CN102158754A - Electronic newspaper receiving terminal and method based on CMMB (China Mobile Multimedia Broadcasting) - Google Patents
Electronic newspaper receiving terminal and method based on CMMB (China Mobile Multimedia Broadcasting) Download PDFInfo
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- CN102158754A CN102158754A CN2011100709067A CN201110070906A CN102158754A CN 102158754 A CN102158754 A CN 102158754A CN 2011100709067 A CN2011100709067 A CN 2011100709067A CN 201110070906 A CN201110070906 A CN 201110070906A CN 102158754 A CN102158754 A CN 102158754A
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Abstract
The invention provides an electronic newspaper receiving terminal based on CMMB (China Mobile Multimedia Broadcasting), and the electronic newspaper receiving terminal comprises a demultiplexing module, an ESG (Electronic Service Guide) processing module, a downloading manager, a CA descrambling module and an electronic newspaper reading module, wherein the demultiplexing module is used for synchronizing the time of a CMMB system to a real-time clock (RTC), sending the information of an ESG to the ESG processing module and transmitting the received capsulation data of an expandable protocol to the downloading manager; the ESG processing module is used for extracting the service guide of electronic newspapers from the ESG and showing the service guide to users; the downloading manager is used for executing a downloading task according to a downloading schedule; the CA descrambling module is used for deciphering the received scrambled data into recognizable plaintext data; and the electronic newspaper reading module is used for showing the plaintext data to the users.
Description
Technical field
The present invention relates to the CMMB field, more specifically, relate to electronic newspaper receiving terminal and method based on CMMB.
Background technology
At present, electronic newspaper more and more is subjected to people's attention and welcome.Electronic newspaper roughly can be divided into two types.One type of electronic newspaper that is based on wireless communication technology, that is, and present mobile phone newspaper.The user receives the electronic newspaper of oneself subscribing to by mobile phone terminal, and on the mobile phone terminal of oneself electronic newspaper is read.Another kind of type is based on the electronic newspaper of the Internet.Publication number is that the Chinese patent application of CN101047722A discloses a kind of media file transmitting system, as shown in Figure 1, include the server 12 and the terminal 11 that are connected by network, include the memory module 121 of store media files in the server 12, terminal 11 includes the detection module 111 that detects this machine medium and/or network performance parameter and performance parameter is sent to server 12, server 12 also includes according to the performance parameter of coming self terminal and selects the selection module 123 of the media file that is complementary from memory module and will select the propelling movement module 122 of the media file transmitting of module 123 selections to terminal 11, such media file transmitting system can select media file to push to terminal according to the performance parameter of terminal, avoid the transmission of the media file that terminal can't handle, saved Internet resources.
Yet, though above-mentioned two types electronic newspaper can satisfy present electronic newspaper user's primary demand,, these two types exist different defectives again separately.
Can realize the wireless downloading and the reading of electronic newspaper based on the electronic newspaper of wireless communication technology, but, when electronic newspaper is big file, and when booking reader's quantity is a lot, can't finish the task of carrying out big file push to large-capacity user at short notice based on the electronic newspaper of wireless communication technology.Though the electronic newspaper based on the Internet can be finished the task of carrying out big file push to large-capacity user at short notice by the Internet, but user terminal will keep being connected all the time with the Internet, too late electronic newspaper based on wireless communication technology aspect user experience.
With the advantages of above-mentioned two types electronic newspaper together,, be present this area problem demanding prompt solution how with a kind of terminal subscribes, download and reading electronic newspaper based on new technology.
Summary of the invention
For addressing the above problem, the invention provides a kind of electronic newspaper receiving terminal based on CMMB, comprise: demultiplexing module, be used for giving real-time clock RTC synchronously with the CMMB system time, electron service instruction ESG information is sent to the ESG processing module, and the extensible protocol encapsulation of data that receives is transferred to download manager; The ESG processing module is used for extracting the business guide of electronic newspaper and representing to the user from ESG; Download manager is used for carrying out downloading task according to downloading planning chart; The CA descrambling module, the data decryption through scrambling that is used for receiving becomes discernible clear data; And the electronic newspaper read module, be used for showing clear data to the user.
Wherein, also comprise: RTC is used to receiving terminal that real-time clock is provided.
Wherein, also comprise: subscribe to/cancel subscriptions module, be used for the business that the user subscribes to is subscribed to control, wherein, the download planning chart is formed by receiving terminal after using the user and subscribing to/cancel subscriptions module.
Wherein, also comprise: file system, be used for to the file that receiving terminal receives preserve, open, duplicate, deletion action.
In addition, a kind of electronic newspaper method of reseptance based on CMMB also is provided, comprise: the information that receives from the CMMB broadcast channel is carried out demultiplexing handle, give real-time clock RTC synchronously with the CMMB system time, electron service instruction ESG information is sent to the ESG processing module, and the extensible protocol encapsulation of data that receives is transferred to download manager; Use ESG processing module is extracted the business guide of electronic newspaper and is represented to the user from ESG; Carry out downloading task according to downloading planning chart; The data decryption through scrambling that receives is become discernible clear data; And show clear data to the user.
Wherein, also comprise: for receiving terminal provides real-time clock.
Wherein, also comprise: the business that the user subscribes to is subscribed to control,
Wherein, downloading planning chart is the user business of subscribing to be subscribed to the control back to form.
Wherein, also comprise: to the file that receiving terminal receives preserve, open, duplicate, deletion action.
Above technical scheme realizes the propelling movement of the face phase large-capacity user of big file electronic newspaper by the CMMB technology, both realized that electronic newspaper subscribed to anywhere or anytime and download, also realized sending big file electronic newspaper in the short time to numerous subscriber, the beneficial effect that it brought is significant.
Description of drawings
Can understand the present invention best according to detailed description below in conjunction with accompanying drawing.It is emphasized that according to the standard practices in the industry various different parts are not drawn in proportion, and just are used for illustrated purpose.In fact, in order to make argumentation clear, can increase or reduce the quantity and the size of various parts arbitrarily.
Fig. 1 is the schematic block diagram of a kind of media file transmitting system of prior art;
Fig. 2 is the schematic block diagram based on the electronic newspaper transmission system of CMMB according to exemplary embodiment of the present invention;
Fig. 3 is the flow chart based on the electronic newspaper transmission method of CMMB according to exemplary embodiment of the present invention;
Fig. 4 is the schematic block diagram based on the electronic newspaper receiving terminal of CMMB according to exemplary embodiment of the present invention;
Fig. 5 is the flow chart based on the electronic newspaper method of reseptance of CMMB according to exemplary embodiment of the present invention;
Fig. 6 is the start flow chart according to the electronic newspaper receiving terminal of exemplary embodiment of the present invention; And
Fig. 7 is the newspaper reception flow chart according to the electronic newspaper receiving terminal of exemplary embodiment of the present invention.
Embodiment
Fig. 2 is the schematic block diagram based on the electronic newspaper transmission system of CMMB according to exemplary embodiment of the present invention.As shown in Figure 2, the invention provides a kind of electronic newspaper transmission system based on CMMB, be used for carrying out big file push to large-capacity user, comprise: content service provider (CP/SP) administration module, be used for received content provider and service provider's at least one access application, among content supplier and the service provider at least one managed; Content managing module communicates with content service provider administration module, is used for received content provider and service provider's at least one content distributed, manages content distributed; Broadcast administration module, communicate, be used for broadcasting of product managed with content managing module; The management by synchronization module communicates with broadcasting administration module, is used for managing synchronously transfer of data; Data forwarding module (containing encoder, ESG, Radio Data System) is used for and will be forwarded to the CMMB multiplexer through data in synchronization; The CMMB multiplexer is used for the data from data forwarding module are sent to the CMMB radio network; And the CMMB radio network, be used to carry out CMMB broadcasting.
Preferably, the CP/SP administration module further comprises: the account management submodule, and at least one that is used for to content supplier and service provider distributed predetermined number of the account; Professional application submodule, the CP/SP that is assigned predetermined number of the account is via professional application submodule application corresponding business and submit enterprise qualification, authorization message to; And insert the audit submodule, be used for the information of being submitted to is examined, and reach the standard grade or freeze and operate.
Preferably, content managing module further comprises: source material storehouse submodule is used to store the original electron content of newspaper that CP/SP uploads through the FTP mode; The commercialization submodule is used for the original electron content of newspaper that source material storehouse submodule is stored is carried out commercialization, subpackage compression, uploads the broadcasting system operation; The content auditing submodule is used to check the newspaper layout through commercialization, to carry out content auditing; And the content transformation engine submodule, be used for coming newspaper layout is carried out form and size conversion according to commercialization and subpackage compression parameters, be suitable for the page that terminal is browsed with generation.
Preferably, broadcast administration module and further comprise: newspaper management submodule, the CP/SP with authority is via the new newspaper business of newspaper management submodule application; Management of product submodule is used for one or more newspapers are made up, to be configured to a product; Broadcast the management submodule, be used for the product that is configured is broadcast setting and management; And the system management submodule, be used to dispose and being connected of data broadcasting, the overall situation is broadcast parameter, newspaper electron service instruction ESG information issues through data broadcasting connection.
Preferably, the management by synchronization module further comprises: ESG management by synchronization submodule, and be used for the electronic newspaper of predetermined amount of time being pushed time, title, brief introduction and send to the ESG system according to Broadcast Control tabulation, synchronous to carry out ESG; Data broadcasting management by synchronization submodule is used for transmitting via the FTP mode data of newspaper data and Radio Data System, and is synchronous to carry out data broadcasting; And encoder management by synchronization submodule, the encoder timing switch configuration that is used for forming according to newspaper arranging service information sends to encoder, and is synchronous to carry out encoder.
Preferably, data forwarding module further comprises: the ESG submodule is used for showing to the user content type of e commerce transactions; Encoder sub-module is used to realize the automatic switch of encoder; And the data broadcasting submodule, be used for carry out the Broadcast Control management through the content of layout and audit.
Preferably, the data broadcasting submodule further comprises: the file generator communicates with the data broadcasting submodule; The extensible protocol wrapper communicates with the CMMB multiplexer; Scrambler is arranged between file generator and the extensible protocol wrapper, be used to receive by the business datum of file generator input and with control word CW scrambling after the CPE wrapper is transferred to the CMMB multiplexer.
Fig. 3 is the flow chart based on the electronic newspaper transmission method of CMMB according to exemplary embodiment of the present invention.As shown in Figure 3, the present invention also provides a kind of electronic newspaper transmission method based on CMMB, is used for carrying out big file push to large-capacity user, may further comprise the steps: S301, receive the access application of CP/SP, and CP/SP is managed; S303 receives the content distributed of CP/SP, manages content distributed; S305 manages broadcasting of product; S307 is to managing synchronously of transfer of data; S309 will be forwarded to the CMMB multiplexer through data in synchronization; S311 is sent to the CMMB radio network by the CMMB multiplexer with the data through transmitting; And S313, by the CMMB radio network data that are sent to the CMMB radio network are carried out CMMB broadcasting.
Preferably, among content supplier and the service provider at least one managed further comprise: distribute predetermined number of the account to CP/SP; The CP/SP that is assigned predetermined number of the account is via professional application submodule application corresponding business and submit enterprise qualification, authorization message to; And the information of being submitted to examined, and reach the standard grade or freeze operation.
Preferably, content distributed managing further comprised: the original electron content of newspaper that storage CP/SP uploads through the FTP mode; The original electron content of newspaper of storing in the submodule of source material storehouse is carried out commercialization, subpackage compression, uploads the broadcasting system operation; Check newspaper layout, to carry out content auditing through commercialization; And come newspaper layout is carried out form and size conversion according to commercialization and subpackage compression parameters, be suitable for the page that terminal is browsed with generation.
Preferably, broadcasting of product managed further comprise: the CP/SP with authority is via the new newspaper business of newspaper management submodule application; One or more newspapers are made up, to be configured to a product; The product that is configured is broadcast setting and management; And being connected of configuration and data broadcasting, the overall situation is broadcast parameter, newspaper electron service instruction ESG information issues through data broadcasting connection.
Preferably, managing further synchronously of transfer of data comprised: according to Broadcast Control tabulation the electronic newspaper of predetermined amount of time is pushed time, title, brief introduction and send to the ESG system, synchronous to carry out ESG; Data broadcasting management by synchronization submodule is used for transmitting via the FTP mode data of newspaper data and Radio Data System, and is synchronous to carry out data broadcasting; And encoder management by synchronization submodule, the encoder timing switch configuration that is used for forming according to newspaper arranging service information sends to encoder, and is synchronous to carry out encoder.
Fig. 4 is the schematic block diagram based on the electronic newspaper receiving terminal of CMMB according to exemplary embodiment of the present invention.As shown in Figure 4, the invention provides a kind of electronic newspaper receiving terminal based on CMMB, comprise: demultiplexing module, be used for giving real-time clock RTC synchronously with the CMMB system time, electron service instruction ESG information is sent to the ESG processing module, and the extensible protocol encapsulation of data that receives is transferred to download manager; The ESG processing module is used for extracting the business guide of electronic newspaper and representing to the user from ESG; Download manager is used for carrying out downloading task according to downloading planning chart; The CA descrambling module, the data decryption through scrambling that is used for receiving becomes discernible clear data; And the electronic newspaper read module, be used for showing clear data to the user.
Preferably, also comprise: RTC is used to receiving terminal that real-time clock is provided.
Preferably, also comprise: subscribe to/cancel subscriptions module, be used for the business that the user subscribes to is subscribed to control, wherein, the download planning chart is formed by receiving terminal after using the user and subscribing to/cancel subscriptions module.
Preferably, also comprise: file system, be used for to the file that receiving terminal receives preserve, open, duplicate, deletion action.
Fig. 5 is the flow chart based on the electronic newspaper method of reseptance of CMMB according to exemplary embodiment of the present invention.As shown in Figure 5, the invention provides a kind of electronic newspaper method of reseptance based on CMMB, comprise: S501, the information that receives from the CMMB broadcast channel is carried out demultiplexing to be handled, give real-time clock RTC synchronously with the CMMB system time, electron service instruction ESG information is sent to the ESG processing module, and the extensible protocol encapsulation of data that receives is transferred to download manager; S503, use ESG processing module is extracted the business guide of electronic newspaper and is represented to the user from ESG; S505 carries out downloading task according to downloading planning chart; S507 becomes discernible clear data with the data decryption through scrambling that receives; And S509, show clear data to the user.
Preferably, also comprise: for receiving terminal provides real-time clock.
Preferably, also comprise: the business that the user subscribes to is subscribed to control, and wherein, downloading planning chart is the user business of subscribing to be subscribed to the control back to form.
Preferably, also comprise: to the file that receiving terminal receives preserve, open, duplicate, deletion action.
Below, we will be described such scheme in more detail, and will be open more completely so that the technology that the present invention relates to is carried out.
Mobile Multimedia Broadcasting electronic newspaper operation system structure as shown in Figure 2.
The electronic newspaper operation system comprises front end system and terminal system.
The electronic newspaper front-end platform is mainly finished management, resource storage, commercialization, content conversion and audit, the Product Definition that with the electronic newspaper business is the CP/SP at center, is broadcast management such as setting and transmission.The electronic newspaper service supporting platform mainly comprises the CP/SP management, and Content Management is broadcast management, management by synchronization.The wherein template construct of Content Management, Edition Contains and examine two modules and push professional expanded functions for supporting other.
Whether the electronic newspaper service terminal is the electronic newspaper business by the business that determines of the identification to the contentclass in the ESG information (classifying content) field, triggers automatically in the corresponding time according to the electronic newspaper business guide information and downloads the electronic newspaper data.
Simultaneously this system can expand to the support to more propelling movement business forms, be implemented in the audio frequency and video channel when idle front end push other CMMB value-added services, terminal can be discerned, accurately receive and call corresponding engine and show.Front end system passes through configure multiplexer, the same serviceID of the professional use of electronic newspaper data service and video class, management by synchronization interface control audio/video coder shuts down automatically at empty lots, realizes that so promptly professional some time period multiplex of video class is to the electronic newspaper data service.
The electronic newspaper service supporting platform
The CP/SP management system
Account management:
The definition number of the account is distributed to CP/SP; After CP/SP obtains account and password, but login system is submitted company information to; System can be at account, redistribute management such as definition, initialization, time-out, deletion.
Professional application:
The CP/SP that possesses the account authority can apply for corresponding service, submits information such as enterprise relevant qualification, mandate and resource to.
Insert audit:
The information of submitting at CP/SP such as examines, reaches the standard grade, freezes at operation.
CP/SP system after audit is passed through will distribute account and interface, provide CP/SP to upload company information, application newspaper business and content information.
Content Management System
Content Management System has the resource file (newspaper office is to PDF or the counter XML file bag of separating back output of PS file) that receives CP/SP and upload, functions such as source material library management, the management of product, content first trial, content transformation engine.
The source material storehouse:
The CP/SP that possesses the issue authority can upload to the source material storehouse with the original electron content of newspaper after counter the separating by the FTP mode;
Can be according to the CP name query, show CP relevant information, complete uploading system the total issue of newspaper, the issue after the commercialization, can click the tabulation that enters its all newspapers.
Can inquire about the tabulation of the original newspaper resource that CP uploaded according to issue, and can check each issue issue of a newspaper issue, space of a whole page quantity, uplink time, can enter space of a whole page tabulation, show the layout information (the news number that space of a whole page title, each space of a whole page comprise etc.) of this phase newspaper.
The commercialization management:
Newspaper to the source material storehouse carries out commercialization, operations such as broadcasting system are compressed, uploaded in subpackage.
Commercialization:,, generate the browsable html page of terminal according to the default resolution (such as 480px*780px) that is provided with by the content translation engine at each issue newspaper.
Subpackage compression: according to the attribute that sets (for example: each subpackage size＜300K, file number＜30 in each subpackage), the All Files of the first phase newspaper after the commercialization is divided into a plurality of catalogues automatically, is compressed into a plurality of minutes compressed packages then.
Can be according to the CP name query, show the total issue of newspaper, the issue after the commercialization, width of CP relevant information, complete uploading system, highly, the subpackage parameter, the issue after the commercialization can be clicked and enter commercialization process and subpackage compression.
Can carry out the parameter setting of commercialization, subpackage compression: resolution (width, highly, the file number upper limit, subpackage maxsize in the subpackage).
Can inquire about the CP tabulation of the newspaper after the commercialization according to issue, but the newspaper page after the preview commercialization.
The content first trial:
Can check and realize the function of content preliminary audit survey in the space of a whole page after the commercialization.
The content translation engine:
Automatically finish according to commercialization subpackage compression parameters a newspaper is carried out the conversion of page formatting and size, output meets the browsable html page of mobile phone terminal.
Interface function with broadcasting system:
Finish the resources bank that the content of newspaper after commercialization, the subpackage compression is uploaded to broadcasting system.
Broadcast management system
Broadcast the newspaper resource after the conversion processing that management system is responsible for receiving and the memory contents management system is submitted to, to content of newspaper manage, Product Definition, the newspaper resource in the product bag is carried out the definition of priority level, pack and successfully examine examination, the task layout, issue, the management of product.
The newspaper management:
One tame CP/SP (for example: a plurality of newspapers can be arranged newspaper office);
Have authority CP/SP (for example: newspaper office) login after can apply for new newspaper business, fill in title, classification (newspaper or magazine), the cycle (is unit with the sky) of newspaper business, newspaper business description etc.
Resource file after the commercialization of memory contents management platform, electronic newspaper file for example can carry out additions and deletions at the information of electronic newspaper resource and change and look into backup and recovery etc.
Content Management:
Mainly finish management function through each issue content of newspaper resource after the conversion process;
The content of newspaper that Content Management System is uploaded by FTP (warehouse-in) carries out preview, and content is examined, by after carry out in-stockroom operation.
Can not broadcasting of unauthorized, the unsanctioned content of audit.
Can according to do not put in storage, put in storage, delete, classification, newspaper office, uplink time, state etc. inquire about and represent content name, newspaper title, content size, phase number of the edition, content information such as whether put in storage.
But the particular content of preview newspaper;
The management of product:
Product is meant a newspaper or a plurality of newspaper is made up, the least unit of service is provided for the user.
Finish the definition of new product, be product configuration newspaper: a product can comprise a plurality of newspapers.
Broadcast management:
Mainly finish the management function of broadcasting to the product that disposes newspaper:
The list information of broadcasting that can show all products same day: name of product, broadcast the period, broadcast duration, broadcast state (send, send, etc. to be sent), and can carry out the product load operation;
Product loads: the setting that the broadcasting content on product same day was loaded and broadcast parameter;
Show that current production comprised warehousing quantity, the state of newspaper the same day, preferentially select current production to comprise the what be new on the same day of newspaper,, can show that up-to-date a few phase content is for user's manual loading if there is not up-to-date content on the same day;
Existing procucts are broadcast setting:
Set the time started that this product was broadcast the same day;
The newspaper that comprises with product is the parameter-definition that unit broadcasts:
The order of can broadcast number of times (for example 1: broadcasting sequence is 12345,2: broadcasting sequence is 1122334455) to subpackage, broadcast the cycle (number of times that a newspaper is broadcast), redundancy time (second), playing newspaper is set.
Can show newspaper title, phase number of the edition, type that current production comprises newspaper and obtain after the calculation of parameter according to broadcasting of setting, broadcast duration, subpackage situation, concluding time of broadcasting the time started, broadcasting.
Can show that entire product broadcasts the time of finishing.
System management:
1) finish the configuration feature that is connected with data broadcasting:
Service identification (for example: 2002), the IP address of data broadcasting, port, FTP number of the account, password;
2) finish the configuration feature that the overall situation is broadcast parameter:
The size of FAT file (K), FAT file transmission frequency (second), LGDC coding (%), broadcast the bandwidth setting, broadcast mode (repetitive mode/sequential system), broadcast cycle, time redundancy setting (second);
3) finish the connection configuration feature that electronic newspaper ESG information issues by data broadcasting
The IP address of data broadcasting, port, FTP number of the account, password;
Generate electronic newspaper ESG information:
Generate electronic newspaper ESG information according to Broadcast Control tabulation: ContentAux.xml and ScheduleAux.xml, and be submitted to data broadcast platform and issue.
The management by synchronization system
Management by synchronization (second phase realization) with ESG:
By the http+xml mode, according to Broadcast Control tabulation, realize that the electronic newspaper of section pushes business information such as time, title, brief introduction sometime to issue the ESG system, realize synchronously.
Management by synchronization with data broadcast platform:
Realize transfer of data by the FTP mode with electronic newspaper data and Radio Data System.
Management by synchronization with encoder:
Realize and to give encoder according to the encoder timed power on/off configuration synchronization that electronic newspaper arranging service information forms by the HTTP mode.
The ESG expansion:
Terminal can be distinguished according to the classification content of ContentClass, to satisfy the definition at the electronic newspaper business.
ContentClass is defined as follows:
Multipart represents compound content, comprise other value-added services such as electronic newspaper, professional specific object (for example: type of service, resolution describe at the expansion of content message file ContentAux.xml of ESG, instructs the terminal self adaptation to show by) configuration information.
ESG expansion of content information:
The ContentAux.xml syntactic definition is as follows, example:
Wherein, the syntactic description semanteme is as follows:
Need new data type of definition ESG: 0110, the expansion of content fileinfo is defined as ContentAux.xml.
Note: in the electronic newspaper business, ContentID refers to a concrete electronic newspaper product IDs, such as: excellent newspaper business is as a product, this newspaper product comprises several parts of newspapers, every part of newspaper can be divided into a plurality of subpackages again, and what each ContentInfo element was described so is exactly the attribute of every part of content of newspaper bag.
ESG layout extend information:
Increase an ESG layout extend information file, (for example: arrangement information electronic newspaper), terminal regularly starts downloading task according to this table to integrate the description value-added service.Need new data type of definition ESG: 0111, the layout extend information is defined as ScheduleAux.xml.The organization definition of ScheduleAux.xml is equal to the structure of arrangement information Schedule.xml.
See also " GY/T 220.3-2007 Mobile Multimedia Broadcasting the 3rd part: electron service instruction " 6.5 chapters and sections.
The ESG data type increases redetermination:
| Value (b3b2b1b0) | Type |
| 0000 | Keep |
| 0001 | Business information |
| 0010 | Professional extend information |
| 0011 | Arrangement information |
| 0100 | Content information |
| 0101 | Business parameters data |
| 0110 | Expansion of content information |
| 0111 | The layout extend information |
| 1110-1111 | Keep |
Electronic newspaper ESG information generates and issues:
Electronic newspaper ESG information is made up of two files: ContentAux.xml and ScheduleAux.xml, because temporarily can't be compatible after most of old terminal is expanded ESG at present, electronic newspaper ESG information is generated by the professional Broadcast Control management platform of electronic newspaper, issued by data broadcast platform in advance, terminal receives and resolves.
The encoder expansion:
Realize encoder timed power on/off configuration feature:
1) human configuration
Encoder provides the timed power on/off configuration interface, the switching on and shutting down time manually is set, reaches the rule application cycle;
2) import automatically
Interface according to encoder provides imports the configuration of encoder switching on and shutting down time by the management by synchronization module.
Radio Data System:
The CMMB Radio Data System is that a CMMB data broadcast service is broadcast controlling platform, being used for content that CMS layout audit passes through or other uses the upper strata content and carries out the Broadcast Control management, mainly comprise data broadcast files generator is opened and closed management, to XPE (extensible protocol encapsulation) packaging machine opening and closing management etc.The scrambling of electronic newspaper business is encrypted and is finished jointly by Radio Data System, scrambler, cas system.Scrambler receives the business datum by the input of file generator, with exporting to multiplexer after the control word CW scrambling.Scrambler sends control word the ECMG of condition receiving system CAS to simultaneously, returns to scrambler after generating ECM by ECMG.The synchronizing traffic data of scrambler after with ECM data and scrambling exported to multiplexer.
Terminal platform
Terminal structure
Electronic newspaper service terminal platform is finished reception to CMMB electronic newspaper business, handles and is represented, and the user obtains the electronic newspaper service that the CMMB data broadcasting provides by this terminal system.Terminal system mainly comprises demultiplexing module, ESG processing module, RTC, subscribing module, download manager, CAS descrambler, file system, electronic newspaper read module.
For the satisfied user intervention that need not gets final product automatic reception electronic newspaper data, terminal need dispose built-in aerial.
Electronic newspaper service terminal structure as shown in Figure 4.
Demultiplexing module
The function of demultiplexing module is as follows:
-give RTC the CMMB system time synchronously when starting the CMMB module at every turn
-ESG information is passed to the ESG processing module
-receive the XPE/XPE-FEC data (receive the data of a plurality of channels simultaneously, the second phase realizes) of respective channel, and pass to downloader
The ESG processing module
ESG treatment conditions at the electronic newspaper business: contentclass is that the MIME_type among Multipart and the ContentAux.xml is newspaper.
The ESG processing module is extracted the business guide of electronic newspaper from electron service instruction, and represents to the user.In order to guarantee that terminal normally uses the electronic newspaper business, terminal need have manual extraction and upgrade electronic newspaper business guide function automatically.Manual extraction is meant that when the user clicked the ESG function, terminal was upgraded the ESG of all programs, and forms the electronic newspaper business guide.Automatically renewal then requires terminal to start shooting or when entering the CMMB module, the ESG of all programs is upgraded on the backstage automatically, and forms the electronic newspaper business guide at every turn.
Terminal represents: newspaper title, zero-time, duration, channel designation.
RTC
No matter the RTC unit under start or off-mode, provides real-time clock to terminal.
For guaranteeing that timing data receives task and can start on time, clock synchronization module will be when starting the CMMB module, with the system time information synchronization among the TS0, in order to calibrate the clock of this machine at every turn; If because of network problem is not received CMMB system time information, be benchmark then with current machine time.
Subscribe to/cancel subscriptions module
Subscribing to/cancel subscriptions module realizes the business that the user has ordered is carried out detailed subscription control.
Subscribe to/cancel subscriptions module and obtain professional essential information, and be shown to the user, select to be provided with for the user from " electronic newspaper business guide " file.
After the user uses this module, terminal will form one " download planning chart " and specify the moment to receive certain data content with designation data receiving management device.
" download planning chart " is defaulted as whole subscription (first phase realization).
Download manager
Download manager module is responsible for finishing according to " download planning chart " the automatic download of content file, and downloading process need not user's intervention.The downloading task administration module can form a series of timing downloading task according to downloading planning chart, and the downloading task administration module can regularly call the downloader module and carry out a down operation for each timing downloading task.
The timed power on/off control module is according to the zero-time of the downloading task next time that will carry out, to system clock RTC unit (ONU) registration Auto On Time.When this arrived constantly, the RTC unit activated the downloading task administration module with the control terminal backstage, and then started once timing downloading task.After the download task was finished, downloader notice downloading task manager was downloaded and is finished, and the downloading task manager cuts out electronic newspaper and receives correlation module and get back to current state, to reduce the power consumption of terminal.Whether Auto Power On receives the electronic newspaper business datum under the off-mode, and the user can select voluntarily, is defaulted as to enable the Auto Power On receiving function.
The downloader module is responsible for the once specific down operation of actual execution.The reduction of data that demultiplexing module will receive from the CMMB channel is the XPE/XPE-FEC data, XPE file receiver module calls CA descrambler module descrambling, and responsible XieXPEBao forms file sheet and blocks of files, the file concatenation module is spliced into complete file with blocks of files, under the control of document storage management module, store in the file system of terminal, and the prompting user has finished receiving data (if be off-mode, then do not point out, prompting after waiting to start shooting), the packet title that need contain reception in the information, the user clicks＜checks〉enter the reception file directory, the user clicks＜returns〉get back to current application.
The CA descrambling module
The CA descrambling is the process that the data decryption with scrambling becomes the clear data that terminal can discern.CA descrambling data flow process is as follows:
1) the terminal data processing module is reduced to the XPE packet according to the data that receive
2) the terminal data processing module pushes complete scrambling AU data cell to the CA descrambling module
3) the CA descrambling module extracts CW according to ECM information;
4) the CA descrambling module uses CW that the payload of AU data cell is carried out descrambling;
5) payload data of CA descrambling module after with descrambling is pushed to the terminal data processing module
6) the terminal data processing module sends to application module with payload data.
The electronic newspaper read module
The electronic newspaper read module need be supported CML, txt, epub form at least.
File system
File system has functions such as file is preserved, opens, duplicated, deletion.
The starting up of terminal flow process as shown in Figure 6, newspaper receives flow process as shown in Figure 7.
Terminal receives strategy
1) terminal receives after the main.xml at every turn, checks the file number percentage in the specified folder one time, if receive more than 95% number, next bag does not just receive, and moves to the professional respective directories of electronic newspaper from temporary folder.
2) terminal obtains regularly time of reception from the ScheduleAux of ESG, receive all the time in newspaper transmitting time section, and in order to guarantee the complete reception of newspaper, 5 minutes in advance, reception in 5 minutes lags behind.
3) for the ESG that guarantees to upgrade can in time receive, in the time period that does not receive newspaper, startup in per 2 hours receives an ESG.
4) for the ESG that guarantees to upgrade can in time receive, when electronic newspaper started and withdraws from (ESG end), each received an ESG (the search frequency receives ESG).
5) for avoiding newspaper to repeat to receive, by checking ContentID, judge whether certain part of newspaper once received in the ScheduleAux.xml of ESG file, in case received, no matter whether the user deletes this newspaper, does not repeat to receive power saving.The newspaper and the magazine that send have forms such as daily magazine, weekly and monthly magazine.
6) information disappears after by any key.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the electronic newspaper receiving terminal based on CMMB is characterized in that, comprising:
Demultiplexing module is used for giving real-time clock RTC synchronously with the CMMB system time, electron service instruction ESG information is sent to the ESG processing module, and the extensible protocol encapsulation of data that receives is transferred to download manager;
Described ESG processing module is used for extracting the business guide of electronic newspaper and representing to the user from ESG;
Described download manager is used for carrying out downloading task according to downloading planning chart;
The CA descrambling module, the data decryption through scrambling that is used for receiving becomes discernible clear data; And
The electronic newspaper read module is used for showing described clear data to the user.
2. electronic newspaper receiving terminal according to claim 1 is characterized in that, also comprises:
Described RTC is used to described receiving terminal that real-time clock is provided.
3. electronic newspaper receiving terminal according to claim 1 and 2 is characterized in that, also comprises:
Subscribe to/cancel subscriptions module, be used for the business that the user subscribes to is subscribed to control,
Wherein, described download planning chart is formed by described receiving terminal after the user uses the described subscription/module that cancels subscriptions.
4. electronic newspaper receiving terminal according to claim 3 is characterized in that, also comprises:
File system, be used for to the file that described receiving terminal receives preserve, open, duplicate, deletion action.
5. the electronic newspaper method of reseptance based on CMMB is characterized in that, comprising:
The information that receives from the CMMB broadcast channel is carried out demultiplexing to be handled, give real-time clock RTC synchronously with the CMMB system time, electron service instruction ESG information is sent to the ESG processing module, and the extensible protocol encapsulation of data that receives is transferred to download manager;
Use described ESG processing module from ESG, to extract the business guide of electronic newspaper and represent to the user;
Carry out downloading task according to downloading planning chart;
The data decryption through scrambling that receives is become discernible clear data; And
Show described clear data to the user.
6. electronic newspaper method of reseptance according to claim 5 is characterized in that, also comprises:
For described receiving terminal provides real-time clock.
7. according to claim 5 or 6 described electronic newspaper method of reseptances, it is characterized in that, also comprise:
The business that the user subscribes to is subscribed to control,
Wherein, described download planning chart is the user business of subscribing to be subscribed to the control back to form.
8. electronic newspaper method of reseptance according to claim 7 is characterized in that, also comprises:
To the file that described receiving terminal receives preserve, open, duplicate, deletion action.
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| CN 201110070906 CN102158754B (en) | 2011-03-22 | 2011-03-22 | Electronic newspaper receiving terminal and method based on CMMB (China Mobile Multimedia Broadcasting) |
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| CN102158754B (en) | 2013-06-19 |
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