CN103490809A - Satellite data transmission system - Google Patents
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- CN103490809A CN103490809A CN201310397257.0A CN201310397257A CN103490809A CN 103490809 A CN103490809 A CN 103490809A CN 201310397257 A CN201310397257 A CN 201310397257A CN 103490809 A CN103490809 A CN 103490809A
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Abstract
The invention discloses a satellite data transmission system. The satellite data transmission system comprises a leading end system, a satellite and a terminal system, wherein the leading end system comprises a leading end content type-in module, a leading end content processing module and a leading end pushing device; the terminal system comprises a terminal receiving device and a terminal content processing module; the leading end content processing module comprises an ID generating module; the terminal content processing module comprises an ID matching module, a storage module and a first terminal content setting module; the ID generating module generates a random ID property and a fixed ID property according to content data, and the content data having the fixed ID property are forcedly retained data; the first terminal content setting module sets the forcedly retained data, and when the forcedly retained data are deleted or changed, the terminal system does not allow the operation to be conducted. The fixed ID property is set for the important content data through a leading end, the important content data are prevented from being deleted form terminal equipment freely, and safety of the content data is improved.
Description
Technical field
The present invention relates to the satellite information transmission technique field, particularly relate to a kind of satellite data transmission system.
Background technology
At present, use ICBM SHF satellite terminal to receive, play and store TV or broadcast program becomes a kind of trend, be directly to deliver the distribution service of the digital products such as phonotape and videotape, electron reading, game, software, industry Zone Information with satellite network to the user terminal with reception and ability to play, and carry out copyright authentication and management when the user uses.
Satellite to the delivery distribution process of user terminal is: by the digital publication of legal publication, after treatment, deliver and store user's receiving terminal into via satellite, the user is by the equipment browses such as computer, video screen, portable terminal device application.Satellite digital distribution has that wide coverage, propagation velocity are fast, the content quality high, after certainly releasing, receives very big concern in the industry, has opened the brand-new visual field in digital publishing field.
Current user terminal is preserved the data that receive, if storage is full, automatically deletes data the earliest, adopt the principle save data of first in first out, or the user regularly deletes some unwanted data messages according to the needs of oneself.That is to say, current user terminal is fully by user's Self-operating.The information that headend equipment can not will push it is effectively protected, and the user can arbitrarily delete unwanted information, due to the user, to not the understanding or data that some other need to be preserved of system, after being deleted by the user, affects the performance of system.Such as one section advertisement video is arranged in the program handoff procedure, front end pushes once and no longer pushes, and in the process of program switching, needs a period of time, and system is play this section advertisement video automatically, if, after destroyed or deletion, terminal equipment can not normally move.
Therefore exist following not enough: the significant data that headend equipment can not push it is effectively protected; terminal can arbitrarily be deleted some need to force the data that retain; after these data are deleted, can affect the performance of system or affect the application of terminal equipment.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of satellite data transmission system, has solved the significant data that headend equipment can not push it and has effectively protected, and prevents that terminal from arbitrarily deleting the technical problem that needs to force the data that retain.
To achieve these goals, the invention provides a kind of satellite data transmission system, comprise front end system, satellite and terminal system, described front end system comprises the front end content typing module of the content-data that will push for typing, for front end content processing module that described content-data is processed with for pushing the front end pusher of described content-data; Described terminal system comprises terminal receiving system for receiving described content-data and for the treatment of the terminal content processing module of described content-data; Described content-data is pushed to the receiving system of described satellite by described front end pusher, then by the supplying system of described satellite, be pushed to described terminal receiving system; Wherein, described front end content processing module comprises spectrum allocation may module for generating the frequency spectrum that pushes described content-data and for the ID generation module of the ID attribute that generates described content-data; Described terminal content processing module comprises that the ID matching module that the ID attribute by mating described content-data comes selectivity to receive the content-data of described terminal system needs arranges module with the memory module of the described content-data of storage and the first terminal content that described content-data is reset; Described ID generation module generates random ID attribute and fixing ID attribute according to the requirement of described content-data, and the described content-data with described random ID attribute is random data, has the described content-data of described fixedly ID attribute for forcing to retain data; Described first terminal content arranges module described pressure reservation data is arranged, and when described pressure reservation data are deleted or change, makes terminal system not allow the carrying out of this operation.
Further, described terminal content processing module also comprises the content feed module, and described front end system also comprises feedback processing modules;
Described content feed module: for described pressure is retained to data through described receiving system) and described supplying system feed back to described feedback processing modules, or feed back to described feedback processing modules for described pressure reservation data are passed through to network system;
Described feedback processing modules comprises the first feedback processing modules;
Described the first feedback processing modules judges whether the requirement of described pressure reservation data changes, if do not change, do not processed, if change, described feedback processing modules indicates described front end system or described front end content processing module again to push to have the described pressure of new ID attribute to retain in the described memory module of data replacement the described pressure of storing to retain data.
Further, described feedback processing modules also comprises the second feedback processing modules; Whether described the second feedback processing modules is consistent for quantity and the content that judges the described pressure reservation data that described pressure reservation data are stored with described front end system, if inconsistent, the described pressure of indicating described front end system or described front end content processing module again to push to store in described front end system retains data.
Further, described front end system comprises the first searching module, and described feedback processing modules comprises the 3rd feedback processing modules; Described the 3rd feedback processing modules is for judging that described pressure retains the quantity of data and content and whether is less than quantity and the content that described pressure that described front end system stores retains data, if be less than, described first finds the unnecessary described pressure reservation data that module is found out described front end system storage, indicates described front end system or described front end content processing module again to push described unnecessary described pressure and retains data.
Further, described front end system comprises the second searching module, and described feedback processing modules also comprises the 4th feedback processing modules; Described the 4th feedback processing modules is also for judging that described pressure retains the quantity of data and quantity and the content of the described pressure reservation data whether content stores more than described front end system, if more than, described second finds module finds out unnecessary described pressure reservation data, indicates the described unnecessary described pressure of described front end system or the storage of described front end content processing module to retain data.
Further, described memory module comprises pressure reserved area and random subregion; Described pressure retains data and is stored in described pressure reserved area.
Further, described pressure reserved area is divided into front end forces reserved area and terminal to force reserved area, described front end forces reserved area to retain data for storing described pressure, and described terminal forces reserved area to be used for the content-data that storage terminal equipment or user need to retain.
Further, described front end system also comprises the terminal request processing module; When the content-data in described terminal pressure reserved area need to be deleted or change, described terminal system sends request information through described receiving system and described supplying system to described terminal request processing module, and described terminal request processing module processes said request information also allows to delete the content-data in described terminal pressure reserved area after through checking;
Or when described terminal forces content-data in reserved area to delete or to change, described terminal system sends request information through network system to described terminal request processing module, and described terminal request processing module processes said request information also allows to delete the content-data in described terminal pressure reserved area after through checking.
Further, described terminal content processing module also comprises that the second terminal content arranges module, and described the second terminal content arranges module forces the content-data of reserved area to be fixed the ID setup of attribute for automatically described terminal equipment or user being put into to described terminal.
At least there is following technique effect in the embodiment of the present invention:
1) by front end, important content-data is arranged to fixedly ID attribute, prevent terminal equipment without the front end agreement and delete some important content data, the fail safe of the content-data that the raising front end pushes;
2) by partition holding is set, reminding user is forced the content-data unsuppressible-suppression of reserved area, and simultaneously, the content-data that the user need to retain can directly be put into and force reserved area to be retained, and does not need extra encryption, improves the convenience of user's operation;
3) detect and again push measure by feedback is set, reaching the purpose of force revert, having improved the fail safe of important content-data.
The accompanying drawing explanation
The system construction drawing that Fig. 1 is the embodiment of the present invention;
The system construction drawing that Fig. 2 is another embodiment of the present invention;
The system construction drawing that Fig. 3 is another embodiment of the present invention;
The system construction drawing that Fig. 4 is another embodiment of the present invention;
Reference numeral: front end system 100, front end content typing module 101, front end content processing module 102, spectrum allocation may module 1021, ID generation module 1022, front end pusher 103, feedback processing modules 104, the first feedback processing modules 1041, the second feedback processing modules 1042, the 3rd feedback processing modules 1043, the 4th feedback processing modules 1044, first finds module 105, second finds module 106, satellite 200, receiving system 201, supplying system 202, terminal system 300, terminal receiving system 301, terminal content processing module 302, ID matching module 3021, memory module 3022, the first terminal content arranges module 3023, content feed module 3024, the second terminal content arranges module 3025, force reserved area 320, front end is forced reserved area 3201, terminal is forced reserved area 3202, random subregion 321.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the present invention is clearer, below in conjunction with accompanying drawing, specific embodiment is described in detail.
The system construction drawing that Fig. 1 is the embodiment of the present invention, as shown in Figure 1, the embodiment of the present invention provides a kind of satellite data transmission system, comprise front end system 100, satellite 200 and terminal system 300, front end system 100 comprises the front end content typing module 101 of the content-data that will push for typing, for front end content processing module 102 that content-data is processed with for pushing the front end pusher 103 of content-data; Terminal system 300 comprises terminal receiving system 301 for receiving content-data and for the treatment of the terminal content processing module 302 of content-data; Content-data is pushed to the receiving system 201 of satellite 200 by front end pusher 103, then by the supplying system 202 of satellite 200, be pushed to terminal receiving system 301; Front end content processing module 102 comprises spectrum allocation may module 1021 for generating the frequency spectrum that pushes content-data and for the ID generation module 1022 of the ID attribute of generating content data; Terminal content processing module 302 comprises that the ID attribute by the matching content data comes the ID matching module 3021 of content-data of selectivity receiving terminal system 300 needs and the memory module 3022 of memory of content data and the first terminal content that content-data is reset that module 3023 is set; ID generation module 1022 generates random ID attribute and fixing ID attribute according to the requirement of content-data, and the content-data with random ID attribute is random data, has the content-data of fixing ID attribute for forcing to retain data; The first terminal content arranges 3023 pairs of modules forces the reservation data to be arranged, and when pressure reservation data are deleted or change, makes terminal system 300 not allow the carrying out of this operation.The content-data that front end pusher 103 pushes has the ID attribute, memory device stores has the ID attributes match identifier of the content-data that the terminal receiving device will accept, the content-data that only has the ID attribute be associated with the matching identification symbol just can be received by terminal receiving system 301, prevent that communication that information that some are unnecessary or user do not order is to terminal system 300, the space of occupied terminal system 300, affect the transmission speed of data etc.
By front end, important content-data is arranged to fixedly ID attribute, prevent terminal equipment without the front end agreement and delete some important content data, the fail safe of the content-data that the raising front end pushes.
According to the present invention, another embodiment is provided, as shown in Figure 2, terminal content processing module 302 also comprises content feed module 3024, front end system 100 also comprises feedback processing modules 104; Content feed module 3024 is for retaining pressure data process receiving system 201 and supplying system 202 or ground network system feedback to feedback processing modules 104; Feedback processing modules 104 comprises the first feedback processing modules 1041; Whether the first feedback processing modules 1041 judgements force the requirement that retains data to change, if do not change, do not processed, if change, feedback processing modules 104 indication front end systems 100 or front end content processing module 102 push the pressure reservation data that the pressure with new ID attribute retains storage in data replacement memory module 3022 again.Because content-data and attribute thereof are all changing constantly, system does not need to force by forcing to retain to become the content-data retained for some, upgraded in time, prevent from not needing to force the data that retain to occupy the memory space of forcing to retain data, also be convenient to the user and to not needing, force the data that retain to be operated early.
According to the present invention, another one embodiment is provided, as shown in Figure 3, terminal content processing module 302 also comprises content feed module 3024, front end system 100 also comprises feedback processing modules 104; Content feed module 3024 is for retaining pressure data process receiving system 201 and supplying system 202 or ground network system feedback to feedback processing modules 104; Front end system 100 also comprises the first searching module 105, and feedback processing modules 104 comprises the 3rd feedback processing modules 1043; The 3rd feedback processing modules 1043 forces to retain the quantity of data and quantity and the content of the pressure reservation data whether content is less than front end system 100 storages for judging, if be less than, first finds the unnecessary pressure reservation data that module 105 is found out front end system 100 storages, and indication front end system 100 or front end content processing module 102 again push unnecessary pressure and retain data.
In order to solve in a upper embodiment, need to force the terminal content loss of data retained, and need to resend all data, the present embodiment is found out the important content-data of loss, only again push the content-data of losing, can reduce like this and use the frequency that pushes use.
According to the present invention, another embodiment is provided, as shown in Figure 4, memory module 3022 comprises forces reserved area 320 and random subregion 321; Force to retain data and be stored in pressure reserved area 320.By subregion is set, can reminding user to forcing to retain the not operability of 320 content-data, improve the convenience of user's operation.Terminal system 300 as required, forcing reserved area 320 to be divided into front end, force reserved area 3201 and terminal to force reserved area 3202, front end forces reserved area 3201 to force to retain data for storing, and terminal forces reserved area 3202 to be used for the content-data that storage terminal equipment or user need to retain.Terminal content processing module 302 also comprises that the second terminal content arranges module 3025, the second terminal contents and module 3025 is set for automatically terminal equipment or user being put into to terminal, forces the content-data of reserved area 3202 to be fixed the ID setup of attribute.Front end system 100 also comprises the terminal request processing module, when the content-data in terminal pressure reserved area 3202 need to be deleted or change, terminal system 300 sends request information through receiving system 201 and supplying system 202 or ground network system to the terminal request processing module, and the terminal request processing module is processed solicited message and also after through checking, allowed to delete the content-data in terminal pressure reserved area 3202.
Because user or terminal system 300 also need to preserve the information that some can not be deleted, each user needs to carry out the setup of attribute operation, and in the present embodiment, the thing that the user preserves needs is put into and forced reserved area 320 to get final product, and casts out more loaded down with trivial details operation.
As from the foregoing, the embodiment of the present invention has following advantage:
1, by front end, important content-data is arranged to fixedly ID attribute, prevent terminal equipment without the front end agreement and delete some important content data, the fail safe of the content-data that the raising front end pushes;
2, by partition holding is set, reminding user is forced the content-data unsuppressible-suppression of reserved area, and simultaneously, the content-data that the user need to retain can directly be put into and force reserved area to be retained, and does not need extra encryption, improves the convenience of user's operation;
3, detect and again push measure by feedback is set, reaching the purpose of force revert, having improved the fail safe of important content-data.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a satellite data transmission system, comprise front end system (100), satellite (200) and terminal system (300), described front end system (100) comprises the front end content typing module (101) of the content-data that will push for typing, for front end content processing module (102) that described content-data is processed with for pushing the front end pusher (103) of described content-data;
Described terminal system (300) comprises terminal receiving system (301) for receiving described content-data and for the treatment of the terminal content processing module (302) of described content-data;
Described content-data is pushed to the receiving system (201) of described satellite (200) by described front end pusher (103), then by the supplying system of described satellite (202), be pushed to described terminal receiving system (301);
It is characterized in that,
Described front end content processing module (102) comprises spectrum allocation may module (1021) for generating the frequency spectrum that pushes described content-data and for the ID generation module (1022) of the ID attribute that generates described content-data;
Described terminal content processing module (302) comprises that the ID attribute by mating described content-data comes selectivity to receive the ID matching module (3021) of content-data of described terminal system (300) needs and the storage memory module (3022) of described content-data and the first terminal content that described content-data is reset module (3023) is set;
Described ID generation module (1022) generates random ID attribute and fixing ID attribute according to the requirement of described content-data, described content-data with described random ID attribute is random data, has the described content-data of described fixedly ID attribute for forcing to retain data;
Described first terminal content arranges module (3023) described pressure reservation data is arranged, and when described pressure reservation data are deleted or change, makes terminal system (300) not allow the carrying out of this operation.
2. satellite data transmission system according to claim 1, is characterized in that, described terminal content processing module (302) also comprises content feed module (3024), and described front end system (100) also comprises feedback processing modules (104);
Described content feed module (3024): feed back to described feedback processing modules (104) for described pressure is retained to data through described receiving system (201) and described supplying system (202), or feed back to described feedback processing modules (104) for described pressure is retained to data through network system;
Described feedback processing modules (104) comprises the first feedback processing modules (1041);
Described the first feedback processing modules (1041) judges whether the requirement of described pressure reservation data changes, if do not change, do not processed, if change, described feedback processing modules (104) indicates described front end system (100) or described front end content processing module (102) again to push to have the described pressure of new ID attribute to retain the described pressure of storage in the described memory module of data replacement (3022) to retain data.
3. satellite data transmission system according to claim 2, is characterized in that, described feedback processing modules (104) also comprises the second feedback processing modules (1042);
Whether described the second feedback processing modules (1042) is consistent with quantity and content that the described pressure of described front end system (100) storage retains data for judging that described pressure retains data, if inconsistent, indicate described front end system (100) or described front end content processing module (102) again to push the described pressure of storage in described front end system (100) and retain data.
4. satellite data transmission system according to claim 2, is characterized in that, described front end system (100) also comprises the first searching module (105), and described feedback processing modules (104) comprises the 3rd feedback processing modules (1043);
Described the 3rd feedback processing modules (1043) retains the quantity of data and quantity and the content of the described pressure reservation data whether content is less than described front end system (100) storage for judging described pressure, if be less than, described first finds the unnecessary described pressure reservation data that module (105) is found out described front end system (100) storage, indicates described front end system (100) or described front end content processing module (102) again to push described unnecessary described pressure and retains data.
5. according to the described satellite data transmission system of claim 2 or 4, it is characterized in that, described front end system (100) comprises the second searching module (106), and described feedback processing modules (104) also comprises the 4th feedback processing modules (1044);
Described the 4th feedback processing modules (1044) retains the quantity of data and quantity and the content of the described pressure reservation data whether content stores more than described front end system (100) for judging described pressure, if more than, described second finds module (106) finds out unnecessary described pressure reservation data, indicates described front end system (100) or described front end content processing module (102) to store described unnecessary described pressure and retains data.
6. satellite data transmission system according to claim 1, is characterized in that, described memory module (3022) comprises forces reserved area (320) and random subregion (321); Described pressure retains data and is stored in described pressure reserved area (320).
7. satellite data transmission system according to claim 6, it is characterized in that, described pressure reserved area (320) is divided into front end forces reserved area (3201) and terminal to force reserved area (3202), described front end forces reserved area (3201) to retain data for storing described pressure, and described terminal forces reserved area (3202) to be used for the content-data that storage terminal equipment or user need to retain.
8. satellite data transmission system according to claim 7, is characterized in that, described front end system (100) also comprises the terminal request processing module; When the content-data in described terminal pressure reserved area (3202) need to be deleted or change, described terminal system (300) sends request information through described receiving system (201) and described supplying system (202) to described terminal request processing module, and described terminal request processing module processes said request information also allows to delete the content-data in described terminal pressure reserved area (3202) after through checking;
Or when described terminal forces content-data in reserved area (3202) to delete or to change, described terminal system (300) sends request information through network system to described terminal request processing module, and described terminal request processing module processes said request information also allows to delete the content-data in described terminal pressure reserved area (3202) after through checking.
9. satellite data transmission system according to claim 7, it is characterized in that, described terminal content processing module (302) also comprises that the second terminal content arranges module (3025), and described the second terminal content arranges module forces the content-data of reserved area (3202) to be fixed the ID setup of attribute for automatically described terminal equipment or user being put into to described terminal.
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| CN201310397257.0A CN103490809B (en) | 2013-09-04 | 2013-09-04 | A kind of satellite data transmission system |
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| CN201310397257.0A CN103490809B (en) | 2013-09-04 | 2013-09-04 | A kind of satellite data transmission system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825645B (en) * | 2014-02-26 | 2017-06-06 | 航天数字传媒有限公司 | A kind of satellite digital service data transmission method and system |
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| US7111057B1 (en) * | 2000-10-31 | 2006-09-19 | Akamai Technologies, Inc. | Method and system for purging content from a content delivery network |
| CN101867613B (en) * | 2010-06-08 | 2014-12-17 | 中兴通讯股份有限公司 | Content delivery CDN sub system and data synchronization method |
| CN103051732A (en) * | 2013-01-18 | 2013-04-17 | 上海云和信息系统有限公司 | Cloud computation system for realizing automatic data pushing and distributing function and automatic pushing method |
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| JPH1056416A (en) * | 1996-08-07 | 1998-02-24 | Nippon Telegr & Teleph Corp <Ntt> | Satellite communication system |
| CN1402938A (en) * | 1999-11-05 | 2003-03-12 | 株式会社电通 | TV apparatus for storage broadcasting information display, distributing device, and information distribution method |
| CN1537278A (en) * | 2001-07-31 | 2004-10-13 | ��ʽ���簢��� | Content providing system, method, program, and computer-readable recording medium |
| CN1991870A (en) * | 2005-12-28 | 2007-07-04 | 株式会社Pfu | Preventing method and preventing system for data deletion |
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| CN103825645B (en) * | 2014-02-26 | 2017-06-06 | 航天数字传媒有限公司 | A kind of satellite digital service data transmission method and system |
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