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Apparatus and method for transmitting notification message via the interactive channel in digital video broadcasting system

A technology of digital video broadcasting and notification messages, which is applied to handheld digital video broadcasting, broadcasting devices, broadcasting-related systems, etc., and can solve problems such as low efficiency and inability of terminals to receive notification messages

Inactive Publication Date: 2011-01-12
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, in the case where the terminal of the service purchaser is not connected to the broadcast service when the notification message is transmitted via the broadcast channel, the terminal cannot receive the notification message
Therefore, in order to receive every unexpected notification message, the terminal should always stay connected to the broadcast service, although this is inefficient

Method used

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  • Apparatus and method for transmitting notification message via the interactive channel in digital video broadcasting system
  • Apparatus and method for transmitting notification message via the interactive channel in digital video broadcasting system
  • Apparatus and method for transmitting notification message via the interactive channel in digital video broadcasting system

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Experimental program
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Embodiment 2

[0081] Table 6 shows another exemplary embodiment of the present invention adding AP information to an ESG bootstrap session.

[0082] In the first and second exemplary embodiments of the present invention, information is defined in the same manner. More specifically, PDNIAEntry() and EDNIAEntry[i]() are defined in DefaultNotificationAccessDescriptor in the first exemplary embodiment of the present invention, and DefaultNotificationIAAccessDescriptor is defined in the second exemplary embodiment of the present invention.

[0083] Table 6

[0084] grammar

number of bits

mnemonics

DefaultNotificationIAAccessDescriptor{

PDNFlag

1

uimsbf

Reserved

7

uimsbf

[0085] n_o_IAEDNEntries

8

uimsbf

If(PDNFlag){

PDNIAEntry()

}

For(i=0; i

EDNIAEntry[i]()

}

}

[0086] >

...

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Abstract

An apparatus and method for transmitting / receiving a notification message in a Digital Video Broadcasting (DVB) system are provided, in which a terminal detects an Access Point (AP) from an Electronic Service Guide (ESG) bootstrapping session, queries the AP to request a notification message list or all or part of a notification message over a communication channel, and receives the notification message list or all or part of the notification message from the AP.

Description

technical field [0001] The present invention relates to an apparatus and method for transmitting / receiving notification messages in a Digital Video Broadcasting (DVB) system. More particularly, the present invention relates to an apparatus and method for transmitting / receiving a notification message via a communication channel in a DVB system. Background technique [0002] Digital Video Broadcasting (DVB) is a European digital broadcasting technology and supports a transmission standard for providing digital multimedia services as well as legacy digital broadcasting services through mobile or portable devices. [0003] The DVB system can multiplex broadcast data based on Moving Picture Experts Group-2 (MPEG2) Transport Stream (TS) and simultaneously transmit an Internet Protocol (IP) based data stream. The DVB system can also send multiplexed data from multiple services in one IP stream. Accordingly, a terminal supporting the DVB system receives an IP stream, demultiplexes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/08H04N7/015H04W68/02
CPCH04H2201/16H04H20/59H04H60/72H04H60/91H04N21/235H04N21/43
Inventor 宋在涓拉姆·苏布拉马尼亚姆李国熙
Owner SAMSUNG ELECTRONICS CO LTD
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