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Characterization of Tiled Architecture for C-Band 1-Bit Beam-Steering Transmitarray

机译:C波段1位光束转向传递阵列铺贴架构的特征

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摘要

A new implementation of a beam-steering transmitarray is proposed based on the tiled array architecture. Each pixel of the transmitarray is manufactured as a standalone unit which can be hard-wired for specific transmission characteristics. A set of complementary units, providing reciprocal phase-shifts, can be assembled in a prescribed spatial phase-modulation pattern to perform beam steering and beam forming in a broad spatial range. A compact circuit model of the tiled unit cell is proposed and characterized with full-wave electromagnetic simulations. Waveguide measurements of a prototype unit cell have been carried out. A design example of a tiled 10 × 10-element 1-bit beam-steering transmitarray is presented and its performance benchmarked against the conventional single-panel, i.e., unibody, counterpart. Prototypes of the tiled and single-panel C-band transmitarrays have been fabricated and tested, demonstrating their close performance, good agreement with simulations and a weak effect of fabrication tolerances. The proposed transmitarray antenna configuration has great potential for fifth-generation (5G) communication systems.
机译:基于平铺阵列架构提出了光束转向传输阵列的新实现。传输阵列的每个像素作为独立单元制造,其可以用于特定传输特性的硬链。提供往复相移单元的一组互补单元可以以规定的空间相位调制图案组装,以在宽空间范围内执行波束转向和梁形成。提出了一个瓷砖单元电池的紧凑电路模型,并具有全波电磁模拟。已经进行了原型单元电池的波导测量。提出了平铺10×10元件1位波束转向传输传输传输传输的设计示例及其对传统单面板的性能,即Unibody,对应。瓷砖和单面板C波段传输阵列的原型已经制造和测试,展示了它们的密切性能,与模拟的良好一致性以及制造公差的弱效果。所提出的传输阵列天线配置具有很大的第五代(5G)通信系统的潜力。

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