Published: July 26, 2010
IEEE Publishes the 802.11p Amendment to Extend the Base IEEE 802.11 WLAN Specification for Wireless Access in Vehicular Environments
PISCATAWAY, N.J. - (BUSINESS WIRE) - The IEEE today announced that it has published the IEEE 802.11p -
2010, Standard for Information Technology-Telecommunications and
Information Exchange between systems-Local and Metropolitan
networks-Specific requirements-Part 11: Wireless LAN Medium Access
Control (MAC) and Physical Layer (PHY) specifications: Wireless Access
in Vehicular Environments.
This amendment defines mechanisms that allow IEEE 802.11 technology to
be used in very high speed, rapidly changing, radio environments
encountered by cars and trucks on highways. IEEE 802.11p defines
enhancements to the physical layer to deal with the extreme Doppler
shifts and rapidly changing multipath conditions encountered as vehicles
are communicating with each other or to the roadside at speeds of up to
200 kph. It also defines the MAC layer changes required to satisfy the
needs of entering a new communication zone and being able to quickly
establish a link and exchange multiple packets of data within less than
100 ms total elapsed time from entering to exiting that zone. Further
MAC changes are designed to support other higher layer protocols that
are designed for the vehicular environment, such as the set of IEEE
1609 standards for Wireless Access in Vehicular Environments
To purchase IEEE 802.11p and other standards, visit http://shop.ieee.org.
About IEEE 802
The IEEE 802 LAN/MAN Standards Committee develops LAN and
metropolitan area network (MAN) standards. The most widely used
standards are for the Ethernet family, Token Ring, Wireless LAN,
Wireless PAN, Wireless MAN, Bridging and Virtual Bridged LANs. An
individual working group provides the focus for each area. Decisions by
the IEEE 802 task groups and working groups will shape communications
for years to come. For more information about the IEEE 802 LAN/MAN
Standards Committee, see http://grouper.ieee.org/groups/802/.
About the IEEE Standards Association
The IEEE Standards Association, a globally recognized standards-setting
body, develops consensus standards through an open process that engages
industry and brings together a broad stakeholder community. IEEE
standards set specifications and best practices based on current
scientific and technological knowledge. The IEEE-SA has a portfolio of
over 900 active standards and more than 600 standards under development.
For information on the IEEE-SA, see: http://standards.ieee.org.
About the IEEE
IEEE, the world's largest technical professional association, is
dedicated to advancing technology for the benefit of humanity. Through
its highly cited publications, conferences, technology standards, and
professional and educational activities, IEEE is the trusted voice on a
wide variety of areas ranging from aerospace systems, computers and
telecommunications to biomedical engineering, electric power and
consumer electronics. Learn more at http://www.ieee.org.

IEEE Standards Association
Shuang Yu, 732-981-3424
IEEE-SA
Marketing Manager
shuang.yu@ieee.org
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