| #!/usr/bin/env python2 |
| # -*- coding: utf-8 -*- |
| # @file |
| # @author (C) 2016 by Piotr Krysik <ptrkrysik@gmail.com> |
| # @section LICENSE |
| # |
| # Gr-gsm is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3, or (at your option) |
| # any later version. |
| # |
| # Gr-gsm is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with gr-gsm; see the file COPYING. If not, write to |
| # the Free Software Foundation, Inc., 51 Franklin Street, |
| # Boston, MA 02110-1301, USA. |
| # |
| ################################################## |
| # GNU Radio Python Flow Graph |
| # Title: SDCCH/8 demapper |
| # Author: Piotr Krysik |
| # Description: Demapper for SDCCH/8 + SACCH/C8 control channels. This corresponds to channel combination vii specified in GSM 05.02, section 6.4 |
| # Generated: Mon May 23 09:32:48 2016 |
| ################################################## |
| |
| from gnuradio import gr |
| from gnuradio.filter import firdes |
| import grgsm |
| |
| |
| class gsm_sdcch8_demapper(gr.hier_block2): |
| |
| def __init__(self, timeslot_nr=1): |
| gr.hier_block2.__init__( |
| self, "SDCCH/8 demapper", |
| gr.io_signature(0, 0, 0), |
| gr.io_signature(0, 0, 0), |
| ) |
| self.message_port_register_hier_in("bursts") |
| self.message_port_register_hier_out("bursts") |
| |
| ################################################## |
| # Parameters |
| ################################################## |
| self.timeslot_nr = timeslot_nr |
| |
| ################################################## |
| # Blocks |
| ################################################## |
| |
| # 3GPP TS 45.002 version 15.1.0 Release 15 |
| # Table 4 : Mapping of logical channels onto physical channels (see subclauses 6.3, 6.4, 6.5) |
| # SDCCH/8 0 D 0 ... 7 C0 ... Cn NB1 51 B (0 ... 3) |
| # U B (15 ... 18) |
| # 1 D B (4 ... 7) |
| # U B (19 ... 22) |
| # 2 D B (8 ... 11) |
| # U B (23 ... 26) |
| # 3 D B (12 ... 15) |
| # U B (27 ... 30) |
| # 4 D B (16 ... 19) |
| # U B (31 ... 34) |
| # 5 D B (20 ... 23) |
| # U B (35 ... 38) |
| # 6 D B (24 ... 27) |
| # U B (39 ... 42) |
| # 7 D B (28 ... 31) |
| # U B (43 ... 46) |
| # SACCH/C8 0 D 0 ... 7 C0 ... Cn NB3 102 B (32 ... 35) |
| # U B (47 ... 50) |
| # 1 D B (36 ... 39) |
| # U B (51 ... 54) |
| # 2 D B (40 ... 43) |
| # U B (55 ... 58) |
| # 3 D B (44 ... 47) |
| # U B (59 ... 62) |
| # 4 D B (83 ... 86) |
| # U B (98 ... 101) |
| # 5 D B (87 ... 90) |
| # U B (0 ... 3) |
| # 6 D B (91 ... 94) |
| # U B (4 ... 7) |
| # 7 D B (95 ... 98) |
| # U B (8 ... 11) |
| self.gsm_universal_ctrl_chans_demapper_0 = grgsm.universal_ctrl_chans_demapper( |
| timeslot_nr, ([ #downlink |
| 0,0,0,0, |
| 4,4,4,4, |
| 8,8,8,8, |
| 12,12,12,12, |
| 16,16,16,16, |
| 20,20,20,20, |
| 24,24,24,24, |
| 28,28,28,28, |
| 32,32,32,32, |
| 36,36,36,36, |
| 40,40,40,40, |
| 44,44,44,44, |
| 0,0,0 |
| ]), ([ |
| 8,8,8,8, |
| 8,8,8,8, |
| 8,8,8,8, |
| 8,8,8,8, |
| 8,8,8,8, |
| 8,8,8,8, |
| 8,8,8,8, |
| 8,8,8,8, |
| 136,136,136,136, |
| 136,136,136,136, |
| 136,136,136,136, |
| 136,136,136,136, |
| 0,0,0 |
| ]), ([ |
| 0,0,0,0, |
| 1,1,1,1, |
| 2,2,2,2, |
| 3,3,3,3, |
| 4,4,4,4, |
| 5,5,5,5, |
| 6,6,6,6, |
| 7,7,7,7, |
| 0,0,0,0, |
| 1,1,1,1, |
| 2,2,2,2, |
| 3,3,3,3, |
| 0,0,0,0, |
| 0,0,0, |
| 1,1,1,1, |
| 2,2,2,2, |
| 3,3,3,3, |
| 4,4,4,4, |
| 5,5,5,5, |
| 6,6,6,6, |
| 7,7,7,7, |
| 4,4,4,4, |
| 5,5,5,5, |
| 6,6,6,6, |
| 7,7,7,7, |
| 0,0,0 |
| ]), ([ #uplink |
| 0,0,0,0, |
| 4,4,4,4, |
| 8,8,8,8, |
| 0,0,0, |
| 15,15,15,15, |
| 19,19,19,19, |
| 23,23,23,23, |
| 27,27,27,27, |
| 31,31,31,31, |
| 35,35,35,35, |
| 39,39,39,39, |
| 43,43,43,43, |
| 47,47,47,47 |
| ]), ([ |
| 136,136,136,136, |
| 136,136,136,136, |
| 136,136,136,136, |
| 0,0,0, |
| 8,8,8,8, |
| 8,8,8,8, |
| 8,8,8,8, |
| 8,8,8,8, |
| 8,8,8,8, |
| 8,8,8,8, |
| 8,8,8,8, |
| 8,8,8,8, |
| 136,136,136,136 |
| ]), ([ |
| 5,5,5,5, |
| 6,6,6,6, |
| 7,7,7,7, |
| 0,0,0, |
| 0,0,0,0, |
| 1,1,1,1, |
| 2,2,2,2, |
| 3,3,3,3, |
| 4,4,4,4, |
| 5,5,5,5, |
| 6,6,6,6, |
| 7,7,7,7, |
| 0,0,0,0, |
| 1,1,1,1, |
| 2,2,2,2, |
| 3,3,3,3, |
| 0,0,0, |
| 0,0,0,0, |
| 1,1,1,1, |
| 2,2,2,2, |
| 3,3,3,3, |
| 4,4,4,4, |
| 5,5,5,5, |
| 6,6,6,6, |
| 7,7,7,7, |
| 4,4,4,4 |
| ])) |
| |
| ################################################## |
| # Connections |
| ################################################## |
| self.msg_connect((self.gsm_universal_ctrl_chans_demapper_0, 'bursts'), (self, 'bursts')) |
| self.msg_connect((self, 'bursts'), (self.gsm_universal_ctrl_chans_demapper_0, 'bursts')) |
| |
| def get_timeslot_nr(self): |
| return self.timeslot_nr |
| |
| def set_timeslot_nr(self, timeslot_nr): |
| self.timeslot_nr = timeslot_nr |