A working cognitive radio prototype. In this setup, from left to right, computers are 1) sending a video chat, 2) sending interference, 3) receiving the video chat, and 4) monitoring the frequency switching of computer 3 when interference is received.
PhD candidate Kai Hong checks the code in his cognitive radio prototype.
Dr. Martini advances wireless freespace communications in his lab at Stevens.
Dr. Rainer Martini and PhD student work in the lab.
Closeup of laser from Dr. Rainer Martini's lab.
Laser freespace communications research under way in the test bed.
The test bed in the Wireless Information Systems Engineering Laboratory (WISELAB) supports student research into fundamental issues of wireless communications.