Rohde and Schwarz Gmbh & Co. Kg

Nino Voss

Markus Gallhauser

Werner Perndl

Adam Tankielun

Christian Benisch

Gerd Hechtfischer

Georg Schnattinger

Guenter Koellner

Thomas Hartmann

Dr Werner Perndl

Dr Georg Schnattinger

Dr Adam Tankielun

A measurement system including a measurement device and at least a first probe unit and a second probe unit is disclosed. The first probe unit and the second probe unit are each connected to the measurement device in a signal transmitting manner. The measurement device includes a control circuit. The first probe unit includes an interface module being configured to receive a user input, to generate an input data signal based on the received user input, and to provide the input data signal to the control circuit. The control circuit is configured to generate and provide a control signal at least to the second probe unit based on the input data signal. At least the second probe unit is configured to adjust an operational parameter based on the control signal, wherein the operational parameter relates to a measurement parameter to be measured Moreover, a method for operating a measurement system is disclosed.

Measurement system and method of operating a measurement system

The present disclosure relates to an over-the-air test apparatus for testing a device under test over-the-air. The test apparatus includes an antenna that is connected with a radio frequency circuit having at least three ports. A first port of the radio frequency circuit is connected with a first path that includes a connector configured to connect a signal analyzer and/or a signal generator with the over-the-air test circuit. A second port of the radio frequency circuit is connected with a second path that encompasses a detector. The second path includes an interface configured to be connected with a power meter, a signal analyzer or a feedback interface of a signal generator. Further, a test system is described.

Over-the-air test module and test system

An antenna module for over-the-air testing, the antenna module comprises a signal generation module, a measurement module, and an antenna. The signal generation module comprises a control input. The measurement module comprises an analog output. The antenna is assigned to the measurement module and the signal generation module. The signal generation module comprises a signal generator and a control unit assigned to the control input. The control unit is configured to receive a control signal via the control input. The control unit is configured to process the control signal received via the control input, thereby controlling output of the signal generation module. Further, a test system is described.

Antenna module and test system

A measurement system comprising a measurement device and at least a first probe unit and a second probe unit is disclosed. The first probe unit and the second probe unit are each connected to the measurement device in a signal transmitting manner. At least one of the measurement device and the first probe unit comprises a control unit. The first probe unit comprises an interface module being configured to generate an input data signal and to provide the input data signal to the control unit. The control unit is configured to generate and provide a control signal at least to the second probe unit based on the input data signal. Moreover, a method for operating a measurement system is disclosed.

Measurement system and method for operating a measurement system

A system for performing multiple input/multiple output tests on a device under test has a central control unit and a least two antenna modules connected to the central control unit via a signal line, wherein the antenna modules comprise a radio-frequency antenna, a signal generation unit and at least one power measurement unit. Further, a test setup and a method for performing MIMO tests are shown.

System, test setup as well as method for performing MIMO tests

An apparatus for measuring radio frequency power is provided. The apparatus comprises at least one interface, at least two measurement paths, and a processor. In this context, at least two of the at least two measurement paths are connected to a single interface, whereas the at least two measurement paths are connected to the processor in order to provide measurement data for the processor. In addition to this, the processor is configured to select one of the at least two measurement paths for producing a measuring result on the basis of at least one environmental sensor value from at least one environmental sensor and/or on the basis of at least one user input.

Apparatus and method for measuring radio frequency power

A measuring system for performing over the air power measurements is provided. The measuring system comprises, within a single housing, a detector module, comprising a detector input, a transmitter module, comprising a transmitter output, and an antenna. The detector input and the transmitter output are at least temporarily connected. At least the transmitter output or the detector input are at least temporarily connected to the antenna.

Measuring system for over-the-air power measurements with active transmission

A measuring system for performing over-the-air measurements on a device under test is provided. The measuring system comprises an antenna, configured for performing over-the-air measurements, an alignment device and an antenna holder interface, configured for interchangeably holding one of the antenna and the alignment device. The alignment device is configured for aligning the antenna holder interface and the device under test.

Measuring system with antenna alignment

The present invention provides an over the air, OTA, power sensor () for measuring power of a wireless signal () with at least two different polarizations, the OTA power sensor () comprising a first power sensor () for every polarization, every power sensor comprising a signal detector () for detecting the wireless signal (), wherein the signal detectors () are single polarized and wherein the polarization planes (-) of the signal detectors () are arranged at an angle of more than zero degree to each other and wherein the main radiation vectors (-) of the signal detectors () are parallel to each other, and the first power sensors () each comprising a power measurement device (-), which is configured to measure the power of the detected wireless signal () and output a respective measurement signal (--). Further, the present patent application provides a respective method.

Over the air power sensor and method

A measuring system for measuring a high frequency signal is provided. The measuring system comprises an antenna module, adapted for receiving the high frequency signal. Moreover, the system comprises a detector module adapted for deriving a measuring signal from the high frequency signal. Finally, the system comprises a sensor module adapted for measuring the measuring signal. The sensor module is arranged in a housing, while the detector module is not arranged in the housing. The detector module is connected to the sensor module by a first cable, which is adapted to transmit the measuring signal from the detector module to the sensor module.

Measuring system for over-the-air power measurements

A system for measuring radio frequency power of an incoming radio frequency signal is described, with at least one radio frequency interface for receiving the radio frequency signal, a signal processing unit for processing the radio frequency signal, a frequency selection unit for separating at least two frequency bands of the incoming radio frequency signal, the frequency selection unit comprising several filters, at least one power detector for measuring the radio frequency power of at least one of the frequency bands processed by the at least one power detector. At least one of the several filters is connected with the at least one power detector. The frequency selection unit is configured to forward the incoming radio frequency signal to at least one of the filters wherein the frequency selection unit has at least a first operation state in which the incoming radio frequency signal is forwarded to more than one filter simultaneously or subsequently.

Growing community of inventors

Munich, Germany

Nino Voss