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Method and apparatus for supporting mobility in dvb-h cbms system

A technology for digital video broadcasting, broadcasting services, applied in the field of supporting mobility and devices in a broadcasting and mobile service integration system for handheld digital video broadcasting

Inactive Publication Date: 2012-09-19
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the case of conventional handover processing, since information for handover is distributed in each table of PSI / SI, the receiver must collect information for handover by referring to each table

Method used

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  • Method and apparatus for supporting mobility in dvb-h cbms system
  • Method and apparatus for supporting mobility in dvb-h cbms system
  • Method and apparatus for supporting mobility in dvb-h cbms system

Examples

Experimental program
Comparison scheme
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no. 1 example

[0061] Figure 7 Two transport streams providing the same service are illustrated.

[0062] like Figure 7 As shown, even if the same service is provided by two different transport streams, the transport streams providing the same service have different service IDs. Therefore, according to the first embodiment of the present invention, the terminal is provided with service mapping information indicating an ID for the same service, so that the terminal can find a desired service even in another transport stream.

[0063] Table 1 is a mapping table indicating service mapping information between different transport streams.

[0064] Table 1

[0065]

[0066] In Table 1, "type" is used to describe services in different transport streams, "same" refers to information used to identify services, "variant" refers to changing information about the same service, and "associated" is Refers to information indicating the associated service. By using this information, it is possible...

no. 2 example

[0082] Figure 10 A case is illustrated where the same service is provided in two different IP platforms belonging to the same transport stream.

[0083] like Figure 10 As shown, when the same service is provided in two different IP platforms belonging to the same transport stream, the same service may have different service IDs according to IP platforms. Therefore, in this case, the network needs to notify the receiver of the connection between the same services. When the terminal moves to another IP platform, the terminal can use this information in order to discover and continuously receive the services previously received by the terminal. Information notified by the network to the terminal in this case is shown in Table 4 below.

[0084] Table 4

[0085]

[0086] Table 5 below shows the structure of a descriptor for transmitting service and IP platform mapping information as described above.

[0087] table 5

[0088]

[0089]

[0090] In this case as well, ...

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Abstract

Disclosed is a DVB-H CBMS system by which a user can continue to view a program being in service even when the transport stream or IP platform changes while the user views the program. In the DVB-H CBMS system, the system transmits service mapping information according to transport streams or IP platforms to the terminal, so that the system can provide a service without interruption to the terminal even when a user of the terminal moves out of a current cell or network into a new cell or network while receiving a service that the user selected.

Description

technical field [0001] The present invention relates to a broadcast and mobile services integration (CBMS) system for mobile Digital Video Broadcast-Handheld (DVB-H), and more particularly to a method for implementing A handover terminal provides a method and device for handover related information. Background technique [0002] DVB-H CBMS is a service that provides more convenient functions through a combination of a mobile communication system and a digital TV broadcast service with excellent mobile reception capability. As digital television replaces analog television in widespread use, television viewers have become able to enjoy high-definition television (HDTV)-level high-quality screens and compact disc (CD)-level high-quality audio indoors. However, the diversity of modern society has changed the behavior and life pattern of TV viewers, and has popularized portable devices such as mobile phones, personal digital assistants (PDAs), notebook computers, and the like. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/26H04H1/00H04H20/26H04H60/91H04W4/06H04W36/18H04W48/12
CPCH04H20/57H04H2201/16H04W48/12H04W4/06H04H60/91H04W36/18H04W36/0007H04W36/00692H04H20/12
Inventor 徐异凌安钟薰宋在涓李国熙
Owner SAMSUNG ELECTRONICS CO LTD
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