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WO/2017/051157A1 |
We describe a wavelength division multiplexed (WDM) reconfigurable optical switch, the switch comprising: a set of arrays of optical beam connections, each comprising an array of optical outputs and having an optical input to receive a W...
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WO/2017/045440A1 |
Disclosed are a delay compensation apparatus and method of a passive optical network, and a passive optical network. The delay compensation apparatus comprises: a first component deployed on an OLT side and a second component deployed on...
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WO/2017/046095A1 |
The embodiments of the invention relate toa line switching component (LSC) separable from a line card of a network node. The line switching component (LSC) contains at least one input port (EIP-1) for receiving an optical input signal fr...
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WO/2017/045360A1 |
Disclosed are an optical network unit of a passive optical network and optical module thereof. The optical module comprises: a laser and driving circuit therefor, and first and second resistors. The first resistor is connected between th...
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WO/2017/044405A1 |
In general, techniques are described for automatically configuring fiber cross-connects between customers of an interconnection facility. In some examples, a programmable network platform for an interconnection facility exposes an interf...
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WO/2017/044226A1 |
Various techniques for managing communications backup for computer networks are disclosed herein. In one embodiment, a method includes detecting an abnormal operating condition at a primary network node, the primary network node being co...
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WO/2017/032077A1 |
Disclosed is a device for providing compatibility with passive optical networks, wherein two uplink burst clock and data recovery units respectively recover received uplink data in accordance with two standards, and respectively transmit...
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WO/2017/032162A1 |
A data transmission method comprises: exchanging, by an optical network unit (ONU), via one or more of a plurality of transmission paths, with an optical line terminal (OLT), information; wherein the information comprises at least one of...
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WO/2017/028803A1 |
Provided are an OLT optical transceiver module, and a method and system for processing a plurality of PONs. The OLT optical transceiver module comprises: a second downlink transmitting unit configured to receive a second path of electric...
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WO/2017/030544A1 |
Examples disclosed herein relate, in one aspect, to a method. The method may include determining an input bandwidth capacity of a network device comprising a network device port coupled to a plurality of computing devices; based on the i...
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WO/2017/028623A1 |
A method for channel configuration. The method for channel configuration comprises: an Optical Line Terminal (OLT) obtains each downlink channel and corresponding uplink channels thereof; the OLT binds the each obtained downlink channel ...
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WO/2017/028650A1 |
A method and apparatus for routing received connection demands through a photonic switch having multiple parallel instances of a switching plane is provided. Routing respects the constraint that each cell of the switch accommodates a max...
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WO/2017/028873A1 |
An interconnection network 40 comprising: an ingress stage 10 comprising M switch cards 12 each comprising an ingress electrical switch matrix and electrical-to-optical, E-O, conversion apparatus to convert a plurality of electrical sign...
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WO/2017/027628A1 |
An out-of-band (OOB) signal detector is disclosed. The OOB signal detector may include a first node configured to receive an alternating current (AC) portion and a direct current (DC) portion of an electrical signal. The AC portion may i...
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WO/2017/015213A1 |
Aspects of the present disclosure relate to systems for readily facilitating making telecommunications service upgrades or other changes in service in the field. In certain examples, the system includes one or more environmentally sealed...
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WO/2017/011806A1 |
In one embodiment, a source top-of-rack (ToR) switch may identify multiple destination ToR switches from a group of ToR switches to send data traffic to. The source ToR switch may be connected to the group of ToR switches via a base netw...
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WO/2017/006568A1 |
The invention relates to a method for controlling access to an out-of-band communication channel in an optical communications network comprising a master device and slave devices connected to the master device via optical fiber, the opti...
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WO/2017/006569A1 |
The invention relates to a method for detecting collisions in an out-of-band communication channel, implemented by a master device of an optical communications network enabling in-band communications and further comprising slave devices....
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WO/2017/006570A1 |
The invention comprises a master device and slave, the signalling information containing identifying information aiming at identifying the slave device transmitting said signalling information, an optical communications network being ada...
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WO/2017/000871A1 |
A path computation method and device, and a path computation element. The method comprises: a PCE receiving DXCPort information inside one or more nodes, wherein the DXCPort information is generated by a terminal and an adaptive actuator...
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WO/2017/000679A1 |
A method for realizing switching of an ONT operation mode online, comprising: an ONT receiving an OMCI message in an online state, wherein the OMCI message carries an indication message for switching an operation mode; and the ONT perfor...
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WO/2016/206470A1 |
Disclosed are an Automatically Switched Optical Network (ASON) resource control method, an apparatus and a computer readable storage medium. The method includes: obtaining the target resources required for establishing a service from cur...
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WO/2016/201822A1 |
Disclosed is a data rearrangement method. The method comprises: determining N/4 4-4 data rearrangement networks in a current N-N rearrangeable non-blocking Benes networks; determining sequence numbers of input data of every 4-4 data rear...
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WO/2016/202078A1 |
Provided are a method and device for fiber-to-the-home. The method comprises: receiving, by a virtual passive optical network (PON) medium access control (MAC) of an optical network unit (ONU), a first message from an OLT, determining th...
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WO/2016/202296A1 |
The present invention relates to the technical field of optical communications, and disclosed are a data bearing method and apparatus, and a data parsing method and apparatus, which are proposed to resolve the problem of long delay in th...
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WO/2016/202127A1 |
Disclosed are a method for allocating wavelength paths in a passive optical network, an optical line terminal, and a system. The method comprises: an optical line terminal obtains preset wavelength path priority information and optical n...
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WO/2016/202026A1 |
Provided are an ONU network access method and apparatus. The method comprises: receiving a network access notification message of an ONU from an optical line terminal (OLT); and acquiring an ONU network access configuration parameter acc...
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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/2016/192480A1 |
The present invention relates to a technical field of an optical communication, and disclosed is a bandwidth adjustment method, applied in an optical transport network (OTN). The method comprises: acquiring a bandwidth of a current servi...
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WO/2016/193685A1 |
There is described a transmitter device for transmitting an optical signal in the form of a plurality of subcarrier channels having different wavelengths. The device comprises first and second optical carrier emitters for emitting light ...
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WO/2016/188196A1 |
A method for detecting an abnormal Passive Optical Network (PON) terminal, comprising: an Optical Line Terminal (OLT) detecting an identifier of the abnormal PON terminal, wherein the identifier of the abnormal PON terminal includes the ...
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WO/2016/188971A1 |
A wall box may be used only for copper signal handling (such as coaxial signal handling) within the premises, and then at a later date the wall box may be used for receiving fiber signals, and for converting the fiber signals to copper s...
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WO/2016/184227A1 |
Provided are an optical network unit (ONU) template generating method and device. The method comprises: acquiring modification information of a service parameter of a first ONU template; creating a second ONU template having the same ser...
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WO/2016/184225A1 |
A method for sending time synchronization message, which is applied to an optical line terminal. The method comprises: detecting a time synchronization signal between an optical line terminal and an optical network unit; and when deviati...
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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/2016/180340A1 |
A photonic switching structure includes a first macromodule, where the first macromodule includes an array of switch matrix photonic integrated circuit (PIC) nodes having a first row, a second row, a first column, and a second column and...
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WO/2016/183169A1 |
Systems, methods, and apparatuses for protecting daisy chain networks from node malfunction or power outage are disclosed. One or more communication nodes in a daisy chain network can be bypass-capable communication nodes. Bypass-capable...
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WO/2016/169407A1 |
Disclosed in the present invention are a method and device for controlling an operation state of a channel termination. The method comprises: if a time- and wavelength-division multiplexed passive optical network (TWDM PON) comprises a p...
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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/2016/169260A1 |
The present invention provides an authentication and registration method, device and system for an optical access module. The method comprises: a virtualization optical line terminal (vOLT) receives physical position information about an...
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WO/2016/159929A1 |
In examples provided herein, an optical fiber distribution node comprises a housing assembly that has an input port in the housing assembly and an input optical fiber cable coupled to the input port. The input port comprises multiple opt...
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WO/2016/154358A1 |
Optical networks may store information or data therein by maintaining the information or data in motion. The optical networks may include optical fiber rings configured to receive optical signals comprising the information or data and to...
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WO/2016/150256A1 |
Disclosed are an optical route generation method and apparatus. The method comprises: configuring an office direction optical cable adjacency table and a fiber patch cord adjacency table for each device, wherein a device number of a devi...
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WO/2016/149901A1 |
Disclosed are a modulation method and device for a non-linear compensation and an optical transmitter. The method comprises: setting void subcarriers with a preset amount in a plurality of first subcarriers, modulating first digital sign...
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WO/2016/149797A1 |
Data center interconnections, which encompass WSCs as well as traditional data centers, have become both a bottleneck and a cost / power issue for cloud computing providers, cloud service providers and the users of the cloud generally. F...
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WO/2016/139484A1 |
A Mach-Zehnder waveguide modulator comprising a left arm including a left SiGe optical waveguide, and a right arm including a right SiGe optical waveguide; wherein each of the left and right optical waveguides comprises a junction region...
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WO/2016/134976A1 |
A localization system comprising a plurality of wireless reference nodes for detecting a location of a mobile device within an environment. Each node transmits localization beacon signals to be detected by the mobile device, and/or liste...
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WO/2016/129205A1 |
The present invention relates to packet-switched networks, such as Ethernet, and more particularly to a method for traffic shaping of data frames to transmit in such a telecommunication network, the frames to transmit being distinguished...
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WO/2016/119577A1 |
Systems and methods for scheduling data for transmission over photonic switches are described herein. In one embodiment, an apparatus is provided that includes a node having M photonic interfaces. The node is configured to transmit a mes...
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