A Discrete-Event Network Simulator
API
microwave-oven-spectrum-value-helper.cc
Go to the documentation of this file.
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2009 CTTC
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  * Author: Nicola Baldo <nbaldo@cttc.es>
19  */
20 
21 #include "ns3/log.h"
23 
24 namespace ns3 {
25 
26 NS_LOG_COMPONENT_DEFINE ("MicrowaveOvenSpectrumValue");
27 
32 
38 {
39 public:
41  {
42  NS_LOG_FUNCTION (this);
43  Bands bands;
44  for (double fl = 2400e6; fl < 2499e6; fl += 5e6)
45  {
46  BandInfo bi;
47  bi.fl = fl;
48  bi.fc = fl + 5e6;
49  bi.fh = fl + 10e6;
50  bands.push_back (bi);
51  }
52  NS_LOG_LOGIC ("bands.size () :" << bands.size ());
53  g_MicrowaveOvenSpectrumModel5Mhz = Create<SpectrumModel> (bands);
54  }
56 
57 
58 
64 {
65 public:
67  {
68  NS_LOG_FUNCTION (this);
69  Bands bands;
70  for (double fl = 2360e6; fl < 2479e6; fl += 6e6)
71  {
72  BandInfo bi;
73  bi.fl = fl;
74  bi.fc = fl + 6e6;
75  bi.fh = fl + 12e6;
76  bands.push_back (bi);
77  }
78  NS_LOG_LOGIC ("bands.size () :" << bands.size ());
79  g_MicrowaveOvenSpectrumModel6Mhz = Create<SpectrumModel> (bands);
80  }
82 
83 
84 
85 
86 
87 Ptr<SpectrumValue>
89 {
90  Ptr<SpectrumValue> psd = Create <SpectrumValue> (g_MicrowaveOvenSpectrumModel6Mhz);
91 
92  // values from this paper:
93  // Tanim M. Taher, Matthew J. Misurac, Joseph L. LoCicero, and Donald R. Ucci,
94  // "MICROWAVE OVEN SIGNAL MODELING", in Proc. of IEEE WCNC, 2008,
95  // see Figure 3, "Experimental PSD of MWO #1"
96  // the figure has a resolution of 12 MHz per division; we use a
97  // SpectrumModel with a per-subband bandwidth of 6MHz, so we have
98  // two samples per division. The values used here are an approximation
99  // of what appears in the figure.
100 
101  (*psd)[0] = -67.5;
102  (*psd)[1] = -67.5;
103  (*psd)[2] = -67.5;
104  (*psd)[3] = -67.5;
105  (*psd)[4] = -67.5;
106  (*psd)[5] = -66;
107  (*psd)[6] = -64;
108  (*psd)[7] = -63;
109  (*psd)[8] = -62.5;
110  (*psd)[9] = -63;
111  (*psd)[10] = -62.5;
112  (*psd)[11] = -62.5;
113  (*psd)[12] = -58;
114  (*psd)[13] = -53.5;
115  (*psd)[14] = -44;
116  (*psd)[15] = -38;
117  (*psd)[16] = -45;
118  (*psd)[17] = -65;
119  (*psd)[18] = -67.5;
120  (*psd)[19] = -67.5;
121 
122  // convert to W/Hz
123  (*psd) = Pow (10.0, ((*psd) - 30) / 10.0);
124 
125  return psd;
126 }
127 
128 
129 
132 {
133  // values from this paper:
134  // Tanim M. Taher, Matthew J. Misurac, Joseph L. LoCicero, and Donald R. Ucci,
135  // "MICROWAVE OVEN SIGNAL MODELING", in Proc. of IEEE WCNC, 2008,
136  // see Figure 9, "Experimental PSD of actual MWO #2"
137  // the figure has a resolution of 10 MHz per division; we use a
138  // SpectrumModel with a per-subband bandwidth of 5MHz, so we have
139  // two samples per division. The values used here are an approximation
140  // of what appears in the figure.
141 
142  Ptr<SpectrumValue> psd = Create <SpectrumValue> (g_MicrowaveOvenSpectrumModel5Mhz);
143 
144  (*psd)[0] = -68;
145  (*psd)[1] = -68;
146  (*psd)[2] = -68;
147  (*psd)[3] = -68;
148  (*psd)[4] = -65;
149  (*psd)[5] = -62;
150  (*psd)[6] = -56;
151  (*psd)[7] = -55;
152  (*psd)[8] = -47;
153  (*psd)[9] = -40;
154  (*psd)[10] = -37;
155  (*psd)[11] = -33;
156  (*psd)[12] = -45;
157  (*psd)[13] = -67;
158  (*psd)[14] = -68;
159  (*psd)[15] = -68;
160  (*psd)[16] = -68;
161  (*psd)[17] = -68;
162  (*psd)[18] = -68;
163  (*psd)[19] = -68;
164 
165  // convert to W/Hz
166  (*psd) = Pow (10.0, ((*psd) - 30) / 10.0);
167 
168  return psd;
169 }
170 
171 
172 
173 } // namespace ns3
Init a static class containing the MWO #2 model (5Mhz)
Init a static class containing the MWO #1 model (6Mhz)
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
#define NS_LOG_LOGIC(msg)
Use NS_LOG to output a message of level LOG_LOGIC.
Definition: log.h:289
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
static class ns3::MicrowaveOvenSpectrumModel5MhzInitializer g_MicrowaveOvenSpectrumModel5MhzInitializerInstance
MWO model #2.
static class ns3::MicrowaveOvenSpectrumModel6MhzInitializer g_MicrowaveOvenSpectrumModel6MhzInitializerInstance
MWO model #1.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
SpectrumValue Pow(double lhs, const SpectrumValue &rhs)
std::vector< BandInfo > Bands
Container of BandInfo.
static Ptr< SpectrumModel > g_MicrowaveOvenSpectrumModel6Mhz
Spectrum model for the 6MHz model (model #1)
static Ptr< SpectrumModel > g_MicrowaveOvenSpectrumModel5Mhz
Spectrum model for the 5MHz model (model #2)
The building block of a SpectrumModel.
double fc
center frequency
double fl
lower limit of subband
double fh
upper limit of subband