Research on the Architecture of Phased Array Antenna of LEO Communication Satellites Based on Hybrid Beamforming

Rong HU; Xiumei LI; Juan DENG; Jun ZHOU; Shujing DONG; Ling LIU; Wenying MA

doi:10.11959/j.issn.2096-8930.2021025

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Research on the Architecture of Phased Array Antenna of LEO Communication Satellites Based on Hybrid Beamforming

Studies | 更新时间：2024-06-03

- Research on the Architecture of Phased Array Antenna of LEO Communication Satellites Based on Hybrid Beamforming
- Space-Integrated-Ground Information Networks Vol. 2, Issue 2, Pages: 90-97(2021)
- 作者机构：
  
  1. 成都铱通科技有限公司，四川成都 610095
  2. 中国电子科技集团有限公司第十研究所，四川成都 610036
  3. 成都信息工程大学通信工程学院（微电子学院），四川成都 610225
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-8930.2021025
  CLC： TN927
- Published Online：2021-06，
  
  Published：20 June 2021
- 稿件说明：
移动端阅览
Rong HU, Xiumei LI, Juan DENG, et al. Research on the Architecture of Phased Array Antenna of LEO Communication Satellites Based on Hybrid Beamforming[J]. Space-integrated-ground information networks, 2021, 2(2): 90-97.
DOI：

Rong HU, Xiumei LI, Juan DENG, et al. Research on the Architecture of Phased Array Antenna of LEO Communication Satellites Based on Hybrid Beamforming[J]. Space-integrated-ground information networks, 2021, 2(2): 90-97. DOI： 10.11959/j.issn.2096-8930.2021025.

摘要

针对低轨通信卫星系统低损耗、低时延和高指向精度等特点，基于对混合波束赋形技术原理与优势的分析，研究一种适用于低轨通信卫星系统的混合波束赋形架构——“模拟波束赋形网络+数字波束赋形网络”，采用多通道射频前端芯片、混频芯片及数字波束赋形专用芯片（ASIC），与瓦片式相控阵天线阵列高度集成，在满足可扩展/拼接阵面的基础上，实现性能、成本、复杂性和功耗等因素的综合优化，为未来我国实现天基物联和可重构相控阵天线系统提供参考。

Abstract

Due to the characteristics of low earth orbit (LEO) communication satellite system like low propagation loss

small propagation delay and high pointing accuracy

a hybrid architecture-“analog beamforming stage and digital beamforming (DBF) stage” was proposed

and the principle and advantages of hybrid beamforming were analyzed.Through three dimensional integrating of multi-channel RF frontend chips

mixers

dedicated DBF ASIC chips

and tiles phased array anntena arrays

the proposed hybrid beamforming could be expanded or spliced.This hybrid architecture achieved the optimization of performance

cost

complexity and power consumption

and provided a reference for China to build space based internet of things system and reconfi gurable phased array antenna system in the future.

关键词

Keywords

references

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