Alamouti STBC

Alamouti Space Time Block Coding (STBC).

How to do the simulation for BER in Alamouti STBC.

http://www.dsplog.com/2008/10/16/alamouti-stbc/

PLL tracking using costas loop

It is widely used in software defined radio and USRP.

The module in USRP is: gr_costas_loop_cc
http://rfdesign.com/images/archive/0102Feigin20.pdf