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A Millimeter-Wave Multibeam Transparent Transmitarray Antenna at Ka-Band
Liu, Guang; Kodnoeih, Mohammad Reza Dehghani; Kien Trung Pham; Cruz, Eduardo Motta; Gonzalez-Ovejero, David; Sauleau, Ronan
Department微波遥感部
Source PublicationIEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
2019
Volume18Issue:4Pages:631-635
DOI10.1109/LAWP.2019.2899925
ISSN1536-1225
KeywordAperture Coupled Stacked Patch Array Millimeter Waves Multibeam Antenna Transmitarray Antennas (Tas) Transparent Antennas
Abstract

This letter presents a transmitarray antenna ( TA) in the 27.5-29.5 GHz frequency band. The proposed TA is optically transparent and offers the possibility of steering the beam in the H-plane from -30 degrees to 30 degrees. One can achieve these properties using a novel unit cell, composed of meshed double-circle rings printed on polymethylmethacrylate substrates, a plastic material transparent to visible light. This unit cell provides a phase shift of 300 degrees for an insertion loss lower than 1 dB at 28.5 GHz. In turn, the TA sources consist of 2 x 2-element arrays of aperture-coupled stacked patch antennas. The choice of a patch array over a horn array allows one to reduce the total profile and weight of the TA. We have fabricated and tested a transparent TA with a diameter of 9.9 wavelengths at 28.5 GHz, yielding a broadside gain of 25 dBi and -1 dB gain bandwidth of 1.8 GHz; the OFF-axis 30 degrees beam presents a peak gain of 21.5 dBi and -1 dB gain bandwidth of 1.4 GHz. The measured results are in good agreement with the simulated ones all over the frequency band of interest.

Indexed BySCI ; EI
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6977
Collection微波遥感部
Recommended Citation
GB/T 7714
Liu, Guang,Kodnoeih, Mohammad Reza Dehghani,Kien Trung Pham,et al. A Millimeter-Wave Multibeam Transparent Transmitarray Antenna at Ka-Band[J]. IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS,2019,18(4):631-635.
APA Liu, Guang,Kodnoeih, Mohammad Reza Dehghani,Kien Trung Pham,Cruz, Eduardo Motta,Gonzalez-Ovejero, David,&Sauleau, Ronan.(2019).A Millimeter-Wave Multibeam Transparent Transmitarray Antenna at Ka-Band.IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS,18(4),631-635.
MLA Liu, Guang,et al."A Millimeter-Wave Multibeam Transparent Transmitarray Antenna at Ka-Band".IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS 18.4(2019):631-635.
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