Advanced Technologies for Position and Navigation under GNSS Signal Challenging or Denied Environments

Currently, with the popularity of smart devices, assured Position Navigation and Time (PNT) is critical for these devices and some fundamental infrastructures, i.e., the power grid. The Global Navigation Satellite System (GNSS) is dominant in providing PNT information due to its coverage and high ac...

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Format:	E-Book
Sprache:	Englisch
Veröffentlicht:	Basel MDPI - Multidisciplinary Digital Publishing Institute 2023
Schlagworte:	3D LiDAR adaptive threshold autonomous driving branch and bound canopy cover CKF CNN-GRU combined positioning commercial forests computational geometry cooperation SLAM coupling methods DBA differential GNSS Earth Sciences, Geography, Environment, Planning eLoran event camera fault detection fault detection and exclusion feature tracking forest point cloud geographic object-based approach Geography global search algorithm GNSS GNSS outage GNSS/INS graph optimization framework high definition map IMU indoor positioning initialization INS/GNSS integrated navigation instance segmentation integrity assessment intensity/inertial integration ionosphere-free Kalman filter LIDAR LiDAR data LiDAR-inertial odometry LIDAR-inertial SLAM LiDAR-visual-inertial odometry localization low-cost low-cost GNSS receiver map assistance mapping maximum correntropy criterion mobile RTK multi robot system multi-GNSS multi-sensor fusion neural network nonlinear least squares particle filter path planning peak detectors pedestrian navigation point cloud registration pose estimation positioning accuracy precision forestry pseudorange positioning real-time kinematic Reference, Information and Interdisciplinary subjects Research and information: general rod-shaped and planar feature Simultaneous Localization and Mapping SLAM sliding-window step detection terrain conditions Terrestrial Laser Scanning (TLS) tightly-coupled integration tree characteristics TreeNet trust region reflective algorithm UAV UGV unconstrained state Unmanned Aerial Vehicle (UAV) urban positioning variable sliding window visibility graph visual point and line feature visual SLAM wide-lane
ISBN:	9783036576312, 3036576312, 9783036576305, 3036576304
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Currently, with the popularity of smart devices, assured Position Navigation and Time (PNT) is critical for these devices and some fundamental infrastructures, i.e., the power grid. The Global Navigation Satellite System (GNSS) is dominant in providing PNT information due to its coverage and high accuracy. However, its signals are weak, and it is vulnerable; multipath and None-Line-Of-Signals (NLOS) are the major errors that occur with regard to the GNSS in applications in urban areas. Advanced signal processing methods are expected to improve its resilience and assurance. In addition, the GNSS is fragile to interference and spoofing, which should be emphasized for unmanned systems and smart devices. This Special Issue aimed to provide a platform for researchers to publish innovative work on the advanced technologies for position and navigation under GNSS signal-challenging or -denied environments.
ISBN:	9783036576312 3036576312 9783036576305 3036576304
DOI:	10.3390/books978-3-0365-7631-2