5.2.1 QRxLevMin (Minimum required RX level)
Description
Meaning: This parameter indicates the required minimum receive level used in criteria S. It affects the possibility for selecting an E-UTRAN cell. The value of this parameter is delivered in SIB1. The actual value is equal to the IE value in SIB1 multiplied by 2. For details, see 3GPP TS 36.331.
Value type: integer Value range: -70 to -22 Adjustment step: 1 Unit: 2 dBm Default value: -64
Parameter relationship: none Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: -64
Impact of parameter setting on network performance: Increasing the value of this parameter for a cell reduces the possibility for selecting the cell. This parameter must be properly set to ensure that the signal quality of the cell meets service requirements.
Related Commands
MOD CELLSEL:;
MOD CELLSEL: LocalCellId=x, QRxLevMin=-64;
5.2.2 QRxLevMinOffset (Minimum required RX level offset)
Description
Meaning: This parameter indicates the offset of the minimum receive level for a UE served by a visited public land mobile network (VPLMN) to attempt to select a higher-priority PLMN cell. The value of this parameter is delivered in SIB1. The actual value is equal to the IE value in SIB1 multiplied by 2. For details, see 3GPP TS 36.331.
Value type: integer Value range: 0 to 8
Adjustment step: 1 Unit: 2 dB
Default value: 0
Parameter relationship: none Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: 0
Impact of parameter setting on network performance: Increasing the value of this parameter for a cell increases the possibility for selecting the cell. If SIB1 does not contain the value of this parameter, the default value 0 is used.
Related Commands
MOD CELLSEL:;
MOD CELLSEL: LocalCellId=5, QRxLevMinOffset=0;
5.2.3 QQualMin (Minimum required RX quality level)
Description
Meaning: This parameter indicates the required minimum receive level used in criteria S. It affects the possibility for selecting an E-UTRAN cell. The value of this parameter is delivered in SIB1. The actual value is equal to the IE value in SIB1 multiplied by 2. For details, see 3GPP TS 36.331.
Value type: integer Value range: -34 to -3 Adjustment step: 1 Unit: dB
Default value: -18
Parameter relationship: If SIB3 contains ThrshServLowQ, this parameter must be delivered in SIB1.
Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: -18
Impact of parameter setting on network performance: Increasing the value of this parameter for a cell reduces the possibility for selecting the cell. This parameter must be properly set to
ensure that the signal quality of the cell meets service requirements. If SIB1 does not contain the value of this parameter, the value -∞ is used.
Related Commands
LST CELLSEL;
MOD CELLSEL: LocalCellId=x, QQualMin=x;
5.2.4 QQualMinOffset (Minimum required RX quality level offset)
Description
Meaning: This parameter indicates the offset of the minimum receive signal quality for a UE served by a VPLMN to attempt to select a higher-priority PLMN cell. The value of this parameter is delivered in SIB1. The actual value is equal to the IE value in SIB1. For details, see 3GPP TS 36.331.
Value type: integer Value range: 1 to 8 Adjustment step: 1 Unit: dB
Default value: 1
Parameter relationship: none Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: 1
Impact of parameter setting on network performance: Increasing the value of this parameter for a cell increases the possibility for selecting the cell. If SIB1 does not contain the value of this parameter, the default value 0 is used.
Related Commands
LST CELLSEL;
MOD CELLSEL: QQualMinOffsetCfgInd= CFG, QQualMinOffset=x;
5.2.5 SIntraSearch (Threshold for intra frequency measurements)
Description
Meaning: This parameter indicates the threshold for triggering measurement of
intra-frequency cells. The value of this parameter is delivered in SIB3. The actual value is equal to the IE value in SIB3 multiplied by 2. For details, see 3GPP TS 36.331.
Value type: integer Value range: 0 to 31 Adjustment step: 1 Unit: 2 dB
Default value: 29
Parameter relationship: none Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: 29
Impact of parameter setting on network performance: Increasing the value of this parameter increases the possibility for triggering measurement of intra-frequency cells. If SIB3 does not contain the value of this parameter, the value ∞ is used and measurement of intra-frequency cells is performed.
Related Commands
LST CELLRESEL:;
MOD CELLRESEL: LocalCellId=x, SIntraSearchCfgInd=CFG, SIntraSearch=29;
5.2.6 ThrshServLow (Serving frequency lower priority threshold)
Description
Meaning: This parameter indicates the threshold for triggering cell reselection to a
lower-priority inter-frequency or inter-RAT cell. The value of this parameter is delivered in SIB3. The actual value is equal to the IE value in SIB3 multiplied by 2. For details, see 3GPP TS 36.331.
Value type: integer Value range: 0 to 31 Adjustment step: 1 Unit: 2 dB
Default value: 0
Parameter relationship: none Impact scope: cell
Setting
Recommended value: 0
Impact of parameter setting on network performance: Increasing the value of this parameter for a cell increases the possibility for reselecting the cell.
Related Commands
MOD CELLRESEL:;
MOD CELLRESEL: LocalCellId=x, ThrshServLow=0;
5.2.7 SNonIntraSearch (Threshold for EUTRAN inter-frequency and inter-RAT measurements)
Description
Meaning: This parameter indicates the threshold for triggering measurement of
inter-frequency or inter-RAT cells. The value of this parameter is delivered in SIB3. The actual value is equal to the IE value in SIB3 multiplied by 2. For details, see 3GPP TS 36.331.
Value type: integer Value range: 0 to 31 Adjustment step: 1 Unit: 2 dB
Default value: 5
Parameter relationship: This parameter is optional, depending on the setting of the SNonIntraSearchCfgInd parameter:
When SNonIntraSearchCfgInd is set to CFG, SNonIntraSearch must be set.
When SNonIntraSearchCfgInd is set to NOT_CFG, SNonIntraSearch does not need to be set.
Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: 5
Impact of parameter setting on network performance: Increasing the value of this parameter increases the possibility for triggering measurement of same-priority inter-frequency cells or lower-priority inter-frequency or inter-RAT cells. If SIB3 does not contain the value of this parameter, the value ∞ is used and t\measurement of same-priority inter-frequency cells or lower-priority inter-frequency or inter-RAT cells is performed.
Related Commands
MOD CELLRESEL:;
MOD CELLRESEL: LocalCellId=x, SNonIntraSearchCfgInd=CFG, SNonIntraSearch=5;
5.2.8 SIntraSearchQ (RSRQ Threshold for intra frequency measurements)
Description
Meaning: This parameter indicates the RSRQ threshold for starting measurement of intra-frequency cells. The value of this parameter is delivered in SIB3. The actual value is equal to the IE value in SIB3. For details, see 3GPP TS 36.331.
Value type: integer Value range: 0 to 31 Adjustment step: 1 Unit: dB
Default value: 5
Parameter relationship: none Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: 5
Impact of parameter setting on network performance: Increasing the value of this parameter increases the possibility for triggering measurement of intra-frequency cells.
Related Commands
LST CELLRESEL;
MOD CELLRESEL: SIntraSearchQ=x;
5.2.9 CellReselPriority (Cell reselection priority)
Description
Meaning: This parameter indicates the priority of the frequency being used by the UE. It affects the frequency usage. The value of this parameter is delivered in SIB3. For details, see 3GPP TS 36.331.
Value type: integer Value range: 0 to 7 Adjustment step: 1 Unit: none
Default value: 7
Parameter relationship: none
Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: 7
Impact of parameter setting on network performance: Cells in different RATs must have different priorities. Increasing the value of this parameter reduces the possibility for reselecting an inter-frequency cell.
Related Commands
LST CELLRESEL:;
MOD CELLRESEL: LocalCellId=x, CellReselPriority=0;
5.2.10 QRxLevMin (Minimum required RX level)
Description
Meaning: This parameter indicates the minimum receive level required for reselecting an intra-frequency E-UTRAN cell. It affects the possibility for reselecting an E-UTRAN cell.
The value of this parameter is delivered in SIB3. For details, see 3GPP TS 36.331.
Value type: integer Value range: -70 to -22 Adjustment step: 1 Unit: 2 dBm Default value: -64
Parameter relationship: none Impact scope: cell
Setting
Recommended value: -64
Impact of parameter setting on network performance: Increasing the value of this parameter for a cell reduces the possibility for selecting the cell. This parameter must be properly set to ensure that the signal quality of the cell meets service requirements.
Related Commands
LST CELLRESEL:
MOD CELLRESEL: LocalCellId=x, QRxLevMin=-64;
5.2.11 QqualMin (Minimum RX signal quality)
Description
Meaning: This parameter indicates the minimum receive signal quality required for reselecting an intra-frequency E-UTRAN cell. It affects the possibility for reselecting an intra-frequency E-UTRAN cell. The value of this parameter is delivered in SIB3. For details, see 3GPP TS 36.331.
Value type: integer Value range: -34 to -3 Adjustment step: 1 Unit: dB
Default value: -18
Parameter relationship: none Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: -18
Impact of parameter setting on network performance: Increasing the value of this parameter for a cell reduces the possibility for selecting the cell. This parameter must be properly set to ensure that the signal quality of the cell meets service requirements.
Related Commands
LST CELLRESEL;
MOD CELLRESEL: LocalCellId=x,QqualMinCfgInd= CFG, QqualMin=x;
5.2.12 MeasBandWidth (Measurement bandwidth)
Description
Meaning: This parameter indicates the measurement bandwidth on the serving frequency on which the UE camps. It is used in intra-frequency measurements for cell reselection and those by UEs in RRC_CONNECTED mode. This parameter is optional; if it is not set, the downlink bandwidth of the serving cell is used by default.
Value type: enumeration
Value range: MBW6(1.4M), MBW15(3M), MBW25(5M), MBW50(10M), MBW75(15M), MBW100(20M)
Adjustment step: N/A Unit: MHz
Default value: MBW6(1.4M)
Parameter relationship: none Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: downlink bandwidth of the serving cell
Impact of parameter setting on network performance: Increasing the value of this parameter reduces the measurement deviation but increases the amount of resources consumed.
Related Commands
LST CELLRESEL:;
MOD CELLRESEL: LocalCellId=x, SIntraSearchCfgInd=CFG, MeasBandWidthCfgInd=CFG, MeasBandWidth= MBW6;
5.2.13 CellQoffset (Cell offset)
Description
Meaning: This parameter indicates the offset between the serving cell and an intra-frequency neighboring cell. It affects the possibility for reselecting an intra-frequency cell. The value of this parameter is delivered in SIB4. For details, see 3GPP TS 36.331.
Value type: enumeration
Value range: dB-24(-24dB), dB-22(-22dB), dB-20(-20dB), dB-18(-18dB), dB-16(-16dB), dB-14(-14dB), dB-12(-12dB), dB-10(-10dB), dB-8(-8dB), dB-6(-6dB), dB-5(-5dB), dB-4(-4dB), dB-3(-3dB), dB-2(-2dB), dB-1(-1dB), dB0(0dB), dB1(1dB), dB2(2dB), dB3(3dB), dB4(4dB), dB5(5dB), dB6(6dB), dB8(8dB), dB10(10dB), dB12(12dB), dB14(14dB), dB16(16dB), dB18(18dB), dB20(20dB), dB22(22dB), dB24(24dB) Adjustment step: N/A
Unit: dB
Default value: dB0(0dB) Parameter relationship: none Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: dB0(0dB)
Impact of parameter setting on network performance: Increasing the value of this parameter reduces the possibility that the UE resides in the neighboring cell during cell reselection.
Related Commands
LST EUTRANINTRAFREQNCELL:;
MOD EUTRANINTRAFREQNCELL: LocalCellId=x, Mcc=x, Mnc=x, eNodeBId=x, CellId=x, CellQoffset=0;
5.2.14 QoffsetFreq (Frequency offset)
Description
Meaning: This parameter indicates the frequency offset of an inter-frequency E-UTRAN cell.
It affects the possibility for reselecting an inter-frequency E-UTRAN cell. The value of this parameter is delivered in SIB5. For details, see 3GPP TS 36.331.
Value type: enumeration
Value range: dB-24(-24dB), dB-22(-22dB), dB-20(-20dB), dB-18(-18dB), dB-16(-16dB), dB-14(-14dB), dB-12(-12dB), dB-10(-10dB), dB-8(-8dB), dB-6(-6dB), dB-5(-5dB), dB-4(-4dB), dB-3(-3dB), dB-2(-2dB), dB-1(-1dB), dB0(0dB), dB1(1dB), dB2(2dB), dB3(3dB), dB4(4dB), dB5(5dB), dB6(6dB), dB8(8dB), dB10(10dB), dB12(12dB), dB14(14dB), dB16(16dB), dB18(18dB), dB20(20dB), dB22(22dB), dB24(24dB) Adjustment step: N/A
Unit: dB
Default value: dB0(0dB) Parameter relationship: none Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: dB0(0dB)
Impact of parameter setting on network performance: Increasing the value of this parameter reduces the possibility for selecting other frequency-specific cells. This parameter must be properly set to prevent the event that the UE fails to enter the target cell in time after exiting the original residence cell.
Related Commands
LST EUTRANINTERNFREQ:;
MOD EUTRANINTERNFREQ: LocalCellId=x, DlEarfcn=x, QoffsetFreq=0;
5.2.15 Qhyst (Hysteresis value for ranking criteria)
Description
Meaning: This parameter indicates the hysteresis for reselecting an intra-frequency cell or a cell with the same priority. It affects the possibility for reselecting an intra-frequency cell or a cell with the same priority to reduce ping-pong handovers. The value of this parameter is delivered in SIB3. For details, see 3GPP TS 36.331.
Value type: integer
Value range: DB0_Q_HYST(0dB), DB1_Q_HYST(1dB), DB2_Q_HYST(2dB), DB3_Q_HYST(3dB), DB4_Q_HYST(4dB), DB5_Q_HYST(5dB),
DB6_Q_HYST(6dB), DB8_Q_HYST(8dB), DB10_Q_HYST(10dB), DB12_Q_HYST(12dB), DB14_Q_HYST(14dB), DB16_Q_HYST(16dB), DB18_Q_HYST(18dB), DB20_Q_HYST(20dB), DB22_Q_HYST(22dB), DB24_Q_HYST(24dB)
Adjustment step: N/A Unit: dB
Default value: DB4_Q_HYST(4dB) Parameter relationship: none Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: DB4_Q_HYST(4dB)
Impact of parameter setting on network performance: Increasing the value of this parameter reduces the possibility for reselecting an intra-frequency cell or a cell with the same priority.
Related Commands
LST CELLRESEL;
MOD CELLRESEL: LocalCellId=0, Qhyst=DB4_Q_HYST;
5.2.16 TReselEutran (Cell reselection timer value for EUTRAN)
Description
Meaning: This parameter indicates the time for reselecting an E-UTRAN cell. It controls the triggering of cell reselection to an intra-frequency cell or a cell with the same priority. If the conditions of a cell are better than those of the serving cell within the time specified by this parameter and the UE resides in the serving cell for more than 1 second, the UE will reselect the cell with better conditions. The value of this parameter is delivered in SIB3. For details, see 3GPP TS 36.331.
Value type: integer Value range: 0 to 7 Adjustment step: 1 Unit: s
Default value: 1
Parameter relationship: none Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: 1
Impact of parameter setting on network performance: Increasing the value of this parameter reduces the possibility for reselecting an intra-frequency cell or a cell with the same priority.
Related Commands
LST CELLRESEL;
MOD CELLRESEL: LocalCellId=0x PMaxCfgInd=NOT_CFG, TReselEutran=1;
5.2.17 PMax (Max transmit power allowed) in CellResel
Description
Meaning: This parameter indicates the maximum transmit power of the UE during
intra-frequency E-UTRAN cell reselection. It controls the uplink coverage radius. The value of this parameter is delivered in SIB3. For details, see 3GPP TS 36.331.
Value type: integer Value range: -30 to 33 Adjustment step: 1 Unit: dBm
Default value: 23
Parameter relationship: none Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: 23
Impact of parameter setting on network performance: Increasing the value of this parameter reduces the possibility for reselecting an inter-frequency cell. The value of this parameter is the same as the maximum power of the random access channel (RACH) and is set based on the actual coverage.
Related Commands
LST CELLRESEL:;
MOD CELLRESEL: LocalCellId=x, PMaxCfgInd=CFG, PMax=23;
5.2.18 TreselectionHrpd (Cell reselection timer for HRPD)
Description
Meaning: This parameter indicates the evaluation time for cell reselection when the UE resides in a CDMA2000 HRPD cell. It determines the triggering of CDMA2000 HRPD cell reselection. The value of this parameter is delivered in SIB8. For details, see 3GPP TS 36.331.
Value type: integer Value range: 0 to 7 Adjustment step: 1 Unit: s
Default value: 1
Parameter relationship: none Impact scope: cell
Scenario-based parameter: no
Setting
Recommended value: 1
Impact of parameter setting on network performance: Increasing the value of this parameter reduces the possibility for reselecting the serving cell.
Related Commands
LST CELLRESELCDMA2000:;
MOD CELLRESELCDMA2000: LocalCellId=x, HrpdParamCfgInd=CFG, HrpdCellReselectParamCfgInd=CFG, TreselectionHrpd=1;