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IEEE ups WLAN data throughput, range

Posted: 16 Sep 2009 ?? ?Print Version ?Bookmark and Share

Keywords:IEEE amendment? WLAN? 802.11n?

The IEEE's Standards Board has ratified the IEEE 802.11n-2009 amendment, which defines mechanisms that provide significantly improved data rates and ranges for WLANs. It is designed to help the data communications industry address the escalating demands placed on enterprise, home and public WLANs with the rise of higher-bandwidth file transfers and next-generation multimedia applications. WLANs based on IEEE 802.11 are widely deployed, with more than 1 million units shipping per day.

The IEEE 802.11 standard defines how to design interoperable WLAN equipment that provides a variety of capabilities including a wide range of data rates, quality of service, reliability, range optimization, device link options, network management and security.

The 560-page 802.11n amendment titled "...WLAN Enhancements for Higher Throughput" will enable rollout of significantly more scalable WLANs that deliver 10-fold-greater data rates than previously defined while ensuring co-existence with legacy systems and security implementations.

More than 400 individuals from equipment and silicon suppliers, service providers, systems integrators, consultant organizations and academic institutions from more than 20 countries participated in a seven-year effort leading to IEEE 802.11n's ratification. Publication of the amendment is scheduled for mid-October.

"This was an extraordinarily wide-ranging technical challenge that required the sustained effort and concentration of a terrific variety of participants. When we started in 2002, many of the technologies addressed in 802.11n were university research topics and had not been implemented," said Bruce Kraemer, chair of the IEEE WLAN working group. "The performance improvements achieved via IEEE 802.11n stand to transform the WLAN user experience, and ratification of the amendment sets the stage for a new wave of application innovation and creation of new market opportunities."

Added Paul Nikolich, IEEE 802 LAN/MAN standards committee chairman: "Everyone involved in the 802.11n processand no one more than Bruce Kraemer, whose strong leadership has been instrumental from the startdeserves congratulations because this is a key data communications milestone and a good example of the consensus building environment 802 provides for its participants. The amendment will enable a dramatic leap forward in WLAN scalability with only a modest associated rise in costs for the industry and end users."





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