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Event A5 (Serving becomes worse than threshold1 and neighbour becomes better than threshold2) The UE shall: 1> consider the entering cond...

LTE RRC Event A5

Event A5 (Serving becomes worse than threshold1 and neighbour becomes better than threshold2)

The UE shall:
1> consider the entering condition for this event to be satisfied when both conditions A5-1 and condition A5-2, as
specified below, are fulfilled;
1> consider the leaving condition for this event to be satisfied when condition A5-3 or condition A5-4, i.e. at least
one of the two, as specified below, is fulfilled;

Inequality A5-1 (Entering condition 1)
Ms + Hys < Thresh1

Inequality A5-2 (Entering condition 2)
Mn + Ofn+ Ocn - Hys > Thresh2

Inequality A5-3 (Leaving condition 1)
Ms - Hys >Thresh1

Inequality A5-4 (Leaving condition 2)
Mn+Ofn+Ocn+Hys < Thresh2

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

Ocn is the cell specific offset of the neighbour cell (i.e. cellIndividualOffset as defined within measObjectEUTRA
corresponding to the frequency of the neighbour cell), and set to zero if not configured for the neighbour cell.
Hys is the hysteresis parameter for this event (i.e. hysteresis as defined within reportConfigEUTRA for this event).
Thresh1 is the threshold parameter for this event (i.e. a5-Threshold1 as defined within reportConfigEUTRA for this event).

Thresh2 is the threshold parameter for this event (i.e. a5-Threshold2 as defined within reportConfigEUTRA for this event).

Mn, Ms are expressed in dBm in case of RSRP, or in dB in case of RSRQ.
Ofn, Ocn, Hys are expressed in dB.
Thresh1 is expressed in the same unit as Ms.
Thresh2 is expressed in the same unit as Mn.

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