CN101355676A - Method for providing network television service information and network television service system - Google Patents
Method for providing network television service information and network television service system Download PDFInfo
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Abstract
The invention discloses a method for providing network television service information. The method is as follows: when the service finding information changes, an electric program list EPG server informs a user terminal by an EPG finding server; according to the message of the EPG finding server, the user terminal updates the service finding information together with the EPG server; correspondingly, the invention provides a network television service system, the system comprises an EPG server used to provide the service finding information, an EPG finding server used to provide the EPG finding information and send the message to a user terminal and the user terminal used to update the service finding information together with the EPG server according to the message of the EPG finding server, wherein when the service finding information changes, the EPG finding server informs the user terminal, and updates the service finding information together with the user terminal. The technical proposal of the invention can improve the updating mechanism of the service information in the network television service.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of method and network television business system that network TV service information is provided.
Background technology
Network TV IPTV (IP Television), be meant that with each class of electronic devices such as computer, television set, mobile phones be receiving terminal, transmission comprises TV, video, text, figure and data etc. on IP network, and provides service quality/service to experience the manageable multimedia service of (QoS/QoE) assurance, safety, interactivity and reliability.
IP Multimedia System (IMS, IP Multimedia System) as the IP multimedia subsystem, IMS under next generation network (NGN) standard architecture, for fixedly soft exchanging network and mobile soft exchanging network provide the architectural framework that merges, the framework applications of IMS is just becoming a new development trend in streaming media service such as IPTV at present.Telecommunications and the Internet converged services and high-level network protocol TISPAN in each normal structure (telecommunications and Internet converged services and protocols for advancednetworking) mainly comprise entity newly-increased in the basic framework of determining based on the IPTV system of IMS: IPTV Service Control Function, IPTV media function (MF) and service discovering and selection function serving information (SISF).Each IPTV business all corresponding professional control of pair of IP TV and media function.SCF is responsible for developing and managing of IPTV service conversation, and selects relevant MF.MF is responsible for control and media stream is given user terminal.SISF is responsible for user terminal service discovering and selection information is provided.Service discovering and selection are a kind of important mechanisms in the IPTV system, are used to solve the problems such as discovery, selection and service discovering transmission of Information of TV business on the IP network.Wherein, service discovering guarantees that for the user provides service lists and enough information the user can make a choice and visit selected business; Service selection then occurs in after the business that user decision watches.
Present a kind of prior art on the basis of TISPAN IPTV framework, is divided into 2 parts to SISF: service discovering function SDF (Service Discovery Function) and service selection functional SSF (Service Selection Function).
See also Fig. 1, be prior art IPTV operation system structural representation.
Comprise user terminal 101, service selection functional SSF 102, service discovering function SDF 103, user Profile service function (UPSF, user's configuration service function) 104, IP Multimedia System core Core IMS 105, IPTV application server 106 and IPTV media server 107 among Fig. 1.
Wherein, service discovering function SDF is responsible for user terminal service access information is provided, and access information comprises EPG server address and content-on-demand directory address.Service selection functional SSF is responsible for the tabulation that user terminal provides available programs, mainly comprises the sign of program, can also be included as the required network parameter of interview show simultaneously.Service discovering function SDF and Core IMS, user Profile service function etc. all have interface, service discovering function SDF can obtain user Profile information from user Profile service function, and according to Information Selection service selection functional SSF such as user Profile information and user terminal location.Service discovering function SDF can also upgrade the ability of user terminal in the service discovering process, the ability of user terminal of for example finding certain service needed is that certain user terminal does not possess, and can provide certain plug-in unit to upgrade by user terminal downloads.In addition,, comprise that SDF information and SSF information change, all be responsible for user terminal and upgrade by service discovering function SDF if business information changes.
Seeing also Fig. 2, is the method flow diagram that prior art provides the IPTV business information, comprises step:
201, user terminal UE initiation business is adhered to request;
202, Core IMS forwarding business is adhered to and is asked service discovering function SDF;
203, service discovering function SDF is a customization SDF information according to ability of user terminal, user Profile information and user terminal location, comprises the address of the service selection functional SSF that is fit to of selection in the SDF information;
Wherein, user Profile information can obtain from user Profile service function UPSF or other entity.
204, service discovering function SDF sends to Core IMS with SDF information;
205, Core IMS transmits SDF information and gives user terminal UE;
206, after user terminal UE receives SDF information, obtain SSF information to service selection functional SSF request;
207, service selection functional SSF sends SSF information (as EPG, the CoD catalogue) and gives user terminal UE;
Service selection functional SSF obtains user Profile information after receiving the request of user terminal transmission from user Profile service function UPSF, be customization and send SSF information according to user Profile information.
If 208 business information change, service discovering function SDF is responsible for user terminal and upgrades business information.
Business information changes, and comprises that SDF information and SSF information change, and all is responsible for user terminal by service discovering function SDF and upgrades.
In research and practice process to prior art, the inventor finds that there is following problem in prior art: existing business information update mechanism is perfect inadequately, working as business information in the prior art changes, comprise that SDF information and SSF information change, all be to be responsible for user terminal by service discovering function SDF to upgrade, cause the duty ratio of service discovering function SDF bigger like this.
Summary of the invention
The technical problem that the embodiment of the invention will solve provides a kind of method and network television business system that network TV service information is provided, and can make the business information update mechanism in the network TV business more perfect.
For solving the problems of the technologies described above, embodiment provided by the present invention is achieved through the following technical solutions:
The embodiment of the invention provides a kind of method that network TV service information is provided, and comprising: when service discovering information changed, the electronic program EPG server was found the server notification user terminal by EPG; User terminal carries out the service discovering information updating according to the notice that described EPG finds server with the EPG server.
The embodiment of the invention provides a kind of network television business system, comprise: the EPG server is used to provide service discovering information, when service discovering information changes, find the server notification user terminal by EPG, carry out the service discovering information updating with user terminal; EPG finds server, is used to provide EPG to find information, sends notice to user terminal; User terminal is used for the notice according to described EPG discovery server, carries out the service discovering information updating with described EPG server.
From technique scheme as can be seen, the technical scheme of the embodiment of the invention is: when service discovering information changed, the EPG server was found the server notification user terminal by EPG; User terminal finds that according to described EPG server sends notice, carries out the service discovering information updating with the EPG server.Because the embodiment of the invention is when service discovering information changes, informing user terminal and EPG server carry out the service discovering information updating, rather than find that by EPG server is that user terminal carries out the service discovering information updating, so that the business information update mechanism in the network TV business is more perfect, reduced the load that EPG finds server.
Description of drawings
Fig. 1 is a prior art IPTV operation system structural representation;
Fig. 2 is the method flow diagram that prior art provides the IPTV business information;
Fig. 3 is that the embodiment of the invention one EPG finds the information updating flow chart;
Fig. 4 is a service discovering information updating flow chart under the embodiment of the invention two interactive modes;
Fig. 5 is a service discovering information updating flow chart under the embodiment of the invention three nonreciprocal modes;
Fig. 6 is that business information is obtained flow chart under the embodiment of the invention four interactive modes;
Fig. 7 is that business information is obtained flow chart under the embodiment of the invention five nonreciprocal modes;
Fig. 8 is the flow chart of the concrete application examples of the embodiment of the invention;
Fig. 9 is an embodiment of the invention IPTV operation system structural representation;
Figure 10 is the structural representation that EPG finds server in the embodiment of the invention IPTV operation system;
Figure 11 is the structural representation of EPG server in the embodiment of the invention IPTV operation system.
Embodiment
The embodiment of the invention provides a kind of method that network TV service information is provided, and can make the business information update mechanism in the IPTV business more perfect.
Before introducing embodiment of the invention method, simply introduce earlier the IPTV operation system of the embodiment of the invention.See also Fig. 9 embodiment of the invention IPTV operation system structural representation.
Among this figure, the entity relevant with IPTV mainly comprises: IPTV application server, IPTV media server, user Profile service function, EPG (Electric Program Guide, electronic program list) find server and EPG server.Each IPTV business all corresponding one group of IPTV application server and media server.EPG finds that server category is similar to the SDF that mentions in the prior art, and the EPG server category is similar to the SSF that mentions in the prior art.EPG finds server, finds information for the user provides EPG, for example service provider's information and corresponding information such as EPG server address.The EPG server for the user provides service discovering information, comprises that mainly business description information and business obtain information such as address.User Profile service function, essential record IMS user Profile information and IPTV Profile information comprise service subscribing information, user preferences etc.
Following table 1 is found information description for EPG, and table 2 is the service discovering information description.
| Title | Explanation |
| Service provider's sign | Be used for service provider of unique identification |
| Service provider's descriptor | Simple description for the service provider |
| The EPG server obtains the address | EPG server address (as URL address, multicast address etc.) |
| EPG information obtain manner | Adopt modes such as clean culture, multicast and broadcasting |
Table 1
| Title | Explanation |
| Service identification | Be used for business of unique identification |
| Business description information | Simple description for business |
| Business is obtained the address | Media server address and port numbers |
| Professional obtain manner | Adopt modes such as clean culture, multicast and broadcasting |
Table 2
User terminal and EPG find between the server that user terminal can adopt 2 kinds of modes to obtain EPG and find server location: 1) EPG finds that server adopts known unified resource positioning address URL; 2) accessing user terminal to network obtains the URL that EPG finds server when NACF (network access configuration function) module by NASS (network insertion subsystem) obtains the IP address.
Below introduce the method that the embodiment of the invention provides the IPTV business information in detail.In the embodiment of the invention, when EPG discovery information changes, be to find that by EPG server is that user terminal upgrades, and service discovering information is when changing, be to find the server notification user terminal by EPG by the EPG server, user terminal carries out the service discovering information updating with the EPG server after receiving the notice of described EPG discovery server transmission.
Seeing also Fig. 3, is that the embodiment of the invention one EPG finds the information updating flow chart, comprises step:
301, user terminal initiates to obtain the subscribe request SUBSCRIBE of update notification information;
302, Core IMS is transmitted to EPG with subscribe request SUBSCRIBE and finds server;
303, EPG discovery server is confirmed to subscribe to successfully, returns acknowledge message 200OK;
304, Core IMS is transmitted to user terminal with confirmation 200OK;
305, when EPG discovery information changes, EPG finds the server triggers renewal process;
306, EPG finds that server generates updating message, comprises new EPG in the updating message and finds information;
307, EPG finds that the server NOTIFY that sends a notification message sends to CoreIMS with updating message;
308, Core IMS is transmitted to user terminal with notification message NOTIFY;
309, user terminal acknowledges receipt of notification message, returns acknowledge message 200OK to Core IMS;
310, Core IMS is transmitted to EPG with confirmation 200OK and finds server.
Seeing also Fig. 4, is service discovering information updating flow chart under the embodiment of the invention two interactive modes, comprises step:
401, user terminal initiates to obtain the subscribe request SUBSCRIBE of update notification information;
402, Core IMS is transmitted to EPG with subscribe request SUBSCRIBE and finds server;
403, EPG discovery server is confirmed to subscribe to successfully, returns acknowledge message 200OK;
404, Core IMS is transmitted to user terminal with confirmation 200OK;
405, change EPG server triggers renewal process when service discovering information;
406, the EPG server finds that to EPG server sends update request, and request EPG finds that the server notification user terminal upgrades service discovering information;
407, after EPG finds that server receives described update request, generate updating message, be used for informing user terminal from EPG server update service discovering information;
408, EPG finds that the server NOTIFY that sends a notification message sends to CoreIMS with updating message;
409, Core IMS is transmitted to user terminal with notification message NOTIFY;
410, user terminal acknowledges receipt of notification message, returns acknowledge message 200OK to Core IMS;
411, Core IMS is transmitted to EPG with acknowledge message 200OK and finds server;
412, user terminal sends the message of upgrading service discovering information to the EPG server, and the version information of original service discovering information is sent to the EPG server;
Be to adopt mode of unicast in the present embodiment, so the service discovering information that user terminal and EPG server adopt the http protocol transmission to upgrade.Then adopt DVBSTP (DVB service discovering and selection transmission) agreement if adopt the multicast mode to obtain service discovering information; If the employing broadcast mode obtains service discovering information then adopts FLUTE (undirected file transfer) agreement.
413, after the EPG server receives the message of described renewal service discovering information, with user terminal send original service discovering information version information and the version information of current service discovering information mate, generate that part of service discovering information that the user terminal needs upgrade according to matching result;
414, the EPG server sends the service discovering information that needs renewal to user terminal.
Seeing also Fig. 5, is service discovering information updating flow chart under the embodiment of the invention three nonreciprocal modes, comprises step:
501, user terminal initiates to obtain the subscribe request SUBSCRIBE of update notification information;
502, Core IMS is transmitted to EPG with subscribe request SUBSCRIBE and finds server;
503, EPG discovery server is confirmed to subscribe to successfully, returns acknowledge message 200OK;
504, Core IMS is transmitted to user terminal with confirmation 200OK;
505, change EPG server triggers renewal process when service discovering information;
506, the EPG server finds that to EPG server sends update request, and request EPG finds that the server notification user terminal upgrades service discovering information;
507, after EPG finds that server receives described update request, generate updating message, be used for informing user terminal from EPG server update service discovering information;
508, EPG finds that the server NOTIFY that sends a notification message sends to CoreIMS with updating message;
509, Core IMS is transmitted to user terminal with notification message NOTIFY;
510, user terminal acknowledges receipt of notification message, returns acknowledge message 200OK to Core IMS;
511, Core IMS is transmitted to EPG with acknowledge message 200OK and finds server;
512, user terminal adds relevant multicast group or is tuned to relevant ES stream renewal service discovering information.
According to the address that obtains of corresponding EPG information, utilize IGMP (IGMP) to add multicast group after the user terminal transmission confirmation, the service discovering information after the reception renewal.Be to adopt the multicast mode to obtain service discovering information in the case, so adopt the DVBSTP agreement.
Perhaps, user terminal finds the basic stream ES (Elementary Stream) that carries EPG information according to the address that obtains of its corresponding EPG information after sending confirmation, is tuned to this ES again, receives the service discovering information after upgrading.Be to adopt broadcast mode to obtain service discovering information in the case, so adopt the FLUTE agreement.
Above-mentioned introduction be the process of upgrading about business information in the embodiment of the invention, the embodiment of the invention provides in the method for IPTV business information, the acquisition process of business information also is different with prior art.
Mention in the prior art in front, service selection functional SSF obtains user Profile information after receiving the request of user terminal transmission from user Profile service function UPSF, is customization and sends SSF information according to user Profile information.In general, service selection functional SSF is provided by the third party, service discovering function SDF is provided by operator, provides the operator of IPTV business not wish that service selection functional SSF can directly obtain user Profile information from user Profile service function UPSF.The embodiment of the invention provides in the method for IPTV business information, and the acquisition process of business information is that the EPG server finds that by EPG it is customization and transmission service discovering information that server obtains user Profile information, satisfies the demand of operator.
Seeing also Fig. 6, is that business information is obtained flow chart under the embodiment of the invention four interactive modes, comprises step:
601, user terminal initiates to obtain the subscribe request SUBSCRIBE that EPG finds information, comprises terminal ability information among the subscribe request SUBSCRIBE;
602, Core IMS is transmitted to EPG with subscribe request SUBSCRIBE and finds server;
603, EPG discovery server is confirmed to subscribe to successfully, returns acknowledge message 200OK;
604, Core IMS is transmitted to user terminal with acknowledge message 200OK;
605, EPG finds that server obtains user profile from user Profile service function after sending acknowledge message 200OK;
606, EPG finds that server is customization EPG discovery information according to information such as ability of user terminal, user Profile, comprises service provider, service provider's basic description, EPG server and obtain manner;
A, according to user signing contract information, select signatory service provider.
B, according to type of user terminal and ability, select dissimilar service provider (mobile service provider and fixed service provider).
C, according to customer location, select ownership place service provider or visit ground service provider.
D, according to user preference, select interactive mode or nonreciprocal mode.
607, EPG discovery server is set up the user profile context for the user;
608, EPG finds that the server NOTIFY that sends a notification message sends to CoreIMS with EPG discovery information;
609, Core IMS is transmitted to user terminal with notification message NOTIFY;
610, user terminal acknowledges receipt of announcement information, returns acknowledge message 200OK to Core IMS;
611, Core IMS is transmitted to EPG with acknowledge message 200OK and finds server;
612, user terminal is selected the service provider after sending acknowledge message 200OK, initiates the HTTP request according to the address that obtains of its corresponding EPG information to the EPG server, requires to obtain service discovering information;
Be to adopt mode of unicast in the present embodiment, so user terminal and EPG server adopt the http protocol transport service to find information.
613, the EPG server is received request, finds that to EPG server requests obtains user personalized information;
614, EPG finds that server obtains user personalized information from the user profile context that step 607 is set up, if not then EPG finds that server obtains user profile from user Profile service function again;
615, EPG finds that server sends to the EPG server with user personalized information;
616, the EPG server is that customized service is found information according to user personalized information;
617, the EPG server sends the good service discovering information of customization to user terminal.
Seeing also Fig. 7, is that business information is obtained flow chart under the embodiment of the invention five nonreciprocal modes, comprises step:
701, user terminal initiates to obtain the subscribe request SUBSCRIBE that EPG finds information, comprises terminal ability information among the subscribe request SUBSCRIBE;
702, Core IMS is transmitted to EPG with subscribe request SUBSCRIBE and finds server;
703, EPG discovery server is confirmed to subscribe to successfully, returns acknowledge message 200OK;
704, Core IMS is transmitted to user terminal with acknowledge message 200OK;
705, EPG finds that server obtains user profile from user Profile service function after sending acknowledge message 200OK;
706, EPG finds that server is customization EPG discovery information according to information such as ability of user terminal, user Profile, comprises service provider, service provider's basic description, EPG server and obtain manner;
A, according to user signing contract information, select signatory service provider.
B, according to type of user terminal and ability, select dissimilar service provider (mobile service provider and fixed service provider).
C, according to customer location, select ownership place service provider or visit ground service provider.
D, according to user preference, select interactive mode or nonreciprocal mode.
707, EPG finds that the server NOTIFY that sends a notification message sends to CoreIMS with EPG discovery information;
708, Core IMS is transmitted to user terminal with notification message NOTIFY;
709, user terminal acknowledges receipt of announcement information, returns acknowledge message 200OK to Core IMS;
710, Core IMS is transmitted to EPG with acknowledge message 200OK and finds server;
711, user terminal adds relevant multicast group or is tuned to relevant ES stream reception service discovering information.
According to the address that obtains of corresponding EPG information, utilize IGMP to add multicast group after the user terminal transmission confirmation, receive service discovering information.Be to adopt the multicast mode to obtain service discovering information in the case, so adopt the DVBSTP agreement.
Perhaps user terminal finds the ES that carries EPG information according to the address that obtains of its corresponding EPG information after sending confirmation, is tuned to this ES again, receives service discovering information.Be to adopt broadcast mode to obtain service discovering information in the case, so adopt the FLUTE agreement.
Be introduced below in conjunction with a concrete application examples.
The user watches the TV program by set-top box.For obtaining electronic program EPG, set-top box finds that to EPG server subscription EPG finds information.EPG discovery server knows that from user Profile service function this user has subscribed to a plurality of service providers' program, be respectively the Chinese Central Television (CCTV), Jiangsu TV station and Nanjing Television Station, therefore from numerous service providers, pick out the signatory service provider of these users so that the user selects.EPG some personalized EPG services of having used preferences (comprise and like watching sport category and news category program) and customization of finding that server also knows the user from user Profile service function simultaneously, therefore preferential selection can provide the EPG server of interactive mode.Then, the EPG discovery information that will comprise these service providers and EPG server address and obtain manner sends to user terminal.The user visits its corresponding EPG server obtaining to have selected the Chinese Central Television (CCTV) after the EPG discovery information.The EPG server finds that from EPG server obtains user personalized information and carries out the customization of business information, and sport category and news category program are carried out mark, will customize good service discovering information then and send to user terminal.User terminal generates EPG according to service discovering information, and the program that mark is crossed carries out highlighted demonstration, and the user watches programs of interest according to the EPG Information Selection.(user terminal and EPG find that server adopts Session Initiation Protocol (session initiation protocol), and EPG finds that server and EPG server adopt SOAP (Simple Object Access Protocol /) http protocol.)
Subscribe message:
SUBSCRIBE?sip:epgdiscovery@iptv.net?SIP/2.0
Event：epgdiscovery-Profile
From：sip:user@iptv.net；tag＝1234
To：sip:epgdiscovery@iptv.net
Call-ID：3573853342923422@192.0.2.44
CSeq：2131SUBSCRIBE
Contact：user@iptv.net
Via：SIP/2.0/TCP
192.0.2.41；branch＝z9hG4bK6d6d35b6e2a203104d97211a3d18f57a
Accept：application/epgdiscovery-info+xml
Content-Length：0
Notification message:
NOTIFY?sip：user@iptv.net?SIP/2.0
Event：epgdiscovery-Profile
From：sip:epgdiscovery@iptv.net；tag＝abcd
To：sip:user@iptv.net.net；tag＝1234
Call-ID：3573853342923422@192.0.2.44
CSeq：322NOTIFY
Via：SIP/2.0/UDP
192.0.2.3；branch＝z9hG4bK1e3effada91dc37fd5a0c95cbf6767d1
Content-Type：application/epgdiscovery-info+xml
Content-ID：<39EHF78SA@iptv.net>
<？xml?version＝″1.0″encoding＝″UTF-8″？>
<epgdiscovery-info?xmlns＝″urn:ietf:params:xml:ns:epgdiscovery-info″>
<service?provider>
<service?provider?ID>
CCTV
</service?provider?ID>
<service?provider?description>
The Chinese Central Television (CCTV)
</service?provider?description>
<EPG?server?address>
epg@cctv.com
</EPG?server?address>
<EPG?transport?mode>
interactive
</EPG?transport?mode>
</service?provider>
<service?provider>
<service?provider?ID>
JSTV
</service?provider?ID>
<service?provider?description>
Jiangsu TV station
</service?provider?description>
<EPG?server?address>
epg@jstv.com
</EPG?server?address>
<EPG?transport?mode>
interactive
</EPG?transport?mode>
</service?provider>
<service?provider>
<service?provider?ID>
NJTV
</service?provider?ID>
<service?provider?description>
Nanjing Television Station
</service?provider?description>
<EPG?server?address>
epg@njtv.com
</EPG?server?address>
<EPG?transport?mode>
interactive
</EPG?transport?mode>
</service?provider>
</epgdiscovery-info>
User personalized information:
<user?preference>
<program?type>
sport
news
</program?type>
<language>
chinese
</language>
</user?preference>
Seeing also Fig. 8, is the flow chart of the concrete application examples of the embodiment of the invention, comprises step:
801, initiate to obtain the subscribe request SUBSCRIBE that EPG finds information, comprise terminal ability information among the subscribe request SUBSCRIBE
802, Core IMS is transmitted to EPG with subscribe request SUBSCRIBE and finds server;
803, EPG discovery server is confirmed to subscribe to successfully, returns acknowledge message 200OK;
804, Core IMS is transmitted to user terminal with acknowledge message 200OK;
805, EPG finds that server obtains user profile from user Profile service function after sending acknowledge message 200OK, comprise that service provider's (Chinese Central Television (CCTV), Jiangsu TV station and Nanjing Television Station), user preference (like watching sport category and news category program, language is set to Chinese) that the user subscribes to wait other customized information;
806, EPG finds service provider's (Chinese Central Television (CCTV), Jiangsu TV station and Nanjing Television Station) and the corresponding EPG server that interactive mode can be provided that server selects the user to contract according to information such as terminal capability, user Profile for the user, the service provider is identified, service provider's basic description, EPG server address and obtain manner are integrated into EPG and find information;
807, EPG discovery server is set up the user profile context for the user;
808, EPG finds that the server NOTIFY that sends a notification message sends to CoreIMS with EPG discovery information;
809, Core IMS is transmitted to user terminal with notification message NOTIFY;
810, user terminal acknowledges receipt of announcement information, returns acknowledge message 200OK to Core IMS;
811, Core IMS is transmitted to EPG with acknowledge message 200OK and finds server;
812, user terminal selects to watch the program of the Chinese Central Television (CCTV) after sending acknowledge message 200OK, initiates the HTTP request according to the address that obtains of its corresponding EPG information to the EPG server, requires to obtain service discovering information;
813, the EPG server is received request, finds that to EPG server requests obtains user personalized information;
814, EPG finds that server obtains user personalized information (watch sport category and news category program as liking, language is set to Chinese) from the user profile context that step 807 is set up, send to the EPG server with user personalized information;
815, the EPG server customizes for the user according to user personalized information, and sport category and news category program are carried out mark;
816, user terminal generates EPG from the service discovering information that it is good that the EPG server receives customization, and the program that mark is crossed is carried out highlighted demonstration, and the user watches programs of interest according to the EPG Information Selection.
Above-mentionedly describe the method that the embodiment of the invention provides the IPTV business information in detail, below introduce the IPTV operation system of the embodiment of the invention in detail.
Seeing also Fig. 9, is embodiment of the invention IPTV operation system structural representation.
Among this Fig. 9, the entity relevant with IPTV mainly comprises: user terminal 901, EPG server 902, EPG find server 903, user Profile service function 904, Core IMS, IPTV application server 906 and IPTV media server 907.EPG finds that server 903 and EPG server 902 are with service discovering and two entities after selecting the service function fractionation.Each IPTV business all corresponding one group of IPTV application server 906 and IPTV media server 907.
EPG finds that server 903 is similar to the SDF that mentions in the prior art, and EPG server 902 is similar to the SSF that mentions in the prior art.EPG finds server 903, finds information for the user provides EPG, for example service provider's information and corresponding information such as EPG server 902 addresses.EPG server 902 for the user provides service discovering information, comprises that mainly business description information and business obtain information such as address.User Profile service function 904, essential record IMS user Profile information and IPTV Profile information comprise service subscribing information, user preferences etc.IPTV application server 906, EPG server 902 and EPG discovery server 903 can be provided personalized service for the user according to these information.
Seeing also Figure 10, is the structural representation that EPG finds server in the embodiment of the invention IPTV operation system.
EPG finds that server 903 is used to the user to provide EPG to find the renewal of information and relevant information.Specifically comprise: provide the service provider to identify and basic describe, EPG information obtain address and obtain manner, help the user to obtain service discovering information etc.EPG finds that server 903 can be according to terminal capability, and user Profile information etc. are found information for customization EPG, and when business information changed, the notice terminal was upgraded simultaneously.
As shown in figure 10, EPG finds that server 903 comprises: service selection and discovery control module 9031, information processing module of user's 9032, service provider's management and selection module 9033 and service provider's maintenance of information module 9034.
Service selection and discovery control module 9031: be responsible for triggering service selection and discovery procedure.Receive the business information request of obtaining of user terminal 901 on the one hand, and obtain user terminal 901 ability information, offer service provider's management and select module 9033.Obtain EPG discovery information or lastest imformations and send to the user from service provider's management and selection module 9033 on the other hand.
Information processing module of user's 9032: obtain information such as user's subscription, user preference from user Profile service function 904, for service provider's management and selection module 9033 provide reference.
Service provider's management and selection module 9033: be responsible for service provider's management and selection, and generate EPG discovery message or updating message.Service provider's management and selection module 9033 can be carried out following work of treatment:
1, from service selection with find control module 9031 and information processing module of user's 9032 is obtained terminal capability, information such as user Profile, obtaining service provider's information from service provider's maintenance of information module 9034, is the obtain manner of customized service provider, EPG server 902 and information according to these information.Main rule comprises:
A, according to user signing contract information, select signatory service provider.
B, according to user terminal 901 types and ability, select dissimilar service providers.For example select mobile service provider and fixed service provider according to terminal capability.
C, according to customer location, select ownership place service provider or visit ground service provider.
D, according to user preference, select interactive mode or nonreciprocal mode.For example the user has carried out some personalized customization, and then selecting interactive mode is that customized service is found information.
2, selected the EPG server 902 of interactive mode can be provided after, set up the user profile context.For providing user personalized information, this EPG server 902 carries out the service discovering information customization.
After service provider's management and selection module 9033 receive the user personalized information of information processing module of user's 9032 transmissions, set up the user profile context and store.When EPG server 902 finds that to EPG server 903 acquisition request user personalized informations are that customized service is when finding information, described service provider's management and the user personalized information of selecting module 9033 will be stored in the described user profile context send to EPG server 902, perhaps when the user profile context is not stored user personalized information, notice information processing module of user's 9032 is obtained user personalized information from user Profile service function 904, and sends to EPG server 902 after receiving the user personalized information that information processing module of user's 9032 returns.
3, generate EPG and find information.Result according to Dynamic Selection, the service provider is tabulated, service provider's basic description with EPG information obtain the address and obtain manner is integrated, generate EPG and find information, last informing business is selected and is found that control module 9031 is ready for sending EPG and finds information.
4, generate updating message.Change when EPG finds information or service discovering information, generate updating message, and notify the user to upgrade business information on the user terminal 901 by notification message.Find information if upgrade EPG, the EPG that then will comprise in the updating message after the renewal finds information.If service discovering information changes, then informing user terminal 901 adopts corresponding update mode to upgrade service discovering information from EPG server 902, and last informing business is selected and found that control module 9031 is ready for sending updating message.
Table 1 is found information description for EPG:
| Title | Explanation |
| Service provider's sign | Be used for service provider of unique identification |
| Service provider's descriptor | Simple description for the service provider |
| The EPG server obtains the address | EPG server address (as URL address, multicast address etc.) |
| EPG information obtain manner | Adopt modes such as clean culture, multicast and broadcasting |
Table 1
Service provider's maintenance of information module 9034: be used for maintenance service provider information, comprise that the service provider identifies and descriptor, EPG server 902 information of service provider's correspondence.Management of informing business provider and selection module 9033 if service provider's information changes.
Seeing also Figure 11, is the structural representation of EPG server in the embodiment of the invention IPTV operation system.
As shown in figure 11, EPG server 902 comprises: service discovering information sending module 9021, service discovering information customization module 9022, service discovering information updating module 9023, service discovering maintenance of information module 9024.
Service discovering information sending module 9021: send service discovering information to user terminal 901.Send mode comprises clean culture, multicast and broadcasting.Service discovering information obtains from service discovering information customization module 9022 or service discovering maintenance of information module 9024.The message rear line terminal 901 that service discovering information sending module 9021 receives the renewal service discovering information that user terminal 901 sends is returned the service discovering information after the renewal; Perhaps, service discovering information sending module 9021 adopts the service discovering information after the mode of multicast or broadcasting issues renewal, is gone to receive by user terminal 901.
Service discovering information customization module 9022: be used to customized service to find information.If user terminal 901 adopts interactive mode to obtain service discovering information with EPG server 902, this module finds that from EPG server 903 obtains user personalized information, carries out the customization of service discovering information according to these information.For example the service discovering information that the service provider provides is reduced, for the user provides needed service lists and associated description according to user preference.Service discovering information customization module 9022 sends to user terminal 901 by service discovering information sending module 9021 after being customized service discovery information.
Service discovering information updating module 9023: if user terminal 901 adopts interactive mode to obtain professional lastest imformation with EPG server 902, when in service discovering information sending module 9021 receives the message of the renewal service discovering information that user terminal 901 sends, carrying the version information of original service discovering information, the version information of the original service discovering information in the described message is transmitted to service discovering information updating module 9023, the version information of the version information of the service discovering information that service discovering information updating module 9023 provides user terminal 901 and current service discovering information mates, generate the service discovering message part that user terminal 901 needs upgrade according to matching result, and send to user terminal 901 by service discovering information sending module 9021.
Service discovering maintenance of information module 9024: be used for storage and maintenance service discovering information.If service discovering information changes, then notify EPG to find server 903, and find server notification user terminal 901 by EPG.
Table 2 is the service discovering information description:
| Title | Explanation |
| Service identification | Be used for business of unique identification |
| Business description information | Simple description for business |
| Business is obtained the address | Media server address and port numbers |
| Professional obtain manner | Adopt modes such as clean culture, multicast and broadcasting |
Table 2
The interface of each inter-entity is referring to following description in the IPTV operation system.
EPG finds the interface between server 903 and Core IMS: this interface adopts Session Initiation Protocol.Be used to receive the service discovering of user terminal 901 and select request, find information, collect user terminal 901 abilities simultaneously for the user provides EPG.Informing user terminal 901 upgrades when business information changes.
The interface that EPG discovery server 903 and user Profile service function are 904: this interface adopts Diameter.Be used for transmitting subscriber information.For example customer position information, CAMEL-Subscription-Information and user preference etc.
The interface that EPG server 902 and user terminal are 901: this interface is according to the different mining of obtain manner 3 quasi-protocols.If user terminal 901 is to use mode of unicast to obtain service discovering information then adopts http protocol; If user terminal 901 is to adopt the multicast mode to obtain service discovering information then adopt the DVBSTP agreement; If user terminal 901 is to adopt broadcast mode to obtain service discovering information then adopt the FLUTE agreement.
In sum, the technical scheme of the embodiment of the invention is: when service discovering information changed, the EPG server was found the server notification user terminal by EPG; User terminal finds that according to described EPG server sends notice, carries out the service discovering information updating with the EPG server.Because the embodiment of the invention is when service discovering information changes, informing user terminal and EPG server carry out the service discovering information updating, rather than find that by EPG server is that user terminal carries out the service discovering information updating, so that the business information update mechanism in the network TV business is more perfect, reduced the load that EPG finds server;
Further, in the embodiment of the invention, the acquisition process of business information is that the EPG server finds that by EPG it is customization and transmission service discovering information that server obtains user Profile information, satisfies the demand of operator.
More than a kind of method of network TV service information and network television business system of providing that the embodiment of the invention provided is described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (14)
1, a kind of method that network TV service information is provided is characterized in that, comprising:
When service discovering information changed, the electronic program EPG server was found the server notification user terminal by EPG;
User terminal carries out the service discovering information updating according to the notice that described EPG finds server with the EPG server.
2, the method that network TV service information is provided according to claim 1 is characterized in that, described EPG server finds that by EPG the server notification user terminal is specially:
The EPG server is initiated update request, request EPG finds that the server notification user terminal upgrades service discovering information, the generation updating message sent to user terminal after described EPG discovery server received described update request, and informing user terminal is from EPG server update service discovering information.
3, the method that network TV service information is provided according to claim 1 and 2 is characterized in that, described user terminal and EPG server carry out the service discovering information updating and be specially:
User terminal sends the message of upgrading service discovering information to the EPG server, after described EPG server receives the message of described renewal business information, and the service discovering information after user terminal returns renewal.
4, the method that network TV service information is provided according to claim 3 is characterized in that:
Described user terminal carries the version information of original service discovering information in the message of the renewal service discovering information that the EPG server sends; Described service discovering information after user terminal returns renewal is specially:
Described EPG server finds that with current business the version information of information and the version information of described original service discovering information mate, and returns the service discovering information different with user terminal Central Plains service discovering information that the coupling back generates to user terminal.
5, the method that network TV service information is provided according to claim 1 and 2 is characterized in that, described user terminal and EPG server carry out the service discovering information updating and be specially:
User terminal adds multicast group or is tuned to service discovering information after basic stream receives the renewal that the EPG server issues.
6, the method that network TV service information is provided according to claim 1 and 2 is characterized in that, further comprises:
When EPG discovery information changed, the EPG that the transmission of EPG discovery server is carried after the renewal found that the updating message of information is to user terminal;
The EPG discovery information of user terminal after according to the renewal of carrying in the updating message is carried out EPG and is found information updating.
7, the method that network TV service information is provided according to claim 1 is characterized in that, this method comprises that also the EPG server is that customized service is found information, and described customization procedure is specially:
After EPG server reception user terminal requests is obtained the request of service discovering information, find that from EPG server obtains user personalized information, be that customized service is found information according to the user personalized information that obtains, and send to user terminal.
8, the method that network TV service information is provided according to claim 7 is characterized in that:
Described EPG server finds that from EPG the user personalized information that server obtains is: EPG finds that user personalized information or EPG that server obtains and is stored in the user profile context of setting up for the user find the user personalized information that server directly obtains from user's configuration service function from user's configuration service function.
9, a kind of network television business system is characterized in that, comprising:
The EPG server is used to provide service discovering information, when service discovering information changes, finds the server notification user terminal by EPG, carries out the service discovering information updating with user terminal;
EPG finds server, is used to provide EPG to find information, sends notice to user terminal;
User terminal is used for the notice according to described EPG discovery server, carries out the service discovering information updating with described EPG server.
10, network television business system according to claim 9 is characterized in that, described EPG server comprises:
Service discovering maintenance of information module is used for storage and maintenance service discovering information, and when service discovering information changed, notice EPG found server, and finds the server notification user terminal by EPG;
The service discovering information sending module is used for obtaining service discovering information and sending to user terminal from service discovering maintenance of information module;
The message rear line terminal that the service discovering information sending module receives the renewal service discovering information that user terminal sends is returned the service discovering information after the renewal; Perhaps, the service discovering information sending module adopts the service discovering information after the mode of multicast or broadcasting issues renewal, is gone to receive by user terminal.
11, network television business system according to claim 10 is characterized in that, described EPG server further comprises:
The service discovering information updating module, be used to generate the service discovering information that user terminal need upgrade, the service discovering information sending module receives when carrying the version information of original service discovering information in the message of the renewal service discovering information that user terminal sends, the version information of the original service discovering information in the described message is transmitted to the service discovering information updating module, described service discovering information updating module finds that with current business the version information of information and the version information of described original service discovering information mate, generate the service discovering information different, and send to user terminal by the service discovering information sending module with user terminal Central Plains service discovering information.
According to claim 10 or 11 described network television business systems, it is characterized in that 12, described EPG server further comprises:
Service discovering information customization module, be used to customized service to find information, when receiving after user terminal requests obtains the request of service discovering information, find that from EPG server obtains user personalized information, according to the user personalized information that obtains is that customized service is found information, and sends to user terminal by the service discovering information sending module.
13, network television business system according to claim 9 is characterized in that, described EPG finds that server comprises:
Service selection and discovery control module are used for sending EPG to user terminal and find message and updating message;
Service provider's management and selection module are used to generate EPG and find message and updating message;
After service provider management and selecting module to receive the notice that service discovering information that the EPG server sends changes, generate the updating message of service discovering information and send to user terminal by service selection and discovery control module, informing user terminal is from EPG server update service discovering information; When EPG discovery information changes, service provider management and select module to generate the updating message that EPG finds information, the EPG that carries in the described updating message after the renewal finds information, by service selection with find that control module sends to user terminal.
14, network television business system according to claim 13 is characterized in that, described EPG finds that server further comprises:
Information processing module of user's is used to obtain user personalized information, sends to service provider's management and selects module;
After described service provider's management and selection module receive the user personalized information of described information processing module of user's transmission, set up the user profile context and store;
When the EPG server finds that to EPG it is that customized service is when finding information that server requests is obtained user personalized information, described service provider's management and the user personalized information of selecting module will be stored in the described user profile context send to the EPG server, or the notice information processing module of user's obtains user personalized information, and sends to the EPG server after receiving the user personalized information that returns from information processing module of user's.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102368812A (en) * | 2011-10-09 | 2012-03-07 | 深圳Tcl新技术有限公司 | Digital television and channel searching method thereof |
| CN103139175A (en) * | 2011-11-30 | 2013-06-05 | 中国联合网络通信集团有限公司 | Multi-media message service processing method and multi-media message service processing system |
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| KR100739729B1 (en) * | 2005-09-03 | 2007-07-13 | 삼성전자주식회사 | Method and device for synchronizing EPG information between a server and a client in a digital broadcast network |
| CN100403799C (en) * | 2006-04-11 | 2008-07-16 | 华为技术有限公司 | System and method for implementing IPTV application control |
| CN1929495A (en) * | 2006-10-11 | 2007-03-14 | 中兴通讯股份有限公司 | Load equation method for distributed electronic program guidance system |
| CN100518292C (en) * | 2006-10-27 | 2009-07-22 | 华为技术有限公司 | Method for obtaining EPG and IPTV service system |
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| CN102368812A (en) * | 2011-10-09 | 2012-03-07 | 深圳Tcl新技术有限公司 | Digital television and channel searching method thereof |
| CN102368812B (en) * | 2011-10-09 | 2015-01-07 | 深圳Tcl新技术有限公司 | Digital television and channel searching method thereof |
| CN103139175A (en) * | 2011-11-30 | 2013-06-05 | 中国联合网络通信集团有限公司 | Multi-media message service processing method and multi-media message service processing system |
| CN103139175B (en) * | 2011-11-30 | 2015-08-19 | 中国联合网络通信集团有限公司 | Multimedia messaging service, MMS processing method and multimedia messaging service, MMS treatment system |
| CN103747429B (en) * | 2014-01-14 | 2017-06-27 | 中国联合网络通信集团有限公司 | Realize the method and system of quality of service customization |
| CN104486675A (en) * | 2014-12-31 | 2015-04-01 | 浙江创佳数字技术有限公司 | Updating method and system of electronic program menu of set top box |
| WO2023125661A1 (en) * | 2021-12-31 | 2023-07-06 | 华为技术有限公司 | Communication method and apparatus based on telecommunication network |
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