Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-01-09
2007-01-09
Milord, Marceau (Department: 2618)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S412200, C455S414100, C455S456100, C455S003060, C455S450000, C370S260000, C370S390000, C370S401000, C370S432000, C709S204000, C709S227000, C709S236000, C714S751000, C714S752000, C714S760000
Reexamination Certificate
active
10439317
ABSTRACT:
A multicast service of a 3GPP Universal Mobile Telecommunications System (UMTS) is disclosed. By allowing an RNC to manage multicast group member information by multicast services on multicast areas, when a user terminal being currently provided with an MBMS service moves, the RNC sends information on the movement of the terminal to a core network. Since the RNC notifies the core network of the terminal's movement selectively on the basis of the multicast group member information by multicast services on the multicast area, the network resource can be effectively used, and especially, unnecessary transmission of terminal's movement information from the RNC to the multicast group managing entity of the core network can be prevented.
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Tabbane, Sami, “Location Management Methods for Third-Generation Mobile Systems,” IEEE Communications Magazine, vol. 35, pp. 72-78, Aug. 1997.
Kim Eun-Jung
Park Jin-Young
Fleshner & Kim LLP
Milord Marceau
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