Dual‐band horizontally/dual‐polarized antennas for WiFi/WLAN/ISM applications | Zendy

Gong Qing | Zendy; Xiao Meizhen | Zendy; Luo Peng | Zendy; Cui Yuehui | Zendy

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Dual‐band horizontally/dual‐polarized antennas for WiFi/WLAN/ISM applications

Author(s) -

Gong Qing,

Xiao Meizhen,

Luo Peng,

Cui Yuehui

Publication year - 2020

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.32162

Subject(s) - omnidirectional antenna , multi band device , antenna (radio) , optics , bandwidth (computing) , physics , electrical engineering , optoelectronics , telecommunications , engineering

A dual‐band horizontally polarized (HP) antenna with omnidirectional radiation patterns is presented in this paper. The HP antenna is a vertical slot backed with a metal box, which is excited by a tapered feeding patch with a U‐slit for dual‐band operation. Good omnidirectional radiations are observed. A dual‐band dual‐polarized (DP) antenna is then developed by adding a dual‐band vertically polarized (VP) element to the HP element. The VP element is composed of two horizontal slots excited by a two‐branch feedline. The dual‐band DP antenna achieves an overlapped impedance bandwidth of 6% (2.34‐2.5 GHz) for the lower band and 15% (5.06‐5.91 GHz) for the upper band with an isolation of higher than 35 dB. Both the dual‐band HP and DP antennas are suitable to serve as WiFi/WLAN/ISM antennas for short‐range, low power wireless communications.

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