In this letter, a novel low-profile dual-band dual-polarized antenna with an artificial magnetic conductor (AMC) surface for wireless local area network (WLAN) applications is presented. Two sets of bowtie patches… Click to show full abstract
In this letter, a novel low-profile dual-band dual-polarized antenna with an artificial magnetic conductor (AMC) surface for wireless local area network (WLAN) applications is presented. Two sets of bowtie patches are introduced to form two dipoles in ±45° polarizations. Two integrated baluns are used to excite the dipoles. By inserting an AMC surface, the antenna can achieve unidirectional radiation pattern and low-profile characteristics. The height of the proposed antenna is 0.088λ0 at 2.4 GHz. It can provide measured 15.6% (2.36–2.76 GHz) and 9.3% (5.12–5.62 GHz) relative bandwidth, respectively. Port-to-port isolation higher than 22 dB can be realized. Stable radiation patterns with peak gain of 7.2 dBi in lower band and 7.3 dBi in upper band are also obtained. The proposed antenna can be used for multiband base stations for WLAN applications.
Journal Title: IEEE Antennas and Wireless Propagation Letters
Year Published: 2017
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