Wireless spectrum  control and implication

Posted on 2011-05-11
Last Modified: 2012-05-11
As in the uk and around the world the spectrum is controlled by the goverments what are the implications for the wireless industry and also why is control of the spectrum necessary?

Question by:mc87
    LVL 20

    Expert Comment

    by:Jakob Digranes
    this is for your exam paper??
    LVL 24

    Accepted Solution

    The process of regulating the use of radio frequencies is to allow efficient use of the spectrum. As interesting as it may sound, in most countries, the RF spectrum is the property of the Government. If everyone was using the same frequency without regulation, the entire spectrum would be polluted. The implications for the wireless (802.11a/b/g/n) industry is simple, speaking for the U.S, "All can use, all must share, all must follow the rules and regulations and all must accept any interference encountered". I am sure it is the same for most other countries for unlicensed frequencies. It is necessary to control the frequencies as already mentioned, so that the spectrum is not polluted; if the bands were polluted with transmitters and receivers, everyone would interfere with each other. Additionally, the regulations are needed to ensure adequate power levels are enforced; this is to control the amount of interference based on location and also for safety concerns.  Believe it or not, all frequencies have some limitation on the amount of RF exposure that human tissue can handle  based on the output power of a transmitter.


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