eNB_scheduler_primitives.c 140 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
/*
 * 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
 */

nikaeinn's avatar
nikaeinn committed
22 23
/*! \file eNB_scheduler_primitives.c
 * \brief primitives used by eNB for BCH, RACH, ULSCH, DLSCH scheduling
24 25 26
 * \author  Navid Nikaein and Raymond Knopp
 * \date 2010 - 2014
 * \email: navid.nikaein@eurecom.fr
nikaeinn's avatar
nikaeinn committed
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 54 55 56 57 58
 * @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/extern.h"

#include "LAYER2/MAC/proto.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"

#if defined(ENABLE_ITTI)
# include "intertask_interface.h"
#endif

Cedric Roux's avatar
Cedric Roux committed
59 60
#include "T.h"

61 62 63
#define ENABLE_MAC_PAYLOAD_DEBUG
#define DEBUG_eNB_SCHEDULER 1

Cedric Roux's avatar
Cedric Roux committed
64 65
int choose(int n,int k)
{
66 67 68 69 70 71 72 73 74 75 76 77 78 79
  int res  = 1;
  int res2 = 1;
  int i;

  if (k>n) return(0);
  if (n==k) return(1);

  for (i=n;i>k;i--) res*=i;
  for (i=2;i<=(n-k);i++) res2*=i;

  return(res/res2);
}

// Patented algorithm from Yang et al, US Patent 2009, "Channel Quality Indexing and Reverse Indexing"
Cedric Roux's avatar
Cedric Roux committed
80 81
void reverse_index(int N,int M,int r,int *v)
{
82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106
  int BaseValue=0;
  int IncreaseValue,ThresholdValue;
  int sumV;
  int i;

  r = choose(N,M) - 1 - r;
  memset((void*)v,0,M*sizeof(int));

  sumV=0;
  i=M;
  while (i>0 && r>0) {
    IncreaseValue = choose(N-M+1-sumV-v[i-1]+i-2,i-1);
    ThresholdValue = BaseValue+IncreaseValue;
    if (r>=ThresholdValue) {
      v[i-1]++;
      BaseValue=ThresholdValue;
    }
    else {
      r=r-BaseValue;
      sumV+=v[i-1];
      i--;
      BaseValue=0;
    }
  }
}
Cedric Roux's avatar
Cedric Roux committed
107 108 109

int to_prb(int dl_Bandwidth)
{
knopp's avatar
knopp committed
110
  int prbmap[6] = {6,15,25,50,75,100};
111

knopp's avatar
knopp committed
112 113 114 115
  AssertFatal(dl_Bandwidth < 6,"dl_Bandwidth is 0..5\n");
  return(prbmap[dl_Bandwidth]);
}

Cedric Roux's avatar
Cedric Roux committed
116 117
int to_rbg(int dl_Bandwidth)
{
knopp's avatar
knopp committed
118 119 120 121 122
  int rbgmap[6] = {6,8,13,17,19,25};

  AssertFatal(dl_Bandwidth < 6,"dl_Bandwidth is 0..5\n");
  return(rbgmap[dl_Bandwidth]);
}
123

Cedric Roux's avatar
Cedric Roux committed
124 125
int get_phich_resource_times6(COMMON_channels_t *cc)
{
126 127 128
  int phichmap[4] = {1,3,6,12};
  AssertFatal(cc!=NULL,"cc is null\n");
  AssertFatal(cc->mib!=NULL,"cc->mib is null\n");
Cedric Roux's avatar
Cedric Roux committed
129 130 131
  AssertFatal((cc->mib->message.phich_Config.phich_Resource>=0) &&
              (cc->mib->message.phich_Config.phich_Resource<4),
              "phich_Resource %d not in 0..3\n",(int)cc->mib->message.phich_Config.phich_Resource);
132 133 134 135

  return(phichmap[cc->mib->message.phich_Config.phich_Resource]);
}

Cedric Roux's avatar
Cedric Roux committed
136 137
uint16_t mac_computeRIV(uint16_t N_RB_DL,uint16_t RBstart,uint16_t Lcrbs)
{
138 139 140 141 142 143 144 145 146 147
  uint16_t RIV;

  if (Lcrbs<=(1+(N_RB_DL>>1)))
    RIV = (N_RB_DL*(Lcrbs-1)) + RBstart;
  else
    RIV = (N_RB_DL*(N_RB_DL+1-Lcrbs)) + (N_RB_DL-1-RBstart);

  return(RIV);
}

Cedric Roux's avatar
Cedric Roux committed
148 149
uint8_t getQm(uint8_t mcs)
{
150 151 152 153 154
  if (mcs<10) return(2);
  else if (mcs<17) return(4);
  else return (6);
}

155
void get_Msg3alloc(COMMON_channels_t *cc,
156

Cedric Roux's avatar
Cedric Roux committed
157 158 159 160
                   sub_frame_t current_subframe,
                   frame_t current_frame,
                   frame_t *frame,
                   sub_frame_t *subframe)
161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222
{
  // Fill in other TDD Configuration!!!!

  if (cc->tdd_Config==NULL) { // FDD
    *subframe = current_subframe+6;

    if (*subframe>9) {
      *subframe = *subframe-10;
      *frame = (current_frame+1) & 1023;
    } else {
      *frame=current_frame;
    }
  } else { // TDD
    if (cc->tdd_Config->subframeAssignment == 1) {
      switch (current_subframe) {

      case 0:
        *subframe = 7;
        *frame = current_frame;
        break;

      case 4:
        *subframe = 2;
        *frame = (current_frame+1) & 1023;
        break;

      case 5:
        *subframe = 2;
        *frame = (current_frame+1) & 1023;
        break;

      case 9:
        *subframe = 7;
        *frame = (current_frame+1) & 1023;
        break;
      }
    } else if (cc->tdd_Config->subframeAssignment == 3) {
      switch (current_subframe) {

      case 0:
      case 5:
      case 6:
        *subframe = 2;
        *frame = (current_frame+1) & 1023;
        break;

      case 7:
        *subframe = 3;
        *frame = (current_frame+1) & 1023;
        break;

      case 8:
        *subframe = 4;
        *frame = (current_frame+1) & 1023;
        break;

      case 9:
        *subframe = 2;
        *frame = (current_frame+2) & 1023;
        break;
      }
    } else if (cc->tdd_Config->subframeAssignment == 4) {
Cedric Roux's avatar
Cedric Roux committed
223
      switch (current_subframe) {
224

Cedric Roux's avatar
Cedric Roux committed
225 226 227 228 229 230 231
      case 0:
      case 4:
      case 5:
      case 6:
        *subframe = 2;
        *frame = (current_frame+1) & 1023;
        break;
232

Cedric Roux's avatar
Cedric Roux committed
233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262
      case 7:
        *subframe = 3;
        *frame = (current_frame+1) & 1023;
        break;

      case 8:
      case 9:
        *subframe = 2;
        *frame = (current_frame+2) & 1023;
        break;
      }
    } else if (cc->tdd_Config->subframeAssignment == 5) {
      switch (current_subframe) {

      case 0:
      case 4:
      case 5:
      case 6:
        *subframe = 2;
        *frame = (current_frame+1) & 1023;
        break;

      case 7:
      case 8:
      case 9:
        *subframe = 2;
        *frame = (current_frame+2) & 1023;
        break;
      }
    }
263 264 265
  }
}

266 267


268
void get_Msg3allocret(COMMON_channels_t *cc,
Cedric Roux's avatar
Cedric Roux committed
269 270 271 272
                      sub_frame_t current_subframe,
                      frame_t current_frame,
                      frame_t *frame,
                      sub_frame_t *subframe)
273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306
{
  if (cc->tdd_Config == NULL) { //FDD
    /* always retransmit in n+8 */
    *subframe = current_subframe + 8;

    if (*subframe > 9) {
      *subframe = *subframe - 10;
      *frame = (current_frame + 1) & 1023;
    } else {
      *frame = current_frame;
    }
  } else {
    if (cc->tdd_Config->subframeAssignment == 1) {
      // original PUSCH in 2, PHICH in 6 (S), ret in 2
      // original PUSCH in 3, PHICH in 9, ret in 3
      // original PUSCH in 7, PHICH in 1 (S), ret in 7
      // original PUSCH in 8, PHICH in 4, ret in 8
      *frame = (current_frame+1) & 1023;
    } else if (cc->tdd_Config->subframeAssignment == 3) {
      // original PUSCH in 2, PHICH in 8, ret in 2 next frame
      // original PUSCH in 3, PHICH in 9, ret in 3 next frame
      // original PUSCH in 4, PHICH in 0, ret in 4 next frame
      *frame=(current_frame+1) & 1023;
    } else if (cc->tdd_Config->subframeAssignment == 4) {
        // original PUSCH in 2, PHICH in 8, ret in 2 next frame
        // original PUSCH in 3, PHICH in 9, ret in 3 next frame
        *frame=(current_frame+1) & 1023;
    } else if (cc->tdd_Config->subframeAssignment == 5) {
        // original PUSCH in 2, PHICH in 8, ret in 2 next frame
        *frame=(current_frame+1) & 1023;
    }
  }
}

307
uint8_t subframe2harqpid(COMMON_channels_t *cc,frame_t frame,sub_frame_t subframe)
308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333
{
  uint8_t ret = 255;

  AssertFatal(cc!=NULL,"cc is null\n");

  if (cc->tdd_Config == NULL) { // FDD
    ret = (((frame<<1)+subframe)&7);
  } else {
    switch (cc->tdd_Config->subframeAssignment) {
    case 1:
      if ((subframe==2) ||
          (subframe==3) ||
          (subframe==7) ||
          (subframe==8))
        switch (subframe) {
        case 2:
        case 3:
          ret = (subframe-2);
          break;

        case 7:
        case 8:
          ret = (subframe-5);
          break;

        default:
Cedric Roux's avatar
Cedric Roux committed
334
          AssertFatal(1==0,"subframe2_harq_pid, Illegal subframe %d for TDD mode %d\n",subframe,(int)cc->tdd_Config->subframeAssignment);
335 336 337 338 339 340 341
          break;
        }

      break;

    case 2:
      AssertFatal((subframe==2) || (subframe==7),
Cedric Roux's avatar
Cedric Roux committed
342 343
                  "subframe2_harq_pid, Illegal subframe %d for TDD mode %d\n",subframe,(int)cc->tdd_Config->subframeAssignment);

344 345 346 347
      ret = (subframe/7);
      break;

    case 3:
Cedric Roux's avatar
Cedric Roux committed
348 349
      AssertFatal((subframe>1) && (subframe<5),
                  "subframe2_harq_pid, Illegal subframe %d for TDD mode %d\n",subframe,(int)cc->tdd_Config->subframeAssignment);
350 351 352 353 354
      ret = (subframe-2);
      break;

    case 4:
      AssertFatal((subframe>1) && (subframe<4),
Cedric Roux's avatar
Cedric Roux committed
355
                  "subframe2_harq_pid, Illegal subframe %d for TDD mode %d\n",subframe,(int)cc->tdd_Config->subframeAssignment);
356 357 358 359 360
      ret = (subframe-2);
      break;

    case 5:
      AssertFatal(subframe==2,
Cedric Roux's avatar
Cedric Roux committed
361
                  "subframe2_harq_pid, Illegal subframe %d for TDD mode %d\n",subframe,(int)cc->tdd_Config->subframeAssignment);
362 363 364 365 366 367 368 369 370 371 372
      ret = (subframe-2);
      break;

    default:
      AssertFatal(1==0,"subframe2_harq_pid, Unsupported TDD mode %d\n",(int)cc->tdd_Config->subframeAssignment);
    }
  }
  return ret;
}

uint8_t get_Msg3harqpid(COMMON_channels_t *cc,
Cedric Roux's avatar
Cedric Roux committed
373 374
                        frame_t frame,
                        sub_frame_t current_subframe)
375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453
{
  uint8_t ul_subframe=0;
  uint32_t ul_frame=0;

  if (cc->tdd_Config == NULL) { // FDD
    ul_subframe = (current_subframe>3) ? (current_subframe-4) : (current_subframe+6);
    ul_frame    = (current_subframe>3) ? ((frame+1)&1023) : frame;
  } else {
    switch (cc->tdd_Config->subframeAssignment) {
    case 1:
      switch (current_subframe) {
      case 9:
      case 0:
        ul_subframe = 7;
        break;

      case 5:
      case 7:
        ul_subframe = 2;
        break;

      }

      break;

    case 3:
      switch (current_subframe) {
      case 0:
      case 5:
      case 6:
        ul_subframe = 2;
        break;

      case 7:
        ul_subframe = 3;
        break;

      case 8:
        ul_subframe = 4;
        break;

      case 9:
        ul_subframe = 2;
        break;
      }

      break;

    case 4:
      switch (current_subframe) {
      case 0:
      case 5:
      case 6:
      case 8:
      case 9:
        ul_subframe = 2;
        break;

      case 7:
        ul_subframe = 3;
        break;
      }

      break;

    case 5:
      ul_subframe =2;
      break;

    default:
      LOG_E(PHY,"get_Msg3_harq_pid: Unsupported TDD configuration %d\n",(int)cc->tdd_Config->subframeAssignment);
      AssertFatal(1==0,"get_Msg3_harq_pid: Unsupported TDD configuration");
      break;
    }
  }

  return(subframe2harqpid(cc,ul_frame,ul_subframe));
}

454 455 456 457 458 459 460 461 462
uint32_t pdcchalloc2ulframe(COMMON_channels_t *ccP,uint32_t frame, uint8_t n)
{
  uint32_t ul_frame;

  if ((ccP->tdd_Config) &&
      (ccP->tdd_Config->subframeAssignment == 1) &&
      ((n==1)||(n==6))) // tdd_config 0,1 SF 1,5
    ul_frame = (frame + (n==1 ? 0 : 1));
  else if ((ccP->tdd_Config) &&
Cedric Roux's avatar
Cedric Roux committed
463 464
           (ccP->tdd_Config->subframeAssignment == 6) &&
           ((n==0)||(n==1)||(n==5)||(n==6)))
465 466
    ul_frame = (frame + (n>=5 ? 1 : 0));
  else if ((ccP->tdd_Config) &&
Cedric Roux's avatar
Cedric Roux committed
467
           (ccP->tdd_Config->subframeAssignment == 6) &&
468 469 470 471 472 473 474 475 476
           (n==9)) // tdd_config 6 SF 9
    ul_frame = (frame+1);
  else
    ul_frame = (frame+(n>=6 ? 1 : 0));

  LOG_D(PHY, "frame %d subframe %d: PUSCH frame = %d\n", frame, n, ul_frame);
  return ul_frame;
}

Cedric Roux's avatar
Cedric Roux committed
477 478
uint8_t pdcchalloc2ulsubframe(COMMON_channels_t *ccP,uint8_t n)
{
479 480 481 482 483 484 485
  uint8_t ul_subframe;

  if ((ccP->tdd_Config) &&
      (ccP->tdd_Config->subframeAssignment == 1) &&
      ((n==1)||(n==6))) // tdd_config 0,1 SF 1,5
    ul_subframe = ((n+6)%10);
  else if ((ccP->tdd_Config) &&
Cedric Roux's avatar
Cedric Roux committed
486
           (ccP->tdd_Config->subframeAssignment == 6) &&
487 488 489
           ((n==0)||(n==1)||(n==5)||(n==6)))
    ul_subframe = ((n+7)%10);
  else if ((ccP->tdd_Config) &&
Cedric Roux's avatar
Cedric Roux committed
490
           (ccP->tdd_Config->subframeAssignment == 6) &&
491 492 493 494 495 496 497 498 499
           (n==9)) // tdd_config 6 SF 9
    ul_subframe = ((n+5)%10);
  else
    ul_subframe = ((n+4)%10);

  LOG_D(PHY, "subframe %d: PUSCH subframe = %d\n", n, ul_subframe);
  return ul_subframe;
}

500
int is_UL_sf(COMMON_channels_t *ccP,sub_frame_t subframeP)
501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543
{
  // if FDD return dummy value
  if (ccP->tdd_Config == NULL)
    return(0);

  switch (ccP->tdd_Config->subframeAssignment) {
  case 1:
    switch (subframeP) {
    case 0:
    case 4:
    case 5:
    case 9:
      return(0);
      break;

    case 2:
    case 3:
    case 7:
    case 8:
      return(1);
      break;

    default:
      return(0);
      break;
    }
    break;

  case 3:
    if  ((subframeP<=1) || (subframeP>=5))
      return(0);
    else if ((subframeP>1) && (subframeP < 5))
      return(1);
    else AssertFatal(1==0,"Unknown subframe number\n");
    break;

  case 4:
    if  ((subframeP<=1) || (subframeP>=4))
      return(0);
    else if ((subframeP>1) && (subframeP < 4))
      return(1);
    else AssertFatal(1==0,"Unknown subframe number\n");
    break;
Cedric Roux's avatar
Cedric Roux committed
544

545 546 547 548 549 550 551 552 553 554
  case 5:
    if  ((subframeP<=1) || (subframeP>=3))
      return(0);
    else if ((subframeP>1) && (subframeP < 3))
      return(1);
    else AssertFatal(1==0,"Unknown subframe number\n");
    break;

  default:
    AssertFatal(1==0,"subframe %d Unsupported TDD configuration %d\n",
Cedric Roux's avatar
Cedric Roux committed
555
                subframeP,(int)ccP->tdd_Config->subframeAssignment);
556 557 558 559
    break;
  }
}

Cedric Roux's avatar
Cedric Roux committed
560 561
uint16_t get_pucch1_absSF(COMMON_channels_t *cc,uint16_t dlsch_absSF)
{
562
  uint16_t sf,f,nextf;
Cedric Roux's avatar
Cedric Roux committed
563

564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588
  if (cc->tdd_Config==NULL) { //FDD n+4
    return((dlsch_absSF + 4)%10240);
  }
  else {
    sf    = dlsch_absSF%10;
    f     = dlsch_absSF/10;
    nextf = (f+1)&1023;

    switch (cc->tdd_Config->subframeAssignment) {
    case 0:
      AssertFatal(1==0,"SFA 0 to be filled in now, :-)\n");
      break;
    case 1:
      if      ((sf==5) || (sf==6)) return((10*nextf) + 2);                                        // ACK/NAK in SF 2 next frame
      else if (sf==9)              return((10*nextf) + 3);                                        // ACK/NAK in SF 3 next frame
      else if ((sf==0) || (sf==1)) return((10*f) + 2);                                            // ACK/NAK in SF 7 same frame
      else AssertFatal(1==0,"Impossible dlsch subframe %d for TDD configuration 3\n",sf);
      break;
    case 2:
      if      ((sf==4) || (sf==5) || (sf==6) || (sf==8)) return((10*nextf) + 2);                  // ACK/NAK in SF 2 next frame
      else if (sf==9)                                    return((10*nextf) + 7);                  // ACK/NAK in SF 7 next frame
      else if ((sf==0) || (sf==1) || (sf==3))            return((10*f) + 7);                      // ACK/NAK in SF 7 same frame
      else AssertFatal(1==0,"Impossible dlsch subframe %d for TDD configuration 3\n",sf);
      break;
    case 3:
Cedric Roux's avatar
Cedric Roux committed
589 590 591
      if      ((sf==5) || (sf==6) || (sf==7) || (sf==8) || (sf==9)) return((10*nextf) + (sf>>1)); // ACK/NAK in 2,3,4 resp. next frame
      else if (sf==1)                                               return((10*nextf) + 2);       // ACK/NAK in 2 next frame
      else if (sf==0)                                               return((10*f) + 4);           // ACK/NAK in 4 same frame
592 593 594 595 596 597 598 599 600
      else AssertFatal(1==0,"Impossible dlsch subframe %d for TDD configuration 3\n",sf);
      break;
    case 4:
      if      ((sf==6) || (sf==7) || (sf==8) || (sf==9)) return(((10*nextf) + 3)%10240);          // ACK/NAK in SF 3 next frame
      else if ((sf==0) || (sf==1) || (sf==4) || (sf==5)) return(((10*nextf) + 2)%10240);          // ACK/NAK in SF 2 next frame
      else AssertFatal(1==0,"Impossible dlsch subframe %d for TDD configuration 4\n",sf);
      break;
    case 5:
      if      ((sf==0) || (sf==1) || (sf==3) || (sf==4) || (sf==5) || (sf==6) || (sf==7) || (sf==8)) return(((10*nextf) + 2)%10240);     // ACK/NAK in SF 3 next frame
Cedric Roux's avatar
Cedric Roux committed
601 602
      else if (sf==9)                                                                                return(((10*(1+nextf)) + 2)%10240); // ACK/NAK in SF 2 next frame
      else AssertFatal(1==0,"Impossible dlsch subframe %d for TDD configuration 5\n",sf);
603 604 605 606 607 608 609 610 611 612 613 614
      break;
    case 6:
      AssertFatal(1==0,"SFA 6 To be filled in now, :-)\n");
      break;
    default:
      AssertFatal(1==0,"Illegal TDD subframe Assigment %d\n",(int)cc->tdd_Config->subframeAssignment);
      break;
    }
  }
  AssertFatal(1==0,"Shouldn't get here\n");
}

Cedric Roux's avatar
Cedric Roux committed
615 616
void get_srs_pos(COMMON_channels_t *cc,uint16_t isrs,uint16_t *psrsPeriodicity,uint16_t *psrsOffset)
{
617 618
  if(cc->tdd_Config) { // TDD
    AssertFatal(isrs>=10,"2 ms SRS periodicity not supported");
Cedric Roux's avatar
Cedric Roux committed
619

620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647
    if ((isrs>9)&&(isrs<15)) {
      *psrsPeriodicity=5;
      *psrsOffset=isrs-10;
    }
    if ((isrs>14)&&(isrs<25)) {
      *psrsPeriodicity=10;
      *psrsOffset=isrs-15;
    }
    if ((isrs>24)&&(isrs<45)) {
      *psrsPeriodicity=20;
      *psrsOffset=isrs-25;
    }
    if ((isrs>44)&&(isrs<85)) {
      *psrsPeriodicity=40;
      *psrsOffset=isrs-45;
    }
    if ((isrs>84)&&(isrs<165)) {
      *psrsPeriodicity=80;
      *psrsOffset=isrs-85;
    }
    if ((isrs>164)&&(isrs<325)) {
      *psrsPeriodicity=160;
      *psrsOffset=isrs-165;
    }
    if ((isrs>324)&&(isrs<645)) {
      *psrsPeriodicity=320;
      *psrsOffset=isrs-325;
    }
Cedric Roux's avatar
Cedric Roux committed
648

649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687
    AssertFatal(isrs<=644,"Isrs out of range %d>644\n",isrs);
  } // TDD
  else { // FDD
    if (isrs<2) {
      *psrsPeriodicity=2;
      *psrsOffset=isrs;
    }
    if ((isrs>1)&&(isrs<7)) {
      *psrsPeriodicity=5;
      *psrsOffset=isrs-2;
    }
    if ((isrs>6)&&(isrs<17)) {
      *psrsPeriodicity=10;
      *psrsOffset=isrs-7;
    }
    if ((isrs>16)&&(isrs<37)) {
      *psrsPeriodicity=20;
      *psrsOffset=isrs-17;
    }
    if ((isrs>36)&&(isrs<77)) {
      *psrsPeriodicity=40;
      *psrsOffset=isrs-37;
    }
    if ((isrs>76)&&(isrs<157)) {
      *psrsPeriodicity=80;
      *psrsOffset=isrs-77;
    }
    if ((isrs>156)&&(isrs<317)) {
      *psrsPeriodicity=160;
      *psrsOffset=isrs-157;
    }
    if ((isrs>316)&&(isrs<637)) {
      *psrsPeriodicity=320;
      *psrsOffset=isrs-317;
    }
    AssertFatal(isrs<=636,"Isrs out of range %d>636\n",isrs);
  }
}

Cedric Roux's avatar
Cedric Roux committed
688 689
void get_csi_params(COMMON_channels_t *cc,struct CQI_ReportPeriodic *cqi_ReportPeriodic,uint16_t *Npd,uint16_t *N_OFFSET_CQI,int *H)
{
690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718
  uint16_t cqi_PMI_ConfigIndex = cqi_ReportPeriodic->choice.setup.cqi_pmi_ConfigIndex;
  uint8_t Jtab[6] = {0,2,2,3,4,4};

  AssertFatal(cqi_ReportPeriodic!=NULL,"cqi_ReportPeriodic is null!\n");

  if (cc->tdd_Config==NULL) { //FDD
    if (cqi_PMI_ConfigIndex <= 1) {        // 2 ms CQI_PMI period
      *Npd = 2;
      *N_OFFSET_CQI = cqi_PMI_ConfigIndex;
    } else if (cqi_PMI_ConfigIndex <= 6) { // 5 ms CQI_PMI period
      *Npd = 5;
      *N_OFFSET_CQI = cqi_PMI_ConfigIndex-2;
    } else if (cqi_PMI_ConfigIndex <=16) { // 10ms CQI_PMI period
      *Npd = 10;
      *N_OFFSET_CQI = cqi_PMI_ConfigIndex-7;
    } else if (cqi_PMI_ConfigIndex <= 36) { // 20 ms CQI_PMI period
      *Npd = 20;
      *N_OFFSET_CQI = cqi_PMI_ConfigIndex-17;
    } else if (cqi_PMI_ConfigIndex <= 76) { // 40 ms CQI_PMI period
      *Npd = 40;
      *N_OFFSET_CQI = cqi_PMI_ConfigIndex-37;
    } else if (cqi_PMI_ConfigIndex <= 156) { // 80 ms CQI_PMI period
      *Npd = 80;
      *N_OFFSET_CQI = cqi_PMI_ConfigIndex-77;
    } else if (cqi_PMI_ConfigIndex <= 316) { // 160 ms CQI_PMI period
      *Npd = 160;
      *N_OFFSET_CQI = cqi_PMI_ConfigIndex-157;
    }
    else if (cqi_PMI_ConfigIndex > 317) {
Cedric Roux's avatar
Cedric Roux committed
719

720
      if (cqi_PMI_ConfigIndex <= 349) { // 32 ms CQI_PMI period
Cedric Roux's avatar
Cedric Roux committed
721
        *Npd = 32;
722 723 724
      *N_OFFSET_CQI = cqi_PMI_ConfigIndex-318;
      }
      else if (cqi_PMI_ConfigIndex <= 413) { // 64 ms CQI_PMI period
Cedric Roux's avatar
Cedric Roux committed
725 726
        *Npd = 64;
        *N_OFFSET_CQI = cqi_PMI_ConfigIndex-350;
727 728
      }
      else if (cqi_PMI_ConfigIndex <= 541) { // 128 ms CQI_PMI period
Cedric Roux's avatar
Cedric Roux committed
729 730 731
        *Npd = 128;
        *N_OFFSET_CQI = cqi_PMI_ConfigIndex-414;
      }
732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765
    }
  }
  else { // TDD
   if (cqi_PMI_ConfigIndex == 0) {        // all UL subframes
     *Npd = 1;
     *N_OFFSET_CQI = 0;
   } else if (cqi_PMI_ConfigIndex <= 6) { // 5 ms CQI_PMI period
     *Npd = 5;
     *N_OFFSET_CQI = cqi_PMI_ConfigIndex-1;
   } else if (cqi_PMI_ConfigIndex <=16) { // 10ms CQI_PMI period
     *Npd = 10;
     *N_OFFSET_CQI = cqi_PMI_ConfigIndex-6;
   } else if (cqi_PMI_ConfigIndex <= 36) { // 20 ms CQI_PMI period
     *Npd = 20;
     *N_OFFSET_CQI = cqi_PMI_ConfigIndex-16;
   } else if (cqi_PMI_ConfigIndex <= 76) { // 40 ms CQI_PMI period
     *Npd = 40;
     *N_OFFSET_CQI = cqi_PMI_ConfigIndex-36;
   } else if (cqi_PMI_ConfigIndex <= 156) { // 80 ms CQI_PMI period
     *Npd = 80;
     *N_OFFSET_CQI = cqi_PMI_ConfigIndex-76;
   } else if (cqi_PMI_ConfigIndex <= 316) { // 160 ms CQI_PMI period
     *Npd = 160;
     *N_OFFSET_CQI = cqi_PMI_ConfigIndex-156;
   }
  }

  // get H
  if (cqi_ReportPeriodic->choice.setup.cqi_FormatIndicatorPeriodic.present == CQI_ReportPeriodic__setup__cqi_FormatIndicatorPeriodic_PR_subbandCQI)
    *H = 1+(Jtab[cc->mib->message.dl_Bandwidth]*cqi_ReportPeriodic->choice.setup.cqi_FormatIndicatorPeriodic.choice.subbandCQI.k);
  else
    *H=1;
}

Cedric Roux's avatar
Cedric Roux committed
766 767
uint8_t get_dl_cqi_pmi_size_pusch(COMMON_channels_t *cc,uint8_t tmode,uint8_t ri, CQI_ReportModeAperiodic_t *cqi_ReportModeAperiodic)
{
768
  int Ntab[6]       = {0,4,7,9,10,13};
769
  int N             = Ntab[cc->mib->message.dl_Bandwidth];
770
  int Ltab_uesel[6] = {0,6,9,13,15,18};
771
  int L             = Ltab_uesel[cc->mib->message.dl_Bandwidth];
772 773 774 775 776 777 778 779 780 781

  AssertFatal(cqi_ReportModeAperiodic != NULL,"cqi_ReportPeriodic is null!\n");

  switch (*cqi_ReportModeAperiodic) {
  case CQI_ReportModeAperiodic_rm12:
    AssertFatal(tmode==4 || tmode==6 || tmode==8 || tmode==9 || tmode==10,"Illegal TM (%d) for CQI_ReportModeAperiodic_rm12\n",tmode);
    AssertFatal(cc->p_eNB<=4,"only up to 4 antenna ports supported here\n");
    if (ri==1 && cc->p_eNB==2) return(4+(N<<1));
    else if (ri==2 && cc->p_eNB==2) return(8+N);
    else if (ri==1 && cc->p_eNB==4) return(4+(N<<2));
Cedric Roux's avatar
Cedric Roux committed
782
    else if (ri>1  && cc->p_eNB==4) return(8+(N<<2));
783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829
    break;
  case CQI_ReportModeAperiodic_rm20:
    // Table 5.2.2.6.3-1 (36.212)
    AssertFatal(tmode==1 || tmode==2 || tmode==3 || tmode==7 || tmode==9 || tmode==10,"Illegal TM (%d) for CQI_ReportModeAperiodic_rm20\n",tmode);
    AssertFatal(tmode!=9 && tmode!=10,"TM9/10 will be handled later for CQI_ReportModeAperiodic_rm20\n");
    return(4+2+L);
    break;
  case CQI_ReportModeAperiodic_rm22:
    // Table 5.2.2.6.3-2 (36.212)
    AssertFatal(tmode==4 || tmode==6 || tmode==8 || tmode==9 || tmode==10,"Illegal TM (%d) for CQI_ReportModeAperiodic_rm22\n",tmode);
    AssertFatal(tmode!=9 && tmode!=10,"TM9/10 will be handled later for CQI_ReportModeAperiodic_rm22\n");
    if (ri==1 && cc->p_eNB==2) return(4+2+0+0+L+4);
    if (ri==2 && cc->p_eNB==2) return(4+2+4+2+L+2);
    if (ri==1 && cc->p_eNB==4) return(4+2+0+0+L+8);
    if (ri>=2 && cc->p_eNB==4) return(4+2+4+2+L+8);
    break;
  case CQI_ReportModeAperiodic_rm30:
    // Table 5.2.2.6.2-1 (36.212)
    AssertFatal(tmode==1 || tmode==2 || tmode==3 || tmode==7 || tmode==8 || tmode==9 || tmode==10,"Illegal TM (%d) for CQI_ReportModeAperiodic_rm30\n",tmode);
    AssertFatal(tmode!=8 && tmode!=9 && tmode!=10,"TM8/9/10 will be handled later for CQI_ReportModeAperiodic_rm30\n");
    return(4+(N<<1));
    break;
  case CQI_ReportModeAperiodic_rm31:
    // Table 5.2.2.6.2-2 (36.212)
    AssertFatal(tmode==4 || tmode==6 || tmode==8 || tmode==9 || tmode==10,"Illegal TM (%d) for CQI_ReportModeAperiodic_rm31\n",tmode);
    AssertFatal(tmode!=8 && tmode!=9 && tmode!=10,"TM8/9/10 will be handled later for CQI_ReportModeAperiodic_rm31\n");
    if (ri==1 && cc->p_eNB==2) return(4+(N<<1)+0+0+2);
    else if (ri==2 && cc->p_eNB==2) return(4+(N<<1)+4+(N<<1)+1);
    else if (ri==1 && cc->p_eNB==4) return(4+(N<<1)+0+0+4);
    else if (ri>=2 && cc->p_eNB==4) return(4+(N<<1)+4+(N<<1)+4);
    break;
  case CQI_ReportModeAperiodic_rm32_v1250:
    AssertFatal(tmode==4 || tmode==6 || tmode==8 || tmode==9 || tmode==10,"Illegal TM (%d) for CQI_ReportModeAperiodic_rm32\n",tmode);
    AssertFatal(1==0,"CQI_ReportModeAperiodic_rm32_v1250 not supported yet\n");
    break;
  case CQI_ReportModeAperiodic_rm10_v1310:
    // Table 5.2.2.6.1-1F/G (36.212)
    if (ri==1) return(4); // F
    else return(7); // G
    break;
  case CQI_ReportModeAperiodic_rm11_v1310:
    // Table 5.2.2.6.1-1H (36.212)
    AssertFatal(tmode==4 || tmode==6 || tmode==8 || tmode==9 || tmode==10,"Illegal TM (%d) for CQI_ReportModeAperiodic_rm11\n",tmode);
    AssertFatal(cc->p_eNB<=4,"only up to 4 antenna ports supported here\n");
    if (ri==1 && cc->p_eNB==2) return(4+0+2);
    else if (ri==2 && cc->p_eNB==2) return(4+4+1);
    else if (ri==1 && cc->p_eNB==4) return(4+0+4);
Cedric Roux's avatar
Cedric Roux committed
830
    else if (ri>1  && cc->p_eNB==4) return(4+4+4);
831 832 833

    break;
  }
knopp's avatar
knopp committed
834 835
  AssertFatal(1==0,"Shouldn't get here\n");
  return(0);
836 837
}

Cedric Roux's avatar
Cedric Roux committed
838 839
uint8_t get_rel8_dl_cqi_pmi_size(UE_sched_ctrl *sched_ctl,int CC_idP,COMMON_channels_t *cc,uint8_t tmode, struct CQI_ReportPeriodic *cqi_ReportPeriodic)
{
840 841 842 843 844 845 846 847
  int no_pmi=0;
  //    Ltab[6] = {0,log2(15/4/2),log2(25/4/2),log2(50/6/3),log2(75/8/4),log2(100/8/4)};

  uint8_t Ltab[6] = {0,1,2,2,2,2};
  uint8_t ri = sched_ctl->periodic_ri_received[CC_idP];

  AssertFatal(cqi_ReportPeriodic != NULL,"cqi_ReportPeriodic is null!\n");
  AssertFatal(cqi_ReportPeriodic->present != CQI_ReportPeriodic_PR_NOTHING,
Cedric Roux's avatar
Cedric Roux committed
848
              "cqi_ReportPeriodic->present == CQI_ReportPeriodic_PR_NOTHING!\n");
849
  AssertFatal(cqi_ReportPeriodic->choice.setup.cqi_FormatIndicatorPeriodic.present != CQI_ReportPeriodic__setup__cqi_FormatIndicatorPeriodic_PR_NOTHING,
Cedric Roux's avatar
Cedric Roux committed
850
              "cqi_ReportPeriodic->cqi_FormatIndicatorPeriodic.choice.setup.present == CQI_ReportPeriodic__setup__cqi_FormatIndicatorPeriodic_PR_NOTHING!\n");
851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876

  switch(tmode) {
  case 1:
  case 2:
  case 5:
  case 6:
  case 7:
    no_pmi=1;
    break;
  default:
    no_pmi=0;
  }

  if ((cqi_ReportPeriodic->choice.setup.cqi_FormatIndicatorPeriodic.present == CQI_ReportPeriodic__setup__cqi_FormatIndicatorPeriodic_PR_widebandCQI) ||
      (sched_ctl->feedback_cnt[CC_idP] == 0)) {
    // send wideband report every opportunity if wideband reporting mode is selected, else every H opportunities
    if (no_pmi == 1)
      return(4);
    else if ((cc->p_eNB==2) && (ri==1)) return(6);
    else if ((cc->p_eNB==2) && (ri==2)) return(8);
    else if ((cc->p_eNB==4) && (ri==1)) return(8);
    else if ((cc->p_eNB==4) && (ri==2)) return(11);
    else AssertFatal(1==0,"illegal combination p %d, ri %d, no_pmi %d\n",cc->p_eNB,ri,no_pmi);
  }
  else if (cqi_ReportPeriodic->choice.setup.cqi_FormatIndicatorPeriodic.present == CQI_ReportPeriodic__setup__cqi_FormatIndicatorPeriodic_PR_subbandCQI) {
    if ((no_pmi == 1)||ri==1) return(4+Ltab[cc->mib->message.dl_Bandwidth]);
Cedric Roux's avatar
Cedric Roux committed
877 878
    else
      return(7+Ltab[cc->mib->message.dl_Bandwidth]);
879 880 881 882 883
  }
  AssertFatal(1==0,"Shouldn't get here : cqi_ReportPeriodic->present %d\n",cqi_ReportPeriodic->choice.setup.cqi_FormatIndicatorPeriodic.present);
}

void fill_nfapi_dl_dci_1A(nfapi_dl_config_request_pdu_t   *dl_config_pdu,
Cedric Roux's avatar
Cedric Roux committed
884 885 886 887 888 889 890 891 892 893 894
                          uint8_t aggregation_level,
                          uint16_t rnti,
                          uint8_t rnti_type,
                          uint8_t harq_process,
                          uint8_t tpc,
                          uint16_t resource_block_coding,
                          uint8_t mcs,
                          uint8_t ndi,
                          uint8_t rv,
                          uint8_t vrb_flag)
{
895
  memset((void*)dl_config_pdu,0,sizeof(nfapi_dl_config_request_pdu_t));
Cedric Roux's avatar
Cedric Roux committed
896
  dl_config_pdu->pdu_type                                                          = NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE;
897 898 899 900 901 902 903 904 905 906 907 908 909 910 911
  dl_config_pdu->pdu_size                                                          = (uint8_t)(2+sizeof(nfapi_dl_config_dci_dl_pdu));
  dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.dci_format                             = NFAPI_DL_DCI_FORMAT_1A;
  dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.aggregation_level                      = aggregation_level;
  dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti                                   = rnti;
  dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti_type                              = rnti_type;
  dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.transmission_power                     = 6000; // equal to RS power
  dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.harq_process                           = harq_process;
  dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.tpc                                    = tpc; // no TPC
  dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_block_coding                  = resource_block_coding;
  dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.mcs_1                                  = mcs;
  dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.new_data_indicator_1                   = ndi;
  dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.redundancy_version_1                   = rv;
  dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.virtual_resource_block_assignment_flag = vrb_flag;
}

Cedric Roux's avatar
Cedric Roux committed
912 913
void program_dlsch_acknak(module_id_t module_idP, int CC_idP,int UE_idP, frame_t frameP, sub_frame_t subframeP,uint8_t cce_idx)
{
914 915 916 917 918 919 920 921 922 923
  eNB_MAC_INST                   *eNB      = RC.mac[module_idP];
  COMMON_channels_t              *cc       = eNB->common_channels;
  UE_list_t                      *UE_list  = &eNB->UE_list;
  rnti_t                         rnti      = UE_RNTI(module_idP,UE_idP);
  nfapi_ul_config_request_body_t *ul_req;
  nfapi_ul_config_request_pdu_t  *ul_config_pdu;

  int use_simultaneous_pucch_pusch=0;
  nfapi_ul_config_ulsch_harq_information *ulsch_harq_information = NULL;
  nfapi_ul_config_harq_information *harq_information = NULL;
Cedric Roux's avatar
Cedric Roux committed
924

925
#if defined(Rel10) || defined(Rel14)
Cedric Roux's avatar
Cedric Roux committed
926

927 928
  if ((UE_list->UE_template[CC_idP][UE_idP].physicalConfigDedicated->ext2) &&
      (UE_list->UE_template[CC_idP][UE_idP].physicalConfigDedicated->ext2->pucch_ConfigDedicated_v1020) &&
Cedric Roux's avatar
Cedric Roux committed
929
      (UE_list->UE_template[CC_idP][UE_idP].physicalConfigDedicated->ext2->pucch_ConfigDedicated_v1020->simultaneousPUCCH_PUSCH_r10) &&
Cedric Roux's avatar
Cedric Roux committed
930 931 932
      (*UE_list->UE_template[CC_idP][UE_idP].physicalConfigDedicated->ext2->pucch_ConfigDedicated_v1020->simultaneousPUCCH_PUSCH_r10 ==
          PUCCH_ConfigDedicated_v1020__simultaneousPUCCH_PUSCH_r10_true))
    use_simultaneous_pucch_pusch=1;
933
#endif
Cedric Roux's avatar
Cedric Roux committed
934

935 936 937
  // pucch1 and pusch feedback is similar, namely in n+k subframes from now
  // This is used in the following "if/else" condition to check if there isn't or is already an UL grant in n+k
  int16_t ul_absSF = get_pucch1_absSF(&cc[CC_idP],subframeP+(10*frameP));
Cedric Roux's avatar
Cedric Roux committed
938

939
  if ((ul_config_pdu = has_ul_grant(module_idP,CC_idP,
Cedric Roux's avatar
Cedric Roux committed
940 941
                                    ul_absSF,
                                    rnti)) == NULL) {
942 943
    // no UL grant so
    // Program ACK/NAK alone Format 1a/b or 3
Cedric Roux's avatar
Cedric Roux committed
944

945
    ul_req        = &RC.mac[module_idP]->UL_req_tmp[CC_idP][ul_absSF%10].ul_config_request_body;
Cedric Roux's avatar
Cedric Roux committed
946
    ul_config_pdu = &ul_req->ul_config_pdu_list[ul_req->number_of_pdus];
947 948
    // Do PUCCH
    fill_nfapi_uci_acknak(module_idP,
Cedric Roux's avatar
Cedric Roux committed
949 950 951 952
                          CC_idP,
                          rnti,
                          (frameP*10)+subframeP,
                          cce_idx);
953
  }
Cedric Roux's avatar
Cedric Roux committed
954 955 956 957
  else {
    /* there is already an existing UL grant so update it if needed
     * on top of some other UL resource (PUSCH,combined SR/CQI/HARQ on PUCCH, etc)
     */
958
    switch(ul_config_pdu->pdu_type) {
Cedric Roux's avatar
Cedric Roux committed
959 960 961

    /* [ulsch] to [ulsch + harq] or [ulsch + harq on pucch] */

962 963
    case NFAPI_UL_CONFIG_ULSCH_PDU_TYPE:
      if (use_simultaneous_pucch_pusch==1) {
Cedric Roux's avatar
Cedric Roux committed
964 965 966 967
        // Convert it to an NFAPI_UL_CONFIG_ULSCH_UCI_HARQ_PDU_TYPE
        harq_information = &ul_config_pdu->ulsch_uci_harq_pdu.harq_information;
        ul_config_pdu->pdu_type = NFAPI_UL_CONFIG_ULSCH_UCI_HARQ_PDU_TYPE;
        LOG_D(MAC,"Frame %d, Subframe %d: Switched UCI HARQ to ULSCH UCI HARQ\n",frameP,subframeP);
968 969
      }
      else {
Cedric Roux's avatar
Cedric Roux committed
970 971 972 973 974 975 976
        // Convert it to an NFAPI_UL_CONFIG_ULSCH_HARQ_PDU_TYPE
        ulsch_harq_information = &ul_config_pdu->ulsch_harq_pdu.harq_information;
        ul_config_pdu->pdu_type = NFAPI_UL_CONFIG_ULSCH_HARQ_PDU_TYPE;
        ul_config_pdu->ulsch_harq_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.n_srs_initial=0; // last symbol not punctured
        ul_config_pdu->ulsch_harq_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.initial_number_of_resource_blocks=
          ul_config_pdu->ulsch_harq_pdu.ulsch_pdu.ulsch_pdu_rel8.number_of_resource_blocks; // we don't change the number of resource blocks across retransmissions yet
        LOG_D(MAC,"Frame %d, Subframe %d: Switched UCI HARQ to ULSCH HARQ\n",frameP,subframeP);
977 978
      }
      break;
Cedric Roux's avatar
Cedric Roux committed
979 980 981 982 983 984 985 986 987 988 989
    case NFAPI_UL_CONFIG_ULSCH_HARQ_PDU_TYPE:
      AssertFatal(use_simultaneous_pucch_pusch == 1,
                  "Cannot be NFAPI_UL_CONFIG_ULSCH_HARQ_PDU_TYPE, simultaneous_pucch_pusch is active");
      break;
    case NFAPI_UL_CONFIG_ULSCH_UCI_HARQ_PDU_TYPE:
      AssertFatal(use_simultaneous_pucch_pusch == 0,
                  "Cannot be NFAPI_UL_CONFIG_ULSCH_UCI_PDU_TYPE, simultaneous_pucch_pusch is inactive\n");
      break;

    /* [ulsch + cqi] to [ulsch + cqi + harq] */

990
    case NFAPI_UL_CONFIG_ULSCH_CQI_RI_PDU_TYPE:
Cedric Roux's avatar
Cedric Roux committed
991 992 993 994 995 996 997 998 999 1000 1001 1002 1003
      // Convert it to an NFAPI_UL_CONFIG_ULSCH_CQI_HARQ_RI_PDU_TYPE
      ulsch_harq_information = &ul_config_pdu->ulsch_cqi_harq_ri_pdu.harq_information;
      ul_config_pdu->pdu_type = NFAPI_UL_CONFIG_ULSCH_CQI_HARQ_RI_PDU_TYPE;
      /* TODO: check this - when converting from nfapi_ul_config_ulsch_cqi_ri_pdu to
       * nfapi_ul_config_ulsch_cqi_harq_ri_pdu, shouldn't we copy initial_transmission_parameters
       * from the one to the other?
       * Those two types are not compatible. 'initial_transmission_parameters' is not at the
       * place in both.
       */
      ul_config_pdu->ulsch_cqi_harq_ri_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.n_srs_initial=0; // last symbol not punctured
      ul_config_pdu->ulsch_cqi_harq_ri_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.initial_number_of_resource_blocks=
        ul_config_pdu->ulsch_harq_pdu.ulsch_pdu.ulsch_pdu_rel8.number_of_resource_blocks; // we don't change the number of resource blocks across retransmissions yet
      break;
1004
    case NFAPI_UL_CONFIG_ULSCH_CQI_HARQ_RI_PDU_TYPE:
Cedric Roux's avatar
Cedric Roux committed
1005 1006 1007
      AssertFatal(use_simultaneous_pucch_pusch == 0,
                  "Cannot be NFAPI_UL_CONFIG_ULSCH_CQI_HARQ_RI_PDU_TYPE, simultaneous_pucch_pusch is active\n");
      break;
Cedric Roux's avatar
Cedric Roux committed
1008

Cedric Roux's avatar
Cedric Roux committed
1009
    /* [ulsch + cqi on pucch] to [ulsch + cqi on pucch + harq on pucch] */
Cedric Roux's avatar
Cedric Roux committed
1010

Cedric Roux's avatar
Cedric Roux committed
1011 1012 1013 1014 1015 1016 1017 1018
    case NFAPI_UL_CONFIG_ULSCH_UCI_CSI_PDU_TYPE:
      // convert it to an NFAPI_UL_CONFIG_ULSCH_CSI_UCI_HARQ_PDU_TYPE
      harq_information = &ul_config_pdu->ulsch_csi_uci_harq_pdu.harq_information;
      ul_config_pdu->pdu_type = NFAPI_UL_CONFIG_ULSCH_CSI_UCI_HARQ_PDU_TYPE;
      break;
    case NFAPI_UL_CONFIG_ULSCH_CSI_UCI_HARQ_PDU_TYPE:
      AssertFatal(use_simultaneous_pucch_pusch == 1,
                  "Cannot be NFAPI_UL_CONFIG_ULSCH_CSI_UCI_HARQ_PDU_TYPE, simultaneous_pucch_pusch is inactive\n");
1019
      break;
Cedric Roux's avatar
Cedric Roux committed
1020

Cedric Roux's avatar
Cedric Roux committed
1021 1022
    /* [sr] to [sr + harq] */

1023
    case NFAPI_UL_CONFIG_UCI_SR_PDU_TYPE:
Cedric Roux's avatar
Cedric Roux committed
1024
      // convert to NFAPI_UL_CONFIG_UCI_SR_HARQ_PDU_TYPE
1025 1026 1027
      ul_config_pdu->pdu_type = NFAPI_UL_CONFIG_UCI_SR_HARQ_PDU_TYPE;
      harq_information = &ul_config_pdu->uci_sr_harq_pdu.harq_information;
      break;
Cedric Roux's avatar
Cedric Roux committed
1028 1029 1030 1031 1032 1033
    case NFAPI_UL_CONFIG_UCI_SR_HARQ_PDU_TYPE:
      /* nothing to do */
      break;

    /* [cqi] to [cqi + harq] */

1034
    case NFAPI_UL_CONFIG_UCI_CQI_PDU_TYPE:
Cedric Roux's avatar
Cedric Roux committed
1035
      // convert to NFAPI_UL_CONFIG_UCI_CQI_HARQ_PDU_TYPE
1036 1037 1038
      ul_config_pdu->pdu_type = NFAPI_UL_CONFIG_UCI_CQI_HARQ_PDU_TYPE;
      harq_information = &ul_config_pdu->uci_cqi_harq_pdu.harq_information;
      break;
Cedric Roux's avatar
Cedric Roux committed
1039 1040 1041 1042 1043
    case NFAPI_UL_CONFIG_UCI_CQI_HARQ_PDU_TYPE:
      /* nothing to do */
      break;

    /* [cqi + sr] to [cqr + sr + harq] */
Cedric Roux's avatar
Cedric Roux committed
1044

1045
    case NFAPI_UL_CONFIG_UCI_CQI_SR_PDU_TYPE:
Cedric Roux's avatar
Cedric Roux committed
1046
      // convert to NFAPI_UL_CONFIG_UCI_CQI_SR_HARQ_PDU_TYPE
1047 1048 1049
      ul_config_pdu->pdu_type = NFAPI_UL_CONFIG_UCI_CQI_SR_HARQ_PDU_TYPE;
      harq_information = &ul_config_pdu->uci_cqi_sr_harq_pdu.harq_information;
      break;
Cedric Roux's avatar
Cedric Roux committed
1050 1051 1052
    case NFAPI_UL_CONFIG_UCI_CQI_SR_HARQ_PDU_TYPE:
      /* nothing to do */
      break;
1053 1054
    }
  }
Cedric Roux's avatar
Cedric Roux committed
1055

1056
  if (ulsch_harq_information) fill_nfapi_ulsch_harq_information(module_idP,CC_idP,
Cedric Roux's avatar
Cedric Roux committed
1057 1058 1059
                                                                rnti,
                                                                ulsch_harq_information);

1060
  if (harq_information) fill_nfapi_harq_information(module_idP,CC_idP,
Cedric Roux's avatar
Cedric Roux committed
1061 1062 1063 1064
                                                    rnti,
                                                    (frameP*10)+subframeP,
                                                    harq_information,
                                                    cce_idx);
1065 1066
}

Cedric Roux's avatar
Cedric Roux committed
1067 1068
uint8_t get_V_UL_DAI(module_id_t module_idP,int CC_idP,uint16_t rntiP)
{
1069 1070 1071 1072 1073
  nfapi_hi_dci0_request_body_t        *HI_DCI0_req         = &RC.mac[module_idP]->HI_DCI0_req[CC_idP].hi_dci0_request_body;
  nfapi_hi_dci0_request_pdu_t         *hi_dci0_pdu         = &HI_DCI0_req->hi_dci0_pdu_list[0];

  for (int i=0;i<HI_DCI0_req->number_of_dci;i++) {
    if ((hi_dci0_pdu[i].pdu_type == NFAPI_HI_DCI0_DCI_PDU_TYPE)&&
Cedric Roux's avatar
Cedric Roux committed
1074 1075
        (hi_dci0_pdu[i].dci_pdu.dci_pdu_rel8.rnti == rntiP))
        return(hi_dci0_pdu[i].dci_pdu.dci_pdu_rel8.dl_assignment_index);
1076 1077 1078 1079
  }
  return(4); // this is rule from Section 7.3 in 36.213
}

Cedric Roux's avatar
Cedric Roux committed
1080 1081 1082 1083 1084
void fill_nfapi_ulsch_harq_information(module_id_t module_idP,
                                       int CC_idP,
                                       uint16_t rntiP,
                                       nfapi_ul_config_ulsch_harq_information *harq_information)
{
1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125
  eNB_MAC_INST                   *eNB      = RC.mac[module_idP];
  COMMON_channels_t              *cc       = &eNB->common_channels[CC_idP];
  UE_list_t                      *UE_list  = &eNB->UE_list;

  int UE_id                                = find_UE_id(module_idP,rntiP);

  PUSCH_ConfigDedicated_t              *puschConfigDedicated;
  //  PUSCH_ConfigDedicated_v1020_t        *puschConfigDedicated_v1020;
  //  PUSCH_ConfigDedicated_v1130_t        *puschConfigDedicated_v1130;
  //  PUSCH_ConfigDedicated_v1250_t        *puschConfigDedicated_v1250;

  AssertFatal(UE_id>=0,"UE_id cannot be found, impossible\n");
  AssertFatal(UE_list!=NULL,"UE_list is null\n");
  AssertFatal(UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated!=NULL,"physicalConfigDedicated for rnti %x is null\n",rntiP);
  AssertFatal((puschConfigDedicated = (PUSCH_ConfigDedicated_t *)UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->pusch_ConfigDedicated)!=NULL,"physicalConfigDedicated->puschConfigDedicated for rnti %x is null\n",rntiP);
#if defined(Rel14) || defined(Rel14)
  /*  if (UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->ext2) puschConfigDedicated_v1020 =  UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->ext2->pusch_ConfigDedicated_v1020;
#endif
#ifdef Rel14
  if (UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->ext4) puschConfigDedicated_v1130 =  UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->ext4->pusch_ConfigDedicated_v1130;
  if (UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->ext5) puschConfigDedicated_v1250 =  UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->ext5->pusch_ConfigDedicated_v1250;
  */
#endif
  harq_information->harq_information_rel10.delta_offset_harq = puschConfigDedicated->betaOffset_ACK_Index;
  AssertFatal(UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->pucch_ConfigDedicated!=NULL,"pucch_ConfigDedicated is null!\n");
  if ((UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->pucch_ConfigDedicated->tdd_AckNackFeedbackMode!=NULL)&&
      (*UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->pucch_ConfigDedicated->tdd_AckNackFeedbackMode==PUCCH_ConfigDedicated__tdd_AckNackFeedbackMode_multiplexing))
      harq_information->harq_information_rel10.ack_nack_mode = 1;  // multiplexing
  else
      harq_information->harq_information_rel10.ack_nack_mode = 0;  // bundling

  switch(get_tmode(module_idP,CC_idP,UE_id)) {
  case 1:
  case 2:
  case 5:
  case 6:
  case 7:
    if (cc->tdd_Config==NULL) // FDD
      harq_information->harq_information_rel10.harq_size = 1;
    else {
      if (harq_information->harq_information_rel10.ack_nack_mode == 1)
Cedric Roux's avatar
Cedric Roux committed
1126
        harq_information->harq_information_rel10.harq_size = get_V_UL_DAI(module_idP,CC_idP,rntiP);
1127
      else
Cedric Roux's avatar
Cedric Roux committed
1128
        harq_information->harq_information_rel10.harq_size = 1;
1129 1130
    }
    break;
Cedric Roux's avatar
Cedric Roux committed
1131
  default: // for any other TM we need 2 bits harq
1132
    if (cc->tdd_Config==NULL) {
Cedric Roux's avatar
Cedric Roux committed
1133
        harq_information->harq_information_rel10.harq_size     = 2;
1134 1135 1136
    }
    else {
      if (harq_information->harq_information_rel10.ack_nack_mode == 1)
Cedric Roux's avatar
Cedric Roux committed
1137
        harq_information->harq_information_rel10.harq_size     = get_V_UL_DAI(module_idP,CC_idP,rntiP);
1138
      else
Cedric Roux's avatar
Cedric Roux committed
1139
        harq_information->harq_information_rel10.harq_size     = 2;
1140 1141 1142 1143
    }
    break;
  } // get Tmode
}
Cedric Roux's avatar
Cedric Roux committed
1144

1145
void fill_nfapi_harq_information(module_id_t module_idP,
Cedric Roux's avatar
Cedric Roux committed
1146 1147 1148 1149 1150 1151
                                 int CC_idP,
                                 uint16_t rntiP,
                                 uint16_t absSFP,
                                 nfapi_ul_config_harq_information *harq_information,
                                 uint8_t cce_idxP)
{
1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171
  eNB_MAC_INST                   *eNB      = RC.mac[module_idP];
  COMMON_channels_t              *cc       = &eNB->common_channels[CC_idP];
  UE_list_t                      *UE_list  = &eNB->UE_list;

  int UE_id                                = find_UE_id(module_idP,rntiP);

  AssertFatal(UE_id>=0,"UE_id cannot be found, impossible\n");
  AssertFatal(UE_list!=NULL,"UE_list is null\n");
  AssertFatal(UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated!=NULL,"physicalConfigDedicated for rnti %x is null\n",rntiP);

  harq_information->harq_information_rel11.num_ant_ports = 1;

  switch(get_tmode(module_idP,CC_idP,UE_id)) {
  case 1:
  case 2:
  case 5:
  case 6:
  case 7:
    if (cc->tdd_Config!=NULL) {
      AssertFatal(UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->pucch_ConfigDedicated!=NULL,
Cedric Roux's avatar
Cedric Roux committed
1172
                  "pucch_ConfigDedicated is null for TDD!\n");
1173
      if ((UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->pucch_ConfigDedicated->tdd_AckNackFeedbackMode!=NULL)&&
Cedric Roux's avatar
Cedric Roux committed
1174 1175 1176
          (*UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->pucch_ConfigDedicated->tdd_AckNackFeedbackMode==PUCCH_ConfigDedicated__tdd_AckNackFeedbackMode_multiplexing)) {
        harq_information->harq_information_rel10_tdd.harq_size     = 2;  // 2-bit ACK/NAK
        harq_information->harq_information_rel10_tdd.ack_nack_mode = 1;  // multiplexing
1177 1178
      }
      else {
Cedric Roux's avatar
Cedric Roux committed
1179 1180
        harq_information->harq_information_rel10_tdd.harq_size     = 1;  // 1-bit ACK/NAK
        harq_information->harq_information_rel10_tdd.ack_nack_mode = 0;  // bundling
1181 1182 1183 1184 1185 1186 1187 1188 1189
      }
      harq_information->harq_information_rel10_tdd.n_pucch_1_0   = cc->radioResourceConfigCommon->pucch_ConfigCommon.n1PUCCH_AN + cce_idxP;
      harq_information->harq_information_rel10_tdd.number_of_pucch_resources = 1;
    } else {
      harq_information->harq_information_rel9_fdd.number_of_pucch_resources = 1;
      harq_information->harq_information_rel9_fdd.harq_size                 = 1;  // 1-bit ACK/NAK
      harq_information->harq_information_rel9_fdd.n_pucch_1_0               = cc->radioResourceConfigCommon->pucch_ConfigCommon.n1PUCCH_AN + cce_idxP;
    }
    break;
Cedric Roux's avatar
Cedric Roux committed
1190
  default: // for any other TM we need 2 bits harq
1191 1192
    if (cc->tdd_Config!=NULL) {
      AssertFatal(UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->pucch_ConfigDedicated!=NULL,
Cedric Roux's avatar
Cedric Roux committed
1193
                  "pucch_ConfigDedicated is null for TDD!\n");
1194
      if ((UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->pucch_ConfigDedicated->tdd_AckNackFeedbackMode!=NULL)&&
Cedric Roux's avatar
Cedric Roux committed
1195 1196
          (*UE_list->UE_template[CC_idP][UE_id].physicalConfigDedicated->pucch_ConfigDedicated->tdd_AckNackFeedbackMode==PUCCH_ConfigDedicated__tdd_AckNackFeedbackMode_multiplexing)) {
        harq_information->harq_information_rel10_tdd.ack_nack_mode = 1;  // multiplexing
1197 1198
      }
      else {
Cedric Roux's avatar
Cedric Roux committed
1199
        harq_information->harq_information_rel10_tdd.ack_nack_mode = 0;  // bundling
1200
      }
Cedric Roux's avatar
Cedric Roux committed
1201
      harq_information->harq_information_rel10_tdd.harq_size       = 2;
1202 1203 1204 1205 1206 1207 1208
      harq_information->harq_information_rel10_tdd.n_pucch_1_0   = cc->radioResourceConfigCommon->pucch_ConfigCommon.n1PUCCH_AN + cce_idxP;
      harq_information->harq_information_rel10_tdd.number_of_pucch_resources = 1;
    }
    else {
      harq_information->harq_information_rel9_fdd.number_of_pucch_resources = 1;
      harq_information->harq_information_rel9_fdd.ack_nack_mode    = 0;  // 1a/b
      harq_information->harq_information_rel9_fdd.harq_size        = 2;
Cedric Roux's avatar
Cedric Roux committed
1209
      harq_information->harq_information_rel9_fdd.n_pucch_1_0      = cc->radioResourceConfigCommon->pucch_ConfigCommon.n1PUCCH_AN + cce_idxP;
1210 1211 1212 1213 1214 1215
    }
    break;
  } // get Tmode
}

uint16_t fill_nfapi_uci_acknak(module_id_t module_idP,
Cedric Roux's avatar
Cedric Roux committed
1216 1217 1218 1219 1220
                               int CC_idP,
                               uint16_t rntiP,
                               uint16_t absSFP,
                               uint8_t cce_idxP)
{
1221 1222
  eNB_MAC_INST                   *eNB          = RC.mac[module_idP];
  COMMON_channels_t              *cc           = &eNB->common_channels[CC_idP];
Cedric Roux's avatar
Cedric Roux committed
1223

1224 1225
  int ackNAK_absSF                             = get_pucch1_absSF(cc,absSFP);
  nfapi_ul_config_request_body_t *ul_req       = &eNB->UL_req_tmp[CC_idP][ackNAK_absSF%10].ul_config_request_body;
Cedric Roux's avatar
Cedric Roux committed
1226
  nfapi_ul_config_request_pdu_t *ul_config_pdu = &ul_req->ul_config_pdu_list[ul_req->number_of_pdus];
1227 1228

  memset((void*)ul_config_pdu,0,sizeof(nfapi_ul_config_request_pdu_t));
Cedric Roux's avatar
Cedric Roux committed
1229
  ul_config_pdu->pdu_type                                                              = NFAPI_UL_CONFIG_UCI_HARQ_PDU_TYPE;
1230 1231 1232 1233 1234
  ul_config_pdu->pdu_size                                                              = (uint8_t)(2+sizeof(nfapi_ul_config_uci_harq_pdu));
  ul_config_pdu->uci_harq_pdu.ue_information.ue_information_rel8.handle                = 0; // don't know how to use this
  ul_config_pdu->uci_harq_pdu.ue_information.ue_information_rel8.rnti                  = rntiP;

  fill_nfapi_harq_information(module_idP,CC_idP,
Cedric Roux's avatar
Cedric Roux committed
1235 1236 1237 1238
                              rntiP,
                              absSFP,
                              &ul_config_pdu->uci_harq_pdu.harq_information,
                              cce_idxP);
1239
  LOG_D(MAC,"Filled in UCI HARQ request for rnti %x SF %d.%d acknakSF %d.%d, cce_idxP %d-> n1_pucch %d\n",rntiP,
Cedric Roux's avatar
Cedric Roux committed
1240
        absSFP/10,absSFP%10,ackNAK_absSF/10,ackNAK_absSF%10,cce_idxP,ul_config_pdu->uci_harq_pdu.harq_information.harq_information_rel9_fdd.n_pucch_1_0);
1241 1242 1243 1244 1245 1246

  ul_req->number_of_pdus++;

  return(((ackNAK_absSF/10)<<4) + (ackNAK_absSF%10));
}

Cedric Roux's avatar
Cedric Roux committed
1247 1248 1249 1250 1251 1252 1253 1254