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Arogyaswami Paulraj
Professor Emeritus

Arogyaswami Paulraj

Professor (Emeritus) Arogyaswami Paulraj, Stanford University, is the inventor of MIMO wireless communications, a technology break through that enables improved wireless performance.


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Arogyaswami Paulraj is an Emeritus Professor at Stanford University. After 25 years of service with the Indian Government, Paulraj joined Stanford University in 1991 and retired from there in 2013. He remains active in the wireless industry as an advisor to governments and technology / venture capital companies.

His invention and advancement of MIMO (Multiple Input Multiple Output) wireless technology revolutionized Mobile and WiFi wireless networks, greatly enhancing network economics and user experience.

In 1999, Paulraj founded Iospan Wireless Inc. which pioneered MIMO-OFDMA wireless technology now used in 4G, 5G and WiFi networks. In 2003, Paulraj co-founded Beceem Communications Inc. which became the leader in 4G WiMAX chip sets. In 2014, he founded Rasa Networks for WiFi Network Analytics. These companies were acquired by Intel, Broadcom and HPE respectively.

Paulraj’s recognitions for his invention of MIMO wireless technology include the Marconi Prize, the IET Faraday Medal, the IEEE Alexander Graham Bell Medal, and Induction into the USPTO National Inventors Hall of Fame. He is a member of many academies worldwide including the US National Academy of Engineering and the American Academy of Arts and Sciences. He has two books on MIMO technology and published over 400 research papers and is a co-inventor on 83 US patents.

Paulraj’s contributions in India between 1970 to 1990 were in development of ASW sonar technology for the Indian Navy and founding three national research centers in Artificial Intelligence and Robotics, Advanced Computing and Military Electronics. He has received several recognitions in India including the Padma Bhushan, the country’s third highest civilian honor.