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annotate pathloss/main.c @ 72:afebef67e8d4 default tip

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tmo/CSD-tests: document Experiment 7
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 28 Nov 2024 02:53:59 +0000
parents 0cfea66a15f3
children
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b3f04535eb14 pathloss: initial code, no distance calculation yet
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1 /*
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2 * This program reads a file of input parameters for a GSM radio link
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3 * and computes maximum reach distances per several common models.
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4 */
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5
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6 #include <ctype.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include <strings.h>
66
599fac1b882d pathloss: implement FSL
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11 #include "range_func.h"
65
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12
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13 #define MAX_FIELDS 5
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14 static char linebuf[256], *fields[MAX_FIELDS];
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15 static unsigned nfields;
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16
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17 static float freq_dl, freq_ul;
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18 static float bts_power, bts_rxs, bts_ant_gain;
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19 static float ms_power, ms_rxs;
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20 static int band_set, bts_param_set, ms_param_set;
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21
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22 static float bts_height, ms_height;
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23 static int bts_height_set, ms_height_set;
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24
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25 static float misc_loss;
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26
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27 static void
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28 parse_into_fields(filename, lineno)
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29 char *filename;
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30 {
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31 char *cp;
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32
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33 nfields = 0;
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34 for (cp = linebuf; ; ) {
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35 while (isspace(*cp))
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36 cp++;
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37 if (*cp == '\0' || *cp == '#')
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38 break;
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39 if (nfields >= MAX_FIELDS) {
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40 fprintf(stderr, "%s line %d: too many fields\n",
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41 filename, lineno);
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42 exit(1);
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43 }
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44 fields[nfields++] = cp;
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45 while (*cp && !isspace(*cp))
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46 cp++;
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47 if (*cp)
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48 *cp++ = '\0';
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49 }
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50 }
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51
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52 static void
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53 set_band(filename, lineno)
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54 char *filename;
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55 {
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56 if (nfields != 2) {
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57 fprintf(stderr, "%s line %d: band setting takes 1 argument\n",
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58 filename, lineno);
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59 exit(1);
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60 }
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61 if (!strcasecmp(fields[1], "PCS")) {
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62 freq_dl = 1990.0f;
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63 freq_ul = 1910.0f;
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64 } else if (!strcasecmp(fields[1], "B5")) {
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65 freq_dl = 894.0f;
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66 freq_ul = 849.0f;
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67 } else if (!strcasecmp(fields[1], "ISM")) {
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68 freq_dl = 925.2f;
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69 freq_ul = 880.2f;
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70 } else {
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71 fprintf(stderr, "%s line %d: unknown band name \"%s\"\n",
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72 filename, lineno, fields[1]);
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73 exit(1);
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74 }
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75 band_set = 1;
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76 }
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77
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78 static void
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79 set_bts_param(filename, lineno)
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80 char *filename;
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81 {
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82 if (nfields != 4) {
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83 fprintf(stderr,
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84 "%s line %d: bts-param setting takes 3 arguments\n",
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85 filename, lineno);
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86 exit(1);
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87 }
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88 bts_power = atof(fields[1]);
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89 bts_rxs = atof(fields[2]);
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90 bts_ant_gain = atof(fields[3]);
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91 bts_param_set = 1;
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92 }
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93
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94 static void
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95 set_bts_height(filename, lineno)
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96 char *filename;
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97 {
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98 float val, mult;
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99
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100 if (nfields != 3) {
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101 fprintf(stderr,
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102 "%s line %d: bts-height setting takes 2 arguments\n",
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103 filename, lineno);
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104 exit(1);
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105 }
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106 val = atof(fields[1]);
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107 if (!strcmp(fields[2], "m"))
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108 mult = 1.0f;
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109 else if (!strcmp(fields[2], "ft"))
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110 mult = 0.3048f;
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111 else {
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112 fprintf(stderr,
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113 "%s line %d: height unit must be either m or ft\n",
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114 filename, lineno);
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115 exit(1);
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116 }
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117 bts_height = val * mult;
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118 bts_height_set = 1;
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119 }
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120
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121 static void
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122 set_ms_param(filename, lineno)
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123 char *filename;
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124 {
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125 if (nfields != 3) {
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126 fprintf(stderr,
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127 "%s line %d: ms-param setting takes 2 arguments\n",
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128 filename, lineno);
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129 exit(1);
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130 }
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131 ms_power = atof(fields[1]);
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132 ms_rxs = atof(fields[2]);
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133 ms_param_set = 1;
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134 }
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135
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136 static void
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137 set_ms_height(filename, lineno)
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138 char *filename;
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139 {
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140 float val, mult;
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141
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diff changeset
142 if (nfields != 3) {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 fprintf(stderr,
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 "%s line %d: ms-height setting takes 2 arguments\n",
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 filename, lineno);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 exit(1);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 val = atof(fields[1]);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 if (!strcmp(fields[2], "m"))
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 mult = 1.0f;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 else if (!strcmp(fields[2], "ft"))
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 mult = 0.3048f;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 else {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 fprintf(stderr,
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 "%s line %d: height unit must be either m or ft\n",
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 filename, lineno);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 exit(1);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 ms_height = val * mult;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 ms_height_set = 1;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 static void
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 add_loss_line(filename, lineno)
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 char *filename;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 float val;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 if (nfields != 2) {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 fprintf(stderr, "%s line %d: loss setting takes 1 argument\n",
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 filename, lineno);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 exit(1);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 val = atof(fields[1]);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 misc_loss += val;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 static void
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 process_line(filename, lineno)
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 char *filename;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 if (!strcmp(fields[0], "band"))
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 set_band(filename, lineno);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 else if (!strcmp(fields[0], "bts-param"))
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 set_bts_param(filename, lineno);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 else if (!strcmp(fields[0], "bts-height"))
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 set_bts_height(filename, lineno);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 else if (!strcmp(fields[0], "ms-param"))
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 set_ms_param(filename, lineno);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 else if (!strcmp(fields[0], "ms-height"))
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 set_ms_height(filename, lineno);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 else if (!strcmp(fields[0], "loss"))
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 add_loss_line(filename, lineno);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 else {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 fprintf(stderr, "%s line %d: non-understood setting \"%s\"\n",
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 filename, lineno, fields[0]);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 exit(1);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 static void
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 check_required_params(filename)
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 char *filename;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 if (!band_set) {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 fprintf(stderr, "error: %s failed to set band\n", filename);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 exit(1);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 if (!bts_param_set) {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 fprintf(stderr, "error: %s failed to set bts-param\n",
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 filename);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 exit(1);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 if (!bts_height_set) {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 fprintf(stderr, "error: %s failed to set bts-height\n",
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 filename);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 exit(1);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 if (!ms_param_set) {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 fprintf(stderr, "error: %s failed to set ms-param\n", filename);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 exit(1);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 if (!ms_height_set) {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 fprintf(stderr, "error: %s failed to set ms-height\n",
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 filename);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 exit(1);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 static void
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 read_param_file(filename)
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 char *filename;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 FILE *inf;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 int lineno;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 inf = fopen(filename, "r");
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 if (!inf) {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 perror(filename);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 exit(1);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 if (!index(linebuf, '\n')) {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 fprintf(stderr,
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 "%s line %d: too long or missing newline\n",
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 filename, lineno);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 exit(1);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249 parse_into_fields(filename, lineno);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 if (nfields == 0)
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 continue;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 process_line(filename, lineno);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 fclose(inf);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 check_required_params(filename);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 main(argc, argv)
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 char **argv;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 float path_loss_dl, path_loss_ul;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 if (argc != 2) {
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264 fprintf(stderr, "usage: %s param-file\n", argv[0]);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 exit(1);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266 }
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 read_param_file(argv[1]);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
268 /* do the math */
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
269 path_loss_dl = bts_power + bts_ant_gain - ms_rxs - misc_loss;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
270 path_loss_ul = ms_power + bts_ant_gain - bts_rxs - misc_loss;
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271 printf("Path loss budget: %.2f dB DL, %.2f dB UL\n", path_loss_dl,
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
272 path_loss_ul);
66
599fac1b882d pathloss: implement FSL
Mychaela Falconia <falcon@freecalypso.org>
parents: 65
diff changeset
273 /* distance per various models */
599fac1b882d pathloss: implement FSL
Mychaela Falconia <falcon@freecalypso.org>
parents: 65
diff changeset
274 printf("FSL: %.2f m DL, %.2f m UL\n",
599fac1b882d pathloss: implement FSL
Mychaela Falconia <falcon@freecalypso.org>
parents: 65
diff changeset
275 rf_range_freespace(freq_dl, path_loss_dl),
599fac1b882d pathloss: implement FSL
Mychaela Falconia <falcon@freecalypso.org>
parents: 65
diff changeset
276 rf_range_freespace(freq_ul, path_loss_ul));
68
0cfea66a15f3 pathloss: implement Egli model
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
277 printf("Egli: %.2f m DL, %.2f m UL\n",
0cfea66a15f3 pathloss: implement Egli model
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
278 rf_range_egli(freq_dl, path_loss_dl, bts_height, ms_height),
0cfea66a15f3 pathloss: implement Egli model
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
279 rf_range_egli(freq_ul, path_loss_ul, bts_height, ms_height));
0cfea66a15f3 pathloss: implement Egli model
Mychaela Falconia <falcon@freecalypso.org>
parents: 66
diff changeset
280 /* Hata model coming next */
65
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
281 exit(0);
b3f04535eb14 pathloss: initial code, no distance calculation yet
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
282 }