Inventor · disambiguated record
Chuandong Li
Also filed as: LI CHUANDONG
61 granted patents·7 pending applications·151 citations·filing 2008–2025
98Inventor score
Top patents by PatentIndex Score
68 records- 0194US11108599B1Method and apparatus for frequency domain equalization with low complexity and loop delayLI CHUANDONG·Filed 2020·Granted Aug 31, 2021·5 cites·19 claims
- 0288US11770276B1Systems and methods for compensating polarization dependent loss (PDL) in dual polarized communication networkHUAWEI TECH CO LTD·Filed 2022·Granted Sep 26, 2023·2 cites·20 claims
- 0388US9537683B1Method and apparatus for residual phase noise compensationZAMANI MAHDI·Filed 2015·Granted Jan 3, 2017·10 cites·28 claims
- 0488US9231787B1Method and apparatus with improved estimation accuracy and robustness for fine frequency offset estimation in coherent receiversHUAWEI TECHNOLOGIES CANADA CO LTD·Filed 2015·Granted Jan 5, 2016·9 cites·20 claims
- 0588US8538279B2Method and apparatus for carrier phase estimation and correction in a coherent optical systemLI CHUANDONG·Filed 2011·Granted Sep 17, 2013·10 cites·31 claims
- 0687US9755864B1Fractionally spaced adaptive equalizer with non-integer samplingALI SHAH SYED FAISAL·Filed 2016·Granted Sep 5, 2017·13 cites·19 claims
- 0786US9438371B2Linear dispersion polarization-time codes and equalization in polarization multiplexed coherent optical systemFUTUREWEI TECHNOLOGIES INC·Filed 2015·Granted Sep 6, 2016·5 cites·14 claims
- 0885US11621794B1Systems and methods for processing a subcarrier-multiplexed signalHUAWEI TECH CO LTD·Filed 2022·Granted Apr 4, 2023·1 cites·18 claims
- 0985US9479260B2Single carrier flexible bit rate transceiver for coherent optical networkFUTUREWEI TECHNOLOGIES INC·Filed 2014·Granted Oct 25, 2016·8 cites·7 claims
- 1084US8340534B2Side band pilot tone for digital signal processing in polarization multiplexed coherent optical communication systemZHANG ZHUHONG·Filed 2010·Granted Dec 25, 2012·7 cites·9 claims
- 1183US8767575B2Method and apparatus for broadband carrier frequency and phase recovery in coherent optical systemZHANG ZHUHONG·Filed 2011·Granted Jul 1, 2014·9 cites·20 claims
- 1282US9106503B1Method and apparatus for recovering time-domain hybrid modulated QAM signalsFUTUREWEI TECHNOLOGIES INC·Filed 2014·Granted Aug 11, 2015·6 cites·20 claims
- 1380US11558115B1System and method for interference cancellation in optical transmissionHUAWEI TECH CO LTD·Filed 2021·Granted Jan 17, 2023·1 cites·20 claims
- 1480US9749056B2Method and system for discrete multi-tone transmission with multiple modulationsLI CHUANDONG·Filed 2015·Granted Aug 29, 2017·4 cites·18 claims
- 1580US9350450B2Bit loading for optical discrete multi-tone transmissionHUAWEI TECH CO LTD·Filed 2014·Granted May 24, 2016·5 cites·17 claims
- 1678US9998274B2Method and apparatus for robust clock recovery in coherent optical systemsHUAWEI TECH CO LTD·Filed 2016·Granted Jun 12, 2018·3 cites·20 claims
- 1776US10686547B1Hybrid digital multi-band optical receiver and transmitterHUAWEI TECH CO LTD·Filed 2019·Granted Jun 16, 2020·2 cites·19 claims
- 1876US9608723B2Carrier-signal power ratio control in direct detection optical systemsHUAWEI TECH CO LTD·Filed 2014·Granted Mar 28, 2017·3 cites·28 claims
- 1976US9520950B2Optical communications system having chromatic dispersion and polarization mode dispersion compensationHARLEY JAMES·Filed 2008·Granted Dec 13, 2016·6 cites·23 claims
- 2074US10506311B2System and method for optical networkHUAWEI TECH CO LTD·Filed 2016·Granted Dec 10, 2019·2 cites·29 claims
- 2174US9602151B1Apparatus and method for transmitting and receiving wireless signals subject to a spectral maskZAMANI MAHDI·Filed 2015·Granted Mar 21, 2017·3 cites·16 claims
- 2274US8180228B1Programmable phase detector for sequence equalizer for optical channelsHARLEY JAMES·Filed 2008·Granted May 15, 2012·5 cites·12 claims
- 2372US9531472B2Coherent waveform conversion in optical networksFUTUREWEI TECHNOLOGIES INC·Filed 2014·Granted Dec 27, 2016·3 cites·20 claims
- 2471US8331803B2Clock recovery method for polarization multiplexed coherent optical communicationsLI CHUANDONG·Filed 2009·Granted Dec 11, 2012·4 cites·20 claims
- 2569US9641374B2Direct-detected orthogonal frequency-division multiplexing with dispersion pre-compensation digital signal processingHUAWEI TECH CO LTD·Filed 2015·Granted May 2, 2017·2 cites·18 claims
- 2669US9621391B2Methods and apparatuses to improve reception of direct detection optical signalsHUAWEI TECH CO LTD·Filed 2014·Granted Apr 11, 2017·2 cites·21 claims
- 2769US9300407B2Channel estimation for optical orthogonal frequency division multiplexing systemsFUTUREWEI TECHNOLOGIES INC·Filed 2013·Granted Mar 29, 2016·2 cites·20 claims
- 2868US10673528B1Methods and apparatuses for controlling optical signals in optical networksHUAWEI TECH CO LTD·Filed 2019·Granted Jun 2, 2020·1 cites·22 claims
- 2968US9112742B2Low-complexity, adaptive, fractionally spaced equalizer with non-integer samplingFUTUREWEI TECHNOLOGIES INC·Filed 2014·Granted Aug 18, 2015·2 cites·20 claims
- 3068US8738956B2Method and apparatus for updating a fractional time interval using time-domain interpolators in optical communicationsCHEN YUANJIE·Filed 2011·Granted May 27, 2014·4 cites·20 claims
- 3168US8737847B2Method and apparatus of using joint timing recovery for a coherent optical systemLI CHUANDONG·Filed 2012·Granted May 27, 2014·2 cites·22 claims
- 3268US8391726B2Method and apparatus for frame detection and polarization separationCHEN YUANJIE·Filed 2010·Granted Mar 5, 2013·3 cites·19 claims
- 3366US12388526B2Method and system for compressing and employing pattern dependent look-up tableHUAWEI TECH CO LTD·Filed 2023·Granted Aug 12, 2025·0 cites·6 claims
- 3466US9749723B2System and method for optical networkHUAWEI TECH CO LTD·Filed 2015·Granted Aug 29, 2017·1 cites·20 claims
- 3565US10505768B2Partially disjoint equalization and carrier recoveryABUGHALIEH NASHAT·Filed 2017·Granted Dec 10, 2019·2 cites·19 claims
- 3665US9025969B2Method with improved phase robustness in coherent detected optical systemLI CHUANDONG·Filed 2012·Granted May 5, 2015·2 cites·14 claims
- 3761US9419719B2Transmitter apparatus and methodHUAWEI TECH CO LTD·Filed 2014·Granted Aug 16, 2016·1 cites·20 claims
- 3861US8817590B2Processing information blocks for wireless transmissionTEE LAI-KING·Filed 2009·Granted Aug 26, 2014·1 cites·19 claims
- 3959US12388457B2Method and apparatus for low-complexity symbol-rate receiver digital signal processingHUAWEI TECH CO LTD·Filed 2023·Granted Aug 12, 2025·0 cites·20 claims
- 4057US12407303B2Method and system for pre-compensating non-linear distortion in data samplesHUAWEI TECH CO LTD·Filed 2023·Granted Sep 2, 2025·0 cites·12 claims
- 4156US10298323B2Generating a pilot tone for an optical telecommunications systemHUAWEI TECH CO LTD·Filed 2018·Granted May 21, 2019·0 cites·16 claims
- 4255US9520941B2Hitless, multi-rate optical transmission and receptionFUTUREWEI TECHNOLOGIES INC·Filed 2014·Granted Dec 13, 2016·0 cites·20 claims
- 4355US9386569B2Processing information blocks for wireless transmissionAPPLE INC·Filed 2014·Granted Jul 5, 2016·0 cites·20 claims
- 4455US2025141585A1Communication method and deviceHUAWEI TECH CO LTD·Filed 2023·Application pending·0 cites
- 4555US2025160784A1Systems and methods for detecting angles of hip jointsWUHAN UNITED IMAGING HEALTHCARE CO LTD·Filed 2025·Application pending·0 cites
- 4654US2024243815A1Systems and methods for in-phase and quadrature modulationHUAWEI TECH CO LTD·Filed 2024·Application pending·0 cites
- 4753US12003275B2Clock synchronization apparatus, optical transmitter, optical receiver, and clock synchronization methodHUAWEI TECH CO LTD·Filed 2021·Granted Jun 4, 2024·0 cites·19 claims
- 4853US11489595B2System and method for single-stage frequency-domain equalizationHUAWEI TECH CO LTD·Filed 2021·Granted Nov 1, 2022·0 cites·18 claims
- 4952US11038598B1Method and apparatus for transmit/receive radio frequency crosstalk compensation in a photonic integrated circuitKE JIANHONG·Filed 2020·Granted Jun 15, 2021·0 cites·25 claims
- 5052US10680718B2Trellis based processing for robust digital multiband transmissionHUAWEI TECH CO LTD·Filed 2019·Granted Jun 9, 2020·0 cites·20 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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