ClassID:

223800

H04B10/0795 - 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; Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal Performance monitoring; Measurement of transmission parameters

Sub-classes:
Recent Application in this class:
#1
20260135617
2026-05-14

OPTICAL PATH MONITORING APPARATUS AND PROCESS

#2
20260128794
2026-05-07

OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION SYSTEM

#3
20260121742
2026-04-30

Method and Apparatus for Establishing PCIe Optical Interconnection Link, Device, Medium, and System

#4
20260113113
2026-04-23

Spectrum Quality Indicator for Layer 0 Path Computation

#5
20260113112
2026-04-23

PASSIVE OPTICAL NETWORK INCORPORATING FIBER MONITORING AT RECEIVING EQUIPMENT

#6
20260088900
2026-03-26

SYSTEMS AND METHODS FOR FIBER LINE MONITORING

#7
20260081683
2026-03-19

Automatic Shared Risk Link Group Detection

#8
20260074800
2026-03-12

SYSTEM AND METHOD FOR DETERMINING ENCRYPTION KEYS USING A PHASE-ENCODING SIGNAL

#9
20260066988
2026-03-05

TRAJECTORY-BASED LINE OF SIGHT PATH INSTRUCTIONS AND ROUND TRIP TIME CORRECTION

#10
20260046034
2026-02-12

QUANTUM REPEATER FOR OPTICAL NETWORK AND METHOD

#11
20260046023
2026-02-12

SYSTEM FOR MONITORING OPTICAL FIBER DISTRIBUTION NETWORKS

#12
20260019164
2026-01-15

TELEPORTATION SYSTEMS TOWARD A QUANTUM INTERNET

#13
20260012256
2026-01-08

METHOD FOR FEEDING BACK CHANNEL QUALITY INFORMATION AND APPARATUS

#14
20260012255
2026-01-08

Monitoring signal quality of transceivers

#15
20250392384
2025-12-25

NETWORK QUALITY EVALUATION BASED ON NETWORK METRICS

#16
20250379652
2025-12-11

STATE-OF-POLARIZATION MONITORING APPARATUS, STATE-OF-POLARIZATION MONITORING METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

#17
20250358007
2025-11-20

OPTICAL COMMUNICATION APPARATUS, OPTICAL COMMUNICATION METHOD, AND OPTICAL COMMUNICATION PROGRAM

#18
20250343623
2025-11-06

Error Correction for High-Speed Optical Networks

#19
20250343601
2025-11-06

BLIND ANOMALY DETECTION IN DENSE WAVE DIVISION MULTIPLEXED ROUTED OPTICAL NETWORKS

#20
20250330239
2025-10-23

EVALUATING FIBER CONNECTION RELIABILITY USING MULTI-MODAL DATA AND/OR MULTI-MODAL DATA SOURCES

#21
20250317203
2025-10-09

DYNAMIC ADAPTATIVE DETECTING METHODOLOGY FOR FIBER CONNECTIVITY ISSUES BY OPTICAL SIGNAL LOSS

#22
20250300735
2025-09-25

OPTICAL TRANSMITTER-RECEIVER MODULE AND INSPECTION SYSTEM

#23
20250293783
2025-09-18

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

#24
20250293771
2025-09-18

OPTICAL LINE PHYSICAL PARAMETERS CALIBATION IN PRESENCE OF EDFA TOTAL POWER MONITORS

#25
20250233657
2025-07-17

SYSTEM AND METHOD FOR MAPPING MULTI-STRAND FIBER-OPTIC CABLES

#26
20250233656
2025-07-17

ELECTRONIC APPARATUS AND NETWORK SYSTEM

#27
20250219727
2025-07-03

PASSIVE OPTICAL NETWORK PERFORMANCE PARAMETER MEASUREMENT AND ONLINE RECONFIGURATION

#28
20250211358
2025-06-26

OPTICAL COMMUNICATION SYSTEM, OPTICAL SIGNAL CONTROL METHOD, AND OPTICAL COMMUNICATION APPARATUS

#29
20250211330
2025-06-26

APPARATUS AND METHOD FOR DETERMINING OPTICAL PHASE DIFFERENCE OF SUB SIGNAL OF OPTICAL TRANSMITTER

#30
20250211329
2025-06-26

APPARATUS AND METHOD FOR REAL-TIME MONITORING DELAY SKEW OF SUBSIGNAL OF OPTICAL TRANSMITTER

#31
20250184002
2025-06-05

ALTERING REFRACTIVE INDEX OF AN EXPANDED BEAM CONNECTOR LENS

#32
20250184001
2025-06-05

OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION METHOD

#33
20250175254
2025-05-29

Optical delay compensation in optical modules

#34
20250141547
2025-05-01

OPTICAL TRANSMISSION LINE MONITORING DEVICE AND OPTICAL TRANSMISSION LINE MONITORING METHOD

#35
20250141545
2025-05-01

METHOD AND SYSTEM FOR DETERMINING A ROUND-TRIP LATENCY OF A QUANTUM COMMUNICATION CHANNEL

#36
20250132840
2025-04-24

STATE-OF-POLARIZATION MONITORING APPARATUS, STATE-OF-POLARIZATION MONITORING METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

#37
20250132837
2025-04-24

OPTICAL RECEIVING APPARATUS, OPTICAL TRANSMISSION APPARATUS, OPTICAL TRANSMISSION SYSTEM, FEEDBACK METHOD AND ADJUSTMENT METHOD

#38
20250112695
2025-04-03

SYSTEMS AND METHODS FOR SERVICE TURN-UP OPTIMIZATION THROUGH QUALITY OF SERVICE FEEDBACK ON OPTICAL LINE SYSTEMS

#39
20250096890
2025-03-20

IFoF SCHEME OPTICAL TRANSMISSION SYSTEM

#40
20250088283
2025-03-13

METHOD AND DEVICE FOR MONITORING GENERALIZED OPTICAL SIGNAL-TO-NOISE RATIO, COHERENT RECEIVER AND NETWORK APPARATUS

#41
20250085481
2025-03-13

SECURED FIBER LINK SYSTEM

#42
20250062828
2025-02-20

MULTIPATH INTERFERENCE DETECTION METHOD AND APPARATUS, AND OPTICAL MODULE AND COMMUNICATION DEVICE

#43
20250038844
2025-01-30

Determination of optical performance of distributed Raman amplifiers using deep neural networks

#44
20250015901
2025-01-09

QUANTUM REPEATER FOR OPTICAL NETWORK AND METHOD

#45
20250015887
2025-01-09

MONITORING IN DISTRIBUTED ACOUSTIC SENSING SYSTEMS

#46
20250015886
2025-01-09

SIGNAL QUALITY MONITORING METHOD

#47
20250007618
2025-01-02

POLARIZATION FLUCTUATION MONITORING APPARATUS, COMMUNICATION SYSTEM, POLARIZATION FLUCTUATION MONITORING METHOD, AND PROGRAM

#48
20240430012
2024-12-26

METHOD AND SYSTEM FOR ENCODING MULTI-LEVEL PULSE AMPLITUDE MODULATED SIGNALS USING INTEGRATED OPTOELECTRONIC DEVICES

#49
20240421901
2024-12-19

METHOD AND APPARATUS FOR DETECTING PHASE DIFFERENCE AND DELAY OF COHERENT RECEIVER, AND STORAGE MEDIUM

#50
20240413902
2024-12-12

SIGNAL ANALYSIS CAPABILITY

#51
20240413901
2024-12-12

REVERSED FIBER DETECTION AND CORRECTION IN OPTICAL TRANSCEIVERS

#52
20240405875
2024-12-05

MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER NETWORK

#53
20240396640
2024-11-28

FREQUENCY DEVIATION COMPENSATION SCHEME AND FREQUENCY DEVIATION COMPENSATION METHOD

#54
20240369786
2024-11-07

Management interface handler to expedite module boot time in pluggable optical modules

#55
20240357266
2024-10-24

Calibration data from modules for an incremental noise metric for rapid modeling of optical networks

#56
20240356637
2024-10-24

OPTICAL PATH STATE ASSESSMENT DEVICE, OPTICAL TRANSMISSION SYSTEM, OPTICAL PATH STATE ASSESSMENT METHOD, AND PROGRAM RECORD MEDIUM

#57
20240356636
2024-10-24

METHOD AND SYSTEM FOR A HEALTH AUDIT ON A CURRENT WORKING ROUTE IN LAYER ZERO CONTROL PLANE NETWORKS

#58
20240348332
2024-10-17

LASER TRANSMITTER CHARACTERIZATION FOR ACCURATE LASER AGING

#59
20240333382
2024-10-03

SYSTEM AND METHODS OF DETECTING LOSS OF SIGNAL IN FREE SPACE OPTICAL COMMUNICATIONS

#60
20240323064
2024-09-26

OPTIMIZING TRANSMITTER SETTINGS FOR IN-BAND ELECTRICAL INTERFACE BETWEEN HOST DEVICE AND OPTICAL MODULE USING OUT-OF-BAND ELECTRICAL INTERFACE

#61
20240322913
2024-09-26

METHOD AND APPARATUS FOR EQUALIZATION IN PON

#62
20240322903
2024-09-26

Optical cable mismatch error detection/remediation

#63
20240305584
2024-09-12

Spectrum-aware cross-layer optimization

#64
20240283532
2024-08-22

ALL-OPTICAL OPEN CABLE OSNR MEASUREMENT

#65
20240275494
2024-08-15

TELEPORTATION SYSTEMS TOWARD A QUANTUM INTERNET

#66
20240275483
2024-08-15

TRANSMISSION DIRECTION DETERMINATION APPARATUS, TRANSMISSION DIRECTION DETERMINATION METHOD, RECORDING MEDIUM, AND TRANSMISSION DIRECTION DETERMINATION MODULE

#67
20240267119
2024-08-08

RELAY SYSTEM, COMMUNICATION DEVICE, AND DELAY PERIOD DETERMINATION METHOD

#68
20240259096
2024-08-01

Optimization of spectrum sharing in optical line systems

#69
20240259095
2024-08-01

WAVEGUIDE ESTIMATION APPARATUS, WAVEGUIDE ESTIMATION METHOD AND PROGRAM

#70
20240259093
2024-08-01

Protection switching based on SNR calculations

#71
20240235687
2024-07-11

LOW DISTORTION AND PHASE NOISE OPTICAL SINGLE SIDEBAND GENERATION SYSTEM AND RELATED METHODS

#72
20240235671
2024-07-11

MONITORING CONTROL DEVICE, OPTICAL TRANSMISSION PATH MONITORING DEVICE, AND MONITORING CONTROL METHOD

#73
20240214068
2024-06-27

OPTICAL TRANSCEIVER TUNING USING MACHINE LEARNING

#74
20240214067
2024-06-27

DETECTION DEVICE, OPTICAL RECEPTION DEVICE, OPTICAL COMMUNICATION SYSTEM, PROGRAM, AND DETECTION METHOD

#75
20240214066
2024-06-27

ESTIMATION APPARATUS

#76
20240171284
2024-05-23

OPTICAL COMMUNICATION APPARATUS, AND OPTICAL COMMUNICATION SYSTEM

#77
20240154694
2024-05-09

STATE ESTIMATION SYSTEM, SECRET SIGNAL GENERATOR, STATE ESTIMATION METHOD, SECRET SIGNAL GENERATION PROGRAM

#78
20240146411
2024-05-02

METHOD AND APPARATUS FOR DETECTING FAILURE OF PASSIVE WAVELENGTH DIVISION EQUIPMENT, SERVER, AND STORAGE MEDIUM

#79
20240137674
2024-04-25

Optical Link Diagnostic System

#80
20240129049
2024-04-18

METHOD AND APPARATUS FOR EVALUATING TRANSMISSION IMPAIRMENTS OF MULTIPLEXING CONVERTER

#81
20240113776
2024-04-04

NETWORK DEVICE DEPLOYMENT RECORDER

#82
20240097782
2024-03-21

Method and system for generating the spectrogram of a signal

#83
20240088996
2024-03-14

COMMUNICATION APPARATUS, COMMUNICATION CONTROL METHOD, NON-TRANSITORY COMPUTER READABLE MEDIUM, AND OPTICAL COMMUNICATION SYSTEM

#84
20240064445
2024-02-22

Enhanced line monitoring and parameter reporting for high fiber count undersea fiber optic transmission systems with multiple switchable branches

#85
20240063902
2024-02-22

Communication device, communication controlling method, and non-transitory computer-readable media

#86
20240048876
2024-02-08

Mapping ports in a passive optical network

#87
20240048875
2024-02-08

Mapping ports in a passive optical network

#88
20240048237
2024-02-08

LINK STATUS MEASUREMENT METHOD, APPARATUS, AND SYSTEM, AND STORAGE MEDIUM

#89
20240039628
2024-02-01

On-chip wavefront sensor, optical chip, and communication device

#90
20240007184
2024-01-04

DOWNLINK DATA TRANSMISSION METHOD AND APPARATUS, AND STORAGE MEDIUM AND ELECTRONIC APPARATUS

#91
20240007183
2024-01-04

MEASURING APPARATUS AND MEASURING METHOD

#92
20240004139
2024-01-04

Secured fiber link system

#93
20230412269
2023-12-21

SYSTEM AND METHOD FOR VEHICLE-TO-VEHICLE RADIO COMMUNICATION USING ULTRAVIOLET C BAND

#94
20230412268
2023-12-21

PERFORMANCE MONITORING OF AN OPTICAL NETWORK UNIT

#95
20230412267
2023-12-21

Automatic trend identification and anomaly detection in optical channel monitoring spectrum

#96
20230403075
2023-12-14

METHODS, DEVICES AND APPARATUSES FOR OPTICAL COMMUNICATION, AND COMPUTER READABLE MEDIUM

#97
20230396333
2023-12-07

OLT RECEIVER PARAMETER CONFIGURATION METHOD AND DEVICE, STORAGE MEDIUM AND ELECTRONIC DEVICE

#98
20230388682
2023-11-30

10G rate OLT terminal transceiver integrated chip based on XGPON with DFB laser

#99
20230379053
2023-11-23

OPTICAL SIGNAL MONITOR, OPTICAL WAVELENGTH MULTIPLEXING TRANSMITTER, AND METHOD FOR MONITORING OPTICAL SIGNAL

#100
20230361882
2023-11-09

Frequency deviation compensation scheme and frequency deviation compensation method

#101
20230349789
2023-11-02

Duplex visual tester for fiber optics

#102
20230342649
2023-10-26

SYSTEMS AND METHODS FOR REAL-TIME POLARIZATION DRIFT COMPENSATION IN OPTICAL FIBER CHANNELS USED FOR QUANTUM COMMUNICATIONS

#103
20230336245
2023-10-19

MONITORING METHOD, CONTROL MODULE AND COMPUTER MEDIUM OF DISTRIBUTED ANTENNA SYSTEM

#104
20230327758
2023-10-12

CHARACTERIZATION OF INTER-CHANNEL CROSSTALK IN AN OPTICAL NETWORK

#105
20230283368
2023-09-07

ROBOT

#106
20230269020
2023-08-24

TURN UP AND EXPRESS TRAFFIC VALIDATION FOR COMMUNICATION SYSTEMS

#107
20230261744
2023-08-17

Communication device, communication method, communication system and communication program

#108
20230254036
2023-08-10

Optical network system, optical node device, and optical network control method

#109
20230239598
2023-07-27

Enhanced line monitoring and parameter reporting for high fiber count undersea fiber optic transmission systems with multiple switchable branches

#110
20230239055
2023-07-27

Adjusting eye heights and optical power levels of a multi-level optical signal

#111
20230216594
2023-07-06

COHERENT OPTICAL RECEIVER DEVICE AND COHERENT OPTICAL RECEIVING METHOD

#112
20230208521
2023-06-29

Optical wireless communication system and optical wireless communication method

#113
20230204882
2023-06-29

Management interface handler to expedite module boot time in pluggable optical modules

#114
20230170990
2023-06-01

Optical communication system, master station, and optical communication method

#115
20230164091
2023-05-25

Spectrum-aware cross-layer optimization

#116
20230163843
2023-05-25

Method and apparatus for transmitting and receiving signals in optical wireless communication system

#117
20230155677
2023-05-18

Route selection in optical networks based on machine learning

#118
20230146640
2023-05-11

Utilizing an incremental noise metric for rapid modeling of optical networks

#119
20230142092
2023-05-11

Method, apparatus and system for determining multipath interference (MPI) on an optical link

#120
20230135206
2023-05-04

Determining attenuation rate using imagery

#121
20230119766
2023-04-20

Polarization-fluctuation estimating device and polarization-fluctuation estimating method

#122
20230119734
2023-04-20

Frequency deviation compensation scheme and frequency deviation compensation method

#123
20230118684
2023-04-20

Systems and methods for monitoring generalized optical signal-to-noise ratio

#124
20230113139
2023-04-13

Optimizing routes across an optical network based on traffic stream bandwidth utilization

#125
20230098774
2023-03-30

Communication device, communication controlling method, and non-transitory computer-readable media

#126
20230087839
2023-03-23

Polarization variation monitoring system and polarization variation monitoring method

#127
20230045986
2023-02-16

Adjusting eye heights and optical power levels of a multi-level optical signal

#128
20230038831
2023-02-09

Optical communication equipment and component mounting machine

#129
20230022272
2023-01-26

Detection system, detection device, and detection method

#130
20230018846
2023-01-19

Method, device and program for estimating optical communication status

#131
20230014183
2023-01-19

Computing device

#132
20230012193
2023-01-12

HYSTERESIS-BASED LINK FLAPPING PREVENTION IN AN OPTICAL NETWORK

#133
20220407597
2022-12-22

Utilizing polarization characteristics to detect vibrations in optical fibers

#134
20220407595
2022-12-22

DEVICES, SYSTEMS, AND METHODS FOR PROCESSING OPTICAL COMPONENTS

#135
20220385370
2022-12-01

Method for determining actual values of one or more characteristics of a phase-modulated optical signal

#136
20220361070
2022-11-10

Wireless communication system, wireless communication method and terminal device

#137
20220360334
2022-11-10

Routing of optical signals

#138
20220360333
2022-11-10

Routing of optical signals

#139
20220357195
2022-11-10

LONG-DISTANCE HIGH-PRECISION OPTICAL FIBER INTERFERENCE SENSING AND POSITIONING SYSTEM

#140
20220352987
2022-11-03

OPTICAL TRANSMITTER DEVICE, OPTICAL TRANSMISSION DEVICE, AND OPTIMUM-PHASE-AMOUNT CALCULATION METHOD

#141
20220345225
2022-10-27

Reception device

#142
20220345215
2022-10-27

Real-time health monitoring in an all-photonics network

#143
20220329320
2022-10-13

Methods, apparatus and machine-readable mediums related to wireless communication in communication networks

#144
20220321210
2022-10-06

Transmission apparatus and transmission method

#145
20220311514
2022-09-29

Optical transceiver tuning using machine learning

#146
20220311510
2022-09-29

FIBER OPTIC LINK EQUALIZATION IN DATA CENTERS AND OTHER TIME SENSITIVE APPLICATIONS

#147
20220303039
2022-09-22

Optical network management device, optical network system, optical network management method, and optical network management program

#148
20220294530
2022-09-15

METHOD AND APPARATUS FOR ACQUIRING UPLINK BIT ERROR RATE OF RADIO REMOTE UNIT

#149
20220294529
2022-09-15

Analyzing performance of fibers and fiber connections using long-term historical data

#150
20220271846
2022-08-25

Communications system using pulse divider and associated methods

#151
20220263572
2022-08-18

Optical network optimizer and optical network optimization method thereof

#152
20220247495
2022-08-04

Method and system for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devices

#153
20220239371
2022-07-28

METHODS, DEVICES, APPARATUSES, AND MEDIUM FOR OPTICAL COMMUNICATION

#154
20220236483
2022-07-28

Wavelength demultiplexer, optical transceiver front-end module, photonic circuit, and wavelength demultiplexing control method

#155
20220231760
2022-07-21

Timing measurement apparatus

#156
20220231759
2022-07-21

Method and apparatus for measurement of mode delay in optical fibers

#157
20220224595
2022-07-14

OPTICAL COMMUNICATION DEVICE AND CONTROL METHOD

#158
20220216915
2022-07-07

Method and apparatus for a restoration network with dynamic activation of pre-deployed network resources

#159
20220182139
2022-06-09

Method and apparatus for obtaining transmitter test parameter, and storage medium

#160
20220166502
2022-05-26

Optical fiber display system and optical fiber switching method

#161
20220166500
2022-05-26

Avoiding fiber damage on non-supervisory optical fiber links

#162
20220150606
2022-05-12

Optical link diagnostic system

#163
20220140897
2022-05-05

Logical cut of an optical fiber due to fiber events

#164
20220116121
2022-04-14

Frequency deviation compensation scheme and frequency deviation compensation method

#165
20220109921
2022-04-07

Methods and apparatus for consistency check in disaggregated dense wavelength-division multiplexing (DWDM) systems

#166
20220085883
2022-03-17

Test device for verifying operation of an optical fiber monitoring system organized in a common housing

#167
20220085882
2022-03-17

Test device for verifying operation of an optical fiber monitoring system protecting multiple fiber runs

#168
20220085881
2022-03-17

Test device for verifying operation of an optical fiber monitoring system utilizing outgoing communication

#169
20220085880
2022-03-17

Test device for verifying operation of an optical fiber monitoring system utilizing complex test signal

#170
20220085879
2022-03-17

Test device for verifying operation of an optical fiber monitoring system

#171
20220077925
2022-03-10

Optical signal monitor, optical wavelength multiplexing transmitter, and method for monitoring optical signal

#172
20220069903
2022-03-03

Per-band fault signaling in a multi-band optical transmission system

#173
20220060257
2022-02-24

Optical network system, optical node device, and optical network control method

#174
20220052781
2022-02-17

Devices and methods for adaptive decoding and core scrambling in multi-core fiber transmission systems

#175
20220045770
2022-02-10

D-dimensional chain teleportation method for random transmission based on measurement results of relay nodes

#176
20220038798
2022-02-03

Service path switching method and related device

#177
20220029865
2022-01-27

Optimizing host / module interface

#178
20220007093
2022-01-06

Proactively detecting failures on restoration paths in an optical network and visualizations thereof

#179
20220006524
2022-01-06

Optical transmission line monitoring apparatus, optical transmission line monitoring system, and optical transmission line monitoring method

#180
20210405314
2021-12-30

Management interface handler to expedite module boot time in pluggable optical modules

#181
20210391922
2021-12-16

Ranging method for optical network, OLT, ONU, and optical network system

#182
20210376926
2021-12-02

Direct-detection optical receiver capable of signal-to-signal beat interference cancellation

#183
20210360760
2021-11-18

Determining light settings and/or daylight blocker settings based on data signal quality

#184
20210344380
2021-11-04

Quasi-co-location (QCL) indication for multi-transmission and reception point (TRP) enabled sidelink communications

#185
20210328756
2021-10-21

Bi-directional transceiver with time synchronization

#186
20210328678
2021-10-21

Optical transceiver monitoring system

#187
20210306086
2021-09-30

Machine learning techniques for selecting paths in multi-vendor reconfigurable optical add/drop multiplexer networks

#188
20210266069
2021-08-26

Dispersion compensation system and dispersion compensation method

#189
20210234617
2021-07-29

Optical transmission system and filter penalty reduction method

#190
20210234613
2021-07-29

Optical transceiver monitoring system

#191
20210226700
2021-07-22

Measuring device for polarization-maintaining optical fiber spindle differential delay

#192
20210218475
2021-07-15

Coherent optical receiver device and coherent optical receiving method

#193
20210184772
2021-06-17

Information transmission method, optical line termination, optical network unit, and communications system

#194
20210143904
2021-05-13

Method and apparatus for a restoration network with dynamic activation of pre-deployed network resources

#195
20210126710
2021-04-29

Apparatus and method for determining coefficients of fixed equalizer

#196
20210111794
2021-04-15

Optical network performance evaluation using a hybrid neural network

#197
20210111793
2021-04-15

Finding the eye center with a low-power eye monitor using a 3-dimensional algorithm

#198
20210105068
2021-04-08

Display apparatus and control method for display apparatus

#199
20210105067
2021-04-08

Measurement apparatus of optical communication system

#200
20210084383
2021-03-18

Service data processing method and apparatus

#201
20210058161
2021-02-25

Unequal spacing on multilevel signals

#202
20210058160
2021-02-25

Histogram based optimization for optical modulation

#203
20210058159
2021-02-25

Optical transceiver integrated circuit

#204
20210058157
2021-02-25

Multi-layer network system and path setting method in multi-layer network

#205
20210044878
2021-02-11

Methods and apparatus for consistency check for disaggregated dense wavelength-division multiplexing (DWDM) systems

#206
20210044362
2021-02-11

Frequency deviation compensation scheme and frequency deviation compensation method

#207
20210037300
2021-02-04

Optical network unit and method for transmitting dynamic bandwidth report upstream information

#208
20210021337
2021-01-21

Timing measurement apparatus

#209
20210013964
2021-01-14

Optical signal monitor, optical wavelength multiplexing transmitter, and method for monitoring optical signal

#210
20210013963
2021-01-14

State estimating device and communication system

#211
20210006331
2021-01-07

Systems and methods for measuring a modal delay and a modal bandwidth

#212
20200412520
2020-12-31

Built-in jitter loading and state of polarization generation to characterize optical transceivers

#213
20200412447
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