CN113301647A - Mobile phone positioning system based on multi-source information fusion - Google Patents
Mobile phone positioning system based on multi-source information fusion Download PDFInfo
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- CN113301647A CN113301647A CN202110571243.0A CN202110571243A CN113301647A CN 113301647 A CN113301647 A CN 113301647A CN 202110571243 A CN202110571243 A CN 202110571243A CN 113301647 A CN113301647 A CN 113301647A
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- 230000004927 fusion Effects 0.000 title claims abstract description 34
- 238000003745 diagnosis Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims description 5
- 238000007499 fusion processing Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
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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
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
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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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- 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
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention discloses a mobile phone positioning system based on multi-source information fusion, which belongs to the technical field of mobile phone positioning and comprises a main reference module, a fault diagnosis judgment module, a multi-source information fusion system and a positioning system, wherein the positioning system comprises a satellite positioning subsystem, a base station positioning system and a WiFi positioning system, the satellite positioning subsystem, the base station positioning system and the WiFi positioning system respectively comprise a plurality of sub-filters, the fault diagnosis judgment module is connected with the positioning system and used for receiving positioning data information from the plurality of sub-filters and making judgment on the information, the multi-source information fusion system is connected with the fault diagnosis judgment module, the main reference module is connected with the multi-source information fusion system, and the positioning information is further selected as main information for positioning; the sub-filters of the system are independent in filtering and do not influence each other, so that the positioning accuracy of the mobile phone is improved, the expansion capability and the fault tolerance of a system frame are improved, and the system has robustness.
Description
Technical Field
The invention belongs to the technical field of mobile phone positioning, and particularly relates to a mobile phone positioning system based on multi-source information fusion.
Background
A mobile phone positioning system, which is a technology or service for obtaining the position information (longitude and latitude coordinates) of a mobile phone or a terminal user by a specific positioning technology and marking the position of a positioned object on an electronic map, the existing mobile phone positioning systems are generally the following:
one is GPS based positioning and one is positioning based on base stations of the mobile operating network. The positioning mode based on the GPS is to utilize a GPS positioning module on the mobile phone to send own position signals to a positioning background to realize the positioning of the mobile phone. The positioning of the base station determines the position of the mobile phone by using the measured distance of the base station to the distance of the mobile phone. The latter does not require the handset to have GPS positioning capability, but the accuracy depends greatly on the distribution of base stations and the size of the coverage area, sometimes with an error of more than one kilometer. The former has high positioning accuracy, but the GPS satellite signal has weak penetration capability, and therefore, the former cannot be used indoors and consumes much power. In addition, a mode of positioning in a small range by utilizing Wifi is provided; each positioning mode has its limitations, and the positioning accuracy is to be further improved.
Disclosure of Invention
The invention aims to provide a mobile phone positioning system based on multi-source information fusion, which is used for greatly improving the mobile phone positioning accuracy.
In order to achieve the purpose, the invention provides the following technical scheme: a mobile phone positioning system based on multi-source information fusion comprises a main reference module, a fault diagnosis judgment module, a multi-source information fusion system and a positioning system, wherein the positioning system comprises a satellite positioning subsystem, a base station positioning system and a WiFi positioning system, the satellite positioning subsystem, the base station positioning system and the WiFi positioning system respectively comprise a plurality of sub-filters, the number of the sub-filters arranged in each satellite positioning subsystem, the number of the sub-filters arranged in the base station positioning system and the number of the sub-filters arranged in the WiFi positioning system are consistent and are more than three, the fault diagnosis judgment module is connected with the positioning system and used for receiving positioning data information from the plurality of sub-filters and judging the information to give qualified information, the multi-source information fusion system is connected with the fault diagnosis judgment module and used for carrying out information fusion processing on the qualified information received by the fault diagnosis judgment module, the main reference module is connected with the multi-source information fusion system, and further selects positioning information as main information to perform positioning.
Preferably, the sub-filters in the satellite positioning subsystem include mobile phone position information positioned by the positioning background of the satellite positioning subsystem, and each sub-filter transmits the obtained information to the inside of the fault diagnosis and judgment module.
Preferably, the sub-filters in the base station positioning system include measured distance information, the measured distance information is information of a distance between the base station and the mobile phone, and each sub-filter transmits the obtained information to the inside of the fault diagnosis and judgment module.
Preferably, the sub-filters in the WiFi positioning system include longitude and latitude information of the mobile phone obtained by positioning, each sub-filter obtains non-interfering information, and each sub-filter transmits the obtained information to the inside of the fault diagnosis and judgment module.
Preferably, the fault diagnosis judging module comprises data judgment of a satellite positioning subsystem, a base station positioning system and a WiFi positioning system, and specifically comprises judgment of the satellite positioning subsystem, wherein a base point is positioned first, positioning information obtained by each sub-filter is established around the base point, and positioning information which is wholly close to the base point is judged as optimal information; the method also comprises the judgment of a base station positioning system, firstly, calculating a distribution image of distance information obtained by each sub-filter, and taking the sub-filter closest to the peak value as optimal information; and judging the WiFi positioning system, calculating the average value of longitude and latitude information obtained by each sub-filter, and taking the sub-filter closest to the average value as the optimal information.
Preferably, the following distribution formula is adopted for the distribution image of the distance information obtained by calculating each sub-filter: r(i)(t)＝R(i)(t)+ε(i)(t), the observation error satisfies: epsilon(i)(t)～N(0,0.122),η(i)(t)～N(0,0.0062) I is 1,2,3, where i is the number of sub-filters.
The mobile phone positioning device based on multi-source information fusion comprises a sub-filter, a processor, a GPS positioning module and a mobile phone, wherein the GPS positioning module is fixed in the mobile phone, and the sub-filter and the processor are positioned in the mobile phone and are connected with the GPS positioning module.
The invention has the beneficial effects that: the mobile phone positioning system based on multi-source information fusion comprises more than three sub-filters, wherein the number of the sub-filters arranged in each satellite positioning subsystem, base station positioning system and WiFi positioning system is consistent, a fault diagnosis judging module is connected with the positioning system and used for receiving positioning data information from the sub-filters and judging the information to give qualified information, the fault diagnosis judging module comprises data judgment on the satellite positioning subsystems, the base station positioning system and the WiFi positioning system and specifically comprises judgment on the satellite positioning subsystems, firstly, a base point is positioned, positioning information obtained by each sub-filter is built around the base point, and positioning information which is totally close to the base point is judged to be optimal information; the method also comprises the judgment of a base station positioning system, firstly, calculating a distribution image of distance information obtained by each sub-filter, and taking the sub-filter closest to the peak value as optimal information; the method also comprises the steps of judging the WiFi positioning system, calculating the average value of longitude and latitude information obtained by each sub-filter, taking the sub-filter closest to the average value as the optimal information, and performing multi-source information fusion through the preferential treatment, wherein the sub-filters independently filter and do not influence each other, so that the positioning precision of the mobile phone is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a mobile phone positioning system based on multi-source information fusion provided by the present invention.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
Referring to fig. 1, a mobile phone positioning system based on multi-source information fusion according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
The mobile phone positioning system based on the multi-source information fusion comprises a main reference module, a fault diagnosis judgment module, a multi-source information fusion system and a positioning system, wherein the positioning system comprises a satellite positioning subsystem, a base station positioning system and a WiFi positioning system, the satellite positioning subsystem, the base station positioning system and the WiFi positioning system respectively comprise a plurality of sub-filters, the number of the sub-filters arranged in each satellite positioning subsystem, the number of the sub-filters arranged in each base station positioning system and the number of the sub-filters arranged in each WiFi positioning system are consistent and are more than three, the fault diagnosis judgment module is connected with the positioning system and is used for receiving positioning data information from the plurality of sub-filters and judging the information to give qualified information, the multi-source information fusion system is connected with the fault diagnosis judgment module and is used for carrying out information fusion processing on the qualified information received by the fault diagnosis judgment module, the main reference module is connected with the multi-source information fusion system, and further selects positioning information as main information to perform positioning.
Specifically, the sub-filters in the satellite positioning subsystem comprise mobile phone position information positioned by the positioning background of the satellite positioning subsystem, and each sub-filter transmits the obtained information to the inside of the fault diagnosis judgment module.
Specifically, the sub-filters in the base station positioning system include measured distance information, the measured distance information is information of the distance between the base station and the mobile phone, and each sub-filter transmits the obtained information to the inside of the fault diagnosis and judgment module.
Specifically, the sub-filters in the WiFi positioning system include longitude and latitude information of the mobile phone obtained through positioning, each sub-filter obtains information that is not interfered with each other, and each sub-filter transmits the obtained information to the inside of the fault diagnosis and judgment module.
Specifically, the fault diagnosis judging module comprises data judgment of a satellite positioning subsystem, a base station positioning system and a WiFi positioning system, and specifically comprises judgment of the satellite positioning subsystem, wherein a base point is positioned firstly, positioning information obtained by each sub-filter is built around the base point, and positioning information which is totally close to the base point is judged as optimal information; the method also comprises the judgment of a base station positioning system, firstly, calculating a distribution image of distance information obtained by each sub-filter, and taking the sub-filter closest to the peak value as optimal information; and judging the WiFi positioning system, calculating the average value of longitude and latitude information obtained by each sub-filter, and taking the sub-filter closest to the average value as the optimal information.
Specifically, the following distribution formula is adopted to calculate the distribution image of the distance information obtained by each sub-filter: r (i) (t) ═ r (i) (t) + epsilon (i) (t), and the observation error satisfies: epsilon (i) (t) to N (0,0.122), eta (i) (t) to N (0,0.0062), i ═ 1,2,3, where i is the number of sub-filters.
The mobile phone positioning device based on multi-source information fusion comprises a sub-filter, a processor, a GPS positioning module and a mobile phone, wherein the GPS positioning module is fixed in the mobile phone, and the sub-filter and the processor are positioned in the mobile phone and are connected with the GPS positioning module.
During positioning, various information is received through the sub-filter, data judgment is carried out on a satellite positioning subsystem, a base station positioning system and a WiFi positioning system through the fault diagnosis judgment module, positioning information is selected preferentially, and the optimal positioning of the system is obtained through processing of the multi-source information fusion system again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A mobile phone positioning system based on multi-source information fusion is characterized by comprising a main reference module, a fault diagnosis judgment module, a multi-source information fusion system and a positioning system, wherein the positioning system comprises a satellite positioning subsystem, a base station positioning system and a WiFi positioning system, the satellite positioning subsystem, the base station positioning system and the WiFi positioning system respectively comprise a plurality of sub-filters, the number of the sub-filters arranged in each of the satellite positioning subsystem, the base station positioning system and the WiFi positioning system is consistent and exceeds three, the fault diagnosis judgment module is connected with the positioning system and used for receiving positioning data information from the plurality of sub-filters and judging the information to give qualified information, the multi-source information fusion system is connected with the fault diagnosis judgment module and used for carrying out information fusion processing on the qualified information received by the fault diagnosis judgment module, the main reference module is connected with the multi-source information fusion system, and further selects positioning information as main information to perform positioning.
2. The mobile phone positioning system based on multi-source information fusion of claim 1, wherein the sub-filters in the satellite positioning subsystem comprise mobile phone position information positioned by a positioning background of the satellite positioning subsystem, and each sub-filter transmits the obtained information to the inside of the fault diagnosis judgment module.
3. The mobile phone positioning system based on multi-source information fusion of claim 1, wherein the sub-filters in the base station positioning system include information on measured distance, the information on measured distance is information on distance between the base station and the mobile phone, and each sub-filter transmits the obtained information to the inside of the fault diagnosis and judgment module.
4. The mobile phone positioning system based on multi-source information fusion of claim 1, wherein the sub-filters in the WiFi positioning system contain longitude and latitude information of the mobile phone obtained by positioning, each sub-filter obtains information that does not interfere with each other, and each sub-filter transmits the obtained information to the inside of the fault diagnosis and judgment module.
5. The mobile phone positioning system based on multi-source information fusion of claim 1, wherein the fault diagnosis and judgment module comprises data judgment of a satellite positioning subsystem, a base station positioning system and a WiFi positioning system, and specifically comprises judgment of the satellite positioning subsystem, a base point is positioned first, positioning information obtained by each sub-filter is built around the base point, and positioning information which is totally deviated from the base point and is close is judged as optimal information; the method also comprises the judgment of a base station positioning system, firstly, calculating a distribution image of distance information obtained by each sub-filter, and taking the sub-filter closest to the peak value as optimal information; and judging the WiFi positioning system, calculating the average value of longitude and latitude information obtained by each sub-filter, and taking the sub-filter closest to the average value as the optimal information.
6. The mobile phone positioning system based on multi-source information fusion of claim 5, wherein the distribution image of the distance information obtained by calculating each sub-filter adopts the following distribution formula: r(i)(t)＝R(i)(t)+ε(i)(t), the observation error satisfies: epsilon(i)(t)～N(0,0.122),η(i)(t)～N(0,0.0062) I is 1,2,3, where i is the number of sub-filters.
7. A mobile phone positioning device based on multi-source information fusion is characterized in that the mobile phone positioning system based on multi-source information fusion of claims 1-6 is used, and comprises a sub-filter, a processor, a GPS positioning module and a mobile phone, wherein the GPS positioning module is fixed inside the mobile phone, and the sub-filter and the processor are positioned inside the mobile phone and are both connected with the GPS positioning module.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598557A (en) * | 2009-07-15 | 2009-12-09 | 北京航空航天大学 | An integrated navigation system applied to unmanned aircraft |
| CN104076382A (en) * | 2014-07-22 | 2014-10-01 | 中国石油大学(华东) | Seamless vehicle positioning method based on multi-source information fusion |
| CN107656301A (en) * | 2017-09-20 | 2018-02-02 | 北京航天发射技术研究所 | A kind of vehicle positioning method based on Multi-source Information Fusion |
| CN111928846A (en) * | 2020-07-31 | 2020-11-13 | 南京理工大学 | Multi-source fusion plug-and-play integrated navigation method based on federal filtering |
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- 2021-05-25 CN CN202110571243.0A patent/CN113301647A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598557A (en) * | 2009-07-15 | 2009-12-09 | 北京航空航天大学 | An integrated navigation system applied to unmanned aircraft |
| CN104076382A (en) * | 2014-07-22 | 2014-10-01 | 中国石油大学(华东) | Seamless vehicle positioning method based on multi-source information fusion |
| CN107656301A (en) * | 2017-09-20 | 2018-02-02 | 北京航天发射技术研究所 | A kind of vehicle positioning method based on Multi-source Information Fusion |
| CN111928846A (en) * | 2020-07-31 | 2020-11-13 | 南京理工大学 | Multi-source fusion plug-and-play integrated navigation method based on federal filtering |
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