Inventor · disambiguated record
Changlong Xu
Also filed as: XU CHANGLONG
157 granted patents·166 pending applications·186 citations·filing 2006–2025
99Inventor score
Top patents by PatentIndex Score
323 records- 0196US12237919B2Rateless coding at layer two protocol layerQUALCOMM INC·Filed 2021·Granted Feb 25, 2025·7 cites·30 claims
- 0295US10291359B2Of hybrid automatic repeat request (HARQ) feedback bits for polar codesQUALCOMM INC·Filed 2017·Granted May 14, 2019·15 cites·30 claims
- 0395US10224966B2Parity bit channel assignment for polar codingQUALCOMM INC·Filed 2017·Granted Mar 5, 2019·14 cites·28 claims
- 0494US12295035B2Cyclic prefix (CP) extension in channel occupancy time (COT) sharing for sidelink communicationQUALCOMM INC·Filed 2020·Granted May 6, 2025·3 cites·35 claims
- 0594US12113615B2CRC bits for joint decoding and verification of control information using polar codesQUALCOMM INC·Filed 2023·Granted Oct 8, 2024·2 cites·30 claims
- 0693US10142060B2Communication system and method having polar coding with two concatenated cyclic redundancy check codesQUALCOMM INC·Filed 2018·Granted Nov 27, 2018·11 cites·18 claims
- 0792US11791843B2Methods and apparatus for constructing polar codesQUALCOMM INC·Filed 2021·Granted Oct 17, 2023·2 cites·15 claims
- 0889US11018804B2Bit allocations for encoding and decodingQUALCOMM INC·Filed 2017·Granted May 25, 2021·5 cites·30 claims
- 0988US12191993B2Bit replacing for low density parity check encodingQUALCOMM INC·Filed 2021·Granted Jan 7, 2025·2 cites·30 claims
- 1088US12113601B2Techniques for directional signal strength indication and beam-specific measurement thresholdQUALCOMM INC·Filed 2022·Granted Oct 8, 2024·1 cites·30 claims
- 1188US11711163B2CRC bits for joint decoding and verification of control information using polar codesQUALCOMM INC·Filed 2020·Granted Jul 25, 2023·2 cites·34 claims
- 1288US8397126B2Systems and methods for channel coding of wireless communicationXU CHANGLONG·Filed 2009·Granted Mar 12, 2013·17 cites·19 claims
- 1387US10404413B2Efficient interleaver design for polar codesQUALCOMM INC·Filed 2018·Granted Sep 3, 2019·4 cites·22 claims
- 1486US12323239B2Interleaver for constellation shapingQUALCOMM INC·Filed 2021·Granted Jun 3, 2025·2 cites·28 claims
- 1586US11632193B2Dynamic frozen bits and error detection for polar codesQUALCOMM INC·Filed 2018·Granted Apr 18, 2023·4 cites·21 claims
- 1686US11171739B2Reduced overhead error detection code design for decoding a codewordQUALCOMM INC·Filed 2018·Granted Nov 9, 2021·4 cites·30 claims
- 1783US11558149B2Efficient interleaver design for polar codesQUALCOMM INC·Filed 2019·Granted Jan 17, 2023·2 cites·30 claims
- 1883US11196444B2Methods and apparatus for CRC concatenated polar encodingQUALCOMM INC·Filed 2018·Granted Dec 7, 2021·4 cites·16 claims
- 1983US10721029B2Techniques for a hybrid automatic repeat request (HARQ) mechanism with polar codesQUALCOMM INC·Filed 2017·Granted Jul 21, 2020·4 cites·30 claims
- 2082US11411678B2Equivalent puncture sets for polar coded re-transmissionsQUALCOMM INC·Filed 2019·Granted Aug 9, 2022·3 cites·27 claims
- 2182US2025105944A1Efficient interleaver design for polar codesQUALCOMM INC·Filed 2024·Application pending·0 cites
- 2281US12348316B2Semi-persistent scheduling opportunities for jittered periodic trafficQUALCOMM INC·Filed 2021·Granted Jul 1, 2025·1 cites·26 claims
- 2381US11228394B2Polar coding techniques for blind detection of different payload sizesCHEN KAI·Filed 2018·Granted Jan 18, 2022·3 cites·46 claims
- 2480US12426071B2Distance-based channel occupancy time (COT) sharingQUALCOMM INC·Filed 2020·Granted Sep 23, 2025·1 cites·30 claims
- 2580US12389429B2Third stage sidelink control information designQUALCOMM INC·Filed 2020·Granted Aug 12, 2025·1 cites·30 claims
- 2680US12328759B2Techniques for channel occupancy time sharing between a user equipment and a network entityQUALCOMM INC·Filed 2020·Granted Jun 10, 2025·1 cites·35 claims
- 2780US12283973B2Methods and apparatus for constructing polar codesQUALCOMM INC·Filed 2023·Granted Apr 22, 2025·0 cites·30 claims
- 2880US11601217B2CRC bits for joint decoding and verification of control information using polar codesQUALCOMM INC·Filed 2017·Granted Mar 7, 2023·3 cites·34 claims
- 2980US11398837B2Unified pattern for puncturing and shortening polar codesQUALCOMM INC·Filed 2017·Granted Jul 26, 2022·4 cites·30 claims
- 3080US2025253868A1Methods and apparatus for constructing polar codesQUALCOMM INC·Filed 2025·Application pending·0 cites
- 3179US12490115B2Directional channel occupancy monitoring for spectrum sharingQUALCOMM INC·Filed 2021·Granted Dec 2, 2025·1 cites·30 claims
- 3279US12177827B2Transmitting group scheduling control information over a physical downlink shared channelQUALCOMM INC·Filed 2019·Granted Dec 24, 2024·2 cites·30 claims
- 3379US11470598B2Transmitting data in a control channelQUALCOMM INC·Filed 2019·Granted Oct 11, 2022·2 cites·38 claims
- 3479US11362769B2Hybrid automatic repeat request (HARQ) with polar coded transmissionsQUALCOMM INC·Filed 2016·Granted Jun 14, 2022·3 cites·21 claims
- 3579US2025301510A1Pusch validation for frame-based equipmentQUALCOMM INC·Filed 2025·Application pending·0 cites
- 3678US11044048B2Puncturing and repetition for information encodingQUALCOMM INC·Filed 2018·Granted Jun 22, 2021·2 cites·56 claims
- 3778US9037091B2Transmission of channel quality data in wireless communication systemsSUN HONGMEI·Filed 2009·Granted May 19, 2015·4 cites·23 claims
- 3878US2025351169A1Continuous transmission for new radio-unlicensed (nr-u) uplinkQUALCOMM INC·Filed 2025·Application pending·0 cites
- 3977US12081333B2Efficient interleaver design for polar codesQUALCOMM INC·Filed 2022·Granted Sep 3, 2024·0 cites·30 claims
- 4077US11996940B2Efficient interleaver design for polar codesQUALCOMM INC·Filed 2022·Granted May 28, 2024·0 cites·30 claims
- 4177US11147043B2Broadcast channel encoding and decodingQUALCOMM INC·Filed 2018·Granted Oct 12, 2021·2 cites·35 claims
- 4277US10749633B2Generation of polar codes with a variable block length utilizingQUALCOMM INC·Filed 2016·Granted Aug 18, 2020·3 cites·32 claims
- 4376US11646830B2Polar code construction for incremental redundancyQUALCOMM INC·Filed 2019·Granted May 9, 2023·2 cites·30 claims
- 4475US11451245B2Efficient interleaver designs for polar codesQUALCOMM INC·Filed 2017·Granted Sep 20, 2022·2 cites·18 claims
- 4574US11438100B2Rate-matching techniques for polar codesQUALCOMM INC·Filed 2017·Granted Sep 6, 2022·2 cites·46 claims
- 4674US11057151B2Mutual information based polar code constructionQUALCOMM INC·Filed 2017·Granted Jul 6, 2021·2 cites·69 claims
- 4774US10944517B2Transmission of new data in a hybrid automatic repeat request (HARQ) retransmission with polar coded transmissionsLI JIAN·Filed 2016·Granted Mar 9, 2021·3 cites·30 claims
- 4874US8200165B2Techniques for transmission of channel quality data in wireless systemsSUN HONGMEI·Filed 2009·Granted Jun 12, 2012·5 cites·15 claims
- 4973US11949434B2Low latency communication with carrier-aggregation-based fountain codesQUALCOMM INC·Filed 2019·Granted Apr 2, 2024·2 cites·33 claims
- 5073US11259280B2Sub-channel mappingQUALCOMM INC·Filed 2017·Granted Feb 22, 2022·2 cites·18 claims
Showing the top 50 of 323 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →