Introduction to IEEE 802.11

In 1997 the IEEE adopted IEEE Std. 802.11-1997, the first wireless LAN (WLAN) standard. This standard defines the media access control (MAC) and physical (PHY) layers for a LAN with wireless connectivity. It addresses local area networking where the connected devices communicate over the air to other devices that are within close proximity to each other. This paper provides an overview of the 802.11 architecture and the different topologies incorporated to accomodate the unique characteristics of the IEEE 802.11 wireless LAN standard.

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