This code performs wide band Cooperative Spectrum Sensing under various noise levels. A large number of primary users as well as secondary users are considered.The detection is power spectral density based . This project gives the lower bound for the power level of the PU signa...This code performs wide band Cooperative Spectrum Sensing under various noise levels. A large number of primary users as well as secondary users are considered.The detection is power spectral density based . This project gives the lower bound for the power level of the PU signa-This code performs wide band Cooperative Spectrum Sensing under various noise levels. A large number of primary users as well as secondary users　are considered.The detection is power spectral density based . This project　gives the lower bound for the power level of the PU signa...This code performs wide band Cooperative Spectrum Sensing under various noise levels. A large number of primary users as well as secondary users　are considered.The detection is power spectral density based . This project　gives the lower bound for the power level of the PU signa...