CN105898685A - WIFI device positioning methods applicable to small region - Google Patents
WIFI device positioning methods applicable to small region Download PDFInfo
- Publication number
- CN105898685A CN105898685A CN201610383243.7A CN201610383243A CN105898685A CN 105898685 A CN105898685 A CN 105898685A CN 201610383243 A CN201610383243 A CN 201610383243A CN 105898685 A CN105898685 A CN 105898685A
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- China
- Prior art keywords
- wifi
- wifi equipment
- signal strength
- equipment
- base station
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Classifications
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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
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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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
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- 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
- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Abstract
The invention discloses two WIFI device positioning methods applicable to a small region. According to the two methods, it is assumed that the small region comprises three WIFI base stations which are located at three vertexes of a regular triangle; and a rectangular coordinate system is established by taking a straight line on which the base of the regular triangle is located as an X axis, the straight line passing through one vertex and the middle point of the base as an Y axis and the intersection point of the two straight lines as an origin. A first method is that WIFI devices in the region initiate positioning actively, so that a user holding a WIFI device can obtain the map of the region from the WIFI base stations, and therefore, the user can know the information of the surrounding region and can find out a required place easily. A second method is that the WIFI base stations initiate positioning actively, and the base stations position the WIFI device in the region actively. The methods are more suitable for performing active positioning by the WIFI devices and actively positioning the devices by the base stations in the small region, the layout complexity of the user base stations is reduced, the positioning speed is fast, the positioning is simple, and the accuracy is high.
Description
Technical field
The present invention relates to a kind of WIFI equipment localization method being applicable to small area, belong to field of locating technology.
Background technology
Current location technology mainly has two kinds: one is that GPS positions mode, and which is under the support of GPS hardware, and direct and satellite obtains current longitude and latitude alternately, it usually needs equipment (such as mobile phone) supports GPS module.Being positioned by GPS mode, accuracy is the highest, but its shortcoming is the most obvious: 1, most users acquiescence is not turned on GPS module；2, start to obtain location data for the first time from GPS module, it may be necessary to the long time；3, easily being blocked by barrier, indoor almost cannot use.Another kind is architecture mode, architecture applies in general to cellphone subscriber, cellular base station positioning service is called again mobile location-based service (LBS--Location Based Service), it is the positional information (latitude and longitude coordinates) that the network (such as GSM net) by telecommunications mobile operator obtains mobile phone users, this mode can also be used on the mobile phone do not have GPS module, needing consumed flow, speed is than very fast, but accuracy is the lowest.
Above two mode can realize the function of subscriber equipment location, but all there is certain drawback, and above-mentioned architecture mode also needs to the support of mobile operator, the autonomous device location that two ways is unsuitable in small area.
Summary of the invention
The present invention is in order to overcome the deficiency of above technology, it is provided that a kind of WIFI equipment localization method being applicable to small area, and the method locating speed is fast, and accuracy is high.
The present invention overcomes its technical problem to have employed two kinds of technical schemes:
The first technical scheme is as follows:
A kind of WIFI equipment localization method being applicable to small area, if including three WIFI base stations laid respectively on three summits of equilateral triangle in this small area, using place, equilateral triangle base straight line as X-axis, to cross the straight line on summit and midpoint, base as Y-axis, using the intersection point of two straight lines as initial point, set up a rectangular coordinate system；The method being obtained WIFI device location by WIFI equipment positive location is comprised the following steps:
(1) utilize WIFI equipment search WAP around, get the signal strength data of three WIFI base stations；
(2), after being connected with arbitrary WIFI base station by this WIFI equipment, three signal strength datas obtained report background server；
(3) after background server receives three signal strength datas, according to the signal intensity profile situation in each WIFI base station coverage area, draw out the circular coverage area corresponding with above three signal strength data, the intersection point of three circular coverage area is this WIFI equipment position, can draw the position coordinates of WIFI equipment according to the rectangular coordinate system set up；
(4) background server calculates coordinate position, sends back this WIFI equipment, and the user holding this WIFI equipment can know its present position from map.
The first scheme is actively to be initiated location by the WIFI equipment in region.By which, the user holding WIFI equipment can obtain the map in this region, thus understand the information of surrounding area, can easily find the place of needs from WIFI base station.
The second technical scheme is as follows:
A kind of WIFI equipment localization method being applicable to small area, if including three WIFI base stations laid respectively on three summits of equilateral triangle in this small area, using place, equilateral triangle base straight line as X-axis, to cross the straight line on summit and midpoint, base as Y-axis, using the intersection point of two straight lines as initial point, set up a rectangular coordinate system；The method being obtained WIFI device location by WIFI base station positive location is comprised the following steps:
(1) three WIFI base station is opened promiscuous mode and is monitored the packet in space, packet includes the MAC Address of WIFI equipment, WIFI base station obtains the signal strength data of its WIFI equipment by packet, for same WIFI equipment, three WIFI base stations draw three signal strength datas；
(2) using one of them WIFI base station as main website, the signal strength data of each WIFI equipment that each packet that two other WIFI base station is scanned into contains is sent to main website using MAC Address as mark；
(3) main website identifies each WIFI equipment with MAC Address, by each signal strength data according to different WIFI device packets, corresponding three signal strength datas of each WIFI equipment, three signal strength datas are relevant to the distance of corresponding WIFI equipment and three WIFI base stations；Main website is according to the signal intensity profile situation in each WIFI base station coverage area, draw out the circular coverage area corresponding with above three signal strength data, the intersection point of three circular coverage area is this WIFI equipment position, can draw the position coordinates of WIFI equipment according to the rectangular coordinate system set up.
According to currently preferred, after described step (3), the position of WIFI equipment each in this region is shared to other WIFI equipment in this region by main website.
First scheme is actively to be initiated location by WIFI base station, base station positive location is to after the WIFI equipment in this region, data and other WIFI collaborative share in this region can such as be shared to retail shop, such retail shop can be sent to client close together the promotion message of self.
The invention has the beneficial effects as follows:
The present invention is different from the complicated location mode of wide scope, the WIFI equipment positive location being more suitable in small area and base station positive location equipment, decreases the layout complexity of user base station, and locating speed is fast, and location is simple and accuracy is high.
Accompanying drawing explanation
Fig. 1 is the location model figure of two kinds of localization methods of the present invention.
Fig. 2 is embodiment 1 application example illustraton of model.
Detailed description of the invention
Being better understood from the present invention for the ease of those skilled in the art, be described in further details the present invention with specific embodiment below in conjunction with the accompanying drawings, following is only exemplary not limit protection scope of the present invention.
The WIFI equipment localization method being applicable to small area disclosed by the invention, as shown in Figure 1, three WIFI base stations 1,2,3 laid respectively on three summits of equilateral triangle are included in this small area, using place, the equilateral triangle base straight line at place, WIFI base station 2,3 as X-axis, to cross the straight line of WIFI base station 1 and midpoint, base as Y-axis, using the intersection point of two straight lines as initial point O, set up a rectangular coordinate system.The distribution of WIFI base station can determine size according to different regions.
Embodiment
1
、
In region, to obtain the method for its position as follows for WIFI equipment positive location:
(1) user utilizes its WIFI equipment held search WAP around, gets the signal strength data of three WIFI base stations 1,2,3.
(2), after this WIFI equipment is connected by user with arbitrary base station, three signal strength datas that WIFI equipment obtains are reported background server.
(3) after background server receives three signal strength datas, according to the signal intensity profile situation in each WIFI base station coverage area, draw out the circular coverage area corresponding with above three signal strength data, the intersection point of three circular coverage area is this user position, can draw the position coordinates of user according to the rectangular coordinate system set up.
(4) background server calculates coordinate position, sends back this WIFI equipment, and user knows its present position and surrounding area information from the map that WIFI equipment receives.If as in figure 2 it is shown, use this localization method in market, would know that the position of retail shop around, it is simple to user finds required place.
Embodiment
2
、
In positive location acquisition region, WIFI base station, the method for each WIFI device location is as follows:
(1) three WIFI base station 1,2,3 is opened promiscuous mode and is monitored the packet in space, and packet is 802.11 reference formats, wherein contains the MAC Address of its WIFI equipment, by the uniqueness of MAC Address, makes equipment bind with MAC Address.Therefore, available MAC Address is as the identification code of equipment.Meanwhile, three WIFI base stations 1,2,3 obtain the signal strength data of its WIFI equipment by the packet each captured, and for same WIFI equipment, three WIFI base stations can draw three signal strength datas.
(2) the unlike signal intensity data that the packet that each WIFI equipment scanned sends contains is sent to WIFI base station 1 using MAC Address as mark as main website, WIFI base station 2,3 by WIFI base station 1.
(3) WIFI base station 1 identifies each WIFI equipment with MAC Address, by each signal strength data according to different WIFI device packets, described packet refers to that the WIFI device data of the identical MAC obtained 3 WIFI base stations is divided into a group, corresponding three signal strength datas of each WIFI equipment, three signal strength datas are relevant to the distance of corresponding WIFI equipment and three WIFI base stations.WIFI base station 1 is according to the signal intensity profile situation in each WIFI base station coverage area, draw out the circular coverage area corresponding with above three signal strength data, the intersection point of three circular coverage area is this WIFI equipment position, can draw the position coordinates of WIFI equipment according to the rectangular coordinate system set up.In like manner, the position coordinates of other WIFI equipment in this region can be drawn, thus obtain a location map.
(4) if it is required, the position of WIFI equipment each in this region can be shared in this region other users with WIFI equipment by WIFI base station 1, such as the businessman in market, such businessman just can be sent to client close together the promotion message of self.
Above only describes ultimate principle and the preferred implementation of the present invention, those skilled in the art can many changes may be made and improves according to foregoing description, and these changes and improvements should belong to protection scope of the present invention.
Claims (3)
1. the WIFI equipment localization method being applicable to small area, it is characterized in that, if including three WIFI base stations laid respectively on three summits of equilateral triangle in this small area, using place, equilateral triangle base straight line as X-axis, to cross the straight line on summit and midpoint, base as Y-axis, using the intersection point of two straight lines as initial point, set up a rectangular coordinate system；The method being obtained WIFI device location by WIFI equipment positive location is comprised the following steps:
(1) utilize WIFI equipment search WAP around, get the signal strength data of three WIFI base stations；
(2), after being connected with arbitrary WIFI base station by this WIFI equipment, three signal strength datas obtained report background server；
(3) after background server receives three signal strength datas, according to the signal intensity profile situation in each WIFI base station coverage area, drawing out the circular coverage area corresponding with above three signal strength data, the intersection point of three circular coverage area is this WIFI equipment position；
(4) background server calculates coordinate position, sends back this WIFI equipment, and the user holding this WIFI equipment can know its present position from map.
2. the WIFI equipment localization method being applicable to small area, it is characterized in that, if including three WIFI base stations laid respectively on three summits of equilateral triangle in this small area, using place, equilateral triangle base straight line as X-axis, to cross the straight line on summit and midpoint, base as Y-axis, using the intersection point of two straight lines as initial point, set up a rectangular coordinate system；The method being obtained WIFI device location by WIFI base station positive location is comprised the following steps:
(1) three WIFI base station is opened promiscuous mode and is monitored the packet in space, packet includes the MAC Address of WIFI equipment, WIFI base station obtains the signal strength data of its WIFI equipment by packet, for same WIFI equipment, three WIFI base stations draw three signal strength datas；
(2) using one of them WIFI base station as main website, the signal strength data of each WIFI equipment that each packet that two other WIFI base station is scanned into contains is sent to main website using MAC Address as mark；
(3) main website identifies each WIFI equipment with MAC Address, by each signal strength data according to different WIFI device packets, corresponding three signal strength datas of each WIFI equipment, three signal strength datas are relevant to the distance of corresponding WIFI equipment and three WIFI base stations；Main website, according to the signal intensity profile situation in each WIFI base station coverage area, draws out the circular coverage area corresponding with above three signal strength data, and the intersection point of three circular coverage area is this WIFI equipment position.
Method the most according to claim 2, it is characterised in that after described step (3), the position of WIFI equipment each in this region is shared to other WIFI equipment in this region by main website.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383243.7A CN105898685A (en) | 2016-06-02 | 2016-06-02 | WIFI device positioning methods applicable to small region |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610383243.7A CN105898685A (en) | 2016-06-02 | 2016-06-02 | WIFI device positioning methods applicable to small region |
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| CN201610383243.7A Pending CN105898685A (en) | 2016-06-02 | 2016-06-02 | WIFI device positioning methods applicable to small region |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106214407A (en) * | 2016-08-31 | 2016-12-14 | 苏州德品医疗科技股份有限公司 | A kind of lesion navigation dispensing car |
| CN106444745A (en) * | 2016-08-31 | 2017-02-22 | 苏州德品医疗科技股份有限公司 | Navigation-based automatic walking intelligent dispensing vehicle |
| CN107529143A (en) * | 2017-09-25 | 2017-12-29 | 深圳市壹捌壹玖科技有限公司 | Method of locating terminal, system, device and computer-readable storage medium |
| CN112543422A (en) * | 2020-11-19 | 2021-03-23 | 武汉国之安科技发展有限公司 | Short-wave passive positioning method |
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| CN104036411A (en) * | 2013-11-22 | 2014-09-10 | 绿泰信息科技(上海)有限公司 | WIFI device positioning tracking system and method |
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Patent Citations (5)
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| US20080123608A1 (en) * | 2006-11-04 | 2008-05-29 | Qualcomm Incorporated | Positioning for WLANs and other wireless networks |
| CN101114019A (en) * | 2007-04-20 | 2008-01-30 | 清华大学 | Radio frequency electronic label position location system based on trigonometric interpolation |
| CN101634700A (en) * | 2009-08-25 | 2010-01-27 | 杭州华三通信技术有限公司 | Method and device for positioning wireless network terminal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106214407A (en) * | 2016-08-31 | 2016-12-14 | 苏州德品医疗科技股份有限公司 | A kind of lesion navigation dispensing car |
| CN106444745A (en) * | 2016-08-31 | 2017-02-22 | 苏州德品医疗科技股份有限公司 | Navigation-based automatic walking intelligent dispensing vehicle |
| CN107529143A (en) * | 2017-09-25 | 2017-12-29 | 深圳市壹捌壹玖科技有限公司 | Method of locating terminal, system, device and computer-readable storage medium |
| CN112543422A (en) * | 2020-11-19 | 2021-03-23 | 武汉国之安科技发展有限公司 | Short-wave passive positioning method |
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Application publication date: 20160824 |