Matches 1 - 48 out of 48


Match Document Document Title
US20070019957 Dynamic bandwidth allocation apparatus and method in Ethernet Passive Optical Network, and EPON master apparatus using the same  
The invention provides a method and apparatus for allocating a dynamic band width of an EPON and an EPON master apparatus using the same. The bandwidth allocation is cycle based where every...
US20130034356 Rogue Optical Network Unit Mitigation in Multiple-Wavelength Passive Optical Networks  
A method implemented in an optical line terminal (OLT) for reducing adverse effects from a rogue optical network unit (ONU) in a passive optical network (PON), comprising determining with a...
US20150171988 Wireless Communication Subsystem with a Digital Interface  
Systems and methods are disclosed which provide wireless communication systems implementing subsystems adapted for flexible deployment configurations and to resist the introduction of...
US20140355989 SYSTEMS AND METHODS FOR PROVIDING BROADBAND COMMUNICATION  
Systems and methods for providing broadband communication are provided. An optical fiber node may be coupled to a source component. The optical fiber node may receive, from the source component, a...
US20110038632 Method, Apparatus, and System for Extending Passive Optical Network  
A PON extender includes an optical amplifier that is adapted to compensate optical power for PON signals in a downlink channel. An optical control switch is connected with an ONU and is adapted to...
US20080187314 REFLECTIVE SEMICONDUCTOR OPTICAL AMPLIFIER-BASED OPTICAL ACCESS NETWORK SYSTEM HAVING IMPROVED TRANSMISSION QUALITY  
Disclosed herein is an optical access network system in which the transmission quality of an upstream signal is remarkably improved in an optical access network in which a Reflective Semiconductor...
US20080310842 DOCSIS COMPATIBLE PON ARCHITECTURE  
In one embodiment, systems for transporting a signal between at least one control point and a user device, comprising a passive optical network operatively coupled to the at least one control...
US20050047785 Bi-directional wavelength division multiplexing passive optical network and method for allocating wavelength band  
A bi-directional WDM-PON and a method for allocating a wavelength band are disclosed. In the bi-directional WDM-PON, bi-directional transceiver modules are used to transmit optical signals of...
US20050036787 Bi-directional wavelength division multiplexing system  
A bi-directional WDM communication system of the type having central and local offices, and subscribers is provided. The central office includes downstream Bragg reflector lasers for generating...
US20100142955 Optical line terminal, passive optical network and radio frequency signal transmission method  
An optical line terminal, a passive optical network and a radio frequency signal transmission method in the communication technical field are provided. The passive optical network comprises: an...
US20080069564 Optical Aggregation and Proxy Device  
An optical aggregation device can couple a plurality of optical line terminals to a common plurality of optical network terminals. The device is coupled to the network terminals via a passive...
US20140233954 LINK ESTABLISHMENT METHOD FOR MULTI-WAVELENGTH PASSIVE OPTICAL NETWORK SYSTEM  
Provided is a method of establishing a link between service provider equipment and subscriber equipment in a multi-wavelength passive optical network system. The method of establishing a link...
US20130089332 OPTICAL FIBER-BASED DISTRIBUTED COMMUNICATIONS COMPONENTS, SYSTEMS, AND METHODS EMPLOYING WAVELENGTH DIVISION MULTIPLEXING (WDM) FOR ENHANCED UPGRADABILITY  
Optical fiber-based distributed communications components and systems employing wavelength division multiplexing (WDM) for enhanced upgradability. The system comprises a plurality of downlink...
US20060153567 Wavelength-division multiplexing-passive optical network  
Disclosed is a wavelength-division multiplexing-passive optical network having a central office including a plurality of first working and protection transmit/receive modules, working and...
US20060115271 Method for operating wavelength-division-multiplexed passive optical network  
Disclosed is a method for operating a wavelength-division-multiplexed passive optical network (WDM-PON) including an optical line terminal (OLT) and a plurality of optical network units (ONUs),...
US20060257149 Method and apparatus for accommodating multiple optical segments in an Ethernet passive optical network  
One embodiment of the present invention provides a system that accommodates multiple optical segments in an Ethernet passive optical network (EPON), wherein the EPON includes a central node and a...
US20140140701 TIME AND WAVELENGTH-SHIFTED DYNAMIC BIDIRECTIONAL SYSTEM  
In one embodiment, a bidirectional optical network is disclosed, in which an incoming/downstream modulated optical signal(s) of a particular wavelength may carry content from a headend to a...
US20060147211 Wavelength-division-multiplexed passive optical network  
A wavelength division multiplexing passive optical network including optical lines for link is disclosed. The passive optical network includes a plurality of optical network units each of which...
US20050041971 Multi-wavelength optical transmitter and bi-directional wavelength division multiplexing system using the same  
A multi-wavelength optical transmitter which multiplexes a plurality of channels having different wavelengths into an optical signal for output includes lasers for generating mode-locked channels...
US20070116467 Passive optical network  
A point-to-multi-point passive optical network (PON) includes: an optical line terminal (OLT) comprising an optical transceiver for generating a downstream optical signal and a monitoring signal...
US20070116465 Systems and methods for dynamic alignment of data bursts conveyed over a passive optical net work  
In accordance with certain embodiments, an optical network terminal (ONT) is provided that comprises a processor module, a serializer module and an optical transmitter. The processor module may...
US20050069319 Passive optical network with optical fiber amplifier  
The invention is related to a passive optical network with a central station and at least one remote station, the stations are connected via a downstream link and a upstream link. The remote...
US20060153566 Methods and apparatuses to provide a wavelength-division-multiplexing passive optical network with asymmetric data rates  
Various methods, systems, and apparatuses are described in which a wavelength-division-multiplexing passive-optical-network includes a wavelength-locked light source and a wavelength-specific...
US20080019694 WAVELENGTH DIVISION MULTIPLEXING PASSIVE OPTICAL NETWORK SYSTEM  
Disclosed is a wavelength division multiplexing passive optical network (WDM PON) system in which an optical signal outputted from a central office is injected into a Fabry-Perot laser diode (F-P...
US20080013951 WAVELENGTH DIVISION MULTIPLEXING PASSIVE OPTICAL NETWORK SYSTEM  
Disclosed is a wavelength division multiplexing passive optical network (WDM PON) system in which an optical signal outputted from a central office is injected into a Fabry-Perot laser diode (F-P...
US20070047959 SYSTEM AND METHOD FOR SUPPORTING COMMUNICATIONS BETWEEN SUBCRIBER OPTICAL INTERFACES COUPLED TO THE SAME LASER TRANSCEIVER NODE IN AN OPTICAL NETWORK  
A backwards compatible method and system for receiving upstream frames and reflecting the frames downstream to support communications between subscriber optical interfaces (SOIs) coupled to a same...
US20060182446 Integrated wired and wireless WDM PON apparatus using mode-locked light source  
Integrated wired and wireless wavelength division multiplexing passive optical network (WDM PON) apparatus using a light source mode-locked to fed incoherent light includes: a fed light generator...
US20080131125 LOOPBACK-TYPE WAVELENGTH DIVISION MULTIPLEXING PASSIVE OPTICAL NETWORK SYSTEM  
Provided is a loopback-type wavelength division multiplexing passive optical network (WDM-PON) system including: a central office converting downstream signals into downstream optical subcarrier...
US20060222365 SCM-PON using WDM  
A SCM-PON using WDM includes: an OLT for transferring downstream data from an external service provider through downstream optical signals and transferring upstream data transferred through...
US20130223841 TIME/WAVELENGTH-DIVISION MULTIPLEXED PASSIVE OPTICAL NETWORK (TWPON)  
The present invention discloses a time/wavelength-division multiplexed passive optical network (TWPON), which has an optical splitter (21) and a waveguide grating router (WGR) (22) disposed at a...
US20060110161 Method and apparatus for monitoring optical fibers of passive optical network system  
Provided are an apparatus and method for monitoring optical fibers of a passive optical network system including an optical line termination located in a central office, a remote node that is a...
US20070147837 Method of increasing number of subscribers using time division duplexing technology in wavelength division multiplexing/Ethernet passive optical network system  
Provided is a method of increasing the number of subscribers using a time division duplexing (TDD) technology in a wavelength division multiplexing (WDM)/Ethernet passive optical network (WE-PON)...
US20120263470 METHOD FOR PROCESSING TRAFFIC IN AN OPTICAL NETWORK AND OPTICAL NETWORK COMPONENT  
A method for processing traffic in an optical network. The optical network includes a transport network with a first fiber and a second fiber, wherein traffic over the first and second fibers is...
US20050074240 Wavelength-division-multiplexed passive optical network system using wavelength-seeded light source  
An economical wavelength-division-multiplexed passive optical network (WDM-PON) system is realized by directly modulating a wavelength-seeded light source to transmit upstream or downstream data,...
US20050259988 Bi-directional optical access network  
A bi-directional optical access network is disclosed. The network includes a central office that generates a plurality of wavelength-locked downstream optical signals, multiplexes the downstream...
US20110135307 Fiber Optic Terminals, Systems, and Methods for Network Service Management  
Fiber optic terminals, systems, and methods for providing differentiated network services to subscribers of a fiber optic network are disclosed. In certain embodiments, fiber optic terminals and...
US20100158520 LAN EMULATION METHOD IN WDM-PON AND INFORMATION STORAGE MEDIUM  
Provided are a local area network (LAN) emulation method and an information storage medium. The LAN emulation method provides a LAN emulation function in an arrayed-waveguide grating (AWG)-based...
US20120213519 TRANSMISSION DEVICE OF A LOW-NOISE OPTICAL SIGNAL HAVING A LOW-NOISE MULTI-WAVELENGTH LIGHT SOURCE, A TRANSMISSION DEVICE OF BROADCAST SIGNALS USING A LOW-NOISE MULTI-WAVELENGTH LIGHT SOURCE, AND AN OPTICAL ACCESS NETWORK HAVING THE SAME  
The present invention discloses a transmission device of a low-noise optical signal having a low-noise multi-wavelength light source, a transmission device of broadcast signals using a low-noise...
US20140016938 TEMPERATURE ADJUSTABLE CHANNEL TRANSMITTER SYSTEM INCLUDING AN INJECTION-LOCKED FABRY-PEROT LASER  
A tunable channel transmitter system for a wavelength division multiplexed (WDM) passive optical network (PON) includes a WDM communication system having a plurality of WDM channel bandwidths, an...
US20100021164 WDM PON RF/VIDEO BROADCAST OVERLAY  
A system for overlaying an analog broadcast channel in a Wavelength Division Multiplexed Passive Optical Network (WDM-PON). A remote node of the WDM PON includes a MUX/DEMUX for demultiplexing a...
US20070189772 Hybrid passive optical network using wireless communication  
Provided is a hybrid Passive Optical Network (PON) using a wireless communication. The hybrid PON includes a Central Office (CO) for transmitting downstream optical signals, a Remote Node (RN) for...
US20140072305 METHOD AND SYSTEM FOR BI-DIRECTIONAL COMMUNICATION OVER A SINGLE OPTICAL FIBER  
Gigabit Ethernet connectivity is realized using off-the-shelf GIGABIT INTERFACE CONVERTER transceivers, wave division multiplexer/demultiplexers, and a single optical fiber. Simultaneous and...
US20070177873 Hybrid passive optical network  
Disclosed is a hybrid PON including: a central office, remote terminal and a plurality of optical network units arranged in groups, the central office for outputting downstream optical signals,...
US20060182445 Wavelength division multiplexed passive optical network system using light source wavelength-locked by injected incoherent light  
Disclosed is a wavelength-division-multiplexed passive optical network (WDM-PON) using a light source wavelength-locked by an injected incoherent light. The WDM-PON system includes: an injection...
US20090304388 Optical Branching Apparatus and Passive Optical Network System  
In the case where, in a WDM-PON system, a high-output optical signal or a pseudo signal for illegal access by a hostile user, or an optical signal with a wavelength which is not assigned from an...
US20060039700 Passive optical network  
A passive optical network using downstream and upstream optical signals for achieving a two-way communication is provided, wherein the downstream and upstream optical signals have different...
US20090060510 Optical Network Terminal Apparatus  
A distributed optical network terminal apparatus includes an n-plexer selecting a plurality of downstream channels of a received wavelength division multiplexed (WDM) optical signal. A wavelength...
US20090324225 METHOD FOR MAINTAINING THE COMPATIBILITY OF LEGACY OF RECEIVERS, OPTICAL DISTRIBUTING NETWORK STRUCTURE, AND PARTS THEREOF INCLUDING A METHOD FOR USING SUCH PART  
The invention relates to a method for maintaining the compatibility of legacy receivers in network termination units of an optical distributing network structure, especially in a passive optical...

Matches 1 - 48 out of 48