A Van Atta array is a type of passive retrodirective phased array antenna which redirects (rather than reflects) a signal back in the direction from which it came. It was first described by L. C. van Atta in his 1959 patent.[1]

The signal can be modulated by the redirecting host for purposes such as radio-frequency identification and traffic control (radar target echo enhancement).[2]

A 2023 paper describes the extension of the van Atta antenna principle to underwater acoustic communication.[3]

References

  1. ↑ US patent 2908002, Lester C. van Atta, "Electromagnetic Reflector", published 1959-16-10
  2. ↑ Itoh, Tatsuo; et al., eds. (2001). RF Technologies for Low-Power Wireless Communications. John Wiley & Sons. pp. 341–342. ISBN 978-0-471-38267-6.
  3. ↑ Eid, Aline; Rademacher, Jack; Akbar, Waleed; Wang, Purui; Allam, Ahmed; Adib, Fadel (2023-09-10). "Enabling Long-Range Underwater Backscatter via Van Atta Acoustic Networks". ACM: 1–19. doi:10.1145/3603269.3604814. ISBN 979-8-4007-0236-5. {{cite journal}}: Cite journal requires |journal= (help)

See also


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