Press releases

Munich 12-Nov-2018

Rohde & Schwarz showcases gold standard test solution for radiation measurements on 5G devices

Rohde & Schwarz has demonstrated an innovative test system for conducting radiation measurements on 5G millimeterwave devices in the range from 20 GHz to 87 GHz using a compact antenna test range (CATR). The new solution will offer 5G RF engineers a great advantage, significantly accelerating time-to-market for 5G millimeterwave cellular devices.

Scheme of the new CATR test solution, featuring a gold-coated reflector and the capability to rotate the DUT in the quiet zone during the test.
Scheme of the new CATR test solution, featuring a gold-coated reflector and the capability to rotate the DUT in the quiet zone during the test.

Compact antenna test ranges (CATR) are the solution of choice to design and verify the upcoming 5G smartphones, tablets and notebooks that operate in the new frequency range 2 (FR2: 24.250 GHz to 52.600 GHz). CATR test systems employ indirect far field technology (IFF) and have been approved by 3GPP even for certified testing of this new 5G mobile device category, where the use of active antenna arrays is becoming the default design principle.

Active antenna arrays integrate antennas, power amplifiers and phase shifters in a single, PCB-mountable package, providing active beam steering for the first time in cellular devices. To provide a reliable communications link, multiple of these active antenna arrays are expected to be distributed within a mobile device (e.g. at all edges of a smartphone’s frame), and they will be switched on and off dynamically within milliseconds in a real-life mobile situation. Therefore, it is critical that the measurement zone is large enough to host the entire mobile device while the device is being rotated in order to measure its performance from all directions.

Premiere of test solution at 40th AMTA meeting

Rohde & Schwarz addresses this testing challenge with an innovative test solution. It offers an unrivaled measurement zone – the quiet zone – of up to 20 cm / 7.8” in diameter within a benchtop footprint of less than 0.8 m2 / 8.6 ft2, with the capability of automatically rotating the device under test (DUT) during the measurement.

Rohde & Schwarz has presented the new test system for the first time to the public at the 40th AMTA meeting in Williamsburg, VA, from November 4 to 9, 2018.

A gold-coated reflector and an ultra-wideband feed antenna retain excellent quiet zone uniformity with respect to both amplitude and phase, allowing RF engineers to conduct measurements all the way from 20 GHz to 87 GHz. The dual-polarized feed antenna measures horizontal and vertical polarization in one go, cutting test times in half. Together with a high-precision, full 360 degree 2D positioner, any radiated performance measurement can be recorded at a spatial resolution of better than 0.1 degrees, ensuring excellent accuracy and repeatability of test results. Test automation is available with the R&S CONTEST sequencer software or any third-party test equipment by using the extensive API library for C / C++ / C# / VB.NET / MATLAB / Python and NI LabVIEW.

The new CATR test system from Rohde & Schwarz will be available starting December 2018. Further information on the innovative 5G test solutions from Rohde & Schwarz can be found under: www.rohde-schwarz.com/5G

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Nov 12, 2018
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Rohde & Schwarz

Rohde & Schwarz is a leading supplier of solutions in the fields of test and measurement, broadcast and media, aerospace | defense | security and networks and cybersecurity. The technology group's innovative communications, information and security products help industry and government customers ensure a safer and connected world. On June 30, 2019, Rohde & Schwarz had about 12,100 employees. The independent group achieved a net revenue of EUR 2.14 billion in the 2018/2019 fiscal year (July to June). The company is headquartered in Munich, Germany, and has subsidiaries in more than 70 countries, with regional hubs in Asia and America.


R&S® is a registered trademark of Rohde & Schwarz GmbH & Co.KG.

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