John W Betz
Engineering Satellite-Based Navigation and Timing
Global Navigation Satellite Systems, Signals, and Receivers
John W Betz
Engineering Satellite-Based Navigation and Timing
Global Navigation Satellite Systems, Signals, and Receivers
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This book describes the design and performance analysis of satnav systems, signals, and receivers, with a general approach that applies to all satnav systems and signals in use or under development. It also provides succinct descriptions and comparisons of each satnav system. * Clearly structured, and comprehensive depiction of engineering satellite-based navigation and timing systems, signals, and receivers * GPS as well as all new and modernized systems (SBAS, GLONASS, Galileo, BeiDou, QZSS, IRNSS) and signals being developed and fielded * Theoretical and applied review questions, which can…mehr
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This book describes the design and performance analysis of satnav systems, signals, and receivers, with a general approach that applies to all satnav systems and signals in use or under development. It also provides succinct descriptions and comparisons of each satnav system. * Clearly structured, and comprehensive depiction of engineering satellite-based navigation and timing systems, signals, and receivers * GPS as well as all new and modernized systems (SBAS, GLONASS, Galileo, BeiDou, QZSS, IRNSS) and signals being developed and fielded * Theoretical and applied review questions, which can be used for homework or to obtain deeper insights into the material * Extensive equations describing techniques and their performance, illustrated by MATLAB plots * New results, novel insights, and innovative descriptions for key approaches and results in systems engineering and receiver design If you are an instructor and adopted this book for your course, please email ieeeproposals@wiley.com to get access to the instructor files for this book.
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Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.
Produktdetails
- Produktdetails
- Verlag: John Wiley & Sons / Wiley
- Seitenzahl: 672
- Erscheinungstermin: 21. Dezember 2015
- Englisch
- Abmessung: 240mm x 161mm x 40mm
- Gewicht: 1161g
- ISBN-13: 9781118615973
- ISBN-10: 1118615972
- Artikelnr.: 40844124
- Verlag: John Wiley & Sons / Wiley
- Seitenzahl: 672
- Erscheinungstermin: 21. Dezember 2015
- Englisch
- Abmessung: 240mm x 161mm x 40mm
- Gewicht: 1161g
- ISBN-13: 9781118615973
- ISBN-10: 1118615972
- Artikelnr.: 40844124
John W. Betz, PhD, is a Fellow of The MITRE Corporation and an internationally recognized expert in satellite-based navigation and timing. He is an innovator whose technical contributions and personal involvement have shaped the design of modernized GPS as well as other satnav systems. He is a sought-after speaker and instructor with multiple award-winning publications, and is a Fellow of the IEEE and the Institute of Navigation. His extensive knowledge, combined with his ability to provide a clearly structured and comprehensive depiction of all aspects of satnav engineering, promise to make this book the standard text and reference for this field.
Preface xv Acknowledgments xvii Useful Constants xix List of Acronyms and
Abbreviations xxi About the Author xxvii 1 INTRODUCTION 1 1.1 Satnav
Revolution 2 1.2 Basic Principles of Satnav 5 1.3 Satnav Attributes 12 1.4
Book Structure and How to Use This Book 12 1.5 More to Explore 14 Reference
15 PART I SYSTEM AND SIGNAL ENGINEERING 17 2 SATELLITE ORBITS AND
CONSTELLATIONS 19 2.1 Kepler's Laws 20 2.2 Orbital Deviations from Ideal 25
2.3 Constellations 26 2.4 Useful Geometry Calculations 30 2.5 Summary 35
Review Questions 35 References 36 3 SATNAV SIGNALS 37 3.1 Signals, Signal
Processing, and Spreading Modulations 38 3.2 Effects of Doppler and of
Ionospheric Propagation 59 3.3 Satnav Signal Characteristics 65 3.4 Satnav
Signal Structure 86 3.5 Summary 92 Review Questions 92 References 99 4 LINK
BUDGETS 102 4.1 Free-Space Path Loss 103 4.2 Calculating Maximum and
Minimum Specified Received Power in Signal Specifications 107 4.3
Terrestrial Link Budgets 112 4.4 Building Penetration and Foliage Losses
116 4.5 Summary 119 Review Questions 119 References 120 5 CORRELATOR OUTPUT
SNR, EFFECTIVE C/N0, AND I/S 122 5.1 Channel Model and Ideal Receiver
Processing 122 5.2 Correlator Output SNR With No Interference 125 5.3
Correlator Output SNR With Interference: Spectral Separation Coefficients
and Processing Gain 127 5.4 Effective C/N0 129 5.5 Interference-to-Signal
Power Ratios and Effective C/N0 130 5.6 A Deeper Look at Spectral
Separation Coefficients 130 5.7 Multiple Access Interference and Aggregate
Gain of a Constellation 133 5.8 Summary 135 Review Questions 136 References
138 6 ERROR SOURCES AND ERROR CHARACTERIZATION 139 6.1 Sources of Error in
Satnav Positioning and Timing Calculation 140 6.2 Dilution of Precision and
Error Measures 146 6.3 Positioning Errors for Standalone and Differential
Satnav Receivers 150 6.4 Other Error Sources 152 6.5 Summary 153 Review
Questions 154 References 155 PART II SATNAV SYSTEM DESCRIPTIONS 157 7
NAVSTAR GLOBAL POSITIONING SYSTEM 163 7.1 GPS History and Plans 165 7.2 GPS
Description 167 7.3 GPS Signals 168 7.4 Summary 196 Review Questions 197
References 198 8 SATELLITE-BASED AUGMENTATION SYSTEMS 201 8.1 SBAS History
and Plans 202 8.2 SBAS Description 204 8.3 SBAS Signals 205 8.4 Summary 209
Review Questions 210 References 211 9 GLONASS 212 9.1 GLONASS History and
Plans 213 9.2 GLONASS Description 214 9.3 GLONASS Signals 215 9.4 Summary
222 Review Questions 224 References 224 10 GALILEO 226 10.1 Galileo History
and Plans 227 10.2 Galileo Description 228 10.3 Galileo Signals 230 10.4
Summary 248 Review Questions 249 References 250 11 BEIDOU SYSTEM 252 11.1
BDS History and Plans 253 11.2 BDS Description 254 11.3 BDS Signals 257
11.4 Summary 262 Review Questions 264 References 264 12 QUASI-ZENITH
SATELLITE SYSTEM 266 12.1 QZSS History and Plans 267 12.2 QZSS Description
268 12.3 QZSS Signals 270 12.4 Summary 280 References 281 13 INDIAN
REGIONAL SATELLITE SYSTEM 282 13.1 IRNSS History and Plans 283 13.2 IRNSS
Description 283 13.3 IRNSS Signals 284 13.4 Summary 289 References 289 PART
III RECEIVER PROCESSING 291 14 RECEIVER FRONT END 297 14.1 Front-End
Components 298 14.2 Front-End Noise Figure 321 14.3 Front-End Architectures
and Frequency Plans 323 14.4 Summary 328 Review Questions 329 References
331 15 ANALOG-TO-DIGITAL CONVERSION 333 15.1 Introduction to
Analog-to-Digital Conversion and Automatic Gain Control 334 15.2 Linear
Analog-to-Digital Conversion 338 15.3 Precorrelator Analog-to-Digital
Conversion--The Digitizing Correlator 340 15.4 Summary 362 Review Questions
362 References 363 16 ACQUISITION 364 16.1 Initial Conditions for
Acquisition 367 16.2 Initial Synchronization Basics 370 16.3 Initial
Synchronization Computation 383 16.4 Initial Synchronization Performance
392 16.5 Other Aspects of Acquisition 396 16.6 Summary 401 Review Questions
403 References 404 17 DISCRETE-UPDATE TRACKING LOOPS 406 17.1
Discrete-Update Tracking Loop Formulation 408 17.2 Discrete-Update Tracking
Loop Design 412 17.3 Tracking Loop Characterization 416 17.4 Summary 426
References 427 18 CARRIER TRACKING AND DATA DEMODULATION 428 18.1 Signal
Processing for Carrier Tracking 429 18.2 Frequency-Locked Loops 442 18.3
Costas Loops 447 18.4 Phase-Locked Loops 450 18.5 Data Message Demodulation
453 18.6 Summary 462 Review Questions 463 References 465 19 CODE TRACKING
467 19.1 Signal Processing for Code Tracking 468 19.2 Discriminators for
Code Tracking 474 19.3 Carrier-Aided Code Tracking 480 19.4 Code Tracking
Performance in White Noise 481 19.5 Code Tracking Performance in White
Noise and Interference 489 19.6 Ambiguous Code Tracking 492 19.7 Summary
498 Appendix 19.A RMS Bandwidth 499 Review Questions 502 References 502 20
POSITION, VELOCITY, AND TIME CALCULATION 504 20.1 Forming Measurements 505
20.2 Reducing Pseudorange Errors 508 20.3 Standard Point Positioning 515
20.4 Blending Solutions From Multiple Satnav Systems 520 20.5 Velocity
Calculation 522 20.6 Working with Disadvantaged Receivers 524 20.7 Precise
Point Positioning 527 20.8 Integrity Monitoring: Receiver Autonomous
Integrity Monitoring and Fault Detection and Exclusion 529 20.9 Summary 530
Review Questions 531 References 534 PART IV SPECIALIZED TOPICS 537 21
INTERFERENCE 539 21.1 Interference Characteristics 540 21.2 Effects of
Interference on Receiver Operation 541 21.3 Dealing with Interference 542
21.4 Summary 549 References 550 22 MULTIPATH 551 22.1 Multipath
Characteristics 552 22.2 Multipath Effects 556 22.3 Multipath Mitigation
560 22.4 Summary 567 References 568 23 AUGMENTATIONS USING DIFFERENTIAL
SATNAV 570 23.1 Overview of Differential Satnav 571 23.2 Code-Based
Differential Systems 574 23.3 Carrier-Based Differential Systems 576 23.4
Summary 586 References 586 24 ASSISTED SATNAV 588 24.1 Reducing IFU and ITU
590 24.2 Provision of Clock Corrections, Ephemeris, and Data Message Bits
591 24.3 Block Processing 592 24.4 Computing Pseudoranges and Position 592
24.5 Summary 593 Reference 594 25 INTEGRATED RECEIVER PROCESSING 595 25.1
Kalman Filter Overview 596 25.2 Loosely and Tightly Coupled
Sensor-Integrated Satnav Processing 599 25.3 Standalone Vector Tracking 603
25.4 Ultratightly Coupled Sensor-Integrated Satnav Processing 605 25.5
Summary 606 References 607 A THEORETICAL FOUNDATIONS 609 A.1 Some Useful
Functions and Their Properties 610 A.2 Fourier Transforms 611 A.3 Signal
Theory and Linear Systems Theory 611 A.4 Stochastic Processes 613 A.5 Some
Results for Keyed Waveforms 615 A.6 Bandwidth Measures 619 A.7 Matrices and
Matrix Algebra 621 A.8 Taylor Series and Linearization 623 A.9 Coordinate
System Overview 624 References 625 Index 627
Abbreviations xxi About the Author xxvii 1 INTRODUCTION 1 1.1 Satnav
Revolution 2 1.2 Basic Principles of Satnav 5 1.3 Satnav Attributes 12 1.4
Book Structure and How to Use This Book 12 1.5 More to Explore 14 Reference
15 PART I SYSTEM AND SIGNAL ENGINEERING 17 2 SATELLITE ORBITS AND
CONSTELLATIONS 19 2.1 Kepler's Laws 20 2.2 Orbital Deviations from Ideal 25
2.3 Constellations 26 2.4 Useful Geometry Calculations 30 2.5 Summary 35
Review Questions 35 References 36 3 SATNAV SIGNALS 37 3.1 Signals, Signal
Processing, and Spreading Modulations 38 3.2 Effects of Doppler and of
Ionospheric Propagation 59 3.3 Satnav Signal Characteristics 65 3.4 Satnav
Signal Structure 86 3.5 Summary 92 Review Questions 92 References 99 4 LINK
BUDGETS 102 4.1 Free-Space Path Loss 103 4.2 Calculating Maximum and
Minimum Specified Received Power in Signal Specifications 107 4.3
Terrestrial Link Budgets 112 4.4 Building Penetration and Foliage Losses
116 4.5 Summary 119 Review Questions 119 References 120 5 CORRELATOR OUTPUT
SNR, EFFECTIVE C/N0, AND I/S 122 5.1 Channel Model and Ideal Receiver
Processing 122 5.2 Correlator Output SNR With No Interference 125 5.3
Correlator Output SNR With Interference: Spectral Separation Coefficients
and Processing Gain 127 5.4 Effective C/N0 129 5.5 Interference-to-Signal
Power Ratios and Effective C/N0 130 5.6 A Deeper Look at Spectral
Separation Coefficients 130 5.7 Multiple Access Interference and Aggregate
Gain of a Constellation 133 5.8 Summary 135 Review Questions 136 References
138 6 ERROR SOURCES AND ERROR CHARACTERIZATION 139 6.1 Sources of Error in
Satnav Positioning and Timing Calculation 140 6.2 Dilution of Precision and
Error Measures 146 6.3 Positioning Errors for Standalone and Differential
Satnav Receivers 150 6.4 Other Error Sources 152 6.5 Summary 153 Review
Questions 154 References 155 PART II SATNAV SYSTEM DESCRIPTIONS 157 7
NAVSTAR GLOBAL POSITIONING SYSTEM 163 7.1 GPS History and Plans 165 7.2 GPS
Description 167 7.3 GPS Signals 168 7.4 Summary 196 Review Questions 197
References 198 8 SATELLITE-BASED AUGMENTATION SYSTEMS 201 8.1 SBAS History
and Plans 202 8.2 SBAS Description 204 8.3 SBAS Signals 205 8.4 Summary 209
Review Questions 210 References 211 9 GLONASS 212 9.1 GLONASS History and
Plans 213 9.2 GLONASS Description 214 9.3 GLONASS Signals 215 9.4 Summary
222 Review Questions 224 References 224 10 GALILEO 226 10.1 Galileo History
and Plans 227 10.2 Galileo Description 228 10.3 Galileo Signals 230 10.4
Summary 248 Review Questions 249 References 250 11 BEIDOU SYSTEM 252 11.1
BDS History and Plans 253 11.2 BDS Description 254 11.3 BDS Signals 257
11.4 Summary 262 Review Questions 264 References 264 12 QUASI-ZENITH
SATELLITE SYSTEM 266 12.1 QZSS History and Plans 267 12.2 QZSS Description
268 12.3 QZSS Signals 270 12.4 Summary 280 References 281 13 INDIAN
REGIONAL SATELLITE SYSTEM 282 13.1 IRNSS History and Plans 283 13.2 IRNSS
Description 283 13.3 IRNSS Signals 284 13.4 Summary 289 References 289 PART
III RECEIVER PROCESSING 291 14 RECEIVER FRONT END 297 14.1 Front-End
Components 298 14.2 Front-End Noise Figure 321 14.3 Front-End Architectures
and Frequency Plans 323 14.4 Summary 328 Review Questions 329 References
331 15 ANALOG-TO-DIGITAL CONVERSION 333 15.1 Introduction to
Analog-to-Digital Conversion and Automatic Gain Control 334 15.2 Linear
Analog-to-Digital Conversion 338 15.3 Precorrelator Analog-to-Digital
Conversion--The Digitizing Correlator 340 15.4 Summary 362 Review Questions
362 References 363 16 ACQUISITION 364 16.1 Initial Conditions for
Acquisition 367 16.2 Initial Synchronization Basics 370 16.3 Initial
Synchronization Computation 383 16.4 Initial Synchronization Performance
392 16.5 Other Aspects of Acquisition 396 16.6 Summary 401 Review Questions
403 References 404 17 DISCRETE-UPDATE TRACKING LOOPS 406 17.1
Discrete-Update Tracking Loop Formulation 408 17.2 Discrete-Update Tracking
Loop Design 412 17.3 Tracking Loop Characterization 416 17.4 Summary 426
References 427 18 CARRIER TRACKING AND DATA DEMODULATION 428 18.1 Signal
Processing for Carrier Tracking 429 18.2 Frequency-Locked Loops 442 18.3
Costas Loops 447 18.4 Phase-Locked Loops 450 18.5 Data Message Demodulation
453 18.6 Summary 462 Review Questions 463 References 465 19 CODE TRACKING
467 19.1 Signal Processing for Code Tracking 468 19.2 Discriminators for
Code Tracking 474 19.3 Carrier-Aided Code Tracking 480 19.4 Code Tracking
Performance in White Noise 481 19.5 Code Tracking Performance in White
Noise and Interference 489 19.6 Ambiguous Code Tracking 492 19.7 Summary
498 Appendix 19.A RMS Bandwidth 499 Review Questions 502 References 502 20
POSITION, VELOCITY, AND TIME CALCULATION 504 20.1 Forming Measurements 505
20.2 Reducing Pseudorange Errors 508 20.3 Standard Point Positioning 515
20.4 Blending Solutions From Multiple Satnav Systems 520 20.5 Velocity
Calculation 522 20.6 Working with Disadvantaged Receivers 524 20.7 Precise
Point Positioning 527 20.8 Integrity Monitoring: Receiver Autonomous
Integrity Monitoring and Fault Detection and Exclusion 529 20.9 Summary 530
Review Questions 531 References 534 PART IV SPECIALIZED TOPICS 537 21
INTERFERENCE 539 21.1 Interference Characteristics 540 21.2 Effects of
Interference on Receiver Operation 541 21.3 Dealing with Interference 542
21.4 Summary 549 References 550 22 MULTIPATH 551 22.1 Multipath
Characteristics 552 22.2 Multipath Effects 556 22.3 Multipath Mitigation
560 22.4 Summary 567 References 568 23 AUGMENTATIONS USING DIFFERENTIAL
SATNAV 570 23.1 Overview of Differential Satnav 571 23.2 Code-Based
Differential Systems 574 23.3 Carrier-Based Differential Systems 576 23.4
Summary 586 References 586 24 ASSISTED SATNAV 588 24.1 Reducing IFU and ITU
590 24.2 Provision of Clock Corrections, Ephemeris, and Data Message Bits
591 24.3 Block Processing 592 24.4 Computing Pseudoranges and Position 592
24.5 Summary 593 Reference 594 25 INTEGRATED RECEIVER PROCESSING 595 25.1
Kalman Filter Overview 596 25.2 Loosely and Tightly Coupled
Sensor-Integrated Satnav Processing 599 25.3 Standalone Vector Tracking 603
25.4 Ultratightly Coupled Sensor-Integrated Satnav Processing 605 25.5
Summary 606 References 607 A THEORETICAL FOUNDATIONS 609 A.1 Some Useful
Functions and Their Properties 610 A.2 Fourier Transforms 611 A.3 Signal
Theory and Linear Systems Theory 611 A.4 Stochastic Processes 613 A.5 Some
Results for Keyed Waveforms 615 A.6 Bandwidth Measures 619 A.7 Matrices and
Matrix Algebra 621 A.8 Taylor Series and Linearization 623 A.9 Coordinate
System Overview 624 References 625 Index 627
Preface xv Acknowledgments xvii Useful Constants xix List of Acronyms and
Abbreviations xxi About the Author xxvii 1 INTRODUCTION 1 1.1 Satnav
Revolution 2 1.2 Basic Principles of Satnav 5 1.3 Satnav Attributes 12 1.4
Book Structure and How to Use This Book 12 1.5 More to Explore 14 Reference
15 PART I SYSTEM AND SIGNAL ENGINEERING 17 2 SATELLITE ORBITS AND
CONSTELLATIONS 19 2.1 Kepler's Laws 20 2.2 Orbital Deviations from Ideal 25
2.3 Constellations 26 2.4 Useful Geometry Calculations 30 2.5 Summary 35
Review Questions 35 References 36 3 SATNAV SIGNALS 37 3.1 Signals, Signal
Processing, and Spreading Modulations 38 3.2 Effects of Doppler and of
Ionospheric Propagation 59 3.3 Satnav Signal Characteristics 65 3.4 Satnav
Signal Structure 86 3.5 Summary 92 Review Questions 92 References 99 4 LINK
BUDGETS 102 4.1 Free-Space Path Loss 103 4.2 Calculating Maximum and
Minimum Specified Received Power in Signal Specifications 107 4.3
Terrestrial Link Budgets 112 4.4 Building Penetration and Foliage Losses
116 4.5 Summary 119 Review Questions 119 References 120 5 CORRELATOR OUTPUT
SNR, EFFECTIVE C/N0, AND I/S 122 5.1 Channel Model and Ideal Receiver
Processing 122 5.2 Correlator Output SNR With No Interference 125 5.3
Correlator Output SNR With Interference: Spectral Separation Coefficients
and Processing Gain 127 5.4 Effective C/N0 129 5.5 Interference-to-Signal
Power Ratios and Effective C/N0 130 5.6 A Deeper Look at Spectral
Separation Coefficients 130 5.7 Multiple Access Interference and Aggregate
Gain of a Constellation 133 5.8 Summary 135 Review Questions 136 References
138 6 ERROR SOURCES AND ERROR CHARACTERIZATION 139 6.1 Sources of Error in
Satnav Positioning and Timing Calculation 140 6.2 Dilution of Precision and
Error Measures 146 6.3 Positioning Errors for Standalone and Differential
Satnav Receivers 150 6.4 Other Error Sources 152 6.5 Summary 153 Review
Questions 154 References 155 PART II SATNAV SYSTEM DESCRIPTIONS 157 7
NAVSTAR GLOBAL POSITIONING SYSTEM 163 7.1 GPS History and Plans 165 7.2 GPS
Description 167 7.3 GPS Signals 168 7.4 Summary 196 Review Questions 197
References 198 8 SATELLITE-BASED AUGMENTATION SYSTEMS 201 8.1 SBAS History
and Plans 202 8.2 SBAS Description 204 8.3 SBAS Signals 205 8.4 Summary 209
Review Questions 210 References 211 9 GLONASS 212 9.1 GLONASS History and
Plans 213 9.2 GLONASS Description 214 9.3 GLONASS Signals 215 9.4 Summary
222 Review Questions 224 References 224 10 GALILEO 226 10.1 Galileo History
and Plans 227 10.2 Galileo Description 228 10.3 Galileo Signals 230 10.4
Summary 248 Review Questions 249 References 250 11 BEIDOU SYSTEM 252 11.1
BDS History and Plans 253 11.2 BDS Description 254 11.3 BDS Signals 257
11.4 Summary 262 Review Questions 264 References 264 12 QUASI-ZENITH
SATELLITE SYSTEM 266 12.1 QZSS History and Plans 267 12.2 QZSS Description
268 12.3 QZSS Signals 270 12.4 Summary 280 References 281 13 INDIAN
REGIONAL SATELLITE SYSTEM 282 13.1 IRNSS History and Plans 283 13.2 IRNSS
Description 283 13.3 IRNSS Signals 284 13.4 Summary 289 References 289 PART
III RECEIVER PROCESSING 291 14 RECEIVER FRONT END 297 14.1 Front-End
Components 298 14.2 Front-End Noise Figure 321 14.3 Front-End Architectures
and Frequency Plans 323 14.4 Summary 328 Review Questions 329 References
331 15 ANALOG-TO-DIGITAL CONVERSION 333 15.1 Introduction to
Analog-to-Digital Conversion and Automatic Gain Control 334 15.2 Linear
Analog-to-Digital Conversion 338 15.3 Precorrelator Analog-to-Digital
Conversion--The Digitizing Correlator 340 15.4 Summary 362 Review Questions
362 References 363 16 ACQUISITION 364 16.1 Initial Conditions for
Acquisition 367 16.2 Initial Synchronization Basics 370 16.3 Initial
Synchronization Computation 383 16.4 Initial Synchronization Performance
392 16.5 Other Aspects of Acquisition 396 16.6 Summary 401 Review Questions
403 References 404 17 DISCRETE-UPDATE TRACKING LOOPS 406 17.1
Discrete-Update Tracking Loop Formulation 408 17.2 Discrete-Update Tracking
Loop Design 412 17.3 Tracking Loop Characterization 416 17.4 Summary 426
References 427 18 CARRIER TRACKING AND DATA DEMODULATION 428 18.1 Signal
Processing for Carrier Tracking 429 18.2 Frequency-Locked Loops 442 18.3
Costas Loops 447 18.4 Phase-Locked Loops 450 18.5 Data Message Demodulation
453 18.6 Summary 462 Review Questions 463 References 465 19 CODE TRACKING
467 19.1 Signal Processing for Code Tracking 468 19.2 Discriminators for
Code Tracking 474 19.3 Carrier-Aided Code Tracking 480 19.4 Code Tracking
Performance in White Noise 481 19.5 Code Tracking Performance in White
Noise and Interference 489 19.6 Ambiguous Code Tracking 492 19.7 Summary
498 Appendix 19.A RMS Bandwidth 499 Review Questions 502 References 502 20
POSITION, VELOCITY, AND TIME CALCULATION 504 20.1 Forming Measurements 505
20.2 Reducing Pseudorange Errors 508 20.3 Standard Point Positioning 515
20.4 Blending Solutions From Multiple Satnav Systems 520 20.5 Velocity
Calculation 522 20.6 Working with Disadvantaged Receivers 524 20.7 Precise
Point Positioning 527 20.8 Integrity Monitoring: Receiver Autonomous
Integrity Monitoring and Fault Detection and Exclusion 529 20.9 Summary 530
Review Questions 531 References 534 PART IV SPECIALIZED TOPICS 537 21
INTERFERENCE 539 21.1 Interference Characteristics 540 21.2 Effects of
Interference on Receiver Operation 541 21.3 Dealing with Interference 542
21.4 Summary 549 References 550 22 MULTIPATH 551 22.1 Multipath
Characteristics 552 22.2 Multipath Effects 556 22.3 Multipath Mitigation
560 22.4 Summary 567 References 568 23 AUGMENTATIONS USING DIFFERENTIAL
SATNAV 570 23.1 Overview of Differential Satnav 571 23.2 Code-Based
Differential Systems 574 23.3 Carrier-Based Differential Systems 576 23.4
Summary 586 References 586 24 ASSISTED SATNAV 588 24.1 Reducing IFU and ITU
590 24.2 Provision of Clock Corrections, Ephemeris, and Data Message Bits
591 24.3 Block Processing 592 24.4 Computing Pseudoranges and Position 592
24.5 Summary 593 Reference 594 25 INTEGRATED RECEIVER PROCESSING 595 25.1
Kalman Filter Overview 596 25.2 Loosely and Tightly Coupled
Sensor-Integrated Satnav Processing 599 25.3 Standalone Vector Tracking 603
25.4 Ultratightly Coupled Sensor-Integrated Satnav Processing 605 25.5
Summary 606 References 607 A THEORETICAL FOUNDATIONS 609 A.1 Some Useful
Functions and Their Properties 610 A.2 Fourier Transforms 611 A.3 Signal
Theory and Linear Systems Theory 611 A.4 Stochastic Processes 613 A.5 Some
Results for Keyed Waveforms 615 A.6 Bandwidth Measures 619 A.7 Matrices and
Matrix Algebra 621 A.8 Taylor Series and Linearization 623 A.9 Coordinate
System Overview 624 References 625 Index 627
Abbreviations xxi About the Author xxvii 1 INTRODUCTION 1 1.1 Satnav
Revolution 2 1.2 Basic Principles of Satnav 5 1.3 Satnav Attributes 12 1.4
Book Structure and How to Use This Book 12 1.5 More to Explore 14 Reference
15 PART I SYSTEM AND SIGNAL ENGINEERING 17 2 SATELLITE ORBITS AND
CONSTELLATIONS 19 2.1 Kepler's Laws 20 2.2 Orbital Deviations from Ideal 25
2.3 Constellations 26 2.4 Useful Geometry Calculations 30 2.5 Summary 35
Review Questions 35 References 36 3 SATNAV SIGNALS 37 3.1 Signals, Signal
Processing, and Spreading Modulations 38 3.2 Effects of Doppler and of
Ionospheric Propagation 59 3.3 Satnav Signal Characteristics 65 3.4 Satnav
Signal Structure 86 3.5 Summary 92 Review Questions 92 References 99 4 LINK
BUDGETS 102 4.1 Free-Space Path Loss 103 4.2 Calculating Maximum and
Minimum Specified Received Power in Signal Specifications 107 4.3
Terrestrial Link Budgets 112 4.4 Building Penetration and Foliage Losses
116 4.5 Summary 119 Review Questions 119 References 120 5 CORRELATOR OUTPUT
SNR, EFFECTIVE C/N0, AND I/S 122 5.1 Channel Model and Ideal Receiver
Processing 122 5.2 Correlator Output SNR With No Interference 125 5.3
Correlator Output SNR With Interference: Spectral Separation Coefficients
and Processing Gain 127 5.4 Effective C/N0 129 5.5 Interference-to-Signal
Power Ratios and Effective C/N0 130 5.6 A Deeper Look at Spectral
Separation Coefficients 130 5.7 Multiple Access Interference and Aggregate
Gain of a Constellation 133 5.8 Summary 135 Review Questions 136 References
138 6 ERROR SOURCES AND ERROR CHARACTERIZATION 139 6.1 Sources of Error in
Satnav Positioning and Timing Calculation 140 6.2 Dilution of Precision and
Error Measures 146 6.3 Positioning Errors for Standalone and Differential
Satnav Receivers 150 6.4 Other Error Sources 152 6.5 Summary 153 Review
Questions 154 References 155 PART II SATNAV SYSTEM DESCRIPTIONS 157 7
NAVSTAR GLOBAL POSITIONING SYSTEM 163 7.1 GPS History and Plans 165 7.2 GPS
Description 167 7.3 GPS Signals 168 7.4 Summary 196 Review Questions 197
References 198 8 SATELLITE-BASED AUGMENTATION SYSTEMS 201 8.1 SBAS History
and Plans 202 8.2 SBAS Description 204 8.3 SBAS Signals 205 8.4 Summary 209
Review Questions 210 References 211 9 GLONASS 212 9.1 GLONASS History and
Plans 213 9.2 GLONASS Description 214 9.3 GLONASS Signals 215 9.4 Summary
222 Review Questions 224 References 224 10 GALILEO 226 10.1 Galileo History
and Plans 227 10.2 Galileo Description 228 10.3 Galileo Signals 230 10.4
Summary 248 Review Questions 249 References 250 11 BEIDOU SYSTEM 252 11.1
BDS History and Plans 253 11.2 BDS Description 254 11.3 BDS Signals 257
11.4 Summary 262 Review Questions 264 References 264 12 QUASI-ZENITH
SATELLITE SYSTEM 266 12.1 QZSS History and Plans 267 12.2 QZSS Description
268 12.3 QZSS Signals 270 12.4 Summary 280 References 281 13 INDIAN
REGIONAL SATELLITE SYSTEM 282 13.1 IRNSS History and Plans 283 13.2 IRNSS
Description 283 13.3 IRNSS Signals 284 13.4 Summary 289 References 289 PART
III RECEIVER PROCESSING 291 14 RECEIVER FRONT END 297 14.1 Front-End
Components 298 14.2 Front-End Noise Figure 321 14.3 Front-End Architectures
and Frequency Plans 323 14.4 Summary 328 Review Questions 329 References
331 15 ANALOG-TO-DIGITAL CONVERSION 333 15.1 Introduction to
Analog-to-Digital Conversion and Automatic Gain Control 334 15.2 Linear
Analog-to-Digital Conversion 338 15.3 Precorrelator Analog-to-Digital
Conversion--The Digitizing Correlator 340 15.4 Summary 362 Review Questions
362 References 363 16 ACQUISITION 364 16.1 Initial Conditions for
Acquisition 367 16.2 Initial Synchronization Basics 370 16.3 Initial
Synchronization Computation 383 16.4 Initial Synchronization Performance
392 16.5 Other Aspects of Acquisition 396 16.6 Summary 401 Review Questions
403 References 404 17 DISCRETE-UPDATE TRACKING LOOPS 406 17.1
Discrete-Update Tracking Loop Formulation 408 17.2 Discrete-Update Tracking
Loop Design 412 17.3 Tracking Loop Characterization 416 17.4 Summary 426
References 427 18 CARRIER TRACKING AND DATA DEMODULATION 428 18.1 Signal
Processing for Carrier Tracking 429 18.2 Frequency-Locked Loops 442 18.3
Costas Loops 447 18.4 Phase-Locked Loops 450 18.5 Data Message Demodulation
453 18.6 Summary 462 Review Questions 463 References 465 19 CODE TRACKING
467 19.1 Signal Processing for Code Tracking 468 19.2 Discriminators for
Code Tracking 474 19.3 Carrier-Aided Code Tracking 480 19.4 Code Tracking
Performance in White Noise 481 19.5 Code Tracking Performance in White
Noise and Interference 489 19.6 Ambiguous Code Tracking 492 19.7 Summary
498 Appendix 19.A RMS Bandwidth 499 Review Questions 502 References 502 20
POSITION, VELOCITY, AND TIME CALCULATION 504 20.1 Forming Measurements 505
20.2 Reducing Pseudorange Errors 508 20.3 Standard Point Positioning 515
20.4 Blending Solutions From Multiple Satnav Systems 520 20.5 Velocity
Calculation 522 20.6 Working with Disadvantaged Receivers 524 20.7 Precise
Point Positioning 527 20.8 Integrity Monitoring: Receiver Autonomous
Integrity Monitoring and Fault Detection and Exclusion 529 20.9 Summary 530
Review Questions 531 References 534 PART IV SPECIALIZED TOPICS 537 21
INTERFERENCE 539 21.1 Interference Characteristics 540 21.2 Effects of
Interference on Receiver Operation 541 21.3 Dealing with Interference 542
21.4 Summary 549 References 550 22 MULTIPATH 551 22.1 Multipath
Characteristics 552 22.2 Multipath Effects 556 22.3 Multipath Mitigation
560 22.4 Summary 567 References 568 23 AUGMENTATIONS USING DIFFERENTIAL
SATNAV 570 23.1 Overview of Differential Satnav 571 23.2 Code-Based
Differential Systems 574 23.3 Carrier-Based Differential Systems 576 23.4
Summary 586 References 586 24 ASSISTED SATNAV 588 24.1 Reducing IFU and ITU
590 24.2 Provision of Clock Corrections, Ephemeris, and Data Message Bits
591 24.3 Block Processing 592 24.4 Computing Pseudoranges and Position 592
24.5 Summary 593 Reference 594 25 INTEGRATED RECEIVER PROCESSING 595 25.1
Kalman Filter Overview 596 25.2 Loosely and Tightly Coupled
Sensor-Integrated Satnav Processing 599 25.3 Standalone Vector Tracking 603
25.4 Ultratightly Coupled Sensor-Integrated Satnav Processing 605 25.5
Summary 606 References 607 A THEORETICAL FOUNDATIONS 609 A.1 Some Useful
Functions and Their Properties 610 A.2 Fourier Transforms 611 A.3 Signal
Theory and Linear Systems Theory 611 A.4 Stochastic Processes 613 A.5 Some
Results for Keyed Waveforms 615 A.6 Bandwidth Measures 619 A.7 Matrices and
Matrix Algebra 621 A.8 Taylor Series and Linearization 623 A.9 Coordinate
System Overview 624 References 625 Index 627