Mobile optical communication using a fiber-optic drone
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Published on: January 11, 2011
Jiahao Gou1, Mingxu Liu1, Xinjie Mo1
1GaN Optoelectronic Integration International Cooperation Joint Laboratory of Jiangsu Province, Nanjing University of Posts and Telecommunications, Nanjing 210003, China.
Abstract:
Fiber-optic drones use physical fiber-optic tethers for data communication, reducing reliance on wireless radio links. Here, drones combine fiber-based flight-control and uplink paths and visible light downlink to achieve flight control and air-to-ground mobile optical communication at the same time. Optical path alignment is dynamically maintained by integrating with three-axis gimbal modules. Real-time data transmission verifies the end-to-end relay path. An uncoded bit error rate (BER) on the order of 10-4 is obtained at a received optical power of -30 dBm. The results provide a compact mobile optical relay architecture for radio-frequency (RF)-constrained environments.
