CN101287155A - Method and system for discovering stream media service - Google Patents

Method and system for discovering stream media service Download PDF

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Publication number
CN101287155A
CN101287155A CN200710100590.5A CN200710100590A CN101287155A CN 101287155 A CN101287155 A CN 101287155A CN 200710100590 A CN200710100590 A CN 200710100590A CN 101287155 A CN101287155 A CN 101287155A
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China
Prior art keywords
information
service
unit
discovering
service selection
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CN200710100590.5A
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CN101287155B (en
Inventor
李幼颖
严军
王丰
吴向阳
李金成
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Beijing Zhigu Tech Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN200710100590.5A priority Critical patent/CN101287155B/en
Priority to PCT/CN2008/070694 priority patent/WO2008122246A1/en
Publication of CN101287155A publication Critical patent/CN101287155A/en
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Publication of CN101287155B publication Critical patent/CN101287155B/en
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    • 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
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention provides a method and a system for finding out streaming media services. The method is that: the network side of an IP multimedia sub-system (IMS) generates service choosing information and service finding information and sends the service finding information to a UE according to the information for the UE to be connected into the IMS network; the UE obtains the service choosing information generated by the IMS network side according to the service finding information. Based on the IMS technology, a service finding unit can automatically send the service finding information to the UE according to the information for the UE to be connected into the IMS network; the UE obtains the service choosing information according to the service finding information, thus the user can simply and conveniently complete the obtaining of the service choosing information with no need of complicated operations and has better experience.

Description

A kind of method and system of finding streaming media service
Technical field
The present invention relates to multimedia technology field, particularly a kind of method and system of finding streaming media service.
Background technology
IP Multimedia System (IMS) is a subsystem that is superimposed upon in Wideband Code Division Multiple Access (WCDMA) (WCDMA) network that increases in third generation partner program version 5 (3GPP R5) stage on the existing packet domain, adopt the bearer path of packet domain for its upper strata control signaling and media delivery, introduce Session Initiation Protocol as professional control protocol, by business control is separated with carrying, provide abundant multimedia service.SIP is by one of multimedia communications system framework agreement of Internet engineering duty group (IETF) formulation, be used to set up, the application layer protocol of change or ending multimedia session, cooperate with agreements such as real-time transport protocol (rtp)/RTCP Real-time Transport Control Protocol (RTCP), Session Description Protocol (SDP), real time streaming protocol (rtsp)s, finish session foundation and media negotiation among the IMS jointly; In case set up session, Media Stream will use Real-time Transport Protocol directly to transmit in bearing bed, can mutual neatly multiple medium in a session.
Streaming media service is a kind of new business that developed rapidly in recent years, streaming media service utilization stream transmission technology is transmitted multimedia file on packet network, comprise file contents such as video, audio frequency, these contents need not just to download fully and can play immediately when visit.The stream transmission technology is put into continuous video and audio-frequency information on the service server in the network after treatment, allows the user watch while downloading, to listen to, and whole file such as does not need to download to the network transmission technology that just can watch behind the machine of oneself.
When realizing streaming media service, generally need provide service selection information, for the user provides navigation or carries out service selection for the user to the user such as electronic program list.Fig. 1 is a streaming media service structure chart of the prior art, as shown in Figure 1, when user terminal (UE) need carry out the streaming media service selection, service discovering and selected cell (SISF according to fixed configurations among the UE, Service Discovery andCollection Information Serving Function) address sends request to SISF, after SISF receives the request of UE, send service selection information to UE, UE carries out service selection according to this service selection information then.Above-mentioned user terminal obtains the process of service selection information for finding the process of streaming media service.As can be seen from Figure, other unit of SISF and IMS network side does not have interface, does not effectively utilize the function of other unit in the IMS network.
In the method, when UE need carry out the streaming media service selection, must in UE, address and the active of fixed configurations SISF send request, can obtain service selection information to SISF, so this method can not automatically obtain service selection information, has brought relatively poor user experience.
Summary of the invention
In view of this, first purpose of the embodiment of the invention is to provide a kind of method of finding streaming media service, so that can automatically obtain service selection information.
Second purpose of the embodiment of the invention is to provide a kind of system that finds streaming media service, so that can automatically obtain service selection information.
In order to realize above-mentioned first purpose, the embodiment of the invention provides a kind of method of finding streaming media service, this method comprises: the IMS network side generates service discovering information and service selection information, and according to the information that UE inserts the IMS network, described service discovering information is sent to UE; UE obtains described service selection information according to described service discovering information.
In order to realize above-mentioned second purpose, the embodiment of the invention provides a kind of system that finds streaming media service, and this system comprises: user terminal UE, service discovering unit and service selection unit;
UE inserts IP Multimedia System IMS network, receives the service discovering information that the service discovering unit sends, and obtains service selection information according to described service discovering information;
The service discovering unit generates service discovering information, and according to the information that UE inserts the IMS network, service selection information is sent to UE;
The service selection unit generates service selection information, and the service selection information that generates is sent to UE.
The method and system of the discovery streaming media service that the embodiment of the invention provided, based on the IMS technology, the service discovering unit can insert the information of IMS network according to UE, automatically service discovering information is sent to UE, UE obtains service selection information according to this service discovering information, and do not need to resemble in the prior art, user terminal initiatively sends the request of obtaining service selection information and the address of initiatively knowing the SISF unit just can obtain service selection information, the user can not need complex operations can obtain to finish obtaining of service selection information simply and easily among the present invention, realize automatic discovery streaming media service, brought user experience preferably.
Description of drawings
Fig. 1 finds and choice structure figure for the streaming media service that prior art provides;
The system construction drawing of the discovery streaming media service that Fig. 2 provides for the embodiment of the invention;
The system architecture 1 of the discovery streaming media service that Fig. 3 provides for the embodiment of the invention;
Fig. 4 is the method flow diagram of the discovery streaming media service that carries out on Fig. 3 system architecture;
The system architecture 2 of the discovery streaming media service that Fig. 5 provides for the embodiment of the invention;
Fig. 6 is the method flow diagram of the discovery streaming media service that carries out on Fig. 5 system architecture;
The system architecture 3 of the discovery streaming media service that Fig. 7 provides for the embodiment of the invention;
Fig. 8 is the method flow diagram of the discovery streaming media service that carries out on Fig. 7 system architecture;
Fig. 9 is Service Control Unit that embodiment provides obtains multicast address from professional selected cell a flow chart for the present invention;
Figure 10 for the present invention be embodiment provide service selection unit and Service Control Unit are arranged on a system architecture diagram among the equipment SISF.
Embodiment
In order to make above-mentioned purpose, technical scheme and advantage clearer, the present invention is described in detail below in conjunction with specific embodiment.
The method and system of the discovery streaming media service that the embodiment of the invention provided all is based on the IMS technical foundation the automatic discovery that realizes streaming media service.
The main method that the embodiment of the invention provides is: the IMS network side generates service selection information and service discovering information, and according to the information that UE inserts the IMS network, described service discovering information is sent to UE; UE obtains the service selection information that described IMS network side generates according to described service discovering information.
Described service discovering information can be the address information of service selection unit, also can provide the multicast address information of service selection information etc.
Described service selection information can be electronic program list, also can be channel identication, also can be program identification of time-frequency request program etc.Described UE can carry out browsing or selecting of streaming media service according to service selection information.
The system of the discovery streaming media service that the embodiment of the invention is provided is described in detail below.As shown in Figure 2, this system mainly comprises: UE 201, service discovering unit 202 and service selection unit 203;
UE 201, insert the IMS network, and obtain service selection information according to the service discovering information that service discovering unit 202 sends.
Service discovering unit 202 generates service discovering information, and according to the information that UE 201 inserts the IMS network, service discovering information is sent to UE 201.
Service selection unit 203 generates service selection information.
Described service selection unit can be electronic program list (EPG) server.
This system can also comprise IMS nuclear (CORE IMS) 204 in addition, is used to receive the IMS register requirement that UE 201 sends, UE 201 is carried out the IMS registration after, initiate third-party registration to service discovering unit 202;
After service discovering unit 202 carries out third-party registration, obtain the information that UE 201 inserts the IMS network.
This system can also comprise state server 205, after the subscription of reception service discovering unit 202, and the state of monitoring UE 201, and after monitoring UE 201 access IMS networks, the information that UE 201 is inserted the IMS networks is notified to service discovering unit 202.
In addition, service selection unit 203 can also obtain the state information of UE 201 from state server 205, and sends the service selection information according to this state information to UE 201.
Described state information can described state of user information can comprise user's watching habit or the ability of UE etc.For example: according to the user's who comprises in the state of user information watching habit, the service selection unit can like the user electronic program list of the program watched to send to UE; Also can be according to the ability of the UE that comprises in the state of user information, the electronic program list of the program that UE can be watched sends to UE.
This system can also comprise user data management unit 206, be used to store UE 201 authentication information and/subscription data;
Service discovering unit 202 obtains the authentication information of UE 201 from user data management unit 206, and UE 201 is carried out authentication, and authentication sends service discovering information by the back to UE.
Service selection unit 203 obtains the authentication information of UE 201 from user data management unit 206, UE 201 is carried out authentication, and authentication sends the service selection information by the back to UE 201.
Described service discovering unit obtains the subscription data of UE 201 from user data management unit 206, and sends the service discovering information according to the subscription information in the subscription data to UE 201;
Service selection unit 203 obtains the subscription data of UE 201 from user data management unit 206, and sends the service selection information according to the subscription information in the subscription data to UE 201.
This system also comprises media function unit 207, is used to receive the service selection information of sending service selection unit 203, and described service selection information is sent to UE 201 with the form of multicast; UE 201 adds corresponding multicast according to service discovering information and receives service selection information.
In addition, service selection unit 203 also can send to service selection information CORE IMS 204, sends to UE by CORE IMS 204 then.
Also system also comprises Service Control Unit 208, is used to receive UE and authorizes the request of sending here by IMS, obtains service selection information from professional selected cell 203, and authorizes by IMS and to give UE.
This Service Control Unit generally is used to carry out the session control of streaming media service.
The method of finding streaming media service below in conjunction with concrete set of systems in pairs is elaborated.The system architecture 1 that Fig. 3 provides for the embodiment of the invention, in the framework of Fig. 3, I1 is the interface between UE and the CORE IMS, UE carries out the IMS standards registration by this interface, inserts the IMS network, and can carry out data interaction between UE and the CORE IMS by this interface.
I2 is the interface between service discovering unit and the CORE IMS, is used for realizing the service discovering process by IMS mechanism, and for example the method for third-party registration finds that by this interface business the unit can send service discovering information to UE by CORE IMS.The agreement of this interface can be a Session Initiation Protocol.
I3 is the interface between service discovering unit and the user data management unit, is used for subscription data and the authentication information of service discovering unit by this interface acquisition UE, and the agreement of this interface can be a Diameter.
I4 is the interface between UE and the service selection unit, and UE obtains service selection information by this interface, realizes the browsing of available stream media business, selection etc.This interface protocol can be http protocol.
I5 is the interface between service selection unit and the user data management unit, is used for subscription data and the authentication information of service selection unit by this interface acquisition UE, and this interface protocol can be a Diameter.
I4 and I5 can exist simultaneously, also can choose one wantonly.
I6 is the interface between service selection unit and the CORE IMS, can be by this interface UE by CORE IMS to service selection unit requests service selection information, and the service selection unit also can send service selection information to UE by CORE IMS.This interface protocol can be a Session Initiation Protocol.
I10 is the interface between service selection unit and the Service Control Unit.Service Control Unit is mainly used in the session control of this system of realization, comprises clean culture, multicast conversation control etc.Can in the session control process, realize different business control or special service etc. is provided by obtaining service related information this interface business selected cell from Service Control Unit.Wherein different business controls can be code conversion, content protecting control etc.For example, Service Control Unit can obtain information such as multicast address from professional selected cell in the session control process.
I6 and I10 interface can exist, and also can not exist.
The method flow diagram of Fig. 4 for carrying out on Fig. 3 system architecture, UE inserts the IMS network by the mode of registration in this flow process, and need carry out authentication when sending service discovering information, and exists interface can carry out the data transmission between UE and the service selection unit.As shown in Figure 4, this method may further comprise the steps:
Step 401:UE carries out the IMS standards registration by the I1 interface to CORE IMS;
Step 402:CORE IMS carries out third-party registration by the I2 interface to the service discovering unit;
Step 403: the service discovering unit obtains user authentication information by the I3 interface from user data management unit;
In addition, in this step, the service discovering unit further is obtained user's subscription data from user data management unit, can send service discovering information according to the conditioned disjunction subscription information that issues in this subscription data in step 405.
The described condition of issuing can be the time interval that sends service discovering information, also can be the quantity etc. that sends service discovering information.
Step 404: the service discovering unit carries out authentication according to the authentication information that obtains to UE;
Step 405: after the authentication success, the service discovering unit sends service discovering information by the I2 interface to CORE IMS.
This service discovering information can be the IP address of service selection unit.Described service discovering information can obtain from professional selected cell, also can obtain from other servers of knowing the service selection element address, also can be the inner information that has disposed in the service discovering unit.
Step 406:CORE IMS sends service discovering information by the I1 interface to UE;
Step 407:UE sends request by the I4 interface to the service selection unit;
When comprising the IP address of service selection unit in the service discovering information that UE obtains, in this step, UE can send request to the service selection unit according to this IP address.
Step 408: the service selection unit obtains subscription data by the I5 interface from user data management unit;
The service selection unit also can obtain subscription data by Service Control Unit from user data management unit.
In this step, the service selection unit further is obtained the authentication information of UE by the I5 interface from user data management unit, and according to this authentication information UE is carried out authentication.
Step 409: according to the subscription information in the authorization data, the service selection unit sends service selection information by the I4 interface to UE.
Described subscription information can be the customized information of customization, and information can be selected for the individual business that the user sends customization according to the customized information of customization in the service selection unit.
The system architecture 2 that Fig. 5 provides for the embodiment of the invention, in the framework of Fig. 5, I1 is the interface between UE and the COREIMS, UE carries out the IMS standards registration by this interface, inserts the IMS network, and can carry out data interaction between UE and the CORE IMS by this interface.
I2 is the interface between service discovering unit and the CORE IMS, is used for realizing the service discovering process by IMS mechanism, and for example the method for third-party registration finds that by this interface business the unit can send service discovering information to UE by CORE IMS.The agreement of this interface can be a Session Initiation Protocol.
I6 is the interface between service selection unit and the CORE IMS, can be by this interface UE by CORE IMS to service selection unit requests service selection information, and the service selection unit also can send service selection information to UE by CORE IMS.This interface protocol can be a Session Initiation Protocol.
I7 is the interface between state server and the service discovering unit, find that by this interface business the unit can obtain the state information of UE, by the passable information of this state information to UE access IMS network, and according to the state information of the UE that obtains, the service discovering unit sends to UE with service discovering information.
I8 is the interface between service selection unit and the state server, can obtain the state information of UE by this interface business selected cell.
I7 and I8 interface can be direct interfaces, also can not be direct interfaces, for example carry out data by other unit agency and transmit.
I10 is the interface between service selection unit and the Service Control Unit.Service Control Unit is mainly used in the session control of this system of realization, comprises clean culture, multicast conversation control etc.Can in the session control process, realize different business control or special service etc. is provided by obtaining service related information this interface business selected cell from Service Control Unit.Wherein different business controls can be code conversion, content protecting control etc.For example, Service Control Unit can obtain information such as multicast address from professional selected cell in the session control process.
I6 and I10 interface can be chosen one wantonly.
The service selection unit also can be obtained the state information of UE by the I6 interface from state server by CORE IMS agency.
The method flow diagram of Fig. 6 for carrying out on Fig. 5 system architecture changes the situation information of obtaining UE access IMS network by the UE state in this flow process, and UE carries out data interaction by CORE IMS and service selection unit.As shown in Figure 6, this flow process may further comprise the steps:
Step 601: the state information of UE is subscribed in the service discovering unit to state server by the I7 interface;
Step 602: the state of state server monitoring UE;
Step 603: state server monitors the UE state when changing, and finds that by I7 interface informing business unit UE inserts the IMS network;
Step 604: the service discovering unit sends service discovering information by the I2 interface to CORE IMS;
In this step, the service discovering unit further is obtained the state information of UE from state server, and sends corresponding business discovery information according to the state information of the UE that obtains.Described state information can be the capacity of equipment of UE etc.
Step 605:CORE IMS sends service discovering information by the I1 interface to UE;
Service discovering information among this embodiment is the SIP unified resource sign (URI, Uniform Resource ID) of service selection unit.
Step 606:UE selects information by the I1 interface to CORE IMS requested service;
UE is when CORE IMS sends request in this step, and the SIP URI of service selection unit is carried in this request.
Step 607:CORE IMS passes through the I6 interface to service selection unit requests service selection information;
CORE IMS sends request according to the SIP URI of service selection unit to the service selection unit in this step.
Step 608: the service selection unit obtains the state information of UE from state server by the I8 interface;
Step 609: the service selection unit sends corresponding business by the I6 interface to CORE IMS and selects information according to the state information of obtaining;
Step 610:CORE IMS sends service selection information by the I1 interface to UE.
In the embodiment shown in fig. 6, UE still needs to carry out standard I MS registration to CORE IMS.
The system architecture 3 that Fig. 7 provides for the embodiment of the invention, in the framework of Fig. 7, I1 is the interface between UE and the COREIMS, UE carries out the IMS standards registration by this interface, inserts the IMS network, and can carry out data interaction between UE and the CORE IMS by this interface.
I2 is the interface between service discovering unit and the CORE IMS, is used for realizing the service discovering process by IMS mechanism, and for example the method for third-party registration finds that by this interface business the unit can send service discovering information to UE by CORE IMS.The agreement of this interface can be a Session Initiation Protocol.
I3 is the interface between service discovering unit and the user data management unit, is used for subscription data and the authentication information of service discovering unit by this interface acquisition UE, and the agreement of this interface can be a Diameter.
I5 is the interface between service selection unit and the user data management unit, is used for subscription data and the authentication information of service selection unit by this interface acquisition UE, and this interface protocol can be a Diameter.
I6 is the interface between service selection unit and the CORE IMS, can be by this interface UE by CORE IMS to service selection unit requests service selection information, and the service selection unit also can send service selection information to UE by CORE IMS.This interface protocol can be a Session Initiation Protocol.
I9 is the interface between service selection unit and the media function unit, and the media function unit receives the service selection information that the service selection unit generates by this interface.
I10 is the interface between service selection unit and the Service Control Unit.Service Control Unit is mainly used in the session control of this system of realization, comprises clean culture, multicast conversation control etc.Can in the session control process, realize different business control or special service etc. is provided by obtaining service related information this interface business selected cell from Service Control Unit.Wherein different business controls can be code conversion, content protecting control etc.For example, Service Control Unit can obtain information such as multicast address from professional selected cell in the session control process.
I6 and I10 interface can be chosen one wantonly.
The method flow diagram of Fig. 8 on Fig. 7 system architecture, carrying out, obtain the situation information that UE inserts the IMS network by third-party registration in this flow process, UE asks to the service selection unit by CORE IMS, and the service discovering unit is arranged in the Service Control Unit of IMS network side, and UE obtains the service selection unit by adding corresponding multicast mode.As shown in Figure 8, this flow process may further comprise the steps:
Step 801:UE carries out standard I MS registration by the I1 interface to CORE IMS;
Step 802:CORE IMS carries out third-party registration by the I2 interface to Service Control Unit;
Step 803: Service Control Unit obtains the authentication information of UE from user data management unit by the I3 interface;
Step 804: Service Control Unit carries out authentication according to described authentication information to UE;
Step 805: after the authentication success, Service Control Unit sends service discovering information by the I2 interface to CORE IMS;
Service discovering information among this embodiment can be for providing the multicast address of service selection information.
Step 806:CORE IMS sends service discovering information by the I1 interface to UE;
Step 807:UE selects information by the I1 interface to CORE IMS requested service;
Step 808:CORE IMS passes through the I6 interface to service selection unit requests service selection information;
Step 809: the service selection unit obtains the subscription data of UE from user data management unit;
Step 810: the service selection unit sends service selection information by the I9 interface to the media function unit according to the subscription data of UE;
Step 811: the media function unit sends service selection information with multicast mode to UE, and UE adds corresponding multicast and receives service selection information;
The media function unit sends the form of service selection information with Media Stream in this step, sends with multicast mode among this embodiment, in addition, also can send with the form of broadcasting or clean culture.
The service selection unit can provide relevant informations such as service deployment information, business information, also can from the server of preserving these relevant informations, obtain, for example from professional information server, service deployment server, obtain, perhaps obtain or the like by the back-stage management server configuration.The service selection unit can generate service selection information according to these relevant informations, and this service selection information can be electronic program list, or these relevant informations are offered other unit, for example Service Control Unit etc.
Wherein, described business information can be content source data, program identification etc.Described service deployment information can comprise business information, timetable, purchase information etc.
When directly having interface between service selection unit and the Service Control Unit, can information such as service deployment information or multicast address be offered Service Control Unit by this interface; The service selection unit can obtain related service information and user data by Service Control Unit, and Fig. 9 obtains the flow chart of multicast address from professional selected cell for Service Control Unit.As shown in Figure 9, this flow process may further comprise the steps:
Step 901:UE sends the live session request to CORE IMS;
Step 902:CORE IMS transmits the live session request to Service Control Unit;
Step 903: Service Control Unit obtains business information from professional selected cell;
The business information of obtaining in the present embodiment is for providing the multicast address of live telecast Media Stream.
Step 904: Service Control Unit returns the request that comprises business information and responds the IMS to CORE;
Step 905:CORE IMS returns the request that comprises business information and responds to UE;
Step 906:UE adds multicast group according to the multicast address that obtains, and obtains the live telecast Media Stream.
The present invention is not limited to Fig. 3 to embodiment shown in Figure 9, and the technical scheme that is comprised among the described embodiment can individualism, also can be the combination in any of each technical scheme.
In addition, after UE inserts the IMS network, also can initiatively initiate the service discovering request, act on behalf of UE by COREIMS and be transmitted to the service discovering unit, the service discovering unit provides service discovering information to UE then.
In the system of the discovery streaming media service that the embodiment of the invention provides, described service selection unit and Service Control Unit can be arranged in the equipment, as shown in figure 10, service selection unit and Service Control Unit are arranged among the equipment SISF, finish the function of service selection and professional control by SISF.
And have interface I1 between SISF and the UE, can be used to carry out and UE between mutual, for example service discovering information and/or service selection information are sent to UE; There is interface I2 between SISF and the CORE IMS, can be used for carrying out the data interaction with CORE IMS, for example, CORE IMS agency initiates third-party registration to SISF, or, send service discovering information and/or service selection information to UE through CORE IMS by this interface; Have interface I3 between SISF and the user data management unit, can be used for carrying out and the user data management unit data between data interaction, for example, obtain user authentication information and/or subscription data; Have interface I3 between SISF and the media function unit, can be used for carrying out and the media function unit between data interaction, for example, the service selection information that generates is sent to the media function unit.Can also there be interface in SISF with other unit in the IMS network, here repeat no more, and these interfaces can exist simultaneously, and also can be the combination of some of them interface.
By above description as can be seen, the method and system of the discovery streaming media service that the embodiment of the invention provided, based on the IMS technology, the service discovering unit can insert the information of IMS network according to UE, automatically service discovering information is sent to UE, UE obtains service selection information according to this service discovering information, and do not need to resemble in the prior art, user terminal initiatively sends the request of obtaining service selection information and the address of initiatively knowing the SISF unit just can obtain service selection information, the user can not need complex operations can obtain to finish obtaining of service selection information simply and easily among the present invention, realize automatic discovery streaming media service, brought user experience preferably.
Further, when existing a plurality of service providers that different service selection information is provided respectively, do not need in prior art, equally to dispose a plurality of different SISF addresses UE merchant, the present invention only needs a service discovering unit, different business provider corresponding service discovery information is offered UE, according to the service discovering information of obtaining, UE just can obtain the service selection information that different business provider provides.
Further, in the prior art, when UE inserts SISF, if desired UE is carried out authentication, hesitation SISF only and between the UE has interface, so SISF can only oneself preserve user's CAMEL-Subscription-Information, and the CAMEL-Subscription-Information that can not adopt the user data management unit in the IMS network to preserve, cause the wasting of resources, and the authentication that system provided by the present invention carries out in carrying out service discovering and service selection process, can from user data management unit, obtain user's CAMEL-Subscription-Information.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.

Claims (22)

1, a kind of system that finds streaming media service is characterized in that, this system comprises: user terminal UE, service discovering unit and service selection unit;
UE inserts IP Multimedia System IMS network, receives the service discovering information that the service discovering unit sends, and obtains service selection information according to described service discovering information;
The service discovering unit generates service discovering information, and according to the information that UE inserts the IMS network, service selection information is sent to UE;
The service selection unit generates service selection information, and the service selection information that generates is sent to UE.
2, system according to claim 1 is characterized in that, described service selection unit is the electronic program EPG server;
Described service selection information is EPG.
3, system according to claim 1 is characterized in that, this system also comprises IMS nuclear COREIMS, is used to receive the IMS register requirement that UE sends, UE is carried out the IMS registration after, initiate third-party registration to described service discovering unit;
Described service discovering unit, carry out third-party registration after, obtain the information that UE inserts the IMS network.
4, system according to claim 1 is characterized in that, this system also comprises state server, after being used to receive the subscription of described service discovering unit, the state of monitoring UE, and after monitoring UE access IMS network, the information that UE is inserted the IMS network is notified to the service discovering unit;
Described service discovering unit also is used for the state to the state server booking reader, receives the information that UE inserts the IMS network.
5, system according to claim 4 is characterized in that, described service discovering unit also is used for obtaining from described state server the state information of UE, and sends service discovering information according to described state information to UE;
Described service selection unit also is used for obtaining from described state server the state information of UE, and sends service selection information according to described state information to UE.
6, system according to claim 1 is characterized in that, this system also comprises first user data management unit, is used to store the authentication information of UE;
Described service discovering unit obtains the authentication information of UE from described first user data management unit, UE is carried out authentication, and authentication sends service discovering information by the back to UE;
Described service selection unit obtains the authentication information of UE from described first user data management unit, UE is carried out authentication, and authentication sends service selection information by the back to UE.
7, system according to claim 1 is characterized in that, this system also comprises second user data management unit, is used to store the subscription data of UE;
Described service discovering unit obtains the subscription data of UE from described second user data management unit, and sends service discovering information according to the subscription information in the subscription data to UE;
Described service selection unit obtains the subscription data of UE from described second user data management unit, and sends service selection information according to the subscription information in the subscription data to UE.
8, system according to claim 1 is characterized in that, this system also comprises the media function unit, is used to receive the service selection information that the service selection unit generates, and described service selection information is sent to UE with the form of multicast;
Described UE adds corresponding multicast according to service discovering information and receives service selection information.
9, system according to claim 3 is characterized in that, described CORE IMS also is used to receive the service selection information that described service selection unit sends, and sends to UE.
10, system according to claim 1, it is characterized in that this system also comprises Service Control Unit and CORE IMS, Service Control Unit is used to receive the request that UE sends by CORE IMS, from professional selected cell, obtain service selection information, and send to UE by CORE IMS.
11, system according to claim 1 is characterized in that, described service discovering unit and service selection unit are arranged in the equipment.
12, a kind of method of finding streaming media service is characterized in that, this method comprises: the IMS network side generates service discovering information and service selection information, and according to the information that UE inserts the IMS network, described service discovering information is sent to UE; UE obtains described service selection information according to described service discovering information.
13, method according to claim 12 is characterized in that, the step of described generation service selection information is to be finished by the service selection unit of IMS side;
The step of described generation service discovering information is to be generated by the service discovering unit of IMS side.
14, method according to claim 13 is characterized in that, described generation service discovering information comprises: described service discovering unit is according to the address of service selection unit or provide the multicast address of service selection information to generate described service discovering information; Perhaps,
The address information of described service discovering unit from preserving the service selection element address or providing other server of the multicast address of service selection information to obtain its preservation, and generate service discovering information according to the address information that obtains; Perhaps,
Inside, described service discovering unit fixed configurations the service selection unit the address or the multicast address of service selection information is provided, and generate service discovering information according to the address information of described fixed configurations.
15, method according to claim 13, it is characterized in that, insert the information of IMS network according to UE, described service discovering information is sent to UE to be comprised: the state of UE is subscribed in the service discovering unit to state server, the state of described state server monitoring UE, and after monitoring UE access IMS network, the information that user terminal is inserted the IMS network is notified to the service discovering unit, and the service discovering unit sends to UE with the service discovering information that generates; Perhaps,
The CORE IMS of UE in the IMS network carries out the IMS standards registration, described CORE IMS initiates third-party registration to the service discovering unit, the service discovering unit carries out getting access to the information that UE inserts the IMS network behind the third-party registration, and the service discovering information that generates is sent to UE.
16, method according to claim 13, it is characterized in that, describedly described service discovering information is sent to UE comprise: the service discovering unit obtains the state information of UE from state server, and sends to UE according to the service discovering information that described state information will meet the UE state; And/or,
The service discovering unit obtains the subscription data of UE from user data management unit, and sends service discovering information according to the subscription information in the subscription data to UE.
17, method according to claim 13, it is characterized in that, this method also comprises: described service discovering unit obtains the authentication information of UE from user data management unit, UE is carried out authentication, and authentication is carried out the described step that service discovering information is sent to UE by the back.
18, method according to claim 13, it is characterized in that, this method also comprises: described service selection unit obtains the authentication information of UE from user data management unit, UE is carried out authentication, and authentication is carried out the step that described UE obtains service selection information by the back.
19, method according to claim 13 is characterized in that, described service discovering information comprises the IP address of service selection unit;
Described UE obtains described service selection information according to service discovering information and comprises: the IP address of the service selection unit that UE comprises according to described service discovering information, send request to the service selection unit, the service discovering unit sends to described UE with the service selection information that generates after receiving request.
20, method according to claim 13 is characterized in that, described service discovering information comprises the Session initiation Protocol unified resource sign SIP URI of service selection unit;
Described UE obtains described service selection information according to service discovering information and comprises: according to the SIP URI of the service selection unit that comprises in the service discovering information, UE sends the request of the SIP URI that comprises the service selection unit to the CORE of IMS network side IMS, IMS sends request according to the SIPURI of the service selection unit that comprises in the request to the service selection unit, after the service selection unit receives the request that CORE IMS sends, by CORE IMS, the service selection information that generates is sent to UE.
21, according to claim 19 or 20 described methods, it is characterized in that, describedly the service selection information that generates is sent to UE comprise: the service selection unit obtains the state information of UE from state server, and sends to UE according to the service selection information that described state information will meet the UE state; And/or,
The service selection unit obtains the subscription data of UE from user data management unit, and sends service selection information according to the subscription information in the subscription data to UE.
22. method according to claim 13 is characterized in that, described service discovering information comprises the multicast address that service selection information is provided;
Described UE obtains described service selection information according to service discovering information and comprises: the service selection unit sends to the service selection information that generates the media function unit of IMS network side, described media function unit sends the form of service selection information with multicast, UE adds corresponding multicast according to the multicast address that service selection information is provided that comprises in the service discovering information, obtains described service selection information.
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CN102088446A (en) * 2009-12-03 2011-06-08 中国移动通信集团福建有限公司 Method and system for connecting to IMS (IP multimedia subsystem) network
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CN1633172A (en) * 2003-12-22 2005-06-29 联想(北京)有限公司 A system and method for providing electronic program guide
CN1326414C (en) * 2004-08-27 2007-07-11 华为技术有限公司 System for realizing circuit field moving stream media requesting to broadcast and method thereof
CN1855819A (en) * 2005-04-19 2006-11-01 王宏源 Method and device for hand-held mobile device to obtain data from fixed digital terminal
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Publication number Priority date Publication date Assignee Title
CN102088446A (en) * 2009-12-03 2011-06-08 中国移动通信集团福建有限公司 Method and system for connecting to IMS (IP multimedia subsystem) network
CN102088446B (en) * 2009-12-03 2013-07-03 中国移动通信集团福建有限公司 Method and system for connecting to IMS (IP multimedia subsystem) network
CN102088452B (en) * 2009-12-04 2014-02-12 英华达(上海)电子有限公司 Server, monitor device, monitor client and monitor method

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