diff options
Diffstat (limited to 'gr-channels/lib/selective_fading_model_impl.cc')
| -rw-r--r-- | gr-channels/lib/selective_fading_model_impl.cc | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gr-channels/lib/selective_fading_model_impl.cc b/gr-channels/lib/selective_fading_model_impl.cc index dfd7b74ca9..be9c0b1f3a 100644 --- a/gr-channels/lib/selective_fading_model_impl.cc +++ b/gr-channels/lib/selective_fading_model_impl.cc @@ -82,6 +82,13 @@ namespace gr { const gr_complex* in = (const gr_complex*) input_items[0]; gr_complex* out = (gr_complex*) output_items[0]; + // pregenerate fading components + std::vector<std::vector<gr_complex> > fading_taps; + for(size_t j=0; j<d_faders.size(); j++){ + fading_taps.push_back( std::vector<gr_complex>() ); + d_faders[j]->next_samples(fading_taps[j], noutput_items); + } + // loop over each output sample for(int i=0; i<noutput_items; i++){ @@ -92,7 +99,8 @@ namespace gr { // add each flat fading component to the taps for(size_t j=0; j<d_faders.size(); j++){ - gr_complex ff_H(d_faders[j]->next_sample()); + gr_complex ff_H(fading_taps[j][i]); + //gr_complex ff_H(d_faders[j]->next_sample()); for(size_t k=0; k<d_taps.size(); k++){ float dist = k-d_delays[j]; float interpmag = d_sintable.sinc(2*M_PI*dist); |