ClassID:

224552

H04J14/0257 - page 2 - CPC Classification

Classification description:

Optical multiplex systems; Wavelength-division multiplex systems; Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation; Optical medium access at the optical channel layer Wavelength assignment algorithms

Recent Application in this class:
#301
20120093507
2012-04-19

Dynamic circuit adjustment

#302
20120076490
2012-03-29

Method for transmitting impairment information, node, and network system

#303
20120070148
2012-03-22

K-alternate channel selection for the routing, wavelength assignment and spectrum allocation in flexible optical WDM networks

#304
20120063779
2012-03-15

Method, apparatus and system for advertising routing protocol message and calculating route

#305
20120054710
2012-03-01

Optical network design apparatus and method

#306
20120045206
2012-02-23

Multi-chassis router with multiplexed optical interconnects

#307
20120033974
2012-02-09

Optical communication system, optical communication apparatus, and optical communication method thereof

#308
20120033970
2012-02-09

Path computation element method to support routing and wavelength assignment in wavelength switched optical networks

#309
20120033968
2012-02-09

Optical communications network node and method of controlling data transmission between optical communications network nodes

#310
20120014696
2012-01-19

Novel wavelength allocation for RFoG/GPON/10GPON Coexistence on a single fiber

#311
20120008947
2012-01-12

All-optical data center network

#312
20120008945
2012-01-12

Optical switching network

#313
20120008944
2012-01-12

OPTICAL SWITCHING NETWORK

#314
20120008943
2012-01-12

OPTICAL SWITCHING NETWORK

#315
20120002968
2012-01-05

SYSTEM AND METHODS FOR QUANTUM KEY DISTRIBUTION OVER WDM LINKS

#316
20110318004
2011-12-29

TRANSMISSION AND ROUTING OF OPTICAL SIGNALS

#317
20110268439
2011-11-03

Selecting an optical path for a new connection with the minimum number of optical regenerators

#318
20110229137
2011-09-22

Tunable receiver

#319
20110229136
2011-09-22

Long reach optical network

#320
20110228381
2011-09-22

Optical amplifying device, gain control method, optical transmission device, and gain control device

#321
20110211836
2011-09-01

System and method for optimizing the selection of ghost channels in mitigating polarization hole burning

#322
20110211835
2011-09-01

System and method for mitigating polarization hole burning

#323
20110211827
2011-09-01

System and method for performing in-service optical fiber network certification

#324
20110206374
2011-08-25

System and method for demand aggregation in optical networks employing shared ring protection

#325
20110188856
2011-08-04

Optical swapping of digitally-encoded optical labels

#326
20110182576
2011-07-28

Method for engineering connections in a dynamically reconfigurable photonic switched network

#327
20110170862
2011-07-14

OPTICAL COMMUNICATIONS IN RECIPROCAL NETWORKS BASED ON WAVELENGTH SWITCHING

#328
20110170690
2011-07-14

Secure orthogonal frequency multiplexed optical communications

#329
20110158647
2011-06-30

Wavelength assignment in an optical WDM network

#330
20110158646
2011-06-30

Medium access control device and method for optical packet-switched metro WDM slotted-ring networks

#331
20110150473
2011-06-23

Data center with free-space optical communications

#332
20110142450
2011-06-16

Use of pre-validated paths in a WDM network

#333
20110135302
2011-06-09

Apparatus and method for packet-optical integrated transport

#334
20110129222
2011-06-02

System and method for optical bypass routing and switching

#335
20110123195
2011-05-26

Method for operating transparent node for WDM shared “virtual ring” networks

#336
20110116790
2011-05-19

Wavelength path communication node apparatus, wavelength path communication control method, and recording medium

#337
20110081148
2011-04-07

Method for routing and wavelength assignment information encoding for wavelength switched optical networks

#338
20110081147
2011-04-07

Method for characterizing wavelength switched optical network signal characteristics and network element compatibility constraints for generalized multi-protocol label switching

#339
20110064404
2011-03-17

Network restoration under dual failures using path protecting preconfigured cycles

#340
20110038627
2011-02-17

Allocation of transmission power in an optical communication system

#341
20110026925
2011-02-03

Hybrid optical add-drop multiplexing network and wavelength allocation for the same

#342
20110013910
2011-01-20

Wavelength real time display on the equipment for WDM optical networking systems with wavelength tunable capability

#343
20100329155
2010-12-30

Method and apparatus for realizing source routing in a blocking cross network

#344
20100310251
2010-12-09

Optical transmission systems, devices, and methods

#345
20100290785
2010-11-18

Optical WDM transmitting and receiving device and optical transceiver unit for this device

#346
20100272439
2010-10-28

Optical network system and memory access method

#347
20100272435
2010-10-28

Channel validation in optical networks using multi-channel impairment evaluation

#348
20100272434
2010-10-28

Channel validation in optical networks using multi-channel impairment evaluation

#349
20100266279
2010-10-21

MULTIPLE REDUNDANCY SCHEMES IN AN OPTICAL NETWORK

#350
20100226650
2010-09-09

Assignment of channel colors in optical networks

#351
20100221003
2010-09-02

Open shortest path first extensions in support of wavelength switched optical networks

#352
20100220999
2010-09-02

Encoding of wavelength converter systems

#353
20100220998
2010-09-02

Network management system, repeater, and repeating method

#354
20100220996
2010-09-02

Path computation element protocol (PCEP) operations to support wavelength switched optical network routing, wavelength assignment, and impairment validation

#355
20100220995
2010-09-02

Information encoding for impaired optical path validation

#356
20100209099
2010-08-19

Network restoration under link or node failure using preconfigured virtual cycles

#357
20100202773
2010-08-12

System and method for impairment-aware routing and wavelength assignment in wavelength switched optical networks

#358
20100183299
2010-07-22

Wavelength assignment in an optical WDM network

#359
20100166421
2010-07-01

Apparatus and method for designing network

#360
20100158531
2010-06-24

Channel assignment method and apparatus for wavelength-division-multiplexed transmission system

#361
20100158529
2010-06-24

Method for wavelength assignment in a WDM network

#362
20100158528
2010-06-24

System for routing and wavelength assignment in wavelength division multiplexing optical networks

#363
20100158527
2010-06-24

Optical communication system using WDMA and CDMA

#364
20100158520
2010-06-24

LAN EMULATION METHOD IN WDM-PON AND INFORMATION STORAGE MEDIUM

#365
20100142953
2010-06-10

Wavelength division multiplexing transmission system and remote apparatus and station apparatus used therein

#366
20100142943
2010-06-10

Dynamic performance monitoring systems and methods for optical networks

#367
20100135661
2010-06-03

ETHERNET-BASED NEXT GENERATION OPTICAL TRANSPORT NETWORK APPARATUS AND TRAFFIC GROOMING METHOD THEREOF

#368
20100129076
2010-05-27

METHOD AND APPARATUS FOR SPECTRAL BAND MANAGEMENT

#369
20100111527
2010-05-06

Degree extending method and optical hub node apparatus

#370
20100086308
2010-04-08

Electro-optic conversion module, optic-electro conversion module and conversion methods thereof

#371
20100080568
2010-04-01

Optical swapping of digitally-encoded optical labels

#372
20100074447
2010-03-25

System and methods for quantum key distribution over WDM links

#373
20100067899
2010-03-18

Standby restoration signaling for optical networks

#374
20100061719
2010-03-11

Utilizing optical bypass links in a communication network

#375
20100054739
2010-03-04

Method for coordinating an uplink TDMA access shared by several sub-networks of a passive optical network (PON)

#376
20100046945
2010-02-25

Multiple star wavelength division multiplexing passive optical networks using a wavelength assignment method

#377
20100040367
2010-02-18

Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method

#378
20100040366
2010-02-18

Method and apparatus for displaying and identifying available wavelength paths across a network

#379
20100028006
2010-02-04

Channel wavelength assignment with transient reduction

#380
20100014859
2010-01-21

Optimized dynamic routing in an optical network

#381
20090324220
2009-12-31

Communication network with node bypassed co-routed multi-channel traffic

#382
20090310967
2009-12-17

Method and apparatus for transmitting multiple channels in a wavelength division multiplexed (WDM) optical communication system with reduced raman crosstalk and nonlinear distortions

#383
20090304383
2009-12-10

Optical network systems and methods for operating same

#384
20090290879
2009-11-26

Wavelength distribution for optical transport

#385
20090274464
2009-11-05

METHOD, SYSTEM AND DEVICE FOR SETTING UP WAVELENGTH CONNECTION

#386
20090269057
2009-10-29

WAVELENGTH ROUTE SELECTION SYSTEM AND WAVELENGTH ROUTE SELECTION METHOD

#387
20090257748
2009-10-15

OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION METHOD

#388
20090257746
2009-10-15

OSS support for control plane technology

#389
20090196609
2009-08-06

OPTICAL COMMUNICATION APPARATUS AND OPTICAL LAN SYSTEM

#390
20090196608
2009-08-06

Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method

#391
20090185804
2009-07-23

Optical access network system

#392
20090180491
2009-07-16

System and method for bandwidth management in ethernet-based fiber optic TDMA networks

#393
20090169214
2009-07-02

Unified optical connector architecture

#394
20090148163
2009-06-11

Method for operating transparent node for WDM shared “virtual ring” networks

#395
20090129771
2009-05-21

DESIGN METHOD FOR WDM OPTICAL NETWORKS INCLUDING ALTERNATE ROUTES FOR FAULT RECOVERY

#396
20090110395
2009-04-30

Path computation element method to support routing and wavelength assignment in wavelength switched optical networks

#397
20090080886
2009-03-26

Extending path computation element protocol to accommodate routing and wavelength assignment in wavelength switched optical networks

#398
20090060512
2009-03-05

Distributed wavelength conversion control for signaling protocols

#399
20090060505
2009-03-05

Distributing wavelength compatible with signaling protocols

#400
20090052895
2009-02-26

Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method

#401
20090034971
2009-02-05

Multiple redundancy schemes in an optical network

#402
20080304828
2008-12-11

Optical communication system using WDMA and CDMA

#403
20080225723
2008-09-18

Optical Impairment Aware Path Computation Architecture in PCE Based Network

#404
20080145051
2008-06-19

Long reach optical network

#405
20080050115
2008-02-28

OPTICAL COMMUNICATION SYSTEM, OPTICAL COMMUNICATION APPARATUS, AND OPTICAL COMMUNICAITON METHOD THEREOF

#406
20080044181
2008-02-21

Multi-chassis router with multiplexed optical interconnects

#407
20070065155
2007-03-22

System and methods for quantum key distribution over WDM links

#408
20060056846
2006-03-16

Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method

#409
20060051090
2006-03-09

Design method for WDM optical networks including alternate routes for fault recovery

#410
20060039696
2006-02-23

Method for WDM optical networks including alternate routes for fault recovery

#411
20050191054
2005-09-01

Optical network with selective mode switching

#412
17160422
2022-04-12

Communication between data centers using a multi-core fiber

#413
16508392
2020-08-04

Partial activation of a media channel on channel holder-based optical links

#414
16203930
2019-10-15

Method and system for autonomous discovery of colored interface mappings across routing and optical layers

#415
16163729
2019-09-03

Flexible grid bulk spectrum assignment systems and methods

#416
16057453
2020-11-24

Systems and methods for identifying rogue optical network units in optical networks with wavelength-division multiplexing

#417
15978879
2019-07-09

Spectral slot assignment and placement of wavelength shifters in flexible grid optical networks

#418
15480730
2017-06-27

Method, topology and point of presence equipment for serving a plurality of users via a multiplex module

#419
15458193
2018-07-31

Method for determining optical network utilization efficiency

#420
15375532
2019-06-11

Reconfigurable optical router