Add 2G Neighbor Cell

Add 2G Neighbor Cell(ADD G2GNCELL)FunctionUse this command to add a 2G neighboring cell.NoteNoneParameterParameter IDParameter NameParameter Description

IDTYPEIndex TypeMeaning: Index type

GUI Value Range: BYNAME(By name), BYID(By index), BYCGI(By CGI)

Actual Value Range: BYNAME, BYID, BYCGI

Unit: None

Default Value: None

Recommended Value: None

SRC2GNCELLIDSource Cell IndexMeaning: A cell Index must be unique in one BSC. It is used to uniquely identify a cell.

GUI Value Range: 0~2047

Actual Value Range: 0~2047

Unit: None

Default Value: None


SRC2GNCELLNAMESource Cell NameMeaning: Name of a cell

GUI Value Range: None

Actual Value Range: 1~64 characters

Unit: None

Default Value: None


NBR2GNCELLIDNeighbor 2G Cell IndexMeaning: Uniform number of a cell index within a BSC, which uniquely identifies a cell.



Unit: None

Default Value: None


NBR2GNCELLNAMENeighbor 2G Cell NameMeaning: Name of a cell



Unit: None

Default Value: None


SRCMCCSource Cell MCCMeaning: Mobile country code (MCC) of the source cell



Unit: None

Default Value: None


SRCMNCSource Cell MNCMeaning: Mobile network code (MNC) of the source cell



Unit: None

Default Value: None


SRCLACSource Cell LACMeaning: Local area code (LAC) of the source cell

GUI Value Range: 1~65533, 65535

Actual Value Range: 1~65533, 65535

Unit: None

Default Value: None


SRCCISource Cell CIMeaning: Source cell ID



Unit: None

Default Value: None


NBRMCCNeighbour Cell MCCMeaning: Mobile Country Code (MCC) of a neighboring cell



Unit: None

Default Value: None


NBRMNCNeighbour Cell MNCMeaning: Mobile Network Code (MNC) of a neighboring cell



Unit: None

Default Value: None


NBRLACNeighbour Cell LACMeaning: Local Area Code (LAC) of a neighboring cell

GUI Value Range: 1~65533, 65535

Actual Value Range: 1~65533, 65535

Unit: None

Default Value: None


NBRCINeighbour Cell CIMeaning: Cell ID of a neighboring cell



Unit: None

Default Value: None


SRCHOCTRLSWITCHCurrent HO CTRL Algorithm in Source CellMeaning: Whether the currently used handover algorithm in the source cell is HO Algorithm I or HO Algorithm II

GUI Value Range: HOALGORITHM1(Handover algorithm I), HOALGORITHM2(Handover algorithm II)

Actual Value Range: HOALGORITHM1, HOALGORITHM2

Unit: None

Default Value: HOALGORITHM1

Recommended Value: HOALGORITHM1

INTERCELLHYSTInter-cell HO HysteresisMeaning: Hysteresis value during the handovers between cells, This value is used to suppress ping-pong handovers between cells.



Unit: dB

Default Value: 68

Recommended Value: In densely populated urban areas, the recommended value is 68; in the suburbs, the recommended value is 72.

MINOFFSETMin Access Level OffsetMeaning: Minimum receive level offset.An MS can be handed over to a neighboring cell only when the downlink level of the neighboring cell is greater than the sum of Min DL level on candidate Cell and the value of this parameter.



Unit: dB

Default Value: 0

Recommended Value: 0

PBGTMARGINPBGT HO ThresholdMeaning: PBGT handovers to a neighboring cell are allowed only when the downlink level difference between the neighboring cell and the serving cell is larger than this parameter. When the value of this parameter is smaller than 64, handovers to a neighboring cell with a lower level than the current serving cell are allowed.



Unit: dB

Default Value: 68

Recommended Value: In densely populated urban areas, the recommended value is 68; in the suburbs, the recommended value is 72.

BQMARGINBQ HO MarginMeaning: If (downlink level of the neighbor cell after filtering - downlink level of the serving cell (after power control compensation)) > (Inter-cell HO Hysteresis - BQ HO Margin + 64), the BQ handover to the neighbor cell is triggered.



Unit: dB

Default Value: 69


ISCHAINNCELLChain Neighbor CellMeaning: Whether the cell is a chain neighboring cell. The parameter is used in the quick handover algorithm. Quick handover aims to increase the handover success rate of an MS moving at a high speed and to ensure the call continuity and low call drop rate. Quick handover applies to the scenario where an MS moves fast along an urban backbone road, a selected route, or a high-speed railroad. The target cell must be a chain neighboring cell.

GUI Value Range: NO(No), YES(Yes)

Actual Value Range: NO, YES

Unit: None

Default Value: NO

Recommended Value: NO

INTELEVHOHYSTAdjacent Cell Inter-layer HO HysteresisMeaning: Hysteresis value during the handovers between cells on different layers or of different priorities. This value is used to suppress inter-layer ping-pong handovers.



Unit: dB

Default Value: 67


DRHOLEVRANGEDirected Retry Handover Level RangeMeaning: Maximum signal level difference between the neighbor cell and the serving cell for triggering directed retry



Unit: dB

Default Value: 72


IBCANCELLFLAGIBCA Neighbor Cell FlagMeaning: Indicates whether this neighboring cell is the IBCA neighboring cell of the serving cell. That is, when a cell is configured as the neighboring cell of the serving cell, whether the IBCA algorithm considers the interference between the serving cell and the neighboring cell.



Unit: None

Default Value: NO

Recommended Value: NO

IBCADYNCMEASURENCELLALLOWEDIBCA Dyn Measure Neighbour Cell FlagMeaning: Whether to measure the IBCA neighbor cells of the serving cell dynamically. If the dynamic measurement is enabled, when a call uses a channel, the BSC sends the SACCH Modify message to modify the frequencies in the BA2 table in System Information 5, 5bis, and 5ter to the frequencies at which the IBCA neighbor cells operate. Thus, the call measures and reports only these frequencies to the BSC.



Unit: None

Default Value: NO

Recommended Value: Set this parameter to YES for the neighboring cell with co-channel interference and the neighboring cell that may cause interference; set this parameter to NO for other neighboring cells.

IBCARXLEVOFFSETIBCA RxLev OffsetMeaning: Estimates the receive level of the unmeasured IBCA neighboring cells. When a consecutive IBCA Non Measurement Ncell Stat. Num measurement reports cover less than six neighboring cells (or the number of the reported neighboring cells is smaller than that of the actually configured neighboring cells), this parameter is used to estimate the receive level of the unmeasured IBCA neighboring cells. The estimated value is IBCA Pathloss Est of Non. MR Ncell. Otherwise, the signal strength of the unmeasured IBCA neighboring cells is the signal strength of the measured neighboring cells (including non-IBCA neighboring cells) subtracted by IBCA RxLev Offset.



Unit: dB

Default Value: 4


CHAINNCELLTYPEChain Neighbour Cell TypeMeaning: This parameter indicates the geographical relationship between the neighboring cell and the serving cell. In the BSC, if direction A is selected, then the reverse direction is B.

GUI Value Range: QUICK_HO_NCELL_TYPE_A(QUICK_HO_NCELL_TYPE_A), QUICK_HO_NCELL_TYPE_B(QUICK_HO_NCELL_TYPE_B)

Actual Value Range: QUICK_HO_NCELL_TYPE_A, QUICK_HO_NCELL_TYPE_B

Unit: None

Default Value: QUICK_HO_NCELL_TYPE_A

Recommended Value: QUICK_HO_NCELL_TYPE_A

EDGEADJSTATTIMEEdge HO AdjCell Watch TimeMeaning: According to the P/N rule, if a neighbor cell meets the conditions for selecting the neighbor cell for edge handover in P of N measurement reports, the edge handover to the neighbor cell is triggered.This parameter specifies the number N.


Actual Value Range: 0.5~16, step:0.5

Unit: s

Default Value: 6


EDGEADJLASTTIMEEdge HO AdjCell Valid TimeMeaning: According to the P/N rule, if a neighbor cell meets the conditions for selecting the neighbor cell for edge handover in P of N measurement reports, the edge handover to the neighbor cell is triggered.This parameter specifies the number P.



Unit: s

Default Value: 4


LEVSTATLayer HO Watch TimeMeaning: The triggering of inter-layer handovers must meet the P/N criteria, that is, when the condition for inter-layer handovers is met for a consecutive P seconds during N seconds, an inter-layer handover is triggered. This parameter corresponds to the N in the P/N criteria.



Unit: s

Default Value: 6


LEVLASTLayer HO Valid TimeMeaning: The triggering of inter-layer handovers must meet the P/N criteria, that is, when the condition for inter-layer handovers is met for a consecutive P seconds during N seconds, an inter-layer handover is triggered. This parameter corresponds to the P in the P/N criteria.



Unit: s

Default Value: 4


PBGTSTATPBGT Watch TimeMeaning: The triggering of PBGT handovers must meet the P/N criteria, that is, when the condition for PBGT handovers is met for a consecutive P seconds during N seconds, a PBGT handover is triggered. This parameter corresponds to the N in the P/N criteria.



Unit: s

Default Value: 6


PBGTLASTPBGT Valid TimeMeaning: The triggering of PBGT handovers must meet the P/N criteria, that is, when the condition for PBGT handovers is met for a consecutive P seconds during N seconds, a PBGT handover is triggered. This parameter corresponds to the P in the P/N criteria.



Unit: s

Default Value: 4


BETTERCELLSTATTIMEBetter Cell HO Watch TimeMeaning: According to the P/N rule, if the conditions for the handover to a better cell due to interference are met for P seconds within N seconds, the handover is triggered.This parameter specifies the number N.



Unit: s

Default Value: 6


BETTERCELLLASTTIMEBetter Cell HO Valid TimeMeaning: According to the P/N rule, if the conditions for the handover to a better cell due to interference are met for P seconds within N seconds, the handover is triggered.This parameter specifies the number P.



Unit: s

Default Value: 4


HOSTATICTIMEQuick Handover Static TimeMeaning: According to the P/N rule, if the conditions for fast handover are met in P of N measurement reports, the handover is triggered.This parameter specifies the number N.



Unit: s

Default Value: 4


HOLASTTIMEQuick Handover Last TimeMeaning: According to the P/N rule, if the conditions for fast handover are met in P of N measurement reports, the handover is triggered.This parameter specifies the number P.



Unit: s

Default Value: 3


HCSSTATTIMEHCS HO Watch TimeMeaning: According to the P/N rule, if the conditions for the handover to a different micro cell due to fast movement are met in P of N measurement reports, the handover is triggered.This parameter specifies the number N.



Unit: s

Default Value: 3


HCSLASTTIMEHCS HO Valid TimeMeaning: According to the P/N rule, if the conditions for the handover to a different micro cell due to fast movement are met in P of N measurement reports, the handover is triggered.This parameter specifies the number P.



Unit: s

Default Value: 2


BQSTATTIMEBQ HO Watch TimeMeaning: According to the P/N rule, if the conditions for emergency BQ handover are met in P of N measurement reports, the handover is triggered.This parameter specifies the number N.



Unit: s

Default Value: 1


BQLASTTIMEBQ HO Valid TimeMeaning: According to the P/N rule, if the conditions for emergency BQ handover are met in P of N measurement reports, the handover is triggered.This parameter specifies the number P.



Unit: s

Default Value: 1


TASTATTIMETA HO Watch TimeMeaning: The P/N criterion must be met for triggering a TA handover. That is, the TA handover can be triggered only if P measurement reports among N measurement reports meet the triggering conditions. This parameter corresponds to N in the P/N criterion.


Actual Value Range: 0.5~0.8, step:0.5

Unit: s

Default Value: 1


TALASTTIMETA HO Valid TimeMeaning: The P/N criterion must be met for triggering a TA handover. That is, the TA handover can be triggered only if P measurement reports among N measurement reports meet the triggering conditions. This parameter corresponds to P in the P/N criterion.



Unit: s

Default Value: 1


ULBQSTATTIMEUL BQ HO Static TimeMeaning: The P/N criterion must be met for triggering a UL BQ handover. That is, the UL BQ handover can be triggered only if P measurement reports among N measurement reports meet the triggering conditions. This parameter corresponds to N in the P/N criterion.



Unit: s

Default Value: 1


ULBQLASTTIMEUL BQ HO Last TimeMeaning: The P/N criterion must be met for triggering a UL BQ handover. That is, the UL BQ handover can be triggered only if P measurement reports among N measurement reports meet the triggering conditions. This parameter corresponds to P in the P/N criterion.



Unit: s

Default Value: 1


LOADHOPBGTMARGINLoad HO PBGT ThresholdMeaning: If the path loss in the serving cell minus that in a handover candidate cell is not smaller than the parameter value, the handover to the candidate cell is allowed. The parameter loosens the requirement of the PBGT handover threshold when the load of the serving cell reaches a certain level. Some traffic that could not be handed over to a neighboring cell through the PBGT handover can be handed over now. The value "0" indicates that the enhanced load handover to the neighboring cell is not allowed.


Actual Value Range: -64dB ~ 63dB

Unit: None

Default Value: 0


ExampleTo add a neighboring cell (IDTYPE = Index Type , Source Cell Name = Cell000, Neighbor 2G Cell Name = cell002; Inter-cell HO Hysteresis = 50; Min Access Level Offset = 60; Adjacent Cell Inter-layer HO Hysteresis = 68), run the following command:ADD G2GNCELL: IDTYPE=BYNAME, SRC2GNCELLNAME="Cell000", NBR2GNCELLNAME="cell002", INTERCELLHYST=50, MINOFFSET=60, INTELEVHOHYST=68;

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Add 2G Neighbor Cell