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802.11 Wireless LAN Fundamentals: Mobility

Authored on: Oct 20, 2005 by Pejman Roshan and Jonathan Leary

Technical Paper / Book Excerpt

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802.11 Wireless LAN Fundamentals covers the major components of 802.11 wireless LANs (WLANs). Fundamental concepts such as medium access mechanisms, frame formats, security, and the physical interfaces build the foundation for understanding more advanced and practical concepts.

In keeping with this theme, this chapter covers mobility. Mobility is the quality of being capable of movement or moving readily from place to place. 802.11 WLAN devices provide this kind of untethered freedom. But there's more to mobility than the lack of a network cable. Understanding how mobility is implemented in 802.11 arms you with the knowledge you need to support or facilitate mobile applications. Many terms describe mobility, but this chapter uses the terms mobility and roaming to describe the act of moving between access points (APs).

Reproduced from the book 802.11 Wireless LAN Fundamentals. Copyright © 2005, Cisco Systems, Inc. Reproduced by permission of Pearson Education, Inc., 800 East 96th Street, Indianapolis, IN 46240. Written permission from Pearson Education, Inc. is required for all other uses.



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