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WO/2016/202145A1 |
A method for controlling an optical network unit comprises: an optical line terminal sets a wavelength protection path for a target optical network unit, corresponding network resources being reserved on the wavelength protection path fo...
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WO/2016/202389A1 |
Verifying a configuration of reconfigurable internal optical paths (970) in a wavelength selective optical switching WSS node (62) involves identifying which of several WSS subsystems (920,950, 960) is coupled upstream of a first interna...
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WO/2016/202104A1 |
A method and apparatus for service control in an optical communications network. The method comprises: obtaining an interrupted service when a fiber break occurs; determining a service path in which the interrupted service is located; se...
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WO/2016/205198A1 |
An optical link transmits light between a transmitter and a receiver. The transmitter includes a laser cavity that outputs a laser light signal. The laser cavity is configured such that the mode of the laser light signal hops during oper...
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WO/2016/204331A1 |
A monitoring system using an optical line is disclosed. The monitoring system using an optical line according to the present invention comprises: a laser diode for generating an input optical signal; an optical element for receiving the ...
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WO/2016/203747A1 |
If a spatial light transmission device is configured to be suitable for large-capacity communication, the cost thereof increases. To solve this problem, this spatial light transmission device comprises: a plurality of laser beam sending ...
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WO/2016/205256A1 |
Architectures are provided for selectively incoupling one or more streams of light from a multiplexed light stream into a waveguide. The multiplexed light stream can have light with different characteristics (e.g., different wavelengths ...
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WO/2016/200790A1 |
An optical fiber test apparatus includes an optical power meter operable to detect light at a predetermined wavelength, and a laser source operable to generate a visible laser beam. The optical fiber test apparatus further includes an op...
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WO/2016/200831A1 |
A macro-switch is described. This macro-switch includes facing integrated circuits, one of which implements optical waveguides that convey optical signals, and the other which implements control logic, electrical switches and memory buff...
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WO/2016/192784A1 |
A transport network (30) is configured to connect one or more optical rings (10) of optical add and drop devices (32) with one or more digital units (34) in a radio access network. The transport network (30) comprises a first electronic ...
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WO/2016/196800A1 |
A single-wavelength light path is selected between a source access node and a destination access node of a wavelength-division multiplexed optical network, including selecting an illuminated wavelength of the light path and selecting a s...
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WO/2016/192310A1 |
Disclosed are a strong filter compensation method and device, and a computer storage medium. The method comprises: filtering out high frequency noise by using delay summation; determining a correct path from one or more interference item...
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WO/2016/188055A1 |
An interpolation filtering method is disclosed in the present invention, including: obtaining a phase deviation of received data; determining an interpolation coefficient list corresponding to the phase deviation of the data according to...
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WO/2016/188184A1 |
Disclosed are a data transmission method and device. The method comprises: when N radio remote units (RRU) uplink transmit data to a building baseband unit (BBU), receiving and then encapsulating, by an OLT, common public radio interface...
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WO/2016/188228A1 |
A system and method for distributed automatic power optimization. The system includes: one or more Automatic Power Optimization (APO) modules, belonging to one or more pre-divided APO links, and one of the APO modules only belongs to one...
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WO/2016/190934A2 |
A wide-field telescope and focal plane array (FPA) that look at Earth and satellites in low- and medium-Earth orbit (LEO and MEO) from a satellite in higher orbit, such as geostationary Earth orbit (GEO), can serve as a node in an on-dem...
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WO/2016/183830A1 |
Disclosed are a passive optical network (PON) framing method, device and system. The method comprises: separately generating a first G-PON transmission convergence (GTC) frame and a second GTC frame, wherein the sum of the frame length o...
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WO/2016/187509A1 |
An Internet Protocol/Wave Division Multiplex (IP/WDM) network (100) implements Hardware Root of Trust (HRoT) and Network Function Virtualization (NFV). An NFV server (111-114, 510, 600) generates and transfers IP control data and WDM con...
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WO/2016/187445A1 |
An optical network element for a hardware configured optical network includes a first optical port that receives an input optical signal comprising receive control information from the hardware configured optical network. A demodulator o...
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WO/2016/184345A1 |
A method includes receiving a first packet payload, and where the first packet payload originates from a first top-of-rack switch (TOR) and receiving a second packet payload, where the second packet payload originates from a second TOR. ...
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WO/2016/183972A1 |
The present invention relates to the technical field of optical access networks. Disclosed is a dynamic wavelength allocation method applicable to minimum tuning in a TWDM-PON. An optical line terminal (OLT) groups optical network units ...
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WO/2016/185382A1 |
An apparatus for transmitting optical signals between a central unit (1) and at least one remote unit (2), said central unit comprising - at least one amplified spontaneous emission source (11, 110) of an optical signal, first means (17,...
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WO/2016/180315A1 |
A method includes comparing a length of a first packet to a threshold, determining that the first packet is a short packet when the length of the first packet is less than the threshold, and determining that the first packet is a long pa...
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WO/2016/180066A1 |
An optical connection includes a first array of holes on a first side of a registration plate and an array of grooves on a second side of the registration plate. The optical connection also includes a first plurality of GRIN lenses inser...
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WO/2016/182193A1 |
Provided are an apparatus for optical-signal monitoring in a wavelength division multiplexed passive optical network, and a system therefor, the apparatus comprising: an input unit for receiving downlink signals and uplink signals; a wav...
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WO/2016/180357A1 |
A method includes obtaining a first packet, where the first packet has a length and comparing the length of the first packet to a length threshold. The method also includes when the length of the first packet is greater than or equal to ...
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WO/2016/172861A1 |
A multi-carrier laser and a method for generating multi-carrier light. Phase compensation is carried out on needed carriers by regulating one or more optical phase shifters. When a carrier of a certain wavelength is not needed, the carri...
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WO/2016/174719A1 |
A dummy light generation device 1 of the present invention comprises: a Continuous Wave (CW) light source 11 that outputs a CW light; a modulated light generation unit 50 that uses a continuous light to generate a first intensity-modulat...
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WO/2016/176536A1 |
A method of monitoring at least one optical wavelength component of a WDM optical signal being routed through a wavelength selective switch (WSS) includes directing an optical wavelength component from a given input port of the WSS to a ...
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WO/2016/170357A1 |
The present invention provides an optoelectronic switch for transferring an optical signal from an input device to an output device, the optoelectronic switch including an array of interconnected switch modules, which are interconnected ...
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WO/2016/169405A1 |
The present invention provides a passive optical network identification method and apparatus. The method comprises: receiving a downlink wavelength of a downlink wavelength channel of a branch optical fiber, wherein the downlink waveleng...
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WO/2016/165089A1 |
Disclosed are an optical module and a network device. The optical module comprises a common end module (31) and two data sub-modules (32). The common end module (31) comprises a multi-carrier optical source (311), a wavelength division m...
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WO/2016/166971A1 |
The present invention provides digital coherent polarization multiplexing optical transmission/reception circuits integrated into a single chip, in which disproportion in losses due to a polarization path is compensated for by optimally ...
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WO/2016/165111A1 |
Disclosed is an add/drop multiplexer, comprising: a first line card and a tribute card. The first line card at least comprises a first interface and a second interface, the first interface being provided between the tribute card and the ...
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WO/2016/165053A1 |
Disclosed are an optical cross-connect node (300) and an optical signal exchange method. The optical cross-connect node (300) comprises: a first optical switching switch (301), a second optical switching switch (302), a lower-wave wavele...
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WO/2016/164146A2 |
A system for providing underwater communication using orbital angular momentum (OAM) includes a transmitter that processes input data to be transmitted using pre-coding information based on current transmission channel conditions to maxi...
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WO/2016/162903A1 |
The receiver 11 for self-homodyne detection comprises a coherent detection system and a direct detection system. The receiver comprises a polarization splitter 13, a first splitter 15, a 90 degree polarization rotor 17, a hybrid detector...
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WO/2016/161638A1 |
Disclosed is a coherent receiver, comprising: a frequency offset estimation unit and a frequency offset compensation unit. The frequency offset estimation unit is configured to receive signal light and local oscillator light. The signal ...
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WO/2016/164634A1 |
A first optical transceiver node comprises: a laser configured to emit an input optical signal; a first splitter coupled to the laser and configured to split the input optical signal into a local oscillator (LO) optical signal and an unm...
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WO/2016/164469A1 |
A method and apparatus of a device that determines transmit and receive skew times between pairs of lanes of an electrical interface of a network element is described. In an exemplary embodiment, the device receive a plurality of configu...
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WO/2016/162904A1 |
A SDH receiver which comprises a first polarization beam splitter 11, a second polarization beam splitter 13, a first separator 15, a second separator 17, a third separator 19, a fourth separator 21, a first 90-degree polarization rotor ...
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WO/2016/164769A1 |
The present disclosure relates to data center architectures that implement high density connectors, low density connectors and/or combinations of high and low density connectors directly into endpoint network devices, such as servers, st...
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WO/2016/157801A1 |
Because a network interruption occurs and data is lost when wavelength defragmentation is performed during the operation of an optical network, the optical network control method according to the present invention synchronously performs:...
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WO/2016/156322A1 |
A method for routing communications signals at an underwater hydrocarbon extraction facility, comprises the steps of: i) providing a routing module at an underwater location, the routing module comprising a passive wavelength division de...
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WO/2016/157454A1 |
Provided is an optical node device 1 that comprises: a wavelength demultiplexer 1200 that is provided with a plurality of ports that output signal light beams; wavelength multiplexers 1300, 2300 that are each provided with a plurality of...
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WO/2016/156411A1 |
A flexible grid optical network in which a first network terminal is connected to a second network terminal using a main optical fibre connection and a protection optical fibre connection, wherein the protection optical fibre connection ...
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WO/2016/156300A1 |
A method of allocating spectrum to a signal in a wavelength division multiplex network comprising a plurality of nodes, wherein the spectrum comprises a grid divided into a plurality of slots, comprising allocating to the signal a slot i...
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WO/2016/155913A1 |
This application relates to a method of transmitting multiple data streams via multiple optical transmission units adapted for optical communication using wavelength division multiplexing. The method comprises a first encryption step of ...
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WO/2016/149804A1 |
The optical device coupleable to a waveguide to receive an optical signal from the waveguide generally has at least two diffraction grating devices optically coupled to one another and having corresponding spectral responses, the spectra...
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WO/2016/154138A1 |
A method of performing clock recovery and equalizer coefficient estimation in a multi-channel receiver may include recovering, at a first clock recovery unit, a first clock signal associated with a first channel. The method may include e...
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