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    Multiband monopole antenna design for Sub-6 GHz 5G Internet-of-Things applications

    Enahoro, Sunday, Ekpo, Sunday ORCID logoORCID: https://orcid.org/0000-0001-9219-3759, Gibson, Andrew ORCID logoORCID: https://orcid.org/0000-0003-2874-5816, Chow, Kin Kee ORCID logoORCID: https://orcid.org/0000-0003-0589-6208, Ji, Helen ORCID logoORCID: https://orcid.org/0000-0001-7955-2999 and Rabie, Khaled ORCID logoORCID: https://orcid.org/0000-0002-9784-3703 (2023) Multiband monopole antenna design for Sub-6 GHz 5G Internet-of-Things applications. In: Second International Conference on Adaptive and Sustainable Science, Engineering and Technology (ASSET) 2023, 18 July 2023 - 20 July 2023, Ikot Akpaden, Nigeria and Manchester, UK. (In Press)

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    Monopole antenna plays a vital role in mobile Internet of Things (IoT) applications because of its low cost, low form factor, and size. The SWaP-C (size, weight, and power – cost) constraints of mobile Internet of Things (IoT) device poses extra challenges for antenna designers. These challenges are due to the expected largescale integration of various multi-frequency transceiver subsystems such as 5G New Radio (NR) sub-6 GHz (3.3 - 5 GHz); 5G NR mmWave (24–30 GHz); adaptive beamforming; and 4x4 multipleinput multiple-output capabilities present challenging design considerations for 5G antenna development. This paper proposes a novel multiband planar monopole antenna for 5G sub-6 GHz NR frequency bands for mobile handsets, smart Internet of Things devices, and small satellites (including nanosatellites/CubeSats). The gain (dBi)-resonance frequency (MHz) responses of the proposed antenna are (1.86, 960); (3.6, 1910); (1.74, 2440); and (3.16, 3050) with bandwidths of 854-1043 MHz, 1673-2559 MHz and 2932-3800 MHz.

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