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ADAS – RADAR an Important Component

automobileThe automobile industry is entering a new paradigm with rapidly advancing technologies where vehicles of the future will incorporate mobile communications technologies and AI implemented as the CASE (Connected, Autonomous, Shared and Electric) revolution. Making CASE a reality will not only solve social issues, such as traffic congestion, energy consumption, and environmental pollution but will also lead to creation of new mobility services contributing to industrial and regional revitalization.

Madhukar Tripathi
Madhukar Tripathi, Associate Director – Optical Business & Marketing, Anritsu India Pvt. Ltd.

To bring self-driving vehicles and connected cars to market, automobile makers must accurately and reliably test the safety of mission-critical advanced technologies supporting CASE. To reduce road traffic accidents caused by driver errors, countries worldwide are progressing with development of Advanced Driver-Assistance Systems (ADAS) as well as selfdriving vehicles. This progress is supported by various sensor technologies, including radar.

Implementation of self-driving vehicles uses mmWave and highfrequency communication systems for transferring more data, and automobile radar is transitioning to higher frequencies. Consequently, developers require better solutions, such as wideband spectrum analyzers and signal generators. This article cover use of VNA based measurement for car radar. With continued customer demand for advanced automotive safety systems like automatic emergency braking, blind-spot detection, lane-change assist, and adaptive cruise control (to name just a few), manufacturers continue to utilize automotive radar systems to enable these functionalities. Radar systems have proven to have inherent advantages that make them an ideal solution (all-weather, better measurements, detection of more objects, easily incorporated in to the design of the car, and more). These radar systems typically fall into three categories: short-range radar (SRR), ultra-wideband SRR (UWB SRR), and long-range radar (LRR)- Figure 1.

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