Radio frequency (RF) mobile telephone communications signals are converted to cable television (CATV) frequencies for transmission over existing CATV infrastructure. In the upstream path (i.e., from one or more mobile telephones to a base station), multiple receivers (called remote converters)...http://www.google.com/patents/US5828946?utm_source=gb-gplus-sharePatent US5828946 - CATV-based wireless communications scheme
