From aeb987bb0a95ea1806ee11f6a7ae8b1763158088 Mon Sep 17 00:00:00 2001 From: Hongzhi Wang Date: Mon, 25 Oct 2021 10:06:29 +0200 Subject: [PATCH] using temporarily one l1tx thread and soft ldpc for small mcs --- openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c | 72 +++- .../LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c | 4 +- .../GENERIC-NR-5GC/CONF/gNB_SA_40_2x2.conf | 323 ++++++++++++++++++ 3 files changed, 390 insertions(+), 9 deletions(-) create mode 100755 targets/PROJECTS/GENERIC-NR-5GC/CONF/gNB_SA_40_2x2.conf diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c b/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c index 6457461c65..90c466ae84 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c +++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c @@ -411,6 +411,13 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, int no_iteration_ldpc; int length_dec; uint8_t crc_type; + int K_bits_F; + int16_t z [68*384 + 16] __attribute__ ((aligned(16))); + int8_t l [68*384 + 16] __attribute__ ((aligned(16))); + + __m128i *pv = (__m128i*)&z; + __m128i *pl = (__m128i*)&l; + #ifdef PRINT_CRC_CHECK prnt_crc_cnt++; #endif @@ -435,7 +442,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, harq_process->processedSegments = 0; double Coderate = 0.0; - + uint8_t Ilbrm = 0; // ------------------------------------------------------------------ uint16_t nb_rb = pusch_pdu->rb_size; uint8_t Qm = pusch_pdu->qam_mod_order; @@ -576,7 +583,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, offset = 0; if (enable_ldpc_offload) { - + if (harq_process->C == 1) { if (A > 3824) crc_type = CRC24_A; @@ -594,11 +601,12 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, E = nr_get_E(G, harq_process->C, Qm, n_layers, r); memset(harq_process->c[r],0,Kr_bytes); + if (mcs >9){ memcpy((&z_ol[0]),ulsch_llr+r_offset,E*sizeof(short)); for (i=0, j=0; j < ((kc*harq_process->Z)>>4)+1; i+=2, j++) { - pl_ol128[j] = _mm_packs_epi16(_mm_slli_epi16(pv_ol128[i],1),_mm_slli_epi16(pv_ol128[i+1],1)); + pl_ol128[j] = _mm_packs_epi16(pv_ol128[i],pv_ol128[i+1]); } ret = nrLDPC_decoder_offload(p_decParams, @@ -609,11 +617,61 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, Qm, (int8_t*)&pl_ol128[0], llrProcBuf, 1); - - if (ret<0) { + } + else{ + K_bits_F = Kr-harq_process->F; + + t_nrLDPC_time_stats procTime = {0}; + t_nrLDPC_time_stats* p_procTime = &procTime ; + + nr_deinterleaving_ldpc(E, + Qm, + harq_process->e[r], + ulsch_llr+r_offset); + + if (nr_rate_matching_ldpc_rx(Ilbrm, + Tbslbrm, + p_decParams->BG, + p_decParams->Z, + harq_process->d[r], + harq_process->e[r], + harq_process->C, + pusch_pdu->pusch_data.rv_index, + harq_process->new_rx, + E, + harq_process->F, + Kr-harq_process->F-2*(p_decParams->Z))==-1) { + + LOG_E(PHY,"ulsch_decoding.c: Problem in rate_matching\n"); + no_iteration_ldpc = ulsch->max_ldpc_iterations + 1; + return; + } + + //set first 2*Z_c bits to zeros + memset(&z[0],0,2*harq_process->Z*sizeof(int16_t)); + //set Filler bits + memset((&z[0]+K_bits_F),127,harq_process->F*sizeof(int16_t)); + //Move coded bits before filler bits + memcpy((&z[0]+2*harq_process->Z),harq_process->d[r],(K_bits_F-2*harq_process->Z)*sizeof(int16_t)); + //skip filler bits + memcpy((&z[0]+Kr),harq_process->d[r]+(Kr-2*harq_process->Z),(kc*harq_process->Z-Kr)*sizeof(int16_t)); + //Saturate coded bits before decoding into 8 bits values + for (i=0, j=0; j < ((kc*harq_process->Z)>>4)+1; i+=2, j++) + { + pl[j] = _mm_packs_epi16(pv[i],pv[i+1]); + } + + no_iteration_ldpc = nrLDPC_decoder(p_decParams, + (int8_t*)&pl[0], + llrProcBuf, + harq_process->p_nrLDPC_procBuf[r], + p_procTime); + + } + /*if (ret<0) { no_iteration_ldpc = ulsch->max_ldpc_iterations + 1; } - else { + else {*/ for (int m=0; m < Kr>>3; m ++) { harq_process->c[r][m]= (uint8_t) llrProcBuf[m]; @@ -630,7 +688,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, #endif no_iteration_ldpc = ulsch->max_ldpc_iterations + 1; } - } + //} r_offset += E; diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c index bd2836c3e7..f93d41028d 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c @@ -1239,7 +1239,7 @@ void pf_ul(module_id_t module_id, sched_ctrl->update_pusch_ps = false; } NR_sched_pusch_t *sched_pusch = &sched_ctrl->sched_pusch; - sched_pusch->mcs = 9; + sched_pusch->mcs = 12; update_ul_ue_R_Qm(sched_pusch, ps); sched_pusch->rbStart = rbStart; sched_pusch->rbSize = min_rb; @@ -1265,7 +1265,7 @@ void pf_ul(module_id_t module_id, add_tail_nr_list(&UE_sched, UE_id); /* Calculate coefficient*/ - sched_pusch->mcs = 9; + sched_pusch->mcs = 12; const uint32_t tbs = ul_pf_tbs[ps->mcs_table][sched_pusch->mcs]; coeff_ue[UE_id] = (float) tbs / ul_thr_ue[UE_id]; LOG_D(NR_MAC,"b %d, ul_thr_ue[%d] %f, tbs %d, coeff_ue[%d] %f\n", diff --git a/targets/PROJECTS/GENERIC-NR-5GC/CONF/gNB_SA_40_2x2.conf b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gNB_SA_40_2x2.conf new file mode 100755 index 0000000000..a050ed6035 --- /dev/null +++ b/targets/PROJECTS/GENERIC-NR-5GC/CONF/gNB_SA_40_2x2.conf @@ -0,0 +1,323 @@ +Active_gNBs = ( "gNB-OAI"); +# Asn1_verbosity, choice in: none, info, annoying +Asn1_verbosity = "none"; + +gNBs = +( + { + ////////// Identification parameters: + gNB_CU_ID = 0xe00; + +# cell_type = "CELL_MACRO_GNB"; + + gNB_name = "gNB-OAI"; + + // Tracking area code, 0x0000 and 0xfffe are reserved values + tracking_area_code = 1; + + plmn_list = ({ + mcc = 208; + mnc = 99; + mnc_length = 2; + snssaiList = ( + { + sst = 1; + sd = 0x010203; // 0 false, else true + }, + { + sst = 1; + sd = 0x112233; // 0 false, else true + } + ); + }); + + nr_cellid = 12345678L + +# tr_s_preference = "local_mac" + + ////////// Physical parameters: + + ssb_SubcarrierOffset = 0; + pdsch_AntennaPorts = 1; + pusch_AntennaPorts = 2; + min_rxtxtime_pdsch = 2; + ul_prbblacklist = "51,52,53,54" + pdcch_ConfigSIB1 = ( + { + controlResourceSetZero = 11; + searchSpaceZero = 0; + } + ); + + servingCellConfigCommon = ( + { + #spCellConfigCommon + + physCellId = 0; + +# downlinkConfigCommon + #frequencyInfoDL + # this is 3301.68 MHz + 22*12*30e-3 MHz = 3309.6 + #absoluteFrequencySSB = 620640; + # this is 3300.60 MHz + 53*12*30e-3 MHz = 3319.68 + absoluteFrequencySSB = 621312; + # this is 3503.28 MHz + 22*12*30e-3 MHz = 3511.2 + #absoluteFrequencySSB = 634080; + # this is 3600.48 MHz + #absoluteFrequencySSB = 640032; + #dl_frequencyBand = 78; + # this is 3301.68 MHz + #dl_absoluteFrequencyPointA = 620112; + # this is 3300.60 MHz + dl_absoluteFrequencyPointA = 620040; + # this is 3502.56 MHz + #dl_absoluteFrequencyPointA = 633552; + # this is 3600.48 MHz + #dl_absoluteFrequencyPointA = 640032; + #scs-SpecificCarrierList + dl_offstToCarrier = 0; +# subcarrierSpacing +# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120 + dl_subcarrierSpacing = 1; + dl_carrierBandwidth = 106; + #initialDownlinkBWP + #genericParameters + # this is RBstart=0,L=106 (275*(L-1))+RBstart + initialDLBWPlocationAndBandwidth = 28875; +# subcarrierSpacing +# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120 + initialDLBWPsubcarrierSpacing = 1; + #pdcch-ConfigCommon + initialDLBWPcontrolResourceSetZero = 11; + initialDLBWPsearchSpaceZero = 0; + #pdsch-ConfigCommon + #pdschTimeDomainAllocationList (up to 16 entries) + initialDLBWPk0_0 = 0; + #initialULBWPmappingType + #0=typeA,1=typeB + initialDLBWPmappingType_0 = 0; + #this is SS=1,L=13 + initialDLBWPstartSymbolAndLength_0 = 40; + + initialDLBWPk0_1 = 0; + initialDLBWPmappingType_1 = 0; + #this is SS=1,L=5 + initialDLBWPstartSymbolAndLength_1 = 57; + + #uplinkConfigCommon + #frequencyInfoUL + ul_frequencyBand = 78; + #scs-SpecificCarrierList + ul_offstToCarrier = 0; +# subcarrierSpacing +# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120 + ul_subcarrierSpacing = 1; + ul_carrierBandwidth = 106; + pMax = 20; + #initialUplinkBWP + #genericParameters + initialULBWPlocationAndBandwidth = 28875; +# subcarrierSpacing +# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120 + initialULBWPsubcarrierSpacing = 1; + #rach-ConfigCommon + #rach-ConfigGeneric + prach_ConfigurationIndex = 98; +#prach_msg1_FDM +#0 = one, 1=two, 2=four, 3=eight + prach_msg1_FDM = 0; + prach_msg1_FrequencyStart = 0; + zeroCorrelationZoneConfig = 12; + preambleReceivedTargetPower = -104; +#preamblTransMax (0...10) = (3,4,5,6,7,8,10,20,50,100,200) + preambleTransMax = 6; +#powerRampingStep +# 0=dB0,1=dB2,2=dB4,3=dB6 + powerRampingStep = 1; +#ra_ReponseWindow +#1,2,4,8,10,20,40,80 + ra_ResponseWindow = 4; +#ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR +#1=oneeighth,2=onefourth,3=half,4=one,5=two,6=four,7=eight,8=sixteen + ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR = 3; +#oneHalf (0..15) 4,8,12,16,...60,64 + ssb_perRACH_OccasionAndCB_PreamblesPerSSB = 15; +#ra_ContentionResolutionTimer +#(0..7) 8,16,24,32,40,48,56,64 + ra_ContentionResolutionTimer = 7; + rsrp_ThresholdSSB = 19; +#prach-RootSequenceIndex_PR +#1 = 839, 2 = 139 + prach_RootSequenceIndex_PR = 2; + prach_RootSequenceIndex = 1; + # SCS for msg1, can only be 15 for 30 kHz < 6 GHz, takes precendence over the one derived from prach-ConfigIndex + # + msg1_SubcarrierSpacing = 1, +# restrictedSetConfig +# 0=unrestricted, 1=restricted type A, 2=restricted type B + restrictedSetConfig = 0, + + # pusch-ConfigCommon (up to 16 elements) + initialULBWPk2_0 = 6; + initialULBWPmappingType_0 = 1 + # this is SS=2 L=13 + initialULBWPstartSymbolAndLength_0 = 41; + + initialULBWPk2_1 = 6; + initialULBWPmappingType_1 = 1; + # this is SS=0 L=4 + initialULBWPstartSymbolAndLength_1 = 52; + + initialULBWPk2_2 = 7; + initialULBWPmappingType_2 = 1; + # this is SS=10 L=4 + initialULBWPstartSymbolAndLength_2 = 52; + + msg3_DeltaPreamble = 1; + p0_NominalWithGrant =-90; + +# pucch-ConfigCommon setup : +# pucchGroupHopping +# 0 = neither, 1= group hopping, 2=sequence hopping + pucchGroupHopping = 0; + hoppingId = 40; + p0_nominal = -90; +# ssb_PositionsInBurs_BitmapPR +# 1=short, 2=medium, 3=long + ssb_PositionsInBurst_PR = 2; + ssb_PositionsInBurst_Bitmap = 1; + +# ssb_periodicityServingCell +# 0 = ms5, 1=ms10, 2=ms20, 3=ms40, 4=ms80, 5=ms160, 6=spare2, 7=spare1 + ssb_periodicityServingCell = 2; + +# dmrs_TypeA_position +# 0 = pos2, 1 = pos3 + dmrs_TypeA_Position = 0; + +# subcarrierSpacing +# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120 + subcarrierSpacing = 1; + + + #tdd-UL-DL-ConfigurationCommon +# subcarrierSpacing +# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120 + referenceSubcarrierSpacing = 1; + # pattern1 + # dl_UL_TransmissionPeriodicity + # 0=ms0p5, 1=ms0p625, 2=ms1, 3=ms1p25, 4=ms2, 5=ms2p5, 6=ms5, 7=ms10 + dl_UL_TransmissionPeriodicity = 6; + nrofDownlinkSlots = 7; + nrofDownlinkSymbols = 6; + nrofUplinkSlots = 2; + nrofUplinkSymbols = 4; + + ssPBCH_BlockPower = -25; + } + + ); + + + # ------- SCTP definitions + SCTP : + { + # Number of streams to use in input/output + SCTP_INSTREAMS = 2; + SCTP_OUTSTREAMS = 2; + }; + + ////////// AMF parameters: + amf_ip_address = ( { ipv4 = "192.168.69.131"; + ipv6 = "192:168:30::17"; + active = "yes"; + preference = "ipv4"; + } + ); + + NETWORK_INTERFACES : + { + + GNB_INTERFACE_NAME_FOR_NG_AMF = "em1"; + GNB_IPV4_ADDRESS_FOR_NG_AMF = "192.168.18.196/24"; + GNB_INTERFACE_NAME_FOR_NGU = "em1"; + GNB_IPV4_ADDRESS_FOR_NGU = "192.168.18.196/24"; + GNB_PORT_FOR_S1U = 2152; # Spec 2152 + }; + + } +); + +MACRLCs = ( + { + num_cc = 1; + tr_s_preference = "local_L1"; + tr_n_preference = "local_RRC"; + pusch_TargetSNRx10 = 200; + pucch_TargetSNRx10 = 200; + ulsch_max_slots_inactivity=10; + } +); + +L1s = ( + { + num_cc = 1; + tr_n_preference = "local_mac"; + pusch_proc_threads = 3; + prach_dtx_threshold = 120; + pucch0_dtx_threshold = 50; + } +); + +RUs = ( + { + local_rf = "yes" + nb_tx = 2 + nb_rx = 2 + att_tx = 0 + att_rx = 0; + bands = [78]; + max_pdschReferenceSignalPower = -27; + max_rxgain = 75; + eNB_instances = [0]; + ##beamforming 1x2 matrix: 1 layer x 2 antennas + bf_weights = [0x00007fff, 0x0000]; + ##beamforming 1x4 matrix: 1 layer x 4 antennas + #bf_weights = [0x00007fff, 0x0000,0x0000, 0x0000]; + ## beamforming 2x2 matrix: + # bf_weights = [0x00007fff, 0x00000000, 0x00000000, 0x00007fff]; + ## beamforming 4x4 matrix: + #bf_weights = [0x00007fff, 0x0000, 0x0000, 0x0000, 0x00000000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff]; + + sdr_addrs = "addr=192.168.30.2,second_addr=192.168.50.2,clock_source=internal,time_source=internal" + } +); + +THREAD_STRUCT = ( + { + #three config for level of parallelism "PARALLEL_SINGLE_THREAD", "PARALLEL_RU_L1_SPLIT", or "PARALLEL_RU_L1_TRX_SPLIT" + parallel_config = "PARALLEL_SINGLE_THREAD"; + #two option for worker "WORKER_DISABLE" or "WORKER_ENABLE" + worker_config = "WORKER_ENABLE"; + } +); + + log_config : + { + global_log_level ="info"; + global_log_verbosity ="medium"; + hw_log_level ="info"; + hw_log_verbosity ="medium"; + phy_log_level ="info"; + phy_log_verbosity ="medium"; + mac_log_level ="info"; + mac_log_verbosity ="high"; + rlc_log_level ="info"; + rlc_log_verbosity ="medium"; + pdcp_log_level ="info"; + pdcp_log_verbosity ="medium"; + rrc_log_level ="info"; + rrc_log_verbosity ="medium"; + f1ap_log_level ="debug"; + f1ap_log_verbosity ="medium"; + };