New Rohde&Schwarz test system for automotive radar sensors electronically simulates even laterally moving objects
(PresseBox) - The new R&S RTS radar test system from Rohde & Schwarz simulates driving scenarios for testing radar based advanced driver assistance systems (ADAS) and radar sensors used in autonomously driving cars (AD) entirely over the air. The test solution consists of the new R&S AREG800A automotive radar echo generator as a backend and the R&S QAT100 antenna array as a frontend. Laterally moving objects, i.e. objects approaching from the side, are currently simulated by mechanically moving antennas. The R&S RTS replaces the mechanical movement by electronically switching individual antennas in the frontend on and off. Even objects moving laterally to the car at very high speed can be simulated reliably and reproducibly. The R&S RTS is able to simulate the radial velocity (Doppler shift) and the size (radar cross section) of objects at user configurable ? including very small ? ranges. Countless objects can be represented by cascading multiple R&S AREG800A backends. The R&S RTS moves tests currently performed on the road to the lab. This allows early error detection and a significant reduction in costs.
Radar sensors are key components in autonomous driving. The number of radar sensors in vehicles is growing since, in addition to long-range radars required by NCAP (New Car Assessment Program), an increasing number of corner radars are installed that can also monitor objects moving laterally. The latest generation of radar sensors comes with integrated RF antennas and signal processors for object recognition accommodated on the same chip. That is why the objects to be recognized need to be simulated over the air in radar sensor tests. The new&S RTSR&S AREG800AR&S QAT100
The backend can simulate a large number of independent artificial objects and dynamically vary their range, size (radar cross section) and radial velocity. With an instantaneous bandwidth of
The frontend uses up to 192 independently switchable antennas to simulate objects moving laterally to the car?s direction of movement, providing very fine resolution, high switching speed and high repeatability. Electronic switching of the antennas does not cause any wear to RF cables and other moving parts, as is otherwise encountered with mechanical antenna motion used in traditional test systems. An optional transmit array makes it possible to simulate two objects very close together and moving laterally to the car. The small patch antennas and the absorber-lined surface provide a low-reflection RF frontend with a very small radar cross section. This reduces the sensor?s noise floor and suppresses close-range targets and potential multipath reflections. The antenna spacing of just 3.7 mm delivers very fine angular resolution. Multiple frontends can be combined to cover larger fields of view of radar sensors. An angular resolution of less than 0.5
Starting from simple scenarios such as automatic emergency breaking&S RTS&S QAT100&S AREG800A
For test automation with industry-standard tools, the&S RTS
The&S AREG800A&S QAT100& Schwarz from
Automotive test solutions ? Test it, trust it.
As a leading global supplier of test and measurement software, instruments and systems, Rohde & Schwarz applies its market-leading technical expertise to develop innovative solutions through the entire automotive lifecycle from pre-development to production. OEMs, tier1s and chip suppliers around the world rely on the company?s proven test solutions for automotive radar, connectivity, infotainment, high-performance computing and EMC. With innovative solutions for the development, integration and production testing of radar, Rohde & Schwarz act as a trusted partner for customers creating the next generation of ADAS / AD systems. The company?s long-established expertise in wireless technology ensures robust connectivity in all standards from 5G and C-V2X to UWB, WiFi6 and GNSS. In-Vehicle Networks supporting the latest bus speeds and ECUs like high-performance domain controllers can be developed and debugged, complex EMI issues can be using the test equipment. With decades of experience in EMC testing, Rohde & Schwarz offers test and measurement equipment and customizable turnkey test systems for performing EMI and EMS measurements on vehicles and components in line with all major CISPR and OEM specific EMC standards. They support full vehicle antenna testing and also wireless coexistence testing with using own systems and instruments. The company also offers outstanding solutions for board level tests (ICT/FCT/BS) during ECU production. Partners and customers around the world use these test solutions to ensure automotive components and systems function correctly, coexist successfully and communicate with the outside world without errors.
The Rohde & Schwarz technology group is among the trailblazers when it comes to paving the way for a safer and connected world with its leading solutions in test & measurement, technology systems, and networks & cybersecurity. Founded more than 85 years ago, the group is a reliable partner for industry and government customers around the globe. On June 30, 2020, Rohde & Schwarz had around 12,300 employees worldwide. The independent group achieved a net revenue of EUR 2.58 billion in the 2019/2020 fiscal year (July to June). The company is headquartered in Munich, Germany.
R&S& Schwarz GmbH & Co. KG.
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The Rohde&Schwarz technology group is among the trailblazers when it comes to paving the way for a safer and connected world with its leading solutions in test&measurement, technology systems, and networks&cybersecurity. Founded more than 85 years ago, the group is a reliable partner for industry and government customers around the globe. On June 30, 2020, Rohde&Schwarz had around 12,300 employees worldwide. The independent group achieved a net revenue of EUR 2.58 billion in the 2019/2020 fiscal year (July to June). The company is headquartered in Munich, Germany.R&S® is a registered trademark of Rohde&Schwarz GmbH&Co. KG.
Datum: 25.06.2021 - 05:40 Uhr
Sprache: Deutsch
News-ID 1568511
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