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Car-to-car communication coming closer

John Day

John Day

Posted Jan 4, 2013

NXP Semiconductors and Cisco announced that each has invested in Cohda Wireless, which specializes in wireless communication for automotive safety applications. The respective amounts of the investments were not disclosed.

The three firms intend to develop a complete, market-ready car-to-car (C2C) and car-to-infrastructure (C2I) solution including automotive-qualified IEEE 802.11p products for onboard and roadside units that are ready for C2C and C2I deployments across the globe.

They note that car-to-car communication requires reliable and secure data exchange between fast-moving vehicles and infrastructure in a range of conditions – from rural highway to dense urban canyons. Thus, they say, an intelligent end-to-end network is needed.

Momentum is building to bring car-to-X technology to market. The U.S. Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) plans to make a decision this year regarding vehicle-to-vehicle and vehicle-to-infrastructure systems. The decision could include regulatory action.

Meanwhile, at least a dozen vehicle manufacturers in the CAR 2 CAR Communication Consortium ( are signing a Memorandum of Understanding (MoU) on a common strategy for deployment of Intelligent Transport Systems and Services (C-ITS) in Europe. The manufacturers agree on the importance of interoperability and common communication standards among all equipped vehicles.

Cohda’s technology is performing in the Department of Transportation’s year-long Safety Pilot Model Deployment test, which began last August in Ann Arbor, Michigan, and involves 2,880 cars, trucks and buses. Codha is providing WAVE/DSRC (Wireless Access in Vehicular Environments/Dedicated Short Range Communications) radios, network software, and roadside broadcasting units co-developed with Cisco. Cohda has also been included in field trials in Germany (simTD), France (ScoreF), and Singapore (ERP2).

NXP will exclusively license Cohda’s 802.11p technology, and Cohda will be NXP’s preferred partner for automotive 802.11p reference designs. NXP and Cohda have built a wireless communication solution for onboard-units. Cisco’s vision is a ubiquitous and highly-secure “Internet of Everything.” Maciej Kranz, vice president and general manager of Cisco’s Connected Industries Group, says the onboard solution is one element of an end-to-end architecture that integrates with Cisco’s offboard network infrastructure.

Let’s see how quickly something happens.

NXP, National Highway Traffic Safety Administration (NHTSA), U.S. Department of Transportation, CAR 2 CAR Communication Consortium, car-to-car, automotive safety applications, Cohda Wireless, IEEE 802.11p, car-to-infrastructure, Cisco

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John DayJohn Day recently launched John Day’s Automotive Electronics News ( to provide news and feature coverage of the automotive electronics industry. Earlier he wrote for Auto Electronics magazine, Auto E-lectronics, EE Times, and other business and engineering publications. Visit John Day

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