B. Sundar Rajan is a professor in the Department of Electrical Communication Engineering, Indian Institute of Science (IISc), Bangalore, India. He is a well-known authority in the area of space-time coding for MIMO channels and distributed space-time coding, and a leading expert in the design of space-time codes based on algebraic techniques. He is a recipient of the Professor Rustum Choksi Award from IISc for excellence in research in engineering, and a Fellow of the Indian National Academy of Engineering (INAE), the National Academy of Sciences, India (NASI), the Indian National Science Academy (INSA) and the Indian Academy of Sciences (IASc).