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| Digital terrestrial broadcasting becomes even more convenient when a communications network is utilized to enrich data broadcasting services. This type of application is used in the One-Seg service. To utilize such an application in motor vehicles in transit, we are working on technologies to enrich data broadcasting with data transmitted via DSRC*1, which is the communication medium of the ITS*2. |
- DSRC is a communication scheme for motor vehicles moving within a very small area (several meters to several dozen meters) around a road-side antenna. Improvements to the communication procedure of DSRC have made it feasible to obtain more information securely during the short time in which a vehicle passes under a DSRC road-side antenna.
- It is now feasible to transmit additional information for data broadcasting, such as regional data, via DSRC to a newly developed digital terrestrial broadcasting receiver for a motor vehicle.
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We will study how to use this new technology to deliver useful information to users in motor vehiclest.
This research is being carried out as a part of the "R&D on Ubiquitous ITS" project commissioned by the National Institute of Information and Communications Technology. NHK, KDDI Corporation, Denso Corporation, Fujitsu Limited, Toyota InfoTechnology Center, Co., Ltd., Advanced Telecommunications Research Institute International, and KDDI R&D Laboratories are jointly conducting the research on the project.
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*1 Dedicated Short-Range Communication (DSRC) : A 5.8-GHz-band communication scheme that is used for ETC installed at tollgates and other locations.
*2Intelligent Transport System (ITS) : A transport system with the goals of securing the safety of road users and improving convenience through the use of the latest information and communication technology. |
Data service image using digital terrestrial broadcasting and DSRC >>Click here to scale up the image |
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