LexDanaLexDanabeta
Inventor

Songping Wu

Inventor
Cupertino, CA, US

Overview

85→
Patents
2007–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 85 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication36%
H04BTransmission22%
H04WWireless communication networks11%
H04JMultiplex communication8%
H01QAntennas, i.e. radio aerials3%
H03FAmplifiers3%
G01RMeasuring electric variables2%
G01SRadio direction-finding2%
G06FElectric digital data processing2%
H03GControl of amplification2%
PatentTitleYear
10,560,140MIMO WiFi transceiver with rolling gain offset pre-distortion calibration202010,212,019Sub-carrier adaptation in multi-carrier communication systems201910,063,402Sub-carrier adaptation in multi-carrier communication systems201810,002,101Methods and apparatus for equalization of a high speed serial bus20189,991,941Beamforming scheme for phased-array antennas20189,690,425'Systems and methods for tracking baseline signals for touch detection'20179,590,832'Sub-carrier adaptation in multi-carrier communication systems'20179,584,255'Method and apparatus for transmitting and receiving packets in a wireless communication network'20179,525,759'Physical layer data unit format'20169,450,848'Methods and apparatus for adjusting a phase of a transmitted signal based on an evaluation of an eye opening in an eye diagram'20169,420,594'Methods and apparatus for adaptively selecting a communications mode in high frequency systems'20169,413,437'Efficient and flexible transmit beamforming sector sweep in a multi-antenna communication device'20169,356,648'Frequency offset acquisition for wireless communications'20169,313,754'PHY preamble format for wireless communication system'20169,294,941'Phase transformation of repeated signals'20169,184,824'Intra-packet antenna diversity systems and methods'20159,184,839'Method and apparatus for compensating impairments in radio frequency circuitry of a wireless device'20159,160,586'Method and apparatus for estimating and compensating for in-phase and quadrature (IQ) mismatch in a receiver of a wireless communication device'20159,148,188'System and method for tuning a receiver by iteratively dividing a frequency band into multiple sub-bands'20159,107,153'Parallel processing of both code synchronization and frequency synchronization for wireless communication'20159,100,074'Beamforming training techniques for MIMO systems'20159,046,342'Coaxial cable Bragg grating sensor'20159,002,302'Digital Predistortion for nonlinear RF power amplifiers'20158,995,572'Digital Predistortion for nonlinear RF power amplifiers'20158,995,568'Phase transformation of repeated signals'20158,989,321'Preamble detection based on repeated preamble codes'20158,989,287'Apparatus for generating spreading sequences and determining correlation'20158,976,905'Robust differential receiver for frequency modulated system'20158,952,910'Touchscreen system'20158,929,397'Efficient physical layer preamble format'20158,902,798'Physical layer frame format design for wideband wireless communications systems'20148,897,394'Methods and apparatus for adaptively selecting a communications mode in high frequency systems'20148,886,139'Beamforming by sector sweeping'20148,885,669'Method and apparatus for processing a preamble of a packet'20148,867,569'Physical layer data unit format'20148,817,912'Phase-rotated tone-grouping modulation'20148,811,462'Frame synchronization method and apparatus'20148,797,212'Beamforming scheme for phased-array antennas'20148,781,401'Detection and estimation of radio frequency variations'20148,774,251'Physical layer data unit format'20148,731,029'Frequency offset acquisition for wireless communications'20148,706,039'Beamforming by sector sweeping'20148,699,620'Digital Predistortion for nonlinear RF power amplifiers'20148,644,426'Robust differential receiver for frequency modulated system'20148,644,184'Beamforming training techniques for MIMO systems'20148,630,588'Efficient and flexible transmit beamforming sector sweep in a multi-antenna communication device'20148,605,635'Physical layer frame format design for wideband wireless communications systems'20138,599,900'Physical layer data unit format'20138,571,142'System and method for non-crystal-based communications'20138,559,569'Preamble detection based on repeated preamble codes'20138,498,591'Digital Predistortion for nonlinear RF power amplifiers'20138,488,698'Frame synchronization method and apparatus'20138,477,813'Physical layer data unit format'20138,446,317'Beamforming scheme for phased-array antennas'20138,441,968'Physical layer frame format design for wideband wireless communications systems'20138,385,390'PHY preamble format for wireless communication system'20138,385,440'Apparatus for generating spreading sequences and determining correlation'20138,358,668'Physical layer frame format design for wideband wireless communications systems'20138,346,174'Detection and estimation of radio frequency variations'20138,335,167'Refining beamforming techniques for phased-array antennas'20128,331,419'Efficient physical layer preamble format'20128,195,112'Time-reversal-based communication'20128,184,052'Digital beamforming scheme for phased-array antennas'20128,175,119'Efficient physical layer preamble format'20128,175,118'Efficient physical layer preamble format'20128,165,185'Physical layer data unit format'20128,139,688'Differential receiver with frequency offset compensation'20128,050,643'RF-AGC scheme insensitive to channel interference and deep fading'20117,995,666'Frame synchronization method and apparatus'20117,983,233'Apparatus for phase noise suppression for OFDM based WLANS'20117,978,106'Interference detection using a moving window'20117,974,367'Symbol timing method and digital receiver apparatus'20117,944,984'I/Q calibration in the presence of phase offset'20117,864,091'Interference detection using a moving window'20117,855,666'Transmitter I/Q mismatch calibration for low if design systems'20107,813,436'Frame synchronization method and apparatus'20107,809,083'Differential receiver with frequency offset compensation'20107,773,014'Strong short-pulse interference detection method'20107,747,222'Detection and estimation of radio frequency variations'20107,702,041'Symbol timing method and digital receiver apparatus'20107,623,052'Strong short-pulse interference detection method'20097,388,529'Interference detection using a moving window'20087,382,297'Transmitter I/Q mismatch calibration for low IF design systems'20087,313,194'Method for phase noise mitigation in MIMO-OFDM systems'20077,286,514'Method for phase noise suppression for OFDM based WLANs'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2017Based in Sunnyvale, CA, US· patent location history
2007Based in North Arlington, NJ, US· patent location history
2008–2019Patents assigned to MARVELL INT LTD (52)· patent assignee history
2010–2017Patents assigned to MARVELL WORLD TRADE LTD (27)· patent assignee history
2011–2020Based in Cupertino, CA, US· patent location history
2012–2017Patents assigned to WU SONGPING (35)· patent assignee history
2012–2017Patents assigned to LOU HUI-LING (25)· patent assignee history
2012–2017Patents assigned to ZHANG HONGYUAN (22)· patent assignee history
2015Based in Santa Clara, CA, US· patent location history
2018Based in Austin, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MARVELL INT LTD522008–2019
WU SONGPINGself352012–2017
MARVELL WORLD TRADE LTD272010–2017
LOU HUI-LING252012–2017
ZHANG HONGYUAN222012–2017
Locations
LocationPatentsSpan
Cupertino, California, US542011–2020
Sunnyvale, California, US282007–2017
Austin, Texas, US12018
Santa Clara, California, US12015
North Arlington, New Jersey, US12007