WO2011127713A1 - Système de gestion de services multimédias pour l'application à la télévision numérique - Google Patents
Système de gestion de services multimédias pour l'application à la télévision numérique Download PDFInfo
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- 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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- Prior art keywords
- service
- ims
- digital television
- support
- multimedia
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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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/612—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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Abstract
L'invention concerne un système de gestion de services multimédias pour l'application à la télévision numérique, dans le domaine de la technologie des communications. Le système comprend au moins un serveur de gestion d'abonnés domestiques et un serveur de contenus se connectant à un réseau informatique respectivement, et un ou plusieurs terminaux de télévision se connectant à un réseau de télévision numérique, le serveur de contenus comprenant au moins une base de données et une unité de traitement multimédia IP pour traiter la commande d'accès au réseau d'abonnés, la commande d'appel/de session et le traitement de services. Le système est caractérisé en ce que la configuration de la télévision comprend une mémoire vive et une unité enfichable consultative de contenus ; et le serveur de gestion d'abonnés domestiques est une entité fonctionnelle indépendante d'un réseau porteur, et comprend une interface de traitement IP se connectant à l'unité de traitement multimédia du serveur de contenus. L'utilisation du terminal de télévision dans le système selon l'invention peut réaliser la commutation libre sur des modes d'affichage pour un service spécifique dans le but d'obtenir un mode optimal adéquat pour l'affichage d'un dispositif, et peut également garantir l'affichage correct des contenus et la qualité d'interaction.
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CN201010153632A CN101867567A (zh) | 2010-04-16 | 2010-04-16 | 一种应用于数字电视的多媒体发布和管理*** |
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CN1716965A (zh) * | 2004-06-14 | 2006-01-04 | 华为技术有限公司 | Ip多媒体*** |
CN101090416A (zh) * | 2006-09-29 | 2007-12-19 | 中兴通讯股份有限公司 | 基本业务补充业务实现***及方法 |
US20100041398A1 (en) * | 2008-08-14 | 2010-02-18 | Donna Michaels Sand | Method for providing wireless subscriber services |
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CN101197832B (zh) * | 2007-12-13 | 2012-01-25 | 华为技术有限公司 | 一种实现iptv业务的方法、***、装置 |
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CN1716965A (zh) * | 2004-06-14 | 2006-01-04 | 华为技术有限公司 | Ip多媒体*** |
CN101090416A (zh) * | 2006-09-29 | 2007-12-19 | 中兴通讯股份有限公司 | 基本业务补充业务实现***及方法 |
US20100041398A1 (en) * | 2008-08-14 | 2010-02-18 | Donna Michaels Sand | Method for providing wireless subscriber services |
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