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@ -13,14 +13,14 @@
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#include "srsgnb/hdr/stack/rrc/rrc_nr_config_utils.h"
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#include "srsran/common/band_helper.h"
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#define RETURN_IF_ERROR(x) \
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#define HANDLE_ERROR(x) \
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do { \
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if (x != SRSRAN_SUCCESS) { \
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return SRSRAN_ERROR; \
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} \
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} while (0)
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#define RETURN_IF_NOT(x, fmt, ...) \
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#define ERROR_IF_NOT(x, fmt, ...) \
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do { \
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if (not(x)) { \
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fprintf(stderr, "ERROR: " fmt "\n", ##__VA_ARGS__); \
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@ -112,7 +112,7 @@ int derive_coreset0_params(rrc_cell_cfg_nr_t& cell)
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cell.phy_cell.carrier.scs,
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cell.coreset0_idx,
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&cell.phy_cell.pdcch.coreset[0]);
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RETURN_IF_NOT(ret == SRSRAN_SUCCESS, "Failed to generate CORESET#0");
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ERROR_IF_NOT(ret == SRSRAN_SUCCESS, "Failed to generate CORESET#0");
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return SRSRAN_SUCCESS;
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}
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@ -125,11 +125,11 @@ int derive_ssb_params(bool is_sa,
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srsran_ssb_cfg_t& ssb)
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{
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// Verify essential parameters are specified and valid
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RETURN_IF_NOT(dl_arfcn > 0, "Invalid DL ARFCN=%d", dl_arfcn);
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RETURN_IF_NOT(band > 0, "Band is a mandatory parameter");
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RETURN_IF_NOT(pdcch_scs < srsran_subcarrier_spacing_invalid, "Invalid carrier SCS");
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RETURN_IF_NOT(coreset0_idx < 15, "Invalid controlResourceSetZero");
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RETURN_IF_NOT(nof_prb > 0, "Invalid DL number of PRBS=%d", nof_prb);
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ERROR_IF_NOT(dl_arfcn > 0, "Invalid DL ARFCN=%d", dl_arfcn);
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ERROR_IF_NOT(band > 0, "Band is a mandatory parameter");
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ERROR_IF_NOT(pdcch_scs < srsran_subcarrier_spacing_invalid, "Invalid carrier SCS");
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ERROR_IF_NOT(coreset0_idx < 15, "Invalid controlResourceSetZero");
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ERROR_IF_NOT(nof_prb > 0, "Invalid DL number of PRBS=%d", nof_prb);
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srsran::srsran_band_helper band_helper;
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@ -160,16 +160,16 @@ int derive_ssb_params(bool is_sa,
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if (is_sa) {
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// Get offset in RBs between CORESET#0 and SSB
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coreset0_rb_offset = srsran_coreset0_ssb_offset(coreset0_idx, ssb.scs, pdcch_scs);
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RETURN_IF_NOT(coreset0_rb_offset >= 0, "Failed to compute RB offset between CORESET#0 and SSB");
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ERROR_IF_NOT(coreset0_rb_offset >= 0, "Failed to compute RB offset between CORESET#0 and SSB");
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} else {
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// TODO: Verify if specified SSB frequency is valid
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}
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uint32_t ssb_abs_freq_point =
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band_helper.get_abs_freq_ssb_arfcn(band, ssb.scs, dl_absolute_freq_point_a, coreset0_rb_offset);
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RETURN_IF_NOT(ssb_abs_freq_point > 0,
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"Can't derive SSB freq point for dl_arfcn=%d and band %d",
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band_helper.freq_to_nr_arfcn(dl_freq_hz),
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band);
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ERROR_IF_NOT(ssb_abs_freq_point > 0,
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"Can't derive SSB freq point for dl_arfcn=%d and band %d",
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band_helper.freq_to_nr_arfcn(dl_freq_hz),
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band);
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// Convert to frequency for PHY
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ssb.ssb_freq_hz = band_helper.nr_arfcn_to_freq(ssb_abs_freq_point);
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@ -189,7 +189,7 @@ int derive_ssb_params(bool is_sa,
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int derive_phy_cell_freq_params(uint32_t dl_arfcn, uint32_t ul_arfcn, phy_cell_cfg_nr_t& phy_cell)
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{
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// Verify essential parameters are specified and valid
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RETURN_IF_NOT(dl_arfcn > 0, "DL ARFCN is a mandatory parameter");
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ERROR_IF_NOT(dl_arfcn > 0, "DL ARFCN is a mandatory parameter");
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// Use helper class to derive NR carrier parameters
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srsran::srsran_band_helper band_helper;
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@ -205,7 +205,7 @@ int derive_phy_cell_freq_params(uint32_t dl_arfcn, uint32_t ul_arfcn, phy_cell_c
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if (ul_arfcn == 0) {
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// derive UL ARFCN from given DL ARFCN
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ul_arfcn = band_helper.get_ul_arfcn_from_dl_arfcn(dl_arfcn);
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RETURN_IF_NOT(ul_arfcn > 0, "Can't derive UL ARFCN from DL ARFCN %d", dl_arfcn);
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ERROR_IF_NOT(ul_arfcn > 0, "Can't derive UL ARFCN from DL ARFCN %d", dl_arfcn);
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}
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phy_cell.ul_freq_hz = band_helper.nr_arfcn_to_freq(ul_arfcn);
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}
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@ -220,9 +220,9 @@ int derive_phy_cell_freq_params(uint32_t dl_arfcn, uint32_t ul_arfcn, phy_cell_c
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int set_derived_nr_cell_params(bool is_sa, rrc_cell_cfg_nr_t& cell)
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{
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// Verify essential parameters are specified and valid
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RETURN_IF_NOT(cell.dl_arfcn > 0, "DL ARFCN is a mandatory parameter");
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RETURN_IF_NOT(cell.band > 0, "Band is a mandatory parameter");
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RETURN_IF_NOT(cell.phy_cell.carrier.nof_prb > 0, "Number of PRBs is a mandatory parameter");
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ERROR_IF_NOT(cell.dl_arfcn > 0, "DL ARFCN is a mandatory parameter");
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ERROR_IF_NOT(cell.band > 0, "Band is a mandatory parameter");
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ERROR_IF_NOT(cell.phy_cell.carrier.nof_prb > 0, "Number of PRBs is a mandatory parameter");
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// Use helper class to derive NR carrier parameters
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srsran::srsran_band_helper band_helper;
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@ -230,7 +230,7 @@ int set_derived_nr_cell_params(bool is_sa, rrc_cell_cfg_nr_t& cell)
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if (cell.ul_arfcn == 0) {
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// derive UL ARFCN from given DL ARFCN
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cell.ul_arfcn = band_helper.get_ul_arfcn_from_dl_arfcn(cell.dl_arfcn);
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RETURN_IF_NOT(cell.ul_arfcn > 0, "Can't derive UL ARFCN from DL ARFCN %d", cell.dl_arfcn);
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ERROR_IF_NOT(cell.ul_arfcn > 0, "Can't derive UL ARFCN from DL ARFCN %d", cell.dl_arfcn);
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}
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// duplex mode
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@ -329,15 +329,19 @@ int set_derived_nr_cell_params(bool is_sa, rrc_cell_cfg_nr_t& cell)
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int check_nr_cell_cfg_valid(const rrc_cell_cfg_nr_t& cell, bool is_sa)
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{
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// verify SSB params are consistent
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RETURN_IF_NOT(cell.ssb_cfg.center_freq_hz == cell.phy_cell.dl_freq_hz, "Invalid SSB param generation");
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RETURN_IF_ERROR(check_nr_phy_cell_cfg_valid(cell.phy_cell));
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ERROR_IF_NOT(cell.ssb_cfg.center_freq_hz == cell.phy_cell.dl_freq_hz, "Invalid SSB param generation");
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HANDLE_ERROR(check_nr_phy_cell_cfg_valid(cell.phy_cell));
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if (is_sa) {
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ERROR_IF_NOT(cell.phy_cell.pdcch.coreset_present[0], "CORESET#0 must be defined in Standalone mode");
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}
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return SRSRAN_SUCCESS;
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}
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int check_nr_phy_cell_cfg_valid(const phy_cell_cfg_nr_t& phy_cell)
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{
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RETURN_IF_ERROR(check_nr_pdcch_cfg_valid(phy_cell.pdcch));
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HANDLE_ERROR(check_nr_pdcch_cfg_valid(phy_cell.pdcch));
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return SRSRAN_SUCCESS;
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}
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@ -348,16 +352,27 @@ int check_nr_pdcch_cfg_valid(const srsran_pdcch_cfg_nr_t& pdcch)
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for (uint32_t ss_id = 0; ss_id < SRSRAN_UE_DL_NR_MAX_NOF_SEARCH_SPACE; ++ss_id) {
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if (pdcch.search_space_present[ss_id]) {
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const srsran_search_space_t& ss = pdcch.search_space[ss_id];
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RETURN_IF_NOT(ss.id == ss_id, "SearchSpace#%d should match list index", ss_id);
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ERROR_IF_NOT(ss.id == ss_id, "SearchSpace#%d should match list index", ss_id);
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uint32_t cs_id = ss.coreset_id;
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RETURN_IF_NOT(pdcch.coreset_present[cs_id], "SearchSpace#%d points to absent CORESET#%d", ss_id, cs_id);
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ERROR_IF_NOT(pdcch.coreset_present[cs_id], "SearchSpace#%d points to absent CORESET#%d", ss_id, cs_id);
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used_coresets[cs_id] = true;
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}
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}
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// Verify CORESET id
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for (uint32_t cs_id = 0; cs_id < SRSRAN_UE_DL_NR_MAX_NOF_CORESET; ++cs_id) {
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RETURN_IF_NOT(pdcch.coreset_present[cs_id] == used_coresets[cs_id], "CORESET#%d is configured but not used", cs_id);
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ERROR_IF_NOT(pdcch.coreset_present[cs_id] == used_coresets[cs_id], "CORESET#%d is configured but not used", cs_id);
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}
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return SRSRAN_SUCCESS;
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}
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int check_rrc_nr_cfg_valid(const rrc_nr_cfg_t& cfg)
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{
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ERROR_IF_NOT(cfg.cell_list.size() > 0, "The number of NR cells must be positive");
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for (const rrc_cell_cfg_nr_t& cell : cfg.cell_list) {
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HANDLE_ERROR(check_nr_cell_cfg_valid(cell, cfg.is_standalone));
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}
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return SRSRAN_SUCCESS;
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