A method and system for measuring a device under test are disclosed. In some embodiments, a method of implementing a measurement system is provided. The method includes providing a plurality of nodes, each node including a combination of a communication tester configured to generate a communication signal and a channel emulator configured to emulate a channel, and providing a user interface configured to enable a user to control at least one of the plurality of nodes.

Among network devices for use within a wireless communication network, a transmitting network device is configured to transmit to a receiving network device via a control channel one or more control signals for configuring the receiving network device for a characterization of at least one of the transmitting network device and the receiving network device and/or for a characterization of one or more communication channels between the transmitting network device and the receiving network device.

A telematics verification system for testing of a vehicle telematics system, the telematics verification system comprising: an electromagnetically shielded compartment adapted to be arranged to cover antennas of the vehicle when testing the vehicle telematics system using the telematics verification system while operating the vehicle; a set of downlink antennas adapted to be arranged inside the electromagnetically shielded compartment, the set of downlink antennas are configured to wirelessly transmit a downlink signal inside the electromagnetically shielded compartment, wherein the signal indicative of the downlink signal is wirelessly receivable by the antennas of the vehicle, and an uplink antenna adapted to be arranged inside the electromagnetically shielded compartment, the uplink antenna is adapted to wirelessly receive uplink signals transmitted by the antennas of the vehicle.

Among network devices for use within a wireless communication network, a transmitting network device is configured to transmit to a receiving network device via a control channel one or more control signals for configuring the receiving network device for a characterization of at least one of the transmitting network device and the receiving network device and/or for a characterization of one or more communication channels between the transmitting network device and the receiving network device.

A measuring device 1 includes a DUT scanning mechanism 56 that is provided in the OTA chamber 50, includes a biaxial positioner which can be rotationally driven by drive motors 56f and 56g, and rotates a DUT 100 to sequentially face all preset directions of a spherical coordinate system; an integrated control device 10 that measures the DUT 100 at each measurement position corresponding to each of the all directions; and a rotation speed management control unit 18b that controls a rotation speed of the drive motors 56f and 56g at a rotation speed which shortens a time required for the movement in a case where the biaxial positioner is moved at a unit step angle from a measurement position where the measurement is completed to a measurement position where next measurement is performed during the DUT 100 is measured.

The present invention discloses a simulation system and testing method of AIS signals for airborne receiver. The simulation system comprises: multiple AIS receivers for receiving AIS signals of vessels, each AIS receiver being respectively connected to a timing unit, and the multiple AIS receivers being connected to a centralized processor by means of a communication network; the centralized processor for combining data of the multiple AIS receivers, deleting redundant data, and forming an AIS database; a flight simulator for manipulating an altitude and direction of an aircraft, and simulating a flight path of a real aircraft; and an AIS signal generator for incorporating the AIS database according to an aircraft position and time point sent from the flight simulator, calculating all AIS signals received by the aircraft at the time point, and sending the AIS signals to an RF signal generator to generate VHF RF signals. The present invention resolves the issue of large differences between existing airborne AIS simulation tests and actual application scenarios, and is applicable to the development of a airborne AIS signal simulation and a testing apparatus.

Device and method can be provided for emulating a system which includes a wireless channel, a wireless transmitter, and a wireless receiver. For example, with an emulation processor, it is possible to receive baseband data, process the received baseband data, and transmit the processed baseband data. Further, with a controller, it is possible to receive configuration information pertaining to the wireless channel, the wireless transmitter, and the wireless receiver to be emulated; and configure the emulation processor according to the received configuration information.

A method and arrangement for testing wireless connections is provided. The method comprises obtaining (500) a three-dimensional model of a given environment; obtaining (502) ray tracing calculations describing propagation of radio frequency signals in the given environment; locating (504) one or more devices in the given environment; determining (506) utilising ray tracing calculations the radio frequency signal properties of one or more devices communicating with the device under test; transmitting (508) control information to the radio frequency controller unit for updating the connections between one or more devices and a set) of antenna elements to match with the determined properties; obtaining (510) information on the location and propagation environment of the one or more devices and updating (512) the radio frequency signal properties of the one or more devices if the location or propagation environment changes.

A system for emulating a plurality of wireless communication channels is provided. The system includes a plurality of elevation steering devices configured to modify at least one elevation characteristic of a plurality of signals and a plurality of combiners. Each combiner is configured to combine at least two signals of the plurality of signals to output a combined signal. The plurality of combiners output a plurality of combined signals. The system includes a plurality of azimuth steering devices configured to modify at least one azimuth characteristic of the plurality of combined signals. The plurality of elevation steering devices and the plurality of azimuth steering devices emulate the plurality of wireless communication channels.

A method and arrangement for testing wireless connections is provided. The method comprises obtaining (500) a three-dimensional model of a given environment; obtaining (502) ray tracing calculations describing propagation of radio frequency signals in the given environment; locating (504) one or more devices in the given environment; determining (506) utilising ray tracing calculations the radio frequency signal properties of one or more devices communicating with the device under test; transmitting (508) control information to the radio frequency controller unit for updating the connections between one or more devices and a set of antenna elements to match with the determined properties; obtaining (510) information on the location and propagation environment of the one or more devices and updating (512) the radio frequency signal properties of the one or more devices if the location or propagation environment changes.