Continental’s 5th Radar Generation Meets Future Requirements For Automated Driving

Continental’s 5th Radar Generation Meets Future Requirements For Automated Driving

This new generation will enter series production in 2019 and will feature greater capacity, catering to vehicle manufacturers' different requirements and electrical-electronic architectures.

Continental has introduced the fifth generation of its short- and long-range radar sensors, which incorporate the company’s extensive, long-standing expertise in vehicle surroundings sensors. This new generation will enter series production in 2019 and will feature greater capacity, catering to vehicle manufacturers’ different requirements and electrical-electronic (E/E) architectures as it also is based on a scalable modular principle.

Thanks to the worldwide trend of using 77 GHz technology, the sensor resolution increases and can detect smaller objects, such as an exhaust pipe that has fallen off, more accurately. With long-range radar, a range of up to 900 feet and an opening angle of ±60 degrees are possible in the highest expansion stage depending on the required performance. With short-range radar, precise parking functions can be executed easily for the first time, in addition to functions such as blind spot detection, lane change assist or rear cross traffic alert.

“With the fifth generation of our powerful and tried-and-tested radar sensors, we are opening up new opportunities for modern advanced driver assistance systems,” said Amit Kapoor, head of advanced driver assistance systems at Continental North America. “Our latest radar generation is an important element in our technology portfolio to further strengthen and advance our leading position in the development of assisted and automated driving. In particular, the elevation measuring capability of our radar sensors allows the most varied of objects, even relatively small objects, to be detected more precisely.”

Flexible usage and suitable for future E/E architectures

Continental’s radar sensors are based on a highly sophisticated radar technology that benefits from four generations and almost 30 million units in series deployment to date. Measured against the scope of its performance, the company says the development leap of the new generation lies in its compactness and flexible usage.

The image of the surroundings produced by the radar is sent to a central control unit such as the assisted and automated driving control unit. In this way, different E/E architectures of vehicles can be covered using a single sensor concept. In addition to today’s standards for bus systems, such as High-Speed CAN and CAN-FD, the fifth generation is already prepared for Automotive Ethernet, thanks to the hardware concept, which ensures that the necessary bandwidth for transmitting sensor raw data to the assisted and automated driving control unit is available.

Enhanced performance due to higher resolution and more precise detection

One of the features of the new generation is a higher resolution compared to previous radar generations, enabling a more exact snapshot of the current traffic situation. In addition, road boundaries like curbstones as well as the height of objects, such as the end of a traffic jam under a bridge are detected thanks to the sensors’ evaluation measurement accuracy. Even the entry-level variant of the long-range radar has a range of 600 feet and an opening angle of ±45 degrees. The expansion stage currently in preparation will look 900 feet ahead, with an opening angle of ±60 degrees.

When four of the short-range radar sensors are installed on the corners of a vehicle, the wider opening angle and higher resolution facilitate a seamless 360 degrees radar “safety belt” all the way around the vehicle. Such a detailed and seamless display of the entire area surrounding the vehicle is important, since the vehicle would not be able to take on the driver’s tasks in automated driving otherwise. In conjunction with other sensors, such as a camera, surround view systems and 3D Flash LiDAR, the goal of achieving an understanding of the vehicle surrounding that is equal to or even better than that of a human being is coming closer.

An established strength of Continental’s radar sensors also is found in the fifth generation. Called auto-alignment, the sensors use a software function to automatically correct deviations from the sensor’s ideal location at its installation location on the vehicle.

In order to meet the rising demand worldwide, Continental is expanding its production capacities. Production of long-range radar sensors was launched in Shanghai in October of this year with the goal of producing several million units a year in order to meet the local high demand. The sensors also are produced in Germany, the U.S. and the Philippines.

Continental at Consumer Electronics Show (CES) 2018

The next radar generation also will be a topic at the CES 2018 in Las Vegas. Visit Continental at CES, Tuesday, Jan. 9-12, at North Hall Booth No. 6106. The Continental press conference will be held at Mandalay Bay, Level 2, Ballroom A at 10 a.m. on Monday, January 8.

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