Inventor · disambiguated record
Liangchuan Li
Also filed as: LI LIANGCHUAN
30 granted patents·12 pending applications·35 citations·filing 2009–2025
93Inventor score
Top patents by PatentIndex Score
42 records- 0187US8861981B2Optical signal compensation deviceHUAWEI TECH CO LTD·Filed 2013·Granted Oct 14, 2014·10 cites·17 claims
- 0286US10374722B2Signal transmitting method, signal receiving method, and related device and systemHUAWEI TECH CO LTD·Filed 2018·Granted Aug 6, 2019·5 cites·19 claims
- 0385US11342940B2Data processing method and apparatusHUAWEI TECH CO LTD·Filed 2020·Granted May 24, 2022·2 cites·20 claims
- 0478US11387907B2Optical transceiver and optical coherent receiving systemHUAWEI TECH CO LTD·Filed 2021·Granted Jul 12, 2022·1 cites·8 claims
- 0577US9379820B2Method and device for receiving multi-carrier optical signalHUAWEI TECH CO LTD·Filed 2013·Granted Jun 28, 2016·5 cites·20 claims
- 0676US10911093B2Signal transmission method, signal receiving method, related device, and systemHUAWEI TECH CO LTD·Filed 2019·Granted Feb 2, 2021·2 cites·10 claims
- 0771US8064544B2Method and device for receiving OPFDM-DQPSK signalLI LIANGCHUAN·Filed 2009·Granted Nov 22, 2011·7 cites·9 claims
- 0867US2025373356A1Communication method and related apparatusHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 0966US10193713B2Method for sending and receiving signal, and corresponding device and systemHUAWEI TECH CO LTD·Filed 2016·Granted Jan 29, 2019·1 cites·3 claims
- 1065US2025317211A1Coherent optical communication device, coherent optical communication method, and coherent optical communication systemHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 1164US11012267B2Method for receiving asynchronous-clock multi-transmitter data, and receiverHUAWEI TECH CO LTD·Filed 2019·Granted May 18, 2021·1 cites·16 claims
- 1264US2025293909A1Communication method, apparatus, system, and storage mediumHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 1363US10778253B2Data processing method and apparatusHUAWEI TECH CO LTD·Filed 2018·Granted Sep 15, 2020·1 cites·12 claims
- 1461US2025260914A1Carrier Allocation Method and Apparatus in Optical Communication NetworkHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 1561US2025211338A1Optical receiving module, optical receiving device, and frequency adjustment methodHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 1657US2025158717A1Transmission method and related deviceHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 1755US2025168542A1Data processing method and related apparatusHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 1854US10958352B2Signal transmitting method, signal receiving method, and related device and systemHUAWEI TECH CO LTD·Filed 2019·Granted Mar 23, 2021·0 cites·19 claims
- 1952US2024236532A1Upstream transmission resource allocation method and related deviceHUAWEI TECH CO LTD·Filed 2024·Application pending·0 cites
- 2051US11967996B2Frequency domain equalization method, equalizer, optical receiver, and systemHUAWEI TECH CO LTD·Filed 2022·Granted Apr 23, 2024·0 cites·15 claims
- 2150US11817908B2Coherent optical receiving apparatus and optical system that uses coherent optical receiving apparatusHUAWEI TECH CO LTD·Filed 2022·Granted Nov 14, 2023·0 cites·20 claims
- 2250US10805032B2Data transmission method, terminal device, and network side deviceHUAWEI TECH CO LTD·Filed 2019·Granted Oct 13, 2020·0 cites·14 claims
- 2350US9467311B2Method for sending and receiving signal, and corresponding device and systemHUAWEI TECH CO LTD·Filed 2016·Granted Oct 11, 2016·0 cites·7 claims
- 2449US12512912B2Optical module, processing component, plug component, system, and methodHUAWEI TECH CO LTD·Filed 2023·Granted Dec 30, 2025·0 cites·20 claims
- 2548US12341559B2Optical transceiver apparatus and optical signal processing methodHUAWEI TECH CO LTD·Filed 2023·Granted Jun 24, 2025·0 cites·20 claims
- 2646US10616015B2Signal processing system and method, and apparatusHUAWEI TECH CO LTD·Filed 2018·Granted Apr 7, 2020·0 cites·15 claims
- 2746US9537619B2Processing method for orthogonal frequency division multiplexing signal and network deviceHUAWEI TECH CO LTD·Filed 2016·Granted Jan 3, 2017·0 cites·11 claims
- 2845US8995831B2Method and apparatus for processing optical signalsHUAWEI TECH CO LTD·Filed 2012·Granted Mar 31, 2015·0 cites·15 claims
- 2944US10116400B2Optical signal frequency calibration method and deviceHUAWEI TECH CO LTD·Filed 2017·Granted Oct 30, 2018·0 cites·20 claims
- 3044US2021367679A1Coherent Optical Receiving Apparatus and Optical Signal Demodulation ApparatusHUAWEI TECH CO LTD·Filed 2021·Application pending·0 cites
- 3143US11018775B2Optical transmitter, optical receiver, and optical transmission methodHUAWEI TECH CO LTD·Filed 2020·Granted May 25, 2021·0 cites·5 claims
- 3242US10993004B2Optical device and optical signal processing methodHUAWEI TECH CO LTD·Filed 2020·Granted Apr 27, 2021·0 cites·18 claims
- 3341US10630419B2Receiver and data receiving methodHUAWEI TECH CO LTD·Filed 2019·Granted Apr 21, 2020·0 cites·17 claims
- 3441US9432226B2Channel equalization method and apparatus, and receiverHUAWEI TECH CO LTD·Filed 2015·Granted Aug 30, 2016·0 cites·19 claims
- 3540US2013024741A1Data processing method, data processing system, and receiverHUAWEI TECH CO LTD·Filed 2012·Application pending·0 cites
- 3639US10313016B2Data transmission and receiving methods based on orthogonal frequency division multiplexing technology, and apparatusHUAWEI TECH CO LTD·Filed 2017·Granted Jun 4, 2019·0 cites·14 claims
- 3738US11082135B2Apparatus and method for processing a digital signal in a frequency domain linear equalizerHUAWEI TECH CO LTD·Filed 2018·Granted Aug 3, 2021·0 cites·14 claims
- 3837US9906310B2Signal receiving method and receiverHUAWEI TECH CO LTD·Filed 2016·Granted Feb 27, 2018·0 cites·17 claims
- 3937US9521022B2Cycle-slip detection method and apparatus, and receiverHUAWEI TECH CO LTD·Filed 2016·Granted Dec 13, 2016·0 cites·11 claims
- 4036US9094131B2Signal generating method and apparatusHUAWEI TECH CO LTD·Filed 2012·Granted Jul 28, 2015·0 cites·12 claims
- 4134US2011206375A1Method, device, and system for optical polarization division multiplexing of optical carrierHUAWEI TECH CO LTD·Filed 2011·Application pending·0 cites
- 4230US2011110663A1Method, device, and system for realizing polarization mode dispersion compensationHUAWEI TECH CO LTD·Filed 2011·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Liangchuan Li files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →