1
Gregory Bret Turetzky, Charles P Norman, Henry D Falk: Dead reckoning system for reducing auto-correlation or cross-correlation in weak signals. SIRF Technology, Hogan & Hartson, March 4, 2003: US06529829 (150 worldwide citation)

The present invention discloses methods, apparatuses, and systems for eliminating auto- and cross-correlation in weak signal CDMA systems, such as GPS systems. The invention uses parallel data paths that allow standard correlation of signals in parallel with verification of the lock signal to determ ...


2
Leon Kuo Liang Peng, Henry D Falk: Shared memory architecture in GPS signal processing. SiRF Technology, Edward C Kwok, MacPherson Kwok Chen & Heid, August 16, 2005: US06930634 (128 worldwide citation)

A shared memory architecture for a GPS receiver, wherein a processing memory is shared among the different processing functions, such as the correlator signal processing, tracking processing, and other applications processing. The shared memory architecture within the GPS receiver provides the memor ...


3
Gregory Bret Turetzky, Charles P Norman, Henry D Falk: Communications system that reduces auto-correlation or cross-correlation in weak signals. Sirf Technology, The Eclipse Group, January 20, 2004: US06680695 (100 worldwide citation)

The present invention discloses methods, apparatuses, and systems for eliminating auto- and cross-correlation in weak signal CDMA systems, such as GPS systems. The invention uses parallel data paths that allow standard correlation of signals in parallel with verification of the lock signal to determ ...


4
Leon Kuo Liang Peng, Henry D Falk: Shared memory architecture in GPS signal processing. SiRF Technology, Thomas Kayden Horstemeyer & Risley, February 25, 2003: US06526322 (33 worldwide citation)

A shared memory architecture for a GPS receiver, wherein a processing memory is shared among the different processing functions, such as the correlator signal processing, tracking processing, and other applications processing. The shared memory architecture within the GPS receiver provides the memor ...


5
Gregory Bret Turetzky, Charles P Norman, Henry D Falk: Location services system that reduces auto-correlation or cross-correlation in weak signals. SiRF Technology, The Eclipse Group, March 16, 2004: US06707423 (27 worldwide citation)

The present invention discloses methods, apparatuses, and systems for eliminating auto- and cross-correlation in weak signal CDMA systems, such as GPS systems. The invention uses parallel data paths that allow standard correlation of signals in parallel with verification of the lock signal to determ ...


6
Gregory Bret Turetzky, Charles P Norman, Henry D Falk: Location services system that reduces auto-correlation or cross-correlation in weak signals. SIRF Technology, Hogan & Hartson, October 15, 2002: US06466161 (20 worldwide citation)

The present invention discloses methods, apparatuses, and systems for eliminating auto- and cross-correlation in weak signal CDMA systems, such as GPS systems. The invention uses parallel data paths that allow standard correlation of signals in parallel with verification of the lock signal to determ ...


7
Paul A Underbrink, Henry D Falk, Steven A Gronemeyer, Chittharanjan A Dassannacharya, Charles P Norman, Nicolas Vantalon, Vojislav Protic: Signal processing system for satellite positioning signals. CSR Technology, RatnerPrestia, March 20, 2012: US08138972 (18 worldwide citation)

A signal processing system for processing satellite positioning signals is described. The system comprises at least one processor and a signal processor operating under a number of operational modes. The signal processor includes at least one of a signal processing subsystem, a fast Fourier transfor ...


8
Henry D Falk, Leon Kuo Liang Peng, Wesley F Marumo: Autonomous hardwired tracking loop coprocessor for GPS and WAAS receiver. SiRF Technology, Thomas Kayden Horstemeyer & Risley L, November 12, 2002: US06480150 (12 worldwide citation)

An autonomous Hardwired Tracking Loop (HWTL) ASIC comprising a HWTL coprocessor provided for implementing most of the receiver processing function for data acquisition and tracking functions of a radio receiver system in dedicated hardware. With the expanded functionality provided by an HWTL coproce ...


9
Leon Kuo Liang Peng, Henry D Falk, Wesley F Marumo: Autonomous hardwired tracking loop coprocessor for GPS and WAAS receiver. SiRF Technology, Gates & Cooper, August 21, 2001: US06278403 (10 worldwide citation)

An autonomous Hardwired Tracking Loop (HWTL) ASIC comprising a HWTL coprocessor provided for implementing most of the receiver processing function for data acquisition and tracking functions of a radio receiver system in dedicated hardware. With the expanded functionality provided by an HWTL coproce ...


10
Gregory Bret Turetzky, Charles P Norman, Henry D Falk: Method for reducing auto-correlation or cross-correlation in weak signals. SiRF Technology, September 12, 2006: US07106786 (6 worldwide citation)

The present invention discloses methods, apparatuses, and systems for eliminating auto- and cross-correlation in weak signal CDMA systems, such as GPS systems. The invention uses parallel data paths that allow standard correlation of signals in parallel with verification of the lock signal to determ ...