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US20150207826 Extending EPON Multi-Point Control Protocol to Run on Ethernet PON over Coax Networks  
A method implemented by a middlebox comprising registering a customer premises equipment (CPE) in the middlebox, wherein the CPE is coupled to the middlebox via an electrical line, and...
US20120128360 OPEN OPTICAL ACCESS NETWORK SYSTEM  
The present invention relates to an open optical access network system in which one optical access network is open to enable a plurality of service providers and a plurality of subscribers to...
US20140233955 Passive Optical Network System  
A system for providing bi-directional RF services over a point-to-multipoint Passive Optical Network (PON). A system that can transport upstream RF signals generated by devices such as a set top...
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...
US20100296811 OPTICAL ACCESS SYSTEM  
There are provided multiple candidates for FEC codes selectable for each of the ONTs. An OLT is provided with: means for storing redundancy and a code length of each FEC code in a table; means for...
US20140334823 WAVELENGTH AND BANDWIDTH ALLOCATION METHOD  
A wavelength and bandwidth allocation method which includes in order a wavelength determination step S4 of determining a plurality of wavelengths of an uplink signal from each ONU to OLT to...
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...
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...
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...
US20120163809 Burst-Mode Receiver Equipped with Optical Amplifier, Method for Controlling Optical Amplifier, and System  
To, even when a transmission wavelength varies in each ONU and an optical amplifier gain depends on the wavelength in an OLT equipped with an optical amplifier, prevent the optical amplifier gain...
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...
US20100098413 PERFORMANCE MONITORING IN PASSIVE OPTICAL NETWORKS  
One embodiment provides a system for performance monitoring in a passive optic network (PON). The system includes an optical line terminal (OLT) and an optical network unit (ONU). The OLT includes...
US20130163991 SYSTEM FOR PROVIDING WDM-BASED WIRELESS OPTICAL TRANSPORT NETWORK AND METHOD FOR TRANSMITTING WIRELESS OPTICAL SIGNAL USING THE SAME  
Disclosed are a system for providing a WDM-based wireless optical transport network and a method for transmitting a wireless optical signal using the same. The system for providing a WDM-based...
US20070230958 Method and System for Maintenance of a Passive Optical Network  
The present disclosure relates to a passive optical network (PON) and discloses a method and system for maintaining the PON where the optical line terminal (OLT) is provided with an optical power...
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...
US20120321317 Long-Distance Box and Method for Processing Uplink and Downlink Lights Thereof  
The disclosure provides a long-distance box and a method for processing uplink/downlink light thereof. The method includes that: the uplink/downlink light (uplink light and downlink light) from...
US20080310843 PASSIVE OPTICAL NETWORK SYSTEM FOR THE DELIVERY OF BI-DIRECTIONAL RF SERVICES  
A system for providing bi-directional RF services over relating to a point-to-multipoint Passive Optical Network (PON).
US20070183778 Passive optical network  
A passive optical network includes: a central office for generating multiplexed downstream optical signals and receiving an upstream optical signal; a plurality of optical network units for...
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...
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...
US20130039660 OPTICAL TRANSCEIVER THAT MAINTAINS A BEND DIAMETER OF AN INTERNAL OPTICAL FIBER AND METHOD OF ASSEMBLING SAME  
An optical transceiver includes an internal optical fiber coupled to optical sub-assemblies in the transceiver and is capable of maintaining a bend diameter of the internal optical fiber above a...
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...
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...
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...
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...
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...
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...
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...
US20070133990 Reflective semiconductor optical amplifier (RSOA), RSOA module having the same, and passive optical network using the same  
A Reflective Semiconductor Optical Amplifier (RSOA) for compensating for light loss in an optical link, an RSOA module for improving polarization dependency using the RSOA, and a Passive Optical...
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...
US20090103922 TDM/WDMA PASSIVE OPTICAL NETWORK DEVICE  
Provided is a time division multiplex (TDM)/wavelength division multiple access (WDMA) passive optical network (PON) device. The TDM/WDMA PON device comprises a base station terminal, a wavelength...
US20100278535 WAVELENGTH DIVISION MULTIPLEXING-PASSIVE OPTICAL NETWORK USING EXTERNAL SEED LIGHT SOURCE  
Provided are a wavelength division multiplexing-passive optical network (WDM-PON) in which a reflective semi-conductor optical amplifier (RSOA) is used as each optical transmitter of an optical...
US20070003282 Method and system for accommodating different clock frequencies in an Ethernet passive optical network  
One embodiment of the present invention provides a system that accommodates different clock frequencies in an EPON. The system receives a signal from the OLT at the ONU and derives an OLT clock....
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...
US20090274463 UPGRADE RESILIENT MULTI-TRANSPORT OPTICAL NETWORK TERMINAL  
This disclosure is directed to devices and methods for facilitating the upgrade of optical networks. An optical network terminal (ONT) that terminates an optical fiber link of an optical network...
US20120269515 1 TB/S CONVERGED OPTICAL METRO-ACCESS TRANSMISSION BASED ON WAVELENGTH DIVISION MULTIPLEXED ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS PASSIVE OPTICAL NETWORK (WDM-OFDMA-PON)  
A Wavelength Division Multiplexed Orthogonal Frequency Division Multiple Access Passive Optical Network (WDM-OFDMA-PON) includes a passive last-mile optical split terminated by optical network...
US20130209105 WAVELENGTH-SHIFTED BIDIRECTIONAL WAVELENGTH DIVISION MULTIPLEXING OPTICAL NETWORK  
Disclosed is a wavelength-shifted bidirectional WDM optical network including: an optical line terminal including an optical line terminal (OLT) including a first optical transmitter transmitting...
US20070154217 Extendable loop-back type passive optical network and scheduling method and apparatus for the same  
Provided are extendable loop-back passive optical network (PON) and scheduling method and apparatus for the same. The loop-back type PON includes an OLT (optical line terminal) including a...
US20090080890 OPTICAL REPEATER DEVICE AND OPTICAL TRANSMISSION SYSTEM  
An optical repeater device of the present invention comprises: a preamble compensating circuit 53, for taking out a normal data signal from burst signals propagating through a communication...
US20090220230 Passive Optical Network Based On Reflective Semiconductor Optical Amplifier  
Provided is a passive optical network (PON) based on a reflective semiconductor optical amplifier (RSOA). In the PON, seed-light-injection RSOAs are used in an optical line terminal (OLT) to...
US20080267627 Passive Optical Network with Partially-Tuned Lasers  
A passive optical network (PON) component comprising a processor coupled to a plurality of receivers, the processor configured to monitor a plurality of drifting laser wavelengths and cause the...
US20100111523 EPON WITH POWER-SAVING FEATURES  
One embodiment provides a system for power saving in an Ethernet Passive Optic Network (EPON). The system includes an optical line terminal (OLT), an optical network unit (ONU), a...
US20100142954 STANDBY BROADBAND LIGHT SOURCE FOR PASSIVE OPTICAL NETWORKS  
Techniques are disclosed for a broadband service provider to maintain continuity of service in the event that a broadband light source fails in a passive optical network which uses...
US20150043916 METHOD AND SYSTEM FOR PROVIDING DEDICATED SERVICE ON A PASSIVE OPTICAL NETWORK  
An approach for providing dedicated service in a passive optical network (PON) is described. A dedicated service generates a multi-wavelength optical signal comprising a plurality of sub-signals...
US20090220231 Methods and Systems for Delivery of Multiple Passive Optical Network Services  
A system for delivering multiple passive optical network services is disclosed. The system includes a first optical transmission service comprising a common wavelength pair routed from a source to...
US20100046946 WDM PON RF OVERLAY ARCHITECTURE BASED ON QUANTUM DOT MULTI-WAVELENGTH LASER SOURCE  
In a Wavelength Division Multiplexed Passive Optical Network (WDM-PON) including, a system for overlaying an analog broadcast signal. An Optical Line Terminal of the WDM-PON includes a broadband...
US20130183039 SELECTABLE MULTIPLE-WAVELENGTH ACCESS FOR OPTICAL NETWORK UNITS IN ARRAYED WAVEGUIDE BASED WAVELENGTH DIVISION MULTIPLEXING PASSIVE OPTICAL NETWORK  
An optical network unit (ONU) accesses services provided by multiple optical line terminals (OLTs) in a wavelength division multiplexing (WDM) passive optical network (PON). The ONU receives...
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...
US20120177373 COMMUNICATION SYSTEM AND METHOD FOR DIRECTLY TRANSMITTING SIGNALS BETWEEN NODES OF A COMMUNICATION SYSTEM  
A communication system has a plurality of nodes adapted to provide for a communication with one or more devices, a central node, a passive optical network having a multiplexer/demultiplexer device...
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...

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