A novel wideband and high-gain bow-tie slot antenna with aperture coupled feeding structure

Author(s):  
Hao Wang ◽  
Zengxia Ding ◽  
Shuang He ◽  
Jianyin Cao ◽  
Yuqian Yang
2019 ◽  
Vol 2019 ◽  
pp. 1-14 ◽  
Author(s):  
Guang Sun ◽  
Ge Gao ◽  
Tingting Liu ◽  
Yi Liu ◽  
Hu Yang

In this paper, a wideband slot antenna element and its array with stereoscopic differentially fed structures are proposed for the radar system. Firstly, a series of slots and a stereoscopic differentially fed structure are designed for the antenna element, which makes it possess a wide bandwidth, stable radiation characteristics, and rather high gain. Moreover, the stereoscopic feeding structure can firmly support the antenna’s radiation structure and reduce the influence of feeding connectors on radiating performance. Secondly, a 4 × 4 array is designed using the proposed antenna element. And a hierarchical feeding network is designed for the array on the basis of the stereoscopic differentially fed structure. For validation, the antenna element and 4 × 4 array are both fabricated and measured: (1) the measured −10 dB impedance bandwidth of the antenna element is 62% (6.8–12.9 GHz) and the gain within the entire band is 5–9.7 dBi and (2) the measured −10 dB impedance bandwidth of the array is approximately 50% (7 to 12 GHz) with its gain being 14–19.75 dBi within the entire band. Notably, measured results agree well with simulations and show great advantages over other similar antennas on bandwidth and gain.


2020 ◽  
Vol 14 (11) ◽  
pp. 1185-1189
Author(s):  
Vahid Rafiei ◽  
Ghader Sharifi ◽  
Saeid Karamzadeh ◽  
Mesut Kartal

IEEE Access ◽  
2019 ◽  
Vol 7 ◽  
pp. 36177-36185 ◽  
Author(s):  
Syed M. Sifat ◽  
Mohamed Mamdouh M. Ali ◽  
Shoukry I. Shams ◽  
Abdel-Razik Sebak
Keyword(s):  

2013 ◽  
Vol 49 (21) ◽  
pp. 1312-1313 ◽  
Author(s):  
Yi Zhao ◽  
Xiang‐yu Cao ◽  
Jun Gao ◽  
Wen‐qiang Li

2010 ◽  
Vol 15 ◽  
pp. 27-36 ◽  
Author(s):  
Zhi-Hong Tu ◽  
Qing-Xin Chu ◽  
Qiu-Yi Zhang

2013 ◽  
Vol 6 (2) ◽  
pp. 167-172 ◽  
Author(s):  
Srinivasan Ashok Kumar ◽  
Thangavelu Shanmuganantham

A novel coplanar waveguide fed Industrial, Scientific, and Medical (ISM) band implantable crossed-type triangular slot antenna is proposed for biomedical applications. The antenna operates at the center frequency of 2450 MHz, which is in ISM band, to support GHz wideband communication for high-data rate implantable biomedical application. The size of the antenna is 78 mm3 (10 mm × 12 mm × 0.65 mm). The simulated and measured bandwidths are 7.9 and 8.2% at the resonant frequency of 2.45 GHz. The specific absorption rate distribution induced by the implantable antenna inside a human body tissue model is evaluated. The communication between the implanted antenna and external device is also examined. The proposed antenna has substantial merits such as miniaturization, lower return loss, better impedance matching, and high gain over other implanted antennas.


2005 ◽  
Vol 15 (10) ◽  
pp. 633-634 ◽  
Author(s):  
Qinjiang Rao ◽  
R.H. Johnston ◽  
T.A. Denidni ◽  
A.R. Sebak
Keyword(s):  

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