Configuration Guide

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7.7.4 A4 Event Threshold
The A4 event is triggered when the neighbor cell becomes better than the serving cell
by as much as the relative threshold value. A4 event is used to the handover based
on coverage of intra-frequency and inter-frequency..
1. In the A4 list, click to display A4 event configuration parameters.
2. Input the value of A4 event, which is the same as A1 event, refer to Table 7-13.
3. Click “Save” to complete the A4 event threshold setting.
7.7.5 A5 Event Threshold
The A5 event is triggered when the serving cell becomes worse than Threshold 1 while a
neighbor cell becomes better than Threshold 2. A5 event can control the edge of
handover out of the serving cell and the edge of handover in of the neighbor cell.
1. In the A5 list, click to display A5 event configuration parameters.
2. Input the value of A5 event, which is the same as A1 event, refer to Table 7-13.
3. Click “Save” to complete the A4 event threshold setting.
7.7.6 B1 Event Threshold
The B1 Event Thresholds pertains the neighbor is better than the absolute threshold,
which is used to measure the RAT cell with high priority.
1. In the B1 list, click to display B1 event configuration parameters, which are
shown in Table 7-14.
Table 7-14 B1 Event Threshold Parameter Description
Parameter Description
B1
Enable or disable the B1 event.
 ON: Enable
 OFF: Disable
Threshold Trigger
Type
The trigger type of the B1 threshold, including RSRP,
RSRQ, and SINR.
B1
Threshold1 EUTRA
RSRP
The RSRP threshold value for triggering B1 event.
Range is from 0 to 127.
B1 Threshold1 EUTRA
RSRQ
The RSRQ threshold value for triggering B1 event.
Range is from 0 to 127.