For RRC Improvement
FOr RRC-MAXNUMRRC
-ActPucch
-PRACHCS-10 to 8
-Pmaxcch
CQI:Mimomode
ActfastMimoswitch
MimoclcqithD/U
CQI is fixed as per modulation, so if you want to have batter CQI..improve your SINR.
you will using only 1 carrier, so try to remove overlapping ( reduce the number of server within
3, 5 & 10 Db).
also, if possible then make Your PCI plan as per MOD3,MOD6 & MOD30.
For uplink.
from radio side below are the points to check.
–Uplink scheduling overview
–BSR (Buffer Status Report)
–PHR (Power Headroom Report) – is the UE at maximum power?
–Cell bandwidth vs. maximum allowable PRBs
–Link Adaptation
–MCS available and 16QAM
–PDCCH SIB scheduling colliding with UL grant
Ericsson Vendore spaecific:›dlChannelBandwidth / ulChannelBandwidth
›(nrOfSymbolsPdcch) (Control Region Size) ß
›noOfUsedTxAntennas ß controls whether OLSM MIMO is used (2) or not.
›partOfRadioPower ß NOTE: this is the % part of RU capability independent of
SectorEquipmentFunction::confOutputPower settings
›pZeroNominalPucch ß some UEs need this to be increased or ACK/NACKs are not received
successfully on PUCCH.
›pZeroNominalPusch ß some UEs need this to be increased from default or lots of errors seen
on PUSCH
–SectorEquipmentFunction=Sx
›confOutputPower / fqBand (readOnly)
–DataRadioBearer
›Various parameters for RLC status reporting and retransmission. Should be set to
recommended values.
–MACConfiguration
›xxMaxHARQTx – enable (>1) or disable (1) HARQ. Recommended to use 4 HARQTx.
›tPeriodicBSRTimer – seen in UE testing to have some impact, recommend to set to 5ms.
›tTimeAlignmentTimer – seen in UE testing to have some impact, recommend to set to 5120ms