CN106455050A - Bluetooth and Wifi-based indoor positioning method, apparatus and system - Google Patents
Bluetooth and Wifi-based indoor positioning method, apparatus and system Download PDFInfo
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- CN106455050A CN106455050A CN201610847519.2A CN201610847519A CN106455050A CN 106455050 A CN106455050 A CN 106455050A CN 201610847519 A CN201610847519 A CN 201610847519A CN 106455050 A CN106455050 A CN 106455050A
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- mobile terminal
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- bluetooth
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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
-
- 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
- G01S5/0252—Radio frequency fingerprinting
-
- 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
- G01S5/14—Determining absolute distances from a plurality of spaced points of known location
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Embodiments of the present invention provide a Bluetooth and Wifi-based indoor positioning method, apparatus and system. The method comprises the steps of when a mobile terminal is at a certain position inside a room, acquiring all Bluetooth APs and all Wifi APs which the mobile terminal can access at the position; acquiring receive signal strength indicator (RSSI) information and media access control (MAC) information of all Bluetooth APs which the mobile terminal can access, and RSSI information and MAC information of all Wifi APs which the mobile terminal can access; performing weighted summation on the RSSI information and MAC information of all Bluetooth APs which the mobile terminal can access and the RSSI information and MAC information of all Wifi APs which the mobile terminal can access, so as to obtain position fingerprint information of the position in which the mobile terminal is; and sending the position fingerprint information of the position in which the mobile terminal is to a positioning server, so as to enable the positioning server to position the mobile terminal inside the room according to the position fingerprint information of the position in which the mobile terminal is and prestored position fingerprint information in a position fingerprint database. The indoor positioning accuracy of the mobile terminal is improved at a low AP hardware cost.
Description
Technical field
The present invention relates to mobile communication technology field, more particularly, to a kind of indoor orientation method based on bluetooth and Wifi,
Apparatus and system.
Background technology
IOS (Mobile operating system of Apple) indoor orientation method based on Wifi (Wireless Fidelity) is prior art
Popular one kind in scheme, the signal being based primarily upon Wifi focus AP (Access Point, wireless access points) is strong
Degree, calculates specific position by propagation model method or Fingerprint Model method.Because the coverage ratio of Wifi is larger, therefore than
Appropriate positioned although Wifi positioning precision only arrives meter level in large-scale interior, but its location technology comparative maturity, very
Universal application has been obtained in multi-field.The prior art has the disadvantage that：(1) Wifi positioning only reaches 1 meter to 20 meters,
Positioning precision is low.(2) single location technology, if produce error cannot revise.
Ultra broadband (UWB) location technology is higher one kind of positioning precision in prior art.It is a kind of relatively new type
Wireless communication technology it is not necessary to using the carrier wave in traditional communication system, but by sending and receiving with nanosecond or receiving
Ultra-narrow pulse below second level carrys out transmission data, therefore has the bandwidth of GHz magnitude.Ultra-wide band indoor positioning technologies typically pass through
TDOA (arrival time difference positioning algorithm) and AOA (angle of arrival location algorithm) both location algorithms are calculating particular location.
UWB technology has the advantages such as transmission power is relatively low, transfer rate is high and penetration power is strong, and existing UWB technology can reach 6-10
Centimetre positioning precision.The prior art has the disadvantage that：(1) limited coverage area, cost is larger, due to frequency shared by UWB
Spectrum is wider, then needs to improve cost to cover larger scope；(3) do not support mobile phone, be restricted on using, be unfavorable for pushing away
Extensively.
Content of the invention
The embodiment of the present invention provides a kind of indoor orientation method based on bluetooth and Wifi, apparatus and system, with by relatively
Low AP hardware cost, improves the indoor positioning precision of mobile terminal.
On the one hand, a kind of indoor orientation method based on bluetooth and Wifi, methods described bag are embodiments provided
Include：
When mobile terminal is in indoor a certain position, obtain all indigo plants that described mobile terminal can access in this position
Tooth wireless access points AP and all Wireless Fidelity Wifi AP；
Obtain received signal strength indicator RSSI information and the media of all Bluetooth AP that described mobile terminal can access
The RSSI information of all Wifi AP that access control MAC information and described mobile terminal can access and MAC information；
RSSI information to all Bluetooth AP that described mobile terminal can access and MAC information, and described mobile terminal
The RSSI information of all Wifi AP that can access and MAC information, are weighted summation and obtain described mobile terminal present position
Location fingerprint information；
The location fingerprint information of described mobile terminal present position is sent to location-server, so that described positioning service
Device is believed with the location fingerprint in the location fingerprint database prestoring according to the location fingerprint information of described mobile terminal present position
Breath, carries out the indoor positioning of described mobile terminal.
On the other hand, a kind of indoor positioning device based on bluetooth and Wifi, described device are embodiments provided
Including：
Scanning element, for when mobile terminal is in indoor a certain position, obtaining described mobile terminal in this position institute
The all bluetooth wireless access points AP that can access and all Wireless Fidelity Wifi AP；
Receiving unit, for receiving the received signal strength indicator of all Bluetooth AP that described mobile terminal can access
The RSSI information of all Wifi AP that RSSI information can access with media access control MAC information and described mobile terminal
With MAC information；
Computing unit, for the RSSI information of all Bluetooth AP that described mobile terminal can access and MAC information, and
The RSSI information of all Wifi AP that described mobile terminal can access and MAC information, are weighted summation and obtain described movement
The location fingerprint information of terminal present position；
Transmitting element, for the location fingerprint information of described mobile terminal present position is sent to location-server, with
Toilet states location-server according to the location fingerprint information of described mobile terminal present position and the location fingerprint database prestoring
In location fingerprint information, carry out the indoor positioning of described mobile terminal.
Another further aspect, embodiments provides a kind of indoor locating system based on bluetooth and Wifi, described interior
Including multiple Wifi AP and in advance multiple subregions are set in the coverage of described each indoor Wifi AP, often
At least one Bluetooth AP is set in individual subregion, and described indoor locating system includes：Mobile terminal and location-server；Wherein, institute
State mobile terminal and include the above-mentioned indoor positioning device based on bluetooth and Wifi.
Technique scheme has the advantages that：By relatively low AP hardware cost, improve mobile terminal indoor
Positioning precision.Further, since employing the combination of bluetooth and Wifi technology, it can be avoided that the error that single positioning produces.And
And, due to employing the location fingerprint database that bluetooth is combined with Wifi, positioning is more quick and accurate.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of indoor orientation method flow chart based on bluetooth and Wifi of the embodiment of the present invention；
Fig. 2 is a kind of indoor positioning apparatus structure schematic diagram based on bluetooth and Wifi of the embodiment of the present invention；
Fig. 3 is the off-line training step flow chart of application example of the present invention；
The tuning on-line phase flow figure of Fig. 4 application example of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
As shown in figure 1, being a kind of indoor orientation method flow chart based on bluetooth and Wifi of the embodiment of the present invention, described side
Method includes：
101st, when mobile terminal is in indoor a certain position, obtain the institute that described mobile terminal can access in this position
There is bluetooth wireless access points AP and all Wireless Fidelity Wifi AP；
102nd, obtain the received signal strength indicator RSSI information of all Bluetooth AP that can access of described mobile terminal and
The RSSI information of all Wifi AP that media access control MAC information and described mobile terminal can access and MAC information；
103rd, the RSSI information to all Bluetooth AP that described mobile terminal can access and MAC information, and described movement
The RSSI information of all Wifi AP that terminal can access and MAC information, are weighted summation and obtain residing for described mobile terminal
The location fingerprint information of position；
104th, the location fingerprint information of described mobile terminal present position is sent to location-server, so that described positioning
Server is referred to the position in the location fingerprint database prestoring according to the location fingerprint information of described mobile terminal present position
Line information, carries out the indoor positioning of described mobile terminal.
Preferably, methods described also includes：Gather described mobile terminal institute in described indoor diverse location respectively in advance
The all Bluetooth AP that can access and all Wifi AP；And receive all Bluetooth AP that described mobile terminal can access respectively
It is all that received signal strength indicator RSSI information and media access control MAC information and described mobile terminal can access
The RSSI information of Wifi AP and MAC information；All indigo plants that described mobile terminal can be accessed in described indoor diverse location
The RSSI information of tooth AP and MAC information, and the RSSI information of all Wifi AP that can access of described mobile terminal and MAC letter
Breath, being weighted respectively sues for peace obtains the location fingerprint information that described mobile terminal is in relevant position, and is sent to positioning clothes
Business device is stored in location fingerprint database.
Preferably, when mobile terminal is in indoor a certain position, obtain described mobile terminal and can access in this position
All bluetooth wireless access points AP and all Wireless Fidelity Wifi AP, specifically include：When mobile terminal be in indoor certain
During one position, carry out AP signal scanning, obtain AP list；The AP list getting is filtered, removes insincere AP, obtain
All bluetooth wireless access points AP and all Wireless Fidelity Wifi AP that described mobile terminal can access in this position.
Preferably, also include：Described location-server receives the position of its present position that described mobile terminal sends
After finger print information, mated with the location fingerprint information in the location fingerprint database prestoring using nearest neighbor algorithm, according to
Matching result obtains the positional information of described mobile terminal, and is sent to described mobile terminal.
Preferably, described Bluetooth AP is to employ the AP of iBeacon bluetooth 4.0 Low-power Technology；Described work as mobile terminal
When being in indoor a certain position, obtain all bluetooth wireless access points AP that described mobile terminal can access in this position
Before all Wireless Fidelity Wifi AP, methods described also includes：In advance in the covering of described each indoor Wifi AP
In the range of multiple subregions are set, at least one Bluetooth AP is set in each subregion.
Corresponding to said method embodiment, as shown in Fig. 2 being a kind of interior based on bluetooth and Wifi of the embodiment of the present invention
Positioning device structure schematic diagram, described device includes：
Scanning element 21, for when mobile terminal is in indoor a certain position, obtaining described mobile terminal in this position
The all bluetooth wireless access points AP that can access and all Wireless Fidelity Wifi AP；
Receiving unit 22, for receiving the received signal strength indicator of all Bluetooth AP that described mobile terminal can access
The RSSI information of all Wifi AP that RSSI information can access with media access control MAC information and described mobile terminal
With MAC information；
Computing unit 23, for the RSSI information of all Bluetooth AP that described mobile terminal can access and MAC information,
The RSSI information of all Wifi AP that can access with described mobile terminal and MAC information, are weighted summation and obtain described shifting
The location fingerprint information of dynamic terminal present position；
Transmitting element 24, for the location fingerprint information of described mobile terminal present position is sent to location-server,
So that described location-server is according to the location fingerprint information of described mobile terminal present position and the location fingerprint data prestoring
Location fingerprint information in storehouse, carries out the indoor positioning of described mobile terminal.
Preferably, described device also includes：Training unit 20, for gathering respectively in described indoor diverse location in advance
All Bluetooth AP and all Wifi AP that described mobile terminal can access；And receive described mobile terminal respectively and can access
The received signal strength indicator RSSI information of all Bluetooth AP and media access control MAC information and described mobile terminal
The RSSI information of all Wifi AP that can access and MAC information；Respectively to described mobile terminal in described indoor different positions
Put RSSI information and the MAC information of all Bluetooth AP that can access, and all Wifi AP that described mobile terminal can access
RSSI information and MAC information, being weighted respectively sues for peace obtains the location fingerprint letter that described mobile terminal is in relevant position
Cease, and be sent to location-server and be stored in location fingerprint database
Preferably, described scanning element 21, specifically for when mobile terminal is in indoor a certain position, carrying out AP signal
Scanning, obtains AP list；The AP list getting is filtered, removes insincere AP, obtain described mobile terminal in this position
Put all bluetooth wireless access points AP that can access and all Wireless Fidelity Wifi AP.
In addition, the embodiment of the present invention also provides a kind of indoor locating system based on bluetooth and Wifi, described interior inclusion
Multiple Wifi AP and in advance multiple subregions are set in the coverage of described each indoor Wifi AP, each point
At least one Bluetooth AP is set in area, and described indoor locating system includes：Mobile terminal and location-server；Wherein, described shifting
Dynamic terminal includes the above-mentioned indoor positioning device based on bluetooth and Wifi.
Preferably, described location-server receives the location fingerprint information of its present position that described mobile terminal sends
Afterwards, mated with the location fingerprint information in the location fingerprint database prestoring using nearest neighbor algorithm, according to matching result
Obtain the positional information of described mobile terminal, and be sent to described mobile terminal.
Below by way of application example, embodiment of the present invention technique scheme is described in detail：
Indoor environment, due to complicated construction, transmission range, the blocking of one-level floor wall, can cause signal weak, many
Footpath propagation effect will lead to the decay of wireless signal, although rely only on a kind of location technology and implementing and position convenient and simple, appearance
It is vulnerable to noise and artificial disturbance and produces error, lead to precision to reduce.Application example of the present invention can be connect using multiple AP
Access point, the AP of one or two Wifi is combined with multiple Bluetooth AP, the AP data receiving is weighted, makes up list
The deficiency of one location technology.
Application example of the present invention is a kind of based on iBeacon (the bluetooth 4.0 low-power consumption skill that iOS7 system development bag provides
Art) and Wifi location technology, the iOS indoor positioning side on the basis of location fingerprint (multipath characteristics of wireless signal) location algorithm
Method, iBeacon is a kind of bluetooth 4.0 low-consumption wireless communication technology that iOS kit provides, due to Bluetooth AP coverage relatively
Little, and Wifi coverage is larger, therefore using several Bluetooth AP, Wifi AP can be carried out with subregion, at certain position
In the range of bluetooth (one or more) is covered with Wifi, then can receive multiple RSSI (Receive Signal
Strength Indicator, received signal strength indicator) value, it is weighted process according to RSSI intensity, forms bluetooth
The location fingerprint being combined with Wifi, is sent to location-server, the bluetooth that location-server will be set up according to off-line training step
The location fingerprint database being combined with Wifi, is mated to the location fingerprint receiving, using a kind of nearest neighbor algorithm (data
Excavate sorting algorithm), calculate the list of locations of top n, select one or more positions to return to mobile phone terminal.
So, the application example technical issues that need to address of the present invention include：
(1) Dual positioning.The iBeacon technology of iOS offer is provided, makes up the deficiency of the single positioning of Wifi.
(2) improve precision.Pass through low-power consumption bluetooth technology using iBeacon, short distance positioning improves positioning precision.
Application example of the present invention includes 2 parts：Off-line training, tuning on-line：
(1) off-line training：Mobile terminal off-line training actually belongs to the APP of a small-sized iOS, is the first of the present invention
Stage.After placing sufficient amount of access AP indoors and being all turned on, using off-line training respectively in different station acquisition
RSSI data, forms, after it being weighted process, the location fingerprint that bluetooth is combined with Wifi, is sent to location-server end,
Location-server is deposited into location fingerprint database.
(2) tuning on-line：Mobile terminal tuning on-line is also the APP on an iOS, belongs to the second stage of the present invention.
Cell-phone customer terminal is scanned AP signal using this module, and AP is filtered, and removes incredible AP.Using with off-line training
Identical processing method, is sent to location-server after forming the location fingerprint that is combined with Wifi of bluetooth, location-server according to
The location fingerprint database of foundation is mated, and returning to specific position is xy coordinate.
Location-server is responsible for creating location fingerprint database in off-line phase, the location fingerprint that will receive in positioning stage
Data is mated with database, returns to specific position.Access AP：Access AP and be divided into Wifi AP and Bluetooth AP, put indoors
Postpone MAC (Media Access Control, the media access control, or referred to as that signal RSSI information and AP are provided for positioning
Physical address, hardware address) information.
Application example of the present invention places several AP (Wifi and bluetooth) first indoors, then off-line training scanning AP letter
Number RSSI and Mac information, by these information are weighted summation after obtain the location fingerprint that bluetooth is combined with Wifi, general
This position and location fingerprint are sent to location-server, and location-server is deposited into location fingerprint database.Tuning on-line is same
RSSI the and Mac information of sample ground scanning AP signal, is sent to location-server, location-server ergodic data storehouse, finds and it
Particular location with this location fingerprint is finally returned to iOS mobile phone terminal by immediate location fingerprint.
As shown in figure 3, being the off-line training step flow chart of application example of the present invention, place sufficient amount of indoors
The Wifi and access AP of bluetooth, selectes certain position, manually starts to scan on iOS mobile phone terminal, off-line training gets
All AP lists of this position, filter insincere AP, the RSSI according to each AP receiving and MAC information, do weighted sum
Send to location-server after forming the location fingerprint that bluetooth is combined with Wifi, location-server searches whether to deposit from database
In this location fingerprint, if existing, abandon, and reselect position and start to scan；Otherwise this position is deposited together with location fingerprint
Enter in the fingerprint database of position, after preservation, continue to scan on next position.
As shown in figure 4, the tuning on-line phase flow figure of application example of the present invention, after selecting certain position, tuning on-line
Get all AP lists of this position, filter insincere AP, the RSSI according to each AP receiving and MAC information, add
Power summation sends to location-server after forming the location fingerprint that bluetooth is combined with Wifi, and location-server is according to nearest neighbor algorithm
From database, position matching, to specific position, returns to iOS mobile phone terminal.
Application example of the present invention can be used for the scene of animation exhibition.The sub- exhibition of animation exhibition includes animation exhibition, overflows
Exhibition of paintings field, game exhibition and Cosplay (role playing) exhibition etc., and every sub- exhibition can be divided into according to content classification many
Individual region.During animation exhibition is not begun, depending on the size in exhibition place, rationally place sufficient amount of Wifi and access with bluetooth
Point AP, is scanned obtaining the location fingerprint information of ad-hoc location using off-line training APP in every sub- exhibition or each region,
Create position location fingerprint database, this stage scans more positions as far as possible, it is to avoid positioning is blank.When exhibition is open,
Obtain the location fingerprint of relevant position using tuning on-line APP, send to location-server end, location-server is from database
Match with this location fingerprint immediate position and return to iOS mobile phone terminal, iOS mobile phone terminal marks out this position on map
Put.
It should be noted that application example of the present invention is illustrated with iOS mobile phone, but application example of the present invention is simultaneously
It is not limited, it can also be applied to the system mobile phones such as Android (Android).
Application example technique scheme of the present invention has the advantages that：By relatively low AP hardware cost, improve
The indoor positioning precision of mobile terminal.Further, since employing the combination of bluetooth and Wifi technology, it can be avoided that single positioning
The error producing.And, due to employing the location fingerprint database that bluetooth is combined with Wifi, positioning is more quick and accurate.
It should be understood that the particular order of step during disclosed or level are the examples of illustrative methods.It is based on and set
Meter preference it should be appreciated that during the particular order of step or level can be in the feelings of the protection domain without departing from the disclosure
Rearranged under condition.Appended claim to a method gives the key element of various steps with exemplary order, and not
It is intended to be limited to described particular order or level.
In above-mentioned detailed description, group is combined in single embodiment, to simplify the disclosure various features together.No
This open method should be construed to reflect such intention, i.e. the embodiment of theme required for protection needs to compare
The more feature of feature clearly stated in each claim.On the contrary, as appending claims reflects
Like that, the present invention is in the state fewer than whole features of disclosed single embodiment.Therefore, appending claims
It is hereby expressly incorporated in detailed description, wherein each claim is alone as the single preferred embodiment of the present invention.
Any technical staff for making in the art is capable of or uses the present invention, above disclosed embodiment is entered
Go description.To those skilled in the art；The various modification modes of these embodiments will be apparent from, and this
The General Principle of literary composition definition can also be applied to other embodiments on the basis of the spirit and scope without departing from the disclosure.
Therefore, the disclosure is not limited to embodiments set forth herein, but the widest with principle disclosed in the present application and novel features
Scope is consistent.
Described above includes the citing of one or more embodiments.Certainly, in order to above-described embodiment is described and description portion
The all possible combination of part or method is impossible, but it will be appreciated by one of ordinary skill in the art that each enforcement
Example can do further combinations and permutations.Therefore, embodiment described herein is intended to fall into appended claims
Protection domain in all such changes, modifications and variations.Additionally, with regard to term used in specification or claims
"comprising", this word cover mode similar to term " inclusion ", solved as link word in the claims just as " inclusion, "
As releasing.Additionally, being intended to represent " non-exclusionism using any one the term "or" in the specification of claims
Or ".
Those skilled in the art are it will also be appreciated that the various illustrative components, blocks listed of the embodiment of the present invention
(illustrative logical block), unit, and step can pass through electronic hardware, computer software, or both knots
Conjunction is realized.For clearly showing that the replaceability (interchangeability) of hardware and software, above-mentioned various explanations
Property part (illustrative components), unit and step have universally described their function.Such work(
It can be the design requirement realized by hardware or software depending on specific application and whole system.Those skilled in the art
Can be for every kind of specific application, it is possible to use various methods realize described function, but this realization is understood not to
Scope beyond embodiment of the present invention protection.
Various illustrative logical block described in the embodiment of the present invention, or unit can pass through general processor,
Digital signal processor, special IC (ASIC), field programmable gate array or other programmable logic device, discrete gate
Or transistor logic, discrete hardware components, or the design of any of the above described combination are realizing or to operate described function.General place
Reason device can be microprocessor, and alternatively, this general processor can also be any traditional processor, controller, microcontroller
Device or state machine.Processor can also be realized by the combination of computing device, such as digital signal processor and microprocessor,
Multi-microprocessor, one or more microprocessors one Digital Signal Processor Core of joint, or any other like configuration
To realize.
The step of the method described in the embodiment of the present invention or algorithm can be directly embedded into hardware, computing device soft
Part module or the combination of both.Software module can be stored in RAM memory, flash memory, ROM memory, EPROM storage
Other any form of storage media in device, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area
In.Exemplarily, storage medium can be connected with processor, so that processor can read information from storage medium, and
Write information can be deposited to storage medium.Alternatively, storage medium can also be integrated in processor.Processor and storage medium can
To be arranged in ASIC, ASIC can be arranged in user terminal.Alternatively, processor and storage medium can also be arranged at use
In different part in the terminal of family.
In one or more exemplary designs, above-mentioned functions described by the embodiment of the present invention can be in hardware, soft
Any combination of part, firmware or this three is realizing.If realized in software, these functions can store and computer-readable
On medium, or it is transmitted on the medium of computer-readable with one or more instructions or code form.Computer readable medium includes electricity
Brain stores medium and is easy to so that allowing computer program transfer to the telecommunication media in other places from a place.Storage medium is permissible
It is any general or special computer can be with the useable medium of access.For example, such computer readable media can include but
It is not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage device, or other
What can be used for carrying or storing to instruct or data structure and other can be by general or special computer or general or specially treateds
Device reads the medium of the program code of form.Additionally, any connection can be properly termed computer readable medium, example
As if software is to pass through a coaxial cable, fiber optic cables, double from a web-site, server or other remote resource
Twisted wire, Digital Subscriber Line (DSL) or with the wireless way for transmittings such as example infrared, wireless and microwave be also contained in defined
In computer readable medium.Described video disc (disk) and disk (disc) include Zip disk, radium-shine disk, CD, DVD, floppy disk
And Blu-ray Disc, disk is generally with magnetic duplication data, and video disc generally carries out optical reproduction data with laser.Combinations of the above
Can also be included in computer readable medium.
Above-described specific embodiment, has been carried out to the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be should be understood that the specific embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvement within the spirit and principles in the present invention, done etc., all should comprise
Within protection scope of the present invention.
Claims (10)
1. a kind of indoor orientation method based on bluetooth and Wifi is it is characterised in that methods described includes：
When mobile terminal is in indoor a certain position, obtain all bluetooths that described mobile terminal can access in this position no
Line access points AP and all Wireless Fidelity Wifi AP；
Obtain received signal strength indicator RSSI information and the media interviews of all Bluetooth AP that described mobile terminal can access
Control the RSSI information of all Wifi AP that MAC information and described mobile terminal can access and MAC information；
RSSI information to all Bluetooth AP that described mobile terminal can access and MAC information, and described mobile terminal institute energy
The RSSI information of all Wifi AP and the MAC information accessing, being weighted sues for peace obtains the position of described mobile terminal present position
Put finger print information；
The location fingerprint information of described mobile terminal present position is sent to location-server, so that described location-server root
According to the location fingerprint information in location fingerprint information and the location fingerprint database prestoring of described mobile terminal present position, enter
The indoor positioning of the described mobile terminal of row.
2. as claimed in claim 1 the indoor orientation method based on bluetooth and Wifi it is characterised in that methods described also includes：
Gather all Bluetooth AP that described mobile terminal can access respectively and own in described indoor diverse location in advance
Wifi AP；And receive the received signal strength indicator RSSI information of all Bluetooth AP that described mobile terminal can access respectively
The RSSI information of all Wifi AP that can be accessed with media access control MAC information and described mobile terminal is believed with MAC
Breath；
The RSSI information and MAC of all Bluetooth AP that described mobile terminal can access in described indoor diverse location is believed
Breath, and the RSSI information of all Wifi AP that can access of described mobile terminal and MAC information, are weighted suing for peace respectively
It is in the location fingerprint information of relevant position to described mobile terminal, and is sent to location-server and be stored in location fingerprint database
In.
3. as claimed in claim 1 the indoor orientation method based on bluetooth and Wifi it is characterised in that when mobile terminal is in room
During interior a certain position, obtain all bluetooth wireless access points AP that described mobile terminal can access in this position and own
Wireless Fidelity Wifi AP, specifically includes：
When mobile terminal is in indoor a certain position, carry out AP signal scanning, obtain AP list；
The AP list getting is filtered, removes insincere AP, obtain what described mobile terminal can access in this position
All bluetooth wireless access points AP and all Wireless Fidelity Wifi AP.
4. as claimed in claim 1 the indoor orientation method based on bluetooth and Wifi it is characterised in that also including：
After described location-server receives the location fingerprint information of its present position that described mobile terminal sends, using nearest
Adjacent algorithm is mated with the location fingerprint information in the location fingerprint database prestoring, and obtains described movement according to matching result
The positional information of terminal, and it is sent to described mobile terminal.
5. as any one of claim 1-4 the indoor orientation method based on bluetooth and Wifi it is characterised in that described indigo plant
Tooth AP is the AP employing iBeacon bluetooth 4.0 Low-power Technology；Described when mobile terminal is in indoor a certain position, obtain
Take all bluetooth wireless access points AP that described mobile terminal can access in this position and all Wireless Fidelity Wifi AP
Before, methods described also includes：
In advance multiple subregions are set in the coverage of described each indoor Wifi AP, arrange at least in each subregion
One Bluetooth AP.
6. a kind of indoor positioning device based on bluetooth and Wifi is it is characterised in that described device includes：
Scanning element, can connect in this position for when mobile terminal is in indoor a certain position, obtaining described mobile terminal
The all bluetooth wireless access points AP entering and all Wireless Fidelity Wifi AP；
Receiving unit, the received signal strength indicator RSSI for receiving all Bluetooth AP that described mobile terminal can access believes
The RSSI information of all Wifi AP and MAC that breath can access with media access control MAC information and described mobile terminal
Information；
Computing unit, for the RSSI information of all Bluetooth AP that described mobile terminal can access and MAC information and described
The RSSI information of all Wifi AP that mobile terminal can access and MAC information, are weighted summation and obtain described mobile terminal
The location fingerprint information of present position；
Transmitting element, for the location fingerprint information of described mobile terminal present position is sent to location-server, with toilet
State location-server according in the location fingerprint information of described mobile terminal present position and the location fingerprint database prestoring
Location fingerprint information, carries out the indoor positioning of described mobile terminal.
7. as claimed in claim 6 the indoor positioning device based on bluetooth and Wifi it is characterised in that described device also includes：
Training unit, for gathering, in described indoor diverse location, all indigo plants that described mobile terminal can access respectively in advance
Tooth AP and all Wifi AP；And receive the received signal strength of all Bluetooth AP that described mobile terminal can access respectively and refer to
Show the RSSI letter of all Wifi AP that RSSI information can access with media access control MAC information and described mobile terminal
Breath and MAC information；RSSI to all Bluetooth AP that described mobile terminal can access in described indoor diverse location respectively
Information and MAC information, and the RSSI information of all Wifi AP that can access of described mobile terminal and MAC information, are carried out respectively
Weighted sum obtains the location fingerprint information that described mobile terminal is in relevant position, and is sent to location-server and is stored in position
In fingerprint database.
8. as claimed in claim 6 the indoor positioning device based on bluetooth and Wifi it is characterised in that
Described scanning element, specifically for when mobile terminal is in indoor a certain position, carrying out AP signal scanning, obtains AP row
Table；The AP list getting is filtered, removes insincere AP, obtain the institute that described mobile terminal can access in this position
There is bluetooth wireless access points AP and all Wireless Fidelity Wifi AP.
9. a kind of indoor locating system based on bluetooth and Wifi it is characterised in that described interior inclusion multiple Wifi AP, with
And in advance multiple subregions are set in the coverage of described each indoor Wifi AP, setting at least in each subregion
Individual Bluetooth AP, described indoor locating system includes：Mobile terminal and location-server；Wherein, described mobile terminal includes right
Require the indoor positioning device based on bluetooth and Wifi any one of 6-8.
10. as claimed in claim 9 the indoor locating system based on bluetooth and Wifi it is characterised in that described location-server
After receiving the location fingerprint information of its present position that described mobile terminal sends, using nearest neighbor algorithm and the position prestoring
Location fingerprint information in fingerprint database is mated, and obtains the positional information of described mobile terminal according to matching result, and
It is sent to described mobile terminal.
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| CN111726861A (en) * | 2020-06-09 | 2020-09-29 | 北京无限向溯科技有限公司 | Indoor positioning method, device and system for heterogeneous equipment and storage medium |
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| CN111814752A (en) * | 2020-08-14 | 2020-10-23 | 上海木木聚枞机器人科技有限公司 | Indoor positioning implementation method, server, intelligent mobile device and storage medium |
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| CN112672297A (en) * | 2020-12-16 | 2021-04-16 | 上海浦东发展银行股份有限公司 | Indoor positioning method, server, positioning client, equipment and storage medium |
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