TA Threshold

Parameter Name

TA Threshold

Description

This parameter is one of the parameters that determine the coverage of the OL subcell and UL subcell.

If the Enhanced Concentric Allowed parameter is set to No, the coverage of the OL subcell and UL subcell is determined by TA Threshold, RX_LEV Threshold, RX_LEV Hysteresis, RX_QUAL Threshold, and TA Hysteresis.

If the Enhanced Concentric Allowed parameter is set to Yes, the coverage of the OL subcell and UL subcell is determined by TA Threshold, UtoO HO Received Level Threshold, OtoU HO Received Level Threshold, RX_QUAL Threshold, and TA Hysteresis.

TA threshold must be smaller than TA emergency handover threshold.

GUI Value Range

[0,255]

Default Value

63

Unit

Bit period (a bit period corresponds to 0.55 km)

Step

-

Modification Rules

None

Configuration Policy

When this parameter is set to 63, if the cell is a common concentric cell, this parameter is not used to determine the coverage of the OL subcell or that of the UL subcell; if the cell is a double-timeslot concentric cell, this parameter is used to determine the coverage of the OL subcell or that of the UL subcell.

Recommended Value

63

Parameter Relationship

None

BSC Feature

Handover

Parameter Class

Parameters About Radio Resources

Caution

None


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