Κινητά και Ασύρματα Δίκτυα - Mobile and Wireless Networks (M121 - EN23/IC1)

The rapid development of wireless and mobile communications, that started in the 80's, mainly through WiFi and GSM, continues in our days with 4G and now with 5G mobile networks. The aim of this course is to describe the principles and architecture of modern wireless and mobile networks, focusing on their main functionalities. The course will cover:

Wireless/mobile Internet access:

- History, general principles of mobile communications

- Problems of Internet Protocol (IP) over wireless networks

- Wireless communications – Modulation, transmission

- Wireless networks – WLANS

- IP mobility support

Mobile Networks:

- 4G networks – Architecture and operation

- 5G architecture

- Quality of Service / Quality of Experience support in modern networks

- Radio resource management

- Interference mitigation/management

- Mobility support in mobile networks

The course also includes an individual assignment for the students, in the form of a 15-minute presentation on a relevant subject. A list of available subjects will be proposed to the students around the middle of the semester, while they will be also allowed to propose a subject of their own choice. The presentations will be recorded and uploaded through eclass by the end of the semester. The grade of the presentation will be 30% of the final grade (70% will be through the final examinations).