Compact Bandwidth Enhanced Cavity-Backed Magneto-Electric Dipole Antenna with Outer Γ-Shaped Probe for GNSS Bands

被引：11
作者：
Causse, Alexandre [1 ,2 ]
Rodriguez, Kevin [2 ]
Bernard, Loic [2 ]
Sharaiha, Ala [1 ]
Collardey, Sylvain [1 ]
机构：
[1] Univ Rennes 1, IETR, 263 Ave Gen Leclerc, F-35700 Rennes, France
[2] French German Res Inst St Louis, 5 Rue Gen Cassagnou, F-68301 St Louis, France
来源：
SENSORS | 2021年 / 21卷 / 11期
关键词：
magneto-electric; miniature; cavity-backed antenna; GNSS; wideband; LOW-PROFILE;
D O I：
10.3390/s21113599
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this paper, a wideband small cavity-backed magneto-electric (ME) antenna is proposed. This antenna is linearly polarized and designed to cover all the Global Navigation Satellite System (GNSS) bands. It exhibits small external dimensions of 90 x 90 x 40 mm(3) (0.34 x 0.34 x 0.15 lambda(3) at lowest frequency) and achieves a wide impedance bandwidth of 40.5% (from 1.14 to 1.72 GHz) due to the excitation of a third resonance of the ME structure. It also provides a regular broadside gain of 5.2 dBi and stable radiation pattern in both E and H planes of the antenna.
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页数：11
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