TODAY’S wireless networks are characterized by a static spectrum assignment policy. Recently, due to the increase in spectrum demand, however, this policy is faced with the spectrum scarcity at particular spectrum bands. On the contrary, a large portion of the assigned spectrum is still used sporadically leading to under-utilization of the significant amount of spectrum [1]. The limited available spectrum and the inefficiency in spectrum usage make it necessary to develop a new communication paradigm to exploit the existing wireless spectrum opportunistically. Cognitive radio technology is proposed to solve these current spectrum inefficiency problems

Optimal Spectrum Sensing Framework for.pdf

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