Position, Navigation, and Timing Technologies in the 21st Century. Группа авторов

61.1 Introduction and Overview 61.2 Navigation for Aviation: Past and Present 61.3 Aviation Navigation for the 21st Century 61.4 Satellite Navigation 61.5 Terrestrial Radio Navigation Sources 61.6 Surveillance‐Based Navigation 61.7 Signals of Opportunity 61.8 Naturally Occurring Aviation Signal 61.9 Vision 61.10 Conclusions References 62 Orbit Determination with GNSS 62.1 Introduction 62.2 Formulation of the Orbit Determination Problem 62.3 The First Step in Solving the POD Problem: Linearization 62.4 Types of Orbit Determination Approaches: Kinematic, Dynamics, and “In Between,” Also Known as Reduced Dynamics 62.5 The Critical Role of the Reference GNSS Orbit and Clock States 62.6 POD Solution Validation 62.7 LEOs, MEOs, and HEOs 62.8 Formation Flying and Relative Positioning 62.9 Elements of the Art 62.10 Timing 62.11 Orbit Determination for Earth Science 62.12 Synergy with Other Data Types 62.13 Onboard Orbit Determination 62.14 Case Study: Jason‐3 Mission 63.3.4 Acknowledgments References 63 Satellite Formation Flying and Rendezvous 63.1 Introduction to Relative Navigation 63.2 Relative Orbit Determination 63.3 Mission Results 63.4 Conclusions References 64 Navigation in the Arctic 64.1 Introduction 64.2 Ice Navigation 64.3 21st Century Ice Navigation 64.4 GNSS Integrity in the Arctic 64.5 Conclusions References

      10  Glossary, Definitions, and Notation Conventions Glossary

      11  Index

      12  End User License Agreement

      List of Tables

      1 Chapter 35Table 35.1 Sensors covered in Volume 2

      2 Chapter 36Table 36.1 Simulation parametersTable 36.2 Summary of filter classes

      3 Chapter 38Table 38.1 GPS versus cellular CDMA and LTE comparisonTable 38.2 Typicalh₀ and h₋₂ values for different OCXOs [36]Table 38.3 FIR of the pulse shaping filter used in cdma2000 [50]Table 38.4 LTE system bandwidths and number of subcarriersTable 38.5 Test dates, locations, and carrier frequenciesTable 38.6 DOP values forM GPS SVs + N cellular towersTable 38.7 UAV’s RMSEs and final errors after 50 s of GPS cutoff

      4 Chapter 39Table 39.1 Comparison between GPS L1 C/A code and MBS 2 MHz signalTable 39.2 Telecom networks phase/frequency sync requirements

      5 Chapter 40Table 40.1 Geometry from a receiver at (0, 0, 0) to DTV transmitters

      6 Chapter 41Table 41.1 Phase code for master and secondary (“+” indicates 0 radians phase...Table 41.2 Electrical characteristics of well‐known Loran antennasTable 41.3 Loran‐C Performance Requirements [89]Table 41.4 eLoran aviation and maritime performance requirements

      7 Chapter 42Table 42.1 Parameters for different INS Grades. All INS Grades use a time con...

      8 Chapter 43aTable 43.1 Constellation comparison [4]Table 43.2 Comparison of LEO and MEO systems for navigationTable 43.3 Results of the Iridium‐based STL indoor testing in comparison to G...Table 43.4 Comparison of GPS and OneWeb user position accuracy from a global ...Table 43.5 Comparison of GPS atomic clocks and chip‐scale atomic clock perfor...Table 43.6 Comparison of SIS URE weight factors for the statistical contribut...Table 43.7 Comparison of root‐mean‐square orbit radial (R), along‐track (A), ...Table 43.8 Comparison of orbit determination methods

      9 Chapter 43bTable 43.9 Existing and future LEO constellations: number of satellite and tr...Table 43.10 Starlink orbital configurationTable 43.11 RMSEs (in meters) from 100 Monte Carlo runs for varying number of...Table 43.12 Simulation results with Globalstar, Orbcomm, and Iridium LEO sate...Table 43.13 Simulation results with Starlink LEO satellites for a UAV navigat...Table