CN103874015B - A kind of method and apparatus of the identification position Wi-Fi resettlement - Google Patents
A kind of method and apparatus of the identification position Wi-Fi resettlement Download PDFInfo
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Abstract
The present invention provides a kind of method and apparatus of identification position Wi-Fi resettlement, and wherein method includes: S1, obtains each collection point Wi-Fi data collected；It is S2, according to acquired acquisition data that the polymerization of the collection point of each Wi-Fi is in heaps；S3, the Wi-Fi that position is moved in collection process is identified according to the distribution situation of heap, and extrapolates the new position of the Wi-Fi.The Wi-Fi that position is moved in collection process can be recognized accurately in the present invention, and extrapolates the new position of the Wi-Fi, while can also identify and filter different Wi-Fi with the same MAC Address and the user Wi-Fi self-built with mobile terminal.
Description
[technical field]
The present invention relates to wireless location technology more particularly to a kind of method and apparatus of identification position Wi-Fi resettlement.
[background technique]
With the continuous development that mobile Internet is applied, location based service is more and more welcomed by the people, fixed
In the service of position, other than common GPS positioning technology, is positioned using wireless Wi-Fi and also obtained more and more applications.
The position that positioning needs to obtain each Wi-Fi access point (AP) in advance is carried out by Wi-Fi, further passes through Wi-Fi later
Position to user position position.Currently, the method for building Wi-Fi location database is usually to be obtained according to collection point
The dead reckoning of Wi-Fi information and collection point goes out the position of Wi-Fi.
During acquiring Wi-Fi information, it may appear that the excessive situation of the collection point distribution radius of a Wi-Fi is led
There are mainly three types of the reason of causing such case: one, the router of part wireless router producer production is lack of standardization, and there are multiple nothings
The MAC Address same case of line router, causes the Wi-Fi of the same MAC Address to be distributed in multiple places；Two, user utilizes
The self-built Wi-Fi access point of mobile terminal, this kind of usual position Wi-Fi are all not fixed, change frequent occurrence；Three, a certain wireless
The position of router is changed in collection process.It is existing to do when the collection point distribution radius of a certain Wi-Fi is excessive
Method is usually to think that data acquisition is wrong, directly filters the acquisition data of the Wi-Fi.However, the above-mentioned three kinds of reasons of analysis can be with
Find out, multiple wireless routers and user with identical MAC Address are uncomfortable using the self-built Wi-Fi access point of mobile terminal
It shares in offer positioning service, and new position that the wireless router that position changes still can use after its transition provides
Positioning service can lose the available number in this part if the directly excessive Wi-Fi of filtering collection point distribution radius acquires data
According to.
[summary of the invention]
In view of this, can identify and acquire the present invention provides a kind of method and apparatus of identification position Wi-Fi resettlement
The Wi-Fi that position is moved in journey.
Specific technical solution is as follows:
A method of the resettlement of the identification position Wi-Fi, this method comprises:
S1, each collection point Wi-Fi data collected are obtained；
It is S2, according to acquired acquisition data that the polymerization of the collection point of each Wi-Fi is in heaps；
S3, the Wi-Fi that position is moved in collection process is identified according to the distribution situation of heap, and calculates that out position is sent out
The new position of the Wi-Fi of raw resettlement.
According to one preferred embodiment of the present invention, the step S2 is specifically included:
Each collection point of a certain Wi-Fi is initialized as each independent heap, if the minimum range between two heaps
Less than preset threshold value, then the two heaps are merged into a heap, wherein the minimum range between two heaps is two heaps
The distance between collection point minimum value.
According to one preferred embodiment of the present invention, the step S3 is specifically included:
If the collection point of a certain Wi-Fi aggregate into two heaps and two heap respectively minimum circumscribed circle radius be less than preset
Threshold value, and in two heap collection point cover acquisition time no overlap, then determine that the position of the Wi-Fi is sent out in collection process
Resettlement has been given birth to, the position after Wi-Fi resettlement is extrapolated according to the newer collection point of acquisition time.
According to one preferred embodiment of the present invention, this method further includes following step:
If the collection point of a certain Wi-Fi be divided into N heap and the N heap respectively minimum circumscribed circle radius be less than preset threshold
Value, and the acquisition time that collection point covers in the N heap then determines that the collected Wi-Fi data of institute are with same in the presence of overlapping
Multiple Wi-Fi of MAC Address, ignore those data, wherein N is the integer more than or equal to 2.
According to one preferred embodiment of the present invention, this method further includes following step:
If the collection point of a certain Wi-Fi is divided into N heap and the N heap, there are minimum circumscribed circle radiuses to be greater than preset threshold
The heap of value, then determine the collected Wi-Fi data Wi-Fi self-built for user's mobile terminal, ignore those data,
In, N is the integer more than or equal to 1.
A kind of device of identification position Wi-Fi resettlement, the device include:
Data collection module, for obtaining each collection point Wi-Fi data collected；
Integral unit, for according to acquired acquisition data that the collection point polymerization of each Wi-Fi is in heaps；
Recognition unit identifies the Wi-Fi that position is moved in collection process for the distribution situation according to heap, and pushes away
Calculate the new position for the Wi-Fi that position is moved.
According to one preferred embodiment of the present invention, the integral unit specifically executes:
Each collection point of a certain Wi-Fi is initialized as each independent heap, if the minimum range between two heaps
Less than preset threshold value, then the two heaps are merged into a heap, wherein the minimum range between two heaps is two heaps
The distance between collection point minimum value.
According to one preferred embodiment of the present invention, the recognition unit specifically executes:
If the collection point of a certain Wi-Fi aggregate into two heaps and two heap respectively minimum circumscribed circle radius be less than preset
Threshold value, and in two heap collection point cover acquisition time no overlap, then determine that the position of the Wi-Fi is sent out in collection process
Resettlement has been given birth to, the position after Wi-Fi resettlement is extrapolated according to the newer collection point of acquisition time.
According to one preferred embodiment of the present invention, the recognition unit also executes:
If the collection point of a certain Wi-Fi be divided into N heap and the N heap respectively minimum circumscribed circle radius be less than preset threshold
Value, and the acquisition time that collection point covers in the N heap then determines that the collected Wi-Fi data of institute are with same in the presence of overlapping
Multiple Wi-Fi of MAC Address, ignore those data, wherein N is the integer more than or equal to 2.
According to one preferred embodiment of the present invention, the recognition unit also executes:
If the collection point of a certain Wi-Fi is divided into N heap and the N heap, there are minimum circumscribed circle radiuses to be greater than preset threshold
The heap of value, then determine the collected Wi-Fi data Wi-Fi self-built for user's mobile terminal, ignore those data,
In, N is the integer more than or equal to 1.
As can be seen from the above technical solutions, the present invention is in heaps by the way that the collection point of each Wi-Fi to polymerize, being capable of basis
The Wi-Fi that position in collection process is moved is recognized accurately in the distribution situation of heap, avoids this kind of available number accidentally
According to filtering, while it can also identify and filter the Wi- that Wi-Fi and user with same MAC Address utilize mobile terminal self-built
Fi。
[Detailed description of the invention]
Fig. 1 is a kind of method flow diagram of identification position Wi-Fi resettlement provided by the embodiment of the present invention one；
Fig. 2 is that collection point provided by the embodiment of the present invention one polymerize exemplary diagram in heaps；
Fig. 3 is a kind of schematic device of identification position Wi-Fi resettlement provided by the embodiment of the present invention two.
[specific embodiment]
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.
Since collection point can only collect the information of Wi-Fi in the coverage area of Wi-Fi signal, collection point
Distribution situation is able to reflect out the location information of Wi-Fi.The present invention is exactly to utilize the distribution situation of collection point and gather collection point
After synthesizing heap, to judge whether the position of a certain Wi-Fi in collection process is changed, and filtering is with same MAC
The different Wi-Fi and user of location are with the self-built Wi-Fi's of mobile terminal.
Embodiment one
Fig. 1 is a kind of method flow diagram of identification position Wi-Fi resettlement provided by the embodiment of the present invention one, such as Fig. 1 institute
Show, this method comprises:
The Wi-Fi data that S101, acquisition are acquired in collection point.
In collection point, the Wi-Fi data of acquisition include the GPS coordinate of the MAC Address of Wi-Fi, collection point, and currently
Acquire the moment.The acquisition of Wi-Fi can be by being actively acquired using tools such as collecting vehicles, can also be from customer mobile terminal
It is extracted in the data submitted, this part is the prior art, is not repeated excessively herein.
It is S102, the polymerization of the collection point of each Wi-Fi is in heaps.
Certain range can only be covered due to Wi-Fi signal, so the Wi- can only be collected around a certain Wi-Fi
The data of Fi, therefore the distribution of collection point is usually all collected on around Wi-Fi.In order to according to the distribution situation of collection point
The accurate location information for obtaining Wi-Fi needs the collection point polymerization by each Wi-Fi in heaps, this process can use following
Method is realized:
Each collection point of a certain Wi-Fi is initialized as each independent heap, if the most narrow spacing between certain two heap
From preset threshold value is less than, then the two heaps are merged into a heap, wherein the minimum range between two heaps is two
The distance between collection point of heap minimum value.Collection point is polymerize to method in heaps in order to better understand, below with reference to Fig. 2 institute
This process is further described in example.As shown in Fig. 2, there is totally 7 collection points A, B, C, D, E, F, G, first by this 7
A collection point is initialized as each independent heap, i.e., each point forms a heap, starts later according to the minimum between two heaps
Distance, i.e., the minimum value of distance polymerize heap between the collection point of two heaps, for example, the distance of A to B is less than by taking A as an example
Preset threshold value merges the heap where A, B, i.e. A heap and the polymerization of B heap, forms a heap (for ease of description, can be described as AB
Heap), and so on, the distance of A to D and the distance of A to E are respectively less than preset threshold value, and D heap, E heap are incorporated to heap where A (i.e.
AB heap), ABDE heap is aggregated into, the distance of A to C is greater than preset threshold value, and the distance of C to D is less than preset threshold value, therefore, C
The minimum range of heap and ABDE heap is less than preset threshold, the two heaps are merged, that is, aggregates into ABCDE heap, F heap and ABCDE heap
Minimum range be F to E distance, the distance of F to E is greater than preset threshold value, and therefore, F heap does not polymerize with ABCDE heap, similarly,
The distance of G heap to ABCDE are greater than preset threshold value, and G heap does not polymerize with ABCDE heap, and F is less than preset threshold value at a distance from G, will
F heap polymerize to form FG heap with G heap, and so far, polymerization finishes, and forms two heaps as shown in Figure 2.Minimum range between two heaps
Threshold value, which can according to need, to be set.
Collection point is polymerize process in heaps the existing algorithm such as hierarchical clustering algorithm can also be used to realize in addition, above-mentioned.
If the collection point of S103, a certain Wi-Fi aggregate into two heaps and the radius of the respective minimum circumscribed circle of two heap be less than it is pre-
The threshold value first set, and in two heap collection point acquisition time no overlap, then determine the position of the Wi-Fi in collection process
It is moved, the position after Wi-Fi resettlement is extrapolated according to the newer collection point of acquisition time.
Collection point is polymerize to the distributed intelligence of the heap of the collection point of rear available each Wi-Fi in heaps, according to this letter
Breath may determine that the Wi-Fi that position has been moved in collection process, if the collection point that specific judgment method is a certain Wi-Fi is same
When meet following conditions, then determine that the position of the Wi-Fi is moved, the condition specifically:
1) collection point of the Wi-Fi is divided into two heaps；
2) radius of two respective minimum circumscribed circles of heap is respectively less than preset threshold value；
3) in two heaps collection point acquisition time no overlap.
If a certain Wi-Fi is moved the position in collection process, then at its old position and at new position
Will there are the collection point of the Wi-Fi, this case that just can be accurately identified according to above-mentioned condition, the wherein minimum circumscribed circle of heap
Radius threshold can be set as needed, for example, can be set as the maximum value 1km of the signal cover of common Wi-Fi.It
Afterwards further according to the acquisition time of the collection point in two heaps, calculated using the location information of collection point in the newer heap of acquisition time
Position after Wi-Fi resettlement out.Minimum circumscribed circle can be used according to the position that the location information of collection point extrapolates Wi-Fi
Method or arithmetic mean method or geometric average method etc., this part are the prior art, are not repeated excessively herein.
Method described in step S101-S103 provided by according to embodiments of the present invention, can be recognized accurately and acquire
The Wi-Fi that position is moved in the process, and its new position is extrapolated, number can be used by avoiding this part caused by existing method
According to loss.
Further, the present invention can also include the following steps S104-S105, to filter with same MAC Address
The Wi-Fi and user Wi-Fi self-built with mobile terminal.
If the collection point of S104, a certain Wi-Fi be divided into N heap and the N heap respectively minimum circumscribed circle radius be less than set in advance
Fixed threshold value, and the acquisition time presence of collection point overlaps in the N heap, then determines that the collected Wi-Fi data of institute are with same
Multiple Wi-Fi of one MAC Address, ignore those data, wherein N is the integer more than or equal to 2.
If having multiple and different Wi-Fi MAC Address having the same, in collection process near multiple Wi-Fi all
There can be collection point, i.e., collection point will form multiple heaps, and acquisition time, according to this feature, just can accurately be known in the presence of overlapping
The data that the Wi-Fi in data with identical MAC Address Chu not acquired, due to being usually regarded as MAC Address in positioning service
It is the unique identity of Wi-Fi, therefore this kind of Wi-Fi is not suitable for positioning service, filters those data.In this step
In judgement, the radius threshold of the minimum circumscribed circle of heap be can be set as needed, for example, can be set as the letter of common Wi-Fi
The maximum value 1km of number coverage area.
It is set in advance if the collection point of S105, a certain Wi-Fi are divided into N heap and the N heap being greater than there are minimum circumscribed circle radius
The heap of fixed threshold value, then determine the collected Wi-Fi data Wi-Fi self-built for user's mobile terminal, ignore those numbers
According to, wherein N is the integer more than or equal to 1.
User is not fixed very much using the usual position the self-built Wi-Fi of mobile terminal, has very strong mobility, if
Movement has occurred in the self-built Wi-Fi of a certain user in collection process, then collection point can be distributed in around its motion track, in this way
Often span is larger for collection point, i.e. the radius of the minimum circumscribed circle of heap that aggregates into of collection point is larger, can according to this feature
To identify the data in acquisition data by user using the self-built Wi-Fi of mobile terminal, equally, this kind of Wi-Fi discomfort is shared
In positioning service, those data are filtered.
It should be noted that above-mentioned steps S103, S104 and S105 can be carried out in any order, can also simultaneously into
Row, i.e., the identification of Wi-Fi position in collection process moved, the knowledge to the different Wi-Fi with the same MAC Address
Not and user can be executed by any sequencing with the identification of the self-built Wi-Fi of mobile terminal, also be may be performed simultaneously.
The above-mentioned description carried out for the method for being provided for the embodiments of the invention the resettlement of the identification position Wi-Fi, can see
Method provided by the present invention can accurately identify the Wi-Fi that position is moved in collection process out, with prior art phase
Than avoiding the part data available and accidentally being deleted, while can identify and filter the different Wi- with the same MAC Address
The Fi and user Wi-Fi self-built with mobile terminal.
Embodiment two
Fig. 3 is a kind of schematic device of identification position Wi-Fi resettlement provided by the embodiment of the present invention two, such as Fig. 3 institute
Show, which includes: data collection module 10, integral unit 20, recognition unit 30.
Data collection module 10, for obtaining each collection point Wi-Fi data collected.
Data collection module 10 obtains the Wi-Fi data of each collection point acquisition, specifically includes the MAC Address of Wi-Fi, adopts
The GPS coordinate of collection point and current acquisition moment.The acquisition of Wi-Fi can be by actively being carried out using tools such as collecting vehicles
Acquisition, can also extract from the data that customer mobile terminal is submitted, this part is the prior art, not go to live in the household of one's in-laws on getting married excessively herein
It states.
Integral unit 20, for according to acquired acquisition data that the collection point polymerization of each Wi-Fi is in heaps.
In order to accurately obtain the location information of Wi-Fi according to the distribution situation of collection point, integral unit 20 need by
The collection point polymerization of each Wi-Fi is in heaps, this process can execute operations described below realization:
Each collection point of a certain Wi-Fi is initialized as each independent heap, if the most narrow spacing between certain two heap
From preset threshold value is less than, then the two heaps are merged into a heap, wherein the minimum range between two heaps is two
The distance between collection point of heap minimum value.Wherein, the minimum threshold of distance between two heaps, which can according to need, is set.
In addition, collection point is polymerize process in heaps by above-mentioned integral unit 20 can also use the existing calculation such as hierarchical clustering algorithm
Method is realized.
Recognition unit 30 identifies the Wi-Fi that position is moved in collection process for the distribution situation according to heap, and
Extrapolate the new position of the Wi-Fi.
Collection point is polymerize the distributed intelligence of the heap of the collection point of rear available each Wi-Fi in heaps by integral unit 20,
Recognition unit 30 can judge the Wi-Fi that position has been moved in collection process according to this information, and specific judgment method is
If the collection point of a certain Wi-Fi meets following conditions simultaneously, determine that the position of the Wi-Fi is moved, the condition tool
Body are as follows:
1) collection point of the Wi-Fi is divided into two heaps；
2) radius of two respective minimum circumscribed circles of heap is respectively less than preset threshold value；
3) in two heaps collection point acquisition time no overlap.
If a certain Wi-Fi is moved the position in collection process, then at its old position and at new position
Will there are the collection point of the Wi-Fi, this case that just can be accurately identified according to above-mentioned condition, the wherein minimum circumscribed circle of heap
Radius threshold can be set as needed, for example, can be set as the maximum value 1km of the signal cover of common Wi-Fi.It
Afterwards further according to the acquisition time of the collection point in two heaps, calculated using the location information of collection point in the newer heap of acquisition time
Position after Wi-Fi resettlement out.Minimum circumscribed circle can be used according to the position that the location information of collection point extrapolates Wi-Fi
Method or arithmetic mean method or geometric average method etc., this part are the prior art, are not repeated excessively herein.
Further, following two operations can also be performed in recognition unit 30, to filter with same MAC Address
The Wi-Fi and user Wi-Fi self-built with mobile terminal:
If 1) collection point of a certain Wi-Fi be divided into N heap and the N heap respectively minimum circumscribed circle radius be less than it is preset
Threshold value, and the acquisition time presence of collection point overlaps in the N heap, then determines that the collected Wi-Fi data of institute are with same MAC
Multiple Wi-Fi of address, ignore those data, wherein N is the integer more than or equal to 2.
If having multiple and different Wi-Fi MAC Address having the same, in collection process near multiple Wi-Fi all
There can be collection point, i.e., collection point will form multiple heaps, and acquisition time, according to this feature, just can accurately be known in the presence of overlapping
The data that the Wi-Fi in data with identical MAC Address Chu not acquired, due to being usually regarded as MAC Address in positioning service
It is the unique identity of Wi-Fi, therefore this kind of Wi-Fi is not suitable for positioning service, filters those data.In this step
In judgement, the radius threshold of the minimum circumscribed circle of heap be can be set as needed, for example, can be set as the letter of common Wi-Fi
The maximum value 1km of number coverage area.
If 2) collection point of a certain Wi-Fi be divided into N heap and the N heap there are minimum circumscribed circle radius be greater than it is preset
The heap of threshold value, then determine the collected Wi-Fi data Wi-Fi self-built for user's mobile terminal, ignore those data,
In, N is the integer more than or equal to 1.
User is not fixed very much using the usual position the self-built Wi-Fi of mobile terminal, has very strong mobility, if
Movement has occurred in the self-built Wi-Fi of a certain user in collection process, then collection point can be distributed in around its motion track, in this way
Often span is larger for collection point, i.e. the radius of the minimum circumscribed circle of heap that aggregates into of collection point is larger, can according to this feature
To identify the data in acquisition data by user using the self-built Wi-Fi of mobile terminal, equally, this kind of Wi-Fi discomfort is shared
In positioning service, those data are filtered.
The description that the above-mentioned device to be provided for the embodiments of the invention the resettlement of the identification position Wi-Fi carries out, can see
Device provided by the present invention can accurately identify the Wi-Fi that position is moved in collection process out, with prior art phase
Than avoiding the part data available and accidentally being deleted, while can identify and filter the different Wi- with the same MAC Address
The Fi and user Wi-Fi self-built with mobile terminal.
By means of the invention it is possible to accurately identify the Wi-Fi that the position in collection process is moved, and extrapolate Wi-Fi
The data can be used to construct electronic location database to provide positioning service for user by the position after resettlement later, meanwhile,
Also avoidable different Wi-Fi and user by with the same MAC Address are this kind of not with the self-built Wi-Fi of mobile terminal by the present invention
Electronic location database is added in the data for being adapted to provide for positioning service.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (6)
1. a kind of method of identification position Wi-Fi resettlement, which is characterized in that this method comprises:
S1, each collection point Wi-Fi data collected are obtained；
It is S2, according to acquired acquisition data that the polymerization of the collection point of each Wi-Fi is in heaps；
S3, the Wi-Fi that position is moved in collection process is identified according to the distribution situation of heap, and calculates that out position is removed
The new position of the Wi-Fi moved；
The S2 is specifically included:
Each collection point of a certain Wi-Fi is initialized as each independent heap, if the minimum range between two heaps is less than
The two heaps are then merged into a heap by preset threshold value, wherein the minimum range between two heaps is adopting for two heaps
The minimum value of the distance between collection point；
The S3 is specifically included:
If the collection point of a certain Wi-Fi aggregate into two heaps and two heap respectively minimum circumscribed circle radius be less than preset threshold
Value, and the acquisition time no overlap that collection point covers in two heap, then determine that the position of the Wi-Fi has occurred in collection process
Resettlement extrapolates the position after Wi-Fi resettlement according to the newer collection point of acquisition time.
2. the method according to claim 1, wherein this method further includes following step:
If the collection point of a certain Wi-Fi be divided into N heap and the N heap respectively minimum circumscribed circle radius be less than preset threshold value,
And the acquisition time that collection point covers in the N heap exists overlapping, then determines the collected data of institute for same MAC Address
Multiple Wi-Fi ignore those data, wherein N is the integer more than or equal to 2.
3. the method according to claim 1, wherein this method further includes following step:
If the collection point of a certain Wi-Fi is divided into N heap and the N heap, there are minimum circumscribed circle radiuses to be greater than preset threshold value
Heap, then determine the collected data Wi-Fi self-built for user's mobile terminal, ignore those data, wherein N be greater than
Or the integer equal to 1.
4. a kind of device of identification position Wi-Fi resettlement, which is characterized in that the device includes:
Data collection module, for obtaining each collection point Wi-Fi data collected；
Integral unit, for according to acquired acquisition data that the collection point polymerization of each Wi-Fi is in heaps；
Recognition unit identifies the Wi-Fi that position is moved in collection process for the distribution situation according to heap, and extrapolates
The new position for the Wi-Fi that position is moved；
The integral unit specifically executes:
Each collection point of a certain Wi-Fi is initialized as each independent heap, if the minimum range between two heaps is less than
The two heaps are then merged into a heap by preset threshold value, wherein the minimum range between two heaps is adopting for two heaps
The minimum value of the distance between collection point；
The recognition unit specifically executes:
If the collection point of a certain Wi-Fi aggregate into two heaps and two heap respectively minimum circumscribed circle radius be less than preset threshold
Value, and the acquisition time no overlap that collection point covers in two heap, then determine that the position of the Wi-Fi has occurred in collection process
Resettlement extrapolates the position after Wi-Fi resettlement according to the newer collection point of acquisition time.
5. device according to claim 4, which is characterized in that the recognition unit also executes:
If the collection point of a certain Wi-Fi be divided into N heap and the N heap respectively minimum circumscribed circle radius be less than preset threshold value,
And the acquisition time that collection point covers in the N heap exists overlapping, then determines the collected data of institute for same MAC Address
Multiple Wi-Fi ignore those data, wherein N is the integer more than or equal to 2.
6. device according to claim 4, which is characterized in that the recognition unit also executes:
If the collection point of a certain Wi-Fi is divided into N heap and the N heap, there are minimum circumscribed circle radiuses to be greater than preset threshold value
Heap, then determine the collected data Wi-Fi self-built for user's mobile terminal, ignore those data, wherein N be greater than
Or the integer equal to 1.
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| CN107872862B (en) * | 2016-09-26 | 2020-11-24 | 深圳平安通信科技有限公司 | Wifi hotspot information pushing method and device |
| CN108235367B (en) * | 2016-12-15 | 2020-06-30 | 腾讯科技（深圳）有限公司 | Wireless fidelity WiFi equipment identification method and device |
| CN110177331B (en) * | 2019-01-10 | 2023-01-24 | 腾讯科技（深圳）有限公司 | Method and device for positioning terminal equipment and establishing wireless hotspot knowledge base |
| CN111459162B (en) * | 2020-04-07 | 2021-11-16 | 珠海格力电器股份有限公司 | Standby position planning method and device, storage medium and computer equipment |
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