卫星地面终端的K / ka波段共享孔径集成相控阵

IF 5.8 1区计算机科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Antennas and Propagation Pub Date : 2025-04-25 DOI:10.1109/TAP.2025.3562755

Ke Li;Dixian Zhao;Zhihui Chen;Shan Jiang;Xinhui Wang;Xiaohu You

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引用次数: 0

摘要

本文提出了一种用于K / ka波段卫星通信的256元共享孔径集成相控阵。它支持两个正交圆偏振（CPs）在两个波段。发射（TX）和接收（RX）天线元件交织在一个平面孔径中，实现了紧凑的配置，同时避免了光栅瓣的叛乱。在天线元件设计中引入了滤波天线技术，使TX和RX元件之间的隔离度超过35db。该阵列基于单独的TX和RX波束形成（BF） ic集，以实现独立的BF能力。采用多层印刷电路板（PCB）技术制造的共享孔径集成相控阵可以扫描高达±60°的TX和RX波束。等效各向同性辐射功率（EIRP）达到61.5 dBm，最大G/T为−0.55 dB/K。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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K-/Ka-Band Shared-Aperture Integrated Phased Array for Satellite Ground Terminals

This article presents a 256-element shared-aperture integrated phased array for K-/Ka-band satellite communication (SATCOM). It supports two orthogonal circular polarizations (CPs) in both bands. The transmitting (TX) and receiving (RX) antenna elements are interleaved in a single planar aperture, achieving a compact configuration while avoiding the insurgence of grating lobes. The filtering-antenna technology is introduced in antenna element design, leading to more than 35-dB isolation between the TX and RX elements. The array is based on separate sets of TX and RX beamforming (BF) ICs to realize independent BF capabilities. Fabricated in the multilayer print circuit board (PCB) technology, the shared-aperture integrated phased array can scan up to ±60° of both TX and RX beams. The equivalent isotropic radiated power (EIRP) achieves 61.5 dBm, and the maximum G/T is −0.55 dB/K.

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来源期刊

IEEE Transactions on Antennas and Propagation 工程技术-电信学

CiteScore

10.40

自引率

28.10%

发文量

968

审稿时长

4.7 months

期刊介绍： IEEE Transactions on Antennas and Propagation includes theoretical and experimental advances in antennas, including design and development, and in the propagation of electromagnetic waves, including scattering, diffraction, and interaction with continuous media; and applications pertaining to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques