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srsLTE
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PDSCH-NR: Added single layer channel equalization

This commit is contained in:
Xavier Arteaga 2020-11-11 14:17:47 +01:00 committed by Andre Puschmann
parent 0138c3b856
commit bff71761a9
2 changed files with 12 additions and 2 deletions
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1
lib/src/phy/phch/pdsch_nr.c
View File

@ -552,6 +552,7 @@ int srslte_pdsch_nr_decode(srslte_pdsch_nr_t* q,
// Antenna port demapping
// ... Not implemented
srslte_predecoding_single(x[0], channel->ce[0][0], x[0], NULL, nof_re, 1.0f, channel->noise_estimate);
// Layer demapping
if (grant->nof_layers > 1) {

13
lib/src/phy/phch/test/pdsch_nr_test.c
View File

@ -104,8 +104,6 @@ int main(int argc, char** argv)
goto clean_exit;
}
srslte_sch_nr_decoder_cfg_t decoder_cfg = {};
decoder_cfg.disable_simd = false;
if (srslte_pdsch_nr_init_rx(&pdsch_rx) < SRSLTE_SUCCESS) {
ERROR("Error initiating SCH NR for Rx\n");
goto clean_exit;
@ -178,6 +176,11 @@ int main(int argc, char** argv)
mcs_end = SRSLTE_MIN(mcs + 1, mcs_end);
}
if (srslte_chest_dl_res_init(&chest, carrier.nof_prb) < SRSLTE_SUCCESS) {
ERROR("Initiating chest\n");
goto clean_exit;
}
for (n_prb = n_prb_start; n_prb < n_prb_end; n_prb++) {
for (mcs = mcs_start; mcs < mcs_end; mcs++) {
@ -212,6 +215,11 @@ int main(int argc, char** argv)
srslte_softbuffer_rx_reset(pdsch_grant.tb[tb].softbuffer.rx);
}
for (uint32_t i = 0; i < pdsch_grant.tb->nof_re; i++) {
chest.ce[0][0][i] = 1.0f;
}
chest.nof_re = pdsch_grant.tb->nof_re;
if (srslte_pdsch_nr_decode(&pdsch_rx, &pdsch_cfg, &pdsch_grant, &chest, sf_symbols, pdsch_res) < SRSLTE_SUCCESS) {
ERROR("Error encoding\n");
goto clean_exit;
@ -259,6 +267,7 @@ int main(int argc, char** argv)
ret = SRSLTE_SUCCESS;
clean_exit:
srslte_chest_dl_res_free(&chest);
srslte_random_free(rand_gen);
srslte_pdsch_nr_free(&pdsch_tx);
srslte_pdsch_nr_free(&pdsch_rx);