ClassID:

223782

H04B10/032 - 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 fault recovery using working and protection systems

Recent Application in this class:
#1
20260121755
2026-04-30

HIERARCHICAL REDUNDANCY WITH PARALLEL OPTICAL LINKS

#2
20260121740
2026-04-30

DYNAMIC REDUNDANCY WITH PARALLEL OPTICAL LINKS

#3
20260046033
2026-02-12

SILICON PHOTONIC SHARED LASER WITH SEMICONDUCTOR OPTICAL AMPLIFIERS

#4
20250323750
2025-10-16

OPTICAL SWITCHING UNIT WITH FREQUENCY SELECTIVE PROTECTION MECHANISM

#5
20250317199
2025-10-09

PON fault notification in a multi-homed protection environment

#6
20250125869
2025-04-17

DISTRIBUTED ACOUSTIC SENSING TO IDENTIFY NON-DISJOINT PATHS IN COMMUNICATIONS NETWORKS

#7
20250096897
2025-03-20

DEVICE SWITCHING METHOD AND OPTICAL COMMUNICATION SYSTEM

#8
20240396659
2024-11-28

A BROADCAST-AND-SELECT NODE

#9
20240396629
2024-11-28

METHOD FOR SUPPORTING SNCP OVER PACKET NETWORK

#10
20240396628
2024-11-28

METHOD FOR SUPPORTING SNCP OVER PACKET NETWORK

#11
20240313858
2024-09-19

Method and system for detecting an improper protection in an optical communication network

#12
20240275479
2024-08-15

OPTICAL BACKPLANE SWITCHOVER METHOD AND OPTICAL COMMUNICATION DEVICE

#13
20240259093
2024-08-01

Protection switching based on SNR calculations

#14
20240223925
2024-07-04

OPTICAL PATH ROUTE DESIGN DEVICE AND OPTICAL PATH ROUTE DESIGN METHOD

#15
20240223273
2024-07-04

SYSTEM AND METHOD FOR TRAFFIC DISTRIBUTION WITH OPTICAL SWITCH

#16
20240171270
2024-05-23

OPTICAL COMMUNICATION SYSTEM, VEHICLE, AND INDUSTRIAL OPTICAL NETWORK

#17
20240120993
2024-04-11

Method for supporting SNCP over packet network

#18
20240097786
2024-03-21

COMMUNICATION CONTROL SYSTEM, COMMUNICATION CONTROL APPARATUS, AND COMMUNICATION CONTROL METHOD

#19
20240063911
2024-02-22

OPTICAL ACCESS NETWORK

#20
20240056179
2024-02-15

Transmission apparatus and transmission method

#21
20240031021
2024-01-25

OPTICAL FIBER DETECTION METHOD, CONTROL MODULE AND COMPUTER MEDIUM OF DISTRIBUTED ANTENNA SYSTEM

#22
20240031018
2024-01-25

MULTIPLEX TRANSMISSION SYSTEM, RESOURCE CONTROL METHOD FOR MULTIPLEX TRANSMISSION SYSTEM

#23
20240007182
2024-01-04

METHOD AND SYSTEM OF PRODUCING A REDUNDANT OPTICAL COMB AND APPLICATIONS THEREOF

#24
20230421934
2023-12-28

COMMUNICATION CONTROL DEVICE, COMMUNICATION CONTROL SYSTEM, COMMUNICATION CONTROL METHOD AND COMMUNICATION CONTROL PROGRAM

#25
20230403485
2023-12-14

OPTICAL COMMUNICATION APPARATUS, OPTICAL COMMUNICATION SYSTEM AND OPTICAL COMMUNICATION METHOD

#26
20230379050
2023-11-23

SYSTEM AND METHOD FOR REAL TIME PROTECTION APPLICATIONS ON HYBRID CONTROLLER ARCHITECTURE

#27
20230362522
2023-11-09

SPLITTING APPARATUS, DUAL-MODE ONU, OPTICAL NETWORK SYSTEM, AND COMMUNICATION METHOD

#28
20230362520
2023-11-09

Optical communication system, monitoring device, and monitoring method

#29
20230361875
2023-11-09

OPTICAL NETWORK, NETWORK MANAGEMENT DEVICE, AND NETWORK MANAGEMENT METHOD

#30
20230344513
2023-10-26

Control plane triggered (CPT) optical protection switching (OPS)

#31
20230319444
2023-10-05

Method and system for allocating dedicated protected spectrum based on crosstalk awareness

#32
20230318702
2023-10-05

FAILURE DETECTION APPARATUS, CABLE BRANCHING DEVICE, AND TRANSMISSION PATH SURVEILLANCE METHOD

#33
20230318701
2023-10-05

Methods and Apparatus for Fault Tolerance in Multi-Wavelength Optical Interconnect Networks

#34
20230308186
2023-09-28

SUBMARINE OPTICAL CABLE SYSTEM

#35
20230308174
2023-09-28

Optical communication system and protection method for optical communication system

#36
20230239982
2023-07-27

Optical source switching method and apparatus

#37
20230232139
2023-07-20

Service Protection Method and Network Node

#38
20230224031
2023-07-13

Laser diode health monitoring

#39
20230198613
2023-06-22

Optical communication system and master station

#40
20230179297
2023-06-08

Distributed fiber optic sensor placement with shared protection

#41
20230171527
2023-06-01

ALTERNATE WIRELESS WAN CONNECTIVITY OVER 2.4 GHZ/5GHZ IN HOME ROUTERS

#42
20230155683
2023-05-18

Resistivity engineered substrate for RF common-mode suppression

#43
20230155674
2023-05-18

Optical communication system and master station

#44
20230155673
2023-05-18

Burst optical relaying device and burst optical relaying method

#45
20230146851
2023-05-11

Communication system and OLT system

#46
20230142562
2023-05-11

Optical communication system and master station

#47
20230135622
2023-05-04

Optical transmission apparatus and optical transmission method

#48
20230127899
2023-04-27

Optical network system, management device, optical transmission apparatus, and communications device

#49
20230099159
2023-03-30

Optical transmission apparatus and optical transmission method

#50
20230096052
2023-03-30

Alarm Processing Method and Apparatus

#51
20230091366
2023-03-23

APR PROTECTION METHOD AND DEVICE, AND COMPUTER STORAGE MEDIUM

#52
20230078178
2023-03-16

SERVICE RESOURCE PRECONFIGURATION METHOD AND DEVICE, AND SYSTEM

#53
20230064740
2023-03-02

High-density co-packaged optics networking system

#54
20230055033
2023-02-23

Optical communication system and optical communication method

#55
20230024620
2023-01-26

Method for supporting SNCP over packet network

#56
20230013125
2023-01-19

Passive optical communication network and aircraft containing said network

#57
20220416885
2022-12-29

Optronic transceiver module with integrated protection

#58
20220350099
2022-11-03

System for data transmission in optical systems

#59
20220329316
2022-10-13

Electrical layer subnetwork connection protection method, apparatus, and system

#60
20220321210
2022-10-06

Transmission apparatus and transmission method

#61
20220263571
2022-08-18

Path protection method and network node

#62
20220224410
2022-07-14

Protection switching based on exchange of protection information

#63
20220216915
2022-07-07

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

#64
20220214510
2022-07-07

Optical system with safety component

#65
20220166500
2022-05-26

Avoiding fiber damage on non-supervisory optical fiber links

#66
20220149932
2022-05-12

Distributed fiber optic sensor placement

#67
20220131605
2022-04-28

Fast system optimization (FSO) with optimally placed recovery tones

#68
20220103250
2022-03-31

FAULT PROTECTION METHOD, DEVICE, AND SYSTEM FOR OPTICAL NETWORK

#69
20220095435
2022-03-24

Optical source switching method and apparatus

#70
20220086545
2022-03-17

Network control method, apparatus, and system

#71
20220077947
2022-03-10

Optical transmission apparatus, optical transmission method, and program

#72
20220060256
2022-02-24

Methods and apparatuses to mitigate multicarrier failure for submarine optical links

#73
20220052763
2022-02-17

Resistivity engineered substrate for RF common-mode suppression

#74
20220029702
2022-01-27

Systems and methods for achieving best effort home route capacity on protection paths during optical restoration

#75
20220029701
2022-01-27

Spectrum coordination in optical line protection to minimize optical transceiver retuning

#76
20220021955
2022-01-20

Multi layer protection control for coherent DWDM networks

#77
20210409114
2021-12-30

Pointing unit

#78
20210409113
2021-12-30

Optical transmission system and unused channel verification method

#79
20210409112
2021-12-30

Protection method and system in flexible bandwidth optical networks with multi-core fiber

#80
20210367665
2021-11-25

Method and device for forwarding a digital signal

#81
20210336714
2021-10-28

Optical branching/coupling device and optical branching/coupling method

#82
20210226697
2021-07-22

SD-FEC defect propagation across regeneration nodes in support of single and multi-carrier super channel protection in ROADM networks

#83
20210211192
2021-07-08

OPTICAL SIGNAL REPEATER AND FAILURE DETERMINATION METHOD FOR OPTICAL SIGNAL REPEATER

#84
20210143904
2021-05-13

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

#85
20210126706
2021-04-29

Method for supporting SNCP over packet network

#86
20210111827
2021-04-15

Optical subcarrier dual-path protection and restoration for optical communications networks

#87
20210111826
2021-04-15

Optical subcarrier dual-path protection and restoration for optical communications networks

#88
20210111825
2021-04-15

Optical subcarrier dual-path protection and restoration for optical communications networks

#89
20210111807
2021-04-15

Optical subcarrier dual-path protection and restoration for optical communications networks

#90
20210111806
2021-04-15

Optical subcarrier dual-path protection and restoration for optical communications networks

#91
20210111805
2021-04-15

Optical subcarrier dual-path protection and restoration for optical communications networks

#92
20210111804
2021-04-15

Optical subcarrier dual-path protection and restoration for optical communications networks

#93
20210111788
2021-04-15

Optical subcarrier dual-path protection and restoration for optical communications networks

#94
20210091875
2021-03-25

Protection of channel connections in an optical network

#95
20200412444
2020-12-31

Method for configuring and operating redundant path in quantum communication network

#96
20200396001
2020-12-17

Generic non-client specific protection via TCM status and enhanced OTN network propagation of client faults

#97
20200382209
2020-12-03

Protection group superposition switching method, control apparatus, and optical communication device

#98
20200358525
2020-11-12

Hardware-based protection group switching method and optical communication equipment

#99
20200313789
2020-10-01

Optical branching/coupling device and optical branching/coupling method

#100
20200287622
2020-09-10

METHOD FOR EQUIPMENT SELECTION IN GENERALIZED MULTIPROTOCOL LABEL SWITCHING

#101
20200245045
2020-07-30

Coherent gigabit ethernet and passive optical network coexistence in optical communications module link extender related systems and methods

#102
20200228197
2020-07-16

Optical switch with path continuity monitoring for optical protection switching

#103
20200186252
2020-06-11

Method and system for redundant light sources by utilizing two inputs of an integrated modulator

#104
20200177275
2020-06-04

Systems and methods for communication link redundancy for distributed antenna systems

#105
20200162153
2020-05-21

Light source redundancy in optical communication devices

#106
20200137468
2020-04-30

Data Transmission Method and Transceiver Facilitating the Switching of Frequency Bands for Optical Channels

#107
20200136721
2020-04-30

Method for supporting SNCP over packet network

#108
20200106519
2020-04-02

Systems and methods for passive optical switching using MEMS mirror switches

#109
20200059711
2020-02-20

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

#110
20200044742
2020-02-06

Redundant backup near-end machine, far-end machine and system thereof for digital optical fiber repeater

#111
20200036439
2020-01-30

Service synchronization in retain home path scenarios in a control plane network

#112
20190379950
2019-12-12

Intelligence-defined optical tunnel network system and network system control method

#113
20190349080
2019-11-14

Method and device for controlling wavelength of light emitting assembly

#114
20190312636
2019-10-10

Sparing configurations and protocols for parallel fiber optics

#115
20190305870
2019-10-03

Optical branching/coupling device and optical branching/coupling method

#116
20190288778
2019-09-19

Method and system for redundant light sources by utilizing two inputs of an integrated modulator

#117
20190273557
2019-09-05

Transmission apparatus, transmission system, and transmission method

#118
20190260684
2019-08-22

Methods and apparatus for detecting a signal degradation using the pre-forward error correction bit error rate at an optical transponder

#119
20190260493
2019-08-22

Protection of channel connections in an optical network

#120
20190250345
2019-08-15

Optical system with safety component

#121
20190250333
2019-08-15

System for data transmission in optical systems

#122
20190222345
2019-07-18

Optical transmission system, optical transmission apparatus and transmission method

#123
20190222311
2019-07-18

Systems and methods for communication link redundancy for distributed antenna systems

#124
20190222306
2019-07-18

Method for supporting SNCP over packet network

#125
20190215059
2019-07-11

Optical switching system for optical line protection in single fiber transmission

#126
20190199447
2019-06-27

Submarine optical cable shore landing apparatus

#127
20190158940
2019-05-23

PROCEDURES, APPARATUSES, SYSTEMS, AND COMPUTER PROGRAMS FOR PROVIDING OPTICAL NETWORK CHANNEL PROTECTION

#128
20190132045
2019-05-02

Transparent deployment of packet services using optical transport network

#129
20190081845
2019-03-14

Method for protecting a link in an optical network

#130
20190074897
2019-03-07

Signal detection device and signal detection method

#131
20190037286
2019-01-31

Coherent gigabit ethernet and passive optical network coexistence in optical communications module link extender related systems and methods

#132
20190028189
2019-01-24

Optical transmitter device

#133
20190020408
2019-01-17

Communication bypass apparatus, method and non-transitory computer readable storage medium

#134
20190013870
2019-01-10

Photonic integrated circuit and optical transmitter

#135
20190007132
2019-01-03

Client protection switch in optical pluggable transceivers activated through fast electrical data squelch

#136
20180316418
2018-11-01

Protection apparatus for a bidirection optical link

#137
20180294621
2018-10-11

Reliable laser light source

#138
20180279024
2018-09-27

Optical signal processing method and optical cross-connect apparatus

#139
20180278341
2018-09-27

Submarine optical cable shore landing apparatus

#140
20180270009
2018-09-20

System and method of providing dark section free transport networks

#141
20180269987
2018-09-20

Optical receiver, optical transceiver comprising the same, and method of protecting a photodetector in the optical receiver with a transient event or a transient state determination

#142
20180269963
2018-09-20

METHOD AND APPARATUS FOR HOT STANDBY OF CONTROLLERS IN DISTRIBUTED PROTECTION

#143
20180248617
2018-08-30

Synchronization of optical protection switching and loading of path specific characteristics

#144
20180219629
2018-08-02

Sparing configurations and protocols for parallel fiber optics

#145
20180219619
2018-08-02

Optical add/drop device and optical add/drop method

#146
20180219618
2018-08-02

Proactive multi-layer mechanisms to protect packet-optical transport networks

#147
20180212700
2018-07-26

Apparatus for protecting an optical link

#148
20180152237
2018-05-31

TRANSMISSION DEVICE AND PATH SWITCHING METHOD

#149
20180152236
2018-05-31

Client protection switch in optical pluggable transceivers activated through fast electrical data squelch

#150
20180131776
2018-05-10

Efficient prioritized restoration of services in a control plane-based optical network

#151
20180102837
2018-04-12

System and method for automatic discovery of optical cable route

#152
20180102835
2018-04-12

TRANSMISSION DEVICE AND NETWORK SYSTEM

#153
20180091220
2018-03-29

Optical network system

#154
20180083697
2018-03-22

Branching configuration including a cross-coupling arrangement to provide fault tolerance and topside recovery in the event of subsea umbilical assembly failure and system and method including same

#155
20180070156
2018-03-08

Optical multiplexing and demultiplexing device, and method of controlling optical multiplexing and demultiplexing device

#156
20180041277
2018-02-08

Protected ethernet ring with small form-factor pluggable devices

#157
20180034542
2018-02-01

Network tap with battery-assisted and programmable failover

#158
20180006727
2018-01-04

Method and system for redundant light sources by utilizing two inputs of an integrated modulator

#159
20170366272
2017-12-21

Optical transmitters including photonic integrated circuit

#160
20170366255
2017-12-21

Systems and methods for path protection switching due to client protection switching

#161
20170353237
2017-12-07

Method and optical network for front haul protection

#162
20170353236
2017-12-07

Method for supporting SNCP over packet network

#163
20170353235
2017-12-07

Transmission system, transmission device, and transmission method

#164
20170338887
2017-11-23

Heuristic constraint driven optical channel protection

#165
20170332158
2017-11-16

PROCEDURES, APPARATUSES, SYSTEMS, AND COMPUTER PROGRAMS FOR PROVIDING OPTICAL NETWORK CHANNEL PROTECTION

#166
20170324472
2017-11-09

Framer and framing method

#167
20170324471
2017-11-09

Systems and methods for performing optical line terminal (OLT) failover switches in optical networks

#168
20170317953
2017-11-02

Dynamic adjustment of connection priority in networks

#169
20170310538
2017-10-26

Ethernet fabric protection in a disaggregated OTN switching system

#170
20170310413
2017-10-26

Virtual line cards in a disaggregated optical transport network switching system

#171
20170310387
2017-10-26

ODU path protection in a disaggregated OTN switching system

#172
20170222727
2017-08-03

Communication apparatus and carrier wave frequency control method

#173
20170201814
2017-07-13

Method and apparatus for determining a rogue ONU in a PON

#174
20170195080
2017-07-06

Systems and methods of time slot allocation for shared mesh protection on bundled links

#175
20170117957
2017-04-27

Protection switching across interconnecting node

#176
20170054524
2017-02-23

Scalable ultra dense hypergraph network for data centers

#177
20170054495
2017-02-23

Transmission line protection using traveling waves in optical ground wire fiber

#178
20170047991
2017-02-16

Apparatus And Method For Protection In A Data Center

#179
20170047990
2017-02-16

WAVELENGTH DIVISION MULTIPLEXING TRANSMISSION SYSTEM

#180
20170019167
2017-01-19

Optical transmission device and protection wavelength selection method

#181
20170019166
2017-01-19

Optical-electrical interface devices and systems with optical communication pathway redundancy

#182
20160380709
2016-12-29

Cable having a spare signal line for automatic failure recovery

#183
20160352418
2016-12-01

Method and apparatus for performing path protection for rate-adaptive optics

#184
20160344472
2016-11-24

Method and device for channel switching, optical network unit, and time wavelength division multiplexing system

#185
20160344471
2016-11-24

Adaptive preconfiguration in optical transport network

#186
20160337732
2016-11-17

System, method, and apparatus for daisy chain network protection from node malfunction or power outage

#187
20160337031
2016-11-17

Communication system, communication control method, and transmission apparatus

#188
20160329984
2016-11-10

Operationally resilient optical network

#189
20160323661
2016-11-03

Method and apparatus for transmitting and receiving client signal

#190
20160316281
2016-10-27

Super-channel multiplexing and de-multiplexing using a phased array switching engine

#191
20160315697
2016-10-27

Optical network monitoring and protection using a phased array switching engine

#192
20160315696
2016-10-27

Protection switching method and apparatus for minimizing data loss in optical transport network system

#193
20160308604
2016-10-20

Transmission apparatus and network control method

#194
20160301467
2016-10-13

Low cost secure ROADM branching unit with redundancy protection

#195
20160285557
2016-09-29

Sparing configurations and protocols for parallel fiber optics

#196
20160277099
2016-09-22

Method and device for realizing optical channel data unit shared protection ring

#197
20160269105
2016-09-15

Optical communication system and optical communication abnormality-recovery method

#198
20160261339
2016-09-08

Multi-lane transmission device and multi-lane transmission method

#199
20160261338
2016-09-08

Apparatus and methods for enabling recovery in optical networks

#200
20160241936
2016-08-18

Optical transmission device, optical transmission system, and optical transmission control method

#201
20160241337
2016-08-18

Optical cross-bar switch that provides stable, low-loss, fiber-optic path protection

#202
20160234582
2016-08-11

Method and system for redundancy in a passive optical network

#203
20160204856
2016-07-14

Survivable hybrid optical/electrical data center networks using loss of light detection

#204
20160182150
2016-06-23

Systems and methods for managing power at an optical network terminal

#205
20160173225
2016-06-16

WDM single fiber ring protection

#206
20160164596
2016-06-09

Methods and systems for recovery in coherent optical networks

#207
20160156410
2016-06-02

Method, system and node for implementing automatic protection switching in optical burst-switching ring

#208
20160134361
2016-05-12

Generalized service protection systems and methods

#209
20160134360
2016-05-12

Optical transmission line switching apparatus and optical transmission system

#210
20160127035
2016-05-05

Optical network system

#211
20160127034
2016-05-05

Network protection through excess directions of reconfigurable optical add/drop multiplexor (ROADM)

#212
20160112118
2016-04-21

Optical link protection using common modulation of multiple combined wavelengths

#213
20160094289
2016-03-31

Method for supporting SNCP over packet network

#214
20160080234
2016-03-17

Determining feasibility of a network service using a ring analysis

#215
20160080075
2016-03-17

Method and apparatus for performing path protection for rate-adaptive optics

#216
20160072575
2016-03-10

Systems and methods for optical dark section conditioning

#217
20160056887
2016-02-25

Optical transport system

#218
20160056886
2016-02-25

Multi-lane transmission device and multi-lane transmission method

#219
20160036553
2016-02-04

Node apparatus

#220
20160036522
2016-02-04

Network design apparatus, network design method, and storage medium storing network design program

#221
20160036521
2016-02-04

Transmission device, network designing device, activation method, and network designing method

#222
20160028474
2016-01-28

Method of resizing a protected ODUflex connection in an optical transport network

#223
20160020850
2016-01-21

Apparatus and method for protection switching in optical transport network (OTN) suporting ODUflex(GFP)

#224
20160013864
2016-01-14

Communications network

#225
20160006502
2016-01-07

Protection for optical transport network using operational status of dual homed attachment circuits

#226
20150358075
2015-12-10

Short-term optical recovery systems and methods for coherent optical receivers

#227
20150349879
2015-12-03

Optical branching/insertion device, optical branching/insertion method and recording medium

#228
20150334004
2015-11-19

Optical layer protection switching applications

#229
20150326309
2015-11-12

Protection for optical transport network with dual homed attachment circuits

#230
20150288444
2015-10-08

Service Protection Method, Optical Line Terminal, and System In Passive Optical Network

#231
20150270893
2015-09-24

Apparatus and methods for enabling recovery from failures in optical networks

#232
20150253509
2015-09-10

Apparatus and methods for use with optical rotating joint

#233
20150244470
2015-08-27

Coordination systems and methods between data control plane and photonic control in optical networks

#234
20150244454
2015-08-27

Fast protection switching method for passive optical network

#235
20150244453
2015-08-27

WSON restoration

#236
20150215033
2015-07-30

Protection switching method, system, and apparatus for passive optical network

#237
20150215032
2015-07-30

Apparatus and method for optimizing the reconfiguration of an optical network

#238
20150200723
2015-07-16

Protection path providing method and transmission device

#239
20150198768
2015-07-16

Fiber optic circuit breaker

#240
20150188625
2015-07-02

METHOD FOR REALIZING TIME REDUCTION IN SHARED MESH NETWORK

#241
20150188624
2015-07-02

Multi layer network resiliency with software defined orchestration

#242
20150180604
2015-06-25

Unidirectional multicast system

#243
20150156569
2015-06-04

Optical transmission system

#244
20150155945
2015-06-04

Optical transmitter and optical communication device

#245
20150147055
2015-05-28

OPTICAL SYSTEM, OPTICAL DEVICE, AND OPTICAL CONNECTION METHOD

#246
20150125141
2015-05-07

Procedures, apparatuses, systems, and computer programs for providing optical network channel protection

#247
20150117851
2015-04-30

Using floating transport card for best effort traffic

#248
20150117850
2015-04-30

Optimization of photonic services with colorless and directionless architecture

#249
20150106679
2015-04-16

Defect propagation of multiple signals of various rates when mapped into a combined signal

#250
20150093110
2015-04-02

Optical network system architecture

#251
20150085698
2015-03-26

Determining feasibility of a network service using a ring analysis

#252
20150078739
2015-03-19

Apparatus and methods for enabling recovery in optical networks

#253
20150055945
2015-02-26

Protection in metro optical networks

#254
20150050015
2015-02-19

High-reliability active optical cable (AOC) with redundant emitters

#255
20150043904
2015-02-12

Method and apparatus for performing path protection for rate-adaptive optics

#256
20150030321
2015-01-29

Redundancy and interoperability in multi-channel optoelectronic devices

#257
20150016815
2015-01-15

Adding new alternative paths for restoration in WSON network

#258
20150003822
2015-01-01

Self-diagnostic method for PON protection system, and PON protection system

#259
20140363152
2014-12-11

Communication system, communication control method, and transmission apparatus

#260
20140341570
2014-11-20

Amortization of expensive optical components

#261
20140341561
2014-11-20

Cooperative multi-point (CoMP) in a passive optical network (PON)

#262
20140341560
2014-11-20

Protection channel provisioning method and node equipment

#263
20140334811
2014-11-13

Apparatus And Method For Conserving Power In A Passive Optical Network

#264
20140321845
2014-10-30

PASSIVE OPTICAL NETWORK PON PROTECTION METHOD AND APPARATUS

#265
20140321844
2014-10-30

Method of carrying out fast switching in optical communication networks

#266
20140286634
2014-09-25

Transceiver system, transmission device, reception device, and control method of transceiver system

#267
20140286633
2014-09-25

Transponder and optical transmission apparatus

#268
20140241712
2014-08-28

Large-capacity fiber optical switching device and optical transmission system

#269
20140233939
2014-08-21

Systems and methods of communicating path status in optical networks

#270
20140226967
2014-08-14

Demand advertisement method for shared mesh protection path computation

#271
20140226966
2014-08-14

Network and method for providing redundancy in an optical distribution network

#272
20140219654
2014-08-07

Optical network system

#273
20140219648
2014-08-07

Method for protecting a PON from photoreceiver overload by an ONT

#274
20140212129
2014-07-31

Remote radio header selection

#275
20140205278
2014-07-24

Call setup systems and methods using dynamic link tagging and overbooking of links in multi-domain transport networks

#276
20140199062
2014-07-17

Protection for Fibre Optic Access Networks

#277
20140193146
2014-07-10

Apparatus and Method For Optical Transport Networks

#278
20140186020
2014-07-03

Apparatus and methods for enabling recovery from failures in optical networks

#279
20140186019
2014-07-03

Methods and systems of preserving client overhead bytes in optical transport network tunneling applications

#280
20140178074
2014-06-26

Method for acquiring PON port association relationship, optical network device, and optical network system

#281
20140169782
2014-06-19

NETWORK DESIGN APPARATUS AND NETWORK DESIGN METHOD

#282
20140161438
2014-06-12

Protection for distributed radio access networks

#283
20140161437
2014-06-12

Apparatus and method for switching a communication path

#284
20140147106
2014-05-29

Rapid recovery in packet and optical networks

#285
20140126899
2014-05-08

Mesh restoration and bandwidth allocation systems and methods for shared risk connection groups

#286
20140119722
2014-05-01

Transmission apparatus, transmission system, and failure detection method

#287
20140112654
2014-04-24

Optical line transmission protection system and method

#288
20140105592
2014-04-17

System and Method of Redundancy in Network Communications

#289
20140093232
2014-04-03

Method for protection of multi-wavelength passive optical network

#290
20140086571
2014-03-27

PASSIVE OPTICAL NETWORK WITH IMMEDIATE FAULT PROTECTION AND METHOD FOR PROTECTING SERVICES OF THE SAME

#291
20140056581
2014-02-27

TIMER VALUE NEGOTIATION FOR PATH CONFIGURATION BASED ON RSVP-TE

#292
20140050471
2014-02-20

Apparatus And Method For Providing Protection In A Passive Optical Network

#293
20140050470
2014-02-20

Method for resizing network connection in the optical transport network supporting protection switching

#294
20140016924
2014-01-16

PROCEDURE AND SYSTEM FOR OPTICAL NETWORK SURVIVAL AGAINST MULTIPLE FAILURES

#295
20130343757
2013-12-26

Optical path switching

#296
20130294762
2013-11-07

Optical transmission device and optical transmission method

#297
20130258840
2013-10-03

Generalized service protection systems and methods

#298
20130243418
2013-09-19

Fiber protection and power save with security

#299
20130243417
2013-09-19

Method and apparatus for protection switching in optical transport network

#300
20130236168
2013-09-12

Optical transmission apparatus and optical transmission method