Patents by Inventor Bernhard Sogl
Bernhard Sogl 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).
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Patent number: 10439744Abstract: The present disclosure relates to an apparatus for a wireless communication system The apparatus comprises transmitter circuitry configured to generate a transmit signal on an assigned radio channel, and transmitter feedback receiver circuitry coupled to the transmitter circuitry and configured to estimate an amount of transmit signal power that leaks into adjacent radio channels based on a fed back version of the transmit signal.Type: GrantFiled: November 14, 2017Date of Patent: October 8, 2019Assignee: Intel IP CorporationInventors: Jianqiang Rao, Zhibin Yu, Bernhard Sogl
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Publication number: 20190200270Abstract: The present disclosure relates to a user equipment (200) for a wireless communication system. The user equipment comprises a transmitter (210) configured to generate a transmit signal (220), a transmitter feedback receiver (230) coupled to the transmitter and configured to measure a power of the transmit signal in a first mode of operation, and control circuitry (240) configured to select a second mode of operation of the transmitter feedback receiver, in which the transmitter feedback receiver (230) is configured to measure one or more neighboring inter-frequency or inter-RAT base stations.Type: ApplicationFiled: August 1, 2017Publication date: June 27, 2019Inventors: Zhibin YU, Bernhard SOGL, Markus Dominik MUECK, Biljana BADIC
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Publication number: 20180175949Abstract: The present disclosure relates to an apparatus for a wireless communication system. The apparatus comprises transmitter circuitry configured to generate a transmit signal on an assigned radio channel, and transmitter feedback receiver circuitry coupled to the transmitter circuitry and configured to estimate an amount of transmit signal power that leaks into adjacent radio channels based on a fed back version of the transmit signal.Type: ApplicationFiled: November 14, 2017Publication date: June 21, 2018Inventors: Jianqiang Rao, Zhibin Yu, Bernhard Sogl
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Patent number: 9954626Abstract: A method of calibrating parameters for a polar transmitter (Polar TX) system includes receiving phase information derived from transmission information in a Polar TX for producing a radio frequency (RF) broadcast signal. An Inphase local oscillator (LO_I) signal and a quadrature phase local oscillator (LO_Q) signal are derived from a combination of a first signal and the phase information using a digital phase lock loop. A feedback receiver (FBR) receives the RF broadcast signal provided by the Polar TX. The LO_I signal and the LO_Q signal are mixed with the RF broadcast signal to obtain mixer output signals. RF path delay and IQ phase imbalance are concurrently determined as a function of the first signal and of the mixer output signals.Type: GrantFiled: August 8, 2016Date of Patent: April 24, 2018Assignee: Intel IP CorporationInventors: Alexander Belitzer, Bernhard Sogl
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Patent number: 9806929Abstract: Various embodiments include a power amplifier with crest factor reduction embodied by first circuitry for producing a correlated out-of-band noise signal for controlling the adjacent channel leakage ratio (ACLR) of a communication device; and second circuitry for providing an output signal for controlling the error vector magnitude (EVM) of a digital radio. The ACLR and the EVM are concurrently individually controllable. Additional apparatus is described.Type: GrantFiled: December 12, 2014Date of Patent: October 31, 2017Assignee: Intel IP CorporationInventors: Alessio Farabegoli, Bernhard Sogl, Jan-Erik Mueller
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Patent number: 9568521Abstract: A distortion estimation apparatus for estimating distortion includes a feedback element, a nonlinearity determiner, and a distortion simulator. The feedback element provides a feedback signal derived from a distorted output signal of the distorting element. A signal processing quality of the feedback element is lower than an associated signal property of the distorted output signal. The nonlinearity determiner receives the feedback signal and an input signal to the distorting element or a signal derived from the input signal. The nonlinearity determiner determines an estimated transmission characteristic of the distorting element by relating signal properties of the feedback signal and the input signal or the signal derived from the input signal. The distortion simulator estimates the distortion caused by the distorting element based on the input signal or the signal derived from the input signal and the estimated transmission characteristic.Type: GrantFiled: April 2, 2015Date of Patent: February 14, 2017Assignee: Intel Deutschland GmbHInventors: Bernhard Sogl, Alexander Belitzer, Andrea Camuffo, Jan-Erik Mueller
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Publication number: 20160352439Abstract: A method of calibrating parameters for a polar transmitter (Polar TX) system includes receiving phase information derived from transmission information in a Polar TX for producing a radio frequency (RF) broadcast signal. An Inphase local oscillator (LO_I) signal and a quadrature phase local oscillator (LO_Q) signal are derived from a combination of a first signal and the phase information using a digital phase lock loop. A feedback receiver (FBR) receives the RF broadcast signal provided by the Polar TX. The LO_I signal and the LO_Q signal are mixed with the RF broadcast signal to obtain mixer output signals. RF path delay and IQ phase imbalance are concurrently determined as a function of the first signal and of the mixer output signals.Type: ApplicationFiled: August 8, 2016Publication date: December 1, 2016Inventors: Alexander Belitzer, Bernhard Sogl
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Patent number: 9413583Abstract: A method of calibrating parameters for a polar transmitter (Polar TX) system includes receiving phase information derived from transmission information in a Polar TX for producing a radio frequency (RF) broadcast signal. An Inphase local oscillator (LO_I) signal and a quadrature phase local oscillator (LO_Q) signal are derived from a combination of a first signal and the phase information using a digital phase lock loop. A feedback receiver (FBR) receives the RF broadcast signal provided by the Polar TX. The LO_I signal and the LO_Q signal are mixed with the RF broadcast signal to obtain mixer output signals. RF path delay and IQ phase imbalance are concurrently determined as a function of the first signal and of the mixer output signals.Type: GrantFiled: December 18, 2014Date of Patent: August 9, 2016Assignee: Intel IP CorporationInventors: Alexander Belitzer, Bernhard Sogl
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Patent number: 9413299Abstract: A communication system utilizing adaptive envelope tracking includes a transmit path, a feedback receiver, a parameter component and an envelope tracking component. The transmit path is configured to generate a transmit signal. The feedback receiver is configured to generate a feedback signal from the transmit signal. The parameter component is configured to generate linearity parameters from the feedback signal and the baseband signal. The envelope tracking component is configured to generate a supply control signal having time delay adjustments.Type: GrantFiled: September 1, 2015Date of Patent: August 9, 2016Assignee: Intel Deutschland GmbHInventors: Andrea Camuffo, Alexander Belitzer, Bernhard Sogl
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Publication number: 20160182162Abstract: A method of calibrating parameters for a polar transmitter (Polar TX) system includes receiving phase information derived from transmission information in a Polar TX for producing a radio frequency (RF) broadcast signal. An Inphase local oscillator (LO_I) signal and a quadrature phase local oscillator (LO_Q) signal are derived from a combination of a first signal and the phase information using a digital phase lock loop. A feedback receiver (FBR) receives the RF broadcast signal provided by the Polar TX. The LO_I signal and the LO_Q signal are mixed with the RF broadcast signal to obtain mixer output signals. RF path delay and IQ phase imbalance are concurrently determined as a function of the first signal and of the mixer output signals.Type: ApplicationFiled: December 18, 2014Publication date: June 23, 2016Inventors: Alexander Belitzer, Bernhard Sogl
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Patent number: 9306507Abstract: A controller for controlling a signal processor includes a transformation unit and a control unit. The transformation unit is configured to generate at least one amplitude-modulation-to-phase-modulation-distortion within a signal, output by using the signal processor according to a signal processing, based on generated at least one amplitude-modulation-to-amplitude-modulation-distortion of the signal. The control unit is configured to adjust the signal processing of the signal processor so as to minimize the at least one amplitude-modulation-to-phase-modulation-distortion.Type: GrantFiled: July 12, 2013Date of Patent: April 5, 2016Assignee: Intel Deutschland GmbHInventors: Stefan Glock, Bernhard Sogl, Jan-Erik Mueller
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Publication number: 20150372647Abstract: A communication system utilizing adaptive envelope tracking includes a transmit path, a feedback receiver, a parameter component and an envelope tracking component. The transmit path is configured to generate a transmit signal. The feedback receiver is configured to generate a feedback signal from the transmit signal. The parameter component is configured to generate linearity parameters from the feedback signal and the baseband signal. The envelope tracking component is configured to generate a supply control signal having time delay adjustments.Type: ApplicationFiled: September 1, 2015Publication date: December 24, 2015Inventors: Andrea Camuffo, Alexander Belitzer, Bernhard Sogl
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Patent number: 9190959Abstract: A circuit for providing a bias signal for a power amplifier includes a first input, a second input and an output. The first input is configured to receive an input signal to be amplified by the power amplifier. The second input is configured to receive the amplified input signal. The output is configured to provide the bias signal.Type: GrantFiled: November 12, 2012Date of Patent: November 17, 2015Assignee: Intel Deutschland GmbHInventors: Andrea Camuffo, Alexander Belitzer, Bernhard Sogl
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Patent number: 9166830Abstract: A communication system utilizing adaptive envelope tracking includes a transmit path, a feedback receiver, a parameter component and an envelope tracking component. The transmit path is configured to generate a transmit signal. The feedback receiver is configured to generate a feedback signal from the transmit signal. The parameter component is configured to generate linearity parameters from the feedback signal and the baseband signal. The envelope tracking component is configured to generate a supply control signal having time delay adjustments.Type: GrantFiled: July 18, 2013Date of Patent: October 20, 2015Assignee: Intel Deutschland GmbHInventors: Andrea Camuffo, Alexander Belitzer, Bernhard Sogl
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Publication number: 20150276834Abstract: A distortion estimation apparatus for estimating distortion includes a feedback element, a nonlinearity determiner, and a distortion simulator. The feedback element provides a feedback signal derived from a distorted output signal of the distorting element. A signal processing quality of the feedback element is lower than an associated signal property of the distorted output signal. The nonlinearity determiner receives the feedback signal and an input signal to the distorting element or a signal derived from the input signal. The nonlinearity determiner determines an estimated transmission characteristic of the distorting element by relating signal properties of the feedback signal and the input signal or the signal derived from the input signal. The distortion simulator estimates the distortion caused by the distorting element based on the input signal or the signal derived from the input signal and the estimated transmission characteristic.Type: ApplicationFiled: April 2, 2015Publication date: October 1, 2015Inventors: Bernhard Sogl, Alexander Belitzer, Andrea Camuffo, Jan-Erik Mueller
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Patent number: 9026391Abstract: A distortion estimation apparatus for estimating distortion includes a feedback element, a nonlinearity determiner, and a distortion simulator. The feedback element provides a feedback signal derived from a distorted output signal of the distorting element. A signal processing quality of the feedback element is lower than an associated signal property of the distorted output signal. The nonlinearity determiner receives the feedback signal and an input signal to the distorting element or a signal derived from the input signal. The nonlinearity determiner determines an estimated transmission characteristic of the distorting element by relating signal properties of the feedback signal and the input signal or the signal derived from the input signal. The distortion simulator estimates the distortion caused by the distorting element based on the input signal or the signal derived from the input signal and the estimated transmission characteristic.Type: GrantFiled: February 29, 2012Date of Patent: May 5, 2015Assignee: Intel Mobile Commnications GmbHInventors: Bernhard Sogl, Alexander Belitzer, Andrea Camuffo, Jan-Erik Mueller
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Publication number: 20150023445Abstract: A communication system utilizing adaptive envelope tracking includes a transmit path, a feedback receiver, a parameter component and an envelope tracking component. The transmit path is configured to generate a transmit signal. The feedback receiver is configured to generate a feedback signal from the transmit signal. The parameter component is configured to generate linearity parameters from the feedback signal and the baseband signal. The envelope tracking component is configured to generate a supply control signal having time delay adjustments.Type: ApplicationFiled: July 18, 2013Publication date: January 22, 2015Inventors: Andrea Camuffo, Alexander Belitzer, Bernhard Sogl
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Publication number: 20150015327Abstract: A controller for controlling a signal processor includes a transformation unit and a control unit. The transformation unit is configured to generate at least one amplitude-modulation-to-phase-modulation-distortion within a signal, output by using the signal processor according to a signal processing, based on generated at least one amplitude-modulation-to-amplitude-modulation-distortion of the signal. The control unit is configured to adjust the signal processing of the signal processor so as to minimize the at least one amplitude-modulation-to-phase-modulation-distortion.Type: ApplicationFiled: July 12, 2013Publication date: January 15, 2015Inventors: Stefan Glock, Bernhard Sogl, Jan-Erik Mueller
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Patent number: 8912851Abstract: An apparatus for providing a linearity information associated with an amplifier includes an operating state determinator and an evaluator. The operating state determinator is configured to obtain information describing a gain of the amplifier for at least one bias condition of the amplifier. The evaluator is configured to obtain the linearity information based on both the information describing the gain of the amplifier and information about the at least one bias condition of the amplifier using a gain-bias characteristic of the amplifier. A bias circuit including the apparatus for providing the linearity information is also disclosed.Type: GrantFiled: December 30, 2010Date of Patent: December 16, 2014Assignee: Intel Mobile Communications GmbHInventors: Sandro Pinarello, Andrea Camuffo, Chi-Tao Goe, Nick Shute, Jan-Erik Mueller, Bernhard Sogl
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Patent number: 8908751Abstract: One embodiment of the present invention relates to a method and apparatus are provided herein for reducing the power consumption of a transmission chain while maintaining an acceptable figure of merit (e.g., linearity). In one embodiment, an adaptive biasing element is configured to perform adaptive biasing to reduce current consumption of a transmission chain by adjusting the operating point of one or more transmission chain elements (e.g., power amplifier, mixer, etc.). However, since adaptive biasing may reduce the linearity of a transmitted signal, its use is limited by the degradation of figure of merit caused by the introduced non-linearities. Accordingly, a pre-distortion element may be configured to perform adaptive digital pre-distortion (DPD) on a transmission chain input signal to account for non-linearities generated through the adaptive biasing, therefore allowing the adaptive biasing to further reduce the current consumption while maintaining an acceptable figure of merit.Type: GrantFiled: February 28, 2011Date of Patent: December 9, 2014Assignee: Intel Mobile Communications GmbHInventors: Andrea Camuffo, Chi-Tao Goe, Bernhard Sogl, Sandro Pinarello, Jan-Erik Mueller, Nick Shute