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srsLTE
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SRSUE: wait for valid RSRP measurement before adquiring SIBs during cell search

This commit is contained in:
Xavier Arteaga 2020-01-24 10:09:54 +01:00 committed by Xavier Arteaga
parent 68ad4960eb
commit 4d3c28ff97
2 changed files with 15 additions and 1 deletions
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3
srsue/hdr/stack/rrc/rrc_procedures.h
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@ -36,12 +36,13 @@ public:
phy_interface_rrc_lte::cell_search_ret_t cs_ret; phy_interface_rrc_lte::cell_search_ret_t cs_ret;
phy_interface_rrc_lte::phy_cell_t found_cell; phy_interface_rrc_lte::phy_cell_t found_cell;
}; };
enum class state_t { phy_cell_search, si_acquire }; enum class state_t { phy_cell_search, si_acquire, wait_measurement };
explicit cell_search_proc(rrc* parent_); explicit cell_search_proc(rrc* parent_);
srslte::proc_outcome_t init(); srslte::proc_outcome_t init();
srslte::proc_outcome_t step(); srslte::proc_outcome_t step();
srslte::proc_outcome_t react(const cell_search_event_t& event); srslte::proc_outcome_t react(const cell_search_event_t& event);
srslte::proc_outcome_t check_sib();
phy_interface_rrc_lte::cell_search_ret_t get_result() const { return search_result.cs_ret; } phy_interface_rrc_lte::cell_search_ret_t get_result() const { return search_result.cs_ret; }
static const char* name() { return "Cell Search"; } static const char* name() { return "Cell Search"; }

13
srsue/src/stack/rrc/rrc_procedures.cc
View File

@ -63,6 +63,8 @@ proc_outcome_t rrc::cell_search_proc::step()
} }
Info("Completed successfully\n"); Info("Completed successfully\n");
return proc_outcome_t::success; return proc_outcome_t::success;
} else if (state == state_t::wait_measurement && std::isnormal(rrc_ptr->serving_cell->get_rsrp())) {
return check_sib();
} }
return proc_outcome_t::yield; return proc_outcome_t::yield;
} }
@ -90,6 +92,17 @@ proc_outcome_t rrc::cell_search_proc::handle_cell_found(const phy_interface_rrc_
return proc_outcome_t::error; return proc_outcome_t::error;
} }
if (not std::isnormal(rrc_ptr->serving_cell->get_rsrp())) {
Info("No valid measurement found for the serving cell. Wait for valid measurement...\n");
state = state_t::wait_measurement;
return proc_outcome_t::yield;
}
return check_sib();
}
proc_outcome_t rrc::cell_search_proc::check_sib()
{
if (rrc_ptr->serving_cell->has_sib1()) { if (rrc_ptr->serving_cell->has_sib1()) {
Info("Cell has SIB1\n"); Info("Cell has SIB1\n");
// What do we do???? // What do we do????