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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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). |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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.... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |