[2410.18323] Experimental Validation of a 3GPP Compliant 5G-Based Positioning System
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Electrical Engineering and Systems Science > Systems and Control

arXiv:2410.18323 (eess)
[Submitted on 23 Oct 2024]

Title:Experimental Validation of a 3GPP Compliant 5G-Based Positioning System

Authors:Sarik Dhungel, Gaurav Duggal, Dara Ron, Nishith Tripathi, R. Michael Buehrer, Jeffrey H. Reed, Vijay K Shah
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Abstract:The advent of 5G positioning techniques by 3GPP has unlocked possibilities for applications in public safety, vehicular systems, and location-based services. However, these applications demand accurate and reliable positioning performance, which has led to the proposal of newer positioning techniques. To further advance the research on these techniques, in this paper, we develop a 3GPP-compliant 5G positioning testbed, incorporating gNodeBs (gNBs) and User Equipment (UE). The testbed uses New Radio (NR) Positioning Reference Signals (PRS) transmitted by the gNB to generate Time of Arrival (TOA) estimates at the UE. We mathematically model the inter-gNB and UE-gNB time offsets affecting the TOA estimates and examine their impact on positioning performance. Additionally, we propose a calibration method for estimating these time offsets. Furthermore, we investigate the environmental impact on the TOA estimates. Our findings are based on our mathematical model and supported by experimental results.
Comments: 8 pages, 9 figures, Accepted in ACM Wintech 2024
Subjects: Systems and Control (eess.SY)
Cite as: arXiv:2410.18323 [eess.SY]
  (or arXiv:2410.18323v1 [eess.SY] for this version)
  https://doi.org/10.48550/arXiv.2410.18323
Related DOI: https://doi.org/10.1145/3636534.3697324

Submission history

From: Sarik Dhungel [view email]
[v1] Wed, 23 Oct 2024 23:16:28 UTC (2,253 KB)
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