Method and system for intersystem soft handoff

Details Method and system for intersystem soft handoff Method and system for intersystem soft handoff

H - Electricity

04

Q

H04Q 7/38 (2006.01) H04L 12/28 (2006.01)

Patent

CA 2355042

Inter-system soft handoff support is described using, as an example, a modified set of ANSI41 signaling techniques in conjunction with a packet data transport mechanism (e.g., TCP/IP or ATM) to carry the user data between systems. An anchor system sets up the soft handoff by indicating, among other things, one or more sets of user plane attributes available to interface the anchor system with a target system(s). Quality of service levels are also indicated and may be negociated between systems.

L'invention se rapporte à un support de transfert logiciel intersystème mettant en oeuvre, par exemple, un ensemble modifié de techniques de signalisation ANSI41, conjointement à un mécanisme de transport de données par paquets (par ex., TCP/IP ou ATM) pour le transfert des données entre systèmes. Un système d'ancrage établit le transfert logiciel en indiquant, entre autres choses, un ou plusieurs ensembles d'attributs du plan utilisateur disponibles pour réaliser l'interface entre le système d'ancrage et un(des) système(s) cible(s). Les niveaux de qualité de service sont également indiqués et peuvent être négociés entre systèmes.

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