Liangchuan Li

Person

Shenzhen, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Frequency domain equalization method, equalizer, optical receiver,...
- Patent number 11,967,996
- Issue date Apr 23, 2024
- Huawei Technologies Co., Ltd.
- Jilong Han
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coherent optical receiving apparatus and optical system that uses c...
- Patent number 11,817,908
- Issue date Nov 14, 2023
- Huawei Technologies Co., Ltd.
- Tao Gui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coherent optical receiving apparatus and optical system that uses c...
- Patent number 11,777,611
- Issue date Oct 3, 2023
- Huawei Technologies Co., Ltd.
- Tao Gui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transceiver and optical coherent receiving system
- Patent number 11,387,907
- Issue date Jul 12, 2022
- Huawei Technologies Co., Ltd.
- Ping Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data processing method and apparatus
- Patent number 11,342,940
- Issue date May 24, 2022
- Huawei Technologies Co., Ltd.
- Zhiyu Xiao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus and method for processing a digital signal in a frequency...
- Patent number 11,082,135
- Issue date Aug 3, 2021
- Huawei Technologies Co., Ltd.
- Michael Zarubinsky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter, optical receiver, and optical transmission method
- Patent number 11,018,775
- Issue date May 25, 2021
- Huawei Technologies Co., Ltd.
- Yi Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for receiving asynchronous-clock multi-transmitter data, and...
- Patent number 11,012,267
- Issue date May 18, 2021
- Huawei Technologies Co., Ltd.
- Yuanda Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical device and optical signal processing method
- Patent number 10,993,004
- Issue date Apr 27, 2021
- Huawei Technologies Co., Ltd.
- Yanzhao Lu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal transmitting method, signal receiving method, and related de...
- Patent number 10,958,352
- Issue date Mar 23, 2021
- HUAWEI TECHNOLOGIES CO., LTD.
- Yuanda Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal transmission method, signal receiving method, related device...
- Patent number 10,911,093
- Issue date Feb 2, 2021
- Huawei Technologies Co., Ltd.
- Yi Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transmission method, terminal device, and network side device
- Patent number 10,805,032
- Issue date Oct 13, 2020
- Huawei Technologies Co., Ltd.
- Xie Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data processing method and apparatus
- Patent number 10,778,253
- Issue date Sep 15, 2020
- Huawei Technologies Co., Ltd.
- Zhiyu Xiao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Receiver and data receiving method
- Patent number 10,630,419
- Issue date Apr 21, 2020
- Huawei Technologies Co., Ltd.
- Xie Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing system and method, and apparatus
- Patent number 10,616,015
- Issue date Apr 7, 2020
- Huawei Technologies Co., Ltd.
- Ling Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal transmitting method, signal receiving method, and related de...
- Patent number 10,374,722
- Issue date Aug 6, 2019
- Huawei Technologies Co., Ltd.
- Yuanda Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transmission and receiving methods based on orthogonal frequen...
- Patent number 10,313,016
- Issue date Jun 4, 2019
- Huawei Technologies Co., Ltd.
- Yuanyuan Fang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for sending and receiving signal, and corresponding device a...
- Patent number 10,193,713
- Issue date Jan 29, 2019
- Huawei Technologies Co., Ltd.
- Liangchuan Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal frequency calibration method and device
- Patent number 10,116,400
- Issue date Oct 30, 2018
- Huawei Technologies Co., Ltd.
- Yuanda Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal receiving method and receiver
- Patent number 9,906,310
- Issue date Feb 27, 2018
- Huawei Technologies Co., Ltd.
- Ling Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Processing method for orthogonal frequency division multiplexing si...
- Patent number 9,537,619
- Issue date Jan 3, 2017
- Huawei Technologies Co., Ltd.
- Qiang Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cycle-slip detection method and apparatus, and receiver
- Patent number 9,521,022
- Issue date Dec 13, 2016
- Huawei Technologies Co., Ltd.
- Ling Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for sending and receiving signal, and corresponding device a...
- Patent number 9,467,311
- Issue date Oct 11, 2016
- Huawei Technologies Co., Ltd.
- Liangchuan Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Channel equalization method and apparatus, and receiver
- Patent number 9,432,226
- Issue date Aug 30, 2016
- Huawei Technologies Co., Ltd.
- Yuanyuan Fang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for receiving multi-carrier optical signal
- Patent number 9,379,820
- Issue date Jun 28, 2016
- Huawei Technologies Co., Ltd.
- Yuanda Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal generating method and apparatus
- Patent number 9,094,131
- Issue date Jul 28, 2015
- Huawei Technologies Co., Ltd.
- Lei Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for processing optical signals
- Patent number 8,995,831
- Issue date Mar 31, 2015
- Huawei Technologies Co., Ltd.
- Liangchuan Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal compensation device
- Patent number 8,861,981
- Issue date Oct 14, 2014
- Huawei Technologies Co., Ltd.
- Ling Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for receiving OPFDM-DQPSK signal
- Patent number 8,064,544
- Issue date Nov 22, 2011
- Huawei Technologies Co., Ltd.
- Liangchuan Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
TRANSMISSION METHOD AND RELATED DEVICE
- Publication number 20250158717
- Publication date May 15, 2025
- Huawei Technologies Co., Ltd
- Qiguang Feng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MODULE, PROCESSING COMPONENT, PLUG COMPONENT, SYSTEM, AND M...
- Publication number 20230344519
- Publication date Oct 26, 2023
- Huawei Technologies Co., Ltd
- Tao GUI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE AND SYSTEM
- Publication number 20230275670
- Publication date Aug 31, 2023
- Huawei Technologies Co., Ltd
- Shuai YUAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSCEIVER APPARATUS AND OPTICAL SIGNAL PROCESSING METHOD
- Publication number 20230198620
- Publication date Jun 22, 2023
- Huawei Technologies Co., Ltd
- Yanzhao LU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Coherent Optical Receiving Apparatus and Optical System that Uses C...
- Publication number 20220345224
- Publication date Oct 27, 2022
- Huawei Technologies Co., Ltd
- Tao Gui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREQUENCY DOMAIN EQUALIZATION METHOD, EQUALIZER, OPTICAL RECEIVER,...
- Publication number 20220321232
- Publication date Oct 6, 2022
- Huawei Technologies Co., Ltd
- Jilong HAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Coherent Optical Receiving Apparatus and Optical Signal Demodulatio...
- Publication number 20210367679
- Publication date Nov 25, 2021
- Huawei Technologies Co., Ltd
- Ping Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSCEIVER AND OPTICAL COHERENT RECEIVING SYSTEM
- Publication number 20210234614
- Publication date Jul 29, 2021
- Huawei Technologies Co., Ltd
- Ping ZHAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data Processing Method and Apparatus
- Publication number 20200403639
- Publication date Dec 24, 2020
- Huawei Technologies Co., Ltd
- Zhiyu Xiao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OPTICAL DEVICE AND OPTICAL SIGNAL PROCESSING METHOD
- Publication number 20200366977
- Publication date Nov 19, 2020
- Huawei Technologies Co., Ltd
- Yanzhao LU
- G02 - OPTICS
Information Patent Application
OPTICAL TRANSMITTER, OPTICAL RECEIVER, AND OPTICAL TRANSMISSION METHOD
- Publication number 20200186255
- Publication date Jun 11, 2020
- Huawei Technologies Co., Ltd
- Yi YU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL TRANSMISSION METHOD, SIGNAL RECEIVING METHOD, RELATED DEVICE...
- Publication number 20200014418
- Publication date Jan 9, 2020
- Huawei Technologies Co., Ltd
- Yi YU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL TRANSMITTING METHOD, SIGNAL RECEIVING METHOD, AND RELATED DE...
- Publication number 20190342008
- Publication date Nov 7, 2019
- Huawei Technologies Co., Ltd
- Yuanda HUANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA TRANSMISSION METHOD, TERMINAL DEVICE, AND NETWORK SIDE DEVICE
- Publication number 20190296848
- Publication date Sep 26, 2019
- Huawei Technologies Co., Ltd
- Xie WANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR RECEIVING ASYNCHRONOUS-CLOCK MULTI-TRANSMITTER DATA, AND...
- Publication number 20190253285
- Publication date Aug 15, 2019
- Huawei Technologies Co., Ltd
- Yuanda HUANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVER AND DATA RECEIVING METHOD
- Publication number 20190253177
- Publication date Aug 15, 2019
- Huawei Technologies Co., Ltd
- Xie WANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR PROCESSING A DIGITAL SIGNAL IN A FREQUENCY...
- Publication number 20190123834
- Publication date Apr 25, 2019
- Huawei Technologies Co., Ltd
- Michael Zarubinsky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL TRANSMITTING METHOD, SIGNAL RECEIVING METHOD, AND RELATED DE...
- Publication number 20180287708
- Publication date Oct 4, 2018
- Huawei Technologies Co., Ltd
- Yuanda HUANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING SYSTEM AND METHOD, AND APPARATUS
- Publication number 20180278448
- Publication date Sep 27, 2018
- Huawei Technologies Co., Ltd
- Ling Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data Processing Method and Apparatus
- Publication number 20180248565
- Publication date Aug 30, 2018
- Huawei Technologies Co., Ltd
- Zhiyu Xiao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DATA TRANSMISSION AND RECEIVING METHODS BASED ON ORTHOGONAL FREQUEN...
- Publication number 20180138984
- Publication date May 17, 2018
- Huawei Technologies Co., Ltd
- Yuanyuan Fang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SIGNAL FREQUENCY CALIBRATION METHOD AND DEVICE
- Publication number 20180006740
- Publication date Jan 4, 2018
- Huawei Technologies Co., Ltd
- Yuanda HUANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL RECEIVING METHOD AND RECEIVER
- Publication number 20170048004
- Publication date Feb 16, 2017
- Huawei Technologies Co., Ltd
- Ling Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for Sending and Receiving Signal, and Corresponding Device a...
- Publication number 20170012802
- Publication date Jan 12, 2017
- Huawei Technologies Co., Ltd
- Liangchuan Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROCESSING METHOD FOR ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SI...
- Publication number 20160233993
- Publication date Aug 11, 2016
- Huawei Technologies Co., Ltd
- Qiang Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for Sending and Receiving Signal, and Corresponding Device a...
- Publication number 20160204961
- Publication date Jul 14, 2016
- Huawei Technologies Co., Ltd
- Liangchuan Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CYCLE-SLIP DETECTION METHOD AND APPARATUS, AND RECEIVER
- Publication number 20160134449
- Publication date May 12, 2016
- Huawei Technologies Co., Ltd
- Ling Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CHANNEL EQUALIZATION METHOD AND APPARATUS, AND RECEIVER
- Publication number 20160050087
- Publication date Feb 18, 2016
- Huawei Technologies Co., Ltd
- Yuanyuan Fang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SIGNAL COMPENSATION DEVICE
- Publication number 20140093255
- Publication date Apr 3, 2014
- Huawei Technologies Co., Ltd
- Ling Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR RECEIVING MULTI-CARRIER OPTICAL SIGNAL
- Publication number 20130209098
- Publication date Aug 15, 2013
- Huawei Technologies Co., Ltd
- Yuanda Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Liangchuan Li

Person

Patents Grantslast 30 patents

Frequency domain equalization method, equalizer, optical receiver,...

Coherent optical receiving apparatus and optical system that uses c...

Coherent optical receiving apparatus and optical system that uses c...

Optical transceiver and optical coherent receiving system

Data processing method and apparatus

Apparatus and method for processing a digital signal in a frequency...

Optical transmitter, optical receiver, and optical transmission method

Method for receiving asynchronous-clock multi-transmitter data, and...

Optical device and optical signal processing method

Signal transmitting method, signal receiving method, and related de...

Signal transmission method, signal receiving method, related device...

Data transmission method, terminal device, and network side device

Data processing method and apparatus

Receiver and data receiving method

Signal processing system and method, and apparatus

Signal transmitting method, signal receiving method, and related de...

Data transmission and receiving methods based on orthogonal frequen...

Method for sending and receiving signal, and corresponding device a...

Optical signal frequency calibration method and device

Signal receiving method and receiver

Processing method for orthogonal frequency division multiplexing si...

Cycle-slip detection method and apparatus, and receiver

Method for sending and receiving signal, and corresponding device a...

Channel equalization method and apparatus, and receiver

Method and device for receiving multi-carrier optical signal

Signal generating method and apparatus

Method and apparatus for processing optical signals

Optical signal compensation device

Method and device for receiving OPFDM-DQPSK signal

Patents Applicationslast 30 patents

TRANSMISSION METHOD AND RELATED DEVICE

OPTICAL MODULE, PROCESSING COMPONENT, PLUG COMPONENT, SYSTEM, AND M...

OPTICAL TRANSMISSION DEVICE AND SYSTEM

OPTICAL TRANSCEIVER APPARATUS AND OPTICAL SIGNAL PROCESSING METHOD

Coherent Optical Receiving Apparatus and Optical System that Uses C...

FREQUENCY DOMAIN EQUALIZATION METHOD, EQUALIZER, OPTICAL RECEIVER,...

Coherent Optical Receiving Apparatus and Optical Signal Demodulatio...

OPTICAL TRANSCEIVER AND OPTICAL COHERENT RECEIVING SYSTEM

Data Processing Method and Apparatus

OPTICAL DEVICE AND OPTICAL SIGNAL PROCESSING METHOD

OPTICAL TRANSMITTER, OPTICAL RECEIVER, AND OPTICAL TRANSMISSION METHOD

SIGNAL TRANSMISSION METHOD, SIGNAL RECEIVING METHOD, RELATED DEVICE...

SIGNAL TRANSMITTING METHOD, SIGNAL RECEIVING METHOD, AND RELATED DE...

DATA TRANSMISSION METHOD, TERMINAL DEVICE, AND NETWORK SIDE DEVICE

METHOD FOR RECEIVING ASYNCHRONOUS-CLOCK MULTI-TRANSMITTER DATA, AND...

RECEIVER AND DATA RECEIVING METHOD

APPARATUS AND METHOD FOR PROCESSING A DIGITAL SIGNAL IN A FREQUENCY...

SIGNAL TRANSMITTING METHOD, SIGNAL RECEIVING METHOD, AND RELATED DE...

SIGNAL PROCESSING SYSTEM AND METHOD, AND APPARATUS

Data Processing Method and Apparatus

DATA TRANSMISSION AND RECEIVING METHODS BASED ON ORTHOGONAL FREQUEN...

OPTICAL SIGNAL FREQUENCY CALIBRATION METHOD AND DEVICE

SIGNAL RECEIVING METHOD AND RECEIVER

Method for Sending and Receiving Signal, and Corresponding Device a...

PROCESSING METHOD FOR ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SI...

Method for Sending and Receiving Signal, and Corresponding Device a...

CYCLE-SLIP DETECTION METHOD AND APPARATUS, AND RECEIVER

CHANNEL EQUALIZATION METHOD AND APPARATUS, AND RECEIVER

OPTICAL SIGNAL COMPENSATION DEVICE

METHOD AND DEVICE FOR RECEIVING MULTI-CARRIER OPTICAL SIGNAL