ANORDNUNG UND VERFAHREN ZUM TEILNEHMEN AN EINEM ZELLEN-RUNDSENDEDIENST

摘要

Arrangement and method for subscription to a cell broadcast service in a cellular radio communication system including a fixed network (2) with base stations, arranged to communicate with mobile stations (4) within cells. Said base stations are also arranged to transmit data on a broadcast carrier within a cell, for all mobile stations in said cell to receive. An encoding device (1) is adapted to encoding in the fixed network of subscriber specific data by a symmetric key to a code (CW), and a data transmission device is adapted to transmission of the encoded subscriber specific data from the fixed network on a data channel on a cell broadcast carrier. Decoding device (3), adapted to decoding of said encoded subscriber specific data by said symmetric key to a code in a mobile station (4) belonging to a subscriber to a broadcast service.