Radar-on-chip for short-range radar applications
The use of radar technology has grown tremendously in recent years. In the automotive context, the primary radar applications can be broadly grouped into corner radars and front radars. Corner radars (rear and front) are typically short-range radar sensors that handle the requirements of blind-spot detection (BSD), lane-change assist (LCA) and front/rear cross-traffic alert (F/RCTA).
Front radars are typically mid- and long-range radars responsible for autonomous emergency braking (AEB) and adaptive cruise control (ACC).
Traditionally, corner radars were based on 24-GHz technology. However, there is a shift in the industry toward the 77GHz frequency band due to emerging regulatory requirements, as well as the larger bandwidth availability, smaller sensor size and performance advantages.
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