On Tue, Aug 27, 2013 at 09:28:44AM +0200, Stefano Banti wrote:
> Hi all,
> the above method in gnuradio 3.6.5.1 and 3.7.0 seems to have an error, shown
> below:
>
> if (...){
> }
> else {
> sym_eq = frame[i*d_fft_len+k] / d_channel_state[k];
> d_constellation->map_to_points(d_constellation->decision_maker(&
> sym_eq), &sym_est);
> d_channel_state[k] = d_alpha * d_channel_state[k] + frame
> [i*d_fft_len+k] / sym_est;
> frame[i*d_fft_len+k] = sym_est;
> }
>
> but it should be: d_channel_state[k] = d_alpha * d_channel_state[k] +
> (1-d_alpha)* frame[i*d_fft_len+k] / sym_est;Hi Stefano, looks like you're right. Will fix this. MB -- Karlsruhe Institute of Technology (KIT) Communications Engineering Lab (CEL) Dipl.-Ing. Martin Braun Research Associate Kaiserstraße 12 Building 05.01 76131 Karlsruhe Phone: +49 721 608-43790 Fax: +49 721 608-46071 www.cel.kit.edu KIT -- University of the State of Baden-Württemberg and National Laboratory of the Helmholtz Association
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