R&S®QAT100 Advanced antenna array

Key facts

Unique electronically steerable antenna array
Extremely flexible and scalable system
High radial resolution and field-of-view coverage
4 GHz instantaneous RF bandwidth
Stand-alone short-range echo generation using R&S®QAT-B5 option

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Spatial moving targets without mechanical movement

As an alternative to standard RF frontends, the R&S®QAT100 offers the possibility of generating horizontal (alternatively vertical) moving targets without requiring any physical movement. With up to 2 x 96 individually switchable transmit antennas (with R&S®QAT-B2), the R&S®QAT100 ensures high resolution, high speed and high repeatability.

Its 4 GHz instantaneous RF bandwidth together with the ability to handle up to 8 completely independent objects offer the ability to simulate even densely populated scenarios. The optional analogue stepped delay line (R&S®QAT-B5 option), allows for the simulation of short-range echoes directly in the frontend.

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Features & benefits

Extremely scalable and flexible

Combine several R&S®QAT100 in order to increase the field-of-view

Several R&S®QAT100 can be combined in order to increase the field-of-view (FOV). All R&S®QAT100 advanced antenna arrays in a multi-instrument setup are synchronized via the R&S®AREG800 dynamic radar echo generator. This allows the simulation of complex ADAS scenarios.

Depending on the amount of available IF-path on the backend, densely populated scenarios with up to 8 independently moving targets can be generated.

Combining several R&S®QAT100 to increase the azimuthal coverage of the radar stimulation.

High speed and accuracy

Simulation of radial moving targets with extremely high speeds

The antenna spacing of only 3.7 mm provides a high radial resolution for realistic simulation of complex radar scenarios. Thanks to the electronic switching of the antennas, it is possible to simulate extremely fast radial velocities with an outstanding reproducibility.

The absence of moving parts and the missing necessity of moving the frontend for azimuthal object simulation result in reduced wear and tear and a high accuracy and repeatability of the simulated object angles.

Equipped with the QAT-B2 option, the R&S®QAT100 features up to 192 individually switchable transmit antennas.

Reduced close-range objects

Reducing close-range reflections to minimize interference on the radar.

The small patch antennas together with the absorber covered surface provide a clean RF frontend with very low RCS. This reduces the sensor's noise floor and potential multipath reflections.

Additionally, the R&S®QAT100 can be equipped with the R&S®QAT-B50 option, providing a shielded environment to the radar sensor and thus further reducing the potential interference with neighboring test setups.

The R&S®QAT100 with R&S®QAT-Z50 mounted in order to reducuce reflections and unwanted objects.

Ready for complex scenarios

Up to 8 completely independent objects on a single frontend.

In order to simulate urban scenarios, a high object density is required. The R&S®QAT100 with R&S®QAT-B2 option supports up to 8 completely independent targets that can be directed to 192 individual antennas.

To decrease the complexity for the user, the R&S®AREG800 takes care of scenario generation and automatically addresses the corresponding antennas of the R&S®QAT100.

The R&S®AREG800 and R&S®QAT100 with R&S®QAT-B2 option are the best performing solution when the simulation of complex radar environments is required.

Short range echo generation

Generate short-range echoes using the R&S®QAT-B5 option.

To efficiently perform parametric testing of radar sensors, long distances are not necessarily required. The optional analogue stepped delay line (R&S®QAT-B5 option) enables the instrument to simulate echoes up to approximately 13m, longer distances can be realized with an additional external delay.

Both manual operation via the on-screen menu and automation via ethernet commands is supported, enabling the automation of basic test cases and scenarios.

Generation of short-range echoes enables the verification of e.g. AEB functionalities.

MIMO Radar compatible

Optimized frontend for state-of-the-art MIMO sensors

Testing MIMO sensors requires the smallest possible offset between the respective receive and transmit antennas. The R&S®QAT100 with R&S®QAT-B21 frontend features 96 pairs of transmit and receive antennas with only 3.7mm of lateral offset between corresponding pairs. This allows to test the range resolution and accuracy of imaging radar sensors. The R&S®QAT-B21 option comes with an advanced absorber surface for an even lower reflectivity compared to the R&S®QAT-B11 standard frontend.

R&S®QAT100 equipped with R&S®QAT-B21 option for MIMO support.

Specifications

Frequency
RF frequency range		76 - 81 GHz
RF bandwidth		4 GHz
IF bandwidth	corresponds to 4 GHz RF BW	1 GHz
IF frequency range		1.1 to 2.1 GHz
Artificial objects
Supported object type		dynamic and static
Maximum number of IF path	with R&S®QAT100	up to 4 independant angular directions
	with R&S®QAT-B2 option	up to 8 independant angular directions
Distance	including 0.5m airgap. Requires QAT-B5	2.3 - 12.9m
Dynamic range		60 dB
Antennas
antenna configuration	with R&S®QAT-B11 frontend	5 RX / 96 TX
	with R&S®QAT-B11 frontend and QAT-B2	10 RX / 192 TX
	with R&S®QAT-B21 frontend	96 RX / 96 TX
Polarization		45 degrees

Available options

Related videos

02:19

Explainer video: Implementing realistic tests on virtual roads

The R&S®QAT100 antenna array and R&S®AREG800A radar echo generator together make the most powerful and scalable automotive radar object simulation system available. Watch this video to see how its advanced features can cover all scenarios from single static objects to complex moving traffic scenarios.

10-Oct-2023

02:10

Application video: Accelerating ADAS-AD with Hardware-in-the-Loop Testing

02-Mar-2022

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CES: Automotive Radar Object Simulation for Validation

Check out R&S Automotive Radar Object Simulation solutions for validations, live from the show floor at CES 2022.

31-Jan-2022

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CES: Automotive Radar Object Simulation for Validation

Check out R&S Automotive Radar Object Simulation solutions for validations, live from the show floor at CES 2022.

31-Jan-2022

02:43

Application video: Automotive radar object simulation with the AREG800A and QAT100

Watch the output of our radar test system in different use cases. This video shows the RTS in stand-alone operation, remote control and a basic HiL setup.

23-Dec-2021

02:43

Application video: Automotive radar object simulation with the AREG800A and QAT100

Watch the output of our radar test system in different use cases. This video shows the RTS in stand-alone operation, remote control and a basic HiL setup.

23-Dec-2021

Hardware-In-The-Loop validation of automotive radar sensors

18:57

Hardware-in-the-loop validation for automotive radar

Rohde & Schwarz and Vector Informatik will showcase a combined solution for reliable and reproducible over the air, closed loop testing of todays and tomorrows ADAS/AD features.

23-Dec-2021

18:57

Hardware-in-the-loop validation for automotive radar

Rohde & Schwarz and Vector Informatik will showcase a combined solution for reliable and reproducible over the air, closed loop testing of todays and tomorrows ADAS/AD features.

23-Dec-2021

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R&S®QAT100 Advanced antenna array

Spatial moving targets without mechanical movement

Features & benefits

Extremely scalable and flexible

High speed and accuracy

Reduced close-range objects

Ready for complex scenarios

Short range echo generation

MIMO Radar compatible

Available options

Related downloads

Related videos