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adapting msg2&3 scheduling to FR2 beamforming constraints

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This commit is contained in:
Florian Kaltenberger
2020-10-19 13:57:56 +02:00
parent 60062cecfb
commit 8e6e814d35
2 changed files with 19 additions and 3 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
+16 -3
View File
@@ -359,10 +359,23 @@ void nr_schedule_msg2(uint16_t rach_frame, uint16_t rach_slot,
if ((scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofDownlinkSymbols > 0) || (scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSymbols > 0))
tdd_period_slot++;
// computing start of next period
uint8_t start_next_period = (rach_slot-(rach_slot%tdd_period_slot)+tdd_period_slot)%nr_slots_per_frame[mu];
*msg2_slot = start_next_period + last_dl_slot_period; // initializing scheduling of slot to next mixed (or last dl) slot
*msg2_frame = (*msg2_slot>(rach_slot))? rach_frame : (rach_frame +1);
int FR = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0] >= 257 ? nr_FR2 : nr_FR1;
uint8_t start_next_period;
if (FR==nr_FR1) {
start_next_period = (rach_slot-(rach_slot%tdd_period_slot)+tdd_period_slot)%nr_slots_per_frame[mu];
*msg2_slot = start_next_period + last_dl_slot_period; // initializing scheduling of slot to next mixed (or last dl) slot
*msg2_frame = (*msg2_slot>(rach_slot))? rach_frame : (rach_frame +1);
}
else {
// in FR2 we need to wait till the second half frame for msg2 since all beams are taken in first half frame by SSBs
if (rach_slot<30) start_next_period = 40;
else start_next_period = 50;
*msg2_slot = start_next_period;
*msg2_frame = (*msg2_slot>(rach_slot))? rach_frame : (rach_frame +1);
}
switch(response_window){
case NR_RACH_ConfigGeneric__ra_ResponseWindow_sl1:
targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band261.tm1.32PRB.usrpn300.conf
+3
View File
@@ -135,6 +135,9 @@ gNBs =
# this is SS=0 L=12
initialULBWPstartSymbolAndLength_1 = 69;
initialULBWPk2_2 = 4;
initialULBWPmappingType_2 = 1;
initialULBWPstartSymbolAndLength_2 = 52;
msg3_DeltaPreamble = 1;
p0_NominalWithGrant =-90;