CN103712618B - A kind of non-ranging personnel's method for rapidly positioning and system thereof - Google Patents
A kind of non-ranging personnel's method for rapidly positioning and system thereof Download PDFInfo
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- CN103712618B CN103712618B CN201310710589.XA CN201310710589A CN103712618B CN 103712618 B CN103712618 B CN 103712618B CN 201310710589 A CN201310710589 A CN 201310710589A CN 103712618 B CN103712618 B CN 103712618B
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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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
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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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
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- Radar, Positioning & Navigation (AREA)
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- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The present invention relates to localization method, particularly relate to a kind of non-ranging personnel's method for rapidly positioning and system thereof, the present invention can realize the locating and tracking of personnel in the place of indoor and outdoor mixing, by staggered form layout type, reader being carried out array layout, system is determined anchor point by inquiring about preset mapping table and displays, preserves.The beneficial effects of the present invention is: 1, the present invention makes positioning precision be remarkably enhanced when not adopting distance measuring method, decrease the various location algorithm resource consumption to system, improve response speed, be also absent from the environmental factors restriction to ranging localization；2, region, location can be carried out cutting according to project by the requirement of precision, cost by whole system, and whole system has significantly high elasticity；3, the mode adopting semi-active electronic tag and low frequency activation device to combine, efficiently solves the problem that active label energy consumption is high and passive label decipherment distance is short, improves the overall performance of system.
Description
Technical field
The present invention relates to localization method, particularly relate to a kind of non-ranging personnel's method for rapidly positioning and system thereof.
Background technology
Fast development along with technology of Internet of things, the common direction turning future urban development into of smart city, important step as smart city development, the demand of personnel positioning technology also day by day increases, although market has occurred in that multiple personnel's targeting scheme, but each targeting scheme is affected by the impact of environmental factors, so personnel positioning product in the market can not be applicable to all demand environments.
The location mode that presently the most people knows is GPS location, and as a kind of comparatively ripe location technology, GPS can meet multiple location requirement, and precision is also more and more higher.But owing to needing to receive the technical characteristic of satellite-signal, GPS is not particularly suited for indoor positioning.As the one of Internet of Things location, the location technology based on RF identification has begun to be adopted widely as the indoor positioning scheme of a kind of advanced person.
Targeting scheme based on RF identification substantially can be divided into two classes: range finding is with non-ranging.Based on non-ranging location mode by judging whether the connection between test point and target judges whether target enters detection region, this mode does not need complicated algorithm, the requirement of system resource is not high yet, but positioning precision is relatively low, can only determine and be positioned approximately in test point covering area range.Location mode based on range finding includes again the modes such as RSSI, DOA, TOA, and their common ground is that positioning precision is higher, but is also subject to the constraint of environment, algorithm, cost etc. respectively, and the scope of application is not extensive.
Summary of the invention
The present invention overcomes above-mentioned weak point, provide a kind of non-ranging personnel's method for rapidly positioning, the positioning precision higher than existing range-free localization technology can be realized, it is adaptable in the complicated localizing environment of indoor and outdoor mixing when not needing location algorithm and increasing other resource supports.
Invention additionally provides a kind of non-ranging personnel's quick positioning system, this system can be applicable to various accuracy requirement, carries out model construction according to accuracy requirement, and motility is strong and economizes on resources.
The technical solution adopted for the present invention to solve the technical problems is:: a kind of non-ranging personnel's method for rapidly positioning, comprise the following steps:
1) adopting staggered form layout type to arrange several readers in specific region, it is N rice that specific region is divided into some zonules, the covering radius of reader；Point of intersection in reader cut zone places reference label, and reference label covering radius is M rice, M < N；
2) set up coordinate system with crossing center for initial point, several zonules are numbered, make a location mapping table according to the logical relation of each numbering and the reader coverage condition of its correspondence；
3) label to be positioned sends positioning request information；
4) reader receiving positioning request information sends reading information to server, and server positions mapping table according to the reader combination status inquiry being simultaneously received positioning request information, it is determined that region, location；
5) after determining region, location, further according to reference label, the identification situation of label to be positioned in region is carried out coordinate setting, coordinate setting is sent to server preservation, display.
Described step 5) specifically includes following steps:
5.1) determining that there is a reference label on each summit in region, location, reference label, by the region of positioning area regional partition Cheng Geng little, determines in each region that a central point is estimated location point；
5.2) estimated location point makes an estimated location mapping table with the logical relation of corresponding reference label coverage condition；
5.3) server inquires about estimated location mapping table according to the reference label combined situation being simultaneously received positioning request information, it is determined that estimated location point, the coordinate setting of estimated location point is sent to server preservation, display.
The positioning precision in the region, location that described step 4) reads is 2N/3.
The positioning precision that described step 5) reads is 2N/9.
A kind of non-ranging personnel's quick positioning system, including: label to be positioned, low frequency activation device, reader, reference label, POE power supply unit, intelligent gateway device, server；Described server includes controlling server, database server；Described label to be positioned is used for identity position identification, and effective propagation path is N rice；Low frequency activation device is placed in reader overlay area, is used for activating label to be positioned；Reader is used for reading label to be positioned, and effective covering radius is N rice；Reference label is placed in the intersection point of reader overlay area, has the function forwarding card reader transmission instruction, effective propagation path M rice, M < N；POE power supply unit: be that lan device is powered as POE system；The levels that intelligent gateway device is network provides the services such as route and forwarding；Database server is for storing the data such as the personal information of electronic tag, personnel location information；Controlling server connected applications software provides perfect personnel positioning to follow the tracks of system, it is achieved personal information inquiry, position enquiring, track record, personal information the management such as interpolation deletion operate.
The beneficial effects of the present invention is: 1, the present invention makes positioning precision be remarkably enhanced when not adopting distance measuring method, the requirement to precision of the major part location project can be met, it is the mode of list logical mappings due to what adopt, make the system can quick inquiry judging, decrease the various location algorithm resource consumption to system, improve response speed, be also absent from the environmental factors restriction to ranging localization；2, the present invention mutually split by reader matrix refine location region, based on such characteristic, the demand of precision can be carried out arbitrary cutting according to project by the layout type of whole matrix, in the use procedure of whole system, if needing to adjust location regional extent, then can passing through to increase or delete reader node under the premise not changing integral layout, and the mode revising mapping table realizes on-line tuning, whole system has significantly high elasticity；3, the present invention adopts the mode that semi-active electronic tag and low frequency activation device combine, and efficiently solves the problem that active label energy consumption is high and passive label decipherment distance is short, improves the overall performance of system.
Accompanying drawing explanation
Fig. 1 is the layout that the present invention positions the reader in region；
Fig. 2 is the complete split graph in one reader region of the present invention；
Fig. 3 is the reader segmentation figure in Fig. 1 in five adjacent reader cross bearing regions；
Fig. 4 is the layout of the reference label in Fig. 3 in positioning area Field Number 3；
Fig. 5 is the system architecture diagram of the present invention；
Fig. 6 is the system flow chart of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further, but protection scope of the present invention is not limited to that:
Embodiment 1: as shown in Figure 5, the invention provides the system that a kind of non-ranging personnel quickly position, label to be positioned, low frequency activation device, reader, reference label, POE power supply unit, intelligent gateway device, control server, database servers group become.Reader array layout can be extended according to the size in region, location, the requirement of precision, cost can be carried out cutting according to project by whole system, after label to be positioned is activated by low frequency activation device, send Location Request to be received by reader, the mapping table that system quick search is preset, it is determined that the elements of a fix.
Label to be positioned is used for identity position identification, and effective propagation path is 90 meters；Low frequency activation device is placed in reader overlay area, is used for activating label to be positioned；Reader is used for reading label to be positioned, and effective covering radius is 90 meters；Reference label is placed in the intersection point of reader overlay area, has the function forwarding card reader transmission instruction, effective propagation path 50 meters；POE power supply unit: be that lan device is powered as POE system；The levels that intelligent gateway device is network provides the services such as route and forwarding；Database server is for storing the data such as the personal information of electronic tag, personnel location information；Controlling server connected applications software provides perfect personnel positioning to follow the tracks of system, it is achieved personal information inquiry, position enquiring, track record, personal information the management such as interpolation deletion operate.
Described label to be positioned adopts semi-active electronic tag, at ordinary times in a dormant state, by arranging that within the scope of reader low frequency activation device activates label, when the personnel carrying label to be positioned are activated label by low frequency activation device after entering region, location, it is at duty, is then read label information by reader.The mode adopting semi-active electronic tag and low frequency activation device to combine, efficiently solves the problem that active label energy consumption is high and passive label decipherment distance is short, improves the overall performance of system, it is possible to be adapted to region, different size of location.
Based on said system, a kind of non-ranging personnel's method for rapidly positioning, as shown in Figure 6, comprise the following steps:
1) adopting staggered form layout type to arrange several readers in specific region, it is N rice that specific region is divided into some zonules, the covering radius of reader；Point of intersection in reader cut zone places reference label, and reference label covering radius is M rice, M < N；
2) set up coordinate system with crossing center for initial point, several zonules are numbered, make a location mapping table according to the logical relation of each numbering and the reader coverage condition of its correspondence；
3) label to be positioned sends positioning request information；
4) reader receiving positioning request information sends reading information to server, and server positions mapping table according to the reader combination status inquiry being simultaneously received positioning request information, it is determined that region, location；
5) after determining region, location, further according to reference label, the identification situation of label to be positioned in region is carried out coordinate setting, coordinate setting is sent and preserves to server, show, specifically include following steps:
5.1) determining that there is a reference label on each summit in region, location, reference label, by the region of positioning area regional partition Cheng Geng little, determines in each region that a central point is estimated location point；
5.2) estimated location point makes an estimated location mapping table with the logical relation of corresponding reference label coverage condition；
5.3) server inquires about estimated location mapping table according to the reference label combined situation being simultaneously received positioning request information, it is determined that estimated location point, the coordinate setting of estimated location point is sent to server preservation, display.
Hereinafter said method is specifically described.With the rectangular areas of 180 meters * 360 meters for region, location, set up cartesian coordinate system with rectangular centre point for initial point, and by scheming shown in 1 in the way of 14 readers are arranged in region, whole location uniformly.Same a line, with on string, the distance between adjacent reader is 120 meters, such that it is able to show that beeline between reader is between twoReferring to the complete split graph that Fig. 2 is single reader region, owing to adopting the mode of reader crossed geometry, make each reader scope overlapped, thus the overlay area of each reader is divided into several zonules, one reader is fully segmented into 13 symmetrical regions, thus region, location is narrowed down to less regional extent.
The crossover range of five readers chosen in Fig. 1 in A place is example, coordinate system is set up for initial point with crossing center, as shown in Figure 3, reader coordinate is respectively as follows: A (-120,-20), B (-60,40), C (0,-20), D (60,40), E (120,-20), the region after mutually splitting between reader A-E is numbered, respectively 1-15, owing to each border circular areas is diametrically finally separated into three roughly equal zonules at one, positioning precision now is A1 ≈ 60 meters.
Location mapping table is made, in Table 1 according to the mapping relations between numbering and reader:
| Zone number | Mapping relations |
| 1 | A |
| 2 | A&B |
| 3 | A&B&C |
| 4 | A&C |
| 5 | C |
| 6 | B&C |
| 7 | B |
| 8 | B&D |
| 9 | B&C&D |
| 10 | C&D |
| 11 | C&D&E |
| 12 | C&E |
| 13 | E |
| 14 | D&E |
| 15 | D |
Table 1 positions mapping table
Proceed in numbering 3 region when staff carries row of labels to be positioned, now label to be positioned is activated by low frequency activation device, label to be positioned sends Location Request, its transmission effective range is 60 meters, reader A, reader B, reader C receive Location Request simultaneously, and send reading information to controlling server, control server and transfer from database server and Query Location mapping table, draw A&B&C, the zone number 3 in the mapping table of corresponding location.
Further according to reference label, the identification situation of label to be positioned in region is carried out coordinate setting after determining personnel region, as shown in Figure 5, the laid out reference label n0 in each summit of irregular area, reference label n1, reference label n2 in zone number 3, thus region 3 is divided into less region, then in each irregular area, determine a central point x1-x4 and make estimated location mapping table, if now judging to read without reference label, the position estimating label to be measured is x0, its coordinate is (-60,0), if having reference label to read, then basis
Mapping table respectively estimates an x1-x4, and its estimation coordinate is respectively as follows: x1 (-60,10), x2 (-70 ,-10), x3 (-60 ,-15), x4 (-50 ,-10).Logical relation according to estimated location point with corresponding reference label coverage condition makes an estimated location mapping table, in Table 2:
| Mapping relations | Estimated location point | Estimation coordinate 4--> |
| Nothing | x0 | (-60,0) |
| n0 | x1 | (-60,10) |
| n1 | x2 | (-70,-10) |
| n1&n2 | x3 | (-60,-15) |
| n2 | x4 | (-50,-10) |
Table 2 estimated location mapping table
Now, reference label n1, reference label n2 are simultaneously received the Location Request that label to be positioned sends, it is determined that estimated location point is x3, and estimation coordinate is (-60 ,-15)；Each irregular area is divided into three zonules in one direction, and positioning precision now is A2 ≈ N/9=20 rice, is sent by the coordinate information obtained and shows to application server end, and data are stored in database server.
Demand according to actual location precision, it is possible to by increasing reader and reference label, amendment location mapping table and estimated location mapping table reach to adjust the purpose of positioning strategy.System adopts the mode of list logical mappings, it is possible to quickly inquiry judging, decreases the various location algorithm resource consumption to system, improves response speed, it also avoid the environmental factors restriction to ranging localization simultaneously.Thus reaching quick location, the adjustable purpose of registration.
Be specific embodiments of the invention and the know-why used described in above, if the change that conception under this invention is made, function produced by it still without departing from description and accompanying drawing contain spiritual time, protection scope of the present invention must be belonged to.
Claims (4)
1. personnel's method for rapidly positioning one kind non-ranging, it is characterised in that comprise the following steps:
1) adopting staggered form layout type to arrange several readers in specific region, it is N rice that specific region is divided into some zonules, the covering radius of reader；Point of intersection in reader cut zone places reference label, and reference label covering radius is M rice, M < N；
2) set up coordinate system with crossing center for initial point, several zonules are numbered, make a location mapping table according to the logical relation of each numbering and the reader coverage condition of its correspondence；
3) label to be positioned sends positioning request information；
4) reader receiving positioning request information sends reading information to server, and server positions mapping table according to the reader combination status inquiry being simultaneously received positioning request information, it is determined that region, location；
5) determining that there is a reference label on each summit in region, location, reference label, by the region of positioning area regional partition Cheng Geng little, determines in each region that a central point is estimated location point；
6) estimated location point makes an estimated location mapping table with the logical relation of corresponding reference label coverage condition；
7) server inquires about estimated location mapping table according to the reference label combined situation being simultaneously received positioning request information, it is determined that estimated location point, the coordinate setting of estimated location point is sent to server preservation, display.
2. a kind of non-ranging personnel's method for rapidly positioning according to claim 1, it is characterised in that described step 4) read location region positioning precision be 2N/3.
3. a kind of non-ranging personnel's method for rapidly positioning according to claim 1, it is characterised in that described step 5) positioning precision that reads is 2N/9.
4. realize a kind of non-ranging personnel's quick positioning system of method as claimed in claim 1, it is characterised in that including: label to be positioned, low frequency activation device, reader, reference label, POE power supply unit, intelligent gateway device, server；Described server includes controlling server, database server；Described label to be positioned is used for identity position identification, and effective propagation path is N rice；Low frequency activation device is placed in reader overlay area, is used for activating label to be positioned；Reader is used for reading label to be positioned, and effective covering radius is N rice；Reference label is placed in the intersection point of reader overlay area, has the function forwarding card reader transmission instruction, effective propagation path M rice, M < N；POE power supply unit: be that lan device is powered as POE system；The levels that intelligent gateway device is network provides route and forwards service；Database server is for storing the personal information of electronic tag, personnel location information's data；Controlling server connected applications software provides perfect personnel positioning to follow the tracks of system, it is achieved personal information inquiry, position enquiring, track record, personal information interpolation delete management and operate.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110320513A (en) * | 2019-07-05 | 2019-10-11 | 南京简睿捷软件开发有限公司 | A kind of production factors positioning system and method for large area workshop based on RFID |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105303482A (en) * | 2015-06-26 | 2016-02-03 | 苏州木兰电子科技有限公司 | Semi active RFID-based hotel staff positioning and management system |
| CN110297493B (en) * | 2019-07-11 | 2022-04-12 | 磐典商务服务(上海)有限公司 | Tracking and positioning method and device for electronic tag based on robot |
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| CN101191833A (en) * | 2007-12-12 | 2008-06-04 | 北京航空航天大学 | Radio frequency recognition indoor position finding and detection method based on receiving signal intensity |
| CN101349745A (en) * | 2008-09-06 | 2009-01-21 | 黄以华 | Wireless radio frequency positioning method using region partitioning algorithm |
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