设计一个紧和极简的中间阶段转移料网络,用于Ka频段的电束方向
Sebastian Verho1, Jae-Young Chung1
1Department of Electrical and Information Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea.
Sensors (Basel, Switzerland)
|February 24, 2024
概括
使用共享相位转换器,中间相位转换可以将天线输送网络的大小和成本降低25%. 这种技术使得用于无线传感器网络等应用的密集毫米波设计成为可能.
科学领域:
- 电气工程 电气工程
- 天线理论和设计.
- 微波工程 微波工程
背景情况:
- 可重新配置的输送网络对于天线阵列中的电束方向是至关重要的.
- 传统的设计使用单个相位变换器,导致更大的足迹和更高的成本.
- 毫米波频率需要紧的设计,因为频率取决于天线间距.
研究的目的:
- 引入和展示中间阶段转换作为一个足迹和成本降低技术.
- 设计用于连续相位转移配置的Ka频段可重新配置的输送网络.
- 为了实现紧且具有成本效益的光束转向解决方案.
主要方法:
- 通过在两个相邻天线之间共享相位移器来实现中间相位移.
- 设计了一种可重新配置的Ka频段料网络,使用了varactors和一种新的偏差方法.
- 将料网络与4x4天线阵列集成在一起,以展示光束转向能力.
主要成果:
- 与传统设计相比,实现了25%的组件和足迹减少.
- 证明了在Ka频段频率下用于光束方向的连续相位转移.
- 由此产生的高密度设计占据了25.6 × 25.6 × 0.95 mm3.3 的体积.
- 启用光束转向到±40°宽侧,提供1D和受限制的2D转向.
结论:
- 中间相位转移是小型化天线输送网络的有效技术.
- 展示的设计为毫米波应用提供了具有成本效益和紧的解决方案.
- 这项技术适用于无线传感器和需要光束转向的移动网络.
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