Cognitive Radio (CR) is a regulated technique for opportunistic access of idle resources. In
CR, Spectrum sensing is one of its important key functionalities. It is used to sense the …

Cognitive Radio (CR) is an intelligent technique for opportunistic access of idle resources. In
CR, Spectrum sensing is one of its important key functionalities. It is used to sense the …

For its simplicity and ease of implementation, Energy detection (ED) is attractive for spectrum
sensing in cognitive radio (CR) systems. In ED, the energy captured is compared against a …

Spectrum scarcity became a serious problem in recent years, due to the multitude of
communication systems requiring frequency resources. Cognitive Radio (CR) technology …

The problem of spectrum sensing has acquired new aspects with cognitive radio technology.
The spectrum sensing is used to determine unused spectrum and to utilize those spectrums …

Cognitive radio (CR) offers solution to the problem of spectrum underutilization by
opportunistic spectrum access. Spectrum sensing is one of the important functions of CR as …

Cognitive radios (CR) are regarded as a viable solution to enabling flexible use of the
frequency spectrum in future generations of wireless systems by taking advantage of …

In cognitive radio systems, secondary users should determine correctly whether the primary
user is absent or not in a certain spectrum within a short detection period. Spectrum …

Cognitive Radio has arrested the attention of researchers for the simple reason of optimum
utilization of available spectrum of wireless communication in the recent scenario. The …

Cognitive radio systems offer the opportunity to improve the spectrum utilization by detecting
unused frequency bands while avoiding interference to primary users. This paper proposes …