Re: [Discuss-gnuradio] introducing different modulation schemes for each sub carrier in ofdm

[Tom Rondeau]

anma wrote:
> Hi,
>     I am trying to implement ofdm transmission using gnu radio and I want to
> apply different modulation schemes for the different sub carriers. I believe
> the existing code does not support this. Can somebody point out the exact
> location in the source code which needs to be modified for the above
> purpose? Also, is switching on and off of sub carriers possible with the
> existing code?
>
> Thanks in advance,
> anma
>   

Look in gr_ofdm_mapper_bcv and gr_ofdm_demapper_vcb.

Others have worked on this problem, too. Has anyone successfully 
implemented it, yet?

Tom