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698 lines
26 KiB
C++
698 lines
26 KiB
C++
/**
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include "srslte/srslog/srslog.h"
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#include <boost/program_options.hpp>
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#include <boost/program_options/parsers.hpp>
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#include <iostream>
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#include <map>
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#include <memory>
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#include <srslte/common/string_helpers.h>
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#include <srslte/phy/channel/channel.h>
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#include <srslte/phy/utils/random.h>
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#include <srslte/srslte.h>
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#include <srsue/hdr/phy/scell/intra_measure.h>
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#include <vector>
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// Common execution parameters
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static uint32_t duration_execution_s;
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static srslte_cell_t cell_base = {.nof_prb = 6,
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.nof_ports = 1,
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.id = 0,
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.cp = SRSLTE_CP_NORM,
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.phich_length = SRSLTE_PHICH_NORM,
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.phich_resources = SRSLTE_PHICH_R_1_6,
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.frame_type = SRSLTE_FDD};
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static std::string intra_meas_log_level;
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static std::string active_cell_list;
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static std::string simulation_cell_list;
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static int phy_lib_log_level;
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static srsue::phy_args_t phy_args;
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// On the Fly parameters
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static int earfcn_dl;
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static std::string radio_device_args;
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static std::string radio_device_name;
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static std::string radio_log_level;
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static float rx_gain;
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// Simulation parameters
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static float channel_period_s;
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static uint32_t cfi;
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static float ncell_attenuation_dB;
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static float channel_hst_fd_hz;
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static float channel_delay_max_us;
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static float channel_snr_db;
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static std::string channel_log_level;
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// Simulation Serving cell PDSCH parameters
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static bool serving_cell_pdsch_enable;
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static uint16_t serving_cell_pdsch_rnti;
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static srslte_tm_t serving_cell_pdsch_tm;
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static uint16_t serving_cell_pdsch_mcs;
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// Parsed PCI lists
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static std::set<uint32_t> pcis_to_meas = {};
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static std::set<uint32_t> pcis_to_simulate = {};
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// PRB allocation helpers
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static uint32_t prbset_num = 1, last_prbset_num = 1;
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static uint32_t prbset_orig = 0;
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unsigned int reverse(unsigned int x)
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{
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x = (((x & (uint32_t)0xaaaaaaaa) >> (uint32_t)1) | ((x & (uint32_t)0x55555555) << (uint32_t)1));
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x = (((x & (uint32_t)0xcccccccc) >> (uint32_t)2) | ((x & (uint32_t)0x33333333) << (uint32_t)2));
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x = (((x & (uint32_t)0xf0f0f0f0) >> (uint32_t)4) | ((x & (uint32_t)0x0f0f0f0f) << (uint32_t)4));
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x = (((x & (uint32_t)0xff00ff00) >> (uint32_t)8) | ((x & (uint32_t)0x00ff00ff) << (uint32_t)8));
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return ((x >> (uint32_t)16) | (x << (uint32_t)16));
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}
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uint32_t prbset_to_bitmask()
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{
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uint32_t mask = 0;
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auto nb = (uint32_t)ceilf((float)cell_base.nof_prb / srslte_ra_type0_P(cell_base.nof_prb));
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for (uint32_t i = 0; i < nb; i++) {
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if (i >= prbset_orig && i < prbset_orig + prbset_num) {
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mask = mask | ((uint32_t)0x1 << i);
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}
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}
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return reverse(mask) >> (uint32_t)(32 - nb);
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}
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// Test eNb class
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class test_enb
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{
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private:
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srslte_enb_dl_t enb_dl;
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srslte::channel_ptr channel;
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cf_t* signal_buffer[SRSLTE_MAX_PORTS] = {};
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srslog::basic_logger& logger;
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public:
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test_enb(const srslte_cell_t& cell, const srslte::channel::args_t& channel_args) :
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enb_dl(), logger(srslog::fetch_basic_logger("Channel pci=" + std::to_string(cell.id)))
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{
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logger.set_level(srslog::str_to_basic_level(channel_log_level));
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channel = srslte::channel_ptr(new srslte::channel(channel_args, cell_base.nof_ports, logger));
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channel->set_srate(srslte_sampling_freq_hz(cell.nof_prb));
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// Allocate buffer for eNb
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for (uint32_t i = 0; i < cell_base.nof_ports; i++) {
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signal_buffer[i] = srslte_vec_cf_malloc(SRSLTE_SF_LEN_PRB(cell_base.nof_prb));
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if (!signal_buffer[i]) {
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ERROR("Error allocating buffer");
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}
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}
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if (srslte_enb_dl_init(&enb_dl, signal_buffer, cell.nof_prb)) {
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ERROR("Error initiating eNb downlink");
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}
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if (srslte_enb_dl_set_cell(&enb_dl, cell)) {
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ERROR("Error setting eNb DL cell");
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}
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if (srslte_enb_dl_add_rnti(&enb_dl, serving_cell_pdsch_rnti)) {
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ERROR("Error adding RNTI");
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}
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}
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int work(srslte_dl_sf_cfg_t* dl_sf,
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srslte_dci_cfg_t* dci_cfg,
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srslte_dci_dl_t* dci,
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srslte_softbuffer_tx_t** softbuffer_tx,
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uint8_t** data_tx,
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cf_t* baseband_buffer,
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const srslte::rf_timestamp_t& ts)
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{
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int ret = SRSLTE_SUCCESS;
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uint32_t sf_len = SRSLTE_SF_LEN_PRB(enb_dl.cell.nof_prb);
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srslte_enb_dl_put_base(&enb_dl, dl_sf);
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// Put PDSCH only if it is required
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if (dci && dci_cfg && softbuffer_tx && data_tx) {
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if (srslte_enb_dl_put_pdcch_dl(&enb_dl, dci_cfg, dci)) {
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ERROR("Error putting PDCCH sf_idx=%d", dl_sf->tti);
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ret = SRSLTE_ERROR;
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}
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// Create pdsch config
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srslte_pdsch_cfg_t pdsch_cfg;
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if (srslte_ra_dl_dci_to_grant(&enb_dl.cell, dl_sf, serving_cell_pdsch_tm, false, dci, &pdsch_cfg.grant)) {
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ERROR("Computing DL grant sf_idx=%d", dl_sf->tti);
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ret = SRSLTE_ERROR;
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}
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char str[512];
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srslte_dci_dl_info(dci, str, 512);
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INFO("eNb PDCCH: rnti=0x%x, %s", serving_cell_pdsch_rnti, str);
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for (uint32_t i = 0; i < SRSLTE_MAX_CODEWORDS; i++) {
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pdsch_cfg.softbuffers.tx[i] = softbuffer_tx[i];
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}
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// Enable power allocation
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pdsch_cfg.power_scale = true;
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pdsch_cfg.p_a = 0.0f; // 0 dB
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pdsch_cfg.p_b = (serving_cell_pdsch_tm > SRSLTE_TM1) ? 1 : 0; // 0 dB
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pdsch_cfg.rnti = serving_cell_pdsch_rnti;
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pdsch_cfg.meas_time_en = false;
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if (srslte_enb_dl_put_pdsch(&enb_dl, &pdsch_cfg, data_tx) < 0) {
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ERROR("Error putting PDSCH sf_idx=%d", dl_sf->tti);
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ret = SRSLTE_ERROR;
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}
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srslte_pdsch_tx_info(&pdsch_cfg, str, 512);
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INFO("eNb PDSCH: rnti=0x%x, %s", serving_cell_pdsch_rnti, str);
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}
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srslte_enb_dl_gen_signal(&enb_dl);
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// Apply channel
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channel->run(signal_buffer, signal_buffer, sf_len, ts.get(0));
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// Combine Tx ports
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for (uint32_t i = 1; i < enb_dl.cell.nof_ports; i++) {
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srslte_vec_sum_ccc(signal_buffer[0], signal_buffer[i], signal_buffer[0], sf_len);
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}
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// Undo srslte_enb_dl_gen_signal scaling
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float scale = sqrtf(cell_base.nof_prb) / 0.05f / enb_dl.ifft->cfg.symbol_sz;
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// Apply Neighbour cell attenuation
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if (enb_dl.cell.id != *pcis_to_simulate.begin()) {
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scale *= srslte_convert_dB_to_amplitude(-ncell_attenuation_dB);
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}
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// Scale signal
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srslte_vec_sc_prod_cfc(signal_buffer[0], scale, signal_buffer[0], sf_len);
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// Add signal to baseband buffer
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srslte_vec_sum_ccc(signal_buffer[0], baseband_buffer, baseband_buffer, sf_len);
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return ret;
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}
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~test_enb()
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{
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for (uint32_t i = 0; i < enb_dl.cell.nof_ports; i++) {
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if (signal_buffer[i]) {
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free(signal_buffer[i]);
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signal_buffer[i] = nullptr;
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}
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}
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srslte_enb_dl_free(&enb_dl);
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}
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};
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class meas_itf_listener : public srsue::scell::intra_measure::meas_itf
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{
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public:
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typedef struct {
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float rsrp_avg;
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float rsrp_min;
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float rsrp_max;
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float rsrq_avg;
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float rsrq_min;
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float rsrq_max;
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uint32_t count;
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} cell_meas_t;
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std::map<uint32_t, cell_meas_t> cells;
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void cell_meas_reset(uint32_t cc_idx) override {}
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void new_cell_meas(uint32_t cc_idx, const std::vector<srsue::phy_meas_t>& meas) override
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{
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for (auto& m : meas) {
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uint32_t pci = m.pci;
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if (!cells.count(pci)) {
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cells[pci].rsrp_min = m.rsrp;
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cells[pci].rsrp_max = m.rsrp;
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cells[pci].rsrp_avg = m.rsrp;
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cells[pci].rsrq_min = m.rsrq;
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cells[pci].rsrq_max = m.rsrq;
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cells[pci].rsrq_avg = m.rsrq;
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cells[pci].count = 1;
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} else {
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cells[pci].rsrp_min = SRSLTE_MIN(cells[pci].rsrp_min, m.rsrp);
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cells[pci].rsrp_max = SRSLTE_MAX(cells[pci].rsrp_max, m.rsrp);
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cells[pci].rsrp_avg = (m.rsrp + cells[pci].rsrp_avg * cells[pci].count) / (cells[pci].count + 1);
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cells[pci].rsrq_min = SRSLTE_MIN(cells[pci].rsrq_min, m.rsrq);
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cells[pci].rsrq_max = SRSLTE_MAX(cells[pci].rsrq_max, m.rsrq);
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cells[pci].rsrq_avg = (m.rsrq + cells[pci].rsrq_avg * cells[pci].count) / (cells[pci].count + 1);
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cells[pci].count++;
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}
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}
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}
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bool print_stats()
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{
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printf("\n-- Statistics:\n");
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uint32_t true_counts = 0;
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uint32_t false_counts = 0;
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uint32_t tti_count = (1000 * duration_execution_s) / phy_args.intra_freq_meas_period_ms;
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uint32_t ideal_true_counts = (pcis_to_simulate.size() - 1) * tti_count;
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uint32_t ideal_false_counts = tti_count * cells.size() - ideal_true_counts;
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for (auto& e : cells) {
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bool false_alarm = pcis_to_simulate.find(e.first) == pcis_to_simulate.end();
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if (false_alarm) {
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false_counts += e.second.count;
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} else {
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true_counts += e.second.count;
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}
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printf(" pci=%03d; count=%3d; false=%s; rsrp=%+.1f|%+.1f|%+.1fdBfs; rsrq=%+.1f|%+.1f|%+.1fdB;\n",
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e.first,
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e.second.count,
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false_alarm ? "y" : "n",
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e.second.rsrp_min,
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e.second.rsrp_avg,
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e.second.rsrp_max,
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e.second.rsrq_min,
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e.second.rsrq_avg,
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e.second.rsrq_max);
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}
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float prob_detection = (ideal_true_counts) ? (float)true_counts / (float)ideal_true_counts : 0.0f;
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float prob_false_alarm = (ideal_false_counts) ? (float)false_counts / (float)ideal_false_counts : 0.0f;
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printf("\n");
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printf(" Probability of detection: %.6f\n", prob_detection);
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printf(" Probability of false alarm: %.6f\n", prob_false_alarm);
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return (prob_detection >= 0.9f && prob_false_alarm <= 0.1f);
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}
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};
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// shorten boost program options namespace
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namespace bpo = boost::program_options;
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int parse_args(int argc, char** argv)
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{
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int ret = SRSLTE_SUCCESS;
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bpo::options_description options;
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bpo::options_description common("Common execution options");
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bpo::options_description over_the_air("Over the air execution options");
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bpo::options_description simulation("Over the air execution options");
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// clang-format off
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common.add_options()
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("duration", bpo::value<uint32_t>(&duration_execution_s)->default_value(60), "Duration of the execution in seconds")
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("cell.nof_prb", bpo::value<uint32_t>(&cell_base.nof_prb)->default_value(100), "Cell Number of PRB")
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("cell.nof_ports", bpo::value<uint32_t>(&cell_base.nof_ports)->default_value(1), "Cell Number of Tx ports")
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("intra_meas_log_level", bpo::value<std::string>(&intra_meas_log_level)->default_value("none"), "Intra measurement log level (none, warning, info, debug)")
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("intra_freq_meas_len_ms", bpo::value<uint32_t>(&phy_args.intra_freq_meas_len_ms)->default_value(20), "Intra measurement measurement length")
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("intra_freq_meas_period_ms", bpo::value<uint32_t>(&phy_args.intra_freq_meas_period_ms)->default_value(200), "Intra measurement measurement period")
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("phy_lib_log_level", bpo::value<int>(&phy_lib_log_level)->default_value(SRSLTE_VERBOSE_NONE), "Phy lib log level (0: none, 1: info, 2: debug)")
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("active_cell_list", bpo::value<std::string>(&active_cell_list)->default_value("10,17,24,31,38,45,52"), "Comma separated neighbour PCI cell list")
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;
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over_the_air.add_options()
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("rf.dl_earfcn", bpo::value<int>(&earfcn_dl)->default_value(-1), "DL EARFCN (setting this param enables over-the-air execution)")
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("rf.device_name", bpo::value<std::string>(&radio_device_name)->default_value("auto"), "RF Device Name")
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("rf.device_args", bpo::value<std::string>(&radio_device_args)->default_value("auto"), "RF Device arguments")
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("rf.log_level", bpo::value<std::string>(&radio_log_level)->default_value("info"), "RF Log level (none, warning, info, debug)")
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("rf.rx_gain", bpo::value<float>(&rx_gain)->default_value(30.0f), "RF Receiver gain in dB")
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("radio_log_level", bpo::value<std::string>(&radio_log_level)->default_value("info"), "RF Log level")
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;
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simulation.add_options()
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("simulation_cell_list", bpo::value<std::string>(&simulation_cell_list)->default_value("10,17,24,31,38,45,52"), "Comma separated neighbour PCI cell list")
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("cell_cfi", bpo::value<uint32_t >(&cfi)->default_value(1), "Cell CFI")
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("channel_period_s", bpo::value<float>(&channel_period_s)->default_value(16.8), "Channel period for HST and delay")
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("ncell_attenuation", bpo::value<float>(&ncell_attenuation_dB)->default_value(3.0f), "Neighbour cell attenuation relative to serving cell in dB")
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("channel.hst.fd", bpo::value<float>(&channel_hst_fd_hz)->default_value(750.0f), "Channel High Speed Train doppler in Hz. Set to 0 for disabling")
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("channel.delay_max", bpo::value<float>(&channel_delay_max_us)->default_value(4.7f), "Maximum simulated delay in microseconds. Set to 0 for disabling")
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("channel.snr", bpo::value<float>(&channel_snr_db)->default_value(NAN), "Channel simulator SNR in dB")
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("channel.log_level", bpo::value<std::string>(&channel_log_level)->default_value("info"), "Channel simulator logging level")
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("serving_cell_pdsch_enable", bpo::value<bool>(&serving_cell_pdsch_enable)->default_value(true), "Enable simulated PDSCH in serving cell")
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("serving_cell_pdsch_rnti", bpo::value<uint16_t >(&serving_cell_pdsch_rnti)->default_value(0x1234), "Simulated PDSCH RNTI")
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("serving_cell_pdsch_tm", bpo::value<int>((int*) &serving_cell_pdsch_tm)->default_value(SRSLTE_TM1), "Simulated Transmission mode 0: TM1, 1: TM2, 2: TM3, 3: TM4")
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("serving_cell_pdsch_mcs", bpo::value<uint16_t >(&serving_cell_pdsch_mcs)->default_value(20), "Simulated PDSCH MCS")
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;
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options.add(common).add(over_the_air).add(simulation).add_options()
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("help", "Show this message")
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;
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// clang-format on
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bpo::variables_map vm;
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try {
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bpo::store(bpo::command_line_parser(argc, argv).options(options).run(), vm);
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bpo::notify(vm);
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} catch (bpo::error& e) {
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std::cerr << e.what() << std::endl;
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ret = SRSLTE_ERROR;
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}
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// help option was given or error - print usage and exit
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if (vm.count("help") || ret) {
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std::cout << "Usage: " << argv[0] << " [OPTIONS] config_file" << std::endl << std::endl;
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std::cout << options << std::endl << std::endl;
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ret = SRSLTE_ERROR;
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}
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return ret;
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}
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static void pci_list_parse_helper(std::string& list_str, std::set<uint32_t>& list)
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{
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if (list_str == "all") {
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// Add all possible cells
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for (int i = 0; i < 504; i++) {
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list.insert(i);
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}
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} else if (list_str == "none") {
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// Do nothing
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} else if (not list_str.empty()) {
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// Remove spaces from neightbour cell list
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list_str = srslte::string_remove_char(list_str, ' ');
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// Add cell to known cells
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srslte::string_parse_list(list_str, ',', list);
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}
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}
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int main(int argc, char** argv)
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{
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int ret;
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// Parse args
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if (parse_args(argc, argv)) {
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return SRSLTE_ERROR;
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}
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// Common for simulation and over-the-air
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srslog::basic_logger& logger = srslog::fetch_basic_logger("intra_measure");
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srslog::init();
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cf_t* baseband_buffer = srslte_vec_cf_malloc(SRSLTE_SF_LEN_MAX);
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srslte::rf_timestamp_t ts = {};
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srsue::scell::intra_measure intra_measure(logger);
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meas_itf_listener rrc;
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srsue::phy_common common(logger);
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// Simulation only
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std::vector<std::unique_ptr<test_enb> > test_enb_v;
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uint8_t* data_tx[SRSLTE_MAX_TB] = {};
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srslte_softbuffer_tx_t* softbuffer_tx[SRSLTE_MAX_TB] = {};
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// Over-the-air only
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std::unique_ptr<srslte::radio> radio = nullptr;
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std::unique_ptr<srslte::log_filter> radio_log = nullptr;
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// Set Receiver args
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common.args = &phy_args;
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phy_args.estimator_fil_auto = false;
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phy_args.estimator_fil_order = 4;
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phy_args.estimator_fil_stddev = 1.0f;
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phy_args.interpolate_subframe_enabled = false;
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phy_args.nof_rx_ant = 1;
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phy_args.cfo_is_doppler = true;
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phy_args.cfo_integer_enabled = false;
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phy_args.cfo_correct_tol_hz = 1.0f;
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phy_args.cfo_pss_ema = DEFAULT_CFO_EMA_TRACK;
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phy_args.cfo_ref_mask = 1023;
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phy_args.cfo_loop_bw_pss = DEFAULT_CFO_BW_PSS;
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phy_args.cfo_loop_bw_ref = DEFAULT_CFO_BW_REF;
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phy_args.cfo_loop_pss_tol = DEFAULT_CFO_PSS_MIN;
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phy_args.cfo_loop_ref_min = DEFAULT_CFO_REF_MIN;
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phy_args.cfo_loop_pss_conv = DEFAULT_PSS_STABLE_TIMEOUT;
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phy_args.snr_estim_alg = "refs";
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phy_args.snr_ema_coeff = 0.1f;
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phy_args.rx_gain_offset = rx_gain + 62.0f;
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// Set phy-lib logging level
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srslte_verbose = phy_lib_log_level;
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// Allocate PDSCH data and tx-soft-buffers only if pdsch is enabled and radio is not available
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for (int i = 0; i < SRSLTE_MAX_TB && serving_cell_pdsch_enable && radio == nullptr; i++) {
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srslte_random_t random_gen = srslte_random_init(serving_cell_pdsch_rnti);
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const size_t nof_bytes = (6144 * 16 * 3 / 8);
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softbuffer_tx[i] = (srslte_softbuffer_tx_t*)calloc(sizeof(srslte_softbuffer_tx_t), 1);
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if (!softbuffer_tx[i]) {
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ERROR("Error allocating softbuffer_tx");
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}
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if (srslte_softbuffer_tx_init(softbuffer_tx[i], cell_base.nof_prb)) {
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ERROR("Error initiating softbuffer_tx");
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}
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data_tx[i] = srslte_vec_u8_malloc(nof_bytes);
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if (!data_tx[i]) {
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ERROR("Error allocating data tx");
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} else {
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for (uint32_t j = 0; j < nof_bytes; j++) {
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data_tx[i][j] = (uint8_t)srslte_random_uniform_int_dist(random_gen, 0, 255);
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}
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}
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srslte_random_free(random_gen);
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}
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pci_list_parse_helper(active_cell_list, pcis_to_meas);
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pci_list_parse_helper(simulation_cell_list, pcis_to_simulate);
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// Set cell_base id with the serving cell
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uint32_t serving_cell_id = *pcis_to_simulate.begin();
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cell_base.id = serving_cell_id;
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logger.set_level(srslog::str_to_basic_level(intra_meas_log_level));
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intra_measure.init(0, &common, &rrc);
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intra_measure.set_primary_cell(SRSLTE_MAX(earfcn_dl, 0), cell_base);
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if (earfcn_dl >= 0) {
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// Create radio log
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auto& radio_logger = srslog::fetch_basic_logger("RF", false);
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radio_logger.set_level(srslog::str_to_basic_level(radio_log_level));
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// Create radio
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radio = std::unique_ptr<srslte::radio>(new srslte::radio);
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// Init radio
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srslte::rf_args_t radio_args = {};
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radio_args.device_args = radio_device_args;
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radio_args.device_name = radio_device_name;
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radio_args.nof_carriers = 1;
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radio_args.nof_antennas = 1;
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radio->init(radio_args, nullptr);
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// Set sampling rate
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radio->set_rx_srate(srslte_sampling_freq_hz(cell_base.nof_prb));
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// Set frequency
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radio->set_rx_freq(0, srslte_band_fd(earfcn_dl) * 1e6);
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} else {
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// Create test eNb's if radio is not available
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float channel_init_time_s = 0;
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float channel_delay_us = 0;
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for (const auto& pci : pcis_to_simulate) {
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// Initialise cell
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srslte_cell_t cell = cell_base;
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cell.id = pci;
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// Initialise channel and push back
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srslte::channel::args_t channel_args;
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channel_args.enable = (channel_period_s != 0);
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channel_args.hst_enable = std::isnormal(channel_hst_fd_hz);
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channel_args.hst_init_time_s = channel_init_time_s;
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channel_args.hst_period_s = (float)channel_period_s;
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channel_args.hst_fd_hz = channel_hst_fd_hz;
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channel_args.delay_enable = std::isnormal(channel_delay_max_us);
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channel_args.delay_min_us = channel_delay_us;
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channel_args.delay_max_us = channel_delay_us;
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channel_args.delay_period_s = (uint32)channel_period_s;
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channel_args.delay_init_time_s = channel_init_time_s;
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channel_args.awgn_enable = std::isnormal(channel_snr_db) and (pci == *pcis_to_simulate.begin());
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channel_args.awgn_signal_power_dBfs = srslte_enb_dl_get_maximum_signal_power_dBfs(cell.nof_prb);
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channel_args.awgn_snr_dB = channel_snr_db;
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test_enb_v.push_back(std::unique_ptr<test_enb>(new test_enb(cell, channel_args)));
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// Add cell to known cells
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if (active_cell_list.empty()) {
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pcis_to_meas.insert(cell.id);
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}
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// Increase init time
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channel_init_time_s += channel_period_s / (float)pcis_to_simulate.size();
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channel_delay_us += channel_delay_max_us / (float)pcis_to_simulate.size();
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}
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}
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// pass cells to measure to intra_measure object
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intra_measure.set_cells_to_meas(pcis_to_meas);
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// Run loop
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for (uint32_t sf_idx = 0; sf_idx < duration_execution_s * 1000; sf_idx++) {
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srslte_dl_sf_cfg_t sf_cfg_dl = {};
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sf_cfg_dl.tti = sf_idx % 10240;
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sf_cfg_dl.cfi = cfi;
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sf_cfg_dl.sf_type = SRSLTE_SF_NORM;
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// Clean buffer
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srslte_vec_cf_zero(baseband_buffer, SRSLTE_SF_LEN_MAX);
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if (radio) {
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// Receive radio
|
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srslte::rf_buffer_t radio_buffer(baseband_buffer, SRSLTE_SF_LEN_PRB(cell_base.nof_prb));
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radio->rx_now(radio_buffer, ts);
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} else {
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// Run eNb simulator
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bool put_pdsch = serving_cell_pdsch_enable;
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for (auto& enb : test_enb_v) {
|
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if (put_pdsch) {
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// Reset pdsch put flag
|
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put_pdsch = false;
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|
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// DCI Configuration
|
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srslte_dci_dl_t dci;
|
|
srslte_dci_cfg_t dci_cfg;
|
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dci_cfg.srs_request_enabled = false;
|
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dci_cfg.ra_format_enabled = false;
|
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dci_cfg.multiple_csi_request_enabled = false;
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dci_cfg.is_not_ue_ss = false;
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|
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// DCI Fixed values
|
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dci.pid = 0;
|
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dci.pinfo = 0;
|
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dci.rnti = serving_cell_pdsch_rnti;
|
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dci.is_tdd = false;
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dci.is_dwpts = false;
|
|
dci.is_ra_order = false;
|
|
dci.tb_cw_swap = false;
|
|
dci.pconf = false;
|
|
dci.power_offset = false;
|
|
dci.tpc_pucch = 0;
|
|
dci.ra_preamble = 0;
|
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dci.ra_mask_idx = 0;
|
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dci.srs_request = false;
|
|
dci.srs_request_present = false;
|
|
dci.cif_present = false;
|
|
dci_cfg.cif_enabled = false;
|
|
|
|
// Set PRB Allocation type
|
|
dci.alloc_type = SRSLTE_RA_ALLOC_TYPE0;
|
|
prbset_num = (int)ceilf((float)cell_base.nof_prb / srslte_ra_type0_P(cell_base.nof_prb));
|
|
last_prbset_num = prbset_num;
|
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dci.type0_alloc.rbg_bitmask = prbset_to_bitmask();
|
|
dci.location.L = 0;
|
|
dci.location.ncce = 0;
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|
|
|
// Set TB
|
|
if (serving_cell_pdsch_tm < SRSLTE_TM3) {
|
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dci.format = SRSLTE_DCI_FORMAT1;
|
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dci.tb[0].mcs_idx = serving_cell_pdsch_mcs;
|
|
dci.tb[0].rv = 0;
|
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dci.tb[0].ndi = false;
|
|
dci.tb[0].cw_idx = 0;
|
|
dci.tb[1].mcs_idx = 0;
|
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dci.tb[1].rv = 1;
|
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} else if (serving_cell_pdsch_tm == SRSLTE_TM3) {
|
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dci.format = SRSLTE_DCI_FORMAT2A;
|
|
for (uint32_t i = 0; i < SRSLTE_MAX_TB; i++) {
|
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dci.tb[i].mcs_idx = serving_cell_pdsch_mcs;
|
|
dci.tb[i].rv = 0;
|
|
dci.tb[i].ndi = false;
|
|
dci.tb[i].cw_idx = i;
|
|
}
|
|
} else if (serving_cell_pdsch_tm == SRSLTE_TM4) {
|
|
dci.format = SRSLTE_DCI_FORMAT2;
|
|
dci.pinfo = 0;
|
|
for (uint32_t i = 0; i < SRSLTE_MAX_TB; i++) {
|
|
dci.tb[i].mcs_idx = serving_cell_pdsch_mcs;
|
|
dci.tb[i].rv = 0;
|
|
dci.tb[i].ndi = false;
|
|
dci.tb[i].cw_idx = i;
|
|
}
|
|
} else {
|
|
ERROR("Wrong transmission mode (%d)", serving_cell_pdsch_tm);
|
|
}
|
|
enb->work(&sf_cfg_dl, &dci_cfg, &dci, softbuffer_tx, data_tx, baseband_buffer, ts);
|
|
} else {
|
|
enb->work(&sf_cfg_dl, nullptr, nullptr, nullptr, nullptr, baseband_buffer, ts);
|
|
}
|
|
}
|
|
// if it measuring, wait for avoiding overflowing
|
|
intra_measure.wait_meas();
|
|
}
|
|
|
|
// Increase Time counter
|
|
ts.add(0.001);
|
|
|
|
// Give data to intra measure component
|
|
intra_measure.write(sf_idx % 10240, baseband_buffer, SRSLTE_SF_LEN_PRB(cell_base.nof_prb));
|
|
if (sf_idx % 1000 == 0) {
|
|
printf("Done %.1f%%\n", (double)sf_idx * 100.0 / ((double)duration_execution_s * 1000.0));
|
|
}
|
|
}
|
|
|
|
// make sure last measurement has been received before stopping
|
|
if (not radio) {
|
|
intra_measure.wait_meas();
|
|
}
|
|
|
|
// Stop, it will block until the asynchronous thread quits
|
|
intra_measure.stop();
|
|
|
|
ret = rrc.print_stats() ? SRSLTE_SUCCESS : SRSLTE_ERROR;
|
|
|
|
if (radio) {
|
|
radio->stop();
|
|
}
|
|
|
|
if (baseband_buffer) {
|
|
free(baseband_buffer);
|
|
}
|
|
|
|
for (auto& ptr : data_tx) {
|
|
if (ptr) {
|
|
free(ptr);
|
|
}
|
|
}
|
|
for (auto& sb : softbuffer_tx) {
|
|
if (sb) {
|
|
srslte_softbuffer_tx_free(sb);
|
|
free(sb);
|
|
}
|
|
}
|
|
|
|
srslog::flush();
|
|
|
|
if (ret && radio == nullptr) {
|
|
printf("Error\n");
|
|
} else {
|
|
printf("Ok\n");
|
|
}
|
|
|
|
return ret;
|
|
}
|