Beamforming antenna characterization

Beamforming antenna characterization

From bits to RF beams

5G, radar and satellite communications use beamforming for efficiency enhancements at the system level. Advanced antenna systems (AAS) are the configuration of choice. Hybrid beamforming combines the flexibility of digital beamforming with the efficiency of analog beamforming.

Increasing integration enables compact and cost-efficient AAS. To achieve accurate, reliable and efficient beamforming, it is necessary to understand and compensate for the nonlinear behavior of RF components.

While discrete components like phase shifters, switches and amplifiers are tested conducted, highly integrated frontends with antenna in package (AiP) and system level tests require over-the-air (OTA) testing.

Rohde & Schwarz gives you the benefit of a well-coordinated portfolio of conducted and OTA test solutions.

Related applications

Verifying beamformer ICs for phased array antennas

Integrated beamformer ICs shrink the size of antenna feed electronics. Multiport network analyzers shrink the test setup.

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OTA characterization of passive array antennas for fast testing

This application card describes the use of a unique vector network analyzer (VNA) to test passive antenna arrays.

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Antenna Array Testing - Conducted and Over the Air: The Way to 5G

Two new technologies simultaneously address both the increase in capacity and the increase in energy efficiency: Virtualization & Massive MIMO.

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Millimeter-Wave Beamforming: Antenna Array Design Choices & Characterization

Besides the fundamental theory of beamforming antennas, calculation methods for radiation patterns and real world measurement results for linear arrays are shown.

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Testing of LTE beamforming

MIMO improves the throughput, extends the reach, reduces interference and improves the signal to interference plus noise ratio (SINR) with beamforming.

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Characterizing Active Phased Array Antennas

This white paper explains test procedures to characterize the relevant parameters for active phased array antennas and their passive subsystem.

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Share a 1 GHz reference to obtain phase coherent signals

Phase stability over time is a key characteristic for phase-coherent signals. A common 1 GHz reference signal maintains high phase stability.

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Multichannel phase coherent signal generation

Testing multi-antenna systems requires a test system capable of providing multiple signals with constant phase relationships between them.

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Measurement of the Phase Difference between several Signals

Many applications in aerospace and defense as well as in mobile communication require a defined magnitude and phase relation between several signals, for example, to design a smart antenna array and it's distribution network, or to ensure accurate phase alignment between different transmitter or receiver chains of T/R modules.

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Related products

R&S®ZNBT vector network analyzer

The R&S®ZNBT is the first multiport vector network analyzer offering up to 24 integrated test ports.

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R&S®ZNA vector network analyzers

The R&S®ZNA vector network analyzers combine excellent RF performance with a wide range of software features and a unique hardware concept.

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R&S®SMW200A vector signal generator

Flexibility, performance and intuitive operation make the R&S®SMW200A an excellent fit for generating complex, digitally modulated signals of high quality.

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Related topics and solutions

RF power amplifier testing

Power amplifiers get the RF signal to the right power level and ensure antennas transmitting the signal properly.

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Mixer & frequency converter testing

Mixers are a fundamental element in a wide range of applications such as modulators, phase detectors, frequency converters and synthesizers.

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5G OTA/massive MIMO testing

Rohde & Schwarz offers comprehensive over-the-air (OTA) test solutions to pave the way for mmWave and massive MIMO antennas.

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