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Adva Optical Networking Se patents


Recent patent applications related to Adva Optical Networking Se. Adva Optical Networking Se is listed as an Agent/Assignee. Note: Adva Optical Networking Se may have other listings under different names/spellings. We're not affiliated with Adva Optical Networking Se, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Adva Optical Networking Se-related inventors


Network element for distributing timing information

A network element for distributing timing information includes a signal interface for receiving satellite signals transmitted by a satellite system and a processing system for producing the timing information based on the satellite signals and on assistance information received from a data transfer network. The network element transmits the timing information to the data transfer network in accordance with a timing transfer protocol. ... Adva Optical Networking Se

Method and apparatus for managing a frequency spectrum in a wavelength division multiplexing network

A wavelength division multiplexing, wdm, network comprising an apparatus adapted to manage a frequency spectrum in the wavelength division multiplexing, wdm, network, the apparatus comprising an adjustment unit adapted to adjust a frequency offset between carriers for each individual carrier depending on performance characteristics of the individual carriers.. . ... Adva Optical Networking Se

Method and apparatus for automatic compensation of chromatic dispersion

A chromatic dispersion compensation apparatus for automatic compensation of chromatic dispersion of signals transmitted via an optical link at predetermined wavelengths of wdm channels within a predetermined band. A tapping unit taps optical signals received by the chromatic dispersion compensation apparatus via the optical link at predetermined wavelengths and supply them to an optical coherent receiver adapted to tune its local oscillator to wdm channels to generate corresponding analog electrical signals of the wdm channels which are sampled by an analog digital converter to provide digital signal samples of wdm channels processed by a digital signal processor of the chromatic dispersion compensation apparatus to calculate an estimate residual chromatic dispersion value of the received optical signals. ... Adva Optical Networking Se

Method and apparatus for generating a tone signal

A method for generating a tone signal (ts) having a tone frequency, f, wherein the method comprises the following steps: supplying (s1) a binary bit stream (bbs) having a mark pattern with a supply bit rate, br, to a signal filter unit; and filtering (s2) the supplied binary bit stream (bbs) by said signal filter unit to generate the tone signal (ts), wherein the mark pattern of the binary bit stream (bbs) supplied to said signal filter unit is adapted to minimize a ratio of the supply bit rate, br, to the tone frequency, f, of the generated tone signal (ts).. . ... Adva Optical Networking Se

Redundant optical radiant energy source and redundant optical device, especially for metrology applications

A redundant optical radiant energy source, especially for metrology applications, including a redundant optical device for creating optical radiation including at least two semiconductor lasers, which are provided on a thermally conducting laser support, at least one thermal sensor configured to detect the temperature of the laser support or at least one of the semiconductor lasers, respectively; and a heating/cooling device thermally connected to or integrally provided with the laser support.. . ... Adva Optical Networking Se

Optical interference filter device, especially for an optical wavelength locking device

The invention relates to an optical interference filter device which defines a first periodic filter frequency response between a first filter output port and a filter input port and a second periodic filter frequency response having the same free spectral range as the first periodic frequency response between a second filter output port and the filter input port. The first and second periodic filter frequency responses are shifted versus each other by a predetermined optical frequency distance.. ... Adva Optical Networking Se

Method for scheduling a transmission of packets within a network

A method for scheduling a transmission of packets within a network using a common periodic time window, having a congestion protected section, partitioned into time slots, including time slots dedicated to packets being sensitive to a delay variation.. . ... Adva Optical Networking Se

Method and optical transmitter device for creating an optical binary digital transmit signal

A method for creating an optical binary digital transmit signal to be supplied to an optical transmission link including: operating an optical transmitter in such a state that mode hopping occurs between a predefined first and a predefined second optical mode of the optical transmitter if a binary digital modulation signal is supplied to the optical transmitter and creating a modulated optical output signal of the optical transmitter corresponding to the binary digital modulation signal supplied to the optical transmitter. The modulated optical output signal is optically filtered in such a way that at least a portion of the optical power spectrum of the modulated optical output signal caused by a selected one of the first and second optical modes is suppressed or at least substantially attenuated.. ... Adva Optical Networking Se

Method and apparatus for logging transient events of an optical fiber span within a fiber optic system

A method and apparatus for logging transient events of an optical fiber span within a fiber optic system, the method comprising the steps of sampling measured values of at least one signal parameter of an optical signal transported through said optical fiber span, ofs; processing the sampled measurement values to detect an occurrence of a transient event during transport of the optical signal through said optical fiber span, ofs; and providing each detected transient event with a time stamp for correlation with other monitored events within said fiber optic system.. . ... Adva Optical Networking Se

Method and apparatus for monitoring a performance of an ethernet data stream

An apparatus for monitoring a performance of an ethernet data stream, eds, said apparatus comprising: an evaluation unit adapted to evaluate sync headers and block type fields of line code vectors of the ethernet data stream, eds; and a counter unit adapted to increment at least one performance counter in response to the evaluated sync header and the evaluated block type field of each line code vector of the ethernet data stream, eds.. . ... Adva Optical Networking Se

Device and a method for extracting timing information from a radio signal

A device for producing timing information comprises equipment (101) that extracts first preliminary timing information from a first circular polarized component of a radio signal and second preliminary timing information from a second circular polarized component of the radio signal. The second circular polarized component has an opposite handedness and a time-delay with respect to the first circular polarized component. ... Adva Optical Networking Se

Method and central network device for establishing an embedded optical communication channel in an optical wdm transmission system

A method for establishing an embedded optical communication channel in an optical wdm transmission system including: creating, at the central network device, a broad-band optical signal, supplying the broadband optical signal, transmitting the broadband optical signal and the plurality of second optical channel signals to an optical demultiplexer device, transmitting an optical signal consisting of a dedicated second optical channel signal and a filtered broadband optical signal; receiving the optical signal and creating a corresponding electrical receive signal and extracting the electrical signal corresponding to the filtered broadband optical signal from the electrical receive signal and detecting whether the electrical signal contains information intended for the respective first channel transceiver.. . ... Adva Optical Networking Se

System and method of synchronizing a distributed clock in a packet-compatible network

There are provided a clock node, a controller, a method of operating the clock node and a method of operating the controller in a time distribution network (tdn) comprising the controller being in data communication with the clock nodes via a control path. The method of operating the clock node comprises: sending, from the clock node via the control path to the controller, a first timestamp-related data; receiving, by the clock node via the control path from the controller, clock-recovery control data generated by the controller using the first timestamp-related data received from the clock node; processing the received clock-recovery control data to extract data usable for phase and frequency recovery; and using the extracted data to steer frequency and phase characterizing the clock node.. ... Adva Optical Networking Se

Method and apparatus for automatic determination of a fiber type

A method and apparatus for automatic determination of a fiber type of at least one optical fiber span used in a link of an optical network, the method comprising the steps of measuring a length of said optical fiber span; measuring a chromatic dispersion of said optical fiber span; determining a fiber dispersion profile of said optical fiber span on the basis of the measured length and the measured fiber chromatic dispersion; and determining a fiber category and/or a specific fiber type of said optical fiber span depending on the determined fiber dispersion profile.. . ... Adva Optical Networking Se

09/14/17 / #20170264368

Method and transmitter device for creating an optical transmit signal

A method for creating an optical transmit signal includes creating an electrical discrete multi-tone signal according to digital input data carrying the information to be transmitted, the discrete multi-tone signal having a plurality of electrical partial signals, each electrical partial signal defining a sub-channel. Each electrical partial signal includes a sub-carrier at a predetermined sub-carrier frequency which is modulated according to a dedicated modulation scheme, so that a dedicated portion of the digital input data is included in each sub-channel. ... Adva Optical Networking Se

06/29/17 / #20170187482

Wavelength division multiplexed telecommunication system with automatic compensation of chromatic dispersion

A wavelength division multiplexed telecommunication system with automatic compensation of chromatic dispersion in a predetermined wavelength band, said wdm telecommunication system comprising a probe signal detection unit at a receiver side adapted to detect amplitude modulated probe signals generated by a probe signal generation unit at a transmitter side with a predetermined relative phase difference and transmitted through an optical link to said receiver side; and a chromatic dispersion compensation unit adapted to compensate the chromatic dispersion in response to a relative phase difference of the amplitude modulated probe signals detected by said probe signal detection unit at the receiver side.. . ... Adva Optical Networking Se

06/22/17 / #20170176699

Optical multichannel transmission and/or reception module, in particular for high-bitrate digital optical signals

Disclosed is an optical multichannel transmission and/or reception module, in particular for high-bitrate digital optical signals, with a housing having multiple optical input ports and/or optical output ports and containing an electric assembly and an essentially flat opto-electric module connected electrically to the electric assembly. Multiple electro-optic transmission elements and/or multiple opto-electric reception elements are located on or in the opto-electric module. ... Adva Optical Networking Se

06/15/17 / #20170167913

Random light collector device

Disclosed is a random light collector device including a reflecting cavity configured to enclose a random light source that randomly transmits photons. The reflecting cavity has an inner wall adapted to reflect at least a portion of the photons to an output port and guiding means for directing the photons to a photodetector. ... Adva Optical Networking Se

04/13/17 / #20170104608

System and method of assessing latency of forwarding data packets in virtual environment

There are provided a system and method of assessing latency of forwarding data packets in virtual environment. The method comprises: generating packet signatures sgd and sga respectively for departing and arriving data packets; maintaining a first data structure comprising records related to departing packets associated with a first virtual function (vf), each record informative of sgd and registered departure time td of a given departing packet; responsive to registering arriving time ta of a given monitored arriving packet sga associated with a second vf, searching the first data structure for a record matching a matching condition sgd=sga; modifying the matching record to become informative of latency Δt=ta−td and adding the modified record to a second data structure; and using data in the second data structure for assessing latency of forwarding packets from the ingress virtual port to the egress virtual port.. ... Adva Optical Networking Se








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