Super-resolution Focusing and Nulling in Rich Multipath Environments using Time-Reversal Techniques

* Department of Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, PA, 15213. email: stancil@cmu.edu, tel.: 412-268-3607, fax: 412-268-6087. † Department of Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, PA, 15213 Abstract − Super-resolution focusing and nulling experiments are described based on multipath-enhanced time-reversal techniques. Using these techniques, two independent 2.45 GHz signals focused at locations separated by 5 cm at a distance of 6.7 m are successfully demodulated.