CN109116380A - A kind of GNSS receiver, positioning system and method based on GNSS receiver - Google Patents
A kind of GNSS receiver, positioning system and method based on GNSS receiver Download PDFInfo
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- CN109116380A CN109116380A CN201810783945.3A CN201810783945A CN109116380A CN 109116380 A CN109116380 A CN 109116380A CN 201810783945 A CN201810783945 A CN 201810783945A CN 109116380 A CN109116380 A CN 109116380A
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- gnss
- receiver
- location information
- master control
- terminal
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- 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
- G01S19/13—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
- G01S19/40—Correcting position, velocity or attitude
- G01S19/41—Differential correction, e.g. DGPS [differential GPS]
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
Positioning system and method the invention discloses a kind of GNSS receiver, based on GNSS receiver.The GNSS receiver includes: GNSS board, GNSS antenna and master control borad, and GNSS board is communicated to connect with GNSS antenna and master control borad respectively；GNSS antenna acquires the wireless signal of satellite, and transmits radio signals to GNSS board；GNSS board generates original receiver location information according to wireless signal；After master control borad reception carrys out the Location Request of self terminal, original receiver location information is sent to terminal；Master control borad receives the difference information that the station CORS of terminal forwarding is generated according to original receiver location information, and difference information is sent to GNSS board；GNSS board generates revised receiver location information according to difference information.Realization of the embodiment of the present invention reduces costs and easy to carry while high accuracy positioning.
Description
Technical field
The present embodiments relate to location technology more particularly to a kind of GNSS receiver, based on the positioning of GNSS receiver
System and method.
Background technique
RTK (Real-time Kinematic, carrier difference technology) is two measuring station carrier phase measurements of real-time processing
Differential technique, it can provide three-dimensional localization of the measuring station in specified coordinate system as a result, and reaching Centimeter Level very in real time
To millimetre-sized positioning accuracy.Based on this, the receiver (abbreviation RTK receiver) based on RTK is widely used in navigating and survey and draw
Field.
In the prior art, in high-acruracy survey, RTK receiver it is usually used be network 1+1 or radio station 1+1
Operating mode, that is, assume a RTK receiver as base station, differential data is sent by way of network or radio station, it is another
Platform, as movement station, directly receives differential data and is resolved, obtain location information for received RTK receiver；Alternatively, making
For movement station RTK receiver by network log in CORS (Continuous Operating Reference Stations,
Continuous operation of the reference station) stand receive differential data resolved, obtain location information.Though above-mentioned can realize high accuracy positioning,
RTK equipment price is expensive.
The scene of high accuracy positioning requirement is not needed for most of in life come being positioned using RTK equipment is just had
It loses more than gain, while common terminal is again because positioning accuracy is too low to reach requirement.Based on this, it is necessary to upper
The problem of stating is studied, with realize under the premise of meeting scene to positioning accuracy request, reduce positioning device spent by
This.
Summary of the invention
The embodiment of the present invention provides a kind of GNSS receiver, positioning system and method based on GNSS receiver, to realize
Cost is reduced while high accuracy positioning.
In a first aspect, the embodiment of the invention provides a kind of GNSS receiver, the GNSS receiver include: GNSS board,
GNSS antenna and master control borad, the GNSS board are communicated to connect with the GNSS antenna and the master control borad respectively, in which:
The wireless signal of the GNSS antenna acquisition satellite, and the wireless signal is sent to the GNSS board；Institute
It states GNSS board and generates original location information according to the wireless signal；
After the master control borad reception carrys out the Location Request of self terminal, the original receiver location information is sent to institute
State terminal；Believed according to the difference that the original location information generates at the station CORS that the master control borad receives the terminal forwarding
Breath, and the difference information is sent to the GNSS board；
The GNSS board generates revised receiver location information according to the difference information.
Further, further includes: the GNSS board is believed the revised receiver positioning by the master control borad
Breath is sent to the terminal.
Further, which further includes communication module, and the communication module is used for the master control borad and terminal
Establish communication connection.
Further, the communication module includes bluetooth unit, and the bluetooth unit is built for the master control borad with terminal
Vertical wireless communication connection.
Further, the communication module further includes USB unit, and the USB unit is built for the master control borad with terminal
Vertical wire communication connection.
Further, which further includes power module, the power module respectively with the GNSS board, institute
State GNSS antenna, the master control borad is connected with the communication module and is provided electric energy.
Second aspect, the embodiment of the invention also provides a kind of positioning system based on GNSS receiver, the positioning systems
Including GNSS receiver described in the embodiment of the present invention.
Further, which further includes terminal, and the terminal and the master control borad communicate to connect；
The terminal sends Location Request to the master control borad, receive the GNSS board of master control borad forwarding according to
The original receiver location information that the wireless signal of the GNSS antenna acquisition satellite received generates, and will be described original
Receiver location information be sent to the station CORS, receive what the station the CORS was generated according to the original receiver location information
Difference information, and the difference information is sent to the master control borad.
The third aspect, the embodiment of the invention also provides a kind of localization methods based on GNSS receiver, are applied to this hair
GNSS receiver described in bright embodiment, the localization method include:
The wireless signal of satellite is acquired by GNSS antenna, and the wireless signal is sent to GNSS board；
Original receiver location information is generated according to the wireless signal by the GNSS board；
After the Location Request of self terminal, the original reception is obtained from the GNSS board by master control borad reception
The original receiver location information is sent to the terminal by machine location information, and receives the CORS of the terminal forwarding
The difference information stood according to the original receiver location information generation, and the difference information is sent to the GNSS
Board；
Revised receiver location information is generated according to the difference information by the GNSS board.
Further, described that revised receiver positioning letter is generated according to the difference information by the GNSS board
After breath, further includes:
The revised receiver location information is sent to the master control borad by the GNSS board；
The revised receiver location information is sent to the terminal and in the terminal by the master control borad
Upper display.
The embodiment of the present invention acquires the wireless signal of satellite by GNSS antenna, and transmits radio signals to GNSS plate
Card, GNSS board generate original receiver location information according to wireless signal, and master control borad receives the Location Request for carrying out self terminal
Afterwards, original receiver location information is sent to terminal, the CORS that master control borad receives terminal forwarding stands according to original reception
The difference information that machine location information generates, and difference information is sent to GNSS board, GNSS board is generated according to difference information
Revised receiver location information, solving GNSS receiver in the prior art, structure is complicated, at high cost and not readily portable
The problem of, realization reduces costs while high accuracy positioning.
Detailed description of the invention
Fig. 1 a is the structural schematic diagram of one of the embodiment of the present invention one GNSS receiver；
Fig. 1 b is the structural schematic diagram of positioning system of one of the embodiment of the present invention one based on GNSS receiver；
Fig. 1 c is the structural schematic diagram of the login interface of one of the embodiment of the present invention one application program；
Fig. 1 d is the prototype structure schematic diagram of one of the embodiment of the present invention one GNSS receiver；
Fig. 1 e is the schematic diagram of one of the embodiment of the present invention one GNSS receiver and terminal communication connection；
Fig. 2 is the page schematic diagram that one of embodiment of the present invention two shows original receiver location information；
Fig. 3 is the flow chart of localization method of one of the embodiment of the present invention three based on GNSS receiver.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 a is a kind of structural schematic diagram for GNSS receiver that the embodiment of the present invention one provides, and the present embodiment is applicable to
The case where being positioned using GNSS receiver, as shown in Figure 1a, the GNSS receiver 1 can specifically include: GNSS board 11,
GNSS antenna 12 and master control borad 13, GNSS board 11 are communicated to connect with GNSS antenna 12 and master control borad 13 respectively, and Fig. 1 b gives
The structural schematic diagram of positioning system based on GNSS receiver is illustrated its structure and function below with reference to Fig. 1 b.
GNSS antenna 12 acquires the wireless signal of satellite, and transmits radio signals to GNSS board 11；GNSS board 11
Original receiver location information is generated according to wireless signal.
After the reception of master control borad 13 carrys out the Location Request of self terminal 2, original receiver location information is sent to terminal 2；
Master control borad 13 receives the difference information that the station GORS that terminal 2 forwards is generated according to original receiver location information, and by difference
Information is sent to GNSS board 11.
GNSS board 11 generates revised receiver location information according to difference information.
In an embodiment of the present invention, Global Satellite Navigation System (Global Navigation Satellite
System, GNSS) be using BDS (BeiDou Navigation Satellite System, Beidou satellite navigation system),
GPS (Global Positioning System, Global Navigation System), GLONASS (Global Navigation
Sateliite System, Global Satellite Navigation System) and GALILEO (Galileo Satellite Navigation
System, galileo satellite navigation system) etc. global position systems, bond area difference and wide area enhancement system etc. provide complete
Ball in real time, all weather navigation positioning service.GNSS receiver is that one kind can receive, tracks, converts and measure GNSS satellite and leads
The radio receiving equipment for positioning signal of navigating, it had not only had the general character of radio receiving equipment, but also had capture, tracking and processing
The characteristic of faint GNSS satellite signal.The groundwork of GNSS receiver is most accurately to capture certain satellite altitude cut-off
The selected satellite to be measured signal in angle, and the basic running track of these satellites is tracked, received satellite-signal is carried out
The signal processings such as transformation, amplification calculate propagation time of the satellite-signal between satellite to GNSS receiver for meter, compile
The navigation message for translating GNSS satellite transmission calculates the practical three-dimensional position of GNSS receiver, rate and uses the time.GNSS connects
Receipts machine can receive the satellite-signal of multiple navigation system simultaneously, and user can carry out selective positioning mode according to their own needs,
Also multi satellites joint positioning can be used.In order to improve the positioning accuracy of GNSS receiver, CORS technology can be used.Wherein, CORS
It is a kind of based on the novel of the interdisciplinary studies such as terrestrial space technology, electronics science, computer technology, network technology and mechanics of communication
Satellite positioning tech.CORS basic principle is in required coverage area, to press one according to demand using GNSS location and navigation technology
Determine several fixed GNSS reference stations that distribution density establishes continuous operation, using network and mechanics of communication, by each reference station it
Between, organic linking between reference station and data processing centre, data processing centre by observation data that reference station is uploaded into
Row analysis is handled, calculates and is stored, and establishes system model, is generated difference information and is carried out transmission and distributes so as to user's use, it
Original GNSS receiver location information and revised GNSS receiver location information can be provided afterwards to all types of user.Its
In, data processing centre is the core of CORS, can specifically include service management unit and data processing unit, in logarithm
While according to being managed and safeguarding, also user is effectively managed.When user needs to carry out production operation using CORS
When, it can stand to CORS and send original GNSS receiver location information, the station CORS positions letter according to original GNSS receiver
Breath determines the position of GNSS receiver, and the automatic virtual reference station combination of surrounding, reference station combination include extremely in the position
A few reference station carries out difference processing to original receiver location information, obtains difference according to the observation data that this is combined
Divide information, and difference information is sent to GNSS receiver, GNSS receiver again resolves difference information, just can obtain
Revised receiver location information.Technology of network RTK is to realize that high-precision difference is fixed by mathematical model based on CORS system
Bit function.Currently, according to different mathematical algorithms, multiple network RTK technology is produced, can specifically include VRS (Virtual
Reference Staion, virtual reference station), MAC (Master-Auxiliary Concept, major-minor station), FKP, CBI and connection
Close single reference station etc..
It should be noted that the data interaction that CORS here stands between GNSS receiver can directly pass through GNSS and receive
Machine realize, can also be realized by third party device (such as terminal), this depending on GNSS receiver whether have with CORS stand into
The function of row data interaction.In other words, specific implementation is related with the structure of GNSS receiver, of course for simplified GNSS
The structure complexity of receiver, it is contemplated that using the implementation cooperated with third party device (such as terminal).The embodiment of the present invention
Technical solution will using third party device (such as terminal) cooperation by the way of realize GNSS receiver and CORS station between data
Interaction, is below further described GNSS receiver, specific:
GNSS receiver 1 can specifically include GNSS board 11, GNSS antenna 12 and master control borad 13, wherein GNSS board
11 communicate to connect with GNSS antenna 12 and master control borad 13 respectively.GNSS antenna 12 acquires the wireless signal of satellite, and by wireless communication
Number it is sent to GNSS board 11, GNSS board 11 generates original receiver location information according to wireless signal.That is GNSS antenna
12 convert the satellite-signal that GNSS antenna 11 acquires to original receiver location information with the cooperation of GNSS board 11.Specifically
, after GNSS antenna 12 receives the wireless signal from satellite, by feeder line by wireless signal transfer to GNSS board 11
Rf inputs generate the intermediate-freuqncy signal for being suitble to analog-converted after the satellite-signal by operations such as amplification, filtering, down coversions,
Analog-digital converter in GNSS board 11 is digitized after receiving the intermediate-freuqncy signal, and exports the digital signal of certain digit
To the baseband processing chip of GNSS board 11, baseband processing chip carries out a series of Digital Signal Processing to intermediate-freuqncy signal with extensive
The receiver location information for appearing again original.Wherein, original receiver location information can specifically include longitude information, latitude letter
Breath and elevation information.Wireless signal can specifically include carrier signal, pseudo noise code and navigation message etc..Carrier signal is for adjusting
Pseudo noise code processed and navigation message；Pseudo noise code is a "ON", the sequence of "Off" pulse, is generated by satellite and is sent to GNSS
Receiver, modulation navigation message form combinational code, i.e. C/A code and P code；Navigation message be about satellite orbit, clock correction and
The low frequency signal of other system status informations.In addition, it should be noted that, by GNSS board 11 to the solution of above-mentioned wireless signal
Analysis, the status information for the satellite that can also be captured can specifically include the number of satellite captured, satellite number and defend
Star names claims.
It, specifically can be with according to described previously it is found that CORS technology can be used in order to obtain the higher location information of accuracy
Original receiver location information is sent to the station CORS, stands from CORS and obtains difference information, GNSS receiver 1 is further according to difference
Information generates revised receiver location information.It needs GNSS receiver 1 and CORS to stand and carries out data interaction, and for letter
The structure complexity for changing GNSS receiver, using the implementation cooperated with terminal 2.Specific: master control borad 13 receives terminal 2
After the Location Request of transmission, original receiver location information is obtained from GNSS board 11, and original receiver is positioned into letter
Breath is sent to terminal 2, and the station CORS for receiving the forwarding of terminal 2 is believed according to the difference that original receiver location information generates
Breath, and difference information is sent to GNSS board 11.I.e. when needing to obtain the location information of higher precision, end can be passed through
End 2 sends Location Request to master control borad 13, wherein the original receiver that Location Request is used to obtain the generation of GNSS board 11 is fixed
Position information, after master control borad 13 receives the Location Request, obtains original receiver location information from GNSS board 11, will be former
The receiver location information of beginning is sent to terminal 2, which is sent to the station CORS again by terminal 2,
The station CORS is handled to obtain difference information to the original receiver location information received, and difference information is sent to end
End 2, the difference information received is sent to master control borad 13 by terminal 2, which is sent to GNSS plate again by master control borad 13
Card 11.It can be seen that master control borad 13 plays the role of carrying out data interaction with terminal 2, terminal 2 is played to stand with CORS and be carried out
The effect of data interaction, to realize the data interaction of GNSS receiver 1 and the station CORS by terminal 2.
It should be noted that terminal 2 and CORS station data interaction can be accomplished in that user in advance to
CORS station administration person buys the account at the station connection CORS, and the system manager at the station CORS provides a user one while providing account
A IP address and port numbers.User can log in the station CORS by application program relevant in terminal 2, and then by original reception
Machine location information is sent to the station CORS, usually requires to fill in relevant log-on message in login process, log-on message has here
Body can refer to IP address, port numbers and user account, wherein user account includes username and password.In other words, user
It can be by inputting IP address, port numbers and user account (i.e. user name in the login interface of the application program in terminal 2
And password) generate log-on message give the structural schematic diagram of the login interface of application program as illustrated in figure 1 c.Log at
After function, then original receiver location information is sent to by CORS by wireless network or mobile network and is stood.Equally, CORS stands
Terminal can will be sent to according to the difference information of original receiver location information generation by wireless network or mobile network
2, the data interaction between terminal 2 and the station CORS is realized with this.
It should be noted that terminal 2 can be mobile terminal, illustratively, such as mobile phone or tablet computer.It specifically can be with
It is selected, is not specifically limited herein according to the actual situation.
The difference information that GNSS board 11 sends the master control borad 13 received resolves, and generates revised receiver
The positioning accuracy of location information, the revised receiver location information has substantially compared to original receiver location information
The raising of degree.By the above process, the higher location information of accuracy has been obtained.
For compared with the prior art, by simplifying the structure of GNSS receiver, manufacturing cost is reduced, so that GNSS connects
Receipts machine is small in size, light-weight, easy to carry.Meanwhile the data interaction stood with CORS is realized as forwarding by terminal, reach
Positioning accuracy same as original GNSS receiver, further, since human-computer interaction interface is realized in terminal, operating aspect is handed over
Mutual friendly interface.
The technical solution of the present embodiment, the wireless signal of satellite is acquired by GNSS antenna, and is transmitted radio signals to
GNSS board, GNSS board generate original receiver location information according to wireless signal, and master control borad, which receives, carrys out determining for self terminal
After the request of position, original receiver location information is sent to terminal, the CORS that master control borad receives terminal forwarding stands according to original
The difference information that generates of receiver location information, and difference information is sent to GNSS board, GNSS board is believed according to difference
Breath generates revised receiver location information, and solving GNSS receiver in the prior art, structure is complicated, at high cost and inconvenient
In carry the problem of, realization reduced costs while high accuracy positioning.
It optionally, based on the above technical solution, specifically can also include: that GNSS board 11 will by master control borad 13
Revised receiver location information is sent to terminal 2.
In an embodiment of the present invention, revised receiver location information can be sent to master control borad by GNSS board 11
13, revised receiver location information is sent to terminal 2 again by master control borad 13, so that terminal 2 shows revised receiver
Location information, and then family can be used, revised receiver location information is known by terminal 2.
Optionally, as shown in Figure 1 b, based on the above technical solution, it can also include specifically communication module 14, lead to
Believe that module 14 is established for master control borad 13 and terminal 2 to communicate to connect.
In an embodiment of the present invention, GNSS receiver 1 specifically can also include communication module 14, wherein communication module
14 can be used for establishing the communication connection between master control borad 13 and terminal 2.Communication connection can for wireless communication connection, as bluetooth,
Wi-Fi (Wireless Fidelity, Wireless Fidelity) or ZigBee etc.；Or wire communication connection, such as USB
(Universal Serial Bus, universal serial bus) etc..Specific implementation can be set according to the actual situation, herein
It is not especially limited.
Optionally, as shown in Figure 1 b, based on the above technical solution, communication module 14 can specifically include bluetooth list
Member 141, bluetooth unit 141 establish wireless communication connection for master control borad 13 and terminal 2.
In an embodiment of the present invention, communication module 14 can specifically include bluetooth unit 141, wherein bluetooth unit 141
It can be used for establishing the wireless communication connection between master control borad 13 and terminal 2.
Optionally, as shown in Figure 1 b, based on the above technical solution, communication module 14 specifically can also include USB
Unit 142, USB unit 142 are established wire communication with terminal 2 for master control borad 13 and are connect.
In an embodiment of the present invention, communication module 14 specifically can also include USB unit 142, wherein USB unit 142
It specifically can be used for establishing the wire communication connection between master control borad 13 and terminal 2.
It optionally, as shown in Figure 1 b, based on the above technical solution, specifically can also include power module 15, electricity
Source module 15 is connected with GNSS board 11, GNSS antenna 12, master control borad 13 and communication module 14 respectively and is provided electric energy.
In an embodiment of the present invention, GNSS receiver 1 specifically can also include power module 15, wherein power module
15 are connected with GNSS board 11, GNSS antenna 12, master control borad 13 and communication module 14 respectively, and provide electricity for above-mentioned modules
Energy.I.e. power module 15 is used to provide electric energy for GNSS receiver 1.Power module 15 can specifically include interior power unit and outer
Power supply unit, illustratively, if interior power unit can be lithium battery, dispatch from foreign news agency source unit can be chargeable direct current cadmium nickel electricity
Pond group.
In addition, Fig. 1 d shows the prototype structure schematic diagram of GNSS receiver；Fig. 1 e shows GNSS receiver and terminal
The schematic diagram of wire communication connection is established by USB unit.
Embodiment two
Fig. 1 b is a kind of structural schematic diagram of the positioning system based on GNSS receiver provided by Embodiment 2 of the present invention, this
Embodiment is applicable to the case where being positioned using GNSS receiver, and as shown in Figure 1 b, which can specifically include:
GNSS receiver 1 can also include specifically terminal 2, be illustrated below to its structure and function.
2 terminal of terminal and master control borad 13 communicate to connect.
Terminal 2 sends Location Request to master control borad 13, receives GNSS board 11 that master control borad 13 forwards according to receiving
GNSS antenna 12 acquires the original receiver location information that the wireless signal of satellite generates, and original receiver is positioned letter
Breath is sent to the station CORS, receives the difference information that the station CORS is generated according to original receiver location information, and by difference information
It is sent to master control borad 13.
In an embodiment of the present invention, as shown in Figure 1 b, GNSS receiver 1 can specifically include: GNSS board 11, GNSS
Antenna 12, master control borad 13, communication module 14 and power module 15.Modules and implementation in GNSS receiver 1 described above
Modules are identical in GNSS receiver described in example one, no longer specifically repeat herein.
Terminal 2 sends Location Request to master control borad 13, and master control borad 13 is according to the Location Request received, from GNSS board 11
It is middle to obtain original receiver location information, original receiver location information is sent to terminal 2, terminal 2 connects original
Receipts machine location information is sent to the station CORS, and the station CORS carries out processing to original receiver location information and generates difference information, and
Difference information is sent to terminal 2, difference information is sent to master control borad 13 again by terminal 2, and master control borad 13 sends difference information
To GNSS board 11, GNSS board 11, which resolve to difference information, generates revised receiver location information.It is basic herein
On, revised receiver location information can be sent to master control borad 13 by GNSS board 11, and master control borad 13 again will be revised
Receiver location information is sent to terminal 2, and terminal 2 will show revised receiver location information.
It should be noted that original receiver location information may be displayed in terminal 2, in addition, described in embodiment one
The status information of satellite also may be displayed in terminal 2, as shown in Fig. 2, showing original receiver location information in terminal 2
And the status information of satellite.Wherein, original receiver location information includes longitude information " 121 ° 17 ' 16.90881294 "
(east longitude) ", latitude information " 31 ° 9 ' 57.32471015 " (north latitude) " and elevation information " 39.176 "；The status information packet of satellite
Include number of satellite, satellite number and satellite designation.In addition, as shown in Fig. 2, specifically can be with display type, type tool in terminal 2
Body may include single-point, multiple spot and to be measured.Wherein, the positioning accuracy of single-point is lower than the positioning accuracy of multiple spot, to be measured to indicate
Stable original receiver location information is not obtained also.Terminal described here can be mobile phone or tablet computer etc..
The technical solution of the present embodiment solves GNSS in the prior art by using previously described GNSS receiver
Complicated, the at high cost and not readily portable problem of receiver structure, realization reduce costs while high accuracy positioning.
Embodiment three
Fig. 3 is a kind of flow chart for localization method based on GNSS receiver that the embodiment of the present invention three provides, this implementation
Example is applicable to the case where being positioned using GNSS receiver, and this method can be executed by GNSS receiver, which connects
Receipts machine can be realized by the way of software and/or hardware.As shown in figure 3, the localization method specifically comprises the following steps:
Step 310, the wireless signal that satellite is acquired by GNSS antenna, and transmit radio signals to GNSS board.
Step 320 generates original receiver location information according to wireless signal by GNSS board.
Step 330 after the Location Request of self terminal, obtains original reception by master control borad reception from GNSS board
Machine location information, and original receiver location information is sent to terminal, and the CORS for receiving terminal forwarding stands according to original
The difference information that generates of receiver location information, and difference information is sent to GNSS board.
Step 340 generates revised receiver location information according to difference information by GNSS board.
In an embodiment of the present invention, which can be applied to GNSS receiver described in embodiment.Firstly, logical
The wireless signal of GNSS antenna acquisition satellite is crossed, and transmits radio signals to GNSS board；Secondly, by GNSS board according to
Wireless signal generates original receiver location information；Then, by master control borad reception come after the Location Request of self terminal, from
Original receiver location information is obtained in GNSS board, and original receiver location information is sent to terminal, and receive
The difference information that the station CORS of terminal forwarding is generated according to original receiver location information, and difference information is sent to GNSS
Board；Finally, generating revised receiver location information according to difference information by GNSS board.
The technical solution of the present embodiment, the wireless signal of satellite is acquired by GNSS antenna, and is transmitted radio signals to
GNSS board generates original receiver location information according to wireless signal by GNSS board, is come from by master control borad reception
After the Location Request of terminal, original receiver location information is obtained from GNSS board, and original receiver is positioned into letter
Breath is sent to terminal, and the difference information that the station CORS for receiving terminal forwarding is generated according to original receiver location information, and
Difference information is sent to GNSS board, revised receiver location information is generated according to difference information by GNSS board,
It solves the problems, such as that structure is complicated, at high cost and not readily portable for GNSS receiver in the prior art, realizes in high accuracy positioning
While reduce costs.
Optionally, based on the above technical solution, revised according to difference information generation by GNSS board
It specifically can also include: to be positioned revised receiver by GNSS board after the receiver location information localization method
Information is sent to master control borad.Revised receiver location information is sent to terminal and displayed on the terminals by master control borad.
In an embodiment of the present invention, in order to allow user to know revised receiver location information by terminal,
It can be in the following way: the revised receiver location information of generation is sent to by master control borad, master control by GNSS board
Revised receiver location information is sent to terminal again by plate, so that terminal is after obtaining revised receiver location information
Revised receiver location information can be shown.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of GNSS receiver characterized by comprising GNSS board, GNSS antenna and master control borad, the GNSS board point
It is not communicated to connect with the GNSS antenna and the master control borad；Wherein,
The wireless signal of the GNSS antenna acquisition satellite, and the wireless signal is sent to the GNSS board；It is described
GNSS board generates original receiver location information according to the wireless signal；
After the master control borad reception carrys out the Location Request of self terminal, the original receiver location information is sent to the end
End；Believed according to the difference that the original receiver location information generates at the station CORS that the master control borad receives the terminal forwarding
Breath, and the difference information is sent to the GNSS board；
The GNSS board generates revised receiver location information according to the difference information.
2. GNSS receiver according to claim 1, which is characterized in that further include:
The revised receiver location information is sent to the terminal by the master control borad by the GNSS board.
3. GNSS receiver according to claim 1, which is characterized in that further include communication module, the communication module is used
It establishes and communicates to connect in the master control borad and terminal.
4. GNSS receiver according to claim 3, which is characterized in that the communication module includes bluetooth unit, described
Bluetooth unit establishes wireless communication connection for the master control borad and terminal.
5. GNSS receiver according to claim 4, which is characterized in that the communication module further includes USB unit, described
USB unit is established wire communication with terminal for the master control borad and is connect.
6. GNSS receiver according to claim 3, which is characterized in that it further include power module, the power module point
It is not connected with the GNSS board, the GNSS antenna, the master control borad and the communication module and is provided electric energy.
7. a kind of positioning system based on GNSS receiver, which is characterized in that connect including any GNSS of claim 1-6
Receipts machine.
8. positioning system according to claim 7, which is characterized in that it further include terminal, the terminal and the master control borad
Communication connection；
The terminal sends Location Request to the master control borad, receives the GNSS board of the master control borad forwarding according to reception
The original receiver location information that the wireless signal of the GNSS antenna acquisition satellite arrived generates, and described original is connect
Receipts machine location information is sent to the station CORS, receives the difference that the station CORS is generated according to the original receiver location information
Information, and the difference information is sent to the master control borad.
9. a kind of localization method based on GNSS receiver, special applied to any GNSS receiver of claim 1-6
Sign is, comprising:
The wireless signal of satellite is acquired by GNSS antenna, and the wireless signal is sent to GNSS board；
Original receiver location information is generated according to the wireless signal by the GNSS board；
It is fixed that the original receiver after the Location Request of self terminal, is obtained from the GNSS board by master control borad reception
Position information, is sent to the terminal for the original receiver location information, and receives the station the CORS root of the terminal forwarding
The GNSS plate is sent to according to the difference information that the original receiver location information generates, and by the difference information
Card；
Revised receiver location information is generated according to the difference information by the GNSS board.
10. localization method according to claim 9, which is characterized in that it is described by the GNSS board according to the difference
After dividing information to generate revised receiver location information, further includes:
The revised receiver location information is sent to the master control borad by the GNSS board；
The revised receiver location information is sent to the terminal by the master control borad and is shown on the terminal
Show.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810783945.3A CN109116380A (en) | 2018-07-17 | 2018-07-17 | A kind of GNSS receiver, positioning system and method based on GNSS receiver |
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| CN201810783945.3A CN109116380A (en) | 2018-07-17 | 2018-07-17 | A kind of GNSS receiver, positioning system and method based on GNSS receiver |
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