8/11/15 1 Nokia 2014 - File Name - Version - Creator - DocIDConfdentialExample of U900 Layering StrategiesConnected mode U2100 U900 handovers Allow coverage (and quality for backup reason !"#$ %&'& used for load balancingU900 U2100 handovers Allow coverage (and quality for backup reason !"#$ %&'& used for load balancingU900(U2100 )*% handovers +overage and quality reason !*#$ allowed for both layers- U900 only fro, coverage boundary to )*%- )*% as safety layer for U-s without U900 support .estrict handovers with high enough )*% level threshold and !*#$ cancellation feature/ 0o 0.1 !*#$s)*% U900(U2100 handovers 0o !*#$s2 all transitions in !dle ,odeU2100U900)900'oad balancing+overage (3uality reason+overage (3ualityreason+overage(3uality reason$nly at U900 border