AWR Application Notes

mmWave Automotive Radar and Antenna System Development

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APPLICATION NOTE mmWave Automotive Radar and Antenna System Development Using AWR Software As modern vehicle development expands to include more and more sophisticated electronics, automobile manufacturers are equipping their new models with advanced driver-assistance system (ADAS) applications to obtain high safety ratings by increasing automotive safety. Most road accidents occur due to human error and ADAS applications are proven to reduce injuries and fatalities by alerting drivers to and assisting them with a variety of issues, including collision avoidance and low tire pressure, using radar technology mostly focused over the 76-81GHz spectrum. They perform over a range of applications, operating conditions, and object detection challenges in order to provide reliable coverage over the range (distance) and field of view (angle) as dictated by the particular driver-assist function. Design Overview This application note presents some of the challenges behind developing millimeter-wave (mmWave) radar systems and the antenna array technologies for the next generation of smart cars and trucks. Examples will be presented demonstrating how the Cadence ® AWR Design Environment ® platform, specifically the radar design capabilities within Cadence AWR ® Visual System Simulator™ (VSS) system design software, can be used successfully in ADAS applications.

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