| The information age has been
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| | network can be set up using wireless
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| revolutionized not just by the power of
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| | network to get rid of the hassles of
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| computers to process data, but also by
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| | laying cables. The mobile wireless
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| the power of communication amongst
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| | systems support mobility of the
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| computers. This communication is
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| | equipment, enabling the user to access
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| responsible for the proliferation of
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| | information from anywhere and at any
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| computer networks. Sharing of
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| | time. The equipments used in the mobile
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| information, sharing of resources (both
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| | wireless systems include personal digital
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| software and hardware) and sharing of
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| | assistants (PDAs), smart phones and pager
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| processing load are some of the major
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| | with Internet access.Wireless networks
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| objectives of a computer network. One of
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| | communicate by modulating radio waves or
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| the recent trends in the computer and
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| | pulsing infrared light. A wireless
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| communication industries is wireless
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| | networking router is linked to the wired
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| communication. A wireless network does
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| | network infrastructure by stationary
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| not use cables, but instead uses radio
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| | transceivers. Wireless communication
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| waves. Such networks enhance the
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| | technologies used in wireless networks
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| functionality of computing devices by
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| | include analog cellular, digital
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| freeing them from the location
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| | cellular, Cellular Digital Packet Data
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| constraints of a wired network. Although
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| | (CDPD), mobile radio networks, personal
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| wireless networking is of great use to
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| | communication services (PCS), satellite,
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| the laptop users who move from one
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| | microwave systems and local multipoint
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| location to the other throughout the day,
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| | distribution systems (LMDS). Although
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| there are benefits for fixed users as
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| | the data rates supported by analog
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| well. Many schools and businesses have an
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| | cellular technology are low, it is the
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| architecture that is unsuited for a wired
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| | most popular methods for wireless data
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| network. Wired networking is very cost
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| | communications due to the wide
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| effective in such environments.Wireless
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| | availability of modems and analog
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| networks can be broadly classified as
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| | cellular services. The commonly used
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| fixed wireless systems and mobile
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| | wireless technologies include 2G and 3G
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| wireless systems. A fixed wireless system
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| | technologies, wireless LANs, Wireless
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| supports a little or no mobility of the
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| | Local Loops (WLLs), radio-router
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| equipment related to the wireless
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| | technology, Multihop wireless network and
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| network. For example, a local area
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| | Wireless Application Protocol (WAP).
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