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Improving wake-up receiver's sensitivity by using novel architecture

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4 Author(s)
Trinh, L.H. ; Polytech Nice, Univ. de Nice-Sophia Antipolis, Valbonne, France ; Hoang, T.Q.V. ; Perret, F. ; Ferrero, F.

A new approach for a passive wake-up receiver is presented to improve its sensitivity. This architecture is based on a passive voltage multiplier circuit associated with a Schottky diode rectifier and using an on-off keying modulation for the input radio frequency signal. It is shown that, using this approach, a 10 dB better sensitivity is obtained for the wake-up receiver. Moreover, the immunity of the wake-up receiver to a false wake-up signal is improved.

Published in:

Electronics Letters  (Volume:48 ,  Issue: 11 )