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Professor (Emeritus) Arogyaswami Paulraj

Join us for the 2014-2015 Dean W. Lytle Electrical Engineering Endowed Lecture Series. Lectures are free and open to the public. Please RSVP to

Mobile Wireless Technology: Past, Present and Future

Revolutionizing high-speed wireless systems with the development of MIMO antennas, Professor (Emeritus) Arogyaswami Paulraj, Stanford University, presents:

Evolution of Mobile Air Interface Technology
For General Audience

Monday, October 20, 2014, 3:30pm I Reception to follow
Electrical Engineering Building, Room 125
Map and Directions

With nearly seven billion subscribers and the proliferation of smart phones, the impact of mobile wireless technology is both universal and transformative. This talk is a personal perspective of the evolution of mobile air interface technology and the underlying regulatory, competitive and commercial factors that shaped its evolution. The talk will outline the story behind the advent of TDMA, the rise of CDMA, the transition to MIMO-OFDMA, and what may be coming next.

Road to 5G
Technical Colloquium
Tuesday, October 21, 2014, 10:30am
Electrical Engineering Building, Room 105
Map and Directions

This talk describes some of the drivers for 5G mobile standards and the different solutions being considered. In particular, massive MIMO in the millimetric band is discussed. While this promises significant increases in data rate and spectral efficiency, there are a number of propagation-related challenges such as absorption loss in heavy precipitation and foliage and strong shadowing. A number of approaches to deal with these issues will be discussed.

Host: Dr. Louis Scharf, Research Professor, Department of Mathematics, Colorado State University.


Dr. Paulraj is an Emeritus Professor at Stanford University. He graduated with a Ph.D. from the Indian Institute of Technology, New Delhi, India, in 1973. After 25 years with the Indian Navy, Paulraj joined Stanford University in 1992. He proposed the concept of spatial multiplexing/MIMO in 1992. MIMO technology is the key to today’s wireless broadband networks like 4G cellular and WiFi. Paulraj has received several recognitions including the 2011 IEEE Alexander Graham Bell Medal and the 2014 Marconi Prize and Fellowship. He is a member of seven national academies including the US National Academy of Engineering.


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