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Dual-band virtual antenna array with time modulation in presence of position perturbations

Author

Listed:
  • Jesús C. Garza

    (Universidad Autónoma de Tamaulipas (UAT), UAMRR)

  • Alberto Reyna

    (Universidad Autónoma de Tamaulipas (UAT), UAMRR)

  • Luz I. Balderas

    (Universidad Autónoma de Tamaulipas (UAT), UAMRR)

  • Marco A. Panduro

    (Centro de Investigación Científica y de Educación Superior de Ensenada)

  • Lourdes Y. García

    (Universidad Autónoma de Tamaulipas (UAT), UAMRR)

Abstract

This research presents a design approach of a dual-band virtual antenna array for future flying ad-hoc networks. The design approach consists in applying non-uniform positions and the time modulation technique as element excitations. The main problem is to generate the positions and time sequences that permit low side lobes, as well as low harmonics in the radiation pattern of 2.4 GHz and 5.5 GHz. This problem is solved by utilizing the algorithm of differential evolution for multiobjective optimization. It is presented a virtual array with eight microstrip fed-slot antennas mounted on real drone bodies. The results are analyzed with a comparison among the patterns generated of a uniform array, the patterns generated of a non-uniform array and the pattern generated of a non-uniform array with perturbations in the element positions. The results show the good performance of the array even if the element positions are perturbed due to the sudden flight movements. It was achieved a side lobe level reduction of 7.36 dBi for 2.4 GHz and 5.8 dBi for 5.5 GHz with respect to the maximum directivity of the main lobe. And a harmonic level reduction of 7.7 dBi for both frequencies with respect to the maximum directivity of the main lobe.

Suggested Citation

  • Jesús C. Garza & Alberto Reyna & Luz I. Balderas & Marco A. Panduro & Lourdes Y. García, 2022. "Dual-band virtual antenna array with time modulation in presence of position perturbations," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 81(4), pages 539-547, December.
    • Handle: RePEc:spr:telsys:v:81:y:2022:i:4:d:10.1007_s11235-022-00960-9
    DOI: 10.1007/s11235-022-00960-9
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    References listed on IDEAS

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    1. Diana A. Jiménez & Alberto Reyna & Marco A. Panduro & Carlos Rio & Gopi Ram & Luz Balderas, 2020. "UAVs-based antenna arrays using time modulation," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 74(2), pages 113-127, June.
    2. Alberto Reyna & Jesús Cruz Garza & Omar Elizarraras & Marco Panduro & Luz Idalia Balderas & María de la Luz Prado, 2021. "3D random virtual antenna arrays for FANETs wireless links," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 77(3), pages 469-477, July.
    3. Marco A. Panduro & Carlos A. Brizuela & Jesus Garza & Sergio Hinojosa & Alberto Reyna, 2013. "A comparison of NSGA-II, DEMO, and EM-MOPSO for the multi-objective design of concentric rings antenna arrays," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 27(9), pages 1100-1113, June.
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