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Vol. 224, Issue 8, August 2018, pp. 22-27




Digital Back-end Based on a Low-power Listening Protocol for Wake-Up Receivers

Sadok Bdiri 1, Oussama Brini 2 and Faouzi Derbel 3

1,3 Leipzig University of Applied Sciences, Wächter Str. 13, 04107, Leipzig, Germany
2 National School of Electronics and Telecommunications of Sfax, Sfax, Tunisia
E-mail: sadok.bdiri@htwk-leipzig.de, oussama.brini.1@ens.etsmtl.ca, faouzi.derbel@htwk-leipzig.de


Received: 30 April 2018 /Accepted: 31 July 2018 /Published: 31 August 2018

Digital Sensors and Sensor Sysstems


Abstract: An ultra-low-power digital baseband (DBB), based on a low power microcontroller (MCU), is presented. The DBB functions as a decoder for the Wake-up receiver (WuRx). It also implements a duty-cycle protocol meant to control the WuRx peripherals to further reduce its average energy consumption. The DBB generates very short power-on periods, during which, it has to detect the presence of a wake-up packet. This allows very low latency between a transmitted wake-up packet and its detection. The WuRx’s power consumption and data rate are scalable and can be reconfigured to meet specific requirements. It emphasizes the possibility to decode more than 512-bit address pattern.


Keywords: DBB, Digital baseband, Wake-up receiver, Wireless Sensor Network, WSN, Low-power, Duty-cycle.


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