CN101313567A - Electronic program providing method, electronic program system and service functional unit - Google Patents

Electronic program providing method, electronic program system and service functional unit Download PDF

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Publication number
CN101313567A
CN101313567A CNA2007800001943A CN200780000194A CN101313567A CN 101313567 A CN101313567 A CN 101313567A CN A2007800001943 A CNA2007800001943 A CN A2007800001943A CN 200780000194 A CN200780000194 A CN 200780000194A CN 101313567 A CN101313567 A CN 101313567A
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CN
China
Prior art keywords
terminal
electronic program
unit
program list
time
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Granted
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CNA2007800001943A
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Chinese (zh)
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CN101313567B (en
Inventor
吴向阳
严军
李金成
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Beijing Weiben Intellectual Property Management Co. Ltd.
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Huawei Technologies Co Ltd
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Priority to CN2007800001943A priority Critical patent/CN101313567B/en
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Publication of CN101313567B publication Critical patent/CN101313567B/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • 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
    • H04L65/1066—Session management
    • H04L65/1073—Registration or de-registration
    • 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
    • H04L65/1066—Session management
    • H04L65/1083—In-session procedures
    • H04L65/1095—Inter-network session transfer or sharing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
    • 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
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25866—Management of end-user data
    • H04N21/25891—Management of end-user data being end-user preferences
    • 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
    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
    • 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
    • H04N21/47—End-user applications
    • 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
    • H04N21/47—End-user applications
    • H04N21/482—End-user interface for program selection
    • 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
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Computer Graphics (AREA)
  • Human Computer Interaction (AREA)
  • Telephonic Communication Services (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

An IMS based electronic program guide providing method is disclosed, it includes the following steps: the terminal is registered with the IMS interactively, the IMS agent terminal is registered with the service function unit interactively as the third party, and/or, the service function unit obtains the presentation information of the terminal; the service function unit determines the time of providing electronic program guide to the terminal; the service function unit provides electronic program guide to the terminal according to the determined time. An IMS based electronic program guide system and a service function unit are also disclosed.; In the invention, the terminal need not to send a request, it provides electronic program guide to the terminal in a proper time according to the information such as the status of the terminal, compared to the prior art in which electronic program guide is provided as the request is sent by the terminal, the invention is more flexible.

Description

Electronic programe providing method, electronic program system and service functional unit
Electronic programe providing method, electronic program system and service functional unit this application claims submitting Patent Office of the People's Republic of China on March 2nd, 2006, it is Application No. 200610034105.4, entitled " a kind of obtaining electronic programm list system and method;; Chinese patent application priority, entire contents are hereby incorporated by reference in the application.
Technology tool
The present invention relates to IP multimedia technologies, more particularly to the electronic program list offer technology in IP multimedia subsystem.
Background technology
Today developed in communication and IT technology high-speeds, with IP (the Internet Protocol, Internet protocol across link layer transfer medium）The appearance of technology, the rapid popularization of Internet applications, people have been no longer satisfied with single voice communication mode, and brand-new multimedia communication mode is also one of communication mode of people's demand.In addition, merging for the IPization and Internet of mobile communication network and fixed telecommunication network and communication network turns into the developing direction that industry is generally acknowledged undisputedly.To meet the common requirements of more and more prominent IP multimedia application, 3 GPP (3rd Generation Partnership Project, 3rd Generation Partnership Project）IMS (the IP Multimedia Subsystem, IP multimedia subsystem of the full IP operation network architecture are introduced on the basis of packet carrying network）, its target is, according to personalized user data, shields user mode access, there is provided multimedia communication experiences for the degree of opening of control business ability.
IMS is 3GPP R5 stages increased WCDMA (Wideband Code Division Multiple Access, WCDMA）A subsystem on existing packet domain is superimposed upon in network, IMS introduces SIP (Session Initial Protocol, Session initiation Protocol using bearer path of the packet domain as its upper strata control signaling and media transmission）As Service control agreement, the characteristics of being facilitated using SIP single, easy extensions, media combinations, by the way that Service control and carrying control are separated, there is provided abundant multimedia service.
SIP is by IETF (The Internet Engineering Task Force, Internet Engineering Task group）One of multimedia communications system framework agreement of formulation, for set up, change or ending multimedia session application layer protocol, with RTP (Realtime Transport Protocol, RTP）/ RTCP (Real-time Transport Control Protocol, RTCP Real-time Transport Control Protocol）, SDP (Session Description Protocol, Session Description Protocol）, RTSP (Real Time Stream Protocol, real-time streaming protocol), DNS (Domain Name System and Domain Name Service protocol, domain Name system（Service）Agreement）Deng coordinating, the session establishment and media negotiation in IMS are completed jointly.If setting up session, Media Stream will use RTP directly to be transmitted in bearing bed, and media can be flexibly interacted in a session.
SIP is based on disclosed Internet standards, there is advantage in terms of voice, data service combination and intercommunication, Call- Control1 can be realized across media and equipment, support abundant media formats, can dynamic add drop Media Stream, easily realize more abundant traffic performance, simultaneously, SIP supports intelligence to develop to business and end side, so as to mitigate network burden, itself support to include the application layer mobility functions such as dynamic registration mechanism, location management mechanism, redirection mechanism and Presence (descriptions）/ Fork (bifurcateds）/ subscription characteristic, is easy to extend new business.SIP is simple, with generally acknowledged extension potentiality, therefore in IMS and NGN (Next Generation Network, Xia generation Wang Network）Deng more and more being applied in network.
Streaming media service or IPTV (Internet Protocol Television based on IMS, Web TV) business is a kind of new business developed rapidly in recent years, streaming media service utilizes streaming technology, multimedia file is transmitted in packet network, including file contents such as video, audios, these contents can just be played immediately when user accesses without downloading completely.The key technology that Streaming Media is realized is exactly streaming technology, streaming technology refer to by continuous video and audio-frequency information be put into after treatment Website server, so that user download while watch and listen to, the network transmission technology without can just be watched after whole file download to the machine of oneself.
When implementing streaming media service or IPTV service, operation system generally requires the terminal used to user and provides an electronic program list or the service with similar functions, the electronic program list navigates for user, allows the user to understand business or the service that current business system can be provided.The electronic program list can also guide user to carry out program ordering, guiding user's triggering business etc..
Fig. 1 is a kind of structural representation of current electronic program system, this electronic program system can apply to IPTV system, wherein, marketing system is used to provide programme information to electronic programming single unit, and described information can be simultaneously comprising the information for guiding user charges and interview show source；The information that electronic programming single unit is used to be provided according to marketing system generates electronic program list, and electronic program list is supplied into terminal；Service server is used to provide business or content, for example, provide VOD (the Vidio On Demand, video request program of video-on-demand service）Server.Electronic programe providing method based on the electronic program system shown in Fig. 1 can be as shown in Figure 2 flow chart realize：
Step S201:Terminal sends the request for providing electronic program list to electronic programming single unit； Step S202:Electronic programming single unit obtains programme information from marketing system；
Step S203:Electronic programming single unit generates electronic program list according to the programme information of acquisition；Step S204:The electronic program list of generation is supplied to terminal by electronic programming single unit.Wherein, it can be HTTP (Hyper Text Transfer Protocol, HTTP that terminal, which sends request and the agreement that uses of electronic programming single unit return electron programme,）、 RTSP ( Real Time Stream
Protocol, real-time streaming protocol) or RTP (Realtime Transport Protocol, RTP) etc..
In addition, terminal is obtained after electronic program list, address information that can be in electronic program list is to service server acquisition request programme content.
Above-mentioned electronic program list provides scheme and is suitable for existing IP network, can realize and provide the terminal with electronic program list, still, in such scheme, electronic programming single unit must can just provide the terminal with electronic program list after the request of terminal is obtained.In actual applications, the user of using terminal wishes to be instantly available electronic program list sometimes, to obtain programme content to service server as early as possible, and due to reasons such as the network bandwidths, terminal is sent after the request for providing electronic program list, the electronic program list that electronic programming single unit is sent can not be immediately received, so, user cannot obtain electronic program list immediately.So, current electronic program list provides mechanism and more fixed, it is impossible to the demand of flexible reply user.
The content of the invention
The technical problem to be solved of the embodiment of the present invention is to provide a kind of electronic programe providing method, electronic program system and service functional unit, to realize more flexible offer electronic program list.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of electronic programe providing method based on IMS, including：Terminal interacts completion registration with IMS, and IMS proxy terminals interact completion third-party registration with service functional unit, and/or, service functional unit obtains the presentation information of terminal；Service functional unit determines to provide the terminal with the time of electronic program list；Service functional unit provides electronic program list according to the time of determination to end.
The embodiment of the present invention also provides a kind of electronic program system based on IMS, including：Service call conversation control function CSCF units, Proxy Call Session Control Function CSCF units and AS, wherein, the message that proxy CSCF unit is used between forwarding terminal and serving CSCF unit；Serving CSCF unit is used to complete registration and proxy terminal and AS completion third-party registration with terminal；AS is used for true directional terminals The time of electronic program list is provided, and electronic program list provided the terminal with by serving CSCF unit and proxy CSCF unit according to the time of determination.
The embodiment of the present invention also provides a kind of electronic programe providing method based on IMS, including：Terminal interacts completion registration with IMS, and IMS proxy terminals interact completion third-party registration with service functional unit；After third-party registration success, service functional unit provides the terminal with electronic program list immediately.
The embodiment of the present invention also provides a kind of electronic program system based on IMS, including：Proxy CSCF unit, serving CSCF unit and AS, wherein, the message that proxy CSCF unit is used between forwarding terminal and serving CSCF unit；Serving CSCF unit is used to complete registration and proxy terminal and AS completion third-party registration with terminal；AS is used to complete after third-party registration with serving CSCF unit, also provides a kind of service functional unit by the embodiment of the present invention immediately, including：Third-party registration unit, for after terminal interacts completion registration with IMS, completion third-party registration to be interacted with IMS；Time determining unit, after the completion of being interacted in third-party registration unit with IMS, it is determined that providing the terminal with the time of electronic program list；Electronic program list provides unit, and the time for being determined according to time determining unit provides the terminal with electronic program list.
The embodiment of the present invention also provides a kind of service functional unit, including：Information acquisition unit, the presentation information for obtaining terminal is presented；Time determining unit, for according to the presentation information that information acquisition unit is obtained is presented, it is determined that providing the terminal with the time of electronic program list；Electronic program list provides unit, and the time for being determined according to time determining unit provides the terminal with electronic program list.
The embodiment of the present invention also provides a kind of service functional unit, including：Third-party registration unit, for after terminal interacts completion registration with IMS, completion third-party registration to be interacted with IMS；Electronic program list provides unit, and after the completion of being interacted in third-party registration unit with IMS, electronic program list is provided the terminal with immediately.
The embodiment of the present invention also provides a kind of AS, including：Third-party registration unit, for after terminal interacts completion registration with IMS, completion third-party registration to be interacted with IMS；Time determining unit, after the completion of being interacted in third-party registration unit with IMS, it is determined that providing the terminal with the time of electronic program list；Electronic program list provides unit, and the time for being determined according to time determining unit provides the terminal with electronic program list.
The embodiment of the present invention also provides a kind of AS, including：Information acquisition unit, the presentation information for obtaining terminal is presented；Time determining unit, for according to present information acquisition unit obtain presentation information, really Directional terminals provide the time of electronic program list；Electronic program list provides unit, and the time for being determined according to time determining unit provides the terminal with electronic program list.
The embodiment of the present invention also provides a kind of AS, including：Third-party registration unit, for after terminal interacts completion registration with IMS, completion third-party registration to be interacted with IMS；Electronic program list provides unit, and after the completion of being interacted in third-party registration unit with IMS, electronic program list is provided the terminal with immediately.
In embodiments of the present invention, interacted with initiating the agent unit of third-party registration after the presentation information for completing third-party registration and/or acquisition terminal, it is determined that providing the terminal with the time of electronic program list, electronic program list is provided the terminal with according still further to the time of determination.As can be seen here, the embodiment of the present invention is not required to terminal and filed a request, but the information such as state according to terminal in good time provide the terminal with electronic program list, filed a request relative to prior art terminal and be provided with electronic program list, the embodiment of the present invention is substantially more flexible.
In embodiments of the present invention, interacted with initiating the agent unit of third-party registration after completion third-party registration, electronic program list can be provided the terminal with immediately, so, terminal can inquire about the electronic program list stored at any time, electronic program list could be obtained without filing a request, so, the embodiment of the present invention is substantially more flexible.Brief description of the drawings
Fig. 1 is a kind of structural representation of current electronic program system；
Fig. 2 is the flow chart of the electronic programe providing method based on system shown in Figure 1；
Fig. 3 is the flow chart of the first embodiment of the inventive method；
Fig. 4 is the flow chart of the second embodiment of the inventive method；
Fig. 5 is the structural representation of the first embodiment of electronic program system of the present invention；
Fig. 6 is the structural representation of the second embodiment of electronic program system of the present invention；
Fig. 7 is the flow chart of the 3rd embodiment of the inventive method；
Fig. 8 is the flow chart of the fourth embodiment of the inventive method；
Fig. 9 is the structural representation of the 3rd embodiment of electronic program system of the present invention.
Embodiment
Embodiment first to the inventive method is illustrated.The embodiment of the inventive method provides a kind of electronic programe providing method, comprises the following steps：Terminal interacts completion registration with IMS, and IMS proxy terminals interact completion third-party registration with service functional unit, and/or, service functional unit obtains the presentation information of terminal；Service functional unit determines to provide the terminal with the time of electronic program list；Service functional unit provides the terminal with electronic program list according to the time of determination. Third-party registration refers to the process of that some functional entity proxy terminal or other functional entitys in IMS are registered to another functional entity, in embodiments of the present invention, can be serving CSCF (Call Session Control Function, CSCF）Unit proxy terminal is registered to the functional entity that can generate electronic program list, for example, to AS (Application Server, application server）Registration.The user service data for indicating whether to provide the terminal with electronic program list immediately can also be obtained after third-party registration, user service data can include the temporal information that instruction terminal provides electronic program list.It can be the information such as the presence of terminal that information, which is presented, and whether whether the state of such as terminal good or idle.
The embodiment of the inventive method can apply to IMS.IMS mainly includes following functional entity：The CSCF of function such as control user's registration, session control are provided, the AS of miscellaneous service logic control function is provided, HSS (the Home Subscriber Server, home subscriber server of user contracting data is managed concentratedly）And for realizing MGCF (Media Gateway Control Function, MGCF with circuit switching net interconnecting）/ IM-MGW (IP Multimedia-MGW, IP multimedia media gateway controller）, user by be currently located ground proxy CSCF access IMS, session and business triggering control and interact with AS Service control then by user's registration ground home domain serving CSCF completion.
Fig. 3 and Fig. 4 is combined separately below, and the embodiment to the inventive method is described in detail.As shown in Fig. 3, the first embodiment of the inventive method includes：
Step S301:AS is interacted with providing the metadata offer unit for the metadata for constituting electronic program list, obtains the metadata information for constituting electronic program list.
This interaction can be carried out in the random time before AS generates electronic program list.Metadata provide unit can according to AS request, can also active to AS provide metadata.
Metadata can be the specific descriptions to content, access mode, purchase data etc..Metadata can include multinomial content, can simply by these division of teaching contents be two category informations, i.e. content metadata information and service metadata information, wherein, the content that content metadata packet contains can be：
A. content is described：, such as content-length, research content, content type, storage location, mutually there is link information between business and content, a business may include multiple content indexing information in the information of some content；
B. access mode：Coding/decoding capability that protected mode that business is used, terminal need to have, the copyright access mode supported etc.；
C buys data：Each purchase item associates one or more business, it is indicated that purchasing channel, price letter Breath etc.；
D. preview data：The reference of pre-review information, such as image, audio, video data is provided, business tine can be introduced to user by preview data.
The content that service metadata packet contains can be：
A. business is described substantially：The information such as the unique mark of business, suitable customer group, suitable application area, preview data link (URL, Uniform Resource Locator)；
B. business plan：The specific pot life of business and/or content.
Above-mentioned metadata can be from business marketing system either Content Management System.
Step S302:Terminal carries out registration process with IMS.
This registration process is the standards registration process of IMS user.Specifically, terminal can complete to register with IMS serving CSCF unit.After the completion of registration, serving CSCF unit can obtain filter criteria from HSS, and filtering rule is referred to as signing information, and the AS that filter criteria can backward be specified comprising instruction terminal successful registration initiates the triggering rule of third-party registration.
Step S303:Whether serving CSCF unit judges need to carry out third-party registration, if desired, then perform step S304.
Whether serving CSCF unit can inquire about the filtering rule of acquisition comprising triggering rule, if including triggering rule, it is determined that need to carry out third-party registration, otherwise, it is not necessary to carry out third-party registration.
Bu Sudden S304:Serving CSCF unit initiates third-party registration to AS, and interaction completes third-party registration；It should be noted that serving CSCF unit is to the registration that the AS third-party registration initiated is substantially that serving CSCF unit proxy terminal is initiated to AS.
Step S305:The true directional terminals of AS send the time of electronic program list.
AS is completed after third-party registration with serving CSCF unit, and AS can check user service data.User service data can have a mark, be used to indicate whether to need to provide the terminal with electronic program list immediately；User service data can also include the time for providing the terminal with electronic program list.User service data can be pre-stored on AS；User service data can also be pre-stored in HSS, after the completion of third-party registration, and AS can obtain user service data from HSS；AS can also obtain user service data from local, for example, AS can obtain user service data by third-party registration.Terminal can be modified by the Ut between AS to mark or time, to change the time that AS provides electronic program list.When AS checks user service data, if user service data has mark or comprising providing the terminal with electricity The time of sub- programme, then it can determine to need to provide the terminal with electronic program list immediately or provide the terminal with the time of electronic program list.If user service data is without mark or not comprising the time for providing the terminal with electronic program list, AS can send the time of electronic program list based on the true directional terminals of local policy.
In a word, if AS can determine to provide the terminal with the time of electronic program list, step S306 is performed, otherwise, step S307 is performed.
Step S306:AS provides the terminal with electronic program list on time.
After AS generation electronic program lists, terminal can be transmitted directly to by AS, or terminal is sent to by serving CSCF unit, proxy CSCF unit by electronic program list encapsulation in a sip message.Specifically, SIP message body types can be extended, electronic program list is encapsulated in MESSAGE (message）, INFORMATION (information）Or Publish (issues）Etc. in message.
On the premise of pushing electronic program list to it when terminal is not using streaming media service, if terminal begins to use related service in subsequent process, terminal can quickly call electronic program list, and then easily browse or select programme content.
Step S307:AS provides the terminal with the description information of the action performed to obtain electronic program list to need.If AS does not determine to provide the terminal with the time of electronic program list, a description information can then be provided the terminal with, this description information can be the trigger that can be understood by terminal, description information can be included to being indicated as terminal, that is, the action performed is needed when terminal needs to obtain electronic program list.Terminal performs action according to such instruction, you can obtain electronic program list.Description information can also be encapsulated in a sip message, for example MESSAGE (message）, INFORMATION (information）Or Publish (issues）Etc. message.Issuing for message can also follow IMS standard routing mechanism, i.e. be handed down to terminal by serving CSCF unit and proxy CSCF unit.Foregoing description information can use xml-based (Extensible Markup Language- based, based on extensible markup language）Instruction described by script, the action specified is performed for instruction terminal when needing to obtain electronic program list, such as with file from specified address acquisition electronic program list.In addition, the ingress for service information of the luxurious battalion business of multiple ^ can be included in the description information that AS is provided the terminal with, being engaged in mouth Wei breaths can be including ingress for service address and business description letter, Deng, user can select the business using different business operator based on description information, wherein, ingress for service information can directly be configured to AS or AS and be obtained from other network entities.Certainly, ingress for service information can also exist independently of description information, and AS can provide ingress for service information in the lump when providing the terminal with electronic program list or description information. It should be noted that step S307 can also be such Bu Sudden, i.e. AS is waited until after the request that terminal proposes acquisition electronic program list, and electronic program list is provided the terminal with according to request.Step S307 can also be such step, i.e. AS is random or arbitrarily determines the time for providing electronic program list.Certainly, in step S305, if AS does not have true directional terminals to send the time of electronic program list, description information can not also be provided the terminal with, i.e., does not perform step S307.
It should also be noted that, because interacting between AS and metadata offer unit can be carried out in the random time before AS generates electronic program list, so, step S301 can be performed in the random time before step S306.
In the first embodiment of the above method, AS determines to provide the time of electronic program list according to user service data, and in actual applications, AS can also determine this time according to several factors.
Fig. 4 is the flow chart of the second embodiment of the inventive method, and second embodiment includes：
Step S401:AS is interacted with providing the metadata offer unit for the metadata for constituting electronic program list, obtains the metadata information for constituting electronic program list.The step is identical with Fig. 3 step S301.
Step S402:Terminal carries out registration process with IMS.The step is identical with Fig. 3 Bu Sudden S302.
Bu Sudden S403:AS is according to local policy to presence server acquisition request user state information.
User state information can be the information such as customer registration affair, terminal type, terminal location, and subscribing mechanism can follow the User Status subscribing mechanism of standard, such as SIP subscription（Subscribe)/notice (Notify) mechanism is carried out.
Step S404:Presence server provides user state information to AS.
Presence server can active to some or whole terminal inquiry user state information, these information can also be inquired about to the functional entity of other storage user state informations.In addition, terminal can also active report these information to presence server, further, terminal is updated after these information every time, and these information after updating are reported to presence server with regard to active.Certainly, terminal can be by the Ut between AS, the user state information of the terminal stored on the modification presence server of active.Presence server is received after AS request, and the user state information obtained is returned to AS.
Step S405:AS determines to provide the terminal with the time of electronic program list.
AS can be according to the user state information of acquisition, it is determined that providing the terminal with the time of electronic program list.For example, AS check user state information, judge the current presence of terminal, if terminal in wire State is good or in idle condition, then can determine to provide the terminal with electronic program list immediately, and electronic program list is provided the terminal with otherwise, it determines postponing.AS can determine the time postponed, and can also not know, but further be determined to provide the terminal with electronic program list according to local policy.
In a word, if AS can determine to provide the terminal with the time of electronic program list, step S406 is performed, otherwise, step S407 is performed.
Step S406:AS provides the terminal with electronic program list on time.This step Sudden is identical with Fig. 3 step S306.
Step S407:AS provides the terminal with the description information of the action performed to obtain electronic program list to need.The step is identical with Fig. 3 step S307.Certainly, in step Sudden S405, if AS does not have true directional terminals to send the time of electronic program list, description information can not also be provided the terminal with, i.e., does not perform step S407.
In first and second embodiment of the above method, AS can be simultaneously according to user service data and user state information, it is determined that providing the terminal with the time of electronic program list.In addition, step S402 and step S403 execution sequence can also be adjusted.
The embodiment of the present invention also provides a kind of electronic programe providing method, including：Terminal interacts completion registration with IMS, and IMS proxy terminals interact completion third-party registration with service functional unit；After third-party registration success, service functional unit provides the terminal with electronic program list immediately.
The difference of the embodiment of this method and the embodiment shown in Fig. 3, Fig. 4 is, in the embodiment of this method, AS need not determine to provide the terminal with the time of electronic program list, as long as being completed with serving CSCF unit after third-party registration, you can provide the terminal with electronic program list.
The embodiment of the present invention also provides a kind of electronic program system.Overall technical architecture first to electronic program system is illustrated.This electronic program system includes：Serving CSCF unit, proxy CSCF unit, AS, and/or, presence server, wherein, the message that proxy CSCF unit is used between forwarding terminal and serving CSCF unit, serving CSCF unit is used to complete registration and proxy terminal and AS completion third-party registration with terminal, presence server is used for the presentation information that terminal is provided to AS, AS is used to determining providing the terminal with time of electronic program list, and by serving CSCF unit and proxy CSCF unit provides the terminal with electronic program list according to the time of determination.
' electronic program system can also include：Home subscriber server HSS, for providing the filter criteria for indicating whether to initiate third-party registration to serving CSCF unit. Serving CSCF unit can include：Filter criteria unit is downloaded, for downloading filter criteria；Filter criteria unit is judged, for judging whether filter criteria indicates to initiate third-party registration；Agency of trademark registration unit, if filter criteria indicates to initiate third-party registration, proxy terminal initiates third-party registration to AS.
AS can include：Subscribing presence information unit, for sending the request for the presentation information for subscribing to terminal to presence server, and receives the presentation information of presence server return.
AS can include：Judging unit, for according to being obtained by third-party registration or the user service data being pre-configured with and/or the presentation information, it is determined that providing the terminal with the time of electronic program list；Electronic programming single unit is provided, for providing the terminal with electronic program list according to the time of determination.If AS or judging unit do not determine to provide the terminal with the time of electronic program list, determined to provide the terminal with the time of electronic program list according to local policy.
AS can include：Description information unit is provided, the description information for providing the terminal with the action performed to obtain electronic program list to need, wherein, if it is determined that unit does not determine to provide the terminal with the time of electronic program list, then provide the terminal with description information.
Electronic program system can also include：Metadata provides unit, and the metadata of electronic program list is constituted for being provided to AS.
AS can include：At least one obtains meta-data unit, and the metadata of electronic program list is constituted for obtaining；Electronic programming single unit is generated, for generating electronic program list according to the metadata of acquisition.
At least one of electronic program list, description information, ingress for service information Information encapsulation can be supplied to terminal in a sip message by AS.
Terminal can be changed user service data by the interface between AS and/or information is presented.
Fig. 5 and 6 is combined separately below, and electronic program system is described in detail.
As shown in Figure 5, the first embodiment of electronic program system of the present invention includes AS501, proxy CSCF unit 505, serving CSCF unit 502, HSS504 and metadata and provides unit 503, wherein, the request between the forwarding terminal of proxy CSCF unit 505 and serving CSCF unit 502 and response message；Serving CSCF unit 502 is downloaded comprising triggering rule in filter criteria, the filter criteria from HSS504, and serving CSCF unit 502 carries out third-party registration according to the regular proxy terminal of triggering to AS501；HSS storing user subscription information, i.e. filter criteria；AS 501 generates electronic program list, and electronic program list is supplied into terminal；Metadata provides unit 503 and the metadata for generating electronic program list is provided to AS501, and the metadata is included to descriptions such as content, access mode, purchase data.First embodiment can also include Existing server（Presence Server) 506, presence server 506 can receive the request for the subscriber state information that AS501 is sent, and after presence server 506 obtains user state information, these information are provided to AS501.Presence server 506 can also receive and manage the presentation information issued from other functional entitys, such as the presence that terminal is issued, and the information of some functional entity can also be constituted a single presentation information document by presence server 506.Presence server 506 can also receive the presentation information subscribing request that any one functional entity is sent, and be supplied to functional entity by information is presented.
In the system shown in Fig. 5, there can be at least two modes to realize the offer process of electronic program list.Both modes are illustrated separately below.
First way：AS501 is interacted with providing the metadata offer unit 503 for the metadata for constituting electronic program list, obtains the metadata information for constituting electronic program list.Terminal carries out registration process with IMS.Serving CSCF unit 502 judges whether to need to carry out third-party registration, if desired, then initiate third-party registration to AS501, and interaction completes third-party registration.AS501 sends the time of electronic program list according to the true directional terminals of user service data.If AS501 can determine to provide the terminal with the time of electronic program list, electronic program list is then provided the terminal with time, otherwise, the description information of the action performed to obtain electronic program list to need can be provided the terminal with, when terminal needs to obtain electronic program list, defined act is performed according to description information, you can obtain electronic program list, certainly, AS501 can not also provide the terminal with description information.In addition, if AS501 does not determine to provide the terminal with the time of electronic program list, then just the blunt request sent according to terminal electronic program list, or time random or that offer electronic program list is be provided can also be provided the terminal with.
The second way：AS501 is interacted with providing the metadata offer unit 503 for the metadata for constituting electronic program list, obtains the metadata information for constituting electronic program list.Terminal carries out registration process with IMS.AS501 is according to local policy to the acquisition request user state information of presence server 506.Presence server 506 provides user state information to AS501.AS501 determines to provide the terminal with the time of electronic program list according to the user state information of acquisition.If AS501 can determine to provide the terminal with the time of electronic program list, electronic program list is then provided the terminal with time, otherwise, provide the terminal with the description information of the action performed to obtain electronic program list to need, when terminal needs to obtain electronic program list, defined act is performed according to description information, you can obtain electronic program list, certainly, AS501 can not also provide the terminal with description information.Another sunset is foretold, if AS501 does not determine to provide the terminal with the time of electronic program list, and the request that can also be sent according to terminal provides the terminal with electronic program list, or time that is random or arbitrarily determining offer electronic program list. It should be noted that in the first embodiment, possible multiple AS501 provide the terminal with different electronic program lists simultaneously, and terminal can be shown corresponding electronic program list according to certain strategy.
With reference to Fig. 6, the second embodiment to present system is illustrated.As shown in Figure 6, electronic program system includes the first AS5011, at least one the 2nd AS5012, proxy CSCF unit 505, serving CSCF unit 502, HSS504 and metadata and provides unit 503, wherein, first AS5011 is used to generate electronic program list, and electronic program list is supplied to terminal, the AS5012 of unit 503 or the 2nd can be provided from metadata by generating the metadata of programme;2nd AS5012 provides other business in addition to electronic program list, such as VOD server, TV servers.
In the second embodiment of present system, the first AS5011 can obtain the metadata information of generation electronic program list based on two ways：
First way：Metadata provides unit 503 and is supplied to the 2nd AS5012, the first AS5011 to obtain these information from the 2nd AS5012 again the metadata for constituting electronic program list.Electronic program list is provided by the first AS5011 is unified.Interface between 2nd AS5012 and the first AS5011 can use Diameter;The second way：First AS provides the direct interaction of unit 503 with metadata and obtains metadata.
The electronic program list presentation mode of second embodiment is essentially identical with first embodiment, and difference is：For first way, serving CSCF unit 502 is only needed to carry out third-party registration to the first AS5011, and electronic program list is provided the terminal with according to user service data by the first AS5011；
For the second way, the first AS5011 is only needed to the subscriber state information of presence server 506, and after user state information is obtained, electronic program list is provided the terminal with according to user service data by the first AS5011.
In addition, multiple 2nd AS5012 metadata obtained can be combined and be supplied to terminal by the first AS5011, metadata for each 2nd AS5012 carries the 2nd AS5012 mark and is distinguish between, so, in displays program information, it can be shown according to a variety of strategies, for example, sequencing display with the 2nd AS5012 etc..The embodiment of the present invention also provides a kind of electronic program system, including：Proxy CSCF unit, serving CSCF unit and AS, wherein, the message that proxy CSCF unit is used between forwarding terminal and serving CSCF unit, serving CSCF unit is used to complete registration and proxy terminal and AS completion third-party registration with terminal, AS is used to complete after third-party registration with serving CSCF unit, the vertical difference with the embodiment shown in Fig. 5 and Fig. 6 is, in this embodiment, AS and serving CSCF Unit is completed after third-party registration, and electronic program list can be provided the terminal with immediately, without it is determined that after the offer time, then provides the terminal with electronic program list on time.
In addition, being mentioned in the corresponding embodiments of Fig. 3 and Fig. 4, the ingress for service information of multiple service providers can be included in the description information that AS is provided the terminal with.Obtained if ingress for service information is AS from other network entities, for example obtained from offer service discovering and selecting unit that ingress for service information is provided, then AS can be interacted after being interacted with metadata offer unit, then with service discovering and selecting unit.Idiographic flow as illustrated in the schematic views of figures 7 and 8, is from Fig. 7 and 8, Fig. 7 and 8 with Fig. 3 and Fig. 4 difference, and AS and metadata are provided after unit interacts, and also interact to obtain ingress for service information with service discovering and selecting unit（Step S301, and S401'), in addition, when AS provides the terminal with description information, description information can carry ingress for service information.Because service discovering and selecting unit can provide ingress for service information, so, present invention also offers the 3rd embodiment of electronic program system, the structural representation of this embodiment is as shown in Figure 9, the difference of itself and the embodiment shown in Fig. 5 is, 3rd embodiment also includes a service discovering and selecting unit 507, and it can provide ingress for service information to AS501.
Above-mentioned several embodiments are all that the offer scheme to electronic program list is illustrated.The service subscribing process that terminal is obtained after electronic program list is illustrated again below.
Terminal is obtained after electronic program list, the direct initiating business request of information that can be provided according to electronic program list, can also subscribe to specific programme content, and subscription can be carried out using following manner：
Terminal is according to business description, using subscribing/notifying（Subscribe/notify) mechanism carries out service subscribing.Terminal sends subscription request according to business/content description information to AS, and the mark and other optional information of business or content can uniquely be represented by subscribing at least to carry in request.Subscription information is by AS processing; the result of processing carries and returns to terminal in an announcement message; wherein; notification message carries necessary confirmation; can include needs the address of connection using service or content, such as SIP URI, authorization message and other information, wherein; authorization message can include the protection information of content, or need the supplier for submitting to business or content to carry out Authority Verification.
Terminal is obtained after notification message, and the address information carried according to notification message initiates media session request, and this request can be initiated with the SIP conversational modes of standard, and the agreements such as HTTP can also be used to carry out.Another sunset is foretold, and terminal can also be subscribed in the business or program that some time point can provide in the future, after the time reaches, and AS can be actively to terminal originating service request, so as to set up service connection.In the business of progress or content requests, the information passed back in notification message can be used to be used for checking or the protection of business/content. The above-mentioned process for carrying out service subscribing and information transmission with Subscribe/Notify mechanism needs to carry out protocol extension, for example define program ordering event package, subscription type, the subscription term of validity and subscription specifics data etc. can be included in event package, subscription specifics information can exist as transparent data, in processing, specific application module can be given according to subscription type and handled.
Finally it should be noted that in embodiments of the present invention, at least one of electronic program list, description information, ingress for service information information can be encapsulated is supplied to terminal in a sip message, so, the scheme of the embodiment of the present invention is applied to SIP.
It is described above; only presently preferred embodiments of the present invention; it is not intended to limit the scope of the present invention, any modification, equivalent substitution and improvements done within the spirit and principles of the invention etc. should be included in the scope of the protection.

Claims (26)

  1. Claim
    1. a kind of electronic programe providing method based on IMS, it is characterised in that including：
    Terminal interacts completion registration with IMS, and IMS proxy terminals interact completion third-party registration with service functional unit, and/or, service functional unit obtains the presentation information of terminal；
    Service functional unit determines to provide the terminal with the time of electronic program list；
    Service functional unit provides the terminal with electronic program list according to the time of determination.
    2. electronic programe providing method as claimed in claim 1, it is characterised in that：Service functional unit determines that it is being obtained after third-party registration or the user service data being pre-configured with and/or the presentation information to provide the terminal with the foundation of the time of electronic program list.
    3. electronic programe providing method as claimed in claim 1, it is characterised in that：If not determining to provide the terminal with the time of electronic program list, service functional unit determines to provide the terminal with the time of electronic program list or provides the terminal with the description information of the action performed to obtain electronic program list to need according to local policy.
    4. electronic programe providing method as claimed in claim 3, it is characterised in that terminal also includes after obtaining description information：If terminal needs to obtain electronic program list, electronic program list is obtained by performing action as defined in description information.
    5. electronic programe providing method as claimed in claim 3, it is characterised in that：Service functional unit includes ingress for service address and business description information when providing the terminal with electronic program list or the description information there is provided service functional unit configuration or from the acquisition of other network entities ingress for service information, the ingress for service information.
    6. electronic programe providing method as claimed in claim 1, it is characterised in that service functional unit also includes before providing the terminal with electronic program list：
    Service functional unit obtains the metadata for constituting electronic program list；
    Service functional unit generates electronic program list according to the metadata.
    7. electronic programe providing method as claimed in claim 1, it is characterised in that：The electronic program list is that service functional unit is generated or obtained from other network entities.
    8. the electronic programe providing method as described in claim 1-7 any one, it is characterised in that：The service functional unit is application server AS.
    9. the electronic programe providing method as described in claim 1,3 or 5, it is characterised in that：At least one of the electronic program list, description information, ingress for service information Information encapsulation is supplied to terminal in Session initiation Protocol sip message.
    10.-kind of the electronic program system based on IMS, it is characterised in that including：Service call conversation control function CSCF units, Proxy Call Session Control Function CSCF units and AS, wherein, serving CSCF unit is used to complete registration and proxy terminal and AS completion third-party registration with terminal；AS is used to determining providing the terminal with time of electronic program list, and by serving CSCF unit and proxy CSCF unit provides the terminal with electronic program list according to the time of determination.
    11. the electronic program system as claimed in claim 10 based on IMS, it is characterised in that also include：Presence server, the presentation information for providing terminal to AS.
    12. electronic program system as claimed in claim 11, it is characterised in that AS includes：Subscribing presence information unit, for sending the request for the presentation information for subscribing to terminal to presence server, and receives the presentation information of presence server return.
    13. electronic program system as claimed in claim 11, it is characterised in that AS includes：Judging unit, for according to being obtained by third-party registration or the user service data being pre-configured with and/or the presentation information, it is determined that providing the terminal with the time of electronic program list；
    Electronic programming single unit is provided, for providing the terminal with electronic program list according to the time of determination.
    14. electronic program system as claimed in claim 10, it is characterised in that AS also includes：Description information unit is provided, the description information for providing the terminal with the action performed to obtain electronic program list to need, wherein, if it is determined that unit does not determine to provide the terminal with the time of electronic program list, then provide the terminal with description information.
    15. electronic program system as claimed in claim 10, it is characterised in that also include：Metadata provides unit, and the metadata of electronic program list is constituted for being provided to AS.
    16. the electronic program system as described in claim 10 or 15, it is characterised in that AS also includes：At least one obtains meta-data unit, and the metadata of electronic program list is constituted for obtaining；Electronic programming single unit is generated, for generating electronic program list according to the metadata of acquisition.
    17.-kind of the electronic programe providing method based on IMS, it is characterised in that including： Terminal interacts completion registration with IMS, and IMS proxy terminals interact completion third-party registration with service functional unit；
    After third-party registration success, service functional unit provides the terminal with electronic program list immediately.
    18.-kind of the electronic program system based on IMS, it is characterised in that including：Proxy CSCF unit, serving CSCF unit and AS, wherein, serving CSCF unit is used to complete registration and proxy terminal and AS completion third-party registration with terminal；AS is used to complete after third-party registration with serving CSCF unit, provides the terminal with electronic program list by serving CSCF unit and proxy CSCF unit immediately.
    19. a kind of service functional unit, it is characterised in that including：
    Third-party registration unit, for after terminal interacts completion registration with IMS, completion third-party registration to be interacted with IMS；
    Time determining unit, after the completion of being interacted in third-party registration unit with IMS, it is determined that providing the terminal with the time of electronic program list；
    Electronic program list provides unit, and the time for being determined according to time determining unit provides the terminal with electronic program list.
    20. service functional unit as claimed in claim 19, it is characterised in that also include：
    Information acquisition unit, the presentation information for obtaining terminal is presented；And/or
    User service data is stored or acquiring unit, for storing user service data be pre-configured with or acquisition.
    21. service functional unit as claimed in claim 20, it is characterised in that：User service data that the time determining unit is stored according to presentation information and/or the user service data storage that the terminal that information acquisition unit is obtained is presented or acquiring unit or acquisition, it is determined that providing the terminal with the time of electronic program list.
    22.-kind of service functional unit, it is characterised in that including：
    Information acquisition unit, the presentation information for obtaining terminal is presented；
    ' time determining unit, for according to the presentation information that information acquisition unit is obtained is presented, it is determined that providing the terminal with the time of electronic program list；
    Electronic program list provides unit, and the time for being determined according to time determining unit provides the terminal with electronic program list.
    23.-kind of service functional unit, it is characterised in that including：
    Third-party registration unit, for after terminal interacts completion registration with IMS, completion third-party registration to be interacted with IMS；
    Electronic program list provides unit, and after the completion of being interacted in third-party registration unit with IMS, electronic program list is provided the terminal with immediately.
    24.-kind of AS, it is characterised in that including：
    Third-party registration unit, for after terminal interacts completion registration with IMS, completion third-party registration to be interacted with IMS；
    Time determining unit, after the completion of being interacted in third-party registration unit with IMS, it is determined that providing the terminal with the time of electronic program list；
    Electronic program list provides unit, and the time for being determined according to time determining unit provides the terminal with electronic program list.
    25.-kind of AS, it is characterised in that including：
    Information acquisition unit, the presentation information for obtaining terminal is presented；
    Time determining unit, for according to the presentation information that information acquisition unit is obtained is presented, it is determined that providing the terminal with the time of electronic program list；
    Electronic program list provides unit, and the time for being determined according to time determining unit provides the terminal with electronic program list.
    26.-kind of AS, it is characterised in that including：
    Third-party registration unit, for after terminal interacts completion registration with IMS, completion third-party registration to be interacted with IMS；
    Electronic program list provides unit, and after the completion of being interacted in third-party registration unit with IMS, electronic program list is provided the terminal with immediately.
CN2007800001943A 2006-03-02 2007-02-15 Electronic program providing method, electronic program system and service functional unit Expired - Fee Related CN101313567B (en)

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PCT/CN2007/000555 WO2007098682A1 (en) 2006-03-02 2007-02-15 Electronic program guide providing method, electronic program guide system and service function unit

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