3.2. TELECOMMUNICATIONS Mobile devices equipped with neural network processing units exploit their strong computational power to train NN models using data captured by a wide range of on-device sensors. With such on-device computational power and data, mobile applications have significantly improved their usability and bring convenience to people’s lives. Authorized licensed use limited to University of Malta. Downloaded on December 24,2022 at 11:03:39 UTC from IEEE Xplore. Restrictions apply.