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added a PRB-based channel estimation. It averages the 4/6 DMRS LS channel estimates and uses a single value per PRB. Improves performance of high MCS

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PHY_VARS_NR_UE now has a flag fd_lin_interpolation which turns this on/off. By default it uses the "new" method.
This commit is contained in:
Raymond Knopp
2021-02-22 12:26:42 +01:00
parent e14786b301
commit d26d60300e
4 changed files with 299 additions and 207 deletions
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openair1/SIMULATION/NR_PHY/dlsim.c
+1 -1
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@@ -1168,7 +1168,7 @@ int main(int argc, char **argv)
LOG_M("rxsig0.m","rxs0", UE->common_vars.rxdata[0], frame_length_complex_samples, 1, 1);
if (UE->frame_parms.nb_antennas_rx>1)
LOG_M("rxsig1.m","rxs1", UE->common_vars.rxdata[1], frame_length_complex_samples, 1, 1);
LOG_M("chestF0.m","chF0",UE->pdsch_vars[0][0]->dl_ch_estimates_ext,N_RB_DL*12*14,1,1);
LOG_M("chestF0.m","chF0",&UE->pdsch_vars[0][0]->dl_ch_estimates_ext[0][0],g_rbSize*12*14,1,1);
write_output("rxF_comp.m","rxFc",&UE->pdsch_vars[0][0]->rxdataF_comp0[0][0],N_RB_DL*12*14,1,1);
LOG_M("rxF_llr.m","rxFllr",UE->pdsch_vars[UE_proc.thread_id][0]->llr[0],available_bits,1,0);
break;