Design of Thinned Phased Array Antenna with Subarrays

Jeong, Taeyong; 오경현,; Jung, Jun Young; Hwang, Keum Cheol

doi:10.5515/kjkiees.2022.33.4.284

Cited by 3 publications

(3 citation statements)

References 11 publications

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“…The electronic beam-steering radar offers several advantages: rapid beam scanning, easy array expansion, and quick repair and replacement in case of damage [1][2][3][4][5]. However, the integrated circuit (IC) in the electronic beam-steering radar may be easily damaged via EMP attacks.…”

Section: Introductionmentioning

confidence: 99%

The Design of a Sliding Rectangular Waveguide Array Antenna for Beam Steering

Choi

Han

et al. 2023

J. Electromagn. Eng. Sci

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In this paper, we designed a sliding waveguide array antenna that can be beam-steered via mechanical manipulation. This reduces the vulnerability of electronic beam-steering radars mounted on ships or aircraft to electromagnetic pulse (EMP) attacks. The design frequency was 9.375 GHz. First, the proposed antenna was designed to adjust the phase difference between the arrayed waveguide antennas by changing the length of the rectangular waveguide using a slide. Subsequently, a ridge structure with optimized curvature was attached to the aperture of the rectangular waveguide to obtain stable reflection coefficient characteristics. Finally, eight rectangular waveguide antennas and two dummy antennas were E-plane arrayed at intervals of 0.8λ (25.6 mm) to obtain a beam width of nearly 8°. A beam width of 8° was then obtained by adjusting the length of each waveguide. It was possible to orient the beam of the antenna in intervals of 8° using the phase difference of each antenna. The proposed mechanical beam steering technique can replace electronic beam steering for radar antennas, rendering the structures less vulnerable to EMP attacks.

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Section: Introductionmentioning

confidence: 99%

The Design of a Sliding Rectangular Waveguide Array Antenna for Beam Steering

Choi

Han

et al. 2023

J. Electromagn. Eng. Sci

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“…TRM 및 ADC를 줄이기 위한 연구가 진행되고 있으며 대 표적으로 배열안테나의 채널 중 일부를 임의로 제거한 형태의 thinned 배열 안테나를 한 예로 들 수 있다 [4] . Thinned 배열안테나 설계를 위한 array configuration 및 낮 은 부엽준위 달성을 위한 가중치 등 다양한 연구가 활발 히 진행되고 있으나 널 가중치 적용 시 방사 패턴 분석에 관한 연구는 부족한 상황이다 [4], [5] . 본 논문에서는 문헌 [5] 을 참고하여 Binary-GLPSO(gentic learning particle swarm optimization) 기반 thinned 배열안테나를 설계하였다.…”

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“…Thinned 배열안테나 설계를 위한 array configuration 및 낮 은 부엽준위 달성을 위한 가중치 등 다양한 연구가 활발 히 진행되고 있으나 널 가중치 적용 시 방사 패턴 분석에 관한 연구는 부족한 상황이다 [4], [5] . 본 논문에서는 문헌 [5] 을 참고하여 Binary-GLPSO(gentic learning particle swarm optimization) 기반 thinned 배열안테나를 설계하였다. 여기 서, GLPSO는 GA(genetic algorithm)와 PSO(particle swarm optimization)가 결합한 방식으로 multimodal 문제에 대하 여 우수한 수렴성을 가지고 있다 [6] .…”

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Implementation of Null Radiation Pattern of Thinned Active-Phased Array Antenna Using LCMV

Jeong,

Hwang

2024

J. Korean Inst. Electromagn. Eng. Sci.

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Design of a High-Gain Patch Antenna Integrated with a 3D Printed Inverted Pyramidal GRIN Lens for mmWave Communications

Jo,

Ha,

Kim

2024

J. Korean Inst. Electromagn. Eng. Sci.

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This paper presents the design and fabrication of an inverted pyramidal graded index (GRIN) lens made from polylactic acid (PLA) material using three-dimensional (3D) printing technology that was integrated with an mmWave-band planar patch antenna. To design a lens structure suitable for the characteristics of the 3D printing process, the lens was divided into 3D cubic voxels. Each voxel utilized the volume ratio of PLA to air to achieve the required effective permittivity, and the lens was designed using refractive index changes according to the effective permittivity. The designed lens had an inverted pyramidal structure and consisted of five vertical layers. The low-cost inverted pyramidal GRIN lens increased the gain of the planar patch antenna operating in the 24∼25 GHz band by 3.8 dBi.

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Design of Thinned Phased Array Antenna with Subarrays

Cited by 3 publications

References 11 publications

The Design of a Sliding Rectangular Waveguide Array Antenna for Beam Steering

The Design of a Sliding Rectangular Waveguide Array Antenna for Beam Steering

Implementation of Null Radiation Pattern of Thinned Active-Phased Array Antenna Using LCMV

Design of a High-Gain Patch Antenna Integrated with a 3D Printed Inverted Pyramidal GRIN Lens for mmWave Communications

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