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Emerging Advances in Wireless Positioning and Location-Based Services

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Navigation and Positioning".

Deadline for manuscript submissions: 15 December 2024 | Viewed by 530

Special Issue Editors

Aerospace Information Technology Research Institute of Aeronautics and Astronautics, Tsinghua University, Shuangqing Rd, Haidian District, Beijing 100190, China
Interests: integrated satellite communication and navigation; massive signals of opportunity positioning
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China
Interests: GPS; GNSS precise positioning and orbit determination; GNSS data processing and multisensor fusion; GNSS seismology; GNSS meteorology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, there has been significant and swift progress in the development of intelligent artifacts such as robots, UAVs, and autonomous cars. These intelligent artifacts heavily depend on positioning, navigation, and timing (PNT) information. Although GNSS-based satellite positioning remains dominant, there are several emerging technologies that show great promise for enhancing accuracy and reliability, such as integrated satellite positioning in low-Earth-orbit satellite communication megaconstellations, signal-of-opportunity positioning, and cooperative positioning. This Special Issue focuses on highlighting the recent advancements in wireless positioning, multi-sensor fusion, location-based services, and other location sensors, aiming to provide improved precision and reliability for various applications.

Dr. Xi Chen
Prof. Dr. Xingxing Li
Guest Editors

Manuscript Submission Information

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Keywords

  • satellite positioning
  • LEO positioning, navigation, and timing
  • integrated positioning, navigation, and timing in satellite communication constellations
  • precise point positioning
  • GNSS
  • assured PNT with satellite positioning
  • location-based service
  • satellite signal-of-opportunity positioning
  • multi-sensor fusion with GNSS, Lidar, vision, and IMU
  • satellite positioning for robots, UAVs, and autonomous cars
  • GNSS augmentation
  • GNSS interference detection and localization

Published Papers (1 paper)

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Research

23 pages, 13894 KiB  
Article
Analysis of Post-Processed Pseudorange-Based Point Positioning with Different Data Sources for the Current Galileo Constellations
by Jiantao Zhang and Weiwei Li
Sensors 2024, 24(8), 2472; https://doi.org/10.3390/s24082472 - 12 Apr 2024
Viewed by 347
Abstract
The Galileo satellite navigation system now provides initial services. With further satellite launches, the performance of Galileo will gradually improve, and new services will be introduced. This study aims to provide a comprehensive analysis of Galileo Single Point Positioning (SPP) using different broadcast [...] Read more.
The Galileo satellite navigation system now provides initial services. With further satellite launches, the performance of Galileo will gradually improve, and new services will be introduced. This study aims to provide a comprehensive analysis of Galileo Single Point Positioning (SPP) using different broadcast ephemeris data sources. This study investigates the completeness of Galileo navigation message records from different institutions. The results show that IGS provides the best completeness across different data sources (ECR > 70%), while IGN exhibits the lowest completeness. Analyze the proportions of different data sources within the Galileo navigation message in the broadcast ephemeris files provided by IGS during the study period. The proportions of FNAV_258, INAV_513, INAV_516, and INAV_517 during the study period are 25.83%, 24.76%, 23.61%, and 25.80%, respectively, suggesting better data completeness for FNAV_258 and INAV_517 and poorer completeness for INAV_513 and INAV_516. Finally, this study explores SPP solutions for GPS and Galileo systems using different data sources. The results indicate that a higher ECR corresponds to better positioning performance. Although GPS exhibits smaller error fluctuations and smoother positioning results, Galileo’s SPP positioning accuracy surpasses that of GPS. The introduction of dual-frequency observations effectively reduces data dispersion and enhances vertical positioning accuracy. Full article
(This article belongs to the Special Issue Emerging Advances in Wireless Positioning and Location-Based Services)
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