705 lines
22 KiB
C
705 lines
22 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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#include <string.h>
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#include <math.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include "common/ran_context.h"
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#include "common/config/config_userapi.h"
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#include "common/utils/LOG/log.h"
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#include "common/utils/LOG/vcd_signal_dumper.h"
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#include "common/utils/load_module_shlib.h"
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#include "T.h"
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#include "PHY/defs_gNB.h"
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#include "PHY/defs_nr_common.h"
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#include "PHY/defs_nr_UE.h"
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#include "PHY/types.h"
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#include "PHY/CODING/nrLDPC_coding/nrLDPC_coding_interface.h"
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#include "PHY/INIT/nr_phy_init.h"
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#include "PHY/MODULATION/modulation_eNB.h"
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#include "PHY/MODULATION/modulation_UE.h"
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#include "PHY/NR_REFSIG/refsig_defs_ue.h"
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#include "PHY/NR_TRANSPORT/nr_dlsch.h"
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#include "PHY/NR_TRANSPORT/nr_transport_proto.h"
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#include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h"
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#include "SCHED_NR/sched_nr.h"
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#include "openair1/SIMULATION/TOOLS/sim.h"
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#include "openair1/SIMULATION/RF/rf.h"
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#include "openair1/SIMULATION/NR_PHY/nr_unitary_defs.h"
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#include "openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h"
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#include "executables/nr-uesoftmodem.h"
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#include "nfapi/oai_integration/vendor_ext.h"
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//#define DEBUG_NR_DLSCHSIM
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THREAD_STRUCT thread_struct;
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PHY_VARS_gNB *gNB;
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PHY_VARS_NR_UE *UE;
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RAN_CONTEXT_t RC;
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UE_nr_rxtx_proc_t proc;
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int32_t uplink_frequency_offset[MAX_NUM_CCs][4];
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uint64_t downlink_frequency[MAX_NUM_CCs][4];
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double cpuf;
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//uint8_t nfapi_mode = 0;
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const int NB_UE_INST = 1;
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uint8_t const nr_rv_round_map[4] = {0, 2, 3, 1};
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const short conjugate[8]__attribute__((aligned(16))) = {-1,1,-1,1,-1,1,-1,1};
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const short conjugate2[8]__attribute__((aligned(16))) = {1,-1,1,-1,1,-1,1,-1};
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// needed for some functions
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PHY_VARS_NR_UE *PHY_vars_UE_g[1][1] = { { NULL } };
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uint16_t n_rnti = 0x1234;
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openair0_config_t openair0_cfg[MAX_CARDS];
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static softmodem_params_t softmodem_params;
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softmodem_params_t *get_softmodem_params(void) {
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return &softmodem_params;
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}
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void init_downlink_harq_status(NR_DL_UE_HARQ_t *dl_harq) {}
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NR_IF_Module_t *NR_IF_Module_init(int Mod_id) { return (NULL); }
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nfapi_mode_t nfapi_getmode(void) { return NFAPI_MODE_UNKNOWN; }
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void inc_ref_sched_response(int _)
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{
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LOG_E(PHY, "fatal\n");
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exit(1);
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}
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void deref_sched_response(int _)
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{
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LOG_E(PHY, "fatal\n");
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exit(1);
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}
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nrUE_params_t nrUE_params={0};
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nrUE_params_t *get_nrUE_params(void) {
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return &nrUE_params;
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}
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configmodule_interface_t *uniqCfg = NULL;
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int main(int argc, char **argv)
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{
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int i;
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double SNR, SNR_lin, snr0 = -2.0, snr1 = 2.0;
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double snr_step = 0.1;
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uint8_t snr1set = 0;
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int **txdata;
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double **s_re, **s_im, **r_re, **r_im;
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FILE *output_fd = NULL;
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//uint8_t write_output_file = 0;
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int trial, n_trials = 1, n_errors = 0, n_false_positive = 0;
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uint8_t n_tx = 1, n_rx = 1;
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uint16_t Nid_cell = 0;
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channel_desc_t *gNB2UE;
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uint8_t extended_prefix_flag = 0;
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FILE *input_fd = NULL, *pbch_file_fd = NULL;
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SCM_t channel_model = AWGN; //Rayleigh1_anticorr;
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uint16_t N_RB_DL = 106, mu = 1;
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unsigned char pbch_phase = 0;
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int frame = 0, slot = 0;
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int frame_length_complex_samples;
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//int frame_length_complex_samples_no_prefix;
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NR_DL_FRAME_PARMS *frame_parms;
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double sigma;
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unsigned char qbits = 8;
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int ret;
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int loglvl = OAILOG_WARNING;
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uint8_t dlsch_threads = 0;
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float target_error_rate = 0.01;
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uint64_t SSB_positions=0x01;
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uint16_t nb_symb_sch = 12;
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uint16_t nb_rb = 50;
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uint8_t Imcs = 9;
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uint8_t mcs_table = 0;
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double DS_TDL = .03;
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cpuf = get_cpu_freq_GHz();
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char gNBthreads[128]="n";
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int Tbslbrm = 950984;
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if ((uniqCfg = load_configmodule(argc, argv, CONFIG_ENABLECMDLINEONLY)) == 0) {
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exit_fun("[NR_DLSCHSIM] Error, configuration module init failed\n");
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}
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// logInit();
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randominit(0);
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int c;
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while ((c = getopt(argc, argv, "--:O:df:hpVg:i:j:n:l:m:r:s:S:y:z:M:N:F:R:P:L:X:")) != -1) {
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/* ignore long options starting with '--' and their arguments that are handled by configmodule */
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/* with this opstring getopt returns 1 for non-option arguments, refer to 'man 3 getopt' */
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if (c == 1 || c == '-' || c == 'O')
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continue;
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printf("handling optarg %c\n",c);
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switch (c) {
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/*case 'f':
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write_output_file = 1;
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output_fd = fopen(optarg, "w");
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if (output_fd == NULL) {
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printf("Error opening %s\n", optarg);
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exit(-1);
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}
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break;*/
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case 'd':
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dlsch_threads = atoi(optarg);
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break;
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case 'g':
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switch ((char) *optarg) {
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case 'A':
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channel_model = SCM_A;
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break;
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case 'B':
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channel_model = SCM_B;
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break;
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case 'C':
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channel_model = SCM_C;
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break;
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case 'D':
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channel_model = SCM_D;
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break;
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case 'E':
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channel_model = EPA;
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break;
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case 'F':
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channel_model = EVA;
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break;
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case 'G':
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channel_model = ETU;
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break;
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default:
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printf("Unsupported channel model! Exiting.\n");
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exit(-1);
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}
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break;
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case 'n':
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n_trials = atoi(optarg);
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break;
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case 's':
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snr0 = atof(optarg);
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#ifdef DEBUG_NR_DLSCHSIM
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printf("Setting SNR0 to %f\n", snr0);
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#endif
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break;
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case 'V':
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ouput_vcd = 1;
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break;
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case 'S':
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snr1 = atof(optarg);
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snr1set = 1;
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printf("Setting SNR1 to %f\n", snr1);
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#ifdef DEBUG_NR_DLSCHSIM
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printf("Setting SNR1 to %f\n", snr1);
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#endif
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break;
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case 'p':
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extended_prefix_flag = 1;
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break;
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/*
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case 'r':
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ricean_factor = pow(10,-.1*atof(optarg));
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if (ricean_factor>1) {
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printf("Ricean factor must be between 0 and 1\n");
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exit(-1);
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}
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break;
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*/
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case 'y':
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n_tx = atoi(optarg);
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if ((n_tx == 0) || (n_tx > 2)) {
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printf("Unsupported number of TX antennas %d. Exiting.\n", n_tx);
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exit(-1);
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}
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break;
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case 'z':
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n_rx = atoi(optarg);
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if ((n_rx == 0) || (n_rx > 2)) {
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printf("Unsupported number of RX antennas %d. Exiting.\n", n_rx);
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exit(-1);
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}
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break;
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case 'M':
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SSB_positions = atoi(optarg);
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break;
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case 'N':
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Nid_cell = atoi(optarg);
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break;
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case 'R':
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N_RB_DL = atoi(optarg);
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break;
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case 'F':
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input_fd = fopen(optarg, "r");
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if (input_fd == NULL) {
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printf("Problem with filename %s. Exiting.\n", optarg);
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exit(-1);
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}
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break;
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case 'P':
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pbch_phase = atoi(optarg);
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if (pbch_phase > 3)
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printf("Illegal PBCH phase (0-3) got %d\n", pbch_phase);
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break;
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case 'L':
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loglvl = atoi(optarg);
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break;
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case 'm':
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Imcs = atoi(optarg);
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break;
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case 'l':
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nb_symb_sch = atoi(optarg);
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break;
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case 'r':
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nb_rb = atoi(optarg);
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break;
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case 'X':
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strncpy(gNBthreads, optarg, sizeof(gNBthreads)-1);
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gNBthreads[sizeof(gNBthreads)-1]=0;
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break;
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default:
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case 'h':
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printf("%s -h(elp) -p(extended_prefix) -N cell_id -f output_filename -F input_filename -g channel_model -n n_frames -t Delayspread -s snr0 -S snr1 -y TXant -z RXant -i Intefrence0 -j Interference1 -A interpolation_file -C(alibration offset dB) -N CellId\n", argv[0]);
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printf("-h This message\n");
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printf("-p Use extended prefix mode\n");
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printf("-V Enable VCD dumb functions\n");
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//printf("-d Use TDD\n");
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printf("-n Number of frames to simulate\n");
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printf("-s Starting SNR, runs from SNR0 to SNR0 + 5 dB. If n_frames is 1 then just SNR is simulated\n");
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printf("-S Ending SNR, runs from SNR0 to SNR1\n");
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printf("-t Delay spread for multipath channel\n");
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printf("-g [A,B,C,D,E,F,G] Use 3GPP SCM (A,B,C,D) or 36-101 (E-EPA,F-EVA,G-ETU) models (ignores delay spread and Ricean factor)\n");
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//printf("-x Transmission mode (1,2,6 for the moment)\n");
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printf("-y Number of TX antennas used in eNB\n");
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printf("-z Number of RX antennas used in UE\n");
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//printf("-i Relative strength of first intefering eNB (in dB) - cell_id mod 3 = 1\n");
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//printf("-j Relative strength of second intefering eNB (in dB) - cell_id mod 3 = 2\n");
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printf("-M Multiple SSB positions in burst\n");
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printf("-N Nid_cell\n");
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printf("-R N_RB_DL\n");
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printf("-O oversampling factor (1,2,4,8,16)\n");
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printf("-A Interpolation_filname Run with Abstraction to generate Scatter plot using interpolation polynomial in file\n");
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//printf("-C Generate Calibration information for Abstraction (effective SNR adjustment to remove Pe bias w.r.t. AWGN)\n");
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//printf("-f Output filename (.txt format) for Pe/SNR results\n");
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printf("-F Input filename (.txt format) for RX conformance testing\n");
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printf("-d number of dlsch threads, 0: no dlsch parallelization\n");
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exit(-1);
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break;
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}
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}
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logInit();
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set_glog(loglvl);
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if (snr1set == 0)
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snr1 = snr0 + 10;
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if (ouput_vcd)
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vcd_signal_dumper_init("/tmp/openair_dump_nr_dlschsim.vcd");
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gNB2UE = new_channel_desc_scm(n_tx,
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n_rx,
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channel_model,
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61.44e6, //N_RB2sampling_rate(N_RB_DL),
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0,
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40e6, //N_RB2channel_bandwidth(N_RB_DL),
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DS_TDL,
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0.0,
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CORR_LEVEL_LOW,
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0,
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0,
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0,
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0);
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if (gNB2UE == NULL) {
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printf("Problem generating channel model. Exiting.\n");
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exit(-1);
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}
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RC.gNB = (PHY_VARS_gNB **) malloc(sizeof(PHY_VARS_gNB *));
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RC.gNB[0] = calloc(1, sizeof(PHY_VARS_gNB));
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gNB = RC.gNB[0];
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initNamedTpool(gNBthreads, &gNB->threadPool, true, "gNB-tpool");
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initFloatingCoresTpool(dlsch_threads, &nrUE_params.Tpool, false, "UE-tpool");
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//gNB_config = &gNB->gNB_config;
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frame_parms = &gNB->frame_parms; //to be initialized I suppose (maybe not necessary for PBCH)
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frame_parms->nb_antennas_tx = n_tx;
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frame_parms->nb_antennas_rx = n_rx;
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frame_parms->N_RB_DL = N_RB_DL;
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frame_parms->Ncp = extended_prefix_flag ? EXTENDED : NORMAL;
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crcTableInit();
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nr_phy_config_request_sim(gNB, N_RB_DL, N_RB_DL, mu, Nid_cell,SSB_positions);
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gNB->gNB_config.tdd_table.tdd_period.value = 6;
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set_tdd_config_nr(&gNB->gNB_config, mu, 7, 6, 2, 4);
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phy_init_nr_gNB(gNB);
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//init_eNB_afterRU();
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frame_length_complex_samples = frame_parms->samples_per_subframe;
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//frame_length_complex_samples_no_prefix = frame_parms->samples_per_subframe_wCP;
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s_re = malloc(2 * sizeof(double *));
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s_im = malloc(2 * sizeof(double *));
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r_re = malloc(2 * sizeof(double *));
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r_im = malloc(2 * sizeof(double *));
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txdata = malloc(2 * sizeof(int *));
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for (i = 0; i < 2; i++) {
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s_re[i] = malloc(frame_length_complex_samples * sizeof(double));
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bzero(s_re[i], frame_length_complex_samples * sizeof(double));
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s_im[i] = malloc(frame_length_complex_samples * sizeof(double));
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bzero(s_im[i], frame_length_complex_samples * sizeof(double));
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r_re[i] = malloc(frame_length_complex_samples * sizeof(double));
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bzero(r_re[i], frame_length_complex_samples * sizeof(double));
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r_im[i] = malloc(frame_length_complex_samples * sizeof(double));
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bzero(r_im[i], frame_length_complex_samples * sizeof(double));
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txdata[i] = malloc(frame_length_complex_samples * sizeof(int));
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bzero(r_re[i], frame_length_complex_samples * sizeof(int)); // [hna] r_re should be txdata
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}
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if (pbch_file_fd != NULL) {
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load_pbch_desc(pbch_file_fd);
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}
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//configure UE
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UE = calloc(1, sizeof(*UE));
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memcpy(&UE->frame_parms, frame_parms, sizeof(NR_DL_FRAME_PARMS));
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//phy_init_nr_top(frame_parms);
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if (init_nr_ue_signal(UE, 1) != 0) {
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printf("Error at UE NR initialisation\n");
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exit(-1);
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}
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//nr_init_frame_parms_ue(&UE->frame_parms);
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//init_nr_ue_transport(UE, 0);
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UE->nrLDPC_coding_interface = gNB->nrLDPC_coding_interface;
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NR_UE_DLSCH_t dlsch_ue[NR_MAX_NB_LAYERS > 4? 2:1] = {0};
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int num_codeword = NR_MAX_NB_LAYERS > 4? 2:1;
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nr_ue_dlsch_init(dlsch_ue, num_codeword, 5);
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for (int i=0; i < num_codeword; i++)
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dlsch_ue[0].rnti = n_rnti;
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nr_init_dl_harq_processes(UE->dl_harq_processes, 8, nb_rb);
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unsigned char harq_pid = 0; //dlsch->harq_ids[subframe];
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processingData_L1tx_t msgDataTx;
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init_DLSCH_struct(gNB, &msgDataTx);
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NR_gNB_DLSCH_t *dlsch = &msgDataTx.dlsch[0][0];
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nfapi_nr_dl_tti_pdsch_pdu_rel15_t *rel15 = &dlsch->harq_process.pdsch_pdu.pdsch_pdu_rel15;
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//time_stats_t *rm_stats, *te_stats, *i_stats;
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unsigned int TBS = 8424;
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uint8_t nb_re_dmrs = 6; // No data in dmrs symbol
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uint16_t length_dmrs = 1;
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uint8_t Nl = 1;
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uint8_t rvidx = 0;
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/*dlsch->harq_processes[0]->mcs = Imcs;
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dlsch->harq_processes[0]->rvidx = rvidx;*/
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//printf("dlschsim harqid %d nb_rb %d, mscs %d\n",dlsch->harq_ids[subframe],
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// dlsch->harq_processes[0]->nb_rb,dlsch->harq_processes[0]->mcs,dlsch->harq_processes[0]->Nl);
|
|
unsigned char mod_order = nr_get_Qm_dl(Imcs, mcs_table);
|
|
uint16_t rate = nr_get_code_rate_dl(Imcs, mcs_table);
|
|
unsigned int available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, 0, mod_order, Nl);
|
|
TBS = nr_compute_tbs(mod_order,rate, nb_rb, nb_symb_sch, nb_re_dmrs*length_dmrs, 0, 0, Nl);
|
|
printf("available bits %u TBS %u mod_order %d\n", available_bits, TBS, mod_order);
|
|
//dlsch->harq_ids[subframe]= 0;
|
|
rel15->rbSize = nb_rb;
|
|
rel15->NrOfSymbols = nb_symb_sch;
|
|
rel15->qamModOrder[0] = mod_order;
|
|
rel15->nrOfLayers = Nl;
|
|
rel15->TBSize[0] = TBS>>3;
|
|
rel15->targetCodeRate[0] = rate;
|
|
rel15->NrOfCodewords = 1;
|
|
rel15->dmrsConfigType = NFAPI_NR_DMRS_TYPE1;
|
|
rel15->dlDmrsSymbPos = 4;
|
|
rel15->mcsIndex[0] = Imcs;
|
|
rel15->numDmrsCdmGrpsNoData = 1;
|
|
rel15->maintenance_parms_v3.tbSizeLbrmBytes = Tbslbrm;
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|
rel15->maintenance_parms_v3.ldpcBaseGraph = get_BG(TBS, rate);
|
|
double modulated_input[16 * 68 * 384]; // [hna] 16 segments, 68*Zc
|
|
short channel_output_fixed[16 * 68 * 384];
|
|
//unsigned char *estimated_output;
|
|
unsigned int errors_bit = 0;
|
|
unsigned char test_input_bit[16 * 68 * 384];
|
|
//estimated_output = (unsigned char *) malloc16(sizeof(unsigned char) * 16 * 68 * 384);
|
|
unsigned char estimated_output_bit[16 * 68 * 384];
|
|
NR_UE_DLSCH_t *dlsch0_ue = &dlsch_ue[0];
|
|
NR_DL_UE_HARQ_t *harq_process = &UE->dl_harq_processes[0][harq_pid];
|
|
harq_process->first_rx = 1;
|
|
dlsch0_ue->dlsch_config.mcs = Imcs;
|
|
dlsch0_ue->dlsch_config.mcs_table = mcs_table;
|
|
dlsch0_ue->Nl = Nl;
|
|
dlsch0_ue->dlsch_config.number_rbs = nb_rb;
|
|
dlsch0_ue->dlsch_config.qamModOrder = mod_order;
|
|
dlsch0_ue->dlsch_config.rv = rvidx;
|
|
dlsch0_ue->dlsch_config.targetCodeRate = rate;
|
|
dlsch0_ue->dlsch_config.TBS = TBS;
|
|
dlsch0_ue->dlsch_config.ldpcBaseGraph = get_BG(TBS, rate);
|
|
dlsch0_ue->dlsch_config.dmrsConfigType = NFAPI_NR_DMRS_TYPE1;
|
|
dlsch0_ue->dlsch_config.dlDmrsSymbPos = 4;
|
|
dlsch0_ue->dlsch_config.n_dmrs_cdm_groups = 1;
|
|
dlsch0_ue->dlsch_config.tbslbrm = Tbslbrm;
|
|
printf("harq process ue mcs = %d Qm = %d, symb %d\n", dlsch0_ue->dlsch_config.mcs, dlsch0_ue->dlsch_config.qamModOrder, nb_symb_sch);
|
|
|
|
unsigned char *test_input=dlsch->harq_process.pdu;
|
|
//unsigned char test_input[TBS / 8] __attribute__ ((aligned(16)));
|
|
for (i = 0; i < TBS / 8; i++)
|
|
test_input[i] = (unsigned char) rand();
|
|
|
|
#ifdef DEBUG_NR_DLSCHSIM
|
|
for (i = 0; i < TBS / 8; i++) printf("test_input[i]=%hhu \n",test_input[i]);
|
|
#endif
|
|
|
|
/*for (int i=0; i<TBS/8; i++)
|
|
printf("test input[%d]=%d \n",i,test_input[i]);*/
|
|
|
|
//printf("crc32: [0]->0x%08x\n",crc24c(test_input, 32));
|
|
// generate signal
|
|
unsigned char output[rel15->rbSize * NR_SYMBOLS_PER_SLOT * NR_NB_SC_PER_RB * 8 * NR_MAX_NB_LAYERS] __attribute__((aligned(32)));
|
|
bzero(output,rel15->rbSize * NR_SYMBOLS_PER_SLOT * NR_NB_SC_PER_RB * 8 * NR_MAX_NB_LAYERS);
|
|
if (input_fd == NULL) {
|
|
msgDataTx.num_pdsch_slot = 1;
|
|
nr_dlsch_encoding(gNB, &msgDataTx, frame, slot, frame_parms, output, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
|
|
}
|
|
|
|
for (SNR = snr0; SNR < snr1; SNR += snr_step) {
|
|
n_errors = 0;
|
|
n_false_positive = 0;
|
|
|
|
for (trial = 0; trial < n_trials; trial++) {
|
|
for (i = 0; i < available_bits; i++) {
|
|
#ifdef DEBUG_CODER
|
|
if ((i&0xf)==0)
|
|
printf("\ne %d..%d: ",i,i+15);
|
|
#endif
|
|
|
|
//if (i<16)
|
|
// printf("encoder output f[%d] = %d\n",i,dlsch->harq_processes[0]->f[i]);
|
|
|
|
if (output[i] == 0)
|
|
modulated_input[i] = 1.0; ///sqrt(2); //QPSK
|
|
else
|
|
modulated_input[i] = -1.0; ///sqrt(2);
|
|
|
|
//if (i<16) printf("modulated_input[%d] = %d\n",i,modulated_input[i]);
|
|
//SNR =10;
|
|
SNR_lin = pow(10, SNR / 10.0);
|
|
sigma = 1.0 / sqrt(2 * SNR_lin);
|
|
channel_output_fixed[i] = (short) quantize(sigma / 4.0 / 4.0,
|
|
modulated_input[i] + sigma * gaussdouble(0.0, 1.0),
|
|
qbits);
|
|
//channel_output_fixed[i] = (char)quantize8bit(sigma/4.0,(2.0*modulated_input[i]) - 1.0 + sigma*gaussdouble(0.0,1.0));
|
|
//printf("llr[%d]=%d\n",i,channel_output_fixed[i]);
|
|
//printf("channel_output_fixed[%d]: %d\n",i,channel_output_fixed[i]);
|
|
|
|
//channel_output_fixed[i] = (char)quantize(1,channel_output_fixed[i],qbits);
|
|
/*
|
|
if (i<16) printf("input[%d] %f => channel_output_fixed[%d] = %d\n",
|
|
i,modulated_input[i],
|
|
i,channel_output_fixed[i]);
|
|
*/
|
|
}
|
|
|
|
#ifdef DEBUG_CODER
|
|
printf("\n");
|
|
exit(-1);
|
|
#endif
|
|
|
|
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_DECODING0, VCD_FUNCTION_IN);
|
|
|
|
int a_segments = MAX_NUM_NR_DLSCH_SEGMENTS_PER_LAYER*NR_MAX_NB_LAYERS; //number of segments to be allocated
|
|
int num_rb = dlsch0_ue->dlsch_config.number_rbs;
|
|
if (num_rb != 273) {
|
|
a_segments = a_segments*num_rb;
|
|
a_segments = (a_segments/273)+1;
|
|
}
|
|
uint32_t dlsch_bytes = a_segments*1056; // allocated bytes per segment
|
|
__attribute__ ((aligned(32))) uint8_t b[dlsch_bytes];
|
|
uint8_t DLSCH_ids[1] = {0};
|
|
short *p_channel_output_fixed = channel_output_fixed;
|
|
uint8_t *p_b = b;
|
|
int available_bits_array[1] = { available_bits };
|
|
ret = nr_dlsch_decoding(UE,
|
|
&proc,
|
|
dlsch0_ue,
|
|
&p_channel_output_fixed,
|
|
&p_b,
|
|
available_bits_array,
|
|
1,
|
|
DLSCH_ids);
|
|
|
|
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_DECODING0, VCD_FUNCTION_OUT);
|
|
|
|
if (ret > dlsch0_ue->max_ldpc_iterations)
|
|
n_errors++;
|
|
|
|
//count errors
|
|
errors_bit = 0;
|
|
|
|
for (i = 0; i < TBS; i++) {
|
|
estimated_output_bit[i] = (b[i / 8] & (1 << (i & 7))) >> (i & 7);
|
|
test_input_bit[i] = (test_input[i / 8] & (1 << (i & 7))) >> (i & 7); // Further correct for multiple segments
|
|
|
|
if (estimated_output_bit[i] != test_input_bit[i]) {
|
|
errors_bit++;
|
|
//printf("estimated bits error occurs @%d ",i);
|
|
}
|
|
}
|
|
|
|
if (errors_bit > 0) {
|
|
n_false_positive++;
|
|
if (n_trials == 1)
|
|
printf("errors_bit %u (trial %d)\n", errors_bit, trial);
|
|
}
|
|
}
|
|
|
|
printf("SNR %f, BLER %f (false positive %f)\n", SNR,
|
|
(float) n_errors / (float) n_trials,
|
|
(float) n_false_positive / (float) n_trials);
|
|
|
|
if ((float) n_errors / (float) n_trials < target_error_rate) {
|
|
printf("PDSCH test OK\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*LOG_M("txsigF0.m","txsF0", gNB->common_vars.txdataF[0],frame_length_complex_samples_no_prefix,1,1);
|
|
if (gNB->frame_parms.nb_antennas_tx>1)
|
|
LOG_M("txsigF1.m","txsF1", gNB->common_vars.txdataF[1],frame_length_complex_samples_no_prefix,1,1);*/
|
|
|
|
//TODO: loop over slots
|
|
/*for (aa=0; aa<gNB->frame_parms.nb_antennas_tx; aa++) {
|
|
if (gNB_config->subframe_config.dl_cyclic_prefix_type.value == 1) {
|
|
PHY_ofdm_mod(gNB->common_vars.txdataF[aa],
|
|
txdata[aa],
|
|
frame_parms->ofdm_symbol_size,
|
|
12,
|
|
frame_parms->nb_prefix_samples,
|
|
CYCLIC_PREFIX);
|
|
} else {
|
|
nr_normal_prefix_mod(gNB->common_vars.txdataF[aa],
|
|
txdata[aa],
|
|
14,
|
|
frame_parms);
|
|
}
|
|
}
|
|
|
|
LOG_M("txsig0.m","txs0", txdata[0],frame_length_complex_samples,1,1);
|
|
if (gNB->frame_parms.nb_antennas_tx>1)
|
|
LOG_M("txsig1.m","txs1", txdata[1],frame_length_complex_samples,1,1);
|
|
|
|
|
|
for (i=0; i<frame_length_complex_samples; i++) {
|
|
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
|
|
r_re[aa][i] = ((double)(((short *)txdata[aa]))[(i<<1)]);
|
|
r_im[aa][i] = ((double)(((short *)txdata[aa]))[(i<<1)+1]);
|
|
}
|
|
}*/
|
|
|
|
free_channel_desc_scm(gNB2UE);
|
|
|
|
reset_DLSCH_struct(gNB, &msgDataTx);
|
|
|
|
int nb_slots_to_set = TDD_CONFIG_NB_FRAMES * (1 << mu) * NR_NUMBER_OF_SUBFRAMES_PER_FRAME;
|
|
for (int i = 0; i < nb_slots_to_set; ++i)
|
|
free(gNB->gNB_config.tdd_table.max_tdd_periodicity_list[i].max_num_of_symbol_per_slot_list);
|
|
free(gNB->gNB_config.tdd_table.max_tdd_periodicity_list);
|
|
|
|
free_nrLDPC_coding_interface(&gNB->nrLDPC_coding_interface);
|
|
|
|
abortTpool(&gNB->threadPool);
|
|
|
|
phy_free_nr_gNB(gNB);
|
|
free(RC.gNB[0]);
|
|
free(RC.gNB);
|
|
|
|
free_nr_ue_dl_harq(UE->dl_harq_processes, 8, nb_rb);
|
|
term_nr_ue_signal(UE, 1);
|
|
free(UE);
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
free(s_re[i]);
|
|
free(s_im[i]);
|
|
free(r_re[i]);
|
|
free(r_im[i]);
|
|
free(txdata[i]);
|
|
}
|
|
|
|
free(s_re);
|
|
free(s_im);
|
|
free(r_re);
|
|
free(r_im);
|
|
free(txdata);
|
|
|
|
if (output_fd)
|
|
fclose(output_fd);
|
|
|
|
if (input_fd)
|
|
fclose(input_fd);
|
|
|
|
if (ouput_vcd)
|
|
vcd_signal_dumper_close();
|
|
end_configmodule(uniqCfg);
|
|
loader_reset();
|
|
logTerm();
|
|
|
|
return (n_errors);
|
|
}
|
|
|