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Article

RF Channel-Selectivity Sensing by a Small Antenna of Metamaterial Channel Filters for 5G Sub-6-GHz Bands

Department of Information and Telecommunication Engineering, Incheon National University, Incheon 22012, Korea
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Author to whom correspondence should be addressed.
Sensors 2020, 20(7), 1989; https://doi.org/10.3390/s20071989
Received: 27 February 2020 / Revised: 22 March 2020 / Accepted: 31 March 2020 / Published: 2 April 2020
(This article belongs to the Special Issue Antennas and Propagation)
In this paper, a new small antenna is suggested for 5G Sub-6-GHz band mobile communication. It can change the channel among the three given bands (called the 3.5-GHz area), as a wide-band antenna is connected to a small multiplexer comprising three metamaterial channel filters. The function of channel selection of this antenna system is experimentally demonstrated to prove the validity of the presented scheme. The channel selection for 5G mobile communication is conducted from f1 (channel 1) through f2 (channel 2) to f3 (channel 3), when TX and RX antennas with gains over 0 dBi and S11 less than −10 dB are located far-field apart (RFar ≫ 2.1 cm), and result in the transmission coefficient (S21) being the greatest at the selected channel, which is detected by a vector network analyzer. View Full-Text
Keywords: 5G mobile communication; Sub-6-GHz; compact antenna; channel selection; channel filters; metamaterials 5G mobile communication; Sub-6-GHz; compact antenna; channel selection; channel filters; metamaterials
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MDPI and ACS Style

Khattak, M.K.; Lee, C.; Park, H.; Kahng, S. RF Channel-Selectivity Sensing by a Small Antenna of Metamaterial Channel Filters for 5G Sub-6-GHz Bands. Sensors 2020, 20, 1989. https://doi.org/10.3390/s20071989

AMA Style

Khattak MK, Lee C, Park H, Kahng S. RF Channel-Selectivity Sensing by a Small Antenna of Metamaterial Channel Filters for 5G Sub-6-GHz Bands. Sensors. 2020; 20(7):1989. https://doi.org/10.3390/s20071989

Chicago/Turabian Style

Khattak, Muhammad K., Changhyeong Lee, Heejun Park, and Sungtek Kahng. 2020. "RF Channel-Selectivity Sensing by a Small Antenna of Metamaterial Channel Filters for 5G Sub-6-GHz Bands" Sensors 20, no. 7: 1989. https://doi.org/10.3390/s20071989

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