Beidou receiver based on anti-jamming antenna arrays with self-calibration for precise relative positioning

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外文摘要：Unmanned aerial vehicles(UAVs)may be subjected to unintentional radio frequency interference(RFI)or hostile jam-ming attack which will lead to fail to track global navigation satellite system(GNSS)signals.Therefore,the simultaneous realization of anti-jamming and high-precision carrier phase dif-ference positioning becomes a dilemmatic problem.In this paper,a distortionless phase digital beamforming(DBF)algo-rithm with self-calibration antenna arrays is proposed,which enables to obtain distortionless carrier phase while suppressing jamming.Additionally,architecture of high precision Beidou receiver based on anti-jamming antenna arrays is proposed.Finally,the performance of the algorithm is evaluated,including antenna calibration accuracy,carrier phase distortionless accu-racy,and carrier phase measurement accuracy without jamming.Meanwhile,the maximal jamming to signal ratio(JSR)and real time kinematic(RTK)positioning accuracy under wideband jam-ming are also investigated.The experimental results based on the real-life Beidou signals show that the proposed method has an excellent performance for precise relative positioning under jamming when compared with other anti-jamming methods.

外文关键词：

Beidou receiverantenna arrayanti-jamminghigh precisiondistortionless carrier phase

作者：

AN Yi、KANG Ronglei、BAN Yalong、YANG Shaoshuai

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作者单位：

The 10th Research Institute,China Electronics Technology Group Corporation,Chengdu 610036,China

基金：

Key Research and Development Program of Science&Technology Department of Sichuan ProvinceTechnical Innovation Fund of Southwest China Institute of Electronic Technology

项目编号：

2021YFG0155H21004.2

出版年：

2024

DOI：

10.23919/JSEE.2024.000013

系统工程与电子技术(英文版)

中国航天科工防御技术研究院中国宇航学会中国系统工程学会中国系统仿真学会

系统工程与电子技术(英文版)

CSTPCD

影响因子：0.64

ISSN：1004-4132

年,卷(期)：2024.35(5)