Inventor

Hua Xu

Inventor
Ottawa, CA

Overview

208→
Patents
1999–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 208 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 communication34%
H04WWireless communication networks27%
H04BTransmission23%
H04JMultiplex communication8%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications1%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use1%
G01SRadio direction-finding1%
H04QSelecting1%
A61KPreparations for medical, dental or toiletry purposes0%
G06FElectric digital data processing0%
PatentTitleYear
10,880,905Methods and apparatuses for control resource bundling and mapping in wireless communication systems202010,869,301Information transmission method and apparatus and storage medium202010,863,498Separate configuration of numerology-associated resources202010,862,609Methods and systems for OFDM using code division multiplexing202010,826,658System and method for multi-carrier network operation202010,827,534Initial access channel for scalable wireless mobile communication networks202010,827,470Control channel transmission method, network device and terminal device202010,812,304Method for transmitting signal, network device and terminal device202010,797,764Pilot scheme for a MIMO communication system202010,791,533Methods and systems for generalized RACH-less mobility202010,790,893Signal transmission method and apparatus202010,779,324Method of transmitting information, network device and computer-readable medium202010,772,076Communication method, terminal device, and network device202010,700,905Pilot symbol patterns for transmission through a plurality of antennas202010,694,481Small cell demodulation reference signal and initial synchronization202010,694,398Signal transmission method, terminal device, and network device202010,651,968Data transmission method and communication device202010,644,925Control data transmission scheme202010,644,830Data transmission method, receiving device, and transmitting device202010,645,678Transmission of information in a wireless communication system202010,636,251Gaming machine and method of providing a feature game202010,629,030Hold and spin feature game with mystery symbols202010,615,851Multi-site MIMO cooperation in cellular networks202010,568,094Systems and methods for OFDM channelization202010,568,122Method for informing available resource for PDSCH, method for determining available resource for PDSCH, base station and UE202010,560,159Pilot scheme for a MIMO communication system202010,555,319Interference measurement methods for advanced receiver in LTE/LTE-A202010,554,464Method and system for combining DFT-transformed OFDM and non-transformed OFDM202010,554,272Closed loop MIMO systems and methods202010,541,773Methods and systems for OFDM using code division multiplexing202010,476,719Pilot symbol patterns for transmission through a plurality of antennas201910,447,455Enabling higher-order modulation in a cellular network201910,425,934Method and system for signaling transmission layers for single user and multi user MIMO201910,404,533Systems and methods for configuring slot formats with multiple switching points per slot201910,405,218Dynamic power control201910,397,960Initial access channel for scalable wireless mobile communication networks201910,383,110Timing advance group in LTE small cell enhancement201910,374,667Pilot scheme for a MIMO communication system201910,348,542Pilot symbol patterns for transmission through a plurality of antennas201910,340,990Wireless feedback system and method201910,330,771Method and system for user equipment location determination on a wireless transmission system201910,284,322Methods and systems for OFDM using code division multiplexing201910,244,529Systems and methods for OFDM channelization201910,237,106Method and system for combining DFT-transformed OFDM and non-transformed OFDM201910,224,034Voice recognition system and construction method thereof201910,200,226Pilot symbol patterns for transmission through a plurality of antennas201910,171,146MIMO rank reduction to improve downlink throughput201910,123,310Transmission of information in a wireless communication system201810,110,285Pilot scheme for a MIMO communication system201810,082,558Method and system for user equipment location determination on a wireless transmission system201810,075,954Systems and methods for band-limited subframes in wireless networks201810,075,314Pilot symbol patterns for transmission through a plurality of antennas201810,066,622Compressor having capacity modulation system201810,063,351Enhanced common downlink control channels201810,064,200Interference measurement methods for advanced receiver in LTE/LTE-A201810,044,460Methods and systems for OFDM using code division multiplexing201810,038,485Wireless feedback system and method201810,039,100Systems and methods for OFDM channelization20189,998,268Enhanced PHICH transmission for LTE-advanced20189,985,909Method and apparatus for implementing an adaptive coexistence scheme20189,986,524Small cell demodulation reference signal and initial synchornization20189,973,365Method and system for combining DFT-transformed OFDM and non-transformed OFDM20189,953,639Voice recognition system and construction method thereof20189,929,889'Pilot symbol patterns for transmission via a plurality of antennas'20189,900,069'Wireless feedback system and method'20189,888,484'Reference signal for a coordinated multi-point network implementation'20189,883,501'Method and system for signaling transmission layers for single user and multi user MIMO'20189,871,642'Enabling higher-order modulation in a cellular network'20189,860,711'Relay techniques suitable for user equipment in downlink'20189,854,465Wireless access network node having an off state20179,844,051'Timing advance group in LTE small cell enhancement'20179,825,793'Method and system for combining DFT-transformed OFDM and non-transformed OFDM'20179,814,003'Transmission of information in a wireless communication system'20179,769,824'Systems and methods for OFDM channelization'20179,762,300'Pilot scheme for a MIMO communication system'20179,739,869'Method and system for user equipment location determination on a wireless transmission system'20179,742,478'Wireless feedback system and method'20179,723,636'Initial access channel for scalable wireless mobile communication networks'20179,705,720'Pilot symbol patterns for transmission via a plurality of antennas'20179,686,061'Method and system using relays with aggregated spectrum'20179,680,615'Methods and systems of wireless communication with remote radio heads'20179,660,786'Transmission of information in a wireless communication system'20179,628,153'Closed loop MIMO systems and methods'20179,629,155'Systems and methods for OFDM channelization'20179,622,229'Network relay signaling for downlink transparent relay'20179,578,671'Establishing multiple connections between a user equipment and wireless access network nodes'20179,571,225'Method and apparatus for optimizing target error rates for link adaptation in a communication system'20179,571,321'Methods and systems for OFDM using code division multiplexing'20179,532,386'Initial access channel for scalable wireless mobile communication networks'20169,521,637'Small cell demodulation reference signal and initial synchronization'20169,473,279'Inter-cell interference coordination for E-PDCCH'20169,450,663'Communication systems and methods'20169,432,232'Pilot symbol patterns for transmit antennas'20169,423,488'Method and system for user equipment location determination on a wireless transmission system'20169,425,946'Interference measurement methods for advanced receiver in LTE/LTE-A'20169,407,489'Cell identity design for LTE-advanced'20169,408,167'Transmitting a synchronization indication'20169,407,487'Method and system for combining OFDM and transformed OFDM'20169,391,759'Wireless access network node having an off state'20169,369,190'Wireless feedback system and method'20169,369,253'Methods of interference measurement for advanced receiver in LTE/LTE-A'20169,345,018'Downlink control information set switching when using carrier aggregation'20169,326,277'System and method for uplink control information transmission in carrier aggregation'20169,307,536'Systems and methods for OFDM channelization'20169,288,808'Method and apparatus for power sharing carrier set for carrier aggregation'20169,287,950'Channel quality indicator apparatus and method'20169,271,221'Closed loop MIMO systems and methods'20169,270,347'Reference signal for a coordinated multi-point network implementation'20169,270,510'Adaptive two-dimensional channel interpolation'20169,253,772'System and method for multi-carrier network operation'20169,231,855'Method and system for hybrid automatic repeat request operation for uplink coordinated multi-point signaling'20169,219,583'Method and system for signaling transmission layers for single user and multi user MIMO'20159,215,058'Enhanced PHICH transmission for LTE-advanced'20159,198,181'Enhanced common downlink control channels'20159,173,109'Radio link quality monitoring'20159,136,923'Wireless feedback system and method'20159,107,173'Method and system for access and uplink power control for a wireless system having multiple transmit points'20159,106,288'Pilot scheme for a MIMO communication system'20159,100,957'Downlink control information set switching when using carrier aggregation'20159,094,188'Communication systems and methods for transmitting over PHICH channels'20159,088,345'Transmission of information in a wireless communication system'20159,084,238'Searching space and operation for enhanced PDCCH in LTE systems'20159,071,322'Enabling downlink transparent relay in a wireless communications network'20159,043,667'Method and system for up-link HARQ-ACK and CSI transmission'20159,036,585'Total remaining power estimation in carrier aggregation'20159,036,663'Method and system for space code transmit diversity of PUCCH'20159,025,574'Methods of channel state information feedback and transmission in coordinated multi-point wireless communications system'20159,014,020'Methods and systems of wireless communication with remote radio heads'20159,014,138'System and method for a virtual carrier for multi-carrier and coordinated multi-point network operation'20159,008,036'Pilot scheme for a MIMO communication system'20159,002,015'System and method for multi-carrier network operation'20158,989,755'Methods of inter-cell resource sharing'20158,982,997'Signaling and channel estimation for uplink transmit diversity'20158,964,705'For small cell demodulation reference signal and initial synchronization'20158,965,443'Method and system for access and uplink power control for a wireless system having multiple transmit points'20158,958,366'Reducing blind decodings for communications using carrier aggregation'20158,948,093'Rank adaptation for an open loop multi-antenna mode of wireless communication'20158,947,994'Method and system for combining OFDM and transformed OFDM'20158,948,799'Channel quality indicator apparatus and method'20158,923,203'Reference signal for a coordinated multi-point network implementation'20148,913,619'Network-relay signaling for downlink transparent relay'20148,902,951'Methods and systems for OFDM using code division multiplexing'20148,897,384'Wireless feedback system and method'20148,897,798'Methods and apparatus for radio resource allocation'20148,891,378'Method and system for hybrid automatic repeat request operation for uplink coordinated multi-point signaling'20148,891,496'System and method for improved control channel transmit diversity'20148,885,563'Reference signal for a coordinated multi-point network implementation'20148,885,581'Method and system for user equipment location determination on a wireless transmission system'20148,867,647'Transmit diversity using low code rate spatial multiplexing'20148,854,992'Artificial delay inflation and jitter reduction to improve TCP throughputs'20148,848,641'Methods for radio link failure recovery, and user equipment'20148,848,623'System and method for channel timing offset'20148,848,601'System and method for carrier activation'20148,842,628'Enhanced PDCCH with transmit diversity in LTE systems'20148,842,514'Systems and methods for OFDM channelization'20148,842,756'Adaptive one-dimensional channel interpolation'20148,837,631'Adaptive two-dimensional channel interpolation'20148,804,586'Control channel interference management and extended PDCCH for heterogeneous network'20148,804,598'Method and system using relays with aggregated spectrum'20148,780,841'Downlink control information set switching when using carrier aggregation'20148,773,974'Method and system for combining OFDM and transformed OFDM'20148,767,682'Multi-site MIMO cooperation in cellular network'20148,767,647'System and method for uplink control information transmission in carrier aggregation'20148,737,912'Enabling downlink transparent relay in a wireless communications network'20148,724,445'Method and system for combining OFDM and transformed OFDM'20148,705,463'Reference signal design for wireless communication system'20148,699,543'Transmission of information in a wireless communication system'20148,693,442'Multi-site MIMO cooperation in cellular network'20148,687,480'Systems and methods for SC-FDMA transmission diversity'20148,687,601'Methods and apparatus to perform antenna management'20148,689,063'JTAG apparatus and method for implementing JTAG data transmission'20148,665,930'System and method for channel status information feedback in a wireless communications system that utilizes multiple-input multiple-output (MIMO) transmission'20148,644,422'Low overhead PMI and CQI feedback and pairing schemes for MU-MIMO'20148,638,815'Method and apparatus for logical channel prioritization for uplink carrier aggregation'20148,619,891'Adaptive two-dimensional channel interpolation'20138,605,812'Wireless feedback system and method'20138,600,441'Transparent relay using dual-layer beam forming association procedures'20138,588,276'Methods and systems for OFDM using code division multiplexing'20138,582,638'System and method for channel state feedback in carrier aggregation'20138,576,775'Hybrid-QRD-SIC and imbalanced MCS system and method for MIMO'20138,570,764'Backplane and backplane communication system'20138,537,862'Transmit downlink control information with higher order modulation'20138,532,082'System and method for frequency division multiple access communications'20138,472,366'Network-relay signaling for downlink transparent relay'20138,446,658'Apparatus and method for optical switching in metamaterials'20138,406,332'Downlink transmission in a multiple-user multiple-input multiple-output (“MU-MIMO”) wireless communication system'20138,363,739'Pilot scheme for a MIMO communication system'20138,331,478'Transmit diversity using low code rate spatial multiplexing'20128,331,465'Adaptive two-dimensional channel interpolation'20128,331,394'Increasing scheduling request efficiency in a wireless communication system'20128,325,685'System and method for improved control channel transmit diversity'20128,315,225'Aspects to support LTE-A downlink hi-order MIMO'20128,305,987'Reference signal for a coordinated multi-point network implementation'20128,274,880'Systems and methods for OFDM channelization'20128,254,429'Communication systems and methods'20128,189,714'Wireless feedback system and method'20128,169,994'System and method for frequency division multiple access communications'20128,111,763'Methods and systems for OFDM using code division multiplexing'20128,045,936'Receiver for receiving embedding OFDM in an CDMA systems'20118,023,905'Method for embedding OFDM in CDMA systems'20117,929,407'Method and system for combining OFDM and transformed OFDM'20117,924,935'Channel sounding in OFDMA system'20117,471,932'System and method for embedding OFDM in CDMA systems'20087,469,149'Method and apparatus for serially establishing a group call session'20087,324,584'Low complexity interference cancellation'20086,885,638'Method and apparatus for enhancing the quality of service of a wireless communication'20056,178,166'Method and apparatus for group calls in a wireless CDMA communication system'20015,995,550'Method and apparatus for decoding a coded signal in a communication system'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2017Based in Lake Zurich, IL, US· patent location history
2008–2020Based in Nepean, CA· patent location history
2011–2020Based in Ottawa, CA· patent location history
2012–2020Patents assigned to XU HUA (82)· patent assignee history
2012–2020Patents assigned to APPLE INC (71)· patent assignee history
2012–2020Patents assigned to MA JIANGLEI (30)· patent assignee history
2012–2017Patents assigned to FONG MO-HAN (28)· patent assignee history
2012–2020Based in Kanata, CA· patent location history
2013–2020Patents assigned to BLACKBERRY LTD (80)· patent assignee history
2020Based in Marietta, GA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
XU HUAself822012–2020
BLACKBERRY LTD802013–2020
APPLE INC712012–2020
MA JIANGLEI302012–2020
FONG MO-HAN282012–2017
Locations
LocationPatentsSpan
Ottawa, CA1042011–2020
Nepean, CA722008–2020
Kanata, CA152012–2020
Lake Zurich, Illinois, US71999–2017
Marietta, Georgia, US22020