CN101188735A - A method for ordering IPTV terminal program in next-generation communication network - Google Patents
A method for ordering IPTV terminal program in next-generation communication network Download PDFInfo
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- CN101188735A CN101188735A CNA2006101458173A CN200610145817A CN101188735A CN 101188735 A CN101188735 A CN 101188735A CN A2006101458173 A CNA2006101458173 A CN A2006101458173A CN 200610145817 A CN200610145817 A CN 200610145817A CN 101188735 A CN101188735 A CN 101188735A
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Abstract
The invention discloses an IPTV terminal program on-demand method in a next generation network. The invention comprises the following steps: the program on-demand request sent by an IPTV terminal is received; the request is converted into a SIP message and the SIP message is transmitted to a call session control function unit I/S-CSCF; after obtaining program on-demand resource information through an IPTV application server, the I/S-CSCF feeds back successful response information and program resource information; after being received and converted into an information format which is supported by the IPTV terminal, the successful response information and the program resource information are transmitted to the IPTV terminal; the IPTV terminal is successfully connected with the request of a content distribution and transport network through the received program resource information, and then is connected with the content distribution and transport network. According to the method of the method, the IPTV service operator based on an IMS communication network is not required to set up a network over again, and can conveniently provide the PTV program on-demand service.
Description
Technical field
The present invention relates in next-generation communication network (Next Generation Network is called for short NGN), provide the technology of IPTV business, specifically, relate to the method for IPTV terminal program program request in a kind of next-generation communication network.
Background technology
At present, frame structure has been determined in the research of NGN substantially.Except management layer, NGN also comprises user level, transmission aspect, service control layer face and application etc.IP Multimedia System (IPMultimedia Sub-system is called for short IMS) is the major function entity sets of service control layer face.Can realize registration, authentication, authentication, the QoS management and assurance of user and terminal equipment by IMS, simultaneously, IMS supports multiple user's access technology, supports the nomadic and mobile management of user, support and other legacy networks or next generation network intercommunication the fusion of supporting business.IMS is based on Session Initiation Protocol, has been considered to major technique and architectural framework that next generation network merges.
IPTV is a kind of the Internet broadband of utilizing, and integrates multiple technologies such as multimedia, communication, and the brand-new business of the multiple interactive services that comprises Digital Television is provided to the domestic consumer.IPTV passes through telecommunication path, utilize ADSL or Ethernet access band net, internet protocol-based transmits TV signal, adds set-top box (Set-Top Box with television set, be called for short STB) be main terminal, the multiple digital media service that comprises TV programme is provided.
Present IPTV system group network model is fairly simple, mainly is to be made of service management control and two parts of professional dispensing.The former comprises professional payment system, backstage accounting system and digital publishing rights system, mainly is that the latter is managed and controls.The latter comprises video source system, Video service network, broadband access network and ustomer premises access equipment, and major function is for carrying out Video processing, storage, distribution, transmission and broadcast etc.User and professional provider are based on the client and server model mechanism in the business realizing.
Except can be shared as the broadband access network of carrying, the structure of IPTV is irrelevant with next-generation communication network basically.For supporting the IPTV business, operator often needs to rebuild an IPTV business network.And because rebuild network, professional being difficult to of IPTV merged mutually with various communications and multimedia service that next generation network is supported, thereby can't realize composite service.Along with telecom operators develop to full-service operator and service provider's direction, press for the technology that the multiple business that comprises IPTV can be provided on a communication network, to realize shared network resource, unified operation management, to cut operating costs.
Summary of the invention
Technical problem to be solved by this invention provides the method for IPTV terminal program program request in a kind of next-generation communication network, make that operator need not existing a large amount of IPTV terminal is made amendment and upgraded, just can in next-generation communication network, provide IPTV play-on-demand program business.
In order to solve the problems of the technologies described above, the invention provides the method for IPTV terminal program program request in a kind of next-generation communication network, comprise the steps:
(1) receives the play-on-demand program request that the IPTV terminal sends;
(2) convert the play-on-demand program request that receives to sip message, and send to the CSCF unit I/S-CSCF of IMS core net;
(3) I/S-CSCF after the resource information of acquisition IPTV terminal institute request program, feeds back successful respond information and described program resource information by the IPTV application server;
(4) receive successful respond information and the program resource information that I/S-CSCF sends, and after converting thereof into the information format of IPTV terminal support, send to the IPTV terminal;
(5) the IPTV terminal is passed through the program resource information that received, after the content distribution and transmitting the network requests successful connection, with the content distribution with transmit network and connect.
Wherein, in the described step (1), described IPTV terminal can be selected the program of expectation program request by in the acquired IPTV business information, sends described play-on-demand program request.
Wherein, in the described step (3), described I/S-CSCF is by described IPTV application server, obtains the resource information of described IPTV terminal institute request program, can comprise the steps:
(31) described I/S-CSCF sends to described IPTV application server with described sip message;
(32) described IPTV application server is according to the described sip message that receives, and determines the resource information of described IPTV terminal institute request program;
(33) described IPTV application server sends described successful respond information and described program resource information to described I/S-CSCF.
Further, in the described step (32), described definite described resource information can comprise that the IPTV application server passes through and the content distribution is mutual with the media resource function controller MRFC and the media resource processing function unit MRP-FE of transmission network, determines described resource information.
Further, in the described step (32), described definite described resource information can comprise that described IPTV application server passes through internal mechanism, determines described resource information.
Wherein, in the described step (3), described successful respond information can comprise 200 message of session initiation protocol SIP.
Wherein, in the described step (3), described resource information can comprise the transport address that allows user capture.
Further, described transport address can comprise the transport address of media resource processing function unit MRP-FE.
Wherein, in the described step (3), described resource information can comprise the programme content encoding format information.
Compared with prior art, the present invention is by providing the technology of IPTV business on communication network, realized shared network resource, unified operation management, cut operating costs, need not rebuild network, just can in based on the IMS communication network, provide IPTV play-on-demand program business easily for the user.
Description of drawings
Fig. 1 is that hypertext call transmission session control functional equipment inserts the system schematic based on the next generation network of IMS;
Fig. 2 is the structural representation of hypertext call transmission session control functional equipment;
Fig. 3 is the IPTV terminal is finished play-on-demand program embodiment by hypertext transmission session controlled function equipment a schematic flow sheet.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Next generation network of the present invention is meant the next-generation communication network based on the IMS structure, or the mobile communications network of IP Multimedia System function is provided.
As shown in Figure 1, hypertext call transmission session control functional equipment inserts the system schematic based on the next generation network of IMS, and the system that inserts the IPTV service terminal mainly comprises following functional unit:
CSCF unit CSCF handles the function relevant with session control and the route of conversation message, can be subdivided into inquiry class I-class and service class S-class, is commonly referred to as I/S-CSCF.
Proxy-Call Session Control Function unit P-CSCF is the IMS network user's first osculating element at service control layer, receives the service request of the dialogue-based control of user.Interface between P-CSCF and the I/S-CSCF is a Mw.
Service-user list function unit and authentification of user authentication functions cell S UP-FE/SAA-FE are used to support and provide user's data such as authentication, authentication, service profile.Described functional unit is also referred to as SLE-FE, HLR or HSS etc. in some next generation network technology.
Media resource function controller and media resource processing function unit MRFC/MRP-FE are for network and user provide multimedia resources such as voice, meeting, notice.In the IPTV service application, be used to deposit the Voice ﹠ Video flow data, finish distribution of IPTV content and propagation function.In some technical descriptioon, claim that such functional unit is DDN, CDN etc.
The gateway control function unit B of running away GCF is in order to select IMS to the public switch telephone network Media Gateway Controller unit of (Public Switched Telephone Network is called for short PSTN).
Media Gateway Controller and Trunk Media Gateway functional unit MGCF/TMG-FE are used to realize the intercommunication of IMS system and PSTN network.
Signaling gateway function cell S G-FE is used to realize the intercommunication with PSTN network traditional signaling message.
Intercommunication borde gateway control unit and Interconnection Border Gateway Function unit IBC-FE/IBG-FE are used for realizing and other next-generation communication network intercommunications.
Network attachment controlled function and resource and access control function NACF/RACF are the major function set that transmits key-course, and functions such as IP address assignment, location management, acess-in layer authentication and resource reservation, QoS management are provided.
The user terminal UE of next-generation communication network it is generally acknowledged to be based on SIP and session control.
IPTV service terminal STB can be a TV set-top box, also can be general computer terminal.Described STB is not based on SIP and conversation control function.
Except that management layer function and application aspect function, the above-mentioned functions unit is organized by transmission aspect and service control layer face in Fig. 1.
Hypertext call transmission session control functional equipment H-CSCF supports the Mw between P-CSCF and the I/S-CSCF, can initiate and stop the session control request, finishes functions such as registration, authentication, authentication for the IPTV terminal use.H-CSCF equipment is supported the EPG function of IPTV business, can receive the user video order request, and finishes the conversion of the Mw message of user's request and dialogue-based control, realizes video on-demand function by the next-generation communication network based on IMS.
H-CSCF also can support Rs and the e2 of P-CSCF and NACF and RACF, can carry out the relevant management of QoS alternately with transmission control layer.H-CSCF also can support the direct interface with the application function layer, the business that bypass IPTV terminal use and authentication or session are irrelevant.
H-CSCF simple implementation is to get on the EPG server in existing IPTV system, transplants the Mw protocol function between P-CSCF and the I/S-CSCF.The EPG server has been supported the EPG function, supports existing various IPTV terminals to insert, and just can realize and the I/S-CSCF intercommunication after realizing the Mw function, finishes the function with IPTV terminal user access to IMS core net.
The another kind of implementation of H-CSCF is to support IPTV terminal access capability on existing P-CSCF equipment.Existing IPTV terminal is not generally supported Session Initiation Protocol, can be by the Http agreement being provided on P-CSCF and supporting the EPG function to realize the H-CSCF function.
As shown in Figure 2, the structural representation of hypertext call transmission session control functional equipment.Hypertext call transmission session control equipment (H-CSCF) comprises following several functional module:
Web service module: support Http agreement and Web server function, be used for communicating, receive and identify the request that the IPTV terminal sends, reply and issue the correct EPG page to IPTV terminal feedback with described IPTV terminal.
Session Initiation Protocol module: support session initiation protocol (SIP), from sending sip message based on reception the IMS network of SIP or to the IMS network.
EPG functional module: comprise that two of information gathering and template constructs are in functional module.
Information acquisition module is finished the collection of content program inventory and is converted thereof into the inner EPG information of H-CSCF.Content program singly can obtain from Content Management System, also can be keeper's direct input.
Template construct module invokes EPG template provides the EPG arrangement pattern of multilevel menu; The display mode of station symbol is set, meets the custom of watching of TV user; Distribute different EPG template ID according to user type, service authority; And to the storage administration of classifying of EPG template.
Business function module: comprise service management function, subscriber information management and three sub-function module of IMS client.
Service management function is the core of business function module, receives user's request from the Web service module, obtains content information from information acquisition module, according to the template construct of user's correspondence and generate the corresponding EPG page, and is handed down to the user by the Web service function.Service management function is the intermediary of IPTV terminal and IMS network (I/S-CSCF), carries out the conversion of incident such as user's registration, authentication, video request program and message.
The subscriber information management function is used for information such as the account number, type, authority of stored user.These data can be deposited in the network in other databases, as leave on the SUP-FE.When deposit data during, can be downloaded and leave in the subscriber information management function by H-CSCF at other databases.
The IMS client functionality is responsible for the net element communication with the IMS network, receives the message of these network elements and with result and event notifications services management function module.H-CSCF supports the Mw function by this functional module.
The equipment entity that comprises a large amount of IMS communication networks among Fig. 1, but according to the present invention, be these equipment not to be carried out function to change.For example, the entities such as NACF, RACF in MGCF, TMG-FE, BGCF and the transmission network do not relate to function in the present invention and change.
In addition, what is called does not relate to function changes, and the function that is interpreted as entity need not revised, and need not revise etc. as the software and hardware function, but not represent that data configuration etc. does not need to change.For example, be to support the authentication of IPTV business, own user account number of setting up and password, rights management, the professional related data of registering in the former IPTV system should be placed on the SUP-FE of IMS, the arrangement of this related data is the problem that increases configuration, perhaps only is simple modification.In conjunction with purpose of the present invention, this is to realize easily to those skilled in the art.
As shown in Figure 3, the IPTV terminal is finished the schematic flow sheet of play-on-demand program embodiment by hypertext transmission session controlled function equipment:
301) the IPTV terminal use is by from the IPTV business information that hypertext call transmission session control functional equipment H-CSCF obtains, and the program of selecting expectation to subscribe to sends the video request program request to H-CSCF.
302) H-CSCF receives IPTV terminal order request, converts sip message at device interior, and this message is sent to the CSCF unit I/S-CSCF of IMS core net.
303) (Invite) message is initiated in the I/S-CSCF SIP session that requires request program that receives H-CSCF, represents the sip message handled to continue to handle this order request to the H-CSCF loopback earlier.
304) I/S-CSCF sends sip message to IPTV application server (IPTV AS), is IPTV terminal processes order request.
305) IPTV AS receives the session initiation request of I/S-CSCF, and the message that responds SIP is being handled enters the processing procedure of determining the program resource information.
306) IPTV AS perhaps passes through internal mechanism by mutual with media resource function controller MRFC that transmits network and media resource processing function unit MRP-FE etc. with the content distribution, determines the resource information of IPTV terminal institute request program.This resource information comprises relevant informations such as the transport address of the MRP-FE that the IPTV terminal can be visited and programme content coded format.
307) IPTV AS gives I/S-CSCF with the program resource information of determining by 200 message informings of SIP.
308) I/S-CSCF receives 200 message of IPTV AS, to the resource information of H-CSCF notice IPTV terminal institute request program.
309) H-CSCF receives 200 message of I/S-CSCF, to IPTV terminal check program request success, and with program resource information notice IPTV terminal, finishes the signaling control flow of play-on-demand program.
310) the IPTV terminal is sent program resource connection request by the program resource information that H-CSCF notified to content distribution and transmission network.
311) content distribution and transmission network are replied IPTV terminal program resource connection request, and the program resource connects to be set up.The IPTV terminal use can watch the program of program request.
In sum, adopt the method for the invention, the IPTV service provider for having arranged based on the IMS communication network need not rebuild network, just can provide IPTV play-on-demand program business for the user easily.
Claims (9)
1. the method for IPTV terminal program program request in the next-generation communication network is characterized in that, comprises the steps:
(1) receives the play-on-demand program request that the IPTV terminal sends;
(2) convert the play-on-demand program request that receives to sip message, and send to the CSCF unit I/S-CSCF of IMS core net;
(3) I/S-CSCF after the resource information of acquisition IPTV terminal institute request program, feeds back successful respond information and described program resource information by the IPTV application server;
(4) receive successful respond information and the program resource information that I/S-CSCF sends, and after converting thereof into the information format of IPTV terminal support, send to the IPTV terminal;
(5) the IPTV terminal is passed through the program resource information that received, after the content distribution and transmitting the network requests successful connection, with the content distribution with transmit network and connect.
2. the method for claim 1 is characterized in that, in the described step (1), described IPTV terminal is selected the program of expectation program request by in the acquired IPTV business information, sends described play-on-demand program request.
3. the method for claim 1 is characterized in that, in the described step (3), described I/S-CSCF is by described IPTV application server, obtains the resource information of described IPTV terminal institute request program, comprises the steps:
(31) described I/S-CSCF sends to described IPTV application server with described sip message;
(32) described IPTV application server is according to the described sip message that receives, and determines the resource information of described IPTV terminal institute request program;
(33) described IPTV application server sends described successful respond information and described program resource information to described I/S-CSCF.
4. method as claimed in claim 3, it is characterized in that, in the described step (32), described definite described resource information, comprise that the IPTV application server passes through and the content distribution is mutual with the media resource function controller MRFC and the media resource processing function unit MRP-FE that transmit network, determine described resource information.
5. method as claimed in claim 3 is characterized in that, in the described step (32), described definite described resource information comprises that described IPTV application server passes through internal mechanism, determines described resource information.
6. the method for claim 1 is characterized in that, in the described step (3), described successful respond information comprises 200 message of session initiation protocol SIP.
7. the method for claim 1 is characterized in that, in the described step (3), described resource information comprises the transport address that allows user capture.
8. method as claimed in claim 7 is characterized in that, described transport address comprises the transport address of media resource processing function unit MRP-FE.
9. the method for claim 1 is characterized in that, in the described step (3), described resource information comprises the programme content encoding format information.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006101458173A CN101188735A (en) | 2006-11-17 | 2006-11-17 | A method for ordering IPTV terminal program in next-generation communication network |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006101458173A CN101188735A (en) | 2006-11-17 | 2006-11-17 | A method for ordering IPTV terminal program in next-generation communication network |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010028589A1 (en) * | 2008-09-10 | 2010-03-18 | 华为技术有限公司 | Method, device and system for push-service negotiation |
| CN101674298B (en) * | 2008-09-11 | 2012-03-21 | 华为技术有限公司 | Method, system and device for transmitting media contents in file mode |
| CN103475638A (en) * | 2013-07-29 | 2013-12-25 | 深圳市融创天下科技股份有限公司 | Media-data transmission method and system |
| RU2532263C2 (en) * | 2008-06-24 | 2014-11-10 | Зте Корпарейшен | Interactive iptv system and method for content distribution therein |
| CN105100147A (en) * | 2014-05-09 | 2015-11-25 | 中兴通讯股份有限公司 | Controlmethod and device based on separation of content provider and service provider |
-
2006
- 2006-11-17 CN CNA2006101458173A patent/CN101188735A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2532263C2 (en) * | 2008-06-24 | 2014-11-10 | Зте Корпарейшен | Interactive iptv system and method for content distribution therein |
| WO2010028589A1 (en) * | 2008-09-10 | 2010-03-18 | 华为技术有限公司 | Method, device and system for push-service negotiation |
| CN101674298B (en) * | 2008-09-11 | 2012-03-21 | 华为技术有限公司 | Method, system and device for transmitting media contents in file mode |
| CN103475638A (en) * | 2013-07-29 | 2013-12-25 | 深圳市融创天下科技股份有限公司 | Media-data transmission method and system |
| CN103475638B (en) * | 2013-07-29 | 2016-09-07 | 融创天下（上海）科技发展有限公司 | A kind of media data transmission method and system |
| CN105100147A (en) * | 2014-05-09 | 2015-11-25 | 中兴通讯股份有限公司 | Controlmethod and device based on separation of content provider and service provider |
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