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srsRAN_4G
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Use number of configured cells before reconfiguration for DCI calculation

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master
Ismael Gomez 4 years ago committed by Andre Puschmann
parent e654062a7a
commit a9673e3c53
2 changed files with 30 additions and 13 deletions
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8
srsenb/hdr/phy/phy_ue_db.h
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@ -223,6 +223,14 @@ private:
*/
inline srslte::phy_cfg_t _get_rnti_config(uint16_t rnti, uint32_t enb_cc_idx) const;
/**
* Count number of configured secondary serving cells
*
* @param rnti provides UE identifier
* @return The number of configured secondary cells
*/
inline uint32_t _count_nof_configured_scell(uint16_t rnti);
public:
/**
* Initialises the UE database with the stack and cell list

35
srsenb/src/phy/phy_ue_db.cc
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@ -265,8 +265,11 @@ void phy_ue_db::addmod_rnti(uint16_t rnti, const phy_interface_rrc_lte::phy_rrc_
// Get UE by reference
common_ue& ue = ue_db[rnti];
// Number of configured secondary serving cells
uint32_t nof_configured_scell = 0;
// Number of configured secondary serving cells before applying the reconfiguration
uint32_t nof_configured_scell_before_config = _count_nof_configured_scell(rnti);
// Number of configured secondary serving cells after applying the reconfiguration
uint32_t nof_configured_scell_after_config = 0;
// Iterate PHY RRC configuration for each UE cell/carrier
uint32_t nof_cc = SRSLTE_MIN(phy_cfg_list.size(), SRSLTE_MAX_CARRIERS);
@ -299,7 +302,7 @@ void phy_ue_db::addmod_rnti(uint16_t rnti, const phy_interface_rrc_lte::phy_rrc_
cell_info.state = cell_state_secondary_inactive;
}
// Count Serving cell
nof_configured_scell++;
nof_configured_scell_after_config++;
} else {
// Cell without configuration (except PCell)
cell_info.state = cell_state_none;
@ -318,10 +321,11 @@ void phy_ue_db::addmod_rnti(uint16_t rnti, const phy_interface_rrc_lte::phy_rrc_
for (uint32_t ue_cc_idx = 0; ue_cc_idx < nof_cc; ue_cc_idx++) {
if (ue.cell_info[ue_cc_idx].state == cell_state_primary) {
// The primary cell applies change after reception of ReconfigurationComplete (call to complete_config())
ue.cell_info[ue_cc_idx].phy_cfg.dl_cfg.dci.multiple_csi_request_enabled = false;
ue.cell_info[ue_cc_idx].phy_cfg.dl_cfg.dci.multiple_csi_request_enabled =
(nof_configured_scell_before_config > 0);
} else {
// The rest apply changes directly
ue.cell_info[ue_cc_idx].phy_cfg.dl_cfg.dci.multiple_csi_request_enabled = (nof_configured_scell > 0);
ue.cell_info[ue_cc_idx].phy_cfg.dl_cfg.dci.multiple_csi_request_enabled = (nof_configured_scell_after_config > 0);
}
}
}
@ -335,6 +339,18 @@ void phy_ue_db::rem_rnti(uint16_t rnti)
}
}
uint32_t phy_ue_db::_count_nof_configured_scell(uint16_t rnti)
{
uint32_t nof_configured_scell = 0;
for (uint32_t ue_cc_idx = 0; ue_cc_idx < SRSLTE_MAX_CARRIERS; ue_cc_idx++) {
if (ue_db[rnti].cell_info[ue_cc_idx].state == cell_state_t::cell_state_secondary_inactive ||
ue_db[rnti].cell_info[ue_cc_idx].state == cell_state_t::cell_state_secondary_active) {
nof_configured_scell++;
}
}
return nof_configured_scell;
}
void phy_ue_db::complete_config(uint16_t rnti)
{
std::lock_guard<std::mutex> lock(mutex);
@ -344,14 +360,7 @@ void phy_ue_db::complete_config(uint16_t rnti)
return;
}
// Count number of configured secondary serving cells
uint32_t nof_configured_scell = 0;
for (uint32_t ue_cc_idx = 0; ue_cc_idx < SRSLTE_MAX_CARRIERS; ue_cc_idx++) {
if (ue_db[rnti].cell_info[ue_cc_idx].state == cell_state_t::cell_state_secondary_inactive ||
ue_db[rnti].cell_info[ue_cc_idx].state == cell_state_t::cell_state_secondary_active) {
nof_configured_scell++;
}
}
uint32_t nof_configured_scell = _count_nof_configured_scell(rnti);
// Enable/Disable extended CSI field in DCI according to 3GPP 36.212 R10 5.3.3.1.1 Format 0
for (uint32_t ue_cc_idx = 0; ue_cc_idx < SRSLTE_MAX_CARRIERS; ue_cc_idx++) {

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