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A multi-stable deployable quadrifilar helix antenna with radiation reconfigurability for disaster-prone areas

Author

Listed:
  • Rosette Maria Bichara

    (American University of Beirut)

  • Joseph Costantine

    (American University of Beirut)

  • Youssef Tawk

    (American University of Beirut)

  • Maria Sakovsky

    (Stanford University)

Abstract

In disaster-prone areas, damaged infrastructure requires impromptu communications leveraging lightweight and adaptive antennas. Accordingly, we introduce a bi-stable deployable quadrifilar helix antenna that passively reconfigures its radiation characteristics in terms of pattern and polarization. The proposed structure is composed of counter-rotating helical strips, connected by rotational joints to allow a simultaneous change in the helix height and radius. Each helical strip is composed of a fiber-reinforced composite material to achieve two stable deployed states that are self-locking. The reconfiguration between an almost omnidirectional pattern and a circularly polarized directive pattern enables the antenna to be suitable for both terrestrial and satellite communication within the L-band. More specifically, the presented design in infrastructure-less areas achieves satellite localization with directive circularly polarized waves and point-to-point terrestrial connectivity with an almost omnidirectional state. Hence, we present a portable, agile, and passively reconfigured antenna solution for low-infrastructure areas.

Suggested Citation

  • Rosette Maria Bichara & Joseph Costantine & Youssef Tawk & Maria Sakovsky, 2023. "A multi-stable deployable quadrifilar helix antenna with radiation reconfigurability for disaster-prone areas," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-44189-9
    DOI: 10.1038/s41467-023-44189-9
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    References listed on IDEAS

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    1. Beth Barnes & Sarah Dunn & Sean Wilkinson, 2019. "Natural hazards, disaster management and simulation: a bibliometric analysis of keyword searches," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 97(2), pages 813-840, June.
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