UL: do not schedule last UL RB, the UEs don't like that

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c

@@ -945,7 +945,9 @@ void pf_ul(module_id_t module_id,
 
     NR_UE_sched_ctrl_t *sched_ctrl = &UE_info->UE_sched_ctrl[UE_id];
     int rbStart = NRRIV2PRBOFFSET(sched_ctrl->active_bwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
-    const uint16_t bwpSize = NRRIV2BW(sched_ctrl->active_ubwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
+    /* for some reason, the UEs do not like when they are scheduled on the last
+     * RB. Hence, as a (hopefully temporary) fix, schedule one RB less. */
+    const uint16_t bwpSize = NRRIV2BW(sched_ctrl->active_ubwp->bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE) - 1;
     NR_sched_pusch_t *sched_pusch = &sched_ctrl->sched_pusch;
     NR_pusch_semi_static_t *ps = &sched_ctrl->pusch_semi_static;