A Parallel Plate Ultrawideband Multibeam Microwave Lens Antenna

被引：35

作者：

Manoochehri, Omid ^{[1
]}

Darvazehban, Amin ^{[2
]}

Salari, Mohammad Ali ^{[3
]}

Emadeddin, Ahmad ^{[4
]}

Erricolo, Danilo ^{[1
]}

机构：

[1] Univ Illinois, Dept Elect & Comp Engn, Chicago, IL 60607 USA

[2] Univ Queensland, Sch Informat Technol & Elect Engn, Brisbane, Qld 4072, Australia

[3] Cologne Univ, Dept Phys, D-50937 Cologn, Germany

[4] Shahed Univ, Dept Elect & Comp Engn, Tehran 3319118651, Iran

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2018年 / 66卷 / 09期

关键词：

Coaxial connectors; dielectric antennas; direction of arrival estimation; lens antennas; parallel plate waveguide (PPW); ultrawideband antennas; LUNEBERG LENS; ROTMAN LENS; MILLIMETER;

D O I：

10.1109/TAP.2018.2845548

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：

An ultrawideband multibeam microwave lens antenna operating from 8 to 18 GHz is proposed. The antenna consists of four excitation ports connected to a parallel plate waveguide filled with a cylindrical dielectric slab, which serves as a lens in order to modify the cylindrical wavefront launched by the excitation ports. The output of the lens is a plane wave guided to a radiation aperture with a linear tapered flare. Four distinct fan-beams covering 40 degrees in the azimuth plane with an elevation beamwidth of 30 degrees and a minimum gain of 15 dBi have been achieved. The main advantages of our design include its relative simplicity, ease of fabrication, having a low profile, not requiring an antenna feed, and high-power handling capability. The design procedure is presented together with the optimization procedures. The proposed structure has been simulated with the CST software and fabricated. There is an excellent agreement between the simulation and measurement results.

引用

页码：4878 / 4883

页数：6

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