Re: [Discuss-gnuradio] OFDM SNR

2014-04-11 Thread Martin Braun
On 04/10/2014 01:33 PM, Piotr Potocki wrote: > First thanks for helping me out! > > 1. I found out that in file 'ofdm_equalizer_simpledfe' there is a part > concerning mapping samples into correct positions (-1,1). > > // > d_constellation->map_to_points(d_constellation->decision_maker(&sym_eq),

Re: [Discuss-gnuradio] OFDM SNR

2014-03-31 Thread Martin Braun
On 03/31/2014 01:03 PM, Piotr Potocki wrote: > 1. I want to estimate SNR using IQ samples. But when I receive IQ > samples on the receiver (img iq_samples_eq) they are all "perfect". So > my first question is, is there some kind of "hard decision" in OFDM > Frame Equalizer? Without OFDM Frame Equal