maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix scheduler for long prach

Browse Source 
Long PRACH extends beyond a slot. Changes necessary to mark future slots
that may contain prach in ru, phy and mac functions.

In RU, the PRACH IDFT is done only after receiving last slot and marks
for L1 to start processing. The L1 processes at the last prach slot and
reports to MAC with the first slot index.

In MAC scheduler, the VRB for future slots are also marked as used.
PRACH scheduler is called in advance one frame minus num prach slots.
This commit is contained in:
Sakthivel Velumani
2025-02-25 11:58:41 -05:00
parent 94c74f4a1d
commit cf0206e7c6
13 changed files with 132 additions and 59 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/SIMULATION/NR_PHY/prachsim.c
+1 -1
View File
@@ -774,7 +774,7 @@ int main(int argc, char **argv){
}
}
rx_nr_prach_ru(ru, prach_format, numRA, prachStartSymbol, prachOccasion, frame, slot);
rx_nr_prach_ru(ru, prach_format, numRA, prachStartSymbol, slot, prachOccasion, frame, slot);
for (int i = 0; i < ru->nb_rx; ++i)
gNB->prach_vars.rxsigF[i] = ru->prach_rxsigF[prachOccasion][i];