Can anyone help me find an approximation expression of symbol error rate for BPSK, QPSK, QAM and FSK over AWGN and Fast Fading Rayleigh Channel?

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Aamir Habib

http://www.dsplog.com/

visit this site. it will answer many of your questions

Merima Kulin

Hi,

Here in part II you can find closed-form expressions you need:

https://books.google.be/books?id=OYrDN0Q6BacC&printsec=frontcover&dq=fading+channels&hl=en&sa=X&ei=hsonVa-BNIjUOIrCgJAL&redir_esc=y#v=onepage&q=fading%20channels&f=false

Youssef El Hajj Shehadeh

Maybe this book can help you:

"Wireless communications" Andrea Goldsmith.