A complete single-chip GPS receiver with 1.6-V 24-mW radio in 0.18-μm CMOS. - Takahide Kadoyama; Norihito Suzuki; Noboru Sasho; Hiroshi Iizuka; Ikuho Nagase; Hideaki Usukubo; Masayuki Katakura (IEEE J. Solid State Circuits, 2004)