Performance Analysis of Antenna Array-Aided RTK Positioning

被引：0

作者：

Liu, Xing ^{[1
]}

Ballal, Tarig ^{[1
]}

Al-Naffouri, Tareq Y. ^{[1
]}

机构：

[1] King Abdullah Univ Sci & Technol KAUST, Thuwal 23955, Saudi Arabia

来源：

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2025年 / 61卷 / 02期

关键词：

Antenna arrays; Global navigation satellite system; Geometry; Antennas; Vectors; Satellites; Base stations; Antenna array; Cram & eacute; r-Rao bound (CRB); Global Navigation Satellite System (GNSS); real-time kinematic (RTK) positioning; FAULT-DETECTION; AMBIGUITY RESOLUTION; NAVIGATION; EXCLUSION; SYSTEM;

D O I：

暂无

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Array-aided real-time kinematic (RTK) positioning leverages Global Navigation Satellite System measurements acquired from an antenna array with known geometry to improve positioning. This study investigates the impact of the antenna array by utilizing its known geometry to varying degrees. Initially, we establish the positioning error bounds for array-aided RTK by deriving the Cram & eacute;r-Rao bound (CRB) and the constrained CRB. We then formulate the corresponding optimization problems and introduce estimation algorithms to validate these performance bounds and assess the effectiveness of array-assisted positioning across various scenarios. Our empirical findings underscore the significance of antenna arrays in enhancing RTK positioning and provide insights into strategies for utilizing and configuring the array's geometry.

引用

页码：5325 / 5336

页数：12

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