5GNSS: Fusion of 5G-NR and GNSS Localization for Enhanced Positioning Accuracy and Reliability
IEEE Transactions on Vehicular Technology(2024)
摘要
With the proliferation of connected devices and the increasing demand for more precise and reliable positioning information, the
fusion
of 5 G and GNSS localization systems holds immense potential to overcome the current limitations of standalone approaches. In order to tackle this challenge, in this paper we explore the potential of the fusion of 5G-NR and satellite localization systems to jointly enhance their accuracy and reliability. The designed solution, termed
5GNSS
, is explained in detail, describing its five main building blocks and corresponding mathematical foundations. An extensive performance evaluation has been conducted, considering urban, suburban, and rural vehicular scenarios, as well as a varying number of visible satellites and 5 G base stations. Our results show that 5GNSS can outperform standalone GNSS, 4G-LTE and 5G-NR positioning systems consistently across all these scenarios with an average error reduction in the
$\sim$
60-40% range. Based on these results, we conclude that future positioning systems would strongly benefit from incorporating 5GNSS-like fusion solutions.
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关键词
5G-NR,GNSS,GNSS/5 G integrated positioning,PRS,autonomous driving
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