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LTE: Use of event B2, while handling measurement reporting ?

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LTE: Use of event B2, while handling measurement reporting ?
posted Apr 6, 2014 by Neeraj Mishra

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1 Answer

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I answered your query related to Event B1. Event B2 (i.e. PCell becomes worse than absolute threshold1 and inter RAT neighbor cell becomes better than absolute threshold2).

eventB2 SEQUENCE {
b2-Threshold1 ThresholdEUTRA,
b2-Threshold2 CHOICE {
b2-Threshold2UTRA ThresholdUTRA,
b2-Threshold2GERAN ThresholdGERAN,
b2-Threshold2CDMA2000 ThresholdCDMA2000
}
},

Please find the list of inequality conditions which need to satisfied to get triggered Event B2.

Inequality B2-1 (Entering condition 1)
Mp + Hys < Thresh1

Inequality B2-2 (Entering condition 2)
Mn + Ofn - Hys > Thresh2

Inequality B2-3 (Leaving condition 1)
Mp - Hys > Thresh1

Inequality B2-4 (Leaving condition 2)
Mn + Ofn + Hys < Thresh2

Mp: Measurement of primary cell.
Mn: Measurement of neighbor cell.
Ofn: Frequency specific offset of the frequency of the inter-RAT neighbor cell.
Hys: Hysteresis parameter for this event.

Please let me know if you still have any doubt.

answer Apr 8, 2014 by Vimal Kumar Mishra
For Example UE is in VoLTE call, and i deactivate B2 Event then IRAT handover will not Happen and my Call continuity will increase. So, with deactivation B2 event is their any Saver of UE battery.
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