CN1602021A - Indoor precision positioner and positioning algorithm of radio local network terminal appliance - Google Patents
Indoor precision positioner and positioning algorithm of radio local network terminal appliance Download PDFInfo
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- CN1602021A CN1602021A CN 200410067531 CN200410067531A CN1602021A CN 1602021 A CN1602021 A CN 1602021A CN 200410067531 CN200410067531 CN 200410067531 CN 200410067531 A CN200410067531 A CN 200410067531A CN 1602021 A CN1602021 A CN 1602021A
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Abstract
The invention is particularly applicable to locating in doors local area and vertical space range. The system is composed of locating environment, locating induction points, and locating devices including location inductor, location retuning back system and design for location inductors. Locating method includes: wireless local area network (WLAN) method for constructing location environment in doors, WLAN method for selecting location parameters, and WLAN location method of locating terminal in doors. The invention makes us possible to implement locating position indoor and push individualized information.
Description
Technical field
The present invention relates to the positioner and the localization method in a kind of radio signal propagation field, refer to a kind of WLAN terminal device indoor positioning device and localization method of positioning in indoor local scope and spatial vertical scope of being used for especially.
Background technology
Location technology one is to being made earnest efforts one of technology of studying, the technology that is used for location-based service has at present developed several generations, maximum is the GPS system that is called as GPS (Global PositionSystem), the gps satellite of 24 roamings aloft of this dependence is given the system of global user-provided location service, provide crucial information to the people who needs the position location in a large number, solved that open-air position is determined and problem such as track following.And in the last few years, wide area cellular network location technology based on RF has had significant progress, it utilizes broad covered area in the city, accept the high characteristics of precision, adopted the measuring-signal decay, measure the angle of arrival (AOA), the method of step-out time analysis (TDOA), progressively improved positioning accuracy, incity, city position application has been pushed to practicability, particularly the universalness of its terminal equipment-mobile phone and to the requirement of terminal equipment not as the so high characteristic of GPS, make domestic consumer under the situation that low cost is pointed out, can enjoy positioning service, promote rapidly and become possibility, the technology that adopts Gao Tong company to be developed in the KDDI of Japan company for example, the technology of 100 different position-based services was provided already, and the head of a family can utilize mobile phone to follow the trail of the position of its child in the park, and the cellphone subscriber can find the commodity of Tokyo Ginza cents-off promotion etc.In Korea S, also have about 2,000,000 citizen utilize the wireless location service of cellular network seek near friend or easily coffee shop get together.
Though location technology has obtained significant progress, on market, obtained success, obtained income, but the precision that present location technology can reach also is not very high, its use occasion is confined to outdoor indoor with part, technical limitation has also just limited application and development, makes can't to implement in the indoor application of carrying out information and positional information interaction.
Summary of the invention
In order to overcome above-mentioned weak point, main purpose of the present invention aims to provide a kind of new, the method that positions in indoor local scope and spatial vertical scope, this method is based on the location technology on the WLAN (wireless local area network) Wireless Local Area Network, be based on wireless local area network technology and signal communications, realize method set, i.e. a WLAN terminal device indoor positioning device and a localization method of location invention under the indoor environment.
The technical problem to be solved in the present invention is: solve the relevant software and hardware problem in wireless local area network technology and the signal communications, realize a method set of location invention under the indoor environment, enforcement by the method set, the location of WLAN (wireless local area network) is able under the cooperation of algorithm, utilizes location hardware equipment such as inductor to be able to technical problems such as final realization.
The technical solution adopted for the present invention to solve the technical problems is: this system is made up of systems such as localizing environment, location induction point and positioning equipments, comprise: technology such as positioning inductor, location return system, positioning inductor layout, signal passback wireless local area network (WLAN) system layout and location induction point design, wherein:
Positioning inductor arranges that module, signal passback wireless local area network (WLAN) system layout are connected with Design Orientation environment arrangement module respectively with location induction point design module, and Design Orientation environment arrangement module is gathered acquisition module, location algorithm design module and terminal positioning module with positional parameter successively and is connected.
The terminal positioning of described WLAN terminal device indoor positioning device comprises: regularly obtains the current location information module, provides positional information module, position mobile module and obtain reposition associated multimedia information module to centrally-located server sending module, server Algorithm Analysis, wherein:
Regularly obtaining the current location information module is connected with providing positional information module, position mobile module to centrally-located server sending module, server Algorithm Analysis and obtain reposition associated multimedia information module successively.
One location inductor of described WLAN terminal device indoor positioning device and the placement distance between another positioning inductor are the integral multiple place of WLAN (wireless local area network) wavelength.
The distribution of the location induction point of described WLAN terminal device indoor positioning device is respectively equipped with the anchor point compact district and the anchor point rarefaction in space, accurate location.
Be provided with anchor point in the localizing environment of described WLAN terminal device indoor positioning device, the signal that each anchor point is provided with 3 AP at least covers, and the wireless network that is provided with the covering locating area connects signal, locating terminal is connected with background system by wireless network, or lays wireless local area network AP connection background system.
Localization method based on WLAN (wireless local area network), be to be based upon on the WLAN (wireless local area network) basis, spacing wave by the obtainable RSSI value of WLAN terminal distributes, the set of the serial of methods that the position of terminal is accurately judged, concrete method content can be improved and enriched by its three submethods, and its step can be divided into:
Localization method according to WLAN (wireless local area network) positions environment construction;
Position environmental parameter set structure according to the parameter that exists in the localizing environment;
Set up location algorithm according to the localizing environment parameter;
The Design Orientation application system, binding is pushed on the wireless multimedia terminal through agreement with the media information that needs to push with positional information, finally realizes the structure of navigation system.
The related content of this localization method is divided into four parts, is respectively:
Wireless local area network locating method: utilize the signal space TRANSFER MODEL of WLAN (wireless local area network) to carry out the space orientation of terminal, its location category is identical with in the past positioning action, but the method that is adopted on positioning accuracy and the location has essential difference.
WLAN (wireless local area network) indoor positioning environment construction method: by making up radio local network environment, wireless localization apparatus is set, planning signal distributions experience storehouse is provided with the localizing environment that environment attribute is constructed WLAN (wireless local area network);
WLAN (wireless local area network) indoor positioning parameter selection method: structure positions the set of required WLAN (wireless local area network) relevant parameter, implements the WLAN terminal location by the effective positional parameter collection that parameter constituted of these and environmental correclation;
WLAN (wireless local area network) indoor positioning method of locating terminal: come the terminal that the space changes is carried out the locational method that redefines by the locating terminal that possesses the WLAN (wireless local area network) ability.
A kind of WLAN terminal device indoor orientation method, this wireless local area network locating method is the location of carrying out signal with the spacing wave radiation profiles of WLAN (wireless local area network), and the space orientation of carrying out terminal with the signal space TRANSFER MODEL of WLAN (wireless local area network), comprise: WLAN (wireless local area network) indoor positioning environment construction method, WLAN (wireless local area network) indoor positioning parameter selection method and WLAN (wireless local area network) indoor positioning method of locating terminal etc., its concrete job step is:
Step 1. begins to arrange
Begin to arrange the environment construction of positioning inductor layout module, signal passback wireless local area network (WLAN) system layout module and location induction point design module;
Step 6. enters to centrally-located server sending module;
Move step 8. judgement position?
If move the position, then enter and obtain reposition associated multimedia information module;
If does not move the position, then feed back to and regularly obtain the current location information module;
The WLAN (wireless local area network) indoor positioning environment construction method of described WLAN terminal device indoor orientation method comprises with regard to locating area weight different " inductor phase place placement methods " reaching " density anchor point structured approach ", and its concrete job step is:
Step 1. inductor distributes, signal covers
The inductor that the WLAN (wireless local area network) location is used is distributed in the area of space that need position, and guarantees that each anchor point has enough signals to cover; The zone high to positioning requirements, each anchor point guarantee that the signal of at least 3 AP covers, and the zone not high to positioning requirements guarantees that then the signal covering of 1 AP gets final product;
To the locating area of the high part of positioning requirements, two positioning inductors are placed on distance are the integral multiple place of WLAN (wireless local area network) wavelength; Because the signal wavelength of WLAN (wireless local area network) 2.4G frequency range is about 12cm, therefore both distances are Distance=12cm*x (x is an integer), like this, and by to the stack of signal in the space, destroy the even distribution of signal, thereby reach the accuracy of location algorithm in the space.
In the space environment of location anchor point is set, these anchor points will be able to the positioning algorithm based basis for estimation for final locating terminal;
A), the even distribution of space, location induction point;
B), the special distribution method of space, location induction point;
If being distributed in, thin anchor point do not need pinpoint space;
If being distributed in, close anchor point needs pinpoint space;
Need the wireless network that covers locating area in the localizing environment structure and connect signal, make locating terminal to be connected with background system by wireless network.
The WLAN (wireless local area network) indoor positioning parameter selection method of described WLAN terminal device indoor orientation method is the positional parameter system of selection of " three dimensional stress ", and its concrete job step is:
Step 1. first dimension: quiet dimension parameter
A), measure
Signal value to each positioning inductor of being positioned at anchor point is measured;
B), RSSI value
The value of measuring is RSSI (the Radio Signal Strength Indicator) value of the positioning inductor that detects of WLAN (wireless local area network) network interface card end;
C), test form
Test form adopts the four-way method of testing;
D), form three-dimensional array
After the collection of four-way method of testing is finished, form a three-dimensional array, first dimension of array is the numbering of positioning inductor, and second dimension of array is that the direction of all directions, the third dimension of array are the signal numerical value that collects;
E), gather
On all directions four direction on each anchor point, gather;
F), times of collection
Times of collection on each direction is not less than 30 times;
G), signal inductor numerical value
The signal inductor numerical value that can relate to regard to each on each direction is gathered;
A), the current temperature of signals collecting;
B), the current humidity of signals collecting;
C), the people's quantity around the signals collecting,
Be divided into: do not have, sparse, more sparse, medium, closeer, close grade;
In positioning time of two points during less than certain threshold values, the forward location numerical value of location and current location numerical value are the important parameters with certain relevance.
The WLAN (wireless local area network) indoor positioning method of locating terminal of described WLAN terminal device indoor orientation method is " a positional information method for pushing ", and its concrete job step is:
The numerical value of step 1. amount detection signal
The numerical value of the induction point semaphore around the end-probing that moves with the user;
The loopback of step 2. signal
The numerical value that provides according to induction point is transmitted back to signal on the location-server of rear end;
Location-server is Value Data storehouse and location algorithm rule of thumb, and the current induction point numerical value in conjunction with the user sends here calculates user's current location, and returns to the user;
The user sends to the positioning media server with current position information, and the positioning media server provides relevant position media information, and is pushed to the user;
A), sensitive range
The locating area that possesses information is " sensitive range ", when terminal equipment enters " sensitive range ", and system senses user's existence;
B), acquired information
Obtain the information content of this scope and offer the user from background system;
C), extract propelling movement
Background server initiatively extracts the content of exhibition on the relevant position, is pushed to terminal in user's the palm then.
The invention has the beneficial effects as follows: the method that positions in indoor local scope and spatial vertical scope, this method is based on the location technology on the WLAN (wireless local area network) Wireless Local AreaNetwork, by this technology, make that we can be in the indoor enforcement location of daily life, and accurate localization more, locate widely also that let us can possess a lot of in the past unthinkable abilities, and then realize everywhere personalized information push at any time.
Description of drawings
The present invention is further described below in conjunction with description of drawings and embodiment.
Accompanying drawing 1 is a localization method flow diagram of the present invention;
Accompanying drawing 2 is an inductor phase place placement methods schematic diagram of the present invention;
Accompanying drawing 3 is a density anchor point structured approach schematic diagram of the present invention;
The drawing reference numeral explanation:
The 1-positioning inductor is arranged;
2-signal passback wireless local area network (WLAN) system is arranged;
The induction point design of 3-location;
4-Design Orientation environment arrangement;
The collection of 5-positional parameter is obtained;
The design of 6-location algorithm;
The 7-terminal positioning;
8-regularly obtains current location information;
9-sends to the centrally-located server;
The Algorithm Analysis of 10-server provides positional information;
Does 11-move the position?
12-obtains reposition associated multimedia information;
The 21-positioning inductor;
22-anchor point compact district;
23-anchor point rarefaction;
Embodiment:
See also shown in the accompanying drawing 1,2, the present invention is made up of systems such as localizing environment, location induction point and positioning equipments, this system comprises: positioning inductor (21), location return system, positioning inductor are arranged (1), signal passback wireless local area network (WLAN) system layout (2) and location induction point design technology such as (3), wherein:
Positioning inductor arranges that (1) module, signal passback wireless local area network (WLAN) system layout (2) and location induction point design (3) module are connected with Design Orientation environment arrangement (4) module respectively, and Design Orientation environment arrangement (4) module is obtained (5) module, location algorithm design (6) module and terminal positioning (7) module with the positional parameter collection successively and is connected.
The terminal positioning (7) of described WLAN terminal device indoor positioning device comprises: regularly obtains current location information (8) module, sends (9) module, server Algorithm Analysis to the centrally-located server and provide positional information (10) module, position and move (11) module and obtain module such as reposition associated multimedia information (12) module, wherein:
Regularly obtain current location information (8) module successively with send to the centrally-located server that (9) module, server Algorithm Analysis provide positional information (10) module, the position is moved (11) module and obtained reposition associated multimedia information (12) module and is connected.
See also shown in the accompanying drawing 2, a location inductor (21) of described WLAN terminal device indoor positioning device and the placement distance between another positioning inductor (21) are the integral multiple place of WLAN (wireless local area network) wavelength.
See also shown in the accompanying drawing 3, the distribution of the location induction point of described WLAN terminal device indoor positioning device is respectively equipped with anchor point compact district (22) and anchor point rarefaction (23) in space, accurate location.
Be provided with anchor point in the localizing environment of described WLAN terminal device indoor positioning device, the signal that each anchor point is provided with 3 AP at least covers, and the wireless network that is provided with the covering locating area connects signal, locating terminal is connected with background system by wireless network, or lays wireless local area network AP connection background system.
Localization method based on WLAN (wireless local area network), be to be based upon on the WLAN (wireless local area network) basis, spacing wave by the obtainable RSSI value of WLAN terminal distributes, the set of the serial of methods that the position of terminal is accurately judged, concrete method content can be improved and enriched by its three submethods, and its step can be divided into:
Localization method according to WLAN (wireless local area network) positions environment construction;
Position environmental parameter set structure according to the parameter that exists in the localizing environment;
Set up location algorithm according to the localizing environment parameter;
The Design Orientation application system, binding is pushed on the wireless multimedia terminal through agreement with the media information that needs to push with positional information, finally realizes the structure of navigation system.
The related content of this localization method is divided into four parts, is respectively:
Wireless local area network locating method: utilize the signal space TRANSFER MODEL of WLAN (wireless local area network) to carry out the space orientation of terminal, its location category is identical with in the past positioning action, but the method that is adopted on positioning accuracy and the location has essential difference.
WLAN (wireless local area network) indoor positioning environment construction method: by making up radio local network environment, wireless localization apparatus is set, planning signal distributions experience storehouse is provided with the localizing environment that environment attribute is constructed WLAN (wireless local area network);
WLAN (wireless local area network) indoor positioning parameter selection method: structure positions the set of required WLAN (wireless local area network) relevant parameter, implements the WLAN terminal location by the effective positional parameter collection that parameter constituted of these and environmental correclation;
WLAN (wireless local area network) indoor positioning method of locating terminal: come the terminal that the space changes is carried out the locational method that redefines by the locating terminal that possesses the WLAN (wireless local area network) ability.
A kind of WLAN terminal device indoor orientation method, this wireless local area network locating method is the location of carrying out signal with the spacing wave radiation profiles of WLAN (wireless local area network), and the space orientation of carrying out terminal with the signal space TRANSFER MODEL of WLAN (wireless local area network), comprise: WLAN (wireless local area network) indoor positioning environment construction method, WLAN (wireless local area network) indoor positioning parameter selection method and WLAN (wireless local area network) indoor positioning method of locating terminal etc., its concrete job step is:
Step 1. begins to arrange
Begin to arrange that positioning inductor layout (1) module, signal passback wireless local area network (WLAN) system layout (2) module and location induction point design the environment construction of (3) module;
Step 6. enters to the centrally-located server and sends (9) module;
Are (11) moved in step 8. judgement position?
If move the position, then enter and obtain reposition associated multimedia information (12) module;
If does not move the position, then feed back to and regularly obtain current location information (8) module;
The WLAN (wireless local area network) indoor positioning environment construction method of described WLAN terminal device indoor orientation method comprises with regard to locating area weight different " inductor phase place placement methods " reaching " density anchor point structured approach ", and its concrete job step is:
Step 1. inductor distributes, signal covers
The inductor that the WLAN (wireless local area network) location is used is distributed in the area of space that need position, and guarantees that each anchor point has enough signals to cover; The zone high to positioning requirements, each anchor point guarantee that the signal of at least 3 AP covers, and the zone not high to positioning requirements guarantees that then the signal covering of 1 AP gets final product;
To the locating area of the high part of positioning requirements, two positioning inductors are placed on distance are the integral multiple place of WLAN (wireless local area network) wavelength; Because the signal wavelength of WLAN (wireless local area network) 2.4G frequency range is about 12cm, therefore both distances are Distance=12cm*x (x is an integer), like this, by to the stack of signal in the space, destroy the even distribution of signal in the space, thereby reach the accuracy of location algorithm, " the inductor phase place placement methods " in Here it is the localizing environment structure
In the space environment of location anchor point is set, these anchor points will be able to the positioning algorithm based basis for estimation for final locating terminal;
A), the even distribution of space, location induction point;
B), the special distribution method of space, location induction point;
If being distributed in, thin anchor point do not need pinpoint space;
If being distributed in, close anchor point needs pinpoint space;
Space, location general the employing evenly of induction point distributes, but difference according to ambient conditions, the distribution of location induction point can be planned to strengthen stationkeeping ability, the special distribution method of location induction point becomes " density anchor point structured approach ", thin anchor point is distributed in does not need pinpoint space, this distributes also becomes this zone the reduction of the possibility of mistake locating area, and close anchor point is distributed in the pinpoint space of needs, on the one hand, closeer point has brought the raising of accuracy, on the other hand, and the existence of these points, the possibility that makes the space be positioned to increases, and divides frequent positioning area and non-frequent positioning area with this;
Need the wireless network that covers locating area in the localizing environment structure and connect signal, make locating terminal to link to each other with background system by wireless network, these signals, can realize by the positioning inductor that possesses the BackHaul concatenation ability, or lay special wireless local area network AP connection background system.
WLAN (wireless local area network) be positioned at the laboratory research that also is no lack of research institution in the world, but effect is little, though positioning accuracy has obtained certain lifting, the stability of location is not improved all the time, between main problem still be problem in the positional parameter system of selection.In this patent, the positional parameter system of selection of " three dimensional stress " has been proposed,
The WLAN (wireless local area network) indoor positioning parameter selection method of described WLAN terminal device indoor orientation method is the positional parameter system of selection of " three dimensional stress ", and its concrete job step is:
Step 1. first dimension: quiet dimension parameter, just Jing Tai positional parameter
A), measure
Signal value to each positioning inductor of being positioned at anchor point is measured;
B), RSSI value
The value of measuring is the RSSI value of the positioning inductor that detects of WLAN (wireless local area network) network interface card end;
C), test form
Test form adopts the four-way method of testing;
D), form three-dimensional array
After the collection of four-way method of testing is finished, form a three-dimensional array, first dimension of array is the numbering of positioning inductor, and second dimension of array is that the direction of all directions, the third dimension of array are the signal numerical value that collects;
E), gather
On all directions four direction on each anchor point, gather;
F), times of collection
Times of collection on each direction is not less than 30 times;
G), signal inductor numerical value
The signal inductor numerical value that can relate to regard to each on each direction is gathered;
Under the localizing environment building method in the structural environment, each anchor point is no matter its density degree how, all needs the signal value of each positioning inductor of being positioned at this point is measured.The value of need measuring is the RSSI (Radio Signal Strength Indicator) of the WLAN (wireless local area network) network interface card end positioning inductor that can detect, this RSSI value is a most important parameter values in the location, the form of test adopts the four-way method of testing, after the collection of four-way acquisition method is finished, to form a three-dimensional array, first dimension of array is the numbering of positioning inductor, the direction of the second dimension all directions of array, and the third dimension of array is the signal numerical value that collects.
On all directions four direction on each point, gather;
Times of collection on each direction is not less than 30 times;
The signal inductor numerical value that can relate to regard to each on each direction is gathered;
The collection of this group parameter has determined the influence that signal framing is subjected in dynamic environment, because signals collecting and Signal Terminal location can not take place under the situation that environmental aspect does not change fully, the collection of therefore moving dimension parameter has very important effect to improving the signal framing precision.Present moving dimension parameter has comprised following parameter value, and these parameter values will obtain using in location algorithm.
A), the current temperature of signals collecting;
B), the current humidity of signals collecting;
C), the people's quantity around the signals collecting,
Be divided into: do not have, sparse, more sparse, medium, closeer, close several grades;
Locating terminal can't move in localizing environment with isolating, the numerical value of its location can move a position backward along with previous position, positioning time of two points less than certain threshold values, for example under 3 seconds the prerequisite, the forward location numerical value and the current location numerical value of location have certain relevance, and this numerical value also will become the important parameter in position fixing process.
Effective selection by positional parameter; location algorithm has had a basic data foundation, and on this basis, the location is provided realization; in the positional parameter system of selection, the positional parameter system of selection of " three dimensional stress " is that parameter is selected the survey method in the WLAN (wireless local area network) indoor positioning that needs protection.
Utilize individual numerical value terminal to bring the final form of expression that the user is a navigation system with the position application that moves, the terminal positioning ability must be with terminal on the application program performance that combines.In terminal positioning, localization method what protect is " positional information method for pushing ";
The WLAN (wireless local area network) indoor positioning method of locating terminal of described WLAN terminal device indoor orientation method is " a positional information method for pushing ", and its concrete job step is:
The numerical value of step 1. amount detection signal
The numerical value of the induction point semaphore around the end-probing that moves with the user;
The loopback of step 2. signal
The numerical value that provides according to induction point is transmitted back to signal on the location-server of rear end;
Location-server is Value Data storehouse and location algorithm rule of thumb, and the current induction point numerical value in conjunction with the user sends here calculates user's current location, and returns to the user;
The user sends to the positioning media server with current position information, and the positioning media server provides relevant position media information, and is pushed to the user;
A), sensitive range
The locating area that possesses information is " sensitive range ", when terminal equipment enters " sensitive range ", and system senses user's existence;
B), acquired information
Obtain the information content of this scope and offer the user from background system;
C), extract propelling movement
Background server initiatively extracts the content of exhibition on the relevant position, is pushed to terminal in user's the palm then.
The information-pushing method of location-based service
Location technology based on WiFi, in fact the locating area that possesses information can think " sensitive range ", when terminal equipment enters these " sensitive ranges ", system promptly can the perception user existence, thereby obtain the information content of this scope and offer the user from background system, this information system that the place is had a perception is a kind of concrete manifestation of intelligent information service, can help user terminal to obtain information from background server by the broadband wireless network characteristic of WiFi own by 11Mbps or following wideer bandwidth, perhaps be interpreted as it is that background server initiatively extracts the content of exhibition on the relevant position, be pushed to terminal in user's the palm then at once.Thereby the radio multimedium intelligent terminal can be realized the function that relevant with position information pushes whenever and wherever possible.
Information by method of locating terminal and terminal location service pushes; position application is able to can only embody on the terminal again; the application of position-based service simultaneously also is achieved and promotes; on method of locating terminal, the intelligent terminal information-pushing method of the method flow of terminal positioning and position-based service is one of method of the WLAN (wireless local area network) indoor positioning that needs protection.
WLAN (wireless local area network) is at the beginning of development, the demand with the location does not propose as a concrete functional requirement, therefore realizing in this technical structure location, is not a thing that is easy to realize just, and this also is the reason that the online location of present wireless local is not developed like a raging firely.For this reason; realize that this can bring numerous functions easily; just need be to analyzing fully on the parameter that WLAN (wireless local area network) possessed; construct the location that a method of overlapping the location realizes WLAN (wireless local area network) simultaneously, what patent application of the present invention was protected is innovative wireless local area network locating method.
Claims (9)
1, a kind of WLAN terminal device indoor positioning device, this device has localizing environment, location induction point and positioning equipment, it is characterized in that comprising: positioning inductor (21), location return system, positioning inductor are arranged (1), signal passback wireless local area network (WLAN) system layout (2) and location induction point design (3), wherein:
Positioning inductor arranges that (1) module, signal passback wireless local area network (WLAN) system layout (2) and location induction point design (3) module are connected with Design Orientation environment arrangement (4) module respectively, and Design Orientation environment arrangement (4) module is obtained (5) module, location algorithm design (6) module and terminal positioning (7) module with the positional parameter collection successively and is connected.
2, WLAN terminal device indoor positioning device according to claim 1, it is characterized in that: described terminal positioning (7) comprising: regularly obtain current location information (8) module, send to the centrally-located server that (9) module, server Algorithm Analysis provide positional information (10) module, the position is moved (11) module and obtained reposition associated multimedia information (12) module, wherein:
Regularly obtain current location information (8) module successively with send to the centrally-located server that (9) module, server Algorithm Analysis provide positional information (10) module, the position is moved (11) module and obtained reposition associated multimedia information (12) module and is connected.
3, WLAN terminal device indoor positioning device according to claim 1 is characterized in that: the placement distance between a described location inductor (21) and another positioning inductor (21) is the integral multiple place of WLAN (wireless local area network) wavelength.
4, WLAN terminal device indoor positioning device according to claim 1 is characterized in that: the distribution of described location induction point is respectively equipped with anchor point compact district (22) and anchor point rarefaction (23) in space, accurate location.
5, WLAN terminal device indoor positioning device according to claim 1, it is characterized in that: be provided with anchor point in the described localizing environment, the signal that each anchor point is provided with 3 AP at least covers, and the wireless network that is provided with the covering locating area connects signal, locating terminal is connected with background system by wireless network, or lays wireless local area network AP connection background system.
6, a kind of WLAN terminal device indoor orientation method, it is characterized in that: this wireless local area network locating method is the location of carrying out signal with the spacing wave radiation profiles of WLAN (wireless local area network), and the space orientation of carrying out terminal with the signal space TRANSFER MODEL of WLAN (wireless local area network), comprise: WLAN (wireless local area network) indoor positioning environment construction method, WLAN (wireless local area network) indoor positioning parameter selection method and WLAN (wireless local area network) indoor positioning method of locating terminal, its concrete job step is:
Step 1. begins to arrange
Begin to arrange that positioning inductor layout (1) module, signal passback wireless local area network (WLAN) system layout (2) module and location induction point design the environment construction of (3) module;
Step 2. Design Orientation environment arrangement (4) module;
Step 3. enters the positional parameter collection and obtains (5) module;
Step 4. enters location algorithm design (6) module;
Step 5. enters and regularly obtains current location information (8) module;
Step 6. enters to the centrally-located server and sends (9) module;
Step 7. enters the server Algorithm Analysis and provides positional information (10) module;
Are (11) moved in step 8. judgement position?
If move the position, then enter and obtain reposition associated multimedia information (12) module;
If does not move the position, then feed back to and regularly obtain current location information (8) module;
Step 9. enters obtains reposition associated multimedia information (12) module;
Step 10. feeds back to and regularly obtains current location information (8) module;
Step 11. finishes.
7, WLAN terminal device indoor orientation method according to claim 6 is characterized in that: described WLAN (wireless local area network) indoor positioning environment construction method, comprise inductor phase place placement methods and density anchor point structured approach, and its concrete job step is:
Step 1. inductor distributes, signal covers
The inductor that the WLAN (wireless local area network) location is used is distributed in the area of space that need position, and guarantees that each anchor point has enough signals to cover;
Step 2. inductor phase place placement methods
To the locating area of the high part of positioning requirements, two positioning inductors are placed on distance are the integral multiple place of WLAN (wireless local area network) wavelength;
Step 3. is provided with anchor point
In the space environment of location anchor point is set, these anchor points will be able to the positioning algorithm based basis for estimation for final locating terminal;
Step 4. density anchor point structured approach
A), the even distribution of space, location induction point;
B), the special distribution method of space, location induction point;
If being distributed in, thin anchor point do not need pinpoint space;
If being distributed in, close anchor point needs pinpoint space;
Step 5. localizing environment structure
There is the wireless network that covers locating area to connect signal in the localizing environment structure.
8, WLAN terminal device indoor orientation method according to claim 6 is characterized in that: described WLAN (wireless local area network) indoor positioning parameter selection method is the positional parameter system of selection of " three dimensional stress ", and its concrete job step is:
Step 1. first dimension: quiet dimension parameter
A), measure
Signal value to each positioning inductor of being positioned at anchor point is measured;
B), RSSI value
The value of measuring is the RSSI value of the positioning inductor that detects of WLAN (wireless local area network) network interface card end;
C), test form
Test form adopts the four-way method of testing;
D), form three-dimensional array
After the collection of four-way method of testing is finished, form a three-dimensional array, first dimension of array is the numbering of positioning inductor, and second dimension of array is that the direction of all directions, the third dimension of array are the signal numerical value that collects;
E), gather
On all directions four direction on each anchor point, gather;
F), times of collection
Times of collection on each direction is not less than 30 times;
G), signal inductor numerical value
The signal inductor numerical value that can relate to regard to each on each direction is gathered;
Step 2. second dimension: moving dimension parameter
A), the current temperature of signals collecting;
B), the current humidity of signals collecting;
C), the people's quantity around the signals collecting,
Be divided into: do not have, sparse, more sparse, medium, closeer, close grade;
Step 3. third dimension: time dimension parameter
In positioning time of two points during less than certain threshold values, the forward location numerical value of location and current location numerical value are the important parameters with certain relevance.
9, WLAN terminal device indoor orientation method according to claim 6 is characterized in that: described WLAN (wireless local area network) indoor positioning method of locating terminal is " a positional information method for pushing ", and its concrete job step is:
The numerical value of step 1. amount detection signal
The numerical value of the induction point semaphore around the end-probing that moves with the user;
The loopback of step 2. signal
The numerical value that provides according to induction point is transmitted back to signal on the location-server of rear end;
Step 3. is calculated and is returned
Location-server is Value Data storehouse and location algorithm rule of thumb, and the current induction point numerical value in conjunction with the user sends here calculates user's current location, and returns to the user;
Step 4. information pushes
The user sends to the positioning media server with current position information, and the positioning media server provides relevant position media information, and is pushed to the user;
Step 5. positional information method for pushing
A), sensitive range
The locating area that possesses information is " sensitive range ", when terminal equipment enters " sensitive range ", and system senses user's existence;
B), acquired information
Obtain the information content of this scope and offer the user from background system;
C), extract propelling movement
Background server initiatively extracts the content of exhibition on the relevant position, is pushed to terminal in user's the palm then.
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| CN101389975B (en) * | 2006-02-28 | 2012-02-01 | 索尼爱立信移动通讯有限公司 | Positioning system for portable electronic devices |
| CN103237291A (en) * | 2013-05-10 | 2013-08-07 | 阿坝师范高等专科学校 | Integrated positioning method for mobile terminal and active information service recommendation method |
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| CN103237291A (en) * | 2013-05-10 | 2013-08-07 | 阿坝师范高等专科学校 | Integrated positioning method for mobile terminal and active information service recommendation method |
| CN103237291B (en) * | 2013-05-10 | 2015-08-05 | 阿坝师范高等专科学校 | The integration localization method of mobile terminal and active information service recommendation method |
| CN103841642B (en) * | 2014-03-10 | 2017-04-19 | 北京工业大学 | Three-dimensional positioning method in a room |
| CN104023388B (en) * | 2014-05-09 | 2019-01-15 | 芜湖泰庆电子科技有限公司 | A kind of indoor orientation method |
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| CN104684082A (en) * | 2015-03-06 | 2015-06-03 | 苏州海博智能系统有限公司 | System and method for realizing building inner positioning based on base station signal amplification devices |
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| CN106507477A (en) * | 2016-11-22 | 2017-03-15 | 上海斐讯数据通信技术有限公司 | A kind of outdoor positioning method and server based on humidity |
| CN106792561A (en) * | 2017-01-19 | 2017-05-31 | 上海斐讯数据通信技术有限公司 | A kind of wireless fingerprint positioning method and system |
| CN107092009A (en) * | 2017-03-22 | 2017-08-25 | 深圳市西博泰科电子有限公司 | A kind of indoor orientation method and device |
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