ArticleSensors (Basel, Switzerland)2021
Effect Analysis of GNSS/INS Processing Strategy for Sufficient Utilization of Urban Environment Observations.
Article in Sensors (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 22 citations in OpenAlex.
- A Dual-Adaptive Sage-Husa Kalman Filter with Model Matching Check for GNSS/INS-Integrated Navigation.Sensors (Basel, Switzerland) · 2026Article
- Robust Post-Processing for Marine GNSS/INS Integration: An Adaptive RTS Smoothing Approach via Huber M-Estimation.Sensors (Basel, Switzerland) · 2026Article
- Three-Dimensional Data Acquisition Methods and Their Use in River Levee Topographic Survey.Sensors (Basel, Switzerland) · 2026Article
- Accuracy Analysis of SINS/CNS Integrated Attitude Determination Based on Simplified Spatio-Temporal Model.Sensors (Basel, Switzerland) · 2025Article
- An Enhanced, Real-Time, Low-Cost GNSS/INS Integrated Navigation Algorithm and Its Platform Design.Sensors (Basel, Switzerland) · 2025Article
- Multi-Antenna GNSS-Accelerometer Fusion Attitude Correction Algorithm for Offshore Floating Platform Displacement Monitoring.Sensors (Basel, Switzerland) · 2024Article
- Review of Integrated Chassis Control Techniques for Automated Ground Vehicles.Sensors (Basel, Switzerland) · 2024Review
- Numerical Analysis of GNSS Signal Outage Effect on EOPs Solutions Using Tightly Coupled GNSS/IMU Integration: A Simulated Case Study in Sweden.Sensors (Basel, Switzerland) · 2023Article
- Sensor Fusion of GNSS and IMU Data for Robust Localization via Smoothed Error State Kalman Filter.Sensors (Basel, Switzerland) · 2023Article
- A Review of Mobile Mapping Systems: From Sensors to Applications.Sensors (Basel, Switzerland) · 2022Review
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The occlusion of buildings in urban environments leads to the intermittent reception of satellite signals, which limits the utilization of observations. This subsequently results in a decline of the positioning and attitude accuracy of Global Navigation Satellite System (GNSS)/Inertial Navigation System (INS) integrated system (GNSS/INS). This study implements a smooth post-processing strategy based on a tightly coupled differential GNSS/INS. Specifically, this strategy used the INS-estimated position to reinitialize integer ambiguity. The GNSS raw observations were input into the Kalman filter to update the measurement. The Rauch-Tung-Striebel smoothing (RTSS) algorithm was used to process the observations of the entire period. This study analyzed the performance of loosely coupled and tightly coupled systems in an urban environment and the improvement of the RTSS algorithm on the navigation solution from the perspective of fully mining the observations. The experimental results of the simulation data and real data show that, compared with the traditional tightly coupled processing strategy which does not use INS-aided integer ambiguity resolution and RTSS algorithm, the strategy in this study sufficiently utilized INS observations and GNSS observations to effectively improve the accuracy of positioning and attitude and ensure the continuity of navigation results in an obstructed environment.
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