A Discrete-Event Network Simulator
API
lte-amc.cc
Go to the documentation of this file.
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 <ns3/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 
35 namespace ns3 {
36 
37 NS_LOG_COMPONENT_DEFINE ("LteAmc");
38 
39 NS_OBJECT_ENSURE_REGISTERED (LteAmc);
40 
48 static const double SpectralEfficiencyForCqi[16] = {
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 #if 0 // currently unused
56 
64 static const int ModulationSchemeForMcs[32] = {
65  2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
66  4, 4, 4, 4, 4, 4, 4,
67  6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
68  2, // reserved
69  4, // reserved
70  6, // reserved
71 };
72 #endif
73 
83 static const double SpectralEfficiencyForMcs[32] = {
84  0.15, 0.19, 0.23, 0.31, 0.38, 0.49, 0.6, 0.74, 0.88, 1.03, 1.18,
85  1.33, 1.48, 1.7, 1.91, 2.16, 2.41, 2.57,
86  2.73, 3.03, 3.32, 3.61, 3.9, 4.21, 4.52, 4.82, 5.12, 5.33, 5.55,
87  0, 0, 0
88 };
89 
95 static const int McsToItbs[29] = {
96  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 9, 10, 11, 12, 13, 14, 15, 15, 16, 17, 18,
97  19, 20, 21, 22, 23, 24, 25, 26
98 };
99 
108 static const int TransportBlockSizeTable [110][27] = {
109  /* NPRB 001*/ { 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},
110  /* 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},
111  /* 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},
112  /* 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},
113  /* 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},
114  /* 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},
115  /* 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},
116  /* 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},
117  /* 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},
118  /* 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},
119  /* 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},
120  /* 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},
121  /* 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},
122  /* 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},
123  /* 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},
124  /* 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},
125  /* 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},
126  /* 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},
127  /* 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},
128  /* 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},
129  /* 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},
130  /* 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},
131  /* 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},
132  /* 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},
133  /* 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},
134  /* 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},
135  /* 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},
136  /* 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},
137  /* 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},
138  /* 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},
139  /* 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},
140  /* 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},
141  /* 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},
142  /* 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},
143  /* 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},
144  /* 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},
145  /* 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},
146  /* 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},
147  /* 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},
148  /* 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},
149  /* 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},
150  /* 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},
151  /* 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},
152  /* 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},
153  /* 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},
154  /* 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},
155  /* 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},
156  /* 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},
157  /* 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},
158  /* 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},
159  /* 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},
160  /* 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},
161  /* 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},
162  /* 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},
163  /* 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},
164  /* 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},
165  /* 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},
166  /* 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},
167  /* 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},
168  /* 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},
169  /* 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},
170  /* 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},
171  /* 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},
172  /* 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},
173  /* 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},
174  /* 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},
175  /* 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},
176  /* 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},
177  /* 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},
178  /* 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},
179  /* 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},
180  /* 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},
181  /* 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},
182  /* 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},
183  /* 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},
184  /* 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},
185  /* 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},
186  /* 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},
187  /* 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},
188  /* 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},
189  /* 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},
190  /* 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},
191  /* 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},
192  /* 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},
193  /* 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},
194  /* 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},
195  /* 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},
196  /* 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},
197  /* 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},
198  /* 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},
199  /* 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},
200  /* 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},
201  /* 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},
202  /* 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},
203  /* 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},
204  /* 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},
205  /* 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},
206  /* 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},
207  /* 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},
208  /* 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},
209  /* 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},
210  /* 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},
211  /* 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},
212  /* 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},
213  /* 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},
214  /* 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},
215  /* 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},
216  /* 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},
217  /* 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},
218  /* 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}
219 
220 };
221 
222 
223 LteAmc::LteAmc ()
224 {
225 }
226 
227 
228 LteAmc::~LteAmc ()
229 {
230 }
231 
232 TypeId
233 LteAmc::GetTypeId (void)
234 {
235  static TypeId tid = TypeId ("ns3::LteAmc")
236  .SetParent<Object> ()
237  .SetGroupName("Lte")
238  .AddConstructor<LteAmc> ()
239  .AddAttribute ("Ber",
240  "The requested BER in assigning MCS (default is 0.00005).",
241  DoubleValue (0.00005),
242  MakeDoubleAccessor (&LteAmc::m_ber),
243  MakeDoubleChecker<double> ())
244  .AddAttribute ("AmcModel",
245  "AMC model used to assign CQI",
246  EnumValue (LteAmc::MiErrorModel),
247  MakeEnumAccessor (&LteAmc::m_amcModel),
248  MakeEnumChecker (LteAmc::MiErrorModel, "Vienna",
249  LteAmc::PiroEW2010, "PiroEW2010"));
250  return tid;
251 }
252 
253 
254 int
255 LteAmc::GetCqiFromSpectralEfficiency (double s)
256 {
257  NS_LOG_FUNCTION (s);
258  NS_ASSERT_MSG (s >= 0.0, "negative spectral efficiency = " << s);
259  int cqi = 0;
260  while ((cqi < 15) && (SpectralEfficiencyForCqi[cqi + 1] < s))
261  {
262  ++cqi;
263  }
264  NS_LOG_LOGIC ("cqi = " << cqi);
265  return cqi;
266 }
267 
268 
269 int
270 LteAmc::GetMcsFromCqi (int cqi)
271 {
272  NS_LOG_FUNCTION (cqi);
273  NS_ASSERT_MSG (cqi >= 0 && cqi <= 15, "CQI must be in [0..15] = " << cqi);
274  double spectralEfficiency = SpectralEfficiencyForCqi[cqi];
275  int mcs = 0;
276  while ((mcs < 28) && (SpectralEfficiencyForMcs[mcs + 1] <= spectralEfficiency))
277  {
278  ++mcs;
279  }
280  NS_LOG_LOGIC ("mcs = " << mcs);
281  return mcs;
282 }
283 
284 int
285 LteAmc::GetTbSizeFromMcs (int mcs, int nprb)
286 {
287  NS_LOG_FUNCTION (mcs);
288 
289  NS_ASSERT_MSG (mcs < 29, "MCS=" << mcs);
290  NS_ASSERT_MSG (nprb < 111, "NPRB=" << nprb);
291 
292  int itbs = McsToItbs[mcs];
293  return (TransportBlockSizeTable[nprb - 1][itbs]);
294 }
295 
296 
297 double
298 LteAmc::GetSpectralEfficiencyFromCqi (int cqi)
299 {
300  NS_LOG_FUNCTION (cqi);
301  NS_ASSERT_MSG (cqi >= 0 && cqi <= 15, "CQI must be in [0..15] = " << cqi);
302  NS_LOG_LOGIC ("Spectral efficiency = " << SpectralEfficiencyForCqi[cqi]);
303  return SpectralEfficiencyForCqi[cqi];
304 }
305 
306 
307 std::vector<int>
308 LteAmc::CreateCqiFeedbacks (const SpectrumValue& sinr, uint8_t rbgSize)
309 {
310  NS_LOG_FUNCTION (this);
311 
312  std::vector<int> cqi;
313  Values::const_iterator it;
314 
315  if (m_amcModel == PiroEW2010)
316  {
317 
318  for (it = sinr.ConstValuesBegin (); it != sinr.ConstValuesEnd (); it++)
319  {
320  double sinr_ = (*it);
321  if (sinr_ == 0.0)
322  {
323  cqi.push_back (-1); // SINR == 0 (linear units) means no signal in this RB
324  }
325  else
326  {
327  /*
328  * Compute the spectral efficiency from the SINR
329  * SINR
330  * spectralEfficiency = log2 (1 + -------------------- )
331  * -ln(5*BER)/1.5
332  * NB: SINR must be expressed in linear units
333  */
334 
335  double s = log2 ( 1 + ( sinr_ / ( (-std::log (5.0 * m_ber )) / 1.5) ));
336 
337  int cqi_ = GetCqiFromSpectralEfficiency (s);
338 
339  NS_LOG_LOGIC (" PRB =" << cqi.size ()
340  << ", sinr = " << sinr_
341  << " (=" << 10 * std::log10 (sinr_) << " dB)"
342  << ", spectral efficiency =" << s
343  << ", CQI = " << cqi_ << ", BER = " << m_ber);
344 
345  cqi.push_back (cqi_);
346  }
347  }
348  }
349  else if (m_amcModel == MiErrorModel)
350  {
351  NS_LOG_DEBUG (this << " AMC-VIENNA RBG size " << (uint16_t)rbgSize);
352  NS_ASSERT_MSG (rbgSize > 0, " LteAmc-Vienna: RBG size must be greater than 0");
353  std::vector <int> rbgMap;
354  int rbId = 0;
355  for (it = sinr.ConstValuesBegin (); it != sinr.ConstValuesEnd (); it++)
356  {
357  rbgMap.push_back (rbId++);
358  if ((rbId % rbgSize == 0)||((it+1)==sinr.ConstValuesEnd ()))
359  {
360  uint8_t mcs = 0;
361  TbStats_t tbStats;
362  while (mcs <= 28)
363  {
364  HarqProcessInfoList_t harqInfoList;
365  tbStats = LteMiErrorModel::GetTbDecodificationStats (sinr, rbgMap, (uint16_t)GetTbSizeFromMcs (mcs, rbgSize) / 8, mcs, harqInfoList);
366  if (tbStats.tbler > 0.1)
367  {
368  break;
369  }
370  mcs++;
371 
372  }
373  if (mcs > 0)
374  {
375  mcs--;
376  }
377  NS_LOG_DEBUG (this << "\t RBG " << rbId << " MCS " << (uint16_t)mcs << " TBLER " << tbStats.tbler);
378  int rbgCqi = 0;
379  if ((tbStats.tbler > 0.1)&&(mcs==0))
380  {
381  rbgCqi = 0; // any MCS can guarantee the 10 % of BER
382  }
383  else if (mcs == 28)
384  {
385  rbgCqi = 15; // all MCSs can guarantee the 10 % of BER
386  }
387  else
388  {
389  double s = SpectralEfficiencyForMcs[mcs];
390  rbgCqi = 0;
391  while ((rbgCqi < 15) && (SpectralEfficiencyForCqi[rbgCqi + 1] < s))
392  {
393  ++rbgCqi;
394  }
395  }
396  NS_LOG_DEBUG (this << "\t MCS " << (uint16_t)mcs << "-> CQI " << rbgCqi);
397  // fill the cqi vector (per RB basis)
398  for (uint8_t j = 0; j < rbgSize; j++)
399  {
400  cqi.push_back (rbgCqi);
401  }
402  rbgMap.clear ();
403  }
404 
405  }
406 
407  }
408 
409  return cqi;
410 }
411 
412 } // namespace ns3
ns3::SpectrumValue::ConstValuesEnd
Values::const_iterator ConstValuesEnd() const
Definition: spectrum-value.cc:75
NS_LOG_FUNCTION
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by "...
Definition: log-macros-enabled.h:213
NS_OBJECT_ENSURE_REGISTERED
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:45
ns3::LteAmc::MiErrorModel
An AMC model based on 10% of BER according to LteMiErrorModel.
Definition: lte-amc.h:70
ns3::MakeEnumAccessor
Ptr< const AttributeAccessor > MakeEnumAccessor(T1 a1)
Create an AttributeAccessor for a class data member, or a lone class get functor or set method...
Definition: enum.h:209
ns3::TbStats_t::tbler
double tbler
tbler
Definition: lte-mi-error-model.h:72
ns3::TbStats_t
TbStats_t structure.
Definition: lte-mi-error-model.h:70
ns3::LteAmc::GetMcsFromCqi
int GetMcsFromCqi(int cqi)
Get the Modulation anc Coding Scheme for a CQI value.
Definition: lte-amc.cc:270
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:201
ns3::LteMiErrorModel::GetTbDecodificationStats
static TbStats_t GetTbDecodificationStats(const SpectrumValue &sinr, const std::vector< int > &map, uint16_t size, uint8_t mcs, HarqProcessInfoList_t miHistory)
run the error-model algorithm for the specified TB
Definition: lte-mi-error-model.cc:561
ns3::LteAmc::GetCqiFromSpectralEfficiency
int GetCqiFromSpectralEfficiency(double s)
Get a proper CQI for the spectral efficiency value.
Definition: lte-amc.cc:255
ns3::LteAmc::~LteAmc
virtual ~LteAmc()
Definition: lte-amc.cc:228
ns3::LteAmc::m_amcModel
AmcModel m_amcModel
The AmcModel attribute.
Definition: lte-amc.h:129
ns3::EnumValue
Hold variables of type enum.
Definition: enum.h:54
ns3::LteAmc::m_ber
double m_ber
The Ber attribute.
Definition: lte-amc.h:122
ns3::LteAmc
Implements the Adaptive Modulation And Coding Scheme.
Definition: lte-amc.h:43
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::SpectralEfficiencyForMcs
static const double SpectralEfficiencyForMcs[32]
Table of MCS index and its spectral efficiency.
Definition: lte-amc.cc:83
ns3::LteAmc::GetTbSizeFromMcs
int GetTbSizeFromMcs(int mcs, int nprb)
Get the Transport Block Size for a selected MCS and number of PRB (table 7.1.7.2.1-1 of 36...
Definition: lte-amc.cc:285
NS_LOG_LOGIC
NS_LOG_LOGIC("Net device "<< nd<< " is not bridged")
NS_ASSERT_MSG
#define NS_ASSERT_MSG(condition, message)
At runtime, in debugging builds, if this condition is not true, the program prints the message to out...
Definition: assert.h:90
ns3::MakeDoubleAccessor
Ptr< const AttributeAccessor > MakeDoubleAccessor(T1 a1)
Create an AttributeAccessor for a class data member, or a lone class get functor or set method...
Definition: double.h:42
ns3::LteAmc::GetSpectralEfficiencyFromCqi
double GetSpectralEfficiencyFromCqi(int cqi)
Get the spectral efficiency value associated to the received CQI.
Definition: lte-amc.cc:298
ns3::MakeEnumChecker
Ptr< const AttributeChecker > MakeEnumChecker(int v1, std::string n1, int v2, std::string n2, int v3, std::string n3, int v4, std::string n4, int v5, std::string n5, int v6, std::string n6, int v7, std::string n7, int v8, std::string n8, int v9, std::string n9, int v10, std::string n10, int v11, std::string n11, int v12, std::string n12, int v13, std::string n13, int v14, std::string n14, int v15, std::string n15, int v16, std::string n16, int v17, std::string n17, int v18, std::string n18, int v19, std::string n19, int v20, std::string n20, int v21, std::string n21, int v22, std::string n22)
Make an EnumChecker pre-configured with a set of allowed values by name.
Definition: enum.cc:184
NS_LOG_DEBUG
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
Definition: log.h:269
ns3::McsToItbs
static const int McsToItbs[29]
Table of MCS index (IMCS) and its TBS index (ITBS).
Definition: lte-amc.cc:95
ns3::LteAmc::GetTypeId
static TypeId GetTypeId(void)
Get the type ID.
Definition: lte-amc.cc:233
ns3::SpectrumValue::ConstValuesBegin
Values::const_iterator ConstValuesBegin() const
Definition: spectrum-value.cc:69
ns3::SpectralEfficiencyForCqi
static const double SpectralEfficiencyForCqi[16]
Table of CQI index and its spectral efficiency.
Definition: lte-amc.cc:48
ns3::Object
A base class which provides memory management and object aggregation.
Definition: object.h:87
ns3::DoubleValue
This class can be used to hold variables of floating point type such as 'double' or 'float'...
Definition: double.h:41
ns3::LteAmc::PiroEW2010
Definition: lte-amc.h:66
ns3::SpectrumValue
Set of values corresponding to a given SpectrumModel.
Definition: spectrum-value.h:58
ns3::TransportBlockSizeTable
static const int TransportBlockSizeTable[110][27]
Table of number of physical resource blocks (NPRB), TBS index (ITBS), and their associated transport ...
Definition: lte-amc.cc:108
ns3::TypeId
a unique identifier for an interface.
Definition: type-id.h:58
ns3::TypeId::SetParent
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:914
ns3::LteAmc::CreateCqiFeedbacks
std::vector< int > CreateCqiFeedbacks(const SpectrumValue &sinr, uint8_t rbgSize=0)
Create a message with CQI feedback.
Definition: lte-amc.cc:308
ns3::HarqProcessInfoList_t
std::vector< HarqProcessInfoElement_t > HarqProcessInfoList_t
HarqProcessInfoList_t typedef.
Definition: lte-harq-phy.h:48