Patents by Inventor Bernhard Spinnler

Bernhard Spinnler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10439730
    Abstract: A method and device is provided for reducing optical transmission impairments, particularly nonlinear effects, of at least one link Said method comprising the following steps: extracting a phase information (??) from an optical signal (120) received via that at least one link, determining a nonlinear coefficient (?), associated with the at least one link, based on the phase information (??), applying a control mechanism (202) using the nonlinear coefficient (?). Furthermore, a communication system is suggested comprising said device.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: October 8, 2019
    Assignee: Xieon Networks S.à.r.l.
    Inventors: Antonio Napoli, Chien-Yu Lin, Bernhard Spinnler, Vincentius Antonius Johannes Mar Sleiffer
  • Publication number: 20190199442
    Abstract: Disclosed herein is a dual parallel Mach-Zehnder-modulator (DPMZM) device comprising a DPMZM 10 having first and second inner MZMs arranged parallel to each other. The first inner MZM generates an in-phase component EI of an optical signal in response to a first driving voltage VI, and the second inner MZM generates a quadrature component EQ of said optical signal in response to a second driving voltage VQ. Further disclosed is a calculation unit 52 configured for receiving an in-phase component yI and a quadrature component yQ of a desired base-band signal, and for calculating pre-distorted first and second driving voltages VI, VQ. The calculation of the pre-distorted first and second driving voltages VI, VQ is based on a model of said DPMZM 10 accounting for I-Q cross-talk, and using an algorithm that determines said first and second driving voltages VI, VQ each as a function of both of said in-phase and quadrature components yI, yQ of said base-band signal.
    Type: Application
    Filed: February 26, 2019
    Publication date: June 27, 2019
    Inventors: Alessandro BIANCIOTTO, Stefano CALABRÓ, Maxim KUSCHNEROV, Mahdi MEZGHANNI, Antonio NAPOLI, Bernhard SPINNLER
  • Patent number: 10313049
    Abstract: The present invention relates to signal processing in an optical receiver, in particular to equalization performed in coherent optical receivers. A multiple-input multiple-output (MIMO) equalizer receives and equalizes a plurality of real value signals, for example four sampled electrical baseband tributaries (HI, HQ, VI, VQ). The outputs of the multiple-input multiple-output (MIMO) equalizer provide equalized real or imaginary components of complex signals. The complex signals including the real and imaginary components are then each and individually equalized to remove chromatic dispersion.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: June 4, 2019
    Assignee: Xieon Networks S.à.r.l.
    Inventors: Stefano Calabro, Bernhard Spinnler
  • Patent number: 10263708
    Abstract: Disclosed herein is a dual parallel Mach-Zehnder-modulator (DPMZM) device comprising a DPMZM 10 having first and second inner MZMs arranged parallel to each other. The first inner MZM generates an in-phase component EI of an optical signal in response to a first driving voltage VI, and the second inner MZM generates a quadrature component EQ of said optical signal in response to a second driving voltage VQ. Further disclosed is a calculation unit 52 configured for receiving an in-phase component yI and a quadrature component yQ_ of a desired base-band signal, and for calculating pre-distorted first and second driving voltages VI, VQ. The calculation of the pre-distorted first and second driving voltages VI, VQ is based on a model of said DPMZM 10 accounting for I-Q cross-talk, and using an algorithm that determines said first and second driving voltages VI, VQ each as a function of both of said in-phase and quadrature components yI, yQ of said base-band signal.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: April 16, 2019
    Assignee: Xieon Networks S.à.r.l.
    Inventors: Alessandro Bianciotto, Stefano Calabro, Maxim Kuschnerov, Mahdi Mezghanni, Antonio Napoli, Bernhard Spinnler
  • Patent number: 10256841
    Abstract: An encoder encodes digital data, said encoder includes one or more component encoders, one or more interconnections between component encoders, one or more inputs and one or more outputs. The encoder is configured to carry out the following steps: combining internal input bits received via an interconnection and external input bits received via a corresponding input, to assemble a local information word, encoding the local information word such as to generate a local code word, outputting a reduced local code word and handling the same reduced local code word over to the interconnect for forwarding the same reduced local code word to another component encoder or to itself, wherein the encoder is configured to forward on each interconnect the bits of the reduced local code in parallel but with delays that are mutually different for at least a subset of the reduced local code word bits.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: April 9, 2019
    Assignee: Xieon Networks S.à.r.l.
    Inventors: Heinrich Von Kirchbauer, Stephan Witte, Stefano Calabro, Bernhard Spinnler
  • Publication number: 20190081726
    Abstract: Disclosed is a receiver for receiving an optical signal comprising a plurality of carriers within a predetermined frequency band. The receiver comprises means for sampling and converting each of the carriers into a set of corresponding digital signals, and a digital processing unit for processing said digital signals of said set of digital signals such as to mitigate transmission impairments of the corresponding optical carriers based on corresponding processing parameters. The digital processing unit is configured for determining such processing parameters by carrying out a corresponding parameter derivation procedure based on one of the digital signals of said set of digital signals. The processing unit is configured for sharing thus determined processing parameters for processing of other digital signals among said set of digital signals based on said shared determined processing parameters, or processing parameters derived from said shared determined processing parameters.
    Type: Application
    Filed: March 14, 2017
    Publication date: March 14, 2019
    Inventors: Danish RAFIQUE, Bernhard SPINNLER
  • Patent number: 10181904
    Abstract: The present invention relates to performing chromatic dispersion estimation in a receiver of an optical communication system. Here, the signal received by the receiver includes frames, each comprising a training portion and a data portion. The training portion comprises a plurality of identical pattern sequences. Different settings are applied to an equalizer to generate a plurality of equalized signals from at least one of the received frames. Then, at least one correlation value is calculated between a first pattern sequence and a second pattern sequence of the equalized signals and a final correlation value is derived from the respective correlation values. The setting of the equalizer corresponding to the equalized signal providing the highest final correlation value is selected to provide the chromatic dispersion estimation.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: January 15, 2019
    Assignee: XIEON NETWORKS S.A.R.L.
    Inventors: Miguel Drummond, Bernhard Spinnler, Stefano Calabro
  • Patent number: 10038516
    Abstract: Disclosed herein is a modulator (50) for polarization-division multiplexing (PDM) transmission. The modulator (50) comprises first and second DP-MZMs (12, 28) associated with first and second polarizations, each DP-MZM (12, 28) having an input for an in-phase and a quadrature driving signal for modulating the in-phase and quadrature components of an optical signal according to respective transfer functions, and a detector (58) suitable for detecting light comprising at least a portion of the light outputted by the first DP-MZM (12) and a portion of the light outputted by the second DP-MZM (28). The modulator (50) is adapted to superimpose a first pilot signal on one of the in-phase and quadrature driving signals of the first DP-MZM (12) and on one of the in-phase and quadrature driving signals of the second DP-MZM (28), and a second pilot signal on the respective other of the in-phase and quadrature driving signals of the first and second DP-MZMs (12, 28).
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: July 31, 2018
    Assignee: Xieon Networks S.a.r.l.
    Inventors: Stefano Calabro, Bernhard Spinnler
  • Publication number: 20180159652
    Abstract: The present invention relates to signal processing in an optical receiver, in particular to equalization performed in coherent optical receivers. A multiple-input multiple-output (MIMO) equalizer receives and equalizes a plurality of real value signals, for example four sampled electrical baseband tributaries (HI, HQ, VI, VQ). The outputs of the multiple-input multiple-output (MIMO) equalizer provide equalized real or imaginary components of complex signals. The complex signals including the real and imaginary components are then each and individually equalized to remove chromatic dispersion.
    Type: Application
    Filed: June 29, 2016
    Publication date: June 7, 2018
    Inventors: Stefano CALABRO, Bernhard SPINNLER
  • Patent number: 9871615
    Abstract: Component signal values are derived from component signals and fed to at least one fixed equalizer which generates equalizer output signals. The signals are fed to phase error detectors generating phase error signals. The phase error signals are combined with further phase error signals derived by further error detectors receiving signal values from further equalizers and/or the component signal values directly from sample units.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: January 16, 2018
    Assignee: Xieon Networks S.a.r.l.
    Inventors: Alessandro Bianciotto, Bernhard Spinnler, Antonio Napoli, Christina Hebebrand
  • Patent number: 9832055
    Abstract: The invention describes a method and an arrangement for transmitting an optical transmission signal with reduced polarization-dependent loss. A first transmission signal component and a second orthogonal transmission signal component of the optical transmission signal are transmitted with a time difference between said transmission signal components.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: November 28, 2017
    Assignee: Xieon Networks S.a.r.l.
    Inventors: Maxim Kuschnerov, Bernhard Spinnler, Berthold Lankl, Antonio Napoli
  • Publication number: 20170324429
    Abstract: Disclosed herein is an encoder for encoding digital data, said encoder comprising one or more component encoders, one or more interconnections between component encoders, one or more inputs and one or more outputs. The encoder is configured to carry out the following steps:—combining internal input bits received via an interconnection and external input bits received via a corresponding input, to assemble a local information word,—encoding the local information word such as to generate a local code word,—outputting a reduced local code word and handing the same reduced local code word over to said interconnect for forwarding said same reduced local code word via said interconnect to another component encoder or to itself, wherein said encoder is configured to forward on each interconnect the bits of the reduced local code in parallel but with delays that are mutually different for at least a subset of the reduced local code word bits.
    Type: Application
    Filed: December 18, 2015
    Publication date: November 9, 2017
    Inventors: Heinrich VON KIRCHBAUER, Stephan WITTE, Stefano CALABRO, Bernhard SPINNLER
  • Publication number: 20170279531
    Abstract: The present invention relates to performing chromatic dispersion estimation in a receiver of an optical communication system. Here, the signal received by the receiver includes frames, each comprising a training portion and a data portion. The training portion comprises a plurality of identical pattern sequences. Different settings are applied to an equalizer to generate a plurality of equalized signals from at least one of the received frames. Then, at least one correlation value is calculated between a first pattern sequence and a second pattern sequence of the equalized signals and a final correlation value is derived from the respective correlation values. The setting of the equalizer corresponding to the equalized signal providing the highest final correlation value is selected to provide the chromatic dispersion estimation.
    Type: Application
    Filed: July 9, 2015
    Publication date: September 28, 2017
    Inventors: Miguel DRUMMOND, Bernhard SPINNLER, Stefano CALABRO
  • Publication number: 20170264389
    Abstract: Disclosed herein is a modulator (50) for polarization-division multiplexing (PDM) transmission. The modulator (50) comprises first and second DP-MZMs (12, 28) associated with first and second polarizations, each DP-MZM (12, 28) having an input for an in-phase and a quadrature driving signal for modulating the in-phase and quadrature components of an optical signal according to respective transfer functions, and a detector (58) suitable for detecting light comprising at least a portion of the light outputted by the first DP-MZM (12) and a portion of the light outputted by the second DP-MZM (28). The modulator (50) is adapted to superimpose a first pilot signal on one of the in-phase and quadrature driving signals of the first DP-MZM (12) and on one of the in-phase and quadrature driving signals of the second DP-MZM (28), and a second pilot signal on the respective other of the in-phase and quadrature driving signals of the first and second DP-MZMs (12, 28).
    Type: Application
    Filed: December 2, 2015
    Publication date: September 14, 2017
    Inventors: Stefano CALABRO, Bernhard SPINNLER
  • Patent number: 9584250
    Abstract: A received POLMUX signal is rotated by fixed rotation parameters (Rot0, Rot1, Rot2) and the rotated POLMUX signal with optimal signal performance is selected and phase information is derived from both polarities. A pre-filter improves the timing accuracy.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: February 28, 2017
    Assignee: Xieon Networks S.a.r.l.
    Inventors: Stefano Calabro, Christina Hebebrand, Werner Rosenkranz, Bernhard Spinnler
  • Publication number: 20170054511
    Abstract: Disclosed herein is a dual parallel Mach-Zehnder-modulator (DPMZM) device comprising a DPMZM 10 having first and second inner MZMs arranged parallel to each other. The first inner MZM generates an in-phase component EI of an optical signal in response to a first driving voltage VI, and the second inner MZM generates a quadrature component EQ of said optical signal in response to a second driving voltage VQ. Further disclosed is a calculation unit 52 configured for receiving an in-phase component yI and a quadrature component yQ_ of a desired base-band signal, and for calculating pre-distorted first and second driving voltages VI, VQ. The calculation of the pre-distorted first and second driving voltages VI, VQ is based on a model of said DPMZM 10 accounting for I-Q cross-talk, and using an algorithm that determines said first and second driving voltages VI, VQ each as a function of both of said in-phase and quadrature components yI, yQ of said base-band signal.
    Type: Application
    Filed: March 12, 2015
    Publication date: February 23, 2017
    Inventors: Alessandro BIANCIOTTO, Stefano CALABRO, Maxim KUSCHNEROV, Mahdi MEZGHANNI, Antonio NAPOLI, Bernhard SPINNLER
  • Publication number: 20170019206
    Abstract: Component signal values are derived from component signals and fed to at least one fixed equalizer which generates equalizer output signals. The signals are fed to phase error detectors generating phase error signals. The phase error signals are combined with further phase error signals derived by further error detectors receiving signal values from further equalizers and/or the component signal values directly from sample units.
    Type: Application
    Filed: September 28, 2016
    Publication date: January 19, 2017
    Inventors: Alessandro BIANCIOTTO, Bernhard SPINNLER, Antonio NAPOLI, Christina HEBEBRAND
  • Patent number: 9467246
    Abstract: Component signal values are derived from component signals and fed to at least one fixed equalizer which generates equalizer output signals. The signals are fed to phase error detectors generating phase error signals. The phase error signals are combined with further phase error signals derived by further error detectors receiving signal values from further equalizers and/or the component signal values directly from sample units.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: October 11, 2016
    Assignee: Xieon Networks S.a.r.l.
    Inventors: Alessandro Bianciotto, Bernhard Spinnler, Antonio Napoli, Christina Hebebrand
  • Patent number: 9436209
    Abstract: A method for phase recovery in a system that includes a clock recovery unit and an estimation unit. The clock recovery unit of the system has a first phase detector unit. The estimation unit has a second phase detector unit and it is configured to estimate a gain of the second phase detector unit. The estimation unit and the clock recovery unit are configured to operate in parallel.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: September 6, 2016
    Assignee: Xieon Networks S.a.r.l.
    Inventors: Bernhard Spinnler, Christina Hebebrand, Stefano Calabro
  • Publication number: 20160127047
    Abstract: A method and device is provided for reducing optical transmission impairments, particularly nonlinear effects, of at least one link Said method comprising the following steps: extracting a phase information (??) from an optical signal (120) received via that at least one link, determining a nonlinear coefficient (?), associated with the at least one link, based on the phase information (??), applying a control mechanism (202) using the nonlinear coefficient (?). Furthermore, a communication system is suggested comprising said device.
    Type: Application
    Filed: May 12, 2014
    Publication date: May 5, 2016
    Applicant: XIEON NETWORKS S.A.R.L.
    Inventors: Antonio NAPOLI, Chien-Yu LIN, Bernhard SPINNLER, Vincentius Antonius Johannes Mar SLEIFFER