A Dual-Band Fabry-Perot Cavity Antenna with a Single Partially Reflecting Surface and Reduced Cavity Height for WLAN Applications

被引：2
作者：
Sarkar, Sayan [1 ]
Gupta, Bhaskar [1 ]
机构：
[1] Jadavpur Univ, Dept ETCE, 188 Raja SC Mallick Rd, Kolkata 700032, India
来源：
RADIOENGINEERING | 2021年 / 30卷 / 01期
关键词：
Artificial Magnetic Conductor (AMC); Circular Polarization (CP); dual-band; Fabry-Perot Cavity Antenna (FPCA); Partially Reflecting Surface (PRS); positive reflection phase gradient; WLAN; RESONATOR ANTENNA; GAIN; SUPERSTRATE; PLANE;
D O I：
10.13164/re.2021.0104
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper proposes a dual-band Fabry-Perot Cavity Antenna (FPCA) operating at two important WLAN bands - the 2.4 GHz band and 5.8 GHz band. It exhibits Circular Polarization (CP) at 2.4 GHz and Linear Polarization (LP) at 5.8 GHz. The proposed antenna uses only a single Partially Reflecting Surface (PRS) layer to achieve good 3dB gain bandwidths in both the bands. The cavity height of the antenna is also significantly reduced by using an Artificial Magnetic Conductor (AMC) ground plane. The antenna achieves a 3dB axial ratio bandwidth (AR-BW) of 7.9% at 2.4 GHz with peak measured gains of 14.3 dBi and 15.5 dBi at 2.4 GHz and 5.8 GHz respectively. The antenna also exhibits a 3dB gain BW of 7.8% in the first band and 5.5% in the second band.
引用
收藏
页码：104 / 110
页数：7
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