This report provides a comprehensive analysis of Wireless Local Area Networks (WLANs), focusing on the IEEE 802.11 standard. It explores the fundamental concepts of wireless communication, highlighting the advantages of WLANs in modern networking. The report details the components of a WLAN, including stations, access points, and the wireless medium, explaining their roles in network functionality. It further examines WLAN architecture, comparing infrastructure and Adhoc modes, and delving into access methods like DCF and PCF. The report also discusses the protocol architecture, comparing the IEEE model with the OSI model. Additionally, it categorizes WLAN technologies into infrared LAN (IR), direct sequence spread spectrum (DSSS), frequency hopping spread spectrum (FHSS), and narrow band microwave LAN (NBML), detailing their characteristics and applications. This report provides valuable insights into the evolution, components, architecture, and categories of WLAN technologies.
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