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Event B1 (Inter RAT neighbour becomes better than threshold) The UE shall: 1> for UTRA and CDMA2000, only trigger the event for cells inc...

LTE Event B1

Event B1 (Inter RAT neighbour becomes better than threshold)

The UE shall:
1> for UTRA and CDMA2000, only trigger the event for cells included in the corresponding measurement object;
1> consider the entering condition for this event to be satisfied when condition B1-1, as specified below, is fulfilled;
1> consider the leaving condition for this event to be satisfied when condition B1-2, as specified below, is fulfilled;

Inequality B1-1 (Entering condition)
Mn + Ofn - Hys > Thresh

Inequality B1-2 (Leaving condition)
Mn + Ofn + Hys < Thresh

The variables in the formula are defined as follows:
Mn is the measurement result of the inter-RAT neighbour cell, not taking into account any offsets.
Ofn is the frequency specific offset of the frequency of the inter-RAT neighbour cell (i.e. offsetFreq as defined
within the measObject corresponding to the frequency of the neighbour inter-RAT cell).

Hys is the hysteresis parameter for this event (i.e. hysteresis as defined within reportConfigInterRAT for this event).

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