CN103974196A - Indoor relative position determining system, control method and control device - Google Patents

Indoor relative position determining system, control method and control device Download PDF

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Publication number
CN103974196A
CN103974196A CN201410203738.8A CN201410203738A CN103974196A CN 103974196 A CN103974196 A CN 103974196A CN 201410203738 A CN201410203738 A CN 201410203738A CN 103974196 A CN103974196 A CN 103974196A
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China
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ebp
mobile terminal
relative
indoor
determination
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CN201410203738.8A
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Chinese (zh)
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丁晟
马陆
梁旭文
王洋
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丁晟
马陆
梁旭文
王洋
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Priority to CN201410203738.8A priority Critical patent/CN103974196A/en
Publication of CN103974196A publication Critical patent/CN103974196A/en

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Abstract

The invention provides an indoor relative position determining system and method based on 802.11 series protocols and EBP broadcasting. The indoor relative position determining system comprises a plurality of EBPs (ESSID broadcast points), a plurality of mobile terminals supporting the 802.11 series protocols and a background data processing center. The EBPs are distributed indoors to form an 802.11 microcellular network, each EBP covers a specific region, and ESSID information preset by the EBPs is broadcasted continuously. The mobile terminals obtain an indoor map containing all EBP position information of the system from the background data processing center and receive wireless signals covering the terminals and based on the 802.11 series protocols, a current ESSID is obtained, the ESSID is matched with local pre-stored information, and accordingly the relative positions of the mobile terminals are determined. The background data processing center conducts management on the indoor map and EBP position databases and provides information interaction of positions shared by users.

Description

A kind of indoor Relative position determination system, control method and control device

Technical field

The present invention relates to a kind of indoor location service system, relate in particular to a kind of wireless indoor Relative position determination method and system based on 802.11 serial protocols, and corresponding control method, control device.

Background technology

The development of mobile computing device and the progress of wireless local area network technology have promoted advancing by leaps and bounds of mobile positioning technique, and triangle location, graphical analysis and beacon location are three large main automatic positioning technologies.Because global positioning system belongs to satellite fix, when carrying out indoor positioning, there is intrinsic positioning precision problem, so must solve indoor positioning problem by other location technologies.Conventional indoor positioning technology mainly contains infrared ray, 802.11,802.15, ultrasonic wave and RFID technology etc.

Along with the development of the universal and general fit calculation technology of wireless network, location-based service receives increasing concern, in fields such as Emergency Assistance, health care, customized information transmission, demonstrates huge vigor.Wherein, indoor positioning technology is to realize prerequisite and the key of general fit calculation application and location-based service.Indoor positioning technology, can't meet at aspects such as use cost, range of application and portability the needs that general fit calculation is applied, and has limited location-based service popularizing in user.Indoor positioning technology based on 802.11,802.15 etc., because the scope of application is wide, can realize in the mode of pure software, and navigation system low cost and other advantages becomes the study hotspot in general fit calculation in recent years and location aware field.How locating fast, reducing construction maintenance cost is a Research Challenges.

Research and propose and utilize official of operator 802.11 access point layouts, but this mode data maintenance mode is limited to operator, use region must possess 802.11 access points that operator provides, the variation of operator's informaiton, causes database operation maintenance cost to promote.

Nokia has released the indoor accurate position solution of the HAIP based on bluetooth (802.15), adopts the triangle location technology based on bluetooth, except using the bluetooth module of mobile phone, also needs to dispose bluetooth base station, the highlyest can reach sub_meter position precision.Due to not popularizing of bluetooth base station, indoor positioning cost is higher, not suitable for large-scale promotion.

Summary of the invention

For defect of the prior art, technical problem to be solved by this invention is: for current large buildings interior location service, lack, based on 802.11 serial protocols, EBP and back-end data by some continuous broadcast ESSID information are supported, convenient and feasible indoor Relative position determination method and system is provided, too complicated when solving prior art and processing problems, universality is not high, be difficult to adapt to complex environment and system Construction problem with high costs.

According to an aspect of the present invention, a kind of control method of determining its relative position at mobile terminal is provided, described mobile terminal determines that by the indoor Relative position determination system based on 802.11 serial protocols and EBP broadcast it is at indoor relative position, described indoor Relative position determination system at least comprises several EBP, described EBP is ESSID broadcast point, it is characterized in that, comprise the steps:

A. receive a plurality of EBP broadcast singals;

B. described a plurality of EBP broadcast singals are resolved, and determine a wherein EBP broadcast singal of signal strength signal intensity maximum;

C. EBP corresponding to the EBP broadcast singal of described signal strength signal intensity maximum also determined to the relative position of described mobile terminal as the basis on location of described mobile terminal.

Preferably, described step c comprises the steps:

C1. obtain the indoor map adapting with described indoor Relative position determination system, in described indoor map, comprise all EBP positional informations in described indoor Relative position determination system;

C2. the relative position of mobile terminal described in the location positioning of the described EBP based on as basis on location in described indoor map.

Preferably, any in the following moment of described step c1 completes:

-when entering described indoor Relative position determination system, described mobile terminal is pushed to described mobile terminal by EBP; Or

-after described step b is performed.

Preferably, above-mentioned control method also comprises the steps:

I. determine the destination locations point of described mobile terminal;

Ii. determine and put corresponding object EBP with described destination locations;

Iii. according to the current relative position of described mobile terminal and described object EBP, determine that described mobile terminal arrives the course information of described object EBP;

Iv. in described mobile terminal moving process, constantly determine the relative position of described mobile terminal, and and then monitor course or dynamically adjust described course.

According to another aspect of the present invention, a kind of control device of determining its relative position at mobile terminal is also provided, described mobile terminal determines that by the indoor Relative position determination system based on 802.11 serial protocols and EBP broadcast it is at indoor relative position, described indoor Relative position determination system at least comprises several EBP, described EBP is ESSID broadcast point, it is characterized in that, comprising:

First receiving device, for receiving a plurality of EBP broadcast singals;

The first determining device, for described a plurality of EBP broadcast singals are resolved, and determines a wherein EBP broadcast singal of signal strength signal intensity maximum;

The second determining device, for also determining the relative position of described mobile terminal using EBP corresponding to the EBP broadcast singal of described signal strength signal intensity maximum as the basis on location of described mobile terminal.

According to a further aspect of the invention, provide a kind of indoor Relative position determination system based on 802.11 serial protocols and EBP broadcast, comprise mobile terminal and the back-end data processing center of some EBP, some supports 802.11 serial protocols; Described some EBP are distributed in indoor formation 802.11 micro-cellular networks, and each EBP covers specific region, and broadcasts continuously the default ESSID information of this EBP; Described some mobile terminals obtain the indoor map that comprises all EBP positional informations in system from described back-end data processing center, receive the wireless signal based on 802.11 serial protocols that covers this terminal, obtain current ESSID, and ESSID is mated with local prestored information, and then definite mobile terminal relative position; Described back-end data processing center is carried out indoor map, the library management of EBP position data, and user's sharing position information interaction is provided.

Described some EBP all support 802.11 serial protocols, and each EBP can have the broadcast of Beacon (signal identification) frame, and Beacon frame comprises ESSID.

Further, according to positioning accuracy request and surrounding enviroment feature, described some EBP, each radius coverage area is sub-rice, rice or ten meters of magnitudes, is formed for the micro-cellular network of location, positioning precision is equal to radius coverage area.

Further, described micro-cellular network is that indoor location is divided into community one by one, and an EBP is established in each community, forms the structure that exactly likes " honeycomb ".

Further, described some EBP overlay area size regulates by this EBP transmitting power is set.

Described ESSID at least comprises the information such as the ID, transmit signal strength of EBP.

Further, described ESSID can further encode, the processing such as encryption.

Described mobile terminal comprises each Terminal Type of supporting 802.11 serial protocols, such as: smart mobile phone, panel computer, notebook computer and wearable smart machine etc.

Further, when mobile terminal recognizes after a plurality of effective EBP, the EBP of selective reception signal strength signal intensity maximum is as the basis on location of this terminal.

In order to address the above problem, the invention provides a kind of indoor Relative position determination method based on 802.11 serial protocols and EBP broadcast, mobile terminal, by the ESSID receiving being identified and mating, is positioned mobile terminal the EBP position of associated.

Further, mobile terminal completes the navigation that can go to indoor a certain location point on the basis of self poisoning, user selects destination locations point, mobile terminal is according to self poisoning result, complete navigation stroke planning, and in user's traveling process, according to via an EBP monitoring position route or dynamically adjust course.

Further, mobile terminal completes on the basis of self poisoning can carry out goal seeking and tracking, target is shared its position data message to user, information exchange is crossed back-end data processing center and is transmitted to user, user is using the shared position of target as point of destination, and in traveling process, according to via an EBP monitoring position route or dynamically adjust course.

Further, described target comprises people, animal or article, the mode of target sharing position information can be active or passive, under active mode, target is initiatively to back-end data processing center sharing position information, and under passive mode, mobile terminal that target is held is regularly to back-end data processing center sharing position information.

The invention has the advantages that, build cheap, the reliable easily realization, low to infield environmental requirement of maintenance cost, positioning precision can reach a meter magnitude; Owing to being Relative position determination, so EBP position is without accurate mapping, also without the indoor map of pinpoint accuracy; Once mobile terminal obtains after back-end data processing center relevant information, can under off-line condition, realize real-time indoor positioning navigation; In system, EBP is evenly distributed, and distribution blind area is few, and between low-power consumption EBP, channel disturbance is low, little for indoor business of networking impacts such as WLAN.

Accompanying drawing explanation

By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:

Fig. 1 is system architecture diagram of the present invention;

Fig. 2 is native system EBP structural representation;

Fig. 3 is native system mobile terminal software structural representation;

Fig. 4 is native system Back end data processing center functional module;

Fig. 5 illustrates according to a specific embodiment of the present invention for the flow chart 6 that adopts system of the present invention to carry out indoor location service, the structural representation of the control device in the network equipment of WCDMA system, transport format combination set being configured; And

Fig. 6 illustrates according to the first embodiment of the present invention, determines the flow chart of the control method of its relative position at mobile terminal.

Embodiment

Below in conjunction with accompanying drawing, the embodiment of the indoor Relative position determination System and method for based on 802.11 serial protocols and EBP broadcast described in the invention is elaborated.

Fig. 1 is system architecture diagram of the present invention, comprises mobile terminal and the back-end data processing center of some EBP equipment, some supports 802.11 serial protocols.A plurality of EBP equipment forms the overlapping microcellulor in edge, by regulating the transmitting power of EBP equipment to control honeycomb radius, is sub-rice, rice or ten meters of magnitudes.EBP equipment has the ESSID numbering of unique unique coding, by the customer mobile terminal within the scope of the broadcast (sites) in turn ensuring coverage of numbering, receives.As shown in user Y in Fig. 1, customer mobile terminal need possess and open WLAN function, SSID information and the signal strength signal intensity of EBP near refreshing by APP timed background, by the comparison to signal strength signal intensity, choosing nearest EBP numbering numbers as position, and mate the relative positioning of completing user position on map with place indoor environment map nomenclature point.The information such as user's map datum, EBP numbering correspondence position come from the regular update of background data center, and more new data can download to customer mobile terminal by offline mode or online mode, guarantees that user is in the location without under network connection and navigation.

User arranges destination locations point at mobile terminal, and mobile terminal APP, according to self poisoning result, completes navigation stroke planning, and in user's traveling process, according to via an EBP monitoring position route or dynamically adjust course.Navigate mode is supported user's mark self current location, and after the motion of position, according to on-site EBP location, the point using mark position before as destination locations, completes navigation stroke planning.

In Fig. 1, user Z can be by back-end data processing center to other users, as user Y in Fig. 1 shares its position, information exchange is crossed back-end data processing center and is forwarded user Y, user Y is using the shared position of user Z as point of destination, and in traveling process, according to the current EBP position of going through of both sides, dynamically revise route planning.

Back-end data processing center need change and dynamically update map data base and EBP location database according to actual conditions, and by the means such as propelling movement, off-line download online, regular update customer mobile terminal data.

Further, it will be appreciated by those skilled in the art that described mobile terminal and just can meet technical scheme of the present invention as long as obtained described cartographic information before confirming EBP position with described EBP.For example described mobile terminal can be just immediately by map datum described in mobile Internet or the Internet download after an APP corresponding with technical solution of the present invention has been installed, also can be when described mobile terminal enters the interior space corresponding to described indoor Relative position determination system, the EBP that is carried out communication by first with it pushes described map datum to described mobile terminal, or under the execution of the control device in described mobile terminal, described in Fig. 6, after step S602, download described map datum, this does not affect technical scheme of the present invention.Further, those skilled in the art understand, described first with described mobile terminal carry out communication EBP can by with described control device mutual after determine in described mobile terminal whether have corresponding map datum, thereby determine whether to download described map datum, and further can judge whether to upgrade described map datum, do not repeat them here.

It will be appreciated by those skilled in the art that described map datum is the map file adapting with indoor Relative position determination system provided by the invention.And described mobile terminal can directly download to described map datum in described mobile terminal, also can in other memory devices, copy to again in described mobile terminal now in advance, this does not affect technical scheme of the present invention, for example, can be a desktop computer, can be a storage card yet.

System shown in Figure 1, except the basic functions such as location, navigation, possesses location point to introduce data-pushing ability, includes but not limited to market advertisement, sales field shopping guide, the guiding doctor of hospital, scenic spot guide, the functions such as exhibition guide to visitors.This type of information upgrades in back-end data processing center, and is pushed to described customer mobile terminal by means such as online, off-lines.

Figure 2 shows that EBP structural representation, realize and comprise that IEEE802.11b, IEEE802.11g, IEEE802.11n agreement downlink function, module comprise that MCU controls framing, MAC layer buffering, Base-Band Processing, radio-frequency transmissions is processed, antenna and in requisition for power supply and frequency source.Device location numbering is form and the apparatus bound with ESSID information as fixed value, and sets transmitting power circulation transmission with the requirement of microcellulor coverage.

Figure 3 shows that mobile terminal software structural representation, function comprises system bottom and upper layer application exploitation two parts, customer mobile terminal process chip completes the PHY of WLAN and MAC layer is processed, and obtains ESSID and transmitting power offers indoor positioning navigation APP by operating system.SSID information and the signal strength signal intensity of EBP near APP timed background refreshes, by the comparison to signal strength signal intensity, choose nearest EBP numbering as position numbering, and mate the relative positioning of completing user position on map with place indoor environment map nomenclature point.

Fig. 4 is the functional module schematic block diagram of back-end data processing center, and back-end data processing center mainly comprises three databases, indoor map data base, and EBP location database and location point are introduced application message database.Three databases are all relevant to position, after guaranteeing that user locates by EBP, obtain map location and complete and introduce data-pushing.In order to realize with the mutual of user terminal and to upgrade, back-end data processing center is provided with customer position information and processes and share Fabric Interface, and to being ready that anonymous shared customer position information carries out data statistics, obtains the full and accurate data that the indoor stream of people distributes.Back-end data processing center realizes user by the Internet or mobile Internet and connects.

The method flow diagram of Fig. 5 for adopting indoor Relative position determination system of the present invention to carry out location-based service: (1) mobile terminal obtains the indoor map that comprises all EBP positional informations in system from back-end data processing center; (2) receive the wireless signal based on 802.11 serial protocols that covers this terminal; (3) obtain current ESSID; (4) ESSID is mated with local prestored information; (5) mobile terminal is positioned the EBP position of associated; So far, complete determining of user's relative position, if will complete the navigation of going to indoor a certain location point, had (611) user to select destination locations point; (612), according to self poisoning result, complete navigation stroke planning; (613) in user's traveling process according to via an EBP monitoring position route or dynamically adjust course; (614) arrive destination; If complete searching and the tracking of the targets such as people, animal or article, have (621) target with initiatively or passive mode to background data management centre sharing position data message; (622) back-end data processing center is transmitted to user by positional information; (623) user is using the shared position of target as point of destination; (624), according to self poisoning result, complete navigation stroke planning; (625) in user's traveling process according to via an EBP monitoring position route or dynamically adjust course; (626) complete goal seeking and tracking.

Further, with reference to above-mentioned Fig. 1, to embodiment illustrated in fig. 5, Fig. 6 illustrates according to the first embodiment of the present invention, determines the flow chart of the control method of its relative position at mobile terminal.In the present embodiment, in mobile terminal, needed following treatment step to determine the relative position of this mobile terminal.Particularly, execution step S601, receives a plurality of EBP broadcast singals.Further, described in it will be appreciated by those skilled in the art that, each EBP broadcast singal correspondence is sent by a kind of equipment, and when described mobile terminal is in a certain position, it can receive the EBP broadcast singal that a plurality of equipment sends.Further, described EBP broadcast singal preferably receives by the first application program being arranged in described mobile terminal.Next, enter step S602, analyze a plurality of EBP broadcast singals that receive, determine the EBP broadcast singal that wherein signal is the strongest.Further, those skilled in the art understand, the intensity of analyzing described EBP broadcast singal can be accomplished in several ways, can realize by a certain signal strength analysis device in described mobile terminal, also can realize by the application program being arranged in mobile terminal, preferably, by receiving the first application program analysis of described EBP broadcast singal, draw.

Then, execution step S603, also determines the relative position of described mobile terminal according to EBP corresponding to the strongest EBP broadcast singal of described signal strength signal intensity as the basis on location of described mobile terminal.Further, it will be appreciated by those skilled in the art that the EBP broadcast singal correspondence that described signal strength signal intensity is the strongest a permanent plant, according to the position of described equipment, correspondingly determine the relative position of described mobile terminal.Further, those skilled in the art understand, because described EBP broadcast singal all sends by an EBP equipment, described EBP broadcast singal comprises the ID of this EBP equipment, after therefore described EBP broadcast singal being resolved, can determine which EBP equipment this EBP broadcast singal comes from.Further, it will be appreciated by those skilled in the art that in above-mentioned steps S602, because described EBP broadcast singal also comprises described EBP broadcast signal strength information, therefore by all EBP broadcast signal strength information being received is compared, can realize this step.Further, it will be appreciated by those skilled in the art that such comparison procedure can complete by a comparator, the chip processing procedure that also can call by an APP after described EBP broadcast signal strength information is converted into digital signal completes, and does not repeat them here.

Further, those skilled in the art understand, execution step S602 in or afterwards, the indoor map that described acquisition for mobile terminal and described indoor Relative position determination system adapt, in described indoor map, comprise all EBP positional informations in described indoor Relative position determination system, therefore, according to execution step S602, analyze the EBP broadcast singal of the peak signal drawing, and then definite unique EBP equipment, thereby in conjunction with this indoor map, and then the relative position of the EBP position of the corresponding described peak signal of definite described mobile terminal.

Further, those skilled in the art understand, the relative position of determining described mobile terminal can also provide the planning of route to user, first, determine the destination locations point of described mobile terminal, those skilled in the art understand, described destination locations point is the current place of wanting of user, it can obtain by user behind the application program input destination being arranged in described mobile terminal, also can behind the application program phonetic entry destination being arranged in described mobile terminal, obtain by user; Secondly, determine and put corresponding object EBP with described destination locations, further, it will be appreciated by those skilled in the art that may be to there be a plurality of EBP signals described destination, preferably, the strongest EBP broadcast singal of selection signal; Finally, according to the current relative position of described mobile terminal and described object EBP, determine that described mobile terminal arrives the course information of described object EBP, further, it will be appreciated by those skilled in the art that current described mobile terminal is to there being a plurality of EBP signals, known with reference to the step shown in accompanying drawing 6, determine the relative position of current mobile terminal, corresponding, according to destination locations, put corresponding EBP signal and determine the position of destination, and then cook up correspondingly circuit.Further, with reference to above-mentioned Fig. 1 to Fig. 6, those skilled in the art understand, in embodiment provided by the present invention, EBP equipment is at least can send the communication apparatus of ESSID signal, and described ESSID signal has comprised ID and the signal strength information of EBP equipment, correspondingly, the receiver that can receive described ESSID signal is housed in mobile terminal, thereby can realizes technical purpose of the present invention.Further, it will be appreciated by those skilled in the art that the receiver being equipped with in described EBP equipment preferably and described mobile terminal all adopts 802.11 serial protocols, thereby be convenient to implement the technical program.

Extremely embodiment illustrated in fig. 6 with reference to above-mentioned Fig. 1 further, those skilled in the art understand, in above-mentioned indoor Relative position determination system, EBP broadcasts the default ESSID information of this EBP continuously, and this ESSID information is a kind of execution mode in the broadcast singal of EBP described in Fig. 6.It will be appreciated by those skilled in the art that in different embodiment, described EBP broadcast singal can be realized by different modes, does not repeat them here.

Further, extremely embodiment illustrated in fig. 6 with reference to above-mentioned Fig. 1, those skilled in the art understand, in the process of above-mentioned EBP and mobile terminal communication, preferably, described EBP all can not be connected internet or the Internet or mobile Internet with described mobile terminal, and only need between EBP and mobile terminal, according to EBP broadcast singal provided by the invention, carry out communication.In such embodiments, can form described indoor relative enclosed environment, thereby reduce the dependence to external condition.

Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.

Claims (18)

1. a control method of determining its relative position at mobile terminal, described mobile terminal determines that by the indoor Relative position determination system based on 802.11 serial protocols and EBP broadcast it is at indoor relative position, described indoor Relative position determination system at least comprises several EBP, described EBP is ESSID broadcast point, it is characterized in that, comprise the steps:
A. receive a plurality of EBP broadcast singals;
B. described a plurality of EBP broadcast singals are resolved, and determine a wherein EBP broadcast singal of signal strength signal intensity maximum;
C. EBP corresponding to the EBP broadcast singal of described signal strength signal intensity maximum also determined to the relative position of described mobile terminal as the basis on location of described mobile terminal.
2. control method according to claim 1, is characterized in that, described step c comprises the steps:
C1. obtain the indoor map adapting with described indoor Relative position determination system, in described indoor map, comprise all EBP positional informations in described indoor Relative position determination system;
C2. the relative position of mobile terminal described in the location positioning of the described EBP based on as basis on location in described indoor map.
3. control method according to claim 2, is characterized in that, any in the following moment of described step c1 completes:
-when entering the interior space corresponding to described indoor Relative position determination system, described mobile terminal is pushed to described mobile terminal by EBP;
-when entering the interior space corresponding to described indoor Relative position determination system, described mobile terminal is downloaded to described mobile terminal by mobile Internet;
-before described mobile terminal enters the interior space corresponding to described indoor Relative position determination system by the Internet download to described mobile terminal or after described step b is performed.
4. according to the control method described in any one in claims 1 to 3, wherein, also comprise the steps:
I. determine the destination locations point of described mobile terminal;
Ii. determine and put corresponding object EBP with described destination locations;
Iii. according to the current relative position of described mobile terminal and described object EBP, determine that described mobile terminal arrives the course information of described object EBP;
Iv. in described mobile terminal moving process, constantly determine the relative position of described mobile terminal, and and then monitor course or dynamically adjust described course.
5. a control device of determining its relative position at mobile terminal, described mobile terminal determines that by the indoor Relative position determination system based on 802.11 serial protocols and EBP broadcast it is at indoor relative position, described indoor Relative position determination system at least comprises several EBP, described EBP is ESSID broadcast point, it is characterized in that, comprising:
First receiving device, for receiving a plurality of EBP broadcast singals;
The first determining device, for described a plurality of EBP broadcast singals are resolved, and determines a wherein EBP broadcast singal of signal strength signal intensity maximum;
The second determining device, for also determining the relative position of described mobile terminal using EBP corresponding to the EBP broadcast singal of described signal strength signal intensity maximum as the basis on location of described mobile terminal.
6. the indoor Relative position determination system based on 802.11 serial protocols and EBP broadcast, for determining that mobile terminal is at indoor relative position, it is characterized in that, the mobile terminal and the back-end data processing center that comprise some EBP, some supports 802.11 serial protocols, described EBP is ESSID broadcast point
Described some EBP are distributed in indoor formation 802.11 micro-cellular networks, and each EBP covers specific region, and broadcasts continuously the default ESSID information of this EBP;
Described some mobile terminals obtain the indoor map that comprises all EBP positional informations in system from described back-end data processing center, receive the wireless signal based on 802.11 serial protocols that covers this terminal, obtain current ESSID, and ESSID is mated with local prestored information, and then definite mobile terminal relative position;
Described back-end data processing center is carried out indoor map, the library management of EBP position data, and user's sharing position information interaction is provided.
7. indoor Relative position determination system according to claim 6, is characterized in that, indoor location is divided into community one by one, and an EBP is established in each community, forms honeycomb.
8. indoor Relative position determination system according to claim 6, is characterized in that, described some EBP overlay area size regulates by this EBP transmitting power is set.
9. according to the indoor Relative position determination system described in any one in claim 6 to 8, it is characterized in that: when described mobile terminal recognizes after a plurality of effective EBP, the EBP of selective reception signal strength signal intensity maximum is as the basis on location of this terminal.
10. according to the indoor Relative position determination system described in any one in claim 6 to 9, carry out the method for Relative position determination, it is characterized in that: mobile terminal, by the ESSID receiving being identified and mating, is positioned mobile terminal the EBP position of associated.
11. indoor Relative position determination systems according to claim 10 are carried out the method for Relative position determination, it is characterized in that: the navigation that further can go to indoor a certain location point, user selects destination locations point, mobile terminal is according to self poisoning result, complete navigation stroke planning, and in user's traveling process, according to via an EBP monitoring position course or dynamically adjust course.
12. carry out the method for Relative position determination according to the indoor Relative position determination system described in claim 6 to 11, it is characterized in that: in above-mentioned steps, described EBP and described mobile terminal all do not enter the Internet or mobile Internet.
13. carry out the method for Relative position determination according to claim 10 to the indoor Relative position determination system described in any one in 12, it is characterized in that: further can complete goal seeking and tracking, target is shared its position data message to user, information exchange is crossed back-end data processing center and is transmitted to user, user is using the shared position of target as point of destination, and in traveling process, according to via an EBP monitoring position route or dynamically adjust course.
14. goal seeking according to claim 13 and trackings, it is characterized in that: described target comprises people, animal or article, the mode of target sharing position information can be active or passive, under active mode, target is initiatively to back-end data processing center sharing position information, and under passive mode, mobile terminal that target is held is regularly to back-end data processing center sharing position information.
15. according to the control method described in any one in claim 1 to 4 and/or control device according to claim 5 and/or according to the indoor Relative position determination system described in any one in claim 6 to 14, it is characterized in that, described EBP broadcast singal comprises id information, the transmit signal strength information of EBP.
16. control methods according to claim 15 and/or control device and/or indoor Relative position determination system, is characterized in that, described EBP broadcast singal sends by Beacon frame broadcast mode.
17. according to the control method described in any one in 1 to 4 and/or control device according to claim 5 and/or according to the indoor Relative position determination system described in any one in claim 6 to 16, it is characterized in that the processing such as described ESSID can further encode, encryption.
18. according to the control method described in any one in 1 to 4 and/or control device according to claim 5 and/or according to the indoor Relative position determination system described in any one in claim 6 to 17, it is characterized in that, described mobile terminal comprises each Terminal Type of supporting 802.11 serial protocols, such as: smart mobile phone, panel computer, notebook computer and wearable smart machine etc.
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CN106610287A (en) * 2015-10-23 2017-05-03 镇江金软计算机科技有限责任公司 WIFI-based indoor navigation system
CN109348424A (en) * 2018-11-05 2019-02-15 Oppo广东移动通信有限公司 Information transferring method, device and electronic device

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