CN106028282A

CN106028282A - Wi-Fi-based distance obtaining method, terminal, system, server and electronic equipment

Info

Publication number: CN106028282A
Application number: CN201610320004.7A
Authority: CN
Inventors: 刘军发
Original assignee: Zhongke Strong Point (beijing) Technology Co Ltd
Current assignee: Zhongke Strong Point (beijing) Technology Co Ltd
Priority date: 2016-05-13
Filing date: 2016-05-13
Publication date: 2016-10-12
Anticipated expiration: 2036-05-13
Also published as: CN106028282B

Abstract

The embodiment of the invention discloses a Wi-Fi-based distance obtaining method and system, a server and electronic equipment, relates to the technical field of wireless communication, and can improve the distance obtaining precision and reduce human and material costs. The Wi-Fi-based distance obtaining method comprises the following steps that: the server obtains information of all Wi-Fi emission sources or/and information of a mobile base station and a pre-set time threshold value in a Unicom area; a distance obtaining request of a first terminal is received, wherein the distance obtaining request includes time information of the first terminal and the acquired information of the Wi-Fi emission sources or/and the acquired information of the mobile base station; the time information is in the effective range of the time threshold value; the server matches the information of the Wi-Fi emission sources or/and the information of the mobile base station acquired by the first terminal with the information of all the Wi-Fi emission sources or/and the information of the mobile base station in the Unicom area; and the terminal distance matched with the first terminal is obtained. The Wi-Fi-based distance obtaining method and system, the server and the electronic equipment disclosed by the invention are suitable for obtaining the terminal distance in a Wi-Fi-based signal field.

Description

Distance acquisition methods based on Wi-Fi, terminal, system, server and electronic equipment

Technical field

The present invention relates to wireless communication technology field, particularly relate to a kind of distance acquisition methods based on Wi-Fi, Terminal, system, server and electronic equipment.

Background technology

In LBS (Location Based Services, location Based service) field, much apply System is both needed to the approximate distance estimating between user by mobile terminal (such as cell phone apparatus), and then carries out The operational actioies such as friend-making, service recommendation.Specifically, LBS can be divided into amusement and recreation type, service for life Type, koinotropic type and business type.The LBS of amusement and recreation type mainly makes the user being in same position region can To participate in game, find enjoyment；The LBS of service for life type is the most various, including finding nearby Dining room, hotel, market etc.；The LBS of koinotropic type mainly instigates the user at the same area to lead to The activities such as letter and friend-making；The LBS of business type mainly by the positional information of user and the merchandise news of businessman, Discount information etc. are combined, to promote customer consumption etc..

Obviously, above-mentioned application all have to provide the positioning function of mobile terminal, and the accuracy positioned The highest, the means of location are the most convenient, it is possible to the service provided the user will be the abundantest.

At present, location technology can be divided mainly into GPS (Global Position System, global positioning satellite System) position and non-GPS location.GPS positions, technology relative maturity, at location handss such as outdoor vehicle mounted guidances Section obtains the absolute coordinate of equipment, and then the distance between estimation apparatus.Rather than GPS location, such as: base The absolute coordinate of equipment, and then estimation apparatus is obtained in positioning means such as Wi-Fi, bluetooth, infrared, RFID Between distance, fall within this type of；It two is method based on point-to-point range finding.I.e. between equipment and equipment The mutual perception of sensor can be passed through, and then estimate relative distance by the power of perception.Such as document CN104459612A, invention entitled possess measurement and WI-FI equipment distance and the mobile terminal of direction energy supply, It is made by telemetry antenna and phase demodulation distance-finding module to move terminal distance and the measurement in direction.This kind of side The both sides that are to need to find range are limited to sensor and can pass through sensor assembly in the range of perception the feature of method Realize point-to-point direct perception.

But, along with becoming increasingly popular of WLAN based on IEEE802.11b/g agreement, all kinds of movements Gradually starting built-in wireless network card in terminal, in addition, the idea of development of " wireless city " is gradually moved towards by concept , there is increasing AP (Access Point, WAP) in maturation in environment, these be all based on The development of the location technology of Wi-Fi creates convenience.

The location technology based on Wi-Fi occurred at present, mainly has two classes: 1) based on signal propagation model Location technology；2) location technology based on fingerprint (fingerprint) model.The former is according to wireless communication The nonlinear attenuation characteristic presented when propagating number in atmosphere, sets up the model of signal intensity and distance, Thus obtain positional information.Mainly use the signal intensity received to carry out a series of location meter due to it Calculate, generally involve substantial amounts of calculating, the most complex；What is more important, due to complicated and changeable The propagation of signal is caused in bigger loss, and signal communication process and there is multipath effect by indoor environment, because of The positioning result precision of this method is the highest.And the latter's location technology based on Fingerprint Model, then it is mainly Location is realized based on a large amount of actual observation data.Said method is compared to location based on signal propagation model skill Art, although the precision of location can be promoted, but, take a substantial amount of time at off-line training step needs, Manpower and material resources carry out staking-out work, and previous work is the heaviest.

Summary of the invention

In view of this, the embodiment of the present invention provides a kind of distance acquisition methods based on Wi-Fi, system, clothes Business device and a kind of electronic equipment, it is possible to solve in prior art the highest based on Wi-Fi positioning precision, and expend The problem that manpower and materials are relatively costly.

For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that

On the one hand, the embodiment of the present invention provides a kind of distance acquisition methods based on Wi-Fi, and the method includes:

Server obtains all Wi-Fi emission source information/and mobile base station information and Preset Time in UNICOM region Threshold value；

The distance receiving first terminal obtains request；Described distance obtains request and includes: described first terminal Temporal information and its Wi-Fi emission source information collected/and mobile base station information；

Described temporal information is in described time threshold effective range, and server gathers according to described first terminal The Wi-Fi emission source information arrived/and mobile base station information, with all Wi-Fi emission sources in described UNICOM region Information/and mobile base station information are mated, and obtain the terminal distance matched with described first terminal.

As another embodiment, in described UNICOM region, all Wi-Fi emission source information include: described UNICOM All Wi-Fi access point MAC Address set collected in region, each access point signals intensity set and Neighborhood between each access point；Described mobile base station information at least includes base station LAC and base station CID.

As another embodiment, further, described method also includes:

All Wi-Fi emission source information in pre-configured time threshold and described UNICOM region；

Receive temporal information that each terminal in described UNICOM region uploads and its Wi-Fi collected launches Source information；Described Wi-Fi emission source information at least includes: the Wi-Fi access point MAC that described terminal collects Address set.

As another embodiment, the step of the terminal distance that described acquisition and described first terminal match is concrete Including:

When the data structure that the record in described server database is uploaded to described server with described first terminal There is identical MAC Address, then according to formula Dist=D in the record become_sim-min+p_dif-new*(D_sim-max-D_sim-min) The terminal matched with described first terminal calculating described first terminal and described server database record away from From Dist；

Described D_sim-minRefer to that the record in described server database and described first terminal are to described server In the record that the data uploaded are constituted, have in the distance range that the ratio shared by identical MAC Address is corresponding Distance minima；Described D_sim-maxRefer to the record in described server database with described first terminal to described In the record that the data that server is uploaded are constituted, there is the distance model that the ratio shared by identical MAC Address is corresponding Distance maximum in enclosing；Described P_dif-newRefer to according to the record in described server database and described first In the record that the data that terminal is uploaded to described server are constituted, there is the ratio shared by different MAC Address and change The weight factor obtained；

When the record in the data base of server and described first terminal are uploaded to the data composition of described server Record in when there is not identical MAC Address, the end that the most described first terminal is matched with other The base station LAC and base station CID of the mobile base station information of end are the most consistent；When described mobile base station information one During cause, distance Dist of the Wi-Fi terminal that described first terminal is corresponding with the record of described server database Diameter less than or equal to base station range；When described mobile base station information is inconsistent, then more than base The diameter of coverage of standing.

As another embodiment, described Pdif-new is according to formulaIt is calculated；

Wherein, described P_difRefer in record in described server database and the record of described first terminal not With the ratio that MAC Address is shared in two records；Described p_dif-minRefer to, if the scope of 0-100% is divided into Dry interval, described P_difMinima in the interval range at place；Described p_dif-maxRefer to described P_difPlace Maximum in interval range.

As another embodiment, described P_difAccording to formulaCalculate Obtain；

Wherein, the record during described MacNum refers to described server database and the record of described first terminal In the number of identical MAC Address；The record that M Yu N is respectively in described server database is with described first eventually The number of MAC Address in the record of end.

As another embodiment, the scope of 0-100% is divided into following 4 intervals: (0,20%), (20%, 40%), (40%, 80%), (80%, 1), work as P_difWhen falling into that wherein some is interval, described p_dif-minWith described p_dif-max It is minima and the maximum in this interval represented.

As another embodiment, described D_sim-minAnd D_sim-maxBy calculating D_simObtain；Described D_simRefer to described Recording and in the record of described first terminal in server database, the ratio pair shared by identical MAC Address The distance range answered, described D_sim-minAnd D_sim-maxThe minima in this interval represented and maximum；

Its calculation is: according to formulaRecord in calculation server data base is with described Ratio P shared by identical MAC Address in the record of first terminal_sim, wherein min (N, M) refers to take described Smaller value in N Yu M；Work as P_simWhen >=80%, D_simTake 10-30m；As 40%≤P_simDuring ＜ 80%, D_simTake 30-50m；As 20%≤P_simDuring ＜ 40%, D_simTake 50-70m；As 0 ＜ P_simDuring ＜ 20%, D_simTake 70-100m； P_simWhen=0, D_sim＞ 100m, then D_istMore than 100m.

As another embodiment, described D_sim-minAnd D_sim-maxPass through D_simIt is calculated；Described D_simRefer to clothes Record in business device data base is with the record of described first terminal, and the ratio shared by identical MAC Address is corresponding Distance range, described D_sim-minAnd D_sim-maxThe minima in this interval represented and maximum；It calculates Mode is: according to formulaRecord in calculation server data base and the record of first terminal In ratio P shared by identical MAC Address_sim, wherein min (N, M) refers to the smaller value taking in N Yu M； Work as P_simWhen >=80%, D_simTake 10-30m；As 40%≤P_simDuring ＜ 80%, D_simTake 30-50m；As 20%≤P_sim During ＜ 40%, D_simTake 50-70m；As 0 ＜ P_simDuring ＜ 20%, D_simTake 70-100m.

As another embodiment, when the record in server database is not deposited in the record of described first terminal At identical MAC Address, and the base station LAC and base station CID of mobile base station information are consistent, then Dist is big In 100m；When the record with first terminal of the record in server database does not exist identical MAC Address, And the base station LAC and base station CID of mobile base station information are inconsistent, then Dist is more than 600m.

Second aspect, the embodiment of the present invention provides a kind of server, and this server includes:

Information acquisition unit, in being used for obtaining UNICOM region, all Wi-Fi emission source information/and mobile base station are believed Breath and preset time threshold；

Request reception unit, obtains request for receiving the distance of first terminal；Described distance obtains in request Including: described first terminal temporal information and its Wi-Fi emission source information collected/and mobile base station are believed Breath；

Distance acquiring unit, for described temporal information in described time threshold effective range, server root The Wi-Fi emission source information/collected according to described first terminal and mobile base station information, with described UNICOM region Interior all Wi-Fi emission source information/and mobile base station information are mated, and obtain and described first terminal phase The terminal distance joined.

The third aspect, the embodiment of the present invention provides a kind of distance based on Wi-Fi to obtain system, this system bag Include: at least one terminal and server described above；

Described terminal, for Real-time Collection Wi-Fi emission source information/and mobile base station information, and in real time by institute State the Wi-Fi emission source information collected, mobile base station information and corresponding temporal information thereof and upload to described clothes Business device；

Described server, for store Wi-Fi emission source information/that described terminal uploads and mobile base station information, Temporal information, and, described temporal information is in described time threshold effective range, and server is according to described The Wi-Fi emission source information that terminal collects/and mobile base station information, with all Wi-Fi in described UNICOM region Emission source information/and mobile base station information are mated, and obtain the terminal distance matched with described terminal.

Fourth aspect, the embodiment of the present invention provides a kind of electronic equipment, and this electronic equipment includes: processor, Memorizer, communication interface and bus；

Described processor, described memorizer and described communication interface are connected by described bus and complete each other Communication；

Described memorizer storage executable program code；

Described processor by read the executable program code of storage in described memorizer run with described can Perform the program that program code is corresponding, for:

Obtain all Wi-Fi emission source information/and mobile base station information and preset time threshold in UNICOM region；

Described temporal information, in described time threshold effective range, collects according to described first terminal Wi-Fi emission source information/and mobile base station information, with all Wi-Fi emission source information in described UNICOM region/ Mate with mobile base station information, obtain the terminal distance matched with described first terminal.

5th aspect, the embodiment of the present invention provides a kind of distance acquisition methods based on Wi-Fi；The method bag Include: the second terminal receives the distance of first terminal and obtains request；Described distance obtains request and includes: described First terminal temporal information and its Wi-Fi emission source information collected/and mobile base station information；

Described second terminal obtains Wi-Fi emission source information/and mobile base station information and the Preset Time of himself Threshold value；

Described temporal information is in described time threshold effective range, and described second terminal is by described first terminal The Wi-Fi emission source information collected/and mobile base station information, with himself Wi-Fi emission source information/ Mate with mobile base station information, obtain the terminal distance matched with described first terminal.

As another embodiment, described Wi-Fi emission source information includes: the Wi-Fi that described first terminal collects Access point MAC Address set, neighborhood between each access point signals intensity set and each access point；Institute State mobile base station information and at least include base station LAC and base station CID.

As another embodiment, further, the terminal distance that described acquisition and described first terminal match Step specifically include:

When in described second terminal database record with described first terminal to described second terminal send away from Identical MAC Address is there is, then according to formula from obtaining in the record that request data is constituted Dist=D_sim-min+p_dif-new*(D_sim-max-D_sim-min) calculate described first terminal and described second terminal database note Terminal distance D matched with described first terminal of record_ist；

Described D_sim-minRefer to that the record in described second terminal database and described first terminal are to described second The distance that terminal sends obtains in the record that request data is constituted, and has the ratio pair shared by identical MAC Address Distance minima in the distance range answered；Described D_sim-maxRefer to record in described second terminal database with The distance that described first terminal sends to described second terminal obtains in the record that request data is constituted, and has phase With the distance maximum in the distance range that the ratio shared by MAC Address is corresponding；Described P_dif-newRefer to according to institute Stating the record in the second terminal database please to the distance acquisition that described second terminal sends with described first terminal In the record that the data asked are constituted, there is the weight factor that the ratiometric conversion shared by different MAC Address obtains；

When the record in the data base of the second terminal and described first terminal are sent to the distance of described second terminal Obtain in the record that request data is constituted when there is not identical MAC Address, the most described first terminal with The base station LAC and base station CID of the mobile base station information of other matched terminals are the most consistent；Work as institute State mobile base station information consistent time, the record of described first terminal and described second terminal database is corresponding Distance D of Wi-Fi terminal_istDiameter less than or equal to base station range；When described mobile base station information Time inconsistent, then more than the diameter of base station range.

As another embodiment, further, described P_dif-newAccording to formulaMeter Obtain；

Wherein, described P_difRefer in the record of the record in described second terminal database and described first terminal The ratio that different MAC Address are shared in two records；Described p_dif-minIf referring to be divided into the scope of 0-100% Dry interval, described P_difMinima in the interval range at place；Described p_dif-maxRefer to described P_difPlace Maximum in interval range.

As another embodiment, further, described P_difAccording to formula

It is calculated；

Wherein, the record during described MacNum refers to described second terminal database and the note of described first terminal The number of identical MAC Address in record；The record that M Yu N is respectively in described second terminal database and described the The number of MAC Address in the record of one terminal.

As another embodiment, further, the scope of 0-100% is divided into 4 intervals: (0,20%), (20%, 40%), (40%, 80%), (80%, 1), work as P_difWhen falling into that wherein some is interval, described p_dif-minWith described p_dif-maxIt is minima and the maximum in this interval represented.

As another embodiment, further, described D_sim-minAnd D_sim-maxBy calculating D_simObtain；Described D_sim Refer in the record of the record in described second terminal database and described first terminal, identical MAC Address institute The distance range that the ratio that accounts for is corresponding, described D_sim-minAnd D_sim-maxThe minima in this interval represented with Big value；

Its calculation is: according to formulaCalculate the note in described second terminal database Record ratio P shared by identical MAC Address in the record with described first terminal_sim, wherein min (N, M) is Refer to take the smaller value in described N Yu M；Work as P_simWhen >=80%, D_simTake 10-30m；As 40%≤P_sim＜ 80% Time, D_simTake 30-50m；As 20%≤P_simDuring ＜ 40%, D_simTake 50-70m；As 0 ＜ P_simDuring ＜ 20%, D_sim Take 70-100m；P_simWhen=0, D_sim＞ 100m, then D_istMore than 100m.

As another embodiment, further, described D_sim-minAnd D_sim-maxPass through D_simIt is calculated；Described D_simRefer in the record of the record in the second terminal database and described first terminal, shared by identical MAC Address Distance range corresponding to ratio, described D_sim-minAnd D_sim-maxThe minima in this interval represented is with maximum Value；Its calculation is: according to formulaCalculate the record in the second terminal database and Ratio P shared by identical MAC Address in the record of one terminal_sim, wherein min (N, M) refers to take N and M In smaller value；Work as P_simWhen >=80%, D_simTake 10-30m；As 40%≤P_simDuring ＜ 80%, D_simTake 30-50m； As 20%≤P_simDuring ＜ 40%, D_simTake 50-70m；As 0 ＜ P_simDuring ＜ 20%, D_simTake 70-100m.

As another embodiment, further, when the record in the second terminal database and described first terminal Record in there is not identical MAC Address, and the base station LAC and base station CID mono-of mobile base station information Cause, then D_istMore than 100m；When the record in the second terminal database with the record of first terminal do not exist phase Same MAC Address, and the base station LAC and base station CID of mobile base station information are inconsistent, then D_istFor being more than 600m。

6th aspect, the embodiment of the present invention provides a kind of terminal, and this terminal includes: request reception unit, uses Request is obtained in the distance receiving first terminal；Described distance obtains request and includes: during described first terminal Between information and its Wi-Fi emission source information collected/and mobile base station information；

Information acquisition unit, is used for obtaining the Wi-Fi emission source information/of himself and mobile base station information with pre- If time threshold；

Distance acquiring unit, for described temporal information in described time threshold effective range, described second The Wi-Fi emission source information that described first terminal is collected by terminal/and mobile base station information, with himself Wi-Fi emission source information/and mobile base station information are mated, and obtain the end matched with described first terminal End distance.

As another embodiment, further, described distance acquiring unit, specifically for when described second end The distance that record in client database sends to described second terminal with described first terminal obtains request data structure There is identical MAC Address, then according to formula Dist=D in the record become_sim-min+p_dif-new*(D_sim-max-D_sim-min) Calculate the terminal matched with described first terminal of described first terminal and described second terminal database record Distance D_ist；Described D_sim-minRefer to the record in described second terminal database with described first terminal to described The distance that second terminal sends obtains in the record that request data is constituted, and has the ratio shared by identical MAC Address Distance minima in the distance range that example is corresponding；Described D_sim-maxRefer to the note in described second terminal database Record obtains in the record that request data is constituted with described first terminal to the distance that described second terminal sends, tool There is the distance maximum in distance range corresponding to the ratio shared by identical MAC Address；Described P_dif-newRefer to root The distance sent to described second terminal according to the record in described second terminal database and described first terminal obtains Take in the record that the data of request are constituted, have weight that the ratiometric conversion shared by different MAC Address obtains because of Son；When the record in the data base of the second terminal and described first terminal are sent to the distance of described second terminal Obtain in the record that request data is constituted when there is not identical MAC Address, the most described first terminal with The base station LAC and base station CID of the mobile base station information of other matched terminals are the most consistent；Work as institute State mobile base station information consistent time, the record of described first terminal and described second terminal database is corresponding Distance D of Wi-Fi terminal_istDiameter less than or equal to base station range；When described mobile base station information Time inconsistent, then more than the diameter of base station range.

All Wi-Fi emission source information/and mobile in the UNICOM region that the embodiment of the present invention is obtained by server Base station information and preset time threshold, obtain, with the distance of first terminal, the described first terminal carried in request Temporal information and its Wi-Fi emission source information collected/and mobile base station information are mated, thus can To get the terminal distance matched with described first terminal.Compared with prior art, the technology of the present invention side Case has only to all Wi-Fi emission source information/and mobile base station in the UNICOM region stored by server internal Information and time threshold just can get the distance between described first terminal and its terminal matched, from And reduce location complexity in prior art, improve distance and obtain precision；And technical solution of the present invention without Need early stage to carry out the staking-out work of manpower and materials, thus reduce manpower and materials cost.

Accompanying drawing explanation

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the flow chart of the distance acquisition methods based on Wi-Fi of the embodiment of the present invention one；

Fig. 2 is the structural representation of the server of the embodiment of the present invention two；

Fig. 3 is the structural representation of distance based on the Wi-Fi acquisition system of the embodiment of the present invention three；

Fig. 4 is the schematic diagram of the electronic equipment of the embodiment of the present invention four；

Fig. 5 is the schematic diagram of embodiment of the present invention Zhong Liangkuai UNICOM region Ω 1 and Ω 2；

Fig. 6 is in the embodiment of the present invention in UNICOM region Ω 1 in terminal A and terminal B and UNICOM region Ω 1 Terminal A and terminal B and the link relation schematic diagram of terminal C in UNICOM region Ω 2；

Fig. 7 is to use 4 Wi-Fi emission sources, 2 mobile base station system frameworks to show in the embodiment of the present invention It is intended to；

Fig. 8 is the flow chart of the distance acquisition methods based on Wi-Fi of the embodiment of the present invention five；

Fig. 9 is the structural representation of the terminal of the embodiment of the present invention six.

Detailed description of the invention

Method and device is recommended to retouch in detail embodiment of the present invention one application program below in conjunction with the accompanying drawings State.It will be appreciated that described embodiment be only the present invention a part of embodiment rather than whole realities Execute example.Based on the embodiment in the present invention, those of ordinary skill in the art are not before making creative work Put all other embodiments obtained, broadly fall into the scope of protection of the invention.

As it is shown in figure 1, the embodiment of the present invention one provides a kind of distance acquisition methods based on Wi-Fi；Should Method includes:

101: in server acquisition UNICOM region, all Wi-Fi emission source information/and mobile base station information are with pre- If time threshold；In described UNICOM region, all Wi-Fi emission source information include: institute in described UNICOM region There are the Wi-Fi access point MAC Address set collected, each access point signals intensity set and each access Neighborhood between point；Described mobile base station information at least includes base station LAC and base station CID.

102: the distance receiving first terminal obtains request；Described distance obtains request and includes: described first Terminal time information and its Wi-Fi emission source information collected/and mobile base station information；

103: described temporal information is in described time threshold effective range, and server is according to described first terminal The Wi-Fi emission source information collected/and mobile base station information, sends out with all Wi-Fi in described UNICOM region Penetrate source information/and mobile base station information is mated, obtain the terminal distance matched with described first terminal.

It should be noted that the method can also comprise the steps:

All Wi-Fi emission source information/and mobile in the UNICOM region that the embodiment of the present invention is obtained by server Base station information and preset time threshold, obtain, with the distance of first terminal, the described first terminal carried in request Temporal information and its Wi-Fi emission source information collected/and mobile base station information are mated, thus can To get the terminal distance matched with described first terminal.Compared with prior art, the technology of the present invention side Case has only in the range of pre-configured time threshold, by all in the UNICOM region that server internal stores Wi-Fi emission source information/and mobile base station information and time threshold just can get described first terminal and its Distance between the terminal matched, thus reduce location complexity in prior art, improve distance and obtain Take precision；And technical solution of the present invention carries out the staking-out work of manpower and materials without early stage, thus reduce people Power material resources cost.

As in figure 2 it is shown, the embodiment of the present invention two additionally provides a kind of server, this server includes:

Information acquisition unit 201, all Wi-Fi emission source information/and mobile base in being used for obtaining UNICOM region Information of standing and preset time threshold；In described UNICOM region, all Wi-Fi emission source information include: described All Wi-Fi access point MAC Address set collected in logical region, each access point signals intensity set And neighborhood between each access point；Described mobile base station information at least includes base station LAC and base station CID.

Request reception unit 202, obtains request for receiving the distance of first terminal；Described distance obtains request Include: described first terminal temporal information and its Wi-Fi emission source information/collected and mobile base station Information；

Distance acquiring unit 203, for described temporal information in described time threshold effective range, server The Wi-Fi emission source information/collected according to described first terminal and mobile base station information, with district of described UNICOM In territory, all Wi-Fi emission source information/and mobile base station information are mated, and obtain and described first terminal phase The terminal distance of coupling.

It should be noted that this server also includes:

Pre-configured unit, all Wi-Fi emission sources letter in pre-configured time threshold and described UNICOM region Breath；

Information receiving unit, for receiving the temporal information and its that each terminal in described UNICOM region uploads The Wi-Fi emission source information collected；Described Wi-Fi emission source information at least includes: described terminal collection The Wi-Fi access point MAC Address set arrived.

Also, it should be noted described distance acquiring unit is specifically for when the note in described server database Record and in the record that the data that described server is uploaded are constituted, there is identical MAC Address with described first terminal, Then according to formula Dist=D_sim-min+p_dif-new*(D_sim-max-D_sim-min) calculate described first terminal and described server Terminal distance Dist matched with described first terminal of data-base recording；Described D_sim-minRefer to described service In the record that the data that record in device data base is uploaded to described server with described first terminal are constituted, have There is the distance minima in distance range corresponding to the ratio shared by identical MAC Address；Described D_sim-maxRefer to institute State the record that the record in server database is constituted to the data that described server is uploaded with described first terminal In, there is the distance maximum in the distance range that the ratio shared by identical MAC Address is corresponding；Described P_dif-new Refer to the data uploaded to described server according to the record in described server database with described first terminal In the record constituted, there is the weight factor that the ratiometric conversion shared by different MAC Address obtains；Work as server Data base in record with described first terminal be uploaded to described server data composition record in do not deposit When identical MAC Address, the mobile base station of the most described first terminal and other matched terminals The base station LAC and base station CID of information are the most consistent；When described mobile base station information is consistent, described Distance Dist of the Wi-Fi terminal that one terminal is corresponding with the record of described server database is less than or equal to The diameter of base station range；When described mobile base station information is inconsistent, then more than base station range Diameter.

As shown in Figure 8, the embodiment of the present invention five additionally provides a kind of distance acquisition methods based on Wi-Fi； The method includes:

801: the second terminals receive the distance of first terminal and obtain request；Described distance obtains request and includes: Described first terminal temporal information and its Wi-Fi emission source information collected/and mobile base station information；Its In, described Wi-Fi emission source information includes: the Wi-Fi access point MAC ground that described first terminal collects Location (MAC Address) is gathered, neighborhood between each access point signals intensity set and each access point；Described Mobile base station information at least includes base station LAC and base station CID.

802: described second terminal obtains himself Wi-Fi emission source information/and mobile base station information and pre- If time threshold；

803: described temporal information is in described time threshold effective range, and described second terminal is by described first The Wi-Fi emission source information that terminal collects/and mobile base station information, believe with the Wi-Fi emission source of himself Breath/and mobile base station information are mated, and obtain the terminal distance matched with described first terminal.This step Specifically include:

It should be noted that described P_dif-newAccording to formulaIt is calculated；

Described P_difAccording to formulaIt is calculated；

The scope of 0-100% is divided into 4 intervals: (0,20%), (20%, 40%), (40%, 80%), (80%, 1), P is worked as_difWhen falling into that wherein some is interval, described p_dif-minWith described p_dif-maxIt it is this interval represented Minima and maximum.

Described D_sim-minAnd D_sim-maxBy calculating D_simObtain；Described D_simRefer to described second terminal database In record with in the record of described first terminal, the distance range that ratio shared by identical MAC Address is corresponding, Described D_sim-minAnd D_sim-maxThe minima in this interval represented and maximum；

Its calculation is: according to formulaCalculate the record in described second terminal database Ratio P shared by MAC Address identical with the record of described first terminal_sim, wherein min (N, M) refers to Take the smaller value in described N Yu M；Work as P_simWhen >=80%, D_simTake 10-30m；As 40%≤P_simDuring ＜ 80%, D_simTake 30-50m；As 20%≤P_simDuring ＜ 40%, D_simTake 50-70m；As 0 ＜ P_simDuring ＜ 20%, D_simTake 70-100m；P_simWhen=0, D_sim＞ 100m, then D_istMore than 100m.

Described D_sim-minAnd D_sim-maxPass through D_simIt is calculated；Described D_simRefer to the note in the second terminal database Record with in the record of described first terminal, the distance range that ratio shared by identical MAC Address is corresponding, described D_sim-minAnd D_sim-maxThe minima in this interval represented and maximum；Its calculation is: according to formulaCalculate the record in the second terminal database and identical MAC Address in the record of first terminal Shared ratio P_sim, wherein min (N, M) refers to the smaller value taking in N Yu M；Work as P_simWhen >=80%, D_simTake 10-30m；As 40%≤P_simDuring ＜ 80%, D_simTake 30-50m；As 20%≤P_simDuring ＜ 40%, D_sim Take 50-70m；As 0 ＜ P_simDuring ＜ 20%, D_simTake 70-100m.

When the record with described first terminal of the record in the second terminal database does not exist identical MAC ground Location, and the base station LAC and base station CID of mobile base station information are consistent, then D_istMore than 100m；When second is whole There is not identical MAC Address, and mobile base station letter in the record in client database and the record of first terminal The base station LAC and base station CID of breath are inconsistent, then D_istFor more than 600m.

As it is shown in figure 9, the embodiment of the present invention six additionally provides a kind of terminal, this terminal includes:

Request reception unit 901, obtains request for receiving the distance of first terminal；Described distance obtains request Include: described first terminal temporal information and its Wi-Fi emission source information/collected and mobile base station Information；Described Wi-Fi emission source information includes: the Wi-Fi access point MAC that described first terminal collects Address set, neighborhood between each access point signals intensity set and each access point；Described mobile base station Information at least includes base station LAC and base station CID.

Information acquisition unit 902, for obtaining himself Wi-Fi emission source information/and mobile base station information And preset time threshold；

Distance acquiring unit 903, for described temporal information in described time threshold effective range, described The Wi-Fi emission source information that described first terminal is collected by two terminals/and mobile base station information, with himself Wi-Fi emission source information/and mobile base station information mate, obtain and described first terminal match Terminal distance.

It should be noted that described distance acquiring unit, specifically for when in described second terminal database Record and deposit in the record that the distance acquisition request data that described second terminal sends is constituted with described first terminal At identical MAC Address, then according to formula Dist=D_sim-min+p_dif-new*(D_sim-max-D_sim-min) calculate described first Terminal and terminal distance D matched with described first terminal of described second terminal database record_ist；Described D_sim-minRefer to what the record in described second terminal database and described first terminal sent to described second terminal Distance obtains in the record that request data is constituted, and has the distance model that the ratio shared by identical MAC Address is corresponding Distance minima in enclosing；Described D_sim-maxRefer to the record in described second terminal database with described first eventually Hold the distance sent to described second terminal to obtain in the record that request data is constituted, there is identical MAC Address Distance maximum in the distance range that shared ratio is corresponding；Described P_dif-newRefer to according to described second terminal Record in data base and described first terminal obtain the data structure of request to the distance that described second terminal sends In the record become, there is the weight factor that the ratiometric conversion shared by different MAC Address obtains；When the second terminal Data base in record with described first terminal be sent to described second terminal distance obtain request data structure When there is not identical MAC Address in the record become, the most described first terminal is matched with other The base station LAC and base station CID of the mobile base station information of terminal are the most consistent；When described mobile base station information Time consistent, the distance of the Wi-Fi terminal that described first terminal is corresponding with the record of described second terminal database D_istDiameter less than or equal to base station range；When described mobile base station information is inconsistent, then it is more than The diameter of base station range.

As it is shown on figure 3, the embodiment of the present invention three additionally provides a kind of distance based on Wi-Fi obtains system； This system includes: at least one terminal and server described above；

Based on above method, server and system architecture, below by way of specific embodiment to based on Wi-Fi Distance acquisition process be described in detail.If UNICOM based on Wi-Fi region Ω 1 and UNICOM region Ω 2 is such as Shown in Fig. 5, wherein dot represents WAP；Described UNICOM region Ω 1 currently there are terminal A and end End B, currently has terminal C, as shown in Figure 6 in described UNICOM region Ω 2；

(1), after present terminal A and B opens Wi-Fi, Wi-Fi emission source information around and movement are gathered Base station information, and upload to server and include described Wi-Fi emission source information and the data of mobile base station information； Described Wi-Fi emission source information includes MAC Address；Described mobile base station information includes base station LAC and base Stand CID；Described present terminal A and B includes but not limited to described Wi-Fi to the data that described server is uploaded Emission source information, described mobile base station information, as the present embodiment preferred embodiment, described current end The data to described server transport are held also to include temporal information；Obviously, those skilled in the art also can basis Actual demand adds other information, such as, the personal information such as hobby of terminal use.

(2), after server receives the distance acquisition request of described present terminal, pass according to described present terminal Defeated includes Wi-Fi emission source information and the data of mobile base station information, finds therein in data base Satisfactory record (the number of the information match carried in the distance acquisition request i.e. sent with present terminal According to), calculate, draw the other-end existed around described present terminal and the distance with other-end；

It should be noted that described server internal data base is recorded as other-end collection and to described The record that the data including around Wi-Fi emission source information and mobile base station information of server transport are constituted； Preferably, described data also include temporal information；For obtaining real-time results, in the present embodiment, described in meet The time being recorded as being formed required and described present terminal transmit the time of data note within the same time period Record.Obviously, those skilled in the art can set or add other requirements according to the actual requirements, such as, described Satisfactory record can also is that the terminal use of correspondence has the record etc. of identical hobby.

It is as follows that it calculates process:

When the record with described present terminal of the record in described data base exists identical MAC Address, then According to formula Dist=D_sim-min+p_dif-new*(D_sim-max-D_sim-min) calculate present terminal and number Distance D recording corresponding Wi-Fi mobile terminal according to storehouse_ist；

Described P_dif-newAccording to formulaIt is calculated；

Wherein, described P_difRefer in record in described server database and the record of described present terminal not With the ratio that MAC Address is shared in two records；Described p_dif-minRefer to be divided into some by the scope of 0-100% Individual interval, described P_difMinima in the interval range at place；Described p_dif-maxRefer to described P_difThe district at place Maximum in the range of between.As concrete implementation mode, the scope of 0-100% is divided into following 4 intervals: (0,20%), (20%, 40%), (40%, 80%), (80%, 1)；

Described P_difAccording to formulaIt is calculated；

Wherein, the record during described MacNum refers to described server database and the record of described present terminal In the number of identical MAC Address；What M Yu N was respectively in described data base records the note with described present terminal The number of MAC Address in record.

Described D_sim-minAnd D_sim-maxPass through D_simIt is calculated；Described D_simRefer to the note in server database Record with in the record of present terminal, the distance range that ratio shared by identical MAC Address is corresponding, described D_sim-min And D_sim-maxRepresent D_simThe minima in region and maximum；Its calculation is: according to formulaRecord in calculation server data base and identical MAC Address institute in the record of present terminal Ratio P accounted for_sim, wherein min (N, M) refers to the smaller value taking in N Yu M；According to experiment experience, when P_simWhen >=80%, D_simTake 10-30m；As 40%≤P_simDuring ＜ 80%, D_simTake 30-50m；As 20%≤P_sim＜ When 40%, D_simTake 50-70m；As 0 ＜ P_simDuring ＜ 20%, D_simTake 70-100m.

When there is not identical MAC Address in the record with present terminal of the record in server database, The base station LAC and base station CID that then compare mobile base station information are the most consistent；When mobile base station, information is consistent Time, distance Dist of the Wi-Fi mobile terminal that present terminal is corresponding with the record of data base is less than or equal to The diameter of base station range；When mobile base station information is inconsistent, Dist is straight more than base station range Footpath.According to current experience, the coverage of common Wi-Fi emission source is 50m, its coverage a diameter of 100m；Base station range is 300m, a diameter of 600m of its coverage.As concrete implementation mode, In the present embodiment, when the record with present terminal of the record in data base does not exist identical MAC Address, And the base station LAC and base station CID of mobile base station information are consistent, then Dist is 100-600m；Work as server Identical MAC Address, and mobile base station information is there is not in the record in data base in the record of present terminal Base station LAC and base station CID inconsistent, then Dist is more than 600m；

(3) result of calculation in step (2) is transmitted to described present terminal by described server；

(4) if being unsatisfied with result, described present terminal can refresh again, searches again for and calculates.

Below, as it is shown in fig. 7, to based on Wi-Fi as a example by 4 Wi-Fi emission sources, 2 mobile base stations Distance acquisition methods be further described.Wherein, 4 described Wi-Fi emission sources be designated as respectively MAC1, MAC2, MAC3, MAC4,2 described mobile base stations are designated as (LAC1, CID1), (LAC2, CID2) respectively. Assuming the record that 4 terminals were all formed within the same time period, the time is designated as T1, T2, T3, T4 respectively, And the time difference between T1, T2, T3, T4 is all not more than time threshold T0.The record formed is as follows:

Record1:T1+LAC1+CID1+MAC2+MAC3

Record2:T2+LAC1+CID1+MAC1+MAC2+MAC3

Record3:T3+LAC2+CID2+MAC4

Record4:T4+LAC1+CID1+MAC1+MAC3

The distance acquisition methods based on Wi-Fi of the present embodiment, specifically includes following steps:

(1) after first terminal (i.e. present terminal, lower same) opens Wi-Fi, the Wi-Fi around Real-time Collection Emission source information and mobile base station information, add time stamp T 1, be designated as " Record1:

T1+LAC1+CID1+MAC2+MAC3 ", and to these data of server transport；

(2), after server receives the data of described first terminal, according to these data, seek in its database Find record Record2, Record3, the Record4 in this time period, calculate respectively described first terminal with In the distance of the second corresponding for the Record2 terminal in server database and server database The 4th terminal that the distance of the third terminal that Record3 is corresponding is corresponding with the Record4 in server database Distance；

The calculating of distance Dist1 of described first terminal and described second terminal:

Owing to the described first terminal record with described second terminal existing identical MAC Address, therefore, According to formula Dist=D_sim-min+p_dif-new*(D_sim-max-D_sim-min) calculate；

Wherein, described D_sim-minRefer to described second terminal and described first terminal to described server transport Distance minima in the record that data are constituted, in the distance range that ratio shared by identical MAC Address is corresponding； Described D_sim-maxRefer in the record of described second terminal and described first terminal, the ratio shared by identical MAC Address Distance maximum in the distance range that example is corresponding；Described P_dif-newRefer to according to described second terminal and described the In the record of one terminal, the weight factor that different ratiometric conversions shared by MAC Address obtain.

Described P_dif-newAccording to formulaIt is calculated；Wherein, described P_difRefer to The ratio that described second terminal is shared in two records from different MAC Address in the record of described first terminal； Described p_dif-minRefer to be divided into the scope of 0-100% 4 intervals, be respectively (0,20%), (20%, 40%), (40%, 80%), (80%, 1), described P_difMinima in the interval range at place；Described p_dif-maxRefer to Described P_difMaximum in the interval range at place.

Described P_difAccording to formulaIt is calculated；

Wherein, described MacNum refers to described second terminal and identical MAC Address in the record of first terminal Number；M Yu N be respectively the record of described second terminal with in the record of described first terminal MAC Address Number.

Described D_sim-minAnd D_sim-maxPass through D_simIt is calculated；Described D_simRefer to that described second terminal is with described In the record of first terminal, the distance range that ratio shared by identical MAC Address is corresponding；Its calculation is: According to formulaCalculate described second terminal and identical MAC ground in the record of described first terminal Ratio P shared by location_sim, wherein min (N, M) refers to the smaller value taking in N Yu M；Work as P_simWhen >=80%, D_simTake 10-30m；As 40%≤P_simDuring ＜ 80%, D_simTake 30-50m；As 20%≤P_simDuring ＜ 40%, D_sim Take 50-70m；As 0 ＜ P_simDuring ＜ 20%, D_simTake 70-100m.

Calculating process is as follows:

Thus can obtain, described D_simFor 10-30m.

p_{d i f} = \frac{(N - M a c N u m) + (M - M a c N u m)}{N + M - M a c N u m} = \frac{(2 - 2) + (3 - 2)}{2 + 3 - 2} = 33.3 %

p_{d i f - n e w} = \frac{p_{d i f} - p_{d i f - \min}}{p_{d i f - \max} - p_{d i f - \min}} = \frac{33.3 % - 20 %}{40 % - 20 %} = 66.7 %

Dist=D_sim-min+p_dif-new*(D_sim-max-D_sim-min)=10+66.7% (30-10)=23.3 (m)

Described first terminal and distance D of described third terminal_ist2Calculating: owing to described first terminal is with described The record of third terminal do not exists identical MAC Address, and the base station LAC of dynamic base station information and base station CID is inconsistent, then D_istFor more than 600m, region the most nearby；

In like manner can calculate the distance of described first terminal and described 4th terminal；

(3) server is by step 2) in result of calculation transmit to terminal；

As shown in Figure 4, the embodiment of the present invention four additionally provides a kind of electronic equipment, including: processor 41, Memorizer 42, communication interface 43 and bus 44.Described processor 41, described memorizer 42 communicate with described Interface 43 is connected by described bus and completes mutual communication；The storage of described memorizer 42 can perform journey Sequence code；Described processor runs and institute by reading the executable program code of storage in described memorizer State the program that executable program code is corresponding, for:

This electronic equipment exists in a variety of forms, includes but not limited to:

Server: provide calculate service equipment, the composition of server include processor, hard disk, internal memory, System bus etc., server is similar with general computer architecture, but owing to needing to provide highly reliable clothes Business, therefore at aspects such as disposal ability, stability, reliability, safety, extensibility, manageabilitys Require higher.

The terminal distance acquisition methods that technical solution of the present invention uses, not carries out physics absolute position to terminal Be accurately positioned, but by all Wi-Fi emission source information in UNICOM region/and mobile base station information and time Between threshold value, obtain in request, with the distance of first terminal, the described first terminal temporal information carried and it adopted Collect to Wi-Fi emission source information/and mobile base station information mate, such that it is able to get and described the The terminal distance that one terminal matches, i.e. get the other-end that around matches with described first terminal with Distance between described first terminal.The range of technical solution of the present invention can be in indoor and outdoor, and nothing Terminal need to be carried out any transformation, use simple, convenient, fast, and, orientation range arrives greatly hundreds of meters, Little to 10m, higher positioning precision can be realized, and technical solution of the present invention only need to be done simply at server end Calculating can draw the distance of described first terminal and other-end, it is to avoid substantial amounts of calculating, and it is fixed to simplify The process of position, also ensure that positioning precision simultaneously.

One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, Can be by computer program and complete to instruct relevant hardware, described program can be stored in a calculating In machine read/write memory medium, this program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method. Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, Or random store-memory body (Random Access Memory, RAM) etc. ROM).

The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to This, any those familiar with the art, in the technical scope that the invention discloses, can readily occur in Change or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention Should be as the criterion with scope of the claims.

Claims

1. a distance acquisition methods based on Wi-Fi, it is characterised in that including:

Second terminal receives the distance of first terminal and obtains request；Described distance obtains request and includes: described First terminal temporal information and its Wi-Fi emission source information collected/and mobile base station information；

Method the most according to claim 1, it is characterised in that described Wi-Fi emission source information includes: The Wi-Fi access point MAC Address set that described first terminal collects, each access point signals intensity set And neighborhood between each access point；Described mobile base station information at least includes base station LAC and base station CID.

Method the most according to claim 2, it is characterised in that described acquisition and described first terminal phase The step of the terminal distance of coupling specifically includes:

4. according to the method described in claim 3, it is characterised in that described P_dif-newAccording to formulaIt is calculated；

5. according to the method described in claim 4, it is characterised in that described P_difAccording to formulaIt is calculated；

6. according to the method described in claim 4 or 5, it is characterised in that the scope of 0-100% is divided into 4 intervals: (0,20%), (20%, 40%), (40%, 80%), (80%, 1), work as P_difFall into the most a certain During individual interval, described p_dif-minWith described p_dif-maxIt is minima and the maximum in this interval represented.

Method the most according to claim 6, it is characterised in that described D_sim-minAnd D_sim-maxBy meter Calculate D_simObtain；Described D_simRefer to the record of the record in described second terminal database and described first terminal In, the distance range that ratio shared by identical MAC Address is corresponding, described D_sim-minAnd D_sim-maxRepresent this The minima in individual interval and maximum；

Method the most according to claim 7, it is characterised in that described D_sim-minAnd D_sim-maxPass through D_simIt is calculated；Described D_simRefer in the record of the record in the second terminal database and described first terminal, The distance range that ratio shared by identical MAC Address is corresponding, described D_sim-minAnd D_sim-maxThis district represented Between minima and maximum；Its calculation is: according to formulaCalculate the second number of terminals According to ratio P shared by identical MAC Address in the record with first terminal of the record in storehouse_sim, wherein min (N, M) smaller value taking in N Yu M is referred to；Work as P_simWhen >=80%, D_simTake 10-30m；As 40%≤P_sim＜ 80% Time, D_simTake 30-50m；As 20%≤P_simDuring ＜ 40%, D_simTake 50-70m；As 0 ＜ P_simDuring ＜ 20%, D_sim Take 70-100m.

Method the most according to claim 8, it is characterised in that the record in the second terminal database With the record of described first terminal does not exist identical MAC Address, and the base station LAC of mobile base station information And base station CID is consistent, then D_istMore than 100m；When the record in the second terminal database and first terminal Record does not exist identical MAC Address, and the base station LAC and base station CID of mobile base station information differ Cause, then D_istFor more than 600m.

10. a terminal, it is characterised in that including:

11. terminals according to claim 10, it is characterised in that described Wi-Fi launches source packet Include: the Wi-Fi access point MAC Address set that described first terminal collects, each access point signals intensity Neighborhood between set and each access point；Described mobile base station information at least includes base station LAC and base station CID。

12. terminals according to claim 11, it is characterised in that described distance acquiring unit, specifically For when in described second terminal database record with described first terminal to described second terminal send away from Identical MAC Address is there is, then according to formula from obtaining in the record that request data is constituted Dist=D_sim-min+p_dif-new*(D_sim-max-D_sim-min) calculate described first terminal and described second terminal database note Terminal distance D matched with described first terminal of record_ist；Described D_sim-minRefer to described second terminal data The distance that record in storehouse sends to described second terminal with described first terminal obtains the note that request data is constituted In record, there is the distance minima in the distance range that the ratio shared by identical MAC Address is corresponding；Described D_sim-max Refer to the distance that the record in described second terminal database sends to described second terminal with described first terminal Obtain in the record that request data is constituted, have in the distance range that the ratio shared by identical MAC Address is corresponding Distance maximum；Described P_dif-newRefer to according to the record in described second terminal database with described first eventually In the record that the data holding the distance sent to described second terminal to obtain request are constituted, there is different MAC ground The weight factor that ratiometric conversion shared by location obtains；When the record in the data base of the second terminal and described first There is not identical MAC in the record of the distance acquisition request data composition that terminal is sent to described second terminal During address, the base station LAC of the most described first terminal and the mobile base station information of other matched terminals And base station CID is the most consistent；When described mobile base station information is consistent, described first terminal and described the Distance D of the Wi-Fi terminal of the record correspondence of two terminal databases_istLess than or equal to base station range Diameter；When described mobile base station information is inconsistent, then more than the diameter of base station range.

13. 1 kinds of distance acquisition methods based on Wi-Fi, it is characterised in that including:

14. methods according to claim 13, it is characterised in that all Wi-Fi in described UNICOM region Emission source information includes: all Wi-Fi access point MAC Address set collected in described UNICOM region, Neighborhood between each access point signals intensity set and each access point；Described mobile base station information is at least wrapped Include base station LAC and base station CID.

15. methods according to claim 14, it is characterised in that described method also includes:

16. methods according to claim 15, it is characterised in that described acquisition and described first terminal The step of the terminal distance matched specifically includes:

When the data structure that the record in described server database is uploaded to described server with described first terminal There is identical MAC Address, then according to formula Dist=D in the record become_sim-min+p_dif-new*(D_sim-max-D_sim-min) The terminal matched with described first terminal calculating described first terminal and described server database record away from From D_ist；

When the record in the data base of server and described first terminal are uploaded to the data composition of described server Record in when there is not identical MAC Address, the end that the most described first terminal is matched with other The base station LAC and base station CID of the mobile base station information of end are the most consistent；When described mobile base station information one During cause, distance D of the Wi-Fi terminal that described first terminal is corresponding with the record of described server database_ist Diameter less than or equal to base station range；When described mobile base station information is inconsistent, then more than base The diameter of coverage of standing.

17. according to the method described in claim 16, it is characterised in that described P_dif-newAccording to formulaIt is calculated；

Wherein, described P_difRefer in record in described server database and the record of described first terminal not With the ratio that MAC Address is shared in two records；Described p_dif-minRefer to be divided into some by the scope of 0-100% Individual interval, described P_difMinima in the interval range at place；Described p_dif-maxRefer to described P_difThe district at place Maximum in the range of between.

18. according to the method described in claim 17, it is characterised in that described P_difAccording to formulaIt is calculated；

19. according to the method described in claim 17 or 18, it is characterised in that by the scope of 0-100% It is divided into 4 intervals: (0,20%), (20%, 40%), (40%, 80%), (80%, 1), works as P_difFall into wherein When some is interval, described p_dif-minWith described p_dif-maxIt is minima and the maximum in this interval represented.

20. methods according to claim 19, it is characterised in that described D_sim-minAnd D_sim-maxPass through Calculate D_simObtain；Described D_simRefer to the record of the record in described server database and described first terminal In, the distance range that ratio shared by identical MAC Address is corresponding, described D_sim-minAnd D_sim-maxRepresent this The minima in individual interval and maximum；

Its calculation is: according to formulaCalculate record in described server database with Ratio P shared by identical MAC Address in the record of described first terminal_sim, wherein min (N, M) refers to take Smaller value in described N Yu M；Work as P_simWhen >=80%, D_simTake 10-30m；As 40%≤P_simDuring ＜ 80%, D_simTake 30-50m；As 20%≤P_simDuring ＜ 40%, D_simTake 50-70m；As 0 ＜ P_simDuring ＜ 20%, D_simTake 70-100m；P_simWhen=0, D_sim＞ 100m, then D_istMore than 100m.

21. methods according to claim 20, it is characterised in that described D_sim-minAnd D_sim-maxLogical Cross D_simIt is calculated；Described D_simRefer in the record of the record in server database and described first terminal, The distance range that ratio shared by identical MAC Address is corresponding, described D_sim-minAnd D_sim-maxThis district represented Between minima and maximum；Its calculation is: according to formulaCalculation server data Ratio P shared by identical MAC Address in the record of the record in storehouse and first terminal_sim, wherein min (N, M) Refer to the smaller value taking in N Yu M；Work as P_simWhen >=80%, D_simTake 10-30m；As 40%≤P_simDuring ＜ 80%, D_simTake 30-50m；As 20%≤P_simDuring ＜ 40%, D_simTake 50-70m；As 0 ＜ P_simDuring ＜ 20%, D_simTake 70-100m。

22. methods according to claim 21, it is characterised in that when the record in server database With the record of described first terminal does not exist identical MAC Address, and the base station LAC of mobile base station information And base station CID is consistent, then D_istMore than 100m；Note when the record in server database Yu first terminal Record does not exist identical MAC Address, and the base station LAC and base station CID of mobile base station information is inconsistent, Then D_istFor more than 600m.

23. 1 kinds of servers, it is characterised in that including:

24. servers according to claim 23, it is characterised in that all Wi-Fi in described UNICOM region Emission source information includes: all Wi-Fi access point MAC Address set collected in described UNICOM region, Neighborhood between each access point signals intensity set and each access point；Described mobile base station information is at least wrapped Include base station LAC and base station CID.

25. servers according to claim 24, it is characterised in that also include:

26. servers according to claim 25, it is characterised in that described distance acquiring unit is concrete For the data structure uploaded to described server with described first terminal when the record in described server database There is identical MAC Address, then according to formula Dist=D in the record become_sim-min+p_dif-new*(D_sim-max-D_sim-min) The terminal matched with described first terminal calculating described first terminal and described server database record away from From Dist；Described D_sim-minRefer to that the record in described server database and described first terminal are to described service In the record that the data that device is uploaded are constituted, have in the distance range that the ratio shared by identical MAC Address is corresponding Distance minima；Described D_sim-maxRefer to that the record in described server database and described first terminal are to institute State in the record of the data composition that server is uploaded, there is the distance that the ratio shared by identical MAC Address is corresponding Distance maximum in scope；Described P_dif-newRefer to according to the record in described server database and described the In the record that the data that one terminal is uploaded to described server are constituted, there is the ratio shared by different MAC Address The weight factor that conversion obtains；When the record in the data base of server and described first terminal are uploaded to described When there is not identical MAC Address in the record that the data of server are constituted, the most described first terminal with The base station LAC and base station CID of the mobile base station information of other matched terminals are the most consistent；Work as institute State mobile base station information consistent time, the Wi-Fi that the record of described first terminal and described server database is corresponding Distance Dist of terminal is less than or equal to the diameter of base station range；When described mobile base station, information differs During cause, then more than the diameter of base station range.

27. 1 kinds of distances based on Wi-Fi obtain system, it is characterised in that this system includes: at least one Individual terminal and as described in any one in claim 23 to 26 server；

28. an electronic equipment, it is characterised in that including: processor, memorizer, communication interface and total Line；

Described memorizer storage executable program code；