WO2010045779A1 - 一种用于实现多媒体广播充值的方法和装置 - Google Patents

一种用于实现多媒体广播充值的方法和装置 Download PDF

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Publication number
WO2010045779A1
WO2010045779A1 PCT/CN2009/000844 CN2009000844W WO2010045779A1 WO 2010045779 A1 WO2010045779 A1 WO 2010045779A1 CN 2009000844 W CN2009000844 W CN 2009000844W WO 2010045779 A1 WO2010045779 A1 WO 2010045779A1
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WO
WIPO (PCT)
Prior art keywords
terminal
emm
smart card
recharge
module
Prior art date
Application number
PCT/CN2009/000844
Other languages
English (en)
French (fr)
Inventor
韦福
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2010045779A1 publication Critical patent/WO2010045779A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1453—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network
    • H04L12/1464—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network using a card, such as credit card, prepay card or SIM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/254—Management at additional data server, e.g. shopping server, rights management server
    • H04N21/2543—Billing, e.g. for subscription services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4185—External card to be used in combination with the client device, e.g. for conditional access for payment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network 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 
    • H04N21/63—Control 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
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407—Specialised 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

Definitions

  • the present invention relates to the field of digital mobile communications, and in particular, to a method and apparatus for implementing multimedia broadcast charging.
  • DVB-H Digital Video Broadcast Handheld
  • MediaFLO Media Forward Link Only
  • CMMB China Mobile Multimedia Broadcasting
  • CA system Conditional Access System
  • Subscriber A system that receives broadcast services or programs, that is, subscribers can only watch authorized broadcast services or programs. It is the key to realizing personalized service.
  • the basic purpose is to authorize control and authorization management of users in the TV system, so as to realize the paid service of the broadcasting system.
  • the general multimedia broadcast terminal payment methods mainly include offline recharge and storage.
  • the deposits mainly include online banking, deposits, deposits, deposits, RFID (Radio Frequency Identification), and OTA (Over-the-Air Technology).
  • the online banking deposit and the UnionPay inventory are based on the recharge method of the banking system and need to be indirectly recharged through the bank.
  • the storage of the storage machine is to recharge the terminal and the front end through the storage machine, which lacks flexibility.
  • RFID storage is recharged by radio frequency identification, and equipment needs to be added. It cannot be recharged at a long distance.
  • ⁇ SMS is stored through the mobile network, using SMS to achieve recharging. SMS needs to be formatted separately to distinguish the normal SMS format.
  • Offline recharge mainly includes recharge recharge and smart recharge card recharge. Recharge the recharge code, you need to buy a recharge card, set up a recharge card outlet, and smart card recharge, purchase Buy a smart card, and create a smart card outlet.
  • the technical problem to be solved by the present invention is to propose a method and apparatus for realizing multimedia broadcast recharging, which improves the speed and economy of the mobile multimedia broadcasting system.
  • the present invention provides a method for implementing multimedia broadcast refilling, including:
  • the front end system binds the SIM card of the user identification module of the user and the smart card ID of the terminal; when the user notifies the front end system to recharge, the front end system deducts the recharge amount from the SIM card, and the recharge amount and the
  • the smart card ID is written to the authorization management information EMM, and the EMM is encrypted and sent to the user's terminal;
  • the electronic wallet of the smart card in the terminal is recharged according to the recharge amount and the smart card ID.
  • the front end system may include a service operation support system BOSS, a scrambler, a multiplexer, a modulator, and a transmitting device;
  • the BOSS binds the SIM card of the user and the smart card ID of the terminal according to the registration of the user;
  • the BOSS receives the refill notification, deducts the recharge amount from the SIM card, and sends the recharge amount and the smart card ID to the scrambler;
  • the scrambler receives The recharge amount and the smart card ID are written to the EMM, encrypted and sent to the multiplexer;
  • the multiplexer encapsulates the encrypted EMM into a multiplex frame and sends to the modulator;
  • the modulator Modulating the received multiplexed frame into an electromagnetic wave on a physical channel, and the transmitting device sends the modulated electromagnetic wave to a terminal of the user;
  • the terminal may include a tuner, a demultiplexing module, an encryption authorization terminal module EAM-C, and an electronic wallet terminal module EPM-C;
  • the tuner tunes the received electromagnetic wave into a multiplexed frame and sends the multiplexed frame to the demultiplexing module;
  • the demultiplexing module parses the received multiplexed frame to obtain an encrypted EMM, and sends the encrypted EMM to the An EAM-C module;
  • the EAM-C module decrypts the encrypted EMM to obtain the smart card ID and the recharge amount, and sends the smart card ID to the EPM-C module;
  • the EPM-C performs the smart card according to the recharge amount Refill your wallet.
  • a security password can be set
  • the BOSS deducts the recharge amount from the SIM card.
  • the method for the user to notify the BOSS to perform recharging may include: sending a text message, making a phone call, surfing the Internet, and directly going to various outlets or business halls.
  • the scrambler can also indicate that the recharge is based on the SIM card refill by setting the "management object identifier" in the EMM;
  • the EAM-C module also sends a "management object identifier" in the EMM to the EPM-C, and the EPM-C learns that the recharge is based on the SIM card refill according to the "management object identifier".
  • the multiplexer may configure an encryption authorization description table for controlling the multiplex frame, and encapsulate the EMM into a data unit corresponding to the service ID of the EMM according to the encryption authorization description table, and encapsulate the packet into a service multiplexing frame, where the control is performed. And the multiplexed frame and the service multiplex frame are sent to the modulator, where the cryptographic authorization description table includes a service ID of the EMM;
  • the demultiplexing module parses the received control multiplexing frame, obtains an encryption authorization description table, obtains the service ID of the EMM from the encryption authorization description table, and parses the service multiplexing frame corresponding to the service ID.
  • An encrypted EMM is obtained and sent to the EAM-C module.
  • the EPM-C may first determine whether the received smart card ID is consistent with the smart card ID of the terminal, and if it is consistent, refill the electronic wallet of the smart card.
  • the front end system can simultaneously recharge one or more terminals through the EMM.
  • the present invention further provides a method for implementing multimedia broadcast recharging, including:
  • the front-end system binds the user's customer identification module SIM card and the smart card ID of the terminal together; when the user notifies the front-end system to recharge, the front-end system writes the recharge amount and the smart card ID into the authorization management information EMM, a terminal that is sent to the user after being encrypted;
  • the terminal After decrypting, the terminal recharges the electronic wallet of the smart card in the terminal according to the recharge amount and the smart card ID;
  • the front end system After the terminal is successfully recharged, the front end system sends a successful refill confirmation signal; and the front end system deducts the recharge amount from the SIM card.
  • the present invention further provides a front-end system for implementing multimedia broadcast recharging, which is configured to bind a user's customer identification module SIM card and a smart card ID of the terminal together, when the user notifies the front end
  • the front-end system deducts the recharge amount from the SIM card, writes the recharge amount and the smart card ID into the authorization management information EMM, encrypts and sends the credit to the user's terminal;
  • the terminal can recharge the electronic wallet of the smart card in the terminal according to the recharge amount and the smart card ID.
  • the present invention further provides a terminal for realizing multimedia broadcast recharging, which is configured to be capable of electronically encrypting a smart card according to a refill amount and a smart card ID after decrypting the encrypted EMM received from the front end system.
  • a terminal for realizing multimedia broadcast recharging which is configured to be capable of electronically encrypting a smart card according to a refill amount and a smart card ID after decrypting the encrypted EMM received from the front end system.
  • the present invention also provides a front-end system for realizing multimedia broadcast recharging, including a service operation support system BOSS, a scrambler, a multiplexer, a modulator, and a transmitting device, wherein:
  • the BOSS is configured to bind the SIM card of the user identification module of the user and the smart card ID of the terminal, and when the user notifies the front-end system to recharge, the BOSS receives the recharge notification, and deducts the recharge amount from the SIM card, and Sending the refill amount and the smart card ID to the scrambled crying.
  • the scrambler is configured to generate an EMM according to the received recharge amount and the smart card ID, encrypt and send to the multiplexer;
  • the multiplexer is configured to encapsulate the encrypted EMM into a multiplex frame and send the modulator to the modulator;
  • the modulator is configured to modulate the received multiplexed frame into electromagnetic waves on a physical channel;
  • the transmitting device is configured to send the modulated electromagnetic wave to a user terminal;
  • the received electromagnetic wave can be tuned into a multiplexed frame by the terminal for realizing the multimedia broadcast recharging, the multiplexed frame is parsed, the encrypted EMM is obtained, and sent to the cryptographic authorized terminal module EAM-C module of the terminal, and the The EAM-C module decrypts the EMM to obtain the smart card ID and the recharge amount, and sends the smart card ID and the refill amount to the electronic wallet terminal module EPM-C module of the terminal, and the EPM-C recharges the electronic wallet of the smart card of the terminal according to the recharge amount.
  • the present invention also provides a terminal for implementing multimedia broadcast recharging, including a tuner, a demultiplexing module, an encryption authorization terminal module EAM-C, and an electronic wallet terminal module EPM-C, wherein:
  • the tuner is configured to modulate electromagnetic waves received from the front end system described above into a multiplexed frame and send the same to the demultiplexing module;
  • the demultiplexing module is configured to parse the received multiplexed frame to obtain an encrypted EMM, and send the EMM to the EAM-C module;
  • the EAM-C module is configured to decrypt the EMM, obtain the smart card ID and the recharge amount, and send the same to the EPM-C module;
  • the EPM-C is configured to recharge the electronic wallet of the smart card according to the recharge amount. Further, when the scrambler in the front-end system is configured to set the "management object identifier" in the EMM, indicating that the recharge is based on the SIM card refill, the EAM-C module in the terminal can be set. The "management object identifier" in the EMM is sent to the EPM-C, and the EPM-C learns that the recharge is based on the SIM card refill according to the "management object identifier".
  • the multiplexer in the foregoing front-end system is configured to configure an encryption authorization description table for controlling a multiplex frame
  • the EMM is encapsulated into a data unit corresponding to the service ID of the EMM according to the encryption authorization description table, and encapsulated into a service.
  • the control multiplexing frame and the service multiplexing frame are sent to the modulator, where the solution in the terminal is included when the encryption authorization description table includes a service ID of the EMM
  • the multiplexing module may be configured to parse the received control multiplexing frame, obtain an encryption authorization description table, obtain a service ID of the EMM from the encryption authorization description table, and parse the service multiplexing frame corresponding to the service ID, to obtain
  • the encrypted EMM is sent to the EAM-C module.
  • the EPM-C may be further configured to determine whether the received smart card ID is consistent with the smart card ID of the terminal, and if they are consistent, the electronic wallet of the smart card is recharged.
  • FIG. 1 is a schematic diagram of a front end system of multimedia broadcast recharging according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a terminal for multimedia broadcast recharging according to an embodiment of the present invention
  • FIG. 3 is a flowchart of multimedia broadcast refill according to an embodiment of the present invention.
  • EMM Entitlement Management Message
  • Figure 5 is a multimedia broadcast multiplexing frame structure
  • Figure 7 is a multimedia broadcast multiplexed frame payload structure (MF - ID ⁇ 0);
  • Figure 8 is the location of the transmitted EMM in the multiplex frame. Preferred embodiment of the invention
  • the present invention implements recharging based on a SIM (Subscriber Identity Model) card.
  • SIM Subscriber Identity Model
  • the user registers with the front end system of the multimedia broadcast recharge, and binds the SIM card and the smart card ID of the terminal together; when recharging, the user notifies the front end system, and the front end system deducts the recharge amount from the SIM card, The recharge amount and the smart card ID are written to the EMM, and are encrypted and sent to the user's terminal; after decrypting, the terminal recharges the electronic wallet of the smart card in the terminal according to the recharge amount and the smart card ID.
  • the multimedia broadcast refilling implementation device comprises two parts: a multimedia broadcast recharging front end system and a user terminal, as shown in FIG. 1 and FIG. 2 respectively.
  • the front-end system is used to bind the SIM card of the user and the smart card ID of the terminal.
  • the user When the user notifies that the user wants to recharge, the user also deducts the recharge amount from the SIM card, and recharges the amount and intelligence.
  • the card ID is written to the authorization management information EMM, and is encrypted and sent to the user's terminal.
  • the terminal is used to decrypt the encrypted EMM and then refill the electronic wallet of the smart card in the terminal according to the refill amount and the smart card ID.
  • a front-end system for multimedia broadcast recharging including a BOSS (Business and Operation Support System), a scrambler, a multiplexer, a modulator, and a transmitting device; wherein, the BOSS is used according to user requirements. Binding the SIM card to the smart card ID of the user terminal; when the user informs that it wants to recharge, it is also used to deduct the recharge amount from the SIM card, and send the recharge amount and the smart card ID to the scrambler;
  • BOSS Business and Operation Support System
  • the scrambler is configured to generate an EMM plaintext according to the recharge amount and the smart card ID, and send the encrypted to the multiplexer; wherein the scrambler indicates that the SIM card is recharged by setting a "management object identifier" in the EMM;
  • the multiplexer is configured to encapsulate the EMM into the multiplexing frame and send the signal to the modulator. Specifically, the multiplexer configures a cryptographic authorization description table for controlling the multiplex frame, and encapsulates the EMM into the EMM service according to the cryptographic authorization description table. Corresponding data unit is encapsulated into a service multiplexing frame and sent to the modulator;
  • the modulator is for modulating a multiplexed frame into electromagnetic waves on a physical channel, and the electromagnetic wave is emitted by the transmitting device.
  • the user's terminal includes: a tuner (Tuner), a demultiplexing module, and a CA system;
  • the CA system includes EAM-C (Encryption and Authorization Module Client) and EPM-C (Electronic Purse Module Client); EAM-C consists of EAM-C software and adaptation module, and EAM The -C firmware module is composed; the EPM-C is composed of the EPM-C software and the adaptation module, and the EPM-C firmware module; wherein the EAM-C firmware module and the EPM-C firmware module are located in the smart card;
  • the tuner is configured to tune the received electromagnetic wave into a multiplexed frame, and the encrypted EMM is parsed by the parsing and multiplexing module, and sent to the EAM-C module.
  • the parsing and multiplexing module parses the received control complex. Using the frame, obtaining a cryptographic authorization description table, obtaining a service ID of the EMM from the table, and parsing the service multiplex frame corresponding to the service ID to obtain an encrypted EMM;
  • the EAM-C module is used to decrypt the EMM, obtain the smart card ID and the recharge amount, and send it to the EPM-C module.
  • EPM-C is used to judge whether the smart card ID is consistent with the local one. If it is consistent, the electronic wallet is recharged according to the amount.
  • the EAM-C module also sends the "management object identifier" in the EMM to the EPM-C.
  • EPM-C is based on the "Management Object Identification” and is based on SIM card recharge.
  • terminal further includes other modules, but since it has little relationship with the present invention, it is not shown in FIG.
  • the multimedia broadcast refilling process of the embodiment of the present invention includes the following steps: Step 301: The user goes to the BOSS to register, and the BOSS binds the SIM card and the smart card ID of the terminal according to the registration;
  • Step 302 When the recharge is required, the user notifies the BOSS that the BOSS deducts the recharge amount from the SIM card, and sends the recharge amount and the smart card ID to the scrambler;
  • BOSS can be by texting, calling, surfing the Internet or going directly to various outlets or business halls;
  • the security password is set; when the user recharges, the security password needs to be correctly entered;
  • Step 303 the scrambler writes the refill amount and the smart card ID into the EMM plaintext, and expands the field "management object identifier" to indicate that the SIM card is recharged based on, for example, "management object identifier, 0x0008; EMM plaintext is encrypted. Send to the multiplexer;
  • the EMM plaintext is mainly composed of a signaling packet header and a signaling payload
  • the signaling packet header is composed of a main type, a security parameter, and a length
  • the signaling payload is composed of subtypes and data
  • the data is composed. It consists of an e-wallet ID, a management object ID, a management action, a reservation, a pseudo-random number, and a MAC (Message Authentication Code).
  • the electronic wallet identification field can be placed with the smart card ID to be recharged, the reserved field is expanded to the amount to be recharged, and the value of the extended field "management object identification" is used to indicate that the value is based on the SIM card refill, and the selectable value is 0x00 08 ⁇ OxFF FF or a value in 0x00;
  • one or more terminals can be simultaneously simultaneously passed through the EMM.
  • the e-wallet identifier in the EMM plaintext (signaling payload) is all 0, and the e-wallet refill signaling is sent to the terminal in a certain area, the 8-byte e-wallet The identifier, except for the first 2 bytes of the specified area, the remaining 6 bytes are all 0s;
  • the multiplexer configures various control information tables, and encapsulates the EMM into the corresponding data unit according to the encryption authorization description table. Then encapsulating various data into multiplexed frames;
  • the multiplexed frame is divided into a multiplexed frame header, a multiplexed frame payload, and a padding, as shown in FIG. 5; wherein the multiplexed frame header field "extended control information update sequence number" , the update sequence number used to indicate other extended control information including the "encryption authorization description table", if the sequence number changes, it indicates that the "encryption authorization description table" needs to be updated;
  • the mobile multimedia broadcast technology is transmitted by using the control information and the service data in a separate manner.
  • the corresponding multiplexing frame (MF_ID ⁇ 0) encapsulates the service data; for the service multiplexing frame, it is further divided into multiple multiplexing subframes, and each subframe encapsulates the video segment, the audio segment and the data segment. , as shown in Figure 7.
  • the multiplexed frame payload is mainly used for bearer services, and each multiplexed subframe carries one service, and the data segments in the multiplexed subframe are used for data packets, ECM, EMM (when carrying EMM, the multiplexed subframe is not Enclosed with audio segments, video segments, etc.
  • the EMM occupies a service multiplexing subframe separately for the location of the transmitted EMM in the multiplex frame, and the service multiplex subframe does not include audio and video segments, and can be identified by the data unit type;
  • the EMM is sent out through the multiplexed frame of the mobile multimedia broadcast.
  • the EMM can be flexibly transmitted through the broadcast network and the network outside the broadcast network, for example, through the mobile network (currently, the mobile CMMB moves through the mobile network). Network transmission);
  • Step 305 The modulator modulates the multiplexed frame into electromagnetic waves on the physical channel, and the transmitting device charges Magnetic waves are emitted into the air;
  • Step 306 the tuner tunes the electromagnetic wave into a multiplexing frame, and the parsing multiplexing module parses and controls the multiplexing frame to obtain an encryption authorization description table, and obtains the EMM service ID from the table, and then parses the service multiplexing frame corresponding to the service ID. Get the EMM and send it to the EAM-C module;
  • the parsing and multiplexing module parses the corresponding service multiplexing frame by using a channel corresponding to the service ID of the EMM to obtain the EMM;
  • Step 307 the EAM-C module decrypts the EMM to obtain the smart card ID, the recharge amount, and the "management object identifier", and sends the same to the EPM-C module;
  • Step 308 the EPM-C according to the "management object identifier”, is known to be based on the SIM card recharge, for example, according to the "management object identifier" is 0x0008, it is based on the SIM card recharge; determine whether the smart card ID is consistent with the local, If they are consistent, the e-wallet is recharged according to the amount;
  • the front-end system can send a successful refill confirmation signal
  • BOSS can wait until the terminal recharges successfully, and sends back the successful recharge signal before deducting the money from the SIM card.
  • the SIM card is used for recharging, and the outlets of the existing SIM card are fully utilized, thereby saving the cost of the network construction point, improving the quickness and convenience of the recharge, and facilitating the deployment of the paid service. .

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Description

一种用于实现多媒体广播充值的方法和装置
技术领域
本发明涉及数字移动通讯领域， 尤其涉及一种用于实现多媒体广播充值 的方法和装置。
背景技术
近年来， 数字移动多媒体广播技术和标准发展迅速， 例如欧洲的 DVB-H ( Digital Video Broadcast Handheld, 数字视频广播手持式接收） 、 美国的 MediaFLO ( Media Forward Link Only, 媒体单一前向链路 )和中国的 CMMB ( China Mobile Multimedia Broadcasting, 中国移动多媒体广播 )等， 为其终 端用户提供许多服务内容， 如广告、 天气预报、 新闻、 体育节目、 综艺、 多 媒体广播剧、 电影等节目， 用户可以根据自己的爱好选择移动多媒体广播的 服务节目。
CA系统（ Conditional Access System, 条件接收系统 )是指用来控制订户
( Subscriber )对广播服务或者节目进行接收的系统， 即订户只能收看经过授 权的广播服务或者节目。 它是实现个性化服务的关键， 基本目的是在电视系 统中对用户进行授权控制及授权管理， 从而实现广播系统的有偿服务。
而进行有偿服务， 就需要终端用户充值缴费， 而一般多媒体广播终端缴 费办法主要有离线充值和圈存两种办法。 圈存主要有网络银行圈存、 银联圈 存、 圈存机圈存、 RFID ( Radio Frequency Identification, 无线射频辨识）圈存、 OTA ( Over-the-Air Technology , 空中下载技术）短信圈存。 网络银行圈存和 银联圈存是基于银行系统充值方式， 需要通过银行间接充值。 圈存机圈存是 通过圈存机把终端和前端联系起来进行充值， 缺乏灵活性。 RFID圈存通过射 频识别来实现充值， 需要添加设备， 远距离不能充值。 ΟΤΑ短信圈存是通过 移动网， 釆用短信交互方式实现充值， 短信需要另外规定格式， 以区别普通 短信格式， 没有利用广播网， 或者另外购买卡得序列号， 由短信发到前端， 前端再发回加密短信进行充值。 离线充值主要有充值码充值和智能充值卡充 值等。 充值码充值需购买充值卡， 建立卖充值卡网点， 而智能卡充值， 需购 买智能卡， 另建立卖智能卡网点。
由此可见， 以上方法都存在一定问题， 比如需要建立充值网点， 操作不 便捷， 充值不方便等， 为此需要一种更完善的充值方法。 发明内容
本发明要解决的技术问题就是提出一种用于实现多媒体广播充值的方法 和装置， 提高移动多媒体广播系统的快捷性和经济性。
为了解决上述技术问题， 本发明提供一种用于实现多媒体广播充值的方 法， 包括：
前端系统把用户的客户识别模块 SIM卡和终端的智能卡 ID绑定在一起； 当用户通知所述前端系统充值时， 所述前端系统从 SIM卡中扣除充值数 额，把所述充值数额和所述智能卡 ID写入授权管理信息 EMM,将所述 EMM 加密后发给用户的终端； 以及
所述终端解密后 ,根据所述充值数额和所述智能卡 ID对所述终端中智能 卡的电子钱包充值。
进一步地， 所述前端系统可包括业务运营支撑系统 BOSS、 加扰器、 复 用器、 调制器和发射设备；
所述绑定步骤中， 所述 BOSS根据用户的登记， 把用户的 SIM卡和终端 的智能卡 ID绑定在一起；
用户通知所述前端系统充值时， 所述 BOSS收到充值通知， 从 SIM卡扣 除充值数额， 并把所述充值数额和所述智能卡 ID发给所述加扰器； 所述加扰 器把收到的充值数额和智能卡 ID写入 EMM,经过加密后发送给所述复用器； 所述复用器把所加密的 EMM封装到复用帧中， 发送给所述调制器； 所述调 制器把所收到的复用帧调制成物理信道上的电磁波， 所述发射设备把所调制 成的电磁波发给用户的终端；
且所述终端可包括调谐器、 解复用模块、 加密授权终端模块 EAM-C和 电子钱包终端模块 EPM-C; 所述调谐器将所接收到的电磁波调谐成复用帧， 并发送给所述解复用模 块； 所述解复用模块解析收到的复用帧， 得到加密的 EMM, 并发送给所述 EAM-C模块；所述 EAM-C模块解密所述加密的 EMM得到所述智能卡 ID和 所述充值金额， 发送给所述 EPM-C模块； 所述 EPM-C按所述充值金额对智 能卡的电子钱包进行充值。
进一步地， 所述 BOSS绑定 SIM卡和智能卡 ID时， 可设定安全密码； 以及
用户通知所述前端系统充值时， 正确输入所述安全密码后， 所述 BOSS 才从 SIM卡中扣除所述充值数额。
进一步地， 用户通知所述 BOSS进行充值的方式可包括： 发短信、 打电 话、 上网以及直接到各个网点或者营业厅办理。
进一步地， 所述加扰器还可通过设置所述 EMM中的 "管理对象标识" ， 来表示充值是基于 SIM卡充值； 以及
所述 EAM-C模块还将所述 EMM 中的 "管理对象标识" 发送给所述 EPM-C, 所述 EPM-C根据 "管理对象标识" 获知充值是基于 SIM卡充值。
进一步地， 所述复用器可配置控制复用帧的加密授权描述表， 根据加密 授权描述表把 EMM封装到 EMM的业务 ID对应的数据单元中并封装成业务 复用帧， 将所述控制复用帧和所述业务复用帧发送给所述调制器， 其中所述 加密授权描述表中包含所述 EMM的业务 ID； 以及
所述解复用模块解析接收到的控制复用帧， 得到加密授权描述表， 从所 述加密授权描述表中得到所述 EMM的业务 ID, 解析所述业务 ID所对应的 业务复用帧， 得到加密的 EMM, 发送给所述 EAM-C模块。
进一步地， 所述 EPM-C可先判断所接收到的智能卡 ID跟所述终端的智 能卡 ID是否一致， 如果一致， 才对智能卡的电子钱包进行充值。
进一步地， 所述前端系统可通过所述 EMM同时对一个以上的终端进行 充值。
为了解决上述技术问题， 本发明还提供一种用于实现多媒体广播充值的 方法， 包括： 前端系统把用户的客户识别模块 SIM卡和终端的智能卡 ID绑定在一起； 当用户通知所述前端系统要充值时， 所述前端系统把充值数额和所述智 能卡 ID写入授权管理信息 EMM, 加密后发给用户的终端；
所述终端解密后根据所述充值数额和所述智能卡 ID对终端中智能卡的 电子钱包充值；
终端充值成功后， 给所述前端系统发送成功充值确认信号； 以及 所述前端系统从所述 SIM卡中扣除充值数额。
为了解决上述技术问题， 本发明还提供了一种用于实现多媒体广播充值 的前端系统， 其设置成把用户的客户识别模块 SIM卡和终端的智能卡 ID绑 定在一起， 当用户通知所述前端系统要充值时， 所述前端系统从 SIM卡扣除 充值数额， 把所述充值数额和所述智能卡 ID写入授权管理信息 EMM, 加密 后发给用户的终端；
从而所述终端在将收到的加密 EMM解密后能够根据所述充值数额和所 述智能卡 ID对所述终端中智能卡的电子钱包充值。
为了解决上述技术问题， 本发明还提供了一种用于实现多媒体广播充值 的终端， 其设置成在将从上述前端系统收到的加密 EMM解密后能够根据充 值数额和智能卡 ID对自身智能卡的电子钱包充值。
为了解决上述技术问题， 本发明还提供了一种用于实现多媒体广播充值 的前端系统， 包括业务运营支撑系统 BOSS、 加扰器、 复用器、 调制器和发 射设备， 其中：
所述 BOSS设置成把用户的客户识别模块 SIM卡和终端的智能卡 ID绑 定在一起， 以及当用户通知所述前端系统充值时， 所述 BOSS收到充值通知， 从 SIM卡扣除充值数额， 并把所述充值数额和所述智能卡 ID发给所述加扰 哭口.？
所述加扰器设置成根据收到的充值数额和智能卡 ID生成 EMM, 加密后 发送给所述复用器；
所述复用器设置成把所加密的 EMM封装到复用帧中， 发送给所述调制 器； 所述调制器设置成把所收到的复用帧调制成物理信道上的电磁波； 所述发射设备设置成把所调制成的电磁波发给用户终端；
从而可由用于实现多媒体广播充值的终端将接收到的电磁波调谐成复用 帧， 解析复用帧， 得到加密的 EMM, 并发送给所述终端的加密授权终端模块 EAM-C模块， 而所述 EAM-C模块解密 EMM得到智能卡 ID和充值金额，发 送给所述终端的电子钱包终端模块 EPM-C模块， 所述 EPM-C按所述充值金 额对所述终端的智能卡的电子钱包进行充值。
为了解决上述技术问题， 本发明还提供了一种用于实现多媒体广播充值 的终端， 包括调谐器、解复用模块、加密授权终端模块 EAM-C和电子钱包终 端模块 EPM-C, 其中：
所述调谐器设置成将从上述的前端系统接收到的电磁波调谐成复用帧， 并发送给所述解复用模块；
所述解复用模块设置成解析接收到的复用帧得到加密的 EMM,发送给所 述 EAM-C模块；
所述 EAM-C模块设置成解密 EMM, 得到智能卡 ID和充值金额， 发送 给所述 EPM-C模块；
以及所述 EPM-C设置成按所述充值金额对智能卡的电子钱包进行充值。 进一步地， 当上述的前端系统中的所述加扰器设置成通过设置 EMM中 的 "管理对象标识" ， 表示充值是基于 SIM卡充值时， 所述终端中的所述 EAM-C模块可设置成将 EMM中的 "管理对象标识 "发送给所述 EPM-C , 所 述 EPM-C根据 "管理对象标识" 获知充值是基于 SIM卡充值。
进一步地， 当上述的前端系统中的所述复用器设置成配置控制复用帧的 加密授权描述表， 根据加密授权描述表把 EMM封装到 EMM的业务 ID对应 的数据单元中并封装成业务复用帧 , 将所述控制复用帧和所述业务复用帧发 送给所述调制器， 其中所述加密授权描述表中包含所述 EMM的业务 ID时， 所述终端中的所述解复用模块可设置成解析接收到的控制复用帧 , 得到加密 授权描述表， 从所述加密授权描述表中得到所述 EMM的业务 ID, 解析所述 业务 ID对应的业务复用帧， 得到加密的 EMM , 发送给所述 EAM-C模块。 进一步地， 所述 EPM-C还可设置成判断接收到的智能卡 ID跟所述终端 的智能卡 ID是否一致， 如果一致， 才对智能卡的电子钱包进行充值。 附图概述
图 1是本发明实施例的多媒体广播充值的前端系统示意图；
图 2是本发明实施例的多媒体广播充值的终端示意图；
图 3是本发明实施例的多媒体广播充值的流程图；
图 4是本发明实施例的 EMM ( Entitlement Management Message, 授权管 理信息）结构和生成过程；
图 5是多媒体广播复用帧结构；
图 6是多媒体广播复用帧净荷结构 （MF— ID=0 ) ；
图 7是多媒体广播复用帧净荷结构 （MF— ID≠0 ) ； 以及
图 8是传输的 EMM在复用帧中的位置。 本发明的较佳实施方式
本发明釆用基于 SIM ( Subscriber Identity Model, 客户识别模块 )卡实现 充值。
具体来说， 用户到多媒体广播充值的前端系统登记， 把 SIM卡和终端的 智能卡 ID 绑定在一起； 当要充值时， 用户通知所述前端系统， 前端系统从 SIM卡中扣除充值数额， 把充值数额和智能卡 ID写入 EMM, 加密后发给用 户的终端；所述终端解密后根据充值数额和智能卡 ID对终端中智能卡的电子 钱包充值。
下面结合附图及具体实施例对本发明进行详细说明。
在本发明实施例中， 多媒体广播充值的实现装置包括两部分： 多媒体广 播充值的前端系统和用户的终端， 分别如图 1和图 2所示。
其中， 前端系统用于把用户的 SIM卡和终端的智能卡 ID绑定在一起， 当用户通知其要充值时， 还用于从 SIM卡扣除充值数额， 把充值数额和智能 卡 ID写入授权管理信息 EMM, 加密后发给用户的终端； 所述终端用于将加 密的 EMM解密后根据充值数额和智能卡 ID对终端中智能卡的电子钱包充 值。
图 1为多媒体广播充值的前端系统， 包括 BOSS ( Business and Operation Support System, 业务运营支撑系统）、 加扰器、 复用器、 调制器和发射设备； 其中， 所述 BOSS用于根据用户要求，把 SIM卡和用户终端的智能卡 ID 绑定在一起； 当用户通知其要充值时， 还用于从 SIM卡扣除充值数额， 把充 值数额和智能卡 ID发给加扰器；
所述加扰器用于根据充值数额和智能卡 ID生成 EMM明文，加密后发送 给复用器； 其中， 加扰器通过设置 EMM中 "管理对象标识" ， 表示^ ^于 SIM卡充值；
所述复用器用于把 EMM封装到复用帧中， 发送给调制器； 具体来说， 复用器配置控制复用帧的加密授权描述表， 根据加密授权描述表把 EMM封 装到该 EMM业务的标识对应的数据单元中并封装成业务复用帧， 发送给调 制器；
所述调制器用于将复用帧调制成物理信道上的电磁波， 由发射设备把电 磁波发射出去。
如图 2所示， 用户的终端包括： 调谐器（Tuner ) 、 解复用模块、 CA系 统；
其中 CA系统包括 EAM-C ( Encryption and Authorization Module Client, 加密授权终端模块）和 EPM-C ( Electronic Purse Module Client, 电子钱包终 端模块）； EAM-C由 EAM-C软件和适配模块， 以及 EAM-C固件模块组成； EPM-C由 EPM-C软件和适配模块，以及 EPM-C固件模块组成；其中， EAM-C 固件模块和 EPM-C固件模块位于智能卡之中；
所述调谐器用于将接收到的电磁波调谐成复用帧， 通过解析复用模块解 析得到加密的 EMM, 发送给 EAM-C模块； 具体来说， 所述解析复用模块解 析接收到的控制复用帧， 得到加密授权描述表， 从该表中得到 EMM的业务 ID , 解析该业务 ID对应的业务复用帧得到加密的 EMM; EAM-C模块用于解密 EMM,得到智能卡 ID和充值金额，发送给 EPM-C 模块；
EPM-C用于判断智能卡 ID跟本地的是否一致， 如果一致， 则按该金额 对电子钱包进行充值。
其中， EAM-C模块还将 EMM中的 "管理对象标识" 发送给 EPM-C,
EPM-C根据 "管理对象标识" 获知是基于 SIM卡充值。
需要说明的是， 终端还包括其它模块， 但由于跟本发明关系不大， 所以 在图 2中没有示出。
如图 3所示， 本发明实施例的多媒体广播充值流程包括如下步骤： 步骤 301 , 用户到 BOSS去登记， BOSS根据登记把 SIM卡和终端的智 能卡 ID绑定在一起；
步骤 302, 当要需要充值时， 用户通知 BOSS, BOSS从 SIM卡扣除充值 数额， 把充值数额和智能卡 ID发给加扰器；
用户通知 BOSS的方式， 可以是发短信、 打电话、 上网或直接到各个网 点或者营业厅办理等；
为了安全起见， BOSS绑定 SIM卡和智能卡时， 设定安全密码； 当用户 充值时， 需正确输入该安全密码；
步骤 303 , 加扰器把充值数额和智能卡 ID写入 EMM明文， 同时扩展字 段 "管理对象标识" 以表示是基于 SIM卡充值， 比如， 设"管理对象标识，，为 0x0008; EMM明文经过加密后送给复用器；
如图 4所示， 为 EMM结构和生成过程， EMM明文主要由信令包头和信 令载荷组成， 信令包头由主类型、 安全参数、 长度组成， 信令载荷由子类型 和数据组成， 而数据由电子钱包标识、 管理对象标识、 管理动作、 保留、 伪 随机数和 MAC ( Message Authentication Code, 消息鉴别码 )组成。 其中电子 钱包标识字段可放置要充值的智能卡 ID, 把保留字段扩展为放置要充值的金 额，扩展字段"管理对象标识"的值来表示基于 SIM卡充值，可选择值为 0x00 08 ~ OxFF FF或 0x00中一个值；
为了充分利用信道资源， 可通过 EMM同时对一个或一个以上终端同时 充值； 对于向全部终端发出的电子钱包充值信令， EMM明文（信令载荷）中 电子钱包标识为全 0, 对于向某一地域的终端发出电子钱包充值信令， 该 8 字节的电子钱包标识， 除指明地域的前 2个字节外， 其余 6个字节为全 0; 步骤 304, 复用器配置各种控制信息表，根据加密授权描述表把 EMM封 装到对应的数据单元中， 然后把各种数据封装成复用帧；
在移动多媒体广播的复用帧结构中， 复用帧分为复用帧头、 复用帧净荷 和填充三部分， 如图 5所示； 其中复用帧头字段 "扩展控制信息更新序号" ， 用来指示包括 "加密授权描述表" 在内的其他扩展控制信息的更新序号， 如 果该序号发生变化， 则表明 "加密授权描述表" 需要更新；
移动多媒体广播技术釆用控制信息和业务数据分离方式发送， 当时隙传 送控制信道时，对应复用帧（ MF— ID=0 )封装控制信息（注： MF— ID: Multiplex Frame Identifier, 复用帧标识） ， 如图 6所示； 复用帧标识为 0 ( MF_ID=0 ) 时复用帧净荷主要用于承载由控制信息表组成的控制信息； 其中表标识号为 0x07表示该表承载的是加密授权表， 该表描述了各个 CA系统的关系， EMM 和 ECM ( Entitlement Control Message , 授权控制信息） 类型， EMM对应的 业务 ID等；
时隙传送数据信道时， 对应复用帧（MF— ID≠0 )封装业务数据； 对于业 务复用帧， 又分为多个复用子帧， 每个子帧封装视频段、 音频段和数据段， 如图 7所示。 此复用帧净荷主要用于承载业务， 每个复用子帧承载一个业务， 而复用子帧中的数据段用于数据包、 ECM、 EMM (承载 EMM时， 该复用子 帧不含音频段、 视频段）等封装。
如图 8所示， 为传输的 EMM在复用帧中的位置， EMM单独占用一个业 务复用子帧， 同时该业务复用子帧不含音视频段， 可通过数据单元类型来识 别；
在本实施例里面， EMM通过移动多媒体广播的复用帧发送出去，在实际 应用中， 可以灵活地通过广播网， 以及广播网以外的网络传送， 比如通过移 动网传送（目前中移动的 CMMB通过移动网传送） ；
步骤 305 , 调制器把复用帧调制成物理信道上的电磁波， 发射设备把电 磁波发射到空中；
步骤 306, 调谐器把电磁波调谐成复用帧， 解析复用模块解析控制复用 帧， 得到加密授权描述表， 从该表中得 EMM的业务 ID, 再解析该业务 ID 对应的业务复用帧得到 EMM , 送给 EAM-C模块；
其中，解析复用模块通过 EMM的业务 ID对应的频道去解析对应的业务 复用帧得到所述 EMM;
步骤 307, EAM-C模块解密 EMM得到智能卡 ID、 充值金额以及 "管理 对象标识" ， 并发送给 EPM-C模块；
步骤 308, EPM-C根据 "管理对象标识" ， 得知是基于 SIM卡充值， 比 如， 4艮据 "管理对象标识" 为 0x0008得知是基于 SIM卡充值； 判断智能卡 ID跟本地的是否一致， 如果一致， 则按该金额对电子钱包进行充值；
在本步中， 为了可靠， 终端成功充值后， 可给前端系统发送成功充值确 认信号；
为了安全稳定， BOSS 可等到终端充值成功， 发回成功充值信号后， 才 从 SIM卡扣钱。
当然， 本发明还可有其它多种实施例， 在不背离本发明精神及实质的情 但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。
工业实用性
本发明在移动多媒广播系统中， 基于 SIM卡进行充值， 充分利用了现有 SIM卡成熟充值的网点， 节约了建网点的成本， 提高充值的快捷性和方便性， 有利于有偿业务的展开。

Claims

权 利 要 求 书
1、 一种用于实现多媒体广播充值的方法， 包括：
前端系统把用户的客户识别模块 SIM卡和终端的智能卡 ID绑定在一 起；
当用户通知所迷前端系统充值时， 所述前端系统从 SIM卡中扣除充值 数额， 把所述充值数额和所述智能卡 ID写入授权管理信息 EMM, 将所述 EMM加密后发给用户的终端； 以及
所述终端解密后， 根据所述充值数额和所述智能卡 ID对所述终端中智 能卡的电子钱包充值。
2、 如权利要求 1所述的方法， 其中，
所述前端系统包括业务运营支撑系统 BOSS、 加扰器、 复用器、 调制器 和发射设备；
所述绑定步骤中， 所述 BOSS根据用户的登记， 把用户的 SIM卡和终 端的智能卡 ID绑定在一起；
用户通知所述前端系统充值时， 所述 BOSS收到充值通知， 从 SIM卡 扣除充值数额， 并把所述充值数额和所述智能卡 ID发给所述加扰器； 所述 加扰器把收到的充值数额和智能卡 ID写入 EMM, 经过加密后发送给所述 复用器；所述复用器把所加密的 EMM封装到复用帧中，发送给所述调制器； 所述调制器把所收到的复用帧调制成物理信道上的电磁波，所述发射设备把 所调制成的电磁波发给用户的终端；
且所述终端包括调谐器、 解复用模块、 加密授权终端模块 EAM-C和电 子钱包终端模块 EPM-C;
所述调谐器将所接收到的电磁波调谐成复用帧，并发送给所述解复用模 块； 所述解复用模块解析收到的复用帧， 得到加密的 EMM, 并发送给所述 EAM-C模块； 所述 EAM-C模块解密所述加密的 EMM得到所述智能卡 ID 和所述充值金额，发送给所述 EPM-C模块； 所述 EPM-C按所述充值金额对 智能卡的电子钱包进行充值。
3、 如权利要求 2所述的方法， 其中：
所述 BOSS绑定 SIM卡和智能卡 ID时， 设定安全密码； 以及
11
更正页（细则第 91条) 用户通知所述前端系统充值时， 正确输入所述安全密码后， 所述 BOSS 才从 SIM卡中扣除所述充值数额。
4、 如权利要求 2所述的方法， 其中：
用户通知所述 BOSS进行充值的方式包括： 发短信、 打电话、 上网以及 直接到各个网点或者营业厅办理。
5、 如权利要求 2所述的方法， 其中：
所述加扰器还通过设置所述 EMM中的 "管理对象标识" ， 来表示充值 是基于 SIM卡充值； 以及
所述 EAM-C 模块还将所述 EMM 中的 "管理对象标识" 发送给所述 EPM-C, 所述 EPM-C根据 "管理对象标识" 获知充值是基于 SIM卡充值。
6、 如权利要求 2所述的方法， 其中：
所述复用器配置控制复用帧的加密授权描述表，根据加密授权描述表把 EMM封装到 EMM的业务 ID对应的数据单元中并封装成业务复用帧，将所 述控制复用帧和所述业务复用帧发送给所述调制器，其中所述加密授权描述 表中包含所述 EMM的业务 ID; 以及
所述解复用模块解析接收到的控制复用帧， 得到加密授权描述表， 从所 述加密授权描述表中得到所述 EMM的业务 ID， 解析所述业务 ID所对应的 业务复用帧， 得到加密的 EMM, 发送给所述 EAM-C模块。
7、 如权利要求 2所述的方法， 其中：
所述 EPM-C先判断所接收到的智能卡 ID跟所述终端的智能卡 ID是否 一致， 如果一致， 才对智能卡的电子钱包进行充值。
8、 如权利要求 1或 2所述的方法， 其中：
所述前端系统通过所述 EMM同时对一个以上的终端进行充值。
9、 一种用于实现多媒体广播充值的方法， 包括：
前端系统把用户的客户识别模块 SIM卡和终端的智能卡 ID绑定在一 起；
当用户通知所述前端系统要充值时，所述前端系统把充值数额和所述智 能卡 ID写入授权管理信息 EMM， 加密后发给用户的终端；
所述终端解密后根据所述充值数额和所述智能卡 ID对终端中智能卡的 电子钱包充值；
12
更正页（细则第 91条） 终端充值成功后， 给所述前端系统发送成功充值确认信号； 以及 所述前端系统从所述 SIM卡中扣除充值数额。
10、一种用于实现多媒体广播充值的前端系统， 其设置成把用户的客户 识别模块 SIM卡和终端的智能卡 ID绑定在一起， 当用户通知所述前端系统 要充值时， 所述前端系统从 SIM卡扣除充值数额， 把所述充值数额和所述 智能卡 ID写入授权管理信息 EMM, 加密后发给用户的终端；
从而所述终端在将收到的加密 EMM解密后能够根据所述充值数额和所 述智能卡 ID对所述终端中智能卡的电子钱包充值。
11、 一种用于实现多媒体广播充值的终端， 其设置成在将从权利要求 10所述的前端系统收到的加密 EMM解密后能够根据充值数额和智能卡 ID 对自身智能卡的电子钱包充值。
12、一种用于实现多媒体广播充值的前端系统， 包括业务运营支撑系统 BOSS> 加扰器、 复用器、 调制器和发射设备， 其中：
所述 BOSS设置成把用户的客户识别模块 SIM卡和终端的智能卡 ID绑 定在一起，以及当用户通知所述前端系统充值时，所述 BOSS收到充值通知， 从 SIM卡扣除充值数额， 并把所述充值数额和所述智能卡 ID发给所述加扰 器；
所述加扰器设置成根据收到的充值数额和智能卡 ID生成 EMM,加密后 发送给所述复用器；
所述复用器设置成把所加密的 EMM封装到复用帧中，发送给所述调制 器；
所述调制器设置成把所收到的复用帧调制成物理信道上的电磁波； 所述发射设备设置成把所调制成的电磁波发给用户终端；
从而可由用于实现多媒体广播充值的终端将接收到的电磁波调谐成复 用帧， 解析复用帧， 得到加密的 EMM, 并发送给所述终端的加密授权终端 模块 EAM-C模块， 而所述 EAM-C模块解密 EMM得到智能卡 ID和充值金 额，发送给所述终端的电子钱包终端模块 EPM-C模块， 所述 EPM-C按所述 充值金额对所述终端的智能卡的电子钱包进行充值。
13、 一种用于实现多媒体广播充值的终端， 包括调谐器、 解复用模块、 加密授权终端模块 EAM-C和电子钱包终端模块 EPM-C, 其中：
13
更正页（细则第 91条) 所述调谐器设置成将从权利要求 12所述的前端系统接收到的电磁波调 谐成复用帧， 并发送给所述解复用模块；
所述解复用模块设置成解析收到的复用帧得到加密的 EMM, 发送给所 述 EAM-C模块；
所述 EAM-C模块设置成解密 EMM， 得到智能卡 ID和充值金额， 发送 给所述 EPM-C模块；
以及所述 EPM-C 设置成按所述充值金额对智能卡的电子钱包进行充 值。
14、 如权利要求 13所述的终端， 其中：
当权利要求 12所述的前端系统中的所述加扰器设置成通过设置 EMM 中的 "管理对象标识，， ， 表示充值是基于 SIM卡充值时， 所述终端中的所 述 EAM-C模块设置成将 EMM中的 "管理对象标识" 发送给所述 EPM-C, 所述 EPM-C根据 "管理对象标识" 获知充值是基于 SIM卡充值。
15、 如权利要求 13所述的终端， 其中：
当权利要求 12所述的前端系统中的所述复用器设置成配置控制复用帧 的加密授权描述表， 根据加密授权描述表把 EMM封装到 EMM的业务 ID 对应的数据单元中并封装成业务复用帧，将所述控制复用帧和所述业务复用 帧发送给所述调制器，其中所述加密授权描述表中包含所述 EMM的业务 ID 时， 所述终端中的所述解复用模块设置成解析接收到的控制复用帧， 得到加 密授权描述表， 从所述加密授权描述表中得到所述 EMM的业务 ID， 解析 所述业务 ID对应的业务复用帧， 得到加密的 EMM， 发送给所述 EAM-C模 块。
16、 如权利要求 13所述的终端， 其中：
所述 EPM-C还设置成判断接收到的智能卡 ID跟所述终端的智能卡 ID 是否一致， 如果一致， 才对智能卡的电子钱包进行充值。
14
更正页（细则第 91条)
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