dci_tools.c 313 KB
Newer Older
1
/*******************************************************************************
2
    OpenAirInterface
ghaddab's avatar
ghaddab committed
3
    Copyright(c) 1999 - 2014 Eurecom
4

ghaddab's avatar
ghaddab committed
5
6
7
8
    OpenAirInterface is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
9
10


ghaddab's avatar
ghaddab committed
11
12
13
14
    OpenAirInterface is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
15

ghaddab's avatar
ghaddab committed
16
    You should have received a copy of the GNU General Public License
17
18
    along with OpenAirInterface.The full GNU General Public License is
   included in this distribution in the file called "COPYING". If not,
ghaddab's avatar
ghaddab committed
19
   see <http://www.gnu.org/licenses/>.
20
21

  Contact Information
ghaddab's avatar
ghaddab committed
22
23
  OpenAirInterface Admin: openair_admin@eurecom.fr
  OpenAirInterface Tech : openair_tech@eurecom.fr
24
  OpenAirInterface Dev  : openair4g-devel@lists.eurecom.fr
25

ghaddab's avatar
ghaddab committed
26
  Address      : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
27

ghaddab's avatar
ghaddab committed
28
 *******************************************************************************/
29
30

/*! \file PHY/LTE_TRANSPORT/dci_tools.c
31
 * \brief PHY Support routines (eNB/UE) for filling PDSCH/PUSCH/DLSCH/ULSCH data structures based on DCI PDUs generated by eNB MAC scheduler.
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
 * \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"
#include "MAC_INTERFACE/defs.h"
#include "MAC_INTERFACE/extern.h"
#ifdef DEBUG_DCI_TOOLS
#include "PHY/vars.h"
#endif
winckel's avatar
winckel committed
48
#include "assertions.h"
49
50
51

//#define DEBUG_DCI

52
53
54
uint32_t localRIV2alloc_LUT6[32];
uint32_t distRIV2alloc_even_LUT6[32];
uint32_t distRIV2alloc_odd_LUT6[32];
55
56
57
58
uint16_t RIV2nb_rb_LUT6[32];
uint16_t RIV2first_rb_LUT6[32];
uint16_t RIV_max6=0;

59
60
61
uint32_t localRIV2alloc_LUT25[512];
uint32_t distRIV2alloc_even_LUT25[512];
uint32_t distRIV2alloc_odd_LUT25[512];
62
63
64
65
66
uint16_t RIV2nb_rb_LUT25[512];
uint16_t RIV2first_rb_LUT25[512];
uint16_t RIV_max25=0;


67
68
69
70
71
72
73
74
75
76
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];
77
78
79
80
uint16_t RIV2nb_rb_LUT50[1600];
uint16_t RIV2first_rb_LUT50[1600];
uint16_t RIV_max50=0;

81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
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];
101
102
103
104
105
106
107
108
109
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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
                         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
126
127
128

// Table 8.6.3-2 36.213
uint16_t beta_ri[16] = {10,   //1.250
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
                        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
145
146
147

// Table 8.6.3-2 36.213
uint16_t beta_ack[16] = {16,  //2.000
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
                         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
163
164
165
166
167

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;
168
169
170

void conv_rballoc(uint8_t ra_header,uint32_t rb_alloc,uint32_t N_RB_DL,uint32_t *rb_alloc2)
{
171
172

  uint32_t i,shift,subset;
173
174
175
176
  rb_alloc2[0] = 0;
  rb_alloc2[1] = 0;
  rb_alloc2[2] = 0;
  rb_alloc2[3] = 0;
177
178
179
180
181
182
183
184
185
186
187

  //  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
188
189
190
191
192
193

      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);
194
      }
195

196
      if ((rb_alloc&1) != 0)
197
198
        rb_alloc2[0] |= (1<<24);
    } else {
199
200
      subset = rb_alloc&1;
      shift  = (rb_alloc>>1)&1;
201
202
203
204
205
206

      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);
207
      }
208

209
      if ((shift == 0) && (subset == 1))
210
        rb_alloc2[0]<<=1;
211
      else if ((shift == 1) && (subset == 0))
212
        rb_alloc2[0]<<=4;
213
      else if ((shift == 1) && (subset == 1))
214
        rb_alloc2[0]<<=3;
215
    }
216

217
    break;
218

219
220
221
222
223
224
225
  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));
      }
226

227
      /*
228
229
230
231
      for (i=1;i<=16;i++) {
        if ((rb_alloc&(1<<(16-i))) != 0)
      rb_alloc2[(3*i)>>5] |= (7<<((3*i)%32));
      }
232
      */
233
      // bit mask across
234
235
      if ((rb_alloc2[0]>>31)==1)
        rb_alloc2[1] |= 1;
236

237
      if ((rb_alloc&1) != 0)
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
        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);
        */
254
      //      printf("rb_alloc[1]=%x,rb_alloc[0]=%x\n",rb_alloc2[1],rb_alloc2[0]);
255
    } else {
256
257
      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");
258
      /*
259
260
261
262
263
264
265
266
267
268
269
270
271
      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;
272
273
      */
    }
274

275
276
277
278
    break;

  case 100:
    if (ra_header == 0) {// Type 0 Allocation
279
280
281
282
283
      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));
284
      }
285
    } else {
286
      LOG_E(PHY,"resource type 1 not supported for  N_RB_DL=100\n");
287
      //      mac_xface->macphy_exit("resource type 1 not supported for  N_RB_DL=100\n");
288
      /*
289
290
291
292
293
294
295
296
297
298
299
300
301
      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;
302
303
      */
    }
304

305
306
307
    break;

  default:
winckel's avatar
winckel committed
308
309
    LOG_E(PHY,"Invalid N_RB_DL %d\n", N_RB_DL);
    DevParam (N_RB_DL, 0, 0);
310
311
312
313
314
315
316
    break;
  }

}



317
318
uint32_t conv_nprb(uint8_t ra_header,uint32_t rb_alloc,int N_RB_DL)
{
319
320
321
322
323

  uint32_t nprb=0,i;

  switch (N_RB_DL) {
  case 6:
324
    for (i=0; i<6; i++) {
325
      if ((rb_alloc&(1<<i)) != 0)
326
        nprb += 1;
327
    }
328

329
    break;
330

331
332
  case 25:
    if (ra_header == 0) {// Type 0 Allocation
333
334
335
336

      for (i=12; i>0; i--) {
        if ((rb_alloc&(1<<i)) != 0)
          nprb += 2;
337
      }
338

339
      if ((rb_alloc&1) != 0)
340
341
342
343
344
        nprb += 1;
    } else {
      for (i=0; i<11; i++) {
        if ((rb_alloc&(1<<(i+2))) != 0)
          nprb += 1;
345
346
      }
    }
347

348
    break;
349

350
351
  case 50:
    if (ra_header == 0) {// Type 0 Allocation
352
353
354
355

      for (i=0; i<16; i++) {
        if ((rb_alloc&(1<<(16-i))) != 0)
          nprb += 3;
356
      }
357

358
      if ((rb_alloc&1) != 0)
359
        nprb += 2;
360

361
362
363
364
    } else {
      for (i=0; i<17; i++) {
        if ((rb_alloc&(1<<(i+2))) != 0)
          nprb += 1;
365
366
      }
    }
367

368
    break;
369

370
371
  case 100:
    if (ra_header == 0) {// Type 0 Allocation
372
373
374
375

      for (i=0; i<25; i++) {
        if ((rb_alloc&(1<<(24-i))) != 0)
          nprb += 4;
376
      }
377
378
379
380
    } else {
      for (i=0; i<25; i++) {
        if ((rb_alloc&(1<<(i+2))) != 0)
          nprb += 1;
381
382
      }
    }
383

384
    break;
winckel's avatar
winckel committed
385
386
387
388
389

  default:
    LOG_E(PHY,"Invalide N_RB_DL %d\n", N_RB_DL);
    DevParam (N_RB_DL, 0, 0);
    break;
390
391
392
393
394
  }

  return(nprb);
}

395
396
uint16_t computeRIV(uint16_t N_RB_DL,uint16_t RBstart,uint16_t Lcrbs)
{
397

398
  uint16_t RIV;
399

400
401
402
403
  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);
404

405
  return(RIV);
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
454
455
// 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)));
   
}

456
uint32_t get_prb(int N_RB_DL,int odd_slot,int vrb,int Ngap) {
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
564
565
566
567
568
569
570

  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;
  
}

571

572
573
void generate_RIV_tables()
{
574
575
576
577

  // 6RBs localized RIV
  uint8_t Lcrbs,RBstart;
  uint16_t RIV;
578
579
580
581
582
  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;
583

584
  for (RBstart=0; RBstart<6; RBstart++) {
585
    alloc0 = 0;
586
587
    allocdist0_0_even = 0;
    allocdist0_0_odd  = 0;
588
    for (Lcrbs=1; Lcrbs<=(6-RBstart); Lcrbs++) {
589
      //printf("RBstart %d, len %d --> ",RBstart,Lcrbs);
590
591
592
593
      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));
594
      RIV=computeRIV(6,RBstart,Lcrbs);
595

596
      if (RIV>RIV_max6)
597
        RIV_max6 = RIV;
598
599
600

      //      printf("RIV %d (%d) : first_rb %d NBRB %d\n",RIV,localRIV2alloc_LUT25[RIV],RBstart,Lcrbs);
      localRIV2alloc_LUT6[RIV] = alloc0;
601
602
      distRIV2alloc_even_LUT6[RIV]  = allocdist0_0_even;
      distRIV2alloc_odd_LUT6[RIV]  = allocdist0_0_odd;
603
604
605
606
607
608
      RIV2nb_rb_LUT6[RIV]      = Lcrbs;
      RIV2first_rb_LUT6[RIV]   = RBstart;
    }
  }


609
  for (RBstart=0; RBstart<25; RBstart++) {
610
    alloc0 = 0;
611
612
    allocdist0_0_even = 0;
    allocdist0_0_odd  = 0;
613
    for (Lcrbs=1; Lcrbs<=(25-RBstart); Lcrbs++) {
614
      nVRB = Lcrbs-1+RBstart;
615
      //printf("RBstart %d, len %d --> ",RBstart,Lcrbs);
616
617
618
      alloc0     |= (1<<nVRB);
      allocdist0_0_even |= (1<<get_prb(25,0,nVRB,0));
      allocdist0_0_odd  |= (1<<get_prb(25,1,nVRB,0));
619

620
      //printf("alloc 0 %x, allocdist0_even %x, allocdist0_odd %x\n",alloc0,allocdist0_0_even,allocdist0_0_odd);
621
      RIV=computeRIV(25,RBstart,Lcrbs);
622

623
      if (RIV>RIV_max25)
624
        RIV_max25 = RIV;;
625

626
627
628
629
630
631

      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;
632
    }
633
634
635
  }


636
  for (RBstart=0; RBstart<50; RBstart++) {
637
638
    alloc0 = 0;
    alloc1 = 0;
639
640
641
642
643
644
645
646
    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;
647
648

    for (Lcrbs=1; Lcrbs<=(50-RBstart); Lcrbs++) {
649

650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
      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);
669
      else
670
        allocdist1_0_odd |= (1<<(nVRB_odd_dist-32));
671

672
673
674
675
      // 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);
676
      else
677
678
679
680
681
682
683
684
        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));
685
686

      RIV=computeRIV(50,RBstart,Lcrbs);
687

688
      if (RIV>RIV_max50)
689
        RIV_max50 = RIV;
690
691

      //      printf("RIV %d : first_rb %d NBRB %d\n",RIV,RBstart,Lcrbs);
692
693
694
695
696
697
698
699
700
701
      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;
702
703
704
705
706
707
      RIV2nb_rb_LUT50[RIV]        = Lcrbs;
      RIV2first_rb_LUT50[RIV]     = RBstart;
    }
  }


708
  for (RBstart=0; RBstart<100; RBstart++) {
709
710
711
712
    alloc0 = 0;
    alloc1 = 0;
    alloc2 = 0;
    alloc3 = 0;
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
    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;
729

730
    for (Lcrbs=1; Lcrbs<=(100-RBstart); Lcrbs++) {
731

732
733
734
735
736
      nVRB = Lcrbs-1+RBstart;

      if (nVRB<32)
        alloc0 |= (1<<nVRB);
      else if (nVRB<64)
737
        alloc1 |= (1<<(nVRB-32));
738
      else if (nVRB<96)
739
        alloc2 |= (1<<(nVRB-64));
740
      else
741
        alloc3 |= (1<<(nVRB-96));
742
743
744
745

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

746
747
//      if ((RBstart==0) && (Lcrbs<=8))
//	printf("nVRB %d => nVRB_even_dist %d\n",nVRB,nVRB_even_dist);
748
749
750
751
752
753
754
755


      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));
756
      else
757
	allocdist3_0_even |= (1<<(nVRB_even_dist-96));
758
/*      if ((RBstart==0) && (Lcrbs<=8))
759
760
761
762
763
764
	printf("rballoc =>(%08x.%08x.%08x.%08x)\n",
	       allocdist0_0_even,
	       allocdist1_0_even,
	       allocdist2_0_even,
	       allocdist3_0_even
	       );
765
*/
766
767
768
769
770
771
772
      // 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)
773
	allocdist2_0_odd |= (1<<(nVRB_odd_dist-64));
774
      else
775
	allocdist3_0_odd |= (1<<(nVRB_odd_dist-96));
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800


      // 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));

801
802

      RIV=computeRIV(100,RBstart,Lcrbs);
803

804
      if (RIV>RIV_max100)
805
        RIV_max100 = RIV;
806
807
808
809
810
811

      //      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;
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
      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;

829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
      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)


845

846
uint32_t get_rballoc(vrb_t vrb_type,uint16_t rb_alloc_dci)
847
{
848

849
  return(localRIV2alloc_LUT25[rb_alloc_dci]);
850
851
852

}

853
854
uint8_t get_transmission_mode(module_id_t Mod_id, uint8_t CC_id, rnti_t rnti)
{
855
856
857
  unsigned char UE_id;

  // find the UE_index corresponding to rnti
858
  UE_id = find_ue(rnti,PHY_vars_eNB_g[Mod_id][CC_id]);
859
  DevAssert( UE_id != (unsigned char)-1 );
860

861
  return(PHY_vars_eNB_g[Mod_id][CC_id]->transmission_mode[UE_id]);
862
863
}

864
865
int generate_eNB_dlsch_params_from_dci(int frame,
				       uint8_t subframe,
866
867
868
869
870
871
872
873
874
875
876
                                       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,
                                       uint16_t DL_pmi_single)
{
877

winckel's avatar
winckel committed
878
879
880
  uint8_t harq_pid = UINT8_MAX;
  uint32_t rballoc = UINT32_MAX;
  uint32_t RIV_max = 0;
881
882
883
884
  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
885
  uint8_t mcs=0,mcs1=0,mcs2=0;
886
  uint8_t I_mcs = 0;
knopp's avatar
   
knopp committed
887
  uint8_t rv=0,rv1=0,rv2=0;
888
889
  uint8_t rah=0;
  uint8_t TPC=0;
890
  LTE_DL_eNB_HARQ_t *dlsch0_harq=NULL,*dlsch1_harq=NULL;
knopp's avatar
   
knopp committed
891

892
893
894
895
896
897
898
  //   printf("Generate eNB DCI, format %d, rnti %x (pdu %p)\n",dci_format,rnti,dci_pdu);

  switch (dci_format) {

  case format0:
    return(-1);
    break;
899

900
901
  case format1A:  // This is DLSCH allocation for control traffic

902

903
904
905

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

906

907
908
909
    switch (frame_parms->N_RB_DL) {
    case 6:
      if (frame_type == TDD) {
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
        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);
927
      }
928
929

      dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
930

931
932
933
934
935
936
937
      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");
      }
938
939
      dlsch0_harq->vrb_type       = vrb_type;
      dlsch0_harq->nb_rb          = RIV2nb_rb_LUT6[rballoc];//NPRB;
940
941
      RIV_max = RIV_max6;

942

943
      break;
944

945
946
    case 25:
      if (frame_type == TDD) {
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
        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);
964
965
      }

966
      dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
967

968
969
970
971
972
973
974
975
      
      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");
      }
976
977
978
      dlsch0_harq->vrb_type       = vrb_type;
      dlsch0_harq->nb_rb          = RIV2nb_rb_LUT25[rballoc];//NPRB;
      RIV_max                     = RIV_max25;
979
      break;
980

981
982
    case 50:
      if (frame_type == TDD) {
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
        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);
999
1000
      }

1001
      dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
1002
1003
1004
1005
1006
1007
1008
1009
1010
      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");
      }

1011

1012
      dlsch0_harq->vrb_type        = vrb_type;
1013
      dlsch0_harq->nb_rb                               = RIV2nb_rb_LUT50[rballoc];//NPRB;
1014
1015
      RIV_max = RIV_max50;
      break;
1016

1017
1018
    case 100:
      if (frame_type == TDD) {
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
        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);
1034
1035
      }

knopp's avatar
   
knopp committed
1036
      dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
1037

1038
      dlsch0_harq->vrb_type         = vrb_type;
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
      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");
      }

1050

1051

1052
      dlsch0_harq->nb_rb                               = RIV2nb_rb_LUT100[rballoc];//NPRB;
1053
1054
      RIV_max = RIV_max100;
      break;
winckel's avatar
winckel committed
1055

1056
1057
1058
1059
    default:
      LOG_E(PHY,"Invalid N_RB_D %dL\n", frame_parms->N_RB_DL);
      DevParam (frame_parms->N_RB_DL, 0, 0);
      break;
1060
1061
1062
    }

    // harq_pid field is reserved
1063
    if ((rnti==si_rnti) || (rnti==ra_rnti) || (rnti==p_rnti)) { //
1064
1065
1066
1067
1068
      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;
1069
    } else {
1070
      if (harq_pid>1) {
1071
1072
        LOG_E(PHY,"ERROR: Format 1A: harq_pid > 1\n");
        return(-1);
1073
      }
1074

1075
      if (rballoc>RIV_max) {
1076
1077
        LOG_E(PHY,"ERROR: Format 1A: rb_alloc (%x) > RIV_max (%x)\n",rballoc,RIV_max);
        return(-1);
1078
      }
1079

1080
      NPRB      = dlsch0_harq->nb_rb;
1081
1082
1083
1084
1085
1086
      I_mcs     = get_I_TBS(mcs);
    }

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

knopp's avatar
   
knopp committed
1087
    //printf("NPRB %d, nb_rb %d, ndi %d\n",NPRB,dlsch0_harq->nb_rb,ndi);
1088
    dlsch0_harq->rvidx     = rv;
1089

1090
1091
    dlsch0_harq->Nl          = 1;
    //dlsch0_harq->layer_index = 0;
1092

1093
    dlsch0_harq->mimo_mode   = (frame_parms->mode1_flag == 1) ? SISO : ALAMOUTI;
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
    /*
    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;
    }
1113
    */
1114
    dlsch0_harq->dl_power_off = 1;
1115
1116
1117



1118
1119
    dlsch0_harq->mcs           = mcs;
    dlsch0_harq->TBS           = TBStable[I_mcs][NPRB-1];
1120

1121
    dlsch[0]->current_harq_pid   = harq_pid;
1122
1123
1124
1125
1126
1127
1128
1129
    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;
1130

1131
1132
1133
    if (dlsch0_harq->round == 0) {
      /* necessary test? */
      if (dlsch0_harq->status == SCH_IDLE)
Cedric Roux's avatar
Cedric Roux committed
1134
        remove_harq_pid_from_freelist(dlsch[0], harq_pid);
1135
      dlsch0_harq->status = ACTIVE;
1136
    }
1137
1138

    break;
1139

1140
1141
1142
1143
1144
1145
  case format1:

    switch (frame_parms->N_RB_DL) {

    case 6:
      if (frame_type == TDD) {
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
        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;
1157
      }
1158

1159
      break;
1160

1161
    case 25:
1162

1163
      if (frame_type == TDD) {
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
        mcs       = ((DCI1_5MHz_TDD_t *)dci_pdu)->mcs;
        rballoc   = ((DCI1_5MHz_TDD_t *)dci_pdu)->rballoc;
        rah       = ((DCI1_5MHz_TDD_t *)dci_pdu)->rah;
        rv        = ((DCI1_5MHz_TDD_t *)dci_pdu)->rv;
        harq_pid  = ((DCI1_5MHz_TDD_t *)dci_pdu)->harq_pid;
        LOG_D(PHY,"eNB: subframe %d UE %x, Format1 DCI: ndi %d, harq_pid %d\n",subframe,rnti,((DCI1_5MHz_TDD_t *)dci_pdu)->ndi,harq_pid);
      } else {
        mcs      = ((DCI1_5MHz_FDD_t *)dci_pdu)->mcs;
        rah      = ((DCI1_5MHz_FDD_t *)dci_pdu)->rah;
        rballoc  = ((DCI1_5MHz_FDD_t *)dci_pdu)->rballoc;
        rv       = ((DCI1_5MHz_FDD_t *)dci_pdu)->rv;
        harq_pid = ((DCI1_5MHz_FDD_t *)dci_pdu)->harq_pid;
        LOG_D(PHY,"eNB: subframe %d UE %x, Format1 DCI: ndi %d, harq_pid %d\n",subframe,rnti,((DCI1_5MHz_FDD_t *)dci_pdu)->ndi,harq_pid);
1177

1178
      }
1179

1180
      break;
1181

1182
1183
    case 50:
      if (frame_type == TDD) {
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
        mcs       = ((DCI1_10MHz_TDD_t *)dci_pdu)->mcs;
        rballoc   = ((DCI1_10MHz_TDD_t *)dci_pdu)->rballoc;
        rah       = ((DCI1_10MHz_TDD_t *)dci_pdu)->rah;
        rv        = ((DCI1_10MHz_TDD_t *)dci_pdu)->rv;
        harq_pid  = ((DCI1_10MHz_TDD_t *)dci_pdu)->harq_pid;
      } else {
        mcs      = ((DCI1_10MHz_FDD_t *)dci_pdu)->mcs;
        rah      = ((DCI1_10MHz_FDD_t *)dci_pdu)->rah;
        rballoc  = ((DCI1_10MHz_FDD_t *)dci_pdu)->rballoc;
        rv       = ((DCI1_10MHz_FDD_t *)dci_pdu)->rv;
        harq_pid = ((DCI1_10MHz_FDD_t *)dci_pdu)->harq_pid;
1195
      }
1196

1197
1198
1199
1200
      break;

    case 100:
      if (frame_type == TDD) {
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
        mcs       = ((DCI1_20MHz_TDD_t *)dci_pdu)->mcs;
        rballoc   = ((DCI1_20MHz_TDD_t *)dci_pdu)->rballoc;
        rah       = ((DCI1_20MHz_TDD_t *)dci_pdu)->rah;
        rv        = ((DCI1_20MHz_TDD_t *)dci_pdu)->rv;
        harq_pid  = ((DCI1_20MHz_TDD_t *)dci_pdu)->harq_pid;
      } else {
        mcs      = ((DCI1_20MHz_FDD_t *)dci_pdu)->mcs;
        rah      = ((DCI1_20MHz_FDD_t *)dci_pdu)->rah;
        rballoc  = ((DCI1_20MHz_FDD_t *)dci_pdu)->rballoc;
        rv       = ((DCI1_20MHz_FDD_t *)dci_pdu)->rv;
        harq_pid = ((DCI1_20MHz_FDD_t *)dci_pdu)->harq_pid;
1212
      }
1213

1214
1215
1216
1217
1218
1219
1220
1221
1222
      break;

    }

    if (harq_pid>=8) {
      LOG_E(PHY,"ERROR: Format 1: harq_pid >= 8\n");
      return(-1);
    }

1223
1224
    dlsch0_harq = dlsch[0]->harq_processes[harq_pid];

1225
1226
1227
1228
    // msg("DCI: Setting subframe_tx for subframe %d\n",subframe);
    dlsch[0]->subframe_tx[subframe] = 1;

    conv_rballoc(rah,
1229
1230
                 rballoc,frame_parms->N_RB_DL,
                 dlsch0_harq->rb_alloc);
1231

1232
    dlsch0_harq->nb_rb = conv_nprb(rah,
1233
1234
                                   rballoc,
                                   frame_parms->N_RB_DL);
1235

1236
    NPRB      = dlsch0_harq->nb_rb;
1237
1238
1239
1240
1241
1242


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


1243
    dlsch0_harq->rvidx       = rv;
1244

1245
1246
1247
1248
    dlsch0_harq->Nl          = 1;
    //    dlsch[0]->layer_index = 0;
    dlsch0_harq->mimo_mode   = (frame_parms->mode1_flag == 1) ? SISO : ALAMOUTI;
    dlsch0_harq->dl_power_off = 1;
1249
1250
1251
1252
1253
    /*
      if (dlsch[0]->harq_processes[harq_pid]->first_tx == 1) {
      LOG_D(PHY,"First TX for C-RNTI %x, clearing first_tx flag, shouldn't happen!\n",rnti);
      dlsch[0]->harq_processes[harq_pid]->first_tx=0;
      dlsch[0]->harq_processes[harq_pid]->Ndi = 1;
1254
      }
1255
1256
1257
1258
1259
1260
1261
1262
1263
      else {
      LOG_D(PHY,"Checking for Toggled Ndi for C-RNTI %x, old value %d, DCINdi %d\n",rnti,dlsch[0]->harq_processes[harq_pid]->DCINdi,ndi);
      if (ndi == dlsch[0]->harq_processes[harq_pid]->DCINdi)
      dlsch[0]->harq_processes[harq_pid]->Ndi         = 0;
      else
      dlsch[0]->harq_processes[harq_pid]->Ndi         = 1;
      }
      dlsch[0]->harq_processes[harq_pid]->DCINdi=ndi;
    */
1264
1265
1266

    dlsch[0]->active = 1;

1267
1268


1269
    if (dlsch0_harq->round == 0) {
1270
1271
      /* necessary test? */
      if (dlsch0_harq->status == SCH_IDLE)
Cedric Roux's avatar
Cedric Roux committed
1272
        remove_harq_pid_from_freelist(dlsch[0], harq_pid);
1273
      dlsch0_harq->status = ACTIVE;
1274
1275
      //            printf("Setting DLSCH process %d to ACTIVE\n",harq_pid);
      // MCS and TBS don't change across HARQ rounds
1276
1277
      dlsch0_harq->mcs         = mcs;
      dlsch0_harq->TBS         = TBStable[get_I_TBS(dlsch0_harq->mcs)][NPRB-1];
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293

    }


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



    dlsch0 = dlsch[0];

    dlsch[0]->rnti = rnti;


    break;

knopp's avatar
   
knopp committed
1294
1295
1296
1297
1298
1299
  case format2:

    switch (frame_parms->N_RB_DL) {

    case 6:
      if (frame_parms->nb_antennas_tx == 2) {
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
        if (frame_type == TDD) {
          mcs1      = ((DCI2_1_5MHz_2A_TDD_t *)dci_pdu)->mcs1;
          mcs2      = ((DCI2_1_5MHz_2A_TDD_t *)dci_pdu)->mcs2;
          rballoc   = ((DCI2_1_5MHz_2A_TDD_t *)dci_pdu)->rballoc;
          rv1       = ((DCI2_1_5MHz_2A_TDD_t *)dci_pdu)->rv1;
          rv2       = ((DCI2_1_5MHz_2A_TDD_t *)dci_pdu)->rv2;
          harq_pid  = ((DCI2_1_5MHz_2A_TDD_t *)dci_pdu)->harq_pid;
          tbswap    = ((DCI2_1_5MHz_2A_TDD_t *)dci_pdu)->tb_swap;
          tpmi      = ((DCI2_1_5MHz_2A_TDD_t *)dci_pdu)->tpmi;
        } else {
          mcs1      = ((DCI2_1_5MHz_2A_FDD_t *)dci_pdu)->mcs1;
          mcs2      = ((DCI2_1_5MHz_2A_FDD_t *)dci_pdu)->mcs2;