NEW RADAR SENSOR ALLOWS PEDESTRIANS & TRAFFIC TO COEXIST
24 February 2004 - Cambridge Consultants

For example, a pedestrian crossing such as the UK's Puffin system might use Doppler radar to sense approaching vehicles, induction loops in the road to detect stationary traffic, and infrared to sense pedestrians. CCL's ultra-wide band or UWB radar provides all this information in one compact and easy-to-fit module, providing a complete image of activity with presence, direction and speed data on objects in its field of view.

'UWB radar sensing provides vehicle and pedestrian detection that is more effective for both authorities and road-users, and lower in cost,' says Jon Garnsworthy, Head of Transport Systems at CCL.

The radar technology is a spin-off of CCL's work on anti-collision radar for automobiles, and operates in the unlicensed 5.8GHz frequency band using extremely low power signals. The sensor module prepared for RTIC is intended to demonstrate how compact such multi-function sensors can be made, and is available as a reference design for integration by traffic equipment OEMs. Alternatively, CCL can provide development services to adapt or interface the sensor for any specific equipment and sensing application.

CCL has been involved in developing and testing key technology platforms for automotive and road applications for many years. Its work ranges from the development of novel sensor technologies, through communications systems for the highway, to the development of advanced decision support systems for operators in complex real-time situations.

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