Cognitive radio is an emerging intelligent wireless communication technology with the advance of wireless communication. The problem of bandwidth has become out as a way to solve this problem by allowing the unlicensed users to use the licensed bands. A limited available spectrum put to a lot of limitations by the exceeding demand of wireless application. Cognitive radio is one
such technique to solve such spectrum problem. Different spectrum sensing methods are available in the cognitive radio. Energy detection is a one of the method in spectrum sensing. It is used to analysis the frequency spectrum, the primary user(licensed person) present or not, while primary user not present that ...
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