A Discrete-Event Network Simulator
API
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lte-amc.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2010 TELEMATICS LAB, DEE - Politecnico di Bari
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Original Author: Giuseppe Piro <g.piro@poliba.it>
19  * Modified by: Marco Miozzo <mmiozzo@cttc.es>
20  * Nicola Baldo <nbaldo@cttc.es>
21  */
22 
23 
24 #include <ns3/lte-amc.h>
25 #include <ns3/log.h>
26 #include <ns3/assert.h>
27 #include <math.h>
28 #include <vector>
29 #include <ns3/spectrum-value.h>
30 #include <ns3/double.h>
31 #include "ns3/enum.h"
32 #include <ns3/lte-mi-error-model.h>
33 
34 #ifdef __FreeBSD__
35 #define log2(x) (log(x)/M_LN2)
36 #endif
37 
38 NS_LOG_COMPONENT_DEFINE ("LteAmc");
39 
40 namespace ns3 {
41 
43 
44 // from 3GPP R1-081483 "Conveying MCS and TB size via PDCCH"
45 // file TBS_support.xls
46 // tab "MCS table" (rounded to 2 decimal digits)
47 // the index in the vector (0-15) identifies the CQI value
49  0.0, // out of range
50  0.15, 0.23, 0.38, 0.6, 0.88, 1.18,
51  1.48, 1.91, 2.41,
52  2.73, 3.32, 3.9, 4.52, 5.12, 5.55
53 };
54 
55 
56 // Table 7.1.7.1-1 of 3GPP TS 36.213 v8.8.0
57 // the index in the vector (range 0-31; valid values 0-28) identifies the MCS index
58 // note that this is similar to the one in R1-081483 but:
59 // 1) a few values are different
60 // 2) in R1-081483, a valid MCS index is in the range 1-30 (not 0-28)
62  2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
63  4, 4, 4, 4, 4, 4, 4,
64  6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
65  2, // reserved
66  4, // reserved
67  6, // reserved
68 };
69 
70 
71 // from 3GPP R1-081483 "Conveying MCS and TB size via PDCCH"
72 // file TBS_support.xls
73 // tab "MCS table" (rounded to 2 decimal digits)
74 // the index in the table corresponds to the MCS index according to the convention in TS 36.213
75 // (i.e., the MCS index reported in R1-081483 minus one)
77  0.15, 0.19, 0.23, 0.31, 0.38, 0.49, 0.6, 0.74, 0.88, 1.03, 1.18,
78  1.33, 1.48, 1.7, 1.91, 2.16, 2.41, 2.57,
79  2.73, 3.03, 3.32, 3.61, 3.9, 4.21, 4.52, 4.82, 5.12, 5.33, 5.55,
80  0, 0, 0
81 };
82 
83 // Table 7.1.7.1-1 of 3GPP TS 36.213 v8.8.0
84 int McsToItbs[29] = {
85  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 9, 10, 11, 12, 13, 14, 15, 15, 16, 17, 18,
86  19, 20, 21, 22, 23, 24, 25, 26
87 };
88 
89 
90 // 3GPP TS 36.213 v8.8.0 Table 7.1.7.2.1-1: Transport block size table (dimension 27×110)
91 // for NPRB = 1 and Itbs = 6 the stadard returns 328, but it not consisent with the
92 // other values, therefore we used 88 obtained following the sequence of NPRB = 1 values
93 int TransportBlockSizeTable [110][27] = {
94 
95  /* NPRB 001*/
96  { 16, 24, 32, 40, 56, 72, 88, 104, 120, 136, 144, 176, 208, 224, 256, 280, 328, 336, 376, 408, 440, 488, 520, 552, 584, 616, 712},
97  /* NPRB 002*/ { 32, 56, 72, 104, 120, 144, 176, 224, 256, 296, 328, 376, 440, 488, 552, 600, 632, 696, 776, 840, 904, 1000, 1064, 1128, 1192, 1256, 1480},
98  /* NPRB 003*/ { 56, 88, 144, 176, 208, 224, 256, 328, 392, 456, 504, 584, 680, 744, 840, 904, 968, 1064, 1160, 1288, 1384, 1480, 1608, 1736, 1800, 1864, 2216},
99  /* NPRB 004*/ { 88, 144, 176, 208, 256, 328, 392, 472, 536, 616, 680, 776, 904, 1000, 1128, 1224, 1288, 1416, 1544, 1736, 1864, 1992, 2152, 2280, 2408, 2536, 2984},
100  /* NPRB 005*/ { 120, 176, 208, 256, 328, 424, 504, 584, 680, 776, 872, 1000, 1128, 1256, 1416, 1544, 1608, 1800, 1992, 2152, 2344, 2472, 2664, 2856, 2984, 3112, 3752},
101  /* NPRB 006*/ { 152, 208, 256, 328, 408, 504, 600, 712, 808, 936, 1032, 1192, 1352, 1544, 1736, 1800, 1928, 2152, 2344, 2600, 2792, 2984, 3240, 3496, 3624, 3752, 4392},
102  /* NPRB 007*/ { 176, 224, 296, 392, 488, 600, 712, 840, 968, 1096, 1224, 1384, 1608, 1800, 1992, 2152, 2280, 2536, 2792, 2984, 3240, 3496, 3752, 4008, 4264, 4392, 5160},
103  /* NPRB 008*/ { 208, 256, 328, 440, 552, 680, 808, 968, 1096, 1256, 1384, 1608, 1800, 2024, 2280, 2472, 2600, 2856, 3112, 3496, 3752, 4008, 4264, 4584, 4968, 5160, 5992},
104  /* NPRB 009*/ { 224, 328, 376, 504, 632, 776, 936, 1096, 1256, 1416, 1544, 1800, 2024, 2280, 2600, 2728, 2984, 3240, 3624, 3880, 4136, 4584, 4776, 5160, 5544, 5736, 6712},
105  /* NPRB 010*/ { 256, 344, 424, 568, 696, 872, 1032, 1224, 1384, 1544, 1736, 2024, 2280, 2536, 2856, 3112, 3240, 3624, 4008, 4264, 4584, 4968, 5352, 5736, 5992, 6200, 7480},
106  /* NPRB 011*/ { 288, 376, 472, 616, 776, 968, 1128, 1320, 1544, 1736, 1928, 2216, 2472, 2856, 3112, 3368, 3624, 4008, 4392, 4776, 5160, 5544, 5992, 6200, 6712, 6968, 8248},
107  /* NPRB 012*/ { 328, 424, 520, 680, 840, 1032, 1224, 1480, 1672, 1864, 2088, 2408, 2728, 3112, 3496, 3624, 3880, 4392, 4776, 5160, 5544, 5992, 6456, 6968, 7224, 7480, 8760},
108  /* NPRB 013*/ { 344, 456, 568, 744, 904, 1128, 1352, 1608, 1800, 2024, 2280, 2600, 2984, 3368, 3752, 4008, 4264, 4776, 5160, 5544, 5992, 6456, 6968, 7480, 7992, 8248, 9528},
109  /* NPRB 014*/ { 376, 488, 616, 808, 1000, 1224, 1480, 1672, 1928, 2216, 2472, 2792, 3240, 3624, 4008, 4264, 4584, 5160, 5544, 5992, 6456, 6968, 7480, 7992, 8504, 8760, 10296},
110  /* NPRB 015*/ { 392, 520, 648, 872, 1064, 1320, 1544, 1800, 2088, 2344, 2664, 2984, 3368, 3880, 4264, 4584, 4968, 5352, 5992, 6456, 6968, 7480, 7992, 8504, 9144, 9528, 11064},
111  /* NPRB 016*/ { 424, 568, 696, 904, 1128, 1384, 1672, 1928, 2216, 2536, 2792, 3240, 3624, 4136, 4584, 4968, 5160, 5736, 6200, 6968, 7480, 7992, 8504, 9144, 9912, 10296, 11832},
112  /* NPRB 017*/ { 456, 600, 744, 968, 1192, 1480, 1736, 2088, 2344, 2664, 2984, 3496, 3880, 4392, 4968, 5160, 5544, 6200, 6712, 7224, 7992, 8504, 9144, 9912, 10296, 10680, 12576},
113  /* NPRB 018*/ { 488, 632, 776, 1032, 1288, 1544, 1864, 2216, 2536, 2856, 3112, 3624, 4136, 4584, 5160, 5544, 5992, 6456, 7224, 7736, 8248, 9144, 9528, 10296, 11064, 11448, 13536},
114  /* NPRB 019*/ { 504, 680, 840, 1096, 1352, 1672, 1992, 2344, 2664, 2984, 3368, 3880, 4392, 4968, 5544, 5736, 6200, 6712, 7480, 8248, 8760, 9528, 10296, 11064, 11448, 12216, 14112},
115  /* NPRB 020*/ { 536, 712, 872, 1160, 1416, 1736, 2088, 2472, 2792, 3112, 3496, 4008, 4584, 5160, 5736, 6200, 6456, 7224, 7992, 8504, 9144, 9912, 10680, 11448, 12216, 12576, 14688},
116  /* NPRB 021*/ { 568, 744, 936, 1224, 1480, 1864, 2216, 2536, 2984, 3368, 3752, 4264, 4776, 5352, 5992, 6456, 6712, 7480, 8248, 9144, 9912, 10680, 11448, 12216, 12960, 13536, 15264},
117  /* NPRB 022*/ { 600, 776, 968, 1256, 1544, 1928, 2280, 2664, 3112, 3496, 3880, 4392, 4968, 5736, 6200, 6712, 7224, 7992, 8760, 9528, 10296, 11064, 11832, 12576, 13536, 14112, 16416},
118  /* NPRB 023*/ { 616, 808, 1000, 1320, 1608, 2024, 2408, 2792, 3240, 3624, 4008, 4584, 5352, 5992, 6456, 6968, 7480, 8248, 9144, 9912, 10680, 11448, 12576, 12960, 14112, 14688, 16992},
119  /* NPRB 024*/ { 648, 872, 1064, 1384, 1736, 2088, 2472, 2984, 3368, 3752, 4264, 4776, 5544, 6200, 6968, 7224, 7736, 8760, 9528, 10296, 11064, 12216, 12960, 13536, 14688, 15264, 17568},
120  /* NPRB 025*/ { 680, 904, 1096, 1416, 1800, 2216, 2600, 3112, 3496, 4008, 4392, 4968, 5736, 6456, 7224, 7736, 7992, 9144, 9912, 10680, 11448, 12576, 13536, 14112, 15264, 15840, 18336},
121  /* NPRB 026*/ { 712, 936, 1160, 1480, 1864, 2280, 2728, 3240, 3624, 4136, 4584, 5352, 5992, 6712, 7480, 7992, 8504, 9528, 10296, 11064, 12216, 12960, 14112, 14688, 15840, 16416, 19080},
122  /* NPRB 027*/ { 744, 968, 1192, 1544, 1928, 2344, 2792, 3368, 3752, 4264, 4776, 5544, 6200, 6968, 7736, 8248, 8760, 9912, 10680, 11448, 12576, 13536, 14688, 15264, 16416, 16992, 19848},
123  /* NPRB 028*/ { 776, 1000, 1256, 1608, 1992, 2472, 2984, 3368, 3880, 4392, 4968, 5736, 6456, 7224, 7992, 8504, 9144, 10296, 11064, 12216, 12960, 14112, 15264, 15840, 16992, 17568, 20616},
124  /* NPRB 029*/ { 776, 1032, 1288, 1672, 2088, 2536, 2984, 3496, 4008, 4584, 5160, 5992, 6712, 7480, 8248, 8760, 9528, 10296, 11448, 12576, 13536, 14688, 15840, 16416, 17568, 18336, 21384},
125  /* NPRB 030*/ { 808, 1064, 1320, 1736, 2152, 2664, 3112, 3624, 4264, 4776, 5352, 5992, 6712, 7736, 8504, 9144, 9912, 10680, 11832, 12960, 14112, 15264, 16416, 16992, 18336, 19080, 22152},
126  /* NPRB 031*/ { 840, 1128, 1384, 1800, 2216, 2728, 3240, 3752, 4392, 4968, 5544, 6200, 6968, 7992, 8760, 9528, 9912, 11064, 12216, 13536, 14688, 15840, 16992, 17568, 19080, 19848, 22920},
127  /* NPRB 032*/ { 872, 1160, 1416, 1864, 2280, 2792, 3368, 3880, 4584, 5160, 5736, 6456, 7224, 8248, 9144, 9912, 10296, 11448, 12576, 13536, 14688, 15840, 16992, 18336, 19848, 20616, 23688},
128  /* NPRB 033*/ { 904, 1192, 1480, 1928, 2344, 2856, 3496, 4008, 4584, 5160, 5736, 6712, 7480, 8504, 9528, 10296, 10680, 11832, 12960, 14112, 15264, 16416, 17568, 19080, 19848, 20616, 24496},
129  /* NPRB 034*/ { 936, 1224, 1544, 1992, 2408, 2984, 3496, 4136, 4776, 5352, 5992, 6968, 7736, 8760, 9912, 10296, 11064, 12216, 13536, 14688, 15840, 16992, 18336, 19848, 20616, 21384, 25456},
130  /* NPRB 035*/ { 968, 1256, 1544, 2024, 2472, 3112, 3624, 4264, 4968, 5544, 6200, 6968, 7992, 9144, 9912, 10680, 11448, 12576, 14112, 15264, 16416, 17568, 19080, 19848, 21384, 22152, 25456},
131  /* NPRB 036*/ { 1000, 1288, 1608, 2088, 2600, 3112, 3752, 4392, 4968, 5736, 6200, 7224, 8248, 9144, 10296, 11064, 11832, 12960, 14112, 15264, 16992, 18336, 19080, 20616, 22152, 22920, 26416},
132  /* NPRB 037*/ { 1032, 1352, 1672, 2152, 2664, 3240, 3880, 4584, 5160, 5736, 6456, 7480, 8504, 9528, 10680, 11448, 12216, 13536, 14688, 15840, 16992, 18336, 19848, 21384, 22920, 23688, 27376},
133  /* NPRB 038*/ { 1032, 1384, 1672, 2216, 2728, 3368, 4008, 4584, 5352, 5992, 6712, 7736, 8760, 9912, 11064, 11832, 12216, 13536, 15264, 16416, 17568, 19080, 20616, 22152, 22920, 24496, 28336},
134  /* NPRB 039*/ { 1064, 1416, 1736, 2280, 2792, 3496, 4136, 4776, 5544, 6200, 6712, 7736, 8760, 9912, 11064, 11832, 12576, 14112, 15264, 16992, 18336, 19848, 21384, 22152, 23688, 24496, 29296},
135  /* NPRB 040*/ { 1096, 1416, 1800, 2344, 2856, 3496, 4136, 4968, 5544, 6200, 6968, 7992, 9144, 10296, 11448, 12216, 12960, 14688, 15840, 16992, 18336, 19848, 21384, 22920, 24496, 25456, 29296},
136  /* NPRB 041*/ { 1128, 1480, 1800, 2408, 2984, 3624, 4264, 4968, 5736, 6456, 7224, 8248, 9528, 10680, 11832, 12576, 13536, 14688, 16416, 17568, 19080, 20616, 22152, 23688, 25456, 26416, 30576},
137  /* NPRB 042*/ { 1160, 1544, 1864, 2472, 2984, 3752, 4392, 5160, 5992, 6712, 7480, 8504, 9528, 10680, 12216, 12960, 13536, 15264, 16416, 18336, 19848, 21384, 22920, 24496, 25456, 26416, 30576},
138  /* NPRB 043*/ { 1192, 1544, 1928, 2536, 3112, 3752, 4584, 5352, 5992, 6712, 7480, 8760, 9912, 11064, 12216, 12960, 14112, 15264, 16992, 18336, 19848, 21384, 22920, 24496, 26416, 27376, 31704},
139  /* NPRB 044*/ { 1224, 1608, 1992, 2536, 3112, 3880, 4584, 5352, 6200, 6968, 7736, 8760, 9912, 11448, 12576, 13536, 14112, 15840, 17568, 19080, 20616, 22152, 23688, 25456, 26416, 28336, 32856},
140  /* NPRB 045*/ { 1256, 1608, 2024, 2600, 3240, 4008, 4776, 5544, 6200, 6968, 7992, 9144, 10296, 11448, 12960, 13536, 14688, 16416, 17568, 19080, 20616, 22920, 24496, 25456, 27376, 28336, 32856},
141  /* NPRB 046*/ { 1256, 1672, 2088, 2664, 3240, 4008, 4776, 5736, 6456, 7224, 7992, 9144, 10680, 11832, 12960, 14112, 14688, 16416, 18336, 19848, 21384, 22920, 24496, 26416, 28336, 29296, 34008},
142  /* NPRB 047*/ { 1288, 1736, 2088, 2728, 3368, 4136, 4968, 5736, 6456, 7480, 8248, 9528, 10680, 12216, 13536, 14688, 15264, 16992, 18336, 20616, 22152, 23688, 25456, 27376, 28336, 29296, 35160},
143  /* NPRB 048*/ { 1320, 1736, 2152, 2792, 3496, 4264, 4968, 5992, 6712, 7480, 8504, 9528, 11064, 12216, 13536, 14688, 15840, 17568, 19080, 20616, 22152, 24496, 25456, 27376, 29296, 30576, 35160},
144  /* NPRB 049*/ { 1352, 1800, 2216, 2856, 3496, 4392, 5160, 5992, 6968, 7736, 8504, 9912, 11064, 12576, 14112, 15264, 15840, 17568, 19080, 21384, 22920, 24496, 26416, 28336, 29296, 31704, 36696},
145  /* NPRB 050*/ { 1384, 1800, 2216, 2856, 3624, 4392, 5160, 6200, 6968, 7992, 8760, 9912, 11448, 12960, 14112, 15264, 16416, 18336, 19848, 21384, 22920, 25456, 27376, 28336, 30576, 31704, 36696},
146  /* NPRB 051*/ { 1416, 1864, 2280, 2984, 3624, 4584, 5352, 6200, 7224, 7992, 9144, 10296, 11832, 12960, 14688, 15840, 16416, 18336, 19848, 22152, 23688, 25456, 27376, 29296, 31704, 32856, 37888},
147  /* NPRB 052*/ { 1416, 1864, 2344, 2984, 3752, 4584, 5352, 6456, 7224, 8248, 9144, 10680, 11832, 13536, 14688, 15840, 16992, 19080, 20616, 22152, 24496, 26416, 28336, 29296, 31704, 32856, 37888},
148  /* NPRB 053*/ { 1480, 1928, 2344, 3112, 3752, 4776, 5544, 6456, 7480, 8248, 9144, 10680, 12216, 13536, 15264, 16416, 16992, 19080, 21384, 22920, 24496, 26416, 28336, 30576, 32856, 34008, 39232},
149  /* NPRB 054*/ { 1480, 1992, 2408, 3112, 3880, 4776, 5736, 6712, 7480, 8504, 9528, 11064, 12216, 14112, 15264, 16416, 17568, 19848, 21384, 22920, 25456, 27376, 29296, 30576, 32856, 34008, 40576},
150  /* NPRB 055*/ { 1544, 1992, 2472, 3240, 4008, 4776, 5736, 6712, 7736, 8760, 9528, 11064, 12576, 14112, 15840, 16992, 17568, 19848, 22152, 23688, 25456, 27376, 29296, 31704, 34008, 35160, 40576},
151  /* NPRB 056*/ { 1544, 2024, 2536, 3240, 4008, 4968, 5992, 6712, 7736, 8760, 9912, 11448, 12576, 14688, 15840, 16992, 18336, 20616, 22152, 24496, 26416, 28336, 30576, 31704, 34008, 35160, 40576},
152  /* NPRB 057*/ { 1608, 2088, 2536, 3368, 4136, 4968, 5992, 6968, 7992, 9144, 9912, 11448, 12960, 14688, 16416, 17568, 18336, 20616, 22920, 24496, 26416, 28336, 30576, 32856, 35160, 36696, 42368},
153  /* NPRB 058*/ { 1608, 2088, 2600, 3368, 4136, 5160, 5992, 6968, 7992, 9144, 10296, 11832, 12960, 14688, 16416, 17568, 19080, 20616, 22920, 25456, 27376, 29296, 31704, 32856, 35160, 36696, 42368},
154  /* NPRB 059*/ { 1608, 2152, 2664, 3496, 4264, 5160, 6200, 7224, 8248, 9144, 10296, 11832, 13536, 15264, 16992, 18336, 19080, 21384, 23688, 25456, 27376, 29296, 31704, 34008, 36696, 37888, 43816},
155  /* NPRB 060*/ { 1672, 2152, 2664, 3496, 4264, 5352, 6200, 7224, 8504, 9528, 10680, 12216, 13536, 15264, 16992, 18336, 19848, 21384, 23688, 25456, 28336, 30576, 32856, 34008, 36696, 37888, 43816},
156  /* NPRB 061*/ { 1672, 2216, 2728, 3624, 4392, 5352, 6456, 7480, 8504, 9528, 10680, 12216, 14112, 15840, 17568, 18336, 19848, 22152, 24496, 26416, 28336, 30576, 32856, 35160, 36696, 39232, 45352},
157  /* NPRB 062*/ { 1736, 2280, 2792, 3624, 4392, 5544, 6456, 7480, 8760, 9912, 11064, 12576, 14112, 15840, 17568, 19080, 19848, 22152, 24496, 26416, 29296, 31704, 34008, 35160, 37888, 39232, 45352},
158  /* NPRB 063*/ { 1736, 2280, 2856, 3624, 4584, 5544, 6456, 7736, 8760, 9912, 11064, 12576, 14112, 16416, 18336, 19080, 20616, 22920, 24496, 27376, 29296, 31704, 34008, 36696, 37888, 40576, 46888},
159  /* NPRB 064*/ { 1800, 2344, 2856, 3752, 4584, 5736, 6712, 7736, 9144, 10296, 11448, 12960, 14688, 16416, 18336, 19848, 20616, 22920, 25456, 27376, 29296, 31704, 34008, 36696, 39232, 40576, 46888},
160  /* NPRB 065*/ { 1800, 2344, 2856, 3752, 4584, 5736, 6712, 7992, 9144, 10296, 11448, 12960, 14688, 16992, 18336, 19848, 21384, 23688, 25456, 28336, 30576, 32856, 35160, 37888, 39232, 40576, 48936},
161  /* NPRB 066*/ { 1800, 2408, 2984, 3880, 4776, 5736, 6968, 7992, 9144, 10296, 11448, 13536, 15264, 16992, 19080, 20616, 21384, 23688, 26416, 28336, 30576, 32856, 35160, 37888, 40576, 42368, 48936},
162  /* NPRB 067*/ { 1864, 2472, 2984, 3880, 4776, 5992, 6968, 8248, 9528, 10680, 11832, 13536, 15264, 16992, 19080, 20616, 22152, 24496, 26416, 29296, 31704, 34008, 36696, 37888, 40576, 42368, 48936},
163  /* NPRB 068*/ { 1864, 2472, 3112, 4008, 4968, 5992, 6968, 8248, 9528, 10680, 11832, 13536, 15264, 17568, 19848, 20616, 22152, 24496, 27376, 29296, 31704, 34008, 36696, 39232, 42368, 43816, 51024},
164  /* NPRB 069*/ { 1928, 2536, 3112, 4008, 4968, 5992, 7224, 8504, 9528, 11064, 12216, 14112, 15840, 17568, 19848, 21384, 22152, 24496, 27376, 29296, 31704, 35160, 36696, 39232, 42368, 43816, 51024},
165  /* NPRB 070*/ { 1928, 2536, 3112, 4136, 4968, 6200, 7224, 8504, 9912, 11064, 12216, 14112, 15840, 18336, 19848, 21384, 22920, 25456, 27376, 30576, 32856, 35160, 37888, 40576, 42368, 43816, 52752},
166  /* NPRB 071*/ { 1992, 2600, 3240, 4136, 5160, 6200, 7480, 8760, 9912, 11064, 12576, 14112, 16416, 18336, 20616, 22152, 22920, 25456, 28336, 30576, 32856, 35160, 37888, 40576, 43816, 45352, 52752},
167  /* NPRB 072*/ { 1992, 2600, 3240, 4264, 5160, 6200, 7480, 8760, 9912, 11448, 12576, 14688, 16416, 18336, 20616, 22152, 23688, 26416, 28336, 30576, 34008, 36696, 39232, 40576, 43816, 45352, 52752},
168  /* NPRB 073*/ { 2024, 2664, 3240, 4264, 5160, 6456, 7736, 8760, 10296, 11448, 12960, 14688, 16416, 19080, 20616, 22152, 23688, 26416, 29296, 31704, 34008, 36696, 39232, 42368, 45352, 46888, 55056},
169  /* NPRB 074*/ { 2088, 2728, 3368, 4392, 5352, 6456, 7736, 9144, 10296, 11832, 12960, 14688, 16992, 19080, 21384, 22920, 24496, 26416, 29296, 31704, 34008, 36696, 40576, 42368, 45352, 46888, 55056},
170  /* NPRB 075*/ { 2088, 2728, 3368, 4392, 5352, 6712, 7736, 9144, 10680, 11832, 12960, 15264, 16992, 19080, 21384, 22920, 24496, 27376, 29296, 32856, 35160, 37888, 40576, 43816, 45352, 46888, 55056},
171  /* NPRB 076*/ { 2088, 2792, 3368, 4392, 5544, 6712, 7992, 9144, 10680, 11832, 13536, 15264, 17568, 19848, 22152, 23688, 24496, 27376, 30576, 32856, 35160, 37888, 40576, 43816, 46888, 48936, 55056},
172  /* NPRB 077*/ { 2152, 2792, 3496, 4584, 5544, 6712, 7992, 9528, 10680, 12216, 13536, 15840, 17568, 19848, 22152, 23688, 25456, 27376, 30576, 32856, 35160, 39232, 42368, 43816, 46888, 48936, 57336},
173  /* NPRB 078*/ { 2152, 2856, 3496, 4584, 5544, 6968, 8248, 9528, 11064, 12216, 13536, 15840, 17568, 19848, 22152, 23688, 25456, 28336, 30576, 34008, 36696, 39232, 42368, 45352, 46888, 48936, 57336},
174  /* NPRB 079*/ { 2216, 2856, 3496, 4584, 5736, 6968, 8248, 9528, 11064, 12576, 14112, 15840, 18336, 20616, 22920, 24496, 25456, 28336, 31704, 34008, 36696, 39232, 42368, 45352, 48936, 51024, 57336},
175  /* NPRB 080*/ { 2216, 2856, 3624, 4776, 5736, 6968, 8248, 9912, 11064, 12576, 14112, 16416, 18336, 20616, 22920, 24496, 26416, 29296, 31704, 34008, 36696, 40576, 43816, 45352, 48936, 51024, 59256},
176  /* NPRB 081*/ { 2280, 2984, 3624, 4776, 5736, 7224, 8504, 9912, 11448, 12960, 14112, 16416, 18336, 20616, 22920, 24496, 26416, 29296, 31704, 35160, 37888, 40576, 43816, 46888, 48936, 51024, 59256},
177  /* NPRB 082*/ { 2280, 2984, 3624, 4776, 5992, 7224, 8504, 9912, 11448, 12960, 14688, 16416, 19080, 21384, 23688, 25456, 26416, 29296, 32856, 35160, 37888, 40576, 43816, 46888, 51024, 52752, 59256},
178  /* NPRB 083*/ { 2280, 2984, 3752, 4776, 5992, 7224, 8760, 10296, 11448, 12960, 14688, 16992, 19080, 21384, 23688, 25456, 27376, 30576, 32856, 35160, 39232, 42368, 45352, 46888, 51024, 52752, 61664},
179  /* NPRB 084*/ { 2344, 3112, 3752, 4968, 5992, 7480, 8760, 10296, 11832, 13536, 14688, 16992, 19080, 21384, 24496, 25456, 27376, 30576, 32856, 36696, 39232, 42368, 45352, 48936, 51024, 52752, 61664},
180  /* NPRB 085*/ { 2344, 3112, 3880, 4968, 5992, 7480, 8760, 10296, 11832, 13536, 14688, 16992, 19080, 22152, 24496, 26416, 27376, 30576, 34008, 36696, 39232, 42368, 45352, 48936, 52752, 55056, 61664},
181  /* NPRB 086*/ { 2408, 3112, 3880, 4968, 6200, 7480, 9144, 10680, 12216, 13536, 15264, 17568, 19848, 22152, 24496, 26416, 28336, 30576, 34008, 36696, 40576, 43816, 46888, 48936, 52752, 55056, 63776},
182  /* NPRB 087*/ { 2408, 3240, 3880, 5160, 6200, 7736, 9144, 10680, 12216, 13536, 15264, 17568, 19848, 22152, 25456, 26416, 28336, 31704, 34008, 37888, 40576, 43816, 46888, 51024, 52752, 55056, 63776},
183  /* NPRB 088*/ { 2472, 3240, 4008, 5160, 6200, 7736, 9144, 10680, 12216, 14112, 15264, 17568, 19848, 22920, 25456, 27376, 28336, 31704, 35160, 37888, 40576, 43816, 46888, 51024, 52752, 55056, 63776},
184  /* NPRB 089*/ { 2472, 3240, 4008, 5160, 6456, 7736, 9144, 11064, 12576, 14112, 15840, 18336, 20616, 22920, 25456, 27376, 29296, 31704, 35160, 37888, 42368, 45352, 48936, 51024, 55056, 57336, 66592},
185  /* NPRB 090*/ { 2536, 3240, 4008, 5352, 6456, 7992, 9528, 11064, 12576, 14112, 15840, 18336, 20616, 22920, 25456, 27376, 29296, 32856, 35160, 39232, 42368, 45352, 48936, 51024, 55056, 57336, 66592},
186  /* NPRB 091*/ { 2536, 3368, 4136, 5352, 6456, 7992, 9528, 11064, 12576, 14112, 15840, 18336, 20616, 23688, 26416, 28336, 29296, 32856, 36696, 39232, 42368, 45352, 48936, 52752, 55056, 57336, 66592},
187  /* NPRB 092*/ { 2536, 3368, 4136, 5352, 6456, 7992, 9528, 11448, 12960, 14688, 16416, 18336, 21384, 23688, 26416, 28336, 30576, 32856, 36696, 39232, 42368, 46888, 48936, 52752, 57336, 59256, 68808},
188  /* NPRB 093*/ { 2600, 3368, 4136, 5352, 6712, 8248, 9528, 11448, 12960, 14688, 16416, 19080, 21384, 23688, 26416, 28336, 30576, 34008, 36696, 40576, 43816, 46888, 51024, 52752, 57336, 59256, 68808},
189  /* NPRB 094*/ { 2600, 3496, 4264, 5544, 6712, 8248, 9912, 11448, 12960, 14688, 16416, 19080, 21384, 24496, 27376, 29296, 30576, 34008, 37888, 40576, 43816, 46888, 51024, 55056, 57336, 59256, 68808},
190  /* NPRB 095*/ { 2664, 3496, 4264, 5544, 6712, 8248, 9912, 11448, 13536, 15264, 16992, 19080, 21384, 24496, 27376, 29296, 30576, 34008, 37888, 40576, 43816, 46888, 51024, 55056, 57336, 61664, 71112},
191  /* NPRB 096*/ { 2664, 3496, 4264, 5544, 6968, 8504, 9912, 11832, 13536, 15264, 16992, 19080, 22152, 24496, 27376, 29296, 31704, 35160, 37888, 40576, 45352, 48936, 51024, 55056, 59256, 61664, 71112},
192  /* NPRB 097*/ { 2728, 3496, 4392, 5736, 6968, 8504, 10296, 11832, 13536, 15264, 16992, 19848, 22152, 25456, 28336, 29296, 31704, 35160, 37888, 42368, 45352, 48936, 52752, 55056, 59256, 61664, 71112},
193  /* NPRB 098*/ { 2728, 3624, 4392, 5736, 6968, 8760, 10296, 11832, 13536, 15264, 16992, 19848, 22152, 25456, 28336, 30576, 31704, 35160, 39232, 42368, 45352, 48936, 52752, 57336, 59256, 61664, 73712},
194  /* NPRB 099*/ { 2728, 3624, 4392, 5736, 6968, 8760, 10296, 12216, 14112, 15840, 17568, 19848, 22920, 25456, 28336, 30576, 31704, 35160, 39232, 42368, 46888, 48936, 52752, 57336, 61664, 63776, 73712},
195  /* NPRB 100*/ { 2792, 3624, 4584, 5736, 7224, 8760, 10296, 12216, 14112, 15840, 17568, 19848, 22920, 25456, 28336, 30576, 32856, 36696, 39232, 43816, 46888, 51024, 55056, 57336, 61664, 63776, 75376},
196  /* NPRB 101*/ { 2792, 3752, 4584, 5992, 7224, 8760, 10680, 12216, 14112, 15840, 17568, 20616, 22920, 26416, 29296, 30576, 32856, 36696, 40576, 43816, 46888, 51024, 55056, 57336, 61664, 63776, 75376},
197  /* NPRB 102*/ { 2856, 3752, 4584, 5992, 7224, 9144, 10680, 12576, 14112, 16416, 18336, 20616, 23688, 26416, 29296, 31704, 32856, 36696, 40576, 43816, 46888, 51024, 55056, 59256, 61664, 63776, 75376},
198  /* NPRB 103*/ { 2856, 3752, 4584, 5992, 7480, 9144, 10680, 12576, 14688, 16416, 18336, 20616, 23688, 26416, 29296, 31704, 34008, 36696, 40576, 43816, 48936, 51024, 55056, 59256, 63776, 66592, 75376},
199  /* NPRB 104*/ { 2856, 3752, 4584, 5992, 7480, 9144, 10680, 12576, 14688, 16416, 18336, 21384, 23688, 26416, 29296, 31704, 34008, 37888, 40576, 45352, 48936, 52752, 57336, 59256, 63776, 66592, 75376},
200  /* NPRB 105*/ { 2984, 3880, 4776, 6200, 7480, 9144, 11064, 12960, 14688, 16416, 18336, 21384, 23688, 27376, 30576, 31704, 34008, 37888, 42368, 45352, 48936, 52752, 57336, 59256, 63776, 66592, 75376},
201  /* NPRB 106*/ { 2984, 3880, 4776, 6200, 7480, 9528, 11064, 12960, 14688, 16992, 18336, 21384, 24496, 27376, 30576, 32856, 34008, 37888, 42368, 45352, 48936, 52752, 57336, 61664, 63776, 66592, 75376},
202  /* NPRB 107*/ { 2984, 3880, 4776, 6200, 7736, 9528, 11064, 12960, 15264, 16992, 19080, 21384, 24496, 27376, 30576, 32856, 35160, 39232, 42368, 46888, 48936, 52752, 57336, 61664, 66592, 68808, 75376},
203  /* NPRB 108*/ { 2984, 4008, 4776, 6200, 7736, 9528, 11448, 12960, 15264, 16992, 19080, 22152, 24496, 27376, 30576, 32856, 35160, 39232, 42368, 46888, 51024, 55056, 59256, 61664, 66592, 68808, 75376},
204  /* NPRB 109*/ { 2984, 4008, 4968, 6456, 7736, 9528, 11448, 13536, 15264, 16992, 19080, 22152, 24496, 28336, 31704, 34008, 35160, 39232, 43816, 46888, 51024, 55056, 59256, 61664, 66592, 68808, 75376},
205  /* NPRB 110*/ { 3112, 4008, 4968, 6456, 7992, 9528, 11448, 13536, 15264, 17568, 19080, 22152, 25456, 28336, 31704, 34008, 35160, 39232, 43816, 46888, 51024, 55056, 59256, 63776, 66592, 71112, 75376}
206 
207 };
208 
209 
211 {
212 }
213 
214 
216 {
217 }
218 
219 TypeId
221 {
222  static TypeId tid = TypeId ("ns3::LteAmc")
223  .SetParent<Object> ()
224  .AddConstructor<LteAmc> ()
225  .AddAttribute ("Ber",
226  "The requested BER in assigning MCS (default is 0.00005).",
227  DoubleValue (0.00005),
228  MakeDoubleAccessor (&LteAmc::m_ber),
229  MakeDoubleChecker<double> ())
230  .AddAttribute ("AmcModel",
231  "AMC model used to assign CQI",
235  LteAmc::PiroEW2010, "PiroEW2010"));
236  return tid;
237 }
238 
239 
240 int
242 {
243  NS_LOG_FUNCTION (s);
244  NS_ASSERT_MSG (s >= 0.0, "negative spectral efficiency = " << s);
245  int cqi = 0;
246  while ((cqi < 15) && (SpectralEfficiencyForCqi[cqi + 1] < s))
247  {
248  ++cqi;
249  }
250  NS_LOG_LOGIC ("cqi = " << cqi);
251  return cqi;
252 }
253 
254 
255 int
257 {
258  NS_LOG_FUNCTION (cqi);
259  NS_ASSERT_MSG (cqi >= 0 && cqi <= 15, "CQI must be in [0..15] = " << cqi);
260  double spectralEfficiency = SpectralEfficiencyForCqi[cqi];
261  int mcs = 0;
262  while ((mcs < 28) && (SpectralEfficiencyForMcs[mcs + 1] <= spectralEfficiency))
263  {
264  ++mcs;
265  }
266  NS_LOG_LOGIC ("mcs = " << mcs);
267  return mcs;
268 }
269 
270 int
271 LteAmc::GetTbSizeFromMcs (int mcs, int nprb)
272 {
273  NS_LOG_FUNCTION (mcs);
274 
275  NS_ASSERT_MSG (mcs < 29, "MCS=" << mcs);
276  NS_ASSERT_MSG (nprb < 111, "NPRB=" << nprb);
277 
278  int itbs = McsToItbs[mcs];
279  return (TransportBlockSizeTable[nprb - 1][itbs]);
280 }
281 
282 
283 double
285 {
286  NS_LOG_FUNCTION (cqi);
287  NS_ASSERT_MSG (cqi >= 0 && cqi <= 15, "CQI must be in [0..15] = " << cqi);
288  NS_LOG_LOGIC ("Spectral efficiency = " << SpectralEfficiencyForCqi[cqi]);
289  return SpectralEfficiencyForCqi[cqi];
290 }
291 
292 
293 std::vector<int>
294 LteAmc::CreateCqiFeedbacks (const SpectrumValue& sinr, uint8_t rbgSize)
295 {
296  NS_LOG_FUNCTION (this);
297 
298  std::vector<int> cqi;
299  Values::const_iterator it;
300 
301  if (m_amcModel == PiroEW2010)
302  {
303 
304  for (it = sinr.ConstValuesBegin (); it != sinr.ConstValuesEnd (); it++)
305  {
306  double sinr_ = (*it);
307  if (sinr_ == 0.0)
308  {
309  cqi.push_back (-1); // SINR == 0 (linear units) means no signal in this RB
310  }
311  else
312  {
313  /*
314  * Compute the spectral efficiency from the SINR
315  * SINR
316  * spectralEfficiency = log2 (1 + -------------------- )
317  * -ln(5*BER)/1.5
318  * NB: SINR must be expressed in linear units
319  */
320 
321  double s = log2 ( 1 + ( sinr_ /
322  ( (-log (5.0 * m_ber )) / 1.5) ));
323 
324  int cqi_ = GetCqiFromSpectralEfficiency (s);
325 
326  NS_LOG_LOGIC (" PRB =" << cqi.size ()
327  << ", sinr = " << sinr_
328  << " (=" << 10 * log10 (sinr_) << " dB)"
329  << ", spectral efficiency =" << s
330  << ", CQI = " << cqi_ << ", BER = " << m_ber);
331 
332  cqi.push_back (cqi_);
333  }
334  }
335  }
336  else if (m_amcModel == MiErrorModel)
337  {
338  NS_LOG_DEBUG (this << " AMC-VIENNA RBG size " << (uint16_t)rbgSize);
339  NS_ASSERT_MSG (rbgSize > 0, " LteAmc-Vienna: RBG size must be greater than 0");
340  std::vector <int> rbgMap;
341  int rbId = 0;
342  for (it = sinr.ConstValuesBegin (); it != sinr.ConstValuesEnd (); it++)
343  {
344  rbgMap.push_back (rbId++);
345  if ((rbId % rbgSize == 0)||((it+1)==sinr.ConstValuesEnd ()))
346  {
347  uint8_t mcs = 0;
348  double ber = 0.0;
349  while (mcs < 28)
350  {
351  ber = LteMiErrorModel::GetTbError (sinr, rbgMap, (uint16_t)GetTbSizeFromMcs (mcs, rbgSize) / 8, mcs);
352  if (ber > 0.1)
353  break;
354  mcs++;
355 
356  }
357  NS_LOG_DEBUG (this << "\t RBG " << rbId << " MCS " << (uint16_t)mcs << " BER " << ber);
358  int rbgCqi = 0;
359  if ((ber > 0.1)&&(mcs==0))
360  {
361  rbgCqi = 0; // any MCS can guarantee the 10 % of BER
362  }
363  else if (mcs == 28)
364  {
365  rbgCqi = 15; // all MCSs can guarantee the 10 % of BER
366  }
367  else
368  {
369  double s = SpectralEfficiencyForMcs[mcs];
370  rbgCqi = 0;
371  while ((rbgCqi < 15) && (SpectralEfficiencyForCqi[rbgCqi + 1] < s))
372  {
373  ++rbgCqi;
374  }
375  }
376  NS_LOG_DEBUG (this << "\t CQI " << rbgCqi);
377  // fill the cqi vector (per RB basis)
378  for (uint8_t j = 0; j < rbgSize; j++)
379  {
380  cqi.push_back (rbgCqi);
381  }
382  rbgMap.clear ();
383  }
384 
385  }
386 
387  }
388 
389  return cqi;
390 }
391 
392 } // namespace ns3