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2020•Unpublished venueRequires access

Axial Displaced Ellipse Reflector Antenna with Adjustable Beamwidth for E-band Wireless Link

Hang Jiang, Yuan Yao, Xiaohe Cheng, Tao Xiu, Junsheng Yu, Xiaodong Chen

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Abstract

This paper presents the design of an E-band high-gain Axial Displaced Ellipse (ADE) reflector antenna. The compact antenna has the ability to adjust the beamwidth. Simulated results show that by moving the sub reflector away from the feed, half-power beamwidth (HPBW) can be expanded at least 5 times from 71GHz to 86GHz. When the beamwidth is the narrowest, on-axis directivity of 46.1±0.8dBi between 71-86GHz is obtained.

About this research paper

What this paper is about

This paper presents the design of an E-band high-gain Axial Displaced Ellipse (ADE) reflector antenna. The compact antenna has the ability to adjust the beamwidth. Simulated results show that by moving the sub reflector away from the feed, half-power beamwidth (HPBW) can be expanded at least 5 times from 71GHz to 86GHz. When the beamwidth is the narrowest, on-axis directivity of 46.1±0.8dBi between 71-86GHz is obtained.

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Available abstract

This paper presents the design of an E-band high-gain Axial Displaced Ellipse (ADE) reflector antenna. The compact antenna has the ability to adjust the beamwidth. Simulated results show that by moving the sub reflector away from the feed, half-power beamwidth (HPBW) can be expanded at least 5 times from 71GHz to 86GHz. When the beamwidth is the narrowest, on-axis directivity of 46.1±0.8dBi between 71-86GHz is obtained.

Key concepts: Beamwidth, Fan-beam antenna, Directivity, Ellipse, Reflector (photography), Periscope antenna, Cassegrain antenna, Optics

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