From 98714f3138335a410368707551b0682b3f503e05 Mon Sep 17 00:00:00 2001 From: Francesco Mani Date: Fri, 6 Mar 2020 18:05:12 +0100 Subject: [PATCH] using SCF fapi structure for PUSCH and initialization of pusch dmrs sequences at nr_init --- .../nfapi/public_inc/nfapi_nr_interface_scf.h | 4 +- openair1/PHY/INIT/nr_init.c | 29 ++- .../NR_ESTIMATION/nr_ul_channel_estimation.c | 146 +++++++------- openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h | 14 +- openair1/PHY/NR_REFSIG/nr_dmrs_rx.c | 12 +- openair1/PHY/NR_REFSIG/nr_gold.c | 58 ++---- openair1/PHY/NR_REFSIG/nr_refsig.h | 2 +- .../PHY/NR_TRANSPORT/nr_transport_proto.h | 9 +- openair1/PHY/NR_TRANSPORT/nr_ulsch.c | 16 +- openair1/PHY/NR_TRANSPORT/nr_ulsch.h | 5 +- openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c | 56 +++--- .../PHY/NR_TRANSPORT/nr_ulsch_demodulation.c | 188 ++++++++---------- openair1/PHY/defs_gNB.h | 14 +- openair1/PHY/impl_defs_nr.h | 4 +- openair1/SCHED_NR/phy_procedures_nr_gNB.c | 60 ++---- openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c | 2 - openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c | 2 +- .../NR_MAC_gNB/gNB_scheduler_primitives.c | 22 -- .../CONF/gnb.band78.tm1.106PRB.usrpn300.conf | 4 +- 19 files changed, 258 insertions(+), 389 deletions(-) diff --git a/nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h b/nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h index e396ea68a7..434bc9b7c4 100644 --- a/nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h +++ b/nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h @@ -1116,10 +1116,10 @@ typedef struct uint16_t data_scrambling_id; uint8_t nrOfLayers; //DMRS - uint8_t ul_dmrs_symb_pos; + uint16_t ul_dmrs_symb_pos; uint8_t dmrs_config_type; uint16_t ul_dmrs_scrambling_id; - uint8_t scid;// + uint8_t scid; uint8_t num_dmrs_cdm_grps_no_data; uint16_t dmrs_ports;//DMRS ports. [TS38.212 7.3.1.1.2] provides description between DCI 0-1 content and DMRS ports. Bitmap occupying the 11 LSBs with: bit 0: antenna port 1000 bit 11: antenna port 1011 and for each bit 0: DMRS port not used 1: DMRS port used //Pusch Allocation in frequency domain [TS38.214, sec 6.1.2.2] diff --git a/openair1/PHY/INIT/nr_init.c b/openair1/PHY/INIT/nr_init.c index b2262949c1..7c49a6722b 100644 --- a/openair1/PHY/INIT/nr_init.c +++ b/openair1/PHY/INIT/nr_init.c @@ -150,21 +150,30 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB, } } - //------------- config PUSCH DMRS parameters(to be updated from RRC)-------------- - gNB->dmrs_UplinkConfig.pusch_dmrs_type = pusch_dmrs_type1; - gNB->dmrs_UplinkConfig.pusch_dmrs_AdditionalPosition = pusch_dmrs_pos0; - gNB->dmrs_UplinkConfig.pusch_maxLength = pusch_len1; - //-------------------------------------------------------------------------------- - nr_init_pdsch_dmrs(gNB, cfg->cell_config.phy_cell_id.value); - // default values until overwritten by RRCConnectionReconfiguration + //PUSCH DMRS init + gNB->nr_gold_pusch_dmrs = (uint32_t ****)malloc16(2*sizeof(uint32_t ***)); + uint32_t ****pusch_dmrs = gNB->nr_gold_pusch_dmrs; - for (i=0;ipusch_config.pusch_TimeDomainResourceAllocation[i] = (PUSCH_TimeDomainResourceAllocation_t *)malloc16(sizeof(PUSCH_TimeDomainResourceAllocation_t)); - gNB->pusch_config.pusch_TimeDomainResourceAllocation[i]->mappingType = typeB; + for(int nscid=0; nscid<2; nscid++) { + pusch_dmrs[nscid] = (uint32_t ***)malloc16(fp->slots_per_frame*sizeof(uint32_t **)); + AssertFatal(pusch_dmrs[nscid]!=NULL, "NR init: pusch_dmrs for nscid %d - malloc failed\n", nscid); + + for (int slot=0; slotslots_per_frame; slot++) { + pusch_dmrs[nscid][slot] = (uint32_t **)malloc16(fp->symbols_per_slot*sizeof(uint32_t *)); + AssertFatal(pusch_dmrs[nscid][slot]!=NULL, "NR init: pusch_dmrs for slot %d - malloc failed\n", slot); + + for (int symb=0; symbsymbols_per_slot; symb++) { + pusch_dmrs[nscid][slot][symb] = (uint32_t *)malloc16(NR_MAX_PUSCH_DMRS_INIT_LENGTH_DWORD*sizeof(uint32_t)); + AssertFatal(pusch_dmrs[nscid][slot][symb]!=NULL, "NR init: pusch_dmrs for slot %d symbol %d - malloc failed\n", slot, symb); + } + } } + uint32_t Nid_pusch[2] = {cfg->cell_config.phy_cell_id.value,cfg->cell_config.phy_cell_id.value}; + nr_gold_pusch(gNB, &Nid_pusch[0]); + // /// Transport init necessary for NR synchro init_nr_transport(gNB); diff --git a/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c b/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c index ab6ccd929b..64672f2b7a 100644 --- a/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c +++ b/openair1/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c @@ -31,22 +31,19 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, - uint8_t gNB_offset, unsigned char Ns, unsigned short p, unsigned char symbol, unsigned short bwp_start_subcarrier, - unsigned short nb_rb_pusch, - dmrs_UplinkConfig_t *dmrs_UplinkConfig) -{ + nfapi_nr_pusch_pdu_t *pusch_pdu) { + int pilot[3280] __attribute__((aligned(16))); unsigned char aarx; unsigned short k; unsigned int pilot_cnt,re_cnt; int16_t ch[2],ch_r[2],ch_l[2],*pil,*rxF,*ul_ch; int16_t *fl,*fm,*fr,*fml,*fmr,*fmm,*fdcl,*fdcr,*fdclh,*fdcrh; - int ch_offset,symbol_offset, length_dmrs, UE_id = 0; - unsigned short n_idDMRS[2] = {0,1}; //to update from pusch config + int ch_offset,symbol_offset, UE_id = 0; int32_t **ul_ch_estimates_time = gNB->pusch_vars[UE_id]->ul_ch_estimates_time; __m128i *ul_ch_128; @@ -71,6 +68,8 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, k = bwp_start_subcarrier; int re_offset = k; + uint16_t nb_rb_pusch = pusch_pdu->rb_size; + /* #ifdef DEBUG_CH printf("PUSCH Channel Estimation : gNB_offset %d ch_offset %d, symbol_offset %d OFDM size %d, Ncp=%d, l=%d, Ns=%d, k=%d symbol %d\n", gNB_offset,ch_offset,symbol_offset,gNB->frame_parms.ofdm_symbol_size, @@ -117,21 +116,17 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, //------------------generate DMRS------------------// - length_dmrs = gNB->dmrs_UplinkConfig.pusch_maxLength; - - nr_gold_pusch(gNB, symbol, n_idDMRS, length_dmrs); - - nr_pusch_dmrs_rx(gNB, Ns, gNB->nr_gold_pusch[gNB_offset][Ns][0], &pilot[0], 1000, 0, nb_rb_pusch, dmrs_UplinkConfig->pusch_dmrs_type); + nr_pusch_dmrs_rx(gNB, Ns, gNB->nr_gold_pusch_dmrs[pusch_pdu->scid][Ns][symbol], &pilot[0], 1000, 0, nb_rb_pusch, pusch_pdu->dmrs_config_type); //------------------------------------------------// for (aarx=0; aarxframe_parms.nb_antennas_rx; aarx++) { - pil = (int16_t *)&pilot[0]; - rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+nushift)]; - ul_ch = (int16_t *)&ul_ch_estimates[aarx][ch_offset]; + pil = (int16_t *)&pilot[0]; + rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+k+nushift)]; + ul_ch = (int16_t *)&ul_ch_estimates[aarx][ch_offset]; - memset(ul_ch,0,4*(gNB->frame_parms.ofdm_symbol_size)); + memset(ul_ch,0,4*(gNB->frame_parms.ofdm_symbol_size)); #ifdef DEBUG_PUSCH printf("ch est pilot addr %p RB_DL %d\n",&pilot[0], gNB->frame_parms.N_RB_UL); @@ -141,8 +136,7 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, #endif //if ((gNB->frame_parms.N_RB_UL&1)==0) { - - if (dmrs_UplinkConfig->pusch_dmrs_type == pusch_dmrs_type1){ + if (pusch_pdu->dmrs_config_type == pusch_dmrs_type1){ // Treat first 2 pilots specially (left edge) ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); @@ -237,10 +231,10 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, } // Treat first 2 pilots specially (right edge) - ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); + ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); #ifdef DEBUG_PUSCH - printf("pilot %u : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt,rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]); + printf("pilot %u : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt,rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]); #endif multadd_real_vector_complex_scalar(fm, ch, @@ -281,70 +275,69 @@ int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, 8); - // check if PRB crosses DC and improve estimates around DC - if ((bwp_start_subcarrier < gNB->frame_parms.ofdm_symbol_size) && (bwp_start_subcarrier+nb_rb_pusch*12 >= gNB->frame_parms.ofdm_symbol_size)) { - ul_ch = (int16_t *)&ul_ch_estimates[aarx][ch_offset]; - uint16_t idxDC = 2*(gNB->frame_parms.ofdm_symbol_size - bwp_start_subcarrier); - uint16_t idxPil = idxDC/2; - re_offset = k; - pil = (int16_t *)&pilot[0]; - pil += (idxPil-2); - ul_ch += (idxDC-4); - ul_ch = memset(ul_ch, 0, sizeof(int16_t)*10); - re_offset = (re_offset+idxDC/2-2) % gNB->frame_parms.ofdm_symbol_size; - rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)]; - ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); - ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); - - // for proper allignment of SIMD vectors - if((gNB->frame_parms.N_RB_UL&1)==0) { + // check if PRB crosses DC and improve estimates around DC + if ((bwp_start_subcarrier < gNB->frame_parms.ofdm_symbol_size) && (bwp_start_subcarrier+nb_rb_pusch*12 >= gNB->frame_parms.ofdm_symbol_size)) { + ul_ch = (int16_t *)&ul_ch_estimates[aarx][ch_offset]; + uint16_t idxDC = 2*(gNB->frame_parms.ofdm_symbol_size - bwp_start_subcarrier); + uint16_t idxPil = idxDC/2; + re_offset = k; + pil = (int16_t *)&pilot[0]; + pil += (idxPil-2); + ul_ch += (idxDC-4); + ul_ch = memset(ul_ch, 0, sizeof(int16_t)*10); + re_offset = (re_offset+idxDC/2-2) % gNB->frame_parms.ofdm_symbol_size; + rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)]; + ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); + ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); - multadd_real_vector_complex_scalar(fdcl, - ch, - ul_ch-4, - 8); + // for proper allignment of SIMD vectors + if((gNB->frame_parms.N_RB_UL&1)==0) { + + multadd_real_vector_complex_scalar(fdcl, + ch, + ul_ch-4, + 8); - pil += 4; - re_offset = (re_offset+4) % gNB->frame_parms.ofdm_symbol_size; - rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)]; - ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); - ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); + pil += 4; + re_offset = (re_offset+4) % gNB->frame_parms.ofdm_symbol_size; + rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)]; + ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); + ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); - multadd_real_vector_complex_scalar(fdcr, - ch, - ul_ch-4, - 8); - } else { + multadd_real_vector_complex_scalar(fdcr, + ch, + ul_ch-4, + 8); + } + else { + multadd_real_vector_complex_scalar(fdclh, + ch, + ul_ch, + 8); - multadd_real_vector_complex_scalar(fdclh, - ch, - ul_ch, - 8); + pil += 4; + re_offset = (re_offset+4) % gNB->frame_parms.ofdm_symbol_size; + rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)]; + ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); + ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); - pil += 4; - re_offset = (re_offset+4) % gNB->frame_parms.ofdm_symbol_size; - rxF = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)]; - ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15); - ch[1] = (int16_t)(((int32_t)pil[0]*rxF[1] + (int32_t)pil[1]*rxF[0])>>15); - - multadd_real_vector_complex_scalar(fdcrh, - ch, - ul_ch, - 8); + multadd_real_vector_complex_scalar(fdcrh, + ch, + ul_ch, + 8); + } } - - } #ifdef DEBUG_PDSCH - ul_ch = (int16_t *)&ul_ch_estimates[aarx][ch_offset]; - for(uint16_t idxP=0; idxPframe_parms.ofdm_symbol_size) { + switch (gNB->frame_parms.ofdm_symbol_size) { case 128: idft128((int16_t*) &ul_ch_estimates[aarx][symbol_offset], (int16_t*) ul_ch_estimates_time[aarx], diff --git a/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h b/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h index cc84f2292c..a7789c9224 100644 --- a/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h +++ b/openair1/PHY/NR_ESTIMATION/nr_ul_estimation.h @@ -39,14 +39,12 @@ \param nb_rb_pusch, number of allocated RBs for this UE */ - int32_t nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, - uint8_t gNB_offset, - unsigned char Ns, - unsigned short p, - unsigned char symbol, - unsigned short bwp_start_subcarrier, - unsigned short nb_rb_pusch, - dmrs_UplinkConfig_t *dmrs_UplinkConfig); +int nr_pusch_channel_estimation(PHY_VARS_gNB *gNB, + unsigned char Ns, + unsigned short p, + unsigned char symbol, + unsigned short bwp_start_subcarrier, + nfapi_nr_pusch_pdu_t *pusch_pdu); int nr_est_timing_advance_pusch(PHY_VARS_gNB* phy_vars_gNB, int UE_id); diff --git a/openair1/PHY/NR_REFSIG/nr_dmrs_rx.c b/openair1/PHY/NR_REFSIG/nr_dmrs_rx.c index f933a8c7ab..f8ccdf0fdf 100644 --- a/openair1/PHY/NR_REFSIG/nr_dmrs_rx.c +++ b/openair1/PHY/NR_REFSIG/nr_dmrs_rx.c @@ -82,13 +82,13 @@ int nr_pusch_dmrs_rx(PHY_VARS_gNB *gNB, mod_table = (w==1) ? nr_rx_mod_table : nr_rx_nmod_table; idx = ((((nr_gold_pusch[(i<<1)>>5])>>((i<<1)&0x1f))&1)<<1) ^ (((nr_gold_pusch[((i<<1)+1)>>5])>>(((i<<1)+1)&0x1f))&1); - ((int16_t*)output)[i<<1] = mod_table[(NR_MOD_TABLE_QPSK_OFFSET + idx)<<1]; - ((int16_t*)output)[(i<<1)+1] = mod_table[((NR_MOD_TABLE_QPSK_OFFSET + idx)<<1) + 1]; + ((int16_t*)output)[i<<1] = mod_table[(NR_MOD_TABLE_QPSK_OFFSET + idx)<<1]; + ((int16_t*)output)[(i<<1)+1] = mod_table[((NR_MOD_TABLE_QPSK_OFFSET + idx)<<1) + 1]; #ifdef DEBUG_PUSCH - printf("nr_pusch_dmrs_rx dmrs config type %d port %d nb_pusch_rb %d\n", dmrs_type, p, nb_pusch_rb); - printf("wf[%d] = %d wt[%d]= %d\n", i&1, wf[p-1000][i&1], lp, wt[p-1000][lp]); - printf("i %d idx %d pusch gold %u b0-b1 %d-%d mod_dmrs %d %d\n", i, idx, nr_gold_pusch[(i<<1)>>5], (((nr_gold_pusch[(i<<1)>>5])>>((i<<1)&0x1f))&1), - (((nr_gold_pusch[((i<<1)+1)>>5])>>(((i<<1)+1)&0x1f))&1), ((int16_t*)output)[i<<1], ((int16_t*)output)[(i<<1)+1]); + printf("nr_pusch_dmrs_rx dmrs config type %d port %d nb_pusch_rb %d\n", dmrs_type, p, nb_pusch_rb); + printf("wf[%d] = %d wt[%d]= %d\n", i&1, wf[p-1000][i&1], lp, wt[p-1000][lp]); + printf("i %d idx %d pusch gold %u b0-b1 %d-%d mod_dmrs %d %d\n", i, idx, nr_gold_pusch[(i<<1)>>5], (((nr_gold_pusch[(i<<1)>>5])>>((i<<1)&0x1f))&1), + (((nr_gold_pusch[((i<<1)+1)>>5])>>(((i<<1)+1)&0x1f))&1), ((int16_t*)output)[i<<1], ((int16_t*)output)[(i<<1)+1]); #endif } } else { diff --git a/openair1/PHY/NR_REFSIG/nr_gold.c b/openair1/PHY/NR_REFSIG/nr_gold.c index 7057adef21..4b007f1292 100644 --- a/openair1/PHY/NR_REFSIG/nr_gold.c +++ b/openair1/PHY/NR_REFSIG/nr_gold.c @@ -88,6 +88,7 @@ void nr_init_pdsch_dmrs(PHY_VARS_gNB* gNB, uint32_t Nid) uint16_t N_n_scid[NR_MAX_NB_CODEWORDS]={Nid, Nid}; // Not correct, appropriate scrambling IDs have to be updated to support DCI 1_1 uint8_t n_scid=0; // again works only for 1_0 for (uint8_t slot=0; slotslots_per_frame; slot++) { + for (uint8_t symb=0; symbsymbols_per_slot; symb++) { reset = 1; x2 = ((1<<17) * (fp->symbols_per_slot*slot+symb+1) * ((N_n_scid[n_scid]<<1)+1) +((N_n_scid[n_scid]<<1)+n_scid)); @@ -104,56 +105,27 @@ void nr_init_pdsch_dmrs(PHY_VARS_gNB* gNB, uint32_t Nid) } -void nr_gold_pusch(PHY_VARS_gNB* gNB, unsigned short lbar,unsigned short *n_idDMRS, unsigned short length_dmrs) -{ +void nr_gold_pusch(PHY_VARS_gNB* gNB, uint32_t *Nid) { - unsigned char ns,l; - unsigned int n,x1,x2,x2tmp0; - int nscid; + unsigned char ns; + unsigned int n,x1,x2; + int nscid, reset; unsigned int nid; - - /// to be updated from higher layer - //unsigned short lbar = 0; + NR_DL_FRAME_PARMS *fp = &gNB->frame_parms; + unsigned short l; for (nscid=0; nscid<2; nscid++) { - if (n_idDMRS) - nid = n_idDMRS[nscid]; - else - nid = gNB->frame_parms.Nid_cell; - - //printf("gold pdsch nid %d lbar %d\n",nid,lbar); - - for (ns=0; ns<20; ns++) { - - for (l=0; l>1) ^ (x2>>2) ^ (x2>>3))<<31); - - // skip first 50 double words (1600 bits) - for (n=1; n<50; n++) { - x1 = (x1>>1) ^ (x1>>4); - x1 = x1 ^ (x1<<31) ^ (x1<<28); - x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4); - x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28); - //printf("x1 : %x, x2 : %x\n",x1,x2); - } + nid = Nid[nscid]; + for (ns=0; nsslots_per_frame; ns++) { + for (l=0; lsymbols_per_slot; l++) { + reset = 1; + x2 = ((1<<17) * (fp->symbols_per_slot*ns+l+1) * ((nid<<1)+1) +((nid<<1)+nscid)); + LOG_D(PHY,"DMRS slot %d, symb %d x2 %x\n",ns,l,x2); for (n=0; n>1) ^ (x1>>4); - x1 = x1 ^ (x1<<31) ^ (x1<<28); - x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4); - x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28); - gNB->nr_gold_pusch[nscid][ns][l][n] = x1^x2; - // if ((ns==2)&&(l==0)) - //printf("n=%d : c %x\n",n,x1^x2); + gNB->nr_gold_pusch_dmrs[nscid][ns][l][n] = lte_gold_generic(&x1, &x2, reset); + reset = 0; } - } } } diff --git a/openair1/PHY/NR_REFSIG/nr_refsig.h b/openair1/PHY/NR_REFSIG/nr_refsig.h index 754edfef64..5af0e88099 100644 --- a/openair1/PHY/NR_REFSIG/nr_refsig.h +++ b/openair1/PHY/NR_REFSIG/nr_refsig.h @@ -39,7 +39,7 @@ void nr_init_pbch_dmrs(PHY_VARS_gNB* gNB); void nr_init_pdcch_dmrs(PHY_VARS_gNB* gNB, uint32_t Nid); void nr_init_pdsch_dmrs(PHY_VARS_gNB* gNB, uint32_t Nid); -void nr_gold_pusch(PHY_VARS_gNB* gNB, unsigned short lbar,unsigned short *n_idDMRS, unsigned short length_dmrs); +void nr_gold_pusch(PHY_VARS_gNB* gNB, uint32_t *Nid); int nr_pusch_dmrs_rx(PHY_VARS_gNB *gNB, unsigned int Ns, diff --git a/openair1/PHY/NR_TRANSPORT/nr_transport_proto.h b/openair1/PHY/NR_TRANSPORT/nr_transport_proto.h index d613dccede..eb1b726df9 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_transport_proto.h +++ b/openair1/PHY/NR_TRANSPORT/nr_transport_proto.h @@ -70,15 +70,10 @@ void nr_ulsch_extract_rbs_single(int **rxdataF, int **rxdataF_ext, int **ul_ch_estimates_ext, uint32_t rxdataF_ext_offset, - // unsigned int *rb_alloc, [hna] Resource Allocation Type 1 is assumed only for the moment unsigned char symbol, - unsigned short start_rb, - unsigned short nb_rb_pusch, + nfapi_nr_pusch_pdu_t *pusch_pdu, NR_DL_FRAME_PARMS *frame_parms, - uint8_t dmrs_symbol, - uint16_t number_symbols, - uint8_t mapping_type, - dmrs_UplinkConfig_t *dmrs_UplinkConfig); + uint8_t dmrs_symbol); void nr_ulsch_scale_channel(int32_t **ul_ch_estimates_ext, NR_DL_FRAME_PARMS *frame_parms, diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch.c b/openair1/PHY/NR_TRANSPORT/nr_ulsch.c index 536e4e9e71..6764e6e125 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_ulsch.c +++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch.c @@ -76,23 +76,9 @@ void nr_fill_ulsch(PHY_VARS_gNB *gNB, ulsch->harq_processes[harq_pid]->slot=slot; ulsch->harq_processes[harq_pid]->handled= 0; ulsch->harq_processes[harq_pid]->status= NR_ACTIVE; - nfapi_nr_ul_config_ulsch_pdu *rel15_ul = &ulsch->harq_processes[harq_pid]->ulsch_pdu; + memcpy((void*)&ulsch->harq_processes[harq_pid]->ulsch_pdu, (void*)ulsch_pdu, sizeof(nfapi_nr_pusch_pdu_t)); LOG_D(PHY,"Initializing nFAPI for ULSCH, UE %d, harq_pid %d\n",ulsch_id,harq_pid); - - - //FK this is still a bad hack. We need to replace the L1 FAPI structures with the new scf ones as well. - rel15_ul->rnti = ulsch_pdu->rnti; - rel15_ul->ulsch_pdu_rel15.start_rb = ulsch_pdu->rb_start; - rel15_ul->ulsch_pdu_rel15.number_rbs = ulsch_pdu->rb_size; - rel15_ul->ulsch_pdu_rel15.start_symbol = ulsch_pdu->start_symbol_index; - rel15_ul->ulsch_pdu_rel15.number_symbols = ulsch_pdu->nr_of_symbols; - rel15_ul->ulsch_pdu_rel15.length_dmrs = gNB->dmrs_UplinkConfig.pusch_maxLength; - rel15_ul->ulsch_pdu_rel15.Qm = ulsch_pdu->qam_mod_order; - rel15_ul->ulsch_pdu_rel15.mcs = ulsch_pdu->mcs_index; - rel15_ul->ulsch_pdu_rel15.rv = ulsch_pdu->pusch_data.rv_index; - rel15_ul->ulsch_pdu_rel15.n_layers = ulsch_pdu->nrOfLayers; - rel15_ul->ulsch_pdu_rel15.R = ulsch_pdu->target_code_rate; } diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch.h b/openair1/PHY/NR_TRANSPORT/nr_ulsch.h index f8d8f38dd1..a2672aee38 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_ulsch.h +++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch.h @@ -53,12 +53,11 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, uint8_t UE_id, short *ulsch_llr, NR_DL_FRAME_PARMS *frame_parms, + nfapi_nr_pusch_pdu_t *pusch_pdu, uint32_t frame, - uint16_t nb_symb_sch, - uint16_t nb_re_dmrs, uint8_t nr_tti_rx, uint8_t harq_pid, - uint8_t is_crnti); + uint32_t G); /*! \brief Perform PUSCH unscrambling. TS 38.211 V15.4.0 subclause 6.3.1.1 diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c b/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c index ca39b82edf..d9985d8f7f 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c +++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c @@ -296,15 +296,13 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, uint8_t UE_id, short *ulsch_llr, NR_DL_FRAME_PARMS *frame_parms, + nfapi_nr_pusch_pdu_t *pusch_pdu, uint32_t frame, - uint16_t nb_symb_sch, - uint16_t nb_re_dmrs, uint8_t nr_tti_rx, uint8_t harq_pid, - uint8_t is_crnti) + uint32_t G) { uint32_t A,E; - uint32_t G; uint32_t ret, offset; int32_t no_iteration_ldpc, length_dec; uint32_t r,r_offset=0,Kr=8424,Kr_bytes,K_bytes_F,err_flag=0; @@ -318,7 +316,6 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, NR_gNB_ULSCH_t *ulsch = phy_vars_gNB->ulsch[UE_id][0]; NR_UL_gNB_HARQ_t *harq_process = ulsch->harq_processes[harq_pid]; - nfapi_nr_ul_config_ulsch_pdu_rel15_t *nfapi_ulsch_pdu_rel15 = &harq_process->ulsch_pdu.ulsch_pdu_rel15; t_nrLDPC_dec_params decParams; t_nrLDPC_dec_params* p_decParams = &decParams; @@ -338,13 +335,11 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, double Coderate = 0.0; // ------------------------------------------------------------------ - uint16_t nb_rb = nfapi_ulsch_pdu_rel15->number_rbs; - uint16_t number_symbols = nfapi_ulsch_pdu_rel15->number_symbols; - uint8_t Qm = nfapi_ulsch_pdu_rel15->Qm; - uint16_t R = nfapi_ulsch_pdu_rel15->R; - uint8_t mcs = nfapi_ulsch_pdu_rel15->mcs; - uint8_t n_layers = nfapi_ulsch_pdu_rel15->n_layers; - uint8_t length_dmrs = nfapi_ulsch_pdu_rel15->length_dmrs; + uint16_t nb_rb = pusch_pdu->rb_size; + uint8_t Qm = pusch_pdu->qam_mod_order; + uint16_t R = pusch_pdu->target_code_rate; + uint8_t mcs = pusch_pdu->mcs_index; + uint8_t n_layers = pusch_pdu->nrOfLayers; // ------------------------------------------------------------------ uint32_t i,j; @@ -364,14 +359,12 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, } // harq_process->trials[nfapi_ulsch_pdu_rel15->round]++; - harq_process->TBS = nr_compute_tbs(Qm, R, nb_rb, number_symbols, nb_re_dmrs*length_dmrs, 0, 0, n_layers); + harq_process->TBS = pusch_pdu->pusch_data.tb_size; A = harq_process->TBS; ret = ulsch->max_ldpc_iterations + 1; - G = nr_get_G(nb_rb, number_symbols, nb_re_dmrs, length_dmrs, Qm, n_layers); - - LOG_D(PHY,"ULSCH Decoding, harq_pid %d TBS %d G %d mcs %d Nl %d nb_symb_sch %d nb_rb %d, nb_re_dmrs %d, Qm %d, n_layers %d\n",harq_pid,A,G, mcs, n_layers, nb_symb_sch,nb_rb, nb_re_dmrs, Qm, n_layers); + LOG_D(PHY,"ULSCH Decoding, harq_pid %d TBS %d G %d mcs %d Nl %d nb_rb %d, Qm %d, n_layers %d\n",harq_pid,A,G, mcs, n_layers, nb_rb, Qm, n_layers); if (harq_process->round == 0) { @@ -461,7 +454,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, K_bytes_F = Kr_bytes-(harq_process->F>>3); for (r=0; rC; r++) { - E = nr_get_E(G, harq_process->C, nfapi_ulsch_pdu_rel15->Qm, nfapi_ulsch_pdu_rel15->n_layers, r); + E = nr_get_E(G, harq_process->C, Qm, n_layers, r); #if gNB_TIMING_TRACE start_meas(ulsch_deinterleaving_stats); @@ -474,7 +467,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, //////////////////////////// ulsch_llr =====> harq_process->e ////////////////////////////// nr_deinterleaving_ldpc(E, - nfapi_ulsch_pdu_rel15->Qm, + Qm, harq_process->e[r], ulsch_llr+r_offset); @@ -494,10 +487,10 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, harq_pid,r, G, Kr*3, harq_process->TBS, - nfapi_ulsch_pdu_rel15->Qm, - nfapi_ulsch_pdu_rel15->number_rbs, - nfapi_ulsch_pdu_rel15->n_layers, - nfapi_ulsch_pdu_rel15->rv, + Qm, + nb_rb, + n_layers, + pusch_pdu->pusch_data.rv_index, harq_process->round); #endif ////////////////////////////////////////////////////////////////////////////////////////// @@ -509,7 +502,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, ///////////////////////// harq_process->e =====> harq_process->d ///////////////////////// - Tbslbrm = nr_compute_tbslbrm(0,nb_rb,nfapi_ulsch_pdu_rel15->n_layers,harq_process->C); + Tbslbrm = nr_compute_tbslbrm(0,nb_rb,n_layers,harq_process->C); if (nr_rate_matching_ldpc_rx(Ilbrm, Tbslbrm, @@ -518,7 +511,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, harq_process->d[r], harq_process->e[r], harq_process->C, - nfapi_ulsch_pdu_rel15->rv, + pusch_pdu->pusch_data.rv_index, (harq_process->round==0)?1:0, E, harq_process->F, @@ -654,7 +647,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, int32_t tti_rx_prev = nr_tti_rx - 1; if (tti_rx_prev < 0) { frame_rx_prev--; - tti_rx_prev += 10*frame_parms->ttis_per_subframe; + tti_rx_prev += frame_parms->slots_per_frame; } frame_rx_prev = frame_rx_prev%1024; @@ -678,10 +671,8 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, ulsch->harq_mask &= ~(1 << harq_pid); } - if(is_crnti) { - LOG_D(PHY,"[gNB %d] ULSCH: Setting NACK for nr_tti_rx %d (pid %d, pid status %d, round %d/Max %d, TBS %d)\n", - phy_vars_gNB->Mod_id,nr_tti_rx,harq_pid,harq_process->status,harq_process->round,ulsch->Mlimit,harq_process->TBS); - } + // LOG_D(PHY,"[gNB %d] ULSCH: Setting NACK for nr_tti_rx %d (pid %d, pid status %d, round %d/Max %d, TBS %d)\n", + // phy_vars_gNB->Mod_id,nr_tti_rx,harq_pid,harq_process->status,harq_process->round,ulsch->Mlimit,harq_process->TBS); harq_process->handled = 1; ret = ulsch->max_ldpc_iterations + 1; @@ -701,10 +692,9 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, // harq_process->harq_ack.harq_id = harq_pid; // harq_process->harq_ack.send_harq_status = 1; - if(is_crnti) - { - LOG_D(PHY,"[gNB %d] ULSCH: Setting ACK for nr_tti_rx %d (pid %d, round %d, TBS %d)\n",phy_vars_gNB->Mod_id,nr_tti_rx,harq_pid,harq_process->round,harq_process->TBS); - } + + // LOG_D(PHY,"[gNB %d] ULSCH: Setting ACK for nr_tti_rx %d (pid %d, round %d, TBS %d)\n",phy_vars_gNB->Mod_id,nr_tti_rx,harq_pid,harq_process->round,harq_process->TBS); + // Reassembly of Transport block here offset = 0; diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c b/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c index f65261bb39..99083f748f 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c +++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c @@ -226,22 +226,17 @@ void nr_ulsch_extract_rbs_single(int **rxdataF, int **rxdataF_ext, int **ul_ch_estimates_ext, uint32_t rxdataF_ext_offset, - // unsigned int *rb_alloc, [hna] Resource Allocation Type 1 is assumed only for the moment unsigned char symbol, - unsigned short start_rb, - unsigned short nb_rb_pusch, + nfapi_nr_pusch_pdu_t *pusch_pdu, NR_DL_FRAME_PARMS *frame_parms, - uint8_t dmrs_symbol, - uint16_t number_symbols, - uint8_t mapping_type, - dmrs_UplinkConfig_t *dmrs_UplinkConfig) + uint8_t dmrs_symbol) { unsigned short start_re, re, nb_re_pusch; unsigned char aarx; uint32_t rxF_ext_index = 0; uint32_t ul_ch0_ext_index = 0; uint32_t ul_ch0_index = 0; - uint8_t is_dmrs_symbol_flag, k_prime; + uint8_t k_prime; uint16_t n=0; int16_t *rxF,*rxF_ext; @@ -250,14 +245,13 @@ void nr_ulsch_extract_rbs_single(int **rxdataF, #ifdef DEBUG_RB_EXT printf("--------------------symbol = %d-----------------------\n", symbol); - printf("--------------------ch_ext_index = %d-----------------------\n", symbol*NR_NB_SC_PER_RB * nb_rb_pusch); + printf("--------------------ch_ext_index = %d-----------------------\n", symbol*NR_NB_SC_PER_RB * pusch_pdu->rb_size); #endif - start_re = (frame_parms->first_carrier_offset + (start_rb * NR_NB_SC_PER_RB))%frame_parms->ofdm_symbol_size; + start_re = (frame_parms->first_carrier_offset + (pusch_pdu->rb_start * NR_NB_SC_PER_RB))%frame_parms->ofdm_symbol_size; - nb_re_pusch = NR_NB_SC_PER_RB * nb_rb_pusch; - is_dmrs_symbol_flag = 0; + nb_re_pusch = NR_NB_SC_PER_RB * pusch_pdu->rb_size; for (aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) { @@ -273,21 +267,11 @@ void nr_ulsch_extract_rbs_single(int **rxdataF, for (re = 0; re < nb_re_pusch; re++) { - is_dmrs_symbol_flag = is_dmrs_symbol(symbol, - (start_re + re)%frame_parms->ofdm_symbol_size, - start_re, - k_prime, - n, - 0, - number_symbols, - dmrs_UplinkConfig, - mapping_type, - frame_parms->ofdm_symbol_size); #ifdef DEBUG_RB_EXT printf("re = %d, is_dmrs_symbol_flag = %d, symbol = %d\n", re, is_dmrs_symbol_flag, symbol); #endif - if ( is_dmrs_symbol_flag == 0 ) { + if ( dmrs_symbol != symbol ) { rxF_ext[rxF_ext_index] = (rxF[ ((start_re + re)*2) % (frame_parms->ofdm_symbol_size*2)]); rxF_ext[rxF_ext_index + 1] = (rxF[(((start_re + re)*2) + 1) % (frame_parms->ofdm_symbol_size*2)]); @@ -469,18 +453,17 @@ void nr_ulsch_channel_level(int **ul_ch_estimates_ext, } void nr_ulsch_channel_compensation(int **rxdataF_ext, - int **ul_ch_estimates_ext, - int **ul_ch_mag, - int **ul_ch_magb, - int **rxdataF_comp, - int **rho, - NR_DL_FRAME_PARMS *frame_parms, - unsigned char symbol, - uint8_t is_dmrs_symbol, - unsigned char mod_order, - unsigned short nb_rb, - unsigned char output_shift) -{ + int **ul_ch_estimates_ext, + int **ul_ch_mag, + int **ul_ch_magb, + int **rxdataF_comp, + int **rho, + NR_DL_FRAME_PARMS *frame_parms, + unsigned char symbol, + uint8_t is_dmrs_symbol, + unsigned char mod_order, + unsigned short nb_rb, + unsigned char output_shift) { #ifdef DEBUG_CH_COMP int16_t *rxF, *ul_ch; @@ -1001,105 +984,95 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB, unsigned char harq_pid) { - uint8_t first_symbol_flag, aarx, aatx, dmrs_symbol_flag; // dmrs_symbol_flag, a flag to indicate DMRS REs in current symbol + uint8_t aarx, aatx, dmrs_symbol_flag; // dmrs_symbol_flag, a flag to indicate DMRS REs in current symbol NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms; - nfapi_nr_ul_config_ulsch_pdu_rel15_t *rel15_ul = &gNB->ulsch[UE_id][0]->harq_processes[harq_pid]->ulsch_pdu.ulsch_pdu_rel15; + nfapi_nr_pusch_pdu_t *rel15_ul = &gNB->ulsch[UE_id][0]->harq_processes[harq_pid]->ulsch_pdu; uint32_t nb_re_pusch, bwp_start_subcarrier; - uint8_t mapping_type; int avgs; int avg[4]; + uint8_t nodata_dmrs = 1; // FIXME to be properly configured from fapi dmrs_symbol_flag = 0; - first_symbol_flag = 0; - mapping_type = gNB->pusch_config.pusch_TimeDomainResourceAllocation[0]->mappingType; - if (mapping_type == typeB) { + if(symbol == rel15_ul->start_symbol_index){ + gNB->pusch_vars[UE_id]->rxdataF_ext_offset = 0; + gNB->pusch_vars[UE_id]->dmrs_symbol = 0; + gNB->pusch_vars[UE_id]->cl_done = 0; + } - if(symbol == rel15_ul->start_symbol){ - gNB->pusch_vars[UE_id]->rxdataF_ext_offset = 0; - gNB->pusch_vars[UE_id]->dmrs_symbol = 0; - first_symbol_flag = 1; - } + bwp_start_subcarrier = (rel15_ul->rb_start*NR_NB_SC_PER_RB + frame_parms->first_carrier_offset) % frame_parms->ofdm_symbol_size; - bwp_start_subcarrier = (rel15_ul->start_rb*NR_NB_SC_PER_RB + frame_parms->first_carrier_offset) % frame_parms->ofdm_symbol_size; + dmrs_symbol_flag = ((rel15_ul->ul_dmrs_symb_pos)>>symbol)&0x01; - dmrs_symbol_flag = is_dmrs_symbol(symbol, - 0, - 0, - 0, - 0, - 0, - rel15_ul->number_symbols, - &gNB->dmrs_UplinkConfig, - mapping_type, - frame_parms->ofdm_symbol_size); + if (dmrs_symbol_flag == 1){ + if (((rel15_ul->ul_dmrs_symb_pos)>>((symbol+1)%frame_parms->symbols_per_slot))&0x01) + AssertFatal(1==0,"Double DMRS configuration is not yet supported\n"); - if (dmrs_symbol_flag == 1){ - nb_re_pusch = rel15_ul->number_rbs * ((gNB->dmrs_UplinkConfig.pusch_dmrs_type==pusch_dmrs_type1)?6:8); - gNB->pusch_vars[UE_id]->dmrs_symbol = symbol; - } else { - nb_re_pusch = rel15_ul->number_rbs * NR_NB_SC_PER_RB; - } + gNB->pusch_vars[UE_id]->dmrs_symbol = symbol; + + if (nodata_dmrs) + nb_re_pusch = 0; + else + nb_re_pusch = rel15_ul->rb_size * ((rel15_ul->dmrs_config_type==pusch_dmrs_type1)?6:8); // 0 means type 1 + } else { + nb_re_pusch = rel15_ul->rb_size * NR_NB_SC_PER_RB; + } - //---------------------------------------------------------- - //--------------------- Channel estimation --------------------- - //---------------------------------------------------------- + //---------------------------------------------------------- + //--------------------- Channel estimation --------------------- + //---------------------------------------------------------- - if (dmrs_symbol_flag == 1) - nr_pusch_channel_estimation(gNB, - 0, - nr_tti_rx, - 0, // p - symbol, - bwp_start_subcarrier, - rel15_ul->number_rbs, - &gNB->dmrs_UplinkConfig); + if (dmrs_symbol_flag == 1) + nr_pusch_channel_estimation(gNB, + nr_tti_rx, + 0, // p + symbol, + bwp_start_subcarrier, + rel15_ul); - //---------------------------------------------------------- - //--------------------- RBs extraction --------------------- - //---------------------------------------------------------- + //---------------------------------------------------------- + //--------------------- RBs extraction --------------------- + //---------------------------------------------------------- + + if (nb_re_pusch > 0) { nr_ulsch_extract_rbs_single(gNB->common_vars.rxdataF, gNB->pusch_vars[UE_id]->ul_ch_estimates, gNB->pusch_vars[UE_id]->rxdataF_ext, gNB->pusch_vars[UE_id]->ul_ch_estimates_ext, gNB->pusch_vars[UE_id]->rxdataF_ext_offset, - // rb_alloc, [hna] Resource Allocation Type 1 is assumed only for the moment symbol, - rel15_ul->start_rb, - rel15_ul->number_rbs, + rel15_ul, frame_parms, - gNB->pusch_vars[UE_id]->dmrs_symbol, - rel15_ul->number_symbols, - mapping_type, - &gNB->dmrs_UplinkConfig); + gNB->pusch_vars[UE_id]->dmrs_symbol); nr_ulsch_scale_channel(gNB->pusch_vars[UE_id]->ul_ch_estimates_ext, frame_parms, gNB->ulsch[UE_id], symbol, dmrs_symbol_flag, - rel15_ul->number_rbs, - gNB->dmrs_UplinkConfig.pusch_dmrs_type); + rel15_ul->rb_size, + rel15_ul->dmrs_config_type); - if (first_symbol_flag==1) { + if (gNB->pusch_vars[UE_id]->cl_done==0) { - nr_ulsch_channel_level(gNB->pusch_vars[UE_id]->ul_ch_estimates_ext, + nr_ulsch_channel_level(gNB->pusch_vars[UE_id]->ul_ch_estimates_ext, frame_parms, avg, symbol, nb_re_pusch, - rel15_ul->number_rbs); - avgs = 0; + rel15_ul->rb_size); - for (aatx=0;aatxnb_antennas_tx;aatx++) - for (aarx=0;aarxnb_antennas_rx;aarx++) - avgs = cmax(avgs,avg[(aatx<<1)+aarx]); + avgs = 0; - gNB->pusch_vars[UE_id]->log2_maxh = (log2_approx(avgs)/2)+1; + for (aatx=0;aatxnb_antennas_tx;aatx++) + for (aarx=0;aarxnb_antennas_rx;aarx++) + avgs = cmax(avgs,avg[(aatx<<1)+aarx]); - } + gNB->pusch_vars[UE_id]->log2_maxh = (log2_approx(avgs)/2)+1; + gNB->pusch_vars[UE_id]->cl_done = 1; + } nr_ulsch_channel_compensation(gNB->pusch_vars[UE_id]->rxdataF_ext, gNB->pusch_vars[UE_id]->ul_ch_estimates_ext, @@ -1110,30 +1083,29 @@ void nr_rx_pusch(PHY_VARS_gNB *gNB, frame_parms, symbol, dmrs_symbol_flag, - rel15_ul->Qm, - rel15_ul->number_rbs, + rel15_ul->qam_mod_order, + rel15_ul->rb_size, gNB->pusch_vars[UE_id]->log2_maxh); - #ifdef NR_SC_FDMA - nr_idft(&((uint32_t*)gNB->pusch_vars[UE_id]->rxdataF_ext[0])[symbol * rel15_ul->number_rbs * NR_NB_SC_PER_RB], nb_re_pusch); - #endif +#ifdef NR_SC_FDMA + nr_idft(&((uint32_t*)gNB->pusch_vars[UE_id]->rxdataF_ext[0])[symbol * rel15_ul->rb_size * NR_NB_SC_PER_RB], nb_re_pusch); +#endif //---------------------------------------------------------- //-------------------- LLRs computation -------------------- //---------------------------------------------------------- - nr_ulsch_compute_llr(&gNB->pusch_vars[UE_id]->rxdataF_comp[0][symbol * rel15_ul->number_rbs * NR_NB_SC_PER_RB], + nr_ulsch_compute_llr(&gNB->pusch_vars[UE_id]->rxdataF_comp[0][symbol * rel15_ul->rb_size * NR_NB_SC_PER_RB], gNB->pusch_vars[UE_id]->ul_ch_mag0, gNB->pusch_vars[UE_id]->ul_ch_magb0, - &gNB->pusch_vars[UE_id]->llr[gNB->pusch_vars[UE_id]->rxdataF_ext_offset * rel15_ul->Qm], - rel15_ul->number_rbs, + &gNB->pusch_vars[UE_id]->llr[gNB->pusch_vars[UE_id]->rxdataF_ext_offset * rel15_ul->qam_mod_order], + rel15_ul->rb_size, nb_re_pusch, symbol, - rel15_ul->Qm); + rel15_ul->qam_mod_order); - gNB->pusch_vars[UE_id]->rxdataF_ext_offset = gNB->pusch_vars[UE_id]->rxdataF_ext_offset + nb_re_pusch; - } else { - LOG_E(PHY, "PUSCH mapping type A is not supported \n"); } + + gNB->pusch_vars[UE_id]->rxdataF_ext_offset = gNB->pusch_vars[UE_id]->rxdataF_ext_offset + nb_re_pusch; } diff --git a/openair1/PHY/defs_gNB.h b/openair1/PHY/defs_gNB.h index b930031aff..e07fc4e81e 100644 --- a/openair1/PHY/defs_gNB.h +++ b/openair1/PHY/defs_gNB.h @@ -174,7 +174,7 @@ typedef struct { typedef struct { /// Nfapi ULSCH PDU - nfapi_nr_ul_config_ulsch_pdu ulsch_pdu; + nfapi_nr_pusch_pdu_t ulsch_pdu; /// Frame where current HARQ round was sent uint32_t frame; /// Slot where current HARQ round was sent @@ -414,8 +414,10 @@ typedef struct { /// \brief llr values. /// - first index: ? [0..1179743] (hard coded) int16_t *llr; - // DMRS symbol index, to be updated every DMRS symbol within a slot. + /// DMRS symbol index, to be updated every DMRS symbol within a slot. uint8_t dmrs_symbol; + /// flag to verify if channel level computation is done + uint8_t cl_done; } NR_gNB_PUSCH; @@ -676,7 +678,7 @@ typedef struct PHY_VARS_gNB_s { uint32_t ****nr_gold_pdsch_dmrs; /// PUSCH DMRS - uint32_t nr_gold_pusch[2][20][2][NR_MAX_PUSCH_DMRS_INIT_LENGTH_DWORD]; + uint32_t ****nr_gold_pusch_dmrs; /// Indicator set to 0 after first SR uint8_t first_sr[NUMBER_OF_NR_SR_MAX]; @@ -710,12 +712,6 @@ typedef struct PHY_VARS_gNB_s { /// counter to average prach energh over first 100 prach opportunities int prach_energy_counter; - PUSCH_Config_t pusch_config; - - dmrs_UplinkConfig_t dmrs_UplinkConfig; - - dmrs_DownlinkConfig_t dmrs_DownlinkConfig; - /* time_stats_t phy_proc; */ diff --git a/openair1/PHY/impl_defs_nr.h b/openair1/PHY/impl_defs_nr.h index f4559adf6a..b09206739f 100644 --- a/openair1/PHY/impl_defs_nr.h +++ b/openair1/PHY/impl_defs_nr.h @@ -503,8 +503,8 @@ typedef enum { pdsch_dmrs_type2 = 2 } pdsch_dmrs_type_t; typedef enum { - pusch_dmrs_type1 = 1, - pusch_dmrs_type2 = 2 + pusch_dmrs_type1 = 0, + pusch_dmrs_type2 = 1 } pusch_dmrs_type_t; typedef enum { pdsch_dmrs_pos0 = 0, diff --git a/openair1/SCHED_NR/phy_procedures_nr_gNB.c b/openair1/SCHED_NR/phy_procedures_nr_gNB.c index 798de7da76..5069d363bb 100644 --- a/openair1/SCHED_NR/phy_procedures_nr_gNB.c +++ b/openair1/SCHED_NR/phy_procedures_nr_gNB.c @@ -212,42 +212,28 @@ void phy_procedures_gNB_TX(PHY_VARS_gNB *gNB, void nr_ulsch_procedures(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, int ULSCH_id, uint8_t harq_pid) { - NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms; - nfapi_nr_ul_config_ulsch_pdu *rel15_ul = &gNB->ulsch[ULSCH_id][0]->harq_processes[harq_pid]->ulsch_pdu; - nfapi_nr_ul_config_ulsch_pdu_rel15_t *nfapi_ulsch_pdu_rel15 = &rel15_ul->ulsch_pdu_rel15; + NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms; + nfapi_nr_pusch_pdu_t *pusch_pdu = &gNB->ulsch[ULSCH_id][0]->harq_processes[harq_pid]->ulsch_pdu; uint8_t ret; uint8_t l, number_dmrs_symbols = 0; - uint8_t mapping_type; uint32_t G; - int Nid_cell = 0; // [hna] shouldn't be a local variable (should be signaled) uint16_t start_symbol, number_symbols, nb_re_dmrs; - mapping_type = gNB->pusch_config.pusch_TimeDomainResourceAllocation[0]->mappingType; - - start_symbol = nfapi_ulsch_pdu_rel15->start_symbol; - number_symbols = nfapi_ulsch_pdu_rel15->number_symbols; + start_symbol = pusch_pdu->start_symbol_index; + number_symbols = pusch_pdu->nr_of_symbols; for (l = start_symbol; l < start_symbol + number_symbols; l++) - number_dmrs_symbols += is_dmrs_symbol(l, - 0, - 0, - 0, - 0, - 0, - number_symbols, - &gNB->dmrs_UplinkConfig, - mapping_type, - frame_parms->ofdm_symbol_size); + number_dmrs_symbols += ((pusch_pdu->ul_dmrs_symb_pos)>>l)&0x01;; - nb_re_dmrs = ((gNB->dmrs_UplinkConfig.pusch_dmrs_type == pusch_dmrs_type1)?6:4)*number_dmrs_symbols; + nb_re_dmrs = ((pusch_pdu->dmrs_config_type == pusch_dmrs_type1)?6:4)*number_dmrs_symbols; - G = nr_get_G(nfapi_ulsch_pdu_rel15->number_rbs, + G = nr_get_G(pusch_pdu->rb_size, number_symbols, nb_re_dmrs, - nfapi_ulsch_pdu_rel15->length_dmrs, - nfapi_ulsch_pdu_rel15->Qm, - nfapi_ulsch_pdu_rel15->n_layers); + 1, // FIXME only single dmrs is implemented + pusch_pdu->qam_mod_order, + pusch_pdu->nrOfLayers); //---------------------------------------------------------- @@ -257,23 +243,22 @@ void nr_ulsch_procedures(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, int ULSCH nr_ulsch_unscrambling(gNB->pusch_vars[ULSCH_id]->llr, G, 0, - Nid_cell, - rel15_ul->rnti); + pusch_pdu->data_scrambling_id, + pusch_pdu->rnti); //---------------------------------------------------------- //--------------------- ULSCH decoding --------------------- //---------------------------------------------------------- ret = nr_ulsch_decoding(gNB, - ULSCH_id, - gNB->pusch_vars[ULSCH_id]->llr, - frame_parms, - frame_rx, - number_symbols, - nb_re_dmrs, - slot_rx, - harq_pid, - 0); + ULSCH_id, + gNB->pusch_vars[ULSCH_id]->llr, + frame_parms, + pusch_pdu, + frame_rx, + slot_rx, + harq_pid, + G); if (ret > gNB->ulsch[ULSCH_id][0]->max_ldpc_iterations) LOG_I(PHY, "ULSCH %d in error\n",ULSCH_id); @@ -407,9 +392,8 @@ void phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) (ulsch_harq->slot == slot_rx) && (ulsch_harq->handled == 0)){ - uint8_t symbol_start = ulsch_harq->ulsch_pdu.ulsch_pdu_rel15.start_symbol; - uint8_t symbol_end = symbol_start + ulsch_harq->ulsch_pdu.ulsch_pdu_rel15.number_symbols; - + uint8_t symbol_start = ulsch_harq->ulsch_pdu.start_symbol_index; + uint8_t symbol_end = symbol_start + ulsch_harq->ulsch_pdu.nr_of_symbols; for(uint8_t symbol = symbol_start; symbol < symbol_end; symbol++) { nr_rx_pusch(gNB, ULSCH_id, frame_rx, slot_rx, symbol, harq_pid); } diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c index 163c4f2c52..ed8da54110 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c @@ -387,8 +387,6 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP, if (is_nr_UL_slot(cc->ServingCellConfigCommon,slot_rxP)) { - - schedule_nr_prach(module_idP, (frame_rxP+1)&1023, slot_rxP); nr_schedule_reception_msg3(module_idP, 0, frame_rxP, slot_rxP); diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c index cbdbafb9fd..b06dcd0a23 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c @@ -469,7 +469,7 @@ void nr_add_msg3(module_id_t module_idP, int CC_id, frame_t frameP, sub_frame_t pusch_pdu->transform_precoding = 0; pusch_pdu->data_scrambling_id = *scc->physCellId; pusch_pdu->nrOfLayers = 1; - pusch_pdu->ul_dmrs_symb_pos = 1; // ok for now but use fill dmrs mask later + pusch_pdu->ul_dmrs_symb_pos = 1<dmrs_config_type = 0; pusch_pdu->ul_dmrs_scrambling_id = *scc->physCellId; //If provided and the PUSCH is not a msg3 PUSCH, otherwise, L2 should set this to physical cell id. pusch_pdu->scid = 0; //DMRS sequence initialization [TS38.211, sec 6.4.1.1.1]. Should match what is sent in DCI 0_1, otherwise set to 0. diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c index 0d9bf1880a..c82e6e28da 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c @@ -942,28 +942,6 @@ int extract_length(int startSymbolAndLength) { if (tmp > 0 && tmp < (14-tmp2)) return(tmp); else return(15-tmp2); } - -void fill_initialBWPDLtimeDomainAllocaion(nfapi_nr_config_request_t *cfg,int time_domain_assignment,int *k0,int *mappingType,int *start_symbol,int *length) { - AssertFatal(time_domain_assignment < cfg->pdsch_config.num_PDSCHTimeDomainResourceAllocations.value,"DL time_domain_assignment %d >= %d\n", - time_domain_assignment,cfg->pdsch_config.num_PDSCHTimeDomainResourceAllocations.value); - *k0 = cfg->pdsch_config.PDSCHTimeDomainResourceAllocation_k0[time_domain_assignment].value; - *mappingType = cfg->pdsch_config.PDSCHTimeDomainResourceAllocation_mappingType[time_domain_assignment].value; - *start_symbol = extract_startSymbol(cfg->pdsch_config.PDSCHTimeDomainResourceAllocation_startSymbolAndLength[time_domain_assignment].value); - *length = extract_length(cfg->pdsch_config.PDSCHTimeDomainResourceAllocation_startSymbolAndLength[time_domain_assignment].value); - -} - - - -void fill_initialBWPULtimeDomainAllocaion(nfapi_nr_config_request_t *cfg,int time_domain_assignment,int *k2, int *mappingType, int *start_symbol,int *length) { - AssertFatal(time_domain_assignment < cfg->pusch_config.num_PUSCHTimeDomainResourceAllocations.value,"UL time_domain_assignment %d >= %d\n", - time_domain_assignment,cfg->pusch_config.num_PUSCHTimeDomainResourceAllocations.value); - - *k2 = cfg->pusch_config.PUSCHTimeDomainResourceAllocation_k2[time_domain_assignment].value; - *mappingType = cfg->pusch_config.PUSCHTimeDomainResourceAllocation_mappingType[time_domain_assignment].value; - *start_symbol = extract_startSymbol(cfg->pusch_config.PUSCHTimeDomainResourceAllocation_startSymbolAndLength[time_domain_assignment].value); - *length = extract_length(cfg->pusch_config.PUSCHTimeDomainResourceAllocation_startSymbolAndLength[time_domain_assignment].value); -} /* * Dump the UL or DL UE_list into LOG_T(MAC) diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf index 611eaa910c..9199757c22 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf @@ -46,7 +46,7 @@ gNBs = #initialDownlinkBWP #genericParameters # this is RBstart=0,L=50 (275*(L-1))+RBstart - initialDLBWPlocationAndBandwidth = 13475; + initialDLBWPlocationAndBandwidth = 6366; # subcarrierSpacing # 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120 initialDLBWPsubcarrierSpacing = 1; @@ -89,7 +89,7 @@ gNBs = pMax = 20; #initialUplinkBWP #genericParameters - initialULBWPlocationAndBandwidth = 13475; + initialULBWPlocationAndBandwidth = 6366; # subcarrierSpacing # 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120 initialULBWPsubcarrierSpacing = 1;