CN106255062B - The construction method and device in a kind of indoor locating system location fingerprint library - Google Patents
The construction method and device in a kind of indoor locating system location fingerprint library Download PDFInfo
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- CN106255062B CN106255062B CN201610640945.9A CN201610640945A CN106255062B CN 106255062 B CN106255062 B CN 106255062B CN 201610640945 A CN201610640945 A CN 201610640945A CN 106255062 B CN106255062 B CN 106255062B
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- 238000005070 sampling Methods 0.000 claims abstract description 73
- 238000013507 mapping Methods 0.000 claims abstract description 29
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- 238000012545 processing Methods 0.000 claims description 22
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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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
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Abstract
The present embodiments relate to fields of communication technology, more particularly to the construction method and device in a kind of indoor locating system location fingerprint library, it include: the first sample information for receiving acquisition terminal and reporting, obtain the second sample information corresponding with the first sample information for reporting of access point apparatus, which includes at least: access point apparatus identification information, the uplink signal strength value of access point apparatus, acquisition terminal identification information；The mapping relations that sampled point is established according to the first sample information and the second sample information, using mapping relations as the location fingerprint information of sampled point, to construct the location fingerprint library of indoor locating system.It can be seen that, due in the fingerprint base of position, access point apparatus identification information, the uplink signal strength of access point apparatus are corresponding with sampling point position information, therefore can be applied to simultaneously in the indoor positioning application of non-cell combining system and cell combining system, to expand the range of indoor positioning application.
Description
Technical field
The present embodiments relate to the buildings in field of communication technology more particularly to a kind of indoor locating system location fingerprint library
Method and apparatus.
Background technique
With quickly universal and mobile Internet the rapid development of intelligent terminal, the application based on indoor location service by
To the extensive concern of industry.With gradualling mature for indoor positioning technologies, the various applications based on this technology enter into day successively
Often life, such as the push of indoor navigation, store promotional information, application and influence will be no less than outdoor location service.
There are many indoor positioning technologies methods, and what application was more at present is the location fingerprint positioning skill based on wireless signal
Art, this method include two processes: offline building location fingerprint library and tuning on-line calculate；Offline building location fingerprint library, i.e.,
The radio characteristics signal strength indication of each location point is first acquired based on indoor map, constructs location fingerprint database；Tuning on-line
It calculates, i.e., the reference point sample in radio characteristics sample of signal and location fingerprint library database reported terminal carries out similitude
Positioning is realized in matching, computing terminal position；Therefore, terminal acquisition radio characteristics signal strength is come to construct location fingerprint library be base
In a significant process of location fingerprint indoor positioning calculation method.
In existing radio characteristics signal strength acquisition technique, focus primarily upon wireless to acquire the downlink of wireless access point
Signal strength constructs location fingerprint database, although these methods are applicable in the indoor positioning application of non-cell combining system, but
It can not be suitable for the indoor positioning application of cell combining system.It is therefore proposed that a kind of both supported non-cell combining system or supported
The radio characteristics signal strength acquisition method of the indoor positioning application of cell combining system, which is then that the prior art is urgently to be resolved, asks
Topic.
Summary of the invention
The embodiment of the present invention provides the construction method and device in a kind of indoor locating system location fingerprint library, to realize both
Radio characteristics signal strength can be acquired under non-cell combining system, and radio characteristics signal can also be acquired under cell combining system
Intensity, to expand the range of indoor positioning application.
The embodiment of the present invention provides a kind of construction method in indoor locating system location fingerprint library, comprising:
The first sample information that acquisition terminal reports is received, first sample information includes at least: sample confidence
The identification information of breath, acquisition terminal；
According to the identification information of the acquisition terminal, acquisition access point apparatus reports corresponding with first sample information
The second sample information, second sample information includes at least: described access point equipment identification information, described access point equipment
Uplink signal strength value, the acquisition terminal identification information；
The mapping relations of the sampled point are established according to first sample information and second sample information, it is described to reflect
Penetrate includes described access point equipment identification information, the uplink signal strength value of described access point equipment and the sampled point in relationship
Location information；
Using the mapping relations as the location fingerprint information of the sampled point, the location fingerprint of indoor locating system is constructed
Library.
Preferably, first sample information further includes the position sampling time of acquisition terminal；Second sample information
It further include the signal sampling time of described access point equipment；
According to the identification information of the acquisition terminal, acquisition access point apparatus reports corresponding with first sample information
The second sample information, comprising:
It is determined from the sample information that access point apparatus reports and the identification information of the acquisition terminal and the acquisition
The position sampling time corresponding sample information of terminal, as the second sample information corresponding with first sample information.
Preferably, further include:
Obtain the starting sample dot position information and terminate sampling point position information that the acquisition terminal reports；
Information according to the map determines the starting sample point and the acquisition path terminated between sampled point；
Obtain the third sample information that access point apparatus corresponding with the acquisition path reports, the third sample information
For received described access point equipment identification information in this section of path acquisition time, the uplink signal strength of described access point equipment
The sample group of value and signal sampling time composition；
The acquisition path is divided at least one virtual sampled point；
According to the starting sample point, the number for terminating sampled point and virtual sampled point, by the acquisition path
The third sample information that corresponding access point apparatus reports is divided according to the sequencing of signal sampling time, described in determination
Sub-sampling information corresponding to starting sample point, the termination sampled point and each virtual sampled point, to establish the starting
Sampled point, the location fingerprint information for terminating sampled point and each virtual sampled point.
Preferably, after obtaining the second sample information that the access point apparatus that the acquisition terminal searches is sent, also
Include:
The uplink signal strength value of described access point equipment in second sample information is filtered and
Smoothing processing；
According to the identification information of the acquisition terminal, acquisition access point apparatus reports corresponding with first sample information
The second sample information, comprising:
Obtain preliminary second sample information corresponding with first sample information that described access point equipment reports；
Preliminary second sample information is filtered and smoothing processing, is obtained and first sample information
Corresponding second sample information.
Preferably, further include:
Start to receive the acquisition data that access point apparatus reports after receiving the initiation command that the acquisition terminal is sent；
It receives the stopping of ceasing and desisting order that the acquisition terminal is sent and receives the acquisition data that access point apparatus reports.
The embodiment of the present invention also provides a kind of localization method using indoor locating system location fingerprint library, comprising:
The request message that access point apparatus is sent is received, includes that at least one access point apparatus identifies in the request message
The uplink signal strength value of information and described access point equipment；The uplink signal strength value is described access point equipment according to connecing
What the up-link wireless detectable signal that the terminal received is sent was calculated；
According to the uplink signal strength value of described access point equipment identification information and described access point equipment, it is indoor fixed to inquire
The location fingerprint library of position system, the determining uplink signal strength with described access point equipment identification information, described access point equipment
It is worth N number of position corresponding to the uplink signal strength value of most like N number of access point apparatus identification information, N number of access point apparatus
Information, N are positive integer；
It is weighted N number of location information to obtain the location information of terminal.
Preferably, after N number of location information to be weighted to obtain the location information of terminal, further includes:
The location information of the terminal is stored in database.
The embodiment of the present invention also provides a kind of construction device in indoor locating system location fingerprint library, comprising:
Receiving module, the first sample information reported for receiving acquisition terminal, first sample information include at least:
The identification information of sampling point position information, acquisition terminal；
It is also used to the identification information according to the acquisition terminal, what acquisition access point apparatus reported believes with first sampling
Corresponding second sample information is ceased, second sample information includes at least: described access point equipment identification information, the access
The identification information of the uplink signal strength value of point device, the acquisition terminal；
Mapping block, for establishing reflecting for the sampled point according to first sample information and second sample information
Relationship is penetrated, includes the uplink signal strength of described access point equipment identification information, described access point equipment in the mapping relations
Value and the sampling point position information；
It is also used to construct the position of indoor locating system using the mapping relations as the location fingerprint information of the sampled point
Set fingerprint base.
Preferably, first sample information further includes the position sampling time of acquisition terminal；Second sample information
It further include the signal sampling time of described access point equipment；
The receiving module, is specifically used for:
It is determined from the sample information that access point apparatus reports and the identification information of the acquisition terminal and the acquisition
The position sampling time corresponding sample information of terminal, as the second sample information corresponding with first sample information.
Preferably, the receiving module, is also used to:
Obtain the starting sample dot position information and terminate sampling point position information that the acquisition terminal reports；
Information according to the map determines the starting sample point and the acquisition path terminated between sampled point；
Obtain the third sample information that access point apparatus corresponding with the acquisition path reports, the third sample information
For received described access point equipment identification information in this section of path acquisition time, the uplink signal strength of described access point equipment
The sample group of value and signal sampling time composition；
The mapping block, is also used to:
The acquisition path is divided at least one virtual sampled point；
According to the starting sample point, the number for terminating sampled point and virtual sampled point, by the acquisition path
The third sample information that corresponding access point apparatus reports is divided according to the sequencing of signal sampling time, described in determination
Sub-sampling information corresponding to starting sample point, the termination sampled point and each virtual sampled point, to establish the starting
Sampled point, the location fingerprint information for terminating sampled point and each virtual sampled point.
Preferably, the receiving module, is also used to: obtaining what the access point apparatus that the acquisition terminal searches was sent
After second sample information, the uplink signal strength value of the described access point equipment in second sample information is filtered
Processing and smoothing processing；
The receiving module, is specifically used for:
Obtain preliminary second sample information corresponding with first sample information that described access point equipment reports；
Preliminary second sample information is filtered and smoothing processing, is obtained and first sample information
Corresponding second sample information.
Preferably, the receiving module, is also used to:
Start to receive the acquisition data that access point apparatus reports after receiving the initiation command that the acquisition terminal is sent；
It receives the stopping of ceasing and desisting order that the acquisition terminal is sent and receives the acquisition data that access point apparatus reports.
The embodiment of the present invention also provides a kind of location-server using indoor locating system location fingerprint library, comprising:
Receiving module is also used to receive the request message of access point apparatus transmission, includes at least one in the request message
The uplink signal strength value of a access point apparatus identification information and described access point equipment；The uplink signal strength value is described
Access point apparatus is calculated according to the up-link wireless detectable signal that the terminal received is sent；
Locating module, for the uplink signal strength according to described access point equipment identification information and described access point equipment
Value, inquires the location fingerprint library of indoor locating system, it is determining with described access point equipment identification information, described access point equipment
The most like N number of access point apparatus identification information of uplink signal strength value, the uplink signal strength value institute of N number of access point apparatus are right
The N number of location information answered, N are positive integer；
It is weighted N number of location information to obtain the location information of terminal.
Preferably, further includes:
Memory module, for the location information of terminal to be stored in database.
The construction method and device in a kind of indoor locating system location fingerprint library provided by the above embodiment, comprising: receive
The first sample information that acquisition terminal reports, first sample information include at least: the mark of sampling point position information, acquisition terminal
Information is known, according to the identification information of acquisition terminal；Access point apparatus reports corresponding with the first sample information second is obtained to adopt
Sample information, second sample information include at least: access point apparatus identification information, access point apparatus uplink signal strength value,
The identification information of acquisition terminal；The mapping relations of sampled point, the mapping are established according to the first sample information and the second sample information
It include the uplink signal strength value and sampling point position information of access point apparatus identification information, access point apparatus in relationship；It will reflect
Location fingerprint information of the relationship as sampled point is penetrated, to construct the location fingerprint library of indoor locating system.As can be seen that due to
In the fingerprint base of position, access point apparatus identification information, the uplink signal strength of access point apparatus and sampling point position information pair
It answers, therefore location fingerprint library constructed through the embodiment of the present invention, non-cell combining system and cell can be applied to simultaneously
In the indoor positioning application of combination system, to expand the range of indoor positioning application.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced.
Fig. 1 is a kind of flow chart of the construction method in indoor locating system location fingerprint library provided in an embodiment of the present invention；
Fig. 2 is the path schematic diagram that a kind of pickup area provided in an embodiment of the present invention plans acquisition path in advance；
Fig. 3 is a kind of localization method process using indoor locating system location fingerprint library provided in an embodiment of the present invention
Figure；
Fig. 4 is a kind of structural representation of the construction device in indoor locating system location fingerprint library provided in an embodiment of the present invention
Figure；
Fig. 5 is a kind of structural schematic diagram of location-server provided in an embodiment of the present invention.
Specific embodiment
In order to which the purpose of the present invention, technical solution and beneficial effect is more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.
Fig. 1 illustrates a kind of construction method in indoor locating system location fingerprint library provided in an embodiment of the present invention
Flow chart, as shown in Figure 1, this method can include:
S101, the first sample information that acquisition terminal reports is received, which includes at least: sampling point position
The identification information of information, acquisition terminal.
S102, the identification information according to acquisition terminal, acquisition access point apparatus report corresponding with the first sample information
Second sample information, second sample information include at least: access point apparatus identification information, the uplink signal of access point apparatus are strong
The identification information of angle value, acquisition terminal.
S103, the mapping relations that sampled point is established according to the first sample information and the second sample information, in the mapping relations
Uplink signal strength value and sampling point position information including access point apparatus identification information, access point apparatus.
S104, using the mapping relations as the location fingerprint information of sampled point, the position for constructing indoor locating system refers to
Line library.
Specifically, acquisition terminal can cartographic information in first loading chamber, according to the indoor map information of load, by sample
The identification-information reporting of confidence breath and acquisition terminal is to acquisition server, and then acquisition server obtains each wireless access point
The identification information of the wireless signal strength value, each wireless access point that report and being accessed under each wireless access point are adopted
Collect terminal identification information, last acquisition server is according to the identification information of acquisition terminal by sampling point position information and wireless access
The uplink signal strength value of point, wireless access point identification establish mapping relations.
Acquisition terminal can also send initiation command to acquisition server, and acquisition server is receiving acquisition terminal transmission
Start to receive the acquisition data that wireless access point reports after initiation command；Acquisition terminal can also be sent to acquisition server stops life
It enables, acquisition server stops receiving the acquisition number that reports of wireless access point after receiving the ceasing and desisting order of acquisition terminal transmission
According to.
In the embodiment of the present invention, either cell combining system is also non-cell combining system, and acquisition terminal can the period
Send to property up-link wireless detectable signal, therefore each wireless access point can also periodically will be in up-link wireless signal strength indication
Acquisition server is offered, the up-link wireless signal strength indication that acquisition server reports received each wireless access point is converged
It is poly-.
Due to can search for multiple wireless access point, therefore acquisition server when acquisition terminal is located at a sampled point
When the second sample information that the first sample information and wireless access point that are reported according to acquisition terminal report establishes mapping relations,
One position coordinates can correspond to multiple wireless access point device marks, and each wireless access point device mark can correspond to one group
Uplink signal strength value can also correspond to multiple groups uplink signal strength value, such as corresponding format can be < position coordinates, wireless access
Point device mark 1, up-link wireless signal strength indication 1 ... wireless access point device mark N, up-link wireless signal strength indication N >.Nothing
In line signal acquisition process, due to the complexity of indoor propagation environment, there are certain fluctuations for signal strength, to guarantee to acquire number
According to validity, the present embodiment is filtered wireless signal sample using filtering algorithm, and the surprise in signal intensity samples is eliminated
Different value.Collected uplink signal strength value is filtered first, i.e., will be more than the uplink signal strength of certain thresholding
Value filters out, such as wireless signal strength value of the uplink signal strength value outside -100~-20 ranges is filtered out；Then when one
When a wireless access point device mark still corresponds to multiple groups uplink signal strength value, corresponding multiple groups uplink signal strength value is asked equal
The mean value is identified corresponding wireless signal strength value by value.
Acquisition server obtains the uplink letter that access point reports after obtaining the sampling point position information that acquisition terminal reports
Preliminary mapping relations are formed by after number intensity value and access point apparatus mark, can refer to table one.
Table one
By table one as can be seen that sampling point position (the x that acquisition server is reported in acquisition acquisition terminal1, y1, z1)
Afterwards, the uplink signal strength value difference -110, -80, -78 that access point apparatus mark 1 reports is obtained, access point apparatus identifies on 5
Uplink signal strength value -78 of report, uplink signal strength value -85 that access point apparatus mark 6 reports, access point apparatus mark 7
Uplink signal strength value -86 reported, the uplink signal strength value -91 that access point apparatus mark 11 reports.Acquisition server exists
Obtain the sampling point position information (x that acquisition terminal reports2, y2, z2) after, obtain the uplink signal that access point apparatus mark 8 reports
Intensity value -62, uplink signal strength value -88 that access point apparatus mark 9 reports, the uplink letter that access point apparatus mark 10 reports
Number intensity value -90.
On the basis of table one, acquisition server is to sampling point position (x1, y1, z1) corresponding to uplink signal it is strong
Angle value is filtered processing, i.e., access point apparatus is identified 1 corresponding uplink signal strength value -110 and filtered out, form table
Two.
Table two
On the basis of table two, acquisition server continues to sampling point position (x1, y1, z1) corresponding to uplink letter
Number intensity value is smoothed, i.e., access point apparatus is identified 1 corresponding uplink signal strength value -80 and -78 and carry out asking equal
Value processing, forms table three.
Table three
As can be seen that acquisition server is directed to each sampling point position coordinate, in the up-link wireless letter reported to access point
Number intensity value be filtered and smoothing processing after, it is ensured that the corresponding each access point apparatus mark of each sampling point position
Know one group of signal strength indication of lower reservation.
In embodiments of the present invention, the sampling point position information for obtaining acquisition terminal can be by manually carrying acquisition terminal
It is acquired sampling point position information, acquisition terminal can also be carried by correlation machine equipment and acquire sampling point position information.
Optionally, acquisition server can also obtain the starting sample dot position information and terminate sampled point that acquisition terminal reports
Location information, and according to indoor map information, it determines starting sample point and terminates the acquisition path between sampled point, and obtain and adopt
The third sample information that the corresponding access point apparatus in collection path reports, the third sample information are in this section of path acquisition time
The sample of received access point apparatus identification information, the uplink signal strength value of access point apparatus and signal sampling time composition
Then acquisition path is divided at least one virtual sampled point by group, finally according to starting sample point, termination sampled point and void
The number of quasi- sampled point will acquire third sample information that the corresponding access point apparatus in path reports according to the signal sampling time
Sequencing is divided, and determines starting sample point, termination sampled point and each sub-sampling corresponding to virtual sampled point is believed
Breath, to establish starting sampled point, terminate sampled point and the location fingerprint information of each virtual sampled point.
As shown in Fig. 2, manually carrying acquisition terminal, from starting point A, along acquisition path AE, E, acquisition server are pressed to terminal
The access point mark obtained during acquisition terminal is from the edge starting point A acquisition path AE E to terminal according to chronological order
Know and up-link wireless signal strength indication can be as shown in table four.
Table four:
From table four as can be seen that acquisition server is adopted in acquisition terminal from the edge starting point A according to chronological order
The access point identity and up-link wireless signal strength indication that collection path AE is obtained during E to terminal, as follows:
Obtaining the uplink signal strength value that wireless access point 5 reports is that the uplink signal that -80, wireless access point 6 reports is strong
Angle value is that the uplink signal strength value that -81, wireless access point 7 reports is the uplink signal strength that -82, wireless access point 8 reports
Value is that the uplink signal strength value that -83, wireless access point 9 reports is the uplink signal strength value that -84, wireless access point 10 reports
It is the uplink signal strength value that -86, wireless access point 12 reports for the uplink signal strength value that -85, wireless access point 11 reports
It is the uplink signal strength value that -63, wireless access point 14 reports for the uplink signal strength value that -62, wireless access point 13 reports
It is the uplink signal strength value that -65, wireless access point 16 reports for the uplink signal strength value that -64, wireless access point 15 reports
It is the uplink signal strength value that -67, wireless access point 18 reports for the uplink signal strength value that -66, wireless access point 17 reports
It is -69 for the uplink signal strength value that -68, wireless access point 19 reports.
It then will the equidistant starting sample point A, virtual sampled point B, virtual sampled point C, virtual of being divided into of acquisition path AE
Sampled point D and termination sampled point E, and assume that the position coordinates of starting sample point A point are (x3, y3, z3), virtual sampled point B point
Position coordinates be (x4, y4, z4), the position coordinates of virtual sampled point C point be (x5, y5, z5), the position of virtual sampled point D point
Coordinate is (x6, y6, z6), terminate sampled point E point position coordinates be (x7, y7, z7).It is adopted that will acquire path AE and be divided into starting
After sampling point A, virtual sampled point B, virtual sampled point C, virtual sampled point D and termination sampled point E, by acquisition server from
The uplink signal strength value that the point A wireless access point that E is obtained in the process to terminal reports is divided according to quantity, each after division
The uplink signal strength value that wireless access point identification corresponding to a virtual sampled point and wireless access point report, can refer to table
Lattice five.
Table five
From table five as can be seen that position coordinates (the x of starting sample point A3, y3, z3) corresponding access point apparatus mark 5,
Access point apparatus mark 6, access point apparatus mark 7, and the uplink signal strength value that access point apparatus 5 reports is -80, access
The uplink signal strength value that point device 6 reports is that the uplink signal strength value that -81, access point apparatus 7 reports is -82；Virtually adopt
Position coordinates (the x of sampling point B4, y4, z4) corresponding access point apparatus mark 8, access point apparatus mark 9, access point apparatus mark
10, and the uplink signal strength value that access point apparatus 8 reports is -83, the uplink signal strength value that access point apparatus 9 reports
It is -85 for the uplink signal strength value that -84, access point apparatus 10 reports；Position coordinates (the x of virtual sampled point C5, y5, z5) right
Access point apparatus mark 11, access point apparatus mark 12, the access point apparatus mark 13 answered, and access point apparatus 11 reports
Uplink signal strength value is -86, the uplink signal strength value -62 that reports of access point apparatus 12, access point apparatus 13 report
Uplink signal strength value is -63；Position coordinates (the x of virtual sampled point D6, y6, z6) corresponding access point apparatus mark 14, access
Point device mark 15, access point apparatus mark 16, and the uplink signal strength value that access point apparatus 14 reports is -64, access
The uplink signal strength value that point device 15 reports is that the uplink signal strength value that -65, access point apparatus 16 reports is -66；It terminates
Position coordinates (the x of sampled point E7, y7, z7) corresponding access point apparatus mark 17, access point apparatus identify 18, access point apparatus
Mark 19, and the uplink signal strength value that access point apparatus 17 reports is that the uplink signal that -67, access point apparatus 18 reports is strong
Angle value is that the uplink signal strength value that -68, access point apparatus 19 reports is -69；
It should be noted that can plan acquisition path in advance in pickup area according to indoor map, acquisition path can
To be straight line path, be also possible to dog leg path, can also be curved path, the embodiment of the present invention to the shape in acquisition path not
Any restriction is carried out, as long as that is, no matter the acquisition path of any shape, which is based on acquisition path according to the embodiment of the present invention, divides void
Quasi- sampled point, and the method divided to the wireless signal strength value that access point reports belongs to the embodiment of the present invention and is protected
Range.
Preferably, the first sample information that acquisition terminal reports may also include the position sampling time of acquisition terminal, wirelessly
The second sample information that access point reports may also include the signal sampling time of access point apparatus.When acquisition terminal report first
Sample information includes the position sampling time of acquisition terminal, and the second sample information that wireless access point reports includes access point apparatus
The signal sampling time when, acquisition server can according to sampling time information from the sample information that access point apparatus reports determine
The uplink signal strength that access point apparatus mark corresponding with the location information of acquisition terminal and access point apparatus report out
Value.
According to the above as can be seen that due in the fingerprint base of position, access point apparatus identification information, access point apparatus
Uplink signal strength it is corresponding with sampling point position information, therefore location fingerprint library constructed through the embodiment of the present invention, energy
Enough while being applied in the indoor positioning application of non-cell combining system and cell combining system, is answered to expand indoor positioning
Range.
On the basis of the construction method in the indoor locating system location fingerprint library provided based on the above embodiment, the present invention is real
It applies example and a kind of localization method using indoor locating system location fingerprint library is also provided.
Fig. 3 is illustratively shown provided in an embodiment of the present invention a kind of to be determined using indoor locating system location fingerprint library
Position method flow diagram, as shown in figure 3, this method can include:
S301, location-server receive the request message that access point apparatus is sent, and include at least one in the request message
The uplink signal strength value of access point apparatus identification information and the access point apparatus, which is access point apparatus
It is calculated according to the up-link wireless detectable signal that the terminal received is sent.
Wherein, the request message that access point apparatus is sent may include two access point apparatus identification informations and this two
The uplink signal strength value of access point apparatus, when the request message that access point apparatus is sent includes two access point apparatus mark letters
When the uplink signal strength value of breath and two access point apparatus, the form for the request message that access point apparatus is sent can be with
Are as follows: (access point apparatus mark 1, wireless signal strength value 1, access point apparatus mark 2, wireless signal strength value 2).
The request message that access point apparatus is sent may include three access point apparatus identification informations and this three accesses
The uplink signal strength value of point device, when the request message that access point apparatus is sent include three access point apparatus identification informations with
And three access point apparatus uplink signal strength value when, the form for the request message that access point apparatus is sent can be with are as follows: (connects
Access point device identification 1, wireless signal strength value 1；Access point apparatus mark 2, wireless signal strength value 2；Access point apparatus mark
3, wireless signal strength value 3).
The request message that access point apparatus is sent may include k access point apparatus identification information and the k access point
The uplink signal strength value of equipment, when access point apparatus send request message include k access point apparatus identification information and
When the uplink signal strength value of the k access point apparatus, the form for the request message that access point apparatus is sent can be with are as follows: (access
Point device mark 1, wireless signal strength value 1；Access point apparatus mark 2, wireless signal strength value 2；…；Access point apparatus mark
K, wireless signal strength value k), wherein k is positive integer.
S302, location-server are looked into according to the uplink signal strength value of access point apparatus identification information and access point apparatus
The location fingerprint library of indoor locating system is ask, indoors determining and described access point equipment mark in the location fingerprint library of positioning system
Know the most like N number of access point apparatus identification information of information, the uplink signal strength value of described access point equipment, N number of access point
N number of location information corresponding to the uplink signal strength value of equipment, wherein N is positive integer.
S303, location-server are weighted N number of location information to obtain the location information of terminal.
Further, the location information of the terminal can also be stored in database.It should be noted that the database is
It is as the location fingerprint library of indoor locating system not identical dedicated for storing the location information of terminal.
Location-server can be sent to terminal user after the location information for obtaining terminal, can also be in user to positioning
When server asks for the scene of positioning result, the location information in database is just sent to user by location-server.
Corresponding pushed information can also be sent to the terminal according to the location information by location-server.
It can be seen that due in the fingerprint base of position from the above content, access point apparatus identification information, access point apparatus
Uplink signal strength is corresponding with sampling point position information, therefore location fingerprint library constructed through the embodiment of the present invention, can
It is applied in the indoor positioning application of non-cell combining system and cell combining system simultaneously, to expand indoor positioning application
Range.
Based on same idea, the embodiment of the present invention also provide a kind of indoor locating system location fingerprint library construction device and
A kind of location-server using indoor locating system location fingerprint library.
Fig. 4 illustrates a kind of construction device in indoor locating system location fingerprint library provided in an embodiment of the present invention
Structural schematic diagram, as shown in figure 4, the device can include:
Receiving module 401, the first sample information reported for receiving acquisition terminal, first sample information are at least wrapped
It includes: the identification information of sampling point position information, acquisition terminal；
It is also used to the identification information according to the acquisition terminal, what acquisition access point apparatus reported believes with first sampling
Corresponding second sample information is ceased, second sample information includes at least: described access point equipment identification information, the access
The identification information of the uplink signal strength value of point device, the acquisition terminal；
Mapping block 402, for establishing the sampled point according to first sample information and second sample information
Mapping relations, include the uplink signal of described access point equipment identification information, described access point equipment in the mapping relations
Intensity value and the sampling point position information；
It is also used to construct the position of indoor locating system using the mapping relations as the location fingerprint information of the sampled point
Set fingerprint base.
Preferably, first sample information further includes the position sampling time of acquisition terminal；Second sample information
It further include the signal sampling time of described access point equipment.
Receiving module 401, is specifically used for:
It is determined from the sample information that access point apparatus reports and the identification information of the acquisition terminal and the acquisition
The position sampling time corresponding sample information of terminal, as the second sample information corresponding with first sample information.
Preferably,
Receiving module 401, is also used to:
Obtain the starting sample dot position information and terminate sampling point position information that the acquisition terminal reports；
Information according to the map determines the starting sample point and the acquisition path terminated between sampled point；
Obtain the third sample information that access point apparatus corresponding with the acquisition path reports, the third sample information
For received access point apparatus identification information, the uplink signal strength value of access point apparatus and signal in this section of path acquisition time
The sample group of sampling time composition；
Mapping block 402, is also used to:
The acquisition path is divided at least one virtual sampled point；
It is according to the number of starting sample point, termination sampled point and virtual sampled point, the acquisition routing information is corresponding
The third sample information that reports of access point apparatus divided according to the sequencing of signal sampling time, determine starting sample
Point terminates sub-sampling information corresponding to sampled point and each virtual sampled point, to establish starting sampled point, terminate sampled point
And the location fingerprint information of each virtual sampled point.
Preferably, receiving module 401, is also used to: obtaining what the access point apparatus that the acquisition terminal searches was sent
After second sample information, the uplink signal strength value of the described access point equipment in second sample information is filtered
Processing and smoothing processing；
Receiving module 401, is specifically used for:
Obtain preliminary second sample information corresponding with first sample information that described access point equipment reports；
Preliminary second sample information is filtered and smoothing processing, is obtained and first sample information
Corresponding second sample information.
Preferably, receiving module 401, is also used to:
Start to receive the acquisition data that access point apparatus reports after receiving the initiation command that the acquisition terminal is sent；
It receives the stopping of ceasing and desisting order that the acquisition terminal is sent and receives the acquisition data that access point apparatus reports.
Fig. 5 illustrates a kind of positioning using indoor locating system location fingerprint library provided in an embodiment of the present invention
The structural schematic diagram of server, as shown in figure 5, the location-server can include:
Receiving module 501 includes at least one in the request message for receiving the request message of access point apparatus transmission
The uplink signal strength value of a access point apparatus identification information and described access point equipment；The uplink signal strength value is described
Access point apparatus is calculated according to the up-link wireless detectable signal that the terminal received is sent.
Locating module 502, for the uplink signal according to described access point equipment identification information and described access point equipment
Intensity value, inquires the location fingerprint library of indoor locating system, and determination is set with described access point equipment identification information, described access point
The uplink signal strength value of the most like N number of access point apparatus identification information of standby uplink signal strength value, N number of access point apparatus
Corresponding N number of location information, N are positive integer；N number of location information is weighted to obtain the position letter of terminal
Breath.
The location-server can further comprise memory module 503, and the location information of terminal is stored in database.
The location-server can be sent to terminal user after the location information for obtaining terminal, can also be in user to clothes
When business device asks for the scene of positioning result, the location information in database is just sent to user by server.
Corresponding pushed information can also be sent to the terminal according to the location information by location-server.
According to the above as can be seen that due in the fingerprint base of position, access point apparatus identification information, access point apparatus
Uplink signal strength it is corresponding with sampling point position information, therefore location fingerprint library constructed through the embodiment of the present invention, energy
Enough while being applied in the indoor positioning application of non-cell combining system and cell combining system, is answered to expand indoor positioning
Range.
It should be noted that in the embodiment of the present invention, term " access point (Access Point, abbreviation AP) " includes but not
It is limited to the interface equipment that can be worked in wireless environments of access point, node, station control, base station or any other type.
Acquisition terminal involved by the embodiment of the present invention may include the handheld device with wireless communication function, vehicle-mounted
Equipment, wearable device calculate equipment or are connected to other processing equipments of radio modem, and various forms of use
Family equipment (User Equipment, abbreviation UE), mobile station (Mobile station, abbreviation MS), terminal (terminal), eventually
End equipment (Terminal Equipment) etc..
In the embodiment of the present invention, acquisition terminal can also be that wireless terminal, wireless terminal can be directed to user and provide language
The equipment of sound and/or data connectivity has the handheld device of wireless connecting function or is connected to radio modem
Other processing equipments.Wireless terminal can through wireless access network (for example, RAN, Radio Access Network) with one or
Multiple cores net is communicated, and wireless terminal can be mobile terminal, such as mobile phone (or be " honeycomb " phone) and is had
The computer of mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile dress
It sets, they exchange language and/or data with wireless access network.For example, personal communication service (PCS, Personal
Communication Service) phone, wireless phone, Session initiation Protocol (SIP) phone, wireless local loop (WLL,
Wireless Local Loop) it stands, the equipment such as personal digital assistant (PDA, Personal Digital Assistant).Nothing
Line terminal is referred to as subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), movement station
(Mobile Station), mobile station (Mobile), distant station (Remote Station), access point (Access Point),
Remote terminal (Remote Terminal), access terminal (Access Terminal), user terminal (User Terminal),
User agent (User Agent), user equipment (User Device) or user equipment (User Equipment).
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the present invention
Form.It is deposited moreover, the present invention can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
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 (14)
1. a kind of construction method in indoor locating system location fingerprint library characterized by comprising
The first sample information that acquisition terminal reports is received, first sample information includes at least: sampling point position information is adopted
Collect the identification information of terminal；
According to the identification information of the acquisition terminal, obtain that access point apparatus reports corresponding with first sample information the
Two sample informations, second sample information include at least: described access point equipment identification information, described access point equipment it is upper
The identification information of row signal strength indication, the acquisition terminal；
The mapping relations of the sampled point are established according to first sample information and second sample information, the mapping is closed
It include described access point equipment identification information, the uplink signal strength value of described access point equipment and the sampling point position in system
Information；
Using the mapping relations as the location fingerprint information of the sampled point, the location fingerprint library of indoor locating system is constructed.
2. the method as described in claim 1, which is characterized in that first sample information further includes that the position of acquisition terminal is adopted
The sample time；Second sample information further includes the signal sampling time of described access point equipment；
According to the identification information of the acquisition terminal, obtain that access point apparatus reports corresponding with first sample information the
Two sample informations, comprising:
It is determined from the sample information that access point apparatus reports and the identification information of the acquisition terminal and the acquisition terminal
Position sampling time corresponding sample information, as the second sample information corresponding with first sample information.
3. method according to claim 2, which is characterized in that further include:
Obtain the starting sample dot position information and terminate sampling point position information that the acquisition terminal reports；
Information according to the map determines the starting sample point and the acquisition path terminated between sampled point；
The third sample information that access point apparatus corresponding with the acquisition path reports is obtained, the third sample information is should
Received described access point equipment identification information in section path acquisition time, described access point equipment uplink signal strength value and
The sample group of signal sampling time composition；
The acquisition path is divided at least one virtual sampled point；
It is according to the starting sample point, the number for terminating sampled point and virtual sampled point, the acquisition path is corresponding
The third sample information that reports of access point apparatus divided according to the sequencing of signal sampling time, determine the starting
Sub-sampling information corresponding to sampled point, the termination sampled point and each virtual sampled point, to establish the starting sample
Point, the location fingerprint information for terminating sampled point and each virtual sampled point.
4. method as claimed in claim 3, which is characterized in that sent out obtaining the access point apparatus that the acquisition terminal searches
After the second sample information sent, further includes:
The uplink signal strength value of described access point equipment in second sample information is filtered and smoothly
Processing；
According to the identification information of the acquisition terminal, obtain that access point apparatus reports corresponding with first sample information the
Two sample informations, comprising:
Obtain preliminary second sample information corresponding with first sample information that described access point equipment reports；
Preliminary second sample information is filtered and smoothing processing, is obtained corresponding with first sample information
The second sample information.
5. the method as described in any one of Claims 1 to 4 claim, which is characterized in that further include:
Start to receive the acquisition data that access point apparatus reports after receiving the initiation command that the acquisition terminal is sent；
It receives the stopping of ceasing and desisting order that the acquisition terminal is sent and receives the acquisition data that access point apparatus reports.
6. a kind of localization method using indoor locating system location fingerprint library characterized by comprising
The request message that access point apparatus is sent is received, includes at least one access point apparatus identification information in the request message
With the uplink signal strength value of described access point equipment；The uplink signal strength value is described access point equipment according to receiving
The up-link wireless detectable signal that sends of terminal be calculated；
According to the uplink signal strength value of described access point equipment identification information and described access point equipment, indoor positioning system is inquired
The location fingerprint library of system, it is determining with described access point equipment identification information, the uplink signal strength value of described access point equipment most
Similar N number of access point apparatus identification information, N number of access point apparatus uplink signal strength value corresponding to N number of location information,
N is positive integer；
It is weighted N number of location information to obtain the location information of terminal.
7. localization method as claimed in claim 6, which is characterized in that be weighted by N number of location information
To after the location information of terminal, further includes:
The location information of the terminal is stored in database.
8. a kind of construction device in indoor locating system location fingerprint library characterized by comprising
Receiving module, the first sample information reported for receiving acquisition terminal, first sample information include at least: sampling
The identification information of dot position information, acquisition terminal；
It is also used to the identification information according to the acquisition terminal, it is reporting with first sample information pair to obtain access point apparatus
The second sample information answered, second sample information include at least: described access point equipment identification information, described access point are set
The identification information of standby uplink signal strength value, the acquisition terminal；
Mapping block, the mapping for establishing the sampled point according to first sample information and second sample information are closed
System, include in the mapping relations described access point equipment identification information, described access point equipment uplink signal strength value and
The sampling point position information；
It is also used to using the mapping relations as the location fingerprint information of the sampled point, the position for constructing indoor locating system refers to
Line library.
9. device as claimed in claim 8, which is characterized in that first sample information further includes that the position of acquisition terminal is adopted
The sample time；Second sample information further includes the signal sampling time of described access point equipment；
The receiving module, is specifically used for:
It is determined from the sample information that access point apparatus reports and the identification information of the acquisition terminal and the acquisition terminal
Position sampling time corresponding sample information, as the second sample information corresponding with first sample information.
10. device as claimed in claim 9, which is characterized in that the receiving module is also used to:
Obtain the starting sample dot position information and terminate sampling point position information that the acquisition terminal reports；
Information according to the map determines the starting sample point and the acquisition path terminated between sampled point；
The third sample information that access point apparatus corresponding with the acquisition path reports is obtained, the third sample information is should
Received described access point equipment identification information in section path acquisition time, described access point equipment uplink signal strength value and
The sample group of signal sampling time composition；
The mapping block, is also used to:
The acquisition path is divided at least one virtual sampled point；
It is according to the starting sample point, the number for terminating sampled point and virtual sampled point, the acquisition path is corresponding
The third sample information that reports of access point apparatus divided according to the sequencing of signal sampling time, determine the starting
Sub-sampling information corresponding to sampled point, the termination sampled point and each virtual sampled point, to establish the starting sample
Point, the location fingerprint information for terminating sampled point and each virtual sampled point.
11. device as claimed in claim 10, which is characterized in that the receiving module is also used to: obtaining the acquisition eventually
After the second sample information for holding the access point apparatus searched to send, the described access point in second sample information is set
Standby uplink signal strength value is filtered and smoothing processing；
The receiving module, is specifically used for:
Obtain preliminary second sample information corresponding with first sample information that described access point equipment reports；
Preliminary second sample information is filtered and smoothing processing, is obtained corresponding with first sample information
The second sample information.
12. the device as described in any one of claim 8~11 claim, which is characterized in that the receiving module is also used
In:
Start to receive the acquisition data that access point apparatus reports after receiving the initiation command that the acquisition terminal is sent；
It receives the stopping of ceasing and desisting order that the acquisition terminal is sent and receives the acquisition data that access point apparatus reports.
13. a kind of location-server using indoor locating system location fingerprint library characterized by comprising
Receiving module is also used to receive the request message of access point apparatus transmission, connects in the request message including at least one
The uplink signal strength value of access point equipment identification information and described access point equipment；The uplink signal strength value is the access
Point device is calculated according to the up-link wireless detectable signal that the terminal received is sent；
Locating module, for the uplink signal strength value according to described access point equipment identification information and described access point equipment,
Inquire the location fingerprint library of indoor locating system, it is determining with described access point equipment identification information, described access point equipment it is upper
The most like N number of access point apparatus identification information of row signal strength indication, N number of access point apparatus uplink signal strength value corresponding to
N number of location information, N is positive integer；
It is weighted N number of location information to obtain the location information of terminal.
14. location-server as claimed in claim 13, which is characterized in that further include:
Memory module, for the location information of terminal to be stored in database.
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| CN106802411A (en) * | 2016-12-26 | 2017-06-06 | 纵横壹旅游科技（成都）有限公司 | A kind of local area localization method and system |
| CN108260076B (en) * | 2016-12-28 | 2020-10-09 | 中国电信股份有限公司 | Method, platform and system for monitoring unmanned aerial vehicle running track |
| CN107800493A (en) * | 2017-10-29 | 2018-03-13 | 深圳市中安神盾科技有限公司 | A kind of generation method of radio signal characteristics |
| CN110972258B (en) * | 2018-09-28 | 2021-04-13 | 中移（杭州）信息技术有限公司 | A method and device for establishing a location fingerprint database |
| WO2020191598A1 (en) * | 2019-03-25 | 2020-10-01 | 华为技术有限公司 | Method for determining that terminal device is located inside geofence, and terminal device |
| US11330551B2 (en) * | 2019-08-12 | 2022-05-10 | Dell Products, Lp | Method and apparatus for location aware optimal wireless link selection system |
| CN110809236B (en) * | 2019-09-11 | 2022-02-01 | 腾讯科技（深圳）有限公司 | Area positioning method, area positioning device, computer equipment and computer readable storage medium |
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| CN102348160B (en) * | 2011-07-15 | 2014-01-22 | 中国电信股份有限公司 | Multimode signal-based positioning method, system and positioning platform |
| CN102932911B (en) * | 2012-09-26 | 2015-02-04 | 上海顶竹通讯技术有限公司 | Positioning method and positioning system of location fingerprints |
| CN104640205B (en) * | 2015-02-09 | 2018-08-28 | 重庆邮电大学 | The mobile phone positioning system and method for field strength and difference fingerprint are utilized under the conditions of macro base station |
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