Inventor
PATRICK CHRISTOPHER
US39 patents
⚠️ This page may combine multiple inventors who share the name “PATRICK CHRISTOPHER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
22 patentsUS6903684B1Jun 7, 2005
Method and apparatus for optimizing GPS-based position location in presence of time varying frequency error
QUALCOMM INC165 citations98
US6861980B1Mar 1, 2005
Data messaging efficiency for an assisted wireless position determination system
QUALCOMM INC272 citations98
US6522871B1Feb 18, 2003
Method and apparatus for compensating local oscillator frequency error through environmental control
QUALCOMM INC130 citations98
US7039418B2May 2, 2006
Position determination in a wireless communication system with detection and compensation for repeaters
QUALCOMM INC64 citations97
US6928275B1Aug 9, 2005
Method and apparatus for compensating local oscillator frequency error
QUALCOMM INC60 citations96
US7647055B2Jan 12, 2010
System and method for integration of wireless computer network in position determining technology
QUALCOMM INC48 citations93
US8031113B2Oct 4, 2011
System and method to obtain signal acquisition assistance data
QUALCOMM INC11 citations92
US7446706B2Nov 4, 2008
Method and apparatus for processing navigation data in position determination
QUALCOMM INC16 citations92
US7170447B2Jan 30, 2007
Method and apparatus for processing navigation data in position determination
QUALCOMM INC16 citations92
US7016688B2Mar 21, 2006
Forward link repeater delay watermarking system
QUALCOMM INC39 citations92
US6961367B2Nov 1, 2005
Forward link repeater frequency watermarking scheme
QUALCOMM INC41 citations92
US6873910B2Mar 29, 2005
Procedure for searching for position determination signals using a plurality of search modes
QUALCOMM INC28 citations92
US6480529B1Nov 12, 2002
Programmable matched filter searcher for multiple pilot searching
QUALCOMM INC35 citations91
US7096132B2Aug 22, 2006
Procedure for estimating a parameter of a local maxima or minima of a function
QUALCOMM INC13 citations84
US7136659B2Nov 14, 2006
Update of base station identifiers based on overhead visit
QUALCOMM INC15 citations80
US6580746B2Jun 17, 2003
System and method for acquiring a received signal in a spread spectrum device
QUALCOMM INC9 citations71
US7738531B2Jun 15, 2010
Method and apparatus for reducing code phase search space
QUALCOMM INC3 citations63
US7369599B2May 6, 2008
Method and apparatus for reducing code phase search space
QUALCOMM INC3 citations63
US7839327B2Nov 23, 2010
Method and apparatus for processing navigation data in position determination
QUALCOMM INC3 citations62
US7995538B2Aug 9, 2011
Method and apparatus for throttling access to a shared resource
QUALCOMM INC6 citations60
US7649860B2Jan 19, 2010
Buffer-based GPS and CDMA pilot searcher
QUALCOMM INC2 citations59
US7596190B2Sep 29, 2009
System, method, and apparatus for correction of code doppler shift
QUALCOMM INC0 citations38
GAAL PETER
5 patentsUS8254512B2Aug 28, 2012
Method and apparatus for increasing coherent integration length while receiving a positioning signal
GAAL PETER6 citations73
US8711036B2Apr 29, 2014
System and method to obtain signal acquisition assistance data
GAAL PETER2 citations63
US8519887B2Aug 27, 2013
System and method to obtain signal acquisition assistance data
GAAL PETER1 citations63
US8432312B2Apr 30, 2013
System and method to obtain signal acquisition assistance data
GAAL PETER1 citations63
US8692711B2Apr 8, 2014
System and method to obtain signal acquisition assistance data
GAAL PETER0 citations52