Saturday, July 5, 2014

Shannon's Law

Shannon's Law, formulated by Claude Shannon , a mathematician who helped build the foundations for the modern computer, is a statement in information theory that expresses the maximum possible data speed that can be obtained in a data channel.

The law, formulated by Claude Shannon of Bell Telephone Labs, says that the data capacity, in bits per second, is a function of the bandwidth, the signal strength, and the noise in the channel.

 c = b log2 (1 + s)

No practical communications system has yet been devised that can operate at close to the theoretical speed limit defined by Shannon's law.

But DIDO allows each user to communicate, in theory, up to the full Shannon limit of the channel.

Distributed-Input-Distributed-Output (DIDO) wireless technology is a breakthrough approach that allows each wireless user to use the full data rate1  of shared spectrum simultaneously with all other users, by eliminating interference between users sharing the same spectrum.


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