China Satellite Navigation Conference (CSNC 2024) Proceedings . Volume II / / Changfeng Yang and Jun Xie, editors

• Pubblicazione: Singapore : , : Singapore, , [2024]; ©2024
• Edizione: First edition.
• Descrizione fisica: 1 online resource (630 pages)
• Disciplina: 621.380422
• Soggetto topico: Artificial satellites in navigation; Artificial satellites in telecommunication
• Persona (resp. second.): YangChangfeng; XieJun
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Intro -- Editorial Board -- Preface -- Contents -- GNSS and Their Augmentations -- A Study on SBAS-RTK Integrated Positioning Technologies -- 1 Introduction -- 2 RTK Service Risk Analysis -- 2.1 RTK Fault Factor -- 2.2 Performance Impact Analysis -- 3 SBAS-RTK Integrated Positioning -- 3.1 SBAS Positioning -- 3.2 Data Detection -- 3.3 Weighted RTK Positioning -- 3.4 Data Check -- 4 Test and Verification -- 5 Summary -- References -- Research on the TESLA Authentication Algorithm for BDSBAS -- 1 Introduction -- 2 Principles of SBAS Message Authentication -- 2.1 Authentication Principle -- 2.2 SBAS Authentication Structure -- 3 BDSBAS Message Authentication Design -- 3.1 Chinese Commercial Cryptography Standard Algorithm -- 3.2 Design of the TESLA Authentication Protocol Based on the Chinese Commercial Cryptography Algorithm -- 3.3 SBAS User -- 3.4 Message Design -- 3.5 BigMAC -- 3.6 LittleMAC -- 4 Simulation Experiment -- 4.1 Key Performance Indicators -- 4.2 Simulation Analysis -- 5 Conclusion -- References -- Single Satellite Positioning Method and Error Characteristic Analysis of LEO Navigation Satellites -- 1 Introduction -- 2 Single Satellite Pseudo-Range and Doppler Positioning Principle and Error Modeling -- 2.1 Measurement Model -- 2.2 LSM Positioning Algorithm Utilizing Pseudo-Range and Doppler -- 2.3 CRLB of Positioning Error -- 2.4 Error Ellipsoid of Positioning Error -- 3 Simulation and Verification -- 3.1 Simulation Conditions -- 3.2 Simulation Results -- 4 Conclusion -- References -- A High Dynamic Positioning Algorithm for Ka Band LEO Satellites in Beam Polling Mode -- 1 Introduction -- 2 Pseudo range And Doppler Positioning Equation -- 3 Low Orbit Ka Band Signal Positioning Mode -- 3.1 Polling Mode -- 3.2 Problems in Low Earth Orbit Ka Band Satellite Positioning -- 4 Integrated Navigation Positioning Algorithm. ; 4.1 Tightly Coupled Mode -- 4.2 Principle of Accumulated Error Estimation and Correction -- 5 The Design of Kalman Filter -- 5.1 State Variables -- 5.2 State Transition Matrix -- 5.3 Accumulated Variables -- 5.4 Observation Calculation -- 5.5 Measurement Matrix -- 5.6 Q Matrix and R Matrix -- 5.7 Setting of Initial Value of State Variables and Initial P Matrix -- 6 Simulation and Result Analysis -- 6.1 Simulation Parameter Setting -- 6.2 Simulation Result -- 7 Conclusion -- References -- Spoofing Monitoring Method Research of GNSS Based on LEO Doppler Measurement -- 1 Introduction -- 2 Spoofing Monitoring Algorithm Based on Doppler -- 2.1 Spoofing Interference Scenario -- 2.2 Default Detection Algorithm -- 2.3 Recognition Algorithm of Spoofing -- 3 Simulation and Result Analysis -- 3.1 Simulation Parameter and Index Setting -- 3.2 Simulation Result -- 3.3 Analysis of Simulation Results -- 4 Conclusion -- References -- Credibility Monitoring Research of BDS Based on LEO/INS -- 1 Introduction -- 2 Credibility Monitoring Algorithm -- 2.1 Kalman Filter Algorithm -- 2.2 Integrated Navigation System Design -- 2.3 Fault Detection Algorithm -- 2.4 Fault Recognition Algorithm -- 3 Simulation Result Analysis -- 3.1 Simulation Parameter and Index Setting -- 3.2 Simulation Result -- 4 Conclusion -- References -- ARAIM Integrity and Continuity Considering Fault Detection and Exclusion -- 1 Introduction -- 2 Integrity and Continuity Risk -- 2.1 Integrity and Continuity Risk Considering FD -- 2.2 The Need Analysis of Fault Exclusion for Dual-Constellation GPS/BDS -- 2.3 Integrity and Continuity Risk Considering FDE -- 3 Integrity and Continuity Risk Bounds for FDE -- 3.1 Integrity Risk Evaluation -- 3.2 Continuity Risk Allocation -- 4 Performance Evaluation -- 4.1 Simulation Conditions Setting -- 4.2 Parameter Determination -- 4.3 Availability Analysis. ; 5 Conclusion -- References -- A Coupled RTK/INS Positioning Method Based on Robust Estimation -- 1 Introduction -- 2 The Basic Theory of Robust RTK -- 2.1 Mathematical Model of RTK -- 3 Robust Kalman Filtering Algorithm -- 3.1 Mathematical Model of RTK/INS Coupled Navigation -- 3.2 Robust Kalman Filter Based on Innovation -- 4 Analysis of Experimental Results -- 4.1 Experimental Environment -- 4.2 Analysis of Experimental Results -- 4.3 Comparison of Classical Kalman and Robust Kalman Filter -- 5 Conclusion -- References -- Optimal Allocation Method of Integrity Risk Indicator for Multiple Risk Sources in PPP-RTK -- 1 Introduction -- 2 The Principle of Integrity Risk Index Optimal Allocation Method -- 3 Integrity Risk Index Optimization Allocation Steps -- 3.1 Failure Mode Settings -- 3.2 Construction of Protection Level -- 3.3 Allocation Model Construction -- 4 Simulation Experiment -- 4.1 Sensitivity Analysis of ISM Parameters -- 4.2 Global Simulation of Optimal Distribution of Integrity Risk Indicators -- 5 Summary -- References -- Reliability and Backup Strategy Analysis of Low-Earth Orbit Navigation Constellation -- 1 Introduction -- 2 Constellation Configuration and Reliability Requirements -- 2.1 Constellation Configuration Design -- 2.2 Constellation Launch Program -- 2.3 Constellation System Reliability Requirements -- 2.4 Single Satellite Reliability Design and Principle of Network Supplement -- 3 Satellite Reliability Model and Constellation Reliability Calculation Method -- 3.1 Satellite Reliability Model [3] -- 3.2 Reliability Calculation Method of Constellation System -- 4 Constellation Network Supplement and Reliability Analysis in Operation Phase -- 4.1 Analysis of Constellation Backup Criterion -- 4.2 Strategy of Network Supplement and Reliability Analysis -- 4.3 5-Year Lifetime Satellite -- 4.4 8-Year Lifetime Satellite. ; 4.5 Backup Mode Optimization -- 5 Summary -- References -- An Asynchronous Observation Positioning Algorithm Based on Factor Graph Optimization -- 1 Introduction -- 2 Model of Asynchronous Observation System -- 3 Basic Principle and Algorithm Flow the FGO Method -- 3.1 Fundamental Principle -- 3.2 Algorithm Flow -- 4 Simulation -- 4.1 Simulation Parameters -- 4.2 Simulation Result -- 5 Conclusion -- References -- Evaluation and Analysis of Uplink Signal Interference in GEO Satellite System -- 1 Introduction -- 2 Analysis of Uplink Interference in GEO Satellite System -- 2.1 Uplink Calculation Model -- 2.2 Performance Analysis of Transparent Transponder Under Interference Conditions -- 2.3 Downlink Calculation Model -- 3 Signal Interference Calculation Method Based on Spectral Separation Coefficient -- 3.1 Single-Signal Interference Calculation Method -- 3.2 Multi-signal Interference Calculation Method -- 4 Analysis of the Influence of Uplink Interference on the Carrier-to-Noise Ratio -- 4.1 Influence of Interference Signal Power -- 4.2 Influence of the Number of Interference Stations -- 4.3 The Effect of Interference Station Deployment Location -- 5 Conclusion -- References -- Impact of Temporally Correlated Error on ARAIM ISM During Ionospheric Storm Period -- 1 Introduction -- 2 Ionospheric Delay Error Under Stormy Conditions -- 3 The Conservative Representation of Gauss Markov Process -- 4 Measurement Error Caused by Ionospheric Storm -- 4.1 Ionosphere Error in Ionosphere-Free Combination Measurement Under Stormy Conditions -- 4.2 Ionospheric Error in Carrier Smoothed Code During Storm Period -- 5 Simulation -- 5.1 Measurement Error Caused by the Second-Order Ionospheric Term -- 5.2 Global simulation of ARAIM -- 6 Conclusions -- 7 Appendix -- References -- Scintillation Identification Based on Spectral Features -- 1 Introduction. ; 2 Scintillation Spectrum Features -- 3 Scintillation Detection with Different Spectrum Features -- 3.1 Scintillation Data Process and Labeling -- 3.2 Training and Test of ML Models -- 3.3 Identification Accuracy -- 3.4 Result of Scintillation Identifications -- 4 Deeper Analysis -- 5 Conclusion -- References -- Centimeter-Level Real-Time Orbit Determination and Accuracy Analysis of LEO Satellite with POD4LEO Software -- 1 Introduction -- 2 GNSS Real-Time Products -- 2.1 Recovery Method -- 2.2 Orbit Accuracy -- 2.3 Clock Error Accuracy -- 3 Mathematical Model -- 3.1 Observation Model -- 3.2 Dynamics Model -- 3.3 Estimation Method -- 4 Test and Results -- 4.1 Processing Strategy -- 4.2 Results -- 4.3 SISRE (Orbit) -- 5 Summary -- References -- Impact Analysis of BeiDou Satellite Integrity Events in 2022 -- 1 Introduction -- 2 Integrity Performance Assessment Methods and Description of Abnormal Event Phenomena -- 2.1 Integrity Performance Assessment Methods -- 2.2 Integrity Performance Assessment Methods -- 3 The Impact of Abnormal Event -- 3.1 Comparison of Accuracy Assessment Result and Impact Analysis of the Event in the First Quarter of 2022 and 2021 -- 3.2 Comparison of Continuity Assessment Result and Impact Analysis of the Event in the First Quarter of 2022 and 2021 -- 3.3 Comparison of Continuity Assessment Result and Impact Analysis of the Event in the First Quarter of 2022 and 2021 -- 4 RAIM Fault Detection and Exclusion -- 5 Conclusion -- References -- Analysis of Navigation Augmentation Performance Based on LEO Satellite Communication Constellation -- 1 Introduction -- 2 An Architecture of Navigation Augmentation System Based on LEO Communication Constellation -- 2.1 Overall System Architecture -- 2.2 Spatial-Temporal Reference -- 2.3 Constellation and Frequency. ; 3 Analysis of Navigation Augmentation Performance Based on LEO Communication Constellation.
• Sommario/riassunto: This book presents selected research papers from China Satellite Navigation Conference (CSNC) 2024, held in Jinan, China, on 22–24 May 2024. These papers discuss the technologies and applications of the Global Navigation Satellite System (GNSS) and in particular the latest advances in the China BeiDou System (BDS). They are divided into 8 topics to match the corresponding sessions at CSNC 2024, which broadly covered key topics in GNSS. Readers learn about the BDS and keep abreast of the latest advances in GNSS technologies and applications.
• Titolo autorizzato: China Satellite Navigation Conference (CSNC 2024) Proceedings
• ISBN: 981-9969-32-8
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910760288803321
• Lo trovi qui: Univ. Federico II
• Serie: Lecture notes in electrical engineering ; ; Volume 1093.