CN107241133A - A kind of soft card user terminal device of the Big Dipper and system - Google Patents
A kind of soft card user terminal device of the Big Dipper and system Download PDFInfo
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- CN107241133A CN107241133A CN201710446323.7A CN201710446323A CN107241133A CN 107241133 A CN107241133 A CN 107241133A CN 201710446323 A CN201710446323 A CN 201710446323A CN 107241133 A CN107241133 A CN 107241133A
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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
- H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
- H04B7/18582—Arrangements for data linking, i.e. for data framing, for error recovery, for multiple access
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to a kind of soft card user terminal device of Big Dipper and system, the soft card user terminal system of the Big Dipper includes the soft card user terminal device of the Big Dipper, Big Dipper card reader and the soft card management system of the Big Dipper, the soft card user terminal device of the Big Dipper is that the soft card of the Big Dipper and core algorithm are embedded in RDSS units, the soft card of the Big Dipper is that the information and additional age information in existing Big Dipper smart card are represented with data mode, and these information are encrypted, injected in the Flash flash memories of the soft card user terminal device of the Big Dipper.The present invention soft card of embedded one or more Big Dipper in the soft card user terminal device of the Big Dipper, Big Dipper short message communication can be completed, Big Dipper overlength message communication can also be realized, Beidou communication channel resource can also be saved by the management to the soft card of the Big Dipper, so as to improve Beidou user terminal device security performance and service efficiency, the stability and reliability of Beidou user terminal device are enhanced, application and the application region of Beidou user terminal device is expanded.
Description
Technical field
The present invention relates to technical fields such as the navigation of Beidou satellite navigation system, positioning, short message, position report and time services,
Specifically a kind of soft card user terminal device of the Big Dipper and system.
Background technology
Beidou satellite navigation system be independently built by China, independent operating, independent intellectual property right, after US Global positioning
3rd ripe satellite navigation system after system GPS, Russian Glonass satellite navigation system GLONASS, by space
Section, ground segment and user segment composition.Round-the-clock, round-the-clock, high-precision RNSS free services and mandate are provided for Global Subscriber
The RDSS paid services of user.
The Big Dipper, GPS, GLONASS satellite navigation system are provided which radionavigation-satellite service RNSS, English full name
Radio Navigation Satellite System, satellite radio navigation signals are received by user, autonomous to complete at least 4
The range measurement of satellite, carries out customer location, speed and navigational parameter and calculates.
Beidou satellite navigation system also provides radiodetermination-satellite service RDSS, English full name Radio
Determination Satellite Service.While positioning is completed, the customer location report to external system is completed
Accuse, realize positioning with communicate it is integrated, can carry out wireless information transfer high safety rank position report and short message lead to
Letter.
User segment includes dipper system user terminal and the terminal compatible with other satellite navigation systems.User terminal
Basic task be complete navigate, position, testing the speed, time service, short message and position report etc. item work.Traditional Big Dipper user terminal is set
It is standby when completing RDSS business, it is necessary to using portions such as Beidou subscriber machine smart card, the intelligent neck circuit of the Big Dipper, the intelligent decks of the Big Dipper
Part；It is complicated, typically it is only capable of completing common Big Dipper short message communication, and also Big Dipper smart card physical unit is safe and secret
Poor-performing.
The content of the invention
An object of the present invention is to provide a kind of soft card user terminal device of Big Dipper, to solve existing Big Dipper user terminal
Equipment equipment type spectrum is single, complicated, function imperfection, the problems such as security performance is poor, Big Dipper smart card is damaged and loses.
The second object of the present invention is to provide a kind of soft card user terminal system of Big Dipper, with it is reliable, stably, rapidly provide
Beidou communication（Short message, positioning and time service）Service, makes that the soft card user terminal device of the Big Dipper is safe, complete north to strong security
Struggle against RDSS business.
What an object of the present invention was realized in：
A kind of soft card user terminal device of the Big Dipper, including antenna element, radio frequency unit, RDSS units, information processing and interface list
Member and power subsystem, are embedded with the soft card of at least Zhangbei County bucket in the RDSS units；The soft card of the Big Dipper is with data side
Formula represents information and age information in existing Big Dipper smart card, and the encryption of these information, the soft card user of the injection Big Dipper is whole
In the Flash flash memories of end equipment.
Information in existing Big Dipper smart card includes user profile and AES etc..
A kind of establishment of soft card of the Big Dipper and storage method, comprise the following steps：
（1）Big Dipper user profile, AES and age information are encoded using binary mode, binary system is formed
Information；
（2）Custom Encryption is carried out to the binary message after coding；
（3）Binary message storage after Custom Encryption is injected into the electric erazable programmable of the soft card user terminal device of the Big Dipper
In memory, i.e., in Flash flash memories.
The injection mode of the soft card information of the Big Dipper includes wired injection mode, wireless injection mode or long-range injection side
Formula；Wired injection mode is to be injected using PC by the RS-232 interface of the soft card user terminal of the Big Dipper；The wireless note
It is to be injected using mobile device by the bluetooth or WiFi communication interface of the soft card user terminal device of the Big Dipper to enter mode；It is described long-range
Injection mode is to be injected using Big Dipper aerospace communication channels by Big Dipper short message.
A kind of application method of the soft card of the Big Dipper, comprises the following steps：
（1）Satellite broadcasting information is received, duties section, data segment information is extracted；
（2）Extract Big Dipper standard time and equipment storage age information；
（3）Extract the user profile encrypted in Flash and decryption；
（4）Judge age information, step is gone to when effective（7）, when invalid, order performs step（5）；
（5）To authoring system return information；
（6）Authentication information is deleted, step is returned to（2）；
（7）Response to selection framing；
（8）Subscriber terminal equipment sends inbound application；
（9）Big Dipper short message length, framing number are sent to base band, and message is delivered the soft card core algorithm of the Big Dipper again and entered by key by base band
Row Big Dipper Source Encryption；
（10）When CRC check mistake, frequency suppress or inbound suppresses, step is returned to（1）, otherwise perform step（11）；And
（11）Inbound sends Big Dipper short message.
A kind of round-robin method of the soft card of multiple Big Dippeves, the soft card of multiple Big Dippeves shares a transmission channel, in a communication frequency
In degree, bucket soft card in N Zhangbei County chronologically pushes Big Dipper short message to transmission channel；
N=int ((max P)/AV)；
Max P=max { P1, P2,…, Pi, …, PN, wherein, i=1,2 ..., N；
AV is the use time of the soft card of individual Big Dipper, including initialization time；Pi is the usage frequency of the soft card of i-th Zhangbei County bucket；
Using the user profile of the soft card of the 1st Zhangbei County bucket, Big Dipper short message is pushed to transmission channel；
Using the user profile of the soft card of the 2nd Zhangbei County bucket, Big Dipper short message is pushed to transmission channel；
By the order of sequence of natural numbers, the user profile of struggle against soft card is used to N Zhangbei County successively, and it is short to push the Big Dipper to transmission channel
Letter；So as to complete the traversal to user profile, the Big Dipper inbound communication of a communication frequency is completed.
A kind of transmission method of Big Dipper overlength message, using shaking hands, transmission mechanism sends Big Dipper overlength message from originator
To destination, wherein, the originator is sends the soft card user terminal device of the Big Dipper of Big Dipper overlength message, and destination is reception
The soft card user terminal device of the Big Dipper of Big Dipper overlength message.
The handshake mechanism comprises the following steps：
Shake hands for the first time：The Big Dipper short message that direction destination sends two connections is transmitted, first connection request Big Dipper short message contains
Filename, subpackage number, the Big Dipper subscriber card ID that second connection request Big Dipper short message is used containing originator, await a response；
Second handshake：Destination is received after originator connection request Big Dipper short message, if destination is currently at idle condition,
Request Big Dipper short message is put into the queue of shaking hands of oneself, and request Big Dipper short message is sent back to originator；If in
The busy state of Big Dipper overlength message communication is carried out with the soft card user terminal device of other Big Dippeves, then is put into request Big Dipper short message
Refusal handshaking information is sent to the not connected queue of oneself, and to originator；
Third time is shaken hands：Originator is received after the Big Dipper short message of destination's return, if destination agrees to set up connection, is continued
Subpackage number and packetized data are sent to destination；If destination's refusal sets up connection, wait destination's work to finish and go forward side by side
The related prompting of row；
4-Way Handshake：Destination persistently receives subpackage, after last subpackage has been received, and returns to the subpackage number of packet loss or has received
Finish mark；And
Shake hands for 5th time：Originator, which is received, to be received after mark, terminates to send；Otherwise, enter according to the subpackage number for receiving packet loss
Row is mended bag and sent, and at most persistently mends Bao Sanci.
What the second object of the present invention was realized in：
A kind of soft card user terminal system of the Big Dipper, including：
The soft card user terminal device of the Big Dipper, for completing RDSS communications, the soft card of at least Zhangbei County bucket has been embedded at it；The north
The soft card of bucket is to represent that the information in the information and age information in existing Big Dipper smart card, existing smart card includes with data mode
User profile and AES；
Big Dipper card reader, for reading user profile and AES in the Big Dipper smart card；And
The soft card management system of the Big Dipper, for completing the management to the soft card whole life cycle of the Big Dipper.
The soft card user terminal device of the Big Dipper includes antenna element, radio frequency unit, RDSS units, information processing and interface
Unit and power subsystem, embedded in the soft card of the Big Dipper and core algorithm in the RDSS units；The soft card of the Big Dipper is with number
The information and age information in existing Big Dipper smart card are represented according to mode, and these information are encrypted and the soft card use of the Big Dipper is injected
In the Flash flash memories of family terminal device.
The user profile include ID, incoming address, special first phase, service frequency, communication, levels, black designation,
Permanent out code, user characteristics value and user authentication information.
The Big Dipper card reader includes the intelligent neck circuit of the Big Dipper, single-chip microcomputer and peripheral circuit, TTL and turns USB and periphery electricity
Road and the intelligent deck of the Big Dipper；When in use, card reader and PC are connected using USB interface, Big Dipper smart card is inserted into Big Dipper intelligence
Energy deck, passes through user profile and AES in Card Reader software reading Big Dipper smart card in PC.
The generation of the whole life cycle of the soft card of the Big Dipper including the soft card of the Big Dipper in the Big Dipper Card Reader management system, injection,
Aerial dynamically distributes, long-range closing and cancellation.
The generation of the soft card of the Big Dipper includes reading user profile and AES using Big Dipper card reader, or directly in correlation
The Big Dipper user profile and AES of data mode are got by administrative department.
The generation of the soft card of the Big Dipper also includes the information of the soft card of the Big Dipper being injected into the soft card user terminal device of the Big Dipper, institute
Stating the information injection mode of the soft card of the Big Dipper includes wired injection mode, wireless injection mode or long-range injection mode；It is described wired
Injection mode is to be injected using PC by the RS-232 interface of the soft card user terminal of the Big Dipper；The wireless injection mode is to use
Mobile device is injected by the bluetooth or WiFi communication interface of the soft card user terminal device of the Big Dipper；The long-range injection mode is to make
Injected with Big Dipper aerospace communication channels by Big Dipper short message.
The generation of the soft card of the Big Dipper also includes generation Big Dipper age information, and the age information includes service timeliness and work class
Type；The age information includes service timeliness and job category；The service timeliness refers to the paid service time limit that user enjoys,
Big Dipper short message can be sent and received within the viability；The job category includes all weather operations and worked two kinds by the period
Mode；The all weather operations by time restriction, can not send Big Dipper short message at any time；It is described to be limited by period work by the time
System, Big Dipper short message is sent in the node or node interval of a series of activities time.
The aerial dynamically distributes include the aerial dynamically distributes for user profile, AES and age information,
For adjusting or distributing Big Dipper channel resource.
The cancellation of the soft card of the Big Dipper includes self-destruction or permanent closing, when the soft clamping of the Big Dipper receives the soft card family terminal device of the Big Dipper
" self-destruction " is instructed, or is received after " permanent to close " instruction that central control system is sent, and remote destroying is stored in Flash
The soft card user information of the Big Dipper, AES and kernel software.
The present invention is used represents that the soft card substitution of the Big Dipper of user profile, AES and age information etc. is passed with data mode
The Beidou subscriber machine smart card of system, and the soft card of embedded one or more Big Dipper in the soft card user terminal device of the Big Dipper, can
Big Dipper short message communication is completed, Big Dipper overlength message communication can be realized again, the security performance of the soft card of the Big Dipper is improved and using effect
Rate, strengthens the stability and reliability of Beidou user terminal device, expands the application of Beidou user terminal device, even
Go abroad and a kind of practical product of brand-new type spectrum is provided.
The soft card user terminal device of the Big Dipper and system of the present invention is more safe and stable, reliable, and type spectrum is more diversified,
Blank has been filled up, the channel resource of Beidou communication has also greatly been saved, has a extensive future.
Brief description of the drawings
Fig. 1 is the schematic diagram of the soft card user terminal device of the Big Dipper.
Fig. 2 is the application method schematic diagram of the soft card of the Big Dipper.
Fig. 3 is the fundamental diagram of the soft card user terminal system of the Big Dipper.
Fig. 4 is the schematic diagram of Big Dipper card reader.
Embodiment
As shown in figure 1, the soft card user terminal device 1 of the Big Dipper is the virtual Big Dipper smart card skill using the soft card of the embedded Big Dipper
Art, realizes a kind of new Beidou user terminal device of Big Dipper RDSS communications.The soft card user terminal device 1 of the Big Dipper is in physics knot
It is the Big Dipper using virtual, " invisible " Big Dipper smart card using the software users information inside injection terminal device in terms of structure
Soft card, substitutes the intelligent neck circuit of traditional Big Dipper, the Big Dipper smart card of the Big Dipper intelligent deck and Big Dipper smart card etc. " tangible "
Part, realizes that Big Dipper RDSS communicates, and the security confidentiality function including channel and information source.
Specifically, the soft card user terminal device 1 of the Big Dipper is in terms of complete machine composition, including antenna element 11, radio frequency unit 12,
RDSS units 13, information processing and the part such as interface unit 14 and power subsystem 15, without the intelligent neck circuit of the traditional Big Dipper,
The Big Dipper smart card components of the Big Dipper intelligence deck and Big Dipper smart card etc. " tangible ".
Antenna element 11 is located at equipment foremost, for being communicated by radio signal with Big Dipper GEO satellite（It is short message, fixed
Position, time service etc.）, it is divided into Big Dipper reception antenna and Big Dipper transmitting antenna two parts.Big Dipper reception antenna is that the S frequencies reception Big Dipper is defended
The electromagnetic wave signal of star transmitting is simultaneously converted into current signal, and this faint small-signal is sent into radio frequency unit；Big Dipper transmitting antenna
I.e. the current signal from radio frequency unit is converted into electromagnetic wave by L frequencies, goes upward to satellite forwarding, then land into ground control
The heart.
Radio frequency unit 12 is located between antenna element and RDSS units, for the frequency conversion and amplification of signal, is set in it
There is radio frequency chip, be divided into two passages of reception and transmitting.Receiving channel is used for the current signal from antenna element through too low
Then noise amplifier amplification is down-converted to intermediate frequency by 1615.68MHZ, and RDSS units are sent into after Analog-digital Converter.Hair
Penetrating passage is used to the digital domain information bit stream from RDSS units being modulated into bpsk signal, is upconverted to by intermediate frequency
2491.75MHZ, 30W is amplified to by power amplifier, is sent to Big Dipper transmitting antenna.
RDSS units 13 are located between radio frequency unit 12 and information processing and interface unit 14, for realizing that RDSS communicates,
It is to be embedded in the soft card of the Big Dipper and core algorithm in baseband chip, is divided into two parts of reception and transmitting.Receiving portion is used for
Acquiring pseudo code, tracking, despreading, demodulation, decoding etc. are carried out to exit signal, then by the information code after demodulation and some other
Status data sends into information process unit and interface unit；Emitting portion is used for information processing and the letter to be launched of interface unit
Number error control coding and spread processing are carried out, constituted to be launched with, flag of frame plus synchronous head, essence in data frame front portion
Inbound digital domain information Bitstream signal, send radio frequency unit to launch.
Information processing connects with interface unit 14 with RDSS units 13, at the communication information that is connected between equipment and user
The data processing of reason and user-defined format, is made up of serial line interface, interface module, main control MCU module and data processing module, connects
Mouth mold block is connected with serial line interface and main control MCU module respectively, including outbound and two parts of inbound.Outbound part is used to carry
Take the broadcast message of correlation, framing number, time difference data, while by outbound protocol format requirement, use is parsed in outbound information
Family specific information（Communication, positioning, time service）, information realizes decryption in the soft card of the Big Dipper, according still further to the requirement of subscriber computer data-interface
Data by serial ports are sent to user.Inbound part is used for the inbound request for receiving the user that serial ports is sent, and acquisition must
The information wanted, carries out communication with the soft card of the Big Dipper and obtains authentication code, also need to add information source simultaneously for communication information
It is close.Required to carry out framing shaping according to inbound protocol format, write RDSS units.
Power subsystem 15 is an independent power supply unit, is connected with information processing with interface unit 14, for northwards
The soft card user terminal device that struggles against provides stable working power.Power subsystem 15 includes being used to manage and form various burning voltages
The power management module of power supply and the battery/power source adapter powered for outside wide cut.
The Big Dipper soft card user terminal device is in terms of design principle, and by calling, the soft card information of the virtual Big Dipper realizes north
Struggled against RDSS services, and Beidou communication principle and Source Encryption mechanism are not changed.The soft card of the Big Dipper represents existing north with data mode
Full detail in full detail and age information in bucket smart card, existing Big Dipper smart card includes but is not limited to user's letter
Breath, AES.User profile, AES and age information etc. are encrypted according to customized method, and the soft card of the embedded Big Dipper
In the Flash flash memories of subscriber terminal equipment.
The establishment of the soft card of the Big Dipper and storage method include：Big Dipper user profile, AES and age information etc. are adopted
Encoded with binary mode, form binary message；Custom Encryption is carried out to the binary message after coding；Make by oneself
Binary message storage after justice encryption is injected into the memory of the electric erazable programmable of the soft card user terminal device of the Big Dipper, i.e.,
In Flash flash memories.The binary message after Custom Encryption can be injected into Flash using wired mode or wireless mode to dodge
In depositing, can also remotely it be injected into Flash flash memories by Big Dipper air traffic channel.Meanwhile, when the soft clamping of the Big Dipper, to receive the Big Dipper soft
" self-destruction " instruction of card family terminal device, or receive after " permanent to close " instruction that central control system is sent, auto-destruct
It is stored in all user profile, AES and kernel software in Flash.
In the insertion quantitative aspects of the soft card of the Big Dipper, the soft card user terminal device of the Big Dipper can very easily be embedded in one or
The soft card of multiple Big Dippeves, then according to the soft card quantity of the Big Dipper embedded in the soft card user terminal device of the Big Dipper, draw in terms of equipment type spectrum
It is divided into apparatus for packing and many card machines.When the soft inlay card of individual Big Dipper is entered into the soft card user terminal device of the Big Dipper, can be achieved with it is traditional
The consistent Big Dipper short message communication of Beidou user terminal device；When the soft inlay card of multiple Big Dippeves is entered into the soft card user terminal device of the Big Dipper
When, the Big Dipper overlength message communication that many card wheels in list radio-frequency channel are followed can be achieved, generally, overlength message refers to be more than the Big Dipper
Byte number that soft cartoon letters grade is accommodated, the file less than 30Kbit byte numbers.Can be with by the management to the soft card of the Big Dipper
Save Beidou communication channel.
As shown in Fig. 2 a kind of application method of the soft card of the Big Dipper, comprises the following steps：
（1）Satellite broadcasting information is received, duties section, data segment information is extracted；
（2）Extract Big Dipper standard time and equipment storage age information；
（3）Extract the user profile encrypted in Flash and decryption；
（4）Judge age information, step is gone to when effective（7）, when invalid, order performs step（5）；
（5）To authoring system return information；
（6）Authentication information is deleted, step is returned to（2）；
（7）Response to selection framing；
（8）Subscriber terminal equipment sends inbound application；
（9）Big Dipper short message length, framing number are sent to base band, and message is delivered the soft card core algorithm of the Big Dipper again and entered by key by base band
Row Big Dipper Source Encryption；
（10）When CRC check mistake, frequency suppress or inbound suppresses, step is returned to（1）, otherwise perform step（11）；And
（11）Inbound sends Big Dipper short message.
Realize that the method for traditional Big Dipper short message communication comprises the following steps using the apparatus for packing of the soft card of embedded Zhangbei County bucket：
（I）Originator：
Big-dipper satellite broadcast message is received, the information such as response framing, Big Dipper standard time are extracted；
When inbound suppresses, frequency suppresses, turn to wait next response framing；
Extract the user profile encrypted in Flash and age information and decrypt；
When age information is invalid, this Big Dipper short message refuses transmitting, and returns to response message to management system；
Big Dipper short message length, content and framing number etc. are sent to base band, base band again by message deliver the soft card encryption algorithm of the Big Dipper by
Key carries out Big Dipper Source Encryption；
During CRC check mistake, turn to wait next response framing；
Inbound sends Big Dipper short message.
（II）Destination：
Receive satellite broadcasting information；
Extract the user profile encrypted in Flash and age information and decrypt；
Judge whether to belong to the reception ID of the machine, broadcast ID, and whether equipment age information is effective；
If belonging to and effectively, receiving Big Dipper short message；
If be not belonging to or invalid, the satellite broadcasting information for receiving subsequent time is gone to.
Many card machines are on the basis of a radio-frequency channel, to be followed by many card wheels, and north is maximized in the frequency that communicates
Struggle against soft card resource, using handshake mechanism, one by one by Big Dipper short message communication, completes the transmission and reception of northern Big Dipper overlength message
Work.Big Dipper overlength message communication is realized using many card machines, i.e., using a kind of round-robin method of the soft card of multiple Big Dippeves, is chronologically existed
Using the soft card of whole Big Dippeves in one communication frequency, the circulation by multiple frequency is the accumulation of multiple Big Dipper short message communications come real
Existing Big Dipper overlength message communication.Under normal circumstances, transmission time is less than T：
T=int (C × (2+W/78.5)/N)；
Wherein：T is overlength message transfer time, and unit is minute；W is the byte length after compressing file, and unit is Kbit; C
For constant, value is 1.5, and unit is minute/Kbit；N is the soft card quantity of the Big Dipper.
N=int ((max P)/AV)；
Max P=max { P1, P2,…, Pi, …, PN, wherein, i=1,2 ..., N；
AV is the use time of the soft card of individual Big Dipper, including initialization time；Pi is the usage frequency of the soft card of i-th Zhangbei County bucket；
Using the user profile of the soft card of the 1st Zhangbei County bucket, Big Dipper short message is pushed to transmission channel；
Using the user profile of the soft card of the 2nd Zhangbei County bucket, Big Dipper short message is pushed to transmission channel；
By the order of sequence of natural numbers, the user profile of struggle against soft card is used to N Zhangbei County successively, and it is short to push the Big Dipper to transmission channel
Letter；So as to complete the traversal to user profile, the Big Dipper inbound communication of a communication frequency is completed.
Specifically include following steps：
（I）Originator
Using compression techniques process overlength message, therefore its form is unrestricted, such as word document, text document, picture；
Overlength message after compression is considered as a binary data stream, several packets are cut to, except last bag
Outside, the byte number that the length of each packet is accommodated by the soft cartoon letters grade of the Big Dipper；
Communicated using the method for Big Dipper short message communication with destination, realization is shaken hands；
These packets are sent to destination one by one using the method for Big Dipper short message communication；
Benefit bag is carried out according to the requirement of destination；
It is connected to destination's file and reduces unsuccessful instruction, is shaken hands again with destination；
Successful then this overlength message transmissions are finished；
（II）Destination
Communicated using the method for Big Dipper short message communication with originator, realization is shaken hands；
By handshake mechanism with being shaken hands；
Utilize the method received data packet one by one of Big Dipper short message communication；
Propose to mend bag application to originator；
Obtain after whole, correctly packet, generated data bag is a complete binary data stream, passes through the technology of decompression
Binary data stream is decompressed, so as to be reduced into the overlength message before sending；
File decompression is unsuccessful, and application of shaking hands again is proposed to originator；
Successful then send file reduction successful information to originator, this file reception finishes；
Under handshake mechanism, transmission success rate is 100%.
Big Dipper overlength message is sent out by the Beidou user terminal device of originator using transmission mechanism of shaking hands in the method
It is sent to the Beidou user terminal device of destination.In transmission mechanism of shaking hands, shake hands for the first time：Transmit direction destination and send two
The Big Dipper short message of individual connection, first connection request Big Dipper short message contains filename, subpackage number, second connection request Big Dipper short message
The Big Dipper subscriber card ID used containing originator, awaits a response.Second handshake：Destination receives the originator connection request Big Dipper
After short message, if destination is currently at idle condition, request Big Dipper short message is put into the queue of shaking hands of oneself, and will request
Big Dipper short message is sent back to originator；If leading in Big Dipper overlength message is carried out with the soft card user terminal device of other Big Dippeves
The busy state of letter, then be put into the not connected queue of oneself by request Big Dipper short message, and send refusal to originator and shake hands letter
Breath.Third time is shaken hands：Originator is received after the Big Dipper short message of destination's return, if destination agrees to set up connection, is continued
Subpackage number and packetized data are sent to destination；If destination's refusal sets up connection, wait destination's work to finish and go forward side by side
The related prompting of row.4-Way Handshake：Destination persistently receives subpackage, after last subpackage has been received, and returns to the subpackage number of packet loss
Or receive mark.Shake hands for 5th time：Originator, which is received, to be received after mark, terminates to send；Otherwise, according to receiving packet loss
Subpackage number carry out mend bag send, at most persistently mend Bao Sanci.
As shown in figure 3, present invention also offers a kind of soft card user terminal system of Big Dipper, including the soft card user terminal of the Big Dipper
Equipment 1, Big Dipper card reader 2 and the soft card management system 3 of the Big Dipper.
The structure and application method of the soft card user terminal device 1 of the Big Dipper are similar with foregoing relevant portion, mainly including antenna
Unit 11, radio frequency unit 12, RDSS units 13, information processing and the part such as interface unit 14 and power subsystem 15.The Big Dipper is soft
The main function of card user terminal device is to complete the functions such as communication, positioning, the time service of Big Dipper RDSS short messages, if in the Big Dipper
The soft card of multiple Big Dippeves is embedded in soft card user terminal device, then can also realize the communication of Big Dipper overlength message.
Big Dipper card reader 2 is used to read the user profile and AES in the Big Dipper smart card, as shown in figure 4, northern
Bucket card reader 2 mainly include the intelligent neck circuit 21 of the Big Dipper, single-chip microcomputer and peripheral circuit 22, TTL turn USB 23 and peripheral circuit,
The parts such as Big Dipper intelligence deck.When in use, card reader and PC are connected using USB interface, by the soft card insertion Big Dipper intelligence of the Big Dipper
Energy deck, passes through user profile and AES in the Card Reader software reading soft card of the Big Dipper in PC.
The soft card management system of the Big Dipper is used to complete the management to the soft card whole life cycle of the Big Dipper, includes the life of the soft card of the Big Dipper
Into, injection, aerial dynamically distributes, it is long-range the part such as close, it uses Big Dipper card reader to obtain the relevant information of Big Dipper smart card,
And complete the management such as generation, injection, aerial dynamically distributes, long-range closing and the cancellation of the soft card of the Big Dipper.
The generation of the soft card of the Big Dipper includes reading user profile using Big Dipper card reader, or directly in regulatory authorities neck
Take the Big Dipper user profile of data mode.Big Dipper user profile includes but is not limited to ID, incoming address, special first phase, clothes
Business frequency, communication, levels, black designation, permanent out code, user characteristics value, user authentication information etc..
The generation of the soft card of the Big Dipper also injection including the soft card information of the Big Dipper, generation age information etc., the management of the soft card of the Big Dipper
Aerial dynamically distributes including user profile, AES and age information, long-range closing and cancellation etc..The injection of the soft card of the Big Dipper
Including but not limited to following three kinds of injection modes：Wired injection mode：Using PC or filling gun, pass through the soft card user of the Big Dipper
The RS-232 interface injection of terminal；Wireless injection mode, i.e., using mobile device, by the bluetooth of the soft card user terminal of the Big Dipper or
WiFi communication interface injects；Long-range injection mode, i.e., using Big Dipper aerospace communication channels, injected by Big Dipper short message.
Big Dipper age information includes the information such as service timeliness, job category.Service timeliness refers to the paid clothes that user enjoys
It is engaged in the time limit, can sends and receive Big Dipper short message within the viability, otherwise, can not send or receive Big Dipper short message.In order to save
About the resource of Big Dipper channel, " all weather operations " and " being worked by the period " two classes are divided into by Big Dipper user according to job category,
Wherein, all weather operations sends Big Dipper short message at any time not by time restriction；By period work then by time restriction,
The node or node interval of a series of activities time sends Big Dipper short message, and the Big Dipper user worked by the period is exactly progress of the present invention
The object of channel management.For example, the Big Dipper user of some engineering project has A, B two, used as Big Dipper data set, every sets
Standby is that interval sends a Big Dipper short message all with 10 minutes.Big Dipper user A Big Dipper short message send timing node be 0 point,
10 points, 20 points, 30 points, 40 points, 50 points, Big Dipper user B Big Dipper short message send time point be 5 points, 15 points, 25 points, 35 points,
45 points, 55 points, so a Big Dipper channel distribution can just be used to two users.
The aerial dynamically distributes of the soft card of the Big Dipper are unified adjustment and distributing user letter the need for being managed according to the soft card of the Big Dipper
Breath, including age information.For certain needs, Big Dipper channel resource can be readjusted or distributed, such as passes through Big Dipper short message
The mode remotely injected changes user profile, AES and the age information of the soft card user terminal device of the Big Dipper, so that real
The aerial dynamically distributes of existing Big Dipper channel resource.
The cancellation of the soft card of the Big Dipper includes self-destruction or permanent closing etc..For certain needs, the soft card user terminal of the Big Dipper is set
Standby permanent closing.The long-range closing of the soft card of the Big Dipper refers to when the soft clamping of the Big Dipper receives the soft card family terminal device " self-destruction " of the Big Dipper
Order, or receive after " permanent to close " instruction that central control system is sent, the soft card of the Big Dipper that remote destroying is stored in Flash
User profile, AES and kernel software, further improve the confidentiality and security of the soft card user terminal system of the Big Dipper.
Present example is the foregoing is only, is not intended to limit the scope of the present invention.It is all the present invention
Any modification, equivalent substitution and improvements done within spirit and principle etc., are all contained within protection scope of the present invention.
Claims (17)
1. a kind of soft card user terminal device of the Big Dipper, including antenna element, radio frequency unit, RDSS units, information processing and interface
Unit and power subsystem, it is characterised in that bucket soft card at least Zhangbei County is embedded with the RDSS units；The Big Dipper is soft
Card is that the information and age information in existing Big Dipper smart card are represented with data mode, and the encryption of these information, injection is northern
Struggle against in the Flash flash memories of soft card user terminal device.
2. the soft card user terminal device of the Big Dipper according to claim 1, it is characterised in that the letter in the existing smart card
Breath includes user profile and AES.
3. establishment and the storage method of a kind of soft card of the Big Dipper, it is characterised in that comprise the following steps：
（1）Information and age information in Big Dipper smart card is encoded using binary mode, binary message is formed；
（2）Custom Encryption is carried out to the binary message after coding；
（3）Binary message after Custom Encryption is deposited and is injected into the electric erazable programmable of the soft card user terminal device of the Big Dipper
Memory in, i.e., in Flash flash memories.
4. establishment and the storage method of the soft card of the Big Dipper according to claim 3, it is characterised in that the soft card information of the Big Dipper
Injection mode include wired injection mode, wireless injection mode or long-range injection mode；
Wired injection mode is to be injected using PC by the RS-232 interface of the soft card user terminal of the Big Dipper；The wireless note
It is to be injected using mobile device by the bluetooth or WiFi communication interface of the soft card user terminal device of the Big Dipper to enter mode；It is described long-range
Injection mode is to be injected using Big Dipper aerospace communication channels by Big Dipper short message.
5. a kind of application method of the soft card of the Big Dipper, it is characterised in that comprise the following steps：
（1）Satellite broadcasting information is received, duties section, data segment information is extracted；
（2）Extract Big Dipper standard time and equipment storage age information；
（3）Extract the user profile encrypted in Flash and decryption；
（4）Judge age information, step is gone to when effective（7）, when invalid, order performs step（5）；
（5）To authoring system return information；
（6）Authentication information is deleted, step is returned to（2）；
（7）Response to selection framing；
（8）Subscriber terminal equipment sends inbound application；
（9）Big Dipper short message length, framing number are sent to base band, and message is delivered the soft card core algorithm of the Big Dipper again and entered by key by base band
Row Big Dipper Source Encryption；
（10）When CRC check mistake, frequency suppress or inbound suppresses, step is returned to（1）, otherwise perform step（11）；And
（11）Inbound sends Big Dipper short message.
6. a kind of round-robin method of the soft card of multiple Big Dippeves, it is characterised in that the soft card of multiple Big Dippeves shares a transmission channel, one
In individual communication frequency, bucket soft card in N Zhangbei County chronologically pushes Big Dipper short message to transmission channel；
N=int ((max P)/AV)；
Max P=max { P1, P2,…, Pi, …, PN, wherein, i=1,2 ..., N；
AV is the use time of the soft card of individual Big Dipper, including initialization time；PiFor the usage frequency of the soft card of i-th Zhangbei County bucket；
Using the user profile of the soft card of the 1st Zhangbei County bucket, Big Dipper short message is pushed to transmission channel；
Using the user profile of the soft card of the 2nd Zhangbei County bucket, Big Dipper short message is pushed to transmission channel；
By the order of sequence of natural numbers, the user profile of struggle against soft card is used to N Zhangbei County successively, and it is short to push the Big Dipper to transmission channel
Letter；So as to complete the traversal to user profile, the Big Dipper inbound communication of a communication frequency is completed.
7. a kind of transmission method of Big Dipper overlength message, it is characterised in that using shake hands transmission mechanism by Big Dipper overlength message from
Originator is sent to destination, wherein, the originator is received to send the soft card user terminal device of the Big Dipper of Big Dipper overlength message
Letter side is the soft card user terminal device of the Big Dipper for receiving Big Dipper overlength message.
8. the transmission method of Big Dipper overlength message according to claim 7, it is characterised in that the handshake mechanism is included such as
Lower step：
Shake hands for the first time：The Big Dipper short message that direction destination sends two connections is transmitted, first connection request Big Dipper short message contains
Filename, subpackage number, the Big Dipper subscriber card ID that second connection request Big Dipper short message is used containing originator, await a response；
Second handshake：Destination is received after originator connection request Big Dipper short message, if destination is currently at idle condition,
Request Big Dipper short message is put into the queue of shaking hands of oneself, and request Big Dipper short message is sent back to originator；If in
The busy state of Big Dipper overlength message communication is carried out with the soft card user terminal device of other Big Dippeves, then is put into request Big Dipper short message
Refusal handshaking information is sent to the not connected queue of oneself, and to originator；
Third time is shaken hands：Originator is received after the Big Dipper short message of destination's return, if destination agrees to set up connection, is continued
Subpackage number and packetized data are sent to destination；If destination's refusal sets up connection, wait destination's work to finish and go forward side by side
The related prompting of row；
4-Way Handshake：Destination persistently receives subpackage, after last subpackage has been received, and returns to the subpackage number of packet loss or has received
Finish mark；And
Shake hands for 5th time：Originator, which is received, to be received after mark, terminates to send；Otherwise, enter according to the subpackage number for receiving packet loss
Row is mended bag and sent, and at most persistently mends Bao Sanci.
9. a kind of soft card user terminal system of the Big Dipper, it is characterised in that including：
The soft card user terminal device of the Big Dipper, for completing RDSS communications, the soft card of at least Zhangbei County bucket has been embedded at it；The north
The soft card of bucket is to represent that the information in the information and age information in existing Big Dipper smart card, existing smart card includes with data mode
User profile and AES；
Big Dipper card reader, for reading user profile and AES in the soft card user terminal device of the Big Dipper；And
The soft card management system of the Big Dipper, for completing the management to the soft card whole life cycle of the Big Dipper.
10. the soft card user terminal system of the Big Dipper according to claim 9, it is characterised in that the user profile includes using
Family ID, incoming address, special first phase, service frequency, communication, levels, black designation, permanent out code, user characteristics value and use
Family authentication information.
11. the soft card user terminal system of the Big Dipper according to claim 9, it is characterised in that the Big Dipper card reader includes
Big Dipper intelligence neck circuit, single-chip microcomputer and peripheral circuit, TTL turn USB and peripheral circuit and the intelligent deck of the Big Dipper；When in use,
Card reader and PC are connected using USB interface, Big Dipper smart card is inserted into the intelligent deck of the Big Dipper, read by Card Reader software in PC
Take the user profile and AES in Big Dipper smart card.
12. the soft card user terminal system of the Big Dipper according to claim 9, it is characterised in that the Big Dipper Card Reader management system
The whole life cycle of the soft card of the Big Dipper includes generation, injection, aerial dynamically distributes, long-range closing and the note of the soft card of the Big Dipper in system
Pin.
13. the soft card user terminal system of the Big Dipper according to claim 12, it is characterised in that the generation of the soft card of the Big Dipper includes
User profile and AES are read using Big Dipper card reader, or the Big Dipper of data mode is directly got in regulatory authorities
User profile and AES.
14. the soft card user terminal system of the Big Dipper according to claim 12, it is characterised in that the generation of the soft card of the Big Dipper is also wrapped
Include and the information of the soft card of the Big Dipper is injected into the soft card user terminal device of the Big Dipper, the information injection mode bag of the soft card of the Big Dipper
Include wired injection mode, wireless injection mode or long-range injection mode；
Wired injection mode is to be injected using PC by the RS-232 interface of the soft card user terminal of the Big Dipper；The wireless note
It is to be injected using mobile device by the bluetooth or WiFi communication interface of the soft card user terminal device of the Big Dipper to enter mode；It is described long-range
Injection mode is to be injected using Big Dipper aerospace communication channels by Big Dipper short message.
15. the soft card user terminal system of the Big Dipper according to claim 12, it is characterised in that the generation of the soft card of the Big Dipper is also wrapped
Generation Big Dipper age information is included, the age information includes service timeliness and job category；The service timeliness refers to that user enjoys
In the paid service time limit received, Big Dipper short message can be sent and received within the viability；The job category includes round-the-clock work
Make and by period work two ways；The all weather operations by time restriction, can not send Big Dipper short message at any time；It is described to press
Period work is sent Big Dipper short message by time restriction in the node or node interval of a series of activities time.
16. the soft card user terminal system of the Big Dipper according to claim 12, it is characterised in that the aerial dynamically distributes bag
The aerial dynamically distributes for user profile, AES and age information are included, for adjusting or distributing Big Dipper channel resource.
17. the soft card user terminal system of the Big Dipper according to claim 12, it is characterised in that the cancellation of the soft card of the Big Dipper includes
Self-destruction or it is permanent close, when the soft clamping of the Big Dipper receives " self-destruction " instruction of the soft card family terminal device of the Big Dipper, or receive center control
After " permanent close " instruction that system processed is sent, the soft card user information of the Big Dipper that remote destroying is stored in Flash, AES
And kernel software.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948957A (en) * | 2017-11-15 | 2018-04-20 | 广西师范学院 | A kind of control system of Big Dipper terminal for Big Dipper short message transmitting |
| CN109005535A (en) * | 2018-09-06 | 2018-12-14 | 中国电子科技集团公司第五十四研究所 | A kind of method that multiple virtual Beidou cards realize Beidou communication function |
| CN109257737A (en) * | 2018-11-07 | 2019-01-22 | 北京天海达科技有限公司 | A kind of Beidou long message sending device and method |
| CN109951840A (en) * | 2019-03-06 | 2019-06-28 | 成都国星通信有限公司 | A kind of more smart card extended methods and system |
| 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 |
| CN110826667A (en) * | 2019-11-05 | 2020-02-21 | 深圳市远东华强导航定位有限公司 | Beidou RD smart card remote card reading method |
| 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 |
| CN111049567A (en) * | 2019-11-21 | 2020-04-21 | 北京天海达科技有限公司 | Implementation method of Beidou user card validity period management mode |
| CN113316102A (en) * | 2021-05-26 | 2021-08-27 | 中国电子科技集团公司第五十四研究所 | Information high-reliability transmission method based on Beidou short message |
| CN113721269A (en) * | 2021-08-27 | 2021-11-30 | 中电科星河北斗技术(西安)有限公司 | Beidou short message transmission optimization method and device, receiver and storage medium |
| CN117042006A (en) * | 2023-08-17 | 2023-11-10 | 齐鲁空天信息研究院 | Beidou embedded equipment remote control operation and maintenance method and device and electronic equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101400180A (en) * | 2007-09-25 | 2009-04-01 | 中兴通讯股份有限公司 | Method for substituting conventional mobile phone card by virtual data card |
| CN103260157A (en) * | 2012-05-07 | 2013-08-21 | 中国交通通信信息中心 | User management system based on satellite communication services and application method thereof |
| CN103259654A (en) * | 2012-05-07 | 2013-08-21 | 中国交通通信信息中心 | Intelligent card management system based on satellite communication service |
| CN103841463A (en) * | 2014-02-27 | 2014-06-04 | 四川金网通电子科技有限公司 | Method for controlling broadcasting of OTT by means of single-direction CA authorization |
| CN104634996A (en) * | 2014-12-31 | 2015-05-20 | 华安星科（北京）信息技术有限公司 | Wind detecting method and wind detecting system based on Beidou satellite communication |
| CN104918244A (en) * | 2014-03-11 | 2015-09-16 | 宇龙计算机通信科技(深圳)有限公司 | Terminal and terminal communication method |
| CN106405591A (en) * | 2016-10-12 | 2017-02-15 | 宁波市鄞州意诺工业设计有限公司 | Method for processing the message information of satellite radio navigation system |
-
2017
- 2017-06-14 CN CN201710446323.7A patent/CN107241133A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101400180A (en) * | 2007-09-25 | 2009-04-01 | 中兴通讯股份有限公司 | Method for substituting conventional mobile phone card by virtual data card |
| CN103260157A (en) * | 2012-05-07 | 2013-08-21 | 中国交通通信信息中心 | User management system based on satellite communication services and application method thereof |
| CN103259654A (en) * | 2012-05-07 | 2013-08-21 | 中国交通通信信息中心 | Intelligent card management system based on satellite communication service |
| CN103841463A (en) * | 2014-02-27 | 2014-06-04 | 四川金网通电子科技有限公司 | Method for controlling broadcasting of OTT by means of single-direction CA authorization |
| CN104918244A (en) * | 2014-03-11 | 2015-09-16 | 宇龙计算机通信科技(深圳)有限公司 | Terminal and terminal communication method |
| CN104634996A (en) * | 2014-12-31 | 2015-05-20 | 华安星科（北京）信息技术有限公司 | Wind detecting method and wind detecting system based on Beidou satellite communication |
| CN106405591A (en) * | 2016-10-12 | 2017-02-15 | 宁波市鄞州意诺工业设计有限公司 | Method for processing the message information of satellite radio navigation system |
Non-Patent Citations (1)
| Title |
|---|
| 李昕萌: ""低信噪比RDSS入站信号快速捕获技术研究"", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948957A (en) * | 2017-11-15 | 2018-04-20 | 广西师范学院 | A kind of control system of Big Dipper terminal for Big Dipper short message transmitting |
| CN109005535A (en) * | 2018-09-06 | 2018-12-14 | 中国电子科技集团公司第五十四研究所 | A kind of method that multiple virtual Beidou cards realize Beidou communication function |
| CN109257737A (en) * | 2018-11-07 | 2019-01-22 | 北京天海达科技有限公司 | A kind of Beidou long message sending device and method |
| CN109257737B (en) * | 2018-11-07 | 2019-11-26 | 北京天海达科技有限公司 | A kind of Beidou long message sending device and method |
| CN109951840A (en) * | 2019-03-06 | 2019-06-28 | 成都国星通信有限公司 | A kind of more smart card extended methods and system |
| 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 |
| CN110826667A (en) * | 2019-11-05 | 2020-02-21 | 深圳市远东华强导航定位有限公司 | Beidou RD smart card remote card reading method |
| CN110826667B (en) * | 2019-11-05 | 2023-03-14 | 深圳市远东华强导航定位有限公司 | Beidou RD smart card remote card reading method |
| CN111049567A (en) * | 2019-11-21 | 2020-04-21 | 北京天海达科技有限公司 | Implementation method of Beidou user card validity period management mode |
| 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 |
| CN113316102A (en) * | 2021-05-26 | 2021-08-27 | 中国电子科技集团公司第五十四研究所 | Information high-reliability transmission method based on Beidou short message |
| CN113721269A (en) * | 2021-08-27 | 2021-11-30 | 中电科星河北斗技术(西安)有限公司 | Beidou short message transmission optimization method and device, receiver and storage medium |
| CN113721269B (en) * | 2021-08-27 | 2024-03-26 | 中电科星河北斗技术(西安)有限公司 | Beidou short message transmission optimization method and device, receiver and storage medium |
| CN117042006A (en) * | 2023-08-17 | 2023-11-10 | 齐鲁空天信息研究院 | Beidou embedded equipment remote control operation and maintenance method and device and electronic equipment |
| CN117042006B (en) * | 2023-08-17 | 2024-04-26 | 齐鲁空天信息研究院 | Beidou embedded equipment remote control operation and maintenance method and device and electronic equipment |
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Application publication date: 20171010 |