A-GPS assisted GPS, GNSS, and SBAS - Diggelen, Frank van (Artech House, 2009)
Includes bibliographical references and index
Introduction -- Standard GPS review -- Assistance, the "A" in A-GPS -- Coarse-time navigation: instant GPS -- Coarse-time dilution of precision -- High sensitivity: indoor GPS -- Generating assistance data -- Ephemeris extension, long-term orbits -- Industry standards and government mandates -- Future A-GNSS.