In a cable television system, a specific carrier is assigned to deliver programming content of a program channel to a service area for a period, defined as a function of viewership of the program channel during that period. For example, the program channel is assigned the specific carrier during the...http://www.google.ca/patents/US20030217365?utm_source=gb-gplus-sharePatent US20030217365 - Technique for providing programming content through a communications network having limited bandwidth
