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An Open-Source Gazebo Plugin for GNSS Multipath Signal Emulation in Virtual Urban Canyons

2022-12-08 00:44:49
Kartik Anand Pant, Zhanpeng Yang, James M Goppert, Inseok Hwang
arXiv_RO
     
Abstract

One of the major errors affecting GNSS signals in urban canyons is GNSS multipath error. In this work, we develop a Gazebo plugin which utilizes a ray tracing technique to account for multipath effects in a virtual urban canyon environment using virtual satellites. This software plugin balances accuracy and computational complexity to run the simulation in real-time for both software-in-the-loop (SITL) and hardware-in-the-loop (HITL) testing. We also construct a 3D virtual environment of Hong Kong and compare the results from our plugin with the GNSS data in the publicly available Urban-Nav dataset, to validate the efficacy of the proposed Gazebo Plugin. The plugin is openly available to all the researchers in the robotics community. this https URL

Abstract (translated)

URL

https://arxiv.org/abs/2212.04018

PDF

https://arxiv.org/pdf/2212.04018.pdf

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