Toyota, others in car net services deal-M'bishi Corp
Toyota, IBM and NTT are members of WECA (http://www.weca.net/sponsors.asp), which does interoperability testing for all 802.11 product.
Cheers. Rob
OFDM Technology Selected for Road Safety and Traffic Management Applications Standard
OFDM Technology Selected for Real-Time Road Safety and Traffic Management Applications Standard; IEEE 802.11a Variant Paves the Way for High-Speed Mobile Data Communications
CALGARY, ALBERTA - August 30, 2001 - The OFDM Forum, an association organized to promote a single worldwide OFDM standard for high-speed wireless communications, endorsed the Dedicated Short Range Communications (DSRC) 5.9 GHz Standards Writing Group's technology selection to provide the interoperability for DSRC Public Safety-based applications. A variant of the IEEE 802.11a standard, this roadside application proposal, known as 802.11a/RA, uses Orthogonal Frequency Division Multiplexing (OFDM) in its next generation wireless communication networks.
As a sub-group of the American Society for Testing and Materials (ASTM), the DSRC 5.9 GHz Standards Writing Group was responsible for testing, evaluating, and selecting a proposal to address broadband wireless distribution for use in real-time road safety and traffic management applications, as well as a variety of commercial and private traveler services. There are several early-adopter applications for 802.11a/RA, including automatic toll payment, vehicle/bus probes, tractor-trailer interface, truck data log polling, route specific traffic advisories, and safety vehicle warning systems.
``The use of OFDM technology for the ITS and Telematics industries opens the doors to a new generation of interoperable wireless ITS communications devices,'' said Ramez Gerges, TCFI principal engineer. ``This decision will allow the development of standard-based products specifically designed for the high-speed mobile data communications requirements for road access.''
The OFDM Forum's Broadband Mobile Wireless Working Group submitted the initial OFDM technology-based proposal to the DSRC committee last November. The final vote, held on August 24, 2001 in El Segundo, California, went 20-2 in favor of 802.11a/RA. Both the ASTM subcommittee and the Standards Writing Group will meet in Albany, New York, on September 13 and 14, to develop an action plan regarding the related efforts required to produce this standard.
The OFDM Forum would like to thank its member companies who played an active role in generating this proposal, including Intersil, Caltrans' Testbed Center for Interoperability (TCFI) at the University of California Santa Barbara (UCSB), Georgia Institute of Technology, and University of California, Berkeley (PATH).
About OFDM:
Orthogonal Frequency Division Multiplexing (OFDM) is a technology that is considered to be the cornerstone of the next generation of high-speed wireless data products and services for corporate and consumer use. OFDM is also at the foundation of both the IEEE 802.11.a and ETSI BRAN HIPERLAN/2 standards and is used in numerous multimedia applications.
About The OFDM Forum:
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Atheros Chipsets Used to Determine New Transportation-Based Wireless Standard
Committee Selects 802.11a RA Technology for Next-Generation Wireless Roadside Applications
SUNNYVALE, Calif., August 30, 2001 - After rigorous testing of competing technologies, a special committee made up of private businesses and public agencies selected IEEE 802.11a technology for licensed "telematics" applications in the specially designated 5.850–5.925 GHz band. Atheros AR5000 chipsets were used to test the IEEE 802.11a technology.
Telematics includes vehicular public safety, electronic toll-taking, commercial vehicle operations, and information applications. Emerging telematics applications will, for example, warn drivers of nearby emergency vehicles and traffic congestion, allow consumers to easily pay a bridge or road toll wirelessly, and download music files when they pull up to a gas station or into their garage. Businesses such as trucking companies will be able to track their fleet of trucks and cargo whenever a truck passes a weigh station or truck stop.
"The recent independent testing of Atheros chipsets demonstrates the performance, reliability, and breadth of applications possible with Atheros 802.11a technology," said Mark Bercow, vice president of marketing for Atheros Communications.
Atheros AR5000-based products were tested in a variety of severe multipath environments including parking garage and toll booths, high speed environments where vehicles exchanged data with stationary and mobile stations at up to 120 mph, and vehicle-to-vehicle at distances up to 400 meters. The products passed these tests by providing packet error rates of less than 0.1 in 100 percent of the multipath tests, exchanging messages in 100 percent of the high speed runs, and consistently establishing wireless links at long distances through heavy traffic.
Sponsored by the Federal Highway Administration, performance testing was done by the Dedicated Short Range Communications (DSRC) 5.9 GHz Standards Writing Group, a sub-group of American Society for Testing and Materials (ASTM) E17.51. On August 24, 2001, the group voted 20-2 to select 802.11a RA (roadside applications), a version of IEEE 802.11a modified to operate at 5.850-5.925 GHz.
"The selection of a standard for this band is a major milestone towards developing new telematics applications in the 5.850-5.925 GHz band," said Paul Najarian, director of telecommunications for ITS America, a public-private organization mandated by the U.S. Congress in 1991 to coordinate the development and deployment of intelligent transportation systems in the United States.
"As a leading provider of wireless location products and integration services for telematics, intelligent transportation systems, automatic vehicle location and public safety, we are integrating 802.11a into our existing product lines," says Dr. Khaled Dessouky, CTO of TechnoCom Corporation. "And as active participants in the DSRC Standards Writing Group and independent evaluators of DSRC technologies, we have been impressed by the performance of the Atheros AR5000-based products in the demanding DSRC environments."
About Atheros Communications
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