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Artech House USA
Understanding GPS, Second Edition

Understanding GPS, Second Edition

Copyright: 2005
Pages: 726
ISBN: 9781580538954

This thoroughly updated second edition of an Artech House bestseller brings together a team of leading experts who provide you with a current and comprehensive treatment of the Global Positioning System (GPS). The book covers all the latest advances in technology, applications, and systems. The second edition includes new chapters that explore the integration of GPS with vehicles and cellular telephones, new classes of satellite broadcast signals, the emerging GALILEO system, and new developments in the GPS marketplace. This single-source reference provides both a quick overview of GPS essentials and an in-depth treatment of advanced topics. The book guides you in developing new applications and shows you how to evaluate their performance. It explains all the differential GPS services available to let you decide which is best for particular applications. You learn how to build GPS receivers and integrate them into navigational and communications equipment. Moreover, this unique volume helps you determine how technology is affecting the marketplace and where best to invest your company's resources. Please visit to download the errata sheet for this title.
IntroductionCondensed GPS Program History. GPS Overview. GPS Modernization Program. GALILEO Satellite System. Russian GLONASS System. Chinese BeiDou System. Augmentations. Markets and Applications. Organization of the Book. ; Fundamentals of Satellite NavigationConcept of Ranging Using TOA Measurements. Reference Coordinate Systems. Fundamentals of Satellite Orbits. Position Determination Using PRN Codes. Obtaining User Velocity. Time and GPS. ; GPS Systems SegmentsOverview of the GPS System. Space Segment Description. Control Segment. User Segment. ; GPS Satellite Signal CharacteristicsOverview. Modulations for Satellite Navigation. Legacy GPS Signals. Navigation Message Formats. Modernized GPS Signals. Summary. ; Satellite Signal Acquisitions, Tracking, and Data Demodulation Overview. GPS Receiver Code and Carrier Tracking. Carrier Tracking Loops. Code Tracking Loops. Loop Filters. Measurement Errors and Tracking. Thresholds. Formation of Pseudorange, Delta Pseudorange, and Integrated Doppler. Signal Acquisition. Sequence of Initial Receiver Operations. Data Demodulation. Special Baseband Functions. Use of Digital Processing. Considerations for Indoor Applications. Codeless and Semicodeless Processing. ; Interference, Multipath, and Scintillation-Overview. Radio Frequency Interference. Multipath. Ionospheric Scintillation. ; Performance of Standalone GPSIntroduction. Measurement Errors. PVT Estimation Concepts. GPS Availability. GPS Integrity. Continuity. Measured Performance. ; Differential GPSIntroduction. Spatial and Time Correlation Characteristics of GPS Errors. Code-Based Techniques. Carrier-Based Techniques. Message Formats. Examples. ; Integration of GPS with other Sensors and Network AssistanceOverview. GPS/Inertial Integration. Sensor Integration in Land Vehicle Systems. Network Assistance. ; GALILEOProgram Objectives. Services and Performance. Frequency Plan and Signal Design. Interoperability between GPS and GALILEO. System Architecture. SAR Architecture. Development Plan. ; Other Satellite Navigation Systems-The Russian GLONASS System. Chinese BeiDou Satellite Navigation System. Japanese QZSS Program. ; GNSS Markets and ApplicationsGNSS: A Complex Market Based on Enabling Technologies. Civil Navigation Applications of GNSS. GNSS in Surveying, Mapping and Geographical Information Systems. Recreational Markets for GNSS-based Products. GNSS Time Transfer. Differential Applications and Services. GNSS and Telematics and LBS. Creative Uses for GNSS. Government and Military Applications. User Equipment Needs for Specific Markets. Financial Projections for the GNSS Industry. ; AppendixesLeast Squares and Weighted Least Squares Estimates. Stability Measures for Frequency Sources. Free-Space Propagation Loss. ; About the Authors. Index.;
  • Christopher Hegarty is a director at the MITRE Corporation, Bedford, MA. He received a D.Sc. in electrical engineering from The George Washington University. He currently serves as the Chair of RTCA, Inc.’s Program Management Committee and Vice Chair of the Satellite Division of the Institute of Navigation. He served as president of the Institute of Navigation in 2008 and is a Fellow of the ION and IEEE.
  • Elliott D. Kaplan is a principal engineer at the MITRE Corporation, Bedford, Massachusetts. He earned his M.S. in electrical engineering from Northeastern University. He is the Chair of the Military Division of the Institute of Navigation.
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