CN106772523B - Big-dipper satellite seamless positioning method and device - Google Patents
Big-dipper satellite seamless positioning method and device Download PDFInfo
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- CN106772523B CN106772523B CN201611249866.1A CN201611249866A CN106772523B CN 106772523 B CN106772523 B CN 106772523B CN 201611249866 A CN201611249866 A CN 201611249866A CN 106772523 B CN106772523 B CN 106772523B
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 title claims abstract description 86
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- 238000004891 communication Methods 0.000 description 8
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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
- G01S19/38—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
- G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
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- 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)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of big-dipper satellite seamless positioning methods, comprising the following steps: mobile terminal receives the coordinate information for the first terminal that the big-dipper satellite returns by first terminal transmission coordinate information inquiry request to big-dipper satellite；Measure the location information relative to first terminal；Go out the coordinate information of mobile terminal according to the coordinate information of the first terminal and the positional information calculation relative to first terminal；The present invention also provides a kind of big-dipper satellite seamless positioning devices, for realizing big-dipper satellite seamless positioning method.Big-dipper satellite seamless positioning method and device provided by the invention, effective position can also be implemented when mobile terminal can not receive satellite-signal by realizing.
Description
Technical field
The present invention relates to field of satellite location, in particular to a kind of big-dipper satellite seamless positioning method and device.
Background technique
With the development of science and technology, the technology positioned using satellite is more and more mature, it is high using the accuracy of satellite positioning,
Have become most important a kind of technology in location technology.Present satellite positioning tech there are persons under some particular surroundings nothing
Method positioning, such as under tunnel, mine hole, mountain stream scene, for satellite-signal due to being blocked, mobile terminal can not receive satellite letter
Number, so that effective position cannot be implemented.
Summary of the invention
The main object of the present invention is to provide a kind of big-dipper satellite seamless positioning method and device, is realized in mobile terminal
Also it can implement effective position when can not receive satellite-signal.
The present invention proposes a kind of big-dipper satellite seamless positioning method, comprising the following steps:
Mobile terminal receives the big-dipper satellite by first terminal transmission coordinate information inquiry request to big-dipper satellite
The coordinate information of the first terminal returned；
Measure the location information relative to first terminal；
Gone out according to the coordinate information of the first terminal and the positional information calculation relative to first terminal described
The coordinate information of mobile terminal.
Further, the first terminal includes the first radio frequency unit and the second radio frequency unit；The mobile terminal is logical
It crosses first terminal and sends coordinate information inquiry request to big-dipper satellite, and receive the first terminal that the big-dipper satellite returns
Coordinate information the step of specifically include:
The mobile terminal sends coordinate information inquiry request to big-dipper satellite by first radio frequency unit；
Mobile terminal receives the coordinate information that the big-dipper satellite returns, the coordinate information packet by the first terminal
The first radio frequency unit coordinate information (x2, y2) is included, the x2 is the longitude of first radio frequency unit, and the y2 is institute
State the latitude value of the first radio frequency unit.
Further, include: before the step of location information measured relative to first terminal
Mobile terminal receives the radiofrequency signal that the first radio frequency unit and the second radio frequency unit emit respectively and feedback signal
To the first radio frequency unit and the second radio frequency unit；
It is calculated by the first radio frequency unit and the second radio frequency unit from the time for receiving feedback signal is transmitted a signal to
Mobile terminal and the first radio frequency unit distance a, mobile terminal and the second radio frequency unit distance b.
Further, the step of location information measured relative to first terminal specifically includes:
A is distance of first radio frequency unit to the mobile terminal, and b is second radio frequency unit to the movement
The distance of terminal, y1 are first radio frequency unit at a distance from second radio frequency unit；The movement is obtained according to formula
Terminal is (m, n) relative to the location information of first radio frequency unit, and wherein m is the mobile terminal and first radio frequency
The longitude difference of unit, the n are the latitude difference of mobile terminal and first radio frequency unit.
Further, described to be believed according to the coordinate information and the position relative to first terminal of the first terminal
The step of breath calculates the coordinate information of mobile terminal specifically includes:
Position according to the coordinate information (x2, y2) and mobile terminal of the first radio frequency unit relative to the first radio frequency unit
Information (m, n), obtains the coordinate information of mobile terminal.
The present invention also provides a kind of big-dipper satellite seamless positioning devices, comprising:
Request unit for mobile terminal by first terminal transmission coordinate information inquiry request to big-dipper satellite, and connects
Receive the coordinate information for the first terminal that the big-dipper satellite returns；
Measuring unit, for measuring the location information relative to first terminal；
Computing unit, for being believed according to the coordinate information and the position relative to first terminal of the first terminal
Breath calculates the coordinate information of mobile terminal.
Further, the first terminal includes the first radio frequency unit and the second radio frequency unit；The measuring unit tool
Body includes transmission sub-unit and receiving subelement:
Transmission sub-unit sends coordinate information inquiry request to Beidou by first radio frequency unit for mobile terminal
Satellite；
Receiving subelement receives the coordinate that the big-dipper satellite returns by the first terminal for mobile terminal and believes
Breath, the coordinate information include the first radio frequency unit coordinate information (x2, y2), and the x2 is first radio frequency unit
Longitude, the y2 are the latitude value of first radio frequency unit.
Further, the big-dipper satellite seamless positioning device further include:
Emit feedback unit, is penetrated for what mobile terminal the first radio frequency unit of reception and the second radio frequency unit emitted respectively
Frequency signal and feedback signal are to the first radio frequency unit and the second radio frequency unit；
Metrics calculation unit, for being fed back by the first radio frequency unit and the second radio frequency unit from reception is transmitted a signal to
The time of signal calculates mobile terminal and the first radio frequency unit distance a, mobile terminal and the second radio frequency unit distance b.
Further, the measuring unit is specifically used for:
A is distance of first radio frequency unit to the mobile terminal, and b is second radio frequency unit to the movement
The distance of terminal, y1 are first radio frequency unit at a distance from second radio frequency unit；The movement is obtained according to formula
Terminal is (m, n) relative to the location information of first radio frequency unit, and wherein m is the mobile terminal and first radio frequency
The longitude difference of unit, the n are the latitude difference of mobile terminal and first radio frequency unit.
Further, the computing unit is specifically used for:
For the coordinate information (x2, y2) and mobile terminal according to the first radio frequency unit relative to the first radio frequency unit
Location information (m, n), obtains the coordinate information of mobile terminal.
Big-dipper satellite seamless positioning method and device provided in the present invention have the beneficial effect that above-mentioned mobile terminal is receiving
When less than Big Dipper satellite signal, by sending coordinate information inquiry request to above-mentioned first terminal, above-mentioned first terminal is sent certainly
The coordinate information inquiry request of body is to big-dipper satellite, and from the received coordinate information of big-dipper satellite and above-mentioned mobile terminal phase
For the location information of above-mentioned first terminal, eventually relative to above-mentioned first by the coordinate information of first terminal and above-mentioned mobile terminal
The location information at end carries out that above-mentioned mobile terminal coordinate information is calculated, and realizes mobile terminal in tunnel, mine hole, mountain stream etc.
When not receiving Big Dipper satellite signal under environment, it still may be implemented to position.
Detailed description of the invention
Fig. 1 is the big-dipper satellite seamless positioning method step schematic diagram in one embodiment of the invention；
Fig. 2 is the big-dipper satellite seamless positioning apparatus structure schematic diagram in one embodiment of the invention；
Fig. 3 is the measuring unit structural schematic diagram of the big-dipper satellite seamless positioning device in one embodiment of the invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Referring to Fig.1, the big-dipper satellite seamless positioning method in one embodiment of the invention includes:
Step S1, mobile terminal are received above-mentioned by first terminal transmission coordinate information inquiry request to big-dipper satellite
The coordinate information for the above-mentioned first terminal that big-dipper satellite returns；
Step S2 measures the location information relative to first terminal；
Step S3, according to the coordinate information of above-mentioned first terminal and the above-mentioned positional information calculation relative to first terminal
Above-mentioned the coordinate information of mobile terminal out.
Above-mentioned mobile terminal is the communication apparatus with satellite positioning functions, is specifically as follows mobile phone, above-mentioned mobile terminal
It can directly transmit coordinate information inquiry request to Beidou with above-mentioned first terminal connecting communication, above-mentioned mobile terminal and defend
Star, big-dipper satellite receive the coordinate information inquiry instruction that above-mentioned mobile terminal is sent, calculate the coordinate of above-mentioned first terminal,
And the coordinate information of above-mentioned first terminal is sent to mobile terminal, above-mentioned coordinate information be first terminal longitude information and
Latitude information.
In above-mentioned steps S1, above-mentioned mobile terminal does not receive satellite-signal under the particular surroundings such as tunnel, mine hole, mountain stream
When, above-mentioned mobile terminal can be with above-mentioned first terminal communication connection, above-mentioned first terminal with satellite positioning functions and
The communication apparatus of radio-frequency enabled, above-mentioned mobile terminal send coordinate information inquiry instruction to above-mentioned first terminal；Above-mentioned first eventually
After end receives above-mentioned transmission coordinate information inquiry instruction, the coordinate information inquiry instruction of itself is sent to big-dipper satellite, Beidou is defended
Star calculates the coordinate of above-mentioned first terminal, and the coordinate information of above-mentioned first terminal is sent to above-mentioned first terminal.
In above-mentioned steps S2, above-mentioned first terminal sends radiofrequency signal to above-mentioned mobile terminal, measures above-mentioned mobile whole
The distance relative to above-mentioned first terminal is held, the directional information further according to above-mentioned mobile terminal relative to above-mentioned first terminal obtains
Location information to above-mentioned mobile terminal relative to above-mentioned first terminal, position of the above-mentioned mobile terminal relative to above-mentioned first terminal
The longitude difference and latitude difference of confidence breath.
In above-mentioned steps S3, the coordinate information of itself received according to above-mentioned first terminal from big-dipper satellite, above-mentioned
Location information of the above-mentioned mobile terminal of one terminal relative to above-mentioned first terminal, by the longitude of the coordinate information of above-mentioned first terminal
In addition longitude difference of the above-mentioned mobile terminal relative to the location information of above-mentioned first terminal, obtains corresponding above-mentioned mobile terminal
Longitude；The latitude of the coordinate information of above-mentioned first terminal is added into position of the above-mentioned mobile terminal relative to above-mentioned first terminal
The latitude difference of confidence breath, obtains the latitude value of corresponding above-mentioned mobile terminal；To obtain above-mentioned mobile terminal coordinate information.
Above-mentioned mobile terminal is not when receiving Big Dipper satellite signal, by sending coordinate information inquiry request to above-mentioned the
One terminal, above-mentioned first terminal send itself coordinate information inquiry request to big-dipper satellite, and from the received seat of big-dipper satellite
Mark location information relative to above-mentioned first terminal of information and above-mentioned mobile terminal, by the coordinate information of first terminal with it is upper
It states mobile terminal to carry out that above-mentioned mobile terminal coordinate information is calculated relative to the location information of above-mentioned first terminal, realize
When mobile terminal does not receive Big Dipper satellite signal under the environment such as tunnel, mine hole, mountain stream, it still may be implemented to position.
Further, the mobile terminal is by first terminal transmission coordinate information inquiry request to big-dipper satellite, and connects
The step of receiving the coordinate information for the first terminal that the big-dipper satellite returns specifically includes:
The mobile terminal sends coordinate information inquiry request to big-dipper satellite by first radio frequency unit；
Mobile terminal receives the coordinate information that the big-dipper satellite returns, the coordinate information packet by the first terminal
The first radio frequency unit coordinate information (x2, y2) is included, the x2 is the longitude of first radio frequency unit, and the y2 is institute
State the latitude value of the first radio frequency unit.
Above-mentioned mobile terminal sends coordinate information inquiry request and instructs to above-mentioned first terminal, and above-mentioned first terminal receives
After above-mentioned coordinate information inquiry request, above-mentioned first terminal includes the first radio frequency unit, and above-mentioned first radio frequency unit, which has, to be defended
Star positioning function, above-mentioned first radio frequency unit send coordinate information inquiry request to big-dipper satellite；Big-dipper satellite receives first and penetrates
Frequency unit sends the coordinate information that coordinate information inquiry request calculates above-mentioned first radio frequency unit later, obtains the first radio frequency list
The coordinate information (x2, y2) of member, above-mentioned first radio frequency unit receive big-dipper satellite and send above-mentioned first radio frequency unit returned
Coordinate information (x2, y2), wherein above-mentioned x2 is the longitude of above-mentioned first radio frequency unit, y2 is the latitude of above-mentioned first radio frequency unit
Angle value.
Further, include: before the step of location information measured relative to first terminal
Mobile terminal receives the radiofrequency signal that the first radio frequency unit and the second radio frequency unit emit respectively and feedback signal
To the first radio frequency unit and the second radio frequency unit；
It is calculated by the first radio frequency unit and the second radio frequency unit from the time for receiving feedback signal is transmitted a signal to
Mobile terminal and the first radio frequency unit distance a, mobile terminal and the second radio frequency unit distance b.
Further, the step of above-mentioned location information measured relative to first terminal specifically includes:
A is distance of first radio frequency unit to the mobile terminal, and b is second radio frequency unit to the movement
The distance of terminal, y1 are first radio frequency unit at a distance from second radio frequency unit；The movement is obtained according to formula
Terminal is (m, n) relative to the location information of first radio frequency unit, and wherein m is the mobile terminal and first radio frequency
The longitude difference of unit, the n are the latitude difference of mobile terminal and first radio frequency unit.
Further, described to be believed according to the coordinate information and the position relative to first terminal of the first terminal
The step of breath calculates the coordinate information of mobile terminal specifically includes:
Position according to the coordinate information (x2, y2) and mobile terminal of the first radio frequency unit relative to the first radio frequency unit
Information (m, n), obtains the coordinate information of mobile terminal.
Above-mentioned mobile terminal receives the radiofrequency signal that the first radio frequency unit and the second radio frequency unit emit respectively, above-mentioned shifting
Dynamic terminal sends feedback signal to above-mentioned first radio frequency unit and above-mentioned second radio frequency unit, wherein above-mentioned first radio frequency respectively
The direction for the radiofrequency signal that unit and above-mentioned second radio frequency single-shot are penetrated is known；By above-mentioned first radio frequency unit and on
The second radio frequency unit is stated from transmitting a signal to the time for receiving feedback signal, it can be deduced that above-mentioned first radio frequency unit and above-mentioned
The radio signal transmission of second radio frequency unit transmitting to above-mentioned mobile terminal time, according to the speed of radiofrequency signal and above-mentioned the
The product of time of the radiofrequency signal of the transmitting of one radio frequency unit and above-mentioned second radio frequency unit to above-mentioned mobile terminal, respectively
A and above-mentioned second radio frequency unit for calculating distance of above-mentioned first radio frequency unit to above-mentioned mobile terminal are whole to above-mentioned movement
The b of the distance at end.
According to measuring above-mentioned first radio frequency unit to the distance a of above-mentioned mobile terminal and above-mentioned first radio frequency unit to upper
The distance b, above-mentioned y1 for stating mobile terminal are above-mentioned first radio frequency unit at a distance from above-mentioned second radio frequency unit, according to above-mentioned public affairs
Formula
M and n is calculated, above-mentioned (m, n) is that above-mentioned mobile terminal is believed relative to the position of above-mentioned first radio frequency unit
Breath is (m, n), and above-mentioned m is longitude difference of the above-mentioned mobile terminal relative to above-mentioned first radio frequency unit, and above-mentioned n is above-mentioned movement
Latitude difference of the terminal relative to above-mentioned first radio frequency unit.Position of the above-mentioned mobile terminal relative to above-mentioned first radio frequency unit
Information (m, n), the coordinate information (x2, y2) of above-mentioned first radio frequency unit, x2 is the longitude of above-mentioned first radio frequency unit, on y2
State the latitude value of the first radio frequency unit.The corresponding longitude of the coordinate information of first radio frequency unit and above-mentioned mobile terminal relative to
The sum of longitude difference m of above-mentioned first radio frequency unit is the longitude of above-mentioned mobile terminal, the coordinate letter of the first radio frequency unit
Ceasing the sum of corresponding latitude value and latitude difference n of the above-mentioned mobile terminal relative to above-mentioned first radio frequency unit is above-mentioned movement
The latitude value of terminal obtains above-mentioned the coordinate information of mobile terminal.Mobile terminal is realized in environment such as tunnel, mine hole, mountain streams
Under when not receiving Big Dipper satellite signal, still may be implemented to position.
Referring to Fig. 2, big-dipper satellite seamless positioning device includes:
Request unit 10, for mobile terminal by first terminal transmission coordinate information inquiry request to big-dipper satellite, and
Receive the coordinate information for the first terminal that the big-dipper satellite returns；
Measuring unit 20, for measuring the location information relative to first terminal；
Computing unit 30, for according to the first terminal coordinate information and the position relative to first terminal
Information calculates the coordinate information of mobile terminal.
Above-mentioned mobile terminal is the communication apparatus with satellite positioning functions, is specifically as follows mobile phone, above-mentioned mobile terminal
It can directly transmit coordinate information inquiry request to Beidou with above-mentioned first terminal connecting communication, above-mentioned mobile terminal and defend
Star, big-dipper satellite receive the coordinate information inquiry instruction that above-mentioned mobile terminal is sent, calculate the coordinate of above-mentioned first terminal,
And the coordinate information of above-mentioned first terminal is sent to mobile terminal, above-mentioned coordinate information be first terminal longitude information and
Latitude information.
It is above-mentioned mobile whole when above-mentioned mobile terminal does not receive satellite-signal under the particular surroundings such as tunnel, mine hole, mountain stream
End can be the communication with satellite positioning functions and radio-frequency enabled with above-mentioned first terminal communication connection, above-mentioned first terminal
Equipment, the request unit 10 of above-mentioned mobile terminal send coordinate information inquiry instruction to above-mentioned first terminal；Above-mentioned first terminal
After receiving above-mentioned transmission coordinate information inquiry instruction, itself coordinate information inquiry instruction is sent to big-dipper satellite, big-dipper satellite
The coordinate of above-mentioned first terminal is calculated, and the coordinate information of above-mentioned first terminal is sent to above-mentioned first terminal.
The measuring unit 20 of above-mentioned first terminal sends radiofrequency signal to above-mentioned mobile terminal, measures above-mentioned mobile terminal
Relative to the distance of above-mentioned first terminal, directional information further according to above-mentioned mobile terminal relative to above-mentioned first terminal is obtained
Location information of the above-mentioned mobile terminal relative to above-mentioned first terminal, position of the above-mentioned mobile terminal relative to above-mentioned first terminal
The longitude difference and latitude difference of information.
The coordinate information of itself that computing unit 30 is received according to above-mentioned first terminal from big-dipper satellite, above-mentioned first eventually
It holds above-mentioned mobile terminal relative to the location information of above-mentioned first terminal, the longitude of the coordinate information of above-mentioned first terminal is added
Longitude difference of the above-mentioned mobile terminal relative to the location information of above-mentioned first terminal, obtains the warp of corresponding above-mentioned mobile terminal
Angle value；Believe position by the latitude of the coordinate information of above-mentioned first terminal plus above-mentioned mobile terminal relative to above-mentioned first terminal
The latitude difference of breath obtains the latitude value of corresponding above-mentioned mobile terminal；To obtain above-mentioned mobile terminal coordinate information.
Above-mentioned mobile terminal when not receiving Big Dipper satellite signal, asked by sending coordinate information inquiry by request unit 10
It asks to above-mentioned first terminal, above-mentioned first terminal sends itself coordinate information inquiry request to big-dipper satellite, and defends from Beidou
The received coordinate information of star, measuring unit 20 measure location information of the above-mentioned mobile terminal relative to above-mentioned first terminal, calculate
Location information of the unit 30 by the coordinate information of first terminal with above-mentioned mobile terminal relative to above-mentioned first terminal calculates
Above-mentioned mobile terminal coordinate information is obtained, mobile terminal is realized and does not receive Beidou under the environment such as tunnel, mine hole, mountain stream and defend
When star signal, it still may be implemented to position.
Further, above-mentioned first terminal includes that first terminal described in the first radio frequency unit and the second radio frequency unit includes
First radio frequency unit and the second radio frequency unit；The measuring unit 20 specifically includes transmission sub-unit 210 and receives son list
Member 220:
Transmission sub-unit 210 sends coordinate information inquiry request extremely by first radio frequency unit for mobile terminal
Big-dipper satellite；
Receiving subelement 220 receives the coordinate that the big-dipper satellite returns by the first terminal for mobile terminal
Information, the coordinate information include the first radio frequency unit coordinate information (x2, y2), and the x2 is first radio frequency unit
Longitude, the y2 be first radio frequency unit latitude value.
The transmission sub-unit 210 of above-mentioned mobile terminal sends coordinate information inquiry request and instructs to above-mentioned first terminal, on
It states after first terminal receives above-mentioned coordinate information inquiry request, above-mentioned first terminal includes the first radio frequency unit, and above-mentioned the
One radio frequency unit has satellite positioning functions, and above-mentioned first radio frequency unit sends coordinate information inquiry request to big-dipper satellite；North
Bucket the first radio frequency unit of satellite reception sends the coordinate letter that coordinate information inquiry request calculates above-mentioned first radio frequency unit later
Breath, obtains the coordinate information (x2, y2) of the first radio frequency unit, and receiving subelement 220 is used to receive big-dipper satellite and sends return
The coordinate information (x2, y2) of above-mentioned first radio frequency unit, wherein above-mentioned x2 is the longitude of above-mentioned first radio frequency unit, y2 is upper
State the latitude value of the first radio frequency unit.
Further, above-mentioned big-dipper satellite seamless positioning device further includes；
Emit feedback unit 40, emits respectively for mobile terminal the first radio frequency unit of reception and the second radio frequency unit
Radiofrequency signal and feedback signal are to the first radio frequency unit and the second radio frequency unit；
Metrics calculation unit 50, for anti-from reception is transmitted a signal to by the first radio frequency unit and the second radio frequency unit
The time of feedback signal calculates mobile terminal and the first radio frequency unit distance a, and mobile terminal is at a distance from the second radio frequency unit
b。
Further, above-mentioned measuring unit 20 is specifically used for:
A is distance of first radio frequency unit to the mobile terminal, and b is second radio frequency unit to the movement
The distance of terminal, y1 are first radio frequency unit at a distance from second radio frequency unit；The movement is obtained according to formula
Terminal is (m, n) relative to the location information of first radio frequency unit, and wherein m is the mobile terminal and first radio frequency
The longitude difference of unit, the n are the latitude difference of mobile terminal and first radio frequency unit.
Further, above-mentioned computing unit 30 is specifically used for:
For the coordinate information (x2, y2) and mobile terminal according to the first radio frequency unit relative to the first radio frequency unit
Location information (m, n), obtains the coordinate information of mobile terminal.
In the present embodiment, transmitting feedback unit 40 is penetrated for above-mentioned mobile terminal the first radio frequency unit of reception and second
The radiofrequency signal that frequency unit emits respectively, above-mentioned mobile terminal send respectively feedback signal to above-mentioned first radio frequency unit and on
The second radio frequency unit is stated, wherein the direction for the radiofrequency signal that above-mentioned first radio frequency unit and above-mentioned second radio frequency single-shot are penetrated is
Know.
Metrics calculation unit 50 is used to pass through above-mentioned first radio frequency unit and above-mentioned second radio frequency unit from transmission signal
To the time for receiving feedback signal, it can be deduced that above-mentioned first radio frequency unit and the radio frequency letter of above-mentioned second radio frequency unit transmitting
It number is transmitted to the time of above-mentioned mobile terminal, is penetrated according to the speed of radiofrequency signal and above-mentioned first radio frequency unit and above-mentioned second
The radiofrequency signal of the transmitting of frequency unit to above-mentioned mobile terminal time product, calculate separately out above-mentioned first radio frequency unit and arrive
The b of the distance of a of the distance of above-mentioned mobile terminal and above-mentioned second radio frequency unit to above-mentioned mobile terminal.
The measurement of above-mentioned computing unit is according to measuring above-mentioned first radio frequency unit to the distance a of above-mentioned mobile terminal and above-mentioned
The distance b, above-mentioned y1 of first radio frequency unit to above-mentioned mobile terminal are above-mentioned first radio frequency unit and above-mentioned second radio frequency unit
Distance, according to above-mentioned formula
M and n is calculated, above-mentioned (m, n) is that above-mentioned mobile terminal is believed relative to the position of above-mentioned first radio frequency unit
Breath is (m, n), and above-mentioned m is longitude difference of the above-mentioned mobile terminal relative to above-mentioned first radio frequency unit, and above-mentioned n is above-mentioned movement
Latitude difference of the terminal relative to above-mentioned first radio frequency unit.
Computing unit 30 according to measurement obtain above-mentioned mobile terminal relative to above-mentioned first radio frequency unit location information (m,
N), the coordinate information (x2, y2) of above-mentioned first radio frequency unit, x2 are the longitude of above-mentioned first radio frequency unit, y2 above-mentioned first
The latitude value of radio frequency unit.The corresponding longitude of the coordinate information of first radio frequency unit and above-mentioned mobile terminal are relative to above-mentioned the
The sum of longitude difference m of one radio frequency unit is the longitude of above-mentioned mobile terminal, and the coordinate information of the first radio frequency unit is corresponding
Latitude value and the sum of latitude difference n of the above-mentioned mobile terminal relative to above-mentioned first radio frequency unit be above-mentioned mobile terminal
Latitude value obtains above-mentioned the coordinate information of mobile terminal.Mobile terminal is realized to receive under the environment such as tunnel, mine hole, mountain stream
When less than Big Dipper satellite signal, it still may be implemented to position.
In conclusion the big-dipper satellite seamless positioning method and device in the embodiment of the present invention are connecing in above-mentioned mobile terminal
When can not receive Big Dipper satellite signal, by sending coordinate information inquiry request to above-mentioned first terminal, above-mentioned first terminal is sent
The coordinate information inquiry request of itself is to big-dipper satellite, and from the received coordinate information of big-dipper satellite and above-mentioned mobile terminal
Relative to the location information of above-mentioned first terminal, by the coordinate information of first terminal and above-mentioned mobile terminal relative to above-mentioned first
The location information of terminal carries out that above-mentioned mobile terminal coordinate information is calculated, and realizes mobile terminal in tunnel, mine hole, mountain stream
When not receiving Big Dipper satellite signal under equal environment, it still may be implemented to position.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (8)
1. a kind of big-dipper satellite seamless positioning method, which comprises the following steps:
Mobile terminal is received the big-dipper satellite and is returned by first terminal transmission coordinate information inquiry request to big-dipper satellite
The first terminal coordinate information；
Measure the location information relative to first terminal；
Go out the movement according to the coordinate information of the first terminal and the positional information calculation relative to first terminal
The coordinate information of terminal；
Wherein, the first terminal includes the first radio frequency unit and the second radio frequency unit；The mobile terminal is whole by first
End sends coordinate information inquiry request to big-dipper satellite, and receives the coordinate letter for the first terminal that the big-dipper satellite returns
The step of breath, specifically includes:
The mobile terminal sends coordinate information inquiry request to big-dipper satellite by first radio frequency unit；
Mobile terminal receives the coordinate information that the big-dipper satellite returns by the first terminal, and the coordinate information includes institute
State the first radio frequency unit coordinate information (x2, y2), the x2 is the longitude of first radio frequency unit, and the y2 is described the
The latitude value of one radio frequency unit.
2. big-dipper satellite seamless positioning method according to claim 1, which is characterized in that described to measure relative to first
Include: before the step of location information of terminal
Mobile terminal receives the radiofrequency signal that the first radio frequency unit and the second radio frequency unit emit respectively and feedback signal is to the
One radio frequency unit and the second radio frequency unit；
Movement is calculated from the time for receiving feedback signal is transmitted a signal to according to the first radio frequency unit and the second radio frequency unit
Terminal and the first radio frequency unit distance a, mobile terminal and the second radio frequency unit distance b.
3. big-dipper satellite seamless positioning method according to claim 2, which is characterized in that described to measure relative to first
The location information of terminal specifically includes:
A is distance of first radio frequency unit to the mobile terminal, and b is second radio frequency unit to the mobile terminal
Distance, y1 be first radio frequency unit at a distance from second radio frequency unit；The mobile terminal is obtained according to formula
Location information relative to first radio frequency unit is (m, n), and wherein m is the mobile terminal and first radio frequency unit
Longitude difference, the n be mobile terminal and first radio frequency unit latitude difference.
4. big-dipper satellite seamless positioning method according to claim 3, which is characterized in that described according to the first terminal
Coordinate information and the positional information calculation relative to first terminal the step of going out the coordinate information of mobile terminal
It specifically includes:
Location information according to the coordinate information (x2, y2) and mobile terminal of the first radio frequency unit relative to the first radio frequency unit
(m, n) obtains the coordinate information of mobile terminal.
5. a kind of big-dipper satellite seamless positioning device characterized by comprising
Request unit for mobile terminal by first terminal transmission coordinate information inquiry request to big-dipper satellite, and receives institute
State the coordinate information of the first terminal of big-dipper satellite return；
Measuring unit, for measuring the location information relative to first terminal；
Computing unit, based on the coordinate information and the location information relative to first terminal according to the first terminal
Calculate the coordinate information of mobile terminal；
Wherein, the first terminal includes the first radio frequency unit and the second radio frequency unit；The measuring unit specifically includes hair
Send subelement and receiving subelement:
Transmission sub-unit sends coordinate information inquiry request to Beidou by first radio frequency unit for mobile terminal and defends
Star；
Receiving subelement receives the coordinate information that the big-dipper satellite returns, institute by the first terminal for mobile terminal
Stating coordinate information includes the first radio frequency unit coordinate information (x2, y2), and the x2 is the longitude of first radio frequency unit
Value, the y2 are the latitude value of first radio frequency unit.
6. big-dipper satellite seamless positioning device according to claim 5, it is characterised in that；The big-dipper satellite seamless positioning
Device further include:
Emit feedback unit, receives the radio frequency letter that the first radio frequency unit and the second radio frequency unit emit respectively for mobile terminal
Number and feedback signal to the first radio frequency unit and the second radio frequency unit；
Metrics calculation unit, for by the first radio frequency unit and the second radio frequency unit from transmitting a signal to reception feedback signal
Time calculate mobile terminal and the first radio frequency unit distance a, mobile terminal and the second radio frequency unit distance b.
7. big-dipper satellite seamless positioning device according to claim 6, which is characterized in that the measuring unit measures phase
The location information of first terminal is specifically included:
A is distance of first radio frequency unit to the mobile terminal, and b is second radio frequency unit to the mobile terminal
Distance, y1 be first radio frequency unit at a distance from second radio frequency unit；The mobile terminal is obtained according to formula
Location information relative to first radio frequency unit is (m, n), and wherein m is the mobile terminal and first radio frequency unit
Longitude difference, the n be mobile terminal and first radio frequency unit latitude difference.
8. big-dipper satellite seamless positioning device according to claim 7, which is characterized in that the computing unit is specifically used
In:
Position for the coordinate information (x2, y2) and mobile terminal according to the first radio frequency unit relative to the first radio frequency unit
Information (m, n), obtains the coordinate information of mobile terminal.
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| CN201611249866.1A CN106772523B (en) | 2016-12-29 | 2016-12-29 | Big-dipper satellite seamless positioning method and device |
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| CN106772523B true CN106772523B (en) | 2019-08-09 |
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| CN104536025A (en) * | 2014-12-22 | 2015-04-22 | 天津安联程通信息技术有限公司 | Logistics transportation control method based on double positioning of satellite and mobile phone |
| CN104749599A (en) * | 2013-12-31 | 2015-07-01 | 国家电网公司 | Method for positioning terminal, ammeter, server and handheld terminal |
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2016
- 2016-12-29 CN CN201611249866.1A patent/CN106772523B/en not_active Expired - Fee Related
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| CN101517432A (en) * | 2006-07-21 | 2009-08-26 | 口袋搜寻有限责任公司 | Apparatus and method for locating individuals and objects using tracking devices |
| CN101536596A (en) * | 2006-11-29 | 2009-09-16 | 罗德施瓦兹两合股份有限公司 | Method and device for determination of the position of a terminal in a mobile communication network |
| CN104749599A (en) * | 2013-12-31 | 2015-07-01 | 国家电网公司 | Method for positioning terminal, ammeter, server and handheld terminal |
| CN104536025A (en) * | 2014-12-22 | 2015-04-22 | 天津安联程通信息技术有限公司 | Logistics transportation control method based on double positioning of satellite and mobile phone |
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