Abstract: The present disclosure generally relates to a method for testing a telecommunication standard-based positioning, navigation, and timing system and a test device. The system includes the test device. Radio signals from at least three different transmitters are received by the test device. Each transmitter transmits a radio signal according to the telecommunication standard. An assessed position of the test device is determined based on the radio signals received by the test device. The position of the mobile device is determined by the test device additionally to the assessed position. The assessed position is compared with the determined position.

Abstract: Disclosed are a method of and a system for interference with a transmission of an Orthogonal Frequency-Division Multiplex, OFDM, signal. The OFDM signal comprises multiple data frames which respectively comprise a preceding frame preamble and a succeeding frame preamble. The method comprises: receiving a succeeding frame preamble of a first data frame of the multiple data frames; identifying a first radio power and a first equalization information associated with the received succeeding frame preamble; determining a second radio power on a same order of magnitude as the first radio power, and a second equalization parameter differing from the first equalization parameter; receiving a preceding frame preamble of a second data frame of the multiple data frames; and retransmitting the succeeding frame preamble of the first data frame concurrently with a succeeding frame preamble of the second data frame.

Abstract: A method of training an artificial intelligence circuit is provided. The method includes the steps of providing a training data set, the training data set encompassing training data of a frequency spectrum including a guard band and/or training data concerning a radio frequency power in the guard band, and feeding the training data set into the artificial intelligence circuit to be trained, which processes the training data set in order to learn a standard frequency spectrum and/or a standard radio frequency power in the guard band, thereby enabling the artificial intelligence circuit, when trained, to determine a deviation from the standard frequency spectrum and/or to determine a deviation from the standard radio frequency power in the guard band. In addition, a monitoring method for identifying an anomaly in a radio frequency spectrum as well as a system for monitoring a radio frequency environment are described.

Abstract: The invention relates to system (10) for radio frequency, RF, anomaly or interference detection in an environment (20). The system (10) comprises an unmanned vehicle (11) which is configured to move through the environment (20), and at least one RF receiver (12) which is mounted to the unmanned vehicle (11) and which is configured to record RF spectral data at different locations in the environment (20). The system (10) further comprises at least one RF machine learning unit, RFMLU (13), wherein the RFMLU (13) is configured to analyze the RF spectral data in order to detect RF anomalies or interferences. In case of detecting an RF anomaly or interference with the RFMLU (13), the RF receiver (12) is configured to record a baseband signal of an RF environment at the location of the detected RF anomaly or interference.

Abstract: A vehicle black box for implementation in a vehicle is described. The vehicle black box includes a sensor interface for receiving sensor data of a sensor module sensing at least one physical vehicle parameter. Further, the vehicle black box includes a wireless module for receiving a radio frequency signal, wherein the wireless module generates IQ data based on the radio frequency signal received. The vehicle black box also includes a recording module with a first memory for temporarily storing the IQ data generated and a second memory for permanently storing the IQ data generated. Moreover, the vehicle black box has a processing unit configured to receive and evaluate the sensor data, wherein the processing unit is further configured to control a transfer of the IQ data from the first memory to the second memory based upon the evaluation result. A vehicle and a method of gathering data associated with at least one physical vehicle parameter are also described.

Abstract: A test system for benchmark testing a device under test is described. The test system comprises a device under test having hardware components, an operating system and at least one over-the-top traffic unit. The test system also has at least one network unit providing a network for the benchmark testing. The test system further comprises at least one control unit controlling the benchmark testing. In addition, the test system has at least one measurement unit configured to acquire benchmark data of the device under test. The control unit is configured to control the measurement unit and the over-the-top traffic unit. Further, a method for benchmark testing a device under test is described.

Abstract: A test system is provided. Said test system comprises a device under test, a measurement equipment, and a remote source simulator. In this context, the remote source simulator is adapted to simulate a remote video source, wherein the remote video source is adapted to transmit a video comprising at least one detection pattern to the device under test. Furthermore, the device under test is adapted to display the video. In addition to this, the measurement equipment is adapted to detect the at least one detection pattern with respect to the device under test and to determine the number of detection patterns having been received by the device under test.

Abstract: A test system is provided. Said test system comprises a device under test, a measurement equipment, and a remote source simulator. In this context, the remote source simulator is adapted to simulate a remote video source, wherein the remote video source is adapted to transmit a video comprising at least one detection pattern to the device under test. Furthermore, the device under test is adapted to display the video. In addition to this, the measurement equipment is adapted to detect the at least one detection pattern with respect to the device under test and to determine the number of detection patterns having been received by the device under test.

Abstract: An approach for the analysis of the impact of over the top (OTT) applications is provided, which operate “over the top” of the network applications, with respect to network performance and power consumption on mobile devices. A wireless network for an application-carrying device separate from wireless communications network test equipment is simulated. A wireless communications interface between the simulated network and the application-carrying device is monitored. The monitoring comprises measuring signaling data on a control plane, and measuring application data on a user plane related to at least one application implemented on the application-carrying device. Cross-layer measurement data is generated based on the measured signaling data and application data. The signaling data and the application data are measured on the basis of a common time reference of the test equipment.

Abstract: A control arrangement for communicating remotely with an electronic device comprises a local control unit associated with the electronic device, the local control unit comprising a first non-RF spectrum receiver for non-RF spectrum uplink communication signals and a controller coupled to the first receiver for controlling the electronic device based on the received non-RF spectrum uplink communication signals, and a remote control unit with a first non-RF spectrum transmitter for transmitting the non-RF spectrum uplink communication signals to the local control unit.

Abstract: A control arrangement for communicating remotely with an electronic device comprises a local control unit associated with the electronic device, the local control unit comprising a first non-RF spectrum receiver for non-RF spectrum uplink communication signals and a controller coupled to the first receiver for controlling the electronic device based on the received non-RF spectrum uplink communication signals, and a remote control unit with a first non-RF spectrum transmitter for transmitting the non-RF spectrum uplink communication signals to the local control unit.

Abstract: A test system for benchmark testing a device under test is described. The test system comprises a device under test having hardware components, an operating system and at least one over-the-top traffic unit. The test system also has at least one network unit providing a network for the benchmark testing. The test system further comprises at least one control unit controlling the benchmark testing. In addition, the test system has at least one measurement unit configured to acquire benchmark data of the device under test. The control unit is configured to control the measurement unit and the over-the-top traffic unit. Further, a method for benchmark testing a device under test is described.

Abstract: The present invention provides a testing system for a video and audio reproduction system, the testing system comprising a data source, comprising video and audio data for reproduction by the video and audio reproduction system, the video and audio data comprising unique marks in every video frame and every audio frame, a recording unit, configured to record a video stream and an audio stream generated by the video and audio reproduction system based on the video and audio data, and a test processor, configured to extract the unique marks from the recorded video stream and the recorded audio stream, and to verify if respective unique marks of simultaneous video frames and audio frames have been recorded by the recording unit simultaneously. Furthermore, the present invention provides a testing method, a computer program product, and a non-transitory computer readable data carrier.

Abstract: The invention relates to a technique for especially testing an IEEE 802.11 WLAN device, in particular for testing performance compliance of the device. According to a method aspect to be performed by a test system, exchange of an ICMP message pair is initiated between the device under test (DUT) and the test system; and a backoff time selected by the DUT during the message exchange is determined.

Abstract: A measuring device comprises a transmission unit and a communication unit. The transmission unit is adapted to transmit a measuring signal, being an analog high frequency broadcast signal to at least one device under test. The communication unit is adapted directly receive at least one measuring result from the at least one device under test.

Abstract: Universal holding apparatus for holding a device under test, DUT, said universal holding apparatus comprising: a base plate configured to mount at least two DUT holders for holding the device under test each DUT-holder having at least one pad, wherein the at least two DUT-holders are positionable on said base plate to clamp said device under test, DUT, between them, wherein the pad of at least one of said DUT-holders for holding the device under test, DUT, is slidable to adjust a clamping distance between the DUT-holders for engaging said device under test, DUT.

Abstract: A measuring system for measuring video processing quality of a device under test includes a measuring device comprising transmission means set up for transmitting a video to the device under test. The device under test is set up for receiving the video and displaying it using a display included by the device under test. The video includes at least a first barcode to be displayed for a first duration. The measuring system includes a barcode reader set up for reading the first barcode from the display of the device under test. The measuring system is set up for determining the video processing quality of the device under test based upon measuring results of the barcode reader.

Abstract: An approach for the analysis of the impact of over the top (OTT) applications is provided, which operate “over the top” of the network applications, with respect to network performance and power consumption on mobile devices. A wireless network for an application-carrying device separate from wireless communications network test equipment is simulated. A wireless communications interface between the simulated network and the application-carrying device is monitored. The monitoring comprises measuring signaling data on a control plane, and measuring application data on a user plane related to at least one application implemented on the application-carrying device. Cross-layer measurement data is generated based on the measured signaling data and application data. The signaling data and the application data are measured on the basis of a common time reference of the test equipment.

Abstract: The present invention provides a testing system for a video and audio reproduction system, the testing system comprising a data source, comprising video and audio data for reproduction by the video and audio reproduction system, the video and audio data comprising unique marks in every video frame and every audio frame, a recording unit, configured to record a video stream and an audio stream generated by the video and audio reproduction system based on the video and audio data, and a test processor, configured to extract the unique marks from the recorded video stream and the recorded audio stream, and to verify if respective unique marks of simultaneous video frames and audio frames have been recorded by the recording unit simultaneously. Furthermore, the present invention provides a testing method, a computer program product, and a non-transitory computer readable data carrier.

Abstract: Universal holding apparatus for holding a device under test, DUT, said universal holding apparatus comprising: a base plate configured to mount at least two DUT holders for holding the device under test each DUT-holder having at least one pad, wherein the at least two DUT-holders are positionable on said base plate to clamp said device under test, DUT, between them, wherein the pad of at least one of said DUT-holders for holding the device under test, DUT, is slidable to adjust a clamping distance between the DUT-holders for engaging said device under test, DUT.