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Difference between PS Handover over Gn and PSHO over S4 ?

in LteWorld Forum

Hi all !

I would like to know what is the difference between PS Handoveri over Gn/Gp and PS HO over S4 interface for the user. I know the architecture difference but I'm interessted about QoSi for User.

I know that S4 is better, but why? A friend said to me that in the S4, packets are not lost, but I don't understand this very well.

I hope having answers, I'm a little bit lost !

And Sorry for my English >.<

Misa.