Information System to Unite Drivers, Cars and Roads |
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Sumitomo Electric System Solutions Co., Ltd. offers products that help create a smooth road traffic environment. Its product portfolio includes image-based vehicle detection sensors, which acquire information on road traffic conditions, and the road-to-vehicle communication system*1, which provides acquired information to drivers.
We have recently completed the new installation of a central processing system for the ITS spot system, ordered by the Nagoya Branch of Central Nippon Expressway Co., Ltd., and have put it into operation.
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In the ITS spot system, the central processing system collects and edits wide-area road traffic information and still images, which are sent via fast, high-capacity, two-way 5.8 GHz band DSRC2 to 269 ITS spots currently provided on expressways in the Chubu and Hokuriku districts. Vehicles equipped with an ITS spot-compatible automotive navigation system receive the information.
Compared with the conventional road-to-vehicle communication system, which uses 2.5 GHz band wireless communications, the new system offers the following functional enhancements for substantially improved user convenience.
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The new system offers improved services to long-haul drivers, providing travel time and congestion information for a road length of some 1,000 km (in contrast to some 200 km with the conventional system).
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The new system provides road traffic information by voice, such as "Drive carefully! Congestion ahead" to alert drivers.
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In times of snow, drivers can view still images of road conditions all the way to their destinations, and are advised to use snow tires.
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The new system uses easy-to-understand graphics to alert drivers of congestion, fallen objects or disabled vehicles, and to guide them when they are approaching a service or parking area.
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We will continue to address the challenge of building useful systems for safe, secure and comfortable driving. |
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Notes:
*1 Road-to-vehicle communication system One component of the Vehicle Information and Communication System (VICS) that uses beacons installed on expressways.
*2 DSRC: Dedicated Short Range Communications One type of wireless communication system incorporated in the Intelligent Transport Systems (ITS); designed to provide short range two-way communications.
- DSRC is a trademark or registered trademark of the ITS Service Promotion Association ORG.
- VICS is a trademark or registered trademark of the Vehicle Information and Communication System Center.
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Sumitomo Electric System Solutions Co., Ltd. |
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