CN102253395A - Communicator applied to Beidou satellites and method thereof - Google Patents
Communicator applied to Beidou satellites and method thereof Download PDFInfo
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- CN102253395A CN102253395A CN2011100905804A CN201110090580A CN102253395A CN 102253395 A CN102253395 A CN 102253395A CN 2011100905804 A CN2011100905804 A CN 2011100905804A CN 201110090580 A CN201110090580 A CN 201110090580A CN 102253395 A CN102253395 A CN 102253395A
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Abstract
The invention relates to a communicator applied to Beidou satellites and a method thereof. The communicator comprises an antenna, a Beidou communication module, a master control board and a data interface module which are sequentially connected; the Beidou communication module comprises an antenna interface, a low-noise amplifier, a power amplifier, a radio frequency circuit and a baseband processing circuit, wherein the low-noise amplifier, the power amplifier and the baseband processing circuit are respectively connected with the radio frequency circuit, and the low-noise amplifier and the power amplifier are respectively connected with the antenna by the antenna interface; and the master control board is used for controlling the Beidou communication module, carrying out data information processing and defining an external communication data interface. By using the communicator provided by the invention, a user can conveniently and quickly achieve the effects of Beidou positioning and short message communication on personal computers (PCs) and smart phones without buying a complete set of Beidou terminals.
Description
Technical field
The present invention relates to the satellite navigation and the communications field, be specifically related to be used for big-dipper satellite location, navigation and communicator of communicating by letter and method thereof.
Background technology
Since two thousand, China successfully sends 3 Big Dipper Navigation Satellites into space successively, sets up the Beidou satellite navigation pilot system, makes China become the 3rd country that has the autonomous satellite navigational system after the United States, Russia.At present, China has entered the Big Dipper two generations networking peak period; Simultaneously, various and a Big Dipper generation, relevant navigation, location, the communication facilities of two generation systems are researched and developed in succession and are released.Yet at present domestic Big Dipper terminal is integration apparatus, not relevant equipment can be effectively the two combines as a whole with the location of big-dipper satellite with the short message function with computer and mobile phone.For example, (denomination of invention is " Big Dipper communication terminal device with wireless communication function " in an application for a patent for invention of sky, Divine Land letter company application, number of patent application is 200910088459.0, publication number is CN101938687A), this terminal is to integrate the integrated terminal of intercom, mobile phone and three kinds of technology of satnav, intercom, function of cellular phone and satellite positioning functions can be combined, be convenient to mobile phone communications and positioning function that the user with companion carries out short-range intercommunication communication when movable in the open air, grows distance; But this termination set becomes intercom, function of cellular phone and satellite positioning functions in one, and this makes the structure of this terminal become complicated undoubtedly, and cost is higher, and carries inconvenience.
Summary of the invention
Primary and foremost purpose of the present invention is to solve existing Big Dipper communication terminal device complex structure, cost is high and carry inconvenient technical matters, a kind of communicator that is applied in big-dipper satellite is provided, external communication device is connected with communicator apparatus for establishing of the present invention by the wired or wireless protocols of standard, can realize the location and the short message communication function of big-dipper satellite, easy to operate, more portable, applicability is wide.
Another object of the present invention provides a kind of means of communication based on above-mentioned communicator.
The present invention realizes above-mentioned primary and foremost purpose by the following technical solutions: should be used in the communicator of big-dipper satellite, comprise the antenna, Big Dipper communication module, master control borad and the data interface module that connect successively; Described Big Dipper communication module comprises antennal interface, low noise amplifier, power amplifier, radio circuit and baseband processing circuitry, wherein low noise amplifier, power amplifier and baseband processing circuitry are connected with radio circuit respectively, and low noise amplifier, power amplifier also are connected with described antenna respectively by antennal interface; Described master control borad be used to control Big Dipper communication module, carry out processing data information, the master control borad of definition correspondence with foreign country data-interface.
Described antenna transmits it to Big Dipper communication module after being used to receive Big Dipper satellite signal, and the signal that transmits from Big Dipper communication module is sent to the antenna of big-dipper satellite.
Described antenna receive frequency and scope are 2491.75MHz ± 4.08MHz, and the receiving polarization mode is a right-hand polarization, and transmission frequency and scope are 1615.68MHz ± 4.08MHz, and the receiving polarization mode is a right-hand polarization.
Described communicator also comprises the pilot lamp that is connected with master control borad, be used for the duty of described communicator is made indication.
Described communicator also comprise be connected with master control borad, be used for loudspeaker that the voice signal that master control borad sends is play.
Described communicator also comprise be connected with master control borad, be used for power module to the power supply of described communicator.
The present invention realizes above-mentioned another purpose by the following technical solutions, is applied in the means of communication of the communicator of big-dipper satellite, may further comprise the steps:
A, initialization;
B, set up described communicator and be connected, wait for user instruction with the data of external communication device;
After c, user instruction are transferred to data interface module, be transferred to master control borad then, master control borad is discerned the type of user instruction;
D, when master control borad identifies received when being inner execution command, master control borad transfers to corresponding internal part to the inside execution command and carries out, when master control borad identifies received when being Big Dipper communication instruction, master control borad transfers to Big Dipper communication module with Big Dipper communication instruction, baseband processing circuitry in the Big Dipper communication module is encoded with the instruction and data that transmits, after spread spectrum and the filtering, produce baseband signal and transfer to radio circuit, radio circuit directly up-converts to radiofrequency signal with baseband signal, export power amplification circuit then to, power amplification circuit is amplified to enough power with radiofrequency signal, launches by antenna at last;
E, the S-band radio signal transmission that antenna receives is to Big Dipper communication module, by low noise amplifier circuit to signal amplify with filtering after signal is transferred to radio circuit, radio circuit amplifies the signal imported and it is down-converted to intermediate-freuqncy signal, and then intermediate-freuqncy signal sampled, export two A/D signals at last to baseband processing circuitry, baseband processing circuitry carries out the synchronous and despreading of spreading code, carrier synchronization and demodulation, frame synchronization, the decoding verification, calculate and described data result is transferred to master control borad behind the data result and be for further processing, after data after master control borad is handled are transferred to data interface module by master control borad, arrive external communication device again.
The present invention has following advantage and effect with respect to prior art:
1, the Big Dipper communication module integrated level height of communicator employing of the present invention, and because communicator of the present invention need not parts such as keyboard, display screen, compare with traditional integrated Big Dipper user terminal, cost is lower, volume is littler, weight is littler, carries more convenient.
2, the user only need install special software and can operate communicator of the present invention on external communication devices such as PC, smart mobile phone, realizes operating simpler and easy based on location, navigation and the short message of big-dipper satellite system function such as communicate by letter.
3, communicator of the present invention provides bluetooth and two kinds of connected modes of USB, can set up being connected between external communication device and the communicator of the present invention quickly and easily.
4, communicator of the present invention provides the api interface of standard, and the user can carry out secondary development on equipment such as PC, smart mobile phone, have wider applicability.
Description of drawings
Fig. 1 is a hardware block diagram of the present invention;
Fig. 2 is a Big Dipper communication module structured flowchart;
Fig. 3 is a workflow diagram of the present invention;
Fig. 4 is the connection diagram of the present invention and big-dipper satellite, external communication device.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited thereto.
Embodiment
Referring to Fig. 1,4, in the present embodiment, the present invention is applied in the communicator of big-dipper satellite, comprises the antenna, Big Dipper communication module, master control borad and the data interface module that connect successively, and data interface module also is connected with external communication device; In addition, also comprise pilot lamp, loudspeaker and the power module that is connected with master control borad.Communicator of the present invention also is provided with it is carried out seal-packed shell.
Described antenna is Big Dipper transmitting-receiving directional antenna specifically, transmits it to Big Dipper communication module after being used to receive Big Dipper satellite signal, and a signal that transmits from Big Dipper communication module is sent to big-dipper satellite.The antenna receive frequency range is 2491.75MHz ± 4.08MHz, and the receiving polarization mode is a right-hand polarization, and transmit frequency range is 1615.68MHz ± 4.08MHz, and the receiving polarization mode is a right-hand polarization.
Described Big Dipper communication module, as shown in Figure 2, comprise antennal interface, low noise amplifier, power amplifier, radio circuit and baseband processing circuitry, wherein low noise amplifier, power amplifier and baseband processing circuitry are connected with radio circuit respectively, and low noise amplifier, power amplifier also are connected with described antenna respectively by antennal interface.After Big Dipper communication module is received the Big Dipper satellite signal that antenna transmits, to Big Dipper satellite signal amplify, filtering, frequency conversion and resolve processing, data result after will handling then is transferred to master control borad, is handled according to user's different instruction by master control borad again.During emission, Big Dipper communication module to the data that master control borad transmission comes encode, frequency conversion and power amplification transfer to antenna after handling, and is transmitted to big-dipper satellite by antenna then.
Described master control borad mainly is made up of flush bonding processor, is used to control Big Dipper communication module, carries out processing data information, defines the correspondence with foreign country data-interface; Be specially: by flush bonding processor is carried out software programming, realize control and information processing to Big Dipper communication module, the critical functions such as work of each functional module are coordinated in the definition of correspondence with foreign country data-interface.
Described power module comprises lithium battery, intelligent charge module.When external communication device connected communicator of the present invention and external communication device (for example PC) and is enough to offer the enough operating voltage of communicator of the present invention by the USB mode, communicator of the present invention provided working power by external communication device; When external communication device connects communicator of the present invention by bluetooth approach, be responsible for providing the working power of communicator of the present invention by lithium battery; During charging, the intelligent charge module stops charging automatically by the electric current and the magnitude of voltage of intelligence control circuit monitoring lithium battery when the lithium battery electric weight reaches capacity state.
Described data interface module can be independent bluetooth module, also can be independent usb interface module, can also comprise bluetooth module and usb interface module simultaneously.Described data interface module is connected between master control borad and the external communication device by bluetooth or usb data line, is used for the data transmission between communicator of the present invention and the external communication device.Wherein, bluetooth module is adopted as bluetooth V1.1 version, and usb interface module adopts 2.0 interfaces.
Described pilot lamp is selectable unit (SU), communicator of the present invention is in operate as normal, data transmission, battery electric quantity or other duties makes indication.
Described loudspeaker is selectable unit (SU), and when being necessary to send voice suggestion, master control borad will send relevant voice signal to loudspeaker, and be come out by loudspeaker plays.
As shown in Figure 3, the course of work of the present invention is as follows:
Opening power, master control borad is loading procedure at first, carries out self check then, after self check finishes each module of communicator of the present invention is carried out initialization.Initialization on up-link, is set up communicator of the present invention and is connected with the data of external communication device after finishing, and waits for user instruction; When the special software of user by communicator of the present invention after communicator of the present invention sends instruction, after user instruction arrives the data interface module of communicator of the present invention by usb data line or Bluetooth transmission, then be transferred to master control borad, master control borad is discerned the type of user instruction; When master control borad identifies received when being inner execution command, master control borad transfers to corresponding internal part to the inside execution command and carries out, when master control borad identifies received when being Big Dipper communication instruction, master control borad transfers to Big Dipper communication module with Big Dipper communication instruction, baseband processing circuitry in the Big Dipper communication module is encoded with the instruction and data that transmits, after spread spectrum and the filtering, produce baseband signal and transfer to radio circuit, radio circuit directly up-converts to radiofrequency signal with baseband signal, export power amplification circuit then to, power amplification circuit is amplified to enough power with radiofrequency signal, launches by antenna then.On downlink, the S-band radio signal transmission that antenna receives is to Big Dipper communication module, by low noise amplifier circuit to signal amplify with filtering after signal is transferred to radio circuit, the receiving cable of radio circuit has comprised the double conversion structure, major function is to amplify radio-frequency input signals and be down-converted to final 12.24MHz intermediate-freuqncy signal, and then intermediate-freuqncy signal sampled, export two A/D signals at last to baseband processing circuitry, baseband processing circuitry carries out the synchronous and despreading of spreading code, carrier synchronization and demodulation, frame synchronization, the decoding verification, calculate and described data result is transferred to master control borad behind the data result and be for further processing, after data after master control borad is handled are transferred to data interface module by master control borad, arrive external communication device by usb data line or bluetooth again.
The present invention also provides api interfaces such as SIM card inquiry, SIM card information are returned, power monitoring application, power monitoring rreturn value, to satisfy user's special requirement except can realizing the big-dipper satellite location and Big Dipper short message is communicated by letter.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (7)
1. a communicator that is applied in big-dipper satellite is characterized in that: comprise the antenna, Big Dipper communication module, master control borad and the data interface module that connect successively; Described Big Dipper communication module comprises antennal interface, low noise amplifier, power amplifier, radio circuit and baseband processing circuitry, wherein low noise amplifier, power amplifier and baseband processing circuitry are connected with radio circuit respectively, and low noise amplifier, power amplifier also are connected with described antenna respectively by antennal interface; Described master control borad be used to control Big Dipper communication module, carry out processing data information, the master control borad of definition correspondence with foreign country data-interface.
2. the communicator that is applied in big-dipper satellite according to claim 1, it is characterized in that: described antenna transmits it to Big Dipper communication module after being used to receive Big Dipper satellite signal, and the signal that transmits from Big Dipper communication module is sent to the antenna of big-dipper satellite.
3. the communicator that is applied in big-dipper satellite according to claim 1, it is characterized in that: described antenna receive frequency and scope are 2491.75MHz ± 4.08MHz, the receiving polarization mode is a right-hand polarization, transmission frequency and scope are 1615.68MHz ± 4.08MHz, and the receiving polarization mode is a right-hand polarization.
4. the communicator that is applied in big-dipper satellite according to claim 1 is characterized in that: described communicator also comprises the pilot lamp that is connected with master control borad, be used for the duty of described communicator is made indication.
5. the communicator that is applied in big-dipper satellite according to claim 1 is characterized in that: described communicator also comprise be connected with master control borad, be used for loudspeaker that the voice signal that master control borad sends is play.
6. the communicator that is applied in big-dipper satellite according to claim 1 is characterized in that: described communicator also comprise be connected with master control borad, be used for power module to the power supply of described communicator.
7. based on the described means of communication that are applied in the communicator of big-dipper satellite of claim 1, it is characterized in that may further comprise the steps:
A, initialization;
B, set up described communicator and be connected, wait for user instruction with the data of external communication device;
After c, user instruction are transferred to data interface module, be transferred to master control borad then, master control borad is discerned the type of user instruction;
D, when master control borad identifies received when being inner execution command, master control borad transfers to corresponding internal part to the inside execution command and carries out, when master control borad identifies received when being Big Dipper communication instruction, master control borad transfers to Big Dipper communication module with Big Dipper communication instruction, baseband processing circuitry in the Big Dipper communication module is encoded with the instruction and data that transmits, after spread spectrum and the filtering, produce baseband signal and transfer to radio circuit, radio circuit directly up-converts to radiofrequency signal with baseband signal, export power amplification circuit then to, power amplification circuit is amplified to enough power with radiofrequency signal, launches by antenna then;
E, the S-band radio signal transmission that antenna receives is to Big Dipper communication module, by low noise amplifier circuit to signal amplify with filtering after signal is transferred to radio circuit, radio circuit amplifies the signal imported and it is down-converted to intermediate-freuqncy signal, and then intermediate-freuqncy signal sampled, export two A/D signals at last to baseband processing circuitry, baseband processing circuitry carries out the synchronous and despreading of spreading code, carrier synchronization and demodulation, frame synchronization, the decoding verification, calculate and described data result is transferred to master control borad behind the data result and be for further processing, after data after master control borad is handled are transferred to data interface module by master control borad, arrive external communication device again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011100905804A CN102253395A (en) | 2011-04-12 | 2011-04-12 | Communicator applied to Beidou satellites and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100905804A CN102253395A (en) | 2011-04-12 | 2011-04-12 | Communicator applied to Beidou satellites and method thereof |
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| CN102253395A true CN102253395A (en) | 2011-11-23 |
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| CN2011100905804A Pending CN102253395A (en) | 2011-04-12 | 2011-04-12 | Communicator applied to Beidou satellites and method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102612009A (en) * | 2012-03-05 | 2012-07-25 | 北京汇美电子技术有限公司 | Beidou satellite and mobilephone short message management transponder |
| CN103279462A (en) * | 2013-05-28 | 2013-09-04 | 浙江大学 | Data coding/ decoding method suitable for Bei Dou short message civil agreement |
| CN103713296A (en) * | 2013-12-31 | 2014-04-09 | 上海达华测绘有限公司 | Compass multi-card terminal device and system |
| CN103926593A (en) * | 2014-04-25 | 2014-07-16 | 株洲时代日望信息科技有限公司 | Big Dipper positioning and communication integrated terminal based on locomotive security |
| CN104052539A (en) * | 2014-06-11 | 2014-09-17 | 北京神州天鸿数码技术有限公司 | Method and device for satellite communication of smart phones through Beidou terminals |
| CN105511371A (en) * | 2016-02-26 | 2016-04-20 | 电卫士智能电器（北京）有限公司 | Programmable logic controller and control system thereof |
| CN105763243A (en) * | 2016-04-20 | 2016-07-13 | 中国电子科技集团公司第五十四研究所 | Disaster early warning information satellite receiving apparatus |
| CN106330233A (en) * | 2016-08-16 | 2017-01-11 | 北京天狼讯业信息技术有限公司 | Intelligent wireless communication terminal |
| CN106679716A (en) * | 2016-08-02 | 2017-05-17 | 芜湖航飞科技股份有限公司 | Ocean environment monitoring data transmission system based on Beidou system |
| CN107861136A (en) * | 2017-12-08 | 2018-03-30 | 西安中星伟业通讯科技有限公司 | Communication system and communication means based on big-dipper satellite and internet, portable Big Dipper terminal |
| CN109067447A (en) * | 2018-07-19 | 2018-12-21 | 绵阳信元达科技有限公司 | A kind of Beidou RDSS multiple antennas switching communication means |
| CN109413564A (en) * | 2018-01-02 | 2019-03-01 | 北斗天地股份有限公司 | A kind of talkback system and its application method |
| CN109738915A (en) * | 2019-03-04 | 2019-05-10 | 上海华测导航技术股份有限公司 | A kind of mobile phone auxiliary positioning circuit and mobile phone shell |
| CN114613036A (en) * | 2022-02-16 | 2022-06-10 | 广东腾宇光讯网络科技有限公司 | Vehicle track query system based on Internet of things |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102612009A (en) * | 2012-03-05 | 2012-07-25 | 北京汇美电子技术有限公司 | Beidou satellite and mobilephone short message management transponder |
| CN103279462A (en) * | 2013-05-28 | 2013-09-04 | 浙江大学 | Data coding/ decoding method suitable for Bei Dou short message civil agreement |
| CN103279462B (en) * | 2013-05-28 | 2016-02-17 | 浙江大学 | A kind of data encoding/decoding method being applicable to the civilian agreement of Big Dipper short message |
| CN103713296A (en) * | 2013-12-31 | 2014-04-09 | 上海达华测绘有限公司 | Compass multi-card terminal device and system |
| CN103926593A (en) * | 2014-04-25 | 2014-07-16 | 株洲时代日望信息科技有限公司 | Big Dipper positioning and communication integrated terminal based on locomotive security |
| CN104052539A (en) * | 2014-06-11 | 2014-09-17 | 北京神州天鸿数码技术有限公司 | Method and device for satellite communication of smart phones through Beidou terminals |
| CN105511371B (en) * | 2016-02-26 | 2019-03-12 | 电卫士智能电器（北京）有限公司 | Programmable logic controller (PLC) and its control system |
| CN105511371A (en) * | 2016-02-26 | 2016-04-20 | 电卫士智能电器（北京）有限公司 | Programmable logic controller and control system thereof |
| CN105763243A (en) * | 2016-04-20 | 2016-07-13 | 中国电子科技集团公司第五十四研究所 | Disaster early warning information satellite receiving apparatus |
| CN106679716A (en) * | 2016-08-02 | 2017-05-17 | 芜湖航飞科技股份有限公司 | Ocean environment monitoring data transmission system based on Beidou system |
| CN106330233A (en) * | 2016-08-16 | 2017-01-11 | 北京天狼讯业信息技术有限公司 | Intelligent wireless communication terminal |
| CN107861136A (en) * | 2017-12-08 | 2018-03-30 | 西安中星伟业通讯科技有限公司 | Communication system and communication means based on big-dipper satellite and internet, portable Big Dipper terminal |
| CN109413564A (en) * | 2018-01-02 | 2019-03-01 | 北斗天地股份有限公司 | A kind of talkback system and its application method |
| CN109067447A (en) * | 2018-07-19 | 2018-12-21 | 绵阳信元达科技有限公司 | A kind of Beidou RDSS multiple antennas switching communication means |
| CN109067447B (en) * | 2018-07-19 | 2021-07-23 | 绵阳信元达科技有限公司 | Beidou RDSS multi-antenna switching communication method |
| CN109738915A (en) * | 2019-03-04 | 2019-05-10 | 上海华测导航技术股份有限公司 | A kind of mobile phone auxiliary positioning circuit and mobile phone shell |
| CN114613036A (en) * | 2022-02-16 | 2022-06-10 | 广东腾宇光讯网络科技有限公司 | Vehicle track query system based on Internet of things |
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