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changed little hack in the constructor so gsm-receiver now works for BTSes with bcc=7

This commit is contained in:
Piotr Krysik 2009-07-21 20:39:17 +02:00
parent daee9c0f85
commit b332aac8cf
1 changed files with 2 additions and 2 deletions
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4
gsm-receiver/src/lib/gsm_receiver_cf.cc
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@ -134,7 +134,7 @@ void gsm_receiver_cf::configure_receiver()
{
d_channel_conf.set_multiframe_type(TSC0, multiframe_51);
d_channel_conf.set_burst_types(TSC0, TEST_CCH_FRAMES, sizeof(TEST_CCH_FRAMES) / sizeof(unsigned), normal_burst);
d_channel_conf.set_burst_types(TSC0, TEST_CCH_FRAMES, sizeof(TEST_CCH_FRAMES) / sizeof(unsigned), dummy_or_normal);
d_channel_conf.set_burst_types(TSC0, FCCH_FRAMES, sizeof(FCCH_FRAMES) / sizeof(unsigned), fcch_burst);
d_channel_conf.set_multiframe_type(TIMESLOT1, multiframe_26);
@ -202,7 +202,7 @@ gsm_receiver_cf::gsm_receiver_cf(gr_feval_dd *tuner, gr_feval_dd *synchronizer,
gmsk_mapper(SYNC_BITS, N_SYNC_BITS, d_sch_training_seq, gr_complex(0.0, -1.0));
for (i = 0; i < TRAIN_SEQ_NUM; i++) {
gr_complex startpoint;
if (i == 6) { //this is nasty hack
if (i == 6 || i == 7) { //this is nasty hack
startpoint = gr_complex(-1.0, 0.0); //if I don't change it here all bits of normal bursts for BTSes with bcc=6 will have reversed values
} else {
startpoint = gr_complex(1.0, 0.0); //I've checked this hack for bcc==0,1,2,3,4,6