CN108337730A - A method of realizing that position positions using the rotary beam of time division synchronous - Google Patents
A method of realizing that position positions using the rotary beam of time division synchronous Download PDFInfo
- Publication number
- CN108337730A CN108337730A CN201810103405.6A CN201810103405A CN108337730A CN 108337730 A CN108337730 A CN 108337730A CN 201810103405 A CN201810103405 A CN 201810103405A CN 108337730 A CN108337730 A CN 108337730A
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- Prior art keywords
- signal
- time division
- division synchronous
- base station
- positioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
Abstract
The invention discloses a kind of methods that the rotary beam using time division synchronous realizes position positioning, it is related to radio signal positioning field, utilize time division synchronous rotary beam radiofrequency signal, it broadcasts simultaneously in multiple base stations, terminal is by receiving time division synchronous rotary beam radiofrequency signal, obtain the angle information of terminal and multiple base stations, coordinate information, and the navigation message information carried by time division synchronous rotary beam radiofrequency signal, obtain the absolute location coordinates of base station, utilize multiple base station angle informations, coordinate information, according to the general localization method of arriving signal angle, realize the positioning of terminal location.The present invention provides indoor and outdoor integration localization methods, are the prevailing technology schemes of indoor and outdoor positioning.
Description
Technical field
The present invention relates to radio signal positioning fields more particularly to a kind of rotary beam using time division synchronous to realize position
The method for setting positioning.
Background technology
Pervasive position positioning still belongs to the strong market demand.In outdoor, Technique of Satellite Navigation and Positioning becomes location technology
Mainstream.Indoors, various short-distance wireless communication technology keen competitions, do not have mainstream location technology still.Indoor and outdoor integration
Location technology, due to being lack of pertinence design, there are no pervasive technical solutions.
The mainstream of ground communication technology is radio honeycomb communication technology, i.e., the mobile communication that we often say.5th generation in the world
Radio honeycomb communication versatility uses array antenna technique, and cooperation Baseband algorithms are, it can be achieved that wave beam controls, but this wave beam control
System is quasi-static, and the communication between mobile phone and base station is still continuous wave communication.By changing Baseband algorithms, wave beam may be implemented
Spatially orientation carries out dynamic scan, and similar radar belongs to pulse wave communication to the dynamic scan of aerial image, at this time communication.
The navigational satellite receiver of double antenna can accurately measure double antenna baseline and true north line (i.e. everybody see map or
The starting point of all warps, is also north geographic pole on tellurion.) flat orientation angle, so as to provide base station benchmark
It is directed toward and measures.The direction benchmark can angularly carry out signal modulation for base station and provide reference frame.The satellite provided simultaneously
Time signal can provide time reference for base station, and the time reference can be that base station temporally simultaneously provides reference frame.
Therefore, those skilled in the art is dedicated to developing a kind of rotary beam realization position positioning using time division synchronous
Method.
Invention content
In view of the drawbacks described above of the prior art, the technical problem to be solved by the present invention is to the positioning of pervasive indoor and outdoor.
To achieve the above object, the present invention provides the sides that a kind of rotary beam using time division synchronous realizes position positioning
Method is broadcasted simultaneously in multiple base stations using a kind of time division synchronous rotary beam radiofrequency signal, and terminal is by receiving rotary beam
Signal obtains the angle information of terminal and base station, and the navigation message information carried by rotary beam signal, obtains base station
Absolute location coordinates, using 2 above angle informations in base station, coordinate information, according to the general localization method of arriving signal angle,
Realize the positioning of terminal location.
Further, time division synchronous rotary beam radiofrequency signal is a kind of wave beam forming radiofrequency signal, the wave beam of transmitting
According to the fixed rate for meeting communication function circular scanning is done on 360 degree of in-planes.
Further, the transmit cycle initial time and transmit cycle prime direction of time division synchronous rotary beam radiofrequency signal
Angle keeps synchronous between multiple base stations, and transmitting rf-signal modulation has the modulation code with angle information, emits radiofrequency signal
Modulation code carries the navigation message information of holding same format between multiple base stations.
Further, the transmitting of time division synchronous rotary beam radiofrequency signal can be described as modulating in scanning, scan
A complete circle, modulation code also completes the modulation of a complete cycle, thus the wave beam of different angle transmitting has different modulation codes
Clip information.
Further, modulation code has different physical parameters with the scanning of angle.A kind of modulation for realizing this requirement
Code is pseudo random sequence code.It is formed assuming that pseudo random sequence code is 1023 chips, in 360 degree of scanning process, per once
The chip sequence that space receives by be 1023/360 chip width.Assuming the beam position angle of beginning modulation transmitting again is
0 degree of true north line angle, then what is received at 1 degree or so is 1023/360 paragraph 1 signal of pseudo-random sequence, is connect at 2 degree or so
What is received is 1023/360 the 2nd segment signal of pseudo-random sequence, and what it is in N degree or so reception is the 1023/360 of pseudo-random sequence
N segment signals, and so on.
Further, modulation code has different physical parameters with the scanning of angle.A kind of modulation for realizing this requirement
Code is wide-band linearity modulation code.Assuming that wide-band linearity modulation code is the signal bandwidth of 20M, it is each in 360 degree of scanning process
The degree signal sequence that receives of space by be 20M/360 frequency signal.The beam position angle of beginning modulation transmitting is assumed again
It is 0 degree of true north line angle, then what is received at 1 degree or so be the frequency range of wide-band linearity modulated signal is the paragraph 1 of 20M/360
Frequency signal, what is received at 2 degree or so be the frequency range of wide-band linearity modulated signal is the 2nd band frequency signal of 20M/360,
What is received in N degree or so be the frequency range of wide-band linearity modulated signal is the N band frequency signals of 20M/360, and so on.
Further, the navigation message information of modulation code carrying includes at least the absolute location coordinates of corresponding transmitting base station
Information, loop cycle is broadcast on modulation code.Terminal reception is happened on some angle orientation, by the acquisition pulsed in period
Signal is received, BPSK (Binary Phase Shift Keying, binary phase shift keying are utilized.It is that analog signal is converted into
One of conversion regime of data value, using deviate phase plural wave combine come performance information keying phase shift system) modulation
The communication of the fixed communication rate of pulsed may be implemented in technology, realizes transmission of the information from base station to terminal.
Further, the present invention needs multiple base stations broadcasts time division synchronous rotary wave beam simultaneously, realizes to localization region
Covering.The distribution of base station can utilize existing cellular communication base stations.Terminal is obtained by the signal of at least two base stations of reception
The absolute coordinate information of two base stations obtains the angle information of line and true north line that corresponding terminal is formed with base station,
By the localization method based on arriving signal angle, the positioning of terminal is realized.
Further, terminal positioning uses Rainles day mode, i.e., only needs to receive positioning signal, directly by receiving
Positioning signal calculate out position, communicate without interacting formula with base station and position.Terminal positioning only needs positioning signal
Receiving circuit is not required to configuration positioning signal radiating circuit.
The present invention provides indoor and outdoor integration localization methods, are the prevailing technology schemes of indoor and outdoor positioning.
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Description of the drawings
Fig. 1 is rotary beam signal rotation scanning schematic diagram of the present invention；
Fig. 2 is positioning principle A moment schematic diagrames of the present invention；
Fig. 3 is positioning principle B moment schematic diagrames of the present invention；
Fig. 4 is terminal received signals impulse wave schematic diagram of the present invention；
Fig. 5 is that the present invention is based on the positioning principle schematic diagrams of arriving signal angle.
Specific implementation mode
Multiple preferred embodiments that the present invention is introduced below with reference to Figure of description, keep its technology contents more clear and just
In understanding.The present invention can be emerged from by many various forms of embodiments, and protection scope of the present invention not only limits
The embodiment that Yu Wenzhong is mentioned.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.The size and thickness of each component shown in the drawings are to be arbitrarily shown, and there is no limit by the present invention
The size and thickness of each component.In order to keep diagram apparent, some places suitably exaggerate the thickness of component in attached drawing.
As shown in Figure 1, real north line 1 is periodic signal inceptive direction angle in the present embodiment, wave beam 2 is initial beam,
By the rotation sweep of given pace, wave beam surrounds base station center respectively, undergoes wave beam 3, wave beam 4 successively, and wave beam 5 finally returns
To wave beam 2, wave beam, constantly periodic inswept entire plane.Time division synchronous refers to the rotation of different base station
Wave beam, transmit cycle initial time keep synchronizing between more than two base stations, and transmit cycle Initial direction angle is multiple
It keeps synchronizing between base station, transmit cycle rf-signal modulation has the modulation code with angle information, transmitting radiofrequency signal
Modulation code carries, and keeps the navigation message information of same format between multiple base stations.That is synchronization, the wave beam of different base station
Angle with true north line is all identical, is directed toward fully synchronized.The present embodiment principle is to utilize multiple base stations, while broadcasting above
Time division synchronous rotary beam, each base station load format is identical, but the respective navigation message modulation of content.
As shown in Fig. 2, the present embodiment positioning principle A moment two base station A, B are broadcasting respective time division synchronous rotation
Wave beam 3, and this moment of terminal receives the signal beam from base station A.To get the azimuth of terminal and base station A with true
Angle, θ-A on the basis of northern line.
As shown in figure 3, the present embodiment positioning principle B moment two base station A, B are broadcasting respective time division synchronous rotation
Wave beam 3, and this moment of terminal receives the signal beam from base station B.To get the azimuth of terminal and base station B with true
Angle, θ-B on the basis of northern line.
As shown in figure 4, the present embodiment terminal received signals impulse wave, in a cycle T, terminal is respectively in particular moment
Base station A is obtained, the beam signal of base station B obtains base station A, the beam signal of base station B, with such twice in two cycle Ts
It pushes away, within the cycle time of navigation message, terminal obtains base station A, the navigation message of base station B, to obtain the absolute position of base station A
Set coordinate A (X, Y), the absolute location coordinates B (X, Y) of base station B.
As shown in figure 5, the positioning principle based on arriving signal angle that the present embodiment uses.Obtain A (X, Y), B (X,
Y), θ-A, θ-B, thus four parameters, calculate the absolute location coordinates C (X, Y) of terminal.2 or more base stations are received
And reception and the positioning principle of positioning principle and 2 base stations, it is equally similar.Signal is believed by the interference reflected to form
Number, it can be decayed by the extreme of signal strength, the reception with direct projection wave beam is distinguished.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that the ordinary skill of this field is without wound
The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of method that rotary beam using time division synchronous realizes position positioning, which is characterized in that revolved using time division synchronous
Turn wave beam radiofrequency signal, broadcasted simultaneously in more than two base stations, terminal is by receiving the time division synchronous rotation wave beam
Frequency signal obtains angle information, the coordinate information of the terminal and the multiple base station, and passes through the time division synchronous rotation wave
The navigation message information that cluster radio frequency signal carries, obtains the absolute location coordinates of the multiple base station, utilizes the multiple base station
The angle information, the coordinate information realize determining for the terminal location according to the general localization method of arriving signal angle
Position.
2. the method for realizing position positioning using the rotary beam of time division synchronous as described in claim 1, which is characterized in that institute
It is wave beam forming radiofrequency signal to state time division synchronous rotary beam radiofrequency signal, and the wave beam of transmitting communicates work(according to fixed satisfaction
The rate of energy does circular scanning on 360 degree of in-planes.
3. the method for realizing position positioning using the rotary beam of time division synchronous as claimed in claim 1 or 2, feature exist
In the transmit cycle initial time and transmit cycle Initial direction angle of the time division synchronous rotary beam radiofrequency signal are described more
It keeps synchronizing between a base station.
4. the method for realizing position positioning using the rotary beam of time division synchronous as claimed in claim 3, which is characterized in that institute
Stating time division synchronous rotary beam rf-signal modulation has the modulation code with angle information, the modulation code of the transmitting radiofrequency signal to hold
It is loaded with the navigation message information that same format is kept between the multiple base station.
5. the method for realizing position positioning using the rotary beam of time division synchronous as claimed in claim 4, which is characterized in that institute
State time division synchronous rotary beam radiofrequency signal be emitted as while scanning while modulate, scan through a circle, the modulation code also completes one
The modulation of a complete cycle, thus the wave beam of different angle transmitting has different modulation code clip informations.
6. the method for realizing position positioning using the rotary beam of time division synchronous as claimed in claim 5, which is characterized in that institute
It is pseudo random sequence code to state modulation code, is made of 1023 chips, in 360 degree of scanning process, is received per one degree of freedom
Chip sequence be 1023/360 chip width, when the beam position angle of beginning modulation transmitting is 0 degree of true north line angle,
What is received at 1 degree or so is 1023/360 paragraph 1 signal of pseudo-random sequence, and what is received at 2 degree or so is pseudo-random sequence
1023/360 the 2nd segment signal, N degree or so receive be pseudo-random sequence 1023/360 N segment signals, with such
It pushes away.
7. the method for realizing position positioning using the rotary beam of time division synchronous as claimed in claim 5, which is characterized in that institute
It is wide-band linearity modulation code to state modulation code, and signal bandwidth 20M is received in 360 degree of scanning process per one degree of freedom
Signal sequence by be 20M/360 frequency signal, when beginning modulation transmitting beam position angle be 0 degree of true north line angle, 1
It is the paragraph 1 frequency signal of 20M/360 that degree left and right received, which is the frequency range of wide-band linearity modulated signal, is connect at 2 degree or so
What is received be the frequency range of wide-band linearity modulated signal is the 2nd band frequency signal of 20M/360, and what is received in N degree or so is wide
Frequency range with linearly modulated signal is the N band frequency signals of 20M/360, and so on.
8. the method that the rotary beam using time division synchronous as claimed in claims 6 or 7 realizes position positioning, feature exist
In the navigation message information of the modulation code carrying includes the absolute location coordinates information of corresponding transmitting base station, on modulation code
Loop cycle is broadcast, and the terminal receives modulated signal and the reception signal of the acquisition pulsed in period is utilized the tune of BPSK etc.
Technology processed realizes the communication of the fixed communication rate of pulsed, realizes transmission of the information from base station to the terminal.
9. the method for realizing position positioning using the rotary beam of time division synchronous as described in claim 1, which is characterized in that institute
Multiple base stations broadcasts time division synchronous rotary wave beam simultaneously is stated, realizes that the covering to localization region, the distribution of base station can utilize now
Some cellular communication base stations, the terminal obtain the absolute seat of at least two base stations by the signal of at least two base stations of reception
Information is marked, the angle information of line and true north line that the corresponding terminal is formed with base station is obtained, is reached and is believed by base station
The localization method of bugle degree realizes the positioning of the terminal.
10. the method for realizing position positioning using the rotary beam of time division synchronous as described in claim 1, which is characterized in that
The terminal positioning uses Rainles day mode, directly calculates out position by the positioning signal that receives, does not need and base station
Formula communication is interacted to position, the terminal positioning positioning signal reception circuit does not configure positioning signal radiating circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103405.6A CN108337730B (en) | 2018-02-01 | 2018-02-01 | Method for realizing position positioning by using time-division synchronous rotating wave beam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810103405.6A CN108337730B (en) | 2018-02-01 | 2018-02-01 | Method for realizing position positioning by using time-division synchronous rotating wave beam |
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| CN108337730A true CN108337730A (en) | 2018-07-27 |
| CN108337730B CN108337730B (en) | 2020-10-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933741A (en) * | 2018-09-14 | 2020-03-27 | 中兴通讯股份有限公司 | Positioning method and device of user equipment |
| WO2020253377A1 (en) * | 2019-06-20 | 2020-12-24 | 维沃移动通信有限公司 | Terminal positioning method and mobile terminal |
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| Publication number | Publication date |
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| CN108337730B (en) | 2020-10-23 |
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