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13 June 2022 Structured radio-frequency beams for sensing and communication applications
Owen Brandriss, Dylan Burns, Tian Xia, Dryver R. Huston
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Proceedings Volume PC12108, Radar Sensor Technology XXVI; (2022) https://doi.org/10.1117/12.2619089
Event: SPIE Defense + Commercial Sensing, 2022, Orlando, Florida, United States
Abstract
This paper investigates the properties and application of structured radio beams using phase-controlled radio-frequency (RF) antenna arrays. First, is an investigation of a unique, structured, mixed-frequency radio beam carrying orbital angular momentum (OAM). EM beams with OAM exhibit self-healing properties in the optical realm, which extends to radio communications, sensing, and combined radar-communications. Airy beams also self-heal, and have free-accelerating properties. Reproducing these properties via small phased antenna arrays enables remote sensing applications, including phase-controlled leveraging of the parabolic trajectory. Results from laboratory experiments over 0.7 to 6.0 GHz as well as results from numerical simulations are presented.
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Owen Brandriss, Dylan Burns, Tian Xia, and Dryver R. Huston "Structured radio-frequency beams for sensing and communication applications", Proc. SPIE PC12108, Radar Sensor Technology XXVI, (13 June 2022); https://doi.org/10.1117/12.2619089
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KEYWORDS
Phased array optics
Radio optics
Antennas
Phased arrays
RF communications
Numerical simulations
Optical communications
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