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Modulated-carrier systems
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H04L27/3818
using coherent demodulation
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last 30 patents
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Patent Grant
Systems and methods for synchronization by transceivers with OQPSK...
Patent number
11,855,681
Issue date
Dec 26, 2023
Guangzhou On-Bright Electronics Co., Ltd.
Jiaqiang Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Preamble symbol receiving method and device
Patent number
11,799,706
Issue date
Oct 24, 2023
SHANGHAI NATIONAL ENGINEERING RESEARCH CENTER OF DIGITAL TELEVISION CO., LTD.
Ge Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for nonlinear compensation of coherent high-capacity high-or...
Patent number
11,777,612
Issue date
Oct 3, 2023
Soochow University
Mingyi Gao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal specification identification apparatus, control circuit, and...
Patent number
11,765,007
Issue date
Sep 19, 2023
Mitsubishi Electric Corporation
Yasutaka Yamashita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device and method for modulating information
Patent number
11,477,063
Issue date
Oct 18, 2022
The Secretary of State for Foreign and Commonwealth Affairs
Nigel James Tolson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device and method for improved demodulation of multiple modulation...
Patent number
11,463,290
Issue date
Oct 4, 2022
The Secretary of State for Foreign and Commonwealth Affairs
Nigel James Tolson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for receiving quadrature amplitude modulated “...
Patent number
11,405,256
Issue date
Aug 2, 2022
Cisco Technology, Inc.
Andreas Bernhard Bisplinghoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and devices generating a calibration signal for an IQ imbal...
Patent number
11,088,891
Issue date
Aug 10, 2021
Intel Corporation
Elan Banin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video inspection systems and methods using self-synchronizing QAM
Patent number
11,088,890
Issue date
Aug 10, 2021
SeeScan, Inc.
Stephanie M. Bench
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mitigating optical modulator impairment for coherent optical commun...
Patent number
11,082,280
Issue date
Aug 3, 2021
Google LLC
Hong Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Preamble symbol receiving method and device
Patent number
11,071,072
Issue date
Jul 20, 2021
Ge Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device capable of compensating for amplitude-modulation to phase mo...
Patent number
10,938,618
Issue date
Mar 2, 2021
Realtek Semiconductor Corporation
Wen-Shan Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems and methods for synchronization by transceivers with OQPSK...
Patent number
10,879,951
Issue date
Dec 29, 2020
Guangzhou On-Bright Electronics Co., Ltd.
Jiaqiang Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods, systems, and articles of manufacture for joint decoding of...
Patent number
10,833,725
Issue date
Nov 10, 2020
Carnegie Mellon University
Adwait Dongare
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Methods, systems, and articles of manufacture for joint decoding of...
Patent number
10,735,047
Issue date
Aug 4, 2020
Carnegie Mellon University
Adwait Dongare
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Receiver, a plurality of transmitters, a method of receiving user d...
Patent number
10,693,701
Issue date
Jun 23, 2020
ALCATEL LUCENT
Dong Fang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Divided data transmitting and receiving system
Patent number
10,601,631
Issue date
Mar 24, 2020
SOCIONEXT INC.
Hisateru Kobatake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical signal reception apparatus, optical communication system, a...
Patent number
10,530,489
Issue date
Jan 7, 2020
NEC Corporation
Wakako Yasuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuits for amplitude demodulation and related methods
Patent number
10,491,437
Issue date
Nov 26, 2019
MediaTek Singapore Pte Ltd.
Junmin Cao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mitigating optical modulator impairment for coherent optical commun...
Patent number
10,484,230
Issue date
Nov 19, 2019
Google LLC
Hong Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coherent optical reception device
Patent number
10,389,452
Issue date
Aug 20, 2019
Nippon Telegraph and Telephone Corporation
Kengo Horikoshi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Detection in dynamic channels with high carrier frequency offset
Patent number
10,334,550
Issue date
Jun 25, 2019
One Media, LLC
Zahir Jaffer Raza
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatuses for algorithm on QAM coherent optical detection
Patent number
10,305,620
Issue date
May 28, 2019
ZTE (USA) Inc.
Jianjun Yu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Divided data transmitting and receiving system
Patent number
10,225,128
Issue date
Mar 5, 2019
SOCIONEXT INC.
Hisateru Kobatake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and device for canceling a bias of a radio channel sequence
Patent number
10,044,533
Issue date
Aug 7, 2018
Intel IP Corporation
Thomas Esch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and apparatus and associated methods for multiple channel si...
Patent number
9,992,050
Issue date
Jun 5, 2018
Keysight Technologies, Inc.
Hong-Wei Kong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Efficient methods and recursive/scalable circuit architectures for...
Patent number
9,917,723
Issue date
Mar 13, 2018
FutureWei Technologies, Inc.
Guosen Yue
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and wireless communication device for estimating frequency o...
Patent number
9,882,760
Issue date
Jan 30, 2018
Telefonaktiebolaget LM Ericsson (publ)
Zhiheng Guo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power adjustment of in-phase and quadrature components at a coheren...
Patent number
9,660,732
Issue date
May 23, 2017
Alcatel Lucent
Stefan Weisser
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Demodulator apparatus and demodulation method
Patent number
9,634,879
Issue date
Apr 25, 2017
Fujitsu Limited
Shunji Miyazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Transmission Methods Of Probabilistic Shaping Modulation In Wireles...
Publication number
20240333424
Publication date
Oct 3, 2024
MEDIATEK INC.
Shengquan Hu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR NONLINEAR COMPENSATION OF COHERENT HIGH-CAPACITY HIGH-OR...
Publication number
20230179307
Publication date
Jun 8, 2023
SOOCHOW UNIVERSITY
Mingyi GAO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL SPECIFICATION IDENTIFICATION APPARATUS, CONTROL CIRCUIT, AND...
Publication number
20230155868
Publication date
May 18, 2023
Mitsubishi Electric Corporation
Yasutaka Yamashita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR RECEIVING QUADRATURE AMPLITUDE MODULATED "...
Publication number
20220045895
Publication date
Feb 10, 2022
Cisco Technology, Inc.
Andreas Bernhard Bisplinghoff
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DEVICE AND METHOD FOR IMPROVED DEMODULATION OF MULTIPLE MODULATION...
Publication number
20210392019
Publication date
Dec 16, 2021
THE SECRETARY OF STATE FOR FOREIGN AND COMMONWEALTH AFFAIRS, ACTING THROUGH T...
NIGEL JAMES TOLSON
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMPROVED DEVICE AND METHOD FOR MODULATING INFORMATION
Publication number
20210392020
Publication date
Dec 16, 2021
THE SECRETARY OF STATE FOR FOREIGN AND COMMONWEALTH AFFAIRS, ACTING THROUGH T...
NIGEL JAMES TOLSON
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PREAMBLE SYMBOL RECEIVING METHOD AND DEVICE
Publication number
20210392596
Publication date
Dec 16, 2021
Shanghai National Engineering Research Center of Digital Television Co.,Ltd.
Ge Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS AND METHODS FOR SYNCHRONIZATION BY TRANSCEIVERS WITH OQPSK...
Publication number
20210159939
Publication date
May 27, 2021
GUANGZHOU ON-BRIGHT ELECTRONICS CO., LTD.
Jiaqiang Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS, SYSTEMS, AND ARTICLES OF MANUFACTURE FOR JOINT DECODING OF...
Publication number
20200304169
Publication date
Sep 24, 2020
Carnegie Mellon University
Adwait Dongare
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
COFDMSigbaling Using SCM with Labeling Diversity in Dual Carrier Mo...
Publication number
20200195487
Publication date
Jun 18, 2020
Allen LeRoy Limberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Device capable of compensating for amplitude-modulation to phase-mo...
Publication number
20200195489
Publication date
Jun 18, 2020
REALTEK SEMICONDUCTOR CORPORATION
WEN-SHAN WANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS AND METHODS FOR SYNCHRONIZATION BY TRANSCEIVERS WITH OQPSK...
Publication number
20200059261
Publication date
Feb 20, 2020
GUANGZHOU ON-BRIGHT ELECTRONICS CO., LTD.
Jiaqiang Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mitigating Optical Modulator Impairment For Coherent Optical Commun...
Publication number
20200036568
Publication date
Jan 30, 2020
Google LLC
Hong Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS, SYSTEMS, AND ARTICLES OF MANUFACTURE FOR JOINT DECODING OF...
Publication number
20190312610
Publication date
Oct 10, 2019
Carnegie Mellon University CTTEC
Adwait Dongare
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PHASE RECOVERY FOR SIGNALS WITH QUADRATURE AMPLITUDE MODULATION
Publication number
20190123832
Publication date
Apr 25, 2019
Roshmere, Inc.
Nikola Alic
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SIGNAL RECEPTION APPARATUS, OPTICAL COMMUNICATION SYSTEM, A...
Publication number
20190115983
Publication date
Apr 18, 2019
NEC Corporation
Wakako YASUDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MITIGATING OPTICAL MODULATOR IMPAIRMENT FOR COHERENT OPTICAL COMMUN...
Publication number
20180316541
Publication date
Nov 1, 2018
Google LLC
Hong Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
A RECEIVER, A PLURALITY OF TRANSMITTERS, A METHOD OF RECEIVING USER...
Publication number
20180248739
Publication date
Aug 30, 2018
Alcatel Lucent
Dong Fang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CIRCUITS FOR AMPLITUDE DEMODULATION AND RELATED METHODS
Publication number
20180198653
Publication date
Jul 12, 2018
MEDIATEK SINGAPORE PTE. LTD.
Junmin Cao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND WIRELESS COMMUNICATION DEVICE FOR ESTIMATING FREQUENCY O...
Publication number
20170279652
Publication date
Sep 28, 2017
Telefonaktiebolaget LM Ericsson (publ)
Zhiheng Guo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EFFICIENT METHODS AND RECURSIVE/SCALABLE CIRCUIT ARCHITECTURES FOR...
Publication number
20170264478
Publication date
Sep 14, 2017
FutureWei Technologies, Inc.
Guosen Yue
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DEMODULATOR APPARATUS AND DEMODULATION METHOD
Publication number
20160254939
Publication date
Sep 1, 2016
Fujitsu Limited
Shunji MIYAZAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BLIND EQUALIZATION OF DUAL SUBCARRIER OFDM SIGNALS
Publication number
20160112143
Publication date
Apr 21, 2016
ZTE Corporation
Jianjun Yu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COHERENT RECEPTION WITH NOISY CHANNEL STATE INFORMATION
Publication number
20150358116
Publication date
Dec 10, 2015
TELEFONAKTIEBOLAGET L M ERICSSON (publ)
Ali S. Khayrallah
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPLICATIONS OF UNIVERSAL FREQUENCY TRANSLATION
Publication number
20150215151
Publication date
Jul 30, 2015
ParkerVision, Inc.
David F. Sorrells
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POWER-EFFICIENT MAXIMUM LIKELIHOOD DECODING FOR 5 BITS PER DUAL-POL...
Publication number
20150188641
Publication date
Jul 2, 2015
Infinera Corp.
Ahmed AWADALLA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIGITAL FILTER, PARTIAL RESPONSE EQUALIZER, AND DIGITAL COHERENT RE...
Publication number
20140369398
Publication date
Dec 18, 2014
ZTE (USA) INC.
Jianjun Yu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUSES FOR ALGORITHM ON QAM COHERENT OPTICAL DETECTION
Publication number
20140341236
Publication date
Nov 20, 2014
ZTE (USA) INC.
Jianjun Yu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ORTHOGONAL TRANSFORM ERROR CORRECTOR
Publication number
20140301516
Publication date
Oct 9, 2014
Hiroki MOURI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD
Publication number
20140286638
Publication date
Sep 25, 2014
Wakako Yasuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE