CN101827247A - Method and system for accounting mobile TV - Google Patents

Method and system for accounting mobile TV Download PDF

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Publication number
CN101827247A
CN101827247A CN201010179770A CN201010179770A CN101827247A CN 101827247 A CN101827247 A CN 101827247A CN 201010179770 A CN201010179770 A CN 201010179770A CN 201010179770 A CN201010179770 A CN 201010179770A CN 101827247 A CN101827247 A CN 101827247A
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China
Prior art keywords
mobile
client
cipher key
business cipher
authentication
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Granted
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CN201010179770A
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Chinese (zh)
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CN101827247B (en
Inventor
迟欣
尚浩强
刘小锐
邓兰兰
周洋
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Zhang Peng
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ZTE Corp
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Priority to CN 201010179770 priority Critical patent/CN101827247B/en
Priority to PCT/CN2010/076352 priority patent/WO2011143860A1/en
Publication of CN101827247A publication Critical patent/CN101827247A/en
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Publication of CN101827247B publication Critical patent/CN101827247B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/414Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633Control signals issued by server directed to the network components or client
    • H04N21/6332Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a method for accounting a mobile TV, which comprises the steps that: a mobile TV client sends an ordering request into an authentication, authentication, accounting (AAA) server; the AAA server authenticates and accounts the mobile TV client; if the authentication and accounting fail, an error message is returned; otherwise, the ordering information is synchronously stored in a secret key management system and saved; the mobile TV client launches the business secret key request against the secret key management system; the secret key management system carries out the authentication, if the authentication fails, the false information is returned, and otherwise the business secret key is returned; after the mobile TV client obtains the business secret key, the mobile TV client decrypts and watches program streams and simultaneously asks for replacing the business secret key at fixed period until ending. The invention also discloses a system for accounting the mobile TV; the method and the system can realize the ordering of the business by using the mobile communication network, increase the flexibility of the accounting and reduce the wireless network pressure.

Description

A kind of method and system of accounting mobile TV
Technical field
The present invention relates to the field of mobile phone of fused data radio network and mobile communications network, be meant a kind of method and system of accounting mobile TV especially.
Background technology
Along with the opening in develop rapidly, radio and television and the mobile communication market of mobile message technology and current market growing with each passing day to the demand of multiple business, make between originally relatively independent datacast network and mobile communications network to interpenetrate, mobile phone TV services have obtained development at full speed just under this background.
China Mobile multimedia broadcasting (the China MobileMultimedia Broadcasting that China national General Bureau of Radio, Film and TV releases, CMMB) business, just said mobile phone TV services, use the mode of wireless data broadcasting to send digital TV data, support user's monthly payment order business by multistage secret key encryption method, and charge and settle accounts, but set meal and the type of service that can support are relatively single.Because what CMMB used is the one-way communication network, can only handle by the business hall for the business such as change of set meal, has brought great inconvenience to the user.
Mobile phone TV services based on broadcasting and mobile communication are to utilize unidirectional radio network that the downlink transfer of content of multimedia is provided, utilize the authentication management system of mobile communications network and bilateral network transmittability to finish authentication, mandate and management to the user, except video, audio frequency can be provided, can also provide and comprise interactive information, allow the user to utilize the interactive function of mobile network and terminal, connect, send modes such as note by clicking, realize interactive operation.
Radio network and mobile communications network in conjunction with after just produced multiple different expense, be respectively expense, wireless data traffic expense, information charge and the interactive correlative charges that produces etc. of viewing channel.For the expense of viewing channel, generally take the mode of monthly payment, operator settles accounts according to sharing proportion.The wireless data traffic expense generally can be included in mobile phone TV services set meal or the interaction, does not charge separately.Information charge is meant the expense that the user has used some resources on the network to produce by mobile TV, as CRBT, order video etc. are set, and this expense is still collected by mobile communication side, and content supplier is divided into.Owing to mainly carry out, can support the professional and pay-per-use of monthly payment etc. for the charge of interaction at mobile communications network.In the mobile TV system, mobile TV watch and business such as interaction all is the major source of revenues of current phone TV, there is the not high shortcoming of flexibility in present existing charging method.
At present in the mobile TV system under UNE, encryption way commonly used is to adopt three layers of cipher key system to reach the effect of service security, comprise: ground floor: initial key, can adopt to set in advance or start the back at every turn to generate from the mode that server obtains; The second layer: business cipher key, the user needs the business cipher key information of being encrypted by initial key that just can obtain behind the authentication; The 3rd layer: program current cipher key makes safety of multimedia broadcast service obtain guaranteeing preferably after the program current cipher key that system side adopts the broadcast mode timed sending to upgrade, program current cipher key are encrypted by business cipher key.It in this encryption system the information security that guarantees program stream, the renewal that the program current cipher key meeting is frequent, the cycle of upgrading is generally in second or minute level unit, each back mobile TV client of upgrading can also be used with the program current cipher key that the business cipher key deciphering makes new advances, business cipher key also has certain update cycle, general about one day, when business cipher key upgrades, the business cipher key that can trigger a large number of users simultaneously is new technological process more, can cause the unexpected increase of network traffic data, cause network congestion, it also is to need the problem that solves in the mobile TV system that business cipher key concentrate to upgrade the wireless network pressure that causes.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and system of accounting mobile TV, can utilize mobile communications network to realize professional order, improves the flexibility of chargeing, and reduces wireless network pressure.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of method of accounting mobile TV, described method comprises:
The mobile TV client sends subscription request to authentication, authentication, charging (AAA) server;
Aaa server carries out authentication and charging according to the ordering information in the subscription request to described mobile TV client, if authentication and chargeing successfully then arrives key management system with the ordering information stores synchronized, and preserves in key management system; Otherwise, return error message, the end process flow process;
The mobile TV client is initiated the business cipher key request by mobile communications network to key management system, and key management system carries out authentication, if business cipher key is returned in the authentication success, otherwise, return error message, the end process flow process;
After the mobile TV client was obtained business cipher key, the deciphering program stream was also watched, and regular request is changed business cipher key or order and changed business cipher key until end simultaneously.
Wherein, described watching in the process, this method also comprises: described aaa server is participated in interactive mobile TV client for each and is chargeed in conjunction with the interaction content of interactive service device generation and the feedback of mobile TV client.
Wherein, described mobile TV client regular request is changed business cipher key and comprised: when chargeing according to monthly payment, the mobile TV client shifted to an earlier date before business cipher key is expired, the business cipher key that please look for novelty; Wherein, the time point of the business cipher key that the mobile TV client-requested is new is the time point in a period of time before the expired time point that is evenly distributed on by the client picked at random;
Described regular request is ordered and changed business cipher key and comprises: during according to duration based accounting, the mobile TV client was initiated to order and the business cipher key request before business cipher key is expired again.
Wherein, described aaa server carries out authentication to described mobile TV client and charging comprises: determine that according to described mobile TV client the channel watched or the account balance or the credit situation of programme information and Freight Basis and described mobile TV client carry out authentication and charging.
Wherein, described key management system carries out authentication and comprises: the ordering information according to business cipher key request and preservation carries out authentication, if the user has ordered program or the channel that carries in the business cipher key request, then authentication is passed through, if do not order described program or channel, then authentication is not passed through.
Wherein, described ordering information comprises:
The user profile of described mobile TV client, user determine channel or programme information and the Freight Basis watched; Described Freight Basis is to carry out that monthly payment is chargeed or according to duration based accounting at the channel of determining to watch or programme information.
The present invention also provides a kind of system of accounting mobile TV, and described system is divided into Radio Data System side and mobile communication system side, and the mobile communication system side specifically comprises: aaa server and CSCF; The Radio Data System side comprises: mobile TV control centre and key management system; Wherein,
Described aaa server is used for according to the ordering information of subscription request described mobile TV client being carried out authentication and charging, and the ordering information stores synchronized is arrived key management system;
Described CSCF, be used for aaa server, mobile TV control centre and the mobile TV client that connects by mobile communications network between data interaction, and transmit business cipher key request that the mobile TV client sends or subscription request until end;
Described mobile TV control centre is used for initial key request or business cipher key request are transmitted to key management system, and the data-message that key management system is returned is transmitted to CSCF;
Described key management system, be used for returning initial key according to the initial key request that the mobile TV client sends, preserve the ordering information that aaa server comes synchronously, and carry out authentication at the business cipher key request that the mobile TV client is initiated by mobile communications network.
Wherein, described mobile communication system side also comprises: the interactive service device is used for finishing charging alternately with aaa server;
Described aaa server also is used for participating in interactive mobile TV client for each and chargeing in conjunction with the interaction content of interactive service device generation and the feedback of mobile TV client.
The method and system of accounting mobile TV provided by the present invention, authentication, authentication, charging (Authentication, Authorization, Accounting by the mobile communication system side, AAA) server carries out authentication and charging at rate, initiate professional order and the request of business cipher key by mobile communications network to the key management system of datacast network side by mobile phone TV terminal simultaneously, utilize the replacement cycle of business cipher key to realize the business of watching being chargeed, make charging more flexible according to duration; Simultaneously, can also disperse the professional key updating time, reduce wireless network pressure.
Description of drawings
Fig. 1 order for mobile phone TV terminal of the present invention and watch in the method flow schematic diagram that charges;
Fig. 2 realizes the method flow schematic diagram that mobile phone television interaction charges for the present invention;
Fig. 3 is the system configuration schematic diagram of accounting mobile TV of the present invention.
Embodiment
For a better understanding of the present invention, introduce the system of accounting mobile TV of the present invention earlier, described system is divided into Radio Data System side and mobile communication system side, datacast data is in charge of, is sent to the Radio Data System side, related services such as the authentication of realization key, management carry out scrambling to program stream, and interactive data is encapsulated, and, at last the data after multiplexing are sent to mobile phone TV terminal by datacast network to data multiplexing.The mobile communication system side is responsible for realizing authentication, the charging to the user, supports the request of initial key, business cipher key and issues, and support business such as interaction.The mobile TV control centre of Radio Data System side and the CSCF of mobile communication system side are responsible for key management system and the aaa server of interactive package system and mobile communication system side and the data interaction between the interactive service device of Radio Data System side as the interface communication interface server of two systems.Simultaneously, mobile phone TV terminal links to each other with CSCF by the WAP gateway of mobile communications network through the mobile communication system side, CSCF can transmit the information of mobile phone TV terminal transmission to corresponding treatment system, also can transmit the information that mobile phone TV terminal need receive.
The technical solution of the present invention is further elaborated below in conjunction with the drawings and specific embodiments.
Fig. 1 order for mobile phone TV terminal of the present invention and watch in the method flow schematic diagram that charges, as shown in Figure 1, described mobile phone TV terminal order and watch in the method for chargeing, specifically may further comprise the steps:
Step 101, the user starts the mobile TV client, sends the initial key request by mobile communications network to key management system, and obtains initial key;
Here, describedly send the initial key request specifically: send the user key request to key management system through WAP gateway, CSCF and mobile TV control centre by mobile communications network; If preserve in the mobile TV client and before asked the initial key that obtains, then directly use.Described initial key is used to decipher business cipher key.
Step 102, mobile TV client send subscription request to aaa server;
Concrete, (Call Session Control Function CSCF) sends to aaa server for subscription request process WAP gateway that described mobile TV client sends and CSCF.Comprise in the described subscription request: the Freight Basis of the definite channel that need watch or programme information and hope in the mobile phone TV services tabulation that the system that the user profile of described mobile TV client, user browse on the mobile TV client issues; Described Freight Basis is that the channel watched at needs or programme information carry out that monthly payment is chargeed or according to duration based accounting.
Step 103, aaa server are carried out authentication and charging in conjunction with the ordering information in the subscription request to described mobile TV client, if failed authentication returns error message and end, otherwise execution in step 104;
Concrete, authentication and charging that described aaa server carries out are specially: the channel that need watch in conjunction with described mobile TV client or the Freight Basis of programme information and hope and the account balance or the credit situation of described mobile TV client are carried out authentication.Wherein, at stored value card user, if Freight Basis is when chargeing according to monthly payment, when the account balance of mobile TV client is paid the monthly payment service that the user orders inadequately, failed authentication, when enough paying, then authentication success and chargeing; If Freight Basis is during according to duration based accounting, the duration of order is a replacement cycle of business cipher key, just presses the minimum time unit that duration is ordered; If the remaining sum of described mobile TV client is enough paid the expense of a minimum time unit, authentication and chargeing successfully then.Described credit situation is the authentication at the postpaid service user, and wherein, the credit situation comprises described postpaid service user's bill payment historical record, if the frequent arrearage of user, credit is out of condition, failed authentication then, otherwise authentication success.In addition, withhold the client who pays the fees at credit card, can carry out authentication according to the facility extent of credit card, when facility extent was enough to pay channel that the user orders or program, authentication was underwritten, otherwise failed authentication.
Step 104, to key management system, will order successful result and return to the mobile TV client after described ordering information is preserved by key management system with the ordering information stores synchronized for aaa server;
Here, described key management system is preserved described ordering information and is specially: the user profile of channel that the needs that carry in the ordering information with described mobile TV client are watched or programme information and described mobile TV client is stored as order relations.Described order successfully after, if order for the first time, to order successful result returns to the mobile TV client and also further comprise: will order the result and be presented in the mobile phone TV services tabulation that browing system issues on the user mobile phone TV client, corresponding program or channel are shown as and order or ordered by duration by monthly payment.
Step 105, the mobile TV client is initiated the business cipher key request by mobile communications network to key management system, and key management system carries out authentication, and authentication is not passed through, and returns error message and end, otherwise returns business cipher key;
Concrete, when the user selected the successful content of described order to initiate to watch, the mobile TV client was initiated the business cipher key request at current slot.Described business cipher key request is sent through WAP gateway, CSCF, mobile TV control centre by the mobile TV client and sends to key management system.Described mobile TV control centre also can be recorded in business cipher key request and the issuing service key that mobile TV control centre transmits in the daily record, so that data broadcasting service merchant collects the user and orders custom and focus, and carry out reconciliation and accounting with mobile communication carrier.
It is to carry out authentication according to the business cipher key request in conjunction with order relations that described key management system carries out authentication, if the user has ordered program or the channel that carries in the business cipher key request, then authentication is passed through, if do not order described program or channel, then authentication is not passed through.After encrypting through initial key, described business cipher key returns to the mobile TV client to guarantee safety.
Further, the user watches that there was certain effective time in business cipher key when monthly payment was professional, and the replacing time that key management system can business cipher key is set to regular time.For example: be set to 30 minutes, perhaps be provided with flexibly with the difference of program.The mobile TV client is checked business cipher key in the process of playing mobile TV the term of validity, when business cipher key will be expired, client is initiatively to the key management system request business cipher key of next time period, if key management system, then returns the business cipher key that the next one is about to come into force and the term of validity of key to subscription authentication success.
The user asks to be evenly distributed in a period of time according to certain algorithm by the mobile TV client pre-set time of key, for example: generate one and upgrade the time period in advance, utilize at random evenly Distribution Algorithm in the described time period, to choose a cipher code renewal time then, excessive to prevent the system load that the same time request of too much user new key causes.Therefore, the time point of the business cipher key that the mobile TV client-requested is new is the time point in a period of time before the expired time point that is evenly distributed on by the client picked at random.
Further, under the situation of user according to duration viewing channel or program, when business cipher key will be expired, the mobile TV client repeated above-mentioned order and business cipher key obtains flow process, thereby continued mobile phone television viewing.This process lasts till that the user withdraws from till this channel.The expense of mobile phone television viewing is directly relevant with order, thereby has realized the requirement according to duration based accounting.
Aaa server is realized authentication and the charging to the user, the expense of being counted is the mobile phone television viewing expense of a business cipher key replacement cycle, if the not enough one-period of the requested service key first time, can adopt certain algorithm to adjust expense accordingly, for example:, obtain the actual duration of mobile TV of watching of user and be used for chargeing in conjunction with the time of business cipher key generation and the replacement cycle of business cipher key.The user profile of time of initiating by subscription request and the mobile TV client of wherein carrying and channel or the programme information that the user need watch, make and deduct fees each time and can charge flexibly at concrete period, user and program, for example: can produce different expenses at different users, also can give the certain discount of user etc. according to different time periods, different programs.
Step 106, after the mobile TV client is obtained business cipher key, in the broadcast data that receives, extract encrypted program current cipher key, the use business cipher key is decrypted, use the program current cipher key deciphering program stream of deciphering then, regular request is changed business cipher key or order and is changed business cipher key until end simultaneously.
Concrete, the scrambling system that program current cipher key in the described broadcast data is a key management system by the Radio Data System side adds in the multi-medium data, and multiplex system by the Radio Data System side sends to the mobile TV client through datacast network.For according to duration viewing channel or program until end, the mobile TV client is no longer carried out the order behavior, charges also to stop thereupon.Therefore, if program or channel are supported monthly payment and during according to duration based accounting, the business cipher key replacement cycle with respect to program that only provides monthly payment to watch or channel that the replacement cycle of business cipher key can be set is shorter, exceed the quata to charge avoiding.Both supported monthly payment at one, and also supported the program or the channel of duration based accounting, the business cipher key replacement cycle of its setting is identical.
Fig. 2 realizes the method flow schematic diagram that mobile phone television interaction charges for the present invention, and as shown in Figure 2, the method that described realization mobile phone television interaction charges specifically comprises step:
Step 201, the interactive service device is initiated interactive according to pre-configured strategy, generate and send interactive information to interactive package system;
Concrete, described interactive information sends to interactive package system through CSCF and mobile TV control centre: described mobile TV control centre generates the interactive daily record of initiating when transmitting, comprise the interactive colony that sends, employing mode etc., so that data broadcasting service merchant and mobile communication carrier carry out reconciliation and accounting.
Step 202, described interactive package system encapsulates interactive information, and joins in the broadcast data program stream by multiplex system;
Concrete, described multiplex system is positioned at the Radio Data System side, is used for adding the interactive information of interactive package system encapsulation to the broadcast data program stream, and sends to the mobile TV client by datacast network.
Step 203, the mobile TV client receives the interactive information after the encapsulation, resolves and demonstration;
Step 204, user's operating handset TV client is carried out interaction by mobile communications network and interactive service device;
Concrete, describedly specifically comprise: the interaction content that sends the user through CSCF to the interactive service device by mobile communications network.
Step 205, aaa server and described interactive service device are finished charging alternately.
Concrete, described aaa server carries out chargeing at the interactive mobile TV client of each participation in conjunction with the content of interactive service and the feedback of mobile TV client.
Fig. 3 is the system configuration schematic diagram of accounting mobile TV of the present invention, and as shown in Figure 3, the system of described accounting mobile TV is divided into Radio Data System side and mobile communication system side, and the mobile communication system side specifically comprises: aaa server 31 and CSCF32; The Radio Data System side comprises: mobile TV control centre 33 and key management system 34, wherein
Described aaa server 31 is used in conjunction with the ordering information of subscription request described mobile TV client being carried out authentication and charging, and the ordering information stores synchronized is arrived key management system;
Concrete, authentication and charging that described aaa server 31 carries out are specially: the channel that need watch in conjunction with described mobile TV client or the Freight Basis of programme information and hope and the account balance or the credit situation of described mobile TV client are carried out authentication.Wherein, at stored value card user, if Freight Basis is when chargeing according to monthly payment, when the account balance of mobile TV client is paid the monthly payment service that the user orders inadequately, failed authentication, when enough paying, then authentication success and chargeing; If Freight Basis is during according to duration based accounting, the duration of order is a replacement cycle of business cipher key, just presses the minimum time unit that duration is ordered; If the remaining sum of described mobile TV client is enough paid the expense of a minimum time unit, authentication and chargeing successfully then.Described credit situation is the authentication at the postpaid service user, and wherein, the credit situation comprises described postpaid service user's bill payment historical record, if the frequent arrearage of user, credit is out of condition, failed authentication then, otherwise authentication success.In addition, withhold the client who pays the fees at credit card, can carry out authentication according to the facility extent of credit card, when facility extent was enough to pay channel that the user orders or program, authentication was underwritten, otherwise failed authentication.
Described CSCF32, be used for aaa server 31, mobile TV control centre 33 and the mobile TV client that connects by mobile communications network between data interaction, and transmit business cipher key request that the mobile TV client sends or subscription request until end;
Concrete, the message that the mobile TV client sends connects CSCF32 by mobile communications network through WAP gateway.
Described mobile TV control centre 33 is used for initial key request or business cipher key request are transmitted to key management system 34, and the data-message that key management system 34 is returned is transmitted to CSCF32, and can carry out log record to all data-messages;
Concrete, 33 pairs of all data-messages of described mobile TV control centre carry out log record, order custom and focus so that the data broadcasting service merchant collects the user, and carry out reconciliation and accounting with mobile communication carrier.
Described key management system 34, be used for returning initial key according to the initial key request that the mobile TV client sends, preserve the ordering information that aaa server 31 comes synchronously, and initiate the business cipher key request at the mobile TV client by mobile communications network and carry out authentication.
Concrete, when the user selected the successful content of described order to initiate to watch, described key management system 34 received the business cipher key request of mobile TV client initiation at current slot; Described business cipher key request is sent through WAP gateway, CSCF32, mobile TV control centre 33 by the mobile TV client and sends to key management system 34.
34 pairs of described ordering informations of described key management system are preserved and are specially: the user profile of channel that the needs that carry in the ordering information with described mobile TV client are watched or programme information and described mobile TV client saves as order relations.Described order successfully after, if order for the first time, to order successful result returns to the mobile TV client and also further comprise: will order the result and be presented in the mobile phone TV services tabulation that the system browsed on the user mobile phone TV client issues, corresponding program or channel are shown as and order or ordered by duration by monthly payment.
It is to carry out authentication according to the business cipher key request in conjunction with order relations that described key management system 34 carries out authentication, if the user has ordered program or the channel that carries in the business cipher key request, then authentication is passed through, if do not order described program or channel, then authentication is not passed through.After encrypting through initial key, described business cipher key returns to the mobile TV client to guarantee safety.
Further, the user watches that there was certain effective time in business cipher key when monthly payment was professional, and the replacing time that key management system can business cipher key is set to regular time.For example: be set to 30 minutes, perhaps be provided with flexibly with the difference of program.The mobile TV client is checked business cipher key in the process of playing mobile TV the term of validity, when business cipher key will be expired, client is initiatively to the key management system request business cipher key of next time period, if key management system, then returns the business cipher key that the next one is about to come into force and the term of validity of key to subscription authentication success.The user asks to be evenly distributed in a period of time according to certain algorithm by the mobile TV client pre-set time of key, for example: generate one and upgrade the time period in advance, utilize at random evenly Distribution Algorithm in the described time period, to choose a cipher code renewal time then, excessive to prevent the system load that the same time request of too much user causes.Therefore, the time point of the business cipher key that the mobile TV client-requested is new is the time point in a period of time before the expired time point that is evenly distributed on by the client picked at random.
Further, under the situation of user according to duration viewing channel or program, when business cipher key will be expired, the mobile TV client repeated above-mentioned order and business cipher key obtains flow process, thereby continued mobile phone television viewing.This process lasts till that the user withdraws from till this channel.The expense of mobile phone television viewing is directly relevant with order, has realized the requirement according to duration based accounting.Aaa server is realized authentication and the charging to the user, the expense of being remembered is the mobile phone television viewing expense of a business cipher key replacement cycle, if the not enough one-period of the requested service key first time, can adopt certain algorithm to adjust expense accordingly, for example: the time that generates in conjunction with business cipher key and the replacement cycle of business cipher key obtain the actual duration of mobile TV of watching of user and are used for chargeing.The user profile of time of initiating by subscription request and the mobile TV client of wherein carrying and channel or the programme information that the user need watch, make and deduct fees each time and can charge flexibly at concrete period, user and program, for example: can produce different expenses at different users, also can give the certain discount of user etc. according to different time periods, different programs.
Further comprise in the described system of Fig. 3: the interactive service device 35 of mobile communication system side, the interactive package system 36 of Radio Data System side and multiplex system 37, wherein
Interactive service device 35 is used for initiating interaction according to pre-configured strategy, generates and sends interactive information to interactive package system 36, finishes charging alternately with aaa server 31;
Further, described aaa server 31 carries out chargeing at the interactive mobile TV client of each participation in conjunction with the content of interactive service and the feedback of mobile TV client.
Interactive package system 36 is used for interactive information is encapsulated, and joins in the broadcast data by multiplex system 37;
Multiplex system 37 is used for the interactive information after broadcast data program stream after the scrambling and the encapsulation is sent to the mobile TV client by datacast network.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. the method for an accounting mobile TV is characterized in that, described method comprises:
The mobile TV client sends subscription request to authentication, authentication, charging (AAA) server;
Aaa server carries out authentication and charging according to the ordering information in the subscription request to described mobile TV client, if authentication and chargeing successfully then arrives key management system with the ordering information stores synchronized, and preserves in key management system; Otherwise, return error message, the end process flow process;
The mobile TV client is initiated the business cipher key request by mobile communications network to key management system, and key management system carries out authentication, if business cipher key is returned in the authentication success, otherwise, return error message, the end process flow process;
After the mobile TV client was obtained business cipher key, the deciphering program stream was also watched, and regular request is changed business cipher key or order and changed business cipher key until end simultaneously.
2. method according to claim 1, it is characterized in that, described watching in the process, this method also comprises: described aaa server is participated in interactive mobile TV client for each and is chargeed in conjunction with the interaction content of interactive service device generation and the feedback of mobile TV client.
3. method according to claim 1 and 2 is characterized in that, described mobile TV client regular request is changed business cipher key and comprised: when chargeing according to monthly payment, the mobile TV client shifted to an earlier date before business cipher key is expired, the business cipher key that please look for novelty; Wherein, the time point of the business cipher key that the mobile TV client-requested is new is the time point in a period of time before the expired time point that is evenly distributed on by the client picked at random;
Described regular request is ordered and changed business cipher key and comprises: during according to duration based accounting, the mobile TV client was initiated to order and the business cipher key request before business cipher key is expired again.
4. method according to claim 1 and 2, it is characterized in that described mobile TV client is carried out authentication to described aaa server and charging comprises: determine that according to described mobile TV client the channel watched or the account balance or the credit situation of programme information and Freight Basis and described mobile TV client carry out authentication and charging.
5. method according to claim 1 and 2, it is characterized in that, described key management system carries out authentication and comprises: the ordering information according to business cipher key request and preservation carries out authentication, if the user has ordered program or the channel that carries in the business cipher key request, then authentication is passed through, if do not order described program or channel, then authentication is not passed through.
6. method according to claim 1 and 2 is characterized in that, described ordering information comprises:
The user profile of described mobile TV client, user determine channel or programme information and the Freight Basis watched; Described Freight Basis is to carry out that monthly payment is chargeed or according to duration based accounting at the channel of determining to watch or programme information.
7. the system of an accounting mobile TV is characterized in that, described system is divided into Radio Data System side and mobile communication system side, and the mobile communication system side specifically comprises: aaa server and CSCF; The Radio Data System side comprises: mobile TV control centre and key management system; Wherein,
Described aaa server is used for according to the ordering information of subscription request described mobile TV client being carried out authentication and charging, and the ordering information stores synchronized is arrived key management system;
Described CSCF, be used for aaa server, mobile TV control centre and the mobile TV client that connects by mobile communications network between data interaction, and transmit business cipher key request that the mobile TV client sends or subscription request until end;
Described mobile TV control centre is used for initial key request or business cipher key request are transmitted to key management system, and the data-message that key management system is returned is transmitted to CSCF;
Described key management system, be used for returning initial key according to the initial key request that the mobile TV client sends, preserve the ordering information that aaa server comes synchronously, and carry out authentication at the business cipher key request that the mobile TV client is initiated by mobile communications network.
8. system according to claim 7 is characterized in that, described mobile communication system side also comprises: the interactive service device is used for finishing charging alternately with aaa server;
Described aaa server also is used for participating in interactive mobile TV client for each and chargeing in conjunction with the interaction content of interactive service device generation and the feedback of mobile TV client.
9. according to claim 7 or 8 described systems, it is characterized in that, the business cipher key request that described CSCF transmits the transmission of mobile TV client comprises: when chargeing according to monthly payment, the mobile TV client shifted to an earlier date before business cipher key is expired at every turn, the business cipher key that please look for novelty; Wherein, the time point of the business cipher key that the mobile TV client-requested is new is the time point in a period of time before the expired time point that is evenly distributed on by the client picked at random;
The subscription request that described CSCF transmits the transmission of mobile TV client comprises: during according to duration based accounting, the mobile TV client was initiated to order and the business cipher key request before business cipher key is each expired again.
10. according to claim 7 or 8 described systems, it is characterized in that, described aaa server carries out authentication and charging to described mobile TV client, comprising: determine that in conjunction with described mobile TV client the channel watched or the account balance of programme information and Freight Basis and described mobile TV client carry out authentication and charging.
CN 201010179770 2010-05-19 2010-05-19 Method and system for accounting mobile TV Expired - Fee Related CN101827247B (en)

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PCT/CN2010/076352 WO2011143860A1 (en) 2010-05-19 2010-08-25 Method and system for handset television (tv) accounting

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