Inventor
CHALLA RAGHU
US43 patents
⚠️ This page may combine multiple inventors who share the name “CHALLA RAGHU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
36 patentsUS6594501B2Jul 15, 2003
Systems and techniques for channel gain computations
QUALCOMM INC72 citations96
US10652833B2May 12, 2020
Evaluating radio frequency (RF) exposure in real time
QUALCOMM INC27 citations94
US6813478B2Nov 2, 2004
Method and apparatus for searching a gated pilot
QUALCOMM INC66 citations94
US6453181B1Sep 17, 2002
Method and apparatus for compensating for frequency drift in a low frequency sleep clock within a mobile station operating in a slotted paging mode
QUALCOMM INC105 citations94
US7133437B2Nov 7, 2006
Pilot interpolation for a gated pilot with compensation for induced phase changes
QUALCOMM INC26 citations93
US6704555B2Mar 9, 2004
Apparatus and method for calibrating local oscillation frequency in wireless communications
QUALCOMM INC40 citations93
US7801248B2Sep 21, 2010
Interference suppression with virtual antennas
QUALCOMM INC26 citations92
US7088955B2Aug 8, 2006
Method and apparatus for acquiring and tracking pilots in a CDMA communication system
QUALCOMM INC27 citations92
US7020180B2Mar 28, 2006
Method and apparatus for acquiring pilots over code space and frequency errors in a CDMA communication system
QUALCOMM INC51 citations92
US6980823B2Dec 27, 2005
Intermediate wake mode to track sleep clock frequency in a wireless communication device
QUALCOMM INC27 citations92
US6608858B1Aug 19, 2003
Multipath doppler adjusted frequency tracking loop
QUALCOMM INC48 citations92
US6748201B2Jun 8, 2004
Gain control for communications device
QUALCOMM INC47 citations90
US11368926B2Jun 21, 2022
Reporting power limit and corresponding constraint
QUALCOMM INC8 citations86
US11457416B2Sep 27, 2022
Evaluating radio frequency (RF) exposure in real time
QUALCOMM INC5 citations84
US11169251B2Nov 9, 2021
Proximity detection using multiple power levels
QUALCOMM INC7 citations84
US8379778B2Feb 19, 2013
Bursty interference suppression for communications receivers
QUALCOMM INC8 citations84
US6912244B2Jun 28, 2005
Pilot frequency acquisition based on a window of data samples
QUALCOMM INC16 citations83
US6950841B2Sep 27, 2005
Logarithmic lookup tables
QUALCOMM INC10 citations74
US6707865B2Mar 16, 2004
Digital voltage gain amplifier for zero IF architecture
QUALCOMM INC7 citations74
US11792740B2Oct 17, 2023
Evaluating radio frequency (RF) exposure in real time
QUALCOMM INC1 citations73
US11088750B2Aug 10, 2021
Feedback of beam switch time capability
QUALCOMM INC5 citations73
US10959233B2Mar 23, 2021
Method to enable iterative processing and perform closer to constrained capacity
QUALCOMM INC2 citations73
US10624024B2Apr 14, 2020
Correlation-enhanced frequency scanning
QUALCOMM INC2 citations73
US6580746B2Jun 17, 2003
System and method for acquiring a received signal in a spread spectrum device
QUALCOMM INC9 citations71
US11129103B2Sep 21, 2021
Skipping periodic measurements to enable power saving in user equipments
QUALCOMM INC6 citations70
US10244426B2Mar 26, 2019
Frequency error detection with PBCH frequency hypothesis
QUALCOMM INC2 citations66
US10863484B2Dec 8, 2020
Indication of random-access channel MSG3 resource duration via random-access channel MSG2
QUALCOMM INC1 citations63
US10432378B2Oct 1, 2019
Use of reference signals to improve user equipment (UE) warm-up before transitioning from an OFF duration of the UE to an on duration of the UE with respect to a radio frequency spectrum band
QUALCOMM INC1 citations63
US7436412B2Oct 14, 2008
Graphics engine with efficient interpolation
QUALCOMM INC2 citations63
US12213080B2Jan 28, 2025
Evaluating radio frequency (RF) exposure in real time
QUALCOMM INC0 citations62
US12123936B2Oct 22, 2024
Proximity detection using multiple power levels
QUALCOMM INC0 citations62
US11324014B2May 3, 2022
Exposure detection in millimeter wave systems
QUALCOMM INC1 citations62
US7085295B2Aug 1, 2006
Method and apparatus for searching for pilots over code space in a CDMA communication system
QUALCOMM INC5 citations61
US10268256B2Apr 23, 2019
Techniques for reducing power consumption based at least in part on reconfiguration of a user equipment in a sub-transmission time interval (TTI) range
QUALCOMM INC0 citations51
US7298776B2Nov 20, 2007
Acquisition of a gated pilot signal with coherent and noncoherent integration
QUALCOMM INC0 citations48
US7586837B2Sep 8, 2009
Acquisition of a gated pilot signal
QUALCOMM INC0 citations40