Browse Prior Art Database

Dynamic Scheduling Broadcasting System

IP.com Disclosure Number: IPCOM000016297D
Original Publication Date: 2002-Nov-30
Included in the Prior Art Database: 2003-Jun-21
Document File: 2 page(s) / 37K

Publishing Venue

IBM

Abstract

Disclosed is a system which broadcasts digital audio/video contents based on the schedule generated automatically by a viewer request.

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Dynamic Scheduling Broadcasting System

   Disclosed is a system which broadcasts digital audio/video contents based on the schedule generated automatically by a viewer request.

A broadcaster and a viewer are connected with some networks. The viewer has a receiver to view digital audio/video contents. The receiver also has a function to communicate with the broadcaster via a network. The broadcaster provides a list of audio/video contents which can be broadcasted for some time in the future. A viewer selects one of the contents and requests broadcasting it via the network. As the broadcaster receives the request, it checks the available broadcasting hours in the way described below. Then it returns the list of them. The list includes already scheduled broadcasting hours and unoccupied hours. The viewer selects the time to view from the list and then the broadcaster schedule the program. The audio/video contents are broadcasted based on this schedule.

A digital broadcasting system has a limited bandwidth and shares the band among several programs by dividing into logical channels. For the efficient bandwidth use, the broadcasting hours of each program is determined as follows.

The total bandwidth of the system and the broadcasting hours are divided into a unit. Each program has the information of required bandwidth and broadcasting hours which are the integral multiple of these units. The unoccupied bandwidth and broadcasting hours are checked in these units. For a viewer's request of br...