Rohde and Schwarz Gmbh & Co. Kg

Other

Rohde & Schwarz Gmbh Co. Kg

Rhode & Schwarz Gmbh & Co. Kg

Corbett Rowell

Adam Tankielun

Vincent Abadie

Hendrik Bartko

Benoit Derat

Daniel Markert

Stefan Ullrich

Christian Riedel

Christoph Pointner

Christoph Hausl

Markus Herbrig

Sebastian Schmitz

Andreas Lechner

Sherif Sayed Ahmed

Steffen Neidhardt

Johannes Steffens

Heinz Mellein

Niels Petrovic

Alexander Pabst

Mert Celik

Bledar Karajani

Adrian Cardalda-Garcia

Guido Apenburg

Constantin Sinn

Edwin Menzel

Otmar Wanierke

Andreas Raith

Jose Fortes

Thomas Rossberger

Henry Gropp

Fabricio Dourado

Ralf Meissner

Jens Wappler

Ramez Khoury

Axel Meier

Christian Ebner

Martin Kilger

Frédéric Pierre Denis Boulay

Joachim Stegmaier

Manuel Mielke

Andreas Uhrmann

Anes Belkacem

Werner Kehlenbach

Iratxe Fernandez Anton

Josef Schmoeller

Heiko Kuehling

Christoph Toben-Heiken

The present disclosure relates to a RF scanner system for mobile network testing. The scanner system comprises a switched directional antenna assembly, an RF receiver, and a positioning antenna assembly. The assembly includes several directional antennas oriented in different directions. The directional antennas are connected to at least one switch that is controlled by the RF receiver. The assembly is configured to receive a GNSS signal. The RF receiver is configured to receive the GNSS signal from the assembly. The RF receiver is configured to record information of the switching state of the switch. The RF receiver is configured to gather information of the position and/or bearing. The RF receiver is configured to combine the information of the switching state, a baseband signal and the information of the position and/or bearing, thereby generating output metadata. Further, a method of mobile network testing is described.

Radio frequency scanner system and method for mobile network testing

An antenna array being attachable to a surface is provided. Said antenna array comprises at least two antennas, and a magnetic material and/or an alloy with ferro-magnetic properties for magnetically attaching at least one further antenna.

Antenna array, antenna system and antenna kit, each being attachable to a surface

The present disclosure relates to a measurement system for testing an object, including an anechoic chamber assembly with a first chamber portion and a second chamber portion. An intermediate shared wall is located between the chamber portions that encompass a first space and a second space. The intermediate shared wall has a first surface orientated towards the first space and a second surface orientated towards the second space. The intermediate shared wall has an opening that provides a passage between the spaces. The surfaces include absorber material. Inner walls of the chamber portions comprise absorber material. The opening in the intermediate shared wall defines a mounting portion for the object. Further, a method of testing an object by using the measurement system is described.

Measurement system and method for testing an object

Disclosed is a method of manufacturing a reflector dish for a compact antenna test range, CATR, and a reflector dish being obtainable by the method. The method comprises providing a first workpiece having an axis of symmetry, and an unprocessed peripheral edge with respect to the axis of symmetry fitting within a maximum milling area of a milling device. The method further comprises milling a concave parabolic frontal surface into the first workpiece in accordance with the axis of symmetry. The method further comprises milling a peripheral surface into the first workpiece with respect to the axis of symmetry. The method further comprises providing four second workpieces. The method further comprises milling a frontal surface into the respective second workpiece. The method further comprises milling a peripheral surface into the respective second workpiece. The method further comprises merging the first workpiece and the second workpieces to form a rectangular main body, wherein the peripheral surfaces abut seamlessly with one another and the frontal surfaces merge seamlessly into one another.

Reflector dish and method of manufacturing the same

The present disclosure relates to a radio frequency (RF) measurement system and a method for recording baseband and positioning data. The RF measurement system includes at least one RF measurement device. The RF measurement device includes at least one RF chain and at least one data processing circuit connected to a memory device. The RF measurement device is configured to receive a global navigation satellite system (GNSS) signal. The GNSS signal is indicative of a position and/or a bearing. The RF measurement device is configured to receive at least one analog RF signal different of the GNSS signal. The RF measurement device is configured to convert the at least one analog RF signal into at least one baseband signal. The at least one data processing circuit is configured to store baseband data associated with the baseband signal and positioning data associated with the GNSS signal within the memory device.

Radio frequency measurement system and a method for recording baseband and positioning data

The present disclosure provides an over-the-air measurement system for testing a device under test. The over-the-air measurement system includes an orthomode transducer (OMT) assembly having several separately formed orthomode transducer components that form at least two orthomode transducers. The orthomode transducer assembly has at least two output interfaces for feed antennas. Each of the at least two output interfaces is connected with one dedicated orthomode transducer. Two input interfaces are associated with each of the orthomode transducers. Each of the input interfaces merge into a corresponding waveguide transition that ends up in the respective orthomode transducer that is associated with the corresponding input interface. The several orthomode transducer components are stacked together linearly.

Over-the-air measurement system

A test system for testing a device under test is provided including at least one feed antenna, a shielded chamber, and at least a first reflector and a second reflector. The test system is a compact antenna test range. The first reflector and the second reflector are arranged inside the shielded chamber. The first reflector is configured and arranged such that it redirects outgoing test signals emitted by the at least one feed antenna towards the second reflector and incoming test signals coming from the second reflector towards the at least one feed antenna. The device under test is arranged outside the shielded chamber. The shielded chamber includes at least a first interface associated with the device under test. The first interface and the feed antenna are located at different sides of the shielded chamber, which are perpendicular to each other.

Test system

An over-the-air test system for testing a device under test over-the-air is described. The over-the-air test system includes a reflector with a focal point, one center antenna and antenna elements. The center antenna is orientated towards the focal point of the reflector. The antenna elements are symmetrically located around the center antenna. An operational frequency range of the center antenna is different to an operational frequency range of the antenna elements. Further, a method of performing an over-the-air measurement of a device under test by using an over-the-air test system is described.

Over-the-air test system and method of performing an over-the-air measurement

Embodiments of the present disclosure provide an antenna assembly for a test system. The antenna assembly includes a feedthrough part, two waveguide inputs, a single waveguide output as well as a multiplexing part that is interconnected between the two waveguide inputs and the single waveguide output. The multiplexing part is integrated within the feedthrough part at least partially. Moreover, embodiments of the present disclosure provide a test system and a method of establishing a test system for testing a device under test.

Antenna assembly, test system and method of establishing a test system

An over-the-air (OTA) measurement system for testing a device under test, with a plurality of feed antennas, a test location for the device under test, and a reflector array with a main reflector and a sub-reflector. The plurality of feed antennas face the sub-reflector. The reflector array is located such that a signal path is established between the plurality of feed antennas and the test location via the sub-reflector and the main reflector. The sub-reflector has at least one focal point. The plurality of feed antennas include a first feed antenna and at least one second feed antenna. The first feed antenna is associated with the focal point of the sub-reflector. The at least one second feed antenna is located offset from the focal point of the sub-reflector. Further, a method of testing a device under test over-the-air is described.

Over-the-air measurement system and method of testing a device under test over-the-air

Measurement arrangement and method for measuring an electromagnetic field. It is for this purpose that a measurement probe is arranged on a mechanical probe positioning structure and moved along a number of one or more circular tracks. In this way, the measurement probe can be subsequently located at multiple different spatial positions and the corresponding electromagnetic signal can be measured. Accordingly, properties of an electromagnetic field can be determined by taking into account the measured electromagnetic signal with respect to the related spatial position.

Measurement arrangement and measurement method

A measurement system for testing a device under test is described, with at least two antennas, at least two reflectors, a signal generation and/or analysis equipment and a test location. Each of the antennas is assigned to a corresponding reflector. Each of the antennas is configured to transmit/receive an electromagnetic signal so that a beam path is provided between the respective antenna and the test location. The electromagnetic signal is reflected by the respective reflector so that the electromagnetic signal corresponds to a planar wave. The beam paths have different angular orientations that are adjustable. At least one antenna and the corresponding reflector are coupled with each other so that an integrated beam path adjustment unit is established including at least one antenna and the corresponding reflector. Further, a testing method is described.

Measurement system and method for testing a device under test

The present disclosure relates to a compact antenna test range (CATR) system. The CATR system comprises a measurement chamber, at least one feed antenna which is configured to transmit a radio frequency, RF, signal, at least one reflector which is arranged to reflect the RF signal towards a measurement area in the measurement chamber, and at least two preferably metallic calibration surfaces which can be arranged at two or more positions in the measurement area, wherein the calibration surfaces are configured to reflect a respective reflection of the RF signal back to the at least one reflector which is, in turn, configured to reflect the reflections of the RF signal back to the at least one feed antenna. The CATR system further comprises a measurement unit which is configured to receive the respective reflections of the RF signal and to determine and/or visualize a time difference between the reception of the respective reflections of the RF signal.

Compact antenna test range system and method for calibrating a compact antenna test range

The present disclosure provides an over-the-air measurement system for testing a device under test. The over-the-air measurement system includes a single measurement antenna and a rotary antenna positioner for the measurement antenna. The over-the-air measurement system further comprises a hardware trigger that is capable of triggering a measurement. The hardware trigger is associated with the rotary antenna positioner. The over-the-air measurement system comprises at least one rotary joint attached to the antenna positioner.

A measurement system for performing measurements. The measurement system includes a positioning system for positioning at least one device to be positioned. The positioning system includes at least two rotational positioner modules configured to perform a rotational movement, thereby rotating the device to be positioned, as well as at least one linear positioner module configured to perform a linear movement, thereby translationally moving the device to be positioned. The linear positioner module includes a mounting interface for the device to be positioned. The rotational positioner modules and the linear positioner module together are configured to move the device to be positioned from a starting point of the movement. The rotational positioner modules are configured to set the starting point. The linear positioner module is configured to move the mounting interface relative to the starting point.

Measurement system

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Munich, Germany

Corbett Rowell