S. Ullah, Asad I. Khan, Farhan Ullah, I. Khan, I. Khan, S. Jan
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Abstract
This paper conducts the comparative study of cooperative cognitive radio networks using Decode and Forward (DF) protocol at the relays. The aim of the study is to decrease the uncertain noise along with provision of efficient energy detection technique. Moreover, the detection accuracy and capability of the network in AWGN channel has been investigated by the addition of path loss effect. Multiple relays are used in different scenarios considering distances from source and destination. Path loss exponent is set as 3 and Monte Carlo simulations are performed for the desired results. The proposed system has been evaluated based on the Detection Probability (Pd), Unavailable Probability (Pna) and Collision Probability (Pc).
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