A wireless communications network (100) includes various base stations (110) and subscriber-stations (114). The base stations each provide (602) broadcast content services to subscriber-stations over communication channels of one of the following types: 1) shared channels for use by multiple subscriber-stations,...http://www.google.de/patents/US7283782?utm_source=gb-gplus-sharePatent US7283782 - Method and apparatus for switching between shared and individual channels to provide broadcast content services in a wireless telephone network
