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added no_DTX function to eNB. This fills the TX subframes which have no PDSCH with a fake pdsch. It avoids switching between TX/RX in TDD systems during the DL periods.

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This commit is contained in:
Raymond Knopp
2020-12-02 20:15:38 +01:00
parent 687d151bfd
commit 895f54a938
4 changed files with 39 additions and 1 deletions
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openair1/SCHED/phy_procedures_lte_eNb.c
+5 -1
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@@ -521,7 +521,11 @@ void phy_procedures_eNB_TX(PHY_VARS_eNB *eNB,
// clear the transmit data array for the current subframe
for (aa = 0; aa < fp->nb_antenna_ports_eNB; aa++) {
memset (&eNB->common_vars.txdataF[aa][subframe * fp->ofdm_symbol_size * (fp->symbols_per_tti)], 0, fp->ofdm_symbol_size * (fp->symbols_per_tti) * sizeof (int32_t));
if (eNB->use_DTX==0)
memcpy(&eNB->common_vars.txdataF[aa][subframe * fp->ofdm_symbol_size * (fp->symbols_per_tti)],
&eNB->subframe_mask[aa][subframe*fp->ofdm_symbol_size*fp->symbols_per_tti],
fp->ofdm_symbol_size * (fp->symbols_per_tti) * sizeof (int32_t));
else memset(&eNB->common_vars.txdataF[aa][subframe * fp->ofdm_symbol_size * (fp->symbols_per_tti)], 0, fp->ofdm_symbol_size * (fp->symbols_per_tti) * sizeof (int32_t));
}
if (NFAPI_MODE==NFAPI_MONOLITHIC || NFAPI_MODE==NFAPI_MODE_PNF) {