Over-the-air (OTA) antenna testing applications

Over-the-air (OTA) antenna testing applications

Get a better understanding of antenna characteristics and performance

Rohde & Schwarz test and measurement solutions for over-the-air (OTA) characterization of antennas

Antennas are designed to efficiently transmit or receive RF waves. To optimize their design, it is crucial to understand and test important characteristics such as antenna diagrams, directivity and gain. All testing is focused on over-the-air methods to understand the antenna's created RF field in the air. Topics of interest range from antenna diagrams and gain to performance verification of transmitted signals. Rohde & Schwarz offers a wide range of OTA chambers, from large, walk-in solutions to compact benchtop setups. An accurate near-field to far-field transformation algorithm allows the use of compact test environments to efficiently specify the antenna characteristics.

Highlighted applications

Demystifying over-the-air (OTA) testing

This white paper provides an introduction to antennas in general, their parameters and the different types available, as well as antenna characterization and testing, with a focus on over-the-air testing methods.

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The challenge of testing 5G antenna performance

Rohde & Schwarz presents the R&S®ATS1000 antenna test system, a highly accurate solution for testing 5G antennas up to mmWave frequencies in a mobile, shielded chamber.

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Enhanced EIRP OTA measurements

Measuring absolute power levels precisely in over-the-air (OTA) scenarios is challenging, since traditional setups are based on several different components.

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Related videos

Understanding OTA Power Measurements

Understanding OTA power measurements

This video provides a brief technical introduction to over-the-air (OTA) power measurements, how they are different from traditional conducted power measurements, and why OTA measurements are important for many newer technologies such as 5GR (FR2), 802.11ad and 802.11ay, and automotive radar.

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Using the R&S NRPM

Using the R&S®NRPM

This short video provides an brief introduction to the R&S®NRPM over-the-air (OTA) power measurement system, including its components, configuration, and measurement applications such as 5GR (FR2), 802.11ad and 802.11ay, and automotive radar.

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Compact CATR OTA chamber for 5G FR2 testing presented by Rohde & Schwarz

Compact CATR OTA chamber for 5G FR2 testing

Signaling test in the new mmWave-based 5G frequency of FR2 requires an OTA test setup. The R&S®ATS800R CATR rack based antenna test system is designed for FR2 over-the-air measurements in R&D. It optimizes the available lab space by combining a compact chamber with T&M equipment in the same setup, ensuring the smallest footprint.

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Compact and flexible CATR system for 5G FR2 testing presented by Rohde & Schwarz

Compact and flexible CATR system for 5G FR2 testing

Rohde & Schwarz presents the most compact CATR solution R&S®ATS1800C. The system allows to test heavier mmWave devices in a big quiet zone yet on a small chamber footprint. The rugged, fast and accurate positioner enables to perform testing even with head and hand phantoms. A new extreme temperature test solution that does not limit the movement of the azimuth over elevation positioner supplements the functionality of this versatile CATR solution.

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