A Comprehensive Study of Passive Wake-up - Radio in Wireless Sensor Networks

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Abstract

Wake-up radio, as a secondary radio transceiver, is implemented to monitor the channel condition so that the main radio can be turned o when there is no communication activity. This thesis work focuses on the analysis of passive wake-up radio (PWUR), where the wake-up radio is entirely powered by the wake-up signal and does not need any additional battery supply. The work covers PWUR's both hardware implementation and performance analysis. In particular, we analyse some typical issues when PUWR is adopted into the ZigBee network. Our results suggest how PWUR can improve ZigBee network's performance in terms of latency, energy consumption and reliability.