Toward a wireless optical communication link between two small unmanned aerial vehicles
Last, M.
Leibowitz, B.S.
Cagdaser, B.
Jog, A.
Zhou, L.
Boser, B.
Pister, K.S.J.
Berkeley Sensor & Actuator Center, California Univ., Berkeley, CA, USA;
Abstract
A communication system between two autonomous micro air vehicles is proposed. Laser communication offers advantages in range, power, and bandwidth when line of sight is available. Beamsteering is accomplished using gyro-stabilized MEMS micromirrors. A custom CMOS smart-pixel imager implements a 1 Mbps receiver, including analog front-end and variable-gain amplifier at each pixel. Algorithms are presented for initial link establishment and maintenance.
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