KR101165636B1

KR101165636B1 - Method for Providing Individual Internet Protocol Service and System and Broadcasting Terminal thereof

Info

Publication number: KR101165636B1
Application number: KR1020060000852A
Authority: KR
Inventors: 권태정
Original assignee: 엘지전자 주식회사
Priority date: 2006-01-04
Filing date: 2006-01-04
Publication date: 2012-07-17
Also published as: KR20070073205A

Abstract

The present invention includes the steps of generating broadcast data including at least one Internet Protocol (IP) packet for downloading contents; The present invention relates to a method for providing an individual IP service and a system for providing the same, and a terminal for broadcasting the same. The IP service implemented in a conventional mobile communication network is provided by providing an individual IP service through a broadcasting network. Compared to this, it is effective to provide content-related IP service at much lower communication rates.

IP related service, Digital Video Broadcasting-Handheld (DVB-H), download service

Description

Method for providing individual IP service, system for same and broadcasting terminal for same {Method for Providing Individual Internet Protocol Service and System and Broadcasting Terminal}

1 is a format showing an application data table of DVB-H.

Figure 2 is a configuration diagram showing an embodiment of the individual IP service providing system according to the present invention.

3 is a diagram illustrating a signal processing method of an individual IP service providing method between a broadcasting center and a broadcasting terminal according to the present invention.

4 is a block diagram of an embodiment of a broadcasting terminal according to the present invention.

The present invention relates to a broadcast service, and more particularly, to a method for providing an individual IP service for providing an individual IP (Internet Protocol (IP)) service using broadcast data, a system therefor, and a broadcast terminal therefor.

Digital Video Broadcasting-Handheld (DVB-H) service is a mobile multimedia broadcasting service that provides high quality voice and video services anytime and anywhere, even when the user is driving or walking.

DVB-H is an IP-based service that transmits broadcasts through IP packets, but IP packets are not classified for each individual. Instead, IP addresses are assigned to each service to provide the IP address. It is not related to providing a service.

The table describing information related to the IP address in the DVB-H service is INT, and the information related to the INT is shown in Table 1 below.

Table 1 is a table describing information related to the IP address of DVB-H.

Descriptor Tag Value Allowed in Loop Platform Target Operational reserved 0 × 00 target_smartcard_descriptor 0 × 06 * target_MAC_address_descriptor 0 × 07 * target_serial_number_descriptor 0 × 08 * target_IP_address_descriptor 0 × 09 * target_IPv6_address_descriptor 0 × 0A * IP / MAC_platform_name_descriptor 0 × 0C * IP / MAC_platform_provider_name_descriptor 0 × 0D * target_MAC_address_range_descriptor 0 × 0E * target_IP_slash_descriptor 0 × 0F * target_IP_source_slash_descriptor 0 × 10 * target_IPv6_slash_descriptor 0 × 11 * target_IPv6_source_slash_descriptor 0 × 12 * IP / MAC_stream_location_descriptor 0 × 13 * * ISP_access_mode_descriptor 0 × 14 * * telephone_descriptor 0 × 57 * * private_data_specifier_dscriptor 0 × 5F * * * user private 0 × 80
to
0 × FE reserved 0 × FF

In Table 1, the structure of “target_IP_address” is shown in Table 2 below, and the structure of “IP / MAC_stream_location_descriptor” indicating a location of a stream having a corresponding IP address is shown in Table 3 below.

Table 2 shows a structure of target_IP_address.

Name Number of bits Identifier Remarks target_IP_address_descriptor () { descriptor_tag 8 uimsbf 0 × 09 descriptor_length 8 uimsbf IPv4_addr_mask 32 uimsbf for (i = 0; i <N; i ++) { IPv4_addr 32 uimsbf } }

Table 3 shows the structure of the IP / MAC_stream_location_descriptor.

Name Number of bits Identifier Remarks IP / MAC_stream_location_descriptor () { descriptor_tag 8 uimsbf 0 × 13 descriptor_length 8 uimsbf network_id 16 uimsbf original_network_id 16 uimsbf transport_stream_id 16 uimsbf service_id 16 uimsbf component_tag 8 uimsbf }

Referring to Table 3, an IP address and the IP related service are defined as a pair, including "network_id", "transport_stream_id, and" service_id ".

That is, one service is defined for one IP address, and each IP packet is processed as shown in FIG. 1 below. This provides services to an unspecified majority by specifying IP packets for each service, rather than delivering IP packets for each individual.

1 is a format showing an application data table of DVB-H.

As described above, the conventional IP related services of DVB-H do not provide individual IP services of the user.

An object of the present invention, the broadcast center attaches at least one or more IP packets for downloading a predetermined content to the broadcast data transmitted to the broadcast terminal, the broadcast terminal provides a personal IP service for downloading the content through the IP packets and It is an object of the present invention to provide a system and a broadcast terminal for the same.

According to an aspect of the present invention, there is provided a method for providing an individual IP service of a broadcasting center, the method comprising: generating broadcast data including at least one IP packet for content download; And transmitting the generated broadcast data.

In addition, the individual IP service providing method of the broadcasting terminal according to the present invention comprises the steps of: receiving broadcast data; Determining whether at least one Internet Protocol (IP) packet for downloading a predetermined content is included in the received broadcast data; Decoding and displaying the IP packets according to the determination result; If a specific IP address is selected among the IP packets, the method may include downloading content by receiving an IP packet having the selected IP address.

In addition, the individual IP service providing system according to the present invention includes a broadcast center for generating and transmitting broadcast data including at least one Internet Protocol (IP) packet for content download; Receives broadcast data from the broadcasting center, and if the received broadcast data includes IP packets, decodes and displays the IP packets, and if a specific IP address is selected among the IP packets, has the selected IP address. It includes a broadcast terminal for downloading the content through the reception of the packet.

In addition, the broadcast terminal according to the present invention includes a broadcast receiving unit for receiving broadcast data; When the received broadcast data includes at least one Internet Protocol (IP) packet for downloading a predetermined content, the IP packets are decoded, and when a specific IP address is selected among the IP address information, A control unit for downloading contents by receiving a packet having a selected IP address; And a display unit for displaying the decoded IP packet.

The above-mentioned objects, features and advantages will become more apparent from the following detailed description in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The individual IP service providing method according to the present invention can be applied to various digital broadcasting standards. Examples of digital broadcast standards include European Digital Audio Broadcasting (DAB) and Digital Video Broadcasting-Handheld (DVB-H) based on Eureka-147 [ETSI EN 300 401]. '), MediaFLO, which is led by Qualcomm in the US, and Digital Multimedia Broadcasting (DMB) in Korea. Detailed description of each digital broadcasting standard will be omitted.

Hereinafter, a method for providing an individual IP service according to the present invention will be described based on the DVB-H broadcasting. Of course, the present invention is not necessarily limited to DVB-H.

In addition, the DVB-H system referred to herein has been described with reference to the standard according to ETSI TR 102 377, which is a European standard for convenience, but is not limited thereto.

2, the broadcast center 210 generates DVB-H broadcast data including at least one IP packet for downloading a predetermined content.

Preferably, the broadcast center 210 attaches identification information for identifying whether the IP packets are included in the protocol field shown in Table 4 below of the DVB-H broadcast data IP datagram header. This in turn means the existence of new protocols for dealing with them.

In the protocol field of the broadcast data IP datagram header unit, a protocol capable of decoding the IP packets is defined and attached as identification information, and the IP packets are attached to the body part of the DVB-H broadcast data IP datagram. DVB-H broadcast data including at least one IP packet is generated.

Table 4 shows an example of a header structure of an IP datagram.

version (4bits) header length
(4bits) type of service
(8bits) total length
(16bits) identification (16bits) flags (3bits) fragment offset (13bits) time to live
(8bits) protocol
(8bits) header checksum
(16bits) source IP address (32bits) destination IP sddress (32bits) option (if any)

The version field is a field for indicating a version number of the IP datagram.

The header length field is a field for indicating the size of the IP datagram header itself.

The type of service field is a field for indicating a quality of service of an IP datagram being transmitted.

The total length field is a field for indicating the octet length of the entire packet including the header of the IP datagram and the body of the IP datagram.

The identification field is identification information of a sharer and is used as reference information when delivering the IP datagram to a higher layer. The upper layer may reconstruct the divided data using the reference information.

The flags field is a field for inputting control bits related to packet division.

The flagment offset field is a field for indicating the position of the divided flagment in the original data.

The time to live field is a field for indicating network existence time of a packet.

The protocol field indicates what the upper layer protocol is.

Preferably, identification information for identifying the presence or absence of IP address information according to the present invention is attached to the protocol field.

The header checksum field is a field for indicating the checksum value of the IP datagram header.

The source IP address field is a field for indicating the IP address of the broadcasting center on the transmission side.

The destination IP address field represents an IP address of the broadcast terminal on the receiving side.

The option field has a flexible length and is used for system debugging.

The broadcast center 210 transmits the generated DVB-H broadcast data to the broadcast terminal 220.

The broadcast terminal 220 determines whether protocol identification information for decoding the IP packets is attached to the protocol field of the DVB-H broadcast data IP datagram header received from the broadcast center 210.

If the identification information is attached, the broadcast terminal 220 decodes and displays the IP packets attached to the body of the DVB-H broadcast data IP datagram.

When the specific IP address information is selected by the user among the displayed IP packets, the broadcast terminal 220 receives the packet having the selected IP address and downloads the content.

Referring to FIG. 3, the broadcast center 210 generates DVB-H broadcast data including at least one IP address information for downloading predetermined content (S301).

Preferably, the broadcasting center 210 attaches identification information for identifying whether a decoding processing protocol of the IP packets is included in the protocol field shown in Table 4 of the DVB-H broadcast data IP datagram header, and DVB-H Broadcast Data The DVB-H broadcast data including at least one IP packet is generated by attaching the IP packets to the body part of the IP datagram.

The broadcast center 210 transmits the generated DVB-H broadcast data to the broadcast terminal 220 (S302).

The broadcast terminal 220 determines whether identification information for identifying whether a decoding processing protocol is included in the IP packets is attached to a protocol field of the DVB-H broadcast data IP datagram header received from the broadcast center 210. (S303).

If the identification information is attached (S304), the broadcast terminal 220 decodes the IP packets attached to the body portion of the DVB-H broadcast data IP datagram (S305), and decodes the data of the decoded IP packets. It displays (S306).

When the specific IP address information is selected by the user among the displayed IP packets (S307), the broadcasting terminal 220 downloads the content through the reception of an IP packet having the selected IP address (S308).

Hereinafter, a detailed operation process of the broadcast terminal will be described in detail.

Referring to FIG. 4, the broadcast receiver 410 receives DVB-H broadcast data.

The key input unit 420 has a plurality of numeric keys and function keys as a user interface, and outputs key signals for the keys to the controller 450.

The memory 430 stores a predetermined program for controlling the overall operation of the broadcasting terminal and various data input and output when the control operation of the broadcasting terminal is performed.

The display unit 440 receives and displays display data corresponding to a key signal from the key input unit 420 under the control of the control unit 450, and displays an operation state of the broadcasting terminal and a plurality of pieces of information in the form of icons and text. To be displayed.

The control unit 450 controls the overall operation of the broadcast terminal, and will be described below in detail the process of providing a personal IP service according to an embodiment of the present invention.

The controller 450 determines whether identification information for identifying whether a decoding processing protocol is included in the IP packets is attached to a protocol field of the DVB-H broadcast data IP datagram header received through the broadcast receiver 410.

If the identification information is attached, the controller 450 decodes the IP packets attached to the body of the DVB-H broadcast data IP datagram, stores the decoded IP packets in the memory 430, and decodes the decoded IP packets. Among the received IP packets, an IP packet selected by the user is received and displayed on the display unit 440.

If specific IP address information is selected from among the IP address information through the key input unit 420, the controller 450 downloads content through the selected IP address.

According to the present invention, a method for providing an individual IP service and a system therefor and a broadcasting terminal for the same provide content-related IP services at a much lower communication rate than IP services implemented in a conventional mobile communication network by providing an individual IP service through a broadcasting network. Has the effect of providing.

Claims

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Receiving broadcast data;

Determining whether one or more IP packets for downloading contents are included in the received broadcast data;

Decoding and displaying the at least one IP packet if the at least one IP packet is included in the broadcast data as a result of the determination; And

If a specific IP address is selected from the one or more displayed IP packets, downloading the corresponding content by receiving the packet having the selected IP address.

5. The method of claim 4,

The broadcasting data is a digital video broadcasting-handheld (DVB-H), characterized in that the individual IP service providing method.

5. The method of claim 4,

In the determining step, it is determined whether identification information for identifying whether the decoding processing protocol of the one or more IP packets is included in a protocol field of the IP datagram header of the broadcast data is attached.

5. The method of claim 4,

And the displaying step decodes and displays the one or more IP packets attached to a body part of the IP datagram of the broadcast data.

A broadcast center for generating and transmitting broadcast data including one or more Internet Protocol (IP) packets for downloading contents; And

Receiving broadcast data from the broadcasting center, and if the received broadcast data includes the one or more IP packets, decode and display the one or more IP packets, and if a specific IP address is selected from the one or more IP packets, And a broadcast terminal for downloading the corresponding content by receiving the packet having the selected IP address.

A broadcast receiver for receiving broadcast data;

If the received broadcast data includes one or more Internet Protocol (IP) packets for downloading contents, the one or more IP packets are decoded, and a specific IP address is selected from the one or more decoded IP packets. And a controller for downloading the corresponding content by receiving a packet having the selected IP address. And

And a display unit for displaying the decoded one or more IP packets.

10. The method of claim 9,

The broadcast data is a mobile terminal for broadcasting, characterized in that the digital video broadcast-handheld (DVB-H).

10. The method of claim 9,

And the control unit determines whether identification information for identifying whether a decoding processing protocol is included in the at least one IP packet is attached to a protocol field of the IP datagram header unit of the broadcast data.

10. The method of claim 9,

And the control unit decodes the at least one IP packet attached to a body part of the IP datagram of the broadcast data.