Commit 6746ef4c authored by Robert Schmidt's avatar Robert Schmidt

Make maximum DL MCS configurable

parent ca5a3cc0
......@@ -58,6 +58,7 @@
#define CONFIG_STRING_MACRLC_DL_BLER_TARGET_UPPER "dl_bler_target_upper"
#define CONFIG_STRING_MACRLC_DL_BLER_TARGET_LOWER "dl_bler_target_lower"
#define CONFIG_STRING_MACRLC_DL_RD2_BLER_THRESHOLD "dl_rd2_bler_threshold"
#define CONFIG_STRING_MACRLC_DL_MAX_MCS "dl_max_mcs"
/*-------------------------------------------------------------------------------------------------------------------------------------------------------*/
......@@ -85,6 +86,7 @@
{CONFIG_STRING_MACRLC_DL_BLER_TARGET_UPPER, "Upper threshold of BLER to decrease DL MCS", 0, dblptr:NULL, defdblval:0.15, TYPE_DOUBLE, 0}, \
{CONFIG_STRING_MACRLC_DL_BLER_TARGET_LOWER, "Lower threshold of BLER to increase DL MCS", 0, dblptr:NULL, defdblval:0.05, TYPE_DOUBLE, 0}, \
{CONFIG_STRING_MACRLC_DL_RD2_BLER_THRESHOLD, "Threshold of RD2/RETX2 BLER to decrease DL MCS", 0, dblptr:NULL, defdblval:0.01, TYPE_DOUBLE, 0}, \
{CONFIG_STRING_MACRLC_DL_MAX_MCS, "Maximum DL MCS that should be used", 0, u8ptr:NULL, defintval:20, TYPE_UINT8, 0}, \
}
#define MACRLC_CC_IDX 0
#define MACRLC_TRANSPORT_N_PREFERENCE_IDX 1
......@@ -106,5 +108,6 @@
#define MACRLC_DL_BLER_TARGET_UPPER_IDX 17
#define MACRLC_DL_BLER_TARGET_LOWER_IDX 18
#define MACRLC_DL_RD2_BLER_THRESHOLD_IDX 19
#define MACRLC_DL_MAX_MCS_IDX 20
/*---------------------------------------------------------------------------------------------------------------------------------------------------------*/
#endif
......@@ -671,6 +671,7 @@ void RCconfig_nr_macrlc() {
RC.nrmac[j]->dl_bler_target_upper = *(MacRLC_ParamList.paramarray[j][MACRLC_DL_BLER_TARGET_UPPER_IDX].dblptr);
RC.nrmac[j]->dl_bler_target_lower = *(MacRLC_ParamList.paramarray[j][MACRLC_DL_BLER_TARGET_LOWER_IDX].dblptr);
RC.nrmac[j]->dl_rd2_bler_threshold = *(MacRLC_ParamList.paramarray[j][MACRLC_DL_RD2_BLER_THRESHOLD_IDX].dblptr);
RC.nrmac[j]->dl_max_mcs = *(MacRLC_ParamList.paramarray[j][MACRLC_DL_MAX_MCS_IDX].u8ptr);
}// for (j=0;j<RC.nb_nr_macrlc_inst;j++)
}else {// MacRLC_ParamList.numelt > 0
AssertFatal (0,"No " CONFIG_STRING_MACRLC_LIST " configuration found");
......
......@@ -457,7 +457,7 @@ int get_mcs_from_bler(module_id_t mod_id, int CC_id, frame_t frame, sub_frame_t
if (bler_stats->rd2_bler > nrmac->dl_rd2_bler_threshold && old_mcs > 6) {
new_mcs -= 2;
} else if (bler_stats->rd2_bler < nrmac->dl_rd2_bler_threshold) {
if (bler_stats->bler < nrmac->dl_bler_target_lower && old_mcs < 28 && dtx > 9)
if (bler_stats->bler < nrmac->dl_bler_target_lower && old_mcs < nrmac->dl_max_mcs && dtx > 9)
new_mcs += 1;
else if (bler_stats->bler > nrmac->dl_bler_target_upper && old_mcs > 6)
new_mcs -= 1;
......
......@@ -743,6 +743,7 @@ typedef struct gNB_MAC_INST_s {
double dl_bler_target_upper;
double dl_bler_target_lower;
double dl_rd2_bler_threshold;
uint8_t dl_max_mcs;
} gNB_MAC_INST;
#endif /*__LAYER2_NR_MAC_GNB_H__ */
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