CN107070535A - A kind of method that global Incorporate satellite broadcast service is provided - Google Patents
A kind of method that global Incorporate satellite broadcast service is provided Download PDFInfo
- Publication number
- CN107070535A CN107070535A CN201710107642.5A CN201710107642A CN107070535A CN 107070535 A CN107070535 A CN 107070535A CN 201710107642 A CN201710107642 A CN 201710107642A CN 107070535 A CN107070535 A CN 107070535A
- Authority
- CN
- China
- Prior art keywords
- file
- satellite
- broadcast
- module
- broadcasts
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18523—Satellite systems for providing broadcast service to terrestrial stations, i.e. broadcast satellite service
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18523—Satellite systems for providing broadcast service to terrestrial stations, i.e. broadcast satellite service
- H04B7/18526—Arrangements for data linking, networking or transporting, or for controlling an end to end session
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
Abstract
Terminal system, satellite reception terminal system and softdog are broadcast the invention discloses a kind of global Incorporate satellite broadcast service, including satellite；The advantage of the invention is that：By providing a kind of global Incorporate satellite broadcast service, improve data rate, submitted the article for tradition, the multiple business such as video is submitted the article, New Media provides support, realize satellite user end multimedia contribution automation reliable reception and Incorporate is submitted the article, enterprise is improved comprehensively in Global Multi-media News Information Communication, the influence power and competitiveness of covering, international communication ability and influence power are enhanced, while optimizing management and O＆M flow.
Description
Technical field
The present invention relates to a kind of satellite broadcasting net, specifically a kind of global Incorporate satellite broadcast service of offer
Method, belongs to satellite broadcasting net field.
Background technology
In recent years, deep reform occurs for World Mass Media general layout, cut-throat competition, depth integration, the local gesture shuffled occurs, newly
Hear information propagation pattern to constantly update, spread speed is constantly accelerated, spread scope is constantly expanded, traditional media and new media will be
The joint development with realizing diversification on the basis of merging is competed, new frame is being propagated across medium, across the whole world of Industrial Convergence
Formed.The severe challenge and rare opportunity brought in face of this new situations, new change, enterprise need to respond actively, to possessing across matchmaker
Be situated between the full media group transition of hair ability of gathering and editing, and further strengthens video report, strives for video news report from quantity, interior
Hold quality to the new breakthrough of each side such as propagation efficiency.
At present, strengthen international communication ability to be established as strengthening the most important strategic tasks of national comprehensive strength, turn into
The organic component of whole national development strategy.In order to preferably by present mutually it is isolated, can not cooperate it is each
Plant multi-level publication channel progress, various dimensions integration and entirety to be lifted, played a significant role in formation next-generation technology system
The unified issue system in the whole world, to meet the requirement of news information service under the new situation, meets the requirement of position reach under the new situation,
In the international communication ability of largely enterprise, core competitiveness is improved.
The content of the invention
It is an object of the present invention to a kind of method of global Incorporate satellite broadcast service is devised, it is complete by providing
Ball Incorporate satellite broadcast service, improves data rate, be tradition submit the article, the multiple business such as video is submitted the article, New Media
There is provided and support, realize satellite user end multimedia contribution automation reliable reception and Incorporate is submitted the article, improve comprehensively
Enterprise enhances international communication ability and influence power in Global Multi-media News Information Communication, the influence power and competitiveness of covering,
Management and O＆M flow are optimized simultaneously.
The technical scheme is that：
Global Incorporate satellite broadcast service, including herein below：
Satellite communication software will provide support to traditional word, picture and New Media transmission demand, the platform bearer
User is in addition to traditional newspaper office, radio station, TV station, news agency, in addition to screen matchmaker's delivery system user, financial institution user
Deng meet above-mentioned different industries user uses original text demand.
Satellite communication software realize with IP data broadcastings mode to word, picture, audio-video document, report version file, and
The transmission services such as emerging screen matchmaker issue provide technical support.
The software service object is divided into five classes.One class is print media and a small amount of radio station media subscriber, primary recipient word
Picture contribution；Equations of The Second Kind is TV station, the high bit-rate video file of primary recipient；3rd class is New Media user, primary recipient
Middle low bit-rate video file；4th class is mechanism class non-media user, including the high-end user such as government, enterprise, and primary recipient is adopted
The economic information contribution write, including word, picture and video contribution；5th class is distributed across domestic and overseas branch's machines at different levels
Structure, the contribution of reception includes word, picture and video and audio contribution.
From logical construction, whole platform divide into multi-stage platform body from bottom to top by base support to application performance
System, and is connected by SOA specification for structures, realize it is at all levels between information sharing with exchange.
Using such design structure so that technology platform can not only be realized quickly to clear layer, while also can
Bring and innovate and easy-to-use experience mode for user.The structure is also easy to extension, as long as possessing the open of ability of second development
System is transformed by agreement unification, you can applicable " plug-in unit " system of quick transformation cost platform institute, is quickly become platform
A part.
Function and the auxiliary such as the terminal management of system including core and service release, service relation inquiry and interface interchange
The function such as session management, heartbeat component and system administration；
As shown in Figure 1, all operation systems are exchanged by standard application interface agreement by application plug-in system and pass through it
Realize that the flow direction of data and information is linked up；User directly interacts, and regard platform as one in this level and platform
" integrated system " is treated, and the ins and outs of the internal relationses of all operation systems and information flow each other is to user
All shielding, just can so substantially reduce the requirement to user, and the service provided user is even fool.
Specifically include herein below：
First, satellite broadcasts terminal system
1.1 data preprocessing module：Data prediction is primarily referred to as the sound view on a storage medium for providing up-stream system
Text, by file format, as the data source file of operation flow, the entrance of platform also supports all formats data file to enter
Platform carries out broadcasting processing；
Poll newly broadcasts task from up-stream system lookup is all；Human intervention selects or cancelled some tasks；Moving moves new broadcast
Hair task to satellite broadcasts terminal system；The task status is marked into database：Processing state；
1.2 hair fastener management modules：The principle that hair fastener blocks in line with a station one, but because cause specific system also supports a station double card,
But only support a clamping simultaneously to receive；Program is imported using the key of customized development, hair fastener function is realized；Lost if there is card
Lose, holder can apply handling neocaine, while main website stops website reception；Nullify receiving station and nullify card simultaneously；Card
Piece, if there is losing or damaging, is not influence small station to receive, and can be first stored in data on reception computer, but can not solve
Close, card is inserted the card into after handling, it is possible to the data that decryption is preserved；Make initialized card：Initialized card can be docked
All Parameter reconstructions of receiving end are to factory-said value；
1.3 files broadcast module：File broadcast module be mainly processing it is all broadcast demand task, file is broadcast into server refers to
Determine the All Files under catalogue to be handled and be distributed by satellite network, according to software requirement, file broadcasts module master
Need to realize following demand：
File, which broadcasts module, to be needed to adapt to the file process and broadcast distribution task of compatible and processing all size, and file is minimum
Need several bytes, maximum demand to 2GB or so.File broadcasts module in the task of processing, it is necessary to ensure the complete of file
Property and accuracy, it is ensured that the error free transmission of file can be carried out, after the completion of broadcasting, file and source document that remote station is received
Part is consistent and complete.
When file broadcasts module the processing of task and broadcast are broadcast, various transmission rates should be suitable for, can be supported
30Mbps transmission rate.File broadcasts module and should support promptly to intercut function, can possess corresponding priority and set and control
Function processed, to ensure that file broadcasts ageing requirement, is sent to user terminal by file in time.Newly it is inserted into currently to file when having
When broadcasting in document queue, high priority file should be waited after the file broadcast broadcasts and finish, and intercutted, preferential to realize
High priority file broadcasts work.File broadcasts the function that module should be supported to repeat to broadcast in a few minutes after broadcasting first,
It should need possess the strategy setting function that repetition is broadcast simultaneously, to prevent satellite channel hit from causing contribution to receive delay, so that
Improve successful receiving rate.File, which broadcasts module, should be constantly in the automatic state for broadcasting task, meanwhile, can to corresponding file
Broadcast function to be timed, with meet each business channels it is corresponding broadcast demand.File, which broadcasts module, should possess by preferential
Level is different, channel is different, broadcast the not equal factor of business realizes that the flow of bandwidth in satellite is controlled, and improves satellite bandwidth and utilizes
Rate, it is ensured that satellite broadcasts reliability.Packet loss data reissue when file broadcast module receive back information processing subsystem provide
Packet loss information when, it should can in time be reissued according to the information user terminal loss packet.Notify that sending file broadcasts mould
Block should support main website to send the function of notifying to user, meanwhile, notify that receiving user can voluntarily be set or adjusted, can be to all
User, which sends, to be notified, can also be sent by group, by user.
File promptly intercuts offer and inserted in document queue is currently broadcast newly to file, and the function of preferentially broadcasting is met
The demand that the high priority file arrived afterwards is broadcast in advance.The file that new fat file needs to wait for broadcasting is broadcast finish after again row insert
Broadcast；
1.4 main website end back information processing modules：Back information processing system needs to be deployed in enterprise to outer network, is responsible for small
The information that end program of standing is returned by outer interactive circuit is decrypted, and handles；Back information processing system can be with automatic identification
The returned information content with judgement, the information returned automatically should include packet loss and mend biography information, satellite reception end computer state letter
Breath and DVB status information.If packet loss, which is mended, passes information, then it is sent to and broadcasts module；If receiving terminal satellite reception
Machine status information, then be sent to monitoring management system.Back information processing system should also support the feedback letter returned to user terminal
Breath carries out automatic identification and determination processing.When monitoring the feedback information of user terminal passback, if technological system relevant issues
Feedback information directly will be stored in local disk specified path and with specifying required by enterprise by feedback, back information processing system
Mode is shown；If news relevant issues are fed back, back information processing system will be sent to editor by specified interface and be added
Work platform, convenient platform of editing and processing carries out relevant treatment.Back information processing system is both needed to identification to the various information of passback
Inquired about for system manager there is provided function of statistic analysis by class write into Databasce afterwards, analyze all kinds of back informations；
1.5 users and entitlement management module：User and authorization message are stored in the database for being deployed in outer net, any to user
Management or the renewal of authorization message need to preserve in file system while database is stored in, be sent to Intranet broadcasting system
Loading is used, in addition, need to reserve on request to new media product diversification exploitation processing and Integrated Service System and disaster recovery and backup systems
Transmission interface, realize user unified management with authorize and user data converge；User can be increased, be deleted, authority
The operation such as setting and modification.Batch operation function can be provided to the change that user authorizes.
2nd, satellite reception terminal system
2.1 satellite channel block of state：Satellite reception end provides the function that different colours flash according to satellite channel state, is easy to
User observes reception state.Different colours represent different signal reception states, signal reception state specifically include channel interruption,
Data receiver is interrupted and control information is reachable, data receiver and control information are received normally；
2.2 file reception modules：File reception module needs that the assignment file of main website transmission can be received.When appearance receives packet loss
When not receiving whole assignment file, the benefit APMB package of main website transmission can be received, and other need not be received again and has been collected
File.File reception module is recordable not to receive fileinfo, while externally spare interface, is to possess automatic mend future to adjust text
Part function is prepared.File reception module should can return packet loss information to main website end, and the packet loss information of passback should carry out adding
Close processing, to prevent being cracked in transmitting procedure.
3rd, softdog：The update cycle is can be set in channel key, and small station is decrypted after channel key using softdog, caching
Channel key and cipher key lifetimes for future use, after channel key fails（After life cycle expires）Re-call again softdog from
Channel key is decrypted in authorization message.Set the delay in small station to receive the time broadcasting business management subsystem, made with this time
For the update cycle of small station channel key, after user terminal softdog is damaged, small station can be entered according to the channel key above decrypted
Row decryption, realizes delay receive capabilities, and delay length can be set, and interrupted and received more than small station after delay period.
The advantage of the invention is that：By providing a kind of global Incorporate satellite broadcast service method, data are improved
Speed, submits the article, the multiple business such as video is submitted the article, New Media provides support, realizes satellite user end multimedia original text for tradition
Part automates reliable reception and Incorporate is submitted the article, and enterprise is improved comprehensively in Global Multi-media News Information Communication, covering
Influence power and competitiveness, enhance international communication ability and influence power, at the same optimize management and O＆M flow.
The invention will be further described with implementation below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 system logic architecture figures
Fig. 2 protocol stack hierarchical diagrams
Fig. 3 stream compression structure charts
Tri- layers of encryption mechanism structure charts of Fig. 4
Fig. 5 data checking mechanisms logic charts
Fig. 6 satellite bandwidth multiplexing logical figures.
Embodiment
The preferred embodiments of the present invention are illustrated below, it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1
As shown in figures 1 to 6, global Incorporate satellite broadcast service, including herein below：
First, satellite is broadcast
Based on TLV Variable Length Codes, expansible unified encapsulation format
The protocol stack of broadcasting system is divided into five layers, the bottom of from and on be followed successively by physical layer（Satellite）, Channel Coding and Modulation, multichannel it is multiple
With, IP packets, application layer.
Wherein IP packets can be UDP unicasts or IP multicasts.
Application layer, which is divided into, is broadly divided into four class data：Piecemeal（Segment）, metadata（Meta Data）, control data,
Authorization message.
Wherein word, picture, video file, video flowing, alternative document are converted to unified piecemeal and first number by piecemeal
It is believed that breath.
Wherein metadata information includes file identification, filename, file size, file integrality information, file encryption letter
Breath etc..
Alternative document includes broadcasting listed files, Broadcast Control file, upgrade file etc..
Four class data of application layer are encoded using TLV, are defined as follows：
Wherein mono- byte of TAG, two bytes of LENGTH
Word, picture, video file, alternative document are once cut into blocked file by main website from front to back according to file, by video
The UDP bags or RTP bags of stream are as a burst；It is again that piecemeal, metadata, control information, authorization message is unified according to TLV forms
Encapsulation packing；Then TLV data are encapsulated into UDP bags or IP multicast packets；Take up the ball IP data（UDP unicasts or IP multicasts）Press
MPE is encapsulated into according to DVB data broadcast standards, MPE is encapsulated into MPEG2 TS of the generation based on UDP flows；By MPEG2 TS over
UDP flow is sent to multiplexing and modulator；
Main website data pass through satellite relay broadcast distribution to small station.
Small station demodulation demultiplexing modulated signal generation MPE encapsulation；After decapsulation, IP data are dealt into LAN；Then lead to
Cross parsing TLV encapsulation and obtain piecemeal, metadata, control information, authorization message；Further piecemeal and metadata are by merging piecemeal
Generate word, picture, video file, video flowing and alternative document.
Based on piecemeal, channel, three layers of user encryption
The current essential information for broadcasting file of file metadata user description includes file identification, file size, file name, text
Part description, integrity information, file encryption control word etc..
Wherein integrity information can use MD5 digest.
Based on broadcast file, channel, user three layers of encryption mechanism be described below：
Main website end：
First layer is encrypted：File encryption control word KW1 is randomly generated, the file broadcast is entered using file encryption control word KW1
Row encryption, AES optional DES, 3DES, AES etc..
The second layer is encrypted：File encryption control word KW1 is encrypted using channel key KW2, file encryption is generated
Control word f (KW1), AES optional DES, 3DES, AES etc..
Third layer is encrypted：For exist user mandate broadcast file, it is close to channel according to the key KW3 of small station user
Key KW2 is encrypted, and generates personalized authorization message；File is broadcast for what is authorized in the absence of user, is not authorized.Its
Middle AES optional DES, 3DES, AES etc..
Above-mentioned AES can be configured by main website, and be sent to small station by authorization message.
Small station end：
First layer is decrypted：Small station receives authorization message and obtains channel key KW2 by softdog calculating.
The second layer is decrypted：File encryption control word f (KW1) is decrypted using channel key KW2, KW1 is generated.
Third layer is decrypted：File cipher text is decrypted using file decryption control word KW1, clear text file is generated
File。
2nd, file broadcasts module
Transmission based on file block
Broadcasting file type includes word, picture, audio-video document, report version file, and emerging screen matchmaker etc..File size from
Several crossed joints are to a few G byte files.
In this method, main website is by file File according to maximum piecemeal length（MSL, MAX Segment Length）Divided
Block, the maximum piecemeal length MSL's of end deficiency carries out piecemeal according to actual size, and the file of main website is divided into multiple variable lengths
Piecemeal Segment sequences are spent, main website transmission identical file is by the small big preferential transmission of skew.Piecemeal head includes file identification, divided
Block skew hereof, piecemeal length, piecemeal Segment afterbodys include CRC check code.
In order to support to extend 4G byte above files, skew is using 5 bytes.
Check code is used to judge whether piecemeal is complete, and computational methods are as follows：In piecemeal Segment write-ins file identification, partially
Shifting, piecemeal length, piecemeal load, effect code filling 0, effect code is calculated using same DSM-CC CRC algorithms.
DSM-CC CRC parameters are as follows：
CRC_POLYNOMIAL(0x04C11DB7);
CRC_IV (0xFFFFFFFF);
CRC_BYTE(buf);
CRC_IV(result);
Small station is received after Segment, is written to after calculating check code, checking integrality in respective file skew, is checked file
All start-stop positions not received before peak excursion are received, all start-stop positions not received are returned.
Main website is received after back information, and the start-stop position that small station is not received is regenerated into piecemeal, block data is inserted into
Logical channel sends team's head, preferential to send.
Real-time streaming transport based on forward error correction
The ageing and real-time of video flowing requirement, loss or error problem during broadcasting, the side reissued using passback
, due to there is larger delay, easily there is the phenomenon of interim card, this method improves broadcasting in real time for video flowing using forward error correction in formula
Property.
Redundant data certain by producing FEC detects and corrected error in data, although FEC can waste certain network
Bandwidth, but delay is short, so FEC is more suitable for the real-time media transmission on network.FEC is divided into media phase according to coded system
Close FEC, the unrelated FEC of media.Media correlation FEC is according to the media coding format of transmission（Such as MPEG2）Generate redundant data packets, meter
Calculation amount is bigger.The unrelated FEC of media generates redundancy packet using usual manner, transparent to media coding format.
This method is using the unrelated FEC forms of media, and coded treatment flow is as follows：
The 1st, the m media data packet to be received such as；
2nd, r redundant data packets are generated using FEC coded formats, redundancy is designated as r/m；
3rd, m+r packet encapsulation is sent in TLV data structures.
Decoding process flow is as follows：
1st, numbering is waited to receive numbering [k (m+r), (k+1) (m+r) -1] packet；
If the 2, preceding m bag is imperfect, first recover the packet lost；Otherwise redundancy packet is abandoned.
Encoding and decoding handle delay estimation, with SD program 4Mbps code checks, exemplified by redundancy 1/10.From source to purpose, total
Delay, which is equal to before coding, connects bag stand-by period+coding computing relay+transmission delay+decoding computing relay, connects the bag stand-by period, the coding and decoding time is according to amount of calculation it is determined that being also Millisecond.I.e. from source
Hold destination, programme televised live overall delay increase a few tens of milliseconds.
3rd, bandwidth is controlled
The minimum bandwidth of each logical channel, maximum bandwidth and preferential are ensured based on multipriority queue and double token bucket dynamic dispatchings
Level
This method, which takes into full account, big file and small documents to be broadcast feature there is provided perfect satellite bandwidth multiplex strategy.
Broadcast subsystem in satellite communication to broadcast by channel, each channel can set minimum bandwidth, maximum bandwidth and preferential
Level, broadcasts utilization power and the priority of broadcasting channel of the program according to satellite total bandwidth, realizes the flow to satellite total bandwidth
Control, so as to improve satellite bandwidth utilization rate, and ensures the reliability that satellite is broadcast.
Each logical channel setting minimum bandwidth, maximum bandwidth and priority.Wherein minimum bandwidth refers to this logical channel
Guaranteed rate.On the basis of guaranteed rate, if the available free bandwidth of system, according to the priority height of each passage, not
Higher than the dynamic bandwidth allocation in principle of maximum bandwidth.Priority means the order of remaining satellite bandwidth distribution, remaining satellite
Bandwidth always first distributes to the high broadcast items of priority.As new original text obtains maximum bandwidth, old original text is guaranteed bandwidth.
This method is that each logical channel sets independent minimum bandwidth token bucket and maximum bandwidth token bucket, excellent sending
Under conditions of first level queue is discontented, scheduler carries out two-wheeled scheduling each dispatching cycle：
The first round dispatches：Logically the priority of passage, the token number of minimum bandwidth token bucket is corresponded to according still further to logical channel
Corresponding piecemeal Segment is taken out, is inserted into according to the priority of piecemeal in transmission priority query；
Second wheel scheduling：Logically the priority of passage, the token number of maximum bandwidth token bucket is corresponded to according still further to logical channel
Corresponding piecemeal Segment is taken out, is inserted into according to the priority of piecemeal in transmission priority query.
Meanwhile, the logical channel of same priority distributes remaining satellite band according to the weight ratio of corresponding maximum bandwidth
It is wide.
Logical channel priority is divided into 5 grades, and System Priority ensures the high first transmission of priority.
| Priority | In real time | Highest | It is high | Regular senior middle school | Commonly |
| Numbering | 0 | 1 | 2 | 3 | 4 |
It can be inserted in document queue is currently broadcast and newly arrive file, realization is preferentially broadcast.Such as the content promptly intercutted,
High priority is set, and is inserted into the logical channel of high priority, realization is preferentially broadcast.
Ensure the efficient utilization of satellite available bandwidth based on priority query and token bucket
This method ensure that the minimum bandwidth of logical channel by minimum bandwidth token bucket, be limited by maximum bandwidth token bucket
The maximum bandwidth of logical channel, the priority of each passage is ensure that by logical channel priority scheduling.
Send priority query and send token bucket and take full advantage of satellite total bandwidth, and ensure that the defeated of all business
Go out the available bandwidth that bandwidth is no more than satellite, improve bandwidth utilization efficiency, it is to avoid unknowable packet loss phenomenon.
Ensure the priority of business data flow based on priority query
In this method, the business datum such as word, picture, video file, video flowing, control information is inserted into difference according to priority
Logical channel priority query in, the priority broadcast is ensure that in service layer.
4th, main website end back information processing module
Satellite communication software inhouse communication mechanism
Apache ActiveMQ are Message Oriented Middleware in Java platform (MOM), and it is easy to the Java in message system to apply
Program carries out message exchange, and simplifies opening for enterprise's application by the interface of the generation, transmission, reception message that provide standard
Hair, is supported point-to-point（Point-to-Point）, publish/subscribe（Publish/Subscribe）Message, can be effectively decoupled conjunction each
Subsystem.
Monitoring management subsystem, broadcast subsystem, back information processing subsystem, broadcast business management subsystem between
Message exchange uses the mechanism of publish/subscribe message, wherein：
Monitoring management subsystem subscribes to monitoring message, mends biography information, satellite reception end computer status information, DVB state
Information；
Broadcast subsystem subscription to broadcast task message, mend biography information, send monitoring message；
Back information processing subsystem, which sends to mend, passes information, sends satellite reception end computer status information, sends DVB
Status information；Broadcast business management subsystem transmission and broadcast task message.
Claims (9)
1. global Incorporate satellite broadcast service, it is characterised in that broadcast terminal system, satellite reception terminal system including satellite
System and softdog；
The satellite broadcasts terminal system and broadcasts module, main website end go back to including data preprocessing module, hair fastener management module, file
Pass message processing module and user and entitlement management module；
The satellite reception terminal system includes satellite channel block of state and file reception module；
The softdog is that channel key sets the update cycle, and small station is decrypted after channel key using softdog, caches channel
For future use, after channel key fails re-call softdog again decrypts channel from authorization message for key and cipher key lifetimes
Key.
2. global Incorporate satellite broadcast service according to claim 1, it is characterised in that：The data prediction mould
Block is primarily referred to as the text of sound view on a storage medium for providing up-stream system, by file format, is used as operation flow
Data source file, the entrance of platform also supports all formats data file to enter platform and carry out broadcasting processing；
Poll newly broadcasts task from up-stream system lookup is all；Human intervention selects or cancelled some tasks；Moving moves new broadcast
Hair task to satellite broadcasts terminal system；The task status is marked into database：Processing state.
3. global Incorporate satellite broadcast service according to claim 1, it is characterised in that：The hair fastener management module
The principle blocked for hair fastener in line with a station one, but because cause specific system also supports a station double card, but only support a clamping simultaneously
Receive；Program is imported using the key of customized development, hair fastener function is realized；Lost if there is card, holder can apply doing
Neocaine is managed, while main website stops website reception；Nullify receiving station and nullify card simultaneously；Card is if there is loss or damages
It is bad, it is not influence small station to receive, data can be first stored on reception computer, but can not decrypt, card, which is handled, afterwards will
Card is inserted, it is possible to the data that decryption is preserved；Make initialized card：Initialized card can be to all Parameter reconstructions of receiving terminal
To factory-said value.
4. global Incorporate satellite broadcast service according to claim 1, it is characterised in that：The file broadcasts module
For file broadcast module be mainly processing it is all broadcast demand task, file is broadcast into the All Files under server assigned catalogue
Handled and be distributed by satellite network, according to software requirement, file, which broadcasts module, mainly to be needed to realize following demand：
File, which broadcasts module, to be needed to adapt to the file process and broadcast distribution task of compatible and processing all size, and file is minimum
Need several bytes, maximum demand to 2GB or so；File broadcasts module in the task of processing, it is necessary to ensure the complete of file
Property and accuracy, it is ensured that the error free transmission of file can be carried out, after the completion of broadcasting, file and source document that remote station is received
Part is consistent and complete；
When file broadcasts module the processing of task and broadcast are broadcast, various transmission rates should be suitable for, can be supported
30Mbps transmission rate；File broadcasts module and should support promptly to intercut function, can possess corresponding priority and set and control
Function processed, to ensure that file broadcasts ageing requirement, is sent to user terminal by file in time；Newly it is inserted into currently to file when having
When broadcasting in document queue, high priority file should be waited after the file broadcast broadcasts and finish, and intercutted, preferential to realize
High priority file broadcasts work；File broadcasts the function that module should be supported to repeat to broadcast in a few minutes after broadcasting first,
It should need possess the strategy setting function that repetition is broadcast simultaneously, to prevent satellite channel hit from causing contribution to receive delay, so that
Improve successful receiving rate；File, which broadcasts module, should be constantly in the automatic state for broadcasting task, meanwhile, can to corresponding file
Broadcast function to be timed, with meet each business channels it is corresponding broadcast demand；File, which broadcasts module, should possess by preferential
Level is different, channel is different, broadcasting business, different factors realize that the flow of bandwidth in satellite is controlled, and improve satellite bandwidth utilization rate,
Ensure that satellite broadcasts reliability；Packet loss data reissue when file broadcast module receive back information processing subsystem offer lose
During package informatin, it should the packet of user terminal loss can be reissued in time according to the information；Notify transmission file broadcasts module should
The support main website sends the function of notifying to user, meanwhile, notify that receiving user can voluntarily be set or adjusted, can be to all users
Send and notify, can also be sent by group, by user；
File promptly intercuts offer and inserted in document queue is currently broadcast newly to file, the function of preferentially broadcasting, and is arrived after satisfaction
The demand broadcast in advance of high priority file；The file that new fat file needs to wait for broadcasting is broadcast finish after again row intercut.
5. global Incorporate satellite broadcast service according to claim 1, it is characterised in that：The main website end passback letter
Breath processing module is that back information processing system needs to be deployed in enterprise to outer network, is responsible for passing through outer interaction to small station end program
The information of circuit passback is decrypted, and handles；Back information processing system can be with automatic identification and the returned information of judgement
Content, the information returned automatically should include packet loss and mend biography information, satellite reception end computer status information and DVB shape
State information；If packet loss, which is mended, passes information, then it is sent to and broadcasts module；If receiving terminal DVB status information, then transmit
To monitoring management system；Back information processing system should also be supported to carry out automatic identification to the feedback information that user terminal is returned and sentenced
Fixed processing；When monitoring the feedback information of user terminal passback, if technological system relevant issues are fed back, back information processing system
Uniting directly will be stored in local disk specified path by feedback information and is shown with the specific mode required by enterprise；If journalism
Relevant issues of being engaged in feedback, back information processing system will be sent to editting and processing platform by specified interface, convenient to edit and process
Platform carries out relevant treatment；Back information processing system is both needed to after identification to the various information of passback by class write into Databasce, is carried
For function of statistic analysis, inquired about for system manager, analyze all kinds of back informations.
6. global Incorporate satellite broadcast service according to claim 1, it is characterised in that：The user and mandate pipe
Reason module is that user and authorization message are stored in the database for being deployed in outer net, it is any to user management or authorization message more
It is new to be preserved while database is stored in file system, it is sent to the loading of Intranet broadcasting system and uses, in addition, need to presses
Processing and Integrated Service System and the transmission interface of disaster recovery and backup systems are developed it is required that reserving to new media product diversification, user is realized
Unified management is converged with mandate and user data；User can be increased, be deleted, priority assignation and modification are operated；Can be right
The change that user authorizes provides batch operation function.
7. global Incorporate satellite broadcast service according to claim 1, it is characterised in that：The satellite channel state
Module provides the function of different colours flicker for satellite reception end according to satellite channel state, is easy to user to observe reception state；
Different colours represent different signal reception states, and signal reception state specifically includes channel interruption, data receiver and interrupts and control
Information processed is reachable, data receiver and control information are received normally.
8. global Incorporate satellite broadcast service according to claim 1, it is characterised in that：The file reception module
Need that the assignment file of main website transmission can be received for file reception module；Whole assignment file is not received when there is reception packet loss
When, the benefit APMB package of main website transmission can be received, and other files collected need not be received again；File reception module
It is recordable not receive fileinfo, while externally spare interface, is to possess automatic mend future to adjust file function to prepare；File connects
Packet loss information should can be returned to main website end by receiving module, and the packet loss information of passback should carry out encryption, to prevent transmitting procedure
In be cracked.
9. global Incorporate satellite broadcast service according to claim 1, it is characterised in that：The softdog is to broadcast
Sending service management subsystem sets the delay in small station to receive the time, using this time as the update cycle of small station channel key, when
After user terminal softdog is damaged, small station can be decrypted according to the channel key above decrypted, and realize delay receive capabilities, and
Delay length can be set, and interrupted and received more than small station after delay period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107642.5A CN107070535A (en) | 2017-02-27 | 2017-02-27 | A kind of method that global Incorporate satellite broadcast service is provided |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107642.5A CN107070535A (en) | 2017-02-27 | 2017-02-27 | A kind of method that global Incorporate satellite broadcast service is provided |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107070535A true CN107070535A (en) | 2017-08-18 |
Family
ID=59621280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710107642.5A Pending CN107070535A (en) | 2017-02-27 | 2017-02-27 | A kind of method that global Incorporate satellite broadcast service is provided |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107070535A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948085A (en) * | 2017-12-28 | 2018-04-20 | 中国电子科技集团公司第二十研究所 | A kind of message sending control method based on business and satellite channel feature |
| CN111835405A (en) * | 2020-06-29 | 2020-10-27 | 重庆邮电大学 | Information pushing method and system based on heaven-earth integrated information center network |
| CN112583472A (en) * | 2020-12-28 | 2021-03-30 | 四川安迪科技实业有限公司 | Multicast file sending, receiving and transmitting method and device for batch upgrading of satellite equipment |
| CN113949440A (en) * | 2021-11-06 | 2022-01-18 | 中国电子科技集团公司第五十四研究所 | Low-orbit satellite communication method based on information on demand |
| CN114866804A (en) * | 2022-04-20 | 2022-08-05 | 中央广播电视总台 | Channel packing and information broadcasting system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510921A (en) * | 2002-12-26 | 2004-07-07 | 北京亚太东方通信网络有限公司 | Transmission method and system for multimedia programm |
| CN1615014A (en) * | 2004-08-26 | 2005-05-11 | 北京亚太东方通信网络有限公司 | Audio-visual programm information interchanging system |
| CN1949862A (en) * | 2005-10-13 | 2007-04-18 | 三星电子株式会社 | Digital broadcasting conditional access system and method thereof |
| US20100131968A1 (en) * | 2008-11-26 | 2010-05-27 | Echostar Technologies L.L.C. | Account-Specific Encryption Key |
| CN101719784A (en) * | 2009-11-25 | 2010-06-02 | 成都林海电子有限责任公司 | Digital trunking communication system and method based on VSAT satellite gateway station |
-
2017
- 2017-02-27 CN CN201710107642.5A patent/CN107070535A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510921A (en) * | 2002-12-26 | 2004-07-07 | 北京亚太东方通信网络有限公司 | Transmission method and system for multimedia programm |
| CN1615014A (en) * | 2004-08-26 | 2005-05-11 | 北京亚太东方通信网络有限公司 | Audio-visual programm information interchanging system |
| CN1949862A (en) * | 2005-10-13 | 2007-04-18 | 三星电子株式会社 | Digital broadcasting conditional access system and method thereof |
| US20100131968A1 (en) * | 2008-11-26 | 2010-05-27 | Echostar Technologies L.L.C. | Account-Specific Encryption Key |
| CN101719784A (en) * | 2009-11-25 | 2010-06-02 | 成都林海电子有限责任公司 | Digital trunking communication system and method based on VSAT satellite gateway station |
Non-Patent Citations (2)
| Title |
|---|
| 李秀英 等: "《电视原理》", 31 May 2015, 西安电子科技大学出版社 * |
| 肖波 等: "CMACast系统县级站设备管理及维护", 《农业灾害研究》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948085A (en) * | 2017-12-28 | 2018-04-20 | 中国电子科技集团公司第二十研究所 | A kind of message sending control method based on business and satellite channel feature |
| CN107948085B (en) * | 2017-12-28 | 2021-02-02 | 中国电子科技集团公司第二十研究所 | Message sending control method based on service and satellite channel characteristics |
| CN111835405A (en) * | 2020-06-29 | 2020-10-27 | 重庆邮电大学 | Information pushing method and system based on heaven-earth integrated information center network |
| CN111835405B (en) * | 2020-06-29 | 2022-04-05 | 重庆邮电大学 | Information pushing method and system based on heaven-earth integrated information center network |
| CN112583472A (en) * | 2020-12-28 | 2021-03-30 | 四川安迪科技实业有限公司 | Multicast file sending, receiving and transmitting method and device for batch upgrading of satellite equipment |
| CN112583472B (en) * | 2020-12-28 | 2023-05-19 | 四川安迪科技实业有限公司 | Multicast file sending, receiving and transmitting method and device for batch upgrading satellite equipment |
| CN113949440A (en) * | 2021-11-06 | 2022-01-18 | 中国电子科技集团公司第五十四研究所 | Low-orbit satellite communication method based on information on demand |
| CN114866804A (en) * | 2022-04-20 | 2022-08-05 | 中央广播电视总台 | Channel packing and information broadcasting system |
| CN114866804B (en) * | 2022-04-20 | 2023-09-15 | 中央广播电视总台 | Channel packaging and information broadcasting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107070535A (en) | A kind of method that global Incorporate satellite broadcast service is provided | |
| CN101065963B (en) | Video multiplexer system providing low-latency VCR-like effects and program changes | |
| CN102415024B (en) | Multimedia broadcast forwarding systems and methods | |
| US8914530B2 (en) | Method and system for content distribution | |
| US10374865B2 (en) | System for processing streaming media service and method and network device thereof | |
| US10470000B2 (en) | Methods and apparatus for enhanced MBMS content provisioning and content ingestion | |
| CN105122767A (en) | Methods for delivery of flows of objects over broadcast/multicast enabled networks | |
| CN101651787B (en) | Networking and documenting digital media program examining system | |
| CN1505355A (en) | Terminal, data distribution system comprising such a terminal and method of re-transmitting digital data | |
| CN101631205B (en) | Networked and documented method for reviewing digital media programs | |
| CN101341693A (en) | Scheduling client feedback during streaming sessions | |
| US20190191190A1 (en) | Reception apparatus, reception method, transmission apparatus, and transmission method | |
| Xu et al. | Smart media transport: A burgeoning intelligent system for next generation multimedia convergence service over heterogeneous networks in China | |
| CN103916375A (en) | HFC network downlink data multi-channel packaging and transmitting method | |
| CN110061962A (en) | A kind of method and apparatus of video stream data transmission | |
| US10021155B2 (en) | Method and system for content distribution | |
| CN101034968B (en) | System, method and device for providing the bidirectional service in the separated bidirectional network | |
| CN101160965A (en) | Method of implementing preview of network TV program, encryption device, copyright center system and subscriber terminal equipment | |
| US8589577B2 (en) | Transmission of IP packets of contents by addition to those IP packets of information data relating to the contents | |
| CN104022844B (en) | Data packaging method capable of matching multiple transmission modes and system | |
| CN110098899A (en) | A method of protocol stack, data based on fusion Transmission system retransmit | |
| CN101072227A (en) | Sending system, method and receiving system for video broadcasting system | |
| CN101938324B (en) | Network media stream playing method and device | |
| CN101267590B (en) | Service unsubscription method and system, mobile terminal, card and service server | |
| Pourmohammadi et al. | Streaming MPEG-4 over IP and Broadcast Networks: DMIF based architectures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
|
| RJ01 | Rejection of invention patent application after publication |