pdcchsim.c 49.2 KB
Newer Older
ghaddab's avatar
ghaddab committed
1
/*******************************************************************************
2
    OpenAirInterface
ghaddab's avatar
ghaddab committed
3
4
5
6
7
8
9
10
11
12
13
14
15
16
    Copyright(c) 1999 - 2014 Eurecom

    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.


    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.

    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
20
21
22
23
   see <http://www.gnu.org/licenses/>.

  Contact Information
  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
ghaddab's avatar
ghaddab committed
27
28

 *******************************************************************************/
29
30
31
32
33
34
35
36
#include <string.h>
#include <math.h>
#include <unistd.h>
#include "SIMULATION/TOOLS/defs.h"
#include "SIMULATION/RF/defs.h"
#include "PHY/types.h"
#include "PHY/defs.h"
#include "PHY/vars.h"
37

38
39
40
41
42
43
44
45
46
47
48
49
50
#ifdef EMOS
#include "SCHED/phy_procedures_emos.h"
#endif
#include "SCHED/defs.h"
#include "SCHED/vars.h"
#include "LAYER2/MAC/vars.h"
#include "OCG_vars.h"


#ifdef XFORMS
#include "PHY/TOOLS/lte_phy_scope.h"
#endif

51
#include "unitary_defs.h"
52
53
#define N_TRIALS 100

54
55
PHY_VARS_eNB *eNB,*eNB1,*eNB2;
PHY_VARS_UE *UE;
56
57

#define UL_RB_ALLOC 0x1ff;
58
#define CCCH_RB_ALLOC computeRIV(eNB->frame_parms.N_RB_UL,0,2)
59
#define DLSCH_RB_ALLOC ((uint16_t)0x1fbf) // igore DC component,RB13
60
61
62

DCI_PDU DCI_pdu;

gauthier's avatar
gauthier committed
63
DCI_PDU *get_dci(LTE_DL_FRAME_PARMS *lte_frame_parms,uint8_t log2L, uint8_t log2Lcommon, uint8_t format_selector, uint32_t rnti)
64
{
65
66
67
  uint32_t BCCH_alloc_pdu[2];
  uint32_t DLSCH_alloc_pdu[2];
  uint32_t UL_alloc_pdu[2];
68
69

  int i;
Cedric Roux's avatar
Cedric Roux committed
70
71
72
  int dci_length_bytes=0,dci_length=0;
  int BCCH_pdu_size_bits=0, BCCH_pdu_size_bytes=0;
  int UL_pdu_size_bits=0, UL_pdu_size_bytes=0;
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
  int mcs = 3;

  DCI_pdu.Num_ue_spec_dci = 0;
  DCI_pdu.Num_common_dci = 0;

  if (lte_frame_parms->frame_type == TDD) {
    switch (lte_frame_parms->N_RB_DL) {
    case 6:
      dci_length = sizeof_DCI1_1_5MHz_TDD_t;
      dci_length_bytes = sizeof(DCI1_1_5MHz_TDD_t);
      ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->rah               = 0;
      ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->rballoc           = DLSCH_RB_ALLOC;
      ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->mcs               = mcs;
      ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->harq_pid          = 0;
      ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->ndi               = 1;
      ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->rv                = 0;
      ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->TPC               = 0;
      ((DCI1_1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->dai               = 0;
91

92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
      ((DCI1A_1_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->type           = 1;
      ((DCI1A_1_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->vrb_type       = 0;
      ((DCI1A_1_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->rballoc        = computeRIV(lte_frame_parms->N_RB_DL, 0, 4);
      ((DCI1A_1_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->ndi            = 1;
      ((DCI1A_1_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->rv             = 0;
      ((DCI1A_1_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->mcs            = 2;
      ((DCI1A_1_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->harq_pid       = 0;
      ((DCI1A_1_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->TPC            = 1;
      BCCH_pdu_size_bits  = sizeof_DCI1A_1_5MHz_TDD_1_6_t;
      BCCH_pdu_size_bytes = sizeof(DCI1A_1_5MHz_TDD_1_6_t);

      ((DCI0_1_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->type              = 0;
      ((DCI0_1_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->hopping           = 0;
      ((DCI0_1_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->rballoc           = DLSCH_RB_ALLOC;
      ((DCI0_1_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->mcs               = mcs;
      ((DCI0_1_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->ndi               = 1;
      ((DCI0_1_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->TPC               = 2;
      ((DCI0_1_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->cshift            = 3;
      ((DCI0_1_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->dai               = 1;
      ((DCI0_1_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->cqi_req           = 1;
      UL_pdu_size_bits  = sizeof_DCI0_1_5MHz_TDD_1_6_t;
      UL_pdu_size_bytes = sizeof(DCI0_1_5MHz_TDD_1_6_t);
      break;
115

116
117
118
119
120
121
122
123
124
125
126
    case 25:
      dci_length = sizeof_DCI1_5MHz_TDD_t;
      dci_length_bytes = sizeof(DCI1_5MHz_TDD_t);
      ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->rah                 = 0;
      ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->rballoc             = DLSCH_RB_ALLOC;
      ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->mcs                 = mcs;
      ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->harq_pid            = 0;
      ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->ndi                 = 1;
      ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->rv                  = 0;
      ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->TPC                 = 0;
      ((DCI1_5MHz_TDD_t *)&DLSCH_alloc_pdu[0])->dai                 = 0;
127

128
129
130
131
132
133
134
135
136
137
      ((DCI1A_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->type            = 1;
      ((DCI1A_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->vrb_type        = 0;
      ((DCI1A_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->rballoc         = computeRIV(lte_frame_parms->N_RB_DL, 18, 4);
      ((DCI1A_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->ndi             = 1;
      ((DCI1A_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->rv              = 0;
      ((DCI1A_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->mcs             = 2;
      ((DCI1A_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->harq_pid        = 0;
      ((DCI1A_5MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->TPC             = 1;
      BCCH_pdu_size_bits  = sizeof_DCI1A_5MHz_TDD_1_6_t;
      BCCH_pdu_size_bytes = sizeof(DCI1A_5MHz_TDD_1_6_t);
138

139
140
141
142
143
144
145
146
147
148
149
150
      ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->type              = 0;
      ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->hopping           = 0;
      ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->rballoc           = DLSCH_RB_ALLOC;
      ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->mcs               = mcs;
      ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->ndi               = 1;
      ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->TPC               = 2;
      ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->cshift            = 3;
      ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->dai               = 1;
      ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->cqi_req           = 1;
      UL_pdu_size_bits  = sizeof_DCI0_5MHz_TDD_1_6_t;
      UL_pdu_size_bytes = sizeof(DCI0_5MHz_TDD_1_6_t);
      break;
151

152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
    case 50:
      dci_length = sizeof_DCI1_10MHz_TDD_t;
      dci_length_bytes = sizeof(DCI1_10MHz_TDD_t);
      ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu[0])->rah              = 0;
      ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu[0])->rballoc          = DLSCH_RB_ALLOC;
      ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu[0])->mcs              = mcs;
      ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu[0])->harq_pid         = 0;
      ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu[0])->ndi              = 1;
      ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu[0])->rv               = 0;
      ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu[0])->TPC              = 0;
      ((DCI1_10MHz_TDD_t *)&DLSCH_alloc_pdu[0])->dai              = 0;

      ((DCI1A_10MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->type          = 1;
      ((DCI1A_10MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->vrb_type      = 0;
      ((DCI1A_10MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->rballoc       = computeRIV(lte_frame_parms->N_RB_DL, 30, 4);
      ((DCI1A_10MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->ndi           = 1;
      ((DCI1A_10MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->rv            = 0;
      ((DCI1A_10MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->mcs           = 2;
      ((DCI1A_10MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->harq_pid      = 0;
      ((DCI1A_10MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->TPC           = 1;
      BCCH_pdu_size_bits  = sizeof_DCI1A_10MHz_TDD_1_6_t;
      BCCH_pdu_size_bytes = sizeof(DCI1A_10MHz_TDD_1_6_t);
174

175
176
177
178
179
180
181
182
183
184
185
186
      ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->type              = 0;
      ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->hopping           = 0;
      ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->rballoc           = DLSCH_RB_ALLOC;
      ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->mcs               = mcs;
      ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->ndi               = 1;
      ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->TPC               = 2;
      ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->cshift            = 3;
      ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->dai               = 1;
      ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->cqi_req           = 1;
      UL_pdu_size_bits  = sizeof_DCI0_10MHz_TDD_1_6_t;
      UL_pdu_size_bytes = sizeof(DCI0_10MHz_TDD_1_6_t);
      break;
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
223
    case 100:
      dci_length = sizeof_DCI1_20MHz_TDD_t;
      dci_length_bytes = sizeof(DCI1_20MHz_TDD_t);
      ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu[0])->rah                = 0;
      ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu[0])->rballoc            = DLSCH_RB_ALLOC;
      ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu[0])->mcs                = mcs;
      ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu[0])->harq_pid           = 0;
      ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu[0])->ndi                = 1;
      ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu[0])->rv                 = 0;
      ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu[0])->TPC                = 0;
      ((DCI1_20MHz_TDD_t *)&DLSCH_alloc_pdu[0])->dai                = 0;

      ((DCI1A_20MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->type            = 1;
      ((DCI1A_20MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->vrb_type        = 0;
      ((DCI1A_20MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->rballoc         = computeRIV(lte_frame_parms->N_RB_DL, 70, 4);
      ((DCI1A_20MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->ndi             = 1;
      ((DCI1A_20MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->rv              = 0;
      ((DCI1A_20MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->mcs             = 2;
      ((DCI1A_20MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->harq_pid        = 0;
      ((DCI1A_20MHz_TDD_1_6_t*)&BCCH_alloc_pdu[0])->TPC             = 1;
      BCCH_pdu_size_bits  = sizeof_DCI1A_20MHz_TDD_1_6_t;
      BCCH_pdu_size_bytes = sizeof(DCI1A_20MHz_TDD_1_6_t);

      ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->type              = 0;
      ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->hopping           = 0;
      ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->rballoc           = DLSCH_RB_ALLOC;
      ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->mcs               = mcs;
      ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->ndi               = 1;
      ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->TPC               = 2;
      ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->cshift            = 3;
      ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->dai               = 1;
      ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu[0])->cqi_req           = 1;
      UL_pdu_size_bits  = sizeof_DCI0_20MHz_TDD_1_6_t;
      UL_pdu_size_bytes = sizeof(DCI0_20MHz_TDD_1_6_t);
      break;
    }
224
  } else { //FDD
225
226
227
228
229
230
231
232
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
    switch (lte_frame_parms->N_RB_DL) {
    case 6:
      dci_length = sizeof_DCI1_1_5MHz_FDD_t;
      dci_length_bytes = sizeof(DCI1_1_5MHz_FDD_t);
      ((DCI1_1_5MHz_FDD_t *)&DLSCH_alloc_pdu[0])->rah           = 0;
      ((DCI1_1_5MHz_FDD_t *)&DLSCH_alloc_pdu[0])->rballoc       = DLSCH_RB_ALLOC;
      ((DCI1_1_5MHz_FDD_t *)&DLSCH_alloc_pdu[0])->mcs           = mcs;
      ((DCI1_1_5MHz_FDD_t *)&DLSCH_alloc_pdu[0])->harq_pid      = 0;
      ((DCI1_1_5MHz_FDD_t *)&DLSCH_alloc_pdu[0])->ndi           = 1;
      ((DCI1_1_5MHz_FDD_t *)&DLSCH_alloc_pdu[0])->rv            = 0;
      ((DCI1_1_5MHz_FDD_t *)&DLSCH_alloc_pdu[0])->TPC           = 0;

      ((DCI1A_1_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->type           = 1;
      ((DCI1A_1_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->vrb_type       = 0;
      ((DCI1A_1_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->rballoc        = computeRIV(lte_frame_parms->N_RB_DL, 0, 4);
      ((DCI1A_1_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->ndi            = 1;
      ((DCI1A_1_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->rv             = 0;
      ((DCI1A_1_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->mcs            = 2;
      ((DCI1A_1_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->harq_pid       = 0;
      ((DCI1A_1_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->TPC            = 1;
      BCCH_pdu_size_bits  = sizeof_DCI1A_1_5MHz_FDD_t;
      BCCH_pdu_size_bytes = sizeof(DCI1A_1_5MHz_FDD_t);

      ((DCI0_1_5MHz_FDD_t*)&UL_alloc_pdu[0])->type              = 0;
      ((DCI0_1_5MHz_FDD_t*)&UL_alloc_pdu[0])->hopping           = 0;
      ((DCI0_1_5MHz_FDD_t*)&UL_alloc_pdu[0])->rballoc           = DLSCH_RB_ALLOC;
      ((DCI0_1_5MHz_FDD_t*)&UL_alloc_pdu[0])->mcs               = mcs;
      ((DCI0_1_5MHz_FDD_t*)&UL_alloc_pdu[0])->ndi               = 1;
      ((DCI0_1_5MHz_FDD_t*)&UL_alloc_pdu[0])->TPC               = 2;
      ((DCI0_1_5MHz_FDD_t*)&UL_alloc_pdu[0])->cshift            = 3;
      ((DCI0_1_5MHz_FDD_t*)&UL_alloc_pdu[0])->cqi_req           = 1;
      UL_pdu_size_bits  = sizeof_DCI0_1_5MHz_FDD_t;
      UL_pdu_size_bytes = sizeof(DCI0_1_5MHz_FDD_t);
      break;
259

260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
    case 25:
      dci_length = sizeof_DCI1_5MHz_FDD_t;
      dci_length_bytes = sizeof(DCI1_5MHz_FDD_t);
      ((DCI1_5MHz_FDD_t *)&DLSCH_alloc_pdu[0])->rah           = 0;
      ((DCI1_5MHz_FDD_t *)&DLSCH_alloc_pdu[0])->rballoc       = DLSCH_RB_ALLOC;
      ((DCI1_5MHz_FDD_t *)&DLSCH_alloc_pdu[0])->mcs           = mcs;
      ((DCI1_5MHz_FDD_t *)&DLSCH_alloc_pdu[0])->harq_pid      = 0;
      ((DCI1_5MHz_FDD_t *)&DLSCH_alloc_pdu[0])->ndi           = 1;
      ((DCI1_5MHz_FDD_t *)&DLSCH_alloc_pdu[0])->rv            = 0;
      ((DCI1_5MHz_FDD_t *)&DLSCH_alloc_pdu[0])->TPC           = 0;

      ((DCI1A_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->type           = 1;
      ((DCI1A_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->vrb_type       = 0;
      ((DCI1A_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->rballoc        = computeRIV(lte_frame_parms->N_RB_DL, 18, 4);
      ((DCI1A_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->ndi            = 1;
      ((DCI1A_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->rv             = 0;
      ((DCI1A_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->mcs            = 2;
      ((DCI1A_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->harq_pid       = 0;
      ((DCI1A_5MHz_FDD_t*)&BCCH_alloc_pdu[0])->TPC            = 1;
      BCCH_pdu_size_bits  = sizeof_DCI1A_5MHz_FDD_t;
      BCCH_pdu_size_bytes = sizeof(DCI1A_5MHz_FDD_t);

      ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu[0])->type              = 0;
      ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu[0])->hopping           = 0;
      ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu[0])->rballoc           = DLSCH_RB_ALLOC;
      ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu[0])->mcs               = mcs;
      ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu[0])->ndi               = 1;
      ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu[0])->TPC               = 2;
      ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu[0])->cshift            = 3;
      ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu[0])->cqi_req           = 1;
      UL_pdu_size_bits  = sizeof_DCI0_5MHz_FDD_t;
      UL_pdu_size_bytes = sizeof(DCI0_5MHz_FDD_t);
      break;
293

294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
    case 50:
      dci_length = sizeof_DCI1_10MHz_FDD_t;
      dci_length_bytes = sizeof(DCI1_10MHz_FDD_t);
      ((DCI1_10MHz_FDD_t *)&DLSCH_alloc_pdu[0])->rah           = 0;
      ((DCI1_10MHz_FDD_t *)&DLSCH_alloc_pdu[0])->rballoc       = DLSCH_RB_ALLOC;
      ((DCI1_10MHz_FDD_t *)&DLSCH_alloc_pdu[0])->mcs           = mcs;
      ((DCI1_10MHz_FDD_t *)&DLSCH_alloc_pdu[0])->harq_pid      = 0;
      ((DCI1_10MHz_FDD_t *)&DLSCH_alloc_pdu[0])->ndi           = 1;
      ((DCI1_10MHz_FDD_t *)&DLSCH_alloc_pdu[0])->rv            = 0;
      ((DCI1_10MHz_FDD_t *)&DLSCH_alloc_pdu[0])->TPC           = 0;

      ((DCI1A_10MHz_FDD_t*)&BCCH_alloc_pdu[0])->type           = 1;
      ((DCI1A_10MHz_FDD_t*)&BCCH_alloc_pdu[0])->vrb_type       = 0;
      ((DCI1A_10MHz_FDD_t*)&BCCH_alloc_pdu[0])->rballoc        = computeRIV(lte_frame_parms->N_RB_DL, 30, 4);
      ((DCI1A_10MHz_FDD_t*)&BCCH_alloc_pdu[0])->ndi            = 1;
      ((DCI1A_10MHz_FDD_t*)&BCCH_alloc_pdu[0])->rv             = 0;
      ((DCI1A_10MHz_FDD_t*)&BCCH_alloc_pdu[0])->mcs            = 2;
      ((DCI1A_10MHz_FDD_t*)&BCCH_alloc_pdu[0])->harq_pid       = 0;
      ((DCI1A_10MHz_FDD_t*)&BCCH_alloc_pdu[0])->TPC            = 1;
      BCCH_pdu_size_bits  = sizeof_DCI1A_10MHz_FDD_t;
      BCCH_pdu_size_bytes = sizeof(DCI1A_10MHz_FDD_t);
315

316
317
318
319
320
321
322
323
324
325
326
      ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu[0])->type              = 0;
      ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu[0])->hopping           = 0;
      ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu[0])->rballoc           = DLSCH_RB_ALLOC;
      ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu[0])->mcs               = mcs;
      ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu[0])->ndi               = 1;
      ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu[0])->TPC               = 2;
      ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu[0])->cshift            = 3;
      ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu[0])->cqi_req           = 1;
      UL_pdu_size_bits  = sizeof_DCI0_10MHz_FDD_t;
      UL_pdu_size_bytes = sizeof(DCI0_10MHz_FDD_t);
      break;
327

328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
    case 100:
      dci_length = sizeof_DCI1_20MHz_FDD_t;
      dci_length_bytes = sizeof(DCI1_20MHz_FDD_t);
      ((DCI1_20MHz_FDD_t *)&DLSCH_alloc_pdu[0])->rah           = 0;
      ((DCI1_20MHz_FDD_t *)&DLSCH_alloc_pdu[0])->rballoc       = DLSCH_RB_ALLOC;
      ((DCI1_20MHz_FDD_t *)&DLSCH_alloc_pdu[0])->mcs           = mcs;
      ((DCI1_20MHz_FDD_t *)&DLSCH_alloc_pdu[0])->harq_pid      = 0;
      ((DCI1_20MHz_FDD_t *)&DLSCH_alloc_pdu[0])->ndi           = 1;
      ((DCI1_20MHz_FDD_t *)&DLSCH_alloc_pdu[0])->rv            = 0;
      ((DCI1_20MHz_FDD_t *)&DLSCH_alloc_pdu[0])->TPC           = 0;

      ((DCI1A_20MHz_FDD_t*)&BCCH_alloc_pdu[0])->type           = 1;
      ((DCI1A_20MHz_FDD_t*)&BCCH_alloc_pdu[0])->vrb_type       = 0;
      ((DCI1A_20MHz_FDD_t*)&BCCH_alloc_pdu[0])->rballoc        = computeRIV(lte_frame_parms->N_RB_DL, 70, 4);
      ((DCI1A_20MHz_FDD_t*)&BCCH_alloc_pdu[0])->ndi            = 1;
      ((DCI1A_20MHz_FDD_t*)&BCCH_alloc_pdu[0])->rv             = 0;
      ((DCI1A_20MHz_FDD_t*)&BCCH_alloc_pdu[0])->mcs            = 2;
      ((DCI1A_20MHz_FDD_t*)&BCCH_alloc_pdu[0])->harq_pid       = 0;
      ((DCI1A_20MHz_FDD_t*)&BCCH_alloc_pdu[0])->TPC            = 1;
      BCCH_pdu_size_bits  = sizeof_DCI1A_20MHz_FDD_t;
      BCCH_pdu_size_bytes = sizeof(DCI1A_20MHz_FDD_t);

      ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu[0])->type              = 0;
      ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu[0])->hopping           = 0;
      ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu[0])->rballoc           = DLSCH_RB_ALLOC;
      ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu[0])->mcs               = mcs;
      ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu[0])->ndi               = 1;
      ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu[0])->TPC               = 2;
      ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu[0])->cshift            = 3;
      ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu[0])->cqi_req           = 1;
      UL_pdu_size_bits  = sizeof_DCI0_20MHz_FDD_t;
      UL_pdu_size_bytes = sizeof(DCI0_20MHz_FDD_t);
      break;
361
    }
362
  }
363

364

365
366
  // add common dci
  DCI_pdu.dci_alloc[0].dci_length = BCCH_pdu_size_bits;
367
  DCI_pdu.dci_alloc[0].L          = log2Lcommon;
368
369
370
371
372
  DCI_pdu.dci_alloc[0].rnti       = SI_RNTI;
  DCI_pdu.dci_alloc[0].format     = format1A;
  DCI_pdu.dci_alloc[0].ra_flag    = 0;
  memcpy((void*)&DCI_pdu.dci_alloc[0].dci_pdu[0], &BCCH_alloc_pdu[0], BCCH_pdu_size_bytes);
  DCI_pdu.Num_common_dci++;
373
  if (lte_frame_parms->N_RB_DL >= 25) {
374
  // add ue specific dci
375
    DCI_pdu.dci_alloc[1].dci_length = dci_length;
376
377
378
    DCI_pdu.dci_alloc[1].L          = log2Lcommon;//log2L;
    DCI_pdu.dci_alloc[1].rnti       = 12;//rnti;
    DCI_pdu.dci_alloc[1].format     = format1A; //format1
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
    DCI_pdu.dci_alloc[1].ra_flag    = 0;
    memcpy((void*)&DCI_pdu.dci_alloc[1].dci_pdu[0], &DLSCH_alloc_pdu[0], dci_length_bytes);
    DCI_pdu.Num_ue_spec_dci++;

    if (lte_frame_parms->N_RB_DL >= 50) {
      DCI_pdu.dci_alloc[2].dci_length = UL_pdu_size_bits;
      DCI_pdu.dci_alloc[2].L          = log2L;
      DCI_pdu.dci_alloc[2].rnti       = rnti;
      DCI_pdu.dci_alloc[2].format     = format0;
      DCI_pdu.dci_alloc[2].ra_flag    = 0;
      memcpy((void*)&DCI_pdu.dci_alloc[0].dci_pdu[0], &UL_alloc_pdu[0], UL_pdu_size_bytes);
      DCI_pdu.Num_ue_spec_dci++;
    }
  }



396

397
  
398
399
400
  return(&DCI_pdu);
}

401
402
extern int QPSK[4],QPSK2[4];

403
404
int main(int argc, char **argv)
{
405
406
407
408
409

  char c;

  int i,l,aa;
  double sigma2, sigma2_dB=0,SNR,snr0=-2.0,snr1;
410

411
412
413
414
  int **txdata;
  double **s_re,**s_im,**r_re,**r_im;
  double iqim=0.0;
  //  int subframe_offset;
gauthier's avatar
gauthier committed
415
  uint8_t subframe=0;
416
417
418
419
420
421
422
#ifdef XFORMS
  FD_lte_phy_scope_ue *form_ue;
  char title[255];
#endif
  int trial, n_errors_common=0,n_errors_ul=0,n_errors_dl=0,n_errors_cfi=0,n_errors_hi=0;
  unsigned char eNb_id = 0;

gauthier's avatar
gauthier committed
423
  uint8_t awgn_flag=0;
424
425
  int n_frames=1;
  channel_desc_t *eNB2UE;
gauthier's avatar
gauthier committed
426
427
428
429
430
  uint32_t nsymb,tx_lev,tx_lev_dB=0,num_pdcch_symbols=3;
  uint8_t extended_prefix_flag=0,transmission_mode=1,n_tx=1,n_rx=1;
  uint16_t Nid_cell=0;
  //  int8_t interf1=-128,interf2=-128;
  uint8_t dci_cnt=0;
431
  LTE_DL_FRAME_PARMS *frame_parms;
gauthier's avatar
gauthier committed
432
  uint8_t log2L=2, log2Lcommon=2, format_selector=0;
433
  uint8_t numCCE,common_active=0,ul_active=0,dl_active=0;
434

gauthier's avatar
gauthier committed
435
436
437
  uint32_t n_trials_common=0,n_trials_ul=0,n_trials_dl=0,false_detection_cnt=0;
  uint8_t common_rx,ul_rx,dl_rx;
  uint8_t tdd_config=3;
438
439
440

  FILE *input_fd=NULL;
  char input_val_str[50],input_val_str2[50];
gauthier's avatar
gauthier committed
441
442
  uint16_t n_rnti=0x1234;
  uint8_t osf=1,N_RB_DL=25;
443
444
445
446
447

  SCM_t channel_model=Rayleigh1_anticorr;

  DCI_ALLOC_t dci_alloc_rx[8];

448
  int ret;
449

gauthier's avatar
gauthier committed
450
451
  uint8_t harq_pid;
  uint8_t phich_ACK;
452

gauthier's avatar
gauthier committed
453
  uint8_t num_phich_interf = 0;
454
  lte_frame_type_t frame_type=TDD;
455
456
  //  int re_offset;
  //  uint32_t *txptr;
457
458
  int aarx;
  int k;
knopp's avatar
   
knopp committed
459
  uint32_t perfect_ce = 0;
460
  int CCE_table[800];
461

462
  number_of_cards = 1;
463

knopp's avatar
   
knopp committed
464
  while ((c = getopt (argc, argv, "hapFg:R:c:n:s:x:y:z:L:M:N:I:f:i:S:P:Y")) != -1) {
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
    switch (c) {
    case 'a':
      printf("Running AWGN simulation\n");
      awgn_flag = 1;
      break;

    case 'R':
      N_RB_DL = atoi(optarg);
      break;

    case 'F':
      frame_type = FDD;
      break;

    case 'c':
      tdd_config=atoi(optarg);

      if (tdd_config>6) {
        printf("Illegal tdd_config %d (should be 0-6)\n",tdd_config);
        exit(-1);
      }

      break;

    case 'g':
      switch((char)*optarg) {
      case 'A':
        channel_model=SCM_A;
        break;

      case 'B':
        channel_model=SCM_B;
        break;

      case 'C':
        channel_model=SCM_C;
        break;

      case 'D':
        channel_model=SCM_D;
        break;

      case 'E':
        channel_model=EPA;
        break;

511
      case 'F':
512
513
514
515
516
        channel_model=EVA;
        break;

      case 'G':
        channel_model=ETU;
knopp's avatar
   
knopp committed
517
        break;
518
519
520
521

      default:
        msg("Unsupported channel model!\n");
        exit(-1);
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
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
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
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

      break;

      /*
          case 'i':
      interf1=atoi(optarg);
      break;
          case 'j':
      interf2=atoi(optarg);
      break;
      */
    case 'n':
      n_frames = atoi(optarg);
      break;

    case 's':
      snr0 = atoi(optarg);
      break;

    case 'p':
      extended_prefix_flag=1;
      break;

    case 'x':
      transmission_mode=atoi(optarg);

      if ((transmission_mode!=1) &&
          (transmission_mode!=2) &&
          (transmission_mode!=6)) {
        msg("Unsupported transmission mode %d\n",transmission_mode);
        exit(-1);
      }

      break;

    case 'y':
      n_tx=atoi(optarg);

      if ((n_tx==0) || (n_tx>2)) {
        msg("Unsupported number of tx antennas %d\n",n_tx);
        exit(-1);
      }

      break;

    case 'z':
      n_rx=atoi(optarg);

      if ((n_rx==0) || (n_rx>2)) {
        msg("Unsupported number of rx antennas %d\n",n_rx);
        exit(-1);
      }

      break;

    case 'S':
      subframe=atoi(optarg);
      break;

    case 'L':
      log2L=atoi(optarg);

      if ((log2L!=0)&&
          (log2L!=1)&&
          (log2L!=2)&&
          (log2L!=3)) {
        msg("Unsupported DCI aggregation level %d (should be 0,1,2,3)\n",log2L);
        exit(-1);
      }

      break;

    case 'M':
      log2Lcommon=atoi(optarg);

      if ((log2Lcommon!=2)&&
          (log2Lcommon!=3)) {
        msg("Unsupported Common DCI aggregation level %d (should be 2 or 3)\n",log2Lcommon);
        exit(-1);
      }

      break;

    case 'N':
      format_selector = atoi(optarg);
      break;

    case 'O':
      osf = atoi(optarg);
      break;

    case 'I':
      Nid_cell = atoi(optarg);
      break;

    case 'f':
      input_fd = fopen(optarg,"r");

      if (input_fd==NULL) {
        printf("Problem with filename %s\n",optarg);
        exit(-1);
      }

      break;

    case 'i':
      n_rnti=atoi(optarg);
      break;

    case 'P':
      num_phich_interf=atoi(optarg);
      break;

    case 'Y':
      perfect_ce = 1;
      break;

    case 'h':
      printf("%s -h(elp) -a(wgn on) -c tdd_config -n n_frames -r RiceanFactor -s snr0 -t Delayspread -x transmission mode (1,2,6) -y TXant -z RXant -L AggregLevelUEspec -M AggregLevelCommonDCI -N DCIFormat\n\n",
             argv[0]);
      printf("-h This message\n");
      printf("-a Use AWGN channel and not multipath\n");
      printf("-c TDD config\n");
      printf("-R N_RB_DL\n");
      printf("-F use FDD frame\n");
      printf("-p Use extended prefix mode\n");
      printf("-n Number of frames to simulate\n");
      printf("-r Ricean factor (dB, 0 means Rayleigh, 100 is almost AWGN\n");
      printf("-s Starting SNR, runs from SNR to SNR + 5 dB.  If n_frames is 1 then just SNR is simulated\n");
      printf("-t Delay spread for multipath channel\n");
      printf("-x Transmission mode (1,2,6 for the moment)\n");
      printf("-y Number of TX antennas used in eNB\n");
      printf("-z Number of RX antennas used in UE\n");
      printf("-P Number of interfering PHICH\n");
      printf("-L log2 of Aggregation level for UE Specific DCI (1,2,4,8)\n");
      printf("-M log2 Aggregation level for Common DCI (4,8)\n");
      printf("-N Format for UE Spec DCI (0 - format1,\n");
      printf("                           1 - format1A,\n");
      printf("                           2 - format1B_2A,\n");
      printf("                           3 - format1B_4A,\n");
      printf("                           4 - format1C,\n");
      printf("                           5 - format1D_2A,\n");
      printf("                           6 - format1D_4A,\n");
      printf("                           7 - format2A_2A_L10PRB,\n");
      printf("                           8 - format2A_2A_M10PRB,\n");
      printf("                           9 - format2A_4A_L10PRB,\n");
      printf("                          10 - format2A_4A_M10PRB,\n");
      printf("                          11 - format2_2A_L10PRB,\n");
      printf("                          12 - format2_2A_M10PRB,\n");
      printf("                          13 - format2_4A_L10PRB,\n");
      printf("                          14 - format2_4A_M10PRB\n");
      printf("                          15 - format2_2D_M10PRB\n");
      printf("                          16 - format2_2D_L10PRB\n");
      printf("-O Oversampling factor\n");
      printf("-I Cell Id\n");
      printf("-F Input sample stream\n");
      exit(1);
      break;
    }
682
683
684
685
686
687
688
689
690
691
692
  }




  logInit();

  if ((transmission_mode>1) && (n_tx==1))
    n_tx=2;

  lte_param_init(n_tx,
693
694
695
                 n_rx,
                 transmission_mode,
                 extended_prefix_flag,
696
		 frame_type,
697
698
                 Nid_cell,
                 tdd_config,
699
                 N_RB_DL,
700
		 0,
701
                 osf,
knopp's avatar
   
knopp committed
702
                 perfect_ce);
703

704
705
706
707
#ifdef XFORMS
  fl_initialize (&argc, argv, NULL, 0, 0);
  form_ue = create_lte_phy_scope_ue();
  sprintf (title, "LTE PHY SCOPE UE");
708
  fl_show_form (form_ue->lte_phy_scope_ue, FL_PLACE_HOTSPOT, FL_FULLBORDER, title);
709
710
711
712
#endif


  mac_xface->computeRIV = computeRIV;
713
  mac_xface->frame_parms = &eNB->frame_parms;
714
715
716
717
718
  //  init_transport_channels(transmission_mode);

  if (n_frames==1)
    snr1 = snr0+.1;
  else
719
    snr1 = snr0+8.0;
720
721
722

  printf("SNR0 %f, SNR1 %f\n",snr0,snr1);

723
  frame_parms = &eNB->frame_parms;
724
725
  get_dci(frame_parms, log2L, log2Lcommon, format_selector, n_rnti);

726
  txdata = eNB->common_vars.txdata[eNb_id];
727

728
729
730
731
732
  s_re = malloc(2*sizeof(double*));
  s_im = malloc(2*sizeof(double*));
  r_re = malloc(2*sizeof(double*));
  r_im = malloc(2*sizeof(double*));

733
  nsymb = (eNB->frame_parms.Ncp == 0) ? 14 : 12;
734
735

  printf("Subframe %d, FFT Size %d, Extended Prefix %d, Samples per subframe %d, Symbols per subframe %d\n",
736
         subframe,NUMBER_OF_OFDM_CARRIERS,
737
         eNB->frame_parms.Ncp,eNB->frame_parms.samples_per_tti,nsymb);
738

739
740
  eNB2UE = new_channel_desc_scm(eNB->frame_parms.nb_antennas_tx_eNB,
                                UE->frame_parms.nb_antennas_rx,
741
                                channel_model,
742
743
				N_RB2sampling_rate(eNB->frame_parms.N_RB_DL),
				N_RB2channel_bandwidth(eNB->frame_parms.N_RB_DL),
744
745
746
747
748
                                0,
                                0,
                                0);

  for (i=0; i<2; i++) {
749
750
751
752
753
754
755
756
757
758
759

    s_re[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
    bzero(s_re[i],FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
    s_im[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
    bzero(s_im[i],FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
    r_re[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
    bzero(r_re[i],FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
    r_im[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
    bzero(r_im[i],FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double));
  }

760

761
762


763
764
  eNB->ulsch[0] = new_eNB_ulsch(MAX_TURBO_ITERATIONS,N_RB_DL,0);
  UE->ulsch[0]   = new_ue_ulsch(N_RB_DL,0);
765
766


767
768
  eNB->proc.frame_tx    = 0;
  eNB->proc.subframe_tx = subframe;
knopp's avatar
   
knopp committed
769

770
771
  if (input_fd==NULL) {
    msg("No input file, so starting TX\n");
772
  } else {
773
    i=0;
774

775
    while (!feof(input_fd)) {
776
      ret=fscanf(input_fd,"%s %s",input_val_str,input_val_str2);//&input_val1,&input_val2);
777

Cedric Roux's avatar
Cedric Roux committed
778
779
780
781
782
      if (ret != 2) {
        printf("%s:%d:%s: fscanf error, exiting\n", __FILE__, __LINE__, __FUNCTION__);
        exit(1);
      }

783
      if ((i%4)==0) {
784
785
786
787
788
        ((short*)txdata[0])[i/2] = (short)((1<<15)*strtod(input_val_str,NULL));
        ((short*)txdata[0])[(i/2)+1] = (short)((1<<15)*strtod(input_val_str2,NULL));

        if ((i/4)<100)
          printf("sample %d => %e + j%e (%d +j%d)\n",i/4,strtod(input_val_str,NULL),strtod(input_val_str2,NULL),((short*)txdata[0])[i/4],((short*)txdata[0])[(i/4)+1]);//1,input_val2,);
789
      }
790

791
      i++;
792

793
      if (i>(4*FRAME_LENGTH_SAMPLES))
794
        break;
795
    }
796

797
798
799
800
    printf("Read in %d samples\n",i/4);
    write_output("txsig0.m","txs0", txdata[0],FRAME_LENGTH_COMPLEX_SAMPLES,1,1);
    //    write_output("txsig1.m","txs1", txdata[1],FRAME_LENGTH_COMPLEX_SAMPLES,1,1);
    tx_lev = signal_energy(&txdata[0][0],
801
                           OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES);
802
803
804
805
    tx_lev_dB = (unsigned int) dB_fixed(tx_lev);
  }


806
  UE->UE_mode[0] = PUSCH;
807

808
  //  nCCE_max = get_nCCE(3,&eNB->frame_parms,get_mi(&eNB->frame_parms,0));
809
  //printf("nCCE_max %d\n",nCCE_max);
810

811
  //printf("num_phich interferers %d\n",num_phich_interf);
812
  for (SNR=snr0; SNR<snr1; SNR+=0.2) {
813
814


815
816
817
818
819
820
821
822
823
824
    n_errors_common = 0;
    n_errors_ul     = 0;
    n_errors_dl     = 0;
    n_errors_cfi    = 0;
    n_errors_hi     = 0;
    n_trials_common=0;
    n_trials_ul=0;
    n_trials_dl=0;

    for (trial=0; trial<n_frames; trial++) {
825

826
827
828
      //    printf("DCI (SF %d): txdataF %p (0 %p)\n",subframe,&eNB->common_vars.txdataF[eNb_id][aa][512*14*subframe],&eNB->common_vars.txdataF[eNb_id][aa][0]);
      for (aa=0; aa<eNB->frame_parms.nb_antennas_tx_eNB; aa++) {
        memset(&eNB->common_vars.txdataF[eNb_id][aa][0],0,FRAME_LENGTH_COMPLEX_SAMPLES_NO_PREFIX*sizeof(int32_t));
829
830

        /*
831
832
833
834
        re_offset = eNB->frame_parms.first_carrier_offset;
        txptr = (uint32_t*)&eNB->common_vars.txdataF[eNb_id][aa][subframe*eNB->frame_parms.samples_per_tti];
        for (i=0;i<eNB->frame_parms.N_RB_DL*6;i++) {
        txptr[re_offset++] = eNB->frame_parms.mode1_flag==1 ? QPSK[taus()&3] : QPSK2[taus()&3];
835
        //printf("%i => %d,%d\n",re_offset-1,*(int16_t*)&txptr[re_offset-1],*(1+(int16_t*)&txptr[re_offset-1]));
836
        }
837
        re_offset=1; //skip DC
838
839
        for (i=0;i<eNB->frame_parms.N_RB_DL*6;i++)
        txptr[re_offset++] = eNB->frame_parms.mode1_flag==1 ? QPSK[taus()&3] : QPSK2[taus()&3];
840
841
842
843
        */
      }


844
845
      generate_pilots_slot(eNB,
                           eNB->common_vars.txdataF[eNb_id],
846
847
848
                           AMP,    //1024,
                           (subframe*2),
                           0);
849
850
      generate_pilots_slot(eNB,
                           eNB->common_vars.txdataF[eNb_id],
851
852
853
854
855
856
857
858
859
                           AMP,    //1024,
                           (subframe*2)+1,
                           0);


      if (input_fd == NULL) {
        numCCE=0;
        n_trials_common++;
        common_active = 1;
860
	if (eNB->frame_parms.N_RB_DL >= 50) { 
861
862
863
	  n_trials_ul++;
	  ul_active = 1;
	}
864
        if (eNB->frame_parms.N_RB_DL >= 25) { 
865
866
867
	  n_trials_dl++;
	  dl_active = 1; 
	}
868
869
870

        num_pdcch_symbols = get_num_pdcch_symbols(DCI_pdu.Num_common_dci+DCI_pdu.Num_ue_spec_dci,
                            DCI_pdu.dci_alloc, frame_parms, subframe);
871
	numCCE = get_nCCE(num_pdcch_symbols,&eNB->frame_parms,get_mi(&eNB->frame_parms,subframe));
872
873
874
875

        if (n_frames==1) {
          printf("num_dci %d, num_pddch_symbols %d, nCCE %d\n",
                 DCI_pdu.Num_common_dci+DCI_pdu.Num_ue_spec_dci,
876
                 num_pdcch_symbols,numCCE);
877
        }
878
879

        // apply RNTI-based nCCE allocation
880
881
	memset(CCE_table,0,800*sizeof(int));

882
883
884
        for (i = 0; i < DCI_pdu.Num_common_dci + DCI_pdu.Num_ue_spec_dci; i++) {
          // SI RNTI
          if (DCI_pdu.dci_alloc[i].rnti == SI_RNTI) {
885
886
887
888
889
890
            DCI_pdu.dci_alloc[i].firstCCE = get_nCCE_offset_l1(CCE_table,
							       1<<DCI_pdu.dci_alloc[i].L,
							       numCCE,
							       1,
							       SI_RNTI,
							       subframe);
891
892
893
          }
          // RA RNTI
          else if (DCI_pdu.dci_alloc[i].ra_flag == 1) {
894
895
896
897
898
899
            DCI_pdu.dci_alloc[i].firstCCE = get_nCCE_offset_l1(CCE_table,
							       1<<DCI_pdu.dci_alloc[i].L,
							       numCCE,
							       1,
							       DCI_pdu.dci_alloc[i].rnti,
							       subframe);
900
901
902
          }
          // C RNTI
          else {
903
904
905
906
907
908
            DCI_pdu.dci_alloc[i].firstCCE = get_nCCE_offset_l1(CCE_table,
							       1<<DCI_pdu.dci_alloc[i].L,
							       numCCE,
							       0,
							       DCI_pdu.dci_alloc[i].rnti,
							       subframe);
909
910
911
          }

          if (n_frames==1)
912
            printf("dci %d: rnti 0x%x, format %d, L %d, nCCE %d/%d dci_length %d\n",i,DCI_pdu.dci_alloc[i].rnti, DCI_pdu.dci_alloc[i].format,
913
                   DCI_pdu.dci_alloc[i].L, DCI_pdu.dci_alloc[i].firstCCE, numCCE, DCI_pdu.dci_alloc[i].dci_length);
914

915
          if (DCI_pdu.dci_alloc[i].firstCCE==-1)
916
            exit(-1);
917
918
        }

919
920
921
922
923
        num_pdcch_symbols = generate_dci_top(DCI_pdu.Num_ue_spec_dci,
                                             DCI_pdu.Num_common_dci,
                                             DCI_pdu.dci_alloc,
                                             0,
                                             AMP,
924
925
                                             &eNB->frame_parms,
                                             eNB->common_vars.txdataF[eNb_id],
926
927
928
929
930
                                             subframe);

        if (n_frames==1)
          printf("num_pdcch_symbols at TX %d\n",num_pdcch_symbols);

931
        if (is_phich_subframe(&eNB->frame_parms,subframe)) {
932
933
934
          if (n_frames==1)
            printf("generating PHICH\n");

935
          harq_pid = phich_subframe_to_harq_pid(&eNB->frame_parms, eNB->proc.frame_tx, subframe);
936
937

          phich_ACK = taus()&1;
938
939
940
941
942
          eNB->ulsch[0]->harq_processes[harq_pid]->phich_active = 1;
          eNB->ulsch[0]->harq_processes[harq_pid]->first_rb     = 0;
          eNB->ulsch[0]->harq_processes[harq_pid]->n_DMRS       = 0;
          eNB->ulsch[0]->harq_processes[harq_pid]->phich_ACK    = phich_ACK;
          eNB->ulsch[0]->harq_processes[harq_pid]->dci_alloc    = 1;
943

944
945
          UE->ulsch[0]->harq_processes[harq_pid]->first_rb       = 0;
          UE->ulsch[0]->harq_processes[harq_pid]->n_DMRS         = 0;
946

947
          generate_phich_top(eNB,AMP,0,0);
948
          
949
950
          // generate 3 interfering PHICH
          if (num_phich_interf>0) {
951
952
            eNB->ulsch[0]->harq_processes[harq_pid]->first_rb = 4;
            generate_phich_top(eNB,1024,0,0);
953
954
955
          }

          if (num_phich_interf>1) {
956
957
958
            eNB->ulsch[0]->harq_processes[harq_pid]->first_rb = 8;
            eNB->ulsch[0]->harq_processes[harq_pid]->n_DMRS = 1;
            generate_phich_top(eNB,1024,0,0);
959
960
          }
          if (num_phich_interf>2) {
961
962
963
            eNB->ulsch[0]->harq_processes[harq_pid]->first_rb = 12;
            eNB->ulsch[0]->harq_processes[harq_pid]->n_DMRS = 1;
            generate_phich_top(eNB,1024,0,0);
964
965
966

          }

967
          eNB->ulsch[0]->harq_processes[harq_pid]->first_rb = 0;
968
          
969
        }
970

971
        //  write_output("pilotsF.m","rsF",txdataF[0],lte_eNB->frame_parms.ofdm_symbol_size,1,1);
972
973

        if (n_frames==1) {
974
          write_output("txsigF0.m","txsF0", eNB->common_vars.txdataF[eNb_id][0],4*nsymb*OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES_NO_PREFIX,1,1);
975

976
977
          if (eNB->frame_parms.nb_antennas_tx_eNB > 1)
            write_output("txsigF1.m","txsF1", eNB->common_vars.txdataF[eNb_id][1],4*nsymb*OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES_NO_PREFIX,1,1);
978
        }
979
980
981
982
983

        tx_lev = 0;



984
985
986
987
988
        for (aa=0; aa<eNB->frame_parms.nb_antennas_tx_eNB; aa++) {
          if (eNB->frame_parms.Ncp == 1)
            PHY_ofdm_mod(&eNB->common_vars.txdataF[eNb_id][aa][subframe*nsymb*eNB->frame_parms.ofdm_symbol_size],        // input,
                         &txdata[aa][subframe*eNB->frame_parms.samples_per_tti],         // output
                         eNB->frame_parms.ofdm_symbol_size,
989
                         2*nsymb,                 // number of symbols
990
                         eNB->frame_parms.nb_prefix_samples,               // number of prefix samples
991
992
                         CYCLIC_PREFIX);
          else {
993
994
            normal_prefix_mod(&eNB->common_vars.txdataF[eNb_id][aa][subframe*nsymb*eNB->frame_parms.ofdm_symbol_size],
                              &txdata[aa][subframe*eNB->frame_parms.samples_per_tti],
995
996
997
998
                              2*nsymb,
                              frame_parms);
          }

999
1000
          tx_lev += signal_energy(&txdata[aa][subframe*eNB->frame_parms.samples_per_tti],
                                  eNB->frame_parms.ofdm_symbol_size);
1001
1002
1003
        }

        tx_lev_dB = (unsigned int) dB_fixed(tx_lev);
1004
      }
1005
1006
1007
1008



      for (i=0; i<2*nsymb*OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES; i++) {
1009
        for (aa=0; aa<eNB->frame_parms.nb_antennas_tx_eNB; aa++) {
1010
          if (awgn_flag == 0) {
1011
1012
            s_re[aa][i] = ((double)(((short *)txdata[aa]))[(2*subframe*UE->frame_parms.samples_per_tti) + (i<<1)]);
            s_im[aa][i] = ((double)(((short *)txdata[aa]))[(2*subframe*UE->frame_parms.samples_per_tti) + (i<<1)+1]);
1013
          } else {
1014
            for (aarx=0; aarx<UE->frame_parms.nb_antennas_rx; aarx++) {
1015
              if (aa==0) {
1016
1017
                r_re[aarx][i] = ((double)(((short *)txdata[aa]))[(2*subframe*UE->frame_parms.samples_per_tti) + (i<<1)]);
                r_im[aarx][i] = ((double)(((short *)txdata[aa]))[(2*subframe*UE->frame_parms.samples_per_tti) + (i<<1)+1]);
1018
              } else {
1019
1020
                r_re[aarx][i] += ((double)(((short *)txdata[aa]))[(2*subframe*UE->frame_parms.samples_per_tti) + (i<<1)]);
                r_im[aarx][i] += ((double)(((short *)txdata[aa]))[(2*subframe*UE->frame_parms.samples_per_tti) + (i<<1)+1]);
knopp's avatar
   
knopp committed
1021
              }
1022
1023
1024
1025
1026
1027
            }
          }
        }
      }


1028

1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
      if (awgn_flag == 0) {
        multipath_channel(eNB2UE,s_re,s_im,r_re,r_im,
                          2*nsymb*OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES,0);

      }

      //write_output("channel0.m","chan0",ch[0],channel_length,1,8);

      // scale by path_loss = NOW - P_noise
      //sigma2       = pow(10,sigma2_dB/10);
      //N0W          = -95.87;
1040
      sigma2_dB = (double)tx_lev_dB +10*log10((double)eNB->frame_parms.ofdm_symbol_size/(double)(12*eNB->frame_parms.N_RB_DL)) - SNR;
1041
1042
1043
1044
1045
1046
1047
1048
1049

      if (n_frames==1)
        printf("sigma2_dB %f (SNR %f dB) tx_lev_dB %d\n",sigma2_dB,SNR,tx_lev_dB);

      //AWGN
      sigma2 = pow(10,sigma2_dB/10);

      //  printf("Sigma2 %f (sigma2_dB %f)\n",sigma2,sigma2_dB);
      for (i=0; i<2*nsymb*OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES; i++) {
1050
        for (aa=0; aa<UE->frame_parms.nb_antennas_rx; aa++) {
1051

1052
1053
          ((short*) UE->common_vars.rxdata[aa])[(2*subframe*UE->frame_parms.samples_per_tti) + 2*i] = (short) (.667*(r_re[aa][i] + sqrt(sigma2/2)*gaussdouble(0.0,1.0)));
          ((short*) UE->common_vars.rxdata[aa])[(2*subframe*UE->frame_parms.samples_per_tti) + 2*i+1] = (short) (.667*(r_im[aa][i] + (iqim*r_re[aa][i]) + sqrt(sigma2/2)*gaussdouble(
1054
1055
                0.0,1.0)));
          /*
1056
1057
1058
1059
          ((short*)UE->common_vars.rxdata[aa])[(2*subframe*UE->frame_parms.samples_per_tti) + 2*i] =
            ((short*)txdata[aa])[(2*subframe*UE->frame_parms.samples_per_tti) + 2*i];
          ((short*)UE->common_vars.rxdata[aa])[(2*subframe*UE->frame_parms.samples_per_tti) + 2*i+1] =
            ((short*)txdata[aa])[(2*subframe*UE->frame_parms.samples_per_tti) + 2*i+1];
1060
          */
1061
        }
1062
1063
1064
      }

      // UE receiver
1065
      for (l=0; l<eNB->frame_parms.symbols_per_tti; l++) {
1066

1067
        //  subframe_offset = (l/eNB->frame_parms.symbols_per_tti)*eNB->frame_parms.samples_per_tti;
1068
1069
        //      printf("subframe_offset = %d\n",subframe_offset);

1070
1071
1072
        slot_fep(UE,
                 l%(eNB->frame_parms.symbols_per_tti/2),
                 (2*subframe)+(l/(eNB->frame_parms.symbols_per_tti/2)),
1073
                 0,
1074
1075
                 0,
		 0);
1076

1077
        if (UE->perfect_ce == 1) {
1078
1079
          if (awgn_flag==0) {
            // fill in perfect channel estimates
1080
            freq_channel(eNB2UE,UE->frame_parms.N_RB_DL,12*UE->frame_parms.N_RB_DL + 1);
1081
1082
1083
1084
1085
1086
1087

            //write_output("channel.m","ch",desc1->ch[0],desc1->channel_length,1,8);
            //write_output("channelF.m","chF",desc1->chF[0],nb_samples,1,8);
            for(k=0; k<NUMBER_OF_eNB_MAX; k++) {
              for(aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
                for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
                  for (i=0; i<frame_parms->N_RB_DL*12; i++) {
1088
                    ((int16_t *) UE->common_vars.dl_ch_estimates[k][(aa<<1)+aarx])[2*i+(l*frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2]=(int16_t)(
1089
                          eNB2UE->chF[aarx+(aa*frame_parms->nb_antennas_rx)][i].x*AMP);
1090
                    ((int16_t *) UE->common_vars.dl_ch_estimates[k][(aa<<1)+aarx])[2*i+1+(l*frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2]=(int16_t)(
1091
1092
1093
1094
1095
1096
1097
1098
1099
                          eNB2UE->chF[aarx+(aa*frame_parms->nb_antennas_rx)][i].y*AMP);
                  }
                }
              }
            }
          } else {
            for(aa=0; aa<frame_parms->nb_antennas_tx_eNB; aa++) {
              for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
                for (i=0; i<frame_parms->N_RB_DL*12; i++) {
1100
1101
                  ((int16_t *) UE->common_vars.dl_ch_estimates[0][(aa<<1)+aarx])[2*i+(l*frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2]=(short)(AMP);
                  ((int16_t *) UE->common_vars.dl_ch_estimates[0][(aa<<1)+aarx])[2*i+1+(l*frame_parms->ofdm_symbol_size+LTE_CE_FILTER_LENGTH)*2]=0/2;
1102
1103
1104
1105
                }
              }
            }
          }
1106
        }
1107

1108
        if (l==((eNB->frame_parms.Ncp==0)?4:3)) {
1109

1110
          //      write_output("H00.m","h00",&(UE->common_vars.dl_ch_estimates[0][0][0]),((frame_parms->Ncp==0)?7:6)*(eNB->frame_parms.ofdm_symbol_size),1,1);
1111
1112

          // do PDCCH procedures here
1113
          UE->pdcch_vars[0]->crnti = n_rnti;
1114
1115

          //    printf("Doing RX : num_pdcch_symbols at TX %d\n",num_pdcch_symbols);
1116
1117
1118
          rx_pdcch(&UE->common_vars,
                   UE->pdcch_vars,
                   &UE->frame_parms,
1119
1120
                   subframe,
                   0,
1121
1122
1123
1124
1125
1126
1127
1128
                   (UE->frame_parms.mode1_flag == 1) ? SISO : ALAMOUTI,
                   UE->high_speed_flag,
                   UE->is_secondary_ue);

          if (is_phich_subframe(&UE->frame_parms,subframe)) {
            UE->ulsch[0]->harq_processes[phich_subframe_to_harq_pid(&UE->frame_parms,0,subframe)]->status = ACTIVE;
            //UE->ulsch[0]->harq_processes[phich_subframe_to_harq_pid(&UE->frame_parms,0,subframe)]->Ndi = 1;
            rx_phich(UE,
1129
1130
                     subframe,
                     0);
1131
          }
1132

1133
          //    if (UE->pdcch_vars[0]->num_pdcch_symbols != num_pdcch_symbols)
1134
          //      break;
1135
          dci_cnt = dci_decoding_procedure(UE,
1136
1137
1138
1139
1140
1141
1142
1143
                                           dci_alloc_rx,1,
                                           0,subframe);

          common_rx=0;
          ul_rx=0;
          dl_rx=0;

          if (n_frames==1)  {
1144
            numCCE = get_nCCE(UE->pdcch_vars[0]->num_pdcch_symbols, &UE->frame_parms, get_mi(&UE->frame_parms,subframe));
1145
1146
1147

            for (i = 0; i < dci_cnt; i++)
              printf("dci %d: rnti 0x%x, format %d, L %d, nCCE %d/%d dci_length %d\n",i, dci_alloc_rx[i].rnti, dci_alloc_rx[i].format,
1148
                     dci_alloc_rx[i].L, dci_alloc_rx[i].firstCCE, numCCE, dci_alloc_rx[i].dci_length);
1149
          }
1150
1151
1152
1153

          for (i=0; i<dci_cnt; i++) {
            if (dci_alloc_rx[i].rnti == SI_RNTI) {
              if (n_frames==1)
1154
                dump_dci(&UE->frame_parms, &dci_alloc_rx[i]);
1155
1156
1157
1158
1159
1160

              common_rx=1;
            }

            if ((dci_alloc_rx[i].rnti == n_rnti) && (dci_alloc_rx[i].format == format0)) {
              if (n_frames==1)
1161
                dump_dci(&UE->frame_parms, &dci_alloc_rx[i]);
1162
1163
1164
1165
1166
1167

              ul_rx=1;
            }

            if ((dci_alloc_rx[i].rnti == n_rnti) && ((dci_alloc_rx[i].format == format1))) {
              if (n_frames==1)
1168
                dump_dci(&UE->frame_parms, &dci_alloc_rx[i]);
1169
1170
1171
1172
1173
1174

              dl_rx=1;
            }

            if ((dci_alloc_rx[i].rnti != n_rnti) && (dci_alloc_rx[i].rnti != SI_RNTI))
              false_detection_cnt++;
1175
1176
          }

1177
1178
          if (n_frames==1)
            printf("RX DCI Num %d (Common DCI %d, DL DCI %d, UL DCI %d)\n", dci_cnt, common_rx, dl_rx, ul_rx);
1179

1180
1181
          if ((common_rx==0)&&(common_active==1))
            n_errors_common++;
1182

1183
1184
1185
1186
          if ((ul_rx==0)&&(ul_active==1)) {
            n_errors_ul++;
            //     exit(-1);
          }
1187

1188
1189
1190
1191
          if ((dl_rx==0)&&(dl_active==1)) {
            n_errors_dl++;
            //   exit(-1);
          }
1192

1193
          if (UE->pdcch_vars[0]->num_pdcch_symbols != num_pdcch_symbols)
1194
            n_errors_cfi++;
1195

1196
          /*
1197
1198
           if (is_phich_subframe(&UE->frame_parms,subframe))
             if (UE->ulsch[0]->harq_processes[phich_subframe_to_harq_pid(&UE->frame_parms, UE->frame, subframe)]->Ndi != phich_ACK)
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
               n_errors_hi++;
          */

          if (n_errors_cfi > 10)
            break;
        }

      } // symbol loop

      if (n_errors_cfi > 100)
        break;

      if ((n_errors_ul>1000) && (n_errors_dl>1000) && (n_errors_common>1000))
        break;
1213
1214

#ifdef XFORMS
1215
      phy_scope_UE(form_ue,