Piotr Krysik | ea34c01 | 2016-10-02 18:53:43 +0200 | [diff] [blame] | 1 | #!/usr/bin/env python2 |
Piotr Krysik | 773a194 | 2016-05-20 12:45:54 +0200 | [diff] [blame] | 2 | # -*- coding: utf-8 -*- |
Piotr Krysik | ea34c01 | 2016-10-02 18:53:43 +0200 | [diff] [blame] | 3 | # @file |
Piotr Krysik | a6268a5 | 2017-08-23 16:02:19 +0200 | [diff] [blame] | 4 | # @author (C) 2016 by Piotr Krysik <ptrkrysik@gmail.com> |
Piotr Krysik | ea34c01 | 2016-10-02 18:53:43 +0200 | [diff] [blame] | 5 | # @section LICENSE |
| 6 | # |
| 7 | # Gr-gsm is free software; you can redistribute it and/or modify |
| 8 | # it under the terms of the GNU General Public License as published by |
| 9 | # the Free Software Foundation; either version 3, or (at your option) |
| 10 | # any later version. |
| 11 | # |
| 12 | # Gr-gsm is distributed in the hope that it will be useful, |
| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | # GNU General Public License for more details. |
| 16 | # |
| 17 | # You should have received a copy of the GNU General Public License |
| 18 | # along with gr-gsm; see the file COPYING. If not, write to |
| 19 | # the Free Software Foundation, Inc., 51 Franklin Street, |
| 20 | # Boston, MA 02110-1301, USA. |
| 21 | # |
Piotr Krysik | 773a194 | 2016-05-20 12:45:54 +0200 | [diff] [blame] | 22 | ################################################## |
| 23 | # GNU Radio Python Flow Graph |
| 24 | # Title: BCCH + CCCH + SDCCH/4 demapper |
| 25 | # Author: Piotr Krysik |
| 26 | # Description: Demapper for BCCH + CCCH + SDCCH/4 + SACCH/C4 control channels. This corresponds to channel combination v specified in GSM 05.02, section 6.4 |
Piotr Krysik | e5bd4b8 | 2016-05-23 09:43:05 +0200 | [diff] [blame] | 27 | # Generated: Mon May 23 09:32:46 2016 |
Piotr Krysik | 773a194 | 2016-05-20 12:45:54 +0200 | [diff] [blame] | 28 | ################################################## |
| 29 | |
| 30 | from gnuradio import gr |
| 31 | from gnuradio.filter import firdes |
| 32 | import grgsm |
| 33 | |
| 34 | |
| 35 | class gsm_bcch_ccch_sdcch4_demapper(grgsm.hier_block): |
| 36 | |
| 37 | def __init__(self, timeslot_nr=0): |
| 38 | grgsm.hier_block.__init__( |
| 39 | self, "BCCH + CCCH + SDCCH/4 demapper", |
| 40 | gr.io_signature(0, 0, 0), |
| 41 | gr.io_signature(0, 0, 0), |
| 42 | ) |
| 43 | self.message_port_register_hier_in("bursts") |
| 44 | self.message_port_register_hier_out("bursts") |
| 45 | |
| 46 | ################################################## |
| 47 | # Parameters |
| 48 | ################################################## |
| 49 | self.timeslot_nr = timeslot_nr |
| 50 | |
| 51 | ################################################## |
| 52 | # Blocks |
| 53 | ################################################## |
Vasil Velichkov | fa184a9 | 2019-07-25 22:43:33 +0300 | [diff] [blame^] | 54 | |
| 55 | # 3GPP TS 45.002 version 15.1.0 Release 15 |
| 56 | # Table 3 : Mapping of logical channels onto physical channels (see subclauses 6.3, 6.4, 6.5) |
| 57 | # |
| 58 | # BCCH Norm D 0,2,4,6 C0 NB 51 B(2..5) |
| 59 | # SDCCH/4 0 D 0 C0 NB1 51 B(22..25) |
| 60 | # U B(37..40) |
| 61 | # 1 D B(26..29) |
| 62 | # U B(41..44) |
| 63 | # 2 D B(32..35) |
| 64 | # U B(47..50) |
| 65 | # 3 D B(36..39) |
| 66 | # U B(0..3) |
| 67 | # SACCH/C4 0 D 0 C0 NB3 102 B(42..45) |
| 68 | # U B(57..60) |
| 69 | # 1 D B(46..49) |
| 70 | # U B(61..64) |
| 71 | # 2 D B(93..96) |
| 72 | # U B(6..9) |
| 73 | # 3 D B(97..100) |
| 74 | # U B(10..13) |
| 75 | # |
| 76 | # Figure 8b: TDMA frame mapping for FCCH + SCH + BCCH + CCCH + SDCCH/4(0...3) + SACCH/4(0...3) |
| 77 | # |
| 78 | self.gsm_universal_ctrl_chans_demapper_0 = grgsm.universal_ctrl_chans_demapper( |
| 79 | timeslot_nr, ([ #downlink |
| 80 | 0,0, |
| 81 | 2,2,2,2, |
| 82 | 6,6,6,6, |
| 83 | 0,0, |
| 84 | 12,12,12,12, |
| 85 | 16,16,16,16, |
| 86 | 0,0, |
| 87 | 22,22,22,22, |
| 88 | 26,26,26,26, |
| 89 | 0,0, |
| 90 | 32,32,32,32, |
| 91 | 36,36,36,36, |
| 92 | 0,0, |
| 93 | 42,42,42,42, |
| 94 | 46,46,46,46, |
| 95 | 0, |
| 96 | ]), ([ |
| 97 | 0,0, |
| 98 | 1,1,1,1, |
| 99 | 2,2,2,2, |
| 100 | 0,0, |
| 101 | 2,2,2,2, |
| 102 | 2,2,2,2, |
| 103 | 0,0, |
| 104 | 7,7,7,7, |
| 105 | 7,7,7,7, |
| 106 | 0,0, |
| 107 | 7,7,7,7, |
| 108 | 7,7,7,7, |
| 109 | 0,0, |
| 110 | 135,135,135,135, |
| 111 | 135,135,135,135, |
| 112 | 0, |
| 113 | ]), ([ |
| 114 | 0,0, |
| 115 | 0,0,0,0, |
| 116 | 0,0,0,0, |
| 117 | 0,0, |
| 118 | 1,1,1,1, |
| 119 | 2,2,2,2, |
| 120 | 0,0, |
| 121 | 0,0,0,0, |
| 122 | 1,1,1,1, |
| 123 | 0,0, |
| 124 | 2,2,2,2, |
| 125 | 3,3,3,3, |
| 126 | 0,0, |
| 127 | 0,0,0,0, |
| 128 | 1,1,1,1, |
| 129 | 0,0, |
| 130 | 0,0,0,0, |
| 131 | 0,0,0,0, |
| 132 | 0,0, |
| 133 | 0, |
| 134 | 1,1,1,1, |
| 135 | 2,2,2,2, |
| 136 | 0,0, |
| 137 | 0,0,0,0, |
| 138 | 1,1,1,1, |
| 139 | 0,0, |
| 140 | 2,2,2,2, |
| 141 | 3,3,3,3, |
| 142 | 0,0, |
| 143 | 2,2,2,2, |
| 144 | 3,3,3,3, |
| 145 | 0, |
| 146 | ]), ([ #uplink |
| 147 | 0,0,0,0, |
| 148 | 4,5, |
| 149 | 6,6,6,6, |
| 150 | 10,10,10,10, |
| 151 | 14,15,16,17, |
| 152 | 18,19,20,21, |
| 153 | 22,23,24,25, |
| 154 | 26,27,28,29, |
| 155 | 30,31,32,33, |
| 156 | 34,35,36, |
| 157 | 37,37,37,37, |
| 158 | 41,41,41,41, |
| 159 | 45,46, |
| 160 | 47,47,47,47, |
| 161 | ]), ([ |
| 162 | 7,7,7,7, |
| 163 | 3,3, |
| 164 | 135,135,135,135, |
| 165 | 135,135,135,135, |
| 166 | 3,3,3,3, |
| 167 | 3,3,3,3, |
| 168 | 3,3,3,3, |
| 169 | 3,3,3,3, |
| 170 | 3,3,3,3, |
| 171 | 3,3, |
| 172 | 3, |
| 173 | 7,7,7,7, |
| 174 | 7,7,7,7, |
| 175 | 3,3, |
| 176 | 7,7,7,7, |
| 177 | ]), ([ |
| 178 | 3,3,3,3, |
| 179 | 0,0, |
| 180 | 2,2,2,2, |
| 181 | 3,3,3,3, |
| 182 | 0,0,0,0, |
| 183 | 0,0,0,0, |
| 184 | 0,0,0,0, |
| 185 | 0,0,0,0, |
| 186 | 0,0,0,0, |
| 187 | 0,0, |
| 188 | 0, |
| 189 | 0,0,0,0, |
| 190 | 1,1,1,1, |
| 191 | 0,0, |
| 192 | 2,2,2,2, |
| 193 | 3,3,3,3, |
| 194 | 0,0, |
| 195 | 0,0,0,0, |
| 196 | 1,1,1,1, |
| 197 | 0,0,0,0, |
| 198 | 0,0,0,0, |
| 199 | 0,0,0,0, |
| 200 | 0,0,0,0, |
| 201 | 0,0,0,0, |
| 202 | 0,0, |
| 203 | 0, |
| 204 | 0,0,0,0, |
| 205 | 1,1,1,1, |
| 206 | 0,0, |
| 207 | 2,2,2,2, |
| 208 | ])) |
Piotr Krysik | 773a194 | 2016-05-20 12:45:54 +0200 | [diff] [blame] | 209 | |
| 210 | ################################################## |
| 211 | # Connections |
| 212 | ################################################## |
| 213 | self.msg_connect((self.gsm_universal_ctrl_chans_demapper_0, 'bursts'), (self, 'bursts')) |
| 214 | self.msg_connect((self, 'bursts'), (self.gsm_universal_ctrl_chans_demapper_0, 'bursts')) |
| 215 | |
| 216 | def get_timeslot_nr(self): |
| 217 | return self.timeslot_nr |
| 218 | |
| 219 | def set_timeslot_nr(self, timeslot_nr): |
| 220 | self.timeslot_nr = timeslot_nr |