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Matches 1 - 50 out of 21,723

Document Document Title
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...  
WO/2019/052489A1
Disclosed in the present invention is a network switching system for an all-optical data center. The system comprises an all-optical switching subsystem and a soft defined control subsystem. The all-optical switching subsystem comprises ...  
WO/2019/042457A1
Disclosed are a bandwidth allocation method, apparatus and system, wherein the method comprises: an optical line terminal (OLT) dividing an uplink bandwidth within a period into a fixed number of bandwidth entries, wherein one or more of...  
WO/2019/046075A1
A network device is provided. The device includes a housing and a switch card, mounted within the housing and having one or more connectors. A plurality of line cards are oriented parallel to each other and orthogonal to the switch card ...  
WO/2019/035918A1
An optical circuit that has a first input waveguide, at least a first output waveguide and an optical path between the first input waveguide and the at least a first output waveguide. A first totally internally reflecting (TIR) waveguide...  
WO/2019/036060A1
A network infrastructure combining data over cable service interface specification (DOCSIS) cable modem management and 10Gb passive optical network XGPON networking technology. The DOCSIS equipment controls restrict the XGPON to physical...  
WO/2019/034016A1
An all-optical network comprises: a first network; a second network; and a PWXC coupling the first network to the second network and comprising passive optical components. A method comprises: receiving a first optical signal from a first...  
WO/2019/029805A1
Methods and apparatus are provided for switching an optical signal. In one aspect, an optical switching apparatus comprises a first beam splitting apparatus configured to split a first optical input signal into first and second optical s...  
WO/2019/018399A1
Radio Frequency (RF) Ethernet trunking may be provided. A networking system may comprise a first data pathway, a second data pathway, and a third data pathway. The first data pathway may be between a headend and a first node and may comp...  
WO/2019/011432A1
An apparatus (20) is configured as a remote unit for communication with a main unit (10) in an optical communication network (30), wherein the main unit and remote unit are configured to detect a fault in the optical communication networ...  
WO/2018/234101A1
The present invention relates to a Power over Ethernet system (100) which supports additional optical communication via optical fibres. The powered devices (d1, d2, d3) may comprise circuitry to process optical signals, in particular tri...  
WO/2018/231308A1
An optical circuit switch includes a fiber hole array, a plurality of internal optical fibers, a collimating lens array, a MEMS mirror array, and a reflective surface. The fiber hole array includes an array of receptacles shaped to accep...  
WO/2018/227877A1
The present invention relates to the technical field of data and IP transmission equipment, and disclosed thereby are a WSON damage model-based shortest path calculating method and a system thereof. The method comprises the following ste...  
WO/2018/227875A1
The present invention relates to the field of POTN application. Disclosed is a POTN service management method, comprising the steps of: according to the application scene of a board card, establishing a tree structure service model; acco...  
WO/2018/223250A1
A four-way photoelectric component compatible with a GPON and a 10GPON, applicable to the technical field of communications, comprises a base (1), a GPON reception end (2), a GPON transmission end (3), a 10GPON reception end (4), a 10GPO...  
WO/2018/222740A1
Switching technology may be incorporated into various systems, components, and/or architectures in a fiber optic network to promote network reconfigurability and design flexibility. A signal access unit comprises an input, an output, an ...  

Matches 1 - 50 out of 21,723