PentHertz
/
srsLTE
mirror of https://github.com/PentHertz/srsLTE.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Selected NR RA procedure PRACH send timeout according to system frame number period from PRACH PHY tables

This commit is contained in:
Xavier Arteaga 2021-04-20 14:34:49 +02:00 committed by Andre Puschmann
parent 51e73aa1fc
commit 715f8900a8
2 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
srsue/hdr/stack/mac_nr/proc_ra_nr.h
View File

@ -51,6 +51,10 @@ public:
void reset();
private:
static const uint32_t PRACH_SEND_CALLBACK_TIMEOUT =
16 * 10; ///< Limited from frame system number opportunity period in TS 38.211 tables 6.3.3.2-2, 6.3.3.2-3
///< and 6.3.3.2-4
mac_interface_proc_ra_nr& mac;
srslog::basic_logger& logger;
phy_interface_mac_nr* phy = nullptr;

2
srsue/src/stack/mac_nr/proc_ra_nr.cc
View File

@ -172,7 +172,7 @@ void proc_ra_nr::ra_preamble_transmission()
// instruct the physical layer to transmit the Random Access Preamble using the selected PRACH occasion, corresponding
// RA-RNTI (if available), PREAMBLE_INDEX, and PREAMBLE_RECEIVED_TARGET_POWER.
phy->send_prach(prach_occasion, preamble_index, preamble_received_target_power);
prach_send_timer.set(100, [this](uint32_t tid) { timer_expired(tid); }); // TODO find a suitable 100?
prach_send_timer.set(PRACH_SEND_CALLBACK_TIMEOUT, [this](uint32_t tid) { timer_expired(tid); });
prach_send_timer.run();
state = WAITING_FOR_PRACH_SENT;
}