Intradyne, i.e., coherent receivers with a free running local oscillator having a frequency close but not phase-locked to the carrier signal

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H04B10/611

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HELECTRICITY H04Electric communication H04BTRANSMISSION H04B10/00Transmission systems employing electromagnetic waves other than radio-waves

Current Industry

H04B10/611Intradyne, i.e., coherent receivers with a free running local oscillator having a frequency close but not phase-locked to the carrier signal

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Patents Grantslast 30 patents

Information Patent Grant
Coherent optical receiver device and coherent optical receiving method
- Patent number 10,608,738
- Issue date Mar 31, 2020
- NEC Corporation
- Masao Morie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock recovery for digital subcarriers for optical networks
- Patent number 10,601,520
- Issue date Mar 24, 2020
- Infinera Corporation
- Han Henry Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pluggable optical module and optical communication system
- Patent number 10,578,802
- Issue date Mar 3, 2020
- NEC Corporation
- Yuuji Minota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Decoding a combined amplitude modulated and frequency modulated signal
- Patent number 10,516,488
- Issue date Dec 24, 2019
- Danmarks Tekniske Universitet
- Jesper Bevensee Jensen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock recovery for band-limited optical channels
- Patent number 10,505,641
- Issue date Dec 10, 2019
- Nokia Solutions and Networks Oy
- Noriaki Kaneda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and methods for cable fiber node splitting using coherent op...
- Patent number 10,498,456
- Issue date Dec 3, 2019
- Cable Television Laboratories, Inc.
- Luis Alberto Campos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical circuit
- Patent number 10,476,602
- Issue date Nov 12, 2019
- Sumitomo Electric Industries, Ltd
- Masaru Takechi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication control device and communication control system
- Patent number 10,425,167
- Issue date Sep 24, 2019
- Fujitsu Limited
- Hideki Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scrambler for a multimode optical fiber and optical transmission sy...
- Patent number 10,425,162
- Issue date Sep 24, 2019
- Institut Mines-Telecom
- Ghaya Rekaya Ben-Othman
- G02 - OPTICS
Information Patent Grant
Optical transport system employing direct-detection self-coherent r...
- Patent number 10,404,400
- Issue date Sep 3, 2019
- Nokia of America Corporation
- Xi Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coherent optical receiver device and coherent optical receiving method
- Patent number 10,389,440
- Issue date Aug 20, 2019
- NEC Corporation
- Masao Morie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock recovery for optical transmission systems
- Patent number 10,122,470
- Issue date Nov 6, 2018
- Cisco Technology, Inc.
- Christopher Fludger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for decoding a modulated signal
- Patent number 10,103,816
- Issue date Oct 16, 2018
- Xieon Networks S.a.r.l.
- Harald Rohde
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Decoding a combined amplitude modulated and frequency modulated signal
- Patent number 10,014,952
- Issue date Jul 3, 2018
- Danmarks Tekniske Universitet
- Jesper Bevensee Jensen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver, optical termination device, and optical communica...
- Patent number 10,003,410
- Issue date Jun 19, 2018
- Mitsubishi Electric Corporation
- Daisuke Mita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Polarisation-independent coherent optical receiver
- Patent number 9,755,759
- Issue date Sep 5, 2017
- Telefonaktiebolaget LM Ericsson (publ)
- Ernesto Ciaramella
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical spatial-division multiplexed transmission system and transm...
- Patent number 9,729,229
- Issue date Aug 8, 2017
- NEC Corporation
- Emmanuel Le Taillandier De Gabory
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Soft decoding of data in a coherent optical receiver
- Patent number 9,602,207
- Issue date Mar 21, 2017
- Ciena Corporation
- Amir Keyvan Khandani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reception of 2-subcarriers coherent orthogonal frequency division m...
- Patent number 9,590,833
- Issue date Mar 7, 2017
- ZTE Corporation
- Jianjun Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver, transmission system, method for receiving polarization mu...
- Patent number 9,515,743
- Issue date Dec 6, 2016
- NEC Corporation
- Kouichi Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver circuit
- Patent number 9,461,753
- Issue date Oct 4, 2016
- Fujitsu Optical Components Limited
- Shintaro Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital coherent receiving apparatus
- Patent number 9,444,554
- Issue date Sep 13, 2016
- Fujitsu Limited
- Nobukazu Koizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coherent optical receiver and optical receiving method
- Patent number 9,419,724
- Issue date Aug 16, 2016
- NEC Corporation
- Makoto Shibutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock recovery for optical transmission systems
- Patent number 9,419,726
- Issue date Aug 16, 2016
- Cisco Technology, Inc.
- Christopher Fludger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiving apparatus
- Patent number 9,379,822
- Issue date Jun 28, 2016
- Fujitsu Limited
- Hiroshi Iizuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High-speed low-jitter communication system
- Patent number 9,356,703
- Issue date May 31, 2016
- Raytheon Company
- Steven R. Wilkinson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power-efficient maximum likelihood decoding for 5 bits per dual-pol...
- Patent number 9,350,457
- Issue date May 24, 2016
- Infinera Corporation
- Ahmed Awadalla
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical phase compensation device, optical receiver, and optical ph...
- Patent number 9,325,424
- Issue date Apr 26, 2016
- Fujitsu Limited
- Noriaki Mizuguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitting/receiving system and timing extracting method...
- Patent number 9,319,141
- Issue date Apr 19, 2016
- NEC Corporation
- Manabu Arikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Full-duplex optical transceiver applicable to digital coherent system
- Patent number 9,319,142
- Issue date Apr 19, 2016
- Sumitomo Electric Industries, Ltd
- Takatoshi Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COHERENT OPTICAL RECEIVER
- Publication number 20200382217
- Publication date Dec 3, 2020
- Elenion Technologies, LLC
- Richard C. Younce
- G02 - OPTICS
Information Patent Application
PLUGGABLE OPTICAL MODULE AND OPTICAL COMMUNICATION SYSTEM
- Publication number 20200174193
- Publication date Jun 4, 2020
- NEC Corporation
- Yuuji MINOTA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHODS FOR CABLE FIBER NODE SPLITTING USING COHERENT OP...
- Publication number 20200106528
- Publication date Apr 2, 2020
- Cable Television Laboratories, Inc.
- Luis Alberto Campos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL COMBINING DEVICE AND SIGNAL COMBINING METHOD
- Publication number 20200044737
- Publication date Feb 6, 2020
- NEC Corporation
- Manabu ARIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHOTODETECTOR CIRCUIT WITH IMPROVED SATURATION CURRENT AND INTEGRAT...
- Publication number 20190391006
- Publication date Dec 26, 2019
- CIENA CORPORATION
- Francois Pelletier
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COHERENT OPTICAL RECEIVER DEVICE AND COHERENT OPTICAL RECEIVING METHOD
- Publication number 20190342004
- Publication date Nov 7, 2019
- NEC Corporation
- Masao Morie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CLOCK RECOVERY FOR BAND-LIMITED OPTICAL CHANNELS
- Publication number 20190334627
- Publication date Oct 31, 2019
- Nokia Solutions and Networks Oy
- Noriaki Kaneda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INDEPENDENTLY ROUTABLE DIGITAL SUBCARRIERS WITH CONFIGURABLE SPACIN...
- Publication number 20190245627
- Publication date Aug 8, 2019
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INDEPENDENTLY ROUTABLE DIGITAL SUBCARRIERS FOR OPTICAL COMMUNICATIO...
- Publication number 20190245626
- Publication date Aug 8, 2019
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COHERENT OPTICAL RECEIVER FOR MEDIUM- AND SHORT-REACH LINKS
- Publication number 20190074908
- Publication date Mar 7, 2019
- Nokia Solutions and Networks Oy
- Sian Chong Lee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DECODING A COMBINED AMPLITUDE MODULATED AND FREQUENCY MODULATED SIGNAL
- Publication number 20180278338
- Publication date Sep 27, 2018
- DANMARKS TEKNISKE UNIVERSITET
- Jesper Bevensee JENSEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION CONTROL DEVICE AND COMMUNICATION CONTROL SYSTEM
- Publication number 20180076902
- Publication date Mar 15, 2018
- Fujitsu Limited
- Hideki MATSUI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR DECODING A MODULATED SIGNAL
- Publication number 20170294972
- Publication date Oct 12, 2017
- Xieon Networks S.a.r.l.
- Harald ROHDE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEIVER, OPTICAL TERMINATION DEVICE, AND OPTICAL COMMUNICA...
- Publication number 20170294970
- Publication date Oct 12, 2017
- MITSUBISHI ELECTRIC CORPORATION
- Daisuke MITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CLOCK RECOVERY FOR OPTICAL TRANSMISSION SYSTEMS
- Publication number 20170005733
- Publication date Jan 5, 2017
- Cisco Technology, Inc.
- Christopher Fludger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PHASE COMPENSATION DEVICE, OPTICAL RECEIVER, AND OPTICAL PH...
- Publication number 20140363176
- Publication date Dec 11, 2014
- Fujitsu Limited
- Noriaki MIZUGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COHERENT OPTICAL RECEIVER AND OPTICAL RECEIVING METHOD
- Publication number 20140270809
- Publication date Sep 18, 2014
- MAKOTO SHIBUTANI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLAR MULTI-SYMBOL DELAY DETECTOR FOR CARRIER PHASE AND FREQUENCY R...
- Publication number 20140254723
- Publication date Sep 11, 2014
- Technion Research & Development Foundation Ltd.
- Moshe Nazarathy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOFT DECODING OF DATA IN A COHERENT OPTICAL RECEIVER
- Publication number 20140212149
- Publication date Jul 31, 2014
- CIENA CORPORATION
- Amir Keyvan KHANDANI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GENERATION OF AN OPTICAL LOCAL-OSCILLATOR SIGNAL FOR A COHERENT-DET...
- Publication number 20140199063
- Publication date Jul 17, 2014
- Alcatel-Lucent USA Inc.
- Noriaki Kaneda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL COHERENT RECEIVING APPARATUS
- Publication number 20140029959
- Publication date Jan 30, 2014
- Fujitsu Limited
- Nobukazu KOIZUMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FORWARD ERROR CORRECTION FOR AN OPTICAL TRANSPORT SYSTEM
- Publication number 20140003813
- Publication date Jan 2, 2014
- Alcatel-Lucent USA Inc.
- Timo J. Pfau
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEIVER AND OPTICAL RECEPTION METHOD
- Publication number 20130336665
- Publication date Dec 19, 2013
- NEC Corporation
- Yasuyuki Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Feed-Forward Carrier Phase Recovery for Optical Communications
- Publication number 20130329834
- Publication date Dec 12, 2013
- AT&T INTELLECTUAL PROPERTY I, L.P.
- Xiang Zhou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Signal Processing
- Publication number 20130301661
- Publication date Nov 14, 2013
- Joseph Kakande
- G02 - OPTICS
Information Patent Application
PHASE SKEW COMPENSATION AT A COHERENT OPTICAL RECEIVER
- Publication number 20130287410
- Publication date Oct 31, 2013
- Andreas Leven
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COHERENT OPTICAL RECEIVER DEVICE AND COHERENT OPTICAL RECEIVING METHOD
- Publication number 20130287393
- Publication date Oct 31, 2013
- NEC Corporation
- Masao Morie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL RECEIVER AND WAVEFORM COMPENSATION METHOD
- Publication number 20130251082
- Publication date Sep 26, 2013
- NEC Corporation
- Junichi Abe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CORRECTION OF A LOCAL-OSCILLATOR PHASE ERROR IN A COHERENT OPTICAL...
- Publication number 20130230312
- Publication date Sep 5, 2013
- Alcatel-Lucent USA Inc.
- Sebastian A. Randel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUSES, METHODS, AND SYSTEMS
- Publication number 20130216232
- Publication date Aug 22, 2013
- LEVEL 3 COMMUNICATIONS, LLC
- Raymond Zanoni
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Intradyne, i.e., coherent receivers with a free running local oscillator having a frequency close but not phase-locked to the carrier signal

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Coherent optical receiver device and coherent optical receiving method

Clock recovery for digital subcarriers for optical networks

Pluggable optical module and optical communication system

Decoding a combined amplitude modulated and frequency modulated signal

Clock recovery for band-limited optical channels

System and methods for cable fiber node splitting using coherent op...

Optical circuit

Communication control device and communication control system

Scrambler for a multimode optical fiber and optical transmission sy...

Optical transport system employing direct-detection self-coherent r...

Coherent optical receiver device and coherent optical receiving method

Clock recovery for optical transmission systems

Method and system for decoding a modulated signal

Decoding a combined amplitude modulated and frequency modulated signal

Optical receiver, optical termination device, and optical communica...

Polarisation-independent coherent optical receiver

Optical spatial-division multiplexed transmission system and transm...

Soft decoding of data in a coherent optical receiver

Reception of 2-subcarriers coherent orthogonal frequency division m...

Receiver, transmission system, method for receiving polarization mu...

Optical receiver circuit

Digital coherent receiving apparatus

Coherent optical receiver and optical receiving method

Clock recovery for optical transmission systems

Optical receiving apparatus

High-speed low-jitter communication system

Power-efficient maximum likelihood decoding for 5 bits per dual-pol...

Optical phase compensation device, optical receiver, and optical ph...

Optical transmitting/receiving system and timing extracting method...

Full-duplex optical transceiver applicable to digital coherent system

Patents Applicationslast 30 patents

COHERENT OPTICAL RECEIVER

PLUGGABLE OPTICAL MODULE AND OPTICAL COMMUNICATION SYSTEM

SYSTEM AND METHODS FOR CABLE FIBER NODE SPLITTING USING COHERENT OP...

SIGNAL COMBINING DEVICE AND SIGNAL COMBINING METHOD

PHOTODETECTOR CIRCUIT WITH IMPROVED SATURATION CURRENT AND INTEGRAT...

COHERENT OPTICAL RECEIVER DEVICE AND COHERENT OPTICAL RECEIVING METHOD

CLOCK RECOVERY FOR BAND-LIMITED OPTICAL CHANNELS

INDEPENDENTLY ROUTABLE DIGITAL SUBCARRIERS WITH CONFIGURABLE SPACIN...

INDEPENDENTLY ROUTABLE DIGITAL SUBCARRIERS FOR OPTICAL COMMUNICATIO...

COHERENT OPTICAL RECEIVER FOR MEDIUM- AND SHORT-REACH LINKS

DECODING A COMBINED AMPLITUDE MODULATED AND FREQUENCY MODULATED SIGNAL

COMMUNICATION CONTROL DEVICE AND COMMUNICATION CONTROL SYSTEM

METHOD AND SYSTEM FOR DECODING A MODULATED SIGNAL

OPTICAL RECEIVER, OPTICAL TERMINATION DEVICE, AND OPTICAL COMMUNICA...

CLOCK RECOVERY FOR OPTICAL TRANSMISSION SYSTEMS

OPTICAL PHASE COMPENSATION DEVICE, OPTICAL RECEIVER, AND OPTICAL PH...

COHERENT OPTICAL RECEIVER AND OPTICAL RECEIVING METHOD

POLAR MULTI-SYMBOL DELAY DETECTOR FOR CARRIER PHASE AND FREQUENCY R...

SOFT DECODING OF DATA IN A COHERENT OPTICAL RECEIVER

GENERATION OF AN OPTICAL LOCAL-OSCILLATOR SIGNAL FOR A COHERENT-DET...

DIGITAL COHERENT RECEIVING APPARATUS

FORWARD ERROR CORRECTION FOR AN OPTICAL TRANSPORT SYSTEM

OPTICAL RECEIVER AND OPTICAL RECEPTION METHOD

Feed-Forward Carrier Phase Recovery for Optical Communications

Optical Signal Processing

PHASE SKEW COMPENSATION AT A COHERENT OPTICAL RECEIVER

COHERENT OPTICAL RECEIVER DEVICE AND COHERENT OPTICAL RECEIVING METHOD

DIGITAL RECEIVER AND WAVEFORM COMPENSATION METHOD

CORRECTION OF A LOCAL-OSCILLATOR PHASE ERROR IN A COHERENT OPTICAL...

OPTICAL TRANSMISSION APPARATUSES, METHODS, AND SYSTEMS