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Matches 1 - 50 out of 21,606

Document Document Title
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...  
WO/2017/152626A1
The present invention relates to the field of communications. A method for generating a Cn value by a generic mapping procedure (GMP) mapping in an optical transport network (OTN), the method comprising: in each cycle, counting rate info...  
WO/2017/143940A1
Disclosed are a switching method and a switching system. The switching system comprises a service processor and a switch, wherein the service processor and the switch are connected by means of a first back plate; the service processor is...  
WO/2017/144895A1
A universal interferometer (100) for coupling modes of electromagnetic radiation according to a transformation has N inputs and N outputs for inputting and outputting N modes of electromagnetic radiation into and from the interferometer....  
WO/2017/144375A1
An optical network node (320) comprising a plurality of interfaces (30, 32), each interface for exchanging optical signals between the optical network node and a different one of a plurality of passive optical networks (PONS). Each inter...  
WO/2017/140263A2
An apparatus includes a processor configured to determine a set of first lanes associated with a PON, select a subset of second lanes from the set, and perform lane bonding by bonding the subset to an ONU. A transmitter coupled to the pr...  
WO/2017/140263A3
An apparatus includes a processor configured to determine a set of first lanes associated with a PON, select a subset of second lanes from the set, and perform lane bonding by bonding the subset to an ONU. A transmitter coupled to the pr...  
WO/2017/139776A1
Systems and Methods for reducing distortion due to bursts of upstream transmission in an HFC CATV network. In some preferred systems, the functionality of an Optical Network Unit (ONU) may occur within a node or amplifier along a directi...  
WO/2017/131762A1
Example methods and apparatus to implement an electrical/optical transceiver to facilitate data transfer are disclosed. An example apparatus includes an electrical transceiver lane to transfer data at a first bandwidth over an electrical...  
WO/2017/128970A1
Disclosed in embodiments of the present invention are an ONU state transition method, an ONU, and a computer storage medium, the method comprising: when an ONU is at a total sleep state and only downlink data are detected, controlling th...  
WO/2017/113977A1
Provided in an embodiment of the invention are a configuration method and device for an optical multiplexer/demultiplexer (OMD). The method comprises: assigning, to different sets, optical multiplex sections (OMSs) corresponding to diffe...  
WO/2017/113814A1
A method for realizing optical network unit activation, wherein an optical network unit (ONU) communicates with an optical line terminal (OLT) via a plurality of paths. The method comprises: an OLT discovering an ONU in one of the paths;...  
WO/2017/108583A1
The invention relates to a system for immersing at least one first user (1) in a virtual or augmented reality, comprising an immersion space (2) in which said at least one first user (1) is able to move. According to the invention, the s...  
WO/2017/111940A1
An optical communication system with optical switches is described. Embodiments of an optical communication system with optical switches include a light source, a plurality of downhole optical devices communicatively coupled to the light...  
WO/2017/101432A1
Provided are an intelligent optical distribution network (iODN) line card and an optical distribution network (ODN) equipment. The iODN line card uses an antenna array to scan an RFID electronic tag on an optical connector to obtain an i...  
WO/2017/102628A1
A method for communication between two endpoints (300), (302) over an optical distribution network (314) where the endpoints are connected to the optical distribution network over optical network units (304), (306). These optical network...  
WO/2017/097020A1
Disclosed is a passive optical network compatible device, which respectively adopts a first mode and a second mode to restore uplink data of an optical network unit (ONU), and respectively performs differential into single-end processing...  
WO/2017/097008A1
Disclosed in an embodiment of the present invention is an access method for multiple optical network units (ONUs). The method comprises: virtualizing more than one ONUs on an ONU card, each virtualized ONU being corresponding to an SN an...  
WO/2017/097034A1
Disclosed is a time stamp processing method for a time message in an optical transport network, comprising: determining time of a message header of a time message and a corresponding first multi-frame number according to a frame header a...  
WO/2017/095749A1
Methods, systems, and apparatus for Passive Optical Network (PON) wavelength bonding are disclosed. In one aspect, a first frame of data to a first optical network unit (ONU) is transmitted by an optical line terminal (OLT) over a first ...  
WO/2017/092212A1
Disclosed is a general mounting structure for assembling an intelligent module to a fusion splice protector. The structure comprises a first connector, a second connector and a third connector, wherein the first connector is configured t...  
WO/2017/088724A1
The embodiments of the invention disclose an optical signal processing method and optical cross-connect device. The method comprises: an input terminal i of an optical cross-connect device first receives a first optical signal; a transmi...  
WO/2017/091353A1
The communication system (100) has first and second optical systems (300a, 300b) and an optical feed fiber (20) in communication with the first optical system and arranged to convey a feeder optical signal (S3) to the second optical syst...  

Matches 1 - 50 out of 21,606