Interference evaluation of WiFi devices over wake-up radio in wireless sensor networks

While Wake-up Radio (WuR) systems greatly improve the energy efficiency of Wireless Sensor Networks (WSNs), their resilience to interference is often neglected in previous works. This might be an issue due to the proliferation of wireless devices and the growing field of internet of things. In this paper, an evaluation of in-band interferences from WiFi devices over a WuR system is performed. The approach proves that WuR systems are still performing well when coexisting with external wireless networks, even if the energy-efficiency is slightly reduced.