Decode and forward-relaying technique

Hi, can any one please help me to find the script of decode and forward strategy when using a relay station to transmit a signal from s1 to s2,in order to compare its SNR and BER to no-relay transmission ones please, i will be thankful

[meena]

can you please give coding for

[Sad Tal]

hey, if you have the code, please share. i need it..

[pyla nihitha]

can anyone help me to get the code for decode and forward relay in rayleigh channel