asn1_msg_NB_IoT.c 67.2 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
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
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
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
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
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
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
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
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
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
/* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
 * the OAI Public License, Version 1.1  (the "License"); you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */

/*! \file asn1_msg.c
* \brief primitives to build the asn1 messages
* \author Raymond Knopp, Navid Nikaein and Michele Paffetti
* \date 2011, 2017
* \version 1.0
* \company Eurecom
* \email: raymond.knopp@eurecom.fr, navid.nikaein@eurecom.fr, michele.paffetti@studio.unibo.it
*/

#include <stdio.h>
#include <sys/types.h>
#include <stdlib.h> /* for atoi(3) */
#include <unistd.h> /* for getopt(3) */
#include <string.h> /* for strerror(3) */
#include <sysexits.h> /* for EX_* exit codes */
#include <errno.h>  /* for errno */
#include "UTIL/LOG/log.h"
#include <asn_application.h>
#include <asn_internal.h> /* for _ASN_DEFAULT_STACK_MAX */
#include <per_encoder.h>
#include "asn1_msg.h"



//#include for NB-IoT-------------------
#include "RRCConnectionRequest-NB.h"
#include "BCCH-DL-SCH-Message-NB.h"
#include "UL-CCCH-Message-NB.h"
#include "UL-DCCH-Message-NB.h"
#include "DL-CCCH-Message-NB.h"
#include "DL-DCCH-Message-NB.h"
#include "EstablishmentCause-NB-r13.h"
#include "RRCConnectionSetup-NB.h"
#include "SRB-ToAddModList-NB-r13.h"
#include "DRB-ToAddModList-NB-r13.h"
#include "RRC/LITE/defs_NB_IoT.h"
#include "RRCConnectionSetupComplete-NB.h"
#include "RRCConnectionReconfigurationComplete-NB.h"
#include "RRCConnectionReconfiguration-NB.h"
#include "MasterInformationBlock-NB.h"
#include "SystemInformation-NB.h"
#include "SystemInformationBlockType1.h"
#include "SIB-Type-NB-r13.h"
#include "RRCConnectionResume-NB.h"
#include "RRCConnectionReestablishment-NB.h"
#include "../defs_NB_IoT.h"
//----------------------------------------

//#include "PHY/defs.h"
#include "enb_config.h"

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




/*do_MIB_NB_NB_IoT*/
uint8_t do_MIB_NB_IoT(
		rrc_eNB_carrier_data_NB_IoT_t *carrier,
		uint16_t N_RB_DL,//may not needed--> for NB_IoT only 1 PRB is used
		uint32_t frame,
    uint32_t hyper_frame)
{
  asn_enc_rval_t enc_rval;
  BCCH_BCH_Message_NB_t *mib_NB_IoT = &(carrier->mib_NB_IoT);

  /*
   * systemFrameNumber-MSB: (TS 36.331 pag 576)
   * define the 4 MSB of the SFN (10 bits). The last significant 6 bits will be acquired implicitly by decoding the NPBCH
   * NOTE: 6 LSB will be used for counting the 64 radio frames in the TTI period (640 ms) that is exactly the MIB period
   *
   * hyperSFN-LSB:
   * indicates the 2 least significant bits of the HSFN. The remaining 8 bits are present in SIB1-NB
   * NOTE: with the 2 bits we count the 4 HSFN (is 1 SIB1-Nb modification period) while the other 6 count the number of modification periods
   *
   *
   * NOTE: in OAI never modify the SIB messages!!??
   */

  //XXX check if correct the bit assignment
  uint8_t sfn_MSB = (uint8_t)((frame>>6) & 0x0f); // all the 4 bits are set to 1
  uint8_t hsfn_LSB = (uint8_t)(hyper_frame & 0x03); //2 bits set to 1 (0x3 = 0011)
  uint16_t spare=0; //11 bits --> use uint16

  mib_NB_IoT->message.systemFrameNumber_MSB_r13.buf = &sfn_MSB;
  mib_NB_IoT->message.systemFrameNumber_MSB_r13.size = 1; //if expressed in byte
  mib_NB_IoT->message.systemFrameNumber_MSB_r13.bits_unused = 4; //is byte based (so how many bits you don't use of the 8 bits of a bite

  mib_NB_IoT->message.hyperSFN_LSB_r13.buf= &hsfn_LSB;
  mib_NB_IoT->message.hyperSFN_LSB_r13.size= 1;
  mib_NB_IoT->message.hyperSFN_LSB_r13.bits_unused = 6;

  //XXX to be set??
  mib_NB_IoT->message.spare.buf = (uint8_t *)&spare;
  mib_NB_IoT->message.spare.size = 2;
  mib_NB_IoT->message.spare.bits_unused = 5;

  //decide how to set it
  mib_NB_IoT->message.schedulingInfoSIB1_r13 =11; //see TS 36.213-->tables 16.4.1.3-3 ecc...
  mib_NB_IoT->message.systemInfoValueTag_r13= 0;
  mib_NB_IoT->message.ab_Enabled_r13 = 0;

  //to be decided
  mib_NB_IoT->message.operationModeInfo_r13.present = MasterInformationBlock_NB__operationModeInfo_r13_PR_inband_SamePCI_r13;
  mib_NB_IoT->message.operationModeInfo_r13.choice.inband_SamePCI_r13.eutra_CRS_SequenceInfo_r13 = 0;

  printf("[MIB] Initialization of frame information,sfn_MSB %x, hsfn_LSB %x\n",
         (uint32_t)sfn_MSB,
		 (uint32_t)hsfn_LSB);

  enc_rval = uper_encode_to_buffer(&asn_DEF_BCCH_BCH_Message_NB,
                                   (void*)mib_NB_IoT,
                                   carrier->MIB_NB_IoT,
                                   100);
  if(enc_rval.encoded <= 0) {
      LOG_F(RRC, "ASN1 message encoding failed (%s, %lu)!\n",
               enc_rval.failed_type->name, enc_rval.encoded);
  }

  if (enc_rval.encoded==-1) {
    return(-1);
  }

  return((enc_rval.encoded+7)/8);

}

/*do_SIB1_NB*/
uint8_t do_SIB1_NB_IoT(uint8_t Mod_id, int CC_id,
				rrc_eNB_carrier_data_NB_IoT_t *carrier,
                NbIoTRrcConfigurationReq *configuration,
				uint32_t frame
               )
{
  BCCH_DL_SCH_Message_NB_t *bcch_message= &(carrier->siblock1_NB_IoT);
  SystemInformationBlockType1_NB_t **sib1_NB_IoT= &(carrier->sib1_NB_IoT);
  

  asn_enc_rval_t enc_rval;

  PLMN_IdentityInfo_NB_r13_t PLMN_identity_info_NB_IoT;
  MCC_MNC_Digit_t dummy_mcc[3],dummy_mnc[3];
  SchedulingInfo_NB_r13_t *schedulingInfo_NB_IoT;
  SIB_Type_NB_r13_t *sib_type_NB_IoT;


  long* attachWithoutPDN_Connectivity = NULL;
  attachWithoutPDN_Connectivity = CALLOC(1,sizeof(long));
  long *nrs_CRS_PowerOffset=NULL;
  nrs_CRS_PowerOffset = CALLOC(1, sizeof(long));
  long *eutraControlRegionSize=NULL; //this parameter should be set only if we are considering in-band operating mode (samePCI or differentPCI)
   eutraControlRegionSize = CALLOC(1,sizeof(long));
  long systemInfoValueTagSI = 0;

  memset(bcch_message,0,sizeof(BCCH_DL_SCH_Message_NB_t));
  bcch_message->message.present = BCCH_DL_SCH_MessageType_NB_PR_c1;
  bcch_message->message.choice.c1.present = BCCH_DL_SCH_MessageType_NB__c1_PR_systemInformationBlockType1_r13;

  //allocation
  *sib1_NB_IoT = &bcch_message->message.choice.c1.choice.systemInformationBlockType1_r13;


  /*TS 36.331 v14.2.0 pag 589
   * hyperSFN-MSB
   * Indicates the 8 most significant bits of the hyper-SFN. Together with the hyper-LSB in MIB-NB the complete HSFN is build up
   */
  //FIXME see if correct
  uint8_t hyperSFN_MSB = (uint8_t) ((frame>>2)& 0xff);

  //XXX to be checked
  (*sib1_NB_IoT)->hyperSFN_MSB_r13.buf = &hyperSFN_MSB;
  (*sib1_NB_IoT)->hyperSFN_MSB_r13.size = 1;
  (*sib1_NB_IoT)->hyperSFN_MSB_r13.bits_unused = 0;

  memset(&PLMN_identity_info_NB_IoT,0,sizeof(PLMN_IdentityInfo_NB_r13_t));

  PLMN_identity_info_NB_IoT.plmn_Identity_r13.mcc = CALLOC(1,sizeof(*PLMN_identity_info_NB_IoT.plmn_Identity_r13.mcc));
  memset(PLMN_identity_info_NB_IoT.plmn_Identity_r13.mcc,0,sizeof(*PLMN_identity_info_NB_IoT.plmn_Identity_r13.mcc));

  asn_set_empty(&PLMN_identity_info_NB_IoT.plmn_Identity_r13.mcc->list);//.size=0;

  //left as it is???
#if defined(ENABLE_ITTI)
  dummy_mcc[0] = (configuration->mcc / 100) % 10;
  dummy_mcc[1] = (configuration->mcc / 10) % 10;
  dummy_mcc[2] = (configuration->mcc / 1) % 10;
#else
  dummy_mcc[0] = 0;
  dummy_mcc[1] = 0;
  dummy_mcc[2] = 1;
#endif
  ASN_SEQUENCE_ADD(&PLMN_identity_info_NB_IoT.plmn_Identity_r13.mcc->list,&dummy_mcc[0]);
  ASN_SEQUENCE_ADD(&PLMN_identity_info_NB_IoT.plmn_Identity_r13.mcc->list,&dummy_mcc[1]);
  ASN_SEQUENCE_ADD(&PLMN_identity_info_NB_IoT.plmn_Identity_r13.mcc->list,&dummy_mcc[2]);

  PLMN_identity_info_NB_IoT.plmn_Identity_r13.mnc.list.size=0;
  PLMN_identity_info_NB_IoT.plmn_Identity_r13.mnc.list.count=0;


#if defined(ENABLE_ITTI)

  if (configuration->mnc >= 100) {
    dummy_mnc[0] = (configuration->mnc / 100) % 10;
    dummy_mnc[1] = (configuration->mnc / 10) % 10;
    dummy_mnc[2] = (configuration->mnc / 1) % 10;
  } else {
    if (configuration->mnc_digit_length == 2) {
      dummy_mnc[0] = (configuration->mnc / 10) % 10;
      dummy_mnc[1] = (configuration->mnc / 1) % 10;
      dummy_mnc[2] = 0xf;
    } else {
      dummy_mnc[0] = (configuration->mnc / 100) % 100;
      dummy_mnc[1] = (configuration->mnc / 10) % 10;
      dummy_mnc[2] = (configuration->mnc / 1) % 10;
    }
  }

#else
  dummy_mnc[0] = 0;
  dummy_mnc[1] = 1;
  dummy_mnc[2] = 0xf;
#endif
  ASN_SEQUENCE_ADD(&PLMN_identity_info_NB_IoT.plmn_Identity_r13.mnc.list,&dummy_mnc[0]);
  ASN_SEQUENCE_ADD(&PLMN_identity_info_NB_IoT.plmn_Identity_r13.mnc.list,&dummy_mnc[1]);

  if (dummy_mnc[2] != 0xf) {
    ASN_SEQUENCE_ADD(&PLMN_identity_info_NB_IoT.plmn_Identity_r13.mnc.list,&dummy_mnc[2]);
  }

  //still set to "notReserved" as in the previous case
  PLMN_identity_info_NB_IoT.cellReservedForOperatorUse_r13=PLMN_IdentityInfo_NB_r13__cellReservedForOperatorUse_r13_notReserved;

  *attachWithoutPDN_Connectivity = 0;
  PLMN_identity_info_NB_IoT.attachWithoutPDN_Connectivity_r13 = attachWithoutPDN_Connectivity;

  ASN_SEQUENCE_ADD(&(*sib1_NB_IoT)->cellAccessRelatedInfo_r13.plmn_IdentityList_r13.list,&PLMN_identity_info_NB_IoT);

  // 16 bits = 2 byte
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.trackingAreaCode_r13.buf = MALLOC(2); //MALLOC works in byte

  //lefts as it is?
#if defined(ENABLE_ITTI)
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.trackingAreaCode_r13.buf[0] = (configuration->tac >> 8) & 0xff;
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.trackingAreaCode_r13.buf[1] = (configuration->tac >> 0) & 0xff;
#else
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.trackingAreaCode_r13.buf[0] = 0x00;
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.trackingAreaCode_r13.buf[1] = 0x01;
#endif
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.trackingAreaCode_r13.size=2;
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.trackingAreaCode_r13.bits_unused=0;

  // 28 bits --> i have to use 32 bits = 4 byte
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.cellIdentity_r13.buf = MALLOC(8); // why allocate 8 byte?
#if defined(ENABLE_ITTI)
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.cellIdentity_r13.buf[0] = (configuration->cell_identity >> 20) & 0xff;
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.cellIdentity_r13.buf[1] = (configuration->cell_identity >> 12) & 0xff;
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.cellIdentity_r13.buf[2] = (configuration->cell_identity >>  4) & 0xff;
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.cellIdentity_r13.buf[3] = (configuration->cell_identity <<  4) & 0xf0;
#else
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.cellIdentity_r13.buf[0] = 0x00;
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.cellIdentity_r13.buf[1] = 0x00;
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.cellIdentity_r13.buf[2] = 0x00;
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.cellIdentity_r13.buf[3] = 0x10;
#endif
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.cellIdentity_r13.size=4;
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.cellIdentity_r13.bits_unused=4;

  //Still set to "notBarred" as in the previous case
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.cellBarred_r13=SystemInformationBlockType1_NB__cellAccessRelatedInfo_r13__cellBarred_r13_notBarred;

  //Still Set to "notAllowed" like in the previous case
  (*sib1_NB_IoT)->cellAccessRelatedInfo_r13.intraFreqReselection_r13=SystemInformationBlockType1_NB__cellAccessRelatedInfo_r13__intraFreqReselection_r13_notAllowed;


  (*sib1_NB_IoT)->cellSelectionInfo_r13.q_RxLevMin_r13=-65; //which value?? TS 36.331 V14.2.1 pag. 589
  (*sib1_NB_IoT)->cellSelectionInfo_r13.q_QualMin_r13 = 0; //FIXME new parameter for SIB1-NB, not present in SIB1 (for cell reselection but if not used the UE should apply the default value)

  (*sib1_NB_IoT)->p_Max_r13 = CALLOC(1, sizeof(P_Max_t));
  *((*sib1_NB_IoT)->p_Max_r13) = 23;

  //FIXME
  (*sib1_NB_IoT)->freqBandIndicator_r13 =
#if defined(ENABLE_ITTI)
    configuration->eutra_band;
#else
    5; //if not configured we use band 5 (UL: 824 MHz - 849MHz / DL: 869 MHz - 894 MHz  FDD mode)
#endif

    //OPTIONAL new parameters, to be used?
      /*
       * freqBandInfo_r13
       * multiBandInfoList_r13
       * nrs_CRS_PowerOffset_r13
       * sib1_NB_IoT->downlinkBitmap_r13.choice.subframePattern10_r13 =(is a BIT_STRING)
       */


   (*sib1_NB_IoT)->downlinkBitmap_r13 = CALLOC(1, sizeof(struct DL_Bitmap_NB_r13));
   ((*sib1_NB_IoT)->downlinkBitmap_r13)->present= DL_Bitmap_NB_r13_PR_NOTHING;

   *eutraControlRegionSize = 1;
   (*sib1_NB_IoT)->eutraControlRegionSize_r13 = eutraControlRegionSize;


   *nrs_CRS_PowerOffset= 0;
   (*sib1_NB_IoT)->nrs_CRS_PowerOffset_r13 = nrs_CRS_PowerOffset;

   schedulingInfo_NB_IoT = (SchedulingInfo_NB_r13_t*) malloc (3*sizeof(SchedulingInfo_NB_r13_t));
   sib_type_NB_IoT = (SIB_Type_NB_r13_t *) malloc (3*sizeof(SIB_Type_NB_r13_t));

  memset(&schedulingInfo_NB_IoT[0],0,sizeof(SchedulingInfo_NB_r13_t));
  memset(&schedulingInfo_NB_IoT[1],0,sizeof(SchedulingInfo_NB_r13_t));
  memset(&schedulingInfo_NB_IoT[2],0,sizeof(SchedulingInfo_NB_r13_t));    
  memset(&sib_type_NB_IoT[0],0,sizeof(SIB_Type_NB_r13_t));
  memset(&sib_type_NB_IoT[1],0,sizeof(SIB_Type_NB_r13_t));
  memset(&sib_type_NB_IoT[2],0,sizeof(SIB_Type_NB_r13_t));


  // Now, follow the scheduler SIB configuration
  // There is only one sib2+sib3 common setting
  schedulingInfo_NB_IoT[0].si_Periodicity_r13=SchedulingInfo_NB_r13__si_Periodicity_r13_rf4096;
  schedulingInfo_NB_IoT[0].si_RepetitionPattern_r13=SchedulingInfo_NB_r13__si_RepetitionPattern_r13_every2ndRF; //This Indicates the starting radio frames within the SI window used for SI message transmission.
  schedulingInfo_NB_IoT[0].si_TB_r13= SchedulingInfo_NB_r13__si_TB_r13_b680;//208 bits
  

  // This is for SIB2/3
  /*SIB3 --> There is no mapping information of SIB2 since it is always present
    *  in the first SystemInformation message
    * listed in the schedulingInfoList list.
    * */
  sib_type_NB_IoT[0]=SIB_Type_NB_r13_sibType3_NB_r13;

  ASN_SEQUENCE_ADD(&schedulingInfo_NB_IoT[0].sib_MappingInfo_r13.list,&sib_type_NB_IoT[0]);
  ASN_SEQUENCE_ADD(&(*sib1_NB_IoT)->schedulingInfoList_r13.list,&schedulingInfo_NB_IoT[0]);

  //printf("[ASN Debug] SI P: %ld\n",(*sib1_NB_IoT)->schedulingInfoList_r13.list.array[0]->si_Periodicity_r13);

#if defined(ENABLE_ITTI)

  if (configuration->frame_type == TDD)
#endif
  {
	//FIXME in NB-IoT mandatory to be FDD --> so must give an error
	  LOG_E(RRC,"[NB-IoT %d] Frame Type is TDD --> not supported by NB-IoT, exiting\n", Mod_id); //correct?
	  exit(-1);
  }

  //FIXME which value chose for the following parameter
  (*sib1_NB_IoT)->si_WindowLength_r13=SystemInformationBlockType1_NB__si_WindowLength_r13_ms160;
  (*sib1_NB_IoT)->si_RadioFrameOffset_r13= 0;

  /*In Nb-IoT change/update of specific SI message can additionally be indicated by a SI message specific value tag
   * systemInfoValueTagSI (there is no SystemInfoValueTag in SIB1-NB but only in MIB-NB)
   *contained in systemInfoValueTagList_r13
   **/
  //FIXME correct?
  (*sib1_NB_IoT)->systemInfoValueTagList_r13 = CALLOC(1, sizeof(struct SystemInfoValueTagList_NB_r13));
  asn_set_empty(&(*sib1_NB_IoT)->systemInfoValueTagList_r13->list);
  ASN_SEQUENCE_ADD(&(*sib1_NB_IoT)->systemInfoValueTagList_r13->list,&systemInfoValueTagSI);


#ifdef XER_PRINT //generate xml files
  xer_fprint(stdout, &asn_DEF_BCCH_DL_SCH_Message_NB, (void*)bcch_message);
#endif


  enc_rval = uper_encode_to_buffer(&asn_DEF_BCCH_DL_SCH_Message_NB,
                                   (void*)bcch_message,
                                   carrier->SIB1_NB_IoT,
                                   100);

  if (enc_rval.encoded > 0){ 
       LOG_F(RRC,"ASN1 message encoding failed (%s, %lu)!\n",
               enc_rval.failed_type->name, enc_rval.encoded);
  }


#ifdef USER_MODE
  LOG_D(RRC,"[NB-IoT] SystemInformationBlockType1-NB Encoded %zd bits (%zd bytes)\n",enc_rval.encoded,(enc_rval.encoded+7)/8);
#endif

  if (enc_rval.encoded==-1) {
    return(-1);
  }

  return((enc_rval.encoded+7)/8);
}

/*SIB23_NB_IoT*/
//to be clarified is it is possible to carry SIB2 and SIB3  in the same SI message for NB-IoT?
uint8_t do_SIB23_NB_IoT(uint8_t Mod_id,
                        int CC_id,
                        rrc_eNB_carrier_data_NB_IoT_t *carrier,//MP: this is already a carrier[CC_id]
                        NbIoTRrcConfigurationReq *configuration ) //openair2/COMMON/rrc_messages_types.h
{
  struct SystemInformation_NB_r13_IEs__sib_TypeAndInfo_r13__Member *sib2_NB_part;
  struct SystemInformation_NB_r13_IEs__sib_TypeAndInfo_r13__Member *sib3_NB_part;

  BCCH_DL_SCH_Message_NB_t *bcch_message = &(carrier->systemInformation_NB_IoT); //is the systeminformation-->BCCH_DL_SCH_Message_NB
  SystemInformationBlockType2_NB_r13_t *sib2_NB_IoT;
  SystemInformationBlockType3_NB_r13_t *sib3_NB_IoT;

  asn_enc_rval_t enc_rval;
  RACH_Info_NB_r13_t rach_Info_NB_IoT;
  NPRACH_Parameters_NB_r13_t *nprach_parameters;

  //optional
  long *connEstFailOffset = NULL;
  connEstFailOffset = CALLOC(1, sizeof(long));

//  RSRP_ThresholdsNPRACH_InfoList_NB_r13_t *rsrp_ThresholdsPrachInfoList;
//  RSRP_Range_t rsrp_range;

  ACK_NACK_NumRepetitions_NB_r13_t ack_nack_repetition;
  struct NPUSCH_ConfigCommon_NB_r13__dmrs_Config_r13 *dmrs_config;
  struct DL_GapConfig_NB_r13	*dl_Gap;

  long *srs_SubframeConfig;
  srs_SubframeConfig= CALLOC(1, sizeof(long));


  if (bcch_message) {
    memset(bcch_message,0,sizeof(BCCH_DL_SCH_Message_NB_t));
  } else {
    LOG_E(RRC,"[NB-IoT %d] BCCH_MESSAGE_NB is null, exiting\n", Mod_id);
    exit(-1);
  }

  //before schould be allocated memory somewhere?
//  if (!carrier->sib2_NB_IoT) {
//    LOG_E(RRC,"[NB-IoT %d] sib2_NB_IoT is null, exiting\n", Mod_id);
//    exit(-1);
//  }
//
//  if (!carrier->sib3_NB_IoT) {
//    LOG_E(RRC,"[NB-IoT %d] sib3_NB_IoT is null, exiting\n", Mod_id);
//    exit(-1);
//  }


  LOG_I(RRC,"[NB-IoT %d] Configuration SIB2/3\n", Mod_id);

  sib2_NB_part = CALLOC(1,sizeof(struct SystemInformation_NB_r13_IEs__sib_TypeAndInfo_r13__Member));
  sib3_NB_part = CALLOC(1,sizeof(struct SystemInformation_NB_r13_IEs__sib_TypeAndInfo_r13__Member));
  memset(sib2_NB_part,0,sizeof(struct SystemInformation_NB_r13_IEs__sib_TypeAndInfo_r13__Member));
  memset(sib3_NB_part,0,sizeof(struct SystemInformation_NB_r13_IEs__sib_TypeAndInfo_r13__Member));

  sib2_NB_part->present = SystemInformation_NB_r13_IEs__sib_TypeAndInfo_r13__Member_PR_sib2_r13;
  sib3_NB_part->present = SystemInformation_NB_r13_IEs__sib_TypeAndInfo_r13__Member_PR_sib3_r13;

  //may bug if not correct allocation of memory
  carrier->sib2_NB_IoT = &sib2_NB_part->choice.sib2_r13;
  carrier->sib3_NB_IoT = &sib3_NB_part->choice.sib3_r13;
  sib2_NB_IoT = carrier->sib2_NB_IoT;
  sib3_NB_IoT = carrier->sib3_NB_IoT;

  nprach_parameters = (NPRACH_Parameters_NB_r13_t *) malloc (3*sizeof(NPRACH_Parameters_NB_r13_t));

  memset(&nprach_parameters[0],0,sizeof(NPRACH_Parameters_NB_r13_t));
  memset(&nprach_parameters[1],0,sizeof(NPRACH_Parameters_NB_r13_t));
  memset(&nprach_parameters[2],0,sizeof(NPRACH_Parameters_NB_r13_t));

/// SIB2-NB-----------------------------------------

  //Barring is manage by ab-Enabled in MIB-NB (but is not a struct as ac-BarringInfo in LTE legacy)

  //RACH Config. Common--------------------------------------------------------------
  sib2_NB_IoT->radioResourceConfigCommon_r13.rach_ConfigCommon_r13.preambleTransMax_CE_r13 =
   		  configuration->rach_preambleTransMax_CE_NB;
  sib2_NB_IoT->radioResourceConfigCommon_r13.rach_ConfigCommon_r13.powerRampingParameters_r13.powerRampingStep =
	configuration->rach_powerRampingStep_NB;
  sib2_NB_IoT->radioResourceConfigCommon_r13.rach_ConfigCommon_r13.powerRampingParameters_r13.preambleInitialReceivedTargetPower =
    configuration->rach_preambleInitialReceivedTargetPower_NB;

  rach_Info_NB_IoT.ra_ResponseWindowSize_r13 = configuration->rach_raResponseWindowSize_NB;
  rach_Info_NB_IoT.mac_ContentionResolutionTimer_r13 = configuration-> rach_macContentionResolutionTimer_NB;
  //rach_infoList max size = maxNPRACH-Resources-NB-r13 = 3
  ASN_SEQUENCE_ADD(&sib2_NB_IoT->radioResourceConfigCommon_r13.rach_ConfigCommon_r13.rach_InfoList_r13.list,&rach_Info_NB_IoT);

  //TS 36.331 pag 614 --> if not present the value to infinity sould be used
  *connEstFailOffset = 0;
  
  sib2_NB_IoT->radioResourceConfigCommon_r13.rach_ConfigCommon_r13.connEstFailOffset_r13 = connEstFailOffset; /*OPTIONAL*/


  // BCCH-Config-NB-IoT----------------------------------------------------------------
  sib2_NB_IoT->radioResourceConfigCommon_r13.bcch_Config_r13.modificationPeriodCoeff_r13
    = configuration->bcch_modificationPeriodCoeff_NB;

  // PCCH-Config-NB-IoT-----------------------------------------------------------------
  sib2_NB_IoT->radioResourceConfigCommon_r13.pcch_Config_r13.defaultPagingCycle_r13
    = configuration->pcch_defaultPagingCycle_NB;
  sib2_NB_IoT->radioResourceConfigCommon_r13.pcch_Config_r13.nB_r13 = configuration->pcch_nB_NB;
  sib2_NB_IoT->radioResourceConfigCommon_r13.pcch_Config_r13.npdcch_NumRepetitionPaging_r13 = configuration-> pcch_npdcch_NumRepetitionPaging_NB;

  //NPRACH-Config-NB-IoT-----------------------------------------------------------------

  sib2_NB_IoT->radioResourceConfigCommon_r13.nprach_Config_r13.rsrp_ThresholdsPrachInfoList_r13 = NULL; 
  sib2_NB_IoT->radioResourceConfigCommon_r13.nprach_Config_r13.nprach_CP_Length_r13 = configuration->nprach_CP_Length;
  /*OPTIONAL*/
//   =CALLOC(1, sizeof(struct RSRP_ThresholdsNPRACH_InfoList_NB_r13)); //fatto uguale dopo
//   rsrp_ThresholdsPrachInfoList = sib2_NB_IoT->radioResourceConfigCommon_r13.nprach_Config_r13.rsrp_ThresholdsPrachInfoList_r13;
//   rsrp_range = configuration->nprach_rsrp_range_NB;
//   ASN_SEQUENCE_ADD(&rsrp_ThresholdsPrachInfoList->list,rsrp_range);

  // According configuration to set the 3 CE level configuration setting

  nprach_parameters[0].nprach_Periodicity_r13               = configuration->nprach_Periodicity[0];
  nprach_parameters[0].nprach_StartTime_r13                 = configuration->nprach_StartTime[0];
  nprach_parameters[0].nprach_SubcarrierOffset_r13          = configuration->nprach_SubcarrierOffset[0];
  nprach_parameters[0].nprach_NumSubcarriers_r13            = configuration->nprach_NumSubcarriers[0];
  nprach_parameters[0].numRepetitionsPerPreambleAttempt_r13 = configuration->numRepetitionsPerPreambleAttempt_NB[0];
  nprach_parameters[0].nprach_SubcarrierMSG3_RangeStart_r13 = configuration->nprach_SubcarrierMSG3_RangeStart;
  nprach_parameters[0].maxNumPreambleAttemptCE_r13          = configuration->maxNumPreambleAttemptCE_NB;
  nprach_parameters[0].npdcch_NumRepetitions_RA_r13         = configuration->npdcch_NumRepetitions_RA[0];
  nprach_parameters[0].npdcch_StartSF_CSS_RA_r13            = configuration->npdcch_StartSF_CSS_RA[0];
  nprach_parameters[0].npdcch_Offset_RA_r13                 = configuration->npdcch_Offset_RA[0];

  nprach_parameters[1].nprach_Periodicity_r13               = configuration->nprach_Periodicity[1];
  nprach_parameters[1].nprach_StartTime_r13                 = configuration->nprach_StartTime[1];
  nprach_parameters[1].nprach_SubcarrierOffset_r13          = configuration->nprach_SubcarrierOffset[1];
  nprach_parameters[1].nprach_NumSubcarriers_r13            = configuration->nprach_NumSubcarriers[1];
  nprach_parameters[1].numRepetitionsPerPreambleAttempt_r13 = configuration->numRepetitionsPerPreambleAttempt_NB[1];
  nprach_parameters[1].nprach_SubcarrierMSG3_RangeStart_r13 = configuration->nprach_SubcarrierMSG3_RangeStart;
  nprach_parameters[1].maxNumPreambleAttemptCE_r13          = configuration->maxNumPreambleAttemptCE_NB;
  nprach_parameters[1].npdcch_NumRepetitions_RA_r13         = configuration->npdcch_NumRepetitions_RA[1];
  nprach_parameters[1].npdcch_StartSF_CSS_RA_r13            = configuration->npdcch_StartSF_CSS_RA[1];
  nprach_parameters[1].npdcch_Offset_RA_r13                 = configuration->npdcch_Offset_RA[1];

  nprach_parameters[2].nprach_Periodicity_r13               = configuration->nprach_Periodicity[2];
  nprach_parameters[2].nprach_StartTime_r13                 = configuration->nprach_StartTime[2];
  nprach_parameters[2].nprach_SubcarrierOffset_r13          = configuration->nprach_SubcarrierOffset[2];
  nprach_parameters[2].nprach_NumSubcarriers_r13            = configuration->nprach_NumSubcarriers[2];
  nprach_parameters[2].numRepetitionsPerPreambleAttempt_r13 = configuration->numRepetitionsPerPreambleAttempt_NB[2];
  nprach_parameters[2].nprach_SubcarrierMSG3_RangeStart_r13 = configuration->nprach_SubcarrierMSG3_RangeStart;
  nprach_parameters[2].maxNumPreambleAttemptCE_r13          = configuration->maxNumPreambleAttemptCE_NB;
  nprach_parameters[2].npdcch_NumRepetitions_RA_r13         = configuration->npdcch_NumRepetitions_RA[2];
  nprach_parameters[2].npdcch_StartSF_CSS_RA_r13            = configuration->npdcch_StartSF_CSS_RA[2];
  nprach_parameters[2].npdcch_Offset_RA_r13                 = configuration->npdcch_Offset_RA[2];


  //nprach_parameterList have a max size of 3 possible nprach configuration (see maxNPRACH_Resources_NB_r13)
  ASN_SEQUENCE_ADD(&sib2_NB_IoT->radioResourceConfigCommon_r13.nprach_Config_r13.nprach_ParametersList_r13.list,&nprach_parameters[0]);
  ASN_SEQUENCE_ADD(&sib2_NB_IoT->radioResourceConfigCommon_r13.nprach_Config_r13.nprach_ParametersList_r13.list,&nprach_parameters[1]);
  ASN_SEQUENCE_ADD(&sib2_NB_IoT->radioResourceConfigCommon_r13.nprach_Config_r13.nprach_ParametersList_r13.list,&nprach_parameters[2]);
  
  // NPDSCH-Config NB-IOT
  sib2_NB_IoT->radioResourceConfigCommon_r13.npdsch_ConfigCommon_r13.nrs_Power_r13= configuration->npdsch_nrs_Power;


  //NPUSCH-Config NB-IoT----------------------------------------------------------------
  //list of size 3 (see maxNPRACH_Resources_NB_r13)
  ack_nack_repetition = configuration-> npusch_ack_nack_numRepetitions_NB; //is an enumerative
  ASN_SEQUENCE_ADD(&(sib2_NB_IoT->radioResourceConfigCommon_r13.npusch_ConfigCommon_r13.ack_NACK_NumRepetitions_Msg4_r13.list) ,&ack_nack_repetition);

  *srs_SubframeConfig = configuration->npusch_srs_SubframeConfig_NB;
  sib2_NB_IoT->radioResourceConfigCommon_r13.npusch_ConfigCommon_r13.srs_SubframeConfig_r13= srs_SubframeConfig; /*OPTIONAL*/


  /*OPTIONAL*/
  dmrs_config = CALLOC(1,sizeof(struct NPUSCH_ConfigCommon_NB_r13__dmrs_Config_r13));
  dmrs_config->threeTone_CyclicShift_r13 = configuration->npusch_threeTone_CyclicShift_r13;
  dmrs_config->sixTone_CyclicShift_r13 = configuration->npusch_sixTone_CyclicShift_r13;

  /*OPTIONAL
   * -define the base sequence for a DMRS sequence in a cell with multi tone transmission (3,6,12) see TS 36.331 NPUSCH-Config-NB
   * -if not defined will be calculated based on the cellID once we configure the phy layer (rrc_mac_config_req) through the config_sib2 */
  dmrs_config->threeTone_BaseSequence_r13 = NULL;
  dmrs_config->sixTone_BaseSequence_r13 = NULL;
  dmrs_config->twelveTone_BaseSequence_r13 = NULL;

  sib2_NB_IoT->radioResourceConfigCommon_r13.npusch_ConfigCommon_r13.dmrs_Config_r13 = dmrs_config;

  //ulReferenceSignalsNPUSCH
  /*Reference Signal (RS) for UL in NB-IoT is called DRS (Demodulation Reference Signal)
   * sequence-group hopping can be enabled or disabled by means of the cell-specific parameter groupHoppingEnabled_r13
   * sequence-group hopping can be disabled for certain specific UE through the parameter groupHoppingDisabled (physicalConfigDedicated)
   * groupAssignmentNPUSCH--> is used for generate the sequence-shift pattern
   */
  sib2_NB_IoT->radioResourceConfigCommon_r13.npusch_ConfigCommon_r13.ul_ReferenceSignalsNPUSCH_r13.groupHoppingEnabled_r13= configuration->npusch_groupHoppingEnabled;
  sib2_NB_IoT->radioResourceConfigCommon_r13.npusch_ConfigCommon_r13.ul_ReferenceSignalsNPUSCH_r13.groupAssignmentNPUSCH_r13 =configuration->npusch_groupAssignmentNPUSCH_r13;


  //dl_GAP---------------------------------------------------------------------------------/*OPTIONAL*/
  dl_Gap = CALLOC(1,sizeof(struct DL_GapConfig_NB_r13));
  dl_Gap->dl_GapDurationCoeff_r13= configuration-> dl_GapDurationCoeff_NB;
  dl_Gap->dl_GapPeriodicity_r13= configuration->dl_GapPeriodicity_NB;
  dl_Gap->dl_GapThreshold_r13= configuration->dl_GapThreshold_NB;
  sib2_NB_IoT->radioResourceConfigCommon_r13.dl_Gap_r13 = dl_Gap;


  // uplinkPowerControlCommon - NB-IoT------------------------------------------------------
  sib2_NB_IoT->radioResourceConfigCommon_r13.uplinkPowerControlCommon_r13.p0_NominalNPUSCH_r13 = configuration->npusch_p0_NominalNPUSCH;
  sib2_NB_IoT->radioResourceConfigCommon_r13.uplinkPowerControlCommon_r13.deltaPreambleMsg3_r13 = configuration->deltaPreambleMsg3;
  sib2_NB_IoT->radioResourceConfigCommon_r13.uplinkPowerControlCommon_r13.alpha_r13 = configuration->npusch_alpha;
  //no deltaFlist_PUCCH and no UL cyclic prefix

  // UE Timers and Constants -NB-IoT--------------------------------------------------------
  sib2_NB_IoT->ue_TimersAndConstants_r13.t300_r13 = configuration-> ue_TimersAndConstants_t300_NB;
  sib2_NB_IoT->ue_TimersAndConstants_r13.t301_r13 = configuration-> ue_TimersAndConstants_t301_NB;
  sib2_NB_IoT->ue_TimersAndConstants_r13.t310_r13 = configuration-> ue_TimersAndConstants_t310_NB;
  sib2_NB_IoT->ue_TimersAndConstants_r13.t311_r13 = configuration-> ue_TimersAndConstants_t311_NB;
  sib2_NB_IoT->ue_TimersAndConstants_r13.n310_r13 = configuration-> ue_TimersAndConstants_n310_NB;
  sib2_NB_IoT->ue_TimersAndConstants_r13.n311_r13 = configuration-> ue_TimersAndConstants_n311_NB;

  //other SIB2-NB Parameters--------------------------------------------------------------------------------
  sib2_NB_IoT->freqInfo_r13.additionalSpectrumEmission_r13 = 1;
  sib2_NB_IoT->freqInfo_r13.ul_CarrierFreq_r13 = NULL; /*OPTIONAL*/

  sib2_NB_IoT->timeAlignmentTimerCommon_r13=TimeAlignmentTimer_infinity;//TimeAlignmentTimer_sf5120;

  /*OPTIONAL*/
  sib2_NB_IoT->multiBandInfoList_r13 = NULL;

/// SIB3-NB-------------------------------------------------------

  sib3_NB_IoT->cellReselectionInfoCommon_r13.q_Hyst_r13=SystemInformationBlockType3_NB_r13__cellReselectionInfoCommon_r13__q_Hyst_r13_dB4;
  sib3_NB_IoT->cellReselectionServingFreqInfo_r13.s_NonIntraSearch_r13=0; //or define in configuration?

  sib3_NB_IoT->intraFreqCellReselectionInfo_r13.q_RxLevMin_r13 = -70;
  //new
  sib3_NB_IoT->intraFreqCellReselectionInfo_r13.q_QualMin_r13 = CALLOC(1,sizeof(*sib3_NB_IoT->intraFreqCellReselectionInfo_r13.q_QualMin_r13));
  *(sib3_NB_IoT->intraFreqCellReselectionInfo_r13.q_QualMin_r13)= 10; //a caso

  sib3_NB_IoT->intraFreqCellReselectionInfo_r13.p_Max_r13 = NULL;
  sib3_NB_IoT->intraFreqCellReselectionInfo_r13.s_IntraSearchP_r13 = 31; // s_intraSearch --> s_intraSearchP!!! (they call in a different way)
  sib3_NB_IoT->intraFreqCellReselectionInfo_r13.t_Reselection_r13=1;

  //how to manage?
  sib3_NB_IoT->freqBandInfo_r13 = NULL;
  sib3_NB_IoT->multiBandInfoList_r13 = NULL;


///BCCH message (generate the SI message)
  bcch_message->message.present = BCCH_DL_SCH_MessageType_NB_PR_c1;
  bcch_message->message.choice.c1.present = BCCH_DL_SCH_MessageType_NB__c1_PR_systemInformation_r13;

  bcch_message->message.choice.c1.choice.systemInformation_r13.criticalExtensions.present = SystemInformation_NB__criticalExtensions_PR_systemInformation_r13;
  bcch_message->message.choice.c1.choice.systemInformation_r13.criticalExtensions.choice.systemInformation_r13.sib_TypeAndInfo_r13.list.count=0;

  ASN_SEQUENCE_ADD(&bcch_message->message.choice.c1.choice.systemInformation_r13.criticalExtensions.choice.systemInformation_r13.sib_TypeAndInfo_r13.list,
                   sib2_NB_part);
  ASN_SEQUENCE_ADD(&bcch_message->message.choice.c1.choice.systemInformation_r13.criticalExtensions.choice.systemInformation_r13.sib_TypeAndInfo_r13.list,
                   sib3_NB_part);

#ifdef XER_PRINT
  xer_fprint(stdout, &asn_DEF_BCCH_DL_SCH_Message_NB, (void*)bcch_message);
#endif
  enc_rval = uper_encode_to_buffer(&asn_DEF_BCCH_DL_SCH_Message_NB,
                                   (void*)bcch_message,
                                   carrier->SIB23_NB_IoT,
                                   900);
//  AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %lu)!\n",
//               enc_rval.failed_type->name, enc_rval.encoded);

//#if defined(ENABLE_ITTI).....


#ifdef USER_MODE
  LOG_D(RRC,"[NB-IoT] SystemInformation-NB Encoded %zd bits (%zd bytes)\n",enc_rval.encoded,(enc_rval.encoded+7)/8);
#endif

  if (enc_rval.encoded==-1) {
    msg("[RRC] ASN1 : SI-NB encoding failed for SIB23_NB_IoT\n");
    return(-1);
  }

  carrier->sib2_NB_IoT = sib2_NB_IoT;
  carrier->sib3_NB_IoT = sib3_NB_IoT;

  return((enc_rval.encoded+7)/8);
}

/*do_RRCConnectionSetup_NB_IoT--> the aim is to establish SRB1 and SRB1bis(implicitly)*/
uint8_t do_RRCConnectionSetup_NB_IoT(
  const protocol_ctxt_t*     const ctxt_pP,
  rrc_eNB_ue_context_NB_IoT_t*      const ue_context_pP,
  int                              CC_id,
  uint8_t*                   const buffer, //Srb0.Tx_buffer.Payload
  const uint8_t                    Transaction_id,
  const NB_IoT_DL_FRAME_PARMS* const frame_parms, // maybe not used
  SRB_ToAddModList_NB_r13_t**             SRB_configList_NB_IoT, //for both SRB1bis and SRB1
  struct PhysicalConfigDedicated_NB_r13** physicalConfigDedicated_NB_IoT
)

{

 asn_enc_rval_t enc_rval;


 //MP:logical channel group not defined for Nb-IoT

 //MP: logical channel priority pag 605 (is 1 for SRB1 and for SRB1bis should be the same)
 //long* prioritySRB1 = NULL;
 long* prioritySRB1bis = NULL;
 BOOLEAN_t* logicalChannelSR_Prohibit =NULL; //pag 605
 BOOLEAN_t* npusch_AllSymbols= NULL;

// struct SRB_ToAddMod_NB_r13* SRB1_config_NB = NULL;
// struct SRB_ToAddMod_NB_r13__rlc_Config_r13* SRB1_rlc_config_NB = NULL;
// struct SRB_ToAddMod_NB_r13__logicalChannelConfig_r13* SRB1_lchan_config_NB = NULL;

 struct SRB_ToAddMod_NB_r13* SRB1bis_config_NB_IoT = NULL;
 struct SRB_ToAddMod_NB_r13__rlc_Config_r13* SRB1bis_rlc_config_NB_IoT = NULL;
 struct SRB_ToAddMod_NB_r13__logicalChannelConfig_r13* SRB1bis_lchan_config_NB_IoT = NULL;

 //No UL_specific parameters for NB-IoT in LogicalChanelConfig-NB

 PhysicalConfigDedicated_NB_r13_t* physicalConfigDedicated2_NB_IoT = NULL;
 DL_CCCH_Message_NB_t dl_ccch_msg_NB_IoT;
 RRCConnectionSetup_NB_t* rrcConnectionSetup_NB_IoT = NULL;

 memset((void *)&dl_ccch_msg_NB_IoT,0,sizeof(DL_CCCH_Message_NB_t));
 dl_ccch_msg_NB_IoT.message.present = DL_CCCH_MessageType_NB_PR_c1;
 dl_ccch_msg_NB_IoT.message.choice.c1.present = DL_CCCH_MessageType_NB__c1_PR_rrcConnectionSetup_r13;
 rrcConnectionSetup_NB_IoT = &dl_ccch_msg_NB_IoT.message.choice.c1.choice.rrcConnectionSetup_r13;


 if (*SRB_configList_NB_IoT) {
   free(*SRB_configList_NB_IoT);
 }
 *SRB_configList_NB_IoT = CALLOC(1,sizeof(SRB_ToAddModList_NB_r13_t));

/// SRB1--------------------
 {
// SRB1_config_NB = CALLOC(1,sizeof(*SRB1_config_NB));
//
// //no srb_Identity in SRB_ToAddMod_NB
//
// SRB1_rlc_config_NB = CALLOC(1,sizeof(*SRB1_rlc_config_NB));
// SRB1_config_NB->rlc_Config_r13   = SRB1_rlc_config_NB;
//
// SRB1_rlc_config_NB->present = SRB_ToAddMod_NB_r13__rlc_Config_r13_PR_explicitValue;
// SRB1_rlc_config_NB->choice.explicitValue.present=RLC_Config_NB_r13_PR_am;//the only possible in NB_IoT
//
//// SRB1_rlc_config_NB->choice.explicitValue.choice.am.ul_AM_RLC_r13.t_PollRetransmit_r13 = enb_properties.properties[ctxt_pP->module_id]->srb1_timer_poll_retransmit_r13;
//// SRB1_rlc_config_NB->choice.explicitValue.choice.am.ul_AM_RLC_r13.maxRetxThreshold_r13 = enb_properties.properties[ctxt_pP->module_id]->srb1_max_retx_threshold_r13;
//// //(musT be disabled--> SRB1 config pag 640 specs )
//// SRB1_rlc_config_NB->choice.explicitValue.choice.am.dl_AM_RLC_r13.enableStatusReportSN_Gap_r13 =NULL;
//
//
// SRB1_rlc_config_NB->choice.explicitValue.choice.am.ul_AM_RLC_r13.t_PollRetransmit_r13 = T_PollRetransmit_NB_r13_ms25000;
// SRB1_rlc_config_NB->choice.explicitValue.choice.am.ul_AM_RLC_r13.maxRetxThreshold_r13 = UL_AM_RLC_NB_r13__maxRetxThreshold_r13_t8;
// //(musT be disabled--> SRB1 config pag 640 specs )
// SRB1_rlc_config_NB->choice.explicitValue.choice.am.dl_AM_RLC_r13.enableStatusReportSN_Gap_r13 = NULL;
//
// SRB1_lchan_config_NB = CALLOC(1,sizeof(*SRB1_lchan_config_NB));
// SRB1_config_NB->logicalChannelConfig_r13  = SRB1_lchan_config_NB;
//
// SRB1_lchan_config_NB->present = SRB_ToAddMod_NB_r13__logicalChannelConfig_r13_PR_explicitValue;
//
//
// prioritySRB1 = CALLOC(1, sizeof(long));
// *prioritySRB1 = 1;
// SRB1_lchan_config_NB->choice.explicitValue.priority_r13 = prioritySRB1;
//
// logicalChannelSR_Prohibit = CALLOC(1, sizeof(BOOLEAN_t));
// *logicalChannelSR_Prohibit = 1;
// //schould be set to TRUE (specs pag 641)
// SRB1_lchan_config_NB->choice.explicitValue.logicalChannelSR_Prohibit_r13 = logicalChannelSR_Prohibit;
//
// //ADD SRB1
// ASN_SEQUENCE_ADD(&(*SRB_configList_NB_IoT)->list,SRB1_config_NB);
 }

///SRB1bis (The configuration for SRB1 and SRB1bis is the same) the only difference is the logical channel identity = 3 but not set here

		 SRB1bis_config_NB_IoT = CALLOC(1,sizeof(*SRB1bis_config_NB_IoT));

		 //no srb_Identity in SRB_ToAddMod_NB
		 SRB1bis_rlc_config_NB_IoT = CALLOC(1,sizeof(*SRB1bis_rlc_config_NB_IoT));
		 SRB1bis_config_NB_IoT->rlc_Config_r13   = SRB1bis_rlc_config_NB_IoT;

		 SRB1bis_rlc_config_NB_IoT->present = SRB_ToAddMod_NB_r13__rlc_Config_r13_PR_explicitValue;
		 SRB1bis_rlc_config_NB_IoT->choice.explicitValue.present=RLC_Config_NB_r13_PR_am;//MP: the only possible RLC config in NB_IoT

		 SRB1bis_rlc_config_NB_IoT->choice.explicitValue.choice.am.ul_AM_RLC_r13.t_PollRetransmit_r13 = T_PollRetransmit_NB_r13_ms25000;
		 SRB1bis_rlc_config_NB_IoT->choice.explicitValue.choice.am.ul_AM_RLC_r13.maxRetxThreshold_r13 = UL_AM_RLC_NB_r13__maxRetxThreshold_r13_t8;
		 //(musT be disabled--> SRB1 config pag 640 specs )
		 SRB1bis_rlc_config_NB_IoT->choice.explicitValue.choice.am.dl_AM_RLC_r13.enableStatusReportSN_Gap_r13 =NULL;

		 SRB1bis_lchan_config_NB_IoT = CALLOC(1,sizeof(*SRB1bis_lchan_config_NB_IoT));
		 SRB1bis_config_NB_IoT->logicalChannelConfig_r13  = SRB1bis_lchan_config_NB_IoT;

		 SRB1bis_lchan_config_NB_IoT->present = SRB_ToAddMod_NB_r13__logicalChannelConfig_r13_PR_explicitValue;

		 prioritySRB1bis = CALLOC(1, sizeof(long));
		 *prioritySRB1bis = 1; //same as SRB1?
		 SRB1bis_lchan_config_NB_IoT->choice.explicitValue.priority_r13 = prioritySRB1bis;

		 logicalChannelSR_Prohibit = CALLOC(1, sizeof(BOOLEAN_t));
		 *logicalChannelSR_Prohibit = 1; //schould be set to TRUE (specs pag 641)
		 SRB1bis_lchan_config_NB_IoT->choice.explicitValue.logicalChannelSR_Prohibit_r13 = logicalChannelSR_Prohibit;

		 //ADD SRB1bis
		 //MP: Actually there is no way to distinguish SRB1 and SRB1bis once put in the list
		 //MP: SRB_ToAddModList_NB_r13_t size = 1
		 ASN_SEQUENCE_ADD(&(*SRB_configList_NB_IoT)->list,SRB1bis_config_NB_IoT);


 // PhysicalConfigDedicated (NPDCCH, NPUSCH, CarrierConfig, UplinkPowerControl)

 physicalConfigDedicated2_NB_IoT = CALLOC(1,sizeof(*physicalConfigDedicated2_NB_IoT));
 *physicalConfigDedicated_NB_IoT = physicalConfigDedicated2_NB_IoT;

 physicalConfigDedicated2_NB_IoT->carrierConfigDedicated_r13= CALLOC(1, sizeof(*physicalConfigDedicated2_NB_IoT->carrierConfigDedicated_r13));
 physicalConfigDedicated2_NB_IoT->npdcch_ConfigDedicated_r13 = CALLOC(1,sizeof(*physicalConfigDedicated2_NB_IoT->npdcch_ConfigDedicated_r13));
 physicalConfigDedicated2_NB_IoT->npusch_ConfigDedicated_r13 = CALLOC(1,sizeof(*physicalConfigDedicated2_NB_IoT->npusch_ConfigDedicated_r13));
 physicalConfigDedicated2_NB_IoT->uplinkPowerControlDedicated_r13 = CALLOC(1,sizeof(*physicalConfigDedicated2_NB_IoT->uplinkPowerControlDedicated_r13));

 //no tpc, no cqi and no pucch, no pdsch, no soundingRS, no AntennaInfo, no scheduling request config

 /*
  * NB-IoT supports the operation with either one or two antenna ports, AP0 and AP1.
  * For the latter case, Space Frequency Block Coding (SFBC) is applied.
  * Once selected, the same transmission scheme applies to NPBCH, NPDCCH, and NPDSCH.
  * */

 //FIXME: MP: CarrierConfigDedicated check the set values ----------------------------------------------

  //DL

 physicalConfigDedicated2_NB_IoT->carrierConfigDedicated_r13->dl_CarrierConfig_r13.dl_CarrierFreq_r13.carrierFreq_r13=0;//random value set
 physicalConfigDedicated2_NB_IoT->carrierConfigDedicated_r13->dl_CarrierConfig_r13.downlinkBitmapNonAnchor_r13= CALLOC(1,sizeof(struct DL_CarrierConfigDedicated_NB_r13__downlinkBitmapNonAnchor_r13));
		 physicalConfigDedicated2_NB_IoT->carrierConfigDedicated_r13->dl_CarrierConfig_r13.downlinkBitmapNonAnchor_r13->present=
				 	 	 	 	 	 	 	 	 DL_CarrierConfigDedicated_NB_r13__downlinkBitmapNonAnchor_r13_PR_useNoBitmap_r13;

 physicalConfigDedicated2_NB_IoT->carrierConfigDedicated_r13->dl_CarrierConfig_r13.dl_GapNonAnchor_r13 = CALLOC(1,sizeof(struct DL_CarrierConfigDedicated_NB_r13__dl_GapNonAnchor_r13));
 physicalConfigDedicated2_NB_IoT->carrierConfigDedicated_r13->dl_CarrierConfig_r13.dl_GapNonAnchor_r13->present =
		  	  	  	  	  	  	  	  	  	  	  DL_CarrierConfigDedicated_NB_r13__dl_GapNonAnchor_r13_PR_useNoGap_r13;

 physicalConfigDedicated2_NB_IoT->carrierConfigDedicated_r13->dl_CarrierConfig_r13.inbandCarrierInfo_r13= NULL;

  //UL
 physicalConfigDedicated2_NB_IoT->carrierConfigDedicated_r13->ul_CarrierConfig_r13.ul_CarrierFreq_r13= NULL;

 // NPDCCH
 physicalConfigDedicated2_NB_IoT->npdcch_ConfigDedicated_r13->npdcch_NumRepetitions_r13 =0;
 physicalConfigDedicated2_NB_IoT->npdcch_ConfigDedicated_r13->npdcch_Offset_USS_r13 =0;
 physicalConfigDedicated2_NB_IoT->npdcch_ConfigDedicated_r13->npdcch_StartSF_USS_r13=0;

 // NPUSCH //(specs TS 36.331 v14.2.1 pag 643) /* OPTIONAL */
 physicalConfigDedicated2_NB_IoT->npusch_ConfigDedicated_r13->ack_NACK_NumRepetitions_r13= NULL;
 npusch_AllSymbols= CALLOC(1, sizeof(BOOLEAN_t));
 *npusch_AllSymbols= 1; //TRUE
 physicalConfigDedicated2_NB_IoT->npusch_ConfigDedicated_r13->npusch_AllSymbols_r13= npusch_AllSymbols; /* OPTIONAL */
 physicalConfigDedicated2_NB_IoT->npusch_ConfigDedicated_r13->groupHoppingDisabled_r13=NULL; /* OPTIONAL */

 // UplinkPowerControlDedicated
 physicalConfigDedicated2_NB_IoT->uplinkPowerControlDedicated_r13->p0_UE_NPUSCH_r13 = 0; // 0 dB (specs TS36.331 v14.2.1 pag 643)


 //Fill the rrcConnectionSetup-NB message
 rrcConnectionSetup_NB_IoT->rrc_TransactionIdentifier = Transaction_id; //input value
 rrcConnectionSetup_NB_IoT->criticalExtensions.present = RRCConnectionSetup_NB__criticalExtensions_PR_c1;
 rrcConnectionSetup_NB_IoT->criticalExtensions.choice.c1.present =RRCConnectionSetup_NB__criticalExtensions__c1_PR_rrcConnectionSetup_r13 ;
 //MP: carry only SRB1bis at the moment and phyConfigDedicated
 rrcConnectionSetup_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionSetup_r13.radioResourceConfigDedicated_r13.srb_ToAddModList_r13 = *SRB_configList_NB_IoT;
 rrcConnectionSetup_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionSetup_r13.radioResourceConfigDedicated_r13.drb_ToAddModList_r13 = NULL;
 rrcConnectionSetup_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionSetup_r13.radioResourceConfigDedicated_r13.drb_ToReleaseList_r13 = NULL;
 rrcConnectionSetup_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionSetup_r13.radioResourceConfigDedicated_r13.rlf_TimersAndConstants_r13 = NULL;
 rrcConnectionSetup_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionSetup_r13.radioResourceConfigDedicated_r13.physicalConfigDedicated_r13 = physicalConfigDedicated2_NB_IoT;
 rrcConnectionSetup_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionSetup_r13.radioResourceConfigDedicated_r13.mac_MainConfig_r13 = NULL;

#ifdef XER_PRINT
 xer_fprint(stdout, &asn_DEF_DL_CCCH_Message, (void*)&dl_ccch_msg);
#endif
 enc_rval = uper_encode_to_buffer(&asn_DEF_DL_CCCH_Message_NB,
                                  (void*)&dl_ccch_msg_NB_IoT,
                                  buffer,
                                  100);

 if (enc_rval.encoded <= 0) {
     LOG_F(RRC, "ASN1 message encoding failed (%s, %lu)!\n",
              enc_rval.failed_type->name, enc_rval.encoded);
 }

#ifdef USER_MODE
 LOG_D(RRC,"RRCConnectionSetup-NB Encoded %zd bits (%zd bytes), ecause %d\n",
       enc_rval.encoded,(enc_rval.encoded+7)/8,ecause);
#endif

 return((enc_rval.encoded+7)/8);
}

/*do_SecurityModeCommand - exactly the same as previous implementation*/
uint8_t do_SecurityModeCommand_NB_IoT(
  const protocol_ctxt_t* const ctxt_pP,
  uint8_t* const buffer,
  const uint8_t Transaction_id,
  const uint8_t cipheringAlgorithm,
  const uint8_t integrityProtAlgorithm)
{
  DL_DCCH_Message_NB_t dl_dcch_msg_NB_IoT;
  asn_enc_rval_t enc_rval;

  memset(&dl_dcch_msg_NB_IoT,0,sizeof(DL_DCCH_Message_NB_t));

  dl_dcch_msg_NB_IoT.message.present = DL_DCCH_MessageType_NB_PR_c1;
  dl_dcch_msg_NB_IoT.message.choice.c1.present = DL_DCCH_MessageType_NB__c1_PR_securityModeCommand_r13;

  dl_dcch_msg_NB_IoT.message.choice.c1.choice.securityModeCommand_r13.rrc_TransactionIdentifier = Transaction_id;
  dl_dcch_msg_NB_IoT.message.choice.c1.choice.securityModeCommand_r13.criticalExtensions.present = SecurityModeCommand__criticalExtensions_PR_c1;

  dl_dcch_msg_NB_IoT.message.choice.c1.choice.securityModeCommand_r13.criticalExtensions.choice.c1.present =
		  SecurityModeCommand__criticalExtensions__c1_PR_securityModeCommand_r8;

  // the two following information could be based on the mod_id
  dl_dcch_msg_NB_IoT.message.choice.c1.choice.securityModeCommand_r13.criticalExtensions.choice.c1.choice.securityModeCommand_r8.securityConfigSMC.securityAlgorithmConfig.cipheringAlgorithm
    = (CipheringAlgorithm_r12_t)cipheringAlgorithm; //bug solved

  dl_dcch_msg_NB_IoT.message.choice.c1.choice.securityModeCommand_r13.criticalExtensions.choice.c1.choice.securityModeCommand_r8.securityConfigSMC.securityAlgorithmConfig.integrityProtAlgorithm
    = (e_SecurityAlgorithmConfig__integrityProtAlgorithm)integrityProtAlgorithm;

//only changed "asn_DEF_DL_DCCH_Message_NB"
#ifdef XER_PRINT
  xer_fprint(stdout, &asn_DEF_DL_DCCH_Message_NB, (void*)&dl_dcch_msg_NB_IoT);
#endif
  enc_rval = uper_encode_to_buffer(&asn_DEF_DL_DCCH_Message_NB,
                                   (void*)&dl_dcch_msg_NB_IoT,
                                   buffer,
                                   100);
  if (enc_rval.encoded <= 0) {
      LOG_F(RRC, "ASN1 message encoding failed (%s, %lu)!\n",
               enc_rval.failed_type->name, enc_rval.encoded);
  }


//#if defined(ENABLE_ITTI)
//# if !defined(DISABLE_XER_SPRINT)....

#ifdef USER_MODE
  LOG_D(RRC,"[NB-IoT %d] securityModeCommand-NB for UE %x Encoded %zd bits (%zd bytes)\n",
        ctxt_pP->module_id,
        ctxt_pP->rnti,
        enc_rval.encoded,
        (enc_rval.encoded+7)/8);
#endif

  if (enc_rval.encoded==-1) {
    LOG_E(RRC,"[NB-IoT %d] ASN1 : securityModeCommand-NB encoding failed for UE %x\n",
          ctxt_pP->module_id,
          ctxt_pP->rnti);
    return(-1);
  }

  return((enc_rval.encoded+7)/8);
}

/*do_UECapabilityEnquiry_NB_IoT - very similar to legacy lte*/
uint8_t do_UECapabilityEnquiry_NB_IoT(
  const protocol_ctxt_t* const ctxt_pP,
  uint8_t*               const buffer,
  const uint8_t                Transaction_id
)

{

  DL_DCCH_Message_NB_t dl_dcch_msg_NB_IoT;
  //no RAT type in NB-IoT
  asn_enc_rval_t enc_rval;

  memset(&dl_dcch_msg_NB_IoT,0,sizeof(DL_DCCH_Message_NB_t));

  dl_dcch_msg_NB_IoT.message.present           = DL_DCCH_MessageType_NB_PR_c1;
  dl_dcch_msg_NB_IoT.message.choice.c1.present = DL_DCCH_MessageType_NB__c1_PR_ueCapabilityEnquiry_r13;

  dl_dcch_msg_NB_IoT.message.choice.c1.choice.ueCapabilityEnquiry_r13.rrc_TransactionIdentifier = Transaction_id;

  dl_dcch_msg_NB_IoT.message.choice.c1.choice.ueCapabilityEnquiry_r13.criticalExtensions.present = UECapabilityEnquiry_NB__criticalExtensions_PR_c1;
  dl_dcch_msg_NB_IoT.message.choice.c1.choice.ueCapabilityEnquiry_r13.criticalExtensions.choice.c1.present =
		  UECapabilityEnquiry_NB__criticalExtensions__c1_PR_ueCapabilityEnquiry_r13;

  //no ue_CapabilityRequest (list of RAT_Type)

//only changed "asn_DEF_DL_DCCH_Message_NB"
#ifdef XER_PRINT
  xer_fprint(stdout, &asn_DEF_DL_DCCH_Message_NB, (void*)&dl_dcch_msg_NB_IoT);
#endif
  enc_rval = uper_encode_to_buffer(&asn_DEF_DL_DCCH_Message_NB,
                                   (void*)&dl_dcch_msg_NB_IoT,
                                   buffer,
                                   100);
  if (enc_rval.encoded <= 0) {
     LOG_F(RRC, "ASN1 message encoding failed (%s, %lu)!\n",
               enc_rval.failed_type->name, enc_rval.encoded);
    }

//#if defined(ENABLE_ITTI)
//# if !defined(DISABLE_XER_SPRINT)....

#ifdef USER_MODE
  LOG_D(RRC,"[NB-IoT %d] UECapabilityEnquiry-NB for UE %x Encoded %zd bits (%zd bytes)\n",
        ctxt_pP->module_id,
        ctxt_pP->rnti,
        enc_rval.encoded,
        (enc_rval.encoded+7)/8);
#endif

  if (enc_rval.encoded==-1) {
    LOG_E(RRC,"[NB-IoT %d] ASN1 : UECapabilityEnquiry-NB encoding failed for UE %x\n",
          ctxt_pP->module_id,
          ctxt_pP->rnti);
    return(-1);
  }

  return((enc_rval.encoded+7)/8);
}

/*do_RRCConnectionReconfiguration_NB_IoT-->may convey information for resource configuration
 * (including RBs, MAC main configuration and physical channel configuration)
 * including any associated dedicated NAS information.*/
uint16_t do_RRCConnectionReconfiguration_NB_IoT(
  const protocol_ctxt_t*        const ctxt_pP,
    uint8_t                            *buffer,
    uint8_t                             Transaction_id,
    SRB_ToAddModList_NB_r13_t          *SRB1_list_NB, //SRB_ConfigList2 (default)--> only SRB1
    DRB_ToAddModList_NB_r13_t          *DRB_list_NB_IoT, //DRB_ConfigList (default)
    DRB_ToReleaseList_NB_r13_t         *DRB_list2_NB_IoT, //is NULL when passed
    struct PhysicalConfigDedicated_NB_r13     *physicalConfigDedicated_NB_IoT,
	MAC_MainConfig_NB_r13_t                   *mac_MainConfig_NB_IoT,
  struct RRCConnectionReconfiguration_NB_r13_IEs__dedicatedInfoNASList_r13* dedicatedInfoNASList_NB_IoT)

{

 //check on DRB_list if contains more than 2 DRB?

  asn_enc_rval_t enc_rval;
  DL_DCCH_Message_NB_t dl_dcch_msg_NB_IoT;
  RRCConnectionReconfiguration_NB_t *rrcConnectionReconfiguration_NB;


  memset(&dl_dcch_msg_NB_IoT,0,sizeof(DL_DCCH_Message_NB_t));

  dl_dcch_msg_NB_IoT.message.present           = DL_DCCH_MessageType_NB_PR_c1;
  dl_dcch_msg_NB_IoT.message.choice.c1.present = DL_DCCH_MessageType_NB__c1_PR_rrcConnectionReconfiguration_r13;
  rrcConnectionReconfiguration_NB          = &dl_dcch_msg_NB_IoT.message.choice.c1.choice.rrcConnectionReconfiguration_r13;

  // RRCConnectionReconfiguration
  rrcConnectionReconfiguration_NB->rrc_TransactionIdentifier = Transaction_id;
  rrcConnectionReconfiguration_NB->criticalExtensions.present = RRCConnectionReconfiguration_NB__criticalExtensions_PR_c1;
  rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.present =RRCConnectionReconfiguration_NB__criticalExtensions__c1_PR_rrcConnectionReconfiguration_r13 ;

  //RAdioResourceconfigDedicated
  rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r13.radioResourceConfigDedicated_r13 =
		  CALLOC(1,sizeof(*rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r13.radioResourceConfigDedicated_r13));
  rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r13.radioResourceConfigDedicated_r13->srb_ToAddModList_r13 = SRB1_list_NB; //only SRB1
  rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r13.radioResourceConfigDedicated_r13->drb_ToAddModList_r13 = DRB_list_NB_IoT;
  rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r13.radioResourceConfigDedicated_r13->drb_ToReleaseList_r13 = DRB_list2_NB_IoT; //NULL
  rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r13.radioResourceConfigDedicated_r13->physicalConfigDedicated_r13 = physicalConfigDedicated_NB_IoT;
  //FIXME may not used now
  //rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r13.radioResourceConfigDedicated_r13->rlf_TimersAndConstants_r13

  if (mac_MainConfig_NB_IoT!=NULL) {
    rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r13.radioResourceConfigDedicated_r13->mac_MainConfig_r13 =
    		CALLOC(1, sizeof(*rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r13.radioResourceConfigDedicated_r13->mac_MainConfig_r13));
    rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r13.radioResourceConfigDedicated_r13->mac_MainConfig_r13->present
      =RadioResourceConfigDedicated_NB_r13__mac_MainConfig_r13_PR_explicitValue_r13;
   //why memcopy only this one?
    memcpy(&rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r13.radioResourceConfigDedicated_r13->mac_MainConfig_r13->choice.explicitValue_r13,
           mac_MainConfig_NB_IoT, sizeof(*mac_MainConfig_NB_IoT));

  } else {
	  rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r13.radioResourceConfigDedicated_r13->mac_MainConfig_r13=NULL;
  }

  //no measConfig, measIDlist
  //no mobilityControlInfo

  rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r13.dedicatedInfoNASList_r13 = dedicatedInfoNASList_NB_IoT;
  //mainly used for cell-reselection/handover purposes??
  rrcConnectionReconfiguration_NB->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r13.fullConfig_r13 = NULL;

  enc_rval = uper_encode_to_buffer(&asn_DEF_DL_DCCH_Message_NB,
                                   (void*)&dl_dcch_msg_NB_IoT,
                                   buffer,
                                   RRC_BUF_SIZE);
  if (enc_rval.encoded <= 0) {
     LOG_F(RRC, "ASN1 message encoding failed %s, %li\n",
               enc_rval.failed_type->name, enc_rval.encoded);
  }

  //changed only asn_DEF_DL_DCCH_Message_NB
#ifdef XER_PRINT
  xer_fprint(stdout,&asn_DEF_DL_DCCH_Message_NB,(void*)&dl_dcch_msg_NB_IoT);
#endif

//#if defined(ENABLE_ITTI)
//# if !defined(DISABLE_XER_SPRINT)...


  LOG_I(RRC,"RRCConnectionReconfiguration-NB Encoded %zd bits (%zd bytes)\n",enc_rval.encoded,(enc_rval.encoded+7)/8);

  return((enc_rval.encoded+7)/8);
}

/*do_RRCConnectionReestablishmentReject - exactly the same as legacy LTE*/
uint8_t do_RRCConnectionReestablishmentReject_NB_IoT(
    uint8_t                    Mod_id,
    uint8_t*                   const buffer)
{

  asn_enc_rval_t enc_rval;

  DL_CCCH_Message_NB_t dl_ccch_msg_NB_IoT;
  RRCConnectionReestablishmentReject_t *rrcConnectionReestablishmentReject;

  memset((void *)&dl_ccch_msg_NB_IoT,0,sizeof(DL_CCCH_Message_NB_t));
  dl_ccch_msg_NB_IoT.message.present = DL_CCCH_MessageType_NB_PR_c1;
  dl_ccch_msg_NB_IoT.message.choice.c1.present = DL_CCCH_MessageType_NB__c1_PR_rrcConnectionReestablishmentReject_r13;
  rrcConnectionReestablishmentReject    = &dl_ccch_msg_NB_IoT.message.choice.c1.choice.rrcConnectionReestablishmentReject_r13;

  // RRCConnectionReestablishmentReject //exactly the same as LTE
  rrcConnectionReestablishmentReject->criticalExtensions.present = RRCConnectionReestablishmentReject__criticalExtensions_PR_rrcConnectionReestablishmentReject_r8;

  //Only change in "asn_DEF_DL_CCCH_Message_NB"
#ifdef XER_PRINT
  xer_fprint(stdout, &asn_DEF_DL_CCCH_Message_NB, (void*)&dl_ccch_msg_NB_IoT);
#endif
  enc_rval = uper_encode_to_buffer(&asn_DEF_DL_CCCH_Message_NB,
                                   (void*)&dl_ccch_msg_NB_IoT,
                                   buffer,
                                   100);
  if (enc_rval.encoded <= 0) {
     LOG_F(RRC,"ASN1 message encoding failed (%s, %lu)!\n",
               enc_rval.failed_type->name, enc_rval.encoded);
  }

  //Only change in "asn_DEF_DL_CCCH_Message_NB"
#if defined(ENABLE_ITTI)
# if !defined(DISABLE_XER_SPRINT)
  {
    char        message_string[20000];
    size_t      message_string_size;

    if ((message_string_size = xer_sprint(message_string, sizeof(message_string), &asn_DEF_DL_CCCH_Message_NB, (void *) &dl_ccch_msg_NB_IoT)) > 0) {
      MessageDef *msg_p;

      msg_p = itti_alloc_new_message_sized (TASK_RRC_ENB_NB_IoT, RRC_DL_CCCH, message_string_size + sizeof (IttiMsgText));
      msg_p->ittiMsg.rrc_dl_ccch.size = message_string_size;
      memcpy(&msg_p->ittiMsg.rrc_dl_ccch.text, message_string, message_string_size);

      itti_send_msg_to_task(TASK_UNKNOWN, Mod_id, msg_p);
    }
  }
# endif
#endif

#ifdef USER_MODE
  LOG_D(RRC,"RRCConnectionReestablishmentReject Encoded %zd bits (%zd bytes)\n",
        enc_rval.encoded,(enc_rval.encoded+7)/8);
#endif

  return((enc_rval.encoded+7)/8);
}

/*do_RRCConnectionReject_NB_IoT*/
uint8_t do_RRCConnectionReject_NB_IoT(
    uint8_t                    Mod_id,
    uint8_t*                   const buffer)

{

  asn_enc_rval_t enc_rval;

  DL_CCCH_Message_NB_t          dl_ccch_msg_NB_IoT;
  RRCConnectionReject_NB_t      *rrcConnectionReject_NB_IoT;

  memset((void *)&dl_ccch_msg_NB_IoT,0,sizeof(DL_CCCH_Message_NB_t));
  dl_ccch_msg_NB_IoT.message.present           = DL_CCCH_MessageType_NB_PR_c1;
  dl_ccch_msg_NB_IoT.message.choice.c1.present = DL_CCCH_MessageType_NB__c1_PR_rrcConnectionReject_r13;
  rrcConnectionReject_NB_IoT = &dl_ccch_msg_NB_IoT.message.choice.c1.choice.rrcConnectionReject_r13;

  // RRCConnectionReject-NB_IoT
  rrcConnectionReject_NB_IoT->criticalExtensions.present = RRCConnectionReject_NB__criticalExtensions_PR_c1;
  rrcConnectionReject_NB_IoT->criticalExtensions.choice.c1.present = RRCConnectionReject_NB__criticalExtensions__c1_PR_rrcConnectionReject_r13;
  /* let's put an extended wait time of 1s for the moment */
  rrcConnectionReject_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionReject_r13.extendedWaitTime_r13 = 1;
  //new-use of suspend indication
  //If present, this field indicates that the UE should remain suspended and not release its stored context.
  rrcConnectionReject_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionReject_r13.rrc_SuspendIndication_r13=
		  CALLOC(1, sizeof(long));
  *(rrcConnectionReject_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionReject_r13.rrc_SuspendIndication_r13)=
		  RRCConnectionReject_NB_r13_IEs__rrc_SuspendIndication_r13_true;

  //Only Modified "asn_DEF_DL_CCCH_Message_NB"
#ifdef XER_PRINT
  xer_fprint(stdout, &asn_DEF_DL_CCCH_Message_NB, (void*)&dl_ccch_msg);
#endif
  enc_rval = uper_encode_to_buffer(&asn_DEF_DL_CCCH_Message_NB,
                                   (void*)&dl_ccch_msg_NB_IoT,
                                   buffer,
                                   100);
  if (enc_rval.encoded <= 0) {
     LOG_F(RRC, "ASN1 message encoding failed (%s, %ld)!\n",
               enc_rval.failed_type->name, enc_rval.encoded);
  }

#if defined(ENABLE_ITTI)
# if !defined(DISABLE_XER_SPRINT)
  {
    char        message_string[20000];
    size_t      message_string_size;

    if ((message_string_size = xer_sprint(message_string, sizeof(message_string), &asn_DEF_DL_CCCH_Message_NB, (void *) &dl_ccch_msg_NB_IoT)) > 0) {
      MessageDef *msg_p;

      msg_p = itti_alloc_new_message_sized (TASK_RRC_ENB_NB_IoT, RRC_DL_CCCH, message_string_size + sizeof (IttiMsgText));
      msg_p->ittiMsg.rrc_dl_ccch.size = message_string_size;
      memcpy(&msg_p->ittiMsg.rrc_dl_ccch.text, message_string, message_string_size);

      itti_send_msg_to_task(TASK_UNKNOWN, Mod_id, msg_p);
    }
  }
# endif
#endif

#ifdef USER_MODE
  LOG_D(RRC,"RRCConnectionReject-NB Encoded %zd bits (%zd bytes)\n",
        enc_rval.encoded,(enc_rval.encoded+7)/8);
#endif

  return((enc_rval.encoded+7)/8);
}


//no do_MBSFNAreaConfig(..) in NB-IoT
//no do_MeasurementReport(..) in NB-IoT

/*do_DLInformationTransfer_NB*/
uint8_t do_DLInformationTransfer_NB_IoT(
		uint8_t Mod_id,
		uint8_t **buffer,
		uint8_t transaction_id,
		uint32_t pdu_length,
		uint8_t *pdu_buffer)

{
  ssize_t encoded;

  DL_DCCH_Message_NB_t dl_dcch_msg_NB_IoT;

  memset(&dl_dcch_msg_NB_IoT, 0, sizeof(DL_DCCH_Message_NB_t));

  dl_dcch_msg_NB_IoT.message.present           = DL_DCCH_MessageType_NB_PR_c1;
  dl_dcch_msg_NB_IoT.message.choice.c1.present = DL_DCCH_MessageType_NB__c1_PR_dlInformationTransfer_r13;
  dl_dcch_msg_NB_IoT.message.choice.c1.choice.dlInformationTransfer_r13.rrc_TransactionIdentifier = transaction_id;
  dl_dcch_msg_NB_IoT.message.choice.c1.choice.dlInformationTransfer_r13.criticalExtensions.present = DLInformationTransfer_NB__criticalExtensions_PR_c1;
  dl_dcch_msg_NB_IoT.message.choice.c1.choice.dlInformationTransfer_r13.criticalExtensions.choice.c1.present = DLInformationTransfer_NB__criticalExtensions__c1_PR_dlInformationTransfer_r13;
  dl_dcch_msg_NB_IoT.message.choice.c1.choice.dlInformationTransfer_r13.criticalExtensions.choice.c1.choice.dlInformationTransfer_r13.dedicatedInfoNAS_r13.size = pdu_length;
  dl_dcch_msg_NB_IoT.message.choice.c1.choice.dlInformationTransfer_r13.criticalExtensions.choice.c1.choice.dlInformationTransfer_r13.dedicatedInfoNAS_r13.buf = pdu_buffer;

  encoded = uper_encode_to_new_buffer (&asn_DEF_DL_DCCH_Message_NB, NULL, (void*) &dl_dcch_msg_NB_IoT, (void **) buffer);

  //only change in "asn_DEF_DL_DCCH_Message_NB"
#if defined(ENABLE_ITTI)
# if !defined(DISABLE_XER_SPRINT)
  {
    char        message_string[10000];
    size_t      message_string_size;

    if ((message_string_size = xer_sprint(message_string, sizeof(message_string), &asn_DEF_DL_DCCH_Message_NB, (void *)&dl_dcch_msg_NB_IoT)) > 0) {
      MessageDef *msg_p;

      msg_p = itti_alloc_new_message_sized (TASK_RRC_ENB_NB_IoT, RRC_DL_DCCH, message_string_size + sizeof (IttiMsgText));
      msg_p->ittiMsg.rrc_dl_dcch.size = message_string_size;
      memcpy(&msg_p->ittiMsg.rrc_dl_dcch.text, message_string, message_string_size);

      itti_send_msg_to_task(TASK_UNKNOWN, Mod_id, msg_p);
    }
  }
# endif
#endif

  return encoded;
}

/*do_ULInformationTransfer*/
//for the moment is not needed (UE-SIDE)

/*OAI_UECapability_t *fill_ue_capability*/

/*do_RRCConnectionReestablishment_NB-->used to re-establish SRB1*/ //which parameter to use?
uint8_t do_RRCConnectionReestablishment_NB_IoT(
		uint8_t Mod_id,
		uint8_t* const buffer,
		const uint8_t     Transaction_id,
		const NB_IoT_DL_FRAME_PARMS* const frame_parms, //to be changed
		SRB_ToAddModList_NB_r13_t*      SRB_list_NB_IoT) //should contain SRB1 already configured?
{

	asn_enc_rval_t enc_rval;
	DL_CCCH_Message_NB_t dl_ccch_msg_NB_IoT;
	RRCConnectionReestablishment_NB_t* rrcConnectionReestablishment_NB_IoT;

	memset(&dl_ccch_msg_NB_IoT, 0, sizeof(DL_CCCH_Message_NB_t));

	dl_ccch_msg_NB_IoT.message.present = DL_CCCH_MessageType_NB_PR_c1;
	dl_ccch_msg_NB_IoT.message.choice.c1.present = DL_CCCH_MessageType_NB__c1_PR_rrcConnectionReestablishment_r13;
	rrcConnectionReestablishment_NB_IoT = &dl_ccch_msg_NB_IoT.message.choice.c1.choice.rrcConnectionReestablishment_r13;

	//rrcConnectionReestablishment_NB
	rrcConnectionReestablishment_NB_IoT->rrc_TransactionIdentifier = Transaction_id;
	rrcConnectionReestablishment_NB_IoT->criticalExtensions.present = RRCConnectionReestablishment_NB__criticalExtensions_PR_c1;
	rrcConnectionReestablishment_NB_IoT->criticalExtensions.choice.c1.present = RRCConnectionReestablishment_NB__criticalExtensions__c1_PR_rrcConnectionReestablishment_r13;

	rrcConnectionReestablishment_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r13.radioResourceConfigDedicated_r13.srb_ToAddModList_r13 = SRB_list_NB_IoT;
	rrcConnectionReestablishment_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r13.radioResourceConfigDedicated_r13.drb_ToAddModList_r13 = NULL;
	rrcConnectionReestablishment_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r13.radioResourceConfigDedicated_r13.drb_ToReleaseList_r13 = NULL;
	rrcConnectionReestablishment_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r13.radioResourceConfigDedicated_r13.rlf_TimersAndConstants_r13= NULL;
	rrcConnectionReestablishment_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r13.radioResourceConfigDedicated_r13.mac_MainConfig_r13= NULL;
	rrcConnectionReestablishment_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r13.radioResourceConfigDedicated_r13.physicalConfigDedicated_r13 = NULL;

	rrcConnectionReestablishment_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionReestablishment_r13.nextHopChainingCount_r13=0;

	enc_rval = uper_encode_to_buffer(&asn_DEF_DL_CCCH_Message_NB,
	                                   (void*)&dl_ccch_msg_NB_IoT,
	                                   buffer,
	                                   RRC_BUF_SIZE);

	if (enc_rval.encoded <= 0) {
           LOG_F(RRC, "ASN1 message encoding failed (%s, %li)!\n",
	               enc_rval.failed_type->name, enc_rval.encoded);
        }

#ifdef XER_PRINT
  xer_fprint(stdout,&asn_DEF_DL_CCCH_Message_NB,(void*)&dl_ccch_msg_NB_IoT);
#endif

#if defined(ENABLE_ITTI)
# if !defined(DISABLE_XER_SPRINT)
  {
    char        message_string[30000];
    size_t      message_string_size;

    if ((message_string_size = xer_sprint(message_string, sizeof(message_string), &asn_DEF_DL_CCCH_Message_NB, (void *) &dl_ccch_msg_NB_IoT)) > 0) {
      MessageDef *msg_p;

      msg_p = itti_alloc_new_message_sized (TASK_RRC_ENB_NB_IoT, RRC_DL_CCCH, message_string_size + sizeof (IttiMsgText));
      msg_p->ittiMsg.rrc_dl_ccch.size = message_string_size;
      memcpy(&msg_p->ittiMsg.rrc_dl_ccch.text, message_string, message_string_size);

      itti_send_msg_to_task(TASK_UNKNOWN, Mod_id, msg_p);
    }
  }
# endif
#endif

  LOG_I(RRC,"RRCConnectionReestablishment-NB Encoded %zd bits (%zd bytes)\n",enc_rval.encoded,(enc_rval.encoded+7)/8);
  return 0;
}

/*do_RRCConnectionRelease_NB--> is used to command the release of an RRC connection*/
uint8_t do_RRCConnectionRelease_NB_IoT(
  uint8_t                             Mod_id,
  uint8_t                            *buffer,
 const uint8_t                             Transaction_id)
{

  asn_enc_rval_t enc_rval;

  DL_DCCH_Message_NB_t dl_dcch_msg_NB_IoT;
  RRCConnectionRelease_NB_t *rrcConnectionRelease_NB_IoT;


  memset(&dl_dcch_msg_NB_IoT,0,sizeof(DL_DCCH_Message_NB_t));

  dl_dcch_msg_NB_IoT.message.present           = DL_DCCH_MessageType_NB_PR_c1;
  dl_dcch_msg_NB_IoT.message.choice.c1.present = DL_DCCH_MessageType_NB__c1_PR_rrcConnectionRelease_r13;
  rrcConnectionRelease_NB_IoT                  = &dl_dcch_msg_NB_IoT.message.choice.c1.choice.rrcConnectionRelease_r13;

  // RRCConnectionRelease
  rrcConnectionRelease_NB_IoT->rrc_TransactionIdentifier = Transaction_id;
  rrcConnectionRelease_NB_IoT->criticalExtensions.present = RRCConnectionRelease_NB__criticalExtensions_PR_c1;
  rrcConnectionRelease_NB_IoT->criticalExtensions.choice.c1.present =RRCConnectionRelease_NB__criticalExtensions__c1_PR_rrcConnectionRelease_r13 ;

  rrcConnectionRelease_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionRelease_r13.releaseCause_r13 = ReleaseCause_NB_r13_other;
  rrcConnectionRelease_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionRelease_r13.redirectedCarrierInfo_r13 = NULL;
  rrcConnectionRelease_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionRelease_r13.extendedWaitTime_r13 = NULL;

  //Why allocate memory for non critical extension?
  rrcConnectionRelease_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionRelease_r13.nonCriticalExtension=CALLOC(1,
      sizeof(*rrcConnectionRelease_NB_IoT->criticalExtensions.choice.c1.choice.rrcConnectionRelease_r13.nonCriticalExtension));

  enc_rval = uper_encode_to_buffer(&asn_DEF_DL_DCCH_Message_NB,
                                   (void*)&dl_dcch_msg_NB_IoT,
                                   buffer,
                                   RRC_BUF_SIZE);//check

  return((enc_rval.encoded+7)/8);
}