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Informazioni aggiuntive

Course Curriculum CFU Length(h)
[70/83]  ELECTRONIC ENGINEERING [83/00 - Ord. 2018]  PERCORSO COMUNE 5 50


The general objective of the course is to present techniques of analysis and design of wireless devices that must work close to the human body, or in any case in an indoor environment. In more detail, at the end of the course the student will acquire the necessary knowledge to design antennas and wireless devices that work in such conditions. Obviously, being a course for a Second Level Degree, the focus has been on a single application, namely the Radiofrequency Identification (RFID), examining all the technical aspects and linking them to the constraints and opportunities that these applications have. And using them as a reference to discuss other applications, such as Power Wireless Transfer or On-Body Communications. Also for the placement of the course, the student will also acquire knowledge on the state of the art industrial for these services, and the limitations, including legal, to their use.

The foreseen methods of examination will also allow the development of communication skills, in the form required to an engineer.


A good knowledge of Applied Electromagnetics topics, in particular those related to antennas, is required. Many of the topics of "radiofrequency Planar Circuits" are required as well.
A knowledge of the fundamentals of "Design of Wireless Systems" is useful for a more effective understanding of the course topics.


The main part of the course will be focused on the analysis and design of microwave RFId systems, in particular in the UHF band, covering all aspects of the system, from the radio ones, to those related to signals and modulation up to the circuital aspects. The choice to focus on a system, obviously very relevant for applications, is linked not only to professional aspects, but also to highlight how the technological and regulatory constraints on the one hand and the freedom of performance on the other orient, in cnnection with the economic requests, the design choices. Some aspects of the system will be discussed in a broader form, not limited to the RFId system (for example, the mixers) or will be generalized to further applications, such as Wireless Power Transfer. Since RFID tags often work in the presence of lossy materials, or close to the human body, these aspects naturally lead to the second part of the course, related to wearable antennas. For this topic, after an examination of the problems that the human body, and similar materials from the electromagnetic point of view, put on radio communications, some examples of use will be shown. Among these, the UWB communications, which are a state-of-the-art system for on-body communications, will be described in greater detail.

Teaching Methods

There will be a balanced division between lectures and practical activities. Part of the lectures will be devoted to a general understanding of the topic, while the other will focus on the design equations for the subsystems described, in order to get a design, or at least a first-stage design. The other part will be more general.
The practical activities will be based on the use of electromagnetic simulation softwares.

Verification of learning

The course, due to its nature, is strongly oriented to design problems. To pass the exam thus requires to show the acquisition of competences related to this content.
For this reason, during the course, the students will be asked to develop topics covered during the practical activities, with the drafting of a report. Furthermore, to pass the exam there is a project activity to be carried out (outside the lecture hours) in small groups, which will require not only the project but also the analysis of the problem, all documented by the preparation of a final report. All report will then be discussed during the final exam.

For those who are unable to carry out the project activities, a standard exam will be provided, with the solution of simple numerical exercises and an oral part. The exercises can be replaced by the drafting of reports related to the analysis of problems relevant to the topics of the course.

The final grade will take into account the knowledge, skills and competences acquired. In particular, a reasonable level of knowledge, combined with at least a minimal skill, is a necessary condition for passing the exam.


D.M. Dobkin: The RF in RFId - Ed. Newnes;

N. Shinohara - Wireless Power Transfer via Radiowaves - Ed. Wiley

P.S. Hall, Y. Hao: Antennas and Propagation for Body-Centric Wireless Communications - Ed. Artech House;

T. Zwick et al (Eds): Ultra-wideband RF System Engineering - Ed. Cambridge Univ. Press;

Review articles on scientific journal;

Course notes.

More Information

Review articles will be made available inside the University internet domain.

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