CN106357278A - Method and device for transmitting Beidou data based on multi-card mechanism - Google Patents
Method and device for transmitting Beidou data based on multi-card mechanism Download PDFInfo
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- CN106357278A CN106357278A CN201610917457.8A CN201610917457A CN106357278A CN 106357278 A CN106357278 A CN 106357278A CN 201610917457 A CN201610917457 A CN 201610917457A CN 106357278 A CN106357278 A CN 106357278A
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- card
- big dipper
- master control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
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- 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
- H04B7/1851—Systems using a satellite or space-based relay
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radio Relay Systems (AREA)
Abstract
The invention provides a method and a device for transmitting Beidou data based on a multi-card mechanism. The method for transmitting the Beidou data based on the multi-card mechanism comprises the following steps of: acquiring the launching cycle of a Beidou satellite and the quantity of IC cards in a preset IC card group; dividing the launching cycle by the quantity of the IC cards to obtain a first time interval; acquiring data at the first time interval; acquiring the address value of one IC card without performing a data sending command in the launching cycle in the preset IC card group; and sending the data to the IC card corresponding to the address value. The device for transmitting the Beidou data based on the multi-card mechanism comprises a master control panel, two or more than two Beidou IC card slots, two or more than two IC cards, a radio frequency module, an antenna and a power adapter. According to the method and the device, through the IC cards, the transmission efficiency of the Beidou data is improved; the master control panel, the radio frequency module and the antenna are shared by the IC cards, so that the cost is reduced, the complexity of the structure is reduced, and the installation space is saved.
Description
Technical field
The present invention relates to wireless communication field, particularly to a kind of Big Dipper data transmission method for uplink based on many card machines system and dress
Put.
Background technology
Beidou navigation pilot system is China's independent development and the first generation satellite navigation and location system built, the Shi Ji U.S.
The navigation positioning system of the 3rd actual motion in the world after " gps " system and Russian " glonass " system.Big-dipper satellite leads to
Letter except coverage is big, do not have communication blind district, safe and reliable the features such as in addition to also there is special short message communication function, should
Function makes its user can realize short message communication by satellite, and is not affected by orographic condition and amblent air temperature.This function can
Can not cover for solving underpopulated rural area, pastoral area, outlying mountain area, marine site and existing wired, wireless communication networks
Regional short message communication, and the urgency communication of disaster accident.
Development with China's Big Dipper cause and a large amount of uses of Big Dipper short message function, Big Dipper short message is in teledata
Also there is following restriction in transmission and the application aspect controlling: using short message communication mode, once communication has message capacity to limit
System, that is, the length of Content of Communication is restricted every time, and message capacity is little, and generally, commercial communication capacity only has 70 words
About section；Communication frequency is restricted, the certain time interval existing between every communication twice, and this time interval ratio
Larger, generally, the commercial communication cycle was at 60 seconds about.I.e. Big Dipper short message system, one time message capacity is less and logical
Letter frequency relatively low, these features so that the data volume of real-time Transmission is typically small, when needing real-time Transmission mass data, its
Transmission data rate is far from enough.
The Chinese invention patent of Application No. 201310277574.9 discloses the data transmission method based on big-dipper satellite
And device, comprise the following steps: obtain data；To described data sectional, and it is packaged into a group or more of subdata bags；
Send described subdata bag to big-dipper satellite；Described subdata bag is received at big-dipper satellite；Verify described subdata bag, restructuring
Described subdata bag simultaneously obtains described data；Export described data.This invention is by carrying out segmentation simultaneously to the data needing transmission
It is packaged into several subdata bags, then pass through Beidou satellite transmission data, realize the transmission of big data.But weak point shows
And be clear to, the data needing transmission is carried out splitting, encapsulates, complex operation, data transfer is inefficient simultaneously.
Content of the invention
The technical problem to be solved is: provides a kind of Big Dipper data transmission method for uplink based on many card machines system and dress
Put the transmission it is achieved that big data, improve data transmission efficiency simultaneously.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
The invention provides a kind of Big Dipper data transmission method for uplink based on many card machines system, comprise the following steps:
S1: the quantity of ic card in the transmit cycle of acquisition big-dipper satellite and default ic card group；
S2: described transmit cycle, divided by the quantity of described ic card, obtains very first time interval；Every between the described very first time
Every acquisition data；
S3: obtain one from default ic card group and be not carried out sending the ground of the ic card of data command in described transmit cycle
Location is worth, and obtains sending address value；
S4: send described data and send address value corresponding ic card to described.
The beneficial effects of the present invention is:
It is different from prior art: existing dipper system terminal can only launch a secondary data, transmission effect in a cycle
Rate is low, and the present invention passes through to obtain the quantity of ic card in the transmit cycle of big-dipper satellite and default ic card group, when being calculated first
Between be spaced, choose an ic card acquisition data in ic card group successively it is achieved that in a big-dipper satellite every very first time interval
Transmit cycle in repeatedly obtain data, improve the efficiency of transmission of Big Dipper data；
Present invention also offers a kind of Big Dipper data sending device based on many card machines system, comprising:
Master control borad, the Big Dipper ic draw-in groove of more than 2, the ic card of more than 2, radio-frequency module；
Described Big Dipper ic draw-in groove places described ic card；
Described ic draw-in groove is connected with described master control borad；
Described master control borad is connected with described radio-frequency module；
Described antenna is connected with described radio-frequency module.
The beneficial effects of the present invention is:
By Big Dipper ic draw-in groove place many ic cards, successively choose Big Dipper ic draw-in groove in one ic card acquisition data it is achieved that
Repeatedly obtain data in the transmit cycle of a big-dipper satellite, improve the efficiency of transmission of Big Dipper data；Described master control borad control
Make the data transfer extremely described radio-frequency module in many ic cards, many ic cards carry out data by a set of radio-frequency module and a set of antenna
Send, save hardware cost, effectively reduce the complexity of structure simultaneously, save installing space.
Brief description
Fig. 1 is a kind of signal of the key step of Big Dipper data transmission method for uplink based on many card machines system of the embodiment of the present invention
Figure；
Fig. 2 is a kind of structural representation of Big Dipper data sending device based on many card machines system of the embodiment of the present invention；
Fig. 3 is a kind of circuit diagram of Big Dipper data sending device based on many card machines system of the embodiment of the present invention.
Label declaration:
1st, master control borad；2nd, Big Dipper ic draw-in groove；3rd, radio-frequency module；4th, antenna；5th, power supply adaptor；6th, serial ports；7th, external set
Standby.
Specific embodiment
By describing the technology contents of the present invention in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is: chooses the ic card in ic card group and obtains data successively it is achieved that at one
Repeatedly obtain data in the transmit cycle of big-dipper satellite, improve the efficiency of transmission of Big Dipper data.
Refer to Fig. 1, a kind of Big Dipper data transmission method for uplink based on many card machines system, comprise the following steps:
S1: the quantity of ic card in the transmit cycle of acquisition big-dipper satellite and default ic card group；
S2: described transmit cycle, divided by the quantity of described ic card, obtains very first time interval；Every between the described very first time
Every acquisition data；
S3: obtain one from default ic card group and be not carried out sending the ground of the ic card of data command in described transmit cycle
Location is worth, and obtains sending address value；
S4: send described data and send address value corresponding ic card to described.
Knowable to foregoing description, the beneficial effects of the present invention is: in turn obtain data by many ic cards, shorten number
According to acquisition and transmission time interval, improve the efficiency of transmission of Big Dipper data.
Further, described s4 particularly as follows:
Cyclically send described data successively and send address value corresponding ic card to described.
Seen from the above description, in ic card group, ic card circulates receiving data successively, can after completing a data receiver,
Prepare for receiving data next time.
Further, also include after described s4: encrypt described data, obtain the first data；Transmit described first data
To radio-frequency module.
Seen from the above description, encrypt described data, the safety of data transfer can be improved.
Further, a kind of Big Dipper data transmission method for uplink based on many card machines system, also includes:
Judge whether described data is Beidou communication data；
If described data is Beidou communication data, sends described data and send address value corresponding ic card to described；
If described data is not Beidou communication data, reacquire data.
Seen from the above description, can effectively judge whether described data is Beidou communication data, effectively prevent non-north
The transmission of bucket communication data.
Further, a kind of Big Dipper data transmission method for uplink based on many card machines system, also includes:
Antenna receives the radiofrequency signal that radio-frequency module is exported, and described radiofrequency signal is converted to electromagnetic wave signal, sends out
Penetrate described electromagnetic wave signal.
Seen from the above description, receive radiofrequency signal and be converted into electromagnetic wave signal, launch described electromagnetic wave simultaneously
Signal, can improve the treatment effeciency of data.
Refer to Fig. 2 and Fig. 3, a kind of Big Dipper data sending device based on many card machines system, comprising:
Ic card that the Big Dipper ic draw-in groove that master control borad is more than 1,2 is more than 2,2, radio-frequency module 3, antenna 4；
Described Big Dipper ic draw-in groove 2 places described ic card；
Described ic card is connected with described master control borad 1；
Described master control borad 1 is connected with described radio-frequency module 3；
Described antenna 4 is connected with described radio-frequency module 3.
Knowable to foregoing description, the beneficial effects of the present invention is: Big Dipper ic draw-in groove 2 places many ic cards, chooses north successively
An ic card in bucket ic draw-in groove 2, acquisition data successively is it is achieved that repeatedly obtain number in the transmit cycle of a big-dipper satellite
According to improve the efficiency of transmission of Big Dipper data；Described master control borad 1 controls the data transfer in many ic cards to described radio-frequency module 3,
Many ic cards carry out the transmission of data by a set of radio-frequency module 3 and a set of antenna 4, save hardware cost, effectively reduce simultaneously
The complexity of structure, saves installing space.
Further, described master control borad 1 is connected by serial ports 6 with external equipment 7.
Knowable to foregoing description, the data on external equipment 7 is transferred to master control borad 1 by serial ports 6.
Further, described master control borad 1 includes: memorizer, cpu, analog switch chip；
Both-way communication set up by described cpu and described memorizer；
Described cpu is connected with described analog switch chip.
Knowable to foregoing description, described cpu controls the work of described memorizer and described analog switch chip.
Further, described analog switch chip is connected with described Big Dipper ic draw-in groove；Described cpu is with described radio-frequency module even
Connect.
Knowable to foregoing description, described cpu is used for controlling the transmission with described radio-frequency module 3 data in ic card, works as data
After end of transmission, described analog switch chip automatically controls next ic card and is operated.
Further, a kind of also included based on the Big Dipper data sending device of many card machines system: power supply adaptor 5, described master
Control plate 1 is connected with power supply adaptor 5.
Knowable to foregoing description, provide electric energy by power supply adaptor 5 to Big Dipper data sending device.
Refer to Fig. 1, embodiments of the invention one are:
A kind of Big Dipper data transmission method for uplink based on many card machines system, comprises the following steps:
S1: the quantity of ic card in the transmit cycle of acquisition big-dipper satellite and default ic card group；
S2: described transmit cycle, divided by the quantity of described ic card, obtains very first time interval；Every between the described very first time
Every acquisition data；
S3: obtain one from default ic card group and be not carried out sending the ground of the ic card of data command in described transmit cycle
Location is worth, and obtains sending address value；
S4: send described data and send address value corresponding ic card to described.
Embodiments of the invention two are:
Obtain the transmit cycle of big-dipper satellite, the quantity of ic card, the card number of each ic card and its position in record ic card group
Sequentially, the information of first ic card is saved in the memorizer of master control borad, as the ic card of work at present；Described transmit cycle
Divided by the quantity of described ic card, obtain very first time interval；
The cpu of master control borad reads the ic card number of work at present, and is spaced according to the very first time, from the transmit queue of memorizer
In by first in first out principle obtain communication data；Ic card using work at present is encrypted operation to communication data；Subsequently,
Communication data after encrypting is sent to radio-frequency module and is processed by the cpu of master control borad, and launches via antenna；
After data successful launch, the analog switch chip of master control borad selects next ic card to carry out next data transfer.
After order completes the operation of all ic cards, then switch back into initial first ic card, start the data transfer operation of next round.
Refer to Fig. 2 and Fig. 3, embodiments of the invention three are:
A kind of Big Dipper data sending device based on many card machines system, comprising:
Ic card that the Big Dipper ic draw-in groove that master control borad is more than 1,2 is more than 2,2, radio-frequency module 3, antenna 4, power supply adaptor
5；Described master control borad 1 includes: memorizer, cpu, analog switch chip；, described memorizer is flash core taking the present embodiment as a example
Piece, described cpu is arm11.Described arm11 and described flash chip set up both-way communication；
One described Big Dipper ic draw-in groove 2 places a described ic card；The parallel distribution of described ic draw-in groove；
Described power supply adaptor 5 is connected by electric power connection line with master control borad 1；Described master control borad 1 by serial ports 6 will
The data transfer of external equipment 7 is to described flash chip；Described arm11 controls described data to be transferred to by described flash chip
Described ic card, described analog switch chip controls the work of ic card in Big Dipper ic draw-in groove 2；Described arm11 and described analog switch
Chip connects；
If described Big Dipper ic draw-in groove 2 is provided with dry contact, described master control borad 1 is connected by contact with described Big Dipper ic draw-in groove 2
Connect；
Described radio-frequency module 3 is provided with and draws angle, and described master control borad 1 is connected by drawing angle with described radio-frequency module 3；
Described antenna 4 passes through wirelessly to be connected with described radio-frequency module 3.
In sum, the present invention provides a kind of Big Dipper data transmission method for uplink based on many card machines system and device, by obtaining
Take the transmit cycle of big-dipper satellite and the quantity of ic card in default ic card group；Described transmit cycle divided by the quantity of described ic card,
Obtain very first time interval；Big Dipper ic draw-in groove placed many ic cards, and the ic card chosen successively in Big Dipper ic draw-in groove obtains data,
Achieve and repeatedly obtain data in the transmit cycle of a big-dipper satellite, improve the efficiency of transmission of Big Dipper data；Described master
Control plate controls the data transfer in many ic cards to described radio-frequency module, and many ic cards are carried out by a set of radio-frequency module and a set of antenna
The transmission of data, saves hardware cost, effectively reduces the complexity of structure simultaneously, saves installing space.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this
The equivalents that bright description and accompanying drawing content are made, or directly or indirectly it is used in the technical field of correlation, all include in the same manner
In the scope of patent protection of the present invention.
Claims (10)
1. a kind of Big Dipper data transmission method for uplink based on many card machines system is it is characterised in that comprise the following steps:
S1: the quantity of ic card in the transmit cycle of acquisition big-dipper satellite and default ic card group；
S2: described transmit cycle, divided by the quantity of described ic card, obtains very first time interval；Obtain every interval of the described very first time
Fetch data；
S3: obtain one from default ic card group and be not carried out sending the address of the ic card of data command in described transmit cycle
Value, obtains sending address value；
S4: send described data and send address value corresponding ic card to described.
2. a kind of Big Dipper data transmission method for uplink based on many card machines system according to claim 1 is it is characterised in that described s4
Particularly as follows:
Cyclically send described data successively and send address value corresponding ic card to described.
3. a kind of Big Dipper data transmission method for uplink based on many card machines system according to claim 1 is it is characterised in that described s4
Also include afterwards:
Encrypt described data, obtain the first data；Transmit described first data to radio-frequency module.
4. a kind of Big Dipper data transmission method for uplink based on many card machines system according to claim 1 is it is characterised in that also wrap
Include:
Judge whether described data is Beidou communication data；
If described data is Beidou communication data, sends described data and send address value corresponding ic card to described；
If described data is not Beidou communication data, reacquire data.
5. a kind of Big Dipper data transmission method for uplink based on many card machines system according to claim 3 is it is characterised in that also wrap
Include:
Antenna receives the radiofrequency signal that radio-frequency module is exported, and described radiofrequency signal is converted to electromagnetic wave signal, launches institute
State electromagnetic wave signal.
6. a kind of Big Dipper data sending device based on many card machines system is it is characterised in that include:
Master control borad, the Big Dipper ic draw-in groove of more than 2, the ic card of more than 2, radio-frequency module, antenna；
Described Big Dipper ic draw-in groove places described ic card；
Described ic draw-in groove is connected with described master control borad；
Described master control borad is connected with described radio-frequency module；
Described master control borad is connected with power supply adaptor；
Described antenna is connected with described radio-frequency module.
7. a kind of Big Dipper data sending device based on many card machines system according to claim 6 is it is characterised in that described master
Control plate is connected by serial ports with external equipment.
8. a kind of Big Dipper data sending device based on many card machines system according to claim 6 is it is characterised in that described master
Control plate includes: memorizer, cpu, analog switch chip；
Both-way communication set up by described cpu and described memorizer；
Described cpu is connected with described analog switch chip.
9. a kind of Big Dipper data sending device based on many card machines system according to claim 8 is it is characterised in that described mould
Intend switch chip to be connected with described Big Dipper ic draw-in groove；Described cpu is connected with described radio-frequency module.
10. a kind of Big Dipper data sending device based on many card machines system according to claim 6 is it is characterised in that also wrap
Include: power supply adaptor, described master control borad is connected with power supply adaptor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917457.8A CN106357278A (en) | 2016-10-21 | 2016-10-21 | Method and device for transmitting Beidou data based on multi-card mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917457.8A CN106357278A (en) | 2016-10-21 | 2016-10-21 | Method and device for transmitting Beidou data based on multi-card mechanism |
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| CN106357278A true CN106357278A (en) | 2017-01-25 |
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| CN201610917457.8A Pending CN106357278A (en) | 2016-10-21 | 2016-10-21 | Method and device for transmitting Beidou data based on multi-card mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444933A (en) * | 2018-11-26 | 2019-03-08 | 北京招通致晟科技有限公司 | Positioning device and method based on big-dipper satellite |
| CN110418289A (en) * | 2019-07-24 | 2019-11-05 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of airborne positioning terminal of Beidou, Plane location and automatic warning system and aircraft |
| CN112165708A (en) * | 2020-09-27 | 2021-01-01 | 中国气象局气象探测中心 | Aircraft, multi-card management system and control method thereof |
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| CN206077364U (en) * | 2016-10-21 | 2017-04-05 | 福建星海通信科技有限公司 | A kind of Big Dipper data sending device based on many card machines |
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| CN103281684A (en) * | 2013-05-31 | 2013-09-04 | 成都天奥电子股份有限公司 | Beidou communication device and method |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109444933A (en) * | 2018-11-26 | 2019-03-08 | 北京招通致晟科技有限公司 | Positioning device and method based on big-dipper satellite |
| CN110418289A (en) * | 2019-07-24 | 2019-11-05 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of airborne positioning terminal of Beidou, Plane location and automatic warning system and aircraft |
| CN112165708A (en) * | 2020-09-27 | 2021-01-01 | 中国气象局气象探测中心 | Aircraft, multi-card management system and control method thereof |
| CN112165708B (en) * | 2020-09-27 | 2023-06-16 | 中国气象局气象探测中心 | Aircraft, multi-card management system and control method thereof |
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Application publication date: 20170125 |