The rest of the paper is organized as follows. Section II
overviews the services that are commonly associated to the
Smart City vision and that can be enabled by the deployment
of an urban IoT. Section III provides a general overview of the
system architecture for an urban IoT. More in detail, this section
describes the web service approach for the realization of IoT
services, with the related data formats and communication
protocols, and the link layer technologies. Finally, Section IV
presents the “Padova Smart City” project, which exemplifies a
possible implementation of an urban IoT and provides examples
of the type of data that can be collected with such a structure.