Objective: Untuk menghindari ping-pong HO dari event 1D Default parameter : 0s. Propose parameter : 2s

Logical Name

GUI Name

Parameter Description

Instance Related FG

Value Range and

Step

Unit Configuration Rule and

Adjustment Suggestion

Default Value Configuration

Reason

T1d Timer for Event 1D in HSPA or MBMS(s)

For HSPA, this parameter indicates the minimum interval between two HSPA serving cell changes or channel , which helps to avoid too frequent HSPA serving cell changes and channel transition. For MBMS, this parameter indicates the minimum interval between two best cell changes due to event 1d which helps to avoid too frequent change between PTP and PTM bearer types.

RNC Handover Control

(0..65535)s step 1

s Function: interval between hspa service cell change.The paramter is used to avoid ping-pong HS service cell change. Configuration Rule: the risk of ping pong handover, throughput The value is higher, HSPA serving cell change is slower, which may impact the throughout, on the contrary, the value is smaller, hs serving cell change is faster, which may lead to ping-pong HSPA serving cell change.

The risk of ping pong handover and throughput are taken into account in default value.