Saturday, December 31, 2016




Wireless network:









Wireless icon
  1. A wireless network is any type of computer network that uses wireless data connections for connecting network nodes
  2. Wireless networking is a method by which homes, telecommunications networks and enterprise (business) installations avoid the costly process of introducing cables into a building, or as a connection between various equipment locations
  3. Wirelesstelecommunications networks are generally implemented and administered using radio communication. This implementation takes place at the physical level (layer) of the OSI model network structure.



4.Examples of wireless networks include cell phone networks, Wireless local area networks (WLANs), wireless sensor networks, satellite communication networks, and terrestrialmicrowave networks.
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Wireless network:

Wireless icon
A wireless network is any type of computer network that uses wireless data connections for connecting network nodes[1]
Wireless networking is a method by which homes, telecommunications networks and enterprise (business) installations avoid the costly process of introducing cables into a building, or as a connection between various equipment locations.[2] Wirelesstelecommunications networks are generally implemented and administered using radio communication. This implementation takes place at the physical level (layer) of the OSI model network structure.[3]
Examples of wireless networks include cell phone networks, Wireless local area networks (WLANs), wireless sensor networks, satellite communication networks, and terrestrialmicrowave networks.[4]
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Wireless network

From Wikipedia, the free encyclopedia
Wireless icon
A wireless network is any type of computer network that uses wireless data connections for connecting network nodes[1]
Wireless networking is a method by which homes, telecommunications networks and enterprise (business) installations avoid the costly process of introducing cables into a building, or as a connection between various equipment locations.[2] Wirelesstelecommunications networks are generally implemented and administered using radio communication. This implementation takes place at the physical level (layer) of the OSI model network structure.[3]
Examples of wireless networks include cell phone networks, Wireless local area networks (WLANs), wireless sensor networks, satellite communication networks, and terrestrialmicrowave networks.[4]
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Contents

 :


 
  • 1.History


  • 2.Wireless links


  • 3.Types of wireless networks


    • 3.1Wireless PAN

    • 3.2Wireless LAN


    • 3.3Wireless Ad Hoc Networks


    • 3.4Wireless MAN


    • 3.5Wireless WAN


    • 3.6Global area network


    • 3.7Space network





  • 4.Different uses


  • 5.Properties


    • 5.1General


    • 5.2Performance


    • 5.3Space


    • 5.4Home


    • 5.5Wireless Network Elements


    • 5.6Difficulties


      • 5.6.1Interferences


      • 5.6.2Absorption and reflection


      • 5.6.3Multipath fading


      • 5.6.4Hidden node problem


      • 5.6.5Shared resource problem


    • 5.7Capacity


      • 5.7.1Channel


      • 5.7.2Network


  • 6.Safety


  • 7.See also

  • 8.References

  • 9.Further reading
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History:







  • The first professional wireless network was developed under the brand ALOHAnet in 1969 at the university of Hawaii.



  •  It became operational in June, 1971. 



  • The first commercial wireless network was the WaveLAN productfamliy, developed byNCR in 1986.
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