期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, 2021; 68 (2)
Factor graph optimization (FGO) recently has attracted attention as an alternative to the extended Kalman filter (EKF) for GNSS-INS integration. This ......
期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, 2021; 68 (2)
Filtering-based indoor positioning using ultra-wideband (UWB) requires known velocity to predict prior position in the prediction stage. Velocity can ......
期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, 2021; 68 (2)
China is developing its BeiDou Satellite-Based Augmentation System (BDSBAS) in accordance with international standards, and it has provided initial Si......
期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, ; ()
The GNSS performance is significantly degraded in urban canyons because of the signal interferences caused by buildings. Besides the multipath and non......
期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, 2021; 68 (1)
The full deployment of China's BeiDou navigation satellite system (BDS) was finalized in June 2020. To support safety-critical applications, the syste......
期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, 2021; 68 (1)
The advent of assisted GPS/GNSS can reduce the time to first fix (TTFF) dramatically and still provide sufficient positioning accuracy. However, many ......
期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, 2021; 68 (1)
This paper builds on the machine learning research to propose two new algorithms based on optimizing the Adaptive Neuro Fuzzy Inference System (ANFIS)......
期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, 2020; 67 (4)
Precise point positioning (PPP) service is of great significance for BDS. The design and implementation of the service are presented. The PPP-B2b sign......
期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, 2020; 67 (1)
The Virginia Tech Formation Flying Testbed (VTFFTB), a GNSS-based hardware-in-the-loop (HIL) simulation testbed for spacecraft formation flight, is de......
期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, 2020; 67 (2)
To analyze the unmodeled systematic errors in BDS, a filter-assisted Partly Ensemble Empirical Mode Decomposition (PEEMD) method is combined with Hilb......
期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, 2020; 67 (2)
Binary offset carrier (BOC) modulations are widely used in the modernized satellite navigation systems. But we find an interesting phenomenon that the......
期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, 2020; 67 (3)
In the BeiDou Navigation Satellite System (BDS) B1 band, a single-sideband complex binary offset carrier (SCBOC) modulation is employed to combine the......
期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, 2020; 67 (3)
The in-motion alignment for the underwater strapdown inertial navigation system is still a challenging problem due to various disturbances in the unde......
期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, 2020; 67 (3)
Clock synchronization is critical for synchronous pseudolite systems. Wireless synchronization methods are desirable for their flexibility in system d......
期刊： NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, 2020; 67 (3)
In this paper, we propose a machine-learning-based approach to automatically detect a satellite oscillator anomaly. A major challenge is to differenti......
