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Match Document Document Title
US20080193129 Video transmission system of a ring network  
It is an objective to provide a video transmission system enabling easy acquisition and addition of any video signal. According to the ring network, optical wavelength multiplexing and...
US20130094858 CONTROL OF BUFFERING IN MULTI-TOKEN OPTICAL NETWORK FOR DIFFERENT TRAFFIC CLASSES  
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...
US20130216227 RING NETWORK SETUP METHOD  
A network setup method used in a ring network including a plurality of transmission equipments. The method includes: transmitting a frame in the ring network; causing each of the transmission...
US20110206374 System and Method for Demand Aggregation in Optical Networks Employing Shared Ring Protection  
In accordance with embodiments of the present disclosure, a method for demand aggregation is provided. The method may include routing demands in a ring network such that a length for each routed...
US20090269062 Ship with a data network  
A ship includes a network, integrating services for security and control services and/or for multimedia and infotainment services on board the ship. The service-integrating network includes...
US20080226293 COMMUNICATION SYSTEM, TERMINATING APPARATUS, AND PON VIRTUALIZATION METHOD FOR USE THEREIN  
When a frame is received from one of PON ports 12a to 12c of ONUs 1a to 1c, an OLT 3 compares VPIDs contained in Preamble/SFD regions A of the received Ethernet® frame with VPIDs assigned to LAN...
US20110268439 Selecting an Optical Path for a New Connection with the Minimum Number of Optical Regenerators  
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...
US20090154926 Highly reliable backbone video distribution architecture  
An optical network for providing a plurality of end users with video content, which includes a plurality of video head ends, each coupled to a pair of video hub offices via a plurality of diverse...
US20070280688 Upgradeable optical hub and hub upgrade  
An upgradeable optical hub and hub upgrade can be provided. The upgradeable hub can separate an incoming signal into various components and provide a segment of the incoming signal to a port for a...
US20090238566 Radio-Access Method, Related Radio Base Station, Mobile-Radio Network and Computer-Program Product Using an Assignment Scheme for Antennas' Sectors  
A radio base station for a mobile radio network, includes a set of remote units connected with the radio base station, preferably via a radio over fibre arrangement. Each remote unit provides...
US20050031348 Switching media converter and ring type wavelength division multiplexing passive optical network system using the same  
Disclosed is a ring type wavelength division multiplexing (WDM) passive optical network (PON) system using the same wavelength for forward and backward channels while inexpensively implementing a...
US20090010649 Optical access network with legacy support  
An optical access network system can be used to upgrade legacy passive optical networks by subdividing currently used optical bands (e.g., C-, S-, or O-bands) into subbands to support more...
US20100266281 Allocating Demand According To Demand Weight  
According to one embodiment, allocating demand includes receiving a demand graph that describes demands of a network. One or more weights are calculated for each demand. The demands are allocated...
US20090074412 METHOD, SYSTEM, AND COMPUTER PROGRAM PRODUCT FOR SIMULATING AN UPLINK THROUGH A NETWORK ELEMENT  
A method, system and computer program for simulating a communication link, such as an uplink, to one or more external networks in a communication network is provided. A test optical network...
US20080317466 MULTI-RING NETWORK OPERATING METHOD AND SYSTEM  
Provided is a multi-ring network operating method of cross-connecting at least two ring networks, the method including connecting an input working ring and an input protection ring of a ring...
US20050249499 Optical transceivers for path-protected passive optical metro access rings  
For the special conditions of optical metro ring networks with entirely passive nodes, the invention proposes an optical splitting device in front of the optical transceivers, which has an...
US20120207473 OPTICAL NETWORK AND METHOD FOR PROCESSING DATA IN AN OPTICAL NETWORK  
An optical network has an optical line termination coupled to a backbone network, in particular to an optical long haul network and a local exchange coupled to an optical access network. The local...
US20050244158 Method and apparatus for a variable rate pipe on a linear connection  
A method and apparatus for a variable rate pipe on a linear connection. In one embodiment of the invention, a method comprises provisioning a pipe from a part of a working channel and at least...
US20080145051 LONG REACH OPTICAL NETWORK  
An optical network is provided including a first optical network section operatively coupled to a carrier facility configured to transmit traffic onto channels in the first optical network...
US20050185959 Photonic data storage network  
A system and method for transmitting traffic in an optical network is provided. The system includes an optical ring. A plurality of local nodes are coupled to the optical ring. Each local node of...
US20100111520 MULTIPLE INTERCONNECTED BROADCAST AND SELECT OPTICAL RING NETWORKS WITH REVERTIBLE PROTECTION SWITCH  
Optical communication networks having multiple interconnected optical rings and optical protection switching mechanism to reduce communication delays and improve optical signal-to-noise ratios....
US20080118244 Resilient packet ring (RPR) network system, RPR node device, redundancy method for the same, program and computer-readable medium  
An RPR network system provides redundancy to the RPR function, at occurrence of failure in an RPR node device, to communicate with RPR node devices other than the failed device on an RPR ring and...
US20120195588 OPTICAL RING NETWORKS HAVING NODE-TO-NODE OPTICAL COMMUNICATION CHANNELS FOR CARRYING DATA TRAFFIC  
Techniques, apparatus and systems for optical communications, including fiber ring networks with protection switching to maintain optical communications when an optical failure occurs and to...
US20070047957 Optical packet network system  
An optical packet network system of a ring type, capable of preventing degradation of an optical signal, can be implemented by providing a mechanism relatively simple in structure, capable of...
US20090047019 Method and System for Communicating Optical Traffic  
A method for communicating optical traffic includes adding optical traffic to an optical ring comprising a plurality of nodes and communicating the optical traffic on the optical ring. The optical...
US20100054735 OPTICAL OFDMA NETWORK WITH DYNAMIC SUB-CARRIER ALLOCATION  
A system and method for dynamically allocating sub-carriers between the nodes of an optical OFDMA ring network or an OFDMA passive optical network. A carrier allocation system assigns sub-carriers...
US20090238567 Electrical Ring Distribution Interface for an Optical Transceiver  
A ring connection system and method are provided for distributing signals in an optical-to-electrical interface. The method electrically connects a plurality of nodes in a series-connected ring,...
US20070014573 Exchange structure and a method of connection configuration between the optical networks  
The invention discloses an interconnection structure and a method for configuring path between the optical networks. The optical network includes a first network and a second network, the first...
US20110299851 RING IN RING PASSIVE OPTICAL NETWORK SYSTEM FOR PROVIDING FIBER TO THE HOME WITH REDUCED NUMBER OF FIBERS  
A mini-optical line termination (OLT) includes at least one management card for providing control and management functions. A plurality of network cards having a predetermined number of ports are...
US20050095001 Method and system for increasing network capacity in an optical network  
An optical network includes an optical ring operable to communicate optical traffic and a plurality of nodes coupled to the optical ring. Each node is operable to passively add and drop one or...
US20050147411 Optical reservation-based network switch fabrics  
A method of communicating data over a network having a plurality of nodes thereupon is disclosed. The method includes reserving bandwidth for each node of the plurality of nodes and receiving data...
US20090010650 PASSIVE OPTICAL NETWORK SYSTEM AND COMMUNICATION METHOD THEREFOR  
In a passive optical network system in which communication signals from a master station to a plurality of subsidiary stations are multiplexed by time division and transmitted, after converting...
US20130089329 METHOD AND APPARATUS FOR PROVIDING CONVERGED SERVICES  
A method and apparatus for providing link establishment in the access segment of the communications network using broadband multi-wavelength LED are disclosed. In one embodiment, such links may be...
US20080124080 MULTICAST TRANSMISSIONS IN OPTICAL BURST TRANSPORT  
Multicast transmission in an optical network includes receiving a primary token at a root node of the optical network authorizing the point-to-multipoint data transmission from the root node to a...
US20070172238 Optical transmission apparatus in ring transmission system  
To provide a node (an optical transmission apparatus) enabling expanding the upper limit of the number of nodes capable of automatically forming a squelch table generated in advance in a BLSR...
US20100178055 Optical Amplifier with Optical Gain-Control  
An optical amplifier with optical gain-control (OGC) has an input (11) for the signals to be amplified and an output (12) for the amplified signals. It comprises in series a first Bragg grating...
US20070172237 Methods and apparatus for optimizing utilization in reconfigurable optical add-drop multiplexer based ring network  
Techniques are disclosed for generating a hitless migration plan to optimal state, given an optimal routing and wavelength assignment for demands. For example, a technique for use in performing a...
US20060159456 System and method for conserving resources in an optical storage area network  
A method for providing a storage area network includes receiving, at a data storage node, data from a number of storage area network (SAN) servers via associated local nodes coupled to a optical...
US20100008662 Method and system for closed loop control of an optical link  
A method of closed loop control for an optical link is presented, utilizing a copper feedback connection between the optical transmitter and optical receiver, suitable for short distance...
US20050207755 Scheduling token-controlled data transmissions in communication networks  
A network includes multiple nodes interconnected to form a ring topology. These nodes support data transmissions over the network using tokens. To send and receive data over the network, nodes may...
US20120315042 OPTICAL RING NETWORK ARCHITECTURE  
An optical ring network architecture including a number (N) of multi-add/drop filters, such as filters formed using pairs of frequency routers. Each multi-add/drop filter is coupled to two other...
US20100027998 OPTICAL ROUNDABOUT SWITCH  
An optical roundabout comprising optical switching elements arranged in a ring, the routing of the inputs of each internal optical switch to its outputs being ganged, each internal optical...
US20110123195 Method for Operating Transparent Node for WDM Shared "Virtual Ring" Networks  
A system and method for a transparent WDM metro ring architecture in which optics enables simultaneous provisioning of dedicated wavelengths for high-end user terminals, while low-end user...
US20060275035 Multiple interconnected broadcast and select optical ring networks with revertible protection switch  
Optical communication networks having multiple interconnected optical rings and optical protection switching mechanism to reduce communication delays and improve optical signal-to-noise ratios....
US20050158047 Optical ring networks with failure protection mechanisms  
This application describes, among others, fiber ring networks with two fiber rings to provide local fiber failure protection in each node and capability for each node to broadcast to other nodes,...
US20050152695 Radio base station with multiple radio frequency heads  
A radio base station has a baseband unit (BB) and multiple RF heads (RH1, RH2), which are interconnected by means of a bi-directional two-fiber optical ring (R). Each RF head (RH1, RH2) has a...
US20080131122 OPTICAL NETWORK ARCHITECTURES AND OPTICAL COMMUNICATION SCHEMES  
The present invention provides optical network methods and systems. In one example, a method for handling packets in a node coupled to a ring and star subnetwork may include (a) receiving in the...
US20050019034 System and method for communicating optical traffic between ring networks  
A system for communicating optical traffic between ring networks includes a first optical ring network and a second optical ring network. Each optical ring network is operable to communicate...
US20050196169 System and method for communicating traffic between optical rings  
An optical network includes a first optical ring and a second optical ring. Each optical ring is operable to communicate optical traffic comprising a plurality of sub-bands. The first optical ring...
US20130195454 WAVELENGTH MULTI-CASTING METHOD IN MULTI-RING NETWORK, MULTI-RING NETWORK DEVICE, AND MULTI-RING NETWORK NODE  
Disclosed are a wavelength multi-casting method and device in a multi-ring network, and more particularly, a wavelength multi-casting method and device in a multi-ring network capable of...

Matches 1 - 50 out of 71 1 2 >