Terminal position tracking in LEO satellite communication systems exploiting Doppler and multiantenna measurements

被引：0

作者：

Kumar, Bibhor ^{[1
]}

Prelcic, Nuria Gonzalez ^{[1
]}

Shimizu, Takayuki ^{[2
]}

Ganlath, Akila ^{[2
]}

机构：

[1] North Carolina State Univ, Dept Elect & Comp Engn, Raleigh, NC 27695 USA

[2] Toyota Motor North Amer Inc, R&D InfoTech Labs, Mountain View, CA USA

来源：

FIFTY-SEVENTH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS, IEEECONF | 2023年

关键词：

LEO satellite communications; Global Positioning System; position tracking; urban canyon;

D O I：

10.1109/IEEECONF59524.2023.10476863

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

A connected vehicular terminal supported by Low Earth Orbit (LEO) Satellite Communication (SatCom) can exploit the communication signal for navigation during Global Positioning System (GPS) outage. We propose an algorithmic framework for tracking position and velocity of the terminal exploiting Doppler and direction of arrival (DoA) measurements from the LEO SatCom signals, together with readings from the Inertial Measurement Unit (IMU) of the vehicle. The main idea is to use these measurements as the input to an Extended Kalman filter (EKF) designed to keep tracking the position of the terminal during a blockage event of the GPS signal. Simulation results show that the proposed algorithm reduces the localization error by more than 50 meters when compared to the results of IMU-only based tracking.

引用

页码：1668 / 1672

页数：5

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