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Matches 1 - 50 out of 21,610

Document Document Title
WO/2018/071560A1
An optically-addressable optical switch is disclosed. The optically-addressable optical switch receives, using an optical input, a first optical signal or portion of an optical signal and determines, based on the received optical signal,...  
WO/2018/068726A1
A method for constructing an optical network includes connecting each of a plurality of nodes in an optical network to an optical switching central node via a set of optical superchannels, wherein each of the optical superchannels includ...  
WO/2018/068205A1
A demultiplexing method and apparatus for code division multiplexing for solving the problem in the prior art that there are relatively high requirements for hardware in an ONU in a demultiplexing implementation mode in an electric domai...  
WO/2018/071359A2
Various embodiments relate to bi-directional optical communication. An optical system may include a first transceiver module including at least one transmitter and at least one receiver, wherein each transmitter of the at least one trans...  
WO/2018/065031A1
A data center network node (28) comprises one or more switch (18,19,22,23) configured to link an optical transceiver (16,17) to an optical connection comprising a multi-core optical fiber (30) having a plurality of cores (31 ). For each ...  
WO/2018/067821A1
A method comprises monitoring, by a control module of a wireless communications terminal, factors related to a first data path for transmission/reception of data communications by the wireless communications terminal over a wireless data...  
WO/2018/063421A1
A system that utilizes data over cable service interface specification (DOCSIS) over passive optical networks is disclosed. An example system includes core system in a passive optical network (PON), comprising a memory; and one or more p...  
WO/2018/054209A1
The present invention provides a method, device and system for establishing a transport multi-protocol packet segmented layer (TMS). The method comprises: acquiring information of at least two packet-optical transport network (POTN) appa...  
WO/2018/050949A1
A network element of a cable television (CATV) network, said network element comprising a distributed access node comprising a core network interface for receiving a plurality of broadcast multiplexes; means for dividing the plurality of...  
WO/2018/053440A1
A switch module includes a switch integrated circuit (IC), a photonic integrated circuit (PIC), and a planar lightwave circuit (PLC). The PIC may include a plurality of light sources, an optical splitter, and a plurality of modulators. A...  
WO/2018/040549A1
Provided are an optical switch matrix and a control method thereof. The problem of the polarization dependent loss (PDL) and dispersion group delay (DGD) being greater after optical signals in an optical communication network are process...  
WO/2018/040384A1
Disclosed are an optical multiplexing and demultiplexing module having an automatic discovery function, comprising a signal transmission part and a signal reception part. The signal transmission part transmits, by modulating a laser tran...  
WO/2018/036032A1
A tunable optical filter based on a vernier principle. The tunable optical filter consists of an optical path part and a control part. The optical path part comprises: an incident collimator (10), used for inputting an optical signal; an...  
WO/2018/034848A1
Aspects and techniques of the present disclosure relate to a fiber optic communications network that includes a loop back connector in conjunction with one or more distribution devices daisy chained together to index optical fibers withi...  
WO/2018/029681A1
Embodiments of the disclosure relate to partitioning a time-division-based communications link for communicating multiple types of communications signals in a wireless distribution system (WDS). A WDS is configured to communicate multipl...  
WO/2018/023856A1
The present invention relates to a multipoint-to-multipoint intelligent indoor signal coverage system, mainly comprising AU units, an iHUB unit, and remote units (RUs). (1) After each AU unit accesses multiple signal sources, digital sig...  
WO/2018/020317A1
The present disclosure provides a method of controlling data forwarding of an optical network unit (ONU) in a passive optical network (PON) system, wherein a management entity is created in the ONU, the management entity supporting manag...  
WO/2018/017258A1
Technologies for switching network traffic include a network switch. The network switch includes one or more processors and communication circuitry coupled to the one or more processors. The communication circuity is capable of switching...  
WO/2018/017261A1
Various embodiments are generally directed to an apparatus, method and other techniques to receive a packet via an optical fabric, the packet comprising a switch mode indicator, determine a switch mode for the packet based on the switch ...  
WO/2018/017255A1
Technologies for optical communication in a rack cluster in a data center are disclosed. In the illustrative embodiment, a network switch is connected to each of 1,024 sleds by an optical cable that enables communication at a rate of 200...  
WO/2018/017663A1
Embodiments of a computing device and optical data switching circuitry are generally described herein. A processing element of the optical data switching circuitry may generate a plurality of optical data signals, and may send the optica...  
WO/2018/017235A1
Technologies for accelerating data writes include a managed node that includes a network interface controller that includes a power loss protected buffer and non-volatile memory. The managed node is to receive, through the network interf...  
WO/2018/013987A1
A laser module includes a laser source and an optical marshalling module. The laser source is configured to generate and output a plurality of laser beams. The plurality of laser beams have different wavelengths relative to each other. T...  
WO/2018/006314A1
An optical routing device, comprising: N first input terminals (I0, I1, ..., I(N-1)), M first output terminals (O0, O1, ..., O(M-1)) and a wavelength routing module (11). The wavelength routing module (11) comprises M micro-ring arrays (...  
WO/2018/006616A1
The embodiments of the present disclosure relate to a signal processing method and device in an optic fibre communication system. The method comprises dividing electric signals of a plurality of receivers for the optic fibre communicatio...  
WO/2018/007649A1
A fiber optic distribution terminal includes a spool arrangement including a cable spool and a housing that rotate in unison relative to a base. The housing defines a multi-fiber connection port and a termination region. The termination ...  
WO/2018/006617A1
Related are an optical communication method and apparatus. For example, provided is a method implemented at a passive optical network device, and the passive optical network device is configured to perform high-speed communication throug...  
WO/2018/000387A1
The present invention relates to the technical field of communications. Disclosed are a channel training method, device and system, capable of solving the problem wherein, in a PON, a newly added ONU cannot register on-line in a timely m...  
WO/2018/001280A1
Disclosed are a method for transporting a client signal in an optical transport network, and an optical transport network device. The method comprises: dividing payloads of an optical payload unit signal into m time slots with a first gr...  
WO/2018/000311A1
Provided in the embodiments of the present application are a network node and an up-and-down wave unit, used to reduce a cost of a coherent division multiplexing network system. The embodiments of the present application comprise: a rece...  
WO/2017/219361A1
The present application relates to the technical field of network communications, and in particular to a method for distributing electrical signal data in an OTN network, and a related apparatus. The method involves: acquiring a data uni...  
WO/2017/219966A1
A low-level reset message having a reset level provides a mechanism for an optical line terminal (OLT) to remotely reset a dysfunctional optical network unit (ONU). The reset message includes a reset level field which allows the OLT to i...  
WO/2017/211413A1
The invention relates to an optical communication system and method, the system comprising at least two optical channels for communicating optical data signals; at least one optical filter arrangement (5, 50) for compensating distortions...  
WO/2017/210351A1
An optically-switch data network includes an optical data bus, an optical wavelength bus, and multiple nodes connected by the optical data bus and the optical wavelength bus. A first node determines that it has communication information ...  
WO/2017/206446A1
The utility model relates to the technical field of communication engineering and provides a digital cross connection apparatus for communication engineering, comprising a plurality of digital cross devices. The bottom of each digital cr...  
WO/2017/206726A1
Provided in the present invention are a method and a device for determining the type of an ONU, an OLT, and a storage medium. The method comprises: receiving data sent by a designated optical network unit (ONU), and determining a data tr...  
WO/2017/202106A1
A waveband routing method based on a series structure layering optical cross connection, the method comprising: S1, respectively arranging a series structure layering optical cross connection in a plurality of network nodes; S2, based on...  
WO/2017/193539A1
The invention relates to the technical field of OTN network element management, and in particular, to a method and system for selecting an internal path in an OTN network element on the basis of a depth-first search algorithm. The method...  
WO/2017/193879A1
Provided are a data transmission method, apparatus and system. The method comprises: an optical line terminal (OLT) acquiring all wavelength channels supported by an optical network unit (ONU); the OLT performing ranging on the ONU on th...  
WO/2017/197349A1
This specification generally relates to methods and systems for applying network policies to devices based on their current access network. One example method includes receiving a message from a device over a network, the message associa...  
WO/2017/193711A1
Disclosed are a data transmission method and device. The method comprises: a first network node sends first data to be sent to a second network node to the second network node by means of two or more channels evenly, wherein the first ne...  
WO/2017/192894A1
A system for performing failover switches in an optical network, such as a time and wavelength division passive optical networks (TWDM PON) like NG-PON2, includes a backup optical line terminal (OLT) for backing up communications of a pr...  
WO/2017/184860A1
Methods, systems, and apparatus for Passive Optical Network (PON) wavelength bonding are disclosed. In one aspect, an optical line terminal (OLT) controller comprises: a first communications interface over which the OLT controller intera...  
WO/2017/181505A1
An all-optical buffer based on an array waveguide grating router (1). An input port and an output port of the array waveguide grating router (1) respectively serve as a total input end and a total output end, and the remaining input port...  
WO/2017/166576A1
Provided in the present application are a registration method and device for an optical network unit, and optical line terminal. The registration method for an optical network unit (ONU) is applied to an optical line terminal (OLT). The ...  
WO/2017/167915A1
A telecommunications access network comprises a primary aggregation point (20) in the form of an exchange (20), a plurality of optic fibre to metallic pair interface aggregation points (40a-40c) which may be in the form of Distribution P...  
WO/2017/163130A3
A system and method for measuring propagation delays and other delays in an optical switching system. A transmitter is connected, through a circuit switch, to a receiver. To measure the propagation delay between the transmitter and the r...  
WO/2017/163130A2
A system and method for measuring propagation delays and other delays in an optical switching system. A transmitter is connected, through a circuit switch, to a receiver. To measure the propagation delay between the transmitter and the r...  
WO/2017/158027A1
An optoelectronic switch for transferring a signal from an input device for an output device, the optoelectronic switch including: a plurality of leaf switches, each having a radix R, and arranged in an L-dimensional array, in which the ...  
WO/2017/157124A1
Provided in an embodiment of the invention are a message transmission method, a relay apparatus and a message processor capable of reducing maintenance costs. The method comprises: a relay apparatus receives a downlink message transmitte...  

Matches 1 - 50 out of 21,610