Jun 30, 2007 #1 R rajivn786 Newbie level 2 Joined May 23, 2007 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,302 Hi, Can any one tell me by what factor do I need to multiply with randn command.. to plot BER graph for different values of SNR
Hi, Can any one tell me by what factor do I need to multiply with randn command.. to plot BER graph for different values of SNR
Jul 1, 2007 #2 m_llaa Full Member level 4 Joined Mar 12, 2006 Messages 227 Helped 44 Reputation 88 Reaction score 21 Trophy points 1,298 Location My Love Iran Activity points 2,558 Hi You should multiply the Gaussian noise with sqrt of wanted noise power.
Jul 3, 2007 #3 mar_deepmode Member level 1 Joined May 3, 2007 Messages 36 Helped 15 Reputation 30 Reaction score 8 Trophy points 1,288 Location Lisboa-Portugal Activity points 1,509 rajivn786 said: Hi, Can any one tell me by what factor do I need to multiply with randn command.. to plot BER graph for different values of SNR Click to expand... Hello! If you're using MatLab you can use awgn function and change the SNR values directly.. for example using a "for" cicle. If it so, you can type "help awgn" in MatLab's command window. Cheers, mar_deepmode
rajivn786 said: Hi, Can any one tell me by what factor do I need to multiply with randn command.. to plot BER graph for different values of SNR Click to expand... Hello! If you're using MatLab you can use awgn function and change the SNR values directly.. for example using a "for" cicle. If it so, you can type "help awgn" in MatLab's command window. Cheers, mar_deepmode