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Lock PRACH region through vrb_map_UL

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This commit is contained in:
Robert Schmidt
2020-04-06 13:56:31 +02:00
parent abc65b1d86
commit a3bbbd0630
1 changed files with 10 additions and 25 deletions
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openair2/LAYER2/MAC/eNB_scheduler_ulsch.c
+10 -25
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@@ -1211,32 +1211,17 @@ schedule_ulsch(module_id_t module_idP,
/* Note: RC.nb_mac_CC[module_idP] should be lower than or equal to NFAPI_CC_MAX */
for (int CC_id = 0; CC_id < RC.nb_mac_CC[module_idP]; CC_id++, cc++) {
/* From Louis-Adrien to François:
* The comment bloc below is to configure with a command line.
* I took it from the equivalent part in the fairRR scheduler (around line 2578 in eNB_scheduler_fairRR.c).
* As said in the meeting, it seems to work only for small TBS.
* The cause of false RA still present with this fix is to investigate.
*
* Note: in the get_prach_prb_offset() function below, the last argument is frameP in eNB_scheduler_fairRR.c
* I think it should be sched_frame instead. This parameter has only impacts in case TDD and preamble format 4.
* To confirm.
*/
/* TODO: update vrb_map_UL here? */
/*
int start_rb = 0;
int nb_rb = 6;
LTE_DL_FRAME_PARMS *frame_parms = &(RC.eNB[module_idP][CC_id]->frame_parms);
if (is_prach_subframe(frame_parms, sched_frame, sched_subframe) == 1) {
start_rb = get_prach_prb_offset(frame_parms,
frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex,
frame_parms->prach_config_common.prach_ConfigInfo.prach_FreqOffset,
0, // tdd_mapindex
sched_frame); // Nf
first_rb[CC_id] = start_rb + nb_rb;
LTE_DL_FRAME_PARMS *frame_parms = &RC.eNB[module_idP][CC_id]->frame_parms;
if (is_prach_subframe(frame_parms, sched_frame, sched_subframe)) {
int start_rb = get_prach_prb_offset(
frame_parms,
frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex,
frame_parms->prach_config_common.prach_ConfigInfo.prach_FreqOffset,
0, // tdd_mapindex
sched_frame); // Nf
for (int i = 0; i < 6; i++)
cc[CC_id].vrb_map_UL[start_rb + i] = 1;
}
*/
/* HACK: let's remove the PUCCH from available RBs
* we suppose PUCCH size is: