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Skip guard bands and null subcarrier in get_csi(). Add beta and csi metadata to stream tag from frame equalizer.

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Anton Ottosson
2021-07-09 19:34:29 +02:00
parent 0b095e0ff7
commit 4a3f387d6d
2 changed files with 12 additions and 1 deletions
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lib/equalizer/base.cc
+10 -1
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@@ -42,5 +42,14 @@ const gr_complex base::POLARITY[127] = {
-1, 1,-1,-1,-1, 1, 1, 1,-1,-1,-1,-1,-1,-1,-1 }; -1, 1,-1,-1,-1, 1, 1, 1,-1,-1,-1,-1,-1,-1,-1 };
const gr_complex* base::get_csi() { const gr_complex* base::get_csi() {
return d_H; static gr_complex csi[52];
int j = 0;
for (int i = 0; i < 64; i++) {
if ((i == 32) || (i < 6) || (i > 58)) {
continue;
}
csi[j] = d_H[i];
j++;
}
return csi;
} }
lib/frame_equalizer_impl.cc
+2
View File
@@ -217,6 +217,8 @@ frame_equalizer_impl::general_work (int noutput_items,
dict = pmt::dict_add(dict, pmt::mp("snr"), pmt::from_double(d_equalizer->get_snr())); dict = pmt::dict_add(dict, pmt::mp("snr"), pmt::from_double(d_equalizer->get_snr()));
dict = pmt::dict_add(dict, pmt::mp("freq"), pmt::from_double(d_freq)); dict = pmt::dict_add(dict, pmt::mp("freq"), pmt::from_double(d_freq));
dict = pmt::dict_add(dict, pmt::mp("freq_offset"), pmt::from_double(d_freq_offset_from_synclong)); dict = pmt::dict_add(dict, pmt::mp("freq_offset"), pmt::from_double(d_freq_offset_from_synclong));
dict = pmt::dict_add(dict, pmt::mp("beta"), pmt::from_double(beta));
dict = pmt::dict_add(dict, pmt::mp("csi"), pmt::init_c32vector(52, d_equalizer->get_csi()));
add_item_tag(0, nitems_written(0) + o, add_item_tag(0, nitems_written(0) + o,
pmt::string_to_symbol("wifi_start"), pmt::string_to_symbol("wifi_start"),
dict, dict,