what are the differences between 2.5G BSC and 3G RNC?

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what are the differences between 2.5G BSC and 3G RNC?..

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RNC contrôle les Node B et le BSC contrôle les BTS

RNC est connecté aux autres RNC par l’interface Iur or que les BSC ne sont pas connectées entre elles

le RNC Gère la macro diversité

Un RNC peut jouer 2 rôles: serving ou drift

Les protocoles supportés sont différents. Pour le BSC on a par exemple: LAPD, MTP, SCCP,… alors que pour le RNC on a par exemple NBAP, RRC, RLC-C, RANAP, …

4 interfaces de connections pour le RNC : Iub, Iur, Iucs, Iups contre 2 pour le BSC : Abis et Ater

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