILIP GRAHAME CREWE, MARK MARSDEN, GERARD EDWARD SMITH, JESSE RHODES, DANIEL JONATHAN FINCHLEY CLETHEROE, FRANK ROMANO
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:A method of checking messages from a network of communication sources includes initially testing the signal strength of a plurality of communication sources, storing the identity of the communication sources with the two strongest signals, and alternatively entering a sleep mode and a wake-up mode, the wake-up mode synchronized to the communication source with the strongest signal. The method further includes testing the signal strength of one additional communication source, switching synchronization to the additional communication source if said source presents a signal stronger than the signal of a stored communication source with the strongest signal, and replacing the identity of any stored communication source if an additional communication sources tested in sequence presents a signal stronger than the signal of said stored communication source.