Event date:
Dec 22 2021 6:00 pm

What Time is It? Where Am I.

Dr Asad Abidi
SBASSE 10-201
According to the latest estimate, there are 6.8 billion users of smartphones in the world. Every one of them is using GPS to locate where they are, and to gather data of everything that is around them. But how does the GPS work? I will explain in this talk the engineering behind the system of 24 satellites that enable a low power receiver anywhere on Earth to pinpoint its location in longitude, latitude, and altitude to an ultimate accuracy of 1-mm. Some knowledge of communications and signal processing will be helpful.

"What Time is It? Where Am I" is the title of Dr. Asad Abidi's public lecture scheduled for 6 pm on 22 December 2021, in 10-201, the SSE Building. The talk explains how the 7 billion smartphones and 24 satellites can track time and position with sub-second and sub-centimeter accuracies. This is the technology of GPS. The lecture is open for everyone and is free.

About the speaker:

Asad Abidi received his BSc degree in Electrical Engineering from Imperial College, London in 1976, and PhD from the University of California, Berkeley in 1982. He worked at Bell Laboratories, Murray Hill until 1985, and then joined the faculty of the University of California, Los Angeles, where he is Distinguished Chancellor's Professor of Electrical Engineering. With his students, he has developed many of the radio circuits and architectures that enable today's mobile devices. Among other awards, Professor Abidi has received the 2008 IEEE Donald O. Pederson Award in Solid-State Circuits and the Best Paper Award from the IEEE Journal of Solid-State Circuits in 2012. The University of California, Berkeley's Department of EECS recognized him as a Distinguished Alumnus in 2015. He was elected Fellow of IEEE in 1996, Member of the US National Academy of Engineering, and Fellow of TWAS, the world academy of sciences. Professor Abidi holds the Abdus Salam Chair at the SBASSE School of Science & Engineering, LUMS, Lahore.