eNB_scheduler_dlsch.c 82.3 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
 * the OAI Public License, Version 1.0  (the "License"); you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */
21 22 23

/*! \file eNB_scheduler_dlsch.c
 * \brief procedures related to eNB for the DLSCH transport channel
24
 * \author  Navid Nikaein and Raymond Knopp
25
 * \date 2010 - 2014
26
 * \email: navid.nikaein@eurecom.fr
27
 * \version 1.0
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
 * @ingroup _mac

 */

#include "assertions.h"
#include "PHY/defs.h"
#include "PHY/extern.h"

#include "SCHED/defs.h"
#include "SCHED/extern.h"

#include "LAYER2/MAC/defs.h"
#include "LAYER2/MAC/proto.h"
#include "LAYER2/MAC/extern.h"
#include "UTIL/LOG/log.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#include "UTIL/OPT/opt.h"
#include "OCG.h"
#include "OCG_extern.h"

#include "RRC/LITE/extern.h"
#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h"

//#include "LAYER2/MAC/pre_processor.c"
#include "pdcp.h"

54 55
#include "SIMULATION/TOOLS/defs.h" // for taus

56 57 58 59
#if defined(ENABLE_ITTI)
# include "intertask_interface.h"
#endif

Cedric Roux's avatar
Cedric Roux committed
60 61
#include "T.h"

62
#define ENABLE_MAC_PAYLOAD_DEBUG
knopp's avatar
knopp committed
63
//#define DEBUG_eNB_SCHEDULER 1
64

gauthier's avatar
gauthier committed
65

66

67 68 69 70 71 72 73 74 75 76
//------------------------------------------------------------------------------
void
add_ue_dlsch_info(
  module_id_t module_idP,
  int CC_id,
  int UE_id,
  sub_frame_t subframeP,
  UE_DLSCH_STATUS status
)
//------------------------------------------------------------------------------
77
{
78

79 80 81 82
  eNB_dlsch_info[module_idP][CC_id][UE_id].rnti             = UE_RNTI(module_idP,UE_id);
  //  eNB_dlsch_info[module_idP][CC_id][ue_mod_idP].weight           = weight;
  eNB_dlsch_info[module_idP][CC_id][UE_id].subframe         = subframeP;
  eNB_dlsch_info[module_idP][CC_id][UE_id].status           = status;
83

84
  eNB_dlsch_info[module_idP][CC_id][UE_id].serving_num++;
85 86 87

}

88 89 90 91 92 93 94 95
//------------------------------------------------------------------------------
int
schedule_next_dlue(
  module_id_t module_idP,
  int CC_id,
  sub_frame_t subframeP
)
//------------------------------------------------------------------------------
96
{
97

knopp's avatar
knopp committed
98 99
  int next_ue;
  UE_list_t *UE_list=&eNB_mac_inst[module_idP].UE_list;
100

101
  for (next_ue=UE_list->head; next_ue>=0; next_ue=UE_list->next[next_ue] ) {
102
    if  (eNB_dlsch_info[module_idP][CC_id][next_ue].status == S_DL_WAITING) {
knopp's avatar
knopp committed
103
      return next_ue;
104
    }
105
  }
106 107

  for (next_ue=UE_list->head; next_ue>=0; next_ue=UE_list->next[next_ue] ) {
108 109
    if  (eNB_dlsch_info[module_idP][CC_id][next_ue].status == S_DL_BUFFERED) {
      eNB_dlsch_info[module_idP][CC_id][next_ue].status = S_DL_WAITING;
110
    }
knopp's avatar
knopp committed
111 112 113
  }

  return(-1);//next_ue;
114 115 116

}

117 118 119
//------------------------------------------------------------------------------
unsigned char
generate_dlsch_header(
120 121 122 123 124 125 126 127 128
  unsigned char* mac_header,
  unsigned char num_sdus,
  unsigned short *sdu_lengths,
  unsigned char *sdu_lcids,
  unsigned char drx_cmd,
  short timing_advance_cmd,
  unsigned char *ue_cont_res_id,
  unsigned char short_padding,
  unsigned short post_padding
129 130
)
//------------------------------------------------------------------------------
131
{
132 133 134 135 136 137 138 139 140 141

  SCH_SUBHEADER_FIXED *mac_header_ptr = (SCH_SUBHEADER_FIXED *)mac_header;
  uint8_t first_element=0,last_size=0,i;
  uint8_t mac_header_control_elements[16],*ce_ptr;

  ce_ptr = &mac_header_control_elements[0];

  // compute header components

  if ((short_padding == 1) || (short_padding == 2)) {
knopp's avatar
knopp committed
142 143 144 145 146
    mac_header_ptr->R    = 0;
    mac_header_ptr->E    = 0;
    mac_header_ptr->LCID = SHORT_PADDING;
    first_element=1;
    last_size=1;
147
  }
148

149
  if (short_padding == 2) {
knopp's avatar
knopp committed
150 151 152 153 154 155
    mac_header_ptr->E = 1;
    mac_header_ptr++;
    mac_header_ptr->R = 0;
    mac_header_ptr->E    = 0;
    mac_header_ptr->LCID = SHORT_PADDING;
    last_size=1;
156 157 158
  }

  if (drx_cmd != 255) {
knopp's avatar
knopp committed
159 160 161
    if (first_element>0) {
      mac_header_ptr->E = 1;
      mac_header_ptr++;
162
    } else {
knopp's avatar
knopp committed
163 164
      first_element=1;
    }
165

knopp's avatar
knopp committed
166 167 168 169
    mac_header_ptr->R = 0;
    mac_header_ptr->E    = 0;
    mac_header_ptr->LCID = DRX_CMD;
    last_size=1;
170 171 172
  }

  if (timing_advance_cmd != 0) {
knopp's avatar
knopp committed
173 174 175
    if (first_element>0) {
      mac_header_ptr->E = 1;
      mac_header_ptr++;
176
    } else {
knopp's avatar
knopp committed
177 178
      first_element=1;
    }
179

knopp's avatar
knopp committed
180 181 182 183 184 185
    mac_header_ptr->R = 0;
    mac_header_ptr->E    = 0;
    mac_header_ptr->LCID = TIMING_ADV_CMD;
    last_size=1;
    //    msg("last_size %d,mac_header_ptr %p\n",last_size,mac_header_ptr);
    ((TIMING_ADVANCE_CMD *)ce_ptr)->R=0;
knopp's avatar
knopp committed
186
    ((TIMING_ADVANCE_CMD *)ce_ptr)->TA=(timing_advance_cmd+31)&0x3f;
knopp's avatar
knopp committed
187
    LOG_D(MAC,"timing advance =%d (%d)\n",timing_advance_cmd,((TIMING_ADVANCE_CMD *)ce_ptr)->TA);
knopp's avatar
knopp committed
188 189
    ce_ptr+=sizeof(TIMING_ADVANCE_CMD);
    //msg("offset %d\n",ce_ptr-mac_header_control_elements);
190 191 192
  }

  if (ue_cont_res_id) {
knopp's avatar
knopp committed
193 194 195
    if (first_element>0) {
      mac_header_ptr->E = 1;
      /*
196 197 198 199
      printf("[eNB][MAC] last subheader : %x (R%d,E%d,LCID%d)\n",*(unsigned char*)mac_header_ptr,
      ((SCH_SUBHEADER_FIXED *)mac_header_ptr)->R,
      ((SCH_SUBHEADER_FIXED *)mac_header_ptr)->E,
      ((SCH_SUBHEADER_FIXED *)mac_header_ptr)->LCID);
knopp's avatar
knopp committed
200 201
      */
      mac_header_ptr++;
202
    } else {
knopp's avatar
knopp committed
203 204
      first_element=1;
    }
205

knopp's avatar
knopp committed
206 207 208 209
    mac_header_ptr->R = 0;
    mac_header_ptr->E    = 0;
    mac_header_ptr->LCID = UE_CONT_RES;
    last_size=1;
210

knopp's avatar
knopp committed
211
    LOG_T(MAC,"[eNB ][RAPROC] Generate contention resolution msg: %x.%x.%x.%x.%x.%x\n",
212 213 214 215 216 217 218
          ue_cont_res_id[0],
          ue_cont_res_id[1],
          ue_cont_res_id[2],
          ue_cont_res_id[3],
          ue_cont_res_id[4],
          ue_cont_res_id[5]);

knopp's avatar
knopp committed
219 220 221
    memcpy(ce_ptr,ue_cont_res_id,6);
    ce_ptr+=6;
    // msg("(cont_res) : offset %d\n",ce_ptr-mac_header_control_elements);
222 223 224 225
  }

  //msg("last_size %d,mac_header_ptr %p\n",last_size,mac_header_ptr);

226
  for (i=0; i<num_sdus; i++) {
knopp's avatar
knopp committed
227
    LOG_T(MAC,"[eNB] Generate DLSCH header num sdu %d len sdu %d\n",num_sdus, sdu_lengths[i]);
228

knopp's avatar
knopp committed
229 230 231
    if (first_element>0) {
      mac_header_ptr->E = 1;
      /*msg("last subheader : %x (R%d,E%d,LCID%d)\n",*(unsigned char*)mac_header_ptr,
232 233 234
      ((SCH_SUBHEADER_FIXED *)mac_header_ptr)->R,
      ((SCH_SUBHEADER_FIXED *)mac_header_ptr)->E,
      ((SCH_SUBHEADER_FIXED *)mac_header_ptr)->LCID);
knopp's avatar
knopp committed
235 236 237
      */
      mac_header_ptr+=last_size;
      //msg("last_size %d,mac_header_ptr %p\n",last_size,mac_header_ptr);
238
    } else {
knopp's avatar
knopp committed
239 240
      first_element=1;
    }
241

knopp's avatar
knopp committed
242 243 244 245 246 247 248
    if (sdu_lengths[i] < 128) {
      ((SCH_SUBHEADER_SHORT *)mac_header_ptr)->R    = 0;
      ((SCH_SUBHEADER_SHORT *)mac_header_ptr)->E    = 0;
      ((SCH_SUBHEADER_SHORT *)mac_header_ptr)->F    = 0;
      ((SCH_SUBHEADER_SHORT *)mac_header_ptr)->LCID = sdu_lcids[i];
      ((SCH_SUBHEADER_SHORT *)mac_header_ptr)->L    = (unsigned char)sdu_lengths[i];
      last_size=2;
249
    } else {
knopp's avatar
knopp committed
250 251 252 253 254 255 256 257
      ((SCH_SUBHEADER_LONG *)mac_header_ptr)->R    = 0;
      ((SCH_SUBHEADER_LONG *)mac_header_ptr)->E    = 0;
      ((SCH_SUBHEADER_LONG *)mac_header_ptr)->F    = 1;
      ((SCH_SUBHEADER_LONG *)mac_header_ptr)->LCID = sdu_lcids[i];
      ((SCH_SUBHEADER_LONG *)mac_header_ptr)->L_MSB    = ((unsigned short) sdu_lengths[i]>>8)&0x7f;
      ((SCH_SUBHEADER_LONG *)mac_header_ptr)->L_LSB    = (unsigned short) sdu_lengths[i]&0xff;
      ((SCH_SUBHEADER_LONG *)mac_header_ptr)->padding   = 0x00;
      last_size=3;
258
#ifdef DEBUG_HEADER_PARSING
knopp's avatar
knopp committed
259
      LOG_D(MAC,"[eNB] generate long sdu, size %x (MSB %x, LSB %x)\n",
260 261 262
            sdu_lengths[i],
            ((SCH_SUBHEADER_LONG *)mac_header_ptr)->L_MSB,
            ((SCH_SUBHEADER_LONG *)mac_header_ptr)->L_LSB);
263
#endif
knopp's avatar
knopp committed
264
    }
265
  }
266

267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282
  /*

    printf("last_size %d,mac_header_ptr %p\n",last_size,mac_header_ptr);

    printf("last subheader : %x (R%d,E%d,LCID%d)\n",*(unsigned char*)mac_header_ptr,
    ((SCH_SUBHEADER_FIXED *)mac_header_ptr)->R,
    ((SCH_SUBHEADER_FIXED *)mac_header_ptr)->E,
    ((SCH_SUBHEADER_FIXED *)mac_header_ptr)->LCID);


    if (((SCH_SUBHEADER_FIXED*)mac_header_ptr)->LCID < UE_CONT_RES) {
    if (((SCH_SUBHEADER_SHORT*)mac_header_ptr)->F == 0)
    printf("F = 0, sdu len (L field) %d\n",(((SCH_SUBHEADER_SHORT*)mac_header_ptr)->L));
    else
    printf("F = 1, sdu len (L field) %d\n",(((SCH_SUBHEADER_LONG*)mac_header_ptr)->L));
    }
knopp's avatar
knopp committed
283
  */
284
  if (post_padding>0) {// we have lots of padding at the end of the packet
knopp's avatar
knopp committed
285 286 287 288 289 290 291
    mac_header_ptr->E = 1;
    mac_header_ptr+=last_size;
    // add a padding element
    mac_header_ptr->R    = 0;
    mac_header_ptr->E    = 0;
    mac_header_ptr->LCID = SHORT_PADDING;
    mac_header_ptr++;
292
  } else { // no end of packet padding
knopp's avatar
knopp committed
293 294
    // last SDU subhead is of fixed type (sdu length implicitly to be computed at UE)
    mac_header_ptr++;
295 296 297 298 299
  }

  //msg("After subheaders %d\n",(uint8_t*)mac_header_ptr - mac_header);

  if ((ce_ptr-mac_header_control_elements) > 0) {
knopp's avatar
knopp committed
300 301 302
    // printf("Copying %d bytes for control elements\n",ce_ptr-mac_header_control_elements);
    memcpy((void*)mac_header_ptr,mac_header_control_elements,ce_ptr-mac_header_control_elements);
    mac_header_ptr+=(unsigned char)(ce_ptr-mac_header_control_elements);
303
  }
304

305 306 307 308 309 310
  //msg("After CEs %d\n",(uint8_t*)mac_header_ptr - mac_header);

  return((unsigned char*)mac_header_ptr - mac_header);

}

311 312 313 314 315 316 317 318 319 320 321
//------------------------------------------------------------------------------
void
set_ul_DAI(
  int module_idP,
  int UE_idP,
  int CC_idP,
  int frameP,
  int subframeP,
  LTE_DL_FRAME_PARMS*  frame_parms[MAX_NUM_CCs]
)
//------------------------------------------------------------------------------
322 323
{

knopp's avatar
knopp committed
324 325 326
  eNB_MAC_INST         *eNB      = &eNB_mac_inst[module_idP];
  UE_list_t            *UE_list  = &eNB->UE_list;
  unsigned char         DAI;
327

knopp's avatar
knopp committed
328 329
  if (frame_parms[CC_idP]->frame_type == TDD) {
    DAI = (UE_list->UE_template[CC_idP][UE_idP].DAI-1)&3;
330
    LOG_D(MAC,"[eNB %d] CC_id %d Frame %d, subframe %d: DAI %d for UE %d\n",module_idP,CC_idP,frameP,subframeP,DAI,UE_idP);
knopp's avatar
knopp committed
331
    // Save DAI for Format 0 DCI
332

knopp's avatar
knopp committed
333 334 335 336
    switch (frame_parms[CC_idP]->tdd_config) {
    case 0:
      //      if ((subframeP==0)||(subframeP==1)||(subframeP==5)||(subframeP==6))
      break;
337

knopp's avatar
knopp committed
338 339 340
    case 1:
      switch (subframeP) {
      case 1:
341 342 343
        UE_list->UE_template[CC_idP][UE_idP].DAI_ul[7] = DAI;
        break;

knopp's avatar
knopp committed
344
      case 4:
345 346 347
        UE_list->UE_template[CC_idP][UE_idP].DAI_ul[8] = DAI;
        break;

knopp's avatar
knopp committed
348
      case 6:
349 350 351
        UE_list->UE_template[CC_idP][UE_idP].DAI_ul[2] = DAI;
        break;

knopp's avatar
knopp committed
352
      case 9:
353 354
        UE_list->UE_template[CC_idP][UE_idP].DAI_ul[3] = DAI;
        break;
knopp's avatar
knopp committed
355
      }
356

knopp's avatar
knopp committed
357 358
    case 2:
      //      if ((subframeP==3)||(subframeP==8))
359
      //  UE_list->UE_template[CC_idP][UE_idP].DAI_ul = DAI;
knopp's avatar
knopp committed
360
      break;
361

knopp's avatar
knopp committed
362
    case 3:
363

knopp's avatar
knopp committed
364 365 366 367
      //if ((subframeP==6)||(subframeP==8)||(subframeP==0)) {
      //  LOG_D(MAC,"schedule_ue_spec: setting UL DAI to %d for subframeP %d => %d\n",DAI,subframeP, ((subframeP+8)%10)>>1);
      //  UE_list->UE_template[CC_idP][UE_idP].DAI_ul[((subframeP+8)%10)>>1] = DAI;
      //}
368
      switch (subframeP) {
knopp's avatar
knopp committed
369 370 371
      case 5:
      case 6:
      case 1:
372 373 374
        UE_list->UE_template[CC_idP][UE_idP].DAI_ul[2] = DAI;
        break;

knopp's avatar
knopp committed
375 376
      case 7:
      case 8:
377 378 379
        UE_list->UE_template[CC_idP][UE_idP].DAI_ul[3] = DAI;
        break;

knopp's avatar
knopp committed
380 381
      case 9:
      case 0:
382 383 384
        UE_list->UE_template[CC_idP][UE_idP].DAI_ul[4] = DAI;
        break;

knopp's avatar
knopp committed
385
      default:
386
        break;
knopp's avatar
knopp committed
387
      }
388

knopp's avatar
knopp committed
389
      break;
390

knopp's avatar
knopp committed
391 392
    case 4:
      //      if ((subframeP==8)||(subframeP==9))
393
      //  UE_list->UE_template[CC_idP][UE_idP].DAI_ul = DAI;
knopp's avatar
knopp committed
394
      break;
395

knopp's avatar
knopp committed
396 397
    case 5:
      //      if (subframeP==8)
398
      //  UE_list->UE_template[CC_idP][UE_idP].DAI_ul = DAI;
knopp's avatar
knopp committed
399
      break;
400

knopp's avatar
knopp committed
401 402
    case 6:
      //      if ((subframeP==1)||(subframeP==4)||(subframeP==6)||(subframeP==9))
403
      //  UE_list->UE_template[CC_idP][UE_idP].DAI_ul = DAI;
knopp's avatar
knopp committed
404
      break;
405

knopp's avatar
knopp committed
406 407 408 409 410 411
    default:
      break;
    }
  }
}

412

413 414 415
//------------------------------------------------------------------------------
void
schedule_ue_spec(
416 417 418
  module_id_t   module_idP,
  frame_t       frameP,
  sub_frame_t   subframeP,
419
  int*          mbsfn_flag
420 421
)
//------------------------------------------------------------------------------
422
{
knopp's avatar
knopp committed
423

424
  uint8_t               CC_id;
knopp's avatar
knopp committed
425
  int                   UE_id;
426
  int                   N_RBG[MAX_NUM_CCs];
427 428
  unsigned char         aggregation;
  mac_rlc_status_resp_t rlc_status;
Rohit Gupta's avatar
Rohit Gupta committed
429
  unsigned char         header_len_dcch=0, header_len_dcch_tmp=0; 
430 431 432
  unsigned char         header_len_dtch=0, header_len_dtch_tmp=0, header_len_dtch_last=0; 
  unsigned char         ta_len=0;
  unsigned char         sdu_lcids[NB_RB_MAX],lcid,offset,num_sdus=0;
433
  uint16_t              nb_rb,nb_rb_temp,total_nb_available_rb[MAX_NUM_CCs],nb_available_rb;
434
  uint16_t              TBS,j,sdu_lengths[NB_RB_MAX],rnti,padding=0,post_padding=0;
435 436 437 438 439
  unsigned char         dlsch_buffer[MAX_DLSCH_PAYLOAD_BYTES];
  unsigned char         round            = 0;
  unsigned char         harq_pid         = 0;
  void                 *DLSCH_dci        = NULL;
  LTE_eNB_UE_stats     *eNB_UE_stats     = NULL;
440
  uint16_t              sdu_length_total = 0;
441 442 443
  //  uint8_t               dl_pow_off[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
  //  unsigned char         rballoc_sub_UE[MAX_NUM_CCs][NUMBER_OF_UE_MAX][N_RBG_MAX];
  //  uint16_t              pre_nb_available_rbs[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
444
  int                   mcs;
445
  int              min_rb_unit[MAX_NUM_CCs];
knopp's avatar
knopp committed
446 447
  eNB_MAC_INST         *eNB      = &eNB_mac_inst[module_idP];
  UE_list_t            *UE_list  = &eNB->UE_list;
448
  LTE_DL_FRAME_PARMS   *frame_parms[MAX_NUM_CCs];
449
  int                   continue_flag=0;
450 451 452
  int32_t                 normalized_rx_power, target_rx_power;
  int32_t                 tpc=1;
  static int32_t          tpc_accumulated=0;
453
  UE_sched_ctrl           *ue_sched_ctl;
454
  int i;
455

456
#if 0
457
  if (UE_list->head==-1) {
458
    return;
459
  }
460
#endif
461

462
  start_meas(&eNB->schedule_dlsch);
gauthier's avatar
gauthier committed
463
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_SCHEDULE_DLSCH,VCD_FUNCTION_IN);
464 465

  //weight = get_ue_weight(module_idP,UE_id);
466
  aggregation = 2; 
467

468
  for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
469
    min_rb_unit[CC_id]=get_min_rb_unit(module_idP,CC_id);
470
    frame_parms[CC_id] = mac_xface->get_lte_frame_parms(module_idP,CC_id);
471 472 473 474 475 476
    // get number of PRBs less those used by common channels
    total_nb_available_rb[CC_id] = frame_parms[CC_id]->N_RB_DL;
    for (i=0;i<frame_parms[CC_id]->N_RB_DL;i++)
      if (eNB->common_channels[CC_id].vrb_map[i]!=0)
	total_nb_available_rb[CC_id]--;

477 478
    N_RBG[CC_id] = frame_parms[CC_id]->N_RBG;

479
    // store the global enb stats:
480 481 482 483 484
    eNB->eNB_stats[CC_id].num_dlactive_UEs =  UE_list->num_UEs;
    eNB->eNB_stats[CC_id].available_prbs =  total_nb_available_rb[CC_id];
    eNB->eNB_stats[CC_id].total_available_prbs +=  total_nb_available_rb[CC_id];
    eNB->eNB_stats[CC_id].dlsch_bytes_tx=0;
    eNB->eNB_stats[CC_id].dlsch_pdus_tx=0;
knopp's avatar
knopp committed
485
  }
486

487
  /// CALLING Pre_Processor for downlink scheduling (Returns estimation of RBs required by each UE and the allocation on sub-band)
488

gauthier's avatar
gauthier committed
489
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_PREPROCESSOR,VCD_FUNCTION_IN);
knopp's avatar
knopp committed
490
  start_meas(&eNB->schedule_dlsch_preprocessor);
491
  dlsch_scheduler_pre_processor(module_idP,
492 493 494 495
                                frameP,
                                subframeP,
                                N_RBG,
                                mbsfn_flag);
knopp's avatar
knopp committed
496
  stop_meas(&eNB->schedule_dlsch_preprocessor);
gauthier's avatar
gauthier committed
497
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_PREPROCESSOR,VCD_FUNCTION_OUT);
knopp's avatar
knopp committed
498

499 500

  for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
501
    LOG_D(MAC, "doing schedule_ue_spec for CC_id %d\n",CC_id);
502

knopp's avatar
knopp committed
503 504
    if (mbsfn_flag[CC_id]>0)
      continue;
505 506

    for (UE_id=UE_list->head; UE_id>=0; UE_id=UE_list->next[UE_id]) {
507
      continue_flag=0; // reset the flag to allow allocation for the remaining UEs
knopp's avatar
knopp committed
508
      rnti = UE_RNTI(module_idP,UE_id);
509
      eNB_UE_stats = mac_xface->get_eNB_UE_stats(module_idP,CC_id,rnti);
510
      ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
511

512
      if (rnti==NOT_A_RNTI) {
513 514 515
        LOG_D(MAC,"Cannot find rnti for UE_id %d (num_UEs %d)\n",UE_id,UE_list->num_UEs);
        // mac_xface->macphy_exit("Cannot find rnti for UE_id");
        continue_flag=1;
516
      }
517

518
      if (eNB_UE_stats==NULL) {
519 520 521
        LOG_D(MAC,"[eNB] Cannot find eNB_UE_stats\n");
        //  mac_xface->macphy_exit("[MAC][eNB] Cannot find eNB_UE_stats\n");
        continue_flag=1;
522
      }
523
      
524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540
      switch(mac_xface->get_transmission_mode(module_idP,CC_id,rnti)){
      case 1:
      case 2:
      case 7:
	aggregation = get_aggregation(get_bw_index(module_idP,CC_id), 
				      eNB_UE_stats->DL_cqi[0],
				      format1);
	break;
      case 3:
	aggregation = get_aggregation(get_bw_index(module_idP,CC_id), 
				      eNB_UE_stats->DL_cqi[0],
				      format2A);
	break;
      default:
	LOG_W(MAC,"Unsupported transmission mode %d\n", mac_xface->get_transmission_mode(module_idP,CC_id,rnti));
	aggregation = 2;
      }
541
      
542 543 544
      if ((ue_sched_ctl->pre_nb_available_rbs[CC_id] == 0) ||  // no RBs allocated 
	  CCE_allocation_infeasible(module_idP,CC_id,0,subframeP,aggregation,rnti)
	  ) {
545
        LOG_D(MAC,"[eNB %d] Frame %d : no RB allocated for UE %d on CC_id %d: continue \n",
546
              module_idP, frameP, UE_id, CC_id);
547 548 549 550
        //if(mac_xface->get_transmission_mode(module_idP,rnti)==5)
        continue_flag=1; //to next user (there might be rbs availiable for other UEs in TM5
        // else
        //  break;
551
      }
552

knopp's avatar
knopp committed
553
      if (frame_parms[CC_id]->frame_type == TDD)  {
554 555 556 557 558 559 560
        set_ue_dai (subframeP,
                    frame_parms[CC_id]->tdd_config,
                    UE_id,
                    CC_id,
                    UE_list);
        // update UL DAI after DLSCH scheduling
        set_ul_DAI(module_idP,UE_id,CC_id,frameP,subframeP,frame_parms);
knopp's avatar
knopp committed
561 562
      }

563 564 565 566 567 568 569
      if (continue_flag == 1 ) {
        add_ue_dlsch_info(module_idP,
                          CC_id,
                          UE_id,
                          subframeP,
                          S_DL_NONE);
        continue;
570
      }
571

572 573 574
      nb_available_rb = ue_sched_ctl->pre_nb_available_rbs[CC_id];
      harq_pid = ue_sched_ctl->harq_pid[CC_id];
      round = ue_sched_ctl->round[CC_id];
575
      UE_list->eNB_UE_stats[CC_id][UE_id].crnti= rnti;
576
      UE_list->eNB_UE_stats[CC_id][UE_id].rrc_status=mac_eNB_get_rrc_status(module_idP,rnti);
577
      UE_list->eNB_UE_stats[CC_id][UE_id].harq_pid = harq_pid; 
578
      UE_list->eNB_UE_stats[CC_id][UE_id].harq_round = round;
579

580 581
      sdu_length_total=0;
      num_sdus=0;
582 583 584 585 586

      /*
      DevCheck(((eNB_UE_stats->DL_cqi[0] < MIN_CQI_VALUE) || (eNB_UE_stats->DL_cqi[0] > MAX_CQI_VALUE)),
      eNB_UE_stats->DL_cqi[0], MIN_CQI_VALUE, MAX_CQI_VALUE);
      */
587
      eNB_UE_stats->dlsch_mcs1 = cqi_to_mcs[eNB_UE_stats->DL_cqi[0]];
588
      eNB_UE_stats->dlsch_mcs1 = eNB_UE_stats->dlsch_mcs1;//cmin(eNB_UE_stats->dlsch_mcs1, openair_daq_vars.target_ue_dl_mcs);
589

590

591
      // store stats
knopp's avatar
knopp committed
592
      UE_list->eNB_UE_stats[CC_id][UE_id].dl_cqi= eNB_UE_stats->DL_cqi[0];
593

594
      // initializing the rb allocation indicator for each UE
595 596
      for(j=0; j<frame_parms[CC_id]->N_RBG; j++) {
        UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j] = 0;
597 598
      }

599
      LOG_D(MAC,"[eNB %d] Frame %d: Scheduling UE %d on CC_id %d (rnti %x, harq_pid %d, round %d, rb %d, cqi %d, mcs %d, rrc %d)\n",
600 601
            module_idP, frameP, UE_id,CC_id,rnti,harq_pid, round,nb_available_rb,
            eNB_UE_stats->DL_cqi[0], eNB_UE_stats->dlsch_mcs1,
602
	    UE_list->eNB_UE_stats[CC_id][UE_id].rrc_status);
603 604


605 606
      // Note this code is for a specific DCI format
      DLSCH_dci = (void *)UE_list->UE_template[CC_id][UE_id].DLSCH_DCI[harq_pid];
607 608


609 610
      /* process retransmission  */

611
      if (round > 0) {
612 613 614 615

        if (frame_parms[CC_id]->frame_type == TDD) {
          UE_list->UE_template[CC_id][UE_id].DAI++;
          update_ul_dci(module_idP,CC_id,rnti,UE_list->UE_template[CC_id][UE_id].DAI);
616 617
          LOG_D(MAC,"DAI update: CC_id %d subframeP %d: UE %d, DAI %d\n",
                CC_id,subframeP,UE_id,UE_list->UE_template[CC_id][UE_id].DAI);
618 619 620 621 622 623 624
        }

        // get freq_allocation
        nb_rb = UE_list->UE_template[CC_id][UE_id].nb_rb[harq_pid];

        if (nb_rb <= nb_available_rb) {

625
          if(nb_rb == ue_sched_ctl->pre_nb_available_rbs[CC_id]) {
626
            for(j=0; j<frame_parms[CC_id]->N_RBG; j++) { // for indicating the rballoc for each sub-band
627
              UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j] = ue_sched_ctl->rballoc_sub_UE[CC_id][j];
628
            }
629 630 631 632 633
          } else {
            nb_rb_temp = nb_rb;
            j = 0;

            while((nb_rb_temp > 0) && (j<frame_parms[CC_id]->N_RBG)) {
634 635
              if(ue_sched_ctl->rballoc_sub_UE[CC_id][j] == 1) {
                UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j] = ue_sched_ctl->rballoc_sub_UE[CC_id][j];
636 637 638

                if((j == frame_parms[CC_id]->N_RBG-1) &&
                    ((frame_parms[CC_id]->N_RB_DL == 25)||
639
                     (frame_parms[CC_id]->N_RB_DL == 50))) {
640
                  nb_rb_temp = nb_rb_temp - min_rb_unit[CC_id]+1;
641
                } else {
642
                  nb_rb_temp = nb_rb_temp - min_rb_unit[CC_id];
643
                }
644 645 646 647 648 649 650 651
              }

              j = j+1;
            }
          }

          nb_available_rb -= nb_rb;
          PHY_vars_eNB_g[module_idP][CC_id]->mu_mimo_mode[UE_id].pre_nb_available_rbs = nb_rb;
652
          PHY_vars_eNB_g[module_idP][CC_id]->mu_mimo_mode[UE_id].dl_pow_off = ue_sched_ctl->dl_pow_off[CC_id];
653

654
          for(j=0; j<frame_parms[CC_id]->N_RBG; j++) {
655
            PHY_vars_eNB_g[module_idP][CC_id]->mu_mimo_mode[UE_id].rballoc_sub[j] = UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j];
656
          }
657 658 659 660

          switch (mac_xface->get_transmission_mode(module_idP,CC_id,rnti)) {
          case 1:
          case 2:
Xiwen JIANG's avatar
Xiwen JIANG committed
661
          case 7:
662 663 664 665 666 667 668 669
          default:
            switch (frame_parms[CC_id]->N_RB_DL) {
            case 6:
              if (frame_parms[CC_id]->frame_type == TDD) {
                //        ((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->ndi      = 0;
                ((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->rv       = round&3;
                ((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->dai      = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3;
670 671
                LOG_D(MAC,"[eNB %d] Retransmission CC_id %d : harq_pid %d, round %d, dai %d, mcs %d\n",
                      module_idP,CC_id,harq_pid,round,(UE_list->UE_template[CC_id][UE_id].DAI-1),
672
                      ((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->mcs);
673 674 675 676
              } else {
                //        ((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->ndi      = 0;
                ((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->rv       = round&3;
677 678
                LOG_D(MAC,"[eNB %d] Retransmission CC_id %d : harq_pid %d, round %d, mcs %d\n",
                      module_idP,CC_id,harq_pid,round,((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->mcs);
679 680 681 682 683 684 685 686 687 688 689

              }

              break;

            case 25:
              if (frame_parms[CC_id]->frame_type == TDD) {
                //        ((DCI1_5MHz_TDD_t*)DLSCH_dci)->ndi      = 0;
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->rv       = round&3;
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->dai      = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3;
690 691
                LOG_D(MAC,"[eNB %d] Retransmission CC_id %d : harq_pid %d, round %d, dai %d, mcs %d\n",
                      module_idP,CC_id,harq_pid,round,(UE_list->UE_template[CC_id][UE_id].DAI-1),
692
                      ((DCI1_5MHz_TDD_t*)DLSCH_dci)->mcs);
693 694 695 696
              } else {
                //        ((DCI1_5MHz_FDD_t*)DLSCH_dci)->ndi      = 0;
                ((DCI1_5MHz_FDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_5MHz_FDD_t*)DLSCH_dci)->rv       = round&3;
697 698
                LOG_D(MAC,"[eNB %d] Retransmission CC_id %d : harq_pid %d, round %d, mcs %d\n",
                      module_idP,CC_id,harq_pid,round,((DCI1_5MHz_FDD_t*)DLSCH_dci)->mcs);
699 700 701 702 703 704 705 706 707 708 709

              }

              break;

            case 50:
              if (frame_parms[CC_id]->frame_type == TDD) {
                //        ((DCI1_10MHz_TDD_t*)DLSCH_dci)->ndi      = 0;
                ((DCI1_10MHz_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_10MHz_TDD_t*)DLSCH_dci)->rv       = round&3;
                ((DCI1_10MHz_TDD_t*)DLSCH_dci)->dai      = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3;
710 711
                LOG_D(MAC,"[eNB %d] Retransmission CC_id %d : harq_pid %d, round %d, dai %d, mcs %d\n",
                      module_idP,CC_id,harq_pid,round,(UE_list->UE_template[CC_id][UE_id].DAI-1),
712
                      ((DCI1_10MHz_TDD_t*)DLSCH_dci)->mcs);
713 714 715 716
              } else {
                //        ((DCI1_10MHz_FDD_t*)DLSCH_dci)->ndi      = 0;
                ((DCI1_10MHz_FDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_10MHz_FDD_t*)DLSCH_dci)->rv       = round&3;
717 718
                LOG_D(MAC,"[eNB %d] Retransmission CC_id %d : harq_pid %d, round %d, mcs %d\n",
                      module_idP,CC_id,harq_pid,round,((DCI1_10MHz_FDD_t*)DLSCH_dci)->mcs);
719 720 721 722 723 724 725 726 727 728 729

              }

              break;

            case 100:
              if (frame_parms[CC_id]->frame_type == TDD) {
                //        ((DCI1_20MHz_TDD_t*)DLSCH_dci)->ndi      = 0;
                ((DCI1_20MHz_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_20MHz_TDD_t*)DLSCH_dci)->rv       = round&3;
                ((DCI1_20MHz_TDD_t*)DLSCH_dci)->dai      = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3;
730 731
                LOG_D(MAC,"[eNB %d] Retransmission CC_id %d : harq_pid %d, round %d, dai %d, mcs %d\n",
                      module_idP,CC_id,harq_pid,round,(UE_list->UE_template[CC_id][UE_id].DAI-1),
732
                      ((DCI1_20MHz_TDD_t*)DLSCH_dci)->mcs);
733 734 735 736
              } else {
                //        ((DCI1_20MHz_FDD_t*)DLSCH_dci)->ndi      = 0;
                ((DCI1_20MHz_FDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_20MHz_FDD_t*)DLSCH_dci)->rv       = round&3;
737 738
                LOG_D(MAC,"[eNB %d] Retransmission CC_id %d : harq_pid %d, round %d, mcs %d\n",
                      module_idP,CC_id,harq_pid,round,((DCI1_20MHz_FDD_t*)DLSCH_dci)->mcs);
739 740 741 742 743 744 745

              }

              break;
            }

            break;
746 747
	    /* 
	    // this code is disabled for now - needs to be done properly
748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769
          case 4:
            //    if (nb_rb>10) {
            ((DCI2_5MHz_2A_TDD_t*)DLSCH_dci)->ndi1 = 0;
            ((DCI2_5MHz_2A_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
            ((DCI2_5MHz_2A_TDD_t*)DLSCH_dci)->dai = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3;
            // }
            //else {
            //  ((DCI2_5MHz_2A_L10PRB_TDD_t*)DLSCH_dci)->ndi1 = 0;
            // ((DCI2_5MHz_2A_L10PRB_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
            // ((DCI2_5MHz_2A_L10PRB_TDD_t*)DLSCH_dci)->rv1 = round&3;
            // ((DCI2_5MHz_2A_L10PRB_TDD_t*)DLSCH_dci)->dai = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3;
            // }
            break;

          case 5:
            // if(nb_rb>10){
            //((DCI1E_5MHz_2A_M10PRB_TDD_t*)DLSCH_dci)->mcs = eNB_UE_stats->DL_cqi[0]<<1;
            ((DCI1E_5MHz_2A_M10PRB_TDD_t*)DLSCH_dci)->ndi = 0;
            ((DCI1E_5MHz_2A_M10PRB_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
            ((DCI1E_5MHz_2A_M10PRB_TDD_t*)DLSCH_dci)->rv = round&3;
            ((DCI1E_5MHz_2A_M10PRB_TDD_t*)DLSCH_dci)->dai = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3;

770 771
            if(ue_sched_ctl->dl_pow_off[CC_id] == 2) {
              ue_sched_ctl->dl_pow_off[CC_id] = 1;
772
            }
773

774
            ((DCI1E_5MHz_2A_M10PRB_TDD_t*)DLSCH_dci)->dl_power_off = ue_sched_ctl->dl_pow_off[CC_id];
775 776 777 778 779 780 781 782 783 784
            // }
            break;

          case 6:
            ((DCI1E_5MHz_2A_M10PRB_TDD_t*)DLSCH_dci)->ndi = 0;
            ((DCI1E_5MHz_2A_M10PRB_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
            ((DCI1E_5MHz_2A_M10PRB_TDD_t*)DLSCH_dci)->rv = round&3;
            ((DCI1E_5MHz_2A_M10PRB_TDD_t*)DLSCH_dci)->dai = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3;
            ((DCI1E_5MHz_2A_M10PRB_TDD_t*)DLSCH_dci)->dl_power_off = 1;//dl_pow_off[UE_id];
            break;
785
	    */
786 787 788 789 790 791 792 793 794 795 796 797 798 799 800
          }

          add_ue_dlsch_info(module_idP,
                            CC_id,
                            UE_id,
                            subframeP,
                            S_DL_SCHEDULED);

          //eNB_UE_stats->dlsch_trials[round]++;
          UE_list->eNB_UE_stats[CC_id][UE_id].num_retransmission+=1;
          UE_list->eNB_UE_stats[CC_id][UE_id].rbs_used_retx=nb_rb;
          UE_list->eNB_UE_stats[CC_id][UE_id].total_rbs_used_retx+=nb_rb;
          UE_list->eNB_UE_stats[CC_id][UE_id].dlsch_mcs1=eNB_UE_stats->dlsch_mcs1;
          UE_list->eNB_UE_stats[CC_id][UE_id].dlsch_mcs2=eNB_UE_stats->dlsch_mcs1;
        } else {
801 802
          LOG_D(MAC,"[eNB %d] Frame %d CC_id %d : don't schedule UE %d, its retransmission takes more resources than we have\n",
                module_idP, frameP, CC_id, UE_id);
803 804 805 806 807 808 809 810 811 812 813
        }
      } else { /* This is a potentially new SDU opportunity */

        rlc_status.bytes_in_buffer = 0;
        // Now check RLC information to compute number of required RBs
        // get maximum TBS size for RLC request
        //TBS = mac_xface->get_TBS(eNB_UE_stats->DL_cqi[0]<<1,nb_available_rb);
        TBS = mac_xface->get_TBS_DL(eNB_UE_stats->dlsch_mcs1,nb_available_rb);
        // check first for RLC data on DCCH
        // add the length for  all the control elements (timing adv, drx, etc) : header + payload

814
        ta_len = (ue_sched_ctl->ta_update!=0) ? 2 : 0;
815 816 817 818 819 820

        header_len_dcch = 2; // 2 bytes DCCH SDU subheader

        if ( TBS-ta_len-header_len_dcch > 0 ) {
          rlc_status = mac_rlc_status_ind(
                         module_idP,
821
                         rnti,
822
			 module_idP,
823
                         frameP,
824
						 subframeP,
825 826 827 828 829 830 831 832
                         ENB_FLAG_YES,
                         MBMS_FLAG_NO,
                         DCCH,
                         (TBS-ta_len-header_len_dcch)); // transport block set size

          sdu_lengths[0]=0;

          if (rlc_status.bytes_in_buffer > 0) {  // There is DCCH to transmit
833 834
            LOG_D(MAC,"[eNB %d] Frame %d, DL-DCCH->DLSCH CC_id %d, Requesting %d bytes from RLC (RRC message)\n",
                  module_idP,frameP,CC_id,TBS-header_len_dcch);
knopp's avatar
knopp committed
835 836 837 838 839 840 841 842
            sdu_lengths[0] = mac_rlc_data_req(
					      module_idP,
					      rnti,
					      module_idP,
					      frameP,
					      ENB_FLAG_YES,
					      MBMS_FLAG_NO,
					      DCCH,
843
						  TBS, //not used
knopp's avatar
knopp committed
844
					      (char *)&dlsch_buffer[0]);
845

Cedric Roux's avatar
Cedric Roux committed
846 847 848
            T(T_ENB_MAC_UE_DL_SDU, T_INT(module_idP), T_INT(CC_id), T_INT(rnti), T_INT(frameP), T_INT(subframeP),
              T_INT(harq_pid), T_INT(DCCH), T_INT(sdu_lengths[0]));

849
            LOG_D(MAC,"[eNB %d][DCCH] CC_id %d Got %d bytes from RLC\n",module_idP,CC_id,sdu_lengths[0]);
850 851 852 853 854
            sdu_length_total = sdu_lengths[0];
            sdu_lcids[0] = DCCH;
            UE_list->eNB_UE_stats[CC_id][UE_id].num_pdu_tx[DCCH]+=1;
            UE_list->eNB_UE_stats[CC_id][UE_id].num_bytes_tx[DCCH]+=sdu_lengths[0];
            num_sdus = 1;
855
#ifdef DEBUG_eNB_SCHEDULER
856
            LOG_T(MAC,"[eNB %d][DCCH] CC_id %d Got %d bytes :",module_idP,CC_id,sdu_lengths[0]);
857

858
            for (j=0; j<sdu_lengths[0]; j++) {
859
              LOG_T(MAC,"%x ",dlsch_buffer[j]);
860
            }
861 862 863 864 865 866 867 868

            LOG_T(MAC,"\n");
#endif
          } else {
            header_len_dcch = 0;
            sdu_length_total = 0;
          }
        }
knopp's avatar
knopp committed
869
	
870 871 872 873
        // check for DCCH1 and update header information (assume 2 byte sub-header)
        if (TBS-ta_len-header_len_dcch-sdu_length_total > 0 ) {
          rlc_status = mac_rlc_status_ind(
                         module_idP,
874
                         rnti,
875
			 module_idP,
876
                         frameP,
877
						 subframeP,
878 879 880 881 882
                         ENB_FLAG_YES,
                         MBMS_FLAG_NO,
                         DCCH+1,
                         (TBS-ta_len-header_len_dcch-sdu_length_total)); // transport block set size less allocations for timing advance and
          // DCCH SDU
knopp's avatar
knopp committed
883
	  sdu_lengths[num_sdus] = 0;
884 885

          if (rlc_status.bytes_in_buffer > 0) {
knopp's avatar
knopp committed
886
            LOG_I(MAC,"[eNB %d], Frame %d, DCCH1->DLSCH, CC_id %d, Requesting %d bytes from RLC (RRC message)\n",
887
                  module_idP,frameP,CC_id,TBS-header_len_dcch-sdu_length_total);
888 889
            sdu_lengths[num_sdus] += mac_rlc_data_req(
                                       module_idP,
890
                                       rnti,
891
				       module_idP,
892 893 894 895
                                       frameP,
                                       ENB_FLAG_YES,
                                       MBMS_FLAG_NO,
                                       DCCH+1,
896
									   TBS, //not used
knopp's avatar
knopp committed
897
                                       (char *)&dlsch_buffer[sdu_length_total]);
898

Cedric Roux's avatar
Cedric Roux committed
899 900 901
            T(T_ENB_MAC_UE_DL_SDU, T_INT(module_idP), T_INT(CC_id), T_INT(rnti), T_INT(frameP), T_INT(subframeP),
              T_INT(harq_pid), T_INT(DCCH+1), T_INT(sdu_lengths[num_sdus]));

902 903 904 905 906
            sdu_lcids[num_sdus] = DCCH1;
            sdu_length_total += sdu_lengths[num_sdus];
            header_len_dcch += 2;
            UE_list->eNB_UE_stats[CC_id][UE_id].num_pdu_tx[DCCH1]+=1;
            UE_list->eNB_UE_stats[CC_id][UE_id].num_bytes_tx[DCCH1]+=sdu_lengths[num_sdus];
907
	    num_sdus++;
nikaeinn's avatar
nikaeinn committed
908 909
#ifdef DEBUG_eNB_SCHEDULER
            LOG_T(MAC,"[eNB %d][DCCH1] CC_id %d Got %d bytes :",module_idP,CC_id,sdu_lengths[num_sdus]);
910

nikaeinn's avatar
nikaeinn committed
911 912
            for (j=0; j<sdu_lengths[num_sdus]; j++) {
              LOG_T(MAC,"%x ",dlsch_buffer[j]);
913 914
            }

nikaeinn's avatar
nikaeinn committed
915 916
            LOG_T(MAC,"\n");
#endif
917

918
	  }
919 920
        }

921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938
	// assume the max dtch header size, and adjust it later
	header_len_dtch=0;
	header_len_dtch_last=0; // the header length of the last mac sdu
	// lcid has to be sorted before the actual allocation (similar struct as ue_list).
	for (lcid=NB_RB_MAX-1; lcid>=DTCH ; lcid--){
	  // TBD: check if the lcid is active
	  
	  header_len_dtch+=3; 
	  header_len_dtch_last=3;
	  LOG_D(MAC,"[eNB %d], Frame %d, DTCH%d->DLSCH, Checking RLC status (tbs %d, len %d)\n",
		module_idP,frameP,lcid,TBS,
		TBS-ta_len-header_len_dcch-sdu_length_total-header_len_dtch);
	  
	  if (TBS-ta_len-header_len_dcch-sdu_length_total-header_len_dtch > 0 ) { // NN: > 2 ? 
	    rlc_status = mac_rlc_status_ind(module_idP,
					    rnti,
					    module_idP,
					    frameP,
939
						subframeP,
940 941 942 943 944 945 946 947
					    ENB_FLAG_YES,
					    MBMS_FLAG_NO,
					    lcid,
					    TBS-ta_len-header_len_dcch-sdu_length_total-header_len_dtch);
	   

	    if (rlc_status.bytes_in_buffer > 0) {
	      
948
	      LOG_D(MAC,"[eNB %d][USER-PLANE DEFAULT DRB] Frame %d : DTCH->DLSCH, Requesting %d bytes from RLC (lcid %d total hdr len %d)\n",
949
		    module_idP,frameP,TBS-header_len_dcch-sdu_length_total-header_len_dtch,lcid, header_len_dtch);
950 951 952 953 954 955 956
	      sdu_lengths[num_sdus] = mac_rlc_data_req(module_idP,
						       rnti,
						       module_idP,
						       frameP,
						       ENB_FLAG_YES,
						       MBMS_FLAG_NO,
						       lcid,
957
							   TBS,	//not used
958
						       (char*)&dlsch_buffer[sdu_length_total]);
959 960 961
	      T(T_ENB_MAC_UE_DL_SDU, T_INT(module_idP), T_INT(CC_id), T_INT(rnti), T_INT(frameP), T_INT(subframeP),
              T_INT(harq_pid), T_INT(lcid), T_INT(sdu_lengths[num_sdus]));

962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998
	      LOG_D(MAC,"[eNB %d][USER-PLANE DEFAULT DRB] Got %d bytes for DTCH %d \n",module_idP,sdu_lengths[num_sdus],lcid);
	      sdu_lcids[num_sdus] = lcid;
	      sdu_length_total += sdu_lengths[num_sdus];
	      UE_list->eNB_UE_stats[CC_id][UE_id].num_pdu_tx[lcid]+=1;
	      UE_list->eNB_UE_stats[CC_id][UE_id].num_bytes_tx[lcid]+=sdu_lengths[num_sdus];
	      if (sdu_lengths[num_sdus] < 128) {
		header_len_dtch--;
		header_len_dtch_last--;
	      }
	      num_sdus++;
	    } // no data for this LCID
	    else {
	      header_len_dtch-=3;
	    }
	  } // no TBS left
	  else {
	    header_len_dtch-=3;
	    break; 
	  }
	}
	if (header_len_dtch == 0 )
	  header_len_dtch_last= 0;
	// there is at least one SDU 
	// if (num_sdus > 0 ){
	if ((sdu_length_total + header_len_dcch + header_len_dtch )> 0) {
	  
	  // Now compute number of required RBs for total sdu length
	  // Assume RAH format 2
	  // adjust  header lengths
	  header_len_dcch_tmp = header_len_dcch;
	  header_len_dtch_tmp = header_len_dtch;
	  if (header_len_dtch==0) {
	    header_len_dcch = (header_len_dcch >0) ? 1 : 0;//header_len_dcch;  // remove length field
	  } else {
	    header_len_dtch_last-=1; // now use it to find how many bytes has to be removed for the last MAC SDU 
	    header_len_dtch = (header_len_dtch > 0) ? header_len_dtch - header_len_dtch_last  :header_len_dtch;     // remove length field for the last SDU
	  }
999 1000 1001

          mcs = eNB_UE_stats->dlsch_mcs1;

1002 1003 1004 1005 1006
          if (mcs==0) {
            nb_rb = 4;  // don't let the TBS get too small
          } else {
            nb_rb=min_rb_unit[CC_id];
          }
1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022

          TBS = mac_xface->get_TBS_DL(mcs,nb_rb);

          while (TBS < (sdu_length_total + header_len_dcch + header_len_dtch + ta_len))  {
            nb_rb += min_rb_unit[CC_id];  //

            if (nb_rb>nb_available_rb) { // if we've gone beyond the maximum number of RBs
              // (can happen if N_RB_DL is odd)
              TBS = mac_xface->get_TBS_DL(eNB_UE_stats->dlsch_mcs1,nb_available_rb);
              nb_rb = nb_available_rb;
              break;
            }

            TBS = mac_xface->get_TBS_DL(eNB_UE_stats->dlsch_mcs1,nb_rb);
          }

1023
          if(nb_rb == ue_sched_ctl->pre_nb_available_rbs[CC_id]) {
1024
            for(j=0; j<frame_parms[CC_id]->N_RBG; j++) { // for indicating the rballoc for each sub-band
1025
              UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j] = ue_sched_ctl->rballoc_sub_UE[CC_id][j];
1026 1027 1028 1029 1030 1031
            }
          } else {
            nb_rb_temp = nb_rb;
            j = 0;

            while((nb_rb_temp > 0) && (j<frame_parms[CC_id]->N_RBG)) {
1032 1033
              if(ue_sched_ctl->rballoc_sub_UE[CC_id][j] == 1) {
                UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j] = ue_sched_ctl->rballoc_sub_UE[CC_id][j];
1034 1035 1036

                if ((j == frame_parms[CC_id]->N_RBG-1) &&
                    ((frame_parms[CC_id]->N_RB_DL == 25)||
1037
                     (frame_parms[CC_id]->N_RB_DL == 50))) {
1038
                  nb_rb_temp = nb_rb_temp - min_rb_unit[CC_id]+1;
1039
                } else {
1040
                  nb_rb_temp = nb_rb_temp - min_rb_unit[CC_id];
1041
                }
1042 1043 1044 1045 1046 1047 1048
              }

              j = j+1;
            }
          }

          PHY_vars_eNB_g[module_idP][CC_id]->mu_mimo_mode[UE_id].pre_nb_available_rbs = nb_rb;
1049
          PHY_vars_eNB_g[module_idP][CC_id]->mu_mimo_mode[UE_id].dl_pow_off = ue_sched_ctl->dl_pow_off[CC_id];
1050

1051
          for(j=0; j<frame_parms[CC_id]->N_RBG; j++) {
1052 1053
            PHY_vars_eNB_g[module_idP][CC_id]->mu_mimo_mode[UE_id].rballoc_sub[j] = UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j];

1054
          }
1055 1056 1057 1058 1059 1060 1061 1062

          // decrease mcs until TBS falls below required length
          while ((TBS > (sdu_length_total + header_len_dcch + header_len_dtch + ta_len)) && (mcs>0)) {
            mcs--;
            TBS = mac_xface->get_TBS_DL(mcs,nb_rb);
          }

          // if we have decreased too much or we don't have enough RBs, increase MCS
1063 1064
          while ((TBS < (sdu_length_total + header_len_dcch + header_len_dtch + ta_len)) && ((( ue_sched_ctl->dl_pow_off[CC_id]>0) && (mcs<28))
                 || ( (ue_sched_ctl->dl_pow_off[CC_id]==0) && (mcs<=15)))) {
1065 1066 1067 1068 1069 1070 1071
            mcs++;
            TBS = mac_xface->get_TBS_DL(mcs,nb_rb);
          }

          LOG_D(MAC,"dlsch_mcs before and after the rate matching = (%d, %d)\n",eNB_UE_stats->dlsch_mcs1, mcs);

#ifdef DEBUG_eNB_SCHEDULER
1072 1073
          LOG_D(MAC,"[eNB %d] CC_id %d Generated DLSCH header (mcs %d, TBS %d, nb_rb %d)\n",
                module_idP,CC_id,mcs,TBS,nb_rb);
1074 1075
          // msg("[MAC][eNB ] Reminder of DLSCH with random data %d %d %d %d \n",
          //  TBS, sdu_length_total, offset, TBS-sdu_length_total-offset);
1076
#endif
1077 1078 1079 1080 1081 1082 1083 1084

          if ((TBS - header_len_dcch - header_len_dtch - sdu_length_total - ta_len) <= 2) {
            padding = (TBS - header_len_dcch - header_len_dtch - sdu_length_total - ta_len);
            post_padding = 0;
          } else {
            padding = 0;

            // adjust the header len
1085
            if (header_len_dtch==0) {
1086
              header_len_dcch = header_len_dcch_tmp;
1087
            } else { //if (( header_len_dcch==0)&&((header_len_dtch==1)||(header_len_dtch==2)))
1088
              header_len_dtch = header_len_dtch_tmp;
1089
            }
1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100

            post_padding = TBS - sdu_length_total - header_len_dcch - header_len_dtch - ta_len ; // 1 is for the postpadding header
          }


          offset = generate_dlsch_header((unsigned char*)UE_list->DLSCH_pdu[CC_id][0][UE_id].payload[0],
                                         // offset = generate_dlsch_header((unsigned char*)eNB_mac_inst[0].DLSCH_pdu[0][0].payload[0],
                                         num_sdus,              //num_sdus
                                         sdu_lengths,  //
                                         sdu_lcids,
                                         255,                                   // no drx
1101
                                         ue_sched_ctl->ta_update, // timing advance
1102 1103 1104
                                         NULL,                                  // contention res id
                                         padding,
                                         post_padding);
1105

1106
          //#ifdef DEBUG_eNB_SCHEDULER
1107
          if (ue_sched_ctl->ta_update) {
1108
            LOG_I(MAC,
1109 1110
                  "[eNB %d][DLSCH] Frame %d Generate header for UE_id %d on CC_id %d: sdu_length_total %d, num_sdus %d, sdu_lengths[0] %d, sdu_lcids[0] %d => payload offset %d,timing advance value : %d, padding %d,post_padding %d,(mcs %d, TBS %d, nb_rb %d),header_dcch %d, header_dtch %d\n",
                  module_idP,frameP, UE_id, CC_id, sdu_length_total,num_sdus,sdu_lengths[0],sdu_lcids[0],offset,
1111
                  ue_sched_ctl->ta_update,padding,post_padding,mcs,TBS,nb_rb,header_len_dcch,header_len_dtch);
1112
	  }
1113
          //#endif
1114
#ifdef DEBUG_eNB_SCHEDULER
1115 1116
          LOG_T(MAC,"[eNB %d] First 16 bytes of DLSCH : \n");

1117
          for (i=0; i<16; i++) {
1118
            LOG_T(MAC,"%x.",dlsch_buffer[i]);
1119
          }
1120 1121

          LOG_T(MAC,"\n");
1122
#endif
1123 1124 1125 1126 1127
          // cycle through SDUs and place in dlsch_buffer
          memcpy(&UE_list->DLSCH_pdu[CC_id][0][UE_id].payload[0][offset],dlsch_buffer,sdu_length_total);
          // memcpy(&eNB_mac_inst[0].DLSCH_pdu[0][0].payload[0][offset],dcch_buffer,sdu_lengths[0]);

          // fill remainder of DLSCH with random data
1128
          for (j=0; j<(TBS-sdu_length_total-offset); j++) {
1129
            UE_list->DLSCH_pdu[CC_id][0][UE_id].payload[0][offset+sdu_length_total+j] = (char)(taus()&0xff);
1130
          }
1131 1132

          //eNB_mac_inst[0].DLSCH_pdu[0][0].payload[0][offset+sdu_lengths[0]+j] = (char)(taus()&0xff);
1133 1134 1135
          if (opt_enabled == 1) {
            trace_pdu(1, (uint8_t *)UE_list->DLSCH_pdu[CC_id][0][UE_id].payload[0],
                      TBS, module_idP, 3, UE_RNTI(module_idP,UE_id),
1136
                      eNB->frame, eNB->subframe,0,0);
1137 1138
            LOG_D(OPT,"[eNB %d][DLSCH] CC_id %d Frame %d  rnti %x  with size %d\n",
                  module_idP, CC_id, frameP, UE_RNTI(module_idP,UE_id), TBS);
1139 1140
          }

1141 1142 1143
          T(T_ENB_MAC_UE_DL_PDU_WITH_DATA, T_INT(module_idP), T_INT(CC_id), T_INT(rnti), T_INT(frameP), T_INT(subframeP),
            T_INT(harq_pid), T_BUFFER(UE_list->DLSCH_pdu[CC_id][0][UE_id].payload[0], TBS));

1144
	  UE_list->UE_template[CC_id][UE_id].nb_rb[harq_pid] = nb_rb;
1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168

          add_ue_dlsch_info(module_idP,
                            CC_id,
                            UE_id,
                            subframeP,
                            S_DL_SCHEDULED);
          // store stats
          eNB->eNB_stats[CC_id].dlsch_bytes_tx+=sdu_length_total;
          eNB->eNB_stats[CC_id].dlsch_pdus_tx+=1;

          UE_list->eNB_UE_stats[CC_id][UE_id].rbs_used = nb_rb;
          UE_list->eNB_UE_stats[CC_id][UE_id].total_rbs_used += nb_rb;
          UE_list->eNB_UE_stats[CC_id][UE_id].dlsch_mcs1=eNB_UE_stats->dlsch_mcs1;
          UE_list->eNB_UE_stats[CC_id][UE_id].dlsch_mcs2=mcs;
          UE_list->eNB_UE_stats[CC_id][UE_id].TBS = TBS;

          UE_list->eNB_UE_stats[CC_id][UE_id].overhead_bytes= TBS- sdu_length_total;
          UE_list->eNB_UE_stats[CC_id][UE_id].total_sdu_bytes+= sdu_length_total;
          UE_list->eNB_UE_stats[CC_id][UE_id].total_pdu_bytes+= TBS;
          UE_list->eNB_UE_stats[CC_id][UE_id].total_num_pdus+=1;

          if (frame_parms[CC_id]->frame_type == TDD) {
            UE_list->UE_template[CC_id][UE_id].DAI++;
            //  printf("DAI update: subframeP %d: UE %d, DAI %d\n",subframeP,UE_id,UE_list->UE_template[CC_id][UE_id].DAI);
1169
//#warning only for 5MHz channel
1170 1171 1172
            update_ul_dci(module_idP,CC_id,rnti,UE_list->UE_template[CC_id][UE_id].DAI);
          }

1173 1174 1175
	  // do PUCCH power control
          // this is the normalized RX power
	  eNB_UE_stats =  mac_xface->get_eNB_UE_stats(module_idP,CC_id,rnti);
1176
	  normalized_rx_power = eNB_UE_stats->Po_PUCCH_dBm; 
1177
	  target_rx_power = mac_xface->get_target_pucch_rx_power(module_idP,CC_id) + 20;
1178 1179 1180
	    
          // this assumes accumulated tpc
	  // make sure that we are only sending a tpc update once a frame, otherwise the control loop will freak out
1181 1182 1183 1184 1185 1186
	  int32_t framex10psubframe = UE_list->UE_template[CC_id][UE_id].pucch_tpc_tx_frame*10+UE_list->UE_template[CC_id][UE_id].pucch_tpc_tx_subframe;
          if (((framex10psubframe+10)<=(frameP*10+subframeP)) || //normal case
	      ((framex10psubframe>(frameP*10+subframeP)) && (((10240-framex10psubframe+frameP*10+subframeP)>=10)))) //frame wrap-around
	    if (eNB_UE_stats->Po_PUCCH_update == 1) { 
	      eNB_UE_stats->Po_PUCCH_update = 0;

1187 1188
	      UE_list->UE_template[CC_id][UE_id].pucch_tpc_tx_frame=frameP;
	      UE_list->UE_template[CC_id][UE_id].pucch_tpc_tx_subframe=subframeP;
1189
	      
1190 1191 1192 1193 1194 1195 1196 1197 1198
	      if (normalized_rx_power>(target_rx_power+1)) {
		tpc = 0; //-1
		tpc_accumulated--;
	      } else if (normalized_rx_power<(target_rx_power-1)) {
		tpc = 2; //+1
		tpc_accumulated++;
	      } else {
		tpc = 1; //0
	      }
1199 1200
	      /*	      
	      LOG_I(MAC,"[eNB %d] DLSCH scheduler: frame %d, subframe %d, harq_pid %d, tpc %d, accumulated %d, normalized/target rx power %d/%d\n",
1201
		    module_idP,frameP, subframeP,harq_pid,tpc,
1202 1203
		    tpc_accumulated,normalized_rx_power,target_rx_power);*/

1204
	    } // Po_PUCCH has been updated 
1205 1206
	    else {
	      tpc = 1; //0
1207
	    } // time to do TPC update 
1208 1209 1210 1211
	  else {
	    tpc = 1; //0
	  }

1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222
          switch (mac_xface->get_transmission_mode(module_idP,CC_id,rnti)) {
          case 1:
          case 2:
          default:
            if (frame_parms[CC_id]->frame_type == TDD) {
              switch (frame_parms[CC_id]->N_RB_DL) {
              case 6:
                ((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->mcs = mcs;
                ((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->ndi = 1-UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid];
                ((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->rv = 0;
1223
                ((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->TPC = tpc;
1224 1225 1226 1227 1228 1229 1230 1231
                ((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->dai      = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3;
                break;

              case 25:
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->mcs = mcs;
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->ndi = 1-UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid];
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->rv = 0;
1232
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->TPC = tpc;
1233 1234 1235 1236 1237 1238 1239 1240 1241
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->dai      = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3;
                LOG_D(MAC,"Format1 DCI: harq_pid %d, ndi %d\n",harq_pid,((DCI1_5MHz_TDD_t*)DLSCH_dci)->ndi);
                break;

              case 50:
                ((DCI1_10MHz_TDD_t*)DLSCH_dci)->mcs = mcs;
                ((DCI1_10MHz_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_10MHz_TDD_t*)DLSCH_dci)->ndi = 1-UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid];
                ((DCI1_10MHz_TDD_t*)DLSCH_dci)->rv = 0;
1242
                ((DCI1_10MHz_TDD_t*)DLSCH_dci)->TPC = tpc;
1243 1244 1245 1246 1247 1248 1249 1250
                ((DCI1_10MHz_TDD_t*)DLSCH_dci)->dai      = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3;
                break;

              case 100:
                ((DCI1_20MHz_TDD_t*)DLSCH_dci)->mcs = mcs;
                ((DCI1_20MHz_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_20MHz_TDD_t*)DLSCH_dci)->ndi = 1-UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid];
                ((DCI1_20MHz_TDD_t*)DLSCH_dci)->rv = 0;
1251
                ((DCI1_20MHz_TDD_t*)DLSCH_dci)->TPC = tpc;
1252 1253 1254 1255 1256 1257 1258 1259
                ((DCI1_20MHz_TDD_t*)DLSCH_dci)->dai      = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3;
                break;

              default:
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->mcs = mcs;
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->ndi = 1-UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid];
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->rv = 0;
1260
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->TPC = tpc;
1261 1262 1263 1264 1265 1266 1267 1268 1269 1270
                ((DCI1_5MHz_TDD_t*)DLSCH_dci)->dai      = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3;
                break;
              }
            } else {
              switch (frame_parms[CC_id]->N_RB_DL) {
              case 6:
                ((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->mcs = mcs;
                ((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->ndi = 1-UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid];
                ((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->rv = 0;
1271
                ((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->TPC = tpc;
1272 1273 1274 1275 1276 1277 1278
                break;

              case 25:
                ((DCI1_5MHz_FDD_t*)DLSCH_dci)->mcs = mcs;
                ((DCI1_5MHz_FDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_5MHz_FDD_t*)DLSCH_dci)->ndi = 1-UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid];
                ((DCI1_5MHz_FDD_t*)DLSCH_dci)->rv = 0;
1279
                ((DCI1_5MHz_FDD_t*)DLSCH_dci)->TPC = tpc;
1280 1281 1282 1283 1284 1285 1286
                break;

              case 50:
                ((DCI1_10MHz_FDD_t*)DLSCH_dci)->mcs = mcs;
                ((DCI1_10MHz_FDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_10MHz_FDD_t*)DLSCH_dci)->ndi = 1-UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid];
                ((DCI1_10MHz_FDD_t*)DLSCH_dci)->rv = 0;
1287
                ((DCI1_10MHz_FDD_t*)DLSCH_dci)->TPC = tpc;
1288 1289 1290 1291 1292 1293 1294
                break;

              case 100:
                ((DCI1_20MHz_FDD_t*)DLSCH_dci)->mcs = mcs;
                ((DCI1_20MHz_FDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_20MHz_FDD_t*)DLSCH_dci)->ndi = 1-UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid];
                ((DCI1_20MHz_FDD_t*)DLSCH_dci)->rv = 0;
1295
                ((DCI1_20MHz_FDD_t*)DLSCH_dci)->TPC = tpc;
1296 1297 1298 1299 1300 1301 1302
                break;

              default:
                ((DCI1_5MHz_FDD_t*)DLSCH_dci)->mcs = mcs;
                ((DCI1_5MHz_FDD_t*)DLSCH_dci)->harq_pid = harq_pid;
                ((DCI1_5MHz_FDD_t*)DLSCH_dci)->ndi = 1-UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid];
                ((DCI1_5MHz_FDD_t*)DLSCH_dci)->rv = 0;
1303
                ((DCI1_5MHz_FDD_t*)DLSCH_dci)->TPC = tpc;