Introduction to the new concept of age of information
Speaker: Prof. Anthony Ephremides, University of Maryland, USA
Date: 02 August 2017 Time: 12:00 – 13:30
Location: "Stelios Orphanoudakis" Seminar Room, FORTH, Heraklion, Crete
Host: Στέφανος Παπαδάκης, TNL, ICS FORTH


Recently a simple concept was identified in the fields of communications, networking, and computer science, that has become known as “Age of Information” or “Age of Information Updates”. It concerns an ongoing process that is sampled at different times and the sampled values transmitted through a system to a receiver. The difference between the current time and the time the most recently received sample was generated is called the “age” of information at the receiver.

There has been a truly explosive rise in the interest of the community in this concept as it has intriguing theoretical implications and numerous applications. In this talk I will introduce this concept and will review some of the many recent studies that deal with it.


Distinguished University Professor and Cynthia Kim Eminent Professor of Information Technology University of Maryland, College Park, MD 20742 Tel. 301-405-3641 email: etony@umd.edu

 Relevant Expertise: Communication Systems and Networks, Optimization, Wireless Systems, Internet of Things, Information Theory, Game Theory, Intelligent Distributed Systems, Multi-user Systems.

Education: National Technical University of Athens, Greece, Electrical Engineering, BS, 1967 Princeton University, Electrical Engineering, MA, 1969 Princeton University, Electrical Engineering, Ph.D. 1971

Appointments and Experience: Visiting Professor at MIT, UC Berkeley, Guest Professor Linkoping University, Founding Member of ISR and Founding Co-Director of NASA CCDS, Joint Appointment at ECE Department and ISR at UMD

Synergistic Activities: Pioneered the Field of Ad Hoc Wireless Networks and the Concept of Cross-Layer Networking.• PI and Co-PI of numerous MURI projects and the ARL CTA. • Keynote Speaker at numerous symposia and venues worldwide. • Published hundreds of articles with h-index of 56.    

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