Abstract
While radar based comfort systems like autonomous cruise control (ACQ) and collision warning are available in many high and mid class models since several years, safety systems like pre-crash sensing, collision mitigation, or collision avoidance are just entering the market. For safety functions short range ultra-wideband radar sensors are used in addition to forward looking long-range radar to extend ACC to stop-and-go operation and to enable further features like pre-crash warning, parking aid, back-up warning, lane change aid, or emergency braking. The contribution give an overview on automotive radar sensors and applications for novel comfort and safety systems with special emphasis on ultra-wideband short range radar, addressing specifications, design, packaging, and the worldwide frequency regulation situation.
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