312 lines
12 KiB
C
312 lines
12 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 1.0 (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 <stdint.h>
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#include <stdio.h>
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#include <time.h>
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#include <sys/time.h>
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#include "init_lte.h"
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#include "PHY/extern.h"
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#include "LAYER2/MAC/defs.h"
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#include "LAYER2/MAC/extern.h"
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#include "UTIL/LOG/log_if.h"
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#include "PHY_INTERFACE/extern.h"
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PHY_VARS_eNB* init_lte_eNB(LTE_DL_FRAME_PARMS *frame_parms,
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uint8_t eNB_id,
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uint8_t Nid_cell,
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eNB_func_t node_function,
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uint8_t abstraction_flag)
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{
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int i,j;
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PHY_VARS_eNB* PHY_vars_eNB = malloc(sizeof(PHY_VARS_eNB));
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memset(PHY_vars_eNB,0,sizeof(PHY_VARS_eNB));
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PHY_vars_eNB->Mod_id=eNB_id;
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PHY_vars_eNB->cooperation_flag=0;//cooperation_flag;
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memcpy(&(PHY_vars_eNB->frame_parms), frame_parms, sizeof(LTE_DL_FRAME_PARMS));
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PHY_vars_eNB->frame_parms.Nid_cell = ((Nid_cell/3)*3)+((eNB_id+Nid_cell)%3);
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PHY_vars_eNB->frame_parms.nushift = PHY_vars_eNB->frame_parms.Nid_cell%6;
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phy_init_lte_eNB(PHY_vars_eNB,0,abstraction_flag);
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LOG_I(PHY,"init eNB: Node Function %d\n",node_function);
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LOG_I(PHY,"init eNB: Nid_cell %d\n", frame_parms->Nid_cell);
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LOG_I(PHY,"init eNB: frame_type %d,tdd_config %d\n", frame_parms->frame_type,frame_parms->tdd_config);
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LOG_I(PHY,"init eNB: number of ue max %d number of enb max %d number of harq pid max %d\n",
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NUMBER_OF_UE_MAX, NUMBER_OF_eNB_MAX, NUMBER_OF_HARQ_PID_MAX);
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LOG_I(PHY,"init eNB: N_RB_DL %d\n", frame_parms->N_RB_DL);
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LOG_I(PHY,"init eNB: prach_config_index %d\n", frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex);
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if (node_function >= NGFI_RRU_IF5)
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// For RRU, don't allocate DLSCH/ULSCH Transport channel buffers
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return (PHY_vars_eNB);
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for (i=0; i<NUMBER_OF_UE_MAX; i++) {
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LOG_I(PHY,"Allocating Transport Channel Buffers for DLSCH, UE %d\n",i);
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for (j=0; j<2; j++) {
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PHY_vars_eNB->dlsch[i][j] = new_eNB_dlsch(1,8,NSOFT,frame_parms->N_RB_DL,abstraction_flag,frame_parms);
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if (!PHY_vars_eNB->dlsch[i][j]) {
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LOG_E(PHY,"Can't get eNB dlsch structures for UE %d \n", i);
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exit(-1);
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} else {
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LOG_D(PHY,"dlsch[%d][%d] => %p\n",i,j,PHY_vars_eNB->dlsch[i][j]);
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PHY_vars_eNB->dlsch[i][j]->rnti=0;
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}
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}
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LOG_I(PHY,"Allocating Transport Channel Buffer for ULSCH, UE %d\n", i);
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PHY_vars_eNB->ulsch[1+i] = new_eNB_ulsch(MAX_TURBO_ITERATIONS,frame_parms->N_RB_UL, abstraction_flag);
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if (!PHY_vars_eNB->ulsch[1+i]) {
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LOG_E(PHY,"Can't get eNB ulsch structures\n");
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exit(-1);
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}
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// this is the transmission mode for the signalling channels
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// this will be overwritten with the real transmission mode by the RRC once the UE is connected
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PHY_vars_eNB->transmission_mode[i] = frame_parms->nb_antenna_ports_eNB==1 ? 1 : 2;
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#ifdef LOCALIZATION
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PHY_vars_eNB->ulsch[1+i]->aggregation_period_ms = 5000; // 5000 milliseconds // could be given as an argument (TBD))
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struct timeval ts;
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gettimeofday(&ts, NULL);
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PHY_vars_eNB->ulsch[1+i]->reference_timestamp_ms = ts.tv_sec * 1000 + ts.tv_usec / 1000;
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int j;
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for (j=0; j<10; j++) {
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initialize(&PHY_vars_eNB->ulsch[1+i]->loc_rss_list[j]);
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initialize(&PHY_vars_eNB->ulsch[1+i]->loc_rssi_list[j]);
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initialize(&PHY_vars_eNB->ulsch[1+i]->loc_subcarrier_rss_list[j]);
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initialize(&PHY_vars_eNB->ulsch[1+i]->loc_timing_advance_list[j]);
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initialize(&PHY_vars_eNB->ulsch[1+i]->loc_timing_update_list[j]);
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}
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initialize(&PHY_vars_eNB->ulsch[1+i]->tot_loc_rss_list);
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initialize(&PHY_vars_eNB->ulsch[1+i]->tot_loc_rssi_list);
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initialize(&PHY_vars_eNB->ulsch[1+i]->tot_loc_subcarrier_rss_list);
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initialize(&PHY_vars_eNB->ulsch[1+i]->tot_loc_timing_advance_list);
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initialize(&PHY_vars_eNB->ulsch[1+i]->tot_loc_timing_update_list);
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#endif
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}
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// ULSCH for RA
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PHY_vars_eNB->ulsch[0] = new_eNB_ulsch(MAX_TURBO_ITERATIONS, frame_parms->N_RB_UL, abstraction_flag);
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if (!PHY_vars_eNB->ulsch[0]) {
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LOG_E(PHY,"Can't get eNB ulsch structures\n");
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exit(-1);
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}
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PHY_vars_eNB->dlsch_SI = new_eNB_dlsch(1,8,NSOFT,frame_parms->N_RB_DL, abstraction_flag, frame_parms);
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LOG_D(PHY,"eNB %d : SI %p\n",eNB_id,PHY_vars_eNB->dlsch_SI);
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PHY_vars_eNB->dlsch_ra = new_eNB_dlsch(1,8,NSOFT,frame_parms->N_RB_DL, abstraction_flag, frame_parms);
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LOG_D(PHY,"eNB %d : RA %p\n",eNB_id,PHY_vars_eNB->dlsch_ra);
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PHY_vars_eNB->dlsch_MCH = new_eNB_dlsch(1,8,NSOFT,frame_parms->N_RB_DL, 0, frame_parms);
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LOG_D(PHY,"eNB %d : MCH %p\n",eNB_id,PHY_vars_eNB->dlsch_MCH);
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PHY_vars_eNB->rx_total_gain_dB=130;
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for(i=0; i<NUMBER_OF_UE_MAX; i++)
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PHY_vars_eNB->mu_mimo_mode[i].dl_pow_off = 2;
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PHY_vars_eNB->check_for_total_transmissions = 0;
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PHY_vars_eNB->check_for_MUMIMO_transmissions = 0;
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PHY_vars_eNB->FULL_MUMIMO_transmissions = 0;
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PHY_vars_eNB->check_for_SUMIMO_transmissions = 0;
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PHY_vars_eNB->frame_parms.pucch_config_common.deltaPUCCH_Shift = 1;
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return (PHY_vars_eNB);
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}
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PHY_VARS_UE* init_lte_UE(LTE_DL_FRAME_PARMS *frame_parms,
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uint8_t UE_id,
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uint8_t abstraction_flag)
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{
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int i,j;
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PHY_VARS_UE* PHY_vars_UE = malloc(sizeof(PHY_VARS_UE));
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memset(PHY_vars_UE,0,sizeof(PHY_VARS_UE));
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PHY_vars_UE->Mod_id=UE_id;
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memcpy(&(PHY_vars_UE->frame_parms), frame_parms, sizeof(LTE_DL_FRAME_PARMS));
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phy_init_lte_ue(PHY_vars_UE,1,abstraction_flag);
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for (i=0; i<NUMBER_OF_CONNECTED_eNB_MAX; i++) {
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for (j=0; j<2; j++) { // 2CWs
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for (int l=0; l<2; l++){ // 2Threads
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PHY_vars_UE->dlsch[l][i][j] = new_ue_dlsch(1,NUMBER_OF_HARQ_PID_MAX,NSOFT,MAX_TURBO_ITERATIONS,frame_parms->N_RB_DL, abstraction_flag);
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if (!PHY_vars_UE->dlsch[l][i][j]) {
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LOG_E(PHY,"Can't get ue dlsch structures\n");
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exit(-1);
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} else
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LOG_D(PHY,"dlsch[%d][%d] => %p\n",UE_id,i,PHY_vars_UE->dlsch[l][i][j]);
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}
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}
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PHY_vars_UE->ulsch[i] = new_ue_ulsch(frame_parms->N_RB_UL, abstraction_flag);
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if (!PHY_vars_UE->ulsch[i]) {
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LOG_E(PHY,"Can't get ue ulsch structures\n");
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exit(-1);
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}
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PHY_vars_UE->dlsch_SI[i] = new_ue_dlsch(1,1,NSOFT,MAX_TURBO_ITERATIONS,frame_parms->N_RB_DL, abstraction_flag);
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PHY_vars_UE->dlsch_ra[i] = new_ue_dlsch(1,1,NSOFT,MAX_TURBO_ITERATIONS,frame_parms->N_RB_DL, abstraction_flag);
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PHY_vars_UE->transmission_mode[i] = frame_parms->nb_antenna_ports_eNB==1 ? 1 : 2;
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}
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PHY_vars_UE->frame_parms.pucch_config_common.deltaPUCCH_Shift = 1;
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PHY_vars_UE->dlsch_MCH[0] = new_ue_dlsch(1,NUMBER_OF_HARQ_PID_MAX,NSOFT,MAX_TURBO_ITERATIONS_MBSFN,frame_parms->N_RB_DL,0);
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return (PHY_vars_UE);
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}
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PHY_VARS_RN* init_lte_RN(LTE_DL_FRAME_PARMS *frame_parms,
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uint8_t RN_id,
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uint8_t eMBMS_active_state)
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{
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int i;
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PHY_VARS_RN* PHY_vars_RN = malloc(sizeof(PHY_VARS_RN));
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memset(PHY_vars_RN,0,sizeof(PHY_VARS_RN));
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PHY_vars_RN->Mod_id=RN_id;
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if (eMBMS_active_state == multicast_relay) {
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for (i=0; i < 10 ; i++) { // num SF in a frame
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PHY_vars_RN->dlsch_rn_MCH[i] = new_ue_dlsch(1,1,NSOFT,MAX_TURBO_ITERATIONS_MBSFN,frame_parms->N_RB_DL, 0);
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LOG_D(PHY,"eNB %d : MCH[%d] %p\n",RN_id,i,PHY_vars_RN->dlsch_rn_MCH[i]);
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}
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} else {
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PHY_vars_RN->dlsch_rn_MCH[0] = new_ue_dlsch(1,1,NSOFT,MAX_TURBO_ITERATIONS,frame_parms->N_RB_DL, 0);
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LOG_D(PHY,"eNB %d : MCH[0] %p\n",RN_id,PHY_vars_RN->dlsch_rn_MCH[0]);
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}
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return (PHY_vars_RN);
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}
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void init_lte_vars(LTE_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs],
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uint8_t frame_type,
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uint8_t tdd_config,
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uint8_t tdd_config_S,
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uint8_t extended_prefix_flag,
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uint8_t N_RB_DL,
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uint16_t Nid_cell,
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uint8_t cooperation_flag,
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uint8_t nb_antenna_ports,
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uint8_t abstraction_flag,
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int nb_antennas_rx,
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int nb_antennas_tx,
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int nb_antennas_rx_ue,
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uint8_t eMBMS_active_state)
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{
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uint8_t eNB_id,UE_id,RN_id,CC_id;
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mac_xface = malloc(sizeof(MAC_xface));
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memset(mac_xface, 0, sizeof(MAC_xface));
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LOG_I(PHY,"init lte parms: Nid_cell %d, Frame type %d, N_RB_DL %d\n",Nid_cell,frame_type,N_RB_DL);
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for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
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frame_parms[CC_id] = calloc(1, sizeof(LTE_DL_FRAME_PARMS));
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(frame_parms[CC_id])->frame_type = frame_type;
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(frame_parms[CC_id])->tdd_config = tdd_config;
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(frame_parms[CC_id])->tdd_config_S = tdd_config_S;
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(frame_parms[CC_id])->N_RB_DL = N_RB_DL;
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(frame_parms[CC_id])->N_RB_UL = (frame_parms[CC_id])->N_RB_DL;
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(frame_parms[CC_id])->phich_config_common.phich_resource = oneSixth;
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(frame_parms[CC_id])->phich_config_common.phich_duration = normal;
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(frame_parms[CC_id])->Ncp = extended_prefix_flag;
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(frame_parms[CC_id])->Ncp_UL = extended_prefix_flag;
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(frame_parms[CC_id])->Nid_cell = Nid_cell;
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(frame_parms[CC_id])->nushift = (Nid_cell%6);
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(frame_parms[CC_id])->nb_antennas_tx = nb_antennas_tx;
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(frame_parms[CC_id])->nb_antennas_rx = nb_antennas_rx;
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(frame_parms[CC_id])->nb_antenna_ports_eNB = nb_antenna_ports;
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(frame_parms[CC_id])->mode1_flag = (frame_parms[CC_id])->nb_antenna_ports_eNB==1 ? 1 : 0;
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init_frame_parms(frame_parms[CC_id],1);
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(frame_parms[CC_id])->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift = 0;//n_DMRS1 set to 0
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(frame_parms[CC_id])->pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = 1;
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(frame_parms[CC_id])->pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled = 0;
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(frame_parms[CC_id])->pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH = 0;
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init_ul_hopping(frame_parms[CC_id]);
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}
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// phy_init_top(frame_parms[0]);
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phy_init_lte_top(frame_parms[0]);
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PHY_vars_eNB_g = (PHY_VARS_eNB***)malloc(NB_eNB_INST*sizeof(PHY_VARS_eNB**));
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for (eNB_id=0; eNB_id<NB_eNB_INST; eNB_id++) {
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PHY_vars_eNB_g[eNB_id] = (PHY_VARS_eNB**) malloc(MAX_NUM_CCs*sizeof(PHY_VARS_eNB*));
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for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
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PHY_vars_eNB_g[eNB_id][CC_id] = init_lte_eNB(frame_parms[CC_id],eNB_id,Nid_cell,eNodeB_3GPP,abstraction_flag);
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PHY_vars_eNB_g[eNB_id][CC_id]->Mod_id=eNB_id;
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PHY_vars_eNB_g[eNB_id][CC_id]->CC_id=CC_id;
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}
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}
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PHY_vars_UE_g = (PHY_VARS_UE***)malloc(NB_UE_INST*sizeof(PHY_VARS_UE**));
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for (UE_id=0; UE_id<NB_UE_INST; UE_id++) {
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PHY_vars_UE_g[UE_id] = (PHY_VARS_UE**) malloc(MAX_NUM_CCs*sizeof(PHY_VARS_UE*));
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for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
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(frame_parms[CC_id])->nb_antennas_tx = 1;
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(frame_parms[CC_id])->nb_antennas_rx = nb_antennas_rx_ue;
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PHY_vars_UE_g[UE_id][CC_id] = init_lte_UE(frame_parms[CC_id], UE_id,abstraction_flag);
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PHY_vars_UE_g[UE_id][CC_id]->Mod_id=UE_id;
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PHY_vars_UE_g[UE_id][CC_id]->CC_id=CC_id;
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}
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}
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if (NB_RN_INST > 0) {
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PHY_vars_RN_g = malloc(NB_RN_INST*sizeof(PHY_VARS_RN*));
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for (RN_id=0; RN_id<NB_RN_INST; RN_id++) {
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PHY_vars_RN_g[RN_id] = init_lte_RN(*frame_parms,RN_id,eMBMS_active_state);
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}
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}
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}
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