mirror of https://github.com/PentHertz/srsLTE.git
Fixed SIB searching
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cd2e4f5a75
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@ -341,11 +341,14 @@ void rrc::run_si_acquisition_procedure()
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// Instruct MAC to look for SIB1
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tti = mac->get_current_tti();
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si_win_start = sib_start_tti(tti, 2, 0, 5);
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if (tti > last_win_start + 10) {
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if (last_win_start == 0 ||
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(srslte_tti_interval(last_win_start, tti) > 20 && srslte_tti_interval(last_win_start, tti) < 1000))
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{
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last_win_start = si_win_start;
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mac->bcch_start_rx(si_win_start, 1);
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rrc_log->debug("Instructed MAC to search for SIB1, win_start=%d, win_len=%d\n",
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si_win_start, 1);
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rrc_log->info("Instructed MAC to search for SIB1, win_start=%d, win_len=%d, interval=%d\n",
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si_win_start, 1, srslte_tti_interval(last_win_start, tti));
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nof_sib1_trials++;
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if (nof_sib1_trials >= SIB1_SEARCH_TIMEOUT) {
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if (state == RRC_STATE_CELL_SELECTING) {
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@ -369,13 +372,15 @@ void rrc::run_si_acquisition_procedure()
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tti = mac->get_current_tti();
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period = liblte_rrc_si_periodicity_num[serving_cell->sib1.sched_info[sysinfo_index].si_periodicity];
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si_win_start = sib_start_tti(tti, period, offset, sf);
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si_win_len = liblte_rrc_si_window_length_num[serving_cell->sib1.si_window_length];
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if (tti > last_win_start + 10) {
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if (last_win_start == 0 ||
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(srslte_tti_interval(last_win_start, tti) > period*10 && srslte_tti_interval(last_win_start, tti) < 1000))
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{
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last_win_start = si_win_start;
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si_win_len = liblte_rrc_si_window_length_num[serving_cell->sib1.si_window_length];
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mac->bcch_start_rx(si_win_start, si_win_len);
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rrc_log->debug("Instructed MAC to search for system info, win_start=%d, win_len=%d\n",
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rrc_log->info("Instructed MAC to search for system info, win_start=%d, win_len=%d\n",
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si_win_start, si_win_len);
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}
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@ -1313,6 +1318,9 @@ void rrc::write_pdu_bcch_dlsch(byte_buffer_t *pdu) {
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handle_sib13();
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}
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}
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last_win_start = 0;
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if(serving_cell->has_valid_sib2) {
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sysinfo_index++;
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}
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