how to Improve Cqi in LTE

CQI is fixed as per modulation, so if you want to have batter CQI..improve your SINR. you will using only 1 carrier, so

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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. for parameters, i dont think you will be allowed to change :-( i can recommend some parameters..on which vendor you are working?? 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 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 SectorE quipmentFunction::confOutputPower settings pZeroNominalPucch ß some UEs need this to be increased or ACK/NACKs are not receive d successfully on PUCCH. pZeroNominalPusch ß some UEs need this to be increased from default or lots of erro rs 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 5 120ms