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Method and system for announcing a transport stream in a digital broadcast network

A technology of digital broadcasting and broadcasting transmission, which is applied in specific information broadcasting systems, broadcasting information generation, and components of TV systems, etc., and can solve problems such as consuming receiver resources

Inactive Publication Date: 2005-08-03
NOKIA TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This may save broadcast resources, and consume receiver resources

Method used

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  • Method and system for announcing a transport stream in a digital broadcast network
  • Method and system for announcing a transport stream in a digital broadcast network
  • Method and system for announcing a transport stream in a digital broadcast network

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Embodiment Construction

[0035] Preferred embodiments of the present invention provide a method and apparatus for defining a sub-table structure of an SI table, which may be used to split a large service information (SI) table into several smaller tables. Advantageously, in broadcast transmission, partitioning into smaller sub-tables (Sub-T) requires less transmission bandwidth, since not all said SIs have to be broadcast to the end user's terminal (EUT). Furthermore, the sub-table partitioning enables relatively easy generation of local SI tables, since sub-tables can serve as the basis for local transport stream (TS) notifications. By dividing the table into smaller tables, the amount of unnecessary information transferred to the EUT is reduced. The TS of the entire broadcast network can be divided. In addition, adjacent or neighboring TSs (cells) can notify each other and announce their contents, and further notify and announce to the EUT. The sub-table (Sub-T) of the TS is sent to neighboring TS...

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PUM

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Abstract

A method and an arrangement for defining a sub-table structure for SI tables, which may be used to split one big Service information (SI) table into several smaller tables. The splitting into the smaller sub-tables (Sub-Ts) requires less transmitted bandwidth because all the SI do not need to be broadcast to End User Terminal (EUT). Also, the sub-table division enables relatively easy creation of local SI tables because sub-tables can serve as a basis for local Transport Stream (TS) announcement. By dividing tables into smaller ones, the amount of unnecessary information transmitted for the EUT is reduced. The TSs of an entire broadcast network can be divided. Moreover, neighbouring, or adjacent, TSs (cells) can announce and advertise their content to each other, and further to the EUT. A sub-table (Sub-T) of the TS is sent to the adjacent TS. The preferable embodiments enable the EUT for moving in DVB network in a blinded manner being not specially informed about where or under which cell's coverage the EUT is. However, the EUT is able to obtain the information what content (TSs) is locally available because of the sub-table structure.

Description

technical field [0001] The present invention relates to systems and methods for distributing data over communication links. Background technique [0002] Broadcasting has an almost century-long tradition in radio. Even in the case of TV, history goes back to the 30's. Broadcasting is successful throughout the world in delivering advertisements and information to large audiences. [0003] The latest advance in broadcasting is the digitization of radio and TV. Digital radio has gained wide acceptance in the market. However, many hope that digital TV will bring new benefits and services to subscribers, thereby generating new revenue streams for the broadcasting industry. However, the basic concept of the TV business itself has not changed much. Even if the TV goes digital, it still works as before. [0004] In the second half of the 90s, the internet grew rapidly. During a brief period of innovation-intensive publicity, a whole set of new services and content is availabl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/00H04N7/24
CPCH04N21/6112H04H60/73H04N21/2362H04N21/64322H04H60/07H04N21/6408H04N21/6405H04N21/4345H04N21/434
Inventor 马蒂·普普蒂珍妮·瓦瑞
Owner NOKIA TECH OY
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