Re: [Discuss-gnuradio] Benchmark_ofdm_tx Benchmark_ofdm_rx

[Eric Blossom]

On Tue, Jul 01, 2008 at 11:37:22AM +0200, matteo zunino wrote:
> 
> Hi,
> 
> i've a question about these two functions. My aim is to modify these
> benchmarks in order to create a trasmission system that can choose
> to put on a single carrier a BPSK or a QPSK modulation. My problem
> is this one, how can i comunicate to the receiver what carriers are
> BPSk adn what QPSK?
> 
> Thanks a lot

This is typically done by sending some kind of "map" at the low rate
at the beginning of packet.  Take a look at WiMAX to see how
complicated this can get ;)

Eric