Education
Diploma-ingenieur, Technische Hochschule, Darmstadt, Germany, 1976; Master of Science, Princeton University, 1977; Master of Arts, Princeton University, 1978; Doctor of Philosophy, Princeton University, 1980.
Diploma-ingenieur, Technische Hochschule, Darmstadt, Germany, 1976; Master of Science, Princeton University, 1977; Master of Arts, Princeton University, 1978; Doctor of Philosophy, Princeton University, 1980.
Professor department electrical engineering, Columbia University.
Fellow Institute of Electrical and Electronics Engineers (vice-chairman computer committee technical committee Comm. Society 1987-1988,chairman 1989-1991, editor Institute of Electrical and Electronics Engineers Transactions on Comm. 1989-1991, area editor since 1991).