Journal ArticleDOI
GPS Signal Structure and Performance Characteristics
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Gps performance objectives, orbit geometry, and propagation effects are summarized in order to gain better understanding of the signal and what characteristics it must provide.Abstract:
Details of the gps signal structure are discussed as relates to the signal generation and the performance of the navigation system. GPS performance objectives, orbit geometry, and propagation effects are summarized in order to gain better understanding of the signal and what characteristics it must provide. With these performance objectives as a preface, the details of the signal are described, showing the details of the dual frequency transmission and both the precision P and clear/acquisition C/A codes and their characteristics. Finally, the basic performance of simplified receivers operating on this received signal is discussed. It is shown that an rms position error of less than 10 meters is well within the achievable performance bounds of the system.read more
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Book
Global Positioning System: Signals, Measurements, and Performance
TL;DR: This advanced tutorial will describe the GPS signals, the various measurements made by the GPS receivers, and estimate the achievable accuracies, and focus on topics which are more unique to radio navigation or GPS.
Journal ArticleDOI
GPS Meteorology: Remote Sensing of Atmospheric Water Vapor Using the Global Positioning System
Michael Bevis,Steven Businger,Thomas A. Herring,Christian Rocken,Richard A. Anthes,Randolph H. Ware +5 more
TL;DR: In this paper, the authors presented a new approach to remote sensing of water vapor based on the global positioning system (GPS) for estimating the extent to which signals propagating from GPS satellites to ground-based GPS receivers are delayed by atmospheric water vapor.
Journal ArticleDOI
Observing Earth's atmosphere with radio occultation measurements using the Global Positioning System
TL;DR: In this article, the authors present the first systematic, extensive error analysis of the spacecraft radio occultation technique using a combination of analytical and simulation methods to establish a baseline accuracy for retrieved profiles of refractivity, geopotential, and temperature.
Patent
Location reporting satellite paging system with optional blocking of location reporting
TL;DR: A location reporting paging communication system comprising space satellites, ground stations and a remote receiving unit adapted to resolve a global position from signals transmitted from a communication transmitter is described in this paper.
BookDOI
Fundamentals of global positioning system receivers : a software approach
TL;DR: This book discusses the history and present situation of the GPS system, as well as some of the technologies and subjects related to receiver hardware and software used in the system.
References
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Journal ArticleDOI
An orbiting clock experiment to determine the gravitational red shift
TL;DR: Orbiting clock experiment for measuring gravitational red shift of earth by comparing ground based and satellite-borne hydrogen maser clocks as mentioned in this paper was performed by using ground-based and satelliteborne hydrogen Maser clocks.