Wideband SIW Cavity-backed Microstrip Antenna for Wide-angle Scanning Phased Array

Yi, Lijun; Yu, Huaiqiang; Yin, Yiting; Tian, Ye; Yu, Yantao

doi:10.1109/radar53847.2021.10027867

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Steering Capacity Of the Manufactured Antenna1

Introduction1

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2023

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(2 citation statements)

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“…However, these technologies lack wide bandwidth. The technologies presented in [9,[26][27][28][29] show a difficulty in reconciling bandwidth, high steering angles and low SLLs even when using the same technology. Compared to [20] and [24], which also uses MARPEM technology, the work presented here has a lower scan range and higher SLLs but has a higher bandwidth and a low number of elements.…”

Section: Steering Capacity Of the Manufactured Antennamentioning

confidence: 99%

See 1 more Smart Citation

Design of a Wideband, High Steering Angle and Low Side-Lobes Levels Matrix Antenna

Karmann,

Martinod,

Arnaud

et al. 2023

IJECER

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This paper presents the use of pixel-type radiating elements in the context of broadband beam steering. The elements are composed of a resonant cavity topped by a frequency selective surface, fed via a patch antenna and filled with dielectric substrates. This pixel antenna has a wide -10 dB matching band from 1.22 to 1.61 GHz, which corresponds to a 27% fractional bandwidth. It has an angular aperture greater than 124° and a realized gain between 3.3 and 3.8 dBi over the whole matching band. An array composed of 5 elements has been simulated and allows a steering on a range of ±60° in the E plane while keeping the gain variation below 3 dB. A prototype has been manufactured and presents a steering capacity between -56 and 53° on the whole band with side-lobes levels lower than -8.1 dB whatever the angle.

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Section: Steering Capacity Of the Manufactured Antennamentioning

confidence: 99%

“…The main issue with the use of patch antennas is their low bandwidth. In order to improve it, it is possible to use non-rectangular patches [7], cavity-backed structures [8][9][10][11] or stacked-patches [12].…”

Section: Introductionmentioning

confidence: 99%