Inventor
PATCHAVA RAVITEJA
US38 patents
Patents
38 patentsUS11616676B1Mar 28, 2023
Phase tracking reference signal phase noise tracking
QUALCOMM INC9 citations86
US12212445B2Jan 28, 2025
Modified demodulation reference signal patterns for orthogonal frequency-division multiplexing
QUALCOMM INC2 citations75
US12132538B2Oct 29, 2024
Two stage codebook beamforming for channel estimation in passive devices
QUALCOMM INC3 citations75
US11678285B2Jun 13, 2023
Synchronization signal block design using a single carrier quadrature amplitude modulation waveform
QUALCOMM INC4 citations75
US11632272B1Apr 18, 2023
Multiplexing demodulation reference signal and data in orthogonal time frequency space waveform
QUALCOMM INC4 citations75
US12155593B2Nov 26, 2024
Demodulation reference signal precoding in high-doppler scenarios
QUALCOMM INC2 citations73
US12095685B2Sep 17, 2024
Orthogonal time frequency space precoding for tracking reference signal
QUALCOMM INC2 citations73
US11777566B2Oct 3, 2023
Orthogonal time frequency space precoding of sounding reference signals
QUALCOMM INC2 citations73
US11659459B2May 23, 2023
Waveform switching mechanism for digital MMWAVE repeaters in higher bands
QUALCOMM INC2 citations73
US12348347B2Jul 1, 2025
Extra guard interval
QUALCOMM INC1 citations64
US12231272B2Feb 18, 2025
Helper signal based envelope tracking
QUALCOMM INC1 citations64
US12568010B2Mar 3, 2026
Frequency domain multiplexing of a data signal and a reference signal
QUALCOMM INC0 citations62
US12549423B2Feb 10, 2026
Estimation of power amplifier nonlinearity based on multiplexed reference signals within a slot
QUALCOMM INC0 citations62
US12483297B2Nov 25, 2025
Cyclic delay and doppler shift
QUALCOMM INC0 citations62
US12451915B2Oct 21, 2025
Nonlinear power amplifier operating mode indication
QUALCOMM INC0 citations62
US12438751B2Oct 7, 2025
Demodulation reference signal sequence signaling for single carrier waveforms with a nonlinear power amplify in higher bands
QUALCOMM INC0 citations62
US12431741B2Sep 30, 2025
Techniques for load resistance signaling for wireless power transfer
QUALCOMM INC0 citations62
US12177842B2Dec 24, 2024
Orthogonal time frequency space precoding of control channel and shared channel communications
QUALCOMM INC0 citations62
US12155585B2Nov 26, 2024
Physical broadcast channel precoding in high-doppler scenarios
QUALCOMM INC0 citations62
US12119901B2Oct 15, 2024
Precoding vector based on singular value decomposition characterization of a communication channel
QUALCOMM INC0 citations62
US11996969B2May 28, 2024
Guard interval in delay-Doppler domain
QUALCOMM INC0 citations62
US11870627B2Jan 9, 2024
Guard interval-based waveform with data part and tail part
QUALCOMM INC1 citations62
US11832354B2Nov 28, 2023
Integrated access and backhaul node specific guard intervals
QUALCOMM INC0 citations62
US11750430B2Sep 5, 2023
Link specific guard interval
QUALCOMM INC0 citations62
US11546947B1Jan 3, 2023
Aligning physical random access channel communications and data communications
QUALCOMM INC0 citations62
US12484000B2Nov 25, 2025
Initial physical random access channel (PRACH) power control using multiple PRACH signals
QUALCOMM INC0 citations60
US11943051B2Mar 26, 2024
Rate matching and channel interleaving for probabilistic shaping
QUALCOMM INC1 citations60
US12587870B2Mar 24, 2026
Beam sweeping to improve the range of wireless power transfer
QUALCOMM INC0 citations52
US12525826B2Jan 13, 2026
Frequency spreading based channel state information acquisition in wireless power transfer
QUALCOMM INC0 citations52
US12519341B2Jan 6, 2026
Control information acquisition based on backscattering for a wideband channel
QUALCOMM INC0 citations52
US12500804B2Dec 16, 2025
Power harvesting using a multi-tone energy waveform
QUALCOMM INC0 citations52
US12494671B2Dec 9, 2025
Wireless power transfer from a user equipment (UE)
QUALCOMM INC0 citations52
US12470445B2Nov 11, 2025
Multi-carrier on-off keying communications
QUALCOMM INC0 citations52
US12309727B2May 20, 2025
Techniques for rate matching order for orthogonal time frequency space multiplexing
QUALCOMM INC0 citations52
US12063137B2Aug 13, 2024
Hybrid orthogonal frequency division multiplexing
QUALCOMM INC0 citations52
US12047920B2Jul 23, 2024
Shifting a fast Fourier transform (FFT) window to generate a self-contained slot
QUALCOMM INC0 citations52
US11848805B2Dec 19, 2023
Guard interval configurations for multiple links
QUALCOMM INC0 citations52
US11843495B2Dec 12, 2023
Guard interval based waveform
QUALCOMM INC0 citations52