• Wi-Fi Standards
  • Strengths of Wi-Fi
  • Weaknesses of Wi-Fi
  • Wi-Fi: The Predecessor of WiMax




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    Wi-Fi: The Predecessor of WiMax

    • Wi-Fi (Wireless Fidelity) is a set of technologies that are based on the IEEE 802.11a,b, and g standards.
    • Wi-Fi is considered to be one of the first widely deployed fixed broadband wireless networks.
    • The Wi-Fi architecture consists of a base station that wireless hosts connect to in order to access network resources.
    • As long as the users remain within 300 feet of the fixed wireless access point, they can maintain broadband wireless connectivity.

    Wi-Fi Standards

    • Standard
    • Throughput
    • Range
    • Frequency
    • 802.11a
    • Up to 54 Mbps
    • Up to 300 ft
    • Between 5 and 6 Ghz
    • 802.11b
    • Up to 11 Mbps
    • Up to 300 ft
    • 2.4 Ghz
    • 802.11g
    • Up to 54 Mbps
    • Up to 300 ft
    • 2.4 Ghz

    Strengths of Wi-Fi

    • Simplicity and ease of deployment given that it uses unlicensed radio spectrum which does not require regulatory approval.
    • Cost of rolling out this wireless solution is low.
    • Users are able to be mobile for up to 300 feet from the access point.
    • There are many Wi-Fi compatible products that are available at a low cost and can interoperate with other network technologies. Wi-Fi clients can work seamlessly in other countries with minimal configuration.

    Weaknesses of Wi-Fi

    • Limited level of mobility.
    • Susceptible to interference.
    • Designed technically for short-range operations and basically an indoors technology.
    • Security is a concern.

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