Dear Colleagues,

Human habits are undergoing a profound transformation as we are currently witnessing a rapid increase in the growth rate of permanent residence in urban areas, resulting in the migration of populations in search of more fulfilling jobs and higher education.

More than 50% of the world's population resides in cities; therefore, these cities must possess advanced requirements to maintain the quality of life and services for citizens at the highest level. For these reasons, local administrations and municipal foundations are extended as much as possible to ensure improved adaptability and safety conditions.

With the diffusion of information and communication technologies or “Information and Communications Technology” (ICT) in modern societies, people have actively adopted the services provided by these technologies to improve their quality of life. As a result, the cities in which they live have increased their interest in these issues, implementing new services that can facilitate the daily life of each citizen.

ICT technologies in the urban environment have rendered cities increasingly intelligent. The concept of the “Smart City” (SC) is typically used to refer to these cities, i.e., high-tech cities that offer the collection, analysis, and distribution of information to make the best use of public resources and increase the quality of services provided to citizens. All this is achieved by providing the city with a myriad of sensors designed to evaluate all physical quantities with regard to the performance parameters of citizens' services.

In this context, it is essential to carry out an analysis of the results obtained in the different implementation scenarios in terms of interoperability, reliability, and efficiency, in order to evaluate which of the different technologies present in the literature and elsewhere may represent the most appropriate choice for the implementation of systems based on sensor networks in smart cities.

Dr. Giovanni Pau
Dr. Fabio Arena
Guest Editors

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