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Other titles in the GNSS Technology and Applications series:
Server-Side GPS and Assisted-GPS in Javaby Neil Harper
Synopses & Reviews
Book News Annotation:
Australian engineer Harper explores assisted global navigation satellite system (A-GNSS) with a particular focus on assisted global positioning systems (A-GPS), mainly concentrating on design and implementation from the server's perspective, particularly on how the handsets work and ways of improving their operation. He describes messaging protocols, assistance data preparation and generation, and the position calculation. He also considers aspects of positioning unique to server-side position calculation such as hybrid location and GPS time recovery. The implementation of key aspects of the algorithms occupies most of the book, and the relevant software on the accompanying disk in the programming language Java. Though engineers designing systems might well find interesting and useful information here, he is mainly concerned with helping buyers make informed choices and helping students understand the fundamentals. Annotation ©2010 Book News, Inc., Portland, OR (booknews.com)
Assisted GPS (A-GPS) is a technology that greatly enhances GPS performance and capabilities. This innovative book offers a detailed explanation of the way that an A-GPS server operates from a practical point of view. Engineers learn how A-GPS improves critical aspects of GPS, such as time-to-first-fix (TTFF) and yield. The book focuses on handset-assisted A-GPS, where the server can make use of additional information and perform more effective hybrid calculations. Professionals gain insight into factors affecting accuracy and how these errors can be minimized using A-GPS. Moreover, this unique resource includes example code in Java for all key functions, along with sequence diagrams in UML that help ensure a solid understanding of the material. CD-ROM Included! Contains valuable Java source code and example applications that illustrate key points throughout the text. Complete class and sequence diagrams are also provided where applicable.
This innovative book offers a detailed explanation of the way that an A-GPS server operates from a practical point of view. The CD-ROM contains valuable Java source code and example applications that illustrate key points throughout the text.
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Computers and Internet » Computer Languages » Java