From 5eb9e1f421d30155dc57a2b8d56a34e70764a86f Mon Sep 17 00:00:00 2001 From: francescomani Date: Wed, 26 Jan 2022 10:31:10 +0100 Subject: [PATCH] compute Y every time --- .../LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c | 4 ++-- .../LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c | 4 ++-- .../NR_MAC_gNB/gNB_scheduler_primitives.c | 18 ++++++++---------- .../LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c | 6 +++--- openair2/LAYER2/NR_MAC_gNB/mac_proto.h | 2 ++ openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h | 1 - 6 files changed, 17 insertions(+), 18 deletions(-) diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c index 8c3b839f5a..0e98f4d3c9 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c @@ -613,7 +613,7 @@ bool allocate_dl_retransmission(module_id_t module_id, /* Find a free CCE */ const int cid = sched_ctrl->coreset->controlResourceSetId; - const uint16_t Y = RC.nrmac[module_id]->UE_info.Y[UE_id][cid%3][slot]; + const uint16_t Y = get_Y(cid%3, slot, UE_info->rnti[UE_id]); uint8_t nr_of_candidates; for (int i=0; i<5; i++) { // for now taking the lowest value among the available aggregation levels @@ -775,7 +775,7 @@ void pf_dl(module_id_t module_id, /* Find a free CCE */ const int cid = sched_ctrl->coreset->controlResourceSetId; - const uint16_t Y = RC.nrmac[module_id]->UE_info.Y[UE_id][cid%3][slot]; + const uint16_t Y = get_Y(cid%3, slot, UE_info->rnti[UE_id]); uint8_t nr_of_candidates; for (int i=0; i<5; i++) { // for now taking the lowest value among the available aggregation levels diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c index 8f32cf136e..c447708125 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c @@ -345,7 +345,7 @@ void nr_preprocessor_phytest(module_id_t module_id, AssertFatal(nr_of_candidates>0,"nr_of_candidates is 0\n"); const int cid = sched_ctrl->coreset->controlResourceSetId; - const uint16_t Y = UE_info->Y[UE_id][cid%3][slot]; + const uint16_t Y = get_Y(cid%3, slot, UE_info->rnti[UE_id]); int CCEIndex = find_pdcch_candidate(RC.nrmac[module_id], CC_id, @@ -511,7 +511,7 @@ bool nr_ul_preprocessor_phytest(module_id_t module_id, frame_t frame, sub_frame_ AssertFatal(nr_of_candidates>0,"nr_of_candidates is 0\n"); const int cid = sched_ctrl->coreset->controlResourceSetId; - const uint16_t Y = UE_info->Y[UE_id][cid%3][slot]; + const uint16_t Y = get_Y(cid%3, slot, UE_info->rnti[UE_id]); int CCEIndex = find_pdcch_candidate(nr_mac, CC_id, diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c index 4f3e04bd07..89e8d344ed 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c @@ -1936,19 +1936,18 @@ int find_nr_UE_id(module_id_t mod_idP, rnti_t rntiP) return -1; } -void set_Y(int Y[3][160], rnti_t rnti) { +uint16_t get_Y(int cid, int slot, rnti_t rnti) { + const int A[3] = {39827, 39829, 39839}; const int D = 65537; + int Y; - Y[0][0] = (A[0] * rnti) % D; - Y[1][0] = (A[1] * rnti) % D; - Y[2][0] = (A[2] * rnti) % D; + Y = (A[cid] * rnti) % D; - for (int s = 1; s < 160; s++) { - Y[0][s] = (A[0] * Y[0][s - 1]) % D; - Y[1][s] = (A[1] * Y[1][s - 1]) % D; - Y[2][s] = (A[2] * Y[2][s - 1]) % D; - } + for (int s = 0; s < slot; s++) + Y = (A[cid] * Y) % D; + + return Y; } int find_nr_RA_id(module_id_t mod_idP, int CC_idP, rnti_t rntiP) { @@ -2032,7 +2031,6 @@ int add_new_nr_ue(module_id_t mod_idP, rnti_t rntiP, NR_CellGroupConfig_t *CellG UE_info->CellGroup[UE_id] = CellGroup; add_nr_list(&UE_info->list, UE_id); memset(&UE_info->mac_stats[UE_id], 0, sizeof(NR_mac_stats_t)); - set_Y(UE_info->Y[UE_id], rntiP); if (CellGroup && CellGroup->spCellConfig && CellGroup->spCellConfig && CellGroup->spCellConfig->spCellConfigDedicated) compute_csi_bitlen (CellGroup->spCellConfig->spCellConfigDedicated->csi_MeasConfig->choice.setup, UE_info, UE_id, mod_idP); NR_UE_sched_ctrl_t *sched_ctrl = &UE_info->UE_sched_ctrl[UE_id]; diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c index 8db8062280..e4fcecf059 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c @@ -1012,7 +1012,7 @@ bool allocate_ul_retransmission(module_id_t module_id, /* Find a free CCE */ const int cid = sched_ctrl->coreset->controlResourceSetId; - const uint16_t Y = RC.nrmac[module_id]->UE_info.Y[UE_id][cid%3][slot]; + const uint16_t Y = get_Y(cid%3, slot, UE_info->rnti[UE_id]); uint8_t nr_of_candidates; for (int i=0; i<5; i++) { // for now taking the lowest value among the available aggregation levels @@ -1158,7 +1158,7 @@ void pf_ul(module_id_t module_id, /* if no data, pre-allocate 5RB */ /* Find a free CCE */ const int cid = sched_ctrl->coreset->controlResourceSetId; - const uint16_t Y = RC.nrmac[module_id]->UE_info.Y[UE_id][cid%3][slot]; + const uint16_t Y = get_Y(cid%3, slot, UE_info->rnti[UE_id]); uint8_t nr_of_candidates; for (int i=0; i<5; i++) { // for now taking the lowest value among the available aggregation levels @@ -1268,7 +1268,7 @@ void pf_ul(module_id_t module_id, NR_UE_sched_ctrl_t *sched_ctrl = &UE_info->UE_sched_ctrl[UE_id]; const int cid = sched_ctrl->coreset->controlResourceSetId; - const uint16_t Y = RC.nrmac[module_id]->UE_info.Y[UE_id][cid%3][slot]; + const uint16_t Y = get_Y(cid%3, slot, UE_info->rnti[UE_id]); uint8_t nr_of_candidates; for (int i=0; i<5; i++) { // for now taking the lowest value among the available aggregation levels diff --git a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h index 4b876fcf04..ed125fddb0 100644 --- a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h +++ b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h @@ -318,6 +318,8 @@ void nr_set_pusch_semi_static(const NR_ServingCellConfigCommon_t *scc, uint8_t num_dmrs_cdm_grps_no_data, NR_pusch_semi_static_t *ps); +uint16_t get_Y(int cid, int slot, rnti_t rnti); + uint8_t nr_get_tpc(int target, uint8_t cqi, int incr); int get_spf(nfapi_nr_config_request_scf_t *cfg); diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h index 1073cef16c..ac0711e936 100644 --- a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h +++ b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h @@ -669,7 +669,6 @@ typedef struct { rnti_t rnti[MAX_MOBILES_PER_GNB]; NR_CellGroupConfig_t *CellGroup[MAX_MOBILES_PER_GNB]; /// CCE indexing - int Y[MAX_MOBILES_PER_GNB][3][160]; int m[MAX_MOBILES_PER_GNB]; // UE selected beam index uint8_t UE_beam_index[MAX_MOBILES_PER_GNB];