04 handovers

15
For internal use only 1 © Nokia Siemens Networks Presentation / Author / Date LTE Opt HO Optimization topics

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Recap on measurement events Reducing HO drops HO problem due to missing neighbours Reducing HO user plane interruption time A2 triggered redirect to 2G/3G

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For internal use only1 Nokia Siemens Networks Presentation / Author / Date LTE OptHO Optimization topicsFor internal use only2 Nokia Siemens Networks Presentation / Author / Date Source material See LTEPAR or RL1! i"le an" #onne#te" mo"e mo$ility %arameter inormation htt%s&//sharenet'ims(insi"e(nokiasiemensnetworks(#om/)*er*iew/D+21++,!,2 See NetEn- Ena$lin- or inormation on RL2! .SF/ to 0TRAN an" 1ERAN *ia re"ire#t htt%s&//sharenet'ims(insi"e(nokiasiemensnetworks(#om/li*elink/li*elink/o*er*iew/D+22222,!! See NetEn- Ena$lin- or inormation on RL2! intra'LTE inter're3uen#y han"o*er htt%s&//sharenet'ims(insi"e(nokiasiemensnetworks(#om/)*er*iew/D+22222245 See NetEn- Ena$lin- or inormation on RL2! S1 han"o*er htt%s&//sharenet'ims(insi"e(nokiasiemensnetworks(#om/)*er*iew/D+2222224, See NetEn- Ena$lin- or inormation on RL2! ANR htt%s&//sharenet'ims(insi"e(nokiasiemensnetworks(#om/)*er*iew/D+22222,!2Presentation / Author / Date For internal use only6 Nokia Siemens Networks Presentation / Author / Date Optimization topics Re#a% on measurement e*ents Re"u#in- 7) "ro%s 7) %ro$lem "ue to missin- nei-h$ours Re"u#in- 7) user %lane interru%tion time A2 tri--ere" re"ire#t to 21/61Presentation / Author / Date For internal use only+ Nokia Siemens Networks Presentation / Author / Date timeRSRPRSRP Neighbour CellServing Cell RSRPa3TimeToTrigger8easurementRe%orta3offseteNa3Report !nterval8easurementRe%ortHan"overs Event #3 use" for etter Cell HORSRP at ser*in- #ell 9 a3Offset : RSRP at nei-h$or #ellA6 #on"ition metre%ortin- #on"ition metater Time To Tri--erFor internal use only; Nokia Siemens Networks Presentation / Author / Date timethreshold3aRSRPNeighbour Cell RSRPServing Cell RSRPa;TimeToTri--er8easurementRe%orteNa;Re%ort