B9. Dielectric resonator antenna array for direction finding systems

Zainud-Deen, S.H.; El-Shalaby, Noha A.; Awadalla, K. H.

doi:10.1109/nrsc.2012.6208509

Cited by 2 publications

(1 citation statement)

References 12 publications

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“…In the case of placing multiple DF antennas on different planes, the boresight gain of the antenna located at the back becomes low due to the configuration and material properties of the antenna located in the front. There are many studies on DF systems using multiple antennas; however, the antennas were generally placed on the same planes and mainly aimed at detecting targets in the perpendicular directions related to the body axis [1,[4][5][6]. Further, most studies have not considered situations in which conductor material or other devices are located in front of the antennas.…”

Section: Introductionmentioning

confidence: 99%

A Direction-Finding Antenna Inserted into the Surface of Cylindrical Conductor Body

Kim

2022

J Electromagn Eng Sci

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In this letter, a direction-finding (DF) antenna inserted into the surface of a cylindrical conductor body, with the conductor material in front of the antenna, is presented. To minimize a gain reduction in the axis direction of the cylindrical conductor, an aperture of an openended waveguide antenna is modified, and the conductor body is deformed. The antenna is operated at the X-band, and its direction finding performance using an amplitude comparison method is analyzed. To verify the validation of the performance of the antenna, the analyzed results are compared to the measurement results.

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Section: Introductionmentioning

confidence: 99%

A Direction-Finding Antenna Inserted into the Surface of Cylindrical Conductor Body

Kim

2022

J Electromagn Eng Sci

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Dielectric Resonator Antenna Mounted on Cylindrical Ground Plane for Handheld RFID Reader at 5.8 GHz

Zainud-Deen¹,

El-Shalaby

Awadalla³

2012

AEM

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Dielectric resonator antenna (DRA) mounted on cylindrical ground plane is investigated for handheld RFID reader applications at 5.8 GHz. The simplicity of the structure makes it practical in terms of cost, space, and ease of fabrication. The radiation characteristics of the antenna in free space and in the presence of a proposed compact reader device model and human hand are calculated. The antenna is circularly polarized and exhibits peak gain of 7.62 dB at 5.8 GHz with high front to back ratio of 15.5 dB. Using the same reader device model, a sequentially feeding 2×2 DRA array mounted on the same cylindrical ground plane is used for RFID reader antenna at 5.8 GHz. The array introduces high gain of 9.36 dB at 5.8 GHz with high front to back ratio of 10.48 dB. The 2×2 DRA array elements exhibit circular polarization over a frequency band of 1.1 GHz. The axial ratio is 1.1 dB at 5.8 GHz. The proposed reader model is simple and has a small size compared with that in the case of planar ground plane. The results are calculated using the finite element method (FEM) and compared with that calculated using the finite integral technique (FIT).

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B9. Dielectric resonator antenna array for direction finding systems

Cited by 2 publications

References 12 publications

A Direction-Finding Antenna Inserted into the Surface of Cylindrical Conductor Body

A Direction-Finding Antenna Inserted into the Surface of Cylindrical Conductor Body

Dielectric Resonator Antenna Mounted on Cylindrical Ground Plane for Handheld RFID Reader at 5.8 GHz

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