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turned off automatic tuning to estimated frequency offset with positive result for stability of the receiver

This commit is contained in:
piotr 2014-02-05 18:10:05 +01:00
parent d0bf1499bb
commit 5f1e1d38f8
1 changed files with 8 additions and 6 deletions
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14
lib/receiver_impl.cc
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@ -124,7 +124,8 @@ receiver_impl::general_work(int noutput_items,
COUT("FCCH search");
if (find_fcch_burst(input, ninput_items[0])) //find frequency correction burst in the input buffer
{
set_frequency(d_freq_offset); //if fcch search is successful set frequency offset
//set_frequency(d_freq_offset); //if fcch search is successful set frequency offset
COUT("Freq offset " << d_freq_offset);
//produced_out = 0;
d_state = next_fcch_search;
}
@ -143,7 +144,8 @@ receiver_impl::general_work(int noutput_items,
{
if (abs(prev_freq_offset - d_freq_offset) > FCCH_MAX_FREQ_OFFSET)
{
set_frequency(d_freq_offset); //call set_frequncy only frequency offset change is greater than some value
//set_frequency(d_freq_offset); //call set_frequncy only frequency offset change is greater than some value
COUT("Freq offset " << d_freq_offset);
}
//produced_out = 0;
d_state = sch_search;
@ -227,9 +229,9 @@ receiver_impl::general_work(int noutput_items,
if (abs(mean_offset) > FCCH_MAX_FREQ_OFFSET)
{
d_freq_offset -= mean_offset; //and adjust frequency if it have changed beyond
set_frequency(d_freq_offset); //some limit
DCOUT("mean_offset: " << mean_offset);
DCOUT("Adjusting frequency, new frequency offset: " << d_freq_offset << "\n");
//set_frequency(d_freq_offset); //some limit
COUT("mean_offset: " << mean_offset);
COUT("Adjusting frequency, new frequency offset: " << d_freq_offset << "\n");
}
}
}
@ -813,7 +815,7 @@ void receiver_impl::process_normal_burst(burst_counter burst_nr, const unsigned
//std::cout << "fn:" <<burst_nr.get_frame_nr() << " ts" << burst_nr.get_timeslot_nr() << " ";
for(ii=0; ii<148; ii++)
{
std::cout << std::setprecision(1) << static_cast<int>(burst_binary[ii]) << " ";
std::cout << std::setprecision(1) << static_cast<int>(burst_binary[ii]) << "";
}
std::cout << std::endl;
}