wireless network category.pptx

communication enggineering
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  Wireless Network WLAN WMAN  W  IRELESS   N  ETWORK   C  ATEGORY     ã This is very much cost effective , less messy & movement of this LANs are very easy because in this type of LANs, problems related to wires are removed. ã  A wireless local area network (WLAN) links two or more devices using some wireless distribution method (typically spread-spectrum or OFDM radio), and usually providing a connection through an access point to the wider Internet. This gives users the mobility to move around within a local coverage area and still be connected to the network.. W  IRELESS   LAN     ã Provides network connectivity over wireless media ã  An Access Point(AP) is installed to act as the Bridge between Wireless and Wired network ã  An AP is connected to wired network and is equipped with antenna to provide wireless connectivity  ã Range depends on structural hindrances and RF gain of the antenna at the Access Point. ã To service larger areas, multiple APs may be installed with 20-30% overlap ã  A client is always associated with one AP and when the client moves closer to another AP, it associates with the new AP.
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