CN1852418A - Mobile television television broadcasting control system and broadcasting network and method - Google Patents
Mobile television television broadcasting control system and broadcasting network and method Download PDFInfo
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- CN1852418A CN1852418A CN 200610078904 CN200610078904A CN1852418A CN 1852418 A CN1852418 A CN 1852418A CN 200610078904 CN200610078904 CN 200610078904 CN 200610078904 A CN200610078904 A CN 200610078904A CN 1852418 A CN1852418 A CN 1852418A
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Abstract
The invention discloses control system for displaying mobile TV program, also discloses mobile TV displaying network based on the said system. Through mobile communication network, the control system for displaying mobile TV program connected to mobile terminals wirelessly is in use for authenticating authority of mobile terminal, and relation of service subscription. Being connected to mobile TV broadcast system, the control system receives service information from the said broadcast system, and synchronizes relation of service subscription, as well as creates service cipher keys and sends the keys to mobile terminals and mobile TV broadcast system. The invention also discloses method for playing mobile TV program based on the control system for displaying mobile TV program. Sending cipher keys directionally, the invention prevents deciphering cipher keys in multicast. Advantages are: avoiding high occupancy rate for network resources, supporting interactive service.
Description
Technical field
The present invention relates to a kind of mobile TV playing control system and based on the playing network and the broadcasting method of this control system, particularly a kind of mobile TV playing control system in conjunction with mobile communications network and television network broadcast, carry out the method that program broadcasts based on the playing network of this mobile TV playing control system and by this mobile TV playing control system, belong to the mobile communication technology field.
Background technology
Along with development of Communication Technique, the user no longer is satisfied with and is confined to the fixed terminal TV reception, but wishes and can watch favorite program at any time in the process that moves freely.
At present, the development of broadcast technology has realized TV programme being sent on the portable terminal in the mode of broadcasting by television network broadcast, realizes that no matter the user is outdoor, local strange land, all can watch TV programme indoors.
But send TV programme by broadcast mode, have following shortcoming:
The first, send TV programme by broadcast mode, though can encrypt, key can only send in the mode of mass-sending, and can't directive sending; Therefore, even only there is a user to select to watch a certain programs, television network broadcast also must be provided key by all user terminals in the overlay area, cause the waste of the unnecessary system resource and the network bandwidth, also brought key to crack the increase of probability, be unfavorable for guaranteeing the service security of operator, also be unfavorable for user's qualification is effectively authenticated;
When the second, sending TV programme by broadcast mode, television network broadcast has no way of learning whether terminal receives this TV programme, in order to guarantee successfully to receive, can only send continuously, has brought the huge load and the waste of system;
Three, sending TV programme by broadcast mode is unidirectional transmission, and the user can't feed back, and therefore can only passively accept, and can not realize initiatively participating in; Therefore, both be unfavorable for that the user obtains the favorable experience impression, also was unfavorable for carrying out of value-added service.
Outside television network broadcast, in mobile communications network, also realized at present sending the technology of TV programme: by the SP/CP source of programming, perhaps obtain program source, send to portable terminal by mobile communications network from television network broadcast to terminal.
This mode can realize the directive sending program and carry out user interactions, but have following shortcoming simultaneously also:
The first, the bandwidth deficiency that mobile communications network provided is so user's the effect of watching can't be guaranteed;
The second, the network bandwidth of SP/CP and server resource are subjected to the number of users quantitative limitation, and therefore, if the user who watches simultaneously is more or meet with network congestion, then user's the effect of watching can't be guaranteed.
Therefore, how with the advantage combination of television network broadcast and mobile communications network,, avoid again simultaneously the taking of Internet resources just become current problem demanding prompt solution really for the user provides high-quality mobile terminal television.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned defective of the prior art, a kind of mobile TV playing control system in conjunction with mobile communications network and television network broadcast is provided, by in mobile communications network, making up this system, realize the generation and the directive sending of key, and to the management of user's order relations.
Another object of the present invention provides a kind of mobile TV playing control system in conjunction with mobile communications network and television network broadcast, can further realize the function of authentication and secure service key.
It is the playing network that core constitutes with this mobile TV playing control system that another object of the present invention provides a kind of, by encrypting and decrypting to the television network broadcast program stream, realization is supported interactive service to the safety management of television network broadcast program, avoids the high occupancy to resource simultaneously.
A further object of the present invention provides a kind of under mobile communications network and environment that television network broadcast combines, broadcast the method for TV programme by mobile TV playing control system, realize key management, business authentication and subscription authentication, support the user interactions business.
For achieving the above object, the invention provides a kind of mobile TV playing control system, comprising:
One service center is used for the service authorization request that basis receives by mobile communications network, and the portable terminal that sends described service authorization request is carried out the authentication of service order relation; Also be used for sending business cipher key according to the service order relation to described portable terminal, described business cipher key is used for the program current cipher key of television network broadcast is carried out encrypt/decrypt;
One business cipher key administration module is connected with described service center and television network broadcast respectively, and be used to generate business cipher key and send to service center and television network broadcast respectively, and storage and the renewal of carrying out described business cipher key;
One order relations administration module is used for storage and maintenance service order relation; Be connected with television network broadcast, receive the business information of television network broadcast, and concern with the synchronous described service order of described television network broadcast; Be connected with described service center, be used to receive that service center sends that described portable terminal is carried out the instruction of service order relational query, return corresponding service order relations information.
Preferable technical scheme is to comprise that also described service center also is connected with a user key administration module, is used for according to described network side user key described portable terminal being carried out authentication; Described user key administration module is used to store the network side user key of described portable terminal, the life cycle of managing described network side user key.
Better technical scheme is that described service center also is connected with a guide service functional module, is used to use the network side user key will encrypt described business cipher key; Described guide service functional module is used for being connected with the HLR or the HSS of mobile communications network, produces the network side user key according to the subscription authentication data of obtaining from HLR or HSS, and sends to described service center.
The present invention also provides a kind of mobile TV playing network based on mobile TV playing control system, comprising:
Portable terminal, mobile TV playing control system and mobile television broadcast system;
Described portable terminal is connected with described mobile TV playing control system by mobile communications network, be connected with described mobile television broadcast system by television network broadcast, be used for obtaining key parameter, and decipher, play the program stream that receives from television network broadcast from mobile communications network; Described key parameter comprises business cipher key at least, and described business cipher key is used for the program current cipher key of television network broadcast is carried out encrypt/decrypt;
Described mobile TV playing control system by mobile communications network and described portable terminal wireless connections, is used to realize carry out authentication to the service order relation authentication of described portable terminal with to described portable terminal; Be connected with described mobile television broadcast system, receive the business information that described mobile television broadcast system sends, and simultaneous user's order relations; Also be used to generate business cipher key and send to described portable terminal and described mobile television broadcast system respectively;
Mobile television broadcast system, by television network broadcast and described portable terminal wireless connections, be used to provide the broadcast TV program source, use business cipher key that program current cipher key is encrypted, and offer described portable terminal after using program current cipher key that described broadcast TV program source is encrypted; Be connected with described mobile TV playing control system, be used for obtaining business cipher key, send business information from described mobile TV playing control system, and simultaneous user's order relations.
Preferable technical scheme is: described mobile TV playing control system also is connected with the HLR/HSS that authorization data information is provided, and is used for generating the network side user key according to described authorization data information, utilizes the described business cipher key of this network side user secret key encryption.
On the basis that described mobile TV playing control system is encrypted business cipher key, more technical scheme is: be that the described HLR/HSS of authorization data information that provides also is connected with described portable terminal by mobile communications network, is used to send all or part of described authorization data information to described portable terminal; Described portable terminal generates and stores the end side user key according to the authorization data information and the authorization data own that receive, and deciphers described business cipher key according to described end side user key.
Better technical scheme is, also comprise the WAP application server, described WAP application server is connected by mobile communications network with described portable terminal by WAP gateway, is used for the page request that mobile terminal receive sends, and returns respective page and give described portable terminal.
Also comprise the content download platform, described content download platform is connected by mobile communications network with described portable terminal, is used for the download request that mobile terminal receive sends, and returns the data file of being asked and give described portable terminal.
Also comprise the note application server, described note application server is connected by mobile communications network with described portable terminal with Short Message Service Center by internet short message gateway successively, be used to receive the mutual note that described portable terminal sends, and return response message and give described portable terminal.
Described WAP application server, content download platform and note application server provide the support to interactive service.
Better technical scheme is that described mobile TV playing control system is the ownership place mobile TV playing control system, then also comprises at least one roaming place mobile TV playing control system; Described roaming place mobile TV playing control system is connected with described ownership place mobile TV playing control system.
The present invention also provides a kind of TV programs to mobile terminal broadcasting method based on mobile TV playing control system, may further comprise the steps:
Step 1, portable terminal be according to selected TV programme, checks the local business cipher key that whether exists at described TV programme, is execution in step 2 then; Otherwise execution in step 3;
Whether step 2, the described business cipher key of described mobile terminal check be effective, is execution in step 6 then, otherwise execution in step 3;
Preferable technical scheme is also to comprise before described step 1:
When the TV client in the described portable terminal is opened or after the acquisition business guide, check whether this locality exists the end side user key, it is execution in step 1 then, otherwise described portable terminal generates user key to the mobile TV playing control system request, described mobile TV playing control system carries out authenticating user identification, authentication is by then producing network side user key and end side user key respectively, otherwise to described portable terminal return authentication failed message and finish.
Generate after the described network side user key, also comprise and preserve described network side user key and use described network side user key that described user key is carried out encrypted process.
Better technical scheme is to utilize described user key that described portable terminal is carried out authentication before described step 4.
Better technical scheme is also to comprise after the described step 6:
When watching described TV programme, terminal receives interaction content and initiates browse request to WAP gateway; WAP gateway is initiated page request to the WAP application server;
The WAP application server returns requests for page to WAP gateway;
WAP gateway sends to described portable terminal with the described request page.
Also comprise after the described step 6:
When watching described TV programme, terminal receives interaction content and initiates the data download request to download platform;
Download platform sends to described portable terminal with described data file.
And/or, also comprise after the described step 6:
When watching described TV programme, portable terminal sends interactive note at described TV programme to sms center;
Described sms center sends to the interactive application server by Short Message Service Gateway with described interactive note;
Described interactive application server sends to sms center by Short Message Service Gateway with response message;
Described sms center sends to described portable terminal with response message.
As shown from the above technical solution, the present invention adopts the mode that broadcast TV program is controlled by mobile communications network by mobile TV playing control system, has following beneficial effect:
1, realized the directive sending of key, guaranteed the safety management to the television network broadcast program, the terminal of having avoided not being authorized cracks the mass-sending key and steals the risk of seeing portable terminal television network broadcast program;
2, the two-way channel of mobile communications network makes mobile TV playing control system can know whether portable terminal receives the TV programme key, need not send repeatedly by television network broadcast, has avoided the high occupancy to Internet resources;
3, provide support to interactive service;
4, utilize existing television network broadcast, guaranteed the quality of playing programs.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the block diagram of the embodiment 1 of mobile TV playing control system provided by the present invention;
Fig. 2 is the block diagram of the embodiment 2 of mobile TV playing control system provided by the present invention;
Fig. 3 is the block diagram of the embodiment 1 of the mobile TV playing network based on mobile TV playing control system provided by the present invention;
Fig. 4 is the block diagram of the embodiment 2 of the mobile TV playing network based on mobile TV playing control system provided by the present invention;
Fig. 5 is the block diagram of the embodiment 3 of the mobile TV playing network based on mobile TV playing control system provided by the present invention;
Fig. 6 is the flow chart of the TV program broadcasting method based on mobile TV playing control system provided by the present invention;
Fig. 7 obtains the flow chart of business guide by mobile communications network for portable terminal in the method shown in Figure 6;
Fig. 8 is in the method shown in Figure 6, generates the flow chart of user key to the mobile TV playing control system request;
Fig. 9 is in the method shown in Figure 8, sends the flow chart of user key request message to the BSF of mobile TV playing control system module;
Figure 10 is in the method shown in Figure 6, portable terminal is carried out the flow chart of authentication;
Figure 11 is in the method shown in Figure 6, the flow chart of playing television program at mobile terminal;
Figure 12 is the flow chart of the embodiment 1 of method shown in Figure 6;
Figure 13 is the flow chart of the embodiment 2 of method shown in Figure 6.
Embodiment
In order to overcome the defective that existing portable terminal is watched broadcast TV program, the invention provides a kind of mobile TV playing control system, this system can combine television network broadcast and mobile communications network, and fixed point sends key, and the service order relation is carried out authentication management.
Referring to Fig. 1, the embodiment 1 for mobile TV playing control system A provided by the invention comprises:
One service center a, be used for the service authorization request that basis receives by mobile communications network, the portable terminal that sends this service authorization request is carried out the authentication of service order relation, promptly send the instruction of described portable terminal being carried out the service order relational query, and according to the service order relational query result who returns, whether decision sends business cipher key to this portable terminal; Described business cipher key is used for the program current cipher key of television network broadcast is carried out encrypt/decrypt;
Service center a is connected by mobile communications network with portable terminal, and the Signalling exchange of all the other modules and portable terminal is all undertaken by service center a in this mobile TV playing control system.
One business cipher key administration module b is connected with service center a and television network broadcast respectively, is used for generating, stores and the renewal business cipher key, and business cipher key is sent to service center a and television network broadcast respectively;
One order relations administration module c is used for storage and maintenance service order relation; With being connected of television network broadcast, receiving the business information of television network broadcast, and concern with the synchronous described service order of described television network broadcast; This can be active synchronization synchronously, and promptly order relations administration module c initiatively gives television network broadcast synchronously with the service order relation of being stored, and also can be passive and synchronous, and promptly order relations administration module c accepts the service order relation of television network broadcast; Concrete which kind of method of synchronization that adopts can freely be provided with according to service conditions; Order relations administration module c also is connected with service center a, is used to receive that service center a sends that portable terminal is carried out the instruction of service order relational query, and returns corresponding service order relations information.
The mobile TV playing control system that provides by present embodiment 1, mobile communications network and television network broadcast are coupled together, utilize the two-way channel of mobile communications network, realize the directive sending of order relations authentication and business cipher key, guaranteed the safety management to the television network broadcast program, the terminal of having avoided not being authorized cracks the mass-sending key and steals the risk of seeing portable terminal television network broadcast program; Simultaneously,, make mobile TV playing control system can know whether portable terminal receives the TV programme key, need not send repeatedly by television network broadcast, avoided high occupancy Internet resources based on the two-way channel of mobile communications network.
In embodiment 1, also can further comprise user key administration module d, be connected with described service center a, be used to store the network side user key of described portable terminal, the life cycle of managing described network side user key; Then this moment the described service center a that is connected with user key administration module d, also have the function of described portable terminal being carried out authentication according to described network side user key.
The network side user key of being stored among the user key administration module d can be generated by this user key administration module d, and its generation method adopts the key generation method of regular software, such as generating 25 literal key at random and issuing; Also can generate, be stored by user key administration module d again by other modules.
D provides key by the user key administration module, can realize the authentication of mobile TV playing control system to the customer service request, such as, only when the portable terminal that sends service request can provide the corresponding network side user key, service center a thinks that just this portable terminal authentication passes through.
On the basis of embodiment 1, the embodiment 2 of mobile TV playing control system A provided by the invention comprises: service center a, business cipher key administration module b, order relations administration module c and user key administration module d, the annexation of these modules is shown in above-mentioned embodiment.Also comprise:
Guide service function (Bootstrapping Service Function, be called for short BSF) module e, be connected with HLR or HSS in service center a and the mobile communications network respectively, be used for producing the network side user key, and send to described service center a according to the subscription authentication data of obtaining from HLR or HSS; Network side user key in the present embodiment, owing to be to generate according to the authorization data that provides among HLR or the HSS, also there is authorization data simultaneously in the portable terminal corresponding to HLR or HSS, therefore the network side user key is used for described business cipher key is encrypted except the effect that can play authentication in the present embodiment; Accordingly, the end side user key is used for business cipher key is decrypted.
The then described service center a that is connected with BSF module e also is used to use the described business cipher key of described network side user secret key encryption, and the described business cipher key that sends to portable terminal is an encrypted service key.
By present embodiment 2, mobile TV playing control system provided by the present invention can further be realized business cipher key is encrypted, and has increased the fail safe that mobile TV broadcasting is watched.Simultaneously, the authentication of mobile TV playing control system adopts the method for authenticating of end side user key and network side user cipher key match, has increased the difficulty that the network side user key is decoded.
In embodiment 2, service center a also further is connected with charge system, is produced charging bill and is sent to charge system by service center a.
Based on mobile TV playing control system described above, the present invention also provides a kind of mobile TV playing network.
No matter it will be appreciated by those skilled in the art that the portable terminal of common indication, be the portable terminal of the machine engaging same form, or the portable terminal of separation between machine and card formula, all is to have comprised that SIM/USIM is stuck in interior portable terminal.This is because if there is not the SIM/USIM card in the portable terminal, just can not realize the processing of data.In the specific embodiment of the present invention,, portable terminal (no SIM/USIM card) and SIM/USIM card are separately described, with the actual transfer path of complete performance signal for the broadcasting method based on mobile TV playing control system more clearly is described.In other words, portable terminal (no SIM/USIM card) and the taken separately operation of SIM/USIM card have completely constituted the operation of portable terminal on the ordinary meaning.
Referring to Fig. 3, be the embodiment 1 of mobile TV playing network provided by the present invention, comprise SIM/USIM card C, mobile TV playing control system A and the mobile television broadcast system D of portable terminal B, corresponding described portable terminal.
Described portable terminal B is connected with described mobile TV playing control system A by mobile communications network, be connected with described mobile television broadcast system D by television network broadcast, be used for obtaining key parameter from mobile communications network, and the program stream that uses program current cipher key deciphering, broadcast to receive from television network broadcast; Described key parameter comprises business cipher key at least, and described business cipher key is used for the program current cipher key of television network broadcast is carried out encrypt/decrypt;
Be installed in the SIM/USIM card C among the described portable terminal B, be used for the key parameter that mobile terminal receive B writes, decipher and obtain described program current cipher key according to described business cipher key;
Described mobile TV playing control system A by mobile communications network and described portable terminal B wireless connections, is used to realize that the service order relation to described portable terminal authenticates; Be connected with described mobile television broadcast system D, receive the business information that described mobile television broadcast system sends, and simultaneous user's order relations, thisly can be active synchronization synchronously, also can be for passive and synchronous; Also be used to generate business cipher key and send to described portable terminal B and described mobile television broadcast system D respectively, mobile television broadcast system D carries out the encryption of program current cipher key with this business cipher key, and portable terminal B uses this business cipher key to carry out the deciphering of program current cipher key.
This mobile TV playing control system A can further include: by the network side user key, described portable terminal B is carried out the function of authentication.This network side user key, can generate by this mobile TV playing control system A, its generation method adopts the key generation method of regular software, such as generating 25 literal key at random and issuing, promptly directly send the network side user key to portable terminal B by mobile TV playing control system A, when portable terminal B requested service, this network side user key is provided, carry out authentication by mobile TV playing control system A; This is a registration encrypted secret key using method commonly used at present.Also can generate, be stored by mobile TV playing control system A again by other modules.
Mobile television broadcast system D, by television network broadcast and described portable terminal B wireless connections, be used to provide the broadcast TV program of encryption and the program current cipher key of encryption, use business cipher key that program current cipher key is encrypted, and offer described portable terminal B after using program current cipher key that described broadcast TV program source is encrypted; Be connected with described mobile TV playing control system A, be used for obtaining business cipher key, send business information from described mobile TV playing control system A, and simultaneous user's order relations.
Description by above-mentioned mobile TV playing network based on mobile TV playing control system, as can be seen in this playing network, mobile communications network combines with television network broadcast, realized the directive sending of key, guaranteed safety management, also avoided high occupancy Internet resources to the television network broadcast program.
In present embodiment 1, can also comprise HLR/HSSE, be connected with described mobile TV playing control system A, be used to provide authorization data information;
The described mobile TV playing control system A that is connected with HLR/HSSE also is used to generate the network side user key, uses described network side user secret key encryption business cipher key.
In this case, the network side key has also played the effect of encrypting except the effect of authentication.After business cipher key is encrypted, must decipher, otherwise can not further decipher program current cipher key, also just can't TV reception.Can directly send the form of network side user key to portable terminal B by mobile TV playing control system A, B is decrypted by portable terminal; Also can carry out the generation of end side user key, realize the deciphering of business cipher key according to following network configuration:
The described HLR/HSSE of authorization data information that provides is connected with described portable terminal B by mobile communications network, is used to send all or part of described authorization data information to described portable terminal B; SIM/USIM card C among the described portable terminal B generates and stores the end side user key according to the authorization data information and the authorization data own that receive, and deciphers described business cipher key according to described end side user key.
Generate the network side user key by the authorization data that uses HLR/HSSE to provide, and the secure service key, the fail safe of key increased; Do not adopt the mode of direct transmission network side user key, help avoiding being blocked in the process of transmitting decoding; Simultaneously, utilize existing television network broadcast, guaranteed the quality of playing programs.
In the present embodiment 1, can also comprise service guideline server F, be connected with described mobile television broadcast system D, accept the synchronous business guide information of described mobile television broadcast system D, and, described business guide is sent to described portable terminal B by mobile communications network according to portable terminal B request.
Can also comprise charge system G, be connected, be used to receive the charging bill that described mobile TV playing control system produces, carry out Account Disposal and clearing with described mobile TV playing control system A.
Can also comprise WAP application server H, described WAP application server H is connected by mobile communications network with described portable terminal B by WAP gateway, is used for the page request that mobile terminal receive sends, and returns respective page and give described portable terminal B.
Can also comprise content download platform I, described content download platform I is connected by mobile communications network with described portable terminal B, is used for the download request that mobile terminal receive B sends, and returns the data file of being asked and give described portable terminal B.
Also comprise note application server J, described note application server J is connected by mobile communications network with described portable terminal B with Short Message Service Center by internet short message gateway successively, be used to receive the mutual note that described portable terminal B sends, and return response message and give described portable terminal B.
Above-mentioned WAP application server H, content download platform I and/or note application server J provide the support to interactive service.
Referring to Fig. 4, embodiment 2 for the mobile TV playing network based on mobile TV playing control system provided by the invention comprises: SIM/USIM card C, mobile TV playing control system A and the mobile television broadcast system D of portable terminal B, corresponding described portable terminal; Also comprise HLR/HSSE, service guideline server F, charge system G, WAP application server H, content download platform I and note application server J.Its annexation is as described in the embodiment 1.
In present embodiment 2, service guideline server F is connected with mobile communications network by WAP gateway, and content download platform I also is connected with mobile communications network by WAP gateway.
Further, in the present embodiment, described mobile television broadcast system D comprises:
One content source d1 is used for providing by television network broadcast the broadcast content of radio and television;
One content managing module d2 is connected with described content source d1, is used to provide business information and business guide information based on described content source d1; Be connected with described mobile TV playing control system A, be used for sending business information to described mobile TV playing control system A;
One user inquiring module d3 is connected with described mobile TV playing control system A, is used for synchronously and preserves user's order relations;
One program current cipher key administration module d4 is connected with described mobile TV playing control system A, is used to receive described business cipher key, and uses described business cipher key ciphered program stream secrete key; Be connected with described content source d1, be used to use the encrypting program stream keys program stream, and send to described portable terminal B.
As seen,, not only combine the advantage of mobile communications network and television network broadcast, the support to interactive service also is provided simultaneously by the embodiment 2 of the mobile TV playing network based on mobile TV playing control system provided by the invention.
Referring to Fig. 5, embodiment 3 for the mobile TV playing network based on mobile TV playing control system provided by the invention, comprise ownership place mobile TV playing control system A1 and roaming place mobile TV playing control system A2, described roaming place mobile TV playing control system A2 is connected with described ownership place mobile TV playing control system A1.
In the present embodiment, described roaming place mobile TV playing control system A2 is connected with described ownership place mobile TV playing control system A1 and is specially: the service center a of described roaming place mobile TV playing control system A2 is connected with the BSF module e of described ownership place mobile TV playing control system A1, is used to obtain the network side user key of portable terminal B; The service center a of described roaming place mobile TV playing control system A2 is connected with the order relations administration module c of described ownership place mobile TV playing control system A1, is used to obtain the ordering information of portable terminal B.
In embodiment 3, the roaming place mobile TV playing control system can be for a plurality of, and each all is connected with wired and/or wireless mode by IP network with ownership place mobile TV playing control system A1.But all the annexation with A1 and A2 is identical for the annexation of each mobile TV playing control system and ownership place mobile TV playing control system.
Referring to Fig. 6, the basic principle flow chart for the TV program broadcasting method based on mobile TV playing control system provided by the present invention may further comprise the steps:
Step 1, portable terminal be according to selected TV programme, checks the local business cipher key that whether exists at described TV programme, is execution in step 2 then; Otherwise execution in step 3;
Whether step 2, the described business cipher key of described mobile terminal check be effective, is execution in step 6 then, otherwise execution in step 3;
Because TV programme is to be obtained by television network broadcast, control system is the mobile TV playing control system in the mobile communications network, therefore, this method combines the advantage of mobile communications network and television network broadcast, realized the directive sending of key, avoided high occupancy to Internet resources, and, the quality of playing programs guaranteed.
Wherein, also comprise before the described step 1: described portable terminal obtains business guide by mobile communications network or television network broadcast.
Referring to Fig. 7, obtain the step of business guide by mobile communications network for portable terminal:
Step a1, described portable terminal send the business guide browse request with the unified URL link of the whole network to WAP gateway;
Step a2, described WAP gateway send to described business guide browse request and described mobile terminal IP address the service center of described mobile TV playing control system;
Step a 3, described service center judge the user region according to IP address, and the IP address of the service guideline server of user region is sent to WAP gateway;
Step a4, described WAP gateway are initiated business guide browse request, i.e. redirect operation according to described address to described service guideline server;
Step a5, described service guideline server send business guide to described WAP gateway;
Step a6, described WAP gateway send to described portable terminal with described business guide.
If the user is under the roaming state, in the then above-mentioned step of obtaining business guide by mobile communications network, WAP gateway is the roaming place WAP gateway, and service center is the service center of roaming place mobile TV playing control system, and service guideline server is the service guideline server of roaming place.
Described portable terminal is specially by the step that television network broadcast obtains business guide: described portable terminal extracts business guide from the data flow that television network broadcast sends.This business guide issues with broadcast mode.
The programme information that described business guide is described in progress programme information and/or do not play, its information comprises at least: channel designation, programm name, brief introduction, time started, concluding time and paying standard.
Can also comprise whether inspection this locality exists the end side user key after obtaining business guide, it is execution in step 1 then, otherwise described portable terminal generates user key to the mobile TV playing control system request, described mobile TV playing control system carries out authenticating user identification, authentication is by then producing network side user key and end side user key respectively, otherwise to described portable terminal return authentication failed message and finish.
Perhaps, before step 1, also comprise: when the TV client in the portable terminal is opened, check whether this locality exists the end side user key, it is execution in step 1 then, otherwise described portable terminal generates user key to the mobile TV playing control system request, described mobile TV playing control system carries out authenticating user identification, and authentication is by then producing network side user key and end side user key respectively, otherwise to described portable terminal return authentication failed message and finish.
As seen, when no matter being the client unlatching, perhaps obtain after the business guide, after there is not the end side user key in inspection this locality, all carry out the step that request generates user key, as shown in Figure 8:
Step b1, described portable terminal send the user key request message to the BSF of described mobile TV playing control system module;
Step b2, described BSF module are specially from the authorization data that HLR or HSS obtain described portable terminal: BSF is example with BSF to ownership HLR request AV to ownership HLR/HSS request AV (Authentication Vector, authentication tuple), and its flow process is as follows:
BSF sends authentication request (Authentication Data Request) message, wherein carries the AV number of international Mobile Server sign of user (International Mobile Server Idenity is called for short IMSI) and request, such as 5;
HLR searches subscriber authentication key (Ki or K) according to IMSI, and carries out a plurality of AV computings according to the AV number of request: if this user is the SIM card user, HLR carries out 3 yuan of AV computings, generate the AV that asks of institute individual several (RAND, RES, Kc), wherein, the random number of RAND for generating; If this user be the usim card user, HLR carries out 5 yuan of AV computings, generate ask AV individual several (RAND, AUTN, XRES, CK, IK), wherein RAND and AUTN are random number; For example, if that user request is 5 AV, then for the SIM card user, generate 5 (RAND, RES, Kc), for the usim card user, generate 5 (RAND, AUTN, XRES, CK, IK);
HLR sends authorization data response (Authentication Data Response) message to BSF, returns the AVs that computing obtains;
Step b3, described BSF module send to described portable terminal with the random number information in the described authorization data, specifically can use 1 group of AV, send HTTP message to terminal: if 3 yuan of AV then carry RAND; If 5 yuan of AV then carry RAND and AUTN;
Step b4, described portable terminal send to described SIM/USIM card with described random number information, the authorization data of computing acquisition own: SIM card is carried out 3 yuan of AV computings, authorization data (the SRES of acquisition own, Kc), usim card is carried out 5 yuan of AV computings, at first verifies the validity of AUTN, if effectively, then continue computing (RES, CK, IK); If invalid, trigger the heavy synchronizing process of AUTN, because this process is a UMTS access authentication normal process, in this programme, do not describe;
Step b5, described SIM/USIM return described authorization data own by portable terminal to described BSF module, SIM card return (SRES, Kc), usim card return (RES, CK, IK);
Step b6, described BSF module judge whether described authorization data own and the authorization data that obtains from HLR or HSS mate, be specially: judge whether SRES equates with RES/whether RES equate with XRES, be execution in step b7 then, otherwise to described portable terminal return authentication failed message and finish;
Step b7, described BSF module generate the network side user key: for SIM card, and network side user key K s=Kc; For usim card, network side user key K s is the exclusive disjunction result of CK and IK, generates guide service sign (Bootstrapping transaction identifier is called for short B-TID) simultaneously;
The service center of step b8, described mobile TV playing control system sends to described portable terminal and carries the life cycle of user key and the message of B-TID, can send by HTTP message;
Step b9, portable terminal write described SIM/USIM card with the life cycle and the B-TID of described user key;
Step b10, described SIM/USIM card generate the end side user key.
Because mobile TV playing control system may be roaming place mobile TV playing control system or ownership place mobile TV playing control system, therefore referring to Fig. 9, step b1 is specially:
The service center of step b11, described mobile TV playing control system receives the user key request message;
Step b12, described service center judge whether local mobile TV playing control system is the ownership place mobile TV playing control system of described portable terminal, are execution in step b2 then, otherwise execution in step b13;
Step b13, described service center return the guide service functional module address of ownership place mobile TV playing control system to described portable terminal;
Step b14, described portable terminal send the user key request message to the guide service functional module of described ownership place mobile TV playing control system.
Generate after the described network side user key, also comprise and preserve described network side user key and use described network side user key that described business cipher key is carried out encrypted process.
As seen, carry out the generation storage of user key, and business cipher key is encrypted, help to improve the fail safe of business cipher key, guarantee the safe operation of Operator Specific Service.
Also comprise the step of described portable terminal being carried out authentication before the described step 4,, be specially referring to Figure 10:
The service center of step 4b, described mobile TV playing control system sends authentication request to the user key administration module of described mobile TV playing control system;
Whether whether step 4c, described user key administration module are inquired about described guide service sign and are existed, promptly inquire about B-TID and exist, and have then execution in step 4d, otherwise return authentication not by information to described service center, and execution in step 4e;
Whether the network side user key that step 4d, described user key administration module are inquired about corresponding described guide service sign mates with described end side user key, be then to return authentication to pass through information to described service center, and execution in step 4, otherwise return authentication not by information, and execution in step 4e to described service center;
Step 4g, described service center send to described user key administration module with described network side user key and upgrade;
Whether the network side user key after step 4h, the inquiry of described user key administration module are upgraded mates with described end side user key, be then to return authentication to pass through information to described service center, and execution in step 4, otherwise return user key invalid information and end to described portable terminal by described service center.
In above-mentioned authentication process, when described portable terminal was in ownership place, described mobile TV playing control system was the ownership place mobile TV playing control system; When described portable terminal was in the roaming place, described mobile TV playing control system was the roaming place mobile TV playing control system.
As seen, by using network side user secret key encryption and authentication, the fail safe that has improved mobile TV.
Described step 2 is specially:
Whether the described business cipher key of described mobile terminal check can correctly decipher the broadcast TV program stream that receives, and is execution in step 6 then, otherwise execution in step 3.
Set up before the order relations in the described step 4, comprise also whether described mobile TV playing control system inquiry selects to order the step of described business, is then to set up order relations and execution in step 5, selects interface and execution in step 1 otherwise return program.
Also comprise before the step 5: whether described mobile TV playing control system inquiry arrives the step of described professional broadcast time, is execution in step 5 then, selects interface and execution in step 1 otherwise return program.
Also comprise that described portable terminal is kept at step in the SIM/USIM card with described business cipher key, is specially after the step 5:
Described portable terminal is transmitted the business cipher key that receives to described SIM/USIM card;
Described SIM/USIM card uses the deciphering of end side user key, obtains the plaintext of described business cipher key;
Described SIM/USIM card is stored described business cipher key cleartext information;
Described SIM/USIM card sends confirmation of receipt information to described portable terminal.
Especially, business cipher key is being kept in the process of SIM/USIM card, can all be reserved with at least two memory blocks by corresponding each channel of described SIM/USIM card, when business cipher key is received in described SIM/USIM clamping, at first check the blank memory block that whether has corresponding described business channels, be then directly to be stored to described blank memory block, otherwise cover business cipher key the earliest.
Like this, can realize keeping many cover business cipher keys, help the user and carry out the program selection; Even also make terminal receive Pending The Entry Into Force new business key still in advance, also needn't delete the existing business key immediately, thereby guarantee that the user can normally watch current program and following program.
Referring to Figure 11, in the TV program broadcasting method based on mobile TV playing control system provided by the present invention, step 6 is the step of playing television program at mobile terminal, is specially:
6a, mobile television broadcast system are gone out the program current cipher key information broadcast with the form of broadcasting, and this information comprises that at least ciphered program flows the business cipher key ID of employed agreement, the program current cipher key of having encrypted, ciphered program stream secrete key; Also comprise in the described program current cipher key information: timestamp sign, program identification, channel identication, the security parameter of corresponding different agreement etc.;
When 6b, described portable terminal receive described program current cipher key information, transmit described program current cipher key information and give described SIM/USIM card;
6c, described SIM/USIM card obtain the business cipher key ID of described ciphered program stream secrete key from described program current cipher key information, according to described business cipher key ID at local search corresponding service key;
6d, described SIM/USIM card use the described program current cipher key of having encrypted of described business cipher key deciphering, obtain program current cipher key, and send to described portable terminal;
6e, described portable terminal use described program current cipher key deciphering program stream, play described TV programme.
In step 6, TV programme comprises video, audio frequency and data message, and this data message can comprise interactive content and other Word messages.
Can also comprise after the described step 6:
When described mobile terminal playing finished, whether the prompting user continued to watch, and was then to return program to select interface and execution in step 1, otherwise finished.
In order to realize the support to interaction content, also comprise after the step 6: when watching described TV programme, terminal receives interaction content and initiates browse request to WAP gateway; WAP gateway is initiated page request to the WAP application server;
The WAP application server returns requests for page to WAP gateway;
WAP gateway sends to described portable terminal with the described request page.
Also can after step 6, also comprise:
When watching described TV programme, when terminal receives interaction content, initiate the data download request to download platform by WAP gateway;
WAP gateway is initiated the download request of described data file to download platform;
Download platform is returned described data file to WAP gateway;
WAP gateway sends to described portable terminal with described data file.
Also can, when watching described TV programme, portable terminal sends interactive note at described TV programme to sms center;
Described sms center sends to the interactive application server by Short Message Service Gateway with described interactive note;
Described interactive application server sends to sms center by Short Message Service Gateway with response message;
Described sms center sends to described portable terminal with response message.
Can also comprise after the described step 6: described mobile TV playing control system generates charging bill, sends to charge system immediately or regularly.
In the TV program broadcasting method based on mobile TV playing control system provided by the present invention, can also comprise the process of quitting the subscription of, be specially business:
Portable terminal sends the request of quitting the subscription of to mobile TV playing control system;
The service center of described mobile TV playing control system is quit the subscription of request to the order relations administration module transmission customer service of ownership place mobile TV playing control system;
The order relations administration module of ownership place mobile TV playing control system checks whether described business is ordered, and is then to return to the service center of described mobile TV playing control system to quit the subscription of response, otherwise returns not ordering information of business;
The service center of described mobile TV playing control system returns to described portable terminal and quits the subscription of response or business ordering information not.
This quits the subscription of any stage that process can betide broadcasting method.
In said process, this method provides portable terminal after opening TV client or downloading service guide, the method for active request business cipher key.But this method also is applicable to the passive renewal business cipher key of portable terminal, and promptly described mobile TV playing control system initiatively regularly upgrades the method for business cipher key, is specially:
Described mobile TV playing control system business cipher key administration module regularly produces new business cipher key, and sends to the service center of described mobile TV playing control system;
Described service center pushes described business cipher key to all portable terminals of having ordered corresponding service.
Embodiment 1 based on the TV program broadcasting method of mobile TV playing control system:
Referring to Figure 12, may further comprise the steps:
Whether step 105, the described business cipher key of mobile terminal check be effective, checks promptly whether described business cipher key can correctly decipher the broadcast TV program stream that receives, and is execution in step 113 then, otherwise execution in step 106;
Whether step 109, the inquiry of described mobile TV playing control system select to order the step of described business, are then to set up order relations and execution in step 110, select interface and execution in step 104 otherwise return program:
Whether the inquiry of step 110, described mobile TV playing control system arrives the step of described professional broadcast time, is execution in step 111 then, selects interface and execution in step 104 otherwise return program;
Referring to Figure 13, may further comprise the steps:
Step 201, mobile terminal to obtain business guide;
Step 202, portable terminal be according to selected TV programme, checks the local business cipher key that whether exists at described TV programme, is execution in step 203 then; Otherwise execution in step 204;
Whether step 203, the described business cipher key of described mobile terminal check be effective, is execution in step 207 then, otherwise execution in step 204;
Step 204, described portable terminal are initiated the service authorization request to mobile TV playing control system;
Step 205, described mobile TV playing control system judge whether described portable terminal has ordered this business, are then to send information and the execution in step of having ordered 206 to described portable terminal; Otherwise set up order relations and execution in step 206;
Step 206, described mobile TV playing control system send business cipher key to described portable terminal;
Step 207, the described TV programme of described mobile terminal playing;
Step 208, when watching described TV programme, terminal receives interaction content and initiates browse request to WAP gateway;
Step 209, WAP gateway are initiated page request to the WAP application server;
Step 210, WAP application server return requests for page to WAP gateway;
Step 211, WAP gateway send to described portable terminal with the described request page;
Step 212, described mobile TV playing control system generate charging bill, send to charge system immediately or regularly.
Wherein, step 208-211 is replaceable to be: when watching described TV programme, terminal receives interaction content and initiates the data download request to download platform;
Download platform sends to described portable terminal with described data file.
Perhaps, when watching described TV programme, portable terminal sends interactive note at described TV programme to sms center;
Described sms center sends to the interactive application server by Short Message Service Gateway with described interactive note;
Described interactive application server sends to sms center by Short Message Service Gateway with response message;
Described sms center sends to described portable terminal with response message.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (38)
1, a kind of mobile TV playing control system is characterized in that comprising:
One service center is used for the service authorization request that basis receives by mobile communications network, and the portable terminal that sends described service authorization request is carried out the authentication of service order relation; Also be used for sending business cipher key according to the service order relation to described portable terminal, described business cipher key is used for the program current cipher key of television network broadcast is carried out encrypt/decrypt;
One business cipher key administration module is connected with described service center and television network broadcast respectively, and be used to generate business cipher key and send to service center and television network broadcast respectively, and storage and the renewal of carrying out described business cipher key;
One order relations administration module is used for storage and maintenance service order relation; Be connected with television network broadcast, receive the business information of television network broadcast, and concern with the synchronous described service order of described television network broadcast; Be connected with described service center, be used to receive that service center sends that described portable terminal is carried out the instruction of service order relational query, return corresponding service order relations information.
2, playing control system according to claim 1 is characterized in that described service center also is connected with a user key administration module, is used for according to described network side user key described portable terminal being carried out authentication; Described user key administration module is used to store the network side user key of described portable terminal, the life cycle of managing described network side user key.
3, playing control system according to claim 1 and 2 is characterized in that described service center also is connected with a guide service functional module, is used to use the network side user key will encrypt described business cipher key; Described guide service functional module is used for being connected with the HLR or the HSS of mobile communications network, produces the network side user key according to the subscription authentication data of obtaining from HLR or HSS, and sends to described service center.
4, a kind of mobile TV playing network based on mobile TV playing control system is characterized in that comprising portable terminal, mobile TV playing control system and mobile television broadcast system;
Described portable terminal is connected with described mobile TV playing control system by mobile communications network, be connected with described mobile television broadcast system by television network broadcast, be used for obtaining key information, and decipher, play the program stream that receives from television network broadcast from mobile communications network; Described key information comprises business cipher key at least, and described business cipher key is used for the program current cipher key of television network broadcast is carried out encrypt/decrypt;
Described mobile TV playing control system by mobile communications network and described portable terminal wireless connections, is used to realize carry out authentication to the service order relation authentication of described portable terminal with to described portable terminal; Be connected with described mobile television broadcast system, receive the business information that described mobile television broadcast system sends, and simultaneous user's order relations; Also be used to generate business cipher key and send to described portable terminal and described mobile television broadcast system respectively;
Mobile television broadcast system, by television network broadcast and described portable terminal wireless connections, be used to provide the broadcast TV program of encryption and the program current cipher key of encryption, use business cipher key that program current cipher key is encrypted, and offer described portable terminal after using program current cipher key that described broadcast TV program source is encrypted; Be connected with described mobile TV playing control system, be used for obtaining business cipher key, send business information from described mobile TV playing control system, and simultaneous user's order relations.
5, playing network according to claim 4, it is characterized in that described mobile TV playing control system also is connected with the HLR/HSS that authorization data information is provided, be used for generating the network side user key, utilize the described business cipher key of this network side user secret key encryption according to described authorization data information.
6, playing network according to claim 4 is characterized in that the described HLR/HSS of authorization data information that provides also is connected with described portable terminal by mobile communications network, is used to send all or part of described authorization data information to described portable terminal; Described portable terminal generates and stores the end side user key according to the authorization data information and the authorization data own that receive, and deciphers described business cipher key according to described end side user key.
7, playing network according to claim 4, it is characterized in that also comprising service guideline server, be connected with described mobile television broadcast system, accept the synchronous business guide information of described mobile television broadcast system, and, described business guide is sent to described portable terminal by mobile communications network according to mobile terminal request.
8, playing network according to claim 4 is characterized in that described mobile television broadcast system comprises:
One content source is used for providing by television network broadcast the broadcast content of radio and television;
One content managing module is connected with described content source, is used to provide business information and business guide information based on described content source; Be connected with described mobile TV playing control system, be used for sending business information to described mobile TV playing control system;
One user inquiring module is connected with described mobile TV playing control system, is used for synchronously and preserves user's order relations;
One program current cipher key administration module is connected with described mobile TV playing control system, is used to receive described business cipher key, and uses described business cipher key ciphered program stream secrete key; Be connected with described content source, be used to use the encrypting program stream keys program stream, and send to described portable terminal.
9, playing network according to claim 4 is characterized in that also comprising charge system, is connected with described mobile TV playing control system, is used to receive the charging bill that described mobile TV playing control system produces, and carries out Account Disposal and clearing.
10, playing network according to claim 4, it is characterized in that also comprising the WAP application server, described WAP application server is connected by mobile communications network with described portable terminal by WAP gateway, be used for the page request that mobile terminal receive sends, and return respective page and give described portable terminal.
11, playing network according to claim 4, it is characterized in that also comprising the content download platform, described content download platform is connected by mobile communications network with described portable terminal, be used for the download request that mobile terminal receive sends, and return the data file of being asked and give described portable terminal.
12, playing network according to claim 4, it is characterized in that also comprising the note application server, described note application server is connected by mobile communications network with described portable terminal with Short Message Service Center by internet short message gateway successively, be used to receive the mutual note that described portable terminal sends, and return response message and give described portable terminal.
13,, it is characterized in that described mobile TV playing control system is the ownership place mobile TV playing control system, then also comprises at least one roaming place mobile TV playing control system according to the arbitrary described playing network of claim 4-12; Described roaming place mobile TV playing control system is connected with described ownership place mobile TV playing control system.
14, playing network according to claim 13, it is characterized in that described roaming place mobile TV playing control system is connected with described ownership place mobile TV playing control system is specially: the service center of described roaming place mobile TV playing control system is connected with the guide service functional module of described ownership place mobile TV playing control system, is used to obtain the network side user key of portable terminal; The service center of described roaming place mobile TV playing control system is connected with the order relations administration module of described ownership place mobile TV playing control system, is used to obtain the ordering information of portable terminal.
15, a kind of TV program broadcasting method based on mobile TV playing control system is characterized in that may further comprise the steps:
Step 1, portable terminal be according to selected TV programme, checks the local business cipher key that whether exists at described TV programme, is execution in step 2 then; Otherwise execution in step 3;
Whether step 2, the described business cipher key of described mobile terminal check be effective, is execution in step 6 then, otherwise execution in step 3;
Step 3, described portable terminal are initiated the service authorization request to mobile TV playing control system;
Step 4, described mobile TV playing control system judge whether described portable terminal has ordered this business, are then to send information and the execution in step of having ordered 5 to described portable terminal; Otherwise set up order relations and execution in step 5;
Step 5, described mobile TV playing control system send business cipher key to described portable terminal;
Step 6, the described TV programme of described mobile terminal playing finish.
16, broadcasting method according to claim 15, it is characterized in that also comprising before the described step 1: described portable terminal obtains business guide by mobile communications network or television network broadcast.
17, broadcasting method according to claim 16 is characterized in that described portable terminal is specially by the step that mobile communications network obtains business guide:
Step a1, described portable terminal send the business guide browse request with the unified URL link of the whole network to WAP gateway;
Step a2, described WAP gateway send to described business guide browse request and described mobile terminal IP address the service center of described mobile TV playing control system;
Step a3, described service center judge the user region according to IP address, and the IP address of the service guideline server of user region is sent to WAP gateway;
Step a4, described WAP gateway are initiated the business guide browse request according to described address to described service guideline server;
Step a5, described service guideline server send business guide to described WAP gateway;
Step a6, described WAP gateway send to described portable terminal with described business guide.
18, broadcasting method according to claim 16, it is characterized in that described portable terminal is specially by the step that television network broadcast obtains business guide: described portable terminal extracts business guide from the data flow that television network broadcast sends.
19, broadcasting method according to claim 16, comprise also whether inspection this locality exists the end side user key after it is characterized in that obtaining business guide, it is execution in step 1 then, otherwise described portable terminal generates user key to the mobile TV playing control system request, described mobile TV playing control system carries out authenticating user identification, authentication is by then producing network side user key and end side user key respectively, otherwise to described portable terminal return authentication failed message and finish.
20, broadcasting method according to claim 16 is characterized in that also comprising before the described step 1:
When the TV client in the portable terminal is opened, check whether this locality exists the end side user key, it is execution in step 1 then, otherwise described portable terminal generates user key to the mobile TV playing control system request, described mobile TV playing control system carries out authenticating user identification, authentication is by then producing network side user key and end side user key respectively, otherwise to described portable terminal return authentication failed message and finish.
21,, it is characterized in that after there is not the end side user key in described mobile terminal check this locality, not carrying out according to claim 19 or 20 described broadcasting methods:
Step b1, described portable terminal send the user key request message to the guide service functional module of described mobile TV playing control system;
Step b2, described guide service functional module are obtained the authorization data of described portable terminal from HLR or HSS;
Step b3, described guide service functional module send to described portable terminal with the random number information in the described authorization data;
Step b4, described portable terminal be according to described random number information, the authorization data of computing acquisition own;
Step b5, described guide service functional module judge whether described authorization data own and the authorization data that obtains from HLR or HSS mate, and are execution in step b6 then, otherwise to described portable terminal return authentication failed message and finish;
Step b6, described guide service functional module generate the network side user key;
The service center of step b7, described mobile TV playing control system carries the life cycle of user key and the message of guide service sign to described portable terminal transmission;
Step b8, portable terminal are according to the life cycle and the guide service marking terminal side user key of described user key.
22, broadcasting method according to claim 21 is characterized in that described step b1 is specially:
The service center of step b11, described mobile TV playing control system receives the user key request message;
Step b12, described service center judge whether local mobile TV playing control system is the ownership place mobile TV playing control system of described portable terminal, are execution in step b2 then, otherwise execution in step b13;
Step b13, described service center return the guide service functional module address of ownership place mobile TV playing control system to described portable terminal;
Step b14, described portable terminal send the user key request message to the guide service functional module of described ownership place mobile TV playing control system.
23, according to the arbitrary described broadcasting method of claim 19-22, it is characterized in that generating after the described network side user key, also comprise and preserve described network side user key and use described network side user key that described business cipher key is carried out encrypted process.
24,, it is characterized in that also comprising the step of described portable terminal being carried out authentication before the described step 4 according to claim 19 or 20 described broadcasting methods; Be specially:
Step 4a, described mobile TV playing control system receive described service authorization request, comprise end side user key, guide service sign and IP multimedia private identity in this service authorization request at least;
The service center of step 4b, described mobile TV playing control system sends authentication request to the user key administration module of described mobile TV playing control system;
Whether step 4c, described user key administration module are inquired about described guide service sign and are existed, and have then execution in step 4d, otherwise return authentication not by information to described service center, and execution in step 4e;
Whether the network side user key that step 4d, described user key administration module are inquired about corresponding described guide service sign mates with described end side user key, be then to return authentication to pass through information to described service center, and execution in step 4, otherwise return authentication not by information, and execution in step 4e to described service center;
Step 4e, described service center are determined the guide service functional module of described portable terminal ownership place according to IP multimedia private identity, and send the network side user key request to described guide service functional module;
Step 4f, described guide service functional module generate the network side user key, and described network side user key is sent to described service center;
Step 4g, described service center send to described user key administration module with described network side user key and upgrade;
Whether the network side user key after step 4h, the inquiry of described user key administration module are upgraded mates with described end side user key, be then to return authentication to pass through information to described service center, and execution in step 5, otherwise return user key invalid information and end to described portable terminal by described service center.
25, broadcasting method according to claim 24 is characterized in that when described portable terminal is in ownership place described mobile TV playing control system is the ownership place mobile TV playing control system; When described portable terminal was in the roaming place, described mobile TV playing control system was the roaming place mobile TV playing control system.
26, broadcasting method according to claim 15 is characterized in that described step 2 is specially:
Whether the described business cipher key of described mobile terminal check can correctly decipher the broadcast TV program stream that receives, and is execution in step 6 then, otherwise execution in step 3.
27, broadcasting method according to claim 15, before it is characterized in that in described step 4, setting up order relations, comprise also whether described mobile TV playing control system inquiry selects to order the step of described business, be then to set up order relations and execution in step 5, select interface and execution in step 1 otherwise return program.
28, broadcasting method according to claim 15, it is characterized in that also comprising before the described step 5: whether described mobile TV playing control system inquiry arrives the step of described professional broadcast time, be execution in step 5 then, select interface and execution in step 1 otherwise return program.
29, broadcasting method according to claim 15 is characterized in that also comprising after the described step 5 that described portable terminal preserves the step of described business cipher key.
30, broadcasting method according to claim 29, it is characterized in that corresponding each channel of described portable terminal all is reserved with at least two memory blocks, when described portable terminal receives business cipher key, at first check the blank memory block that whether has corresponding described business channels, be then directly to be stored to described blank memory block, otherwise cover business cipher key the earliest.
31, broadcasting method according to claim 15, it is characterized in that described step 6 is specially: the step of the described TV programme of described mobile terminal playing is:
6a, mobile television broadcast system are gone out the program current cipher key information broadcast with the form of broadcasting, and this information comprises that at least ciphered program flows the business cipher key ID of employed agreement, the program current cipher key of having encrypted, ciphered program stream secrete key;
When 6b, described portable terminal receive described program current cipher key information, from described program current cipher key information, obtain the business cipher key ID of described ciphered program stream secrete key, according to described business cipher key ID at local search corresponding service key;
6c, described portable terminal use the described program current cipher key of having encrypted of described business cipher key deciphering, obtain program current cipher key;
6d, described portable terminal use described program current cipher key deciphering program stream, play described TV programme.
32, broadcasting method according to claim 15 is characterized in that TV programme comprises video, audio frequency and data message in the described step 6.
33, broadcasting method according to claim 15 is characterized in that also comprising after the described step 6:
When watching described TV programme, terminal receives interaction content and initiates browse request to WAP gateway; WAP gateway is initiated page request to the WAP application server;
The WAP application server returns requests for page to WAP gateway;
WAP gateway sends to described portable terminal with the described request page.
34, broadcasting method according to claim 15 is characterized in that also comprising after the described step 6:
When watching described TV programme, terminal receives interaction content and initiates the data download request to download platform;
Download platform sends to described portable terminal with described data file.
35, broadcasting method according to claim 15 is characterized in that also comprising after the described step 6:
When watching described TV programme, portable terminal sends interactive note at described TV programme to sms center;
Described sms center sends to the interactive application server by Short Message Service Gateway with described interactive note;
Described interactive application server sends to sms center by Short Message Service Gateway with response message;
Described sms center sends to described portable terminal with response message.
36, broadcasting method according to claim 15, it is characterized in that also comprising after the described step 6: described mobile TV playing control system generates charging bill, sends to charge system immediately or regularly.
37, broadcasting method according to claim 15 is characterized in that also comprising the process of quitting the subscription of to business, is specially:
Portable terminal sends the request of quitting the subscription of to mobile TV playing control system;
The service center of described mobile TV playing control system is quit the subscription of request to the order relations administration module transmission customer service of ownership place mobile TV playing control system;
The order relations administration module of ownership place mobile TV playing control system checks whether described business is ordered, and is then to return to the service center of described mobile TV playing control system to quit the subscription of response, otherwise returns not ordering information of business;
The service center of described mobile TV playing control system returns to described portable terminal and quits the subscription of response or business ordering information not.
38, broadcasting method according to claim 15 is characterized in that also comprising that described mobile TV playing control system initiatively upgrades the step of business cipher key, is specially:
Described mobile TV playing control system business cipher key administration module regularly produces new business cipher key, and sends to the service center of described mobile TV playing control system;
Described service center pushes described business cipher key to all portable terminals of having ordered corresponding service.
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| CNB2006100789041A CN100548044C (en) | 2006-04-27 | 2006-04-27 | Mobile TV playing control system and playing network and broadcasting method |
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| CNB2006100789041A CN100548044C (en) | 2006-04-27 | 2006-04-27 | Mobile TV playing control system and playing network and broadcasting method |
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| WO2007144852A2 (en) * | 2006-06-15 | 2007-12-21 | Utstarcom Telecom Co., Ltd | System and method for implementing program delivery service |
| WO2008086714A1 (en) * | 2006-12-30 | 2008-07-24 | Zte Corporation | A method and system for realizing safety of cipher key in multi-network fusion mobile multi-media broadcasting system |
| WO2009039784A1 (en) * | 2007-09-20 | 2009-04-02 | Zte Corporation | Method and system for encrypting program stream key in broadcast-mode mobile tv service |
| WO2009092318A1 (en) * | 2008-01-17 | 2009-07-30 | China Iwncomm Co., Ltd. | A secure transmission method for broadband wireless multimedia network broadcasting communication |
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