Performance analysis of hybrid 5G-GNSS localization
Destino, Giuseppe; Saloranta, Jani; Seco-Granados, Gonzalo; Wymeersch, Henk (2019-02-21)
G. Destino, J. Saloranta, G. Seco-Granados and H. Wymeersch, "Performance Analysis of Hybrid 5G-GNSS Localization," 2018 52nd Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, 2018, pp. 8-12. doi: 10.1109/ACSSC.2018.8645207
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https://urn.fi/URN:NBN:fi-fe2019081624417
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Abstract
We consider a novel positioning solution combining millimeter wave (mmW) 5G and Global Navigation Satellite System (GNSS) technologies. The study is carried out theoretically by deriving the Fisher Information Matrix (FIM) of a combined 5G-GNSS positioning system and, subsequently, the position, rotation and clock-bias error lower bounds. We pursue a two-step approach, namely, computing first the FIM for the channel parameters, and then transforming it into the FIM of the position, rotation and clock-bias. The analysis shows advantages of the hybrid positioning in terms of i) localization accuracy, ii) coverage, iii) precise rotation estimation and iv) clock-error estimation. In other words, we demonstrate that a tight coupling of the two technologies can provide mutual benefits.
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