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Matches 1 - 50 out of 21,750

Document Document Title
WO/2019/205823A1
Disclosed are a method and apparatus for opening a quiet window, and a registration method, apparatus and system. The method for opening a quiet window comprises: when it is determined that a first quiet window needs to be opened, openin...  
WO/2019/209452A1
A node includes a switch controller and an optical module configured to receive optical signals from at least one other node in a network. It is determined from an electrical signal for a first optical signal whether to process data from...  
WO/2019/209451A1
A Multi-Chip Module (MCM) includes a substrate and a switch controller on the substrate. An optical module on the substrate includes at least one optical crosspoint switch for selectively routing optical signals received by the optical m...  
WO/2019/201252A1
Provided by the embodiments of the present invention are a signal transmitting method and device, the signal transmitting method comprising: a first device transmits an optical signal to a second device in the time slot previous to a tim...  
WO/2019/197046A1
The invention relates to a fibre-optic cross-connection system, in particular with spine-and-leaf topology, comprising an input side (S1, S2), in particular a spine side, with one or more (n) input switches (S1, S2). Each input switch (S...  
WO/2019/199957A2
A fixed wireless access network provides for high-frequency data links between aggregation nodes and endpoint nodes. The system further provides for lower frequency wireless data links, which have carrier frequencies less than high-frequ...  
WO/2019/199447A2
An integrated optical beam steering system is configured in three stages to provide beam steering for image light from an imager (e.g., laser, light emitting diode, or other light source) to downstream elements in a display system such a...  
WO/2019/196844A1
Disclosed are an ASON service model implementation method, apparatus and device, and a storage medium, relating to the field of telecommunication devices. The method comprises: acquiring, from a network management terminal, physical reso...  
WO/2019/196781A1
Disclosed are an optical cross-connect device control method and apparatus, an optical transmission device, and a storage medium. The method comprises: establishing a connection with an optical cross-connect device according to the IP ad...  
WO/2019/195244A1
A cross-connect switch architecture is described. A cross-connect switch device includes a cross-point switch array, a plurality of photo detectors and a plurality of amplifiers. The cross-point switch array includes a plurality of switc...  
WO/2019/180248A1
The invention relates to a method for an improved operation of a telecommunications network with a broadband access network, the telecommunications network being operated as a multi-operator sliced network, and especially comprising a ce...  
WO/2019/170064A1
Embodiments of the present application relate to the field of optical communications, and in particular, to data processing technologies in an optical transport network. In a data processing method, an optical network device extracts Eth...  
WO/2019/169373A1
A method of communication using a forward error correction (FEC) code includes receiving, at an optical line terminal (OLT), performance capability information provided by an optical network unit (ONU), adjusting, at the OLT, a ratio bet...  
WO/2019/161652A1
The present invention relates to the field of ONU configurations. Disclosed are a method and system for managing an ONU supporting multiple private protocols. The steps of the method comprise: S1: an OLT obtains and adds private protocol...  
WO/2019/158861A1
The invention relates to a system for transmitting data in an optical network comprising a plurality of source nodes and recipient nodes. A source node generates, in a spectral band that is associated with same, a multi-carrier optical d...  
WO/2019/154512A1
There is provided an apparatus (130) for fiber optic line continuity detection. The apparatus (130) comprises an optical input (382) connectable to a first optical fiber (242) of a fiber optic line (140), an optical output (384) connecta...  
WO/2019/154335A1
Provided in the present application are a method for processing data streams and a network element device, the method comprising: a first network element device acquires a first data stream, the first data stream comprising first data un...  
WO/2019/153253A1
A service data processing method and device in an optical transport network, for use in solving the existing problem of low flexibility. The method comprises: receiving service data, the service data is to be mapped to multiple continuou...  
WO/2019/144900A1
Disclosed are a signal processing method and device. The method comprises: filtering the received overlaid signal to obtain an assistant management and control channel (AMCC) signal interfered by a first passive optical network (PON) sig...  
WO/2019/141037A1
Disclosed in the present application are a communication network and related devices, the communication network comprising a first optical line terminal, a second optical line terminal and a user equipment, wherein the second optical lin...  
WO/2019/137118A1
Disclosed is a mechanism for implementing link state flooding reduction (LSFR) in an Interior Gateway Protocol (IGP) network. The mechanism includes receiving data indicating connectivity of a plurality of nodes in the network. A floodin...  
WO/2019/134572A1
Disclosed are an SDN-based optical transport network protection recovery method and device and a storage medium. The method comprises: acquiring information of a recovery constraint object in an open networking foundation (ONF) model, wh...  
WO/2019/133417A1
A coherent optical receiver capable of receiving data encoded in optical bursts whose optical power can vary significantly from burst to burst. In an example embodiment, the coherent optical receiver comprises a variable optical attenuat...  
WO/2019/128467A1
The present application provides a flexible Ethernet (FlexE)-based service flow transmission method and apparatus. A FlexE comprises a first network device and a second network device, and the first network device and the second network ...  
WO/2019/129158A1
Embodiments of the present application relate to the technical field of communications, and provide an optical receiving component, a combined transceiver component, a combined optical module, an optical line terminal, and a passive opti...  
WO/2019/125670A1
Disclosed herein is wavelength-division multiplexer with an internal optical signal tuned by a mounted signal pitch router. In particular, disclosed is a wavelength-division multiplexing (WDM) optical assembly including an optical signal...  
WO/2019/126772A1
A device (e.g., a photonic multiplexer) is provided that includes a plurality of first switches. Each first switch in the plurality of first switches includes a plurality of first channels. Each first switch is configured to shift photon...  
WO/2019/114544A1
Disclosed are a data forwarding method, apparatus and system. In one possible implementation, the data forwarding apparatus comprises a transceiver and a processor, wherein the transceiver receives an uplink data frame sent by an optical...  
WO/2019/114942A1
Device (200,300) and method (500) for processing an optical signal. The device (200,300) comprises a photonic device (202,302) arranged between a first input/output (204,304) and a second input/output (206,306) and optically communicatin...  
WO/2019/112829A1
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for optimizing PON efficiency using a variable FEC. In one aspect, an OLT broadcasts a message over an optical network, and receives, from...  
WO/2019/100267A1
Provided by the present application are an optical network unit (ONU) network interface switching method and an ONU, the method comprising: an ONU monitoring a link state between a currently used network side interface and a destination ...  
WO/2019/099602A1
An optical interconnect module comprises a housing including a front-facing portion including a first face and a second face, the first face of the front-facing portion angled relative to the second face of the front-facing portion. The ...  
WO/2019/096151A1
Disclosed are a passive optical network (PON) and encoding/decoding determination method and apparatus, comprising: a first switch and a second switch; said first switch is arranged to control the operating states of a downstream encoder...  
WO/2019/096750A1
An optical cross-connect having ingress and egress wavelength-selective switches (WSSes) interconnected such that at least some ingress/egress WSS pairs are connected by two different respective optical paths originating at two different...  
WO/2019/091350A1
Provided in the present application are a dual uplink method, an optical network management device, and an optical transmission system. An optical transmission device in the optical transmission system is connected to the optical network...  
WO/2019/090696A1
In an optical network, to use a standard 200G or 400G optical module, the present invention provides a novel method for transporting an optical transport unit (OTU) signal. The method comprises: first, a first network device classifies m...  
WO/2019/085960A1
Disclosed are a passive optical network system, and a data transmission method and apparatus. The data transmission method comprises: transmitting, on a first specified wavelength in a time division multiplexing (TDM) manner on a downlin...  
WO/2019/085954A1
A downlink bandwidth transmission method for a passive optical network comprises: allocating a downlink bandwidth (101); sending a result of the downlink bandwidth allocation (102); and sending service data based on the result of the dow...  
WO/2019/080474A1
Disclosed are a passive optical network business flow sensing method and system and a storage medium. The method comprises: by a master control layer, extracting business flow characteristic parameters according to an obtained training s...  
WO/2019/083796A1
Embodiments herein describe wireless transmission techniques for mitigating interference between wirelessly controlled machines in a shared space. To mitigate interference, the machines may be assigned different channels within the same ...  
WO/2019/083755A1
There is a communications network node comprising a transmitter or a receiver configured to communicate with a plurality of other nodes via an interconnection medium interconnecting the node and the other nodes. The node is frequency syn...  
WO/2019/076943A1
The present invention discloses a method in an Optical Line Terminal, OLT, of assisting a first Optical Network Unit, ONU, starting up a communication with the OLT, the OLT being communicatively coupled to the first ONU that is not yet i...  
WO/2019/076959A1
The present invention discloses a method in an Optical Line Terminal, OLT (110), of assisting a first Optical Network Unit, ONU (130c), starting up a communication with the OLT (110), the OLT (110) being communicatively coupled to the fi...  
WO/2019/076853A1
A device is disclosed for determining bandwidth maps for an upcoming time interval in an optical distribution network, ODN, and is configured to i) determine (404) dynamic upstream bandwidth allocations for an optical network unit, ONU, ...  
WO/2019/075377A1
Near normal incidence MUX/DEMUX designs may include an optical demultiplexer coupled to a photonics die, where the optical demultiplexer comprises an input fiber, thin film filters at a first surface of a substrate, a first mirror at the...  
WO/2019/057171A1
The present application provides an uplink optical amplification method and device in a passive optical network, and a computer readable storage medium. The passive optical network comprises an optical network unit and an optical line te...  
WO/2019/056916A1
A method for calculating the allocation of relay resources in optical transmission network planning, which relates the field of routing planning algorithms, comprising: using a source node as a starting node, finding the farthest node wh...  
WO/2019/056909A1
The present invention relates to the field of optical transmission networks. Disclosed are a centralized automatic link discovery system and method for an OTN network. The method comprises the following steps: an SDN centralized controll...  
WO/2019/055318A1
In one embodiment, a method includes receiving power delivered over a data fiber cable (18) at an optical transceiver (16) installed at a network communications device (14, 15) and transmitting data and the power from the optical transce...  
WO/2019/053097A1
The present invention discloses an Optical Network Unit (ONU)start up procedure with optical loopback for Passive Optical Network. In one embodiment, there is provided a method in a first ONU (130c), of starting up a communication with a...  

Matches 1 - 50 out of 21,750