Method of determining the validity of service announcements

Details Method of determining the validity of service announcements Method of determining the validity of service announcements

2006-05-30

2006-05-30

Smith, Creighton (Department: 2645)

Telecommunications

Radiotelephone system

Special service

Reexamination Certificate

active

07054619

ABSTRACT:
Disclosed is a method of determining the validity of service announcements in a cellular mobile network, wherein a multimedia broadcast/multicast service (MBMS) is provided, a service area (SA) is defined by the availability of a specific broadcast/multicast service which availability is announced in each cell, and the method comprises: generating a service announcement area identification (SAA id) which is the same for cells with identical service announcements; and checking by a user entity (UE) upon arrival in a new cell which service announcement is valid by receiving the service announcement area identification (SAA id). Also disclosed are a corresponding system and user entity.

REFERENCES:
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patent: 6385308 (2002-05-01), Cohen et al.
patent: 6735431 (2004-05-01), Tsunami et al.
patent: 6798358 (2004-09-01), Joyce et al.
patent: 1 006 740 (2000-06-01), None
patent: WO 99/52304 (1999-10-01), None
patent: WO 00/72609 (2000-11-01), None

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