Wideband Vertically Polarized Antenna With Endfire Radiation for 5G Mobile Phone Applications

This letter presents a wideband slotted substrate integrated waveguide (SIW) antenna for millimeter-wave (mm-wave) fifth-generation (5G) mobile handset applications. The antenna is vertically polarized and has a small clearance of 3.3 mm. To realize a wide operating bandwidth, two sets of vias are e...

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Veröffentlicht in:	IEEE antennas and wireless propagation letters 2020-11, Vol.19 (11), p.1948-1952
Hauptverfasser:	Khajeim, Maryam Faizi, Moradi, Gholamreza, Shirazi, Reza Sarraf, Zhang, Shuai, Pedersen, Gert Frolund
Format:	Artikel
Sprache:	eng
Schlagworte:	5G mobile communication Antenna arrays Antenna measurements Antenna radiation patterns Antennas Bandwidth Bandwidths Beamforming Broadband Cell phones Endfire radiation handset antenna Impedance matching Millimeter waves millimeter-wave (mm-wave) Mobile antennas Mobile handsets phased array Substrate integrated waveguides Vertical polarization wideband
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Beschreibung
Zusammenfassung:	This letter presents a wideband slotted substrate integrated waveguide (SIW) antenna for millimeter-wave (mm-wave) fifth-generation (5G) mobile handset applications. The antenna is vertically polarized and has a small clearance of 3.3 mm. To realize a wide operating bandwidth, two sets of vias are employed to perform a change in SIW height. Furthermore, a pair of U-shaped slots is used in both top and bottom faces of SIW to improve impedance matching and front-to-back radiation ratio. The antenna achieves a measured −6 dB bandwidth of 35.7% (23.4-33.6 GHz) and a −10 dB bandwidth of 17.4% (26.2-31.2 GHz). The beamforming capability of the antenna array is investigated. The antenna array has good scanning performance and achieves large spatial coverage.
ISSN:	1536-1225 1548-5757
DOI:	10.1109/LAWP.2020.3009097