Patent ID: 6400942
Filing Date: 2002-06-04
Classification: H04W

Abstract:
A method for broadcasting short messages to selected groups of mobile subscribers within a cellular radio system comprising:organizing the message to be broadcast into a broadcast protocol having a recipient group address, message identification indicia and message contents; separating said message to be broadcast into a plurality of separate segments; sending said message from a message center to a mobile switching center (MSC) of the system associated with a geographic part of the BC-SMS message broadcast group address; broadcasting, separately, each segment of said organized message along with ordinary PBC messages on a shared broadcast resource of the cellular system, said shared broadcast resource comprising the paging channel of selected radio base stations within the cellular system in the geographic area within which members of the selected groups of mobile stations are believed to be present; and receiving and recognizing said organized broadcast message at the selected groups of subscriber stations within a portion of the cellular system.