Patent ID: 7072674
Filing Date: 2006-07-04
Classification: H04W

Abstract:
1. A method for sending a radio paging broadcast to radiotelephone subscriber stations of mobile radiotelephone subscribers of a cellularly constructed mobile radiotelephone network, comprising the steps of: managing locations of the radiotelephone subscriber stations by location areas that consist respectively of at least one radio cell and that are identifiable by a location area identifier; calling radiotelephone subscriber stations in a location area by transmission of a radio paging broadcast; sending, in a transmission of messages respectively sent by a respective radiotelephone subscriber station, a transmitted cell identifier that identifies a current radio cell in which the respective radiotelephone subscriber station is currently located, the transmitted cell identifier being sent in addition to the location area identifier; storing the transmitted cell identifier in a subscriber database of the mobile radiotelephone network; entering the transmitted cell identifier in a list of cell identifiers comprising both the transmitted cell identifier and retained cell identifiers which were formerly transmitted cell identifiers, thereby retaining transmitted cell identifiers; and sending the paging broadcast to at least one cell listed in the list of cell identifiers.