how can i assume the cyclic frequency paramenter for cyclostationary feature detection??

hi, I am doing project on spectrum sensing in cognitive radio, i have implemented basic program for energy detection technique, but i'm struck with code for cyclostationary detection. i am confused how to assume the cyclic frequency parameter for the detection of random signal...and is there any restriction on assuming primary user signal.... can anyone please suggest ......

[bdas kp]

sir,can u give me the code for cyclic spectrum?

Answer 1

[imtiyaz]

For digital modulated signal with symbol duration Tb, cyclostationary features exist at α = k/Tb and α = ±2fc + k/Tb , where fc is the carrier frequency, and k is an integer.

Answer 2

[RC Reddy]

check this matlab code https://www.mathworks.com/matlabcentral/fileexchange/16742-frequency-estimation---baud-rate-estimation

it uses cyclo stationary methods