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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →