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The 802.11 standard that started as single access point solution ("hot spot"), dramatically evolved, reaching speeds higher then wired Ethernet and providing infrastructure for crowded enterprise sites and organizations. With the ratification of the 802.11n standard, new technologies are used to increase performance, capacity, and coverage. On the client side, laptops, smart phones and other devices are available to be used in a variety of applications. While enterprises are seeking more performance, the underlying fundamentals of wireless LAN (WLAN) have remained the same. This paper will review what additions to the standard are included in 802.11n, along with the challenges of implementing it in a real-world environment.
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