[3] In 1963, he earned his bachelor's degree in telecommunications from the College of Engineering, Guindy, Chennai, which is currently recognized as Anna University.
program at the Indian Institute of Technology (IIT), Madras in 1966 and was awarded the Siemens Prize for securing the top position in his batch.
[1] He worked as a research scholar and part-time lecturer at IIT, Madras, and also as a teaching assistant at Yale University.
He authored over 275 articles and contributions to 3 books in leading journals and conferences, and his work has been cited in over 100 patent applications.
These included developing digital communication systems that use bandwidth efficiently, applying statistical communication theory in different systems like array processing, signal processing algorithms, transceiver structures, mobile networks, and designing coding algorithms and architectures.