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WO/2012/061186 |
A photonic-based distributed network switch and method where the switch is designed to reduce or filter optical data frames entering a port of the switch so that only data frames that are appropriate for the port are forwarded from the p...
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WO/2012/061185 |
A photonic-based distributed network switch is described that updates independent ports of the switch in parallel based on information that flows through the ports to and from a passive photonic broadcast star. Because each port sees the...
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WO/2012/055631 |
Method, system and computer program to build routes from a know origin, destination and intermediate network components (such as equipments, ports, etc) over a multi-vendor transmission network, and supported over different network layer...
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WO/2012/058370 |
A physical layer photonic protocol switch (PLPPS) that is protocol independent and switches at the optical signal level. Computing subsystem resources are linked to the PLPPS and are grouped into one or more logical system topologies. If...
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WO/2012/055227 |
A method and device for China Mobile Multimedia Broadcast (CMMB) multiplexing are disclosed by the present invention. The method includes: determining that the environment data or the local control information meets the preset trigger co...
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WO/2012/058369 |
A photonic-based distributed network switch that utilizes multiple photonic broadcast stars and separate optical transmitters to improve overall reliability, allow load balancing, and provide failover for the network switch and the netwo...
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WO/2012/051847 |
The present invention discloses a method and system for delay line interference adjustment in the 100G optical communication system. The method includes the following steps: dividing 20 logical channels which are bearing Optical Transpor...
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WO/2012/044212 |
Using the conventional OMCI-model for handling stacking of additional ONUs to a main ONU (Optical Network Unit) (10) connected to an OLT (Optical Line Terminal) (60) in a PON (Passive Optical Network), when the main ONU is not provided w...
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WO/2012/042191 |
A passive optical network is provided which uses existing GPON OAM functionality and standard routing protocol messages to solve the downstream routing problem between an access service provider and one or more other communication provid...
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WO/2012/037821 |
An access system and a method for transmitting an Ethernet signal and a mobile communication signal are provided. The access system comprises a near-end host unit and a plurality of far-end user units, wherein the near-end host unit can ...
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WO/2012/038816 |
A transmission system capable of simultaneously providing IP and/or non-IP based services to a plurality of receiving nodes over a single passive optical network is disclosed. The transmission system comprises of an optical line terminal...
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WO/2012/034384 |
The present invention discloses two solutions for a method for link maintenance under an energy-saving state in Ethernet Passive Optical Networks, wherein one solution includes: an Optical Network Unit (ONU) wakes up periodically in an e...
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WO/2012/034331 |
The present invention discloses a route inquiry method and system for Automatically Switched Optical Network (ASON), said method including: receiving the route inquiry request of the service; selecting the corresponding route inquiry str...
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WO/2012/034603 |
An optical transmission network (2) comprises nodes (10) which support a plurality of different wavelength channels and support at least a first bitrate traffic type and the second bitrate traffic type on respective wavelength channels. ...
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WO/2012/028118 |
Modular kit of devices is formed by an optical module (1) interconnected with a control electronic module (2) of the electronic system with two redundant power supply sources (25, 26), which is subsequently interconnected with the commun...
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WO/2012/024940 |
The present invention discloses a method and device for realizing service control in an all fiber protection system. The method includes the following steps: after a master port and a back-up port of a Network Node Interface (NNI) are co...
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WO/2012/025133 |
An electro-optical switch (170) for receiving N data streams optically, each of said N data streams having an amplitude and a phase and each being located at an optical centre frequency FO1+RFM, where FO1 is a first optical modulation fr...
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WO/2012/022656 |
An optical access network (5) comprises optical network units (10) connected to a node (40). A monitoring unit (35) determines information indicative of energy consumption at the optical network unit (10) over a period of time. An optica...
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WO/2012/022884 |
The invention relates to a technique for switching an optical data stream via an optical network node, capable of switching optical data received at input ports to output ports. The technique includes a collision management step which, u...
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WO/2012/019404 |
A path calculating method and device are provided in the present invention, and the method includes that: a relay in a source node is split from the source node and led into a network topology as a split node, so as to form a virtual top...
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WO/2012/010213 |
A connection-oriented optical network (2) comprises nodes (10) and optical links (5) between nodes. Each node (10) has a power control unit (60) for controlling an optical amplifier (43) at the node. A node, in response to a requirement ...
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WO/2012/009889 |
A method and optical network unit (ONU) for monitoring data transmission are provided by the present invention. Said method is applied to Passive Optical Network (PON), which includes that: an Optical Network Unit (ONU) receives the stat...
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WO/2012/003890 |
A packet switching node is coupled by links to other nodes of a network, and receives and assembles (74) packets belonging to a specified packet flow, into bursts of packets with a burst control packet indicating a sequence of the burst ...
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WO/2012/003726 |
The present invention discloses a method and an apparatus for implementing the flexible QinQ in a passive optical network (PON) system. The method comprises: dividing optical network units (ONUs) connected to interfaces of an optical lin...
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WO/2012/000204 |
A method for assigning service boards is provided in the present invention. The method includes steps: configuring required data models for a service to be processed in wave division network; according to the configured data models, carr...
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WO/2011/161365 |
The invention relates to a method of notification of incident on an RNIS accessway linked to an IP network. This method comprises the following steps: detection of said incident by a device for linking said RNIS accessway to said IP netw...
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WO/2011/160366 |
A method, equipment and Optical Line Terminal (OLT) for restarting an Optical Network Unit are provided by the present invention. The method includes: an OLT sends a Physical Layer Operations Administration and Maintenance (PLOAM) messag...
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WO/2011/153881 |
A method, device and system for establishing a wavelength connection are disclosed. The method for establishing a wavelength connection includes: obtaining information supported by a wavelength regeneration module of a wavelength divisio...
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WO/2011/154060 |
A node (260) for an optical communications network in which a token is passed between nodes, indicating that a corresponding optical channel is available for transmission during a token holding time while that node holds that token, unti...
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WO/2011/150621 |
A method and an apparatus for implementing self-adaption of cross granularity in Optical Transfer Network (OTN) are provided by the present invention. The method includes acquiring an OTN service signal on fiber interface side which has ...
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WO/2011/150759 |
A method for processing signal in Passive Optical Network (PON) network with multiple uplink channels is provided in the embodiments of the present invention, which characterized in that the method includes: Optical Line Terminal (OLT) g...
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WO/2011/152766 |
Secure downloading of a certificate to an ONU (11) (Optical Network Unit) over an ODN (12) (Optical Distribution Network), by storing the certificate in association with an OLT (13) (Optical Line Terminal). The OLT instructs the ONU to d...
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WO/2011/144388 |
The invention relates to a method for performing network functions for a subscriber-sided (CPE) network access unit (ONT) in a telecommunication's access network with a central unit (CO, OLT), a distribution network (AN), and a multiple ...
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WO/2011/143948 |
A method and a communication system for time synchronization are disclosed in the present invention. The system includes at least a base station, an Optical Line Terminal (OLT), and the fiber transmitting information between said at leas...
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WO/2011/141524 |
The invention provides a control layer for an Optical Burst Switch (OBS) system, said system comprising at least one stage configured with a closed optical burst switch addressing scheme and one or more ports for sending or receiving dat...
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WO/2011/139812 |
Techniques are provided for receiving a connection request at a first network node configured to request a connection from the first network node to a second network node. At the first network node, it is determined if a path to the seco...
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WO/2011/137754 |
A method, device and system for signal transmission are disclosed in embodiments of the present invention. The method includes: selecting a multiplexing mode for signals to be transmitted in the present cell according to intensity of int...
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WO/2011/128466 |
The method and the system for optimizing optical network traffic by means of advanced simulated annealing techniques minimize the number of electrical/optical and/or optical/electrical conversion devices for a predetermined volume of opt...
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WO/2011/127735 |
The present invention discloses a Point-to-Point Protocol over Ethernet (PPPoE) configuration method based on Ethernet for a Gigabit-capable Passive Optical Network (GPON) system, and the method includes: an Optical Line Terminal (OLT) i...
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WO/2011/127731 |
A registration activation method and system for an Optical Network Unit (ONU) are disclosed by the present invention, and the method includes that: the ONU receives a registration request from an Optical Line Terminal (OLT) (S302); the O...
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WO/2011/126416 |
Method and arrangement for protecting optical network systems, the arrangement (20) is based on an optical electrical optical GPON repeater structure. The repeater structure contains two optical modules - a regular ONU transceiver module...
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WO/2011/120248 |
An extensible and reconfigurable optical add-drop multiplexer includes: one or more optical path separation multiplexers which are connected with each other in free space or are welded with optical fiber pigtails; one wavelength obstruct...
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WO/2011/120483 |
The invention relates to a method for delaying a signal in the form of a light pulse or a pulse packet, wherein the signal for splitting up the frequency components is first of all exposed to an element having a strong chromatic dispersi...
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WO/2011/120978 |
The invention provides a burst transmission optical fibre wavelength routed ring network and method comprising a plurality of nodes on a network ring where each node can drop and add a wavelength. The network has a control means to contr...
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WO/2011/118519 |
The disclosed transmission device is provided with: a plurality of input interfaces that receive a signal from another device; a plurality of output interfaces that transmit a signal to another device; a multiplexing unit that multiplexe...
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WO/2011/116595 |
A method for establishing an end-to-end service is provided in the present invention. The method includes: obtaining link information in a network and constraint information of multi-stage multiplexing abilities supported by gateway netw...
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WO/2011/113316 |
An Optical transmission device and a Passive Optical Network (PON) system are provided in the present invention. The optical transmission device includes a first signal processing module and a first service processing module, the first s...
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WO/2011/110223 |
A method for data processing of an optical network element is provided, wherein a configuration information is received at the optical network element and a light signal is adjusted to a wavelength or wavelength range indicated by said c...
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WO/2011/106975 |
A method for realizing an automatic protection switching of a transmission device is provided, and the method includes the following steps: according to a received triggering condition for the automatic protection switching and informati...
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WO/2011/103842 |
The embodiments of the present invention provide a method, an apparatus and a system for hybrid-transmitting and bridging of a circuit service and a packet service. The apparatus for hybrid-transmitting and bridging includes: a Time Divi...
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