Patents-Review.com
ClassID:

223935 ⎘

H04B10/6164 - CPC Classification

Classification description:

Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication; Receivers; Coherent receivers; Details of the electronic signal processing in coherent optical receivers Estimation or correction of the frequency offset between the received optical signal and the optical local oscillator

Recent Application in this class:
#1
20260106673
2026-04-16

COHERENT OPTICAL RECEIVING METHOD AND RECEIVER

 #2
20260100764
2026-04-09

SIGNAL PROCESSING CIRCUIT, OPTICAL SIGNAL RECEIVING DEVICE, AND SIGNAL PROCESSING METHOD

 #3
20260066996
2026-03-05

WIRELESS RECEPTION DEVICE

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20260058733
2026-02-26

DYNAMIC POWER CONSUMPTION MANAGEMENT SYSTEM

 #5
20250392394
2025-12-25

TRANSMITTER-RECEIVER INTERMEDIATE FREQUENCY (IF)-ASSISTED DECOMPOSITION OF SYSTEM TRANSFER FUNCTION

 #6
20250323732
2025-10-16

ESTIMATION APPARATUS, ESTIMATION METHOD AND PROGRAM

 #7
20250309996
2025-10-02

OPTICAL RECEIVER AND SIGNAL PROCESSING METHOD

 #8
20250309828
2025-10-02

Electronic Devices with Low Phase Noise Frequency Generation

 #9
20250293783
2025-09-18

PPM FREQUENCY ERROR TRACKING WITH LANE-STATUS MONITORING SYSTEM FOR MULTI-LANE DIRECT-DETECT TRANSCEIVERS

 #10
20250279830
2025-09-04

OPTICAL COMMUNICATION SYSTEM FOR PASSIVE OPTICAL NETWORKS AND HIGH DATA RATE COMMUNICATION

 #11
20250279829
2025-09-04

BIDIRECTIONAL SYSTEM FOR OPTICAL PROCESSING

 #12
20250279798
2025-09-04

Adaptive Control and Testing System for an Adaptive Receiver

 #13
20250253947
2025-08-07

METHOD AND SYSTEM FOR BIDIRECTIONAL OPTICAL COMMUNICATION WITH PHASE SHIFTING

 #14
20250247151
2025-07-31

Band-converted transmission of RF over fiber

 #15
20250211338
2025-06-26

OPTICAL RECEIVING MODULE, OPTICAL RECEIVING DEVICE, AND FREQUENCY ADJUSTMENT METHOD

 #16
20250211337
2025-06-26

DATA SYNCHRONIZATION IN OPTICAL NETWORKS AND DEVICES

 #17
20250202596
2025-06-19

JOINT CLASSICAL AND QUANTUM OPTICAL COMMUNICATIONS

 #18
20250202594
2025-06-19

SYSTEMS AND METHODS FOR COHERENT OPTICS IN AN ACCESS NETWORK

 #19
20250192895
2025-06-12

DATA SYNCHRONIZATION IN OPTICAL NETWORKS AND DEVICES

 #20
20250192894
2025-06-12

DATA SYNCHRONIZATION IN OPTICAL NETWORKS AND DEVICES

 #21
20250192893
2025-06-12

DIGITAL SIGNAL PROCESSING FOR BURST-MODE COHERENT OPTICAL PACKET DETECTION

 #22
20250096905
2025-03-20

Distribution of Optical Local-Oscillator Comb for Spectral Channelizing of RF Signal

 #23
20250038859
2025-01-30

Coherent receiver having low VOA-induced phase changes

 #24
20240405870
2024-12-05

Bi-directional optical communication system

 #25
20240396640
2024-11-28

FREQUENCY DEVIATION COMPENSATION SCHEME AND FREQUENCY DEVIATION COMPENSATION METHOD

 #26
20240388366
2024-11-21

OPTICAL COHERENT RECEIVER ON A CHIP

 #27
20240364427
2024-10-31

Systems and Methods for Fast Burst Data Link Acquisition

 #28
20240364426
2024-10-31

COHERENT OPTICAL RECEIVER WITH TUNABLE LOCAL OSCILLATOR

 #29
20240178921
2024-05-30

OPTICAL RECEIVING APPARATUS AND FREQUENCY OFFSET COMPENSATION METHOD

 #30
20240121006
2024-04-11

COHERENT DETECTION METHOD AND APPARATUS, AND OPTICAL TRANSMISSION SYSTEM

 #31
20240031036
2024-01-25

OPTICAL MODULE, WAVELENGTH ADAPTIVE COHERENT OPTICAL COMMUNICATION METHOD, AND COMPUTER STORAGE MEDIUM

 #32
20230361882
2023-11-09

Frequency deviation compensation scheme and frequency deviation compensation method

 #33
20230353093
2023-11-02

Electronic devices with low phase noise frequency generation

 #34
20230344523
2023-10-26

COHERENT OPTICAL RECEIVER, AND OPTICAL COMMUNICATION DEVICE AND SYSTEM

 #35
20230299855
2023-09-21

Coherent receiver having low VOA-induced phase changes

 #36
20230224046
2023-07-13

Adaptive Control and Testing System for an Adaptive Receiver

 #37
20230224045
2023-07-13

Optical receiver

 #38
20230224044
2023-07-13

Optical Communications Systems

 #39
20230223974
2023-07-13

Optical Communications System

 #40
20230198630
2023-06-22

Optical receiving device and optical receiving method

 #41
20230128701
2023-04-27

Distribution of optical local-oscillator comb for spectral channelizing of RF signal

 #42
20230125343
2023-04-27

ASYMMETRIC PULSE-SHAPING IN DIGITAL COMMUNICATION SYSTEMS

 #43
20230119734
2023-04-20

Frequency deviation compensation scheme and frequency deviation compensation method

 #44
20230092606
2023-03-23

Electronic devices with high frequency multiplexing capabilities

 #45
20230040543
2023-02-09

Systems and methods for coherent optics in an access network

 #46
20230008430
2023-01-12

METHOD FOR UPDATING NON-LINEAR LOOK-UP TABLE, APPARATUS FOR UPDATING NON-LINEAR LOOK-UP TABLE, AND OPTICAL RECEIVER

 #47
20220303021
2022-09-22

Signal processing device and transmission device

 #48
20220239382
2022-07-28

In-phase to quadrature-phase imbalance in an optical data modulator

 #49
20220224420
2022-07-14

DATA SYNCHRONIZATION IN OPTICAL NETWORKS AND DEVICES

 #50
20220190930
2022-06-16

Reception apparatus and non-transitory computer readable medium

 #51
20220116121
2022-04-14

Frequency deviation compensation scheme and frequency deviation compensation method

 #52
20220077961
2022-03-10

Data synchronization in optical networks and devices

 #53
20220077931
2022-03-10

Data synchronization in optical networks and devices

 #54
20220069974
2022-03-03

Data synchronization in optical networks and devices

 #55
20220052765
2022-02-17

Data synchronization in optical networks and devices

 #56
20220045766
2022-02-10

Rapid polarization tracking in an optical channel

 #57
20220029709
2022-01-27

Fast scan method and apparatus for beacon auto-tune

 #58
20210399870
2021-12-23

Data synchronization in optical networks and devices

 #59
20210399808
2021-12-23

DATA SYNCHRONIZATION IN OPTICAL NETWORKS AND DEVICES

 #60
20210397063
2021-12-23

Pluggable optical module and optical communication system

 #61
20210314019
2021-10-07

Method and system for spread spectrum code acquisition

 #62
20210288721
2021-09-16

Optical reception apparatus and control method

 #63
20210273732
2021-09-02

Phase variation compensation device, phase variation compensation method and communication device

 #64
20210266073
2021-08-26

Grating- and fiber-coupled multi-beam coherent receiving system in mid- and far-infrared band

 #65
20210119710
2021-04-22

Optical coherent receiver on a chip

 #66
20210044362
2021-02-11

Frequency deviation compensation scheme and frequency deviation compensation method

 #67
20210044361
2021-02-11

Optical transmission systems, receivers, and devices, and methods of receiving optical signals

 #68
20210006289
2021-01-07

Method and system for spread spectrum code acquisition

 #69
20200304209
2020-09-24

Transceiving With a Predetermined Frequency Spacing

 #70
20200235821
2020-07-23

COHERENT OPTICAL RECEIVER TESTING

 #71
20200204268
2020-06-25

Frequency deviation compensation scheme and frequency deviation compensation method

 #72
20200186257
2020-06-11

Optical communication systems, devices, and methods including high performance optical receivers

 #73
20200186255
2020-06-11

Optical transmitter, optical receiver, and optical transmission method

 #74
20200169273
2020-05-28

APPARATUS AND METHOD FOR ESTIMATING BURST ERROR

 #75
20200153513
2020-05-14

Receiver of coherent optical communication link and method of compensating carrier phase offset in receiver

 #76
20200076511
2020-03-05

Apparatus and method for beamforming communication

 #77
20200073196
2020-03-05

Pluggable optical module and optical communication system

 #78
20200021367
2020-01-16

Frequency deviation compensation scheme and frequency deviation compensation method

 #79
20190372675
2019-12-05

Optical communication systems, devices, and methods including high performance optical receivers

 #80
20190326998
2019-10-24

Method and apparatus for transmitter IQ skew and insertion loss detection for coherent optical systems

 #81
20190312640
2019-10-10

Optical communication apparatus and frequency control method

 #82
20190305854
2019-10-03

Systems and methods for coherent optics in an access network

 #83
20190296832
2019-09-26

System and method for adaptive channel equalization in a time varying channel

 #84
20190280778
2019-09-12

Pilot-aided digital signal processing for reception of coherent optical communication

 #85
20190253176
2019-08-15

Construction method of mode-division multiplexing fiber-optic communication system and a constructed fiber-optic communication system

 #86
20190215145
2019-07-11

Signal processing device and signal processing method

 #87
20190190617
2019-06-20

Clock recovery circuits, systems and implementation for increased optical channel density

 #88
20190190616
2019-06-20

Coherent optical receiver testing

 #89
20190181962
2019-06-13

Coherent optical receiver with improved noise performance for optical fiber communication links

 #90
20190173518
2019-06-06

Method and system for spread spectrum code acquisition

 #91
20190165868
2019-05-30

Known signal detection method

 #92
20190149393
2019-05-16

Nonlinearity pre-compensation of high order modulation transmissions

 #93
20190140743
2019-05-09

Frequency deviation compensation scheme and frequency deviation compensation method

 #94
20190123832
2019-04-25

PHASE RECOVERY FOR SIGNALS WITH QUADRATURE AMPLITUDE MODULATION

 #95
20190115983
2019-04-18

Optical signal reception apparatus, optical communication system, and method of generating compensation signal of optical signal reception apparatus

 #96
20190081726
2019-03-14

Processing parameter and resource sharing architecture for superchannel based transmission systems

 #97
20190074909
2019-03-07

Phase compensation device, phase compensation method and communication apparatus

 #98
20190036616
2019-01-31

Method for monitoring and correction of adjacent channel penalty in coherent optical transmission

 #99
20190013876
2019-01-10

Coherent optical reception device

 #100
20180278338
2018-09-27

Decoding a combined amplitude modulated and frequency modulated signal

 #101
20180278337
2018-09-27

Optical communication systems, devices, and methods including high performance optical receivers

 #102
20180269984
2018-09-20

Method for monitoring and correction of adjacent channel penalty in coherent optical transmission

 #103
20180234280
2018-08-16

Extremely precise frequency estimation apparatus and method for single receiver

 #104
20180227056
2018-08-09

Receiving device and receiving method

 #105
20180183520
2018-06-28

Method and system for optical impairment mitigation for high-speed optical communication systems

 #106
20180131446
2018-05-10

Compensation apparatus for offset drift, received signal recovery apparatus and receiver

 #107
20180069626
2018-03-08

Detection apparatus and method for noise intensity and coherent optical receiver

 #108
20180054258
2018-02-22

Frequency characteristic adjustment circuit, optical transmission module using the same, and optical transceiver

 #109
20180048386
2018-02-15

Coherent optical receiver testing

 #110
20180034553
2018-02-01

Coherent receiver, method, and system for coherent light source frequency offset estimation and compensation

 #111
20170310416
2017-10-26

Apparatus and method for processing a frequency offset of a pilot and receiver

 #112
20170310401
2017-10-26

Control of LO signal frequency offset between optical transmitters and receivers

 #113
20170294971
2017-10-12

Apparatus and method for blind LOFO estimation in coherent optical receiver

 #114
20170180055
2017-06-22

Techniques for receiving DFT spreading modulation signals

 #115
20170163408
2017-06-08

Frequency acquisition for serdes receivers

 #116
20170117969
2017-04-27

Control of LO signal frequency offset between optical transmitters and receivers

 #117
20170054513
2017-02-23

Estimation and compensation of local oscillator frequency offset and chromatic dispersion using pilot tones in spectral-shaping subcarrier modulation

 #118
20170012803
2017-01-12

Adaptive equalization circuit, digital coherent receiver, and adaptive equalization method

 #119
20160352432
2016-12-01

Decoding a combined amplitude modulated and frequency modulated signal

 #120
20160337044
2016-11-17

Optical receiver

 #121
20160337043
2016-11-17

Radio communication device and frequency error measurement method

 #122
20160330015
2016-11-10

Frequency acquisition for serdes receivers

 #123
20160323091
2016-11-03

Received signal processing device, communication system, and received signal processing method

 #124
20160285562
2016-09-29

Frequency deviation compensation scheme and frequency deviation compensation method

 #125
20160261398
2016-09-08

Clock recovery method and device

 #126
20160241352
2016-08-18

Optical transmission system

 #127
20160149742
2016-05-26

Multi-waveband OFDM receiver, and frequency offset compensation method and system

 #128
20160127049
2016-05-05

Reduction of effects of signal-signal beat interference in optical transport systems

 #129
20160112143
2016-04-21

Blind equalization of dual subcarrier OFDM signals

 #130
20160056889
2016-02-25

Optical spatial-division multiplexed transmission system and transmission method

 #131
20160043810
2016-02-11

Signal generator, process for making and using same

 #132
20160036527
2016-02-04

Method and system for optical impairment mitigation for high-speed optical communication systems

 #133
20160036524
2016-02-04

Method for estimating frequency offset, apparatus and system

 #134
20160028491
2016-01-28

Optical reception device and optical reception method

 #135
20150311983
2015-10-29

Frequency offset compensation apparatus and frequency offset compensation method

 #136
20150280834
2015-10-01

Frequency and phase compensation for modulation formats using multiple sub-carriers

 #137
20150261016
2015-09-17

Semiconductor optical modulation device

 #138
20150256269
2015-09-10

System and method for blind frequency recovery

 #139
20150207572
2015-07-23

Transfer of power and data

 #140
20150147071
2015-05-28

Frequency offset estimation circuit and frequency offset estimation method

 #141
20150098714
2015-04-09

Optical communication receiving device and frequency offset compensation method

 #142
20150078764
2015-03-19

Frequency synchronization for an OFDM optical receiver

 #143
20150063818
2015-03-05

Method and system for optical impairments mitigation for high-speed optical communication systems

 #144
20150050032
2015-02-19

DIGITALLY LOCKING COHERENT RECEIVER AND METHOD OF USE THEREOF

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20150010312
2015-01-08

Optical data interface with electrical forwarded clock

 #146
20140369686
2014-12-18

Systems and methods for noise tolerant signal processing in pilot assisted data receivers

 #147
20140328592
2014-11-06

Signal processing method, optical receiver and optical network system

 #148
20140328588
2014-11-06

Optical communication system, optical transmitter, and optical receiver

 #149
20140301743
2014-10-09

Light receiving device and light receiving method

 #150
20140286650
2014-09-25

Optical receiver and frequency offset correction method

 #151
20140286638
2014-09-25

Signal processing apparatus and signal processing method

 #152
20140270810
2014-09-18

Frequency error estimating apparatus and method, frequency error compensating apparatus, and optical receiver

 #153
20140199063
2014-07-17

Generation of an optical local-oscillator signal for a coherent-detection scheme

 #154
20140178081
2014-06-26

Signal processing circuit, signal processing method, optical receiver and optical communication system

 #155
20140169784
2014-06-19

Training-assisted carrier frequency and phase recovery in digital coherent optical communication systems

 #156
20140140690
2014-05-22

Coherent optical receiver, apparatus and method for detecting inter-channel skew in coherent optical receiver

 #157
20140064734
2014-03-06

WDM telecommunications link with coherent detection and optical frequency comb sources

 #158
20140064102
2014-03-06

Systems and methods for noise tolerant signal processing in pilot assisted data receivers

 #159
20140023370
2014-01-23

Processing data in an optical network element

 #160
20130315609
2013-11-28

Method with improved phase robustness in coherent detected optical system

 #161
20130209098
2013-08-15

Method and device for receiving multi-carrier optical signal

 #162
20130208335
2013-08-15

Optical network element

 #163
20130094852
2013-04-18

FREQUENCY OFFSET MONITORING DEVICE AND OPTICAL COHERENT RECEIVER

 #164
20130071109
2013-03-21

Automatic gain control for high-speed coherent optical receivers

 #165
20120294630
2012-11-22

Blind carrier frequency offset detection for coherent receivers using quadrature amplitude modulation formats

 #166
20120288286
2012-11-15

OPTICAL RECEIVER FOR AMPLITUDE-MODULATED SIGNALS

 #167
20120237211
2012-09-20

Optical receiving apparatus

 #168
20120237204
2012-09-20

System and method for blind frequency recovery

 #169
20120237202
2012-09-20

Coherent optical receiver, apparatus and method for detecting inter-channel skew in coherent optical receiver

 #170
20120195602
2012-08-02

Sampling clock synchronizing apparatus, digital coherent receiving apparatus, and sampling clock synchronizing method

 #171
20120134685
2012-05-31

Loop filter

 #172
20120087680
2012-04-12

Method for carrier frequency recovery and optical intradyne coherent receiver

 #173
20120033965
2012-02-09

Method and apparatus for broadband carrier frequency and phase recovery in coherent optical system

 #174
20120008952
2012-01-12

Method and apparatus for carrier phase estimation and correction in a coherent optical system

 #175
20110255877
2011-10-20

Digital coherent receiver and receiving method

 #176
20110170881
2011-07-14

Light receiving device and light receiving method

 #177
20110150505
2011-06-23

Zero mean carrier recovery

 #178
20110103529
2011-05-05

Estimating frequency offset using a feedback loop

 #179
20110085797
2011-04-14

Ultra wide-range frequency offset estimation for digital coherent optical receivers

 #180
20100232805
2010-09-16

Local oscillator frequency offset compensation in a coherent optical signal receiver

 #181
20100232788
2010-09-16

Dual stage carrier phase estimation in a coherent optical signal receiver

 #182
20100142971
2010-06-10

APPARATUS FOR SYNCHRONIZING DIGITAL SIGNALS OF COHERENT OPTICAL RECEIVER

 #183
20100138722
2010-06-03

Cycle slip location and correction

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20090245815
2009-10-01

Apparatus and method for frequency offset monitoring used in digital coherent optical receiver

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20090129787
2009-05-21

Optical coherent receiver, frequency offset estimating apparatus and method for optical coherent receiver

 #186
20090080906
2009-03-26

Frequency offset monitoring device and optical coherent receiver

 #187
20080152361
2008-06-26

Frequency estimation in an intradyne optical receiver

 #188
20070036555
2007-02-15

Coherent phase-shift-keying

 #189
17883961
2024-12-03

Systems and methods of compensating for frequency offsets in optical communications

 #190
17590243
2023-04-04

Systems and methods for processing a subcarrier-multiplexed signal

 #191
17339740
2023-08-22

Systems and methods for phase compensation

 #192
16388373
2020-08-11

Power-based encoding of data to be transmitted over an optical communication path

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15795676
2019-03-26

Clock recovery circuits, systems and implementation for increased optical channel density

 #194
15462306
2018-04-03

Burst-mode optical receiver with feed-forward DC-bias acquisition and flash-oversampling clock recovery

 #195
15203939
2017-10-31

Coherent optical receiver testing

 #196
15154567
2017-05-30

Integrated multi-channel receiver having independent clock recovery modules with enhanced inductors

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15136528
2018-07-03

Signal processing circuit with optical local oscillator signal

 #198
14871617
2017-05-30

Dynamic range extension of heterodyne fiber-optic interferometers via instantaneous carrier measurement

 #199
14696326
2016-08-09

Frequency acquisition for SERDES receivers

 #200
14221246
2017-08-08

Systems and methods for autonomous signal modulation format identification

 #201
13594644
2015-12-29

Timing recovery for optical coherent receivers in the presence of polarization mode dispersion