Inventor

KRISHNAMOORTHI RAGHURAMAN

US88 patents

⚠️ This page may combine multiple inventors who share the name “KRISHNAMOORTHI RAGHURAMAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KRISHNAMOORTHI RAGHURAMAN

QUALCOMM INC

Speed-up template matching using peripheral information

Methods and apparatus for time tracking using assistance from TDM pilots in a communication network

Data detection for a hierarchical coded data transmission

Method for transmission of time division multiplexed pilot symbols to aid channel estimation, time synchronization, and AGC bootstrapping in a multicast wireless system

Apparatus and methods of providing and receiving venue level transmissions and services

Method and system for automatic gain control during signal acquisition

Common reference signal design based on semi-uniform pilot spacing and orthogonal cover code

Transmission of channel state information based on selected non-frequency domain components of channel responses

Common reference signal design based on semi-uniform pilot spacing and orthogonal cover code

Techniques for channel estimation using user equipment specific reference signals based on smoothed precoders in a frequency domain

Interactive and automatic 3-D object scanning method for the purpose of database creation

Determining capacity of search structures

Phase compensation for analog gain switching in OFDM modulated physical channel

Methods and apparatuses for reducing inter-carrier interference in an OFDM system

Frequency error estimation and frame synchronization in an OFDM system

Narrow-band interference canceller

Identifying a maximally stable extremal region (MSER) in an image by skipping comparison of pixels in the region

Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot

Incremental learning for dynamic feature database management in an object recognition system

Multiple orientation detection

Incremental learning for dynamic feature database management in an object recognition system

Detection of an object&#39;s varying features with a non-stationary device

Strategies for triggering depth sensors and transmitting RGBD images in a cloud-based object recognition system

Digital gain computation for automatic gain control

Reference signal design based on semi-uniform pilot spacing

Reference signal design based on semi-uniform pilot spacing

Method to track analog gain step magnitudes online during operation of wireless mobile devices

Wide area and local network ID transmission for communication systems

Pilot modulation error ratio for evaluation of transmitter performance

Partial FFT processing and demodulation for a system with multiple subcarriers

Subband-based demodulation for an OFDM-based communication system

Determining layer ranks for compression of deep networks

Learning a truncation rank of singular value decomposed matrices representing weight tensors in neural networks

Updating index information when adding or removing documents

LING FUYUN

Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system

Wireless communication of turbo coded data with time diversity

Communication signal decoding with iterative cooperation between inner and outer codes

KRISHNAMOORTHI RAGHURAMAN

Apparatus and methods of providing and receiving venue level transmissions and services

Logical channel mapping for increased utilization of transmission resources

BLACK PETER JOHN

Method and apparatus for plug-and-play venue-cast co-channel with wide-area network

VIJAYAN RAJIV

Frequency division multiplexing of multiple data streams in a wireless multi-carrier communication system

JIANG JING

Parity check matrix optimization and selection for iterative decoding

SUN THOMAS

Scheduling data with time diversity in flow systems

MURTHY VINAY

Automatic gain control for a wireless receiver

GUPTA BINITA

Methods and apparatus for RF handoff in a multi-frequency network

LI LINBO

Channel handoff methods in wireless broadcast systems

TSAI MING-CHANG

Fast repeated integral images

OH SEOKYONG

Method and apparatus for data quantization and packing with variable bit width and period

GORE DHANANJAY ASHOK

Time filtering for excess delay mitigation in OFDM systems

MANTRAVADI ASHOK

Methods and apparatus for signal and interference energy estimation in a communication system

Detection of an object's varying features with a non-stationary device