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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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;...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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WO/2017/085513A1 |
A system comprising: an optical link comprising multiple spans of optical fiber (130) and multiple network elements (310a, 310b...310n); and at least one switch (400a, 400b...400n) configured to reverse a direction that at least one of t...
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WO/2017/079894A1 |
Provided are a method for controlling a rogue optical network unit (ONU), a related apparatus, and a passive optical network. In a technical solution provided in an embodiment of the invention, after detecting an interference signal, a f...
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WO/2017/077093A2 |
A switch module, for use in an optoelectronic switch, has: a client portion for connecting to an input device or an output device;a first fabric portion and a second fabric portion, each for processing signals and communicating with othe...
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WO/2017/077094A1 |
An L-dimensional optoelectronic switch for transferring an optical signal from an input device to an output device, the optoelectronic switch includes: a plurality of leaf switches, each having a radix R, and arranged in an L-dimensional...
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WO/2017/076146A1 |
The invention provides a network access authentication method and system, for use in network access authentication in a passive optical network system. The method comprises: when a network access request transmitted from a network access...
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WO/2017/071768A1 |
A twin protection module (300) for providing linear protection in a protected domain of a network comprises a first end node (301)for acting as an end node to the protected domain, and a duplicate end node, wherein the duplicate end node...
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WO/2017/068170A1 |
The invention is directed to a system and method for troubleshooting in an optical data network that has a laser transmitter/receiver unit that outputs a data signal and an OTDR unit that produces an OTDR probe signal. The data and OTDR ...
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WO/2017/066996A1 |
An embodiment of the present invention discloses an operation administration and maintenance (OAM) overhead configuration method, and the method comprises: receiving, at a transmission end, service data from a client side, mapping the se...
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WO/2017/067807A1 |
The present document relates to a method for providing control messages to one or more nodes (110a, 110b, 110c) included in an optical transmission network by transmitting containers (200) between the nodes (110a, 110b, 110c), each conta...
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WO/2017/064029A1 |
A method for associating subscriber identification information with an identifier of a subscriber- side network termination (SSNT), the SSNT being connected via a shared medium communication link (SMCL) to a provider-side network termina...
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WO/2017/063720A1 |
A data center network node (13) comprising a first data connection (22) for connecting at least one server to a conventional subnetwork comprising at least one of a switch or a router, an optical transceiver (14) comprising a transmitter...
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WO/2017/058232A1 |
One example of a removable module includes an optical transceiver, optical cables, electrical cables, a power conditioner, and a housing. The optical transceiver converts optical signals received through an optical cable to electrical si...
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WO/2017/055848A1 |
An optoelectronic switch for switching a signal from an input device to an output device includes a plurality of switch modules, each connected or connectable to an optical interconnecting region, wherein: each switch module is configure...
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WO/2017/049460A1 |
Provided in embodiments of the present invention are an optical network unit (ONU) registration method, device and system. The ONU registration method comprises: an ONU port scans a downlink wavelength channel, wherein the ONU port is on...
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WO/2017/050036A1 |
A resource allocation information transmission and data distribution method and device. The method comprises: determining resource allocation information, wherein the resource allocation information is used to instruct an optical switchi...
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WO/2017/051158A1 |
We describe a wavelength division multiplexed (WDM) reconfigurable optical switch, the switch comprising: at least one optical input port to receive a WDM input optical signal comprising a plurality of wavelength channels; a plurality of...
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WO/2017/050253A1 |
A method for detecting an optical line terminal (OLT) port. The method comprises: an information receiver accessing a port to be detected; a network management system instructing an optical line terminal (OLT) to issue identification inf...
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