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A novel concept for a long lifetime wireless geofencing system with an integrated sub-10 µA wake-up receiver

 
: Milosiu, H.; Meier, F.; Preiss, H.; Oehler, F.; Pflaum, A.

Hollstein, T.:
RFID SysTech 2011. 7th European Workshop on Smart Objects: Systems, Technologies and Applications. CD-ROM : May, 17 - 18, 2011 in Dresden, Germany
Berlin: VDE-Verlag, 2011 (ITG-Fachbericht 229)
ISBN: 978-3-8007-3354-5
9 S.
European Workshop on Smart Objects - Systems, Technologies and Applications (RFID SystTech) <7, 2011, Dresden>
Englisch
Konferenzbeitrag
Fraunhofer IIS ()

Abstract
This paper shows the benefits of a sub-10 µA wake-up receiver circuit used for wireless geofencing and localisation applications with very low maintenance. The wake-up receiver is a wireless receiver which continuously scans the radio channel for certain messages. Having received and decoded such a message containing additional data, the wake-up receiver triggers different actions in smart objects. The wake-up receiver consumes only 7.5 Microwatts and is suitable for mobile battery-operated smart objects. It is shown how the wake-up receiver can be used to implement a wireless in-door geofencing system. This application profits the most from the low and deterministic current consumption and the short reaction time below 500 ms.

: http://publica.fraunhofer.de/dokumente/N-179444.html