Matches 1 - 50 out of 243 1 2 3 4 5 >


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US20130051797 MEthod for Energy Efficient Reoptimization of Optical Networks  
In optical networks new links are added between nodes over time to satisfy the increasing traffic demands of the network. Existing links are normally not changed, resulting in a network that does...
US20130101286 DEMAND ACCOMMODATION DESIGNING SYSTEM AND METHOD  
A demand accommodation design system for accommodating a demand specifying a signal transmission route from a start-point node to an end-point node within an optical network includes an analytical...
US20110262132 Daisy Chainable ONU  
Embodiments of a scalable optical network unit (ONU) architecture for multi-dwelling units (MDUs) that has a low initial cost (or first port cost) and a low maintenance cost are provided herein....
US20090142054 SONET multiplexer card having front panel access to electrical and optical connectors for use in compact enclosure for SONET multiplexer cards  
A reduced size multiplexer and, in particular, a reduced size SONET multiplexer module is provided for use in a reduced size enclosure. The SONET multiplexer module has electrical and optical...
US20140072308 Circuit Architecture and System for Implantable Multi-Function and Multi-Analyte Biosensing Device  
An implantable bio-sensing platform architecture that enables the wireless selection, calibration and reading of multiple sensors, as well as checking the power levels of the solar powering source...
US20090232494 OPTICAL NETWORK, MONITORING UNIT AND MONITORING METHOD  
An optical network having a tree-like structure with a main line and a plurality of branches, at least two of the branches comprising a monitoring unit for upstream signalling to the main line,...
US20130004167 OPTICAL FRAME ATTACHED WITH ALIGNMENT FEATURES MICROFABRICTATED IN DIE  
A photonic device assembly including a photonic device fabricated on a chip substrate, the chip substrate having a physical alignment feature fabricated therein, and a frame to couple an external...
US20120093513 METHOD AND APPARATUS FOR SYNCHRONIZATION IN A PASSIVE OPTICAL NETWORK  
A method, apparatus and system for aligning frames in which an Optical Network Unit (ONU) receives a frame comprising frame delimitation information and synchronization-related information;...
US20120189304 METHOD, APPARATUS, AND SYSTEM FOR ASSIGNING TRIBUTARY PORT NUMBER  
Embodiments of the present invention relate a method, an apparatus, and a system for assigning a tributary port number. The method includes: receiving a service path request message which is sent...
US20110064405 FLEXIBLE AND INTEGRATED FRAME STRUCTURE DESIGN FOR SUPPORTING MULTIPLE TOPOLOGIES WITH VISIBLE LIGHT COMMUNICATION  
For use in a visible light communication (VLC) network, a system and method for communicating a plurality of medium access control (MAC) frames. The method includes providing a single frame...
US20120123815 WAVELENGHT REGENERATION IN A NETWORK  
An optical network including a plurality of gateway nodes interconnected with a plurality of intermediate nodes with segments of fiber. The network includes a plurality of devices, such as...
US20100014857 Method of mapping OPUke into OTN frames  
The present invention discloses a method of mapping Optical Payload Unit (OPU) k (k=1, 2, 3 or any positive integer) Ethernet signals (E) into Optical Transport Network (OTN) frames for 10 Gigabit...
US20110188849 SYSTEM FOR REDUNDANCY IN ETHERNET PASSIVE OPTICAL NETWORKS (EPONS)  
A system for redundancy in Ethernet passive optical networks (EPONs) facilitates fast recovery from failure (less than 50 msec), path redundancy of the fiber optic network, and location redundancy...
US20130077973 SPECTRALLY EFFICIENT MODULATION FOR AN OPTICAL-TRANSPORT SYSTEM  
An optical transport system having an optical add-drop multiplexer configured to reduce inter-channel crosstalk by driving Mach-Zehnder pulse carvers in its optical transmitters with electrical...
US20090047021 Integrated overlay card, optical line terminal and system with integrated overlay card, and methods for operating the system and terminal  
An integrated overlay card, an optical line terminal with an integrated overlay card, and a method for operating an optical network. The integrated overlay card may fit at least partially within...
US20110262136 OPTICAL DIGITAL TRANSMISSION SYSTEM  
An optical digital transmission system of the present invention newly defines one second negative stuff byte in an overhead area for accommodation of the client signals with multiplexing into the...
US20110116792 Optical Network Interface Module Using a Hardware Programmable Optical Network Interface Engine  
An optical network interface (ONI) module has two main components: an optoelectronic front-end and a general purpose hardware-programmable optical network interface engine. The ONI engine is...
US20090269059 LONG-REACH PASSIVE OPTICAL NETWORK USING REMOTE MODULATION OF AN AMPLIFICATION OPTICAL SIGNAL  
A passive optical network is provided, which includes an optical central office connected to a line termination device by a branch of the network including a passive amplification medium. The...
US20110123192 Optical Under-Sampling And Reconstruction Of Sparse Multiband Signals  
A scheme for reconstructing multiband signals that occupy a small part of a given broad frequency range under the constraint of a small number of sampling channels. The multirate sampling scheme...
US20120134671 CONTINUOUSLY TOWED SEAFLOOR ELECTOMAGNETIC PROSPECTING SYSTEM  
A towed system for underwater electromagnetic prospecting for use with a seaward vessel is provided. The towed system comprises a first portion, a second portion, and a tow cable. The first...
US20120328288 METHOD FOR AGGREGATING MULTIPLE CLIENT SIGNALS INTO A GENERIC FRAMING PROCEDURE (GFP) PATH  
Used bandwidth counts for each of multiple client streams are maintained. A used bandwidth count for a client stream is increased when data from the client stream is put in a Generic Framing...
US20080317464 Base Station System  
The present invention discloses a base station system, including an indoor part and a remote RF subsystem (RRS). The indoor part includes a RIU, a CCU, a BBU, a GPSU and a local interface unit....
US20150241630 DIRECTIONAL COUPLER, AND MULTIPLEXER AND DEMULTIPLEXER  
The directional coupler includes: lattice points periodically arranged in the 2D-PC slab and configured to diffract optical waves, THz waves, or millimeter waves in PBG frequencies in PBG...
US20080080860 OPTICAL NETWORK SYSTEM  
An optical transponder includes a mapping unit mapping, out of multiple types of signals including a first client signal and a second client signal that transmission rates are different from each...
US20090148160 Optical diplexer module using mixed-signal multiplexer  
An optical diplexer module includes: an optical diplexer module comprising: a multiplexing unit multiplexing RF signals and a wideband digital signal having a baseband bandwidth to output a single...
US20110044686 Method and Device for Mapping and Demapping A Client Signal  
A method and a device for mapping and demapping a client signal are provided. The method for mapping a client signal includes: dividing a part or all of a payload area of an Optical Channel...
US20140023363 SYSTEMS AND METHODS FOR NETWORKING CONSUMER DEVICES  
Systems and methods for enrolling nodes into an ad hoc network associated with a multi-roomed structure. Nodes within the ad hoc network comprise a communication module configured to communicate...
US20150249499 SUPPORT SYSTEM FOR FIBER OPTIC COMPONENTS IN HARSH ENVIRONMENT MACHINES  
A multiplexed sensor system includes a control unit in communication with a plurality of sensors. A plurality of optic fibers defines a communication path between the plurality of sensors and the...
US20090162057 PLUGGABLE MODULE WITH INTEGRATED TRAFFIC MANAGEMENT FUNCTIONALITY  
The invention relates to a network comprising at least one host device having an interface card connected to a backplane of said host device, wherein said interface card comprises at least one...
US20090047016 Multi-access network terminal, communication method, service-providing method, and revenue-receiving method  
A multi-access network terminal includes first and second communication interfaces. The first interface is configured to communicate with a first service provider providing services to a user...
US20100129086 SYSTEM AND METHOD FOR INCREASING UPSTREAM OPTICAL CODING GAIN IN A GIGABIT PASSIVE OPTICAL NETWORK (GPON)  
A system, method, and computer readable medium for increasing an upstream optical coding gain in a passive optical network (PON). In an exemplary embodiment of the invention, the system may...
US20150086199 COMPACT TWO-STAGE OPTICAL AMPLIFIER  
Various exemplary embodiments relate to an optical amplifier, including: a multicore rare-earth doped optical fiber with a first plurality of cores associated with a first stage of the optical...
US20080050116 STATION-SIDE OPTICAL NETWORK TERMINAL APPARATUS, SUBSCRIBER-SIDE OPTICAL NETWORK TERMINAL APPARATUS, AND OPTICAL COMMUNICATION SYSTEM  
While continuously providing a service in an existing optical communication system, a service at another communication speed is realized at low cost. For this reason, a station-side optical...
US20090154920 ETHERNET SERVICE CONFIGURATION DEVICE, METHOD, AND SYSTEM IN PASSIVE OPTICAL NETWORK  
An Ethernet service configuration device, method, and system in a passive optical network (PON) are provided. The device includes a PON protocol processing module, an Ethernet module, and at least...
US20090022492 DQPSK Transmitter With Parallel Precoder And High-Speed DQPSK Data Stream Realignment  
The present invention utilizes field programmable gate arrays (FPGAs) to implement a parallel differential quadrature phase shift keying (DQPSK) precoder and a DQPSK optical transmitter with an...
US20120027407 METHOD AND DEVICE FOR SENDING UPSTREAM TRANSFER FRAME IN PASSIVE OPTICAL NETWORK  
The present disclosure relates to the Passive Optical Network (PON) technology, and a method for sending an upstream transfer frame in a PON is provided, so as to improve flexibility of a system...
US20050254818 Optical wireless access systems for train passengers  
A method for transmitting wireless signals from a plurality of wireless access points (AP) to a train is disclosed in this invention. The method includes a step of connecting a high speed...
US20080310838 Independent upstream/downstream bandwidth allocations in a common hybrid telecommunications network  
A network interface apparatus comprises a bidirectional optical signal port, an optical diplexer connected to the bidirectional optical signal port, a first RF signal port (bidirectional), a...
US20120183289 Passive Optical Network Module  
A GPON module comprises a housing and a circuit board disposed in the housing. The circuit board further includes ground lines that substantially isolate regions of the circuit board, an...
US20120070151 Optical Modulators for Generating De-Emphasis Formatted Optical Signals and Methods of Operating the Same  
A de-emphasis format signal generator can be configured to combine first and second electrical non-de-emphasis formatted signals provided to first and second optical modulators, coupled in...
US20080063397 SYSTEM AND METHOD FOR PROVIDING WIRELESS OVER A PASSIVE OPTICAL NETWORK (PON)  
A network system and method include a wireless base station integrated at a central office of a service provider. The wireless base station is configured to provide portable and fixed services to...
US20110142446 OPTICAL TRANSMITTER ADAPTATION TO NETWORK TOPOLOGY  
The present invention provides a system, apparatus and method to efficiently switch from one modulation format to another modulation format based upon a current route or path through a network...
US20130004168 CLIENT SIGNAL ACCOMMODATING MULTIPLEXING APPARATUS AND METHOD  
In an apparatus for accommodating and multiplexing asynchronous client signals in which an idle signal is defined, the transmission side transmits client signals after synchronizing the client...
US20090232495 PASSIVE OPTICAL NETWORK SYSTEM WITH MODE-VARIABLE OPTICAL NETWORK UNIT  
An optical line terminal connecting with numbers of optical network units comprises a control unit which controls each optical network unit to make it operate in a first mode in which transmission...
US20130343754 VARIABLE-LENGTH TRAINING FIELDS IN COAXIAL COMMUNICATIONS  
A coaxial physical layer device operates in at least two different modes: a discovery mode and a normal mode. In the discovery mode, a first orthogonal frequency-division multiplexing (OFDM)...
US20130243428 COMMUNICATION SYSTEM AND METHOD THEREFOR  
A frame transmitting apparatus includes a transmitting unit which transmits, when a change is made to a value in a predetermined field of a frame, the frame including the predetermined field with...
US20140126902 OPTICAL COMPENSATION USING A SPACE DIVISION MULTIPLEXING ELECTRO-OPTIC RECEIVER  
Disclosed herein are methods, structures, and devices for optical communications systems operating through turbulent media. More specifically, a spatial division multiplexing photonic integrated...
US20090269066 Single-Unit Integrated Transceiver Having Pump Source and Transceiver Module Using the Same  
Provided are a sing-unit integrated transceiver having a pump source and a transceiver module using the transceiver. The single-unit integrated transceiver includes: an optical transmitter...
US20090067843 Optical Wavelength-Division-Multiplexed (WDM) Comb Generator Using a Single Laser  
Apparatus, systems and techniques that use a single laser to generate desired optical WDM comb frequencies.
US20110311225 METHOD AND DEVICE FOR SENDING UPSTREAM TRANSFER FRAME IN PASSIVE OPTICAL NETWORK  
The present invention relates to the Passive Optical Network (PON) technology, and a method for sending an upstream transfer frame in a PON is provided, so as to improve flexibility of a system...

Matches 1 - 50 out of 243 1 2 3 4 5 >