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Using Bluetooth Low Energy to Trigger an Ultra-Low Power FSK Wake-Up Receiver

  • We present a novel approach that utilizes BLE packets sent from generic BLE capable radios to synthesize an FSK-(like) addressable wake-up packet. A wake-up receiver system was developed from off-the-shelf components to detect these packets. It makes use of two differential signal paths separated by passive band-pass filters. After the rectification of each channel a differential amplifierWe present a novel approach that utilizes BLE packets sent from generic BLE capable radios to synthesize an FSK-(like) addressable wake-up packet. A wake-up receiver system was developed from off-the-shelf components to detect these packets. It makes use of two differential signal paths separated by passive band-pass filters. After the rectification of each channel a differential amplifier compares the signals and the resulting wake-up signal is evaluated by an AS3933 wake-up receiver IC. Overall, the combination of these techniques contributes to a BLE compatible wake-up system which is more robust than traditional OOK wake-up systems. Thus, increasing wake-up range, while still maintaining a low energy budget. The proof-of-concept setup achieved a sensitivity of -47.8 dBm at a power consumption of 18.5 uW during passive listening. The system has a latency of 31.8 ms with a symbol rate of 1437 Baud.show moreshow less

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Metadaten
Author:Paul Gavrikov, Pascal Verboket, Tolgay Ungan, Markus Müller, Matthias Lai, Christian Schindelhauer, Leonhard Michael Reindl, Thomas WendtGND
Creating Corporation:IEEE
Place of publication:Bordeaux
Year of Publication:2018
Pagenumber:4
ISBN:978-1-5386-4089-0
ISBN:978-1-5386-9562-3 (Elektronisch)
ISBN:978-1-5386-9116-8 (Print on Demand)
Language:English
Tag:Bluetooth Low Energy; FSK Wake-Up; Ultra-Low Power; Wake-Up Receiver
Parent Title (English):25th IEEE International Conference on Electronics Circuits and Systems, Bordeaux, FRANCE, 9-12 December 2018
First Page:781
Last Page:784
Document Type:Conference Proceeding
Institutes:Hochschule Offenburg / Bibliografie
Release Date:2019/01/09
Licence (German):License LogoEs gilt das UrhG
Note:
IEEE-Katalognummer: CFP18773-ART
Note:
Konferenz: 2018 25th IEEE International Conference on Electronics, Circuits and Systems (ICECS), 9-12 Dec. 2018, Bordeaux, France
URL:https://www.ieee-icecs2018.org/
DOI:https://doi.org/10.1109/ICECS.2018.8618031