WO2011127713A1 - 一种应用于数字电视的多媒体业务管理*** - Google Patents

一种应用于数字电视的多媒体业务管理*** Download PDF

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Publication number
WO2011127713A1
WO2011127713A1 PCT/CN2010/076799 CN2010076799W WO2011127713A1 WO 2011127713 A1 WO2011127713 A1 WO 2011127713A1 CN 2010076799 W CN2010076799 W CN 2010076799W WO 2011127713 A1 WO2011127713 A1 WO 2011127713A1
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service
ims
digital television
support
multimedia
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PCT/CN2010/076799
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English (en)
French (fr)
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罗笑南
卢林发
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中山大学
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Publication of WO2011127713A1 publication Critical patent/WO2011127713A1/zh

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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
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]
    • 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
    • H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to an IP multimedia publishing and management system for digital television and networks.
  • the multimedia service realized by digital TV is not only a simple one-way video signal transmission and reproduction, but also includes two-way audio and video communication, streaming media on demand, multi-party online game interaction, and various industry interactive business integration.
  • the multimedia system applied to the digital television in addition to satisfying the unique video playback requirements, should be combined with the application and application of the computer network to construct and realize the Internet and the digital television network.
  • the multimedia system applied to digital television is to follow the example of the Web, and to obtain the corresponding page and content playback through a fixed connection. It is common to have HTML and exported formats that allow multimedia pages to be edited on an intranet or Internet network.
  • the format uses a dedicated browser descriptor to provide a page description that is activated in the form specified by the creator of the page.
  • the software platform of the set top box, the version of the browser, and the protocols to be followed are not completely the same. Therefore, when the media is released or played, the fixed link is difficult to display the allocated service content correctly and effectively.
  • the multimedia service applied to digital television involves more user information and the distribution and certification of various service authorizations than traditional television programs, which is also a problem that the digital television multimedia system should focus on.
  • the system can not only automatically adjust the mode of the TV display, but also effectively load various necessary service resources to realize multi-user TV interactive services.
  • a multimedia distribution and management system for digital television comprising at least one dedicated user management server and content server connected to a computer network, one or more television terminals connected to a digital television network, the content server having at least one database and An IP multimedia processing unit for processing user network access control, call/session control, and service processing, characterized in that the television terminal is provided with a random access memory and a content consultation plug-in; the random access memory is used for temporary Storing a digital file downloaded from a content server database for visually displaying the service content according to a descriptor of the downloaded page; the dedicated user management server is a functional entity independent of the bearer network, including multimedia processing with the content server a unit-connected IP processing interface, configured to record related user information and service information required by the multimedia processing unit to support system function implementation, to cooperate with the multimedia processing unit to complete user network access control, call / Session control and service processing.
  • the digital file in the content server includes a descriptor having at least two visual display modes and the at least two included in the same file.
  • One of the visual display modes corresponds to a visual display that produces a display that is larger than a display of a second visual mode contained within the same digital file; the digital file contains a description of the geometric form of the visual display area A character that contains descriptors for loading and displaying multiple interactive tags displayed in a common display section.
  • the system functions include: mobility management of access system equipment, system identification processing, generation of IP multimedia system user security information, service authorization, user security management, access authorization, system service provision, session establishment, and support of intelligent services.
  • the IP multimedia processing unit includes: a call control unit, configured to implement IP device mobility management, user access authentication, user service authorization, information encryption and decryption security processing, call/session control of the access system;
  • the initial session protocol application server unit is used to implement various application service processing;
  • the IP service switching function unit is used for an external service control point to implement an intelligent service.
  • the IP processing interface includes: an interface connected to the call control unit, where the home subscriber server transmits user security parameters and user service information to the call control unit; and is used by the call control unit to The home subscriber server transmits the capability information of the call control unit, the session signaling transmission parameter, and the interface connected to the initial session protocol application server unit, where the home subscriber server delivers the service to the initial session protocol application server unit.
  • the home subscriber server transmits the capability information of the call control unit, the session signaling transmission parameter, and the interface connected to the initial session protocol application server unit, where the home subscriber server delivers the service to the initial session protocol application server unit.
  • Related information and user related information are examples of the call control unit, where the home subscriber server transmits user security parameters and user service information to the call control unit; and is used by the call control unit to The home subscriber server transmits the capability information of the call control unit, the session signaling transmission parameter, and the interface connected to the initial session protocol application server unit, where the home subscriber server delivers the service to the initial session protocol application server unit
  • Servers dedicated to publishing content and services and servers dedicated to managing user information are deployed separately to achieve load balancing;
  • the display mode of the specific service can be freely switched to obtain the best mode suitable for the display of the device, and the correct display and interactive quality of the content are also ensured;
  • This system is specially used for digital TV, but it is not limited to digital TV. It can realize the integration of Internet and digital TV network on the business layer.
  • 1 is a schematic diagram of an entity and an interface of an existing IMS system
  • FIG. 2 is a schematic diagram of logical functions of a prior art HSS
  • Figure 3 is a schematic view showing the overall structure of the system of the present invention.
  • FIG. 4 is a schematic diagram of logical functions of an HSS* deployed on a home subscriber server
  • FIG. 5 is a schematic diagram of the logical function of the HLR* deploying the content publishing server.
  • the multimedia distribution and management system for digital television itself is an IP Media System (IMS) based on the TCP/IP protocol.
  • IMS IP Media System
  • FIG. 1 a schematic diagram of an IMS entity and an interface defined by a common 3GPP, the most important functional entity in the IMS is a Call Control Entity (CSCF, Call Session Control Function) and Home Subscriber Server (HSS, Home Subscriber Server).
  • CSCF includes three types: service CSCF (S-CSCF, serving-Call Session Control) Function), proxy CSCF (P-CSCF, Proxy-Call Session Control Function), query CSCF (I-CSCF, Interrogating-Call Session control Function).
  • the P-CSCF is the first contact point of the user equipment in the IMS system, completes the proxy function and accepts the initial session protocol (SIP, Session). Initiation Protocol) The message may be processed accordingly and then forwarded.
  • the I-CSCF is mainly to complete the network hidden function. When the user registers, the I-CSCF queries the HSS and determines the S-CSCF of the user service. The S-CSCF records the call status of the user and completes the call control function. It is the most important service control entity.
  • BGCF Borde Gateway Control
  • MGCF Media Gateway Control Function
  • IM-MGW IP Multimedia Domain Media Gateway
  • MRFP Media Resource function point
  • MRFC Media ReSource Function Control
  • HSS is a schematic diagram of the logical function of the prior art HSS.
  • the HSS logic functions are not divided according to IMS functions and non-IMS functions, that is, both IMS functions and non-IMS functions include these logic functions.
  • HSS has functions such as mobility management, identity processing, support service provision, support application services, support for user security, access authorization, generation of user security information, support for service authorization, support for call/session construction, and support for intelligent services.
  • the HSS records the user information and service data of each IMS user, cooperates with the CSCF to complete the most important routing functions and roaming functions, and the HSS provides authentication, authorization, IMS and IP address mapping, and location location functions.
  • User information includes: user number and address information; security information for authentication and authorization; support for user registration, record location information between different systems; user feature data, etc., and service data includes service trigger rules and service trigger logic.
  • the system includes a set-top box or a digital television terminal for realizing communication of a digital television network, and a server and a program for storing, processing, and realizing media resources, service data, and the like.
  • the server or server cluster has at least one home subscriber management server and one content publishing server.
  • the content distribution server and the home subscriber management server perform service cooperation and data circulation through mutually open interfaces such as an IP interface, a call control unit interface, and the like.
  • the home subscriber management server is a functional entity independent of the bearer network, and the implementation includes an IP processing interface connected to the content server multimedia processing unit, and is used for recording related user information required for processing by the multimedia processing unit to support system function implementation. And service information to cooperate with the multimedia processing unit to complete functions such as user network access control, call/session control, and service processing.
  • the content distribution server integrates an IP multimedia processing unit, a content service database, and a functional module such as an HLR* that is specifically allocated from the existing IMS system for processing network access and related service responses.
  • the IP multimedia processing unit has the same functions as the existing IMS system, and is mainly used for processing user network access control, and call/session control and service processing.
  • the IP multimedia processing unit may be composed of a call control unit, an initial session protocol application server unit, an IP service switching function unit, and some other multimedia processing resources.
  • the call control unit has the same functions as the prior art, and is mainly used for implementing IP multimedia system mobility management, user access authentication, user service authorization, information encryption and decryption security processing, call/session control, and initial session protocol.
  • the application server unit has the same functions as the prior art and is mainly used to implement various application service processing.
  • the content service database is used to store audio and video resources, basic resource data of various service contents, and digital files for storing services.
  • HLR* is mainly used to implement various functions closely related to the bearer network.
  • the content delivery server is directly directed to the bearer network and various television terminals, and the home subscriber management server is specifically used to process service and user information directly related to the IMS.
  • the cooperation of the two servers together completes the provision of various data, traffic flow control, and services for digital television.
  • the home subscriber management server used in the present invention is a separated HSS*, which is specific to the IMS function directly related to the digital television service, and the other is connected with respect to the traditional HSS.
  • HSS* Separate the HLR* from the non-IMS function related to the bearer network, and deploy it to the content publishing server to implement the related non-IMS function of the IMS together with each bearer network.
  • the load between the servers is balanced, and at the same time, the various service flows and components of the home subscriber management server are separated from the access network type and the network transmission protocol, thereby realizing the universality of the IM and enhancing the overall system.
  • FIG. 5 is a schematic diagram of the logical function of the non-IMS function divided from the existing home subscriber server, in order to realize the access independence of the IMS, that is, the separation of the IMS and the bearer network,
  • the HSS functional entity and interface of the IMS system need to be redefined, and the original HSS entity is divided into two logical functional entities, one is reserved in the IMS, and the IMS function in the original HSS is completed (ie, HSS* in FIG. 4); one from the IMS Stripped out and becomes part of the bearer network, completing the non-IMS function in the original HSS (ie HLR* in Figure 5).
  • the functions of the IMS system supported by the HSS* mainly include: IMS mobility management, IMS identity processing, generation of IMS user security information, support for IMS service authorization, support for IMS user security, IMS access authorization, support for IMS service provision, and support for IMS application services.
  • HLR* it supports the same functional content as the traditional HSS.
  • the functions supported by HLR* in the bearer network mainly include: mobility management, identity processing, generating user security information, supporting service authorization, supporting user security, access authorization, supporting service provision, supporting application services, supporting session establishment, and supporting intelligence. Business, etc.
  • the HSS* of the home subscriber server records the user information and service data of each IMS user, including the IMS user related information as follows: user identifier, number and address information; user security information, that is, authentication and authorized network access control information.
  • User location information ie support user registration, save inter-system location information, etc.; user service information and so on.
  • the specific user interface is configured to have an interface with the call control unit, where the home subscriber server transmits user security parameters and user service information to the call control unit, and is used for the call control unit. Transmitting the capability information of the call control unit, the session signaling transmission parameter to the home subscriber server, and providing an interface with the initial session protocol application server unit, where the home subscriber server applies to the initial session protocol
  • the server delivers transparent data, including service-related information and user-related information, and has an interface with the IP service switching function unit, and the home subscriber server transmits the smart service subscription information to the IP service switching function unit.
  • the IMS service dedicated to IP of the traditional IMS system is separated from the interface to the domain, thereby forming different HSS* and HLR* and deploying the HSS* independently of the network bearer.
  • the home subscriber server deploys the HLR* to a content delivery server directly facing different network access and collaboration, and realizes the universality of the digital television remote service center.
  • the content distribution server storage includes at least two Depending on the descriptor of the display mode and the digital file for switching between the at least two visual display modes included in the same file, the digital television or the set top box at the user end is provided with a random access memory and a content inquiry plug-in for temporarily storing a digital file downloaded from a content server database, the content consultation plug-in for visually displaying the service content according to the descriptor of the downloaded page, and the content consultation plug-in detecting the television Performing the operation key of the remote controller and when the inactive area of the display generated by the digital file is performed Swap meet in order to obtain the user's visual reality and hardware performance mode and service mode.
  • One of the visual display modes described herein corresponds to a visual display that produces a display that is larger than the display of a second visual mode contained within the same digital file, the digital file containing the geometric form of the visual display area Descriptor.
  • the user's digital TV or set-top box displays a command window for installing the content consultation plug-in.
  • the plug-in block is automatically executed and the descriptor and switching means of the visual display mode are loaded.
  • the display mode switching instruction menu is activated by the operation of the monitoring remote controller of the content consultation plug-in.
  • the content advisory plugin window allows searching and accessing content for a particular file called an animated wizard. This page allows the search for content servers using text search criteria, and the logo for the server address is stored, where the digital components of the content server are searched. These components are then loaded into the RAM of the user terminal.
  • a window start flag a flag placed before the section containing the instruction to access the memory resource
  • a section placed before the section containing the instruction to process the resource a flag; one or more flags placed before the visible target defined segment; in the case where more than one flag is displayed, each flag corresponds to a limit of the targets, wherein the targets correspond to the display mode of the same content file one.
  • the definition of the target includes a conditional display indicator corresponding to the display mode; an end flag; the definition of the visual object relates to text, text groups, images, geometric forms, Decrease the display of counts and so on.
  • a file includes at least two and preferably three different definitions for each mode. Some inherited patterns include static target qualifications, others can contain dynamic target descriptors, such as links to other resources or files.

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Description

一种应用于数字电视的多媒体业务管理***
技术领域
本发明涉及通信技术领域,尤其涉及一种应用于数字电视及网络的IP多媒体发布和管理***。
背景技术
随着数字电视和互联网络技术的发展，传统的电视业务已经不能满足人们的娱乐需求，人们迫切需要体验全新的多媒体业务。通过数字电视实现的多媒体业务不仅仅是简单的单向的视频信号传播和再现，它还包括即时双向音视频通讯、流媒体点播、多方在线游戏互动、各种行业互动业务集成等。目前，鉴于互联网和广播电视网融合的趋势，应用于数字电视的多媒体***，除了满足特有的视频播放需求外，更应与计算机网络相关的技术结合与应用，构建实现与互联网、数字电视网在业务层面融合的多媒体***。
目前，应用于数字电视的多媒体***，是效仿Web，通过固定的连接进行相应页面的获取和内容播放。常见是通过存在HTML以及导出的格式，其允许多媒体页面被在内部网或因特网网络中编辑。该格式使用通过专用浏览器描述符提供页面描述，按照由该页面的创建者规定的形式激活该可视显示器。但是，由于电视终端硬件设备不同，机顶盒的软件平台、浏览器的版本、遵循的协议不完全相同，所以在进行媒体发布或播放时候，固定的链接是很难正确有效的显示分配的服务内容。此外，应用于数字电视的多媒体服务相比于传统的电视节目，它涉及到更多的用户信息和各种服务授权的分配与认证，这也是数字电视的多媒体***应该重点解决的问题。
发明内容
本发明的目的是公开一种通用的应用于数字电视的多媒体***。使用该***，不仅可以自动的调节电视显示的模式，同时更能有效的加载必须的各种服务资源，实现多用户的电视互动服务。
本发明的目的通过如下技术方案实现：
一种应用于数字电视的多媒体发布和管理***，包括分别至少一个与计算机网络连接的专属用户管理服务器和内容服务器、一个或一个以上与数字电视网络连通的电视终端，内容服务器具有至少一个数据库和一个用于处理用户网络接入控制、呼叫／会话控制和业务处理的IP多媒体处理单元，其特征在于，电视终端的设置有随机存取存储器和一个内容咨询插件；该随机存取存储器用于临时存储从内容服务器数据库下载的数字文件，该内容咨询插件用于按照下载的页面的描述符可视地显示服务内容；专属用户管理服务器为独立于承载网络的功能实体，其包括与内容服务器多媒体处理单元相连的IP处理接口，用于记录所述多媒体处理单元处理所需的、支持***功能实现的相关用户信息和业务信息，以配合所述多媒体处理单元完成用户的网络接入控制、呼叫／会话控制和业务处理。
为了适配电视终端的硬件性能和窗口显示需要，所述的内容服务器内的数字文件包括具有至少二个可视显示模式的描述符以及用于在包含于该同一文件中的所述至少二个可视显示模式之间进行切换的手段。所述的可视显示模式之一对应于一个可视显示，其所产生的显示大于包含在同一数字文件内的第二可视模式的显示；该数字文件包含可视显示区域的几何形式的描述符，包含用于加载和显示在公共显示区段中显示的多个交互标记的描述符。
上所述***功能包括：接入***设备的移动性管理，***标识处理，产生IP多媒体***用户安全信息，业务授权，用户安全性管理，接入授权，***业务提供，会话建立以及支持智能业务。所述的IP多媒体处理单元包括：呼叫控制单元，用于实现接入***的IP设备移动性管理、用户接入鉴权、用户业务授权、信息的加密解密的安全性处理、呼叫／会话控制；初始会话协议应用服务器单元，用于实现各种应用业务处理；IP业务交换功能单元，用于外接业务控制点以实现智能业务。所述IP处理接口包括：与所述呼叫控制单元连接的接口，用于所述归属用户服务器向所述呼叫控制单元传递用户安全参数、用户业务信息；同时用于所述呼叫控制单元向所述归属用户服务器传递所述呼叫控制单元的能力信息、会话信令传输参数；与所述初始会话协议应用服务器单元连接的接口，用于所述归属用户服务器向所述初始会话协议应用服务器单元传递业务相关信息和用户相关信息。
本发明技术方案的优点在于：
1、专门发布内容和服务的服务器和专门用于管理用户信息的服务器单独部署，实现了负载的均衡；
2、使用本***的电视终端，可以进行针对特定服务的显示模式的自由切换，以获得适合其设备显示的最佳模式，同时也保证了内容的正确显示和互动质量；
3、本***专门用于数字电视，但不局限于数字电视，可以实现互联网和数字电视网在业务层上的融合。
附图说明
图1为现有IMS***实体和接口示意图；
图2为现有技术HSS的逻辑功能示意图；
图3为本发明***的整体结构示意图；
图4为部署于归属用户服务器的HSS*的逻辑功能示意图；
图5为部署内容发布服务器的HLR*的逻辑功能示意图。
具体实施方式
应用于数字电视的多媒体发布和管理***本身是一个基于TCP/IP协议的IP媒体***（IMS）。参考图1，为常见的3GPP定义的IMS实体和接口示意图，IMS中最主要的功能实体是呼叫控制实体（CSCF, Call Session Control Function）和归属用户服务器（HSS, Home Subscriber Server）。其中，CSCF包括有三种类型：服务CSCF(S-CSCF, serving-Call Session Control Function）、代理CSCF(P-CSCF, Proxy-Call Session Control Function）、查询CSCF(I-CSCF, Interrogating-Call Session control Function）。P-CSCF是用户设备在IMS***的第一个接触点，完成代理(Proxy）功能，接受初始会话协议（SIP, Session Initiation Protocol）消息并可能进行相应处理，然后将其转发。I-CSCF主要是完成网络隐藏的功能，用户注册时I-CSCF到HSS查询并确定用户服务的S-CSCF。S-CSCF记录用户的呼叫状态，完成呼叫控制功能，是最主要的业务控制实体。
另外，在IMS***中还包括边界网关控制功能实体（BGCF, Borde Gateway Control Function）、媒体网关控制功能实体（MGCF, Media Gateway Control Function）和IP多媒体域媒体网关（IM-MGW,IP Multimedia system-Media Gateway）完成IMS与其它网络间的互通，以及媒体资源功能点（MRFP, Medla Resource Function Point）和媒体资源控制功能实体（MRFC, Media ReSource Function Control）实现谋体资源功能，即提供放音、会议等资源。
参考图2，为现有技术HSS的逻辑功能示意图。HSS逻辑功能没有按照IMS功能和非IMS功能进行划分，即IMS功能和非IMS功能都包含这些逻辑功能。总体上，HSS具有移动性管理、标识处理、支持业务提供、支持应用业务、支持用户安全性、接入授权、产生用户安全信息、支持业务授权、支持呼叫/会话建设、支持智能业务等功能。另外，HSS通过记录每个IMS用户的用户信息和业务数据，配合CSCF完成最重要的路由功能、漫游功能，同时HSS提供认证、授权、IMS与IP地址映射、位置定位功能等。用户信息包括：用户号码、地址信息；用于认证和授权的安全信息；支持用户注册、记录不同***间的位置信息；用户特征数据等，业务数据则包括业务触发规则和业务触发逻辑等。
参考图3，为本发明的整体***的组成示意图。整体上，***包括用于实现数字电视网络连通的机顶盒或数字电视终端、用于对媒体资源、业务数据等进行存储、处理、业务实现的服务器及程序。其中，服务器或服务器集群中，至少具有一个归属用户管理服务器和一个内容发布服务器。内容发布服务器和归属用户管理服务器通过互相开放的接口如IP接口、呼叫控制单元接口等进行业务的协作和数据的流通。归属用户管理服务器是一个独立于承载网络的功能实体，其实现包括与内容服务器多媒体处理单元相连的IP处理接口，用于记录所述多媒体处理单元处理所需的、支持***功能实现的相关用户信息和业务信息，以配合所述多媒体处理单元完成用户的网络接入控制、呼叫／会话控制和业务处理等功能。
又如图3所示，内容发布服务器内部集成IP多媒体处理单元、内容服务数据库、专门从既有IMS***划分出来用于处理网络接入及相关业务应答的HLR*等功能模块。其中，IP多媒体处理单元，其功能与现有IMS***的技术相同，主要用于处理用户网络接入控制、以及呼叫／会话控制和业务处理。具体来说，所述IP多媒体处理单元可由呼叫控制单元、初始会话协议应用服务器单元、IP业务交换功能单元及其他一些多媒体处理资源组成。呼叫控制单元，其功能与现有技术相同，主要用于实现IP多媒体***移动性管理、用户接入鉴权、用户业务授权、信息的加密解密的安全性处理、呼叫／会话控制；初始会话协议应用服务器单元，其功能与现有技术相同，主要用于实现各种应用业务处理。内容服务数据库是用于存放音、视频资源，各种服务内容的基础资源数据，存放业务实现的数字文件等。HLR*则主要用于实现与承载网络密切相关的各种功能。
又如图3所示，运行时，直接面向承载网络和各种电视终端的是内容发布服务器，而归属用户管理服务器则专门用于处理与IMS直接相关的业务与用户信息。两个服务器的相互协作共同完成面向数字电视的各种数据的提供、业务流控制和服务的实现。
参考图4,为本发明采用的归属用户管理服务器的是经过分离的HSS*，它相对于传统的HSS，它专门针对于实现直接与数字电视业务直接相关的IMS功能，而将其他与接入方式和承载网络相关的非IMS功能分离出单独的HLR*,并部署于内容发布服务器使其和各承载网络共同实现IMS的相关非IMS功能， 这样既均衡了服务器之间的负载，同时，由于归属用户管理服务器的各种服务流和组件，与接入网络类型，网络传输协议分离，实现了本IMS通用性，同时也增强了整体***的网络兼用性，实现各种业务的跨网络协作。
对比图2和图4，图2和图5，图5是从现有归属用户服务器划分出去的非IMS功能的逻辑功能示意图，为实现IMS的接入无关性，即IMS与承载网络的分离，需要重新定义IMS***的HSS功能实体和接口，将原HSS实体划分为两个逻辑功能实体，一个保留在IMS中，完成原HSS中的IMS功能（即图4的HSS*）；一个从IMS中剥离出去，成为承载网络的一部分，完成原HSS中非IMS功能（即图5的HLR*）。HSS*支持的IMS***功能主要包括：IMS移动性管理，IMS标识处理，产生IMS用户安全信息，支持IMS业务授权，支持IMS用户安全性，IMS接入授权，支持IMS业务提供，支持IMS应用业务，支持IMS会话建立，以及支持智能业务等，它通过C接口与SCF、Sh接口、Si接口、Cx接口分别与IP多媒体域IMS，CSCF，SIPAS，IM-SSF相联通。而对于HLR*它支持的功能内容与传统的HSS相同，区别在于采用了内部只集成C、D接口面向电路域CS，MSC，GMSC，C接口配对SCF，Gr接口、Gc接口面向服务分组域PS，MGSN，GGSN。HLR*在承载网络支持的功能主要包括：移动性管理、标识处理、产生用户安全信息、支持业务授权、支持用户安全性、接入授权、支持业务提供、支持应用业务、支持会话建立以及支持智能业务等。在归属用户服务器的HSS*记录每个IMS用户的用户信息和业务数据，具体包括IMS用户相关信息如下：用户标识、号码和地址信息；用户安全信息，即鉴权和授权的网络接入控制信息；用户位置信息，即支持用户登记，保存***间位置信息等；用户业务信息等等。具体接口方面，所述归属用户服务器设置有与所述呼叫控制单元的接口，用于所述归属用户服务器向所述呼叫控制单元传递用户安全参数、用户业务信息，同时用于所述呼叫控制单元向所述归属用户服务器传递所述呼叫控制单元的能力信息、会话信令传输参数；设置有与所述初始会话协议应用服务器单元的接口，用于所述归属用户服务器向所述初始会话协议应用服务器传递透明数据，包括业务相关信息和用户相关信息；设置有与所述IP业务交换功能单元的接口，用于所述归属用户服务器向所述IP业务交换功能单元传递智能业务签约信息。
本发明除了上所述的将传统的IMS***的HSS进行了专门针对IP的IMS业务进行了从接口到域分离，从而形成不同的HSS*和HLR*并将HSS*部署于独立于网络承载体的归属用户服务器，将HLR*部署于直接面向不同网络接入和协作的内容发布服务器，实现了数字电视远程服务中心的通用性外，另一方面，在内容发布服务器存储包括具有至少二个可视显示模式的描述符以及用于在包含于该同一文件中的所述至少二个可视显示模式之间进行切换的手段的数字文件，在用户端的数字电视或机顶盒设置有随机存取存储器和一个内容咨询插件；该随机存取存储器用于临时存储从内容服务器数据库下载的数字文件，该内容咨询插件用于按照下载的页面的描述符可视地显示服务内容，内容咨询插件通过检测电视的遥控器的操作键并当数字文件产生的显示的非活动区时，执行所述切换以获得满足用户视觉和硬件性能的现实模式和服务模式。在这里所述的可视显示模式之一对应于一个可视显示，其所产生的显示大于包含在同一数字文件内的第二可视模式的显示，该数字文件包含可视显示区域的几何形式的描述符。
***首次运行时，用户的数字电视或机顶盒端显示一个安装内容咨询插件的命令窗口，用户确认后，自动执行插件程序段并加载可视显示模式的描述符和切换手段。通过内容咨询插件的监测遥控器的操作允许该显示模式切换指令菜单被激活。以后的运行时，内容咨询插件的窗口允许对于称为'动画（animated）向导'的特定文件的内容进行搜索和访问。这个页面允许使用文本搜索条件搜索内容服务器，并且该服务器地址的标志被存储，这里内容服务器的数字组成部分被搜索。这些组成部分然后被加载进用户终端的RAM中。这些组成部分由已经安装咨询插件的浏览器或播放器所认可，然后无需重复出现安装咨询插件程序的菜单而执行所有来自于归属用户服务器的程序和现实来自内容发布服务器的内容和服务。下面的描述涉及一个格式化特定组成部分的例子：一个窗口开始标志；一个放在包含访问存储器资源指令的区段之前的标志；一个放在包含用于处理所述资源的指令的区段之前的标志；一个或多个放在包含可视目标限定区段之前的标志；在不只一个标志被显示的情况下，每个标志对应于这些目标的限定，其中这些目标对应于同样内容文件的显示模式之一。在单个标志的情况下，该目标的限定包括有条件的显示指示符，该指示符对应于所述显示方式；一个结束标志；可视目标的限定涉及文本、文本信息组、图像、几何形式、递减计数等等的显示。一个文件包括至少二个并且最好是三个不同的对于每个模式的限定。某些继承的模式包括静态目标限定，其它的可以包含动态的目标描述符，诸如链接到其他的资源或文件。

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  1. 一种应用于数字电视的多媒体业务管理***，包括分别至少一个与计算机网络连接的归属用户服务器和内容发布服务器、一个或一个以上与数字电视网络连通的机顶盒/电视终端，内容发布服务器具有至少一个数据库和一个用于处理用户网络接入控制、呼叫／会话控制和业务处理的IP多媒体处理单元，其特征在于，
    所述内容发布服务器通过连接网络与机顶盒/电视终端互联；
    所述归属用户服务器为独立于连接网络的功能实体，且该功能实体为分离型实体，其保留直接实现与数字电视业务相关的IMS功能处理模块，而将与接入方式和承载网络相关的非IMS功能处理模块分离出来，形成单独的分离型归属位置寄存器（HLR*），并将分离型归属位置寄存器（HLR*）设置在内容发布服务器上；
    所述归属用户服务器与内容发布服务器通过设置的 互相开放的接口相互连接。
  2. 如权利要求1所述的应用于数字电视的多媒体业务管理***，其特征在于所述IMS功能处理模块包括IMS移动性管理，IMS标识处理，支持IMS业务提供、支持IMS应用业务、支持IMS用户安全性、IMS接入授权、产生IMS用户安全信息，支持IMS业务授权，支持IMS会话建设以及支持智能业务。
  3. 如权利要求1所述的应用于数字电视的多媒体业务管理***，其特征在于所述分离型归属位置寄存器（HLR*）包括移动性管理、标识处理、支持业务提供、支持应用业务、支持用户安全性、接入授权、产生用户安全信息、支持业务授权、支持呼叫/会话建设、支持智能业务。
  4. 如权利要求1所述的应用于数字电视的多媒体业务管理***，其特征在于，所述IP多媒体处理单元包括：呼叫控制单元，用于实现接入***的IP 设备移动性管理、用户接入鉴权、用户业务授权、信息的加密解密的安全性处理、呼叫／会话控制；初始会话协议应用服务器单元，用于实现各种应用业务处理；IP业务交换功能单元，用于外接业务控制点以实现智能业务。
  5. 如权利要求1所述的应用于数字电视的多媒体业务管理***统，其特征在于，所述互相开放的接口包括IP处理接口以及呼叫控制单元接口。
  6. 如权利要求1所述的应用于数字电视的多媒体业务管理***，其特征在于，所述机顶盒/电视终端设置有虚拟随机存取存储器和一个内容咨询插件；该虚拟随机存取存储器用于临时存储从内容发布服务器数据库下载的数字文件，该内容咨询插件用于按照下载的页面的描述符可视地显示服务内容。
  7. 如权利要求6所述的应用于数字电视的多媒体业务管理***统，其特征在于，所述的内容发布服务器内的数字文件包括具有至少二个可视显示模式的描述符以及包含于该同一文件中的用于在所述至少二个可视显示模式之间进行切换的技术描述。
  8. 如权利要求7所述的应用于数字电视的多媒体业务管理***，其特征在于，所述的第一可视显示模式对应于一个可视显示，其所产生的显示大于包含在同一数字文件内的第二可视模式的显示，而数字文件包含可视显示区域的几何形式的描述符。
  9. 如权利要求7所述的应用于数字电视的多媒体业务管理***，其特征在于所述内容咨询插件通过检测机顶盒/数字电视终端的遥控器的操作键并当数字文件产生的显示为非活动区时，执行所述切换以获得满足用户视觉和硬件性能的现实模式和服务模式。
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