i am working on channel estimation for space time coded MIMo OFDM systems.
i considered 2x2 MIMo system. and preamble based channel estiamtion.
whil doing channel estiamtion using preamble absed, i have doubt that whether we have to do space time coding for preamble symbol Also.
PLS GIVE ME SOME GUIDENCE REAGRDING THIS AND PLS SEND ME ANY DOCUMENTS RELATED TO THIS.