CN102348160B - Multimode signal-based positioning method, system and positioning platform - Google Patents

Multimode signal-based positioning method, system and positioning platform Download PDF

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Publication number
CN102348160B
CN102348160B CN201110197912.9A CN201110197912A CN102348160B CN 102348160 B CN102348160 B CN 102348160B CN 201110197912 A CN201110197912 A CN 201110197912A CN 102348160 B CN102348160 B CN 102348160B
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China
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parameter
building
wifi
fingerprint
signal
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CN201110197912.9A
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Chinese (zh)
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CN102348160A (en
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钟致民
杨广龙
张玉良
吴彦津
孔勇平
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中国电信股份有限公司
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Abstract

The embodiment of the invention discloses a multimode signal-based positioning method, a system and a positioning platform. The method comprises the following steps: the positioning platform receives an uplink message sent by a terminal to be positioned after the terminal to be positioned acquires multimode signals at a located position, wherein the multimode signals comprise WiFi (Wireless Fidelity) signals and mobile communication network signals, the uplink message comprises information of the multimode signals, i.e. types and parameters of the multimode signals acquired by the terminal to be positioned, the types of the multimode signals comprise the WiFi signals or the mobile communication network signals, and the corresponding parameters of the multimode signals comprise WiFi parameters and the base station parameters of a mobile communication network; and the positioning platform acquires an indoor position coordinate of a building corresponding to a standard characteristic fingerprint which is matched with the information of the multimode signals, and takes the indoor position coordinate of the building as an indoors positioned result of the terminal to be positioned. The multimode signal-based positioning method, the system and the positioning platform disclosed by the embodiment of the invention can enhance the indoors positioning accuracy and save the cost required by indoors positioning.

Description

Localization method based on multimode signal and system, locating platform

Technical field

The present invention relates to the communication technology, especially a kind of localization method based on multimode signal and system, locating platform.

Background technology

Along with the development of wireless communication technology and network technology, the use of mobile terminal is universal gradually, has become one of indispensable daily necessities that masses carry.Increase along with mobile terminal function, people can complete increasing work by mobile terminal, for example: location technology can be applied to mobile terminal, by to enterprise personnel, as the field force that patrols, sale field force etc., configuration mobile terminal is realized the location management to enterprise personnel.

Mobile terminal location is divided into positive location and third party location.Wherein, during positive location mobile phone users when hope obtains own current geographic position, operating handset position application software, for example: Mobile Telephone Gps software, realize location.Third party location be application side (also referred to as: third party) during the current geographical position of certain mobile phone users of hope acquisition, use mobile communications network to realize the location to mobile terminal, mobile phone users was not necessarily recognized and is had third party to position it at that time.Third party locates business such as being widely used at present business administration, the outer inmate's supervision of prison, sales force management, patrol police's scheduling.

At present, at mobile terminal, be positioned at global positioning system (the Global Positioning System such as outdoor, hereinafter to be referred as: in GPS) the visible scene of satellite lower time, can adopt GPS location technology, Positioning Satellite (gpsOne) location technology to realize the location to mobile terminal.

But, at mobile terminal, be positioned at when indoor, conventionally adopt the simple indoor extension of outdoor positioning to realize the location to mobile terminal.For example, at mobile terminal, in indoor current location and outdoorly have a place that sighting distance directly can be sensible, can directly adopt GPS location technology to realize the location to this indoor moving terminal; Or, directly adopt outdoor architecture result as the positioning result of this indoor moving terminal.In addition, also can at indoor laying alignment sensor, realize indoor positioning specially, positioning precision is determined by the layout density of alignment sensor.

In realizing process of the present invention, inventor finds that prior art carries out the method for indoor positioning and at least have following problem: while adopting the simple indoor extension of outdoor positioning to realize the location to mobile terminal, the indoor location precision of orienting is lower, conventionally more much lower than outdoor positioning precision, positioning result is inaccurate; While carrying out indoor positioning by laying alignment sensor, because needs are laid alignment sensor specially, cost is higher, especially in the time need to improving positioning precision, just needs the alignment sensor that layout density is higher, has further increased location cost.

Summary of the invention

Embodiment of the present invention technical problem to be solved is: a kind of localization method based on multimode signal and system, locating platform are provided, to improve indoor position accuracy, and save the required cost of indoor positioning.

A kind of localization method based on multimode signal that the embodiment of the present invention provides, comprising:

Locating platform receives the upstream message that terminal to be positioned sends after position obtains multimode signal, described multimode signal comprises WLAN (wireless local area network) WiFi signal and mobile communications network signal, described upstream message comprises the multimode signal information that described terminal to be positioned gets, described multimode signal information comprises type and the parameter of multimode signal, the type of described multimode signal comprises WiFi signal or mobile communications network signal, when the type of described multimode signal is WiFi signal, the parameter of corresponding multimode signal comprises WiFi parameter, described WiFi parameter comprises WiFi access point geocoding WiFi MAC value and WiFi signal strength values, when the type of described multimode signal is mobile communications network signal, the parameter of corresponding multimode signal comprises the base station parameter of mobile communications network,

Described locating platform mates described multimode signal information with the standard feature fingerprint in building fingerprint base, obtain the indoor location coordinate of the building that the standard feature fingerprint of described multimode signal information matches is corresponding, using the indoor location coordinate of this building as the indoor positioning result of described terminal to be positioned, described fingerprint base comprises building, the indoor location coordinate of building and the correspondence relationship information between standard feature fingerprint, the vector that described standard feature fingerprint is the unique composition of multimode signal relevant parameter that collects at correspondence position, described multimode signal relevant parameter is included in L the WiFi parameter that indoor location coordinate place, place signal strength signal intensity is larger, M in mobile communications network N the adjacent base station parameter that Current Serving BTS parameter is corresponding with each Current Serving BTS, described WiFi parameter comprises WiFi APN WiFi SSID, WiFi MAC value and WiFi signal strength values, L, M, N is respectively the default integer that is greater than zero.

A kind of locating platform that the embodiment of the present invention provides, comprising:

Receiving element, for receiving the upstream message that terminal to be positioned sends after position obtains multimode signal, described multimode signal comprises WiFi signal and mobile communications network signal, described upstream message comprises the multimode signal information that described terminal to be positioned gets, described multimode signal information comprises type and the parameter of multimode signal, the type of described multimode signal comprises WiFi signal or mobile communications network signal, when the type of described multimode signal is WiFi signal, the parameter of corresponding multimode signal comprises WiFi parameter, described WiFi parameter comprises WiFi MAC value and WiFi signal strength values, when the type of described multimode signal is mobile communications network signal, the parameter of corresponding multimode signal comprises the base station parameter of mobile communications network,

The first memory cell, be used for storing building fingerprint base, described fingerprint base comprises building, the indoor location coordinate of building and the correspondence relationship information between standard feature fingerprint, the vector that described standard feature fingerprint is the unique composition of multimode signal relevant parameter that collects at correspondence position, described multimode signal relevant parameter is included in L the WiFi parameter that indoor location coordinate place, place signal strength signal intensity is larger, M in mobile communications network N the adjacent base station parameter that Current Serving BTS parameter is corresponding with each Current Serving BTS, described WiFi parameter comprises WiFiSSID, WiFi MAC value and WiFi signal strength values, L, M, N is respectively the default integer that is greater than zero,

Matching unit, for described multimode signal information is mated with the standard feature fingerprint of described fingerprint base, obtain the indoor location coordinate of the building that the standard feature fingerprint of described multimode signal information matches is corresponding, using the indoor location coordinate of this building as the indoor positioning result of described terminal to be positioned.

A kind of navigation system based on multimode signal that the embodiment of the present invention provides, comprising:

Terminal to be positioned, for obtaining multimode signal in position and sending upstream message to locating platform, described multimode signal comprises without WiFi signal and mobile communications network signal, described upstream message comprises the multimode signal information that described terminal to be positioned gets, described multimode signal information comprises type and the parameter of multimode signal, the type of described multimode signal comprises WiFi signal or mobile communications network signal, when the type of described multimode signal is WiFi signal, the parameter of corresponding multimode signal comprises WiFi parameter, described WiFi parameter comprises WiFi MAC value and WiFi signal strength values, when the type of described multimode signal is mobile communications network signal, the parameter of corresponding multimode signal comprises the base station parameter of mobile communications network,

Locating platform, be used for receiving described upstream message, described multimode signal information is mated with the standard feature fingerprint in building fingerprint base, obtain the indoor location coordinate of the building that the standard feature fingerprint of described multimode signal information matches is corresponding, using the indoor location coordinate of this building as the indoor positioning result of described terminal to be positioned, described fingerprint base comprises building, the indoor location coordinate of building and the correspondence relationship information between standard feature fingerprint, the vector that described standard feature fingerprint is the unique composition of multimode signal relevant parameter that collects at correspondence position, described multimode signal relevant parameter is included in L the WiFi parameter that indoor location coordinate place, place signal strength signal intensity is larger, M in mobile communications network N the adjacent base station parameter that Current Serving BTS parameter is corresponding with each Current Serving BTS, described WiFi parameter comprises WiFi SSID, WiFiMAC value and WiFi signal strength values, L, M, N is respectively the default integer that is greater than zero.

The localization method based on multimode signal and the system that based on the above embodiment of the present invention, provide, locating platform, each in building position collects multimode signal relevant parameter in advance, be included in L the WiFi parameter that indoor location coordinate place, place signal strength signal intensity is larger, M in mobile communications network N the adjacent base station parameter that Current Serving BTS parameter is corresponding with each Current Serving BTS, and form respectively a vector by each group multimode signal relevant parameter, it is standard feature fingerprint, and in fingerprint base, set up building, the indoor location coordinate of building and the correspondence relationship information between standard feature fingerprint, when receiving the upstream message that terminal to be positioned sends after position obtains multimode signal, the multimode signal information that terminal to be positioned is obtained is mated with the standard feature fingerprint in building fingerprint base, obtain the indoor location coordinate of the building that the standard feature fingerprint of this multimode signal information matches is corresponding, using the indoor location coordinate of this building as the indoor positioning result of terminal to be positioned, because employing simultaneously comprises the multimode signal parameter of the base station parameter in WiFi parameter and mobile communications network, treat locating terminal and position, thereby improved the accuracy of indoor positioning, and, adopt indoor laying alignment sensor to realize indoor positioning with prior art and compare, can directly utilize existing communication equipment and resource, without investing to build specially, significantly reduced capital construction and the operation cost of indoor precise positioning.

Below by drawings and Examples, technical scheme of the present invention is described in further detail.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the flow chart that the present invention is based on an embodiment of localization method of multimode signal;

Fig. 2 is the flow chart that the present invention is based on another embodiment of localization method of multimode signal;

Fig. 3 is the flow chart that the present invention is based on another embodiment of localization method of multimode signal;

Fig. 4 is the structural representation of an embodiment of locating platform of the present invention;

Fig. 5 is the structural representation of another embodiment of locating platform of the present invention;

Fig. 6 is the structural representation of another embodiment of locating platform of the present invention;

Fig. 7 is the structural representation that the present invention is based on the unified embodiment of positioning systems of multimode signal;

Fig. 8 is the structural representation that the present invention is based on another embodiment of navigation system of multimode signal.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.

Fig. 1 is the flow chart that the present invention is based on an embodiment of localization method of multimode signal.As shown in Figure 1, the localization method of this embodiment based on multimode signal comprises:

101, locating platform receives the upstream message that terminal to be positioned sends after position obtains multimode signal, and multimode signal wherein comprises WLAN (wireless local area network) (WiFi) signal and mobile communications network signal.

This upstream message comprises the multimode signal information that terminal to be positioned gets, and multimode signal information wherein comprises type and the parameter of multimode signal.The type of multimode signal specifically comprises WiFi signal or mobile communications network signal.When the type of multimode signal is WiFi signal, the parameter of corresponding multimode signal comprises WiFi parameter, and this WiFi parameter comprises that WiFi access point geocoding is (hereinafter to be referred as MAC) value and WiFi signal strength values; When the type of multimode signal is mobile communications network signal, the parameter of corresponding multimode signal comprises the base station parameter of mobile communications network.

Particularly, as a specific embodiment of the present invention, terminal to be positioned wherein can be that (Personal Computer, hereinafter to be referred as all user terminals such as PC) for mobile terminal, personal computer.Mobile communications network wherein comprises global system for mobile communications (Global System For Mobile Communications, hereinafter to be referred as: GSM), code division multiple access (Code Division Multiple Access, hereinafter to be referred as: CDMA) system, Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, hereinafter to be referred as: WCDMA) system, with CDMA2000 system in any one or multiple.Current Serving BTS parameter or adjacent base station parameter comprise: the Base Station Identification of Current Serving BTS or adjacent base station (Identification, hereinafter to be referred as: ID) with at the signal strength signal intensity Rx of position.

Alternatively, terminal to be positioned can be regularly, initiatively to locating platform upstream message, also can reply in real time this upstream message according to the instruction of locating platform.

102, locating platform mates the multimode signal information in upstream message with the standard feature fingerprint in building fingerprint base, obtain the indoor location coordinate of the building that the standard feature fingerprint of multimode signal information matches is corresponding, using the indoor location coordinate of this building as the indoor positioning result of terminal to be positioned.

Fingerprint base wherein comprises the indoor location coordinate of building, building and the correspondence relationship information between standard feature fingerprint.The vector that standard feature fingerprint is the unique composition of multimode signal relevant parameter that collects at correspondence position, multimode signal relevant parameter is included in L WiFi parameter, M Current Serving BTS parameter in mobile communications network N the adjacent base station parameter corresponding with each Current Serving BTS that indoor location coordinate place, place signal strength signal intensity is larger, and WiFi parameter comprises WiFi APN (SSID), WiFi MAC value and WiFi signal strength values.Wherein, L, M, N are respectively the default integer that is greater than zero.

The localization method based on multimode signal that the above embodiment of the present invention provides, each in building position collects multimode signal relevant parameter in advance, be included in L the WiFi parameter that indoor location coordinate place, place signal strength signal intensity is larger, M in mobile communications network N the adjacent base station parameter that Current Serving BTS parameter is corresponding with each Current Serving BTS, and form respectively a vector by each group multimode signal relevant parameter, it is standard feature fingerprint, and in fingerprint base, set up building, the indoor location coordinate of building and the correspondence relationship information between standard feature fingerprint, when receiving the upstream message that terminal to be positioned sends after position obtains multimode signal, the multimode signal information that terminal to be positioned is obtained is mated with the standard feature fingerprint in building fingerprint base, obtain the indoor location coordinate of the building that the standard feature fingerprint of this multimode signal information matches is corresponding, using the indoor location coordinate of this building as the indoor positioning result of terminal to be positioned, because employing simultaneously comprises the multimode signal parameter of the base station parameter in WiFi parameter and mobile communications network, treat locating terminal and position, thereby improved the accuracy of indoor positioning, and, can directly utilize existing communication equipment and resource, without investing to build specially, significantly reduced capital construction and the operation cost of indoor precise positioning.

As another specific embodiment of the present invention, before the above embodiment of the present invention, can also comprise following flow process:

For each building, gather respectively each indoor location coordinate and obtain one group of multimode signal relevant parameter of each indoor location, indoor location wherein comprises that the outer boundary position of building and outer boundary are with interior interior location, outer boundary position comprise building name, floor number, orientation, public space title, towards, interior location comprise building name, floor number, room number or public space title, with towards;

By one group of multimode signal relevant parameter, generate a standard feature fingerprint respectively;

In fingerprint base, set up the indoor location coordinate of building, building and the correspondence relationship information between standard feature fingerprint.In practical application, can be according to the coordinate order of building outer boundary position and interior location, to a corresponding informance of each position coordinates record.

Particularly, can adopt one group of multimode signal relevant parameter that the terminal of special-purpose acquisition software or PC gather each indoor location coordinate and obtain each indoor location is installed.Special-purpose acquisition software both can independently be laid with the form of special-purpose acquisition terminal or PC, also can lay with terminal to be positioned is integrated, realized the terminal or the PC that gather and can be called collection side.In practical application, can carry out in the following order the collection of desired parameters: first building periphery, more from low to high successively up, every floor will gather public space exemplary position, each center, room, and above each position is called a collection point.At office building layer region, can gather by terminal, at storehouse, machine room, the regions such as storage can gather with PC, the parameter gathering specifically can comprise: outer boundary position or interior location, arrange the WiFi parameter of first 6 with the signal strength signal intensity receiving, comprise WiFiSSID, WiFi MAC value, WiFi signal strength values, with possible CDMA, Current Serving BTS parameter maximum 6 the adjacent base station parameters corresponding with each Current Serving BTS in CDMA2000 or WCDMA system, comprise pilot offset (PN), community coding (CID) and signal strength signal intensity Rx, and Current Serving BTS parameter maximum 6 adjacent base station parameters corresponding to each Current Serving BTS in possible GSM, comprise national coding (MCC), network code (MNC), regional code (LAC), CID, signal strength signal intensity Rx and signal reach the time difference (TA) etc. from base-station transmission to current location, and the base station parameter of other a plurality of carrier networks.In CDMA, CDMA2000 or WCDMA system, CID is specifically comprised of with base station identity code (BSID) system identification (SID), NID (NID), and base station IDs parameter comprises PNYu community coding CID.In GSM, base station IDs parameter comprises MCC, MNC, LAC and CID.

Particularly, consider the directivity of wireless network signal, in order to eliminate as far as possible the random error of the multimode signal relevant parameter collecting, make the multimode signal relevant parameter that collects more reasonable, accurately, can be for each indoor location, at orthogonal direction, gather four groups of multimode signal relevant parameters respectively, and obtain the average data group of these four groups of multimode signal relevant parameters, using the one group multimode signal relevant parameter of this average data group as place indoor location.

Further, can to the information in fingerprint base, upgrade according to predetermined period, for example, every three months to the information updating in fingerprint base once.Particularly, can obtain according to predetermined period one group of multimode signal relevant parameter of each indoor location in each building, and generate respectively a standard feature fingerprint; According to the standard feature of up-to-date generation, the correspondence relationship information between the indoor location coordinate of building, building in fingerprint base and standard feature fingerprint is upgraded.

Fig. 2 is the flow chart that the present invention is based on another embodiment of localization method of multimode signal, and as shown in Figure 2, the localization method of this embodiment based on multimode signal comprises:

201, locating platform receives the upstream message that terminal to be positioned sends after position obtains multimode signal, and multimode signal wherein comprises WiFi signal and/or mobile communications network signal, and this upstream message comprises the multimode signal information that terminal to be positioned gets.

Multimode signal information wherein comprises type and the parameter of multimode signal.The type of multimode signal specifically comprises WiFi signal or mobile communications network signal.When the type of multimode signal is WiFi signal, the parameter of corresponding multimode signal comprises WiFi parameter, and this WiFi parameter comprises WiFi MAC value and WiFi signal strength values; When the type of multimode signal is mobile communications network signal, the parameter of corresponding multimode signal comprises the base station parameter of mobile communications network.

202, whether locating platform identification multimode signal information comprises the base station parameter of WiFi parameter and mobile communications network simultaneously.If multimode signal information comprises the base station parameter of WiFi parameter and mobile communications network simultaneously, carry out 205.Otherwise, if multimode signal information only comprises WiFi parameter, carry out 203; If multimode signal information only comprises the base station parameter of mobile communications network, carry out 204.

Particularly, according to a specific embodiment of the present invention, although do not comprise WiFi parameter or comprise WiFi parameter but the intensity of this WiFi parameter while there is not the WiFi parameter of multimode signal information in due minimum threshold values or building fingerprint base in lower than default building in multimode signal information, can think that multimode signal information only comprises the base station parameter of mobile communications network, now, within the scope of the building that terminal to be positioned does not cover at fingerprint base.

203, locating platform is inquired about and is comprised the preferably maximum standard feature fingerprint of L WiFi parameters of upstream message performance from building fingerprint base, usings the indoor location coordinate of building corresponding to this standard feature fingerprint as the indoor positioning result of terminal to be positioned.

204, locating platform adopts fast base station location algorithm, treats locating terminal position according to the base station parameter of mobile communications network in multimode signal information, obtains the positioning result of terminal to be positioned.

Particularly, in base station parameter and the correspondence relationship information between base station location that locating platform can be stored from base station information database, obtain the base station location corresponding to base station parameter of mobile communications network in multimode signal information, using this base station location as the current location of terminal to be positioned, thereby obtain the positioning result of terminal to be positioned.For example, locating platform adopts fast base station location algorithm and order thereof can be specifically user distribution density algorithm, road projection algorithm, groups of users algorithm, dynamic prediction algorithm and other algorithm etc.Adopt the location algorithm of said sequence to position, can preferentially ensure the experience position positioning result of historical accumulation, then according to the projection of reasonability road, user behavior inertia, infer and Dynamic Displacement Prediction scheduling algorithm quasi real time step by step to the positioning result location that becomes more meticulous, the in the situation that of the positioning result of preferential guarantee experience position, make positioning result more accurate.

205, locating platform mates the multimode signal information in upstream message with the standard feature fingerprint in building fingerprint base, obtain the indoor location coordinate of the building that the standard feature fingerprint of multimode signal information matches is corresponding, using the indoor location coordinate of this building as the indoor positioning result of terminal to be positioned.

Fingerprint base wherein comprises the indoor location coordinate of building, building and the correspondence relationship information between standard feature fingerprint.The vector that standard feature fingerprint is the unique composition of multimode signal relevant parameter that collects at correspondence position, multimode signal relevant parameter is included in L WiFi parameter, M Current Serving BTS parameter in mobile communications network N the adjacent base station parameter corresponding with each Current Serving BTS that indoor location coordinate place, place signal strength signal intensity is larger, and WiFi parameter comprises WiFi SSID, WiFi MAC value and WiFi signal strength values.Wherein, L, M, N are respectively the default integer that is greater than zero.

Alternatively, by 102 in embodiment illustrated in fig. 1, or 203 in embodiment illustrated in fig. 2, after the indoor positioning result of 204 or 205 acquisition terminal to be positioned, can also comprise: 206, locating platform obtains position attribution information corresponding to indoor location coordinate as the indoor positioning result of terminal to be positioned from building attribute information storehouse, according to the indoor location coordinate of the indoor positioning result as terminal to be positioned and corresponding position attribution Information generation, preset the locating result information of form, for example, with word, picture, the locating result information that the forms such as map present.

Wherein, building attribute information storehouse can be set up in advance, and the attribute of each building can comprise that the border, ground of building and vertex position coordinate, floor structure, WiFi lay etc.By setting up building attribute information storehouse, can set up internal environment information bank and the intrinsic coordinates system of building, so that describe the position attribution of positioning result in detail.Building attribute information storehouse comprises the position attribution information that each indoor location coordinate of each building is corresponding with this indoor location, for example, building takes up an area each apex coordinate of periphery polygon, main gateway coordinate, number of floor levels, elevator number, numbering of elevator and position, public stairs, passageway, every floor layout is the syntople in room number and room, syntople between room and other public spaces and communal facility, position attribution information can also comprise that each WiFi access point is (hereinafter to be referred as detail location AP) in addition, WiFiSSID, WiFi MAC and default coverage, wherein, default coverage is as room number, public space etc.

Further, as shown in Figure 3, as another specific embodiment that the present invention is based on the localization method of multimode signal, 102 or 205 specifically can realize in the following way:

301, the base station parameter that locating platform is determined WiFi parameter and mobile communications network in upstream message corresponding target building in fingerprint base, and by the upstream message performance maximum base station parameter of maximum N adjacent base stations corresponding to each base station in the base station parameter of L WiFi parameter, a M base station, a M base station preferably, the inspected feature that generates terminal to be positioned is vectorial.

302, locating platform obtains the standard feature fingerprint with inspected feature Vectors matching from fingerprint base.

303, locating platform is inquired about the correspondence relationship information between each indoor location coordinate and characteristic fingerprint, obtains the indoor location coordinate corresponding with the inspected feature vector of inspected feature Vectors matching as position coordinates in target chamber.

304, locating platform is usingd in the target chamber of target building position coordinates as the indoor positioning result of terminal to be positioned.

Alternatively, in embodiment illustrated in fig. 3 301, the base station parameter that specifically can determine in the following way WiFi parameter and mobile communications network in upstream message corresponding target building in fingerprint base:

WiFi parameter corresponding first object building in fingerprint base in inquiry upstream message, and the base station parameter of mobile communications network corresponding the second target building in fingerprint base in upstream message;

If inquire first object building but do not inquire the second target building, using first object building as the base station parameter of WiFi parameter in upstream message and mobile communications network corresponding target building in fingerprint base;

If do not inquire first object building but inquire the second target building, using the second target building as the base station parameter of WiFi parameter in upstream message and mobile communications network corresponding target building in fingerprint base;

If inquire first object building and the second target building, relatively whether first object building and the second target building are same building;

If first object building and the second target building are same building, using this same building as the base station parameter of WiFi parameter in upstream message and mobile communications network corresponding target building in fingerprint base;

Otherwise, if first object building and the second target building are not same buildings, according to default regulation, using first object building or the second target building as the base station parameter of WiFi parameter in upstream message and mobile communications network corresponding target building in fingerprint base.

For example, can preset regulation, the WiFi parameter in continuous a plurality of upstream messages is during all lower than predetermined threshold value, usings the second target building as the base station parameter of WiFi parameter in upstream message and mobile communications network corresponding target building in fingerprint base; Otherwise, if do not meet WiFi parameter in continuous a plurality of upstream messages all lower than predetermined threshold value, using first object building as the base station parameter of WiFi parameter in upstream message and mobile communications network corresponding target building in fingerprint base.

In addition, embodiment illustrated in fig. 3 302, specifically can realize in the following way:

In query fingerprints storehouse, search for inspected feature vector, in the default error range of inquiry, whether exist and the unique standard feature fingerprint mating of inspected feature vector;

If exist in default error range and the unique standard feature fingerprint mating of inspected feature vector, carry out the operation of the correspondence relationship information between each indoor location coordinate of inquiry and characteristic fingerprint;

Otherwise, if there are a plurality of standard feature fingerprints with inspected feature Vectors matching in default error range, from a plurality of standard feature fingerprints, obtain the first standard feature fingerprint that comprises floor number scope in indoor location corresponding to WiFi MAC value in inspected feature vector; From the first standard feature fingerprint, obtain the second standard feature fingerprint that comprises room number in the indoor location that in inspected feature vector, WiFi signal strength values is corresponding or public space name scope; In inspected feature vector the base station parameter of mobile communications network determine indoor location towards, and according to this towards select the 3rd standard feature fingerprint from the second standard feature fingerprint, as the standard feature fingerprint with inspected feature Vectors matching, the 3rd standard feature fingerprint wherein can be for one or more.

For example, as a concrete application, if a plurality of standard feature fingerprints of existence and inspected feature Vectors matching, dwindle range of floors according to WiFi MAC value in default error range, the WiFi MAC value with above-mentioned inspected feature vector searches out corresponding floor number scope in fingerprint base; According to WiFi signal strength values, dwindle room number or public space name scope, the WiFi signal strength values with inspected feature vector searches out corresponding room scope in previous step standard feature fingerprint vector, may be also architecture enclosing border or gateway and public aisle; According to base station parameter, further reduce the scope, such as towards etc., when previous step search acquired results is still not unique, according to base station parameter calculate possible towards; Still in the time of can not uniquely determining the indoor location of terminal to be positioned after all parameter items of inspected feature vector have all mated, these unascertainable plurality of positions vectors are called to " may collect ", calculate inspected feature vector and the similarity between each position vector in " may collect ", adopt " minimum vectorial spacing method " to obtain " may collect " vector of a maximum similarity, that is: obtain the standard feature vector with inspected feature vector error scope minimum, thereby infer the indoor location coordinate of the terminal that to be positioned.

Because terminal to be positioned need to be learned its indoor location of living in, can be called the side of being positioned, initiate a side of Location Request, for example, mobile terminal, equipment, business platform etc., be called location side.Further, locating platform obtains after the positioning result or locating result information of terminal to be positioned, this positioning result or locating result information can be sent to the location side that asks location, for example, business platform or terminal to be positioned, business platform can further be transmitted to by the positioning result of this terminal to be positioned or locating result information third party's terminal that request is located.During terminal request to be positioned location, can periodically after obtaining multimode signal, position send upstream message to locating platform, and receive positioning result or the locating result information that locating platform returns, between terminal to be positioned and locating platform, specifically can carry out information interaction by heartbeat packet.In practical business, often set up independent business platform, business platform is done the request of response third party terminal, by locating platform, initiatively ask for the indoor location of certain standby communication terminal, accordingly, terminal to be positioned receives the instruction of locating platform, obtains multimode signal and be uploaded to locating platform in position, and locating platform obtains the indoor location coordinate of terminal to be positioned according to certain algorithm, and loopback is to business platform, is returned to third party's terminal of initiating location by business platform.

Fig. 4 is the structural representation of an embodiment of locating platform of the present invention.The locating platform of this embodiment can be used in the present invention the corresponding function of locating platform in the above-mentioned respectively localization method embodiment based on multimode signal.As shown in Figure 4, it comprises receiving element 401, the first memory cell 402 and matching unit 403.

Wherein, receiving element 401, for receiving the upstream message that terminal to be positioned sends after position obtains multimode signal, wherein, multimode signal comprises WiFi signal and mobile communications network signal, upstream message comprises the multimode signal information that terminal to be positioned gets, multimode signal information comprises type and the parameter of multimode signal, the type of multimode signal comprises WiFi signal or mobile communications network signal, when the type of multimode signal is WiFi signal, the parameter of corresponding multimode signal comprises WiFi parameter, WiFi parameter comprises WiFi access point geocoding WiFi MAC value and WiFi signal strength values, when the type of multimode signal is mobile communications network signal, the parameter of corresponding multimode signal comprises the base station parameter of mobile communications network.

Particularly, as a specific embodiment of the present invention, mobile communications network wherein comprise GSM, CDMA, WCDMA, with CDMA2000 in any one or multiple.Current Serving BTS parameter or adjacent base station parameter comprise: the base station IDs of Current Serving BTS or adjacent base station with at the signal strength signal intensity Rx of position.

The first memory cell 402, for storing building fingerprint base, fingerprint base comprises the indoor location coordinate of building, building and the correspondence relationship information between standard feature fingerprint.Wherein, the vector that standard feature fingerprint is the unique composition of multimode signal relevant parameter that collects at correspondence position, multimode signal relevant parameter is included in L WiFi parameter, M Current Serving BTS parameter in mobile communications network N the adjacent base station parameter corresponding with each Current Serving BTS that indoor location coordinate place, place signal strength signal intensity is larger, WiFi parameter comprises WiFi SSID, WiFiMAC value and WiFi signal strength values, and L, M, N are respectively the default integer that is greater than zero.

Matching unit 403, for the upstream message multimode signal information that receiving element 401 is received, mate with the standard feature fingerprint in fingerprint base, obtain the indoor location coordinate of the building that the standard feature fingerprint of multimode signal information matches is corresponding, using the indoor location coordinate of this building as the indoor positioning result of terminal to be positioned.

The locating platform that the above embodiment of the present invention provides, one group of multimode signal relevant parameter that can be collected by each position in building in advance, be included in L the WiFi parameter that indoor location coordinate place, place signal strength signal intensity is larger, M in mobile communications network N the adjacent base station parameter that Current Serving BTS parameter is corresponding with each Current Serving BTS, form respectively a vector, it is standard feature fingerprint, and in fingerprint base, set up building, the indoor location coordinate of building and the correspondence relationship information between standard feature fingerprint, when receiving the upstream message that terminal to be positioned sends after position obtains multimode signal, the multimode signal information that terminal to be positioned is obtained is mated with the standard feature fingerprint in building fingerprint base, obtain the indoor location coordinate of the building that the standard feature fingerprint of this multimode signal information matches is corresponding, using the indoor location coordinate of this building as the indoor positioning result of terminal to be positioned, because employing simultaneously comprises the multimode signal parameter of the base station parameter in WiFi parameter and mobile communications network, treat locating terminal and position, thereby improved the accuracy of indoor positioning, and, can directly utilize existing communication equipment and resource, without investing to build specially, significantly reduced capital construction and the operation cost of indoor precise positioning.

Fig. 5 is the structural representation of another embodiment of locating platform of the present invention.Compare with the embodiment shown in Fig. 4, in the locating platform of this embodiment, each indoor location coordinate of each building and one group of multimode signal relevant parameter of each indoor location that receiving element 401 also reports for receiving acquisition terminal.Wherein, indoor location comprises that the outer boundary position of building and outer boundary are with interior interior location, outer boundary position can comprise building name, floor number, orientation, public space title, with towards etc., interior location can comprise building name, floor number, room number or public space title, with towards etc.In addition, referring to Fig. 5, the locating platform of this embodiment also comprises generation unit 404 and sets up unit 405.

Wherein, generation unit 404, generates a standard feature fingerprint for the one group of multimode signal relevant parameter being received by receiving element 401 respectively.

Set up unit 405, each indoor location coordinate for each building of receiving according to receiving element 401, and the standard feature fingerprint that generates of corresponding one group of multimode signal relevant parameter of receiving according to receiving element of generation unit 404, in the fingerprint base of the first memory cell 402 storages, set up building, the indoor location coordinate of building and the correspondence relationship information between standard feature fingerprint, and when generation unit 404 generates the new standard characteristic fingerprint of same building things at same indoor location coordinate place, utilize this new standard fingerprint to upgrade in fingerprint base same building thing at the standard feature fingerprint at same indoor location coordinate place.

Fig. 6 is the structural representation of another embodiment of locating platform of the present invention.As shown in Figure 6, compare with the locating platform of the various embodiments described above of the present invention, the locating platform of this embodiment also comprises recognition unit 406 and positioning unit 407.

Wherein, recognition unit 406, the upstream message receiving for identifying receiving element 401, whether multimode signal information comprises the base station parameter of WiFi parameter and mobile communications network simultaneously.

Accordingly, matching unit 403, according to the recognition result of recognition unit 406, specifically, when multimode signal information comprises the base station parameter of WiFi parameter and mobile communications network simultaneously, mates multimode signal information with the standard feature fingerprint in fingerprint base.

Positioning unit 407, be used for according to the recognition result of recognition unit 406, when multimode signal information only comprises WiFi parameter, from the building fingerprint base of memory cell 401 storages, inquiry comprises the preferably maximum standard feature fingerprint of L WiFi parameters of upstream message performance, usings the indoor location coordinate of building corresponding to this standard feature fingerprint as the indoor positioning result of terminal to be positioned; When multimode signal information only comprises the base station parameter of mobile communications network, adopt fast base station location algorithm, according to the base station parameter of mobile communications network in multimode signal information, treat locating terminal and position.

In addition, then referring to Fig. 6, as another specific embodiment of locating platform, can also comprise the second memory cell 408 and setting unit 409.

Wherein, the second memory cell 408, for storing building attribute information storehouse, this attribute information storehouse comprises the position attribution information that each indoor location coordinate of each building is corresponding.

Setting unit 409, for the attribute information storehouse from the second memory cell 408 storages, obtain matching unit 403 or positioning unit 407 that obtain, as the position attribution information corresponding to indoor location coordinate of the indoor positioning result of terminal to be positioned, according to the locating result information of the indoor location coordinate of the indoor positioning result as terminal to be positioned and the corresponding default form of position attribution Information generation.

Further, again referring to Fig. 6, another specific embodiment as locating platform, can also comprise transmitting element 410, for the positioning result of terminal to be positioned that matching unit 403 or positioning unit 407 are obtained or the locating result information that setting unit 409 generates, send to business platform or the terminal to be positioned of request location.

Fig. 7 is the structural representation that the present invention is based on the unified embodiment of positioning systems of multimode signal.The locating platform of this embodiment can be used in the present invention the above-mentioned respectively flow process of the localization method embodiment based on multimode signal.As shown in Figure 7, it comprises terminal 1 to be positioned and locating platform 2.

Wherein, terminal 1 to be positioned, for obtaining multimode signal in position and sending upstream message to locating platform, multimode signal comprises without WiFi signal and mobile communications network signal, upstream message comprises the multimode signal information that terminal to be positioned gets, multimode signal information comprises type and the parameter of multimode signal, the type of multimode signal comprises WiFi signal or mobile communications network signal, when the type of multimode signal is WiFi signal, the parameter of corresponding multimode signal comprises WiFi parameter, WiFi parameter comprises WiFi MAC value and WiFi signal strength values, when the type of multimode signal is mobile communications network signal, the parameter of corresponding multimode signal comprises the base station parameter of mobile communications network.

Locating platform 2, the upstream message sending for receiving terminal 1 to be positioned, multimode signal information in upstream message is mated with the standard feature fingerprint in building fingerprint base, obtain the indoor location coordinate of the building that the standard feature fingerprint of multimode signal information matches is corresponding, using the indoor location coordinate of this building as the indoor positioning result of terminal to be positioned.Wherein, fingerprint base comprises building, the indoor location coordinate of building and the correspondence relationship information between standard feature fingerprint, the vector that standard feature fingerprint is the unique composition of multimode signal relevant parameter that collects at correspondence position, multimode signal relevant parameter is included in L the WiFi parameter that indoor location coordinate place, place signal strength signal intensity is larger, M in mobile communications network N the adjacent base station parameter that Current Serving BTS parameter is corresponding with each Current Serving BTS, WiFi parameter comprises WiFi SSID, WiFiMAC value and WiFi signal strength values, L, M, N is respectively the default integer that is greater than zero.

As a specific embodiment of the present invention, locating platform in navigation system based on multimode signal described in Fig. 7 specifically can adopt the structure of the locating platform that the various embodiments described above of the present invention provide to realize, as an example, Fig. 7 only shows the instantiation that locating platform adopts structure embodiment illustrated in fig. 6.

The navigation system based on multimode signal that the above embodiment of the present invention provides, each in building position collects multimode signal relevant parameter in advance, be included in L the WiFi parameter that indoor location coordinate place, place signal strength signal intensity is larger, M in mobile communications network N the adjacent base station parameter that Current Serving BTS parameter is corresponding with each Current Serving BTS, and form respectively a vector by each group multimode signal relevant parameter, it is standard feature fingerprint, and in fingerprint base, set up building, the indoor location coordinate of building and the correspondence relationship information between standard feature fingerprint, when receiving the upstream message that terminal to be positioned sends after position obtains multimode signal, the multimode signal information that terminal to be positioned is obtained is mated with the standard feature fingerprint in building fingerprint base, obtain the indoor location coordinate of the building that the standard feature fingerprint of this multimode signal information matches is corresponding, using the indoor location coordinate of this building as the indoor positioning result of terminal to be positioned, because employing simultaneously comprises the multimode signal parameter of the base station parameter in WiFi parameter and mobile communications network, treat locating terminal and position, thereby improved the accuracy of indoor positioning, and, can directly utilize existing communication equipment and resource, without investing to build specially, significantly reduced capital construction and the operation cost of indoor precise positioning.

Fig. 8 is the structural representation that the present invention is based on another embodiment of navigation system of multimode signal.Compare with the embodiment shown in Fig. 7, the navigation system of this embodiment based on multimode signal can also comprise acquisition terminal 3, be used for for each building, gather respectively each indoor location coordinate and obtain one group of multimode signal relevant parameter of each indoor location, so that locating platform 2 is generated a standard feature fingerprint and set up the indoor location coordinate of building, building and the correspondence relationship information between standard feature fingerprint in fingerprint base by one group of multimode signal relevant parameter respectively.

In navigation system in various embodiments of the present invention based on multimode signal, specifically can initiate positioning flow by terminal 1 to be positioned, also can initiate positioning flow by third party's terminal.While initiating positioning flow by terminal 1 to be positioned, terminal 1 to be positioned is also for sending Location Request to locating platform 2, and after receiving the location response message that locating platform 2 returns, to locating platform 2, send described upstream message, in addition also can be regularly, initiatively to the described upstream message of locating platform 2 transmission.Accordingly, locating platform 2 is also for receiving the Location Request of terminal to be positioned, and the positioning result of terminal 1 to be positioned is sent to terminal 1 to be positioned.

While initiating positioning flow by third party's terminal, as shown in Figure 8, navigation system can also comprise business platform and 4 third party's terminals 5.Wherein, third party's terminal 5, for sending and treat the Location Request that locating terminal 1 positions to business platform 4, this Location Request comprises the user ID of terminal 1 to be positioned, and the positioning result that receives the terminal to be positioned 1 of business platform 4 transmissions.Business platform 4, can realize the encapsulation of business function, for forwarding Location Request to locating platform 2, the positioning result disease that receives the terminal to be positioned 1 of locating platform 2 transmissions is transmitted to third party's terminal 5, alternatively, can also carry out service authentication, record location business service condition etc. to the third party user of request location, specific positioning service interface is stashed, the access interface of end user's terminal is provided.Accordingly, locating platform 2 is also for sending to business platform 4 by the positioning result of terminal 1 to be positioned.

In this specification, each embodiment all adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, same or analogous part cross-references between each embodiment.For device, system embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.

One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of program command, aforesaid program can be stored in a computer read/write memory medium, this program, when carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.

The embodiment of the present invention has improved the accuracy of indoor positioning, and, adopting indoor laying alignment sensor to realize indoor positioning with prior art compares, can directly utilize existing communication equipment and resource, without investing to build specially, significantly reduced capital construction and the operation cost of indoor precise positioning; Once the localization method of the embodiment of the present invention and system arrive most cities common building thing by coverage extension, formed the indoor positioning public service platform of a socialization, can be used for various application needs, form a basic ability of New Economy pattern.In sum, utilize localization method of the present invention and system, can form a set of fast response time, accuracy rate is high, operation cost is cheap, Indoor environment positioning service platform that can be universal, for operator opens up new form of service, lay the foundation, for meeting the location requirement of user's various ways, offer convenience.

Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment with various modifications that the present invention's design is suitable for special-purpose.

Claims (21)

1. the localization method based on multimode signal, is characterized in that, comprising:
Locating platform receives the upstream message that terminal to be positioned sends after position obtains multimode signal, described multimode signal comprises WLAN (wireless local area network) WiFi signal and mobile communications network signal, described upstream message comprises the multimode signal information that described terminal to be positioned gets, described multimode signal information comprises type and the parameter of multimode signal, the type of described multimode signal comprises WiFi signal or mobile communications network signal, when the type of described multimode signal is WiFi signal, the parameter of corresponding multimode signal comprises WiFi parameter, described WiFi parameter comprises WiFi access point geocoding MAC value and WiFi signal strength values, when the type of described multimode signal is mobile communications network signal, the parameter of corresponding multimode signal comprises the base station parameter of mobile communications network,
Described locating platform mates described multimode signal information with the standard feature fingerprint in building fingerprint base, obtain the indoor location coordinate of the building that the standard feature fingerprint of described multimode signal information matches is corresponding, using the indoor location coordinate of this building as the indoor positioning result of described terminal to be positioned, described fingerprint base comprises building, the indoor location coordinate of building and the correspondence relationship information between standard feature fingerprint, the vector that described standard feature fingerprint is the unique composition of multimode signal relevant parameter that collects at correspondence position, described multimode signal relevant parameter is included in L the WiFi parameter that indoor location coordinate place, place signal strength signal intensity is larger, M in mobile communications network N the adjacent base station parameter that Current Serving BTS parameter is corresponding with each Current Serving BTS, described WiFi parameter comprises WiFi APN SSID, WiFi MAC value and WiFi signal strength values, L, M, N is respectively the default integer that is greater than zero.
2. method according to claim 1, is characterized in that, described mobile communications network comprise global system for mobile communications GSM, CDMA systems, Wideband Code Division Multiple Access (WCDMA) WCDMA system, with CDMA2000 in any one or multiple;
Described Current Serving BTS parameter or adjacent base station parameter comprise: the Base Station Identification of Current Serving BTS or adjacent base station with at the signal strength signal intensity Rx of position.
3. method according to claim 2, is characterized in that, also comprises:
For each building, gather respectively each indoor location coordinate and obtain multimode signal relevant parameter described in a group of each indoor location, described indoor location comprises that the outer boundary position of described building and outer boundary are with interior interior location, described outer boundary position comprise building name, floor number, orientation, public space title, towards, described interior location comprise building name, floor number, room number or public space title, with towards;
By multimode signal relevant parameter described in a group, generate a described standard feature fingerprint respectively;
In described fingerprint base, set up the indoor location coordinate of building, building and the correspondence relationship information between standard feature fingerprint.
4. method according to claim 3, is characterized in that, obtains multimode signal relevant parameter described in a group of each indoor location and comprises:
For each indoor location, at orthogonal direction, gather four groups of multimode signal relevant parameters respectively;
Obtain the average data group of four groups of multimode signal relevant parameters, using this average data group as multimode signal relevant parameter described in a group of place indoor location.
5. method according to claim 3, is characterized in that, also comprises:
According to predetermined period, obtain multimode signal relevant parameter described in a group of each indoor location in each building, and generate respectively a described standard feature fingerprint;
According to the standard feature of up-to-date generation, the correspondence relationship information between the indoor location coordinate of building, building in described fingerprint base and standard feature fingerprint is upgraded.
6. method according to claim 1, is characterized in that, locating platform also comprises after receiving the upstream message that terminal to be positioned sends after position obtains multimode signal:
Described locating platform is identified the base station parameter whether described multimode signal information comprises WiFi parameter and mobile communications network simultaneously;
If described multimode signal information comprises the base station parameter of WiFi parameter and mobile communications network simultaneously, carry out described locating platform mates described multimode signal information operation with standard feature fingerprint in building fingerprint base;
Otherwise, if described multimode signal information only comprises WiFi parameter, described locating platform is inquired about and is comprised the preferably maximum standard feature fingerprint of L WiFi parameters of described upstream message performance from building fingerprint base, usings the indoor location coordinate of building corresponding to this standard feature fingerprint as the indoor positioning result of described terminal to be positioned; If described multimode signal information only comprises the base station parameter of mobile communications network, described locating platform adopts fast base station location algorithm, according to the base station parameter of mobile communications network in described multimode signal information, described terminal to be positioned is positioned.
7. according to the method described in claim 1 to 6 any one, it is characterized in that, described multimode signal information is mated with the characteristic fingerprint in building fingerprint base, obtain the indoor location coordinate of the described building that the characteristic fingerprint of described multimode signal information matches is corresponding, the indoor location coordinate of this building of usining comprises as the indoor positioning result of described terminal to be positioned:
The base station parameter of determining WiFi parameter and mobile communications network in upstream message corresponding target building in fingerprint base, and by the described upstream message performance maximum base station parameter of maximum N adjacent base stations corresponding to each base station in the base station parameter of L WiFi parameter, a M base station, a M base station preferably, the inspected feature that generates described terminal to be positioned is vectorial;
From described fingerprint base, obtain the standard feature fingerprint with described inspected feature Vectors matching;
Inquire about the correspondence relationship information between each indoor location coordinate and characteristic fingerprint, obtain the indoor location coordinate corresponding with the inspected feature vector of described inspected feature Vectors matching as position coordinates in target chamber;
Using position coordinates in the described target chamber of described target building as the indoor positioning result of described terminal to be positioned.
8. method according to claim 7, is characterized in that, determines that base station parameter corresponding target building in fingerprint base of WiFi parameter and mobile communications network in upstream message comprises:
WiFi parameter corresponding first object building in fingerprint base in inquiry upstream message, and the base station parameter of mobile communications network corresponding the second target building in fingerprint base in upstream message;
If inquire first object building but do not inquire the second target building, using first object building as the base station parameter of WiFi parameter in upstream message and mobile communications network corresponding target building in fingerprint base;
If do not inquire first object building but inquire the second target building, using the second target building as the base station parameter of WiFi parameter in upstream message and mobile communications network corresponding target building in fingerprint base;
If inquire first object building and the second target building, relatively whether first object building and the second target building are same building; If first object building and the second target building are same building, using this same building as the base station parameter of WiFi parameter in upstream message and mobile communications network corresponding target building in fingerprint base; Otherwise, if first object building and the second target building are not same buildings, according to default regulation, using first object building or the second target building as the base station parameter of WiFi parameter in upstream message and mobile communications network corresponding target building in fingerprint base.
9. method according to claim 8, is characterized in that, usings first object building or the second target building comprise as base station parameter corresponding target building in fingerprint base of WiFi parameter in upstream message and mobile communications network according to default regulation:
WiFi parameter in continuous a plurality of upstream messages is during all lower than predetermined threshold value, usings the second target building as the base station parameter of WiFi parameter in upstream message and mobile communications network corresponding target building in fingerprint base; Otherwise, using first object building as the base station parameter of WiFi parameter in upstream message and mobile communications network corresponding target building in fingerprint base.
10. method according to claim 7, is characterized in that, obtains with the standard feature fingerprint of described inspected feature Vectors matching and comprise from described fingerprint base:
Inquire about in described fingerprint base and search for described inspected feature vector, in the default error range of inquiry, whether exist and the unique standard feature fingerprint mating of described inspected feature vector;
If exist in default error range and the unique standard feature fingerprint mating of described inspected feature vector, carry out the operation of the correspondence relationship information between each indoor location coordinate of described inquiry and characteristic fingerprint;
Otherwise, if there are a plurality of standard feature fingerprints with described inspected feature Vectors matching in default error range, from described a plurality of standard feature fingerprints, obtain the first standard feature fingerprint that comprises floor number scope in indoor location corresponding to WiFi MAC value in described inspected feature vector; From the first standard feature fingerprint, obtain the second standard feature fingerprint that comprises room number in the indoor location that in described inspected feature vector, WiFi signal strength values is corresponding or public space name scope; According to the base station parameter of mobile communications network in described inspected feature vector determine indoor location towards, and according to this towards select the 3rd standard feature fingerprint from the second standard feature fingerprint, as the standard feature fingerprint with described inspected feature Vectors matching, described the 3rd standard feature fingerprint is one or more.
11. according to the method described in claim 1 to 6 any one, it is characterized in that, after obtaining the indoor positioning result of described terminal to be positioned, also comprises:
From building attribute information storehouse, obtain position attribution information corresponding to indoor location coordinate as the indoor positioning result of described terminal to be positioned, according to the indoor location coordinate of the described indoor positioning result as described terminal to be positioned and corresponding position attribution Information generation, preset the locating result information of form.
12. 1 kinds of locating platforms, is characterized in that, comprising:
Receiving element, for receiving the upstream message that terminal to be positioned sends after position obtains multimode signal, described multimode signal comprises WLAN (wireless local area network) WiFi signal and mobile communications network signal, described upstream message comprises the multimode signal information that described terminal to be positioned gets, described multimode signal information comprises type and the parameter of multimode signal, the type of described multimode signal comprises WiFi signal or mobile communications network signal, when the type of described multimode signal is WiFi signal, the parameter of corresponding multimode signal comprises WiFi parameter, described WiFi parameter comprises WiFi access point geocoding MAC value and WiFi signal strength values, when the type of described multimode signal is mobile communications network signal, the parameter of corresponding multimode signal comprises the base station parameter of mobile communications network,
The first memory cell, be used for storing building fingerprint base, described fingerprint base comprises building, the indoor location coordinate of building and the correspondence relationship information between standard feature fingerprint, the vector that described standard feature fingerprint is the unique composition of multimode signal relevant parameter that collects at correspondence position, described multimode signal relevant parameter is included in L the WiFi parameter that indoor location coordinate place, place signal strength signal intensity is larger, M in mobile communications network N the adjacent base station parameter that Current Serving BTS parameter is corresponding with each Current Serving BTS, described WiFi parameter comprises WiFi APN SSID, WiFi MAC value and WiFi signal strength values, L, M, N is respectively the default integer that is greater than zero,
Matching unit, for described multimode signal information is mated with the standard feature fingerprint of described fingerprint base, obtain the indoor location coordinate of the building that the standard feature fingerprint of described multimode signal information matches is corresponding, using the indoor location coordinate of this building as the indoor positioning result of described terminal to be positioned.
13. locating platforms according to claim 12, is characterized in that, described mobile communications network comprise GSM, cdma system, WCDMA system, with CDMA2000 in any one or multiple;
Described Current Serving BTS parameter or adjacent base station parameter comprise: the Base Station Identification of Current Serving BTS or adjacent base station with at the signal strength signal intensity Rx of position.
14. locating platforms according to claim 13, it is characterized in that, described receiving element is also for receiving multimode signal relevant parameter described in each indoor location coordinate of each building that acquisition terminal reports and each indoor location one group, described indoor location comprises that the outer boundary position of described building and outer boundary are with interior interior location, described outer boundary position comprise building name, floor number, orientation, public space title, towards, described interior location comprise building name, floor number, room number or public space title, with towards;
Described locating platform also comprises:
Generation unit, for generating a described standard feature fingerprint by multimode signal relevant parameter described in a group respectively;
Set up unit, for setting up the indoor location coordinate of building, building and the correspondence relationship information between standard feature fingerprint at described fingerprint base, and when generation unit generates the new standard characteristic fingerprint of same building thing at same indoor location coordinate place, utilize this new standard fingerprint to upgrade in described fingerprint base same building thing at the standard feature fingerprint at same indoor location coordinate place.
15. according to claim 12 to the locating platform described in 14 any one, it is characterized in that, also comprises:
Whether recognition unit, comprise the base station parameter of WiFi parameter and mobile communications network simultaneously for identifying described multimode signal information;
Matching unit specifically, when described multimode signal information comprises the base station parameter of WiFi parameter and mobile communications network simultaneously, mates described multimode signal information with the standard feature fingerprint in described fingerprint base;
Positioning unit, be used for according to the recognition result of described recognition unit, when described multimode signal information only comprises WiFi parameter, from building fingerprint base, inquiry comprises the preferably maximum standard feature fingerprint of L WiFi parameters of described upstream message performance, usings the indoor location coordinate of building corresponding to this standard feature fingerprint as the indoor positioning result of described terminal to be positioned; When described multimode signal information only comprises the base station parameter of mobile communications network, adopt fast base station location algorithm, according to the base station parameter of mobile communications network in described multimode signal information, described terminal to be positioned is positioned.
16. locating platforms according to claim 15, is characterized in that, also comprise:
The second memory cell, for storing building attribute information storehouse, described attribute information storehouse comprises the position attribution information that each indoor location coordinate of each building is corresponding;
Setting unit, for obtain position attribution information corresponding to indoor location coordinate as the indoor positioning result of described terminal to be positioned from described attribute information storehouse, according to the indoor location coordinate of the described indoor positioning result as described terminal to be positioned and corresponding position attribution Information generation, preset the locating result information of form.
17. locating platforms according to claim 15, is characterized in that, also comprise:
Transmitting element, for sending to the positioning result of described terminal to be positioned business platform or the described terminal to be positioned of request location.
18. 1 kinds of navigation systems based on multimode signal, is characterized in that, comprising:
Terminal to be positioned, for obtaining multimode signal in position and sending upstream message to locating platform, described multimode signal comprises WLAN (wireless local area network) WiFi signal and mobile communications network signal, described upstream message comprises the multimode signal information that described terminal to be positioned gets, described multimode signal information comprises type and the parameter of multimode signal, the type of described multimode signal comprises WiFi signal or mobile communications network signal, when the type of described multimode signal is WiFi signal, the parameter of corresponding multimode signal comprises WiFi parameter, described WiFi parameter comprises WiFi access point geocoding MAC value and WiFi signal strength values, when the type of described multimode signal is mobile communications network signal, the parameter of corresponding multimode signal comprises the base station parameter of mobile communications network,
Locating platform, be used for receiving described upstream message, described multimode signal information is mated with the standard feature fingerprint in building fingerprint base, obtain the indoor location coordinate of the building that the standard feature fingerprint of described multimode signal information matches is corresponding, using the indoor location coordinate of this building as the indoor positioning result of described terminal to be positioned, described fingerprint base comprises building, the indoor location coordinate of building and the correspondence relationship information between standard feature fingerprint, the vector that described standard feature fingerprint is the unique composition of multimode signal relevant parameter that collects at correspondence position, described multimode signal relevant parameter is included in L the WiFi parameter that indoor location coordinate place, place signal strength signal intensity is larger, M in mobile communications network N the adjacent base station parameter that Current Serving BTS parameter is corresponding with each Current Serving BTS, described WiFi parameter comprises WiFi APN SSID, WiFi MAC value and WiFi signal strength values, L, M, N is respectively the default integer that is greater than zero.
19. systems according to claim 18, is characterized in that, described locating platform is specially the locating platform described in claim 12 to 17 any one.
20. systems according to claim 19, is characterized in that, also comprise:
Acquisition terminal, be used for for each building, gather respectively each indoor location coordinate and obtain multimode signal relevant parameter described in a group of each indoor location, so that described locating platform is generated a described standard feature fingerprint and set up the indoor location coordinate of building, building and the correspondence relationship information between standard feature fingerprint in described fingerprint base by multimode signal relevant parameter described in a group respectively.
21. systems according to claim 19, is characterized in that, described locating platform is also for receiving the Location Request of described terminal to be positioned, and the positioning result of described terminal to be positioned is sent to described terminal to be positioned; Or
Described system also comprises business platform and third party's terminal;
Described third party's terminal, for send the Location Request that described terminal to be positioned is positioned to business platform, described Location Request comprises the user ID of described terminal to be positioned, and the positioning result that receives the described terminal to be positioned of described business platform transmission;
Described business platform, for forwarding described Location Request to described locating platform, receives the positioning result of the described terminal to be positioned that described locating platform sends and is transmitted to described third party's terminal;
Described locating platform is also for sending to described business platform by the positioning result of described terminal to be positioned.
CN201110197912.9A 2011-07-15 2011-07-15 Multimode signal-based positioning method, system and positioning platform CN102348160B (en)

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