dci_tools.c 319 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
 */

22
/*! \file PHY/LTE_TRANSPORT/dci_tools.c
23
 * \brief PHY Support routines (eNB/UE) for filling PDSCH/PUSCH/DLSCH/ULSCH data structures based on DCI PDUs generated by eNB MAC scheduler.
24 25 26 27 28 29 30 31 32 33 34 35 36 37
 * \author R. Knopp
 * \date 2011
 * \version 0.1
 * \company Eurecom
 * \email: knopp@eurecom.fr
 * \note
 * \warning
 */
#include "PHY/defs.h"
#include "PHY/extern.h"
#include "SCHED/defs.h"
#ifdef DEBUG_DCI_TOOLS
#include "PHY/vars.h"
#endif
winckel's avatar
winckel committed
38
#include "assertions.h"
Gabriel's avatar
Gabriel committed
39 40 41 42

#include "LAYER2/MAC/extern.h"
#include "LAYER2/MAC/defs.h"

43 44
//#define DEBUG_DCI

45 46 47
uint32_t localRIV2alloc_LUT6[32];
uint32_t distRIV2alloc_even_LUT6[32];
uint32_t distRIV2alloc_odd_LUT6[32];
48 49 50 51
uint16_t RIV2nb_rb_LUT6[32];
uint16_t RIV2first_rb_LUT6[32];
uint16_t RIV_max6=0;

52 53 54
uint32_t localRIV2alloc_LUT25[512];
uint32_t distRIV2alloc_even_LUT25[512];
uint32_t distRIV2alloc_odd_LUT25[512];
55 56 57 58 59
uint16_t RIV2nb_rb_LUT25[512];
uint16_t RIV2first_rb_LUT25[512];
uint16_t RIV_max25=0;


60 61 62 63 64 65 66 67 68 69
uint32_t localRIV2alloc_LUT50_0[1600];
uint32_t localRIV2alloc_LUT50_1[1600];
uint32_t distRIV2alloc_gap0_even_LUT50_0[1600];
uint32_t distRIV2alloc_gap0_odd_LUT50_0[1600];
uint32_t distRIV2alloc_gap0_even_LUT50_1[1600];
uint32_t distRIV2alloc_gap0_odd_LUT50_1[1600];
uint32_t distRIV2alloc_gap1_even_LUT50_0[1600];
uint32_t distRIV2alloc_gap1_odd_LUT50_0[1600];
uint32_t distRIV2alloc_gap1_even_LUT50_1[1600];
uint32_t distRIV2alloc_gap1_odd_LUT50_1[1600];
70 71 72 73
uint16_t RIV2nb_rb_LUT50[1600];
uint16_t RIV2first_rb_LUT50[1600];
uint16_t RIV_max50=0;

74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93
uint32_t localRIV2alloc_LUT100_0[6000];
uint32_t localRIV2alloc_LUT100_1[6000];
uint32_t localRIV2alloc_LUT100_2[6000];
uint32_t localRIV2alloc_LUT100_3[6000];
uint32_t distRIV2alloc_gap0_even_LUT100_0[6000];
uint32_t distRIV2alloc_gap0_odd_LUT100_0[6000];
uint32_t distRIV2alloc_gap0_even_LUT100_1[6000];
uint32_t distRIV2alloc_gap0_odd_LUT100_1[6000];
uint32_t distRIV2alloc_gap0_even_LUT100_2[6000];
uint32_t distRIV2alloc_gap0_odd_LUT100_2[6000];
uint32_t distRIV2alloc_gap0_even_LUT100_3[6000];
uint32_t distRIV2alloc_gap0_odd_LUT100_3[6000];
uint32_t distRIV2alloc_gap1_even_LUT100_0[6000];
uint32_t distRIV2alloc_gap1_odd_LUT100_0[6000];
uint32_t distRIV2alloc_gap1_even_LUT100_1[6000];
uint32_t distRIV2alloc_gap1_odd_LUT100_1[6000];
uint32_t distRIV2alloc_gap1_even_LUT100_2[6000];
uint32_t distRIV2alloc_gap1_odd_LUT100_2[6000];
uint32_t distRIV2alloc_gap1_even_LUT100_3[6000];
uint32_t distRIV2alloc_gap1_odd_LUT100_3[6000];
94 95 96 97 98 99 100 101 102
uint16_t RIV2nb_rb_LUT100[6000];
uint16_t RIV2first_rb_LUT100[6000];
uint16_t RIV_max100=0;


extern uint32_t current_dlsch_cqi;

// Table 8.6.3-3 36.213
uint16_t beta_cqi[16] = {0,   //reserved
103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118
                         0,   //reserved
                         9,   //1.125
                         10,  //1.250
                         11,  //1.375
                         13,  //1.625
                         14,  //1.750
                         16,  //2.000
                         18,  //2.250
                         20,  //2.500
                         23,  //2.875
                         25,  //3.125
                         28,  //3.500
                         32,  //4.000
                         40,  //5.000
                         50
                        }; //6.250
119 120 121

// Table 8.6.3-2 36.213
uint16_t beta_ri[16] = {10,   //1.250
122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137
                        13,   //1.625
                        16,   //2.000
                        20,   //2.500
                        25,   //3.125
                        32,   //4.000
                        40,   //5.000
                        50,   //6.250
                        64,   //8.000
                        80,   //10.000
                        101,  //12.625
                        127,  //15.875
                        160,  //20.000
                        0,    //reserved
                        0,    //reserved
                        0
                       };   //reserved
138 139 140

// Table 8.6.3-2 36.213
uint16_t beta_ack[16] = {16,  //2.000
141 142 143 144 145 146 147 148 149 150 151 152 153 154 155
                         20,  //2.500
                         25,  //3.125
                         32,  //4.000
                         40,  //5.000
                         50,  //6.250
                         64,  //8.000
                         80,  //10.000
                         101, //12.625
                         127, //15.875
                         160, //20.000
                         248, //31.000
                         400, //50.000
                         640, //80.000
                         808
                        };//126.00
156 157 158 159 160

int8_t delta_PUSCH_abs[4] = {-4,-1,1,4};
int8_t delta_PUSCH_acc[4] = {-1,0,1,3};

int8_t *delta_PUCCH_lut = delta_PUSCH_acc;
161 162 163

void conv_rballoc(uint8_t ra_header,uint32_t rb_alloc,uint32_t N_RB_DL,uint32_t *rb_alloc2)
{
164 165

  uint32_t i,shift,subset;
166 167 168 169
  rb_alloc2[0] = 0;
  rb_alloc2[1] = 0;
  rb_alloc2[2] = 0;
  rb_alloc2[3] = 0;
170 171 172 173 174 175 176 177 178 179 180

  //  printf("N_RB_DL %d, ra_header %d, rb_alloc %x\n",N_RB_DL,ra_header,rb_alloc);

  switch (N_RB_DL) {

  case 6:
    rb_alloc2[0] = rb_alloc&0x3f;
    break;

  case 25:
    if (ra_header == 0) {// Type 0 Allocation
181 182 183 184 185 186

      for (i=12; i>0; i--) {
        if ((rb_alloc&(1<<i)) != 0)
          rb_alloc2[0] |= (3<<((2*(12-i))));

        //      printf("rb_alloc2 (type 0) %x\n",rb_alloc2);
187
      }
188

189
      if ((rb_alloc&1) != 0)
190 191
        rb_alloc2[0] |= (1<<24);
    } else {
192 193
      subset = rb_alloc&1;
      shift  = (rb_alloc>>1)&1;
194 195 196 197 198 199

      for (i=0; i<11; i++) {
        if ((rb_alloc&(1<<(i+2))) != 0)
          rb_alloc2[0] |= (1<<(2*i));

        //printf("rb_alloc2 (type 1) %x\n",rb_alloc2);
200
      }
201

202
      if ((shift == 0) && (subset == 1))
203
        rb_alloc2[0]<<=1;
204
      else if ((shift == 1) && (subset == 0))
205
        rb_alloc2[0]<<=4;
206
      else if ((shift == 1) && (subset == 1))
207
        rb_alloc2[0]<<=3;
208
    }
209

210
    break;
211

212 213 214 215 216 217 218
  case 50:
    if (ra_header == 0) {// Type 0 Allocation

      for (i=16; i>0; i--) {
        if ((rb_alloc&(1<<i)) != 0)
          rb_alloc2[(3*(16-i))>>5] |= (7<<((3*(16-i))%32));
      }
219

220
      /*
221 222 223 224
      for (i=1;i<=16;i++) {
        if ((rb_alloc&(1<<(16-i))) != 0)
      rb_alloc2[(3*i)>>5] |= (7<<((3*i)%32));
      }
225
      */
226
      // bit mask across
227 228
      if ((rb_alloc2[0]>>31)==1)
        rb_alloc2[1] |= 1;
229

230
      if ((rb_alloc&1) != 0)
231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246
        rb_alloc2[1] |= (3<<16);

      /*
        for (i=0;i<16;i++) {
        if (((rb_alloc>>(16-i))&1) != 0)
        rb_alloc2[(3*i)>>5] |= (7<<((3*i)%32));
        if ((i==10)&&((rb_alloc&(1<<6))!=0))
        rb_alloc2[1] = 1;
        //  printf("rb_alloc2[%d] (type 0) %x ((%x>>%d)&1=%d)\n",(3*i)>>5,rb_alloc2[(3*i)>>5],rb_alloc,i,(rb_alloc>>i)&1);

        }
        // fill in 2 from last bit instead of 3
        if ((rb_alloc&1) != 0)
        rb_alloc2[1] |= (3<<i);
        //    printf("rb_alloc2[%d] (type 0) %x ((%x>>%d)&1=%d)\n",(3*i)>>5,rb_alloc2[(3*i)>>5],rb_alloc,i,(rb_alloc>>i)&1);
        */
247
      //      printf("rb_alloc[1]=%x,rb_alloc[0]=%x\n",rb_alloc2[1],rb_alloc2[0]);
248
    } else {
249 250
      LOG_E(PHY,"resource type 1 not supported for  N_RB_DL=50\n");
      //      mac_xface->macphy_exit("resource type 1 not supported for  N_RB_DL=100\n");
251
      /*
252 253 254 255 256 257 258 259 260 261 262 263 264
      subset = rb_alloc&1;
      shift  = (rb_alloc>>1)&1;
      for (i=0;i<11;i++) {
      if ((rb_alloc&(1<<(i+2))) != 0)
      rb_alloc2 |= (1<<(2*i));
      //      printf("rb_alloc2 (type 1) %x\n",rb_alloc2);
      }
      if ((shift == 0) && (subset == 1))
      rb_alloc2<<=1;
      else if ((shift == 1) && (subset == 0))
      rb_alloc2<<=4;
      else if ((shift == 1) && (subset == 1))
      rb_alloc2<<=3;
265 266
      */
    }
267

268 269 270 271
    break;

  case 100:
    if (ra_header == 0) {// Type 0 Allocation
272 273 274 275 276
      for (i=0; i<25; i++) {
        if ((rb_alloc&(1<<(24-i))) != 0)
          rb_alloc2[(4*i)>>5] |= (0xf<<((4*i)%32));

        //  printf("rb_alloc2[%d] (type 0) %x (%d)\n",(4*i)>>5,rb_alloc2[(4*i)>>5],rb_alloc&(1<<i));
277
      }
278
    } else {
279
      LOG_E(PHY,"resource type 1 not supported for  N_RB_DL=100\n");
280
      //      mac_xface->macphy_exit("resource type 1 not supported for  N_RB_DL=100\n");
281
      /*
282 283 284 285 286 287 288 289 290 291 292 293 294
      subset = rb_alloc&1;
      shift  = (rb_alloc>>1)&1;
      for (i=0;i<11;i++) {
      if ((rb_alloc&(1<<(i+2))) != 0)
      rb_alloc2 |= (1<<(2*i));
      //      printf("rb_alloc2 (type 1) %x\n",rb_alloc2);
      }
      if ((shift == 0) && (subset == 1))
      rb_alloc2<<=1;
      else if ((shift == 1) && (subset == 0))
      rb_alloc2<<=4;
      else if ((shift == 1) && (subset == 1))
      rb_alloc2<<=3;
295 296
      */
    }
297

298 299 300
    break;

  default:
winckel's avatar
winckel committed
301 302
    LOG_E(PHY,"Invalid N_RB_DL %d\n", N_RB_DL);
    DevParam (N_RB_DL, 0, 0);
303 304 305 306 307 308 309
    break;
  }

}



310 311
uint32_t conv_nprb(uint8_t ra_header,uint32_t rb_alloc,int N_RB_DL)
{
312 313 314 315 316

  uint32_t nprb=0,i;

  switch (N_RB_DL) {
  case 6:
317
    for (i=0; i<6; i++) {
318
      if ((rb_alloc&(1<<i)) != 0)
319
        nprb += 1;
320
    }
321

322
    break;
323

324 325
  case 25:
    if (ra_header == 0) {// Type 0 Allocation
326 327 328 329

      for (i=12; i>0; i--) {
        if ((rb_alloc&(1<<i)) != 0)
          nprb += 2;
330
      }
331

332
      if ((rb_alloc&1) != 0)
333 334 335 336 337
        nprb += 1;
    } else {
      for (i=0; i<11; i++) {
        if ((rb_alloc&(1<<(i+2))) != 0)
          nprb += 1;
338 339
      }
    }
340

341
    break;
342

343 344
  case 50:
    if (ra_header == 0) {// Type 0 Allocation
345 346 347 348

      for (i=0; i<16; i++) {
        if ((rb_alloc&(1<<(16-i))) != 0)
          nprb += 3;
349
      }
350

351
      if ((rb_alloc&1) != 0)
352
        nprb += 2;
353

354 355 356 357
    } else {
      for (i=0; i<17; i++) {
        if ((rb_alloc&(1<<(i+2))) != 0)
          nprb += 1;
358 359
      }
    }
360

361
    break;
362

363 364
  case 100:
    if (ra_header == 0) {// Type 0 Allocation
365 366 367 368

      for (i=0; i<25; i++) {
        if ((rb_alloc&(1<<(24-i))) != 0)
          nprb += 4;
369
      }
370 371 372 373
    } else {
      for (i=0; i<25; i++) {
        if ((rb_alloc&(1<<(i+2))) != 0)
          nprb += 1;
374 375
      }
    }
376

377
    break;
winckel's avatar
winckel committed
378 379 380 381 382

  default:
    LOG_E(PHY,"Invalide N_RB_DL %d\n", N_RB_DL);
    DevParam (N_RB_DL, 0, 0);
    break;
383 384 385 386 387
  }

  return(nprb);
}

388 389
uint16_t computeRIV(uint16_t N_RB_DL,uint16_t RBstart,uint16_t Lcrbs)
{
390

391
  uint16_t RIV;
392

393 394 395 396
  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);
397

398
  return(RIV);
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
// Convert a DCI Format 1C RIV to a Format 1A RIV
// This extracts the start and length in PRBs from the 1C rballoc and 
// recomputes the RIV as if it were the 1A rballoc

uint32_t conv_1C_RIV(int32_t rballoc,uint32_t N_RB_DL) {

  int NpDLVRB,N_RB_step,LpCRBsm1,RBpstart;

  switch (N_RB_DL) {

  case 6: // N_RB_step = 2, NDLVRB = 6, NpDLVRB = 3
    NpDLVRB   = 3;
    N_RB_step = 2;
    break;
  case 25: // N_RB_step = 2, NDLVRB = 24, NpDLVRB = 12
    NpDLVRB   = 12;
    N_RB_step = 2;
    break;
  case 50: // N_RB_step = 4, NDLVRB = 46, NpDLVRB = 11
    NpDLVRB   = 11;
    N_RB_step = 4;
    break;
  case 100: // N_RB_step = 4, NDLVRB = 96, NpDLVRB = 24
    NpDLVRB   = 24;
    N_RB_step = 4;
    break;
  default:
    NpDLVRB   = 24;
    N_RB_step = 4;
    break;
  }

  // This is the 1C part from 7.1.6.3 in 36.213
  LpCRBsm1 = rballoc/NpDLVRB;
  //  printf("LpCRBs = %d\n",LpCRBsm1+1);

  if (LpCRBsm1 <= (NpDLVRB/2)) {
    RBpstart = rballoc % NpDLVRB;
  }
  else {
    LpCRBsm1 = NpDLVRB-LpCRBsm1;
    RBpstart = NpDLVRB-(rballoc%NpDLVRB);
  }
  //  printf("RBpstart %d\n",RBpstart);
  return(computeRIV(N_RB_DL,N_RB_step*RBpstart,N_RB_step*(LpCRBsm1+1)));
   
}

449
uint32_t get_prb(int N_RB_DL,int odd_slot,int vrb,int Ngap) {
450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563

  int offset;

  switch (N_RB_DL) {
    
  case 6:
  // N_RB_DL = tildeN_RB_DL = 6
  // Ngap = 4 , P=1, Nrow = 2, Nnull = 2
  
    switch (vrb) {
    case 0:  // even: 0->0, 1->2, odd: 0->3, 1->5
    case 1:
      return ((3*odd_slot) + 2*(vrb&3))%6;
      break;
    case 2:  // even: 2->3, 3->5, odd: 2->0, 3->2
    case 3:
      return ((3*odd_slot) + 2*(vrb&3) + 5)%6;
      break;
    case 4:  // even: 4->1, odd: 4->4
      return ((3*odd_slot) + 1)%6; 
    case 5:  // even: 5->4, odd: 5->1
      return ((3*odd_slot) + 4)%6;
      break;
    }
    break;
    
  case 15:
    if (vrb<12) {
      if ((vrb&3) < 2)     // even: 0->0, 1->4, 4->1, 5->5, 8->2, 9->6 odd: 0->7, 1->11
	return(((7*odd_slot) + 4*(vrb&3) + (vrb>>2))%14) + 14*(vrb/14);
      else if (vrb < 12) // even: 2->7, 3->11, 6->8, 7->12, 10->9, 11->13
	return (((7*odd_slot) + 4*(vrb&3) + (vrb>>2) +13 )%14) + 14*(vrb/14);
    }
    if (vrb==12)
      return (3+(7*odd_slot)) % 14;
    if (vrb==13)
      return (10+(7*odd_slot)) % 14;
    return 14;
    break;
    
  case 25:
    return (((12*odd_slot) + 6*(vrb&3) + (vrb>>2))%24) + 24*(vrb/24);
    break;
    
  case 50: // P=3
    if (Ngap==0) {
      // Nrow=12,Nnull=2,NVRBDL=46,Ngap1= 27
      if (vrb>=23)
	offset=4;
      else
	offset=0;
      if (vrb<44) {
	if ((vrb&3)>=2)
	  return offset+((23*odd_slot) + 12*(vrb&3) + (vrb>>2) + 45)%46;
	else
	  return offset+((23*odd_slot) + 12*(vrb&3) + (vrb>>2))%46;
      }
      if (vrb==44)  // even: 44->11, odd: 45->34
	return offset+((23*odd_slot) + 22-12+1);
      if (vrb==45)  // even: 45->10, odd: 45->33
	return offset+((23*odd_slot) + 22+12);
      if (vrb==46)
	return offset+46+((23*odd_slot) + 23-12+1) % 46;
      if (vrb==47)
	return offset+46+((23*odd_slot) + 23+12) % 46;
      if (vrb==48)
	return offset+46+((23*odd_slot) + 23-12+1) % 46;
      if (vrb==49)
	return offset+46+((23*odd_slot) + 23+12) % 46;
    }
    else {
      // Nrow=6,Nnull=6,NVRBDL=18,Ngap1= 27
      if (vrb>=9)
	offset=18;
      else
	offset=0;
      
      if (vrb<12) {
	if ((vrb&3)>=2)
	  return offset+((9*odd_slot) + 6*(vrb&3) + (vrb>>2) + 17)%18;
	else
	  return offset+((9*odd_slot) + 6*(vrb&3) + (vrb>>2))%18;
      }
      else {
	return offset+((9*odd_slot) + 12*(vrb&1)+(vrb>>1) )%18 + 18*(vrb/18);
      }
    }
    break;
  case 75:
    // Ngap1 = 32, NVRBRL=64, P=4, Nrow= 16, Nnull=0
    if (Ngap ==0) {
      return ((32*odd_slot) + 16*(vrb&3) + (vrb>>2))%64 + (vrb/64); 
    } else {
      // Ngap2 = 16, NVRBDL=32, Nrow=8, Nnull=0
      return ((16*odd_slot) + 8*(vrb&3) + (vrb>>2))%32 + (vrb/32); 
    }
    break;
  case 100:
    // Ngap1 = 48, NVRBDL=96, Nrow=24, Nnull=0
    if (Ngap ==0) {
      return ((48*odd_slot) + 24*(vrb&3) + (vrb>>2))%96 + (vrb/96); 
    } else {
      // Ngap2 = 16, NVRBDL=32, Nrow=8, Nnull=0
      return ((16*odd_slot) + 8*(vrb&3) + (vrb>>2))%32 + (vrb/32); 
    }
    break;
  default:
    LOG_E(PHY,"Unknown N_RB_DL %d\n",N_RB_DL);
    return 0;
  }
  return 0;
  
}

564

565 566
void generate_RIV_tables()
{
567 568 569 570

  // 6RBs localized RIV
  uint8_t Lcrbs,RBstart;
  uint16_t RIV;
571 572 573 574 575
  uint32_t alloc0,allocdist0_0_even,allocdist0_0_odd,allocdist0_1_even,allocdist0_1_odd;
  uint32_t alloc1,allocdist1_0_even,allocdist1_0_odd,allocdist1_1_even,allocdist1_1_odd;
  uint32_t alloc2,allocdist2_0_even,allocdist2_0_odd,allocdist2_1_even,allocdist2_1_odd;
  uint32_t alloc3,allocdist3_0_even,allocdist3_0_odd,allocdist3_1_even,allocdist3_1_odd;
  uint32_t nVRB,nVRB_even_dist,nVRB_odd_dist;
576

577
  for (RBstart=0; RBstart<6; RBstart++) {
578
    alloc0 = 0;
579 580
    allocdist0_0_even = 0;
    allocdist0_0_odd  = 0;
581
    for (Lcrbs=1; Lcrbs<=(6-RBstart); Lcrbs++) {
582
      //printf("RBstart %d, len %d --> ",RBstart,Lcrbs);
583 584 585 586
      nVRB             = Lcrbs-1+RBstart;
      alloc0          |= (1<<nVRB);
      allocdist0_0_even |= (1<<get_prb(6,0,nVRB,0));
      allocdist0_0_odd  |= (1<<get_prb(6,1,nVRB,0));
587
      RIV=computeRIV(6,RBstart,Lcrbs);
588

589
      if (RIV>RIV_max6)
590
        RIV_max6 = RIV;
591 592 593

      //      printf("RIV %d (%d) : first_rb %d NBRB %d\n",RIV,localRIV2alloc_LUT25[RIV],RBstart,Lcrbs);
      localRIV2alloc_LUT6[RIV] = alloc0;
594 595
      distRIV2alloc_even_LUT6[RIV]  = allocdist0_0_even;
      distRIV2alloc_odd_LUT6[RIV]  = allocdist0_0_odd;
596 597 598 599 600 601
      RIV2nb_rb_LUT6[RIV]      = Lcrbs;
      RIV2first_rb_LUT6[RIV]   = RBstart;
    }
  }


602
  for (RBstart=0; RBstart<25; RBstart++) {
603
    alloc0 = 0;
604 605
    allocdist0_0_even = 0;
    allocdist0_0_odd  = 0;
606
    for (Lcrbs=1; Lcrbs<=(25-RBstart); Lcrbs++) {
607
      nVRB = Lcrbs-1+RBstart;
608
      //printf("RBstart %d, len %d --> ",RBstart,Lcrbs);
609 610 611
      alloc0     |= (1<<nVRB);
      allocdist0_0_even |= (1<<get_prb(25,0,nVRB,0));
      allocdist0_0_odd  |= (1<<get_prb(25,1,nVRB,0));
612

613
      //printf("alloc 0 %x, allocdist0_even %x, allocdist0_odd %x\n",alloc0,allocdist0_0_even,allocdist0_0_odd);
614
      RIV=computeRIV(25,RBstart,Lcrbs);
615

616
      if (RIV>RIV_max25)
617
        RIV_max25 = RIV;;
618

619 620 621 622 623 624

      localRIV2alloc_LUT25[RIV]      = alloc0;
      distRIV2alloc_even_LUT25[RIV]  = allocdist0_0_even;
      distRIV2alloc_odd_LUT25[RIV]   = allocdist0_0_odd;
      RIV2nb_rb_LUT25[RIV]           = Lcrbs;
      RIV2first_rb_LUT25[RIV]        = RBstart;
625
    }
626 627 628
  }


629
  for (RBstart=0; RBstart<50; RBstart++) {
630 631
    alloc0 = 0;
    alloc1 = 0;
632 633 634 635 636 637 638 639
    allocdist0_0_even=0;
    allocdist1_0_even=0;
    allocdist0_0_odd=0;
    allocdist1_0_odd=0;
    allocdist0_1_even=0;
    allocdist1_1_even=0;
    allocdist0_1_odd=0;
    allocdist1_1_odd=0;
640 641

    for (Lcrbs=1; Lcrbs<=(50-RBstart); Lcrbs++) {
642

643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661
      nVRB = Lcrbs-1+RBstart;


      if (nVRB<32)
        alloc0 |= (1<<nVRB);
      else
        alloc1 |= (1<<(nVRB-32));

      // Distributed Gap1, even slot
      nVRB_even_dist = get_prb(50,0,nVRB,0);
      if (nVRB_even_dist<32)
        allocdist0_0_even |= (1<<nVRB_even_dist);
      else
        allocdist1_0_even |= (1<<(nVRB_even_dist-32));

      // Distributed Gap1, odd slot
      nVRB_odd_dist = get_prb(50,1,nVRB,0);
      if (nVRB_odd_dist<32)
        allocdist0_0_odd |= (1<<nVRB_odd_dist);
662
      else
663
        allocdist1_0_odd |= (1<<(nVRB_odd_dist-32));
664

665 666 667 668
      // Distributed Gap2, even slot
      nVRB_even_dist = get_prb(50,0,nVRB,1);
      if (nVRB_even_dist<32)
        allocdist0_1_even |= (1<<nVRB_even_dist);
669
      else
670 671 672 673 674 675 676 677
        allocdist1_1_even |= (1<<(nVRB_even_dist-32));

      // Distributed Gap2, odd slot
      nVRB_odd_dist = get_prb(50,1,nVRB,1);
      if (nVRB_odd_dist<32)
        allocdist0_1_odd |= (1<<nVRB_odd_dist);
      else
        allocdist1_1_odd |= (1<<(nVRB_odd_dist-32));
678 679

      RIV=computeRIV(50,RBstart,Lcrbs);
680

681
      if (RIV>RIV_max50)
682
        RIV_max50 = RIV;
683 684

      //      printf("RIV %d : first_rb %d NBRB %d\n",RIV,RBstart,Lcrbs);
685 686 687 688 689 690 691 692 693 694
      localRIV2alloc_LUT50_0[RIV]      = alloc0;
      localRIV2alloc_LUT50_1[RIV]      = alloc1;
      distRIV2alloc_gap0_even_LUT50_0[RIV]  = allocdist0_0_even;
      distRIV2alloc_gap0_even_LUT50_1[RIV]  = allocdist1_0_even;
      distRIV2alloc_gap0_odd_LUT50_0[RIV]   = allocdist0_0_odd;
      distRIV2alloc_gap0_odd_LUT50_1[RIV]   = allocdist1_0_odd;
      distRIV2alloc_gap1_even_LUT50_0[RIV]  = allocdist0_1_even;
      distRIV2alloc_gap1_even_LUT50_1[RIV]  = allocdist1_1_even;
      distRIV2alloc_gap1_odd_LUT50_0[RIV]   = allocdist0_1_odd;
      distRIV2alloc_gap1_odd_LUT50_1[RIV]   = allocdist1_1_odd;
695 696 697 698 699 700
      RIV2nb_rb_LUT50[RIV]        = Lcrbs;
      RIV2first_rb_LUT50[RIV]     = RBstart;
    }
  }


701
  for (RBstart=0; RBstart<100; RBstart++) {
702 703 704 705
    alloc0 = 0;
    alloc1 = 0;
    alloc2 = 0;
    alloc3 = 0;
706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721
    allocdist0_0_even=0;
    allocdist1_0_even=0;
    allocdist2_0_even=0;
    allocdist3_0_even=0;
    allocdist0_0_odd=0;
    allocdist1_0_odd=0;
    allocdist2_0_odd=0;
    allocdist3_0_odd=0;
    allocdist0_1_even=0;
    allocdist1_1_even=0;
    allocdist2_1_even=0;
    allocdist3_1_even=0;
    allocdist0_1_odd=0;
    allocdist1_1_odd=0;
    allocdist2_1_odd=0;
    allocdist3_1_odd=0;
722

723
    for (Lcrbs=1; Lcrbs<=(100-RBstart); Lcrbs++) {
724

725 726 727 728 729
      nVRB = Lcrbs-1+RBstart;

      if (nVRB<32)
        alloc0 |= (1<<nVRB);
      else if (nVRB<64)
730
        alloc1 |= (1<<(nVRB-32));
731
      else if (nVRB<96)
732
        alloc2 |= (1<<(nVRB-64));
733
      else
734
        alloc3 |= (1<<(nVRB-96));
735 736 737 738

      // Distributed Gap1, even slot
      nVRB_even_dist = get_prb(100,0,nVRB,0);

739 740
//      if ((RBstart==0) && (Lcrbs<=8))
//	printf("nVRB %d => nVRB_even_dist %d\n",nVRB,nVRB_even_dist);
741 742 743 744 745 746 747 748


      if (nVRB_even_dist<32)
        allocdist0_0_even |= (1<<nVRB_even_dist);
      else if (nVRB_even_dist<64)
        allocdist1_0_even |= (1<<(nVRB_even_dist-32));
      else if (nVRB_even_dist<96)
	allocdist2_0_even |= (1<<(nVRB_even_dist-64));
749
      else
750
	allocdist3_0_even |= (1<<(nVRB_even_dist-96));
751
/*      if ((RBstart==0) && (Lcrbs<=8))
752 753 754 755 756 757
	printf("rballoc =>(%08x.%08x.%08x.%08x)\n",
	       allocdist0_0_even,
	       allocdist1_0_even,
	       allocdist2_0_even,
	       allocdist3_0_even
	       );
758
*/
759 760 761 762 763 764 765
      // Distributed Gap1, odd slot
      nVRB_odd_dist = get_prb(100,1,nVRB,0);
      if (nVRB_odd_dist<32)
        allocdist0_0_odd |= (1<<nVRB_odd_dist);
      else if (nVRB_odd_dist<64)
        allocdist1_0_odd |= (1<<(nVRB_odd_dist-32));
      else if (nVRB_odd_dist<96)
766
	allocdist2_0_odd |= (1<<(nVRB_odd_dist-64));
767
      else
768
	allocdist3_0_odd |= (1<<(nVRB_odd_dist-96));
769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793


      // Distributed Gap2, even slot
      nVRB_even_dist = get_prb(100,0,nVRB,1);
      if (nVRB_even_dist<32)
        allocdist0_1_even |= (1<<nVRB_even_dist);
      else if (nVRB_even_dist<64)
        allocdist1_1_even |= (1<<(nVRB_even_dist-32));
      else if (nVRB_even_dist<96)
	allocdist2_1_even |= (1<<(nVRB_even_dist-64));
      else
	allocdist3_1_even |= (1<<(nVRB_even_dist-96));


      // Distributed Gap2, odd slot
      nVRB_odd_dist = get_prb(100,1,nVRB,1);
      if (nVRB_odd_dist<32)
        allocdist0_1_odd |= (1<<nVRB_odd_dist);
      else if (nVRB_odd_dist<64)
        allocdist1_1_odd |= (1<<(nVRB_odd_dist-32));
      else if (nVRB_odd_dist<96)
	allocdist2_1_odd |= (1<<(nVRB_odd_dist-64));
      else
	allocdist3_1_odd |= (1<<(nVRB_odd_dist-96));

794 795

      RIV=computeRIV(100,RBstart,Lcrbs);
796

797
      if (RIV>RIV_max100)
798
        RIV_max100 = RIV;
799 800 801 802 803 804

      //      printf("RIV %d : first_rb %d NBRB %d\n",RIV,RBstart,Lcrbs);
      localRIV2alloc_LUT100_0[RIV] = alloc0;
      localRIV2alloc_LUT100_1[RIV] = alloc1;
      localRIV2alloc_LUT100_2[RIV] = alloc2;
      localRIV2alloc_LUT100_3[RIV] = alloc3;
805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821
      distRIV2alloc_gap0_even_LUT100_0[RIV]  = allocdist0_0_even;
      distRIV2alloc_gap0_even_LUT100_1[RIV]  = allocdist1_0_even;
      distRIV2alloc_gap0_even_LUT100_2[RIV]  = allocdist2_0_even;
      distRIV2alloc_gap0_even_LUT100_3[RIV]  = allocdist3_0_even;
      distRIV2alloc_gap0_odd_LUT100_0[RIV]   = allocdist0_0_odd;
      distRIV2alloc_gap0_odd_LUT100_1[RIV]   = allocdist1_0_odd;
      distRIV2alloc_gap0_odd_LUT100_2[RIV]   = allocdist2_0_odd;
      distRIV2alloc_gap0_odd_LUT100_3[RIV]   = allocdist3_0_odd;
      distRIV2alloc_gap1_even_LUT100_0[RIV]  = allocdist0_1_even;
      distRIV2alloc_gap1_even_LUT100_1[RIV]  = allocdist1_1_even;
      distRIV2alloc_gap1_even_LUT100_2[RIV]  = allocdist2_1_even;
      distRIV2alloc_gap1_even_LUT100_3[RIV]  = allocdist3_1_even;
      distRIV2alloc_gap1_odd_LUT100_0[RIV]   = allocdist0_1_odd;
      distRIV2alloc_gap1_odd_LUT100_1[RIV]   = allocdist1_1_odd;
      distRIV2alloc_gap1_odd_LUT100_2[RIV]   = allocdist2_1_odd;
      distRIV2alloc_gap1_odd_LUT100_3[RIV]   = allocdist3_1_odd;

822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837
      RIV2nb_rb_LUT100[RIV]      = Lcrbs;
      RIV2first_rb_LUT100[RIV]   = RBstart;
    }
  }
}

// Ngap = 3, N_VRB_DL=6, P=1, N_row=2, N_null=4*2-6=2
// permutation for even slots :
//    n_PRB'(0,2,4) = (0,1,2), n_PRB'(1,3,5) = (4,5,6)
//    n_PRB''(0,1,2,3) = (0,2,4,6)
//    => n_tilde_PRB(5) = (4)
//       n_tilde_PRB(4) = (1)
//       n_tilde_PRB(2,3) = (3,5)
//       n_tilde_PRB(0,1) = (0,2)


838

839
uint32_t get_rballoc(vrb_t vrb_type,uint16_t rb_alloc_dci)
840
{
841

842
  return(localRIV2alloc_LUT25[rb_alloc_dci]);
843 844 845

}

846 847
uint8_t get_transmission_mode(module_id_t Mod_id, uint8_t CC_id, rnti_t rnti)
{
848 849 850
  unsigned char UE_id;

  // find the UE_index corresponding to rnti
851
  UE_id = find_ue(rnti,PHY_vars_eNB_g[Mod_id][CC_id]);
852
  DevAssert( UE_id != (unsigned char)-1 );
853

854
  return(PHY_vars_eNB_g[Mod_id][CC_id]->transmission_mode[UE_id]);
855 856
}

857 858
int generate_eNB_dlsch_params_from_dci(int frame,
				       uint8_t subframe,
859 860 861 862 863 864 865 866 867
                                       void *dci_pdu,
                                       uint16_t rnti,
                                       DCI_format_t dci_format,
                                       LTE_eNB_DLSCH_t **dlsch,
                                       LTE_DL_FRAME_PARMS *frame_parms,
                                       PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
                                       uint16_t si_rnti,
                                       uint16_t ra_rnti,
                                       uint16_t p_rnti,
868 869
                                       uint16_t DL_pmi_single,
				       uint8_t beamforming_mode)
870
{
871

winckel's avatar
winckel committed
872 873 874
  uint8_t harq_pid = UINT8_MAX;
  uint32_t rballoc = UINT32_MAX;
  uint32_t RIV_max = 0;
875 876 877 878
  uint8_t NPRB,tbswap,tpmi=0;
  LTE_eNB_DLSCH_t *dlsch0=NULL,*dlsch1;
  uint8_t frame_type=frame_parms->frame_type;
  uint8_t vrb_type=0;
knopp's avatar
 
knopp committed
879
  uint8_t mcs=0,mcs1=0,mcs2=0;
880
  uint8_t I_mcs = 0;
knopp's avatar
 
knopp committed
881
  uint8_t rv=0,rv1=0,rv2=0;
882 883
  uint8_t rah=0;
  uint8_t TPC=0;
884
  LTE_DL_eNB_HARQ_t *dlsch0_harq=NULL,*dlsch1_harq=NULL;
knopp's avatar
 
knopp committed
885

886 887 888 889 890 891 892
  //   printf("Generate eNB DCI, format %d, rnti %x (pdu %p)\n",dci_format,rnti,dci_pdu);

  switch (dci_format) {

  case format0:
    return(-1);
    break;
893

894 895
  case format1A:  // This is DLSCH allocation for control traffic

896

897 898 899

    dlsch[0]->subframe_tx[subframe] = 1;

900

901 902 903
    switch (frame_parms->N_RB_DL) {
    case 6:
      if (frame_type == TDD) {
904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920
        vrb_type = ((DCI1A_1_5MHz_TDD_1_6_t *)dci_pdu)->vrb_type;
        mcs      = ((DCI1A_1_5MHz_TDD_1_6_t *)dci_pdu)->mcs;
        rballoc  = ((DCI1A_1_5MHz_TDD_1_6_t *)dci_pdu)->rballoc;
        rv       = ((DCI1A_1_5MHz_TDD_1_6_t *)dci_pdu)->rv;
        TPC      = ((DCI1A_1_5MHz_TDD_1_6_t *)dci_pdu)->TPC;
        harq_pid = ((DCI1A_1_5MHz_TDD_1_6_t *)dci_pdu)->harq_pid;

        //        printf("TDD 1A: mcs %d, rballoc %x,rv %d, NPRB %d\n",mcs,rballoc,rv,NPRB);
      } else {
        vrb_type = ((DCI1A_1_5MHz_FDD_t *)dci_pdu)->vrb_type;
        mcs      = ((DCI1A_1_5MHz_FDD_t *)dci_pdu)->mcs;
        rballoc  = ((DCI1A_1_5MHz_FDD_t *)dci_pdu)->rballoc;
        rv       = ((DCI1A_1_5MHz_FDD_t *)dci_pdu)->rv;
        TPC      = ((DCI1A_1_5MHz_FDD_t *)dci_pdu)->TPC;
        harq_pid = ((DCI1A_1_5MHz_FDD_t *)dci_pdu)->harq_pid;

        //      printf("FDD 1A: mcs %d, rballoc %x,rv %d, NPRB %d\n",mcs,rballoc,rv,NPRB);
921
      }
922 923

      dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
924

925 926 927 928 929 930 931
      if (vrb_type==LOCALIZED) {
	dlsch0_harq->rb_alloc[0]    = localRIV2alloc_LUT6[rballoc];
      }
      else {
	LOG_E(PHY,"Distributed RB allocation not done yet\n");
	mac_xface->macphy_exit("exiting");
      }
932 933
      dlsch0_harq->vrb_type       = vrb_type;
      dlsch0_harq->nb_rb          = RIV2nb_rb_LUT6[rballoc];//NPRB;
934 935
      RIV_max = RIV_max6;

936

937
      break;
938

939 940
    case 25:
      if (frame_type == TDD) {
941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957
        vrb_type = ((DCI1A_5MHz_TDD_1_6_t *)dci_pdu)->vrb_type;
        mcs      = ((DCI1A_5MHz_TDD_1_6_t *)dci_pdu)->mcs;
        rballoc  = ((DCI1A_5MHz_TDD_1_6_t *)dci_pdu)->rballoc;
        rv       = ((DCI1A_5MHz_TDD_1_6_t *)dci_pdu)->rv;
        TPC      = ((DCI1A_5MHz_TDD_1_6_t *)dci_pdu)->TPC;
        harq_pid = ((DCI1A_5MHz_TDD_1_6_t *)dci_pdu)->harq_pid;

        //      printf("TDD 1A: mcs %d, rballoc %x,rv %d, NPRB %d\n",mcs,rballoc,rv,NPRB);
      } else {
        vrb_type = ((DCI1A_5MHz_FDD_t *)dci_pdu)->vrb_type;
        mcs      = ((DCI1A_5MHz_FDD_t *)dci_pdu)->mcs;
        rballoc  = ((DCI1A_5MHz_FDD_t *)dci_pdu)->rballoc;
        rv       = ((DCI1A_5MHz_FDD_t *)dci_pdu)->rv;
        TPC      = ((DCI1A_5MHz_FDD_t *)dci_pdu)->TPC;
        harq_pid = ((DCI1A_5MHz_FDD_t *)dci_pdu)->harq_pid;

        //      printf("FDD 1A: mcs %d, rballoc %x,rv %d, NPRB %d\n",mcs,rballoc,rv,NPRB);
958 959
      }

960
      dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
961

962 963 964 965 966 967 968 969
      
      if (vrb_type==LOCALIZED) {
	dlsch0_harq->rb_alloc[0]    = localRIV2alloc_LUT25[rballoc];
      }
      else {
	LOG_E(PHY,"Distributed RB allocation not done yet\n");
	mac_xface->macphy_exit("exiting");
      }
970 971 972
      dlsch0_harq->vrb_type       = vrb_type;
      dlsch0_harq->nb_rb          = RIV2nb_rb_LUT25[rballoc];//NPRB;
      RIV_max                     = RIV_max25;
973
      break;
974

975 976
    case 50:
      if (frame_type == TDD) {
977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992
        vrb_type = ((DCI1A_10MHz_TDD_1_6_t *)dci_pdu)->vrb_type;
        mcs      = ((DCI1A_10MHz_TDD_1_6_t *)dci_pdu)->mcs;
        rballoc  = ((DCI1A_10MHz_TDD_1_6_t *)dci_pdu)->rballoc;
        rv       = ((DCI1A_10MHz_TDD_1_6_t *)dci_pdu)->rv;
        TPC      = ((DCI1A_10MHz_TDD_1_6_t *)dci_pdu)->TPC;
        harq_pid = ((DCI1A_10MHz_TDD_1_6_t *)dci_pdu)->harq_pid;

        //      printf("TDD 1A: mcs %d, rballoc %x,rv %d, NPRB %d\n",mcs,rballoc,rv,NPRB);
      } else {
        vrb_type = ((DCI1A_10MHz_FDD_t *)dci_pdu)->vrb_type;
        mcs      = ((DCI1A_10MHz_FDD_t *)dci_pdu)->mcs;
        rballoc  = ((DCI1A_10MHz_FDD_t *)dci_pdu)->rballoc;
        rv       = ((DCI1A_10MHz_FDD_t *)dci_pdu)->rv;
        TPC      = ((DCI1A_10MHz_FDD_t *)dci_pdu)->TPC;
        harq_pid = ((DCI1A_10MHz_FDD_t *)dci_pdu)->harq_pid;
        //printf("FDD 1A: mcs %d, rballoc %x,rv %d, TPC %d\n",mcs,rballoc,rv,TPC);
993 994
      }

995
      dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
996 997 998 999 1000 1001 1002 1003 1004
      if (vrb_type==LOCALIZED) {
	dlsch0_harq->rb_alloc[0]     = localRIV2alloc_LUT50_0[rballoc];
	dlsch0_harq->rb_alloc[1]     = localRIV2alloc_LUT50_1[rballoc];
      }
      else {
	LOG_E(PHY,"Distributed RB allocation not done yet\n");
	mac_xface->macphy_exit("exiting");
      }

1005

1006
      dlsch0_harq->vrb_type        = vrb_type;
1007
      dlsch0_harq->nb_rb                               = RIV2nb_rb_LUT50[rballoc];//NPRB;
1008 1009
      RIV_max = RIV_max50;
      break;
1010

1011 1012
    case 100:
      if (frame_type == TDD) {
1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027
        vrb_type = ((DCI1A_20MHz_TDD_1_6_t *)dci_pdu)->vrb_type;
        mcs      = ((DCI1A_20MHz_TDD_1_6_t *)dci_pdu)->mcs;
        rballoc  = ((DCI1A_20MHz_TDD_1_6_t *)dci_pdu)->rballoc;
        rv       = ((DCI1A_20MHz_TDD_1_6_t *)dci_pdu)->rv;
        TPC      = ((DCI1A_20MHz_TDD_1_6_t *)dci_pdu)->TPC;
        harq_pid = ((DCI1A_20MHz_TDD_1_6_t *)dci_pdu)->harq_pid;
        //      printf("TDD 1A: mcs %d, rballoc %x,rv %d, NPRB %d\n",mcs,rballoc,rv,NPRB);
      } else {
        vrb_type = ((DCI1A_20MHz_FDD_t *)dci_pdu)->vrb_type;
        mcs      = ((DCI1A_20MHz_FDD_t *)dci_pdu)->mcs;
        rballoc  = ((DCI1A_20MHz_FDD_t *)dci_pdu)->rballoc;
        rv       = ((DCI1A_20MHz_FDD_t *)dci_pdu)->rv;
        TPC      = ((DCI1A_20MHz_FDD_t *)dci_pdu)->TPC;
        harq_pid = ((DCI1A_20MHz_FDD_t *)dci_pdu)->harq_pid;
        //      printf("FDD 1A: mcs %d, rballoc %x,rv %d, NPRB %d\n",mcs,rballoc,rv,NPRB);
1028 1029
      }

knopp's avatar
 
knopp committed
1030
      dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
1031

1032
      dlsch0_harq->vrb_type         = vrb_type;
1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043
      if (vrb_type==LOCALIZED) {
	dlsch0_harq->rb_alloc[0]      = localRIV2alloc_LUT100_0[rballoc];
	dlsch0_harq->rb_alloc[1]      = localRIV2alloc_LUT100_1[rballoc];
	dlsch0_harq->rb_alloc[2]      = localRIV2alloc_LUT100_2[rballoc];
	dlsch0_harq->rb_alloc[3]      = localRIV2alloc_LUT100_3[rballoc];
      }
      else {
	LOG_E(PHY,"Distributed RB allocation not done yet\n");
	mac_xface->macphy_exit("exiting");
      }

1044

1045

1046
      dlsch0_harq->nb_rb                               = RIV2nb_rb_LUT100[rballoc];//NPRB;
1047 1048
      RIV_max = RIV_max100;
      break;
winckel's avatar
winckel committed
1049

1050 1051 1052 1053
    default:
      LOG_E(PHY,"Invalid N_RB_D %dL\n", frame_parms->N_RB_DL);
      DevParam (frame_parms->N_RB_DL, 0, 0);
      break;
1054 1055 1056
    }

    // harq_pid field is reserved
1057
    if ((rnti==si_rnti) || (rnti==ra_rnti) || (rnti==p_rnti)) { //
1058 1059 1060 1061 1062
      harq_pid=0;
      // see 36-212 V8.6.0 p. 45
      NPRB      = (TPC&1)+2;
      // 36-213 sec.7.1.7.2 p.26
      I_mcs     = mcs;
1063
    } else {
1064 1065
      if (harq_pid>=8) {
        LOG_E(PHY,"ERROR: Format 1A: harq_pid=%d >= 8\n", harq_pid);
1066
        return(-1);
1067
      }
1068

1069
      if (rballoc>RIV_max) {
1070 1071
        LOG_E(PHY,"ERROR: Format 1A: rb_alloc (%x) > RIV_max (%x)\n",rballoc,RIV_max);
        return(-1);
1072
      }
1073

1074
      NPRB      = dlsch0_harq->nb_rb;
1075 1076 1077 1078 1079 1080
      I_mcs     = get_I_TBS(mcs);
    }

    if (NPRB==0)
      return(-1);

knopp's avatar
 
knopp committed
1081
    //printf("NPRB %d, nb_rb %d, ndi %d\n",NPRB,dlsch0_harq->nb_rb,ndi);
1082
    dlsch0_harq->rvidx     = rv;
1083

1084 1085
    dlsch0_harq->Nl          = 1;
    //dlsch0_harq->layer_index = 0;
1086

1087
    dlsch0_harq->mimo_mode   = (frame_parms->mode1_flag == 1) ? SISO : ALAMOUTI;
1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106
    /*
    if ((rnti!=si_rnti)&&(rnti!=ra_rnti)&&(rnti!=p_rnti)) {  //handle toggling for C-RNTI
    if (dlsch0_harq->first_tx == 1) {
    LOG_D(PHY,"First TX for TC-RNTI %x, clearing first_tx flag\n",rnti);
    dlsch0_harq->first_tx=0;
    dlsch0_harq->Ndi = 1;
    }
    else {
    if (ndi == dlsch0_harq->DCINdi)
    dlsch0_harq->Ndi         = 0;
    else
    dlsch0_harq->Ndi         = 1;
    }

    dlsch0_harq->DCINdi=ndi;
    }
    else {
    dlsch0_harq->Ndi         = 1;
    }
1107
    */
1108
    dlsch0_harq->dl_power_off = 1;
1109 1110 1111



1112 1113
    dlsch0_harq->mcs           = mcs;
    dlsch0_harq->TBS           = TBStable[I_mcs][NPRB-1];
1114

1115
    dlsch[0]->current_harq_pid   = harq_pid;
1116 1117 1118 1119 1120 1121 1122 1123
    dlsch[0]->harq_ids[subframe] = harq_pid;

    dlsch[0]->active = 1;
    dlsch0 = dlsch[0];

    dlsch[0]->rnti = rnti;

    dlsch[0]->harq_ids[subframe] = harq_pid;
1124

1125
    if (dlsch0_harq->round == 0)
1126
      dlsch0_harq->status = ACTIVE;
1127 1128

    break;
1129

1130 1131 1132 1133 1134 1135
  case format1:

    switch (frame_parms->N_RB_DL) {

    case 6:
      if (frame_type == TDD) {
1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146
        mcs       = ((DCI1_1_5MHz_TDD_t *)dci_pdu)->mcs;
        rballoc   = ((DCI1_1_5MHz_TDD_t *)dci_pdu)->rballoc;
        rah       = ((DCI1_1_5MHz_TDD_t *)dci_pdu)->rah;
        rv        = ((DCI1_1_5MHz_TDD_t *)dci_pdu)->rv;
        harq_pid  = ((DCI1_1_5MHz_TDD_t *)dci_pdu)->harq_pid;
      } else {
        mcs      = ((DCI1_1_5MHz_FDD_t *)dci_pdu)->mcs;
        rah      = ((DCI1_1_5MHz_FDD_t *)dci_pdu)->rah;
        rballoc  = ((DCI1_1_5MHz_FDD_t *)dci_pdu)->rballoc;
        rv       = ((DCI1_1_5MHz_FDD_t *)dci_pdu)->rv;
        harq_pid = ((DCI1_1_5MHz_FDD_t *)dci_pdu)->harq_pid;
1147
      }
1148

1149
      break;