DoT de-licences 77-81 Ghz spectrum range for short-range radars widely used for car ADAS

New Delhi: Short-range vehicle radar systems, widely used in automotive ADAS, that operate in the 77-81 GHz frequency range, have been exempted from the spectrum assignment rule by the telecom department, according to a gazette notification on Wednesday.

The move is expected to ease the process for the development of autonomous vehicles in the country.

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However, for the exemption, radars will follow certain technical standards, including non-interference, non-protection and the frequencies will be shared, which means it will be non-exclusive for users.

"No frequency assignment shall be required by any person to establish, maintain, work, possess or deal in any wireless equipment for the purpose of short-range automotive radar system in the 77 to 81 GHz frequency band on non-interference, non-protection and shared (non-exclusive) basis, and using the technical parameters...," the notification said.

Many automotive players are offering ADAS ( advanced driver-assistance systems) as a premium feature up to the level 2.

The higher level of ADAS supports autonomous car driving which is presently operational in the US.

The short-range automotive radar system supports the functioning of features such as autonomous emergency braking, cruise control, blind-spot detection etc.

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