M/F Postdoc : Performance evaluation of GNSS-free LoRaWAN-based tracking systems

id="offer-description" class="ecl-u-type-heading-2 ecl-u-mt-none ecl-u-mb-l">Offer Description The adoption of positioning systems to locate people, animals, and objects is beneficial to the development of many applications, including food tracking, geofencing, targeted advertising, and traffic congestion management. Herein, the most known and exploited method for geo localization is the Global Navigation Satellite Systems (GNSS). A GNSS-enabled device collects the position and timing signals sent by some dedicated satellites in direct radio visibility, and it uses such an information to compute its own relative position on the Earth. Then, the computed position can be disclosed to any tracking application through any communication technology. However, listening to the radio for incoming GNSS signals can quickly deplete the energy stored in the feeding batteries. For this reason, the application scope is limited. For instance, Alzheimer patients or pets could not be reliably monitored: once the battery is discharged, localizing them would not be possible anymore. Remarkably, a significant research interest has been raised by the need of a localization infrastructure able to guarantee energy efficient communications (e.g., when radio transceivers of tracked devices are fed by batteries that must last for years) while keeping precise position estimates. More recently, Long Range Wide Area Networks (LoRaWAN) have been proposed as solution to leverage very low power geo localizat