CN109451579A - A kind of localization method and equipment based on bluetooth - Google Patents
A kind of localization method and equipment based on bluetooth Download PDFInfo
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- CN109451579A CN109451579A CN201811583190.9A CN201811583190A CN109451579A CN 109451579 A CN109451579 A CN 109451579A CN 201811583190 A CN201811583190 A CN 201811583190A CN 109451579 A CN109451579 A CN 109451579A
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- Prior art keywords
- bluetooth beacon
- positioning
- bluetooth
- mac address
- beacon
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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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
Abstract
This application discloses a kind of localization method and equipment based on bluetooth, for improving the accuracy of positioning.Localization method therein comprises determining that positioning strategy, wherein the positioning strategy is used to indicate at least one broadcast channel used by each Bluetooth beacon positions；Corresponding positioning strategy is sent at least three Bluetooth beacons；Receive the positioning signal sent from each Bluetooth beacon based on the positioning strategy；The positioning signal determines the positioning device position based on the received.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of localization method and equipment based on bluetooth.
Background technique
Ibeacon location technology is realized based on bluetooth wireless receiving and dispatching, and multiple bluetooth letters are substantially deployed in scene
It marks, bluetooth module is provided on the equipment for needing to position such as terminal device, Bluetooth beacon is wide as a node progress bluetooth
It broadcasts, terminal device receives the broadcast singal of Bluetooth beacon, so that the size of bluetooth signal intensity estimates in turn based on the received
The distance between terminal device and Bluetooth beacon.When terminal device scans the node of multiple and different positions simultaneously, then terminal
Equipment can calculate at a distance from each node according to the size for receiving bluetooth signal intensity, to calculate terminal device institute
In position.
Although the intensity of Bluetooth signal is gradually reduced with the increase at a distance from Bluetooth beacon, since terminal is set
Standby place scene, such as there may be the intensity that barrier or other possible interference will affect Bluetooth signal, thus according to
The intensity determination of Bluetooth signal is lower with the accuracy of the distance between Bluetooth beacon, leads to the accuracy of positioning, it is seen then that
The accuracy positioned at present is lower.
Summary of the invention
The embodiment of the present application provides a kind of localization method and equipment based on bluetooth, for improving the accuracy of positioning.
In a first aspect, the embodiment of the present application provides a kind of localization method based on bluetooth, which includes:
Determine positioning strategy, wherein the positioning strategy is used to indicate at least one used by each Bluetooth beacon positioning
A broadcast channel；
Corresponding positioning strategy is sent at least three Bluetooth beacons；
Receive the positioning signal sent from each Bluetooth beacon based on the positioning strategy；
The positioning signal determines the positioning device position based on the received.
The application determines positioning strategy before positioning, that is, selection transmission signal in three broadcast channels of Bluetooth beacon
At least one more accurate broadcast channel, that is, at least one lesser broadcast channel is influenced on signal strength, thus root
The intensity of positioning signal according to Bluetooth beacon based on more accurate at least one broadcast channel transmission is positioned also compared with subject to
Really, to improve the accuracy of positioning.
Optionally, before determining positioning strategy, further includes:
Test instruction is sent to each of at least three Bluetooth beacons Bluetooth beacon, the test instruction is used for
Indicate that each Bluetooth beacon sends broadcast message by corresponding broadcast channel；
Receive the test signal from each Bluetooth beacon based on the test instruction feedback；Wherein, the test
Signal is that each Bluetooth beacon passes through what three broadcast channels were sent respectively；
For each Bluetooth beacon, the signal for obtaining the test signal from three broadcast channels respectively is strong
Degree, and the distance between each Bluetooth beacon and the positioning device are obtained, and determine the signal of each broadcast channel
The corresponding relationship of intensity and distance obtains three pairs of corresponding relationships；
The Bluetooth beacon positioning at least two broadcast channels used are determined based on three pairs of corresponding relationships, wherein
At least two broadcast channel includes at least one broadcast channel of the positioning strategy instruction.
Optionally, determine that the Bluetooth beacon positioning at least two broadcast used are believed based on three pairs of corresponding relationships
Road, comprising:
Three pairs of corresponding relationships are sent to server, wherein each pair of corresponding relationship is used to indicate each of each Bluetooth beacon
The signal strength of broadcast channel and the corresponding relationship of distance；
It receives and at least two broadcast channel is determined based on three pairs of corresponding relationships from the server.
The application determines that positioning strategy can be and is determined by electronic equipment, to mitigate the dependence to other equipment.Secondly,
The application determines that positioning strategy is also possible to determine positioning strategy by server and informs electronic equipment, can mitigate electronics in this way
The burden of equipment.
Optionally, corresponding positioning strategy is sent at least three Bluetooth beacons, comprising:
Any one broadcast letter that corresponding positioning strategy indicates is sent at least three Bluetooth beacon
The identification information in road；Or,
At least two broadcast letters that corresponding positioning strategy indicates are sent at least three Bluetooth beacon
The respective identification information in road.
Optionally, after sending test instruction to each Bluetooth beacon, further includes:
Obtain at least two MAC Address of the Bluetooth beacon setting；
The corresponding relationship of at least two MAC Address and the location information of the Bluetooth beacon is sent to the service
Device, to obtain the position of the Bluetooth beacon according to the MAC address in described two MAC Address by the server.
Optionally, the positioning signal determines the positioning device position based on the received, comprising:
Obtain the MAC Address of each Bluetooth beacon at least three Bluetooth beacon, and based on the MAC Address from
The server obtains at least three Bluetooth beacons respective positions information；
For each Bluetooth beacon at least three Bluetooth beacon, it is based on each respective position of Bluetooth beacon
The intensity of confidence breath, the corresponding relationship of signal strength and distance and the positioning signal determines that the positioning device institute is in place
It sets.
Optionally, the MAC Address of each Bluetooth beacon at least three Bluetooth beacon is obtained, comprising:
Acquisition request message is sent to each Bluetooth beacon, wherein the acquisition request message is described for obtaining
The MAC Address of each Bluetooth beacon；
Receive the MAC Address from each Bluetooth beacon, wherein different moments within a preset period of time are received
Bluetooth beacon MAC Address it is identical or different, the MAC Address of the Bluetooth beacon is between at least two MAC Address
Random switching.
Above-mentioned three kinds of optional modes describe the Bluetooth beacon in the application provided at least two MAC Address, and with
Machine-cut changes at least two set MAC Address, that is, Bluetooth beacon, in position fixing process, the MAC Address at a certain moment is
Set one of MAC Address, the MAC Address at another moment may be another set MAC Address, in this way
The Bluetooth beacon of the application can be used to avoid third party to be prevented from being stolen as far as possible to realize the protection to Bluetooth beacon.
Second aspect, the embodiment of the present application provide a kind of positioning device, which includes:
First determination unit, for determining positioning strategy, wherein it is fixed that the positioning strategy is used to indicate each Bluetooth beacon
At least one broadcast channel used by position；
Transmission unit, for sending corresponding positioning strategy at least three Bluetooth beacons；
Receiving unit, for receiving the positioning signal sent from each Bluetooth beacon based on the positioning strategy；
Second determination unit determines the positioning device position for the positioning signal based on the received.
Optionally, first determination unit is also used to:
Test instruction is sent to each of at least three Bluetooth beacons Bluetooth beacon, the test instruction is used for
Indicate that each Bluetooth beacon sends broadcast message by corresponding broadcast channel；
Receive the test signal from each Bluetooth beacon based on the test instruction feedback；Wherein, the test
Signal is that each Bluetooth beacon passes through what three broadcast channels were sent respectively；
For each Bluetooth beacon, the signal for obtaining the test signal from three broadcast channels respectively is strong
Degree, and the distance between each Bluetooth beacon and the positioning device are obtained, and determine the signal of each broadcast channel
The corresponding relationship of intensity and distance obtains three pairs of corresponding relationships；
The Bluetooth beacon positioning at least two broadcast channels used are determined based on three pairs of corresponding relationships, wherein
At least two broadcast channel includes at least one broadcast channel of the positioning strategy instruction.
Optionally, first determination unit is specifically used for:
Three pairs of corresponding relationships are sent to server, wherein each pair of corresponding relationship is used to indicate each of each Bluetooth beacon
The signal strength of broadcast channel and the corresponding relationship of distance；
It receives and at least two broadcast channel is determined based on three pairs of corresponding relationships from the server.
Optionally, the transmission unit is specifically used for:
Any one broadcast letter that corresponding positioning strategy indicates is sent at least three Bluetooth beacon
The identification information in road；Or,
At least two broadcast letters that corresponding positioning strategy indicates are sent at least three Bluetooth beacon
The respective identification information in road.
Optionally, the transmission unit is also used to:
Obtain at least two MAC Address of the Bluetooth beacon setting；
The corresponding relationship of at least two MAC Address and the location information of the Bluetooth beacon is sent to the service
Device, to obtain the position of the Bluetooth beacon according to the MAC address in described two MAC Address by the server.
Optionally, second determination unit is specifically used for:
Obtain the MAC Address of each Bluetooth beacon at least three Bluetooth beacon, and based on the MAC Address from
The server obtains at least three Bluetooth beacons respective positions information；
For each Bluetooth beacon at least three Bluetooth beacon, it is based on each respective position of Bluetooth beacon
The intensity of confidence breath, the corresponding relationship of signal strength and distance and the positioning signal determines that the positioning device institute is in place
It sets.
Optionally, second determination unit is specifically used for:
Acquisition request message is sent to each Bluetooth beacon, wherein the acquisition request message is described for obtaining
The MAC Address of each Bluetooth beacon；
Receive the MAC Address from each Bluetooth beacon, wherein different moments within a preset period of time are received
Bluetooth beacon MAC Address it is identical or different, the MAC Address of the Bluetooth beacon is between at least two MAC Address
Random switching.
Fourth aspect, the embodiment of the present application provide a kind of positioning device, which includes:
At least one processor, and
The memory being connect at least one described processor；
Wherein, the memory is stored with the instruction that can be executed by least one described processor, described at least one
It manages device and realizes such as the described in any item methods of first aspect by executing the instruction of the memory storage.
Fourth aspect provides a kind of computer storage medium, is stored thereon with computer program, the computer program quilt
Such as first aspect described in any item methods are realized when processor executes.
The application determines positioning strategy before positioning, that is, selection transmission signal in three broadcast channels of Bluetooth beacon
At least one more accurate broadcast channel, that is, at least one lesser broadcast channel is influenced on signal strength, thus root
The intensity of positioning signal according to Bluetooth beacon based on more accurate at least one broadcast channel transmission is positioned also compared with subject to
Really, to improve the accuracy of positioning.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of positioning system provided by the embodiments of the present application；
Fig. 2 is the flow diagram of localization method provided by the embodiments of the present application；
Fig. 3 is a kind of structural schematic diagram of positioning device provided by the embodiments of the present application；
Fig. 4 is a kind of structural schematic diagram of positioning device provided by the embodiments of the present application.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
In the embodiment of the present application, the equipment such as bluetooth module can be set in the positioning device that needs to position.Bluetooth beacon can
To be bluetooth module known to position, Bluetooth beacon can have multiple, can be fixed in corresponding region.Referring to Figure 1, it is situated between
A kind of parking lot application scene for the embodiment of the present invention that continues.It include positioning device 101, Bluetooth beacon 102 and server in Fig. 1
103, positioning device 101 and Bluetooth beacon 102 can be communicated by respectively built-in bluetooth module.Positioning device 101
It such as can be terminal device such as mobile phone, Bluetooth beacon 102 can be fixed on any position in parking lot, server 103
The server of managing system of car parking offer is provided, can be located in the parking lot, can also be located at belonging to the parking lot
The other positions of building, for Fig. 1 by taking server is located in the parking lot as an example, positioning device 101 and Bluetooth beacon 102 can be with
Server 103 communicates.Multiple Bluetooth beacons 102, number of the embodiment of the present invention to Bluetooth beacon 102 can be set in parking lot
With no restriction, for Fig. 1 by taking one of Bluetooth beacon 102 as an example, which is fixed on its of the parking lot for amount and position
In on a parking stall.
Technical solution provided by the embodiments of the present application is introduced with reference to the accompanying drawing, in the following description with shown in FIG. 1
For application scenarios, certain localization method provided by the present application can also apply and other application scenarios, such as market etc..
Fig. 2 is referred to, the embodiment of the present application provides a kind of localization method, and the process of this method is described as follows.
Step S201, positioning strategy is determined, wherein positioning strategy is used to indicate used by each Bluetooth beacon positioning extremely
A few broadcast channel.
In one embodiment, positioning device 101 is provided with bluetooth module, and multiple Bluetooth beacons 102 are fixed on parking
At the different location of field.Positioning device 101 can multiple Bluetooth beacons 102 into parking lot send positioning instruction, Mei Gelan
Tooth beacon 102 feeds back positioning signal to positioning device 101 based on the positioning signal that positioning device 101 is sent.Positioning device 101 can
To detect the intensity of received positioning signal, and the application can obtain in advance each Bluetooth beacon 102 signal strength and away from
Corresponding relationship between, so that the intensity of positioning signal and corresponding relationship can determine positioning device 101 based on the received
The distance between positioning device 101 and each Bluetooth beacon 102.Another positioning device 101 can obtain each Bluetooth beacon 102
Position, thus the position based on a Bluetooth beacon 102, and with three Bluetooth beacons 102 including this Bluetooth beacon 102
Distance, determine from 101 position of positioning device, realize positioning.
For example, positioning device 101 can send broadcast singal when positioning device 101 needs to position, which is fixed
The Location Request of position equipment 101.Part Bluetooth beacon 102 in parking lot receives broadcast singal can be with positioning device 101
Communication connection is established, Bluetooth beacon 102 can receive Location Request transmitted by positioning device 101 by the communication connection,
After receiving the Location Request, Bluetooth beacon 102 can send positioning signal to positioning device 101, so that positioning device 101 can be with
According to the corresponding relationship of the intensity of the positioning signal and signal strength and distance, positioning device 101 and Bluetooth beacon are determined
The distance between 102, in addition the location information of Bluetooth beacon 102 is obtained, so that it is determined that the position where positioning device 101.
There are three broadcast channels for the tool of Bluetooth beacon 102, and Bluetooth beacon 102 feeds back positioning signal to positioning device 101 at present
It is all to send out positioning signal by these three broadcast channels, and default the signal strength of these three broadcast channels and pair of distance at present
It should be related to and be consistent.But in actual scene, Bluetooth beacon 102 is due to disturbing factor existing in scene or bluetooth
Beacon 102 causes Bluetooth beacon 102 may be different in the transmission power of different broadcast channels due to the factor of production technology.
Such as there may be the factors for interfering some broadcast channel (such as first broadcast channel) in scene, and the first broadcast channel is caused to pass
The remitted its fury of signal when defeated signal, so that positioning device 101 is also subtracted by the intensity of the positioning signal of the broadcast channel transmission
It is small.But other two broadcast channel (such as second broadcast channel, third broadcast channel) of the Bluetooth beacon 102 is passed
The influence of defeated signal is smaller, then between the intensity of the positioning signal of other second broadcast channel, third broadcast channel transmission
Difference is just smaller, at this time the signal strength of the positioning signal of the first broadcast channel transmission, broadcasts with the second broadcast channel and third
The signal strength gap of the positioning signal of transmission is larger, if at this time again by the signal strength of the first broadcast channel with away from
From corresponding relationship, determine the accuracy of the distance between positioning device 101 and Bluetooth beacon 102 with regard to lower.
In consideration of it, the positioning device 101 in the embodiment of the present application can determine positioning strategy, also before being positioned
It is to send positioning signal using at least one lesser broadcast channel of transmission signal interference when specified Bluetooth beacon 102 positions,
And the corresponding relationship of the signal strength and distance based at least one broadcast channel determines positioning device 101 and Bluetooth beacon
The distance between 102.
In possible embodiment, positioning device 101 can determine that Bluetooth beacon 102 is fixed before determining positioning strategy
At least one broadcast channel used when position.Specifically, each Bluetooth beacon that positioning device 101 can be arranged into parking lot
102 send broadcast singals, request be attached with Bluetooth beacon 102, after Bluetooth beacon 102 receives broadcast singal, with calmly
Position equipment 101 establishes connection.By taking one of Bluetooth beacon 102 as an example, positioning device 101 is connected with Bluetooth beacon 102
After connecing, it can execute:
Step S2011, positioning device 101 sends test instruction to the Bluetooth beacon 102, and test instruction is used to indicate each
Bluetooth beacon sends broadcast message by three broadcast channels of itself.After Bluetooth beacon 102 receives test instruction, respectively
37,38,39 channels in three broadcast channels of itself, such as in 4.2 agreement of bluetooth, corresponding frequency point be respectively 2402M,
2426M, 2480M send test signal.
Step S2012, positioning device 101 receives the test signal from the Bluetooth beacon 102 based on test instruction feedback；
Wherein, test signal is that each Bluetooth beacon 102 is sent by three broadcast channels respectively.
Step S2013, positioning device 101 obtains the signal strength of the test signal from three broadcast channels respectively, with
The distance between and obtain each Bluetooth beacon and positioning device, and determine the signal strength of each broadcast channel and pair of distance
It should be related to, obtain three pairs of corresponding relationships.
Specifically, the application can measure each Bluetooth beacon 102 and determine after deploying each Bluetooth beacon 102
The distance between position equipment 101.It, can be with after positioning device 101 obtains the signal strength of test signal of each broadcast channel
Obtain the distance between the Bluetooth beacon 102 being previously stored.Alternatively, the application measures each Bluetooth beacon 102 and positioning
After the distance between equipment 101, measurement distance is stored to server 103, in this case, positioning device 101 can be from clothes
Business device 103 obtains the distance between Bluetooth beacon 102.
Step S2014, determine that Bluetooth beacon 102 positions at least two broadcast channels used based on three pairs of corresponding relationships,
Wherein, at least two broadcast channels include at least one broadcast channel of positioning strategy instruction.
Positioning device 101 can determine the signal strength of the test signal of the broadcast channel transmission for each broadcast channel
With the corresponding relationship of distance or three pairs of corresponding relationships, so that it is used to determine that Bluetooth beacon 102 positions based on three pairs of corresponding relationships
At least two broadcast channels.For example, it may be possible to embodiment in, positioning device 101 can first respectively believe three broadcast
Road curve matching is done by the formula (1) of curve matching respectively.
D=10^ (RSSI-A)/(10*N) (1)
In formula (1), D indicates distance, and RSSI indicates the signal strength of test signal, and A is one meter of reception of bluetooth module
Intensity, the N environmental attenuation factor.
Positioning device 101 has determined that D and RSSI is substituted into formula (1), solves N, A.Positioning device 101 is directed to each broadcast
Channel can be used multiple groups D and RSSI and solve N, A, and seek the average value of A, so that the fitting for obtaining each broadcast channel is bent
Line, the corresponding relationship of id signal intensity and distance.
After positioning device 101 obtains three pairs of corresponding relationships, by corresponding relationship (formula (1)) two two-phases of three broadcast channels
Subtract, in three formula newly obtained, distance is calculated in the value interval of certain signal strength, and calculate apart from variable most
Big value, this maximum value is exactly the worst error of distance between two broadcast channels.When the data of maximum value are less than the precision of definition
Error, it is judged that the two broadcast channels are efficient channel, that is, the lesser broadcast channel of error, thus Bluetooth beacon
102 are positioned using the two broadcast channels, and the accuracy of positioning is higher.In the embodiment of the present application Bluetooth beacon 102 away from
Information intensity is to fit to come out come rather than by formula direct derivation by practical measuring and calculating, is more in line with difference
Bluetooth coverage condition under scene.
Certainly, in the embodiment of the present application, positioning device 101 can also determine positioning strategy by server 103, as long as fixed
Position equipment 101 sends the signal strength of each broadcast channel and the corresponding relationship of distance to server 103, and server 103 can be with
The corresponding relationship of signal strength and distance based on each broadcast channel obtains three pairs of corresponding relationships, and is based on three pairs of corresponding relationships
Determine lesser at least two broadcast channel of error.After server 103 has determined at least two broadcast channels, positioning can be informed
Equipment 101 can reduce the calculation amount of positioning 101, to mitigate the burden of positioning device 101 in this way.
Step S202, positioning device 101 sends corresponding positioning strategy at least three Bluetooth beacons 102.
After positioning device 101 has determined lesser at least two broadcast channel of error, positioning strategy may further determine that,
And corresponding positioning strategy is sent to each Bluetooth beacon 102.Wherein, the quantity for the broadcast channel for including according to positioning strategy
Difference, it includes but is not limited to following methods that positioning device 101, which sends positioning strategy to each Bluetooth beacon 102,.
First way: the quantity of the broadcast channel of positioning strategy instruction is two
If the quantity of the broadcast channel of positioning strategy instruction is two, positioning device 101 can be to each bluetooth
Beacon 102 sends the identification information of any one broadcast channel of positioning strategy instruction, i.e. informing Bluetooth beacon 102 positions the used time
Positioning signal is sent by this broadcast channel.In possible embodiment, positioning device 101 can be to each Bluetooth beacon
102 send two respective identification informations of broadcast channel of positioning strategy instruction, i.e. the informing Bluetooth beacon 102 positioning used time passes through
The two broadcast channels send positioning signal, and the quantity in this case sending the broadcast channel of positioning signal is more, thus as far as possible
Guarantee that positioning device 101 can receive positioning signal.
The second way: the quantity of the broadcast channel of positioning strategy instruction is three
If the quantity of the broadcast channel of positioning strategy instruction is two, positioning device 101 can be to each bluetooth
Beacon 102 sends the identification information of any one broadcast channel of positioning strategy instruction, i.e. informing Bluetooth beacon 102 positions the used time
Positioning signal is sent by this broadcast channel.In possible embodiment, positioning device 101 can be to each Bluetooth beacon
102 send the respective identification information of any two in three broadcast channels of positioning strategy instruction, i.e. informing Bluetooth beacon 102 is fixed
Position the used time by the two broadcast channels send positioning signal, in this case send positioning signal broadcast channel quantity compared with
It is more, to guarantee that positioning device 101 can receive positioning signal as far as possible.Alternatively, in possible embodiment, positioning device
101 can send three respective identification informations of broadcast channel that positioning strategy indicates to each Bluetooth beacon 102, to protect as far as possible
Card positioning device 101 can receive positioning signal.
Step S203, positioning device 101 receives 102 base of each Bluetooth beacon at least three Bluetooth beacons 102
In the positioning signal that positioning strategy is sent.
Positioning device 101 when being positioned, can at least three Bluetooth beacons 102 into scene send positioning
Request message.It, can be based on itself positioning strategy to fixed after at least three Bluetooth beacons 102 receive locating request message
Position equipment 101 feeds back positioning signal, i.e., the broadcast channel indicated by respective positioning strategy sends positioning letter to positioning device 101
Number, so that positioning device 101 determines itself position based on positioning signal.
Bluetooth beacon 102 is occupied always in order to prevent, in the embodiment of the present application, positioning device 101 and Bluetooth beacon 102
Can arrange between if Bluetooth beacon 102 receive test instruction after, Location Request is not received by preset time period,
Then Bluetooth beacon 102 can actively disconnect the connection relationship between positioning device 101.In possible embodiment, positioning is set
Standby 101 can be with communication protocol of reaching an agreement between Bluetooth beacon 102, such as tests the format of instruction, so that Bluetooth beacon 102 receives
After instructing to test, test instruction is parsed, identifies it is after test instructs, to determine if being not received by within a preset period of time
Position request, then Bluetooth beacon 102 can actively disconnect the connection relationship between positioning device 101, with prevent other equipment into
Row connection.
Step S204, positioning signal determines 101 position of positioning device to positioning device 101 based on the received.
After positioning device 101 receives positioning signal, the signal strength of positioning signal can detecte, according to the signal strength
And the relationship between the signal strength and distance of Bluetooth beacon 102 determines the distance between Bluetooth beacon 102, thus really
Positioning device 101 is determined and the distance between three Bluetooth beacons 102 has been determined, and wherein any one Bluetooth beacon 102
Position coordinates, so that it may determine 101 position of positioning device.
In possible embodiment, after each Bluetooth beacon 102 is affixed one's name to inside the scene, positioning device 101 or other
The MAC Address of each Bluetooth beacon 102 and location information can be sent to server 103 by possible equipment, so as to
The location information of each Bluetooth beacon 102 is determined according to MAC Address by server 103.
In the embodiment of the present application, each Bluetooth beacon 102 is with being correspondingly arranged at least two media access control MAC
Location, in possible embodiment, each Bluetooth beacon 102 can store at least two outside it or in internal memory
MAC Address.Positioning device 101 is established after sending test instruction to each Bluetooth beacon 102 with each Bluetooth beacon 102
After successful connection, at least two MAC Address of the available each Bluetooth beacon 102 of positioning device 101, and by least two
The location information of MAC Address and each Bluetooth beacon 102 is sent to server 103, so that server 103 establishes at least two
The corresponding relationship of MAC Address and location information.
And Bluetooth beacon 102 can switch used MAC Address at random, such as Bluetooth beacon 102 is there are two MAC
Location, for positioning device 101 when sending the request for obtaining MAC Address to Bluetooth beacon 102 at the first moment, Bluetooth beacon 102 can be with
First MAC Address is fed back to positioning device 101, and if positioning device 101 obtains at the second moment to the transmission of Bluetooth beacon 102
MAC Address is taken, Bluetooth beacon 102 can feed back second MAC Address to positioning device 101.Namely Bluetooth beacon 102 is
One moment used the first MAC Address, used the second MAC Address at the second moment.
Bluetooth beacon 102 reads at least two MAC Address in initialization, and one of address is taken to be used as at random
The MAC Address of beginning, and location tasks are set, such as a random moment starts the MAC Address using starting whithin a period of time
Execution task.Such as when having arrived this execution location tasks, randomly select other MAC at least two MAC Address
Address as new MAC Address, and so on, at least two MAC Address will be in the random time into random at least two
MAC Address switching.
In the embodiment of the present application, the rule of switching MAC Address can be arranged in Bluetooth beacon 102 in advance, such as when default
Between switch MAC Address at random in section.In this way if when other users will use the Bluetooth beacon 102 affixed one's name to inside scene, because
Positioning device 101 is usually Bluetooth beacon 102 that is mobile, affixing one's name to inside the scanning scene of previous moment positioning device 101, is determined
The MAC Address of first Bluetooth beacon 102, and the first Bluetooth beacon 102 has been determined from server 103 by the MAC Address
Location information, but in later moment in time, if the MAC Address of the first Bluetooth beacon 102 has switched just, other users are just
It can not find the first Bluetooth beacon 102 that eve is scanned, so as to cause positioning failure, this prevents other users to usurp
The Bluetooth beacon 102 that the application is disposed positions.
Specifically, in the embodiment of the present application, positioning signal determines 101 institute of positioning device to positioning device 101 based on the received
At position, the MAC Address of each Bluetooth beacon 102 in available at least three Bluetooth beacon 102 of positioning device 101,
And at least three Bluetooth beacons, 102 respective positions information is obtained from server 103 based on MAC Address, and be based on each bluetooth
The intensity of 102 respective positions information of beacon, the corresponding relationship of signal strength and distance and positioning signal determines that positioning is set
Standby position.
Positioning device 101, can when obtaining the MAC Address of each Bluetooth beacon 102 at least three Bluetooth beacons 102
To send acquisition request message to each Bluetooth beacon 102, the acquisition request message is for obtaining each Bluetooth beacon 102
MAC Address.After Bluetooth beacon 102 receives acquisition request message, currently used MAC Address is sent to positioning device
101, so that the MAC Address that positioning device 101 will acquire is sent to server 103, with the position of request Bluetooth beacon 102
Information.Although the MAC Address of each Bluetooth beacon 102 is changing, server 103 is stored for each Bluetooth beacon
102 so the corresponding relationship of MAC Address and position coordinates, so what is obtained regardless of positioning device 101 is Bluetooth beacon 102
Which MAC Address, the available time location information for zooming out beacon 102 of server 103.
In practice, due to the limited coverage area of Bluetooth beacon 102, in order to better grasp the position of positioning device 101
Situation is set, can be set according to actual needs multiple Bluetooth beacons 102.For example, on gentle rectilinear stretch, Bluetooth beacon
102 can be arranged one every several meters, and in corner, Bluetooth beacon 102 can be set more more intensive, for example can turn
Curved place is every 1 to 2 meters of settings, one Bluetooth beacon 102.The position sum number that Bluetooth beacon 102 is arranged in the embodiment of the present application
Amount etc. with no restriction, can be arranged according to actual needs.
After Bluetooth beacon 102 is set, due to Bluetooth beacon 102 position it is known that and Bluetooth beacon 102 have it is multiple
MAC Address, therefore multiple MAC Address of Bluetooth beacon 102 and the position of Bluetooth beacon 102 can be stored in advance in server 103
Between corresponding relationship.Wherein, server 103 can be server provided by managing system of car parking, it can be used for management of
Parking lot.When positioning device 101 is positioned, test instruction first can be sent to each Bluetooth beacon 102, with basis
Bluetooth beacon 102 based on test instruction by it is respective be three broadcast channels transmission broadcast message determine each Bluetooth beacon
102 positioning strategy.Determining positioning strategy can be sent to corresponding each Bluetooth beacon 102 by positioning device 101, to accuse
Know that Bluetooth beacon 102 sends positioning signal according to positioning strategy.When positioning device 101 enters parking lot and moves in parking lot
When, the bluetooth module in positioning device 101 can periodically send Location Request, and when positioning device 101 and any one is blue
When the distance between tooth beacon 102 meets the requirement that short-range communication mode is adjusted the distance, which can receive fixed
Positioning signal can be sent to positioning device 101 according to positioning strategy according to the Location Request by position request, Bluetooth beacon 102
Bluetooth module.The MAC Address of the available Bluetooth beacon 102 of positioning device 101 simultaneously, and pass through the MAC Address to service
The location information of the acquisition Bluetooth beacon 102 of device 103.Server 103 inquires pre-stored corresponding relationship according to MAC Address, if
Location information corresponding with the MAC Address is inquired, then the location information of inquiry can be sent to positioning device by server 103
101, as long as thus positioning device 101 obtain three Bluetooth beacons 102 positioning signal signal strength and signal strength with
The corresponding relationship of distance, the location information of Bluetooth beacon 102 are assured that 101 position of positioning device.
To sum up, the application determines positioning strategy before positioning, that is, selects to pass in three broadcast channels of Bluetooth beacon
At least one more accurate broadcast channel of defeated signal, that is, at least one lesser broadcast channel is influenced on signal strength,
To which the intensity of the positioning signal according to Bluetooth beacon based on more accurate at least one broadcast channel transmission is positioned
It is more accurate, to improve the accuracy of positioning.
Bluetooth beacon in the application can carry out the switching of MAC Address when positioning, compared to not changeable MAC
The deployment way of address, the application can effectively prevent other people and steal the deployment way of Bluetooth beacon.
Equipment provided in an embodiment of the present invention is introduced with reference to the accompanying drawings of the specification
Fig. 3 is referred to, based on the same inventive concept, one embodiment of the invention provides a kind of positioning device, the positioning device
It can be the terminal devices such as mobile phone, be also possible to that the other equipment of bluetooth module are installed, which may include: first true
Order member 301, transmission unit 302, receiving unit 303 and the second determination unit 304, wherein the first determination unit 301 is for true
Determine positioning strategy, wherein positioning strategy is used to indicate at least one broadcast channel used by each Bluetooth beacon positions；It sends
Unit 302 is used to send corresponding positioning strategy at least three Bluetooth beacons；Receiving unit 303 is for receiving from every
The positioning signal that a Bluetooth beacon is sent based on positioning strategy；Second determination unit 304 is true for positioning signal based on the received
Determine positioning device position.
Optionally, the first determination unit 301 is also used to:
Test instruction is sent to each of at least three Bluetooth beacons Bluetooth beacon, test instruction is used to indicate each
Bluetooth beacon sends broadcast message by corresponding broadcast channel；
Receive the test signal from each Bluetooth beacon based on test instruction feedback；Wherein, test signal is each indigo plant
Tooth beacon passes through what three broadcast channels were sent respectively；
For each Bluetooth beacon, the signal strength of the test signal from three broadcast channels is obtained respectively, and is obtained
The distance between each Bluetooth beacon and positioning device are taken, and determines that the signal strength of each broadcast channel is corresponding with distance and closes
System, obtains three pairs of corresponding relationships；
Bluetooth beacon positioning at least two broadcast channels used are determined based on three pairs of corresponding relationships, wherein at least two
Broadcast channel includes at least one broadcast channel of positioning strategy instruction.
Optionally, the first determination unit 301 is specifically used for:
Three pairs of corresponding relationships are sent to server, wherein each pair of corresponding relationship is used to indicate each of each Bluetooth beacon
The signal strength of broadcast channel and the corresponding relationship of distance；
It receives and determines at least two broadcast channels based on three pairs of corresponding relationships from server.
Optionally, transmission unit 302 is specifically used for:
The mark for any one broadcast channel that corresponding positioning strategy indicates is sent at least three Bluetooth beacons
Information；Or,
It is respective that at least two broadcast channels that corresponding positioning strategy indicates are sent at least three Bluetooth beacons
Identification information.
Optionally, transmission unit 302 is also used to:
Obtain at least two MAC Address of Bluetooth beacon setting；
The corresponding relationship of at least two MAC Address and the location information of Bluetooth beacon is sent to server, to pass through clothes
Business device obtains the position of Bluetooth beacon according to the MAC address in two MAC Address.
Optionally, the second determination unit 304 is specifically used for:
The MAC Address of each Bluetooth beacon at least three Bluetooth beacons is obtained, and is obtained based on MAC Address from server
Take at least three Bluetooth beacon respective positions information；
For each Bluetooth beacon at least three Bluetooth beacons, based on each Bluetooth beacon respective positions information,
The intensity of the corresponding relationship and positioning signal of signal strength and distance, determines positioning device position.
Optionally, the second determination unit 304 is specifically used for:
Acquisition request message is sent to each Bluetooth beacon, wherein acquisition request message is for obtaining each Bluetooth beacon
MAC Address；
Receive the MAC Address from each Bluetooth beacon, wherein the received indigo plant of different moments institute within a preset period of time
The MAC Address of tooth beacon is identical or different, and the MAC Address of Bluetooth beacon switches at random between at least two MAC Address.
Fig. 4 is referred to, based on the same inventive concept, one embodiment of the invention provides a kind of positioning device, the positioning device
It can be the terminal devices such as mobile phone, be also possible to that the other equipment of bluetooth module are installed, which may include: at least one
A processor 401, processor 401 are provided in an embodiment of the present invention for realizing when executing the computer program stored in memory
The step of localization method as shown in Figure 2.
Optionally, processor 401 specifically can be central processing unit, application-specific integrated circuit (English:
Application Specific Integrated Circuit, referred to as: ASIC), it can be one or more for controlling journey
The integrated circuit that sequence executes.
Optionally, which further includes the memory 402 connecting at least one processor, and memory 402 can be with
Including read-only memory (English: Read Only Memory, abbreviation: ROM), random access memory (English: Random
Access Memory, referred to as: RAM) and magnetic disk storage.The number required when being run for storage processor 401 of memory 402
According to being stored with the instruction that can be executed by least one processor 401, at least one processor 401 is by executing memory 402
The instruction of storage executes method as shown in Figure 2.Wherein, the quantity of memory 402 is one or more.Wherein, memory
402 show together in Fig. 4, but it is understood that memory 402 is not essential functional module, therefore with void in Fig. 4
Line is shown.
Wherein, corresponding to the first determination unit 301, transmission unit 302, receiving unit 303 and the second determination unit 304
Entity device may each be processor 401 above-mentioned.The positioning device can be used for executing provided by embodiment shown in Fig. 2
Method.Therefore the function of can be realized about each functional module in the equipment, can refer to corresponding in embodiment shown in Fig. 2
Description, seldom repeats.
The embodiment of the present invention also provides a kind of computer storage medium, wherein computer storage medium is stored with computer
Instruction, when computer instruction is run on computers, so that computer executes method as described in Figure 2.
It is apparent to those skilled in the art that for convenience and simplicity of description, only with above-mentioned each function
The division progress of module can according to need and for example, in practical application by above-mentioned function distribution by different function moulds
Block is completed, i.e., the internal structure of device is divided into different functional modules, to complete all or part of function described above
Energy.The specific work process of the system, apparatus, and unit of foregoing description, can be with reference to corresponding in preceding method embodiment
Journey, details are not described herein.
In several embodiments provided by the present invention, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the module or unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
It is each that equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute the application
The all or part of the steps of embodiment the method.And storage medium above-mentioned includes: general serial bus USB
(Universal Serial Busflash disk), mobile hard disk, read-only memory (Read-Only Memory, ROM), with
Machine accesses various Jie that can store program code such as memory (Random Access Memory, RAM), magnetic or disk
Matter.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of localization method based on bluetooth is applied to electronic equipment characterized by comprising
Determine positioning strategy, wherein it is wide that the positioning strategy is used to indicate used by the positioning of each Bluetooth beacon at least one
Broadcast channel；
Corresponding positioning strategy is sent at least three Bluetooth beacons；
Receive the positioning signal sent from each Bluetooth beacon based on the positioning strategy；
The positioning signal determines the positioning device position based on the received.
2. the method as described in claim 1, which is characterized in that before determining positioning strategy, further includes:
Test instruction is sent to each of at least three Bluetooth beacons Bluetooth beacon, the test instruction is used to indicate
Each Bluetooth beacon sends broadcast message by corresponding broadcast channel；
Receive the test signal from each Bluetooth beacon based on the test instruction feedback；Wherein, the test signal
Pass through what three broadcast channels were sent respectively for each Bluetooth beacon；
For each Bluetooth beacon, the signal strength of the test signal from three broadcast channels is obtained respectively, with
And obtain the distance between each Bluetooth beacon and the positioning device, and determine each broadcast channel signal strength and
The corresponding relationship of distance obtains three pairs of corresponding relationships；
The Bluetooth beacon positioning at least two broadcast channels used are determined based on three pairs of corresponding relationships, wherein described
At least two broadcast channels include at least one broadcast channel of the positioning strategy instruction.
3. method according to claim 2, which is characterized in that determine that the Bluetooth beacon is fixed based on three pairs of corresponding relationships
At least two broadcast channels used in position, comprising:
Three pairs of corresponding relationships are sent to server, wherein each pair of corresponding relationship is used to indicate each broadcast of each Bluetooth beacon
The signal strength of channel and the corresponding relationship of distance；
It receives and at least two broadcast channel is determined based on three pairs of corresponding relationships from the server.
4. method as claimed in claim 3, which is characterized in that it is corresponding described fixed to send at least three Bluetooth beacons
Position strategy, comprising:
Any one broadcast channel that corresponding positioning strategy indicates is sent at least three Bluetooth beacon
Identification information；Or,
It is each that at least two broadcast channels that corresponding positioning strategy indicates are sent at least three Bluetooth beacon
From identification information.
5. method as claimed in claim 3, which is characterized in that after sending test instruction to each Bluetooth beacon,
Further include:
Obtain at least two MAC address of the Bluetooth beacon setting；
The corresponding relationship of at least two MAC Address and the location information of the Bluetooth beacon is sent to the server,
The position of the Bluetooth beacon is obtained according to the MAC address in described two MAC Address by the server.
6. method as claimed in claim 5, which is characterized in that the positioning signal determines the positioning device based on the received
Position, comprising:
Obtain the MAC Address of each Bluetooth beacon at least three Bluetooth beacon, and based on the MAC Address from described
Server obtains at least three Bluetooth beacons respective positions information；
For each Bluetooth beacon at least three Bluetooth beacon, based on each Bluetooth beacon respective positions letter
The intensity of breath, the corresponding relationship of signal strength and distance and the positioning signal, determines the positioning device position.
7. method as claimed in claim 6, which is characterized in that obtain each bluetooth letter at least three Bluetooth beacon
Target MAC Address, comprising:
Acquisition request message is sent to each Bluetooth beacon, wherein the acquisition request message is described each for obtaining
The MAC Address of Bluetooth beacon；
Receive the MAC Address from each Bluetooth beacon, wherein the received indigo plant of different moments institute within a preset period of time
The MAC Address of tooth beacon is identical or different, and the MAC Address of the Bluetooth beacon is random between at least two MAC Address
Switching.
8. a kind of positioning device characterized by comprising
First determination unit, for determining positioning strategy, wherein the positioning strategy is used to indicate each Bluetooth beacon positioning institute
At least one broadcast channel used；
Transmission unit, for sending corresponding positioning strategy at least three Bluetooth beacons；
Receiving unit, for receiving the positioning signal sent from each Bluetooth beacon based on the positioning strategy；
Second determination unit determines the positioning device position for the positioning signal based on the received.
9. a kind of positioning device characterized by comprising
At least one processor, and
The memory being connect at least one described processor；
Wherein, the memory is stored with the instruction that can be executed by least one described processor, at least one described processor
The method according to claim 1 to 7 is realized in instruction by executing the memory storage.
10. a kind of computer storage medium, is stored thereon with computer program, which is characterized in that the computer program is located
Reason device realizes the method according to claim 1 to 7 when executing.
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| CN201811583190.9A CN109451579A (en) | 2018-12-24 | 2018-12-24 | A kind of localization method and equipment based on bluetooth |
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Effective date of registration: 20200108 Address after: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Applicant after: Jingxin Communication System (China) Co., Ltd. Address before: 510663 Shenzhou Road, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangdong, 10 Applicant before: Jingxin Communication System (China) Co., Ltd. Applicant before: Jingxin Communication System (Guangzhou) Co., Ltd. Applicant before: Jingxin Communication Technology (Guangzhou) Co., Ltd. Applicant before: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. |
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Application publication date: 20190308 |