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Offering a detailed look at all the technical aspects and underpinnings of A-GPS, this unique book places emphasis on practical implementation. The book reviews standard GPS design, helping you understand why GPS requires assistance in the first place. You discover how A-GPS enables the computing of a position from navigation satellites in the absence of precise time - a topic not covered in any other book. Moreover, you learn how to design and analyze a high sensitivity GPS receiver and determine the achievable sensitivity. The book provides detailed worksheets that show how to compute, analyze, and improve the processing gain from the input signal at the antenna to the signal after the correlators. These worksheets are used in the book to generate families of curves that completely characterize receiver sensitivity, parameterized in terms of front end noise figure, coherent and noncoherent integration times. From this work a law of achievable sensitivity is derived and explained in the book.... reflections were seldom visible, since GPS receivers had such poor dynamic range that they would simply not work in the areas we are talking about. ... Thus, a total GNSS constellation of more than 100 satellites is not just possible, but expected. ... While the electronics are fabricated using traditional integrated circuit (IC) processes (for example, CMOS processes), the micromechanical componentsanbsp;...

Author:Frank Stephen Tromp Van Diggelen
Publisher:Artech House - 2009-01-01


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