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
41 /**
42 * Table of CQI index and its spectral efficiency. Taken from 3GPP TSG-RAN WG1
43 * [R1-081483 Conveying MCS and TB size via PDCCH]
44 * (http://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_52b/Docs/R1-081483.zip)
45 * file `TBS_support.xls` tab "MCS Table" (rounded to 2 decimal digits).
46 * The index of the vector (range 0-15) identifies the CQI value.
47 */
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 /**
57 * Table of MCS index (IMCS) and its TBS index (ITBS). Taken from 3GPP TS
58 * 36.213 v8.8.0 Table 7.1.7.1-1: _Modulation and TBS index table for PDSCH_.
59 * The index of the vector (range 0-31; valid values 0-28) identifies the MCS
60 * index. Note that this is similar to the one in R1-081483, but:
61 * - a few values are different; and
62 * - in R1-081483, a valid MCS index is in the range of 1-30 (not 0-28).
63 */
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
74 /**
75 * Table of MCS index and its spectral efficiency. Taken from 3GPP TSG-RAN WG1
76 * [R1-081483 Conveying MCS and TB size via PDCCH]
77 * (http://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_52b/Docs/R1-081483.zip)
78 * file `TBS_support.xls` tab "MCS Table" (rounded to 2 decimal digits).
79 * The index of the vector (range 0-31) corresponds to the MCS index according
80 * to the convention in TS 36.213 (i.e., the MCS index reported in R1-081483
81 * minus one)
82 */
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
90 /**
91 * Table of MCS index (IMCS) and its TBS index (ITBS). Taken from 3GPP TS
92 * 36.213 v8.8.0 Table 7.1.7.1-1: _Modulation and TBS index table for PDSCH_.
93 * The index of the vector (range 0-28) identifies the MCS index.
94 */
95 static const int McsToItbsDl[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
100 /**
101 * Table of MCS index (IMCS) and its TBS index (ITBS). Taken from 3GPP TS
102 * 36.213 v8.8.0 Table 8.6.1-1: _Modulation, TBS index and redundancy version table for PUSCH_.
103 * The index of the vector (range 0-28) identifies the MCS index.
104 */
105 static const int McsToItbsUl[29] = {
106 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 11, 12, 13, 14, 15, 16, 17, 18,
107 19, 19, 20, 21, 22, 23, 24, 25, 26
108 };
109
110 /**
111 * Table of number of physical resource blocks (NPRB), TBS index (ITBS), and
112 * their associated transport block size. Taken from 3GPP TS 36.213 v8.8.0
113 * Table 7.1.7.2.1-1: _Transport block size table (dimension 27×110)_.
114 * \note For NPRB = 1 and ITBS = 6 the standard returns 328, but it is not
115 * consistent with the other values, therefore we use 88 obtained by
116 * following the sequence of NPRB = 1 values.
117 */
118 static const int TransportBlockSizeTable [110][27] = {
119 /* 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},
120 /* 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},
121 /* 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},
122 /* 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},
123 /* 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},
124 /* 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},
125 /* 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},
126 /* 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},
127 /* 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},
128 /* 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},
129 /* 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},
130 /* 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},
131 /* 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},
132 /* 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},
133 /* 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},
134 /* 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},
135 /* 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},
136 /* 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},
137 /* 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},
138 /* 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},
139 /* 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},
140 /* 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},
141 /* 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},
142 /* 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},
143 /* 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},
144 /* 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},
145 /* 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},
146 /* 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},
147 /* 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},
148 /* 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},
149 /* 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},
150 /* 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},
151 /* 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},
152 /* 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},
153 /* 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},
154 /* 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},
155 /* 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},
156 /* 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},
157 /* 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},
158 /* 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},
159 /* 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},
160 /* 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},
161 /* 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},
162 /* 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},
163 /* 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},
164 /* 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},
165 /* 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},
166 /* 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},
167 /* 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},
168 /* 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},
169 /* 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},
170 /* 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},
171 /* 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},
172 /* 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},
173 /* 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},
174 /* 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},
175 /* 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},
176 /* 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},
177 /* 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},
178 /* 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},
179 /* 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},
180 /* 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},
181 /* 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},
182 /* 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},
183 /* 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},
184 /* 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},
185 /* 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},
186 /* 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},
187 /* 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},
188 /* 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},
189 /* 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},
190 /* 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},
191 /* 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},
192 /* 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},
193 /* 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},
194 /* 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},
195 /* 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},
196 /* 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},
197 /* 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},
198 /* 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},
199 /* 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},
200 /* 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},
201 /* 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},
202 /* 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},
203 /* 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},
204 /* 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},
205 /* 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},
206 /* 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},
207 /* 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},
208 /* 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},
209 /* 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},
210 /* 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},
211 /* 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},
212 /* 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},
213 /* 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},
214 /* 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},
215 /* 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},
216 /* 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},
217 /* 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},
218 /* 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},
219 /* 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},
220 /* 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},
221 /* 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},
222 /* 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},
223 /* 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},
224 /* 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},
225 /* 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},
226 /* 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},
227 /* 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},
228 /* 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}
229
230 };
231
232
LteAmc()233 LteAmc::LteAmc ()
234 {
235 }
236
237
~LteAmc()238 LteAmc::~LteAmc ()
239 {
240 }
241
242 TypeId
GetTypeId(void)243 LteAmc::GetTypeId (void)
244 {
245 static TypeId tid = TypeId ("ns3::LteAmc")
246 .SetParent<Object> ()
247 .SetGroupName("Lte")
248 .AddConstructor<LteAmc> ()
249 .AddAttribute ("Ber",
250 "The requested BER in assigning MCS (default is 0.00005).",
251 DoubleValue (0.00005),
252 MakeDoubleAccessor (&LteAmc::m_ber),
253 MakeDoubleChecker<double> ())
254 .AddAttribute ("AmcModel",
255 "AMC model used to assign CQI",
256 EnumValue (LteAmc::MiErrorModel),
257 MakeEnumAccessor (&LteAmc::m_amcModel),
258 MakeEnumChecker (LteAmc::MiErrorModel, "Vienna",
259 LteAmc::PiroEW2010, "PiroEW2010"));
260 return tid;
261 }
262
263
264 int
GetCqiFromSpectralEfficiency(double s)265 LteAmc::GetCqiFromSpectralEfficiency (double s)
266 {
267 NS_LOG_FUNCTION (s);
268 NS_ASSERT_MSG (s >= 0.0, "negative spectral efficiency = " << s);
269 int cqi = 0;
270 while ((cqi < 15) && (SpectralEfficiencyForCqi[cqi + 1] < s))
271 {
272 ++cqi;
273 }
274 NS_LOG_LOGIC ("cqi = " << cqi);
275 return cqi;
276 }
277
278
279 int
GetMcsFromCqi(int cqi)280 LteAmc::GetMcsFromCqi (int cqi)
281 {
282 NS_LOG_FUNCTION (cqi);
283 NS_ASSERT_MSG (cqi >= 0 && cqi <= 15, "CQI must be in [0..15] = " << cqi);
284 double spectralEfficiency = SpectralEfficiencyForCqi[cqi];
285 int mcs = 0;
286 while ((mcs < 28) && (SpectralEfficiencyForMcs[mcs + 1] <= spectralEfficiency))
287 {
288 ++mcs;
289 }
290 NS_LOG_LOGIC ("mcs = " << mcs);
291 return mcs;
292 }
293
294 int
GetDlTbSizeFromMcs(int mcs,int nprb)295 LteAmc::GetDlTbSizeFromMcs (int mcs, int nprb)
296 {
297 NS_LOG_FUNCTION (mcs);
298
299 NS_ASSERT_MSG (mcs < 29, "MCS=" << mcs);
300 NS_ASSERT_MSG (nprb > 0 && nprb < 111, "NPRB=" << nprb);
301
302 int itbs = McsToItbsDl[mcs];
303 return (TransportBlockSizeTable[nprb - 1][itbs]);
304 }
305
306 int
GetUlTbSizeFromMcs(int mcs,int nprb)307 LteAmc::GetUlTbSizeFromMcs (int mcs, int nprb)
308 {
309 NS_LOG_FUNCTION (mcs);
310
311 NS_ASSERT_MSG (mcs < 29, "MCS=" << mcs);
312 NS_ASSERT_MSG (nprb > 0 && nprb < 111, "NPRB=" << nprb);
313
314 int itbs = McsToItbsUl[mcs];
315 return (TransportBlockSizeTable[nprb - 1][itbs]);
316 }
317
318
319 double
GetSpectralEfficiencyFromCqi(int cqi)320 LteAmc::GetSpectralEfficiencyFromCqi (int cqi)
321 {
322 NS_LOG_FUNCTION (cqi);
323 NS_ASSERT_MSG (cqi >= 0 && cqi <= 15, "CQI must be in [0..15] = " << cqi);
324 NS_LOG_LOGIC ("Spectral efficiency = " << SpectralEfficiencyForCqi[cqi]);
325 return SpectralEfficiencyForCqi[cqi];
326 }
327
328
329 std::vector<int>
CreateCqiFeedbacks(const SpectrumValue & sinr,uint8_t rbgSize)330 LteAmc::CreateCqiFeedbacks (const SpectrumValue& sinr, uint8_t rbgSize)
331 {
332 NS_LOG_FUNCTION (this);
333
334 std::vector<int> cqi;
335 Values::const_iterator it;
336
337 if (m_amcModel == PiroEW2010)
338 {
339
340 for (it = sinr.ConstValuesBegin (); it != sinr.ConstValuesEnd (); it++)
341 {
342 double sinr_ = (*it);
343 if (sinr_ == 0.0)
344 {
345 cqi.push_back (-1); // SINR == 0 (linear units) means no signal in this RB
346 }
347 else
348 {
349 /*
350 * Compute the spectral efficiency from the SINR
351 * SINR
352 * spectralEfficiency = log2 (1 + -------------------- )
353 * -ln(5*BER)/1.5
354 * NB: SINR must be expressed in linear units
355 */
356
357 double s = log2 ( 1 + ( sinr_ / ( (-std::log (5.0 * m_ber )) / 1.5) ));
358
359 int cqi_ = GetCqiFromSpectralEfficiency (s);
360
361 NS_LOG_LOGIC (" PRB =" << cqi.size ()
362 << ", sinr = " << sinr_
363 << " (=" << 10 * std::log10 (sinr_) << " dB)"
364 << ", spectral efficiency =" << s
365 << ", CQI = " << cqi_ << ", BER = " << m_ber);
366
367 cqi.push_back (cqi_);
368 }
369 }
370 }
371 else if (m_amcModel == MiErrorModel)
372 {
373 NS_LOG_DEBUG (this << " AMC-VIENNA RBG size " << (uint16_t)rbgSize);
374 NS_ASSERT_MSG (rbgSize > 0, " LteAmc-Vienna: RBG size must be greater than 0");
375 std::vector <int> rbgMap;
376 int rbId = 0;
377 for (it = sinr.ConstValuesBegin (); it != sinr.ConstValuesEnd (); it++)
378 {
379 rbgMap.push_back (rbId++);
380 if ((rbId % rbgSize == 0)||((it+1)==sinr.ConstValuesEnd ()))
381 {
382 uint8_t mcs = 0;
383 TbStats_t tbStats;
384 while (mcs <= 28)
385 {
386 HarqProcessInfoList_t harqInfoList;
387 tbStats = LteMiErrorModel::GetTbDecodificationStats (sinr, rbgMap, (uint16_t)GetDlTbSizeFromMcs (mcs, rbgSize) / 8, mcs, harqInfoList);
388 if (tbStats.tbler > 0.1)
389 {
390 break;
391 }
392 mcs++;
393
394 }
395 if (mcs > 0)
396 {
397 mcs--;
398 }
399 NS_LOG_DEBUG (this << "\t RBG " << rbId << " MCS " << (uint16_t)mcs << " TBLER " << tbStats.tbler);
400 int rbgCqi = 0;
401 if ((tbStats.tbler > 0.1)&&(mcs==0))
402 {
403 rbgCqi = 0; // any MCS can guarantee the 10 % of BER
404 }
405 else if (mcs == 28)
406 {
407 rbgCqi = 15; // all MCSs can guarantee the 10 % of BER
408 }
409 else
410 {
411 double s = SpectralEfficiencyForMcs[mcs];
412 rbgCqi = 0;
413 while ((rbgCqi < 15) && (SpectralEfficiencyForCqi[rbgCqi + 1] < s))
414 {
415 ++rbgCqi;
416 }
417 }
418 NS_LOG_DEBUG (this << "\t MCS " << (uint16_t)mcs << "-> CQI " << rbgCqi);
419 // fill the cqi vector (per RB basis)
420 for (uint8_t j = 0; j < rbgSize; j++)
421 {
422 cqi.push_back (rbgCqi);
423 }
424 rbgMap.clear ();
425 }
426
427 }
428
429 }
430
431 return cqi;
432 }
433
434 } // namespace ns3
435