Assignee
LI QINGHUA
US·40 granted patents·31 pending applications·162 citations·filing 2003–2025
Top patents by PatentIndex Score
71 records- 0194US8149791B2MIMO beamforming method and method of constructing a differential codebook for a wireless networkLI QINGHUA·Filed 2009·Granted Apr 3, 2012·26 cites·5 claims
- 0294US8068844B2Arrangements for beam refinement in a wireless networkLI QINGHUA·Filed 2008·Granted Nov 29, 2011·21 cites·20 claims
- 0390US8229452B2Downlink channel parameters determination for a multiple-input-multiple-output (MIMO) systemLI QINGHUA·Filed 2010·Granted Jul 24, 2012·8 cites·16 claims
- 0486US10218555B2Usage of early bits in wireless communicationsLI QINGHUA·Filed 2015·Granted Feb 26, 2019·6 cites·15 claims
- 0585US8743857B2Recursive reduction of channel state feedbackLI QINGHUA·Filed 2012·Granted Jun 3, 2014·6 cites·6 claims
- 0683US8660105B2Downlink transmit beamformingLI QINGHUA·Filed 2012·Granted Feb 25, 2014·4 cites·27 claims
- 0783US8483761B2Singular value decomposition beamforming for a multiple-input-multiple-output communication systemLI QINGHUA·Filed 2006·Granted Jul 9, 2013·10 cites·23 claims
- 0882US8594691B2Arrangements for beam refinement in a wireless networkLI QINGHUA·Filed 2011·Granted Nov 26, 2013·4 cites·20 claims
- 0981US8446971B2Communication station and method for efficiently providing channel feedback for MIMO communicationsLI QINGHUA·Filed 2010·Granted May 21, 2013·5 cites·26 claims
- 1080US8743985B2Method and apparatus using a base codebook structure for beamformingLI QINGHUA·Filed 2009·Granted Jun 3, 2014·7 cites·8 claims
- 1179US8238456B2Techniques to time vary pilot locations in wireless networksLI QINGHUA·Filed 2009·Granted Aug 7, 2012·6 cites·16 claims
- 1278US8718541B2Techniques for optimal location and configuration of infrastructure relay nodes in wireless networksLI QINGHUA·Filed 2007·Granted May 6, 2014·7 cites·21 claims
- 1377US8462864B2OFDM transmitter and methods for reducing the effects of severe interference with symbol loadingLI QINGHUA·Filed 2010·Granted Jun 11, 2013·2 cites·23 claims
- 1477US8422583B2Providing CQI feedback with common code rate to a transmitter stationLI QINGHUA·Filed 2011·Granted Apr 16, 2013·3 cites·22 claims
- 1577US2025300864A1Transceiver requirements for new modulation and coding schemesLI QINGHUA·Filed 2025·Application pending·0 cites
- 1675US8948139B2Parallel wireless communication apparatus, method, and systemLI QINGHUA·Filed 2011·Granted Feb 3, 2015·2 cites·19 claims
- 1775US8199723B2Parallel wireless communication apparatus, method, and systemLI QINGHUA·Filed 2003·Granted Jun 12, 2012·13 cites·16 claims
- 1874US8467472B2Device, system, and method of adjusting channel utilization for wireless transmissionLI QINGHUA·Filed 2010·Granted Jun 18, 2013·3 cites·20 claims
- 1973US9112562B2Techniques utilizing adaptive codebooks for beamforming in wireless networksLI QINGHUA·Filed 2008·Granted Aug 18, 2015·3 cites·20 claims
- 2073US8650448B2Retransmission techniques in wireless networksLI QINGHUA·Filed 2009·Granted Feb 11, 2014·5 cites·23 claims
- 2173US8254359B2Recursive reduction of channel state feedbackLI QINGHUA·Filed 2007·Granted Aug 28, 2012·4 cites·6 claims
- 2273US8243690B2Bandwidth allocation base station and method for allocating uplink bandwidth using SDMALI QINGHUA·Filed 2008·Granted Aug 14, 2012·4 cites·16 claims
- 2368US8861423B2Interference mitigation by overhearingLI QINGHUA·Filed 2008·Granted Oct 14, 2014·3 cites·9 claims
- 2467US8582493B2Implicit wireless relay station based upon observed communications between a subscriber station and a base stationLI QINGHUA·Filed 2010·Granted Nov 12, 2013·2 cites·18 claims
- 2567US8401563B2Downlink resource allocation and mappingLI QINGHUA·Filed 2011·Granted Mar 19, 2013·2 cites·18 claims
- 2667US8125923B2Downlink transmit beamformingLI QINGHUA·Filed 2010·Granted Feb 28, 2012·1 cites·20 claims
- 2764US9001759B2Base station and method for resource allocation in a 3GPP LTE networkLI QINGHUA·Filed 2012·Granted Apr 7, 2015·1 cites·19 claims
- 2864US8488709B2Providing CQI feedback with common code rate to a transmitter stationLI QINGHUA·Filed 2010·Granted Jul 16, 2013·1 cites·29 claims
- 2964US2025012912A1Indicating puncturing patternsLI QINGHUA·Filed 2024·Application pending·0 cites
- 3064US2025015946A1Payload indication for 802.11bnLI QINGHUA·Filed 2024·Application pending·0 cites
- 3164US2025096927A1Post-fec padding reduction for 802.11bnLI QINGHUA·Filed 2024·Application pending·0 cites
- 3263US10044421B2Wireless communication via combined channel training and physical layer header signalingLI QINGHUA·Filed 2014·Granted Aug 7, 2018·1 cites·33 claims
- 3363US9712217B2Parallel channel training in multi-user multiple-input and multiple-output systemLI QINGHUA·Filed 2014·Granted Jul 18, 2017·1 cites·18 claims
- 3463US2021218527A1Enhanced sounding for secure mode wireless communicationsLI QINGHUA·Filed 2021·Application pending·0 cites
- 3560US2025286688A1Data modulation for enhanced long-range modeLI QINGHUA·Filed 2025·Application pending·0 cites
- 3659US8243648B2Spatial reuse techniques with wireless network relaysLI QINGHUA·Filed 2008·Granted Aug 14, 2012·1 cites·32 claims
- 3756US8396029B2Techniques to manage channel predictionLI QINGHUA·Filed 2009·Granted Mar 12, 2013·0 cites·16 claims
- 3855US2024129174A1Unequal modulation and coding scheme for probabilistic constellation shaping in wlansLI QINGHUA·Filed 2023·Application pending·0 cites
- 3955US2024137154A1Bit scrambling for probabilistic constellation shaping in wlansLI QINGHUA·Filed 2023·Application pending·0 cites
- 4055US2024089030A1Coding scheme indication for 802.11bnLI QINGHUA·Filed 2023·Application pending·0 cites
- 4154US8134912B2Apparatus, systems and methods adapted for opportunistic forwarding of uplink short messages in wireless metropolitan area networksLI QINGHUA·Filed 2008·Granted Mar 13, 2012·0 cites·23 claims
- 4254US2015359001A1Systems and methods for facilitating simultaneous poll responsesLI QINGHUA·Filed 2014·Application pending·0 cites
- 4354US2009207928A1Training symbol format for adaptively power loaded MIMOLI QINGHUA·Filed 2009·Application pending·0 cites
- 4454US2025226937A1Preamble detection and power level measurement for enhanced long-range (elr) mode of ultra high reliability (uhr) wlansLI QINGHUA·Filed 2025·Application pending·0 cites
- 4553US8874046B2Techniques utilizing step size adaptation for differential beamforming in wireless networksLI QINGHUA·Filed 2009·Granted Oct 28, 2014·0 cites·15 claims
- 4653US8611918B2Downlink channel parameters determination for a multiple-input-multiple-output (MIMO) systemLI QINGHUA·Filed 2012·Granted Dec 17, 2013·0 cites·11 claims
- 4753US8442458B2Techniques for beamforming using predicted channel state informationLI QINGHUA·Filed 2010·Granted May 14, 2013·0 cites·17 claims
- 4852US9094072B2MIMO beamforming method and method of constructing a differential codebook for a wireless networkLI QINGHUA·Filed 2012·Granted Jul 28, 2015·0 cites·15 claims
- 4951US8665736B2MAC slot alignment among multiple wireless stationsLI QINGHUA·Filed 2009·Granted Mar 4, 2014·0 cites·13 claims
- 5051US2010226357A1Differential codebook for a wireless network, MIMO beamforming system using same, and method of reducing a quantization error in a MIMO beamforming system for a wireless network using sameLI QINGHUA·Filed 2010·Application pending·0 cites
Showing the top 50 of 71 patent records by PatentIndex Score.
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