KR101418028B1 - Iptv seeing behavior gathering, and individual containment service offer system and iptv subscriber terminal using thereof of - Google Patents

Abstract

The present invention relates to a personalized information providing system and an IPTV subscriber terminal included in an IPTV head-end system for collecting and processing a viewing behavior according to a viewer's broadcast viewing to provide contents to viewers, An EPG information storage unit for storing program information and supplementary service information supplied from a provider; Receiving and storing the IGMP JOIN message and the viewing behavior message information processed by the IGMP LEAVE message according to the viewer's channel / broadcasting program selection, change, and interruption from the IPTV subscriber terminal, A collection storage unit for acquiring viewing behavior classification information by referring to the information storage unit and further storing the same; A condition setting unit for filtering or counting the number of viewers or viewers watching each channel / program, and setting at least one of conditions included in the viewing behavior classification information or the viewing behavior message information; Analyzing contents of the viewing behavior classification information or the viewing behavior message information stored in the collection storage unit according to the condition set by the condition setting unit and extracting the processed personalized service information; And an audience information providing unit for transmitting the personalized service information to the network and the IPTV subscriber terminal in the form of a personal EPG or a pop-up message and providing the personalized service information to a viewer.

Accordingly, the present invention has an effect of providing viewers with a personalized information service capable of examining the audience rating according to the viewing behavior in the head-end system using the message information of the IGMP JOIN / LEAVE received from the IPTV subscriber terminal.

IPTV, audience rating, viewing behavior, head-end system

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an IPTV subscriber terminal and a system for providing a personalized service through the IPTV viewing behavior collection and an IPTV subscriber terminal,

1 is a view for explaining a personalized service providing system according to an embodiment of the present invention;

2 is a view for explaining an IPTV head end system and a network according to an embodiment of the present invention;

3 is a view for explaining an IPTV subscriber terminal for providing personalized service information to viewers according to an embodiment of the present invention;

4A and 4B illustrate a method of transmitting personalized service information in a personalized service providing system according to an embodiment of the present invention.

5 is a diagram illustrating a method of receiving personalized service information according to an exemplary embodiment of the present invention at an IPTV subscriber terminal including a set-top box and providing the personalized service information to a viewer.

DESCRIPTION OF REFERENCE NUMERALS

100: Headend system 110: Personalized service providing system

111: collection storage unit 112: condition setting unit

113: audience information analyzing unit 114: audience information providing service

115: EPG information storage unit 116: Subscriber DB

The present invention relates to a content service of IPTV, and more particularly, to a personalized information providing system and an IPTV subscriber included in an IPTV head-end system for collecting and processing a viewing behavior according to a viewer's broadcast viewing, Terminal.

Typically, IPTV (IPTV: Internet Protocol Television ) is a program provider (PP: Program Provider), terrestrial, cable, IP set-top box through the various broadcast channels headend system and the network receives the signal provided from the satellite (STB ) To provide broadcast information and additional information to the viewer through the TV screen connected to the IP set-top box.

Accordingly, the viewer can view various channels / programs, select and stop the TV by the operation of the remote controller, or change the channel / program being watched to another channel / program. At this time, if the channel / program being viewed by the viewer is changed to another channel / program, the IP set-top box generates an IGMP JOIN / LEAVE message in response to the change.

The Internet Group Management Protocol (IGMP) JOIN / LEAVE message generated in the IP set top box is transmitted to a subscriber switch (e.g., a switching hub) connected to a plurality of viewer set top boxes as a multicasting address of the corresponding channel. Accordingly, the IGMP JOIN / LEAVE message transmitted from the IPTV subscriber terminal can be used to investigate the audience rating of a channel / program viewed by a plurality of viewers. An example of examining the audience rating using the Internet Group Management Protocol is disclosed in Application Laid-Open No. 10-2006-0099765, which discloses a method of receiving a multicast group join / drop message from a subscriber switch (switching hub) A viewing information classification module for classifying the received subscription / withdrawal message into basic information of a predetermined item, and storing the classified basic information in the classification information DB, and a filtering information item for filtering the audience rating in various forms An audience rating analyzing module for receiving the EPG information and classification information stored in the EPG information DB and classification information DB, respectively, with reference to the conditions set by the condition setting module, and analyzing the audience rating; Storing the classified information according to the request in the classification information DB, And passing the condition to the audience rating analyzing module, and a control module that provides to extract the EPG information stored in each of the classification information in the EPG information DB and DB at the request of the audience classification information analysis module.

In the above-described application, instead of installing a separate program for examining the rating on the IP set-top box, a subscriber switch (switching hub) processes an IGMP JOIN / LEAVE message received from a plurality of IP set- A separate program must be installed in the switch device. However, it is difficult to reflect the requirements of the subscriber switch due to the manufacturing and operation characteristics of the subscriber switch, and it has limitations that can only be used to identify the channel / program preferred by viewers.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide an IP set-top box for collecting and analyzing IGMP JOIN messages and IGMP LEAVE messages generated by a viewer's channel / Analyzing and managing the viewing behavior at the center, and transmitting the viewing behavior message to the central server, thereby providing a personalized service according to the viewing behavior to viewers subscribed to the personalized service information.

In order to achieve the above object, a personal information service providing system according to an exemplary embodiment of the present invention analyzes a viewing behavior according to a viewer's broadcasting viewing from an IPTV subscriber terminal and provides processed personalized service information according to viewing behavior to a viewer A personalized service providing system comprising: an EPG information storage unit for storing program information and supplementary service information supplied from a terrestrial / program provider and a contents provider; Receiving and storing the IGMP JOIN message and the viewing behavior message information processed by the IGMP LEAVE message according to the viewer's channel / broadcasting program selection, change, and interruption from the IPTV subscriber terminal, A collection storage unit for acquiring viewing behavior classification information by referring to the information storage unit and further storing the same; A condition setting unit for filtering or counting the number of viewers or viewers watching each channel / program, and setting at least one of conditions included in the viewing behavior classification information or the viewing behavior message information; Analyzing contents of the viewing behavior classification information or the viewing behavior message information stored in the collection storage unit according to the condition set by the condition setting unit and extracting the processed personalized service information; And an audience information providing unit for transmitting the personalized service information to the network and the IPTV subscriber terminal in the form of a personal EPG or a pop-up message and providing the personalized service information to a viewer.

The viewing behavior classification information includes a channel name, a program name, a program genre, and performer information.

In addition, the viewing behavior message information includes a type code and a viewer identification information (ID) for identifying a channel group address and time information of the channel / program, an IGMP JOIN or an IGMP LEAVE message.

The viewer identification information may be unique information of a set-top box installed for each subscriber, or may be the unique information of a home, which is identified after the viewer logs in the set-top box by remote control operation and authenticated by the set-top box, . ≪ / RTI >

In addition, the personalized service information may be a viewing history statistics service for providing a viewer with a list of channels / programs viewed by the viewer, or a channel ranking service indicating a viewing rate of a channel / program being broadcasted in descending order.

In addition, the audience information analyzing unit can further refer to the subscriber DB stored only for the personalized service subscribers.

In addition, the condition setting unit may further set the one-day viewing time to a predetermined time condition for a specific viewer who is limited in the channel / program viewing time among the viewer information (ID) of the subscriber DB stored only for the personalized service , The viewing information analyzing unit analyzes the contents of the classification information or the viewing behavior message information stored in the collection storage unit according to the condition of the condition setting unit, Service information can be extracted.

In addition, the personalized EPG format can be expressed by a user interface (UI) that a viewer can confirm by transmitting a personalized service information to a subscriber terminal by a unicasting method when a viewer requests the personalized service information.

In addition, the pop-up message type can periodically push the personalized service information and send it to the subscriber terminal in a unicasting manner so that the viewer can check the pop-up message.

In addition, the IPTV subscriber terminal for collecting IPTV viewing behavior according to another embodiment of the present invention and a personalized service through the IPTV subscriber terminal may transmit the viewing behavior according to the viewer's broadcasting viewing to the head end system, An IGMP JOIN message generated by a viewer's selection of a channel / a broadcast program by a remote control operation of a viewer, and an IGMP JOIN message generated by a viewer's channel / broadcast program interruption Analyzing an IGMP LEAVE message, processing the received IGMP LEAVE message into viewing and listening message information, packetizing the received IGMP LEAVE message, and transmitting it to the personalized service providing system of the headend system through a network in a unicast manner; Acquires viewing behavior classification information by referring to EPG information including program information and supplementary service information based on the viewing behavior message information, and acquires viewing behavior classification information based on one or more of the information included in the viewing behavior classification information or message information, A customized information storage unit for analyzing contents of the information or message information and transmitting the personalized service information processed and received from the personalized service providing system in the form of a personal EPG or a pop-up message; And a personalized information providing unit for providing a viewer with a personal EPG or a pop-up message stored in the personalized information storage unit as a display screen.

According to another embodiment of the present invention, there is provided a method of transmitting personalized service information in a personalized service providing system, comprising: analyzing a viewing behavior according to a viewer's broadcast viewing in a personalized service providing system, A method for transmitting information, the method comprising: (a) receiving, from an IPTV subscriber terminal, viewing behavior message information processed by an IGMP JOIN message and an IGMP LEAVE message generated according to a viewer's channel / program selection, change, Storing; (b) acquiring and storing viewing behavior classification information by referring to the EPG information storage unit based on the group address information and the time information; (c) filtering or counting the number of viewers or viewers who are watching each channel / program and setting the condition setting unit as one or more of the information included in the viewing behavior classification information or message information; (d) analyzing contents of the viewing behavior classification information or message information stored in the collection storage unit according to conditions set by the condition setting unit, and extracting the processed personalized service information; And (e) the audience information providing unit converts the personalized service information into a compatible format of the headend system, and transmits the personalized service information to the network and the IPTV subscriber terminal in the form of a personal EPG or a pop-up message.

According to another aspect of the present invention, there is provided a method of providing personalized service information in an IPTV subscriber terminal, comprising: transmitting a viewing behavior according to a viewer's broadcast viewing to a head end system; A method of receiving personalized service information at an IPTV subscriber terminal and providing the personalized service information to a viewer, the method comprising the steps of: (a) receiving an IGMP JOIN message generated by a viewer's channel / Collecting and analyzing the IGMP LEAVE message generated by the interruption of the broadcasting program, packetizing the processed viewing / listening behavior message information, and transmitting it to the head end system through the network in a unicast manner; (b) The personalized information storage unit obtains the viewing behavior classification information by referring to the EPG information including the program information and the supplementary service information based on the viewing behavior message information, and acquires the viewing behavior classification information using one or more of the information included in the viewing behavior classification information or the message information Analyzing contents of the viewing behavior classification information or message information in a condition that the processed personalized service information is transmitted and received from the head end system in the form of a personal EPG or a pop-up message; And (c) the personalized information providing unit providing the personal EPG or the pop-up message to the viewer as a display screen.

In addition, the IPTV viewing behavior collecting method and the personalized service information providing method according to another embodiment of the present invention include (a) an IGMP JOIN message generated by a viewer's channel / Packetizing processed viewing behavior message information by an IGMP LEAVE message generated by a viewer's channel / broadcast program interruption; (b) storing the EPG information storage unit including program information and supplementary service information; (c) receiving and storing viewing behavior message information by the IGMP JOIN message and the IGMP LEAVE message; (d) acquiring and storing viewing behavior classification information including a channel name, a program name, a program genre, and performer information by referring to the EPG information storage unit; (e) filtering or counting the number of viewers or viewers who are watching each channel / program and setting the condition and / or condition as one or more of the information included in the viewing behavior classification information or message information; (f) analyzing contents of the viewing behavior classification information or message information stored in the collection storage unit according to the condition set by the condition setting unit, and extracting the processed personalized service information; And (g) the viewing information providing unit stores the personalized service information and provides the personalized service information to the viewer in the form of a personal EPG or a pop-up message.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description and the related drawings, the same components are denoted by the same reference numerals.

1 is a diagram for explaining a personalized service providing system according to an embodiment of the present invention.

Referring to FIG. 1, a personalized service providing system 110 according to an exemplary embodiment of the present invention analyzes a viewing behavior of a viewer's broadcast viewing from an IPTV subscriber terminal 200 including a set-top box in a head end system, A condition setting unit 112, an audience information analyzing unit 113, and an audience information providing unit 114. The system includes a collecting and storing unit 111, a condition setting unit 112, An EPG information storage unit 115, and a subscriber DB 116. [

The collection storage unit 111 receives and stores the viewing behavior message information processed by the IGMP JOIN message and the IGMP LEAVE message generated by the viewer's channel / broadcasting program selection, change, and interruption from the IPTV subscriber terminal 200a .

Here, the IGMP JOIN message may be displayed when a viewer selects or changes a channel / program, or when an IGMP General Query message periodically transmitted by a subscriber switch (L2 switch) on the viewer terminal end side connected to the set- Is a message that occurs when an IGMP Special Query message is sent non-periodically. The IGMP LEAVE message is generated when a viewer stops a channel / program or when a viewer changes a channel and sends a LEAVE message to a channel / program that has been previously viewed.

At this time, the processed viewing behavior message information according to IGMP JOIN includes a channel group address indicating a channel / program selection, a scheduled viewing schedule when a user changes a channel, a channel group address indicating a group address of a specific channel / program viewed, And time information for a specific channel / program. In addition, the viewing behavior message information related to the IGMP JOIN message includes a type code for identifying an IGMP JOIN message generated by a viewer's channel / broadcasting program selection and change, and a type code for identifying a viewer / And further includes information (ID).

The viewing behavior message information related to the IGMP LEAVE includes a channel group address indicating a group address for a specific channel / program viewed when the viewer stops watching the channel / program, and time information for the specific channel / program suspended by the viewer . In addition, the viewing behavior message information further includes a type code for identifying the IGMP LEAVE message generated by the viewer's channel / program interruption, and viewer identification information (ID) of the viewer who watched the specific channel / program.

The viewer identification information (ID) according to the IGMP JOIN / LEAVE message may be the unique information of the set-top box installed for each subscriber, or the viewer may log in to the set-top box by remote control operation and authenticate the set- And unique information of an individual in a home.

Accordingly, the collection and storage unit 111 can obtain the viewing / listening behavior information on the channel / program viewed by the viewer from the viewing / listening behavior message analyzed and transmitted from the plurality of set-top boxes included in the IPTV subscriber terminal 200a will be.

Also, the collection storage unit 111 acquires classification information such as a channel name, a program name, a program genre, performer information, and the like by referring to the EPG information storage unit 115 based on the channel group address and time information. That is, based on the channel group address and time information of the IGMP JOIN / LEAVE message, the channel group address for the specific channel / program selected by the viewer, changed and stopped, the channel group address for the specific channel / program viewed by the viewers, Program name, program genre, performer, and the like by referring to the EPG information stored in the EPG information storage unit 115 based on the time information, such as a channel name, a program name, a program genre, It is possible to acquire and further store the viewing behavior classification information.

Here, the viewing behavior classification information is information extracted for setting conditions for use in the construction construction unit 112 to be described later. Also, the EPG information storage unit 115 includes program information and supplementary service information supplied from terrestrial waves / programs or contents providing suppliers, and thus can obtain supplementary service information such as a channel name, a program name, a program genre, and performers. At this time, the program information is information related to a broadcasting channel including video, audio data and data broadcasting data supplied from a terrestrial / program supplier, and the additional service information is information related to a broadcasting service such as music, game, karaoke, Means information related to the content.

The condition setting unit 112 filters the number of viewers watching each channel / program and sets at least one condition among the information included in the classification information or the viewing behavior message information. At this time, by counting or filtering the number of viewers or users viewing each channel / program, it is possible to naturally understand what channel / program a particular viewer is watching or how many viewers are watching a specific channel / program .

The audience information analyzing unit 113 analyzes the content of the viewing behavior message information or classification information stored in the collection storage unit 111 according to the condition set by the condition setting unit 112 and extracts the processed personalized service information .

For example, when the viewer identification information of the viewing behavior message information filtered by a plurality of viewers is set as the condition of the program genre of the time information and the classification information, it is possible to refer to the subscriber DB 116 stored only to the personalized service viewer, By analyzing the content of the viewing behavior message information or the classification information stored in the collecting and storing unit 111 with respect to each channel / program, the viewing time of each channel / program and the viewing pattern of the genre of each channel / program can be extracted . The information according to the extracted view pattern is defined as processed personalized service information.

As described above, the personalized service information can be variously derived according to conditions set by the condition setting unit 112 and results analyzed by the audience information analyzing unit 113. That is, a viewing history statistics service, a channel ranking service, a viewing restriction service, and the like can be derived to the viewer.

The channel ranking service, which is a service displayed on the viewer screen in the order of the channel having the highest audience rating among the currently broadcasted channels / programs, watches each channel / program on a predetermined time basis in the condition setting unit 112 The audience information analyzer 113 counts the number of viewers, counts the number of viewers by the channel / program in descending order, and sets the condition to output the number of viewers and the channel / program name. Analyzing the contents of the information stored in the unit 111, counting the number of viewers for each channel / program, extracting results sorted in descending order, and reporting the result to the audience information providing unit 114.

In addition, the viewing history statistics service, which is a service that allows viewers to provide a list of channels / programs viewed by the viewer, so that viewers can determine their service viewing patterns, sets time information for the viewing history in the condition setting section, The audience information analyzing unit 113 analyzes the contents of the information stored in the collecting and storing unit 111 and outputs information according to the set conditions and outputs the information to the audience information providing unit 114 ), It is possible to extract the viewing history statistical service information which can know the viewing time according to the channel / program viewed by the viewer.

In addition, the parental control service, which is a service by which a parent can restrict a child's TV viewing time, can be viewed on a day-by-day basis for a specific viewer whose channel / program viewing time is limited among viewer information of the subscriber DB 116 stored only for the personalized service The time is set to be counted under the condition of the predetermined time. In other words, if the parent wishes to limit the TV viewing time of the child to two hours, the child construction information 112 of the child construction unit 112, the channel name or program name to be restricted, the channel / If the viewing time counted by comparing the viewing time counted after counting the number of hours counted after setting the viewing time limit to, for example, 2 hours, exceeds 2 hours, the viewing time exceeding information of the child is set The viewing information analyzing unit 113 analyzes the contents of the information stored in the collecting and storing unit 111 according to the above conditions and reports the viewing time overrun information to the audience information providing unit 114, It is possible to extract a viewing restriction service that can limit the time for viewing a program.

In addition, the audience information analyzing unit 113 refers to the subscriber DB stored only for the personalized service subscribers. This is because it is possible for the specific viewer, for example, Refer to the subscriber DB to see if you are a restricted person.

The audience information providing unit 114 converts various extracted personalized service information into a compatible format of the headend system, stores the converted personalized service information, and transmits the personalized service information to the network and the IPTV subscriber terminal 200b in the form of a personal EPG or a pop-up message, . At this time, the personal EPG format may include a personalized service information such as a viewing history statistics service or a parental control service, which is transmitted to a subscriber terminal in a unicasting manner when a viewer subscribed to the personalized information service requests a UI Interface).

Thus, the viewer can obtain his or her viewing pattern and viewing behavior information at a desired time of the personalized service information.

In addition, the pop-up message form is transmitted to the IPTV subscriber terminal when the personalized service information such as the viewing history statistics service and the channel ranking service is transmitted to the IPTV subscriber terminal in a unicasting manner and is transmitted to the IPTV subscriber terminal, Can be displayed in a pop-up form.

In this way, it is preferable that the personal EPG format transmitted at the request of the viewer or the pop-up message format transmitted periodically by the IPTV personalized service providing system is transmitted in a unicasting manner.

Hereinafter, the above-described personalized service providing system is included in the head end system and is interlocked, so that the head end system and the network will be described in detail with reference to FIG.

2 is a view for explaining an IPTV head end system and a network according to an embodiment of the present invention.

2, the IPTV head end system 100 according to the present invention includes a subscriber concentrator 153 using a multicast routing protocol (e.g., PIM-SM protocol) to a Gigabit or higher-speed router of the premium network 151, A system for transmitting EPG information including program information and supplementary service information to a plurality of subscribers' IP set-top boxes 210 by multicasting via a subscriber switch 154, the system comprising a baseband system 120, a compression multiplexing system An EPG providing system 191, a back office system 160, a subscriber management system 140, a network switch system 150, a media operation core (MOC) 170, a data broadcasting system 190, And a return path server system 195.

The baseband system 120 receives an MPEG-2 broadcast signal or an analog broadcast signal from a terrestrial wave from an external program provider (PP), converts the received source broadcast signal to an SDI (Serial Digital Interface) signal And distributes broadcast video and audio signals of a plurality of broadcast channels (for example, 100 channels) through a Routine Switcher, and generates a subtitle generator CG and an automatic program controller APC (Signal editing and processing) to at least one of an advertisement, a logo, and a caption on the broadcast image and the voice signal by a controller.

The baseband system 120 includes a tuner for receiving analog broadcasting signals from a broadcasting provider such as a program provider (PP) and a terrestrial broadcast signal to a DS-3 optical line terminal, a Yagi antenna, and an IRD (Integrated Receiver Decoder) A frame synchronizer for converting and correcting the original source signal into an SDI signal and synchronizing frames, a signal distributor such as an A / V router for connecting / concentrating all broadcast signal channels for operation management, And a character generator for editing and processing signals by inserting advertisements, logos and subtitles into the SDI signal.

The compression multiplexing system 130 inputs broadcast video and audio signals received from the baseband system 120 to A / V encoders for respective broadcast channels (for example, 100 channels) (MPEG-2 TS) signal is compressed together with a compressed broadcast image and a voice MPEG-2 TS signal by compressing the video signal to H.264, compressing the audio signal to MPEG-2 AAC, multiplexes EPG information including data for broadcasting and program information and additional service information generated by a data encoder and a PSI / SI generator (PSI / SI Generator), and multiplexes the multiplexed MPEG-2 TS signal IP packetization.

The EPG providing system 191 includes an EPG server (not shown) and an EPG information storage unit 115 and provides EPG information including program information and supplementary service information to the IPTV subscriber terminal 200.

The network switch system 150 transmits an IP packetized transport stream (Transport Stream) to the premium network through a gigabit exclusive line in an IP multicasting manner. In addition, the network switch system 150 can use IPv4 multicasting or IPv6 multicasting. When the IPv4 multicasting is used, the network switch system 150 transmits the IP packetized transport stream TS to the multi- And transmits the casting to the IPTV subscriber terminal 200 joined through the premium network 151.

In addition, the network switch system 150 includes at least one L3 switch (L3 SW) and return path server system 195 for multicasting the IP packetized signal to the IP network, and the IPTV subscriber terminal 200 One or more L4 switches (L4 SW) for connecting and balancing bidirectional data reception traffic between the L4 switches and the IP network by dividing them into an appropriate load and one or more intrusions for blocking harmful traffic between the L4 switch and the IP network Prevention system.

Here, the above IP multicasting may use IPv4 multicasting or IPv6 multicasting technology. In one embodiment, when the router and the L3 switch use the PIM-SM Multicasting Routing Protocol, when the IP set-top box of the subscriber uses IPv4, the IGMP v2 / v3 is used for IGMP Snooping of the subscriber switch, 220 to join the desired broadcast channel, and when IPv6 is used, it is transmitted to the subscriber concentrator 153 using MLD v1 / v2 to join the broadcast channel.

The back office system 160 is a provisioning system and provides a billing function for using an IPTV personalized information service for each subscriber when a personalized information service according to the viewing behavior collection is paid for after a user authentication .

The subscriber management system 140 includes a subscriber DB 116, and provides subscription and termination and membership information management functions for personalized information services according to IPTV viewing behavior collection.

The Media Management Core (MOC) 170 is a system for managing various business process information (program organization information, material information, contract information, product information, etc.) for operating a broadcasting service. In addition, the media management system 170 manages broadcast program information, content and media management information, contract information of program providers (PP) and content providers (CP), and product information, And the information flows through the organic combination of the coordinator (Coordinator) serves as a coordinator.

 In addition, the media management system (MOC) 170 acquires / manages EPG information including additional meta data management, additional service information such as broadcast schedule information, and program information, and manages real- It manages each subsystem and agent (agent), manages VOD catalog creation, and performs analysis of various products. In addition, the media management system (MOC) 170 records the results of the marketing analysis reporting and broadcast transmission monitoring, such as the settlement with the CP / CA, the video server transmission management and the VoD subscriber authentication, / Management, and data synchronization with each linked subsystem.

The data broadcasting system 90 includes a data manager (DM) for receiving supplementary service information periodically updated from a content provider (CP) to transmit authoring, verification, and organization of data for data broadcasting, And the EPG information including the additional service information is generated by the PSI / SI generator by the encoder.

Here, a data manager (DM) of the data broadcasting system 190 compresses an object carousel (OC) including periodically updated additional information received from a data agent (DA) Multiplexing system and a network switch system to a plurality of IP set-top boxes 210 by multicasting.

The personalization authentication server (not shown) receives the authentication request message for the personalized information service from the IP set-top box owned by the registered user through the return path server system 195 and receives a response to the authentication request message To the subscriber's IP set-top box 210 via the return path server system 195. The subscriber's IP set-

The return path server system 195 records log information of a user, processes bidirectional data by a data provider (DP), receives personalized information service (IP) information from the IP set- Billing interworking process, bidirectional data transmission, and response data corresponding to the bi-directional data are transmitted to the IP set-top box 210 by the unicasting method.

EPG information including program information and supplementary service information transmitted from the headend system 100 is transmitted to a plurality of IP set-top boxes 210 joined in a multicast group in the premium network 151 And transmitted using an IP multicast protocol (e.g., PIM-SM). The IP multicast routing protocol used in the router of the premium network 151 and the L3 switch 152 may be implemented by a DVMRP (Distance Vector Multicast Routing Protocol), a Multicast Extensions to OSPF (MOSPF), a Core Based Tree (CBT) (Protocol Independent Multicast-Sparse Mode), and Protocol Independent Multicast-Dense Mode (PIM-DM).

Each router including a rendezvous point (RP) of an IPTV backbone network / access network / subscriber network, a LAN switch installed in a collective building where an N-Topia switch (L3 switch) The Layer 3 network equipment including the subscriber aggregation device (L3 switch) 153 uses the PIM-SM multicast routing protocol and the subscriber's terminal (STB 200) and the subscriber switch 154 ) Use the IGMP and IGMP Snooping protocols, respectively.

The Internet Group Management Protocol (IGMP) is omitted because it has been described above. The IGMP Snooping protocol is a layer 3 network equipment that accepts an IGMP Join / Leave message request from an IPTV subscriber terminal of a viewer requesting a broadcast channel selection / (Subscriber switch 230) in which the IGMP Snooping protocol is driven is a protocol driven by a Layer 2 device (e.g., a subscriber switch) located between the IP set-top box terminal and the Layer 3 network equipment : Designated Router (DR)), and transmits channel information only to the IP set top box 210 of the subscriber requesting the broadcast channel.

3 is a view for explaining an IPTV subscriber terminal for providing personalized service information according to an embodiment of the present invention to a viewer.

2, an IPTV subscriber terminal 200 for providing a personalized service according to an exemplary embodiment of the present invention may be configured to transmit a viewing behavior according to a broadcast viewing of a viewer 154 to a head end system 100 And receives the personalized service information analyzed and transmitted from the headend system 100 to the IP set top box 210 and includes an IP set top box 210 and a TV 205 connected thereto.

The IP set-top box 210 includes a hardware layer composed of set-top box hardware such as a CPU, a media processor, a flash RAM, and an Ethernet module, a system software layer including a device driver and an operating system, a Java Virtual Machine (API) (Navigator, Audio streaming API, VOD, Flash player, HDS Client, SSO) for IP media service, and Java API (Java TV, Java UI, JMF, DAVIC, CA Interface) Client, Streaming Protocol (RTP, RTSP), and Web browser.

The IP set-top box 210 includes an application layer which is a personal electronic device that communicates with a server of the EPG providing system 180 including the EPG information storage unit 115 of the headend system 100. [ Includes clients that support Program Guide (EPG). The application layer includes a viewing behavior message transmission unit 220, a customized information storage unit 230, and a customized information providing unit 240.

The viewing behavior message transmitting unit 220 collects and analyzes an IGMP JOIN message generated by a viewer's channel / broadcasting program selection and change and an IGMP LEAVE message generated by a viewer's channel / broadcasting program interruption by a viewer's remote control operation And transmits the viewing behavior message information to the personalized service providing system 110 of the head end system 100 through the network in a unicast manner. At this time, the viewing behavior message information includes a type code for facilitating identification and classification of a packet received from the headend system 100, a viewer identification information (ID) generating an IGMP JOIN / LEAVE message, a channel / The channel group address of the program and the time of watching the channel / program.

At this time, the viewer identification information may be unique information of the set-top box 210 installed in a home, or may be a unique identifier of a home, which is identified after the viewer logs in to the set-top box 210 by remote control operation and authenticated by the set- It is desirable to include both the unique information and the individual unique information in one family.

The personalized information storage unit 230 stores the viewing behavior message information received from the viewing behavior message transmission unit 220, and generates program information and supplementary services based on the group address information and the time information included in the viewing / Program name, program genre, performer information, etc., by referring to the EPG information including the information, and further stores the number of viewers or viewers who watched each channel / program as filtering or counting Analyzing contents of the classification information or the viewing behavior message information according to one or more conditions among the information included in the viewing behavior classification information or the viewing behavior message information and outputting the processed personalized service information in the form of a personal EPG or a pop- From the personalized service providing system. At this time, the headend system 100 and the personalized service provision system 110 have been described in detail with reference to FIG.

The personalized information providing unit 240 provides the viewer 154 with a personal EPG or a pop-up message stored in the personalized information storage unit 230 as a display screen. At this time, it is preferable that the personalized EPG format is provided by a unicasting method according to a viewer's request, such as the personal history service, the channel ranking service, and the like. In addition, the pop-up message type is preferably provided to the IPTV subscriber terminal in a unicasting manner by periodically pushing the personalized service information.

4A and 4B are views for explaining a method of transmitting personalized service information in a personalized service providing system according to an embodiment of the present invention.

4A, a method of transmitting personalized service information in a personalized service providing system includes a collecting and storing part 111 for collecting IGMP JOIN messages and IGMP LEAVE messages generated according to a viewer's channel / (A) receiving the viewing behavior message information including the channel group address and time information from the IPTV subscriber terminal 200a and storing the same. For example, when the viewer changes channels from the G1 channel to the G2 channel, when the entire channel is interrupted, the signal 402 of the IGMP LEAVE message for G1 is transmitted to the subscriber switch 154, 220 in the set-top box 210, processed into a viewing behavior message, and transmitted to the collection storage unit 111. [

In addition, when the viewer selects the channel, the signal 404 of the IGMP JOIN message for G2 is transmitted to the subscriber switch 154 and analyzed at the set-top box 210 by the viewing behavior message transmission unit 220, Processed message and transmitted to the collection storage unit 111. [

Then, the collection storage unit 111 obtains and stores classification information including a channel name, a program name, a program genre, and performer information in response to the EPG information storage unit 115 based on the group address information and the time information (b). That is, if the access 405 according to the group address information and the time information is sent to the EPG information storage unit 115, the EPG information storage unit 115 stores the channel name, program name, program genre, Can be obtained by searching the index for classification information such as performer information. When the classification information obtained by the EPG information storage unit 115 is transmitted to the collection storage unit 111 by the response 406, the collection storage unit 111 acquires and stores the classification information.

4B, filtering / counting is performed on the number of viewers or viewers who are watching each channel / program, and one of the pieces of information included in the classification information or the viewing / And (c) setting the above conditions. That is, after filtering by the condition setting unit 112, the information is acquired by the collection and storage unit 111 and the classification information or the viewing behavior message information is obtained in the response 408, The condition can be set to any one or more of.

Thereafter, the audience information analyzing unit 113 analyzes the content of the classification information or the viewing behavior message information stored in the collection storage unit 111 according to the condition set by the condition setting unit 112, and outputs the processed personalized service information (D). That is, the audience information analyzing unit 113 queries the condition set in the collection storage unit 111 with reference to the condition set by the condition setting unit 112, and transmits the query 410 to the collection storage unit 111 ) Or the content of the viewing behavior message information. As a result of the analysis, the processed personalized service information can be extracted.

Thereafter, the audience information providing unit 114 converts the personalized service information into the compatible format of the headend system 100, stores the personalized service information in the compatible format, and transmits the personalized service information to the network and the set-top box 210 in the form of a personal EPG or pop- ). That is, the audience information providing unit 114 receives the result 412 extracted from the audience information analyzing unit 113, converts it into a head-end compatible format, stores it in the head end compatible format, And the set-top box 210.

5 is a diagram for explaining a method of receiving personalized service information according to an embodiment of the present invention at an IPTV subscriber terminal including a set-top box and providing it to a viewer.

Referring to FIG. 5, a method of providing personalized service information to a viewer in an IPTV subscriber terminal according to the present invention includes transmitting a viewing behavior according to a viewer's broadcast viewing to a headend system 100, The IPTV subscriber terminal 200 including the IP set-top box receives the personalized service information transmitted from the IPTV set-top box, and the viewing / listening behavior message transmission unit 220 transmits / receives the channel / Collects and analyzes the IGMP JOIN message generated by the viewer and the IGMP LEAVE message generated by the viewer's channel / broadcast program interruption, processes the analyzed IGMP JOIN / LEAVE message information into a viewing / listening behavior message, To the personalized service providing system 110 of the headend system 100 through the network (A). At this time, the personalized service providing system 110 has been described with reference to FIG. 2 and will not be described.

Then, the customized information storage unit 230 stores program information and supplementary service information based on the type code, group address information, time information, and viewer information included in the viewing behavior message information received from the IGMP message transmission unit 220 Program name, program genre, and performer information by referring to the EPG information including the EPG information including the EPG information and filtering or counting the number of viewers or viewers watching each channel / Analyzing the contents of the classification information or the viewing behavior message information according to at least one of the information included in the behavior message information and transmitting the processed personalized service information from the headend system 100 in the form of a personal EPG or a pop- 415) and storing (b). The processed personalized service information has been described above with reference to FIG. 2, and therefore will not be described.

The personalized information providing unit 240 then accesses (416) the personal EPG or pop-up message stored in the personalized information storage unit 230 and provides the personal EPG or pop-up message to the viewer (418). At this time, the display screen is a television 205 screen connected to the IP set-top box 210, and displays a personal EPG message in UI form. In the case of a pop-up message, the pop-

Meanwhile, signals transmitted and received between the viewing behavior message transmitting unit 220, the customized information storage unit 230, and the customized information providing unit 240 are performed by the control signals of the system software layer illustrated in FIG.

Accordingly, the IPTV subscriber terminal according to the present invention can provide processed personalized service information according to the viewing behavior collection to the viewers so that the viewer can grasp their own viewing patterns.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention.

It should be understood, therefore, that the embodiments described above are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than the foregoing description, And all changes or modifications derived from equivalents thereof should be construed as being included within the scope of the present invention.

As described above, according to the present invention, it is possible to investigate the audience rating according to the viewing behavior in the head-end system using the processed viewing behavior message information about the IGMP JOIN / LEAVE received from the IPTV subscriber terminal, To the viewer. That is, there is an effect of providing individual personalized information services processed according to viewing behavior such as channel ranking service, viewing history statistics service, and viewing restriction service to individual viewers.

In addition, the present invention has the effect of providing personalized service information to viewers so that viewers can determine their own service patterns and receive a preferred channel / program.

Claims (44)

A personalized service providing system for analyzing a viewing behavior according to a viewer's view of broadcasting from an IPTV subscriber terminal and providing processed personalized service information according to a viewing behavior to a viewer, An EPG information storage unit for storing program information and supplementary service information supplied from terrestrial / program providers and content providers; Receiving and storing the IGMP JOIN message and the viewing behavior message information processed by the IGMP LEAVE message according to the viewer's channel / broadcasting program selection, change, and interruption from the IPTV subscriber terminal, A collection storage unit for acquiring and further storing the viewing behavior classification information with reference to the information storage unit; A condition setting unit for filtering or counting the number of viewers or viewers watching each channel / program, and setting at least one of conditions included in the viewing behavior classification information or the viewing behavior message information; Analyzing contents of the viewing behavior classification information or the viewing behavior message information stored in the collection storage unit according to the condition set by the condition setting unit and extracting the processed personalized service information; And The personalized service information is transmitted to the network and the IPTV subscriber terminal in the form of a personal EPG or a pop-up message, And a personalized service provision system. The method according to claim 1, The viewing behavior classification information includes A channel name, a program name, a program genre, and performer information, and a personalized service providing system through the collection of the IPTV viewing behavior. The method according to claim 1, The viewing behavior message information includes  A type code for identifying an IGMP JOIN or an IGMP LEAVE message, and a viewer identification information (ID), the channel group address and time information for viewing the channel / program, Customized service delivery system. The method of claim 3, The viewer identification information And a personalized service providing system for collecting IPTV viewing behavior information. The method of claim 3, The viewer identification information Wherein the settop box includes at least one of the unique information of the home as well as the unique information of each individual in the home, which is identified after the viewer logs in to the set top box by the remote controller operation and authenticated by the set top box, Customized service delivery system. The method according to claim 1, The personalized service information And a viewing history statistics service for providing a viewer with a list of channels / programs viewed by the viewer. The method according to claim 1, The personalized service information Wherein the channel ranking service is a channel ranking service indicating the highest audience rating among the channels / programs currently being broadcasted, and a personalized service providing system through the collection of the IPTV viewing behavior. The method according to claim 1, The viewing information analyzing unit And the subscriber DB stored only for the personalized service subscriber is further referred to, and the IPTV viewing behavior collection and the personalized service providing system through the collecting. The method according to claim 1, The condition setting unit The one-day viewing time is counted for a predetermined time for a specific viewer who is limited in the channel / program viewing time out of the viewer information (ID) of the subscriber DB stored only for the personalized service. Collection and personalized service delivery system. 10. The method of claim 9, The viewing information analyzing unit And the viewing restriction service information, which is a personalized information service for limiting the viewing time of one day of a specific viewer by analyzing the contents of the classification information or the viewing behavior message information stored in the collection storage unit according to the condition of the condition setting unit IPTV viewing behavior and personalized service provision system. 11. The method according to any one of claims 1 to 10, The personal EPG format Wherein the personalized service information is expressed by a user interface (UI) that can be viewed by the viewer by transmitting the personalized service information to the subscriber terminal in a unicasting manner when the viewer requests the IPTV viewing behavior collection and the personalized service providing system. 11. The method according to any one of claims 1 to 10, The pop-up message type Wherein the personalized service information is periodically pushed and transmitted to a subscriber terminal in a unicasting manner to allow viewers to check the pop-up form of the IPTV viewing behavior. An IPTV subscriber terminal for transmitting a viewing behavior according to a viewer's broadcast viewing to a head end system and providing personalized service information analyzed and transmitted from the head end system to a viewer, An IGMP JOIN message generated by a viewer's channel / broadcasting program selection or change and an IGMP LEAVE message generated by a viewer's channel / broadcasting program interruption are collected and analyzed by a viewer's remote control operation, processed into viewing / A viewing behavior message transmission unit for transmitting the packetized and unicasted information to a personalized service providing system of the headend system through a network; Acquires viewing behavior classification information by referring to EPG information including program information and supplementary service information based on the viewing behavior message information, and acquires viewing behavior classification information based on one or more of the information included in the viewing behavior classification information or message information, A customized information storage unit for analyzing contents of the information or message information and transmitting the personalized service information processed and received from the personalized service providing system in the form of a personal EPG or a pop-up message; And A personal information providing unit for providing a personal EPG or a pop-up message stored in the personalized information storage unit to a viewer through a display screen, IPTV subscriber terminal for collecting IPTV viewing behavior and providing personalized service through it. 14. The method of claim 13, The viewing behavior classification information includes A program name, a program genre, and performer information, and provides an IPTV subscriber terminal for providing personalized service through the collection of the IPTV viewing behavior. 14. The method of claim 13, The viewing behavior message information includes  A type code for identifying an IGMP JOIN or an IGMP LEAVE message, and a viewer identification information (ID), the channel group address and time information for viewing the channel / program, An IPTV subscriber terminal to provide customized services. 16. The method of claim 15, The viewer identification information Wherein the IPTV subscriber terminal is unique to the set-top box installed for each subscriber. 16. The method of claim 15, The viewer identification information Wherein the settop box includes at least one of the unique information of the home as well as the unique information of each individual in the home, which is identified after the viewer logs in to the set top box by the remote controller operation and authenticated by the set top box, An IPTV subscriber terminal to provide customized services. 14. The method of claim 13, The personalized service information And a viewing history statistics service for providing a viewer with a list of channels / programs viewed by the viewer. The IPTV subscriber terminal for collecting IPTV viewing behavior and providing a personalized service through the collection. 14. The method of claim 13, The personalized service information The IPTV subscriber terminal collecting the IPTV viewing behavior and providing a personalized service through the IPTV viewing behavior collecting service. 14. The method of claim 13, The condition Wherein the IPTV viewing behavior collection unit sets a predetermined time when counting one-day viewing time for a specific subscriber whose channel / program viewing time is limited among the viewer information (ID) of the subscriber DB stored only for the personalized service. IPTV subscriber terminal to provide personalized service through this. 21. The method of claim 20, Wherein the personalized service information analyzed by analyzing the contents of the viewing behavior classification information on the condition of the predetermined time is the viewing restriction service information for limiting the viewing time of one day of a specific subscriber, An IPTV subscriber terminal to provide customized services. 22. The method according to one of claims 13 to 21, The personal EPG format Wherein the personalized service information is expressed by a user interface (UI) that can be confirmed by a viewer by transmitting the personalized service information to a subscriber terminal when requested by a viewer in a unicasting manner, and to provide an IPTV viewing behavior collection and a personalized service IPTV subscriber terminal. 22. The method according to one of claims 13 to 21, The pop-up message type Wherein the personalized service information is periodically pushed and transmitted to a subscriber terminal in a unicasting manner to allow viewers to confirm the pop-up of the IPTV viewing behavior and to provide a personalized service through the IPTV viewing behavior collection. A method of transmitting personalized service information to an IPTV subscriber terminal by analyzing a viewing behavior according to a viewer's broadcast viewing in a personalized service providing system, (a) receiving and storing the viewing behavior message information processed by the IGMP JOIN message and the IGMP LEAVE message generated by the viewer's channel / broadcasting program selection, change, and suspension, from the IPTV subscriber terminal; (b) acquiring and storing viewing behavior classification information by referring to the EPG information storage unit based on the group address information and the time information of the collection storage unit; (c) filtering or counting the number of viewers or viewers who are watching each channel / program, and setting the condition or condition as one or more of the information included in the viewing behavior classification information or the message information; (d) analyzing contents of the viewing behavior classification information or message information stored in the collection storage unit according to conditions set by the condition setting unit, and extracting the processed personalized service information; And (e) the viewing information providing unit converts the personalized service information into a compatible format of the headend system, and stores the converted personalized service information in the form of a personal EPG or a pop-up message to the network and the IPTV subscriber terminal And transmitting the personalized service information to the personalized service providing system. 25. The method of claim 24, The viewing behavior classification information includes A channel name, a program name, a program genre, and performer information in the personalized service providing system. 25. The method of claim 24, The viewing behavior message information includes A type code for identifying an IGMP JOIN or an IGMP LEAVE message, and a viewer identification information (ID). The personalized service providing system according to claim 1, A method for transmitting service information. 27. The method of claim 26, The viewer identification information Wherein the personalized service information is unique to the set-top box installed for each subscriber. 27. The method of claim 26, The viewer identification information Wherein the personal information includes both the unique information of the home and the unique information of each individual in the home, which is identified after the viewer logs in to the set-top box by the remote control operation and authenticated by the set-top box. A method for transmitting service information. 25. The method of claim 24, The personalized service information Wherein the personalized service providing system is a viewing history statistics service for providing a viewer with a list of channels / programs viewed by the viewer. 25. The method of claim 24, The personalized service information Wherein the channel ranking service is a channel ranking service indicating a highest audience rating among channels / programs currently being broadcasted. 25. The method of claim 24, The viewing information analyzing unit Wherein the personalized service providing system further refers to the subscriber DB stored only for the personalized service subscriber. 25. The method of claim 24, The condition setting unit The personalized service is further configured to count the one-day viewing time on a condition of a predetermined time for a specific viewer who is restricted in the channel / program viewing time out of the viewer information (ID) of the subscriber DB stored only for the personalized service. A method for transmitting personalized service information in a providing system. 33. The method of claim 32, The viewing information analyzing unit And the viewing restriction service information, which is a personalized information service for limiting the viewing time of one day of a specific viewer by analyzing the contents of the classification information or the viewing behavior message information stored in the collection storage unit according to the condition of the condition setting unit Wherein the personalized service information is transmitted from the personalized service providing system. 34. The method according to one of claims 24 to 33, The personal EPG format Wherein the personalized service information is expressed by a user interface (UI) that can be viewed by the viewer by transmitting the personalized service information to the subscriber terminal in a unicasting manner when the viewer requests the service. . 34. The method according to one of claims 24 to 33, The pop-up message type Wherein the personalized service information is periodically pushed and transmitted to a subscriber terminal in a unicasting manner so that a viewer can check the pop-up of the personalized service information. A method for transmitting a viewing behavior according to a viewer's broadcast viewing to a head end system and receiving personalized service information analyzed and transmitted from the headend system at an IPTV subscriber terminal and providing the personalized service information to a viewer, (a) The viewing behavior message transmitting unit collects and analyzes the IGMP JOIN message generated by the viewer's channel / broadcasting program selection and change and the IGMP LEAVE message generated by the viewer's channel / broadcasting program interruption by the remote control operation of the viewer, Packetizing the processed viewing behavior message information and transmitting it to the head end system through a network in a unicast manner; (b) The personalized information storage unit obtains the viewing behavior classification information by referring to the EPG information including the program information and the supplementary service information based on the viewing behavior message information, and acquires the viewing behavior classification information using one or more of the information included in the viewing behavior classification information or the message information Analyzing contents of the viewing behavior classification information or message information in a condition that the processed personalized service information is transmitted and received from the head end system in the form of a personal EPG or a pop-up message; And (c) the personalized information providing unit providing the personal EPG or the pop-up message to the viewer as a display screen And providing the personalized service information to the IPTV subscriber terminal. (a) The viewing behavior message transmission unit packetizes the processed viewing behavior message information by the IGMP JOIN message generated by the viewer's channel / broadcasting program selection and change and the IGMP LEAVE message generated by the viewer's channel / broadcasting program interruption ; (b) storing the EPG information storage unit including program information and supplementary service information; (c) receiving and storing viewing behavior message information by the IGMP JOIN message and the IGMP LEAVE message; (d) acquiring and storing viewing behavior classification information including a channel name, a program name, a program genre, and performer information by referring to the EPG information storage; (e) filtering or counting the number of viewers or viewers who are watching each channel / program and setting the condition setting unit to at least one of the information included in the viewing behavior classification information or the message information; (f) analyzing contents of the viewing behavior classification information or message information stored in the collection storage unit according to the condition set by the condition setting unit, and extracting the processed personalized service information; And (g) the viewing information providing unit stores the personalized service information and provides the personalized service information to the viewer in the form of a personal EPG or a pop-up message And a method of providing personalized service information through the collection of the IPTV viewing behavior. 39. The method of claim 37, The viewing behavior message information includes  A type code for identifying an IGMP JOIN or an IGMP LEAVE message, and a viewer identification information (ID), the channel group address and time information for viewing the channel / program, and the individual How to provide customized service information. 39. The method of claim 38, The viewer identification information Wherein the settop box is unique to each subscriber and collects IPTV viewing behavior and provides personalized service information through the collection of the IPTV viewing behavior. 39. The method of claim 38, The viewer identification information Wherein the settop box includes at least one of the unique information of the home as well as the unique information of each individual in the home, which is identified after the viewer logs in to the set top box by the remote controller operation and authenticated by the set top box, How to provide customized service information. 39. The method of claim 37, The personalized service information And a viewing history statistics service for providing a viewer with a list of channels / programs viewed by the viewer. 39. The method of claim 37, The personalized service information Wherein the channel ranking service is a channel ranking service indicating a highest audience rating among the channels / programs being broadcasted at present, and a method for providing personalized service information through the gathering of IPTV viewing behavior. 39. The method of claim 37, The condition setting unit And further setting the one-day viewing time to a condition of a predetermined time for a specific subscriber whose channel / program viewing time is limited among the viewer information (ID) of the subscriber DB stored only for the personalized service. Collecting and providing personalized service information through it. 44. The method of claim 43, The viewing information analyzing unit The contents of the viewing behavior classification information or the message information stored in the collection storage unit are analyzed according to the condition set by the condition setting unit according to the condition of the condition setting unit to extract the viewing restriction service information for limiting the viewing time of the specific subscriber And a method for providing personalized service information through the collection of the IPTV viewing behavior.

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