CN103889050A - Positioning method, device thereof and system thereof - Google Patents
Positioning method, device thereof and system thereof Download PDFInfo
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- CN103889050A CN103889050A CN201410053846.1A CN201410053846A CN103889050A CN 103889050 A CN103889050 A CN 103889050A CN 201410053846 A CN201410053846 A CN 201410053846A CN 103889050 A CN103889050 A CN 103889050A
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Abstract
This invention provides a positioning method, a device thereof and a system thereof. Through responding to the received positioning request sent by a user terminal, the radio signals sent by each base station and/or satellite are respectively received, then a target radio signal which satisfies a preset positioning rule is obtained and the initial position information of the user terminal is obtained, by using the initial position information and each target radio signal, the precise position of the user terminal is calculated, and the positioning of the user terminal is realized. According to the scheme, through receiving the radio signals sent by the base station and/or satellite, the user terminal is positioned according to the received radio signals, under the premise of ensuring the positioning precision, the positioning efficiency is raised, the construction difficulty and cost are reduced, and the need of wide-range positioning is satisfied.
Description
Technical field
The application relates to location systems art field, particularly relates to a kind of localization method, Apparatus and system.
Background technology
The development of location technology, for people's life provides more facility, and along with the raising of people's living standard, has proposed more and more higher requirement to location technology, and targeting scheme of the prior art mainly contains several as follows:
1), realize location by access base station, user terminal is by access base station, the positional information of returning to this base station by base station is to user terminal, and then the position of definite this user terminal, but, the method is because must just can realize by access base station, and the access capacity of base station is limited, and then cause in the time that requirements for access amount is greater than base station capacity, certain customers' terminal cannot realize location, and in this localization method, the positional information that user terminal returns to base station, as the position of itself, causes locating inaccuracy.
2), by layouting, (as: receiver) realizes location, the method is mainly to enter while layouting region as user, by the reflector of carrying, transmit in real time, in the time that this point of layouting in region receives this and transmits, by communication to server, passed through this user's of position calculation of point position by server, but, the method is often because need to arrange a large amount of points, cause cost up, difficulty of construction is large, and this point being arranged generally can only be arranged in indoor, as: museum etc., cause the range of application of the method to reduce, simultaneously because the computing capability of server is limited, while causing user when needs location many, cannot very fast user be positioned, and because the problems such as transmission delay, cause locating inaccuracy.
Therefore, need a kind of localization method, Apparatus and system badly, ensureing under the prerequisite of positioning precision, improve location efficiency, reduce difficulty of construction and cost, meet the needs of location on a large scale.
Summary of the invention
In view of this, the embodiment of the present application provides a kind of localization method, Apparatus and system, is ensureing under the prerequisite of positioning precision to realize, and improves location efficiency, reduces difficulty of construction and cost, meets the needs of location on a large scale.
To achieve these goals, the technical scheme that the embodiment of the present application provides is as follows:
A kind of localization method, comprising:
The Location Request that the user terminal that response receives sends, receives respectively the radio signal that each base station and/or satellite send;
Described in each, in radio signal, obtain the object radio signal that meets the locating rule setting in advance;
Obtain the initial position message of user terminal;
Utilize described initial position message and object radio signal described in each, the exact position of calculating described user terminal, realizes the location to described user terminal.
Preferably, described in each, in radio signal, obtain the object radio signal that meets the locating rule setting in advance, comprising:
Described in each, in radio signal, the signal strength signal intensity of obtaining described radio signal meets the object radio signal of the locating rule setting in advance.
Preferably, the locating rule setting in advance described in is:
Described in each, in radio signal, basis signal intensity order from high to low, obtains at least four object radio signals.
Preferably, the initial position message of described user terminal is:
By radio communication mode, the initial position message of definite user terminal.
Preferably, describedly utilize described initial position message and object radio signal described in each, the exact position of calculating described user terminal, comprising:
Obtain respectively the positional information of carrying in the navigation message of object radio signal described in each and radio signal launch time;
Utilize described radio signal launch time, calculate corresponding with each described object radio signal respectively propagation delay distance;
According to described initial position message, positional information and the propagation delay distance corresponding with each described object radio signal respectively, the exact position of calculating described user terminal.
Preferably, utilize described radio signal to calculate corresponding with each described object radio signal respectively propagation delay distance launch time, comprising:
Obtain the local zone time that described user terminal receives object radio signal described in each;
Utilize the light velocity, described local zone time and radio signal launch time corresponding with each object radio signal respectively, calculate corresponding with each object radio signal respectively propagation delay distance.
Preferably, before receiving respectively the radio signal of each base station and/or satellite transmission, also comprise:
Time synchronized between base station described in each and/or satellite is set.
A kind of positioner, comprising: radio signal receiving element, the first acquiring unit, second acquisition unit and position calculation unit, wherein,
Described radio signal receiving element, for responding the Location Request of the user terminal transmission receiving, receives respectively the radio signal that each base station and/or satellite send;
Described the first acquiring unit is connected with described radio signal receiving element, for radio signal described in each, obtains the object radio signal that meets the locating rule setting in advance;
Described second acquisition unit is for obtaining the initial position message of user terminal;
One end of described position calculation unit is connected with described the first acquiring unit, the other end is connected with described second acquisition unit, be used for utilizing described initial position message and object radio signal described in each, calculate the exact position of described user terminal, realize the location to described user terminal.
Preferably, also comprise: time synchronized unit, wherein,
Described time synchronized unit is connected with described radio signal receiving element, for before receiving respectively the radio signal that each base station and/or satellite send, the time synchronized between base station described in each and/or satellite is set.
A kind of navigation system, comprising: user terminal, at least four base stations and/or satellite and the positioner as described in the claims 8-9 any one.
The application provides a kind of localization method, Apparatus and system, the Location Request that the user terminal receiving by response sends, receive respectively the radio signal that each base station and/or satellite send, then in each radio signal receiving, obtain the object radio signal that meets the default locating rule arranging, and obtain the initial position message of user terminal, finally utilize this initial position message and each object radio signal, calculate the exact position of user terminal, realize the location to user terminal, the radio signal that this programme sends by receiving base station and/or satellite, and then according to the radio signal receiving, user terminal is positioned, realize and having ensured under the prerequisite of positioning precision, improve location efficiency, reduce difficulty of construction and cost, meet the needs of location on a large scale.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the application, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of localization method flow chart that Fig. 1 provides for the embodiment of the present application one;
The one that Fig. 2 provides for the embodiment of the present application one is utilized initial position message and each object radio signal, calculates the method flow diagram of the exact position of user terminal.
The structural representation of a kind of positioner that Fig. 3 provides for the embodiment of the present application two.
Embodiment
In order to make those skilled in the art person understand better the technical scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiment.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the application's protection.
Embodiment mono-:
A kind of localization method flow chart that Fig. 1 provides for the embodiment of the present application one.
As shown in Figure 1, the method comprises:
The Location Request that the user terminal that S101, response receive sends, receives respectively the radio signal that each base station and/or satellite send.
The localization method that the embodiment of the present application provides, be applied under the prerequisite that sets in advance at least four base stations and/or satellite, that is: the localization method that the embodiment of the present application provides, be applied under the prerequisite that sets in advance base station and/or satellite, and the sum of the base station setting in advance and/or satellite can not be less than 4.
In the embodiment of the present application, in the time that user terminal need to position himself, first need to send Location Request, in the localization method that the embodiment of the present application provides, when receiving after the Location Request of user terminal transmission, can receive the radio signal that each base station and/or satellite send.
S102, in each radio signal, obtain the object radio signal that meets the locating rule that sets in advance.
In the embodiment of the present application, when receiving after the radio signal of each base station and/or satellite transmission, need to be in each radio signal, the signal strength signal intensity of obtaining radio signal meets the object radio signal of the locating rule setting in advance, and this object radio signal is the radio signal that meets the locating rule setting in advance in each radio signal of obtaining.
And in the embodiment of the present application, preferably, this locating rule setting in advance is: in each radio signal, basis signal intensity order from high to low, obtain at least four object radio signals, below be only the optimal way of the locating rule that sets in advance in the embodiment of the present application, inventor can also, according to the demand of oneself, arrange arbitrarily the implementation of locating rule.
S103, obtain the initial position message of user terminal.
In the embodiment of the present application, in the time that user terminal moves to certain position, carry out radio communication for the ease of this user terminal, first can this user terminal location of chosen distance nearest base station or satellite are as the auxiliary equipment of radio communication, select the strongest base station or the satellite of radio signal being received by user terminal, as the auxiliary setting of radio communication, simultaneously, in this process, can also be according to the positional information of this selecteed base station or satellite, determine the initial position message of this user terminal, this process of specifically determining the initial position message of user terminal is prior art, refer in detail prior art, no longer be described in detail at this.
S104, utilize initial position message and each object radio signal, calculate the exact position of user terminal.
In the embodiment of the present application, after getting the initial position message and each object radio signal of user terminal, can be according to initial position message and each object radio signal of the user terminal getting, calculate the exact position of user terminal, and then realize the location to this user terminal.
And in the embodiment of the present application, utilize initial position message and each object radio signal, calculate the method flow diagram of the exact position of user terminal, as shown in Figure 2.
As shown in Figure 2, the method comprises:
S201, obtain the positional information of carrying in the navigation message of each object radio signal and radio signal launch time respectively.
In the embodiment of the present application, when utilizing initial position message and each object radio signal, while calculating the exact position of user terminal, first need to obtain respectively the positional information of carrying in the navigation message of each object radio signal and radio signal launch time, this positional information is to send the base station of this object radio signal and/or the more specific location information of satellite.
S202, utilize radio signal launch time, calculate corresponding with each object radio signal respectively propagation delay distance.
In the embodiment of the present application, when getting respectively after corresponding with each object radio signal radio signal launch time, need to obtain the local zone time that user terminal receives object radio signal described in each, calculate the time difference between local zone time and each radio signal launch time, and then be multiplied by the light velocity with this time difference, can calculate corresponding with each object radio signal respectively propagation delay distance, this propagation delay distance is base station and/or the satellite of transmitting object radio signal, and distance between user terminal.
S203, according to initial position message, positional information and the propagation delay distance corresponding with each object radio signal respectively, the exact position of calculating user terminal.
In the embodiment of the present application, set in advance the range finding equation obtaining based on the principle such as TOA, TDOA, solving in the process of this range finding equation, by input position initial value, at least four position coordinateses and the propagation delay distance corresponding with each position coordinates, and then realize solving user terminal location by iterative process.And more than the method for solving of range finding equation and this range finding equation, belongs to prior art, describe in detail and refer to prior art, be not described in detail at this.
In the embodiment of the present application, when getting the initial position message of user terminal and respectively after the positional information corresponding with each object radio signal and propagation delay distance, obtain the position initial value of this user terminal according to the initial position message of user terminal, obtain corresponding position coordinates according to positional information corresponding to object radio signal, then by the position initial value of this user terminal, the position coordinates corresponding with each radio signal and propagation delay distance respectively, the range finding equation that input sets in advance, solve by iterative process, obtain the exact position of user terminal, realize the location to this user terminal.
Further, in a kind of localization method providing in the embodiment of the present application, before receiving respectively the radio signal of each base station and/or satellite transmission, also comprise:
Time synchronized between each base station and/or satellite is set.
In the embodiment of the present application, the time synchronization process arranging between base station and/or satellite is prior art, refers in detail prior art, is no longer described in detail at this.
The embodiment of the present application provides a kind of localization method, the Location Request that the user terminal receiving by response sends, receive respectively the radio signal that each base station and/or satellite send, then in each radio signal receiving, obtain the object radio signal that meets the default locating rule arranging, and obtain the initial position message of user terminal, finally utilize this initial position message and each object radio signal, calculate the exact position of user terminal, realize the location to user terminal, the radio signal that this programme sends by receiving base station and/or satellite, and then according to the radio signal receiving, user terminal is positioned, realize and having ensured under the prerequisite of positioning precision, improve location efficiency, reduce difficulty of construction and cost, meet the needs of location on a large scale.
Embodiment bis-:
The structural representation of a kind of positioner that Fig. 3 provides for the embodiment of the present application two.
As shown in Figure 3, this device comprises: radio signal receiving element 1, the first acquiring unit 2, second acquisition unit 3 and position calculation unit 4, wherein,
Radio signal receiving element 1, for responding the Location Request of the user terminal transmission receiving, receives respectively the radio signal that each base station and/or satellite send.
The first acquiring unit 2 is connected with radio signal receiving element 1, in each radio signal, obtains the object radio signal that meets the locating rule setting in advance.
One end of position calculation unit 4 is connected with the first acquiring unit 2, and the other end is connected with second acquisition unit 3, for utilizing initial position message and each object radio signal, calculates the exact position of user terminal, realizes the location to user terminal.
Further, a kind of positioner that the embodiment of the present application provides, also comprise: time synchronized unit, this time synchronized unit is connected with radio signal receiving element, for before receiving respectively the radio signal of each base station and/or satellite transmission, the time synchronized between each base station and/or satellite is set.
The embodiment of the present application provides a kind of positioner, the Location Request that the user terminal that this device receives by response sends, receive respectively the radio signal that each base station and/or satellite send, then in each radio signal receiving, obtain the object radio signal that meets the default locating rule arranging, and obtain the initial position message of user terminal, finally utilize this initial position message and each object radio signal, calculate the exact position of user terminal, realize the location to user terminal, this programme receives the radio signal of base station and/or satellite transmission by positioner, and then according to the radio signal receiving, user terminal is positioned, realize and having ensured under the prerequisite of positioning precision, improve location efficiency, reduce difficulty of construction and cost, meet the needs of location on a large scale.
Embodiment tri-:
The embodiment of the present application three provides a kind of navigation system, and this system comprises: user terminal, at least four base stations and/or satellite and a kind of positioner providing as above-described embodiment two.
In a kind of navigation system providing in the embodiment of the present application three, send Location Request by user terminal, positioner is preferably arranged on this user terminal, the Location Request that this positioner response user terminal sends, first receive respectively the radio signal that each base station and/or satellite send, and in each radio signal receiving, obtain the object radio signal that meets the locating rule setting in advance, then obtain the position initial value of user terminal, finally utilize initial position message and each object radio signal, calculate the exact position of user terminal, realize the location to user terminal.
The embodiment of the present application provides a kind of navigation system, first this system responds the Location Request of the user terminal transmission receiving by positioner, receive respectively the radio signal that each base station and/or satellite send, then in each radio signal receiving, obtain the object radio signal that meets the default locating rule arranging, and obtain the initial position message of user terminal, finally utilize this initial position message and each object radio signal, calculate the exact position of user terminal, realize the location to user terminal, the radio signal that this programme sends by receiving base station and/or satellite, and then according to the radio signal receiving, user terminal is positioned, realize and having ensured under the prerequisite of positioning precision, improve location efficiency, reduce difficulty of construction and cost, meet the needs of location on a large scale.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.For the disclosed device of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates referring to method part.
Below be only the application's preferred implementation, make those skilled in the art can understand or realize the application.To be apparent to one skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the case of not departing from the application's spirit or scope, realize in other embodiments.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a localization method, is characterized in that, comprising:
The Location Request that the user terminal that response receives sends, receives respectively the radio signal that each base station and/or satellite send;
Described in each, in radio signal, obtain the object radio signal that meets the locating rule setting in advance;
Obtain the initial position message of user terminal;
Utilize described initial position message and object radio signal described in each, the exact position of calculating described user terminal, realizes the location to described user terminal.
2. method according to claim 1, is characterized in that, described in each, in radio signal, obtains the object radio signal that meets the locating rule setting in advance, and comprising:
Described in each, in radio signal, the signal strength signal intensity of obtaining described radio signal meets the object radio signal of the locating rule setting in advance.
3. method according to claim 2, is characterized in that, described in the locating rule that sets in advance be:
Described in each, in radio signal, basis signal intensity order from high to low, obtains at least four object radio signals.
4. method according to claim 1, is characterized in that, the initial position message of described user terminal is:
By radio communication mode, the initial position message of definite user terminal.
5. according to the method described in claim 1-4 any one, it is characterized in that, describedly utilize described initial position message and object radio signal described in each, the exact position of calculating described user terminal, comprising:
Obtain respectively the positional information of carrying in the navigation message of object radio signal described in each and radio signal launch time;
Utilize described radio signal launch time, calculate corresponding with each described object radio signal respectively propagation delay distance;
According to described initial position message, positional information and the propagation delay distance corresponding with each described object radio signal respectively, the exact position of calculating described user terminal.
6. method according to claim 5, is characterized in that, utilizes described radio signal to calculate corresponding with each described object radio signal respectively propagation delay distance launch time, comprising:
Obtain the local zone time that described user terminal receives object radio signal described in each;
Utilize the light velocity, described local zone time and radio signal launch time corresponding with each object radio signal respectively, calculate corresponding with each object radio signal respectively propagation delay distance.
7. method according to claim 1, is characterized in that, before receiving respectively the radio signal of each base station and/or satellite transmission, also comprises:
Time synchronized between base station described in each and/or satellite is set.
8. a positioner, is characterized in that, comprising: radio signal receiving element, the first acquiring unit, second acquisition unit and position calculation unit, wherein,
Described radio signal receiving element, for responding the Location Request of the user terminal transmission receiving, receives respectively the radio signal that each base station and/or satellite send;
Described the first acquiring unit is connected with described radio signal receiving element, for radio signal described in each, obtains the object radio signal that meets the locating rule setting in advance;
Described second acquisition unit is for obtaining the initial position message of user terminal;
One end of described position calculation unit is connected with described the first acquiring unit, the other end is connected with described second acquisition unit, be used for utilizing described initial position message and object radio signal described in each, calculate the exact position of described user terminal, realize the location to described user terminal.
9. device according to claim 8, is characterized in that, also comprises: time synchronized unit, wherein,
Described time synchronized unit is connected with described radio signal receiving element, for before receiving respectively the radio signal that each base station and/or satellite send, the time synchronized between base station described in each and/or satellite is set.
10. a navigation system, is characterized in that, comprising: user terminal, at least four base stations and/or satellite and the positioner as described in the claims 8-9 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410053846.1A CN103889050A (en) | 2014-02-18 | 2014-02-18 | Positioning method, device thereof and system thereof |
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| CN201410053846.1A CN103889050A (en) | 2014-02-18 | 2014-02-18 | Positioning method, device thereof and system thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106406551A (en) * | 2016-11-28 | 2017-02-15 | 成都理想境界科技有限公司 | Positioning system, positioning terminal and positioning network |
| CN107749773A (en) * | 2017-09-25 | 2018-03-02 | 全球能源互联网研究院 | A kind of satellite communication system and its communication means |
| CN107771291A (en) * | 2015-04-27 | 2018-03-06 | 祖迪雅克数据系统公司 | For handling the signal from transmitter with the system and correlation reception website of timing signal and location transmitters |
| CN108363039A (en) * | 2018-02-13 | 2018-08-03 | 山东顺国电子科技有限公司 | Multiple information sources localization method and device |
| CN108801360A (en) * | 2018-07-24 | 2018-11-13 | 国家能源投资集团有限责任公司 | Detection method, apparatus and system based on grounded screen |
| CN112770389A (en) * | 2020-12-17 | 2021-05-07 | 歌尔光学科技有限公司 | Positioning accuracy feedback method, device, equipment and computer readable storage medium |
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2014
- 2014-02-18 CN CN201410053846.1A patent/CN103889050A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107771291A (en) * | 2015-04-27 | 2018-03-06 | 祖迪雅克数据系统公司 | For handling the signal from transmitter with the system and correlation reception website of timing signal and location transmitters |
| CN107771291B (en) * | 2015-04-27 | 2021-04-27 | 祖迪雅克数据系统公司 | System for processing signals from transmitters to time signals and locate transmitters and related receiving station |
| CN106406551A (en) * | 2016-11-28 | 2017-02-15 | 成都理想境界科技有限公司 | Positioning system, positioning terminal and positioning network |
| CN107749773A (en) * | 2017-09-25 | 2018-03-02 | 全球能源互联网研究院 | A kind of satellite communication system and its communication means |
| CN107749773B (en) * | 2017-09-25 | 2022-09-02 | 全球能源互联网研究院 | Satellite communication system and communication method thereof |
| CN108363039A (en) * | 2018-02-13 | 2018-08-03 | 山东顺国电子科技有限公司 | Multiple information sources localization method and device |
| CN108801360A (en) * | 2018-07-24 | 2018-11-13 | 国家能源投资集团有限责任公司 | Detection method, apparatus and system based on grounded screen |
| CN112770389A (en) * | 2020-12-17 | 2021-05-07 | 歌尔光学科技有限公司 | Positioning accuracy feedback method, device, equipment and computer readable storage medium |
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Application publication date: 20140625 |