Matches 1 - 50 out of 186 1 2 3 4 >
Match Document Document Title
7616889 Byte-wide optical backplane switching method  
A byte-wide optical switch and switching method are provided. The optical switch includes a first set of ports for receiving in parallel an optical byte of data, and multiple second sets of ports...
7599620 Communications network for a metropolitan area  
A communications network for a metropolitan area is disclosed. The network is comprised of three basic types of nodes: an access multiplexer, a photonic switch, and a core node. The access...
7590359 Optical communication node system, all-optical packet routing system, and all-optical packet routing method and all-optical packet routing network using the node and routing systems  
To transfer an optical packet generated from one source communication node system to a destination communication node system without optical-to-electrical or electrical-to-optical conversion in a...
7580636 Optical switch and method for controlling optical path thereof  
An optical switch is provided with: an optical matrix switch; and an optical path decision section which divides input light into two branches, supplies the input light of one divided branch to the...
7577358 Apparatus, system and method for optical packet switching using frequency header  
In the present invention, a single-frequency tone is used as addressing header for each optical packet. The frequency of the single-frequency tone is situated within the baseband of the digital...
7574080 Technique for photonic switching  
A technique for photonic switching is disclosed. In one particular exemplary embodiment, the technique may be realized as a method for photonic switching. The method may comprise receiving at least...
7561800 Optical burst switching system and method using duplicate burst transmission  
An optical burst switching (OBS) system and a method using duplicate optical burst transmission is provided. In accordance with the present invention, optical bursts do not have the same priority...
7555224 Using superimposed ASK label in an all-optical label swapping system and method thereof  
An all-optical label swapping system and method superimposes a low-speed ASK label on top of a high-speed DC-balanced-line-coded ASK payload. An old ASK label is erased by modulating the combined...
7539415 Optical packet communication system using labeling of wavelength-offset polarization-division multiplexing  
Disclosed is an optical packet communication system using a wavelength-offset polarization-division multiplexing labeling. An optical signal transmitter which is provided at an ingress node...
7539414 Optical network with a void filling protocol independent of bit rate  
A communications station ( 4 - i ) for a WDM ring network is adapted to insert into an optical fiber ( 2 ) packets of optical signals carried by at least one wavelength and having a propagation...
7526203 Apparatus and method for optical switching at an optical switch fabric  
Embodiments of the present invention provide a system and method for providing non-blocking routing of optical data through an optical switch fabric. The optical switch fabric can include an...
7526202 Architecture and method for framing optical control and data bursts within optical transport unit structures in photonic burst-switched networks  
An optical network, which includes edge and switching nodes, optically communicate information formatted into bursts that are included in one or more optical channel transport unit (OTU) frames...
7512342 Digital encoding of labels for optical packet networks  
Methods and apparatuses are provided for transmitting labels in an optical packet network. Groups of K payload bits are encoded into blocks of N bits by using a code in which each of the groups of...
7493041 Optical path re-arrangement method for optical communication network  
When an optical path arrangement is re-arranged, the packet loss amount is reduced by judging whether to perform the shift in one stage or whether to perform the shift in two stages in accordance...
7486677 Technique for providing inter-nodal communications in a photonics network  
A technique for providing inter-nodal communications in a photonics network is disclosed. In one exemplary embodiment, the technique may be realized by as a method for providing inter-nodal...
7486677 Technique for providing inter-nodal communications in a photonics network  
A technique for providing inter-nodal communications in a photonics network is disclosed. In one exemplary embodiment, the technique may be realized by as a method for providing inter-nodal...
7474853 Non-blocking all-optical switching network dynamic data scheduling system and implementation method  
A non-blocking optical matrix core switching method that includes maintaining a schedule for routing data through an optical matrix core and receiving and analyzing reports from peripheral devices....
7462812 Optical switch apparatus and optical switching system  
An optical switching system having a transmission node. The transmission node includes a bit pattern processing unit for processing a bit pattern of transmitted data to stabilize optical power of a...
7442912 Optical logic device responsive to pulsed signals  
An optical logic device performs a logic operation on a plurality of input light signals. The optical logic device has a photoelectric conversion portion, in which photoreceivers for receiving...
7440696 Data multiplexing network, wavelength multiplexer, and data multiplexing transmission method  
In a data multiplexing network system, a first wavelength multiplexing function unit sets a plurality of different wavelengths which correspond to a plurality of different service classes,...
7433597 Deflection routing address method for all-optical packet-switched networks with arbitrary topologies  
A method of deflection routing a packet in an all-optical communication network is described. Routing and destination information is contained in the address header of the packet and is generated...
7428383 Architecture, method and system of WDM-based photonic burst switched networks  
An intelligent photonic burst switched (PBS) network includes edge nodes and switching nodes. The PBS edge node includes a flow classifier, flow manager, and ingress/egress PBS MAC layer...
7424222 Optical packet exchanger  
An optical packet exchanger is provided which prevents a transmittable capacity of an information signal from decreasing, and which facilitates the extracting an address signal even if a modulation...
7421203 Method for transmitting packet in wireless access network based on wavelength identification code scheme  
A method for transmitting a packet in a wireless access network based on a wavelength identification code scheme. The method comprises the steps of connecting n number of RNCs (Radio Network...
7415207 Digital cross-connect  
A digital cross-connect (DXC) ( 10 ) comprises: a plurality of ports ( 30 - 100 ) for receiving/outputting signals and switching and switching means ( 20 ) for selectively cross-connecting signals...
7412168 MPLS application to optical cross-connect using wavelength as a label  
A label switching routing protocol for establishing a datapath as a sequence of locally unique labels in an optical communications network, is provided. A wavelength on an optical cross-connect is...
7409158 Large-capacity optical router using electric buffer  
A large-capacity optical router is disclosed that exchanges data traffic such as IP packets, Ethernet frames, etc., at high speed in units of optical frames. The large-capacity optical router uses...
7397792 Virtual burst-switching networks  
A time-shared network comprising edge nodes and optical core nodes may be dynamically divided into several embedded networks, each of which covering selected edge nodes. At least one of the edge...
7394985 Wavelength access server (WAS) architecture  
A wavelength access server (WAS) architecture provides aggregation of traffic streams of diverse data communication protocols as well as provision of wavelength resources in an optical transport...
7382980 Optical communication apparatus, optical communication information decoding method, optical switching system, and driving method for optical switching system  
An optical switching system is disclosed which can achieve high-speed optical switching with a simple configuration. Light from a light irradiation section is irradiated into an optical...
7369766 Optically boosted router  
Systems and techniques to optically boost a router. In general, in one implementation, the technique includes: receiving an optical signal defining a packet of data, initiating electronic routing...
7369765 Optical network with selective mode switching  
A method for communicating optical traffic in a network comprising a plurality of network nodes includes receiving traffic to be added to the network at a network node. The network is operable to...
7366413 Modular cross connect system with 3D-MEMS for optical telecommunication networks  
A modular cross connect system for optical telecommunication networks has the optical unit divided in at least two main bodies with one section for connection comprising the collimators and a main...
7340168 System and method for optically labeled packet transmission  
A system and method for transmitting optically labeled packets using DPSK/ASK modulation. The system comprises a transmitter including at least two modulators adapted to provide DPSK modulation of...
7332234 Optoelectronic device capable of participating in in-band traffic  
An optoelectronic device that has a network address (e.g., IF address) and participates in in-band traffic for purposes of performing functions (e.g., network diagnostics, network control, network...
7327955 Device and method for switching optical data for optical communication networks  
The field of the invention is that of switching optical signals with carrier wavelength conversion capacity, comprising a set of input ports (PE 1 -PEn), a set of output ports (PS 1 -PSn)...
7324752 Optical packet switching apparatus and methods  
An optical packet switch switches optical packets according to bit-rates at which the optical packets are provided. For example, optical packets that are received at similar bit-rates may be routed...
7313328 Node used in photonic network, and photonic network  
A multi-layer photonic network and nodes used therein are provided. The multi-layer photonic network comprises a packet network which performs switching and transfer in packet units, and a photonic...
7305186 Method and apparatus for scheduling communication using a star switching fabric  
In one embodiment, a scheduler for use with a star switching fabric includes a scheduling star switching fabric operable to receive a plurality of packets each associated with one of a plurality of...
7298973 Architecture, method and system of multiple high-speed servers to network in WDM based photonic burst-switched networks  
A modular reconfigurable multi-server system for use in a wavelength-division-multiplexed based photonic burst switched (PBS) network with variable time slot provisioning. An optical high-speed I/O...
7292784 High speed optical routing apparatus and method  
A high speed optical routing apparatus and method, in which data traffic, such as an IP packet, an Ethernet frame, etc., is switched in an optical frame unit at a high speed. The apparatus is...
7283747 Optical switch router  
An optical switch router performs both optical switching and traditional routing. The optical switch router includes optical interfaces for coupling to one or more incoming optical fibers and to...
7283746 Optical virtual local area network  
The maximum number of virtual local area networks (VLANs) is increased beyond the number provided solely with the VLAN ID, by a factor related to the number of wavelengths of a Wavelength Division...
7272313 System with node apparatuses in IP/WDM network  
A system, including: a source node apparatus; a destination node apparatus; the source node apparatus and the destination node apparatus both being in an Internet Protocol/Wavelength Division...
7272310 Generic multi-protocol label switching (GMPLS)-based label space architecture for optical switched networks  
An architecture and method for performing coarse-grain reservation of lightpaths within wavelength-division-multiplexed (WDM) based photonic burst switched (PBS) networks with variable time slot...
7272309 System and method of routing data at a photonic core  
Embodiments of the present invention provide a system and method for routing optical data. In one embodiment of the present invention, data can routed in a non-blocking fashion from a plurality of...
7266296 Architecture and method for framing control and data bursts over 10 Gbit Ethernet with and without WAN interface sublayer support  
An optical network, which includes edge and switching nodes, optically communicate information formatted into statistically multiplexed control and data bursts and/or metadata that are framed...
7266295 Modular reconfigurable multi-server system and method for high-speed networking within photonic burst-switched network  
A modular reconfigurable multi-server system with hybrid optical and electrical switching fabrics for high-speed networking within a wavelength-division-multiplexed based photonic burst-switched...
7263289 Optical dynamic burst switch  
The present invention relates to a node used in an optical communication network, and comprises functions for transferring and receiving data, and a unit for establishing and releasing a cut...
7260327 Method and apparatus for supporting operations and maintenance functionality in an optical burst switching network  
Apparatus and method for supporting operations and maintenance (“OAM”) functionality in an OBS network is described. One embodiment is an OBS network having OAM functionality, the OBS network...
Matches 1 - 50 out of 186 1 2 3 4 >