#!/usr/bin/env python2 # -*- coding: utf-8 -*- # @file # @author (C) 2016 by Piotr Krysik # @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(grgsm.hier_block): def __init__(self, timeslot_nr=1): grgsm.hier_block.__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