Patents by Inventor Benedikt Simper
Benedikt Simper 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: 11936108Abstract: An RCS reduction surface for reducing a radar cross section of an object is described. The RCS reduction surface comprises at least one absorber portion, wherein the absorber portion is configured to absorb radar waves. The RCS reduction surface further comprises at least one reflecting portion, wherein the reflecting portion is configured to reflect radar waves. A first plane being associated with a top surface of the absorber portion and a second plane being associated with a top surface of the reflecting portion are spaced from each other by a predefined distance. The predefined distance is configured such that radar waves with a predefined wavelength range that are reflected at the absorber portion and at the surface of the reflecting portion interfere destructively with each other. Further, an RCS reduction member and a radar test system are described.Type: GrantFiled: June 23, 2021Date of Patent: March 19, 2024Assignee: Rohde & Schwarz GmbH & Co. KGInventors: Gerhard Hamberger, Steffen Neidhardt, Frank Gumbmann, Maximilian Bogner, Benedikt Simper, Matthias Beer
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Patent number: 11914070Abstract: A radar target simulator front end, configured to simulate at least one radar target for testing a radar device under test is provided. The radar target simulator front end comprises at least two antenna units, arranged along a first angle under investigation. The at least two antenna units are configured to be selectively activated and deactivated. Whereby each antenna unit of the at least two antenna units generates a simulated radar target along the first angle under investigation, when activated.Type: GrantFiled: May 29, 2020Date of Patent: February 27, 2024Assignee: Rohde & Schwarz GmbH & Co. KGInventors: Gerhard Hamberger, Matthias Beer, Steffen Neidhardt, Maximilian Bogner, Benedikt Simper
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Publication number: 20230341533Abstract: A LiDAR test system for testing a LiDAR device under test is described. The LiDAR test system includes an optical module and a target simulator. The LiDAR device under test has a predetermined field of view. The optical module is configured to redirect a LiDAR signal emitted by the LiDAR device under test from a predetermined portion of the field of view to the target simulator, wherein the predetermined portion is adaptable. The target simulator includes a receiver configured to receive the LiDAR signal redirected by the optical module. The target simulator includes a manipulation unit configured to manipulate the received LiDAR signal, thereby generating a manipulated LiDAR signal. The target simulator further includes an emitter configured to emit the manipulated LiDAR signal.Type: ApplicationFiled: February 24, 2023Publication date: October 26, 2023Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Marius Brinkmann, Benedikt Simper, Gerhard Hamberger, Gerald Zahlheimer
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Patent number: 11784718Abstract: A system for creating an adjustable delay in an optical signal. The system has an input interface for receiving an optical input signal. The system has a first optical modulator configured to shift the frequency of the optical input signal depending on a setting of the first optical modulator, thereby generating a modulated optical signal. The system includes at least two frequency selective reflectors configured to reflect the modulated optical signal, thereby providing a reflected signal. The system has a control circuit that adapts the setting of the first optical modulator such that a frequency shift of the optical input signal introduced by the first optical modulator is set by the control circuit. The frequency shift introduced by the first optical modulator corresponds to an operational frequency of one of the at least two frequency selective reflectors associated with the setting of the first optical modulator.Type: GrantFiled: October 12, 2022Date of Patent: October 10, 2023Assignee: Rohde & Schwarz GmbH & Co. KGInventors: Benedikt Simper, Martin Vossiek, Christian Carlowitz, Peter Tschapek
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Publication number: 20230305107Abstract: The invention relates to a radar test system (10) for testing a device-under-test, DUT (11), comprising an antenna array (13), wherein the antenna array (13) comprises: at least two RX antennas (RX1-4) having a different antenna polarization and at least one TX antenna (TX1-4), or at least two TX antennas (TX1-4) having a different antenna polarization and at least one RX antenna (RX1-4). The radar test system (10) further comprises a selection module (15) configured to select one RX antenna and one TX antenna of the antenna array (13) and to connect the selected RX antenna with the selected TX antenna, wherein the selected RX antenna is configured to receive a radar signal from the DUT (11), and wherein the selected TX antenna is configured to transmit a response signal to the DUT (11).Type: ApplicationFiled: December 28, 2022Publication date: September 28, 2023Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Gerhard HAMBERGER, Matthias BEER, Steffen NEIDHARDT, Maximilian BOGNER, Benedikt SIMPER, Marius BRINKMANN
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Publication number: 20230057336Abstract: A LIDAR target simulation system for testing a LIDAR device is described. The LIDAR target simulation system includes a scenario generation circuit, a pattern detection circuit, a LIDAR simulation circuit, and a signal response generator circuit. The scenario generation circuit is configured to generate a test scenario for testing the LIDAR device. The pattern detection circuit is configured to receive at least one scan signal generated by the LIDAR device to be tested. The pattern detection circuit further is configured to determine at least one characteristic parameter of the received scan signal. The LIDAR simulation circuit is configured to simulate at least one current and/or future scan signal of the LIDAR device based on the at least one characteristic parameter. The signal response generator circuit is configured to generate a response signal to be received by the LIDAR device based on the at least one simulated scan signal of the LIDAR device and based on the test scenario.Type: ApplicationFiled: July 15, 2022Publication date: February 23, 2023Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Benedikt Simper, Martin Vossiek, Georg Körner, Christian Carlowitz, Christoph Birkenhauer, Peter Tschapek
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Publication number: 20230036960Abstract: A system for creating an adjustable delay in an optical signal. The system has an input interface for receiving an optical input signal. The system has a first optical modulator configured to shift the frequency of the optical input signal depending on a setting of the first optical modulator, thereby generating a modulated optical signal. The system includes at least two frequency selective reflectors configured to reflect the modulated optical signal, thereby providing a reflected signal. The system has a control circuit that adapts the setting of the first optical modulator such that a frequency shift of the optical input signal introduced by the first optical modulator is set by the control circuit. The frequency shift introduced by the first optical modulator corresponds to an operational frequency of one of the at least two frequency selective reflectors associated with the setting of the first optical modulator.Type: ApplicationFiled: October 12, 2022Publication date: February 2, 2023Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Benedikt Simper, Martin Vossiek, Christian Carlowitz, Peter Tschapek
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Patent number: 11502755Abstract: A system for creating an adjustable delay in an optical signal. The system has an input interface for receiving an optical input signal. The system has a first optical modulator configured to shift the frequency of the optical input signal depending on a setting of the first optical modulator, thereby generating a modulated optical signal. The system includes at least two frequency selective reflectors configured to reflect the modulated optical signal, thereby providing a reflected signal. The system has a control circuit that adapts the setting of the first optical modulator such that a frequency shift of the optical input signal introduced by the first optical modulator is set by the control circuit. The frequency shift introduced by the first optical modulator corresponds to an operational frequency of one of the at least two frequency selective reflectors associated with the setting of the first optical modulator.Type: GrantFiled: March 26, 2021Date of Patent: November 15, 2022Assignee: Rohde & Schwarz GmbH & Co. KGInventors: Benedikt Simper, Martin Vossiek, Christian Carlowitz, Peter Tschapek
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Publication number: 20220311518Abstract: A system for creating an adjustable delay in an optical signal. The system has an input interface for receiving an optical input signal. The system has a first optical modulator configured to shift the frequency of the optical input signal depending on a setting of the first optical modulator, thereby generating a modulated optical signal. The system includes at least two frequency selective reflectors configured to reflect the modulated optical signal, thereby providing a reflected signal. The system has a control circuit that adapts the setting of the first optical modulator such that a frequency shift of the optical input signal introduced by the first optical modulator is set by the control circuit. The frequency shift introduced by the first optical modulator corresponds to an operational frequency of one of the at least two frequency selective reflectors associated with the setting of the first optical modulator.Type: ApplicationFiled: March 26, 2021Publication date: September 29, 2022Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Benedikt Simper, Martin Vossiek, Christian Carlowitz, Peter Tschapek
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Patent number: 11442158Abstract: A multiple input multiple output imaging array for incident angle resolved images with respect to a device under test is provided. The multiple input multiple output imaging array comprises a redundant array of transmit and receive antennas and a controller. In this context, the controller is configured to implement a selection scheme, wherein the selection scheme selects the respective transmit and receive antenna pairs used to create the corresponding image.Type: GrantFiled: August 1, 2019Date of Patent: September 13, 2022Assignee: ROHDE & SCHWARZ GMBH & CO. KGInventors: Tobias Koeppel, Frank Gumbmann, Benedikt Simper, Andreas Schiessl
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Patent number: 11378678Abstract: A method for determining the three-dimensional alignment of components of a radar system is described. The radar system is provided that comprises at least one portion which is permeable by radar signals. The radar system is imaged by using millimeter waves emitted by an imaging system. In the image obtained, it is determined the highest magnitude reflection coinciding with at least one of an expected location and an expected distance of the surface of a first component of the radar system being of interest. At least one of the position and the distance of that surface is determined. From the measurement, the relative phase information received from each portion of that surface at the determined position and/or the determined distance is obtained. Processing the phase information obtained so as to obtain the azimuth and tilt of the surface. Further, a testing system is described.Type: GrantFiled: August 6, 2019Date of Patent: July 5, 2022Assignee: Rohde & Schwarz GmbH & Co. KGInventors: Steffen Neidhardt, Frank Gumbmann, Sherif Sayed Ahmed, Benedikt Simper
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Publication number: 20220107389Abstract: A radar target simulator with no lower target distance limitation and continuous distance emulation is provided. Said radar target simulator comprises a receiving unit configured to receive a radar signal from a radar under test and to provide a corresponding receive signal, and a ramp slope estimating unit. In this context, the ramp slope estimating unit is configured to track the ramp slope of the radar under test on the basis of the receive signal.Type: ApplicationFiled: October 26, 2020Publication date: April 7, 2022Inventors: Christoph BIRKENHAUER, Gerhard HAMBERGER, Matthias BEER, Maximilian BOGNER, Steffen NEIDHARDT, Benedikt SIMPER, Marius BRINKMANN, Christian CARLOWITZ, Patrick STIEF, Georg Körner
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Publication number: 20220099824Abstract: A radar target simulation system for simulating at least one radar target is disclosed. The radar target simulation system includes a processing circuit and an antenna array that is connected with the processing circuit. The antenna array is configured to receive a radar signal from a device under test, thereby generating an input signal. The processing circuit is configured to receive the input signal generated by the antenna array. The processing circuit is configured to simulate the at least one radar target based on the input signal. The processing circuit further is configured to simulate at least one additional event, wherein the at least one additional event is associated with at least one of the at least one radar target and an environment of the at least one radar target. The processing circuit is configured to generate an output signal for the antenna array based on the simulation of the at least one radar target and based on the simulation of the at least one additional event.Type: ApplicationFiled: September 25, 2020Publication date: March 31, 2022Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Matthias Beer, Steffen Neidhardt, Maximilian Bogner, Benedikt Simper, Gerhard Hamberger
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Publication number: 20220082695Abstract: An imaging system for material characterization of a sample is provided. Said imaging system comprises at least two imaging arrays configured to form at least one imaging array pair. In this context, the imaging system is configured to perform at least one reflection measurement with the aid of at least one imaging array. Furthermore, the imaging system is configured to perform at least one transmission measurement with the aid of the at least one imaging array pair. In addition to this, the imaging system is configured to determine material characteristics of the sample on the basis of the at least one reflection measurement and/or the at least one transmission measurement.Type: ApplicationFiled: October 8, 2020Publication date: March 17, 2022Inventors: Frank GUMBMANN, Benedikt SIMPER, Gerhard HAMBERGER, Andreas VON LOESECKE, Matthias BEER
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Publication number: 20220037797Abstract: An RCS reduction surface for reducing a radar cross section of an object is described. The RCS reduction surface comprises at least one absorber portion, wherein the absorber portion is configured to absorb radar waves. The RCS reduction surface further comprises at least one reflecting portion, wherein the reflecting portion is configured to reflect radar waves. A first plane being associated with a top surface of the absorber portion and a second plane being associated with a top surface of the reflecting portion are spaced from each other by a predefined distance. The predefined distance is configured such that radar waves with a predefined wavelength range that are reflected at the absorber portion and at the surface of the reflecting portion interfere destructively with each other.Type: ApplicationFiled: June 23, 2021Publication date: February 3, 2022Inventors: Gerhard Hamberger, Steffen Neidhardt, Frank Gumbmann, Maximilian BOGNER, Benedikt Simper, Matthias Beer
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Publication number: 20220003852Abstract: A LIDAR target simulator for testing a LIDAR device is described. The LIDAR target simulator includes a screen, a light impinging determination module, a control and/or analysis circuit and a response generation module. The light impinging determination module is configured to determine the location of impinging light on the screen and to forward information concerning the location determined to the control and/or analysis circuit. The control and/or analysis circuit is configured to process the information concerning the location determined by the light impinging determination module and to determine a response based on a target scenario applied. The control and/or analysis circuit is further configured to control the response generation module in accordance with the response determined. The response generation module is configured to generate a diffuse response signal to be received by the LIDAR device. Further, a LIDAR testing system and a method of testing a LIDAR device are described.Type: ApplicationFiled: July 2, 2021Publication date: January 6, 2022Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Steffen Neidhardt, Matthias Beer, Maximilian Bogner, Benedikt Simper, Gerhard Hamberger
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Publication number: 20210373122Abstract: A radar target simulator front end, configured to simulate at least one radar target for testing a radar device under test is provided. The radar target simulator front end comprises at least two antenna units, arranged along a first angle under investigation. The at least two antenna units are configured to be selectively activated and deactivated. Whereby each antenna unit of the at least two antenna units generates a simulated radar target along the first angle under investigation, when activated.Type: ApplicationFiled: May 29, 2020Publication date: December 2, 2021Inventors: Gerhard HAMBERGER, Matthias BEER, Steffen NEIDHARDT, Maximilian BOGNER, Benedikt SIMPER
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Publication number: 20210033717Abstract: A multiple input multiple output imaging array for incident angle resolved images with respect to a device under test is provided. The multiple input multiple output imaging array comprises a redundant array of transmit and receive antennas and a controller. In this context, the controller is configured to implement a selection scheme, wherein the selection scheme selects the respective transmit and receive antenna pairs used to create the corresponding image.Type: ApplicationFiled: August 1, 2019Publication date: February 4, 2021Inventors: Tobias KOEPPEL, Frank GUMBMANN, Benedikt SIMPER, Andreas SCHIESSL
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Publication number: 20200049814Abstract: A method for determining the three-dimensional alignment of components of a radar system is described. The radar system is provided that comprises at least one portion which is permeable by radar signals. The radar system is imaged by using millimeter waves emitted by an imaging system. In the image obtained, it is determined the highest magnitude reflection coinciding with at least one of an expected location and an expected distance of the surface of a first component of the radar system being of interest. At least one of the position and the distance of that surface is determined. From the measurement, the relative phase information received from each portion of that surface at the determined position and/or the determined distance is obtained. Processing the phase information obtained so as to obtain the azimuth and tilt of the surface. Further, a testing system is described.Type: ApplicationFiled: August 6, 2019Publication date: February 13, 2020Applicant: Rohde & Schwarz GmbH & Co. KGInventors: Steffen Neidhardt, Frank Gumbmann, Sherif Sayed Ahmed, Benedikt Simper