CN101588534B - Interconnection equipment of internet protocol television (IPTV) system based on IP multimedia subsystem (IMS) and methods for starting same, requesting broadcasting of programs and broadcasting progr - Google Patents
Interconnection equipment of internet protocol television (IPTV) system based on IP multimedia subsystem (IMS) and methods for starting same, requesting broadcasting of programs and broadcasting progr Download PDFInfo
- Publication number
- CN101588534B CN101588534B CN2008101006796A CN200810100679A CN101588534B CN 101588534 B CN101588534 B CN 101588534B CN 2008101006796 A CN2008101006796 A CN 2008101006796A CN 200810100679 A CN200810100679 A CN 200810100679A CN 101588534 B CN101588534 B CN 101588534B
- Authority
- CN
- China
- Prior art keywords
- ims
- core
- multimedia subsystem
- home network
- request
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The invention provides interconnection equipment of an internet protocol television (IPTV) system based on an IP multimedia subsystem (IMS) and methods for starting the same, requesting the broadcasting of programs and broadcasting programs lively. The interconnection equipment comprises a visit network and an affiliation network, wherein the visit network is used for accepting the visit of user equipment (UE) and comprises a transmission function entity, a user profile server function (UPSF) entity, a Core IMS and an internet border control function (IBCF) entity, and the affiliation network to which the UE is affiliated comprises a Core IMS, an application entity, an IPTV service control function entity, a transmission function entity, an IPTV media function (MF) entity and an IBCF entity. The invention realizes the roaming and the nomadism of the IPTV user in any region and improves the core competitiveness of an IPTV system.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of interconnection device and program request, program request and live broadcasting method of the IPTV system based on IMS.
Background technology
At present, the frame structure of next-generation communication network (Next Generation Network abbreviates NGN as) is definite basically.Except management layer, NGN also comprises user level, transmission aspect, service control layer face and application etc.IP Multimedia System (IMS, IPMultimedia Subsystem) is the major function entity sets of service control layer face.Can realize registration, authentication, authentication, QoS (Quality ofService, the service quality) management and assurance of user and terminal equipment through IMS; Simultaneously, IMS support multiple user's access technology, support user nomadic and mobile management, support and other legacy networks or next generation network intercommunication, the fusion of supporting business.IMS is based on SIP's (Session InitiationProtocol, session initiation protocol).IMS has been considered to major technique and the architectural framework that next generation network merges.
IPTV; Be called IPTV (Internet Protocol Television again; IPTV), be meant the professional general names such as live, program request and time shifting broadcasting that the TV programme that can support interaction capabilities are provided to the user through the IP bearer network.IPTV passes through telecommunication path; Utilize ADSL (Asymmetrical Digital Subscriber Line Asymmetrical Digital Subscriber Line) or Ethernet access band net; Transmit TV signal through Internet protocol; Adding STB (STB, Set Top Box) with television set is main terminal, and the multiple digital media service that comprises TV programme is provided.
Based on the fusion of NGN and IPTV is a research focus, present research and commercial case study same stage based on the inner framework discussion of the next generation network of IMS and program request, live and recording function flow process.
Yet in realizing process of the present invention, the inventor finds, also has the problem that interconnects different between based on the next generation network of IMS, and this causes operator can not carry out service operation and management uniformly, thereby has reduced the operation management ability of IPTV.
For example, under present NGN IMS framework, the user can't roam in based on the next generation network of IMS different.
Summary of the invention
The present invention aims to provide a kind of interconnection device and program request, program request and live broadcasting method of the IPTV system based on IMS, and user's roaming condition uses the professional problem of IPTV down in the prior art to solve.
In an embodiment of the present invention; A kind of interconnection device of the IPTV system based on IMS is provided; Comprise: visited network is used to accept the visit of subscriber equipment (User Equipment abbreviates UE as); It comprises transfer function entity, subscriber information server functional entity (User Profile Server Functions abbreviates UPSF as), Core IMS and IBCF; Home network; UE belongs to home network; It comprises interruption controls functional entity (Intermediate BreakoutControl Function abbreviates IBCF as) between Core IMS (core IMS), application and IPTV business function entity, transfer function entity, IPTV MF (Media Function, media function) and medium; The transfer function entity comprises: transmission controlled function entity; It comprises Network Attachment Subsystem (Network Attachment Subsystem abbreviates NASS as) and resource access subsystem (Resource Access Subsystem abbreviates RACS as); The transmission process functional entity; IPTV MF comprises: IPTV media control function entity (Media Control Functions abbreviates MCF as) and IPTV media delivery function (IPTV Media Delivery Functions abbreviates IPTV MDF as); IPTV business function entity comprises: UPSF, IPTV business control function body (IPTV ServiceControl Functions abbreviates IPTV SCF as); Wherein, IBCF is used for the gateway control function between visited network and the home network; The Core IMS of visited network connects the IBCF of visited network, and the Core IMS of home network connects the IBCF of home network, and the IBCF of visited network is connected through the Gi interface with the IBCF of home network.
Preferably, IPTV SCF connects UE through Ut.
Preferably, the Core IMS of visited network connects UE through Gm, through the NASS of e2 connection visited network, connects the RACS of visited network through Gq interface; The Core IMS of home network connects the RACS of home network through the NASS of e2 connection home network through Gq ' interface; The NASS of home network is through the NASS of gn interface connection visited network, and the RACS of home network connects the RACS of visited network through Gr interface.
Preferably, the NASS of visited network connects UE through the Gt interface.
Preferably, IPTV MCF connects UE through the Xc interface.
Preferably, IPTV MDF connects UE through the Xd interface.
Preferably, IPTV business function entity also comprises: service selection functional entity (ServiceSelection Functions abbreviates SSF as), and it connects UE through the Xa interface; And service discovering functional entity (Service Discovery Functions abbreviates SDF as), it connects the Core IMS of home network through the UPSF of Sh interface connection home network through ISC interface.
In an embodiment of the present invention; A kind of UE startup method of interconnection device of the IPTV system based on IMS also is provided; Visited network in the UE visit interconnection device; And the home network in the ownership interconnection device, may further comprise the steps: step a, the NASS in the visited network receives the network attachment request of UE; Step b, the parameter that the NASS of visited network will be used for network attachment returns to UE; Step c, the Core IMS of visited network receives the IMS register requirement from UE; Steps d; The Core IMS of visited network judges the Core IMS of the home network that it belonged to according to the address information of UE; And the IMS register requirement sent to the Core IMS of home network, the Core IMS of home network returns registering result information to the Core of visited network IMS; Step e, the Core IMS of visited network is to UE feedback registering result information; Step f, the SDF of home network is to the address configuration information of the legal business of UE feedback and the information relevant with the ability of UE; Step g, the SSF of home network receives the selection service request from UE, and feeds back professional relevant concrete data message so that the user selects suitable business to UE.
Preferably, the SDF of home network receives execution in step f after the professional attach request of UE.
Preferably, the SDF of home network just asks initiatively execution in step f without UE.
Preferably, the network attachment request comprises the discovery of proxy call conversation control function entity among the Core IMS of configuration information, home network of IP address of terminal.
Preferably, comprise in the parameter that home network distributes to the address information of proxy call conversation control function entity among the Core IMS of IP address information and home network of UE.
In an embodiment of the present invention; A kind of order method of interconnection device of the IPTV system based on IMS also is provided; UE is in the visited network in the interconnection device; And belong to the home network in the interconnection device, may further comprise the steps: step a: the CoreIMS of visited network receives the conversation initialization request that UE initiates, with the request demand (telecommunication) service; Step b: the Core IMS of visited network sends the conversation initialization request to the Core of home network IMS; Step c: the Core IMS of home network sends the conversation initialization request to the SCF of home network; Steps d: SCF sends the conversation initialization request to the MF of home network; Step e, the foundation of carrying out content control between MF and the UE and/or paying channel; Step f:MF sends conversation initialization to SCF and replys; Step g: SCF sends conversation initialization to the Core of home network IMS and replys; Step h, the Core IMS of home network is reserved resource before the RACS of home network submits to, with the content control of opening visited network and/or the passage of paying content; Step I: the Core IMS of home network sends conversation initialization to the Core of visited network IMS and replys; Step j, the Core IMS of visited network is reserved resource before the RACS of visited network submits to, and with the content control of opening visited network and/or the passage of paying content, the RACS of visited network sends resource reservation to the Core of visited network IMS and replys; Step k, the Core IMS of visited network sends conversation initialization to UE and replys; And step l, UE reply according to conversation initialization and MF between connect, accept the content stream among the MF.
Preferably, execution in step e after UE initiates media request specifically comprises: step ea: the medium that the Core IMS of visited network receives the UE transmission provide request, and medium provide request to comprise content control and/or content delivery channel; Step eb: the CoreIMS of visited network sends resource reservation request to the RACS of visited network, and the RACS of visited network sends resource reservation to the Core of visited network IMS and replys; Step ec: the CoreIMS of home network initiates medium to the Core of home network IMS request is provided; Step ed: the Core IMS of home network sends resource reservation request to the RACS of home network, and the RACS of home network sends resource reservation to the Core of home network IMS and replys; Step ee: the Core IMS of home network initiates medium to SCF request is provided; Step ef:SCF sends medium to MF request is provided; Step eg:MF provides to SCF initiation medium and replys, to return the information that comprises content control and/or content delivery channel; Step eh:SCF provides to the Core of home network IMS transmission medium and replys; Step ej: the Core IMS of home network provides to the Core of visited network IMS transmission medium and replys; Step el: the Core IMS of home network provides to UE transmission medium and replys.
Preferably, between step eh and step ej, also comprise: step ei, the Core IMS of home network sends resource reservation request to the RACS of home network, and the RACS of home network sends resource reservation to the Core of home network IMS and replys; Between step ej and step el, also comprise: step ek, the Core IMS of visited network sends resource reservation request to the RACS of visited network, and the RACS of visited network sends resource reservation to the Core of visited network IMS and replys.
Preferably, execution in step e after the MF initiation media request specifically comprises: step ea:MF sends medium to SCF request is provided, and media request comprises content control and/or content delivery channel; Step eb:SCF sends medium to the Core of home network IMS request is provided; Step ec: the Core IMS of home network sends resource reservation request to the RACS of home network, and the RACS of home network sends resource reservation to the Core of home network IMS and replys; Step ed: the Core IMS of home network sends medium to the Core of visited network IMS request is provided; Step ee: the Core IMS of visited network sends resource reservation request to the RACS of visited network, and the RACS of visited network sends resource reservation to the Core of visited network IMS and replys; Step ef: the Core IMS of visited network initiates medium to UE request is provided; Step eg: the medium that visited network Core IMS reception UE initiates provide replys, to return the information that comprises content control and/or content delivery channel; Step ei: the Core IMS of visited network provides to the Core of home network IMS transmission medium and replys; Step ek: the Core IMS of home network provides to SCF transmission medium and replys; Step el:SCF returns medium to UE and provides and reply.
Preferably, between step eg and step ei, also comprise: step eh, the Core IMS of visited network sends resource reservation request to the RACS of visited network; The RACS of visited network sends resource reservation to the Core of visited network IMS and replys; Between step ei and step ek, also comprise: step ej, the Core IMS of home network sends resource reservation request to the RACS of home network; The RACS of home network sends resource reservation to the Core of home network IMS and replys.
In an embodiment of the present invention; A kind of live broadcasting method of interconnection device of the IPTV system based on IMS also is provided; UE is in the visited network in the interconnection device; And belong to the home network in the interconnection device, may further comprise the steps: step a: the CoreIMS of visited network receives the conversation initialization request that UE initiates, with the request live broadcast service; Step b: the Core IMS of visited network sends the conversation initialization request to the Core of home network IMS; Step c: the Core IMS of home network sends the conversation initialization request to the SCF of home network; Steps d, the foundation of carrying out content control between SCF and the UE and/or paying channel; Step e:SCF sends conversation initialization to the Core of home network IMS and replys; Step f, the Core IMS of home network is reserved resource before the RACS of home network submits to, with the passage of the content delivery of opening home network; Step g: the Core IMS of home network sends conversation initialization to the Core of visited network IMS and replys; Step h, the Core IMS of visited network is reserved resource before the RACS of visited network submits to, with the passage of the content delivery of opening visited network; Step I, the Core IMS of visited network sends conversation initialization to UE and replys; And step j, UE reply according to conversation initialization and multicast control point/multicast replication point between connect, accept multicast data flow.
Preferably, execution in step d after UE initiates media request specifically comprises: steps d a: the medium that the Core IMS of visited network receives the UE transmission provide request, and medium provide request to comprise the content delivery channel; Steps d b: the Core IMS of visited network sends resource reservation request to the RACS of visited network, and the RACS of visited network sends resource reservation to the Core of visited network IMS and replys; Steps d c: the Core IMS of visited network initiates medium to the Core of home network IMS request is provided; Steps d d: the CoreIMS of home network sends resource reservation request to the RACS of home network, and the RACS of home network sends resource reservation to the Core of home network IMS and replys; Steps d e: the CoreIMS of home network sends medium to SCF request is provided; Steps d f:SCF provides to the Core of home network IMS initiation medium and replys, to return the information that comprises the content delivery channel; Steps d h: the Core IMS of home network provides to the Core of visited network IMS transmission medium and replys; Steps d j: the Core IMS of visited network provides to UE transmission medium and replys.
Preferably, between steps d f and steps d h, also comprise: the Core IMS of visited network sends resource reservation request to the RACS of visited network, and the RACS of visited network sends resource reservation to the Core of visited network IMS and replys; Between steps d h and steps d j, also comprise: the Core IMS of home network sends resource reservation request to the RACS of home network, and the RACS of home network sends resource reservation to the Core of home network IMS and replys.
Preferably, execution in step d specifically comprised after MF initiated media request: steps d a:SCF sends medium to the Core of home network IMS request is provided, and medium provide request to comprise the content delivery channel; Steps d b: the Core IMS of home network sends resource reservation request to the RACS of home network, and the RACS of home network sends resource reservation to the Core of home network IMS and replys; Steps d c: the Core IMS of home network initiates medium to the CoreIMS of visited network request is provided; Steps d d: the Core IMS of visited network sends resource reservation request to the RACS of visited network, and the RACS of visited network sends resource reservation to the Core of visited network IMS and replys; Steps d e, the Core IMS of visited network sends medium to UE request is provided; Steps d f, the medium that the Core IMS reception UE of visited network initiates provide replys, to return the information that comprises the content delivery channel; Steps d h: the Core IMS of visited network provides to the Core of home network IMS transmission medium and replys; Steps d j: the Core IMS of home network provides to SCF transmission medium and replys.
Preferably, between steps d f and steps d h, also comprise: the Core IMS of visited network sends resource reservation request to the RACS of visited network, and the RACS of visited network sends resource reservation to the Core of visited network IMS and replys; Between steps d h and steps d j, also comprise: the Core IMS of home network sends resource reservation request to the RACS of home network, and the RACS of home network sends resource reservation to the Core of home network IMS and replys.
Interconnection device and program request, program request and the live broadcasting method based on the IPTV system of IMS of the above embodiment of the present invention; Overcome and used the professional problem of IPTV in the prior art under user's roaming condition; Realized that IPTV user in the roaming of arbitrary region and nomadic, has promoted the core competitiveness of IPTV system.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows the block diagram based on the interconnection device of the IPTV system of IMS according to the embodiment of the invention;
Fig. 2 shows according to the preferred embodiment of the invention the block diagram based on the interconnection device of the IPTV system of IMS;
Fig. 3 shows the message flow chart according to the UE startup method of the embodiment of the invention;
Fig. 4 shows the sketch map according to the interconnection device of Fig. 3 embodiment;
Fig. 5 shows the message flow chart according to the order method of the embodiment of the invention;
Fig. 6 shows the sketch map according to the interconnection device of Fig. 5 embodiment;
Fig. 7 shows the message flow chart of order method according to the preferred embodiment of the invention;
Fig. 8 shows the message flow chart of order method according to the preferred embodiment of the invention;
Fig. 9 shows the message flow chart according to the live broadcasting method of the embodiment of the invention;
Figure 10 shows the message flow chart of live broadcasting method according to the preferred embodiment of the invention;
Figure 11 shows the message flow chart of live broadcasting method according to the preferred embodiment of the invention.
Embodiment
Below with reference to accompanying drawing and combine embodiment, specify the present invention.
Fig. 1 shows the block diagram based on the interconnection device of the IPTV system of IMS according to the embodiment of the invention, comprising: visited network 10, be used to accept the visit of UE 102, and it comprises transfer function entity 114, UPSF 104, Core IMS 106 and IBCF; Home network, UE belong to home network 20, and it comprises Core IMS 206, application and IPTV business function entity 224, transfer function entity 214, IPTV MF 220 and IBCF,
Transfer function entity 114 and 214 comprises: transmission controlled function entity 112 and 212, and it comprises NASS 108 and 208 and RACS 110 and 210; Transmission process functional entity 116 and 216;
IPTV MF 220 comprises: IPTV MCF 218 and IPTV MDF 222;
IPTV business function entity comprises: UPSF 104 and 204, IPTV SCF 202;
Wherein, IBCF is used for the gateway control function between visited network and the home network; The Core IMS of visited network connects the IBCF of visited network, and the Core IMS of home network connects the IBCF of home network, and the IBCF of visited network is connected through the Gi interface with the IBCF of home network.
Preferably, IPTV SCF connects UE through Ut.
Preferably, the Core IMS of visited network connects UE through Gm, through the NASS of e2 connection visited network, connects the RACS of visited network through Gq interface; The Core IMS of home network connects the RACS of home network through the NASS of e2 connection home network through Gq ' interface; The NASS of home network is through the NASS of gn interface connection visited network, and the RACS of home network connects the RACS of visited network through Gr interface.
Preferably, the NASS of visited network connects UE through the Gt interface.
Preferably, IPTV MCF connects UE through the Xc interface.
Preferably, IPTV MDF connects UE through the Xd interface.
Fig. 2 shows according to the preferred embodiment of the invention the block diagram based on the interconnection device of the IPTV system of IMS, and IPTV business function entity also comprises: SSF 226, and it connects UE 102 through the Xa interface; And SDF 228, it connects the Core IMS 206 of home network through the UPSF 204 of Sh interface connection home network 20 through ISC interface.
The specific explanations of each module of the interconnection device that more than relates to is as follows:
UE (User Equipment), subscriber terminal equipment can be the mobile phone with locomotivity; Also can be the STB of fixed network or the software terminal of realizing set-top box functionality, also comprise functions such as home gateway based on the software realization.This terminal equipment and user interactions can be watched like program request, IPTV such as live professional.
Core IMS (Core IP Multimedia Subsystem) module corresponding to the major function entity sets of service control layer face in the NGN network, mainly comprises nucleus modules such as P-CSCF/I-CSCF/S-CSCF kernel call session control.This functional entity provides the session control mechanism on SIP basis; Provide IPTV terminal use's authentication, authentication, request resource access control (RACS) function to carry out resource allocation work; This module is also carried out the SIP session with IPTV terminal, IPTV application function and content distribution function alternately, accomplishes functions such as safety, Qos, charging, roaming;
IPTV service control function (IPTV Service Control Functions) module; This mould is a sip application server; In session initiation or when revising service authentication is provided, this comprises the information of check user, checks the content that the user whether can legal use selection; Credit limit and credit control; Select relevant media function etc., it is professional that this function is primarily aimed at IPTV such as program request, live, video recording, time shift.
Subscriber information server function (User Profile Server Functions) is called for short UPSF, and comprising provides IPTV the information of professional user data.
IPTV media function (IPTV Media Functions is called for short MF): comprise IPTV media control function and IPTV media delivery function.Be described below respectively.
IPTV media control function (IPTV Media Control Functions) mainly comprises following function:
● the Media Stream of control MDF
● the medium of management MDF are handled
● the state of monitoring MDF
● mutual (for example technique mode " trick mode " order) at management and terminal
● processing is mutual with IPTV service control function SCF's
● accurately monitor this function content distribution and the state relevant control with different MDF
● when a MCF controls a plurality of MDF, select to provide the MDF of service according to certain strategy
● select the MF function, the result who selects is returned to SCF and the session that is redirected returned to the MF function (for example, when the content of request between this MF function or MF during load balancing) of selection
● produce charge information, for example charge based on the terminal use who watches content.
● IPTV media delivery function (IPTV Media Delivery Functions), the function that mainly comprises is following:
● handle the payment (paying media business) of Media Stream to the user
● provide status report to MCF (the for example IPTV Media Stream of report foundation).
● medium (the for example content of program request), possibly also store the professional media business relevant information of some IPTV.
● under the particular case, content or the user's related content (for example the content that produces of the live broadcast service of PVR, time shift, technique mode, user etc.) that it can be used to store frequent visit is under same task can't help situation that the terminal accomplishes.
● as extra processing, coding or decoding (if desired) medium media formats (for example, the decomposing force of television system depends on terminal capability or customer parameter is selected) (optional) to different needs
● accomplish content protection function (for example content-encrypt) (optional)
● support obtain (optional) of IPTV media content
● for live broadcast service, this function is as the multicast source (optional) of live Media Stream
Transmission process function (Transport Processing Functions) is represented network insertion connection and IP kernel heart function, under the prerequisite that ensures QoS, is responsible for the transmission of data.
IB CF (Intermediate Breakout Control Function) module, promptly middle mutual control module as carrying out the mutual gateway control function of sip message between two Core IMS, also can be used as the charging triggering function.
Resource access subsystem (Resource and Admission Control Subsystem) module; RACS assembly in the NGN network; This module is accomplished the resource control request from Core IMS module; Determine the resource of available transmission, accomplish functions such as RSVP, distribution, bag are overanxious, Network address port translation alternately with bearing bed.
Business game decision making function (Service Policy Decision Function is called for short SPDF), it is inner that this function is in resource access subsystem, is used for the interface module with external resource access subsystem.This function conduct is the inner final policy decision point of resource access subsystem separately, also as submitting to and ask to other business game decision making functions initiation resource reservation, resource modifying, resource.
Network Attachment Subsystem (Network Attachment Subsystem) module; NASS assembly in the NGN network; Provide registration and the user terminal of access aspect to insert the professional initial work of NGN, authentication, the authentication of transport layer, the functions such as IP address space of management Access Network also are provided.
User access authorization function (User Access Authorization Function is called for short UAAF): accomplish subscription authentication, authorization check based on NASS user profile in network access layer; Can accomplish from the NASS user of each mandate and collect user's metering data; Also can be used as an agency; UAAF can find and communicate with other the UAAF server of NASS at user place of mandate this moment; UAAF agency can be forwarded to access, mandate and the charging request of the access management function AMF among its NASS the UAAF acting server of other NASS, and the response concurrent that can act on behalf of the UAAF acting server of accepting other NASS is delivered among the access management function AMF.
Further, communicate between the transmission process function of visited network and the transmission process function of home network, this function alternately can process IP TV MDF media flow transmission in UE and the control messages of the Media Stream between process IP TV MCF and the UE.
Further, communicate between the NASS of the NASS of visited network and home network.Be used to transmit the request of UE to the network attachment of home network.
Further, communicate between the RACS of the RACS of visited network and home network.Be used to transmit the resource access control request of UE to home network.It opens the medium data transmission path of the transmission process function of visited network to the RACS that is used for home network to the RACS of visited network request, makes the transmission process function of visited network can accept the content flow data of IPTV.
Further; Between the NASS function of terminal UE and visited network interface is arranged; This interface is responsible for the terminal to the NASS of transmission controlled function request network attachment parameter information, and required parameter comprises the IP address configuration information of terminal UE, the address information of the P-CSCF among the Core IMS etc.
Other interfaces meet the interface that defines in the IPTV architecture standard of existing standard based on IMS, repeat no more at this.
Fig. 3 shows the message flow chart according to the UE startup method of the embodiment of the invention, and wherein, the visited network in the UE visit interconnection device, and the home network in the ownership interconnection device may further comprise the steps:
Step 1, the NASS in the visited network receives the network attachment request of UE;
Step 2, the parameter that the NASS of visited network will be used for network attachment returns to UE;
Step 3, the Core IMS of visited network receives the IMS register requirement from UE;
Step 5, the Core IMS of visited network is to UE feedback registering result information;
Preferably, the SDF of home network receives execution in step 6 after the professional attach request of UE.
Preferably, the SDF of home network just asks initiatively execution in step 6 without UE.
Preferably, the network attachment request comprises the discovery of proxy call conversation control function entity among the Core IMS of configuration information, home network of IP address of terminal.
Preferably, comprise in the parameter that home network distributes to the address information of proxy call conversation control function entity among the Core IMS of IP address information and home network of UE.
Fig. 4 shows the sketch map according to the interconnection device of Fig. 3 embodiment, comprising: visited network 10, be used to accept the visit of UE 102, and it comprises Core IMS 106 and NASS108; Home network 20, UE belongs to home network, and it comprises Core IMS 206, NASS 208, SSF 226 and SDF 228.
Fig. 5 shows the message flow chart according to the order method of the embodiment of the invention, and wherein, UE is in the visited network in the interconnection device, and belongs to the home network in the interconnection device, may further comprise the steps:
Step 1: the Core IMS of visited network receives the conversation initialization request that UE initiates, with the request demand (telecommunication) service;
Step 2: the Core IMS of visited network sends the conversation initialization request to the Core of home network IMS;
Step 3: the Core IMS of home network sends the conversation initialization request to the SCF of home network;
Step 4:SCF sends the conversation initialization request to the MF of home network;
Step 5, the foundation of carrying out content control between MF and the UE and/or paying channel;
Step 6:MF sends conversation initialization to SCF and replys;
Step 7:SCF sends conversation initialization to the Core of home network IMS and replys;
Step 8, the Core IMS of home network is reserved resource before the RACS of home network submits to, with the content control of opening visited network and/or the passage of paying content;
Step 9: the Core IMS of home network sends conversation initialization to the Core of visited network IMS and replys;
Step 10, the Core IMS of visited network is reserved resource before the RACS of visited network submits to, and with the content control of opening visited network and/or the passage of paying content, the RACS of visited network sends resource reservation to the Core of visited network IMS and replys;
Step 11, the Core IMS of visited network sends conversation initialization to UE and replys; And
Step 12, UE reply according to conversation initialization and MF between connect, accept the content stream among the MF.
Fig. 6 shows the sketch map according to the interconnection device of Fig. 5 embodiment, comprising: visited network 10, be used to accept the visit of UE 102, and it comprises Core IMS 106 and RACS110; Home network 20, UE belongs to home network, and it comprises Core IMS 206, RACS210, SCF 202 and MF 220.
Preferably, execution in step 5 after UE initiates media request, Fig. 7 shows the message flow chart of the order method of this preferred embodiment of the present invention, specifically comprises:
Step 1: the medium that the Core IMS of visited network receives the UE transmission provide request, and medium provide request to comprise content control and/or content delivery channel;
Step 2: the Core IMS of visited network sends resource reservation request to the RACS of visited network, and the RACS of visited network sends resource reservation to the Core of visited network IMS and replys;
Step 3: the Core IMS of home network initiates medium to the Core of home network IMS request is provided;
Step 4: the Core IMS of home network sends resource reservation request to the RACS of home network, and the RACS of home network sends resource reservation to the Core of home network IMS and replys;
Step 5: the Core IMS of home network initiates medium to SCF request is provided;
Step 6:SCF sends medium to MF request is provided;
Step 7:MF provides to SCF initiation medium and replys, to return the information that comprises content control and/or content delivery channel;
Step 8:SCF provides to the Core of home network IMS transmission medium and replys;
Step 10: the Core IMS of home network provides to the Core of visited network IMS transmission medium and replys;
Step 12: the Core IMS of home network provides to UE transmission medium and replys.
Preferably, between step e8 and step 10, also comprise: step 9, the Core IMS of home network sends resource reservation request to the RACS of home network, and the RACS of home network sends resource reservation to the Core of home network IMS and replys;
Between step 10 and step 12, also comprise: step 11, the Core IMS of visited network sends resource reservation request to the RACS of visited network, and the RACS of visited network sends resource reservation to the Core of visited network IMS and replys.
Preferably, execution in step e after the MF initiation media request, Fig. 8 shows the message flow chart according to the order method of the preferred embodiment, specifically comprises:
Step 1:MF sends medium to SCF request is provided, and media request comprises content control and/or content delivery channel;
Step 2:SCF sends medium to the Core of home network IMS request is provided;
Step 3: the Core IMS of home network sends resource reservation request to the RACS of home network, and the RACS of home network sends resource reservation to the Core of home network IMS and replys;
Step 4: the Core IMS of home network sends medium to the Core of visited network IMS request is provided;
Step 5: the Core IMS of visited network sends resource reservation request to the RACS of visited network, and the RACS of visited network sends resource reservation to the Core of visited network IMS and replys;
Step 6: the Core IMS of visited network initiates medium to UE request is provided;
Step 7: the medium that visited network Core IMS reception UE initiates provide replys, to return the information that comprises content control and/or content delivery channel;
Step 9: the Core IMS of visited network provides to the Core of home network IMS transmission medium and replys;
Step 11: the Core IMS of home network provides to SCF transmission medium and replys;
Step 12:SCF returns medium to UE and provides and reply.
Preferably, between step 7 and step 9, also comprise: step 8, the Core IMS of visited network sends resource reservation request to the RACS of visited network; The RACS of visited network sends resource reservation to the Core of visited network IMS and replys.
Between step 9 and step 11, also comprise: step 10, the Core IMS of home network sends resource reservation request to the RACS of home network; The RACS of home network sends resource reservation to the Core of home network IMS and replys.
Fig. 9 shows the message flow chart according to the live broadcasting method of the embodiment of the invention, and wherein, UE is in the visited network in the interconnection device, and belongs to the home network in the interconnection device, may further comprise the steps:
Step 1: the Core IMS of visited network receives the conversation initialization request that UE initiates, with the request live broadcast service;
Step 2: the Core IMS of visited network sends the conversation initialization request to the Core of home network IMS;
Step 3: the Core IMS of home network sends the conversation initialization request to the SCF of home network;
Step 5:SCF sends conversation initialization to the Core of home network IMS and replys;
Step 7: the Core IMS of home network sends conversation initialization to the Core of visited network IMS and replys;
Step 8, the Core IMS of visited network is reserved resource before the RACS of visited network submits to, with the passage of the content delivery of opening visited network;
Step 9, the Core IMS of visited network sends conversation initialization to UE and replys; And
Step 10, UE reply according to conversation initialization and multicast control point/multicast replication point between connect, accept multicast data flow.
Preferably, execution in step 4 after UE initiates media request, Figure 10 shows the message flow chart according to the live broadcasting method of the preferred embodiment, specifically comprises:
Step 1: the medium that the Core IMS of visited network receives the UE transmission provide request, and medium provide request to comprise the content delivery channel;
Step 2: the Core IMS of visited network sends resource reservation request to the RACS of visited network, and the RACS of visited network sends resource reservation to the Core of visited network IMS and replys;
Step 3: the Core IMS of visited network initiates medium to the Core of home network IMS request is provided;
Step 4: the Core IMS of home network sends resource reservation request to the RACS of home network, and the RACS of home network sends resource reservation to the Core of home network IMS and replys;
Step 5: the Core IMS of home network sends medium to SCF request is provided;
Step 6:SCF provides to the Core of home network IMS initiation medium and replys, to return the information that comprises the content delivery channel;
Step 8: the Core IMS of home network provides to the Core of visited network IMS transmission medium and replys;
Step 10: the Core IMS of visited network provides to UE transmission medium and replys.
Preferably, between step 6 and step 8, also comprise: step 7, the Core IMS of visited network sends resource reservation request to the RACS of visited network, and the RACS of visited network sends resource reservation to the Core of visited network IMS and replys;
Between step 8 and step 10, also comprise: step 9, the Core IMS of home network sends resource reservation request to the RACS of home network, and the RACS of home network sends resource reservation to the Core of home network IMS and replys.
Preferably, execution in step d after the MF initiation media request, the message flow chart that Figure 11 shows according to the live broadcasting method of the preferred embodiment specifically comprises:
Step 1:SCF sends medium to the Core of home network IMS request is provided, and medium provide request to comprise the content delivery channel;
Step 2: the Core IMS of home network sends resource reservation request to the RACS of home network, and the RACS of home network sends resource reservation to the Core of home network IMS and replys;
Step 3: the Core IMS of home network initiates medium to the Core of visited network IMS request is provided;
Step 4: the Core IMS of visited network sends resource reservation request to the RACS of visited network, and the RACS of visited network sends resource reservation to the Core of visited network IMS and replys;
Step 5, the Core IMS of visited network sends medium to UE request is provided;
Step 8: the Core IMS of visited network provides to the Core of home network IMS transmission medium and replys;
Step 10: the Core IMS of home network provides to SCF transmission medium and replys.
Preferably, between step 6 and step 8, also comprise: the Core IMS of visited network sends resource reservation request to the RACS of visited network, and the RACS of visited network sends resource reservation to the Core of visited network IMS and replys;
Between step 8 step 10, also comprise: the Core IMS of home network sends resource reservation request to the RACS of home network, and the RACS of home network sends resource reservation to the Core of home network IMS and replys.
From above description; Can find out; Interconnection device and program request, program request and the live broadcasting method based on the IPTV system of IMS of the above embodiment of the present invention; Overcome that the user roaming condition uses the professional problem of IPTV down in the prior art, realized that IPTV user in the roaming of arbitrary region and nomadic, has promoted the core competitiveness of IPTV system.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize by calculation element.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. subscriber equipment startup method based on the interconnection device of the IPTV system of IP multimedia subsystem, IMS; It is characterized in that; Subscriber equipment is visited the visited network in the said interconnection device, and belongs to the home network in the said interconnection device, may further comprise the steps:
Step a, the Network Attachment Subsystem in the said visited network receive the network attachment request of said subscriber equipment;
The parameter that step b, the Network Attachment Subsystem of said visited network will be used for network attachment returns to said subscriber equipment;
Step c, the core IP multimedia subsystem, IMS of said visited network receives the multimedia subsystem register request from said subscriber equipment;
Steps d; The core IP multimedia subsystem, IMS of said visited network is judged the core IP multimedia subsystem, IMS of the home network that it belonged to according to the address information of said subscriber equipment; And said multimedia subsystem register request sent to the core IP multimedia subsystem, IMS of said home network, the core IP multimedia subsystem, IMS of said home network returns registering result information to the core IP multimedia subsystem, IMS of said visited network;
Step e, the core IP multimedia subsystem, IMS of said visited network feeds back said registering result information to said subscriber equipment;
Step f, the service discovering functional entity of said home network is to the address configuration information of the legal business of said subscriber equipment feedback and the information relevant with the ability of said subscriber equipment;
Step g, the service selection functional entity of said home network receives the selection service request from said subscriber equipment, and feeds back professional relevant concrete data message so that the user selects suitable business to said subscriber equipment;
Wherein, said network attachment request comprises the discovery of proxy call conversation control function entity in the core IP multimedia subsystem, IMS of the configuration information of IP address of terminal, said home network;
Wherein, comprise in the said parameter that said home network distributes to the address information of proxy call conversation control function entity in the core IP multimedia subsystem, IMS of said user device IP address information and said home network.
2. according to the subscriber equipment startup method of claim 1, it is characterized in that the service discovering functional entity of said home network is received execution in step f after the professional attach request of said subscriber equipment.
3. according to the subscriber equipment startup method of claim 1, it is characterized in that the service discovering functional entity of said home network is without said user equipment requests execution in step f just initiatively.
4. order method based on the interconnection device of the IPTV system of IP multimedia subsystem, IMS; It is characterized in that; Subscriber equipment is in the visited network in the said interconnection device, and belongs to the home network in the said interconnection device, may further comprise the steps:
Step a: the core IP multimedia subsystem, IMS of said visited network receives the conversation initialization request that said subscriber equipment is initiated, with the request demand (telecommunication) service;
Step b: the core IP multimedia subsystem, IMS of said visited network sends said conversation initialization request to the core IP multimedia subsystem, IMS of said home network;
Step c: the core IP multimedia subsystem, IMS of said home network sends said conversation initialization request to the business control function body of said home network;
Steps d: said business control function body sends said conversation initialization request to the media function entity of said home network;
Step e, the foundation of carrying out content control between said media function entity and the said subscriber equipment and/or paying channel;
Step f: said media function entity sends conversation initialization to said business control function body and replys;
Step g: said business control function body sends said conversation initialization to the core IP multimedia subsystem, IMS of said home network and replys;
Step h, the core IP multimedia subsystem, IMS of said home network is reserved resource before the resource access subsystem of said home network is submitted to, with the content control of opening visited network and/or the passage of paying content;
Step I: the core IP multimedia subsystem, IMS of said home network sends said conversation initialization to the core IP multimedia subsystem, IMS of said visited network and replys;
Step j; The core IP multimedia subsystem, IMS of said visited network is reserved resource before the resource access subsystem of said visited network is submitted to; With the content control of opening visited network and/or the passage of paying content, the resource access subsystem of said visited network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said visited network;
Step k, the core IP multimedia subsystem, IMS of said visited network sends conversation initialization to said subscriber equipment and replys; And
Step l, said subscriber equipment reply according to conversation initialization and said media function entity between connect, accept the content stream in the said media function entity.
5. order method according to claim 4 is characterized in that, execution in step e after said subscriber equipment is initiated media request specifically comprises:
Step ea: the medium that the core IP multimedia subsystem, IMS of said visited network receives said subscriber equipment transmission provide request, and said medium provide request to comprise content control and/or content delivery channel;
Step eb: the core IP multimedia subsystem, IMS of said visited network sends resource reservation request to the resource access subsystem of said visited network, and the resource access subsystem of said visited network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said visited network;
Step ec: the core IP multimedia subsystem, IMS of said home network is initiated medium to the core IP multimedia subsystem, IMS of said home network request is provided;
Step ed: the core IP multimedia subsystem, IMS of said home network sends resource reservation request to the resource access subsystem of said home network, and the resource access subsystem of said home network sends said resource reservation to the core IP multimedia subsystem, IMS of said home network and replys;
Step ee: the core IP multimedia subsystem, IMS of said home network is initiated said medium to said business control function body request is provided;
Step ef: said business control function body sends said medium to said media function entity request is provided;
Step eg: said media function entity provides to said business control function body initiation medium and replys, to return the information that comprises content control and/or content delivery channel;
Step eh: said business control function body sends said medium to the core IP multimedia subsystem, IMS of said home network and provides and reply;
Step ej: the core IP multimedia subsystem, IMS of said home network sends said medium to the core IP multimedia subsystem, IMS of said visited network and provides and reply;
Step el: the core IP multimedia subsystem, IMS of said home network sends said medium to said subscriber equipment and provides and reply.
6. order method according to claim 5 is characterized in that,
Between step eh and step ej, also comprise: step ei; The core IP multimedia subsystem, IMS of said home network sends resource reservation request to the resource access subsystem of said home network, and the resource access subsystem of said home network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said home network;
Between step ej and step el, also comprise: step ek; The core IP multimedia subsystem, IMS of said visited network sends resource reservation request to the resource access subsystem of said visited network, and the resource access subsystem of said visited network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said visited network.
7. order method according to claim 4 is characterized in that, execution in step e after the said media function entity initiation media request specifically comprises:
Step ea: said media function entity sends medium to said business control function body request is provided, and said media request comprises content control and/or content delivery channel;
Step eb: said business control function body sends said medium to the core IP multimedia subsystem, IMS of said home network request is provided;
Step ec: the core IP multimedia subsystem, IMS of said home network sends resource reservation request to the resource access subsystem of said home network, and the resource access subsystem of said home network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said home network;
Step ed: the core IP multimedia subsystem, IMS of said home network sends said medium to the core IP multimedia subsystem, IMS of said visited network request is provided;
Step ee: the core IP multimedia subsystem, IMS of said visited network sends resource reservation request to the resource access subsystem of said visited network, and the resource access subsystem of said visited network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said visited network;
Step ef: the core IP multimedia subsystem, IMS of said visited network is initiated medium to said subscriber equipment request is provided;
Step eg: said visited network core IP multimedia subsystem, IMS receives medium that said subscriber equipment initiates and provides and reply, to return the information that comprises content control and/or content delivery channel;
Step ei: the core IP multimedia subsystem, IMS of said visited network sends said medium to the core IP multimedia subsystem, IMS of said home network and provides and reply;
Step ek: the core IP multimedia subsystem, IMS of said home network sends said medium to said business control function body and provides and reply;
Step el: said business control function body returns said medium to said subscriber equipment and provides and reply.
8. order method according to claim 7 is characterized in that,
Between step eg and step ei, also comprise: step eh, the core IP multimedia subsystem, IMS of said visited network sends resource reservation request to the resource access subsystem of said visited network; The resource access subsystem of said visited network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said visited network;
Between step ei and step ek, also comprise: step ej, the core IP multimedia subsystem, IMS of said home network sends resource reservation request to the resource access subsystem of said home network; The resource access subsystem of said home network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said home network.
9. live broadcasting method based on the interconnection device of the IPTV system of IP multimedia subsystem, IMS; It is characterized in that; Subscriber equipment is in the visited network in the said interconnection device, and belongs to the home network in the said interconnection device, may further comprise the steps:
Step a: the core IP multimedia subsystem, IMS of said visited network receives the conversation initialization request that said subscriber equipment is initiated, with the request live broadcast service;
Step b: the core IP multimedia subsystem, IMS of said visited network sends said conversation initialization request to the core IP multimedia subsystem, IMS of said home network;
Step c: the core IP multimedia subsystem, IMS of said home network sends said conversation initialization request to the business control function body of said home network;
Steps d, the foundation of carrying out content control between said business control function body and the said subscriber equipment and/or paying channel;
Step e: said business control function body is replied to the core IP multimedia subsystem, IMS transmission conversation initialization of said home network;
Step f, the core IP multimedia subsystem, IMS of said home network is reserved resource before the resource access subsystem of said home network is submitted to, with the passage of the content delivery of opening home network;
Step g: the core IP multimedia subsystem, IMS of said home network sends said conversation initialization to the core IP multimedia subsystem, IMS of said visited network and replys;
Step h, the core IP multimedia subsystem, IMS of said visited network is reserved resource before the resource access subsystem of said visited network is submitted to, with the passage of the content delivery of opening visited network;
Step I, the core IP multimedia subsystem, IMS of said visited network sends conversation initialization to said subscriber equipment and replys; And
Step j, said subscriber equipment reply according to conversation initialization and multicast control point/multicast replication point between connect, accept multicast data flow.
10. live broadcasting method according to claim 9 is characterized in that, execution in step d after said subscriber equipment is initiated media request specifically comprises:
Steps d a: the medium that the core IP multimedia subsystem, IMS of said visited network receives said subscriber equipment transmission provide request, and said medium provide request to comprise the content delivery channel;
Steps d b: the core IP multimedia subsystem, IMS of said visited network sends resource reservation request to the resource access subsystem of said visited network, and the resource access subsystem of said visited network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said visited network;
Steps d c: the core IP multimedia subsystem, IMS of said visited network is initiated medium to the core IP multimedia subsystem, IMS of said home network request is provided;
Steps d d: the core IP multimedia subsystem, IMS of said home network sends resource reservation request to the resource access subsystem of said home network, and the resource access subsystem of said home network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said home network;
Steps d e: the core IP multimedia subsystem, IMS of said home network sends said medium to said business control function body request is provided;
Steps d f: said business control function body is initiated medium to the core IP multimedia subsystem, IMS of said home network to be provided and replys, to return the information that comprises the content delivery channel;
Steps d h: the core IP multimedia subsystem, IMS of said home network sends said medium to the core IP multimedia subsystem, IMS of said visited network and provides and reply;
Steps d j: the core IP multimedia subsystem, IMS of said visited network sends said medium to said subscriber equipment and provides and reply.
11. live broadcasting method according to claim 10; It is characterized in that; Between steps d f and steps d h, also comprise: the core IP multimedia subsystem, IMS of said visited network sends resource reservation request to the resource access subsystem of said visited network, and the resource access subsystem of said visited network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said visited network;
Between steps d h and steps d j, also comprise: the core IP multimedia subsystem, IMS of said home network sends resource reservation request to the resource access subsystem of said home network, and the resource access subsystem of said home network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said home network.
12. live broadcasting method according to claim 9 is characterized in that, execution in step d specifically comprised after said media function entity was initiated media request:
Steps d a: said business control function body provides request to the core IP multimedia subsystem, IMS transmission medium of said home network, and said medium provide request to comprise the content delivery channel;
Steps d b: the core IP multimedia subsystem, IMS of said home network sends resource reservation request to the resource access subsystem of said home network, and the resource access subsystem of said home network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said home network;
Steps d c: the core IP multimedia subsystem, IMS of said home network is initiated medium to the core IP multimedia subsystem, IMS of said visited network request is provided;
Steps d d: the core IP multimedia subsystem, IMS of said visited network sends said resource reservation request to the resource access subsystem of said visited network, and the resource access subsystem of said visited network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said visited network;
Steps d e, the core IP multimedia subsystem, IMS of said visited network sends medium to said subscriber equipment request is provided;
Steps d f, the core IP multimedia subsystem, IMS of said visited network receive medium that said subscriber equipment initiates and provide and reply, to return the information that comprises the content delivery channel;
Steps d h: the core IP multimedia subsystem, IMS of said visited network sends said medium to the core IP multimedia subsystem, IMS of said home network and provides and reply;
Steps d j: the core IP multimedia subsystem, IMS of said home network sends said medium to said business control function body and provides and reply.
13. live broadcasting method according to claim 12 is characterized in that,
Between steps d f and steps d h, also comprise: the core IP multimedia subsystem, IMS of said visited network sends resource reservation request to the resource access subsystem of said visited network, and the resource access subsystem of said visited network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said visited network;
Between steps d h and steps d j, also comprise: the core IP multimedia subsystem, IMS of said home network sends resource reservation request to the resource access subsystem of said home network, and the resource access subsystem of said home network is replied to the core IP multimedia subsystem, IMS transmission resource reservation of said home network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101006796A CN101588534B (en) | 2008-05-21 | 2008-05-21 | Interconnection equipment of internet protocol television (IPTV) system based on IP multimedia subsystem (IMS) and methods for starting same, requesting broadcasting of programs and broadcasting progr |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101006796A CN101588534B (en) | 2008-05-21 | 2008-05-21 | Interconnection equipment of internet protocol television (IPTV) system based on IP multimedia subsystem (IMS) and methods for starting same, requesting broadcasting of programs and broadcasting progr |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101588534A CN101588534A (en) | 2009-11-25 |
| CN101588534B true CN101588534B (en) | 2012-07-04 |
Family
ID=41372556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101006796A Expired - Fee Related CN101588534B (en) | 2008-05-21 | 2008-05-21 | Interconnection equipment of internet protocol television (IPTV) system based on IP multimedia subsystem (IMS) and methods for starting same, requesting broadcasting of programs and broadcasting progr |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101588534B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101742233B (en) * | 2009-12-28 | 2012-01-11 | 深圳市同洲电子股份有限公司 | Method for realizing roaming of digital television receiving terminal, central data gateway and system |
-
2008
- 2008-05-21 CN CN2008101006796A patent/CN101588534B/en not_active Expired - Fee Related
Non-Patent Citations (3)
| Title |
|---|
| TISPAN.IPTV functions supported by the IMS subsystem.《ETSI TS 182027 V2.0.0》.2008,正文第12页附图2，正文第14－15页. * |
| 孙元宁.IMS系统R7版本的技术进展.《移动通信》.2006,第30卷(第3期),正文第2段图2. * |
| 续合元.下一代网络(NGN)的框架结构.《电信工程技术与标准化》.2005,(第3期),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101588534A (en) | 2009-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101662376B (en) | Method, device and system for pushing information based on internet protocol television | |
| EP2175591B1 (en) | A method, a system, a device and a computer program readable medium for realizing the services of network televison | |
| CN101155293B (en) | Method, system and device for network live television service channel authorization | |
| US20090313376A1 (en) | Method and apparatuses for establishing a session between a client terminal and a media supply system to transport a unicast media stream over an ip network | |
| CN101547189A (en) | Method, system and device for establishing CoD service | |
| CN101378491B (en) | Method, system and entity for implementing PIP video | |
| RU2532263C2 (en) | Interactive iptv system and method for content distribution therein | |
| CN101990113B (en) | Content uplinking method and content delivery functional entity | |
| CN101547402A (en) | Method and device for establishing IPTV multicast service | |
| CN101175018B (en) | Equipment, system and method for implementing IPTV by next generation communication network | |
| US20070258455A1 (en) | System for distributed architecture for multicast access control | |
| CN101741816A (en) | Internet protocol TV-based information push method, device and system | |
| CN101588277B (en) | Interconnection equipment of internet protocol television (IPTV) system based on IP multimedia subsystem (IMS) and methods for starting same, requesting broadcasting of programs and broadcasting program | |
| CN101426124B (en) | Time shifting method for interactive network television system in next generation communication network | |
| CN101378401B (en) | Method, system and equipment for controlling business resource authorization | |
| CN101588534B (en) | Interconnection equipment of internet protocol television (IPTV) system based on IP multimedia subsystem (IMS) and methods for starting same, requesting broadcasting of programs and broadcasting progr | |
| CN101588533B (en) | Interconnection equipment of internet protocol television (IPTV) system based on IP multimedia subsystem (IMS) and methods for starting same, requesting broadcasting of programs and broadcasting progr | |
| CN101360222B (en) | IPTV program generating method and system based on next generation network | |
| CN101588535B (en) | Interconnection equipment of internet protocol television (IPTV) system based on IP multimedia subsystem (IMS) and methods for starting same, requesting broadcasting of programs and live broadcasting program | |
| CN101668164B (en) | Method, device and system for delivering internet protocol based TV content | |
| CN101667877B (en) | Method and system used for next generation network for implementing user live broadcast | |
| CN101651820B (en) | Next generation network-based method and next generation network-based system for pushing contents of internet protocol television | |
| CN101662377B (en) | Method, device and system for information push based on internet protocol television | |
| CN101415106B (en) | Method, system and apparatus for building time shifting television business in broadcast business | |
| CN101668173A (en) | Method, device and system for pushing information based on internet protocol television |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING ZHONGXING NEW SOFTWARE CO., LTD Free format text: FORMER OWNER: ZTE CORPORATION Effective date: 20150511 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518057 SHENZHEN, GUANGDONG PROVINCE TO: 210012 NANJING, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150511 Address after: Yuhuatai District of Nanjing City, Jiangsu province 210012 Bauhinia Road No. 68 Patentee after: Nanjing Zhongxing New Software Co., Ltd. Address before: 518057 Nanshan District science and Technology Industrial Park, Guangdong high tech Industrial Park, ZTE building Patentee before: ZTE Corporation |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20170521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |