Abstract
Abstract. Power consumption in wireless networks is crucial. In most scenarios the transmission time is short compared to the idle listening time for data transmission, the most power is consumed by the receiver. In low latency systems there is a need for low power wake-up receivers (WuRx) that reduce the power consumption when the node is idle, but keep it responsive. This work presents a WuRx designed out of commercial components to investigate the needs of a WuRx when it is embedded in a Wireless Personal Area Network (WPAN) system in a real environment setup including WLAN and LTE communication and considering interferer rejection. The calculation necessary for the attenuation of those interferers is explained in detail. Furthermore, a system design is presented that fulfills the requirements for this environment and is build from off-the-shelf components.
Highlights
Personal Area Networks, as specified by (Gutierrez et al, 2003), applications like lighting control, monitoring temperature, moisture etc. or IoT (Internet of Things) devices can demand a fast reaction in lighting systems for example
We present a work that was done to gain insight for an integrated design, that is developed in parallel
We showed the implementation of a wake-up receiver with commercial components to investigate the needs of such a system
Summary
Personal Area Networks, as specified by (Gutierrez et al, 2003), applications like lighting control, monitoring temperature, moisture etc. or IoT (Internet of Things) devices can demand a fast reaction in lighting systems for example. Personal Area Networks, as specified by (Gutierrez et al, 2003), applications like lighting control, monitoring temperature, moisture etc. IoT (Internet of Things) devices can demand a fast reaction in lighting systems for example. If the user activates the light it should react in milliseconds as we are used to the lights switching on instantly. For those applications, the receiver must always be active to listen to the channel. In beacon-enabled networks a fast reaction time can be achieved by a big duty-cycle, resulting in a high beacon number to send. The end devices must wake up frequently which results in a high-energy consumption. A WuRx designed to support a low data rate modulation can be very simple and consumes less energy than a high data rate modulation like BPSK or O-QPSK
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