A wireless communication network limits the service areas within the network by transmitting time registration flag information in each of a plurality of network service areas. The flag information indicates whether registration for a given broadcast service currently is required for mobile stations...http://www.google.fr/patents/US7379738?utm_source=gb-gplus-shareBrevet US7379738 - Information service broadcast control in a wireless communication network
Information service broadcast control in a wireless communication network
