CN203104781U - Voice image data transmission system based on Beidou satellite - Google Patents
Voice image data transmission system based on Beidou satellite Download PDFInfo
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- CN203104781U CN203104781U CN 201320056450 CN201320056450U CN203104781U CN 203104781 U CN203104781 U CN 203104781U CN 201320056450 CN201320056450 CN 201320056450 CN 201320056450 U CN201320056450 U CN 201320056450U CN 203104781 U CN203104781 U CN 203104781U
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Abstract
The utility model discloses a voice image data transmission system based on a Beidou satellite. The system comprises an acquisition and processing unit used for collecting image or audio information and processing acquired data, a Beidou satellite transmission control unit which is connected with the acquisition and processing unit and is used for transmitting and receiving the data, and a Beidou satellite reception control center processing unit which is connected with the Beidou satellite transmission control unit through a Beidou satellite network. The system has the advantages that Beidou satellite network transmission is supported by the system, and the communication link architecture is a Beidou satellite communication terminal, a Beidou satellite communication network and a Beidou satellite receiving control center. The system has data encryption and operation authority certification technology with high security and good security. The Beidou satellite communication terminal has the advantages of low cost and unattended operation, the operation process is simplified, and a problem of inadequate information acquisition and communication capabilities of vast uninhabited areas is solved. The system can process a plurality of terminal equipment and has good scalability.
Description
Technical field
The utility model relates to the data transmission technology based on big-dipper satellite, is specifically related to a kind of voice picture data transmission system based on big-dipper satellite.
Background technology
The common communication mode that adopts in remote districts has ultrashort wave (VHF), marine satellite (Inmarsat), public switch telephone network (PSTN), 3G/GPRS and GSM note etc., and they respectively have its pluses and minuses and application limit.Advantages such as ultrashort wave (VHF) is a kind of ground face-to-face communication, and it has, and good communication quality, equipment are simple, small investment, construction period are short are suitable for the plains region short haul connection.But when high mountain area and long-range data transmission, need to increase the signal relay station, input increases and the signal transmission quality variation.Marine satellite (Inmarsat) is aeroamphibious safe satellite mobile communication service providers commercial and in danger.Owing to be satellite communication, thus be fit to long distance, the broad regions networking of the complex-terrain of plateau, high mountain, but communication cost is expensive and depend on external satellite.Public switch telephone network (PSTN) belongs to wire communication, it has the transmission rate height, signal quality is good and do not have advantage such as co-channel interference, but wire transmission also has complicated, the shortcomings such as later maintenance is costly, natural calamity defence capability difference of networking wiring simultaneously.GPRS and GSM/SMS note are the transmission of being undertaken by mobile communications network, and average rate are lower.Because the comparative maturity that present mobile communications network has developed, and the domestic network coverage also reaches higher level, thereby this communication mode has plurality of advantages such as the rate of information throughput is fast, reliability is high, the response time is short, post and telecommunication tariff is cheap relatively, network coverage area is wide.But, mobile communication signal in the high mountain area, meagrely-populated regional coverage rate is little, and the mobile communication base station generally needs power network to guarantee power supply, if meet with weather effects such as heavy rain, strong wind, the mobile communications network signal just might interrupt disappearing because of supply of electric power, and this ability that makes it withstand natural calamities is relatively poor.
Satellite navigation communication system correlation technique has been widely applied to each application at present, and is used widely, and has brought into play major application in navigator fix, weather forecast, disaster reduction and prevention, climate change reply.Dipper system has " message communication " as the navigation system of China's independent development, and " location fast ", " accurately time service " three big function, especially message communications are that other navigation positioning system does not possess.
In existing information network, there are the information gathering in wide depopulated zone and the problem of communication capacity deficiency.Utilize the message communication function of big-dipper satellite system,, can realize the transmission of voice, picture, data in time, accurately by the big-dipper satellite communication terminal.
Summary of the invention
In order to solve in existing information network, there are the information gathering in wide depopulated zone and the problem of communication capacity deficiency.The utility model utilizes the message communication function of big-dipper satellite system, by the big-dipper satellite communication terminal, can realize the transmission of voice, picture, data in time, accurately.
The technical solution of the utility model is: a kind of voice picture data transmission system based on big-dipper satellite, comprise the acquisition process unit that is used to gather picture or audio-frequency information and image data is handled, the big-dipper satellite transmission control unit that is used for transceive data that is connected with the acquisition process unit, and pass through the big-dipper satellite reception control centre processing unit that the big-dipper satellite network is connected with the big-dipper satellite transmission control unit.
Further improvement of the utility model comprises:
Described acquisition process unit comprises sonagram sheet acquisition module, the audio frequency picture processing module that is connected with audio frequency picture acquisition module, and described audio frequency picture processing module also is connected with the big-dipper satellite transmission control unit.
Described acquisition process unit comprises that also data divide packet handing module, and described data divide packet handing module to be connected with audio frequency picture processing module.
The big-dipper satellite transmission control unit adopts and the logical UM220 dual system high-performance GNSS module of core star.
Described audio frequency picture acquisition process unit adopts the DAVINCI processor.
Described big-dipper satellite transmission control unit adopts arm processor.
The utility model advantage and useful effect are: the first, and native system is supported the big-dipper satellite Network Transmission, its communication link framework is that big-dipper satellite communication terminal, big-dipper satellite communication network and big-dipper satellite receive control centre.The second, have the data encryption and the operating right authentication techniques of tight security, have good fail safe.The 3rd, the big-dipper satellite communication terminal, cost is low, need not staff on duty and operation, simplifies the operation course, and has solved the information gathering in wide depopulated zone and the problem of communication capacity deficiency.The 4th, native system can be handled a plurality of terminal equipments simultaneously, is with good expansibility.
Description of drawings
Fig. 1 is a structural representation block diagram of the present utility model.
Fig. 2 is the structural representation block diagram of the utility model big-dipper satellite delivery unit.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
As Fig. 1, shown in 2, a kind of voice picture data transmission system of the utility model based on big-dipper satellite, comprise the acquisition process unit that is used to gather picture or audio-frequency information and image data is handled, the big-dipper satellite transmission control unit that is used for transceive data that is connected with the acquisition process unit, and pass through the big-dipper satellite reception control centre processing unit that the big-dipper satellite network is connected with the big-dipper satellite transmission control unit.Described acquisition process unit comprises sonagram sheet acquisition module, the audio frequency picture processing module that is connected with audio frequency picture acquisition module, and described audio frequency picture processing module also is connected with the big-dipper satellite transmission control unit.Described acquisition process unit comprises that also data divide packet handing module, and described data divide packet handing module to be connected with audio frequency picture processing module.The big-dipper satellite transmission control unit adopts and the logical UM220 dual system high-performance GNSS module of core star.Described audio frequency picture acquisition process unit adopts the DAVINCI processor.Described big-dipper satellite transmission control unit adopts arm processor.
Audio frequency picture acquisition process unit adopts the up-to-date DAVINCI series processors of TI company, adopts standard audio picture compression algorithm, supports multiple sample rate real-time coding, supports the multiple network agreement; Data divide packet handing module to adopt high performance 32 embedded place devices, but high speed processing agreement and mass data, software kernel adopts the built-in Linux operating system of independent development, full modularized design, use the intermediate layer theory, reduce the dependence of system hardware.The communication of Big Dipper short message, each service can only be finished the teletext communication of 120 Chinese character length, when exceeding the textual information transmission of maximum text length, at transmitting terminal text is unpacked (every packet length is maximum text length) send several times, after receiving terminal waits to receive a complete textual information, again the textual information that receives is carried out packaging centralized displaying then.And the voice image data often surpasses the length of 60 Chinese characters, need split into several bags and send.Data receiver (server end) is added up the data that receive, and finds misdata or missing data, sends the corresponding bag order of mending.The big-dipper satellite terminal receives Big Dipper instruction, carries out data parsing, judges if mend the bag instruction, extracts Bale No., frame number in the command information, searches data in buffer memory, and retransmits this bag data.
The big-dipper satellite transmission control unit adopts and the logical UM220 dual system high-performance GNSS module of core star, can support two frequencies of BD2B1, GPS L1 simultaneously, adopts the SMT pad, the support standard pick and place and reflow soldering automatically integrated, low cost, low-power consumption.
The mode of operation of big-dipper satellite transmission control unit comprises: utonomous working pattern, parameter configuration mode, information inquiry pattern and the sleep pattern of mourning in silence.The start power on after, the acquiescence being operated under " utonomous working pattern ", arm processor independently monitor serial ports from data.When serial ports received data, communication terminal entered " utonomous working pattern ", and arm processor carries out the selective data compression with the data that receive, and finishes Big Dipper protocol conversion, was sent to the central station commander machine of appointment then by big-dipper satellite.Under " parameter configuration mode of operation ", control centre can send the running parameter that remote control command disposes Big Dipper communication terminal by big-dipper satellite by the center machine of commanding, function setting etc. when comprising the autonomous school of the setting of central station card number, the setting of low-power consumption park mode and communication terminal.Big Dipper communication terminal enters into " information inquiry pattern " after the information inquiring command that receives the central station commander machine transmission of having authorized.Under this pattern, central station can inquire about ICBM SHF satellite terminal positional information, send information states such as data record, operating state.Longer at interval at data transmission period, in the time of need entering the low-power consumption energy saver mode, communication terminal can be configured to " sleep pattern of mourning in silence ".Under this pattern, communication terminal can wake up or mode such as timing wake-up by local serial ports, enters into normal mode of operation.
Big-dipper satellite receives control centre's processing unit can obtain real-time position information by big-dipper satellite transmission control unit positioning function, the reception of voice, image data, and the data that receive add up, and find misdata or missing data, send the corresponding bag order of mending.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. voice picture data transmission system based on big-dipper satellite, it is characterized in that, comprise the acquisition process unit that is used to gather picture or audio-frequency information and image data is handled, the big-dipper satellite transmission control unit that is used for transceive data that is connected with the acquisition process unit, and pass through the big-dipper satellite reception control centre processing unit that the big-dipper satellite network is connected with the big-dipper satellite transmission control unit.
2. a kind of voice picture data transmission system according to claim 1 based on big-dipper satellite, it is characterized in that, described acquisition process unit comprises sonagram sheet acquisition module, the audio frequency picture processing module that is connected with audio frequency picture acquisition module, described audio frequency picture processing module also is connected with the big-dipper satellite transmission control unit.
3. a kind of voice picture data transmission system based on big-dipper satellite according to claim 2 is characterized in that, described acquisition process unit comprises that also data divide packet handing module, and described data divide packet handing module to be connected with audio frequency picture processing module.
4. a kind of voice picture data transmission system based on big-dipper satellite according to claim 1 is characterized in that, the big-dipper satellite transmission control unit adopts and the logical UM220 dual system high-performance GNSS module of core star.
5. a kind of voice picture data transmission system based on big-dipper satellite according to claim 1 is characterized in that, described audio frequency picture acquisition process unit adopts the DAVINCI processor.
6. a kind of voice picture data transmission system based on big-dipper satellite according to claim 1 is characterized in that, described big-dipper satellite transmission control unit adopts arm processor.
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| CN 201320056450 CN203104781U (en) | 2013-01-31 | 2013-01-31 | Voice image data transmission system based on Beidou satellite |
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| CN 201320056450 CN203104781U (en) | 2013-01-31 | 2013-01-31 | Voice image data transmission system based on Beidou satellite |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427953A (en) * | 2013-08-15 | 2013-12-04 | 中国船舶重工集团公司第七一五研究所 | Beidou communication method for efficient transmission of buoy data |
| CN103903387A (en) * | 2014-02-11 | 2014-07-02 | 南京军理智能科技股份有限公司 | Air defense warning instruction issuing system based on plough satellite short message communication and processing method thereof |
| CN105897659A (en) * | 2014-12-11 | 2016-08-24 | 中国人民解放军海军航空工程学院 | Big Dipper voice communication system design method |
| CN106461788A (en) * | 2014-04-23 | 2017-02-22 | 开放电视公司 | Techniques for securing live positioning signals |
| CN108683449A (en) * | 2018-05-15 | 2018-10-19 | 国网上海市电力公司 | A kind of collaborative transmission method of the power private network based on big-dipper satellite short message |
| CN110996274A (en) * | 2019-12-04 | 2020-04-10 | 北京天海达科技有限公司 | System and method for sending picture based on Beidou short message |
| CN113691305A (en) * | 2021-10-26 | 2021-11-23 | 武汉兴图新科电子股份有限公司 | Cloud-edge-end-based picture transmission method for Beidou third-number short message channel |
-
2013
- 2013-01-31 CN CN 201320056450 patent/CN203104781U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427953A (en) * | 2013-08-15 | 2013-12-04 | 中国船舶重工集团公司第七一五研究所 | Beidou communication method for efficient transmission of buoy data |
| CN103903387A (en) * | 2014-02-11 | 2014-07-02 | 南京军理智能科技股份有限公司 | Air defense warning instruction issuing system based on plough satellite short message communication and processing method thereof |
| CN103903387B (en) * | 2014-02-11 | 2016-09-07 | 浙江圆融科技有限公司 | A kind of air defence warning instruction delivery system based on the communication of Big Dipper short message and processing method thereof |
| CN106461788A (en) * | 2014-04-23 | 2017-02-22 | 开放电视公司 | Techniques for securing live positioning signals |
| CN106461788B (en) * | 2014-04-23 | 2019-06-14 | 开放电视公司 | For protecting the technology of real-time positioning signal |
| CN105897659A (en) * | 2014-12-11 | 2016-08-24 | 中国人民解放军海军航空工程学院 | Big Dipper voice communication system design method |
| CN108683449A (en) * | 2018-05-15 | 2018-10-19 | 国网上海市电力公司 | A kind of collaborative transmission method of the power private network based on big-dipper satellite short message |
| CN108683449B (en) * | 2018-05-15 | 2021-10-01 | 国网上海市电力公司 | Beidou satellite short message-based cooperative transmission method for power private network |
| CN110996274A (en) * | 2019-12-04 | 2020-04-10 | 北京天海达科技有限公司 | System and method for sending picture based on Beidou short message |
| CN113691305A (en) * | 2021-10-26 | 2021-11-23 | 武汉兴图新科电子股份有限公司 | Cloud-edge-end-based picture transmission method for Beidou third-number short message channel |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20140131 |