The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 30, 2006
Filed:
Nov. 29, 2002
Kimmo Kettunen, Espoo, FI;
Timo Alakoski, Helsinki, FI;
Kimmo Kettunen, Espoo, FI;
Timo Alakoski, Helsinki, FI;
Nokia Corporation, Espoo, FI;
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.