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Linearly Polarized Antenna Boosters versus Circularly Polarized Microstrip Patch Antennas for GPS Reception in IoT Devices

Author

Listed:
  • Jaime Gui

    (R&D Department, Ignion, 08190 Barcelona, Spain)

  • José L. Leiva

    (R&D Department, Ignion, 08190 Barcelona, Spain)

  • Aurora Andújar

    (R&D Department, Ignion, 08190 Barcelona, Spain)

  • Jaap Groot

    (R&D Department, Ignion, 08190 Barcelona, Spain)

  • Joan L. Pijoan

    (Engineering Department, Universitat Ramon LLull, 08022 Barcelona, Spain)

  • Jaume Anguera

    (R&D Department, Ignion, 08190 Barcelona, Spain
    Engineering Department, Universitat Ramon LLull, 08022 Barcelona, Spain)

Abstract

GPS has become an attractive feature for geolocalization enabling asset tracking IoT devices. GPS satellite antennas radiate RHCP (right-hand circularly polarized) electromagnetic waves; thus, the typical antenna at the receiver is also RHCP. However, when the orientation of the receiving device is random, linear polarization antennas operate better in terms of TTFF (time to first fix). Through field measurements (urban and field) and considering different positions of the device in a vehicle, an RHCP microstrip patch antenna and a linear non-resonant antenna element called an antenna booster were compared. TTFF averaged for several positions was 7 s better for the linearly polarized antenna booster than for the microstrip RHCP patch antenna. The results demonstrate that the behavior of the linear polarization antenna booster technology is more robust in terms of TTFF to the arbitrary position of the IoT device while keeping a small size and simplicity.sdf

Suggested Citation

  • Jaime Gui & José L. Leiva & Aurora Andújar & Jaap Groot & Joan L. Pijoan & Jaume Anguera, 2022. "Linearly Polarized Antenna Boosters versus Circularly Polarized Microstrip Patch Antennas for GPS Reception in IoT Devices," Energies, MDPI, vol. 15(24), pages 1-20, December.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:24:p:9623-:d:1007697
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