CN101583016B - Method for displaying and sending service status information, user terminal equipment and service processing unit - Google Patents
Method for displaying and sending service status information, user terminal equipment and service processing unit Download PDFInfo
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- CN101583016B CN101583016B CN200810111645.7A CN200810111645A CN101583016B CN 101583016 B CN101583016 B CN 101583016B CN 200810111645 A CN200810111645 A CN 200810111645A CN 101583016 B CN101583016 B CN 101583016B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2362—Generation or processing of Service Information [SI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26258—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26283—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for associating distribution time parameters to content, e.g. to generate electronic program guide data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44204—Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/466—Learning process for intelligent management, e.g. learning user preferences for recommending movies
- H04N21/4667—Processing of monitored end-user data, e.g. trend analysis based on the log file of viewer selections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention provides a method for displaying and sending service status information, user terminal equipment and a service processing unit. A user terminal receives a notification message sent according to a subscription request, wherein the notification message comprises detailed IPTV service status information and/or historical IPTV service status information on an observed user terminal; and the detailed IPTV service status information comprises basic IPTV service status information and program recommendation information and/or program description information. The user terminal of the embodiment of the invention can view the historical IPTV service status information on the observed user terminal, display detailed program description information such as program titles, provide more and detailed service status information for users by expanding the basic IPTV service status information, improve service quality and avoid the phenomenon that a network sends a large amount of notification messages to cause instant overlarge network communication traffic when interchannel program change occurs.
Description
Technical field
The embodiment of the invention relates to communication technical field, relates in particular to a kind of business state information demonstration and sending method, subscriber terminal equipment and Service Processing Unit.
Background technology
IP Multimedia System (hereinafter to be referred as: IMS) by 3rd Generation Partnership Project (3rd Generation Partnership Project; Hereinafter to be referred as: 3GPP) standard definition is that 3G (3rdGeneration) mobile network is realized packet voice and grouped data, and the unified multimedia service and the objective network of application is provided.IMS adopts the bearer path of IP packet domain as its control signaling and media delivery, adopts Session initiation Protocol (Session Initiation Protocol; Hereinafter to be referred as: SIP) as call control signalling, realized service management, session control and carried the three who inserts separating.Wherein, Session Initiation Protocol is the application layer control protocol that is used to set up, change and stop Multimedia session or calling, and these Multimedia session comprise multimedia conferencing, remote teaching, IP etc., and its core is defined by the ietf standard tissue.
Internet Protocol Television (IP Television; Hereinafter to be referred as: be that a kind of on IP network, the transmission comprises TV, video, text, figure and data etc. IPTV), and the manageable multimedia service of service quality/Quality of experience assurance, safety, interactivity and reliability is provided.The mode that the user can use personal computer at home or adopt STB and general television set to mutually combine is enjoyed the IPTV business, and it is professional also can to enjoy IPTV through portable terminal.IPTV transmits clean culture, broadcasting or group broadcasting video frequency program with the form of IP bag; Just receiving the increasing concern of telecom operators; At present, etsi standard organizes subordinate's TISPAN (Telecommunications and Internet Converged Services and Protocols forAdvanced Networking) studying the IPTV based on the IMS network.
It is a kind ofly to realize notifying a user about another user's accessibility, the availability and the business of the wish of communicating by letter that state presents business (Presence).It provides the state information of a large amount of real-time user priority selection mode, user terminal state and some customer services.Whether state can to demonstrate other users online if presenting business; Show then that as if online their state is the free time or busy; Also can let the user provide the details of communication mode and communication capacity, for example whether have abilities such as audio frequency, video, instant message etc.If when a state of user presentation information explicit user state for " meeting carry out in " and support SMS, other user then can provide professional to this user through SMS, and the meeting work that can not bother him.
It is to obtain and appear to subscribe to this professional user profile that state presents professional main effect.An observer can subscribe to single resource through using " SUBSCRIBE ", and when subscription is accepted, state server will return this state of resources information; The observer can also be through using SUBSCRIBE to resource list server (RLS) the Resources list that pulls subscription; Resource list server re-uses SUBSCRIBE and subscribes to each resource in the Resources list; When subscription was accepted, resource list server will return each state of resources information in this tabulation.In addition; Different observers can obtain the presence information of different stage and different range; This means that different observers can be authorized to watch the different piece of the presence information of presentity, presentity uses extensible markup language configuration access protocol (The Extensible Markup Language Configuration Access Protocol; Be called for short: XCAP) scheme of definition is provided with these mandates with the form of license states.
In the IPTV business based on IMS, normal structure TISPAN only is defined into user terminal issue broadcasting (BroadCast to the standard that the IPTV state presents business at present; Hereinafter to be referred as: BC) channel identication, BC program identification, program request (Content on Demand; Hereinafter to be referred as: CoD) content identification, personal video recording (Person Vedio Recorder; Hereinafter to be referred as: nPVR) content identification.
Appear in the business at the IMS state, the user initiatively issues current state information, current state information comprise free time or busy, acceptable communication mode be what etc. information; Appear in the business at the IPTV state,, do not consider that whether the user is ready to issue the current programme information of watching, and promptly lacks the protection to privacy of user by network active collection state of user information.
The inventor finds in realizing process of the present invention: present business norms from the IPTV state of TISPAN tissue and can find out that there is following shortcoming at least in prior art: the observer can only check up-to-date IPTV business state information; And only can check the IPTV business state information of professional three basic services of live broadcast service, CoD business and nPVR; The observer can only check the content of text of IPTV business state information; And do not consider that network sends the program change notification message to all observers in this channel simultaneously when the person's of being observed channel program map does not change, and possibly cause that the moment Internet traffic is excessive, cause the message storm.
Summary of the invention
The embodiment of the invention provides a kind of business state information demonstration and sending method, subscriber terminal equipment and Service Processing Unit; In order to solve the comparatively simple IPTV service condition essential information that only can check the person's of being observed user terminal in the prior art; And, the person's of being observed user terminal channel program map possibly cause the defective of signaling storm when changing; Realization can be checked the IPTV business state information than horn of plenty, avoids the signaling storm.
The embodiment of the invention provides a kind of business state information display packing, comprising:
Send subscribe request, said subscribe request comprises the identify label of the subscription indication information of IPTV service condition details and IPTV service condition historical information, the person's of being observed user terminal and subscribes to the time period indication information of IPTV service condition historical information;
The notification message that reception is sent according to subscribe request; Said notification message comprises the IPTV service condition details and the IPTV service condition historical information of the person's of being observed user terminal; Said IPTV service condition details comprise IPTV service condition essential information; Also comprise program recommendation information and/or program description; Wherein, said IPTV service condition essential information comprises the content identification and the game service sign of BC channel identication, BC program identification, CoD content identification, nPVR content identification, user-generated content;
Said subscribe request according to sending shows said IPTV service condition details and IPTV service condition historical information.
The embodiment of the invention provides a kind of business state information sending method, comprising:
Receive subscribe request, said subscribe request comprises the identify label of the said person's of being observed user terminal and observer's user terminal, and to the subscription indication information of IPTV service condition details and IPTV service condition historical information;
Identify label according to said subscription indication information and said observer's user terminal; Send IPTV service condition details corresponding and IPTV service condition historical information with the identify label of the said person's of being observed user terminal; Said IPTV service condition details comprise IPTV service condition essential information; Also comprise program recommendation information and/or program description; Wherein, said IPTV service condition essential information comprises the content identification and the game service sign of BC channel identication, BC program identification, CoD content identification, nPVR content identification, user-generated content
Wherein, said identify label according to said subscription indication information and said observer's user terminal, send IPTV service condition details and the IPTV service condition historical information corresponding and comprise with the identify label of the said person's of being observed user terminal:
According to said subscription indication information and the time period indication information of subscribing to IPTV service condition historical information, send and the interior IPTV service condition historical information of indication information time corresponding section of corresponding, said time period of the identify label of the said person's of being observed user terminal.
The embodiment of the invention provides a kind of subscriber terminal equipment, comprising:
First sending module; Be used to send subscribe request, said subscribe request comprises the identify label of the subscription indication information of IPTV service condition details and IPTV service condition historical information, the person's of being observed user terminal and subscribes to the time period indication information of IPTV service condition historical information;
First receiver module; Be used to receive the notification message that sends according to subscribe request; Said notification message comprises the IPTV service condition details and the IPTV service condition historical information of the person's of being observed user terminal; Said IPTV service condition details comprise IPTV service condition essential information; Also comprise program recommendation information and/or program description, wherein, said IPTV service condition essential information comprises the content identification and the game service sign of BC channel identication, BC program identification, CoD content identification, nPVR content identification, user-generated content;
Display module is used for showing said IPTV service condition details and/or IPTV service condition historical information according to the said subscribe request of sending.
The embodiment of the invention provides a kind of Service Processing Unit, comprising:
Second receiver module is used to receive subscribe request, and said subscribe request comprises the identify label of the said person's of being observed user terminal and observer's user terminal, and to the subscription indication information of IPTV service condition details and IPTV service condition historical information;
The 3rd sending module; Be used for identify label according to said subscription indication information and said observer's user terminal; Send IPTV service condition details corresponding and IPTV service condition historical information with the identify label of the said person's of being observed user terminal; Said IPTV service condition details comprise IPTV service condition essential information; Also comprise program recommendation information and/or program description; Wherein, said IPTV service condition essential information comprises the content identification and the game service sign of BC channel identication, BC program identification, CoD content identification, nPVR content identification, user-generated content, wherein; Said identify label according to said subscription indication information and said observer's user terminal, send IPTV service condition details and the IPTV service condition historical information corresponding and comprise with the identify label of the said person's of being observed user terminal:
According to said subscription indication information and the time period indication information of subscribing to IPTV service condition historical information, send and the interior IPTV service condition historical information of indication information time corresponding section of corresponding, said time period of the identify label of the said person's of being observed user terminal.
The business state information demonstration that the embodiment of the invention provides and sending method, subscriber terminal equipment and Service Processing Unit; User terminal can be checked the IPTV service condition historical information of the person's of being observed user terminal; And can the display program title etc. program description in detail; Through expansion IPTV service condition essential information,, improve QoS for the user provides more complete more detailed business state information; And network sends a large amount of notification messages and causes Internet traffic excessive phenomenon of moment can avoid occurring the channel program map and change the time.
Description of drawings
Fig. 1 presents network architecture embodiment sketch map for IPTV service condition of the present invention;
Fig. 2 is a business state information display packing embodiment flow chart of the present invention;
Fig. 3 is a business state information sending method embodiment flow chart of the present invention;
Fig. 4 sends and display packing embodiment one signaling process figure for business state information of the present invention;
Fig. 5 sends and display packing embodiment two signaling process figure for business state information of the present invention;
Fig. 6 sends and display packing embodiment three signaling process figure for business state information of the present invention
Fig. 7 sends and display packing embodiment four signaling process figure for business state information of the present invention;
Fig. 8 sends and display packing embodiment five signaling process figure for business state information of the present invention;
Fig. 9 is subscriber terminal equipment embodiment one structural representation of the present invention;
Figure 10 is subscriber terminal equipment embodiment two structural representations of the present invention;
Figure 11 is Service Processing Unit embodiment one structural representation of the present invention;
Figure 12 is Service Processing Unit embodiment two structural representations of the present invention.
Embodiment
Further specify the technical scheme of the embodiment of the invention below in conjunction with accompanying drawing and specific embodiment.
Fig. 1 presents network architecture embodiment sketch map for IPTV service condition of the present invention; As shown in Figure 1; Comprise in this network architecture that observer's user terminal, IPTV service condition report entity and IPTV state to present Service Processing Unit; Wherein, Observer's user terminal is used to send IPTV service condition subscribe request, send IPTV service condition historical information subscribe request, send video-see/preview request to IPTV service condition appointed program, send and obtain the appointed program buddy list request of watching, and other is based on the enhancing application request of IPTV business state information; And reception and process IP TV state present the notification message of the IPTV service condition that Service Processing Unit sends.Observer's user terminal can be IPTV user terminal or IMS user terminal, and the E1 interface protocol that the IPTV state appears between the Service Processing Unit includes but not limited to Session Initiation Protocol, http protocol, other standard agreements or proprietary protocol.
The IPTV state presents Service Processing Unit and is used to handle IPTV business state information subscribe request and IPTV service condition historical information subscribe request that observer's user terminal sends, is used to receive and preserve IPTV service condition essential information, program recommendation information, the program description that the IPTV service condition reports entity to report; Be used to send IPTV service condition details and IPTV service condition historical information and give observer's user terminal, IPTV service condition details comprise above-mentioned IPTV service condition essential information, program recommendation information and program description.The IPTV service condition essential information that the IPTV state presents Service Processing Unit storage comprises but is not limited to BC channel identication, BC program identification, CoD content identification, nPVR content identification, user-generated content (Consumer Originated Video; Hereinafter to be referred as: content identification CoV), game service sign etc.The IPTV state presents Service Processing Unit can be positioned at existing network entity or newly-increased network entity, like state showing server, network application server, business control function body etc.
The IPTV service condition reports entity can be used to be provided with IPTV service condition details reporting policy, and filters according to reporting policy, selectively reports IPTV service condition details; Can be used for setting and report IPTV service condition details to subscribe to strategy; Can be used to be provided with and report program recommendation information to current IP TV program; Be used to report IPTV service condition details.The IPTV service condition reports entity can be positioned at IPTV user terminal or network entity; Like business control function body, media function entity, resource access control subsystem etc., and the E2 interface protocol that the IPTV state appears between the Service Processing Unit includes but not limited to Session Initiation Protocol, http protocol, other standard agreement or proprietary protocol.
Fig. 2 is a business state information display packing embodiment flow chart of the present invention, and is as shown in Figure 2, and this method comprises:
When observer's user terminal need be checked IPTV service condition details or the IPTV service condition historical information of certain user terminal; Can present Service Processing Unit to the IPTV state and send subscribe request; The difference of the information that is pulled subscription according to observer's user terminal, the subscribe request of transmission are also different.Subscribe request comprises following type, and a kind of subscribe request comprises the identify label to subscription indication information and the said person's of being observed user terminal of service condition details or service condition historical information; Another kind of subscribe request comprises the identify label to subscription indication information and the said person's of being observed user terminal of service condition details and service condition historical information; And when observer's user terminal need be checked the IPTV service condition historical information of a certain period of the person's of being observed user terminal; Can also in the subscribe request to the service condition historical information, carry the time period indication information of subscribing service state historical information, indication will be subscribed to short interior IPTV service condition historical information of this time.
That is to say that observer's user terminal can initiate IPTV service condition details subscription procedure, can also initiate IPTV service condition historical information subscription procedure.When observer's user terminal is initiated IPTV service condition details subscription procedure; Comprise to the subscription indication information of IPTV service condition details and the person's of being observed identify label in " SIP SUBSCRIBE " request of sending that subscribing to indication information can be " Event " header field incident value to be set be " iptvpresence ".Observer's user terminal receives the IPTV state and presents Service Processing Unit according to the notification message that the subscribe request of IPTV service condition details is sent; Said notification message comprises IPTV service condition details said observer's user terminal, corresponding with said subscribe request; Described IPTV service condition details comprise IPTV service condition essential information, the person of being observed recommendation information and/or the program description to program, and described IPTV service condition essential information is existing not through the information of the IPTV service condition of expansion; Described program recommendation information is the recommendation descriptor of the person of being observed to seeing program, and comprising the program identification information of recommended show and the user evaluation information to this program, for example " assemble number is worth watching said evaluation information very much! " etc.; Described program description is sent the detailed description information about specific program for the IPTV state presents Service Processing Unit to observer's user terminal, like program grade, the personal information etc. of taking part in a performance.Above-mentioned existing IPTV service condition essential information and program recommendation information and/or program description have been formed IPTV service condition details jointly.Through sending the expansion of information, enriched the IPTV business state information, the information that makes user terminal receive is more detailed, improves service quality.
Only subscribed at observer's user terminal under the situation of IPTV service condition details; In same subscription conversation procedure once; Observer's user terminal can present the update notification message that Service Processing Unit sends through receiving the IPTV state, obtains the current service condition details of the person's of being observed user terminal.
When observer's user terminal is initiated IPTV service condition historical information subscription procedure; Independently IPTV service condition historical information subscription procedure can be initiated, IPTV service condition historical information subscription procedure can also be when initiating IPTV service condition details subscription procedure, initiated.Observer's user terminal is initiated in the IPTV service condition historical information subscription procedure to the person's of being observed user terminal; Send " SIP SUBSCRIBE " request; Indicating through identify label in the request is the IPTV service condition historical information subscription to this person's of being observed user terminal, and subscribing to indication information can be " iptvpresencelist " for expansion " Event " header field incident.Further can also indicate the time period of IPTV service condition historical information; Such as intraday historical information, historical information in the week; Or the historical information in previous week etc.; Do not indicate that the time period then is defaulted as the term of validity of IPTV service condition details or according to the decision of system local policy, this can realize through the header field in expansion " SUBSCRIBE " request, such as " Duration " header field of increase; Comprise " begin " and " end " two parameters, be respectively applied for zero-time and concluding time are set; Perhaps in " Event " incident header field, comprise one can the fixed time section parameter.Observer's user terminal receives the IPTV state and presents Service Processing Unit according to the notification message that the subscribe request of service condition historical information is sent, said notification message comprise said observer's user terminal, with said subscribe request corresponding service state historical information.
Observer's user terminal is when initiating IPTV service condition details subscription initial session; Comprise subscription simultaneously to IPTV service condition historical information; Send " SIP SUBSCRIBE " request; Indicating the IPTV service condition historical information that comprises the person's of being observed user terminal in the request subscribes to; Subscribing to indication information can be that expansion " Event " incident header field incident is " iptvpresence+iptvpresencelist ", and to indicate be the subscription to the free interior IPTV service condition historical information of institute.Subscribed to when observer's user terminal under the situation of IPTV service condition details and IPTV service condition historical information; Observer's user terminal will at first receive the IPTV state and present Service Processing Unit according to first notification message that the subscribe request of service condition details and service condition historical information is sent and preservation, and said first notification message comprises the IPTV service condition details and the said service condition historical information of IPTV of the said person's of being observed user terminal; Then will receive second notification message that the IPTV state presents the Service Processing Unit transmission in the conversation procedure with once subscribing to; The IPTV service condition details that the said person's of the being observed user terminal that comprises in said second notification message upgrades, but do not comprise the said service condition historical information of IPTV; Observer's user terminal is according to the said service condition historical information of the said service condition details that comprise in said second notification message with previous said observer's user terminal of preserving then; Form the service condition historical information complete, that process is upgraded of the said person's of being observed user terminal, and preserve.
Observer's user terminal receives " SIP NOTIFY " notification message, and does different disposal according to the content that subscribe request and message text carry.When observer's user terminal is initiated IPTV service condition historical information subscription procedure, and when only carrying IPTV service condition historical information in the notification message text, observer's user terminal receives and also shows IPTV service condition historical information; When observer's user terminal is initiated IPTV business state information subscription procedure, and when only carrying the IPTV business state information in the notification message text, observer's user terminal receives and also shows the IPTV business state information.
When observer's user terminal is initiated IPTV service condition details subscription procedure; And carried IPTV service condition historical information simultaneously and subscribed to indication; And IPTV service condition details had both been carried in the notification message text for the first time; When carrying IPTV service condition historical information again, observer's user terminal is preserved IPTV service condition details and IPTV service condition historical information, but does not show IPTV service condition historical information; And preserve the IPTV service condition details of the renewal of carrying in the follow-up NOTIFY notification message, synthetic complete, IPTV service condition historical information through upgrading with the IPTV service condition historical information of preserving before.Afterwards; Observer's user terminal can be according to the internal request information of the IPTV service condition historical information that shows the said person's of being observed user terminal; Show said IPTV service condition historical information; Said internal request information comprises the said person's of being observed user terminal identity sign, can have the user to operate and generate said internal request information; Can also comprise the time period indication information that shows IPTV service condition historical information in the said internal request information, user terminal shows the corresponding person's of being observed IPTV service condition historical information according to the time period indication information.That is to say; Watch in the process afterwards; When observer's user terminal is initiated the IPTV service condition historical information query script to certain the appointment person of being observed user terminal; What send is an internal request, and the identify label of carrying the person's of being observed user terminal in the request further can be carried IPTV service condition historical information time period of required inquiry; Observer's user terminal returns corresponding IPTV service condition historical information according to the identify label and the time period information of the person's of the being observed user terminal in the request, and shows.Observer's user terminal described in each embodiment can be the IPTV terminal.
Further, observer's user terminal can also show the program description of the said person's of the being observed user terminal that comprises in the notification message that sends according to subscribe request; Can also be according to the service condition essential information of the said person's of the being observed user terminal that comprises in the said notification message, at local electronic program guides (Electronic Programme Guide; Hereinafter to be referred as: EPG) or network obtain the program description of the said person's of being observed user terminal, and show said program description.Know that according to the said service condition details that comprise in the said notification message the said person's of being observed user terminal is using live broadcast service; Then obtain the playlist in this channel, and upgrade program identification according to said playlist according to the direct broadcast band sign that comprises in the said notification message.
Particularly, when having carried the IPTV program description in the notification message text, observer's user terminal displays program description; When not carrying the IPTV program description in the notification message text, observer's user terminal can obtain corresponding program description and demonstration from local EPG or network according to the IPTV service condition essential information of carrying in the message.When the IPTV service condition essential information of carrying in the NOTIFY text indicates the person's of being observed user terminal and is using live broadcast service; Observer's user terminal obtains playlist in the channel according to the direct broadcast band sign of carrying in the message; Obtain the mode of playlist in the channel and can pass through prior art, for example from local EPG menu, obtain.If after the person's of being observed user terminal channel program map changed, observer's user terminal did not receive the update notification message about the person's of being observed user terminal, then observer's user terminal is according to cannel broadcast list update program identification.
Observer's user terminal can also be done some enhancing application based on receiving IPTV service condition details; Include but not limited to watch/the preview appointed program based on IPTV service condition details; Comprise BC programme content, CoD content, CoV content, game content etc., watch the appointed program buddy list based on good friend's IPTV service condition details inquiry.When IPTV service condition details based on the good friend; When observer's user terminal is initiated the watching of its appointed program/preview process; For example through the program identification of clicking the good friend, good friend's program recommendation information, observer's user terminal sends and watches/preview request, such as " SIP INVITE "; And in request, carry the channel identication or the content identification of the appointment of IPTV service condition details; Or the public service identity PSI that obtains according to IPTV service condition details, network processes is watched/preview request, the returned content Media Stream.
When watching the buddy list of appointed program based on good friend's IPTV service condition details inquiry; Observer's user terminal can send the assigned ip TV program buddy list request of watching; For example send the buddy list request of watching this program of checking, or send the buddy list request of watching same program with the user of checking, based on the IPTV service condition details of observer's user terminal preservation through clicking the IPTV program identification triggering user terminal that shows in the buddy list; This request can be a terminal inner request; Carry the IPTV program identification in the request, observer's user terminal filters according to the program identification in the request message, from the good friend IPTV service condition details of preserving, filters out the identical good friend of program identification; The buddy list of appointed program is watched in generation, and is presented on observer's user terminal.
Observer's user terminal can also send watches appointed program buddy list query requests to resource list server, and in request, carries the buddy list indication of watching appointed program, for example sends " SIPSUBSCRIBE " request, or " HTTP GET " request; Request is routed to resource list server; Program identification in resource list server identification request event and the request; Preserve program identification, and send respectively and present Service Processing Unit for the IPTV state to " SIP SUBSCRIBE " subscribe request of each good friend, the IPTV state presents the IPTV service condition notification message " SIP NOTIFY " that Service Processing Unit returns each good friend; Resource list server receives each good friend's IPTV business state information; And according to the program identification of preserving, good friend IPTV service condition details are mated, return the buddy list of watching assigned ip TV program and give user terminal.
Because the IPTV state presents Service Processing Unit and will return corresponding information according to the subscribe request of observer's user terminal, therefore presenting Service Processing Unit at the IPTV state will store IPTV service condition details and IPTV service condition historical information about the person's of being observed user terminal.User terminal can present the program recommendation information that Service Processing Unit sends the program identification that comprises recommended show to the IPTV state, promptly reports the program recommendation information to current IP TV program, further reports program description.Particularly, the user reports the program recommendation information of watching program to current through the button for example of the setting on the terminal, and this moment, this user terminal was as the person's of being observed user terminal.User terminal sends " SIPPUBLISH " request and presents Service Processing Unit for the IPTV state, and in the request text, carries the program recommendation information to current program, such as at extend markup language (The Extensible MarkupLanguage; Be called for short: XML) describe as follows in the file:
<?xml?version＝’1.0’encoding＝’UTF-8’?>
<presence?xmlns＝”urn:ietf:params:xml:ns:pidf”
entity＝”pres:useriptv.example.com”>
<tuple?id＝”sg89ae”>
<status>
<CurrentCoDContentID>heroiptv.sp.com</CurrentCoDContentID>
</status>
</tuple>
<note>Assembly is worth to wach</note>Recommend current C oD program
</presence>
What should explain is that user terminal can report the program recommendation information to current program in any moment of watching program, comprises the program identification of recommended show in this program recommendation information and to said programs recommended evaluation information.
User terminal, will carry out reporting policy earlier and filter before transmission " SIP PUBLISH " message reports as the person's of being observed user terminal, only reports the IPTV service condition details that meet reporting policy to present Service Processing Unit for the IPTV state.Reporting policy can be that the user is provided with in advance, such as the interface being set through the IPTV service condition reporting policy that starts on the terminal, setting can/program contents that can not report, can/the IPTV service condition details that can not report etc., and be kept at user terminal.Start IPTV service condition reporting policy such as the user interface is set; Reporting policy is set for all observers are not sent program identification; Then user terminal filters according to reporting policy, in the text of " SIP PUBLISH " request message, does not carry the IPTV program identification.Further the IPTV service condition reports entity can also report the descriptor of current program to present Service Processing Unit for the IPTV state; Such as program title, featured performer etc., it can be user terminal, service control function SCF, media function MF etc. that the IPTV service condition of this moment reports entity.
The IPTV state presents the Service Processing Unit reception and preserves program recommendation information, further preserves program description, and the IPTV service condition details of carrying in the text according to " SIP PUBLISH " request message generate historical information.
The IPTV state presents Service Processing Unit reception IPTV service condition and reports entity to send " SIPPUBLISH " request; Preserve the business program recommendation information that carries in the request; Further preserve the program description of carrying in the request; For example presenting data model according to state in existing array (tuple); Expand an element that indicates the business program recommendation information, further expand the element that indicates program description, comprise following element like expansion in " CoDServicePresence " element:
" CurrentCoDContentCommend "-indicate recommendation to the request program of watching;
" CurrentCoDContentTitle "-indicate request program title of watching;
" CurrentCoDContentPlayer "-indicate request program featured performer of watching.
Simultaneously; The IPTV state presents Service Processing Unit when reception IPTV service condition reports " PUBLISH " request of entity transmission; The IPTV service condition essential information of carrying in " PUBLISH " request text is preserved in requirement according to certain strategy; Further comprise program recommendation information and program description, this strategy can be the time cycle, such as one month or a week etc.Be that the IPTV state presents Service Processing Unit when receiving " SIP PUBLISH " request, the IPTV service condition details that receive before not covering or abandoning form the IPTV service condition historical information in the certain hour cycle.
In the business state information display packing that the embodiment of the invention provides; Can check IPTV service condition historical information; And can the display program title etc. program description in detail, through expansion IPTV service condition essential information, for the user provides more complete more detailed business state information; And network sends a large amount of notification messages and causes Internet traffic excessive phenomenon of moment can avoid occurring the channel program map and change the time.Can also include but not limited to appointed program carried out video-see and checks enhancing application such as watching the same program buddy list based on IPTV service condition details based on IPTV service condition details, improve QoS based on IPTV service condition details.
Fig. 3 is a business state information sending method embodiment flow chart of the present invention, and is as shown in Figure 3, and this method comprises:
Step 200 receives subscribe request, and said subscribe request comprises the identify label of the said person's of being observed user terminal and observer's user terminal, and to the subscription indication information of IPTV service condition details and/or IPTV service condition historical information;
The IPTV state presents Service Processing Unit and receives the subscribe request that observer's user terminal sends; Said subscribe request comprises following type; A kind of subscribe request for pull subscription service condition details or service condition historical information, another kind of subscribe request for pull subscription service condition details and service condition historical information.In subscribe request, comprise two signs; Be respectively the identify label of the person's of being observed user terminal and the identify label of observer's user terminal; Wherein the identify label of observer's user terminal is used to inform the IPTV state presents which user terminal of Service Processing Unit and sends this subscribe request, and the identify label of the person's of being observed user terminal is used to inform that the IPTV state presents the business state information of which user terminal of Service Processing Unit request.
After the IPTV state presents Service Processing Unit and receives the subscribe request that observer's user terminal sends, be correspondingly processed according to the type of this subscribe request.
When observer's user terminal is initiated the subscribe request to the IPTV service condition details of the person's of being observed user terminal; The IPTV state presents the said subscription indication information of Service Processing Unit according to subscribing service state details; Send the 3rd notice message, said the 3rd notice message comprises the identify label corresponding service state details with the said person's of being observed user terminal; Then; If the program identification that the service condition change information that reports entity to report according to the received person of being observed IPTV service condition carries; Judge that the program identification that carries with the preceding service condition change information that once receives belongs to same channel, then judges observer's type of user terminal, if the IMS user terminal; Then send four-way to the IMS user terminal and know message, said four-way knows that message comprises the service condition details that the said person's of being observed user terminal upgrades; If the IPTV user terminal does not then send said four-way and knows message.
Particularly; When observer's user terminal is initiated IPTV service condition details subscription procedure; Indicating pair subscription of IPTV service condition details in " SIP SUBSCRIBE " request of sending, is " iptvpresence " such as " Event " event header thresholding is set; The IPTV state presents " Event " incident in the Service Processing Unit identification request, sends " SIP NOTIFY " notification message and gives observer's user terminal, carries IPTV service condition details in the message text.It should be noted that; The IPTV state presents Service Processing Unit when follow-up transmission " NOTIFY " update notification message; If the IPTV state presents program identification and the previous program identification that Service Processing Unit carries and belongs to a channel identication from " PUBLISH " updating message that the person of being observed IPTV service condition reports entity to receive; Then the IPTV state presents Service Processing Unit and can select send or not send " NOTIFY " update notification message according to observer's user terminal situation; Promptly when observer's user terminal is the IMS user terminal, send " SIPNOTIFY " update notification message, when observer's user terminal is the IPTV user terminal, do not send " SIPNOTIFY " update notification message.
When observer's user terminal is initiated the subscribe request to the IPTV service condition historical information of the person's of being observed user terminal; Said subscription indication information according to the subscribing service state historical information; Send identify label corresponding service state historical information with the said person's of being observed user terminal; Or, send and the interior service condition historical information of indication information time corresponding section of corresponding, said time period of the identify label of the said person's of being observed user terminal according to the said subscription indication information and the time period indication information of subscribing service state historical information.Particularly; The IPTV state presents Service Processing Unit and receives the subscribe request that user terminal sends; " Event " header field in the inspection request, identification subscription incident is after authentication is passed through; Transmission is carried " SIP NOTIFY " message of the IPTV service condition historical information in the fixed time scope and is given observer's user terminal, and observer's user terminal receives and demonstration IPTV service condition historical information.
When observer's user terminal is initiated the subscribe request to the IPTV service condition details of the person's of being observed user terminal and IPTV service condition historical information; Said subscription indication information according to subscribing service state details and service condition historical information; Send first notification message, said first notification message comprises identify label corresponding service state details and the service condition historical information with the said person's of being observed user terminal; Also will send second notification message then, said second notification message comprises service condition details corresponding with the identify label of the said person's of being observed user terminal, that upgrade.Particularly, the IPTV state presents the subscribe request that Service Processing Unit reception user terminal sends, " Event " header field in the inspection request message, the subscription incident in the identification request, the subscription session between foundation and the observer's user terminal; The IPTV state presents Service Processing Unit after authentication is passed through; Transmission is carried " SIP NOTIFY " message of IPTV service condition historical information and current IP TV service condition details and is given observer's user terminal; And only carry current IP TV service condition details in follow-up " SIP NOTIFY " update notification in same subscription session and give observer's user terminal, no longer carry IPTV service condition historical information only.
The business state information sending method that the embodiment of the invention provides; Can send IPTV service condition historical information or send expansion IPTV service condition details according to subscribe request; For the user provides more complete more detailed business state information, improve QoS; And network sends a large amount of notification messages and causes Internet traffic excessive phenomenon of moment can avoid occurring the channel program map and change the time.
Fig. 4 sends and display packing embodiment one signaling process figure for business state information of the present invention; Present embodiment is initiated specifying good friend's IPTV service condition historical information query script for observer's user terminal, and observer's user terminal receives and show appointment good friend's IPTV service condition historical information.Observer's user terminal carries the indication of IPTV service condition historical information in the present embodiment in subscribe request when initiating subscription procedure, and view procedure is realized by terminal inner.The IPTV state showing server presents the service condition processing unit as the IPTV state among the figure, and is as shown in Figure 4, and this method comprises the steps:
Step 1a, observer's user terminal initiate IPTV service condition details subscribe request, set up session;
Step 2a; Observer's user terminal sends " SUBSCRIBE " request; And in request, carry IPTV service condition details and subscribe to indication information and IPTV service condition historical information subscription indication information, for example in " Event " header field, be provided with " iptvpresence+iptvpresencelist ";
Step 3a, " SUBSCRIBE " request is routed to the IPTV state showing server via the IMS core net;
Step 4a, the IPTV state showing server is discerned observer's user identity, and the observer is carried out identification authentication;
Step 5a, after authentication is passed through, the event identifier in IPTV state showing server identification " SUBSCRIBE " request, and in " NOTIFY " notification message that sends for the first time, carry IPTV service condition details and all IPTV service condition historical informations;
Step 6a, " NOTIFY " notification message is routed to observer's user terminal via the IMS core net;
Step 7a, observer's user terminal receive and preserve IPTV service condition details and the IPTV service condition historical information in " NOTIFY " notification message;
Step 8a; The IPTV state showing server receives the IPTV service condition lastest imformation that the IPTV service condition reports entity to report; " NOTIFY " notification message second time that sends in the session is given observer's user terminal, and in message text, only carries up-to-date IPTV service condition details; The IPTV state showing server is all only carried up-to-date IPTV service condition details in " NOTIFY " notification message in the session afterwards;
Step 9a, observer's user terminal receive and preserve the IPTV service condition details in " NOTIFY " notification message, update displayed, and upgrade IPTV service condition historical information;
Step 10a, observer initiate to specify good friend's IPTV service condition historical information query requests, and can in request, carry time period information, such as in the week, the previous day etc., this request is an internal request;
Step 11a, the good friend's identify label in observer's user terminal identification request is returned the IPTV service condition historical information in the fixed time section, and is shown.
What should explain is; The observer can also directly initiate IPTV service condition historical information query requests in the present embodiment; Send " SIP SUBSCRIBE " request; And in request, carry the indication of IPTV service condition historical information, and be " iptvpresencelist " such as " Event " header field is set, the IPTV state showing server receives and should ask; Authentication through after return " NOTIFY " notice of carrying IPTV service condition historical information and give observer's user terminal, and only send once " NOTIFY " notification message.
Fig. 5 sends and display packing embodiment two signaling process figure for business state information of the present invention; Present embodiment receives for observer's user terminal and demonstration good friend IPTV service condition details; When the good friend saw that the channel program map changes, observer's user terminal upgraded the demonstration of program identification, and the IPTV state showing server presents the service condition processing unit as the IPTV state among the figure; As shown in Figure 5, this method comprises the steps:
Step 1b, the person's of being observed user terminal channel program map changes;
Step 2b, the person's of being observed user terminal to send up IPTV service condition lastest imformation is sent " SIPPUBLISH " message, and in message text, is carried the program identification after the renewal;
Step 3b, " PUBLISH " message is routed to IPTV Presence Server via IMS Core;
Step 4b, the IPTV state showing server preserve " PUBLISH ' program identification that carries in the message text, the identification person of being observed does not have switching channels, and selects to send or do not send " NOTIFY " notification message according to observer terminal situation;
Step 5b, the IPTV state showing server is sent " SIP NOTIFY " and is given the IMS user terminal;
Step 6b; Observer IPTV user terminal obtains the playlist of channel that the person of being observed sees from local EPG; After program changed, if do not receive " SIP NOTIFY " update notification, then observer's user terminal upgraded program identification automatically according to the cannel broadcast tabulation.
What should explain is that observer IPTV user terminal can also obtain the cannel broadcast tabulation from network.
Fig. 6 sends and display packing embodiment three signaling process figure for business state information of the present invention; Present embodiment receives good friend's IPTV service condition essential information and program description for observer's user terminal; Such as program title, featured performer etc.; The IPTV state showing server presents the service condition processing unit as the IPTV state among the figure, and is as shown in Figure 6, and this method comprises the steps:
Step 1c; The person of being observed IPTV service condition reports entity (presentity) to report IPTV service condition details; Send " SIP PUBLISH " message; And in message text, carry IPTV service condition essential information, and the IPTV program description, such as information such as program title, featured performers;
Step 2c, " PUBLISH " message is routed to the IPTV state showing server via the IMS core net;
Step 3c; The IPTV state showing server receives and preserves the IPTV service condition essential information and the program description of carrying in " PUBLISH " message text; Promptly can present data model according to state; Element among the expansion tuple, do as follows such as expansion " CoDServicePresence " element:
" CurrentCoDContentTitle "-indicate request program title of watching;
" CurrentCoDContentPlayer "-indicate request program featured performer of watching;
Step 4c, the IPTV state showing server is sent " SIP NOTIFY " notification message, and in message text, carries IPTV service condition essential information and program description;
Step 5c, " NOTIFY " message is routed to observer's user terminal via the IMS core net;
Step 6c, observer's user terminal receive and demonstration IPTV service condition essential information and program description.
What should explain is in the present embodiment; If the person of being observed IPTV service condition reports entity not report program description; Then observer's user terminal can be when receiving IPTV service condition essential information, obtains program description and be presented at the terminal from local EPG or network according to the program identification of IPTV service condition essential information appointment.
Fig. 7 sends and display packing embodiment four signaling process figure for business state information of the present invention; Present embodiment is that observer's user terminal is based on the good friend IPTV service condition details that show; Initiation is watched or the preview process its appointed program, shows good friend IPTV service condition details appointed program content, and the IPTV state showing server presents the service condition processing unit as the IPTV state among the figure; As shown in Figure 7, this method comprises the steps:
Step 1d, the IPTV state showing server is sent " SIPNOTIFY " notification message that carries IPTV service condition details and is given observer's user terminal;
Step 2d, observer's user terminal receive and demonstration IPTV service condition details;
Step 3d; Observer's user terminal is based on good friend's IPTV service condition details; Initiation is specified watching or the preview process of good friend IPTV service condition details appointed program to certain, such as passing through to click program identification or the program recommendation information in the IPTV service condition details;
Step 4d; Observer's user terminal sends " SIP INVITE " message request; Carry IPTV service condition details in " SIP INVITE " request; Such as channel identication, program identification etc., or carry according to IPTV service condition details from this locality or the public service identity PSI that obtains of network;
Step 5d, network receive and handle and watch or preview request, return program media stream;
Step 6d, observer's user terminal received content Media Stream.
What should explain is that this embodiment is applicable to the BC program of watching the good friend, CoD content, CoV content, game content etc.
Fig. 8 sends and display packing embodiment five signaling process figure for business state information of the present invention; Present embodiment is the IPTV service condition details of observer based on the good friend; Obtain the buddy list of watching same program; The IPTV state showing server presents the service condition processing unit as the IPTV state among the figure, and is as shown in Figure 8, and this method comprises the steps:
Step 1e; Observer's user terminal is based on buddy list, and the good friend IPTV service condition details that show, initiates the buddy list view procedure of watching appointed program; The request of appointed program buddy list is watched in transmission; Such as can being " SIP SUBSCRIBE " request or " HTTP GET " request, and in request, carry appointed program sign, indicating is to watching the query event of appointed program buddy list;
Step 2e, the buddy list that resource list server identification request event is watched appointed program for inquiry is preserved the program identification of appointment, and initiates the IPTV service condition subscription procedure to each good friend of observer;
Step 3e, resource list server send " SIP SUBSCRIBE " request and give the IPTV state showing server;
Step 4e, the IPTV state showing server is sent IPTV service condition notice after authentication is passed through;
Step 5e, the IPTV state showing server is sent " SIP NOTIFY " and is given resource list server;
Step 6e, resource list server receipt status notification message is resolved message text, and matees according to the program identification of preserving, and obtains the buddy list of watching appointed program;
Step 7e, resource list server send and watch appointed program buddy list Query Result to give observer's user terminal;
Step 8e, observer's user terminal receive and the demonstration Query Result.
What should explain is that observer's user terminal can also be when receiving good friend's IPTV service condition notification message in the present embodiment; Preserve good friend's IPTV service condition details; When user terminal initiates to watch appointed program buddy list query script; Handle request by terminal inner, the matching inquiry result returns the inquiry list.
More than in the method that provides of each embodiment, can check IPTV service condition historical information, and can the display program title etc. program description in detail, for the user provides more complete more detailed business state information; And network sends a large amount of notification messages and causes Internet traffic excessive phenomenon of moment can avoid occurring the channel program map and change the time.The method observer's user terminal that provides through present embodiment can obtain more detailed program description, such as program title, featured performer etc.; Based on the IPTV service condition details of the person's of being observed user terminal, observer's user terminal can be watched the program video content of its IPTV service condition details appointment; Observer's user terminal can be checked the IPTV service condition historical information in the person's of being observed user terminal a period of time; Observer's user terminal can obtain the buddy list of watching same program based on the IPTV service condition details of the person's of being observed user terminal; The person of being observed hopes to utilize IPTV service condition details to recommend current program to the observer; Network can be recommended its possibility programs of interest to the user based on user's IPTV service condition historical information in the recommendation business, improves QoS.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Fig. 9 is subscriber terminal equipment embodiment one structural representation of the present invention; As shown in Figure 9; This equipment comprises first receiver module 11 and display module 12; Wherein first receiver module 11 is used to receive the notification message that sends according to subscribe request; Said notification message comprises the IPTV service condition details and/or the IPTV service condition historical information of the person's of being observed user terminal, and said IPTV service condition details comprise IPTV service condition essential information, also comprise program recommendation information and/or program description; Display module 12 is used for showing said IPTV service condition details and/or IPTV service condition historical information according to the said subscribe request of sending.
Particularly; First receiver module 11 receives the IPTV state and presents the notification message that the service condition processing unit sends; This notification message is that the IPTV state presents the service condition processing unit and generates according to the subscribe request of subscriber terminal equipment; According to the information that subscriber terminal equipment pulled subscription; The IPTV state presents the service condition processing unit and in notification message, carries corresponding information, this information comprise subscriber terminal equipment the service condition details and/or the service condition historical information of the person's of the being observed user terminal that will check; After receiving the service condition details and/or service condition historical information of the person's of being observed user terminal as observer's subscriber terminal equipment, according to the subscribe request of being sent the notification message content that receives is shown by display module 12.The IPTV state presents the service condition processing unit when sending a notification message according to subscribe request; Can in notification message, increase some information; For example comprise program recommendation information and/or program description, to enrich the demonstration of user terminal to the person's of being observed service condition.The IPTV service condition details that the IPTV state presents the transmission of service condition processing unit comprise IPTV service condition essential information; And program recommendation information and/or program description, said recommendation information comprises programs recommended program identification and the user evaluation information to this program.
Figure 10 is subscriber terminal equipment embodiment two structural representations of the present invention; Shown in figure 10; This equipment comprises first receiver module 11 and display module 12; Difference according to subscribe request; First receiver module 11 comprises that corresponding module carries out the reception work of different information, and first receiver module 11 comprises that first receives submodule 111, second and receive submodule 112 or the 3rd and receive submodule 113, wherein first receives submodule 111 and is used to receive the said IPTV service condition details of sending according to the subscribe request of IPTV service condition details; Second receives submodule 112 is used to receive the said IPTV service condition historical information of sending according to the subscribe request of IPTV service condition historical information; The 3rd receives submodule 113 is used to receive the said IPTV service condition details and the IPTV service condition historical information of sending according to the subscribe request of IPTV service condition details and IPTV service condition historical information.
Subscriber terminal equipment as the observer also should comprise first sending module 13 that is used to send said subscribe request, and said subscribe request comprises the identify label of subscribing to indication information and the said person's of being observed user terminal.When the user need check IPTV service condition details or the IPTV service condition historical information of the person's of being observed user terminal; Present the service condition processing unit through first sending module 13 to the IPTV state and send subscribe request; Comprise the subscription indication information in the subscribe request, this subscription indication information can inform the IPTV state appear service condition processing unit observer user terminal what will pull subscription is the information of what type; Request IPTV state appear the service condition processing unit send with subscribe request in the corresponding IPTV business state information or the IPTV service condition historical information of identify label of the person's of being observed user terminal of comprising.Because the information that is pulled subscription is formed different; First sending module 13 comprises that first sends submodule 131, second and send submodule 132 or the 3rd and send submodule 133, wherein first sends submodule 131 and is used to send and comprises the subscription indication information of IPTV service condition details and the subscribe request of said identify label; The second transmission submodule 132 is used to send and comprises the subscription indication information of IPTV service condition historical information and the subscribe request of said identify label; The 3rd transmission submodule 133 is used to send and comprises IPTV service condition details and the subscription indication information of IPTV service condition historical information and the subscribe request of said identify label.
Subscriber terminal equipment in the present embodiment comprises that also second sending module 14 is used for presenting Service Processing Unit to state and sends IPTV service condition details and/or IPTV service condition historical information.When the subscriber terminal equipment conduct person of being observed user terminal, it will present the service condition processing unit to the IPTV state and send service condition details and/or the service condition historical information of self, checks for other observer's user terminal.Subscriber terminal equipment is when the reporting service state information; Can use the reporting policy that is used for according to predetermined the information that business state information carries out 15 pairs of transmissions of filtering module of filtration treatment is carried out filtration treatment; IPTV business state information reporting policy can be set; And filter according to reporting policy, selectively report the IPTV business state information.Service condition details that subscriber terminal equipment reports and service condition historical information can be stored in first memory module 16.
Can also comprise in the subscriber terminal equipment that present embodiment provides that program identification update module 17 is used for the program identification in the channel is upgraded.Particularly, program identification update module 17 comprises recognin module 171, obtains submodule 17 and updating submodule 173, and wherein recognin module 171 is used for identification and sends said notification message mid band sign and program identification; Obtain submodule 172 and be used to receive said channel identication and program identification, obtain the cannel broadcast tabulation, send the program identification after changing from network or this locality; The program identification that updating submodule 173 is used to use after the said variation upgrades the program identification in the said channel.
The subscriber terminal equipment that present embodiment provides can be IPTV user terminal or IMS user terminal; Can send corresponding subscribe request according to user's different service needs; And showing that the IPTV state that receives presents the notification message content of service condition processing unit according to the correspondence of subscribe request transmission, the business information content is abundanter; Observer's user terminal can obtain more detailed program description, such as program title, featured performer etc.; Observer's user terminal can be checked the IPTV service condition historical information in the person's of being observed user terminal a period of time, and QoS is provided.
Figure 11 is Service Processing Unit embodiment one structural representation of the present invention; Shown in figure 11; This Service Processing Unit is the IPTV state and presents the service condition processing unit and comprise second receiver module 21 and the 3rd sending module 22; Wherein second receiver module 21 is used to receive subscribe request; Said subscribe request comprises the identify label of the said person's of being observed user terminal and observer's user terminal, and to the subscription indication information of IPTV service condition details and/or IPTV service condition historical information; The 3rd sending module 22 is used for the identify label according to said subscription indication information and said observer's user terminal; Send IPTV service condition details corresponding and/or IPTV service condition historical information with the identify label of the said person's of being observed user terminal; Said IPTV service condition details comprise IPTV service condition essential information, also comprise program recommendation information and/or program description.
Particularly; After second receiver module 21 in the Service Processing Unit receives the subscribe request that subscriber terminal equipment sends; In institute's canned data, search the information corresponding according to the subscription indication information that comprises in the subscribe request with the identify label of the person's of being observed user terminal; And the IPTV service condition details of the person's of being observed user terminal that will find and/or IPTV service condition historical information send to the 3rd sending module 22; IPTV service condition details and/or IPTV service condition historical information by the 3rd sending module 22 is used the person's of the being observed user terminal that finds are formed notification message, and return to the observer's user terminal that sends subscribe request.
Figure 12 is Service Processing Unit embodiment two structural representations of the present invention; Shown in figure 12; This Service Processing Unit comprises second receiver module 21 and the 3rd sending module 22; Also comprise the IPTV service condition details and/or IPTV service condition historical information the 3rd receiver module 23 that are used to receive user terminal to send up, the service condition details of each user terminal of storage can be that the 3rd receiver module 23 that the applied business processing unit comprises receives; The 3rd receiver module 23 can also be used to receive program recommendation information and/or the program description that user terminal sends, and said program recommendation information comprises programs recommended program identification and the user evaluation information to this program.Also comprise second memory module 24 that is used to store said IPTV service condition details and IPTV service condition historical information in the Service Processing Unit; Wherein IPTV service condition details comprise IPTV service condition essential information; Also comprise recommendation information and program description, the IPTV service condition essential information of storage comprises but is not limited to BC channel identication, BC program identification, CoD content identification, nPVR content identification, CoV content identification, game service sign etc.
The Service Processing Unit that present embodiment provides can be handled subscription of IPTV service condition and the IPTV service condition historical information subscribe request that observer's user terminal sends; Can receive and preserve IPTV business state information, program recommendation information and the subscription strategy of user terminal to send up, can also send IPTV business state information and IPTV service condition historical information and give observer's user terminal.Service Processing Unit can be positioned at the existing network entity, or newly-increased network entity, like state server, network application server AS, business control function body etc.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (33)
1. business state information display packing is characterized in that comprising:
Send subscribe request, said subscribe request comprises the identify label of the subscription indication information of IPTV service condition details and IPTV service condition historical information, the person's of being observed user terminal and subscribes to the time period indication information of IPTV service condition historical information;
The notification message that reception is sent according to subscribe request; Said notification message comprises the IPTV service condition details and the IPTV service condition historical information of the person's of being observed user terminal; Said IPTV service condition details comprise IPTV service condition essential information; Also comprise program recommendation information and/or program description; Wherein, said IPTV service condition essential information comprises the content identification and the game service sign of BC channel identication, BC program identification, CoD content identification, nPVR content identification, user-generated content;
Said subscribe request according to sending shows said IPTV service condition details and IPTV service condition historical information;
Wherein, the notification message that said reception is sent according to subscribe request, said notification message comprises that the IPTV service condition details of the person's of being observed user terminal and IPTV service condition historical information comprise:
Receive the notification message that sends according to the subscribe request of IPTV service condition details and IPTV service condition historical information, said notification message comprises the said IPTV service condition details said person's of being observed user terminal, corresponding with said subscribe request and said IPTV service condition historical information.
2. business state information display packing according to claim 1 is characterized in that said transmission subscribe request comprises:
Send said subscribe request; Said subscribe request comprises said identify label and the said subscription indication information that carries through the header field event argument in the said subscribe request, and the said time period indication information that carries through the header field event argument in the said subscribe request or carry through newly-increased header field in the said subscribe request.
3. business state information display packing according to claim 1; It is characterized in that the notification message that said reception is sent according to subscribe request, said notification message comprises that the IPTV service condition details of the person's of being observed user terminal and IPTV service condition historical information comprise:
Receive according to first notification message that the subscribe request of IPTV service condition details and IPTV service condition historical information is sent and preservation, said first notification message comprises the said IPTV service condition details and the said IPTV service condition historical information of the said person's of being observed user terminal.
4. business state information display packing according to claim 3; It is characterized in that said reception according to first notification message that the subscribe request of IPTV service condition details and IPTV service condition historical information is sent and preservation, said first notification message comprises that the said IPTV service condition details of the said person's of being observed user terminal and said IPTV service condition historical information comprise afterwards:
Receive second notification message that sends according to the subscribe request of IPTV service condition details and IPTV service condition historical information, the IPTV service condition details that the said person's of the being observed user terminal that comprises in said second notification message upgrades;
According to the said IPTV service condition historical information of the said IPTV service condition details that comprise in said second notification message, form the new IPTV service condition historical information of the said person's of being observed user terminal with the previous said person's of being observed user terminal of preserving.
5. business state information display packing according to claim 4 is characterized in that said said subscribe request according to transmission, shows that said IPTV service condition details and IPTV service condition historical information also comprise:
Internal request information according to the IPTV service condition historical information that shows the said person's of being observed user terminal shows said IPTV service condition historical information, and said internal request information comprises the said person's of being observed user terminal identity sign.
6. business state information display packing according to claim 5; It is characterized in that said internal request information according to the IPTV service condition historical information that shows the said person's of being observed user terminal; Show said IPTV service condition historical information, said internal request information comprises that the said person's of being observed user terminal identity sign comprises:
Internal request information according to the IPTV service condition historical information that shows the said person's of being observed user terminal; Show said IPTV service condition historical information, said internal request information comprises the said person's of being observed user terminal identity sign and shows the time period indication information of said IPTV service condition historical information.
7. according to claim 5 or 6 described business state information display packings, it is characterized in that said the reception according to first notification message that the subscribe request of IPTV service condition details and IPTV service condition historical information is sent and before preserving comprises:
Send said subscribe request, said subscribe request comprises the subscription indication information of IPTV service condition details and IPTV service condition historical information and the identify label of the said person's of being observed user terminal.
8. business state information display packing according to claim 7; It is characterized in that the said subscribe request of said transmission, said subscribe request comprises the subscription indication information of IPTV service condition details and IPTV service condition historical information and the identify label of the said person's of being observed user terminal is comprised:
Send subscribe request, said subscribe request comprises said identify label and the said subscription indication information that carries through the header field incident in the said subscribe request.
9. business state information display packing according to claim 1 is characterized in that said method also comprises:
The said program description of the said person's of the being observed user terminal that comprises in the notification message of demonstration according to the subscribe request transmission; Or
According to the IPTV service condition essential information of the said person's of the being observed user terminal that comprises in the said notification message, obtain the program description of the said person's of being observed user terminal at local electronic program guides or network, and show said program description.
10. business state information display packing according to claim 1 is characterized in that said method also comprises:
Know that according to the said IPTV service condition details that comprise in the said notification message the said person's of being observed user terminal is using live broadcast service; Then obtain the playlist in this channel, and upgrade program identification according to said playlist according to the direct broadcast band sign that comprises in the said notification message.
11. business state information display packing according to claim 1 is characterized in that said method also comprises:
Based on said IPTV service condition details; Transmission is watched or previewing program requests for content information, and described request information comprises channel identication or the content identification of said IPTV service condition details appointment or the public service identity that gets access to according to said IPTV service condition details;
Receive the content media stream information that network based described request information is sent.
12. business state information display packing according to claim 1 is characterized in that said method also comprises:
Receive the solicited message of the buddy list of watching appointed program of user's transmission, described request information comprises the program identification of said appointed program;
In the good friend's who is preserved IPTV service condition details, search and generate the buddy list of watching appointed program according to said program identification.
13. business state information display packing according to claim 1 is characterized in that said method also comprises:
Send the solicited message of the buddy list watch appointed program to resource list server, described request information comprises that inquiry watches indication information and the program identification of appointed program of the buddy list of appointed program;
Said resource list server is resolved described request information, and accepting state presents the good friend's that subscribe request that Service Processing Unit sends according to said resource list server returns IPTV service condition details;
Said resource list server is according to the said program identification of preserving, and the said IPTV service condition details that present the good friend that Service Processing Unit returns are mated, and obtains said buddy list of watching appointed program.
14. business state information display packing according to claim 1 is characterized in that said method also comprises:
The IPTV service condition reports entity to present Service Processing Unit to state and sends request; Described request comprises the current program description of the program recommendation information of program, current program and the IPTV service condition essential information of said user terminal of watching, and said program recommendation information comprises the program identification of recommended show and to said programs recommended evaluation information.
15. business state information display packing according to claim 14 is characterized in that said IPTV service condition reports entity to present the Service Processing Unit request of sending to state and comprises before:
Said user terminal carries out filtration treatment according to predefined reporting policy to said IPTV service condition details.
16., it is characterized in that said IPTV service condition reports entity after state presents Service Processing Unit transmission request, to comprise according to claim 14 or 15 described business state information display packings:
Said state presents Service Processing Unit and preserves said program recommendation information, said program description and said IPTV service condition essential information.
17. business state information display packing according to claim 16 is characterized in that the said IPTV service condition of said preservation essential information comprises:
According to predefined conversation strategy said IPTV service condition details are carried out filtration treatment;
According to said IPTV service condition details and previous IPTV service condition details of preserving, form the IPTV service condition historical information of said user terminal.
18. a business state information sending method is characterized in that comprising:
Receive subscribe request, said subscribe request comprises the identify label of the said person's of being observed user terminal and observer's user terminal, and to the subscription indication information of IPTV service condition details and IPTV service condition historical information;
Identify label according to said subscription indication information and said observer's user terminal; Send IPTV service condition details corresponding and IPTV service condition historical information with the identify label of the said person's of being observed user terminal; Said IPTV service condition details comprise IPTV service condition essential information; Also comprise program recommendation information and/or program description; Wherein, said IPTV service condition essential information comprises the content identification and the game service sign of BC channel identication, BC program identification, CoD content identification, nPVR content identification, user-generated content
Wherein, said identify label according to said subscription indication information and said observer's user terminal, send IPTV service condition details and the IPTV service condition historical information corresponding and comprise with the identify label of the said person's of being observed user terminal:
According to said subscription indication information and the time period indication information of subscribing to IPTV service condition historical information, send and the interior IPTV service condition historical information of indication information time corresponding section of corresponding, said time period of the identify label of the said person's of being observed user terminal.
19. business state information sending method according to claim 18; It is characterized in that said identify label, send IPTV service condition details and the IPTV service condition historical information corresponding and comprise with the identify label of the said person's of being observed user terminal according to said subscription indication information and said observer's user terminal:
According to the said subscription indication information of subscribing to IPTV service condition details, send the 3rd notice message, said the 3rd notice message comprises the IPTV service condition details corresponding with the identify label of the said person's of being observed user terminal.
20. business state information sending method according to claim 19; It is characterized in that said according to the said subscription indication information of subscribing to IPTV service condition details; Send the 3rd notice message, said the 3rd notice message comprises after comprising the IPTV service condition details corresponding with the identify label of the said person's of being observed user terminal:
If the program identification that the service condition change information that reports entity to report according to the received person of being observed IPTV service condition carries; Judge that the program identification that carries with the preceding service condition change information that once receives belongs to same channel; Then judge observer's type of user terminal; If the IMS user terminal then sends four-way to the IMS user terminal and knows message, said four-way knows that message comprises the IPTV service condition details that the said person's of being observed user terminal upgrades; If the IPTV user terminal does not then send said four-way and knows message.
21. business state information sending method according to claim 18; It is characterized in that said identify label, send IPTV service condition details and the IPTV service condition historical information corresponding and comprise with the identify label of the said person's of being observed user terminal according to said subscription indication information and said observer's user terminal:
Said subscription indication information according to subscribing to IPTV service condition historical information sends the IPTV service condition historical information corresponding with the identify label of the said person's of being observed user terminal.
22. business state information sending method according to claim 18; It is characterized in that said identify label, send IPTV service condition details and the IPTV service condition historical information corresponding and comprise with the identify label of the said person's of being observed user terminal according to said subscription indication information and said observer's user terminal:
According to the said subscription indication information of subscribing to IPTV service condition details and IPTV service condition historical information; Send first notification message, said first notification message comprises IPTV service condition details corresponding with the identify label of the said person's of being observed user terminal and IPTV service condition historical information.
23. business state information sending method according to claim 22; It is characterized in that said according to the said subscription indication information of subscribing to IPTV service condition details and IPTV service condition historical information; Send first notification message, said first notification message comprises after comprising IPTV service condition details corresponding with the identify label of the said person's of being observed user terminal and IPTV service condition historical information:
Send second notification message, said second notification message comprises IPTV service condition details corresponding with the identify label of the said person's of being observed user terminal, that upgrade.
24. a subscriber terminal equipment is characterized in that comprising:
First sending module; Be used to send subscribe request, said subscribe request comprises the identify label of the subscription indication information of IPTV service condition details and IPTV service condition historical information, the person's of being observed user terminal and subscribes to the time period indication information of IPTV service condition historical information;
First receiver module; Be used to receive the notification message that sends according to subscribe request; Said notification message comprises the IPTV service condition details and the IPTV service condition historical information of the person's of being observed user terminal; Said IPTV service condition details comprise IPTV service condition essential information; Also comprise program recommendation information and/or program description, wherein, said IPTV service condition essential information comprises the content identification and the game service sign of BC channel identication, BC program identification, CoD content identification, nPVR content identification, user-generated content;
Display module is used for showing said IPTV service condition details and IPTV service condition historical information according to the said subscribe request of sending.
25. subscriber terminal equipment according to claim 24 is characterized in that said first sending module comprises:
First sends submodule, is used to send comprise the subscription indication information of IPTV service condition details and the subscribe request of said identify label; Or
Second sends submodule, is used to send comprise the subscription indication information of IPTV service condition historical information and the subscribe request of said identify label; Or
The 3rd sends submodule, is used to send comprise IPTV service condition details and the subscription indication information of IPTV service condition historical information and the subscribe request of said identify label.
26. subscriber terminal equipment according to claim 24 is characterized in that also comprising:
Second sending module is used for presenting Service Processing Unit to state and sends IPTV service condition details and IPTV service condition historical information.
27. subscriber terminal equipment according to claim 26 is characterized in that also comprising:
Filtering module is used for according to predetermined reporting policy said IPTV service condition details being carried out filtration treatment.
28. subscriber terminal equipment according to claim 27 is characterized in that also comprising:
First memory module is used to store said IPTV service condition details and said IPTV service condition historical information.
29. subscriber terminal equipment according to claim 24 is characterized in that also comprising:
The program identification update module is used for the program identification in the channel is upgraded.
30. subscriber terminal equipment according to claim 29 is characterized in that said program identification update module comprises:
The recognin module is used for identification and sends said notification message mid band sign and program identification;
Obtain submodule, be used to receive said channel identication and program identification, obtain the cannel broadcast tabulation, send the program identification after changing from network or this locality;
Updating submodule, the program identification that is used to use after the said variation upgrades the program identification in the said channel.
31. a Service Processing Unit is characterized in that comprising:
Second receiver module is used to receive subscribe request, and said subscribe request comprises the identify label of the said person's of being observed user terminal and observer's user terminal, and to the subscription indication information of IPTV service condition details and IPTV service condition historical information;
The 3rd sending module; Be used for identify label according to said subscription indication information and said observer's user terminal; Send IPTV service condition details corresponding and IPTV service condition historical information with the identify label of the said person's of being observed user terminal; Said IPTV service condition details comprise IPTV service condition essential information; Also comprise program recommendation information and/or program description; Wherein, said IPTV service condition essential information comprises the content identification and the game service sign of BC channel identication, BC program identification, CoD content identification, nPVR content identification, user-generated content, wherein; Said identify label according to said subscription indication information and said observer's user terminal, send IPTV service condition details and the IPTV service condition historical information corresponding and comprise with the identify label of the said person's of being observed user terminal:
According to said subscription indication information and the time period indication information of subscribing to IPTV service condition historical information, send and the interior IPTV service condition historical information of indication information time corresponding section of corresponding, said time period of the identify label of the said person's of being observed user terminal.
32. Service Processing Unit according to claim 31 is characterized in that also comprising:
The 3rd receiver module is used to receive the IPTV service condition details and the IPTV service condition historical information of user terminal to send up.
33. Service Processing Unit according to claim 32 is characterized in that also comprising:
Second memory module is used to store said IPTV service condition details and IPTV service condition historical information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810111645.7A CN101583016B (en) | 2008-05-15 | 2008-05-15 | Method for displaying and sending service status information, user terminal equipment and service processing unit |
| PCT/CN2009/071165 WO2009138003A1 (en) | 2008-05-15 | 2009-04-03 | Method, user terminal equipment and service processing unit for displaying and transmitting the service status information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810111645.7A CN101583016B (en) | 2008-05-15 | 2008-05-15 | Method for displaying and sending service status information, user terminal equipment and service processing unit |
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| Publication Number | Publication Date |
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| CN101583016A CN101583016A (en) | 2009-11-18 |
| CN101583016B true CN101583016B (en) | 2012-07-04 |
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| CN200810111645.7A Active CN101583016B (en) | 2008-05-15 | 2008-05-15 | Method for displaying and sending service status information, user terminal equipment and service processing unit |
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| CN (1) | CN101583016B (en) |
| WO (1) | WO2009138003A1 (en) |
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| CN102098548A (en) * | 2010-12-26 | 2011-06-15 | 青岛海信宽带多媒体技术有限公司 | Method and device for displaying electronic program guide (EPG) on digital television |
| CN102164302B (en) * | 2011-03-11 | 2015-02-04 | 青岛海信传媒网络技术有限公司 | Presenting server and data operation method thereof |
| JP2012203773A (en) * | 2011-03-28 | 2012-10-22 | Hitachi Consumer Electronics Co Ltd | Moving image recommendation device and moving image recommendation method |
| CN102710545B (en) * | 2012-05-23 | 2016-06-08 | 成都三零凯天通信实业有限公司 | A kind of communication method and system supporting subscription distribution mechanisms |
| CN102802037A (en) * | 2012-08-16 | 2012-11-28 | 中兴通讯股份有限公司 | Method and system utilizing program service guide to realize user rating |
| US10360246B2 (en) | 2013-05-20 | 2019-07-23 | Tencent Technology (Shenzhen) Co., Ltd. | Method, system, and apparatus for searching and displaying user generated content |
| CN104182391B (en) * | 2013-05-20 | 2018-07-06 | 腾讯科技（深圳）有限公司 | The display methods and device of a kind of user-generated content |
| CN103596217B (en) * | 2013-11-01 | 2017-11-07 | 电信科学技术研究院 | A kind of UE mobility informations report method and device |
| CN104462311B (en) * | 2014-11-28 | 2018-03-30 | 北京奇虎科技有限公司 | The methods of exhibiting and device of a kind of information |
| CN110012316B (en) * | 2019-01-29 | 2021-12-31 | 视联动力信息技术股份有限公司 | Method, device, equipment and storage medium for processing video networking service |
| US10999632B2 (en) * | 2019-02-15 | 2021-05-04 | Rovi Guides, Inc. | Churn analysis and methods of intervention |
| CN110363577A (en) * | 2019-06-27 | 2019-10-22 | 上海淇馥信息技术有限公司 | Resource-niche methods of exhibiting, device and electronic equipment based on User Status |
| CN114726835B (en) * | 2022-03-28 | 2022-12-02 | 慧之安信息技术股份有限公司 | Gateway directory information sending method and device based on caching technology |
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| CN100403794C (en) * | 2004-12-29 | 2008-07-16 | 华为技术有限公司 | Video terminal and method of implementing services of stream media |
| US20070294737A1 (en) * | 2006-06-16 | 2007-12-20 | Sbc Knowledge Ventures, L.P. | Internet Protocol Television (IPTV) stream management within a home viewing network |
| CN100518292C (en) * | 2006-10-27 | 2009-07-22 | 华为技术有限公司 | Method for obtaining EPG and IPTV service system |
| CN101052044B (en) * | 2007-05-18 | 2010-04-21 | 华为技术有限公司 | IPTV stream media business realizing method in IMS, network equipment and terminal equipment |
| CN101068199B (en) * | 2007-06-04 | 2010-05-26 | 华为技术有限公司 | Method, system, business and terminal for realizing convergence business |
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| WO2009138003A1 (en) | 2009-11-19 |
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