From dde3e87938f7c3f92eb178033b8d3a104cdc0d7f Mon Sep 17 00:00:00 2001 From: Francesco Mani Date: Wed, 21 Oct 2020 17:28:12 +0200 Subject: [PATCH] handling csirs and calling the phy function --- openair1/PHY/NR_TRANSPORT/nr_csi_rs.c | 30 +++++++++--------- .../PHY/NR_TRANSPORT/nr_transport_proto.h | 9 +++--- openair1/PHY/defs_gNB.h | 8 +++++ openair1/SCHED_NR/fapi_nr_l1.c | 31 +++++++++++++++++-- openair1/SCHED_NR/fapi_nr_l1.h | 4 +++ openair1/SCHED_NR/phy_procedures_nr_gNB.c | 12 +++++++ openair2/COMMON/platform_constants.h | 1 + 7 files changed, 74 insertions(+), 21 deletions(-) diff --git a/openair1/PHY/NR_TRANSPORT/nr_csi_rs.c b/openair1/PHY/NR_TRANSPORT/nr_csi_rs.c index 8e2119e1d5..f767bdd5c5 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_csi_rs.c +++ b/openair1/PHY/NR_TRANSPORT/nr_csi_rs.c @@ -25,13 +25,16 @@ //#define NR_CSIRS_DEBUG -int nr_generate_csi_rs(uint32_t **gold_csi_rs, - int32_t** txdataF, - int16_t amp, - NR_DL_FRAME_PARMS frame_parms, - nfapi_nr_dl_tti_csi_rs_pdu_rel15_t csi_params) -{ +void nr_generate_csi_rs(PHY_VARS_gNB *gNB, + int16_t amp, + nfapi_nr_dl_tti_csi_rs_pdu_rel15_t csi_params, + int slot){ + + NR_DL_FRAME_PARMS frame_parms=gNB->frame_parms; + uint32_t **gold_csi_rs = gNB->nr_gold_csi_rs[slot]; + int32_t **txdataF = gNB->common_vars.txdataF; + int txdataF_offset = (slot%2)*frame_parms.samples_per_slot_wCP; int16_t mod_csi[frame_parms.symbols_per_slot][NR_MAX_CSI_RS_LENGTH>>1]; uint16_t b = csi_params.freq_domain; uint16_t n, csi_bw, csi_start, p, k, l, mprime, na, kpn, csi_length; @@ -586,16 +589,17 @@ int nr_generate_csi_rs(uint32_t **gold_csi_rs, } // ZP CSI RS if (csi_params.csi_type == 2) { - ((int16_t*)txdataF[p])[(l*frame_parms.ofdm_symbol_size + k)<<1] = 0; - ((int16_t*)txdataF[p])[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = 0; + ((int16_t*)txdataF[p])[((l*frame_parms.ofdm_symbol_size + k)<<1)+(2*txdataF_offset)] = 0; + ((int16_t*)txdataF[p])[((l*frame_parms.ofdm_symbol_size + k)<<1)+1+(2*txdataF_offset)] = 0; } else { - ((int16_t*)txdataF[p])[(l*frame_parms.ofdm_symbol_size + k)<<1] = (beta*wt*wf*mod_csi[l][mprime<<1]) >> 15; - ((int16_t*)txdataF[p])[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = (beta*wt*wf*mod_csi[l][(mprime<<1) + 1]) >> 15; + ((int16_t*)txdataF[p])[((l*frame_parms.ofdm_symbol_size + k)<<1)+(2*txdataF_offset)] = (beta*wt*wf*mod_csi[l][mprime<<1]) >> 15; + ((int16_t*)txdataF[p])[((l*frame_parms.ofdm_symbol_size + k)<<1)+1+(2*txdataF_offset)] = (beta*wt*wf*mod_csi[l][(mprime<<1) + 1]) >> 15; } #ifdef NR_CSIRS_DEBUG - printf("l,k (%d %d) seq. index %d \t port %d \t (%d,%d)\n",l,k-start_sc,mprime,p+3000,((int16_t*)txdataF[p])[(l*frame_parms.ofdm_symbol_size + k)<<1], - ((int16_t*)txdataF[p])[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1]); + printf("l,k (%d %d) seq. index %d \t port %d \t (%d,%d)\n",l,k-start_sc,mprime,p+3000, + ((int16_t*)txdataF[p])[((l*frame_parms.ofdm_symbol_size + k)<<1)+(2*txdataF_offset)], + ((int16_t*)txdataF[p])[((l*frame_parms.ofdm_symbol_size + k)<<1)+1+(2*txdataF_offset)]); #endif } } @@ -603,6 +607,4 @@ int nr_generate_csi_rs(uint32_t **gold_csi_rs, } } } - - return 0; } diff --git a/openair1/PHY/NR_TRANSPORT/nr_transport_proto.h b/openair1/PHY/NR_TRANSPORT/nr_transport_proto.h index 27aa48128a..ec1c262d11 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_transport_proto.h +++ b/openair1/PHY/NR_TRANSPORT/nr_transport_proto.h @@ -326,11 +326,10 @@ void init_prach_list(PHY_VARS_gNB *gNB); void init_prach_ru_list(RU_t *ru); void free_nr_ru_prach_entry(RU_t *ru, int prach_id); -int nr_generate_csi_rs(uint32_t **gold_csi_rs, - int32_t **txdataF, - int16_t amp, - NR_DL_FRAME_PARMS frame_parms, - nfapi_nr_dl_tti_csi_rs_pdu_rel15_t csi_params); +void nr_generate_csi_rs(PHY_VARS_gNB *gNB, + int16_t amp, + nfapi_nr_dl_tti_csi_rs_pdu_rel15_t csi_params, + int slot); void nr_decode_pucch1(int32_t **rxdataF, pucch_GroupHopping_t pucch_GroupHopping, diff --git a/openair1/PHY/defs_gNB.h b/openair1/PHY/defs_gNB.h index 3d73483dfd..3fcc9541fe 100644 --- a/openair1/PHY/defs_gNB.h +++ b/openair1/PHY/defs_gNB.h @@ -118,6 +118,13 @@ typedef struct { nfapi_nr_dl_tti_pdcch_pdu pdcch_pdu; } NR_gNB_PDCCH_t; +typedef struct { + uint8_t active; + int frame; + int slot; + nfapi_nr_dl_tti_csi_rs_pdu csirs_pdu; +} NR_gNB_CSIRS_t; + typedef struct { int frame; int slot; @@ -712,6 +719,7 @@ typedef struct PHY_VARS_gNB_s { NR_gNB_PUSCH *pusch_vars[NUMBER_OF_NR_ULSCH_MAX]; NR_gNB_PUCCH_t *pucch[NUMBER_OF_NR_PUCCH_MAX]; NR_gNB_PDCCH_t pdcch_pdu[NUMBER_OF_NR_PDCCH_MAX]; + NR_gNB_CSIRS_t csirs_pdu[NUMBER_OF_NR_CSIRS_MAX]; NR_gNB_UL_PDCCH_t ul_pdcch_pdu[NUMBER_OF_NR_PDCCH_MAX]; NR_gNB_DLSCH_t *dlsch[NUMBER_OF_NR_DLSCH_MAX][2]; // Nusers times two spatial streams NR_gNB_ULSCH_t *ulsch[NUMBER_OF_NR_ULSCH_MAX][2]; // [Nusers times][2 codewords] diff --git a/openair1/SCHED_NR/fapi_nr_l1.c b/openair1/SCHED_NR/fapi_nr_l1.c index 84490bfad4..e6176a87a1 100644 --- a/openair1/SCHED_NR/fapi_nr_l1.c +++ b/openair1/SCHED_NR/fapi_nr_l1.c @@ -98,10 +98,9 @@ void handle_nfapi_nr_pdcch_pdu(PHY_VARS_gNB *gNB, nr_fill_dci(gNB,frame,slot,pdcch_pdu); - - } + void handle_nfapi_nr_ul_dci_pdu(PHY_VARS_gNB *gNB, int frame, int slot, nfapi_nr_ul_dci_request_pdus_t *ul_dci_request_pdu) { @@ -115,6 +114,28 @@ void handle_nfapi_nr_ul_dci_pdu(PHY_VARS_gNB *gNB, } + +void handle_nfapi_nr_csirs_pdu(PHY_VARS_gNB *gNB, + int frame, int slot, + nfapi_nr_dl_tti_csi_rs_pdu *csirs_pdu) { + + int found = 0; + + for (int id=0; idcsirs_pdu[id]; + if (csirs->active == 0) { + csirs->frame = frame; + csirs->slot = slot; + csirs->active = 1; + memcpy((void*)&csirs->csirs_pdu, (void*)csirs_pdu, sizeof(nfapi_nr_dl_tti_csi_rs_pdu)); + found = 1; + } + } + if (found == 0) + LOG_E(MAC,"CSI-RS list is full\n"); +} + + void handle_nr_nfapi_pdsch_pdu(PHY_VARS_gNB *gNB,int frame,int slot, nfapi_nr_dl_tti_pdsch_pdu *pdsch_pdu, uint8_t *sdu) @@ -184,6 +205,12 @@ void nr_schedule_response(NR_Sched_Rsp_t *Sched_INFO){ pdcch_received = 1; break; + case NFAPI_NR_DL_TTI_CSI_RS_PDU_TYPE: + LOG_D(PHY,"frame %d, slot %d, Got NFAPI_NR_DL_TTI_CSI_RS_PDU_TYPE for %d.%d\n",frame,slot,DL_req->SFN,DL_req->Slot); + handle_nfapi_nr_csirs_pdu(gNB, + frame, slot, + &dl_tti_pdu->csi_rs_pdu); + break; case NFAPI_NR_DL_TTI_PDSCH_PDU_TYPE: { diff --git a/openair1/SCHED_NR/fapi_nr_l1.h b/openair1/SCHED_NR/fapi_nr_l1.h index d66d6e7b24..cd4aa06623 100644 --- a/openair1/SCHED_NR/fapi_nr_l1.h +++ b/openair1/SCHED_NR/fapi_nr_l1.h @@ -38,6 +38,10 @@ void nr_schedule_response(NR_Sched_Rsp_t *Sched_INFO); +void handle_nfapi_nr_csirs_pdu(PHY_VARS_gNB *gNB, + int frame, int slot, + nfapi_nr_dl_tti_csi_rs_pdu *csirs_pdu); + void handle_nfapi_nr_pdcch_pdu(PHY_VARS_gNB *gNB, int frame, int subframe, nfapi_nr_dl_tti_pdcch_pdu *dcl_dl_pdu); diff --git a/openair1/SCHED_NR/phy_procedures_nr_gNB.c b/openair1/SCHED_NR/phy_procedures_nr_gNB.c index 38ed59e18f..275d7050fa 100644 --- a/openair1/SCHED_NR/phy_procedures_nr_gNB.c +++ b/openair1/SCHED_NR/phy_procedures_nr_gNB.c @@ -197,6 +197,18 @@ void phy_procedures_gNB_TX(PHY_VARS_gNB *gNB, VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_GENERATE_DLSCH,0); } + + for (int i=0;icsirs_pdu[i]; + if ((csirs->active == 1) && + (csirs->frame == frame) && + (csirs->slot == slot) ) { + LOG_D(PHY, "CSI-RS generation started in frame %d.%d\n",frame,slot); + nfapi_nr_dl_tti_csi_rs_pdu_rel15_t csi_params = csirs->csirs_pdu.csi_rs_pdu_rel15; + nr_generate_csi_rs(gNB, AMP, csi_params, slot); + } + } + VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_gNB_TX+offset,0); } diff --git a/openair2/COMMON/platform_constants.h b/openair2/COMMON/platform_constants.h index af364437b8..1cdda40529 100644 --- a/openair2/COMMON/platform_constants.h +++ b/openair2/COMMON/platform_constants.h @@ -105,6 +105,7 @@ #define NUMBER_OF_NR_PUCCH_MAX 16 #define NUMBER_OF_NR_SR_MAX 16 #define NUMBER_OF_NR_PDCCH_MAX 16 +#define NUMBER_OF_NR_CSIRS_MAX 16 #define MAX_MANAGED_ENB_PER_MOBILE 2 #define MAX_MANAGED_GNB_PER_MOBILE 2