CN102348160A

CN102348160A - Multimode signal-based positioning method, system and positioning platform

Info

Publication number: CN102348160A
Application number: CN2011101979129A
Authority: CN
Inventors: 钟致民; 杨广龙; 张玉良; 吴彦津; 孔勇平
Original assignee: China Telecom Corp Ltd
Current assignee: China Telecom Corp Ltd
Priority date: 2011-07-15
Filing date: 2011-07-15
Publication date: 2012-02-08
Anticipated expiration: 2031-07-15
Also published as: CN102348160B

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

Based on the localization method of multimode signal and system, locating platform

Technical field

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

Background technology

Along with wireless communication technology and development of internet technology, the use of portable terminal is popularized gradually, has become one of indispensable daily necessities that masses carry.Increase along with mobile terminal function; People can accomplish increasing work through portable terminal; For example: location technology can be applied to portable terminal; Through to enterprise personnel; As the field force that patrols, sale field force etc., the configuration portable terminal is realized the location management to enterprise personnel.

The portable 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: the mobile phone navigation software, realize the location.Third party location is that application party (is also referred to as: when the third party) hoping to obtain the current geographical position of certain mobile phone users; Use mobile communications network to realize the location to portable terminal, mobile phone users was not necessarily recognized at that time has the third party that it is positioned.The third party locatees business such as being widely used in business administration, the outer inmate's supervision of prison, sales force management, patrol police's scheduling at present.

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

But, be positioned at when indoor at portable terminal, adopt the simple indoor extension of outdoor location to realize location usually to portable terminal.For example, in indoor current location and the outdoor place that has sighting distance directly can lead to, can directly adopt the GPS location technology to realize location at portable terminal to this indoor portable terminal; Perhaps, directly adopt the positioning result of outdoor base station positioning result as this indoor portable terminal.In addition, also can realize indoor positioning at indoor laying alignment sensor specially, positioning accuracy is confirmed by the layout density of alignment sensor.

In realizing process of the present invention; The inventor finds that prior art carries out the method for indoor positioning and have following problem at least: when adopting the simple indoor extension of outdoor location to realize the location to portable terminal; The indoor location precision of being oriented is lower; Usually more much lower than outdoor positioning accuracy, positioning result is inaccurate; When carrying out indoor positioning through laying alignment sensor, owing to need the special alignment sensor of laying, cost is higher, especially when needs improve positioning accuracy, just needs the higher alignment sensor of layout density, has further increased the location cost.

Summary of the invention

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

A kind of localization method based on the multimode signal that the embodiment of the invention provides comprises:

Locating platform receives terminal to be positioned and obtains the upstream message of sending behind the multimode signal in the position; Said multimode signal comprises WLAN WiFi signal and mobile communications network signal; Said upstream message comprises the multimode signal message that said terminal to be positioned gets access to; Said multimode signal message comprises the type and the parameter of multimode signal; The type of said multimode signal comprises WiFi signal or mobile communications network signal; When the type of said multimode signal is the WiFi signal; The parameter of corresponding multimode signal comprises the WiFi parameter; Said WiFi parameter comprises WiFi access point geocoding WiFiMAC value and WiFi signal strength values; When the type of said multimode signal was the mobile communications network signal, the parameter of corresponding multimode signal comprised the base station parameter of mobile communications network;

Said locating platform mates the standard feature fingerprint in said multimode signal message and the building fingerprint base; Obtain the indoor location coordinate of the corresponding building of the standard feature fingerprint of said multimode signal message coupling; With the indoor location coordinate of this building indoor positioning result as said terminal to be positioned; Said fingerprint base comprises building; The indoor location coordinate of building and the correspondence relationship information between the standard feature fingerprint; Said standard feature fingerprint is the vector of the unique composition of multimode signal correction parameter that collects at correspondence position; Said multimode signal correction parameter is included in L bigger WiFi parameter of place indoor location coordinate place's signal strength signal intensity; M in the mobile communications network N the adjacent base station parameter that the Current Serving BTS parameter is corresponding with each Current Serving BTS; Said WiFi parameter comprises WiFi APN WiFi SSID; WiFi MAC value and WiFi signal strength values, L; M; N is respectively the preset integer greater than zero.

A kind of locating platform that the embodiment of the invention provides comprises:

Receiving element; Be used to receive terminal to be positioned and obtain the upstream message of sending behind the multimode signal in the position; Said multimode signal comprises WiFi signal and mobile communications network signal; Said upstream message comprises the multimode signal message that said terminal to be positioned gets access to; Said multimode signal message comprises the type and the parameter of multimode signal; The type of said multimode signal comprises WiFi signal or mobile communications network signal; When the type of said multimode signal is the WiFi signal; The parameter of corresponding multimode signal comprises the WiFi parameter; Said WiFi parameter comprises WiFiMAC value and WiFi signal strength values; When the type of said multimode signal was the mobile communications network signal, the parameter of corresponding multimode signal comprised the base station parameter of mobile communications network;

First memory cell; Be used to store the building fingerprint base; Comprise building in the said fingerprint base; The indoor location coordinate of building and the correspondence relationship information between the standard feature fingerprint; Said standard feature fingerprint is the vector of the unique composition of multimode signal correction parameter that collects at correspondence position; Said multimode signal correction parameter is included in L bigger WiFi parameter of place indoor location coordinate place's signal strength signal intensity; M in the mobile communications network N the adjacent base station parameter that the Current Serving BTS parameter is corresponding with each Current Serving BTS; Said WiFi parameter comprises WiFiSSID; WiFi MAC value and WiFi signal strength values, L; M; N is respectively the preset integer greater than zero;

Matching unit; Be used for the standard feature fingerprint of said multimode signal message and said fingerprint base is mated; Obtain the indoor location coordinate of the corresponding building of the standard feature fingerprint of said multimode signal message coupling, with the indoor location coordinate of this building indoor positioning result as said terminal to be positioned.

A kind of navigation system based on the multimode signal that the embodiment of the invention provides comprises:

Terminal to be positioned; Be used for obtaining the multimode signal and send upstream message to locating platform in the position; Said multimode signal comprises no WiFi signal and mobile communications network signal; Said upstream message comprises the multimode signal message that said terminal to be positioned gets access to; Said multimode signal message comprises the type and the parameter of multimode signal; The type of said multimode signal comprises WiFi signal or mobile communications network signal; When the type of said multimode signal is the WiFi signal; The parameter of corresponding multimode signal comprises the WiFi parameter; Said WiFi parameter comprises WiFiMAC value and WiFi signal strength values; When the type of said multimode signal was the mobile communications network signal, the parameter of corresponding multimode signal comprised the base station parameter of mobile communications network;

Locating platform; Be used to receive said upstream message; Standard feature fingerprint in said multimode signal message and the building fingerprint base is mated; Obtain the indoor location coordinate of the corresponding building of the standard feature fingerprint of said multimode signal message coupling; With the indoor location coordinate of this building indoor positioning result as said terminal to be positioned; Said fingerprint base comprises building; The indoor location coordinate of building and the correspondence relationship information between the standard feature fingerprint; Said standard feature fingerprint is the vector of the unique composition of multimode signal correction parameter that collects at correspondence position; Said multimode signal correction parameter is included in L bigger WiFi parameter of place indoor location coordinate place's signal strength signal intensity; M in the mobile communications network N the adjacent base station parameter that the Current Serving BTS parameter is corresponding with each Current Serving BTS; Said WiFi parameter comprises WiFi SSID; WiFiMAC value and WiFi signal strength values, L; M; N is respectively the preset integer greater than zero.

Based on the above embodiment of the present invention to provide a multi-mode signal based positioning method and system, positioning platform can be in advance for each position within the building to the multi-mode signal acquisition parameters, including the position coordinates of the room where the signal strength is greater L a WiFi parameters, the mobile communication network of the M parameter with the current serving base station currently serving base station for each of the N neighboring base stations corresponding parameter by each group of multi-mode signals, respectively, to form a vector of parameters, which is the standard characteristic fingerprint , and in the fingerprint database created in buildings, indoor location coordinates of the standard features of the correspondence between the fingerprint information to be received at the location of the positioning terminal to obtain multi-mode signal when the uplink message sent after the positioning to be multimode terminal signal information for the building standard features in the fingerprint database for matching fingerprints to obtain the multi-mode signal is a standard feature of fingerprint information matches the corresponding position coordinates of a building interior to the building indoor location coordinates as determined terminal to indoor positioning result, since including WiFi parameters while using a mobile communication network including a base station parameter to treat a multimode signal parameters for positioning the positioning terminal, thereby increasing the indoor positioning accuracy; Further, the prior technology uses Interior layout positioning sensor to achieve indoor positioning compared to direct use of existing communications equipment and resources, no special investment and construction to significantly reduce indoor precise positioning infrastructure and operational costs.

Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.

Description of drawings

In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously; Accompanying drawing in describing below only is some embodiments of the present invention; For those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.

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

To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.

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, this embodiment comprises based on the localization method of multimode signal:

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

This upstream message comprises the multimode signal message that terminal to be positioned gets access to, and multimode signal message wherein comprises the 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 the WiFi signal, the parameter of corresponding multimode signal comprises the 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 was the mobile communications network signal, the parameter of corresponding multimode signal comprised the base station parameter of mobile communications network.

Particularly, as a specific embodiment of the present invention, terminal to be positioned wherein can be portable terminal, personal computer (Personal Computer, hereinafter to be referred as: PC) wait all user terminals.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 the 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 the locating platform upstream message, also can reply this upstream message in real time according to the instruction of locating platform.

102; Locating platform mates multimode signal message in the upstream message and the standard feature fingerprint in the building fingerprint base; Obtain the indoor location coordinate of the corresponding building of the standard feature fingerprint of multimode signal message coupling, with the indoor location coordinate of this building indoor positioning result as terminal to be positioned.

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

The above embodiment of the present invention to provide a multi-mode signal based positioning method, in advance for each position within the building to the multi-mode signal acquisition parameters, including the position coordinates of the room where the signal strength is greater the L WiFi parameters, the mobile communication network currently serving base station of the M parameter with the current serving base station for each of the N neighboring base stations corresponding parameter by each group of multi-mode signals respectively to form a vector of parameters, characterized in that the standard fingerprint and the fingerprint library erection of the building, the building features indoor location coordinates the standard correspondence between the fingerprint information to be received at the location of the positioning terminal to obtain multi-mode signal transmitted uplink message, the access terminal to be positioned a multimode signal Information and library buildings fingerprint matching fingerprint standard features, access to the multi-mode signal standard feature of fingerprint information matches the corresponding position coordinates of the building interior to the building's indoor location coordinates to be positioned as a result of indoor positioning terminal , while using the WiFi parameters comprises a mobile communication network including a base station parameter to treat a multimode signal parameters for positioning the positioning terminal, thereby increasing the indoor positioning accuracy; And, can directly use the existing communications equipment and resources, No special investment and construction to significantly reduce indoor precise positioning infrastructure and operational costs.

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 each indoor location coordinate respectively and obtain one group of multimode signal correction parameter of each indoor location; Indoor location wherein comprises that outer boundary position and the outer boundary of building are with interior interior location; The 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;

Generate a standard feature fingerprint by one group of multimode signal correction parameter respectively;

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

Particularly, can adopt terminal that special-purpose acquisition software is installed or PC to gather each indoor location coordinate and obtain one group of multimode signal correction parameter of each indoor location.Special-purpose acquisition software both can independently be laid with the form of special-purpose acquisition terminal or PC, also can become to lay with termination set to be positioned, realized that the terminal or the PC that gather can be called collection side.In the practical application, can carry out the collection of desired parameters according to following order: first building periphery, to height successively up every floor will be gathered public space exemplary position, each center, room by low again, more than each position be called a collection point.At the office building layer region; Can gather with the terminal; At storehouse; Machine room; Zones such as storage can be gathered with PC; The parameter of gathering specifically can comprise: outer boundary position or interior location; Arrange preceding 6 WiFi parameter with the signal strength signal intensity that receives; Comprise WiFiSSID; WiFi MAC value; The WiFi signal strength values; With possible CDMA; Current Serving BTS parameter maximum 6 the adjacent base station parameters corresponding in CDMA2000 or the WCDMA system with each Current Serving BTS; Comprise pilot offset (PN); Sub-district coding (CID) and signal strength signal intensity Rx; And corresponding maximum 6 the adjacent base station parameters of Current Serving BTS parameter among the possible GSM with each Current Serving BTS; Comprise national coding (MCC); Network code (MNC); Regional code (LAC); CID; Signal strength signal intensity Rx and signal reach the time difference (TA) etc. and the base station parameter of other a plurality of carrier networks from the base station transmits to the current location.In CDMA, CDMA2000 or the WCDMA system, CID specifically is made up of with base station identity code (BSID) system identification (SID), NID (NID), and the base station IDs parameter comprises PN and sub-district coding CID.The base station IDs parameter comprises MCC, MNC, LAC and CID among the GSM.

Particularly; Consider the directivity of wireless network signal; In order to eliminate the random error of the multimode signal correction parameter that collects as far as possible; Make the multimode signal correction parameter that collects more reasonable, accurate; Can be directed against each indoor location; Gather four groups of multimode signal correction parameters at orthogonal direction respectively, and obtain the average data group of these four groups of multimode signal correction parameters, with the one group multimode signal correction parameter of this average data group as the place indoor location.

Further, can upgrade the information in the fingerprint base according to predetermined period, for example, every three months to the information updating in the fingerprint base once.Particularly, can obtain one group of multimode signal correction parameter of each indoor location in each building according to predetermined period, and generate a standard feature fingerprint respectively; According to the standard feature of up-to-date generation, the indoor location coordinate of building, building in the fingerprint base and the correspondence relationship information between the standard feature fingerprint are 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, this embodiment comprises based on the localization method of multimode signal:

201, locating platform receives terminal to be positioned and obtains the upstream message of sending behind the multimode signal in the position, and multimode signal wherein comprises WiFi signal and/or mobile communications network signal, and this upstream message comprises the multimode signal message that terminal to be positioned gets access to.

Multimode signal message wherein comprises the 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 was the WiFi signal, the parameter of corresponding multimode signal comprised the WiFi parameter, and this WiFi parameter comprises WiFi MAC value and WiFi signal strength values; When the type of multimode signal was the mobile communications network signal, the parameter of corresponding multimode signal comprised the base station parameter of mobile communications network.

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

Particularly; According to a specific embodiment of the present invention; Though do not comprise the WiFi parameter, or comprise the WiFi parameter but the intensity of this WiFi parameter is lower than in the preset building when not having the WiFi parameter of multimode signal message in due minimum threshold values or the building fingerprint base at the multimode signal message; Can think that the multimode signal message only comprises the base station parameter of mobile communications network; At this moment, terminal to be positioned is not in the building scope that fingerprint base covered.

203, locating platform is inquired about the standard feature fingerprint of maximum L WiFi parameters that comprise that performance in the upstream message is preferable from the building fingerprint base, with the indoor location coordinate of the corresponding building of this standard feature fingerprint indoor positioning result as terminal to be positioned.

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

Particularly; In the base station parameter and the correspondence relationship information between the base station location that locating platform can be stored from the base station information database; Obtain the corresponding base station location of base station parameter of mobile communications network in the multimode signal message; With the current location of this base station location, thereby obtain the positioning result at terminal to be positioned as terminal to be positioned.For example, the fast base station location algorithm of locating platform employing and order thereof specifically can be 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 location positioning result of historical accumulation; Infer according to the projection of reasonability road, user behavior inertia then and displacement dynamic prediction scheduling algorithm quasi real time step by step to the positioning result location that becomes more meticulous; Under preferential guarantee experience location positioning result's situation, make positioning result more accurate.

205; Locating platform mates multimode signal message in the upstream message and the standard feature fingerprint in the building fingerprint base; Obtain the indoor location coordinate of the corresponding building of the standard feature fingerprint of multimode signal message coupling, with the indoor location coordinate of this building indoor positioning result as terminal to be positioned.

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

Alternatively; Through 102 in embodiment illustrated in fig. 1; In perhaps embodiment illustrated in fig. 2 203; 204 or 205 obtain after the indoor positioning result at terminal to be positioned; Can also comprise: 206; Locating platform obtains from building attribute information storehouse as the corresponding position attribution information of the indoor positioning result's at terminal to be positioned indoor location coordinate; According to the locating result information that generates preset form as the indoor positioning result's at terminal to be positioned indoor location coordinate and corresponding position attribution information; For example, with literal; Picture; The locating result information that forms such as map appear.

Wherein, building attribute information storehouse can be set up in advance, and the attribute of each building can comprise that border, ground and vertex position coordinate, floor structure, the WiFi of building lay etc.Through setting up building attribute information storehouse, can set up the internal environment information bank and the intrinsic coordinates system of building, so that describe the position attribution of positioning result in detail.Each the indoor location coordinate position attribution information corresponding that comprises each building in the building attribute information storehouse with this indoor location; For example; Building takes up an area of each apex coordinate of peripheral polygon; Main gateway coordinate; Number of floor levels; The elevator number; Numbering of elevator and position; Public stair; The 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 preset coverage; Wherein, preset coverage such as room number; Public space etc.

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

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

302, locating platform from fingerprint base, obtain with inspected feature to flux matched standard feature fingerprint.

303, the correspondence relationship information between each indoor location coordinate of locating platform inquiry and the characteristic fingerprint, obtain with inspected feature to the corresponding indoor location coordinate of flux matched inspected feature vector as target chamber in position coordinates.

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

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

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

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

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

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

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

Otherwise; If the first target building and the second target building are not same buildings, stipulate with the first target building or the second target building as the base station parameter of WiFi parameter in the upstream message and mobile communications network corresponding target building in fingerprint base according to preset.

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

In addition, embodiment illustrated in fig. 3 302, specifically can realize through following mode:

Whether search inspected feature vector in the query fingerprints storehouse exists the standard feature fingerprint with the unique coupling of inspected feature vector in the preset error range of inquiry;

If the standard feature fingerprint of existence and the unique coupling of inspected feature vector is carried out the operation of the correspondence relationship information between each indoor location coordinate of inquiry and the characteristic fingerprint in preset error range;

Otherwise; If existence and inspected feature are to flux matched a plurality of standard feature fingerprints in preset error range; From a plurality of standard feature fingerprints, obtain the first standard feature fingerprint of floor number scope in the indoor location that comprises WiFi MAC value correspondence in the inspected feature vector; From the first standard feature fingerprint, obtain the second standard feature fingerprint that comprises room number in the corresponding indoor location of WiFi signal strength values in the inspected feature vector or public space name scope; In the inspected feature vector base station parameter of mobile communications network confirm indoor location towards; And according to this towards from the second standard feature fingerprint, selecting the 3rd standard feature fingerprint; As with inspected feature to flux matched standard feature fingerprint, the 3rd standard feature fingerprint wherein can be for one or more.

For example; As concrete an application; If existence and inspected feature are dwindled range of floors to flux matched a plurality of standard feature fingerprints according to WiFi MAC value in the preset error range, promptly the WiFi MAC value with above-mentioned inspected feature vector searches out corresponding floor number scope in fingerprint base; Dwindle room number or public space name scope according to the WiFi signal strength values; Promptly the WiFi signal strength values with the inspected feature vector searches out corresponding room scope in a last step standard feature fingerprint vector, also possibly be architecture enclosing border or gateway and public aisle; Further reduce the scope according to base station parameter, for example towards etc., promptly when a last step search gained result is still not unique, according to base station parameter calculate possible towards; In the time of after all parameter items of inspected feature vector have all mated, still can not uniquely confirming the indoor location at terminal to be positioned; These unascertainable plurality of positions vectors are called " possibly collect "; Calculate the inspected feature vector and the similarity between each position vector in " possibly collect "; Adopt " minimum vectorial spacing method " to obtain " possibly collect " vector of a maximum similarity; That is: obtain the standard feature vector minimum, thereby infer the indoor location coordinate at the terminal that to be positioned with inspected feature vector error scope.

Because its indoor location of living in need be known in terminal to be positioned, can be called the side of being positioned, initiate a side of Location Request, for example, portable terminal, equipment, business platform etc. are called location side.Further; After locating platform obtains the positioning result or locating result information at terminal to be positioned; This positioning result or locating result information can be sent to the location side that asks the location; For example; Business platform or terminal to be positioned, the third party terminal that business platform can further be located the positioning result or the locating result information request of being transmitted at this terminal to be positioned.During terminal request to be positioned location; Can periodically, the position send upstream message after obtaining the multimode signal to locating platform; And receive positioning result or the locating result information that locating platform returns, specifically can carry out information interaction between terminal to be positioned and the locating platform through heartbeat packet.Often set up independent business platform in the practical business; Business platform is done the request at response third party terminal; Initiatively ask for the indoor location of certain standby communication terminal through locating platform; Accordingly; Terminal to be positioned receives the instruction of locating platform, obtains the multimode signal in the position and is uploaded to locating platform, and locating platform obtains the indoor location coordinate at terminal to be positioned according to certain algorithm; And loopback is returned to the third party terminal of initiating the location by business platform to 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 for realizing above-mentioned each corresponding function based on locating platform among the localization method embodiment of multimode signal of the present invention.As shown in Figure 4, it comprises receiving element 401, first memory cell 402 and matching unit 403.

Wherein, Receiving element 401; Be used to receive terminal to be positioned and obtain the upstream message of sending behind the multimode signal in the position; Wherein, The multimode signal comprises WiFi signal and mobile communications network signal; Upstream message comprises the multimode signal message that terminal to be positioned gets access to; The multimode signal message comprises the 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 the WiFi signal; The parameter of corresponding multimode signal comprises the WiFi parameter; The WiFi parameter comprises WiFi access point geocoding WiFiMAC value and WiFi signal strength values; When the type of multimode signal was the mobile communications network signal, the parameter of corresponding multimode signal comprised 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.

First memory cell 402 is used to store the building fingerprint base, comprises the indoor location coordinate of building, building and the correspondence relationship information between the standard feature fingerprint in the fingerprint base.Wherein, The standard feature fingerprint is the vector of the unique composition of multimode signal correction parameter that collects at correspondence position; Multimode signal correction parameter is included in bigger L WiFi parameter, M Current Serving BTS parameter in mobile communications network N the adjacent base station parameter corresponding with each Current Serving BTS of place indoor location coordinate place's signal strength signal intensity; The WiFi parameter comprises WiFi SSID, WiFiMAC value and WiFi signal strength values, and L, M, N are respectively the preset integer greater than zero.

Matching unit 403; Upstream message multimode signal message that is used for receiving element 401 is received and the standard feature fingerprint in the fingerprint base mate; Obtain the indoor location coordinate of the corresponding building of the standard feature fingerprint of multimode signal message coupling, with the indoor location coordinate of this building indoor positioning result as terminal to be positioned.

Embodiment of the present invention, the positioning of the platform to advance by the respective positions within the building to a group of collected multimode signal correlation parameters, including the position coordinates of the room where the signal strength is greater the L WiFi parameters, the mobile communication the network parameters of the M current serving base station currently serving base station to each of the N neighboring base stations corresponding parameters, to form a vector, which is the standard characteristic fingerprint and the fingerprint library created in buildings, indoor location coordinates Standard Features correspondence between the fingerprint information to be received at the location of the positioning terminal to obtain multi-mode signal transmitted uplink message, the access terminal to be positioned multimode signal information and the standard fingerprint database building feature fingerprints matching, obtaining the multi-mode signal is a standard feature of fingerprint information matches the corresponding position coordinates of a building interior to the building indoor location coordinates as the terminal to be positioned indoor positioning result, since both parameters including the use of a mobile communication network WiFi The multimode base station parameters of signal parameters, including the positioning terminal positioning treated, thereby increasing the indoor positioning accuracy; And, can directly use the existing communications equipment and resources, no special cast construction, greatly reduces the interior Expertise positioning infrastructure and operational costs.

Fig. 5 is the structural representation of another embodiment of locating platform of the present invention.Compare with embodiment shown in Figure 4, in the locating platform of this embodiment, receiving element 401 also is used to receive each indoor location coordinate of each building that acquisition terminal reports and one group of multimode signal correction parameter of each indoor location.Wherein, Indoor location comprises that outer boundary position and the outer boundary of building are with interior interior location; The 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, the one group of multimode signal correction parameter that is used for being received by receiving element 401 respectively generates a standard feature fingerprint.

Set up unit 405; Each indoor location coordinate of each building that is used for receiving according to receiving element 401; And the standard feature fingerprint that generates of corresponding one group of multimode signal correction parameter of receiving according to receiving element of generation unit 404; In the fingerprint base of first memory cell, 402 storages, set up the indoor location coordinate of building, building and the correspondence relationship information between the 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 the 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 above-mentioned each embodiment of the present invention, the locating platform of this embodiment also comprises recognition unit 406 and positioning unit 407.

Wherein, recognition unit 406 is used for discerning the upstream message that receiving element 401 receives, and whether the multimode signal message comprises the base station parameter of WiFi parameter and mobile communications network simultaneously.

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

Positioning unit 407; Be used for recognition result according to recognition unit 406; When the multimode signal message only comprises the WiFi parameter; From the building fingerprint base of memory cell 401 storages; Inquiry comprises the standard feature fingerprint of maximum L the WiFi parameters that performance in the upstream message is preferable, with the indoor location coordinate of the building of this standard feature fingerprint correspondence indoor positioning result as terminal to be positioned; When the multimode signal message only comprises the base station parameter of mobile communications network, adopt the fast base station location algorithm, treat locating terminal according to the base station parameter of mobile communications network in the multimode signal message and position.

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

Wherein, second memory cell 408 is used to store building attribute information storehouse, and this attribute information storehouse comprises the corresponding position attribution information of each indoor location coordinate of each building.

Unit 409 is set; Be used for from the attribute information storehouse of second memory cell, 408 storages; Obtain matching unit 403 or positioning unit 407 that obtain, as the indoor positioning result's at the terminal to be positioned corresponding position attribution information of indoor location coordinate, according to the locating result information of presetting form as the indoor positioning result's at terminal to be positioned indoor location coordinate and corresponding position attribution information generation.

Further; Again referring to Fig. 6; Another specific embodiment as locating platform; Can also comprise transmitting element 410; The positioning result at the terminal to be positioned that is used for matching unit 403 or positioning unit 407 are obtained, or the locating result information that unit 409 generates is set, sends to the 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 for realizing above-mentioned each flow process based on the localization method embodiment of multimode signal of the present invention.As shown in Figure 7, it comprises terminal 1 to be positioned and locating platform 2.

Wherein, Terminal 1 to be positioned; Be used for obtaining the multimode signal and send upstream message to locating platform in the position; The multimode signal comprises no WiFi signal and mobile communications network signal; Upstream message comprises the multimode signal message that terminal to be positioned gets access to; The multimode signal message comprises the 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 the WiFi signal; The parameter of corresponding multimode signal comprises the WiFi parameter; The WiFi parameter comprises WiFiMAC value and WiFi signal strength values; When the type of multimode signal was the mobile communications network signal, the parameter of corresponding multimode signal comprised the base station parameter of mobile communications network.

Locating platform 2; Be used to receive the upstream message that send at terminal 1 to be positioned; Multimode signal message in the upstream message and the standard feature fingerprint in the building fingerprint base are mated; Obtain the indoor location coordinate of the corresponding building of the standard feature fingerprint of multimode signal message coupling, with the indoor location coordinate of this building indoor positioning result as terminal to be positioned.Wherein, Fingerprint base comprises building; The indoor location coordinate of building and the correspondence relationship information between the standard feature fingerprint; The standard feature fingerprint is the vector of the unique composition of multimode signal correction parameter that collects at correspondence position; Multimode signal correction parameter is included in L bigger WiFi parameter of place indoor location coordinate place's signal strength signal intensity; M in the mobile communications network N the adjacent base station parameter that the Current Serving BTS parameter is corresponding with each Current Serving BTS; The WiFi parameter comprises WiFi SSID; WiFiMAC value and WiFi signal strength values, L; M; N is respectively the preset integer greater than zero.

As a specific embodiment of the present invention; Fig. 7 is said specifically can to adopt the structure of the locating platform that above-mentioned each embodiment of the present invention provides to realize based on the locating platform in the navigation system of multimode signal; As an example, Fig. 7 only shows the instantiation that locating platform adopts structure embodiment illustrated in fig. 6.

The above embodiment of the present invention to provide a multi-mode signal based positioning system, in advance for each position within the building to the multi-mode signal acquisition parameters, including the position coordinates of the room where the signal strength is greater the L WiFi parameters, the mobile communication network currently serving base station of the M parameter with the current serving base station for each of the N neighboring base stations corresponding parameter by each group of multi-mode signals respectively to form a vector of parameters, characterized in that the standard fingerprint and the fingerprint library erection of the building, the building features indoor location coordinates the standard correspondence between the fingerprint information to be received at the location of the positioning terminal to obtain multi-mode signal transmitted uplink message, the access terminal to be positioned a multimode signal Information and library buildings fingerprint matching fingerprint standard features, access to the multi-mode signal standard feature of fingerprint information matches the corresponding position coordinates of the building interior to the building's indoor location coordinates to be positioned as a result of indoor positioning terminal , while using the WiFi parameters comprises a mobile communication network including a base station parameter to treat a multimode signal parameters for positioning the positioning terminal, thereby increasing the indoor positioning accuracy; And, can directly use the existing communications equipment and resources, No special investment and construction to significantly reduce indoor precise positioning infrastructure and operational costs.

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

In the navigation system of various embodiments of the present invention based on the multimode signal, specifically can initiate positioning flow by terminal 1 to be positioned, also can initiate positioning flow by the third party terminal.When initiating positioning flow by terminal 1 to be positioned; Terminal 1 to be positioned also is used for sending Location Request to locating platform 2; And after receiving the location response message that locating platform 2 returns; Send said upstream message to locating platform 2, in addition also can be regularly, initiatively to the said upstream message of locating platform 2 transmissions.Accordingly, locating platform 2 also is used to receive the Location Request at terminal to be positioned, and the positioning result at terminal 1 to be positioned is sent to terminal 1 to be positioned.

When initiating positioning flow by the third party terminal, as shown in Figure 8, navigation system can also comprise business platform and 4 third party terminals 5.Wherein, third party terminal 5 is used for treating the Location Request that locating terminal 1 positions to business platform 4 transmissions, comprises the user ID at terminal 1 to be positioned in this Location Request, 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; Be used for transmitting 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 terminal 5; Alternatively; Can also carry out service authentication, record positioning service operating position etc. to the third party user of request location, the positioning service interface of specializing is stashed, the access interface at end user terminal is provided.Accordingly, locating platform 2 also is used for the positioning result at terminal 1 to be positioned is sent to business platform 4.

Each embodiment all adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that same or analogous part cross-references gets final product between each embodiment.For device, system embodiment, because it is similar basically with method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.

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

The embodiment of the invention has improved the accuracy of indoor positioning; And; Adopt indoor laying alignment sensor realization indoor positioning to compare with prior art; Can directly utilize existing communication equipment and resource; Need not to invest to build specially, reduced the capital construction and the operation cost of indoor accurate location significantly; The localization method of the embodiment of the invention and system are in case arrive most cities common building thing with coverage extension; Then 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 the building indoor positioning service platform that a cover response speed is fast, accuracy rate is high, operation cost is cheap, can popularize; For operator's new form of service of developing lays the foundation, for the location requirement that satisfies user's various ways offers convenience.

Description of the invention provides for example with for the purpose of describing, and is not the disclosed form that exhaustively perhaps limit the invention to.A lot of modifications and variation 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 that have various modifications that the present invention's design is suitable for special-purpose.

Claims

1. the localization method based on the multimode signal is characterized in that, comprising:

2. method according to claim 1 is characterized in that, said 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;

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

Generate a said standard feature fingerprint by one group of said multimode signal correction parameter respectively;

In said fingerprint base, set up the indoor location coordinate of building, building and the correspondence relationship information between the standard feature fingerprint.

4. method according to claim 3 is characterized in that, one group of said multimode signal correction parameter obtaining each indoor location comprises:

To each indoor location, gather four groups of multimode signal correction parameters at orthogonal direction respectively;

Obtain the average data group of four groups of multimode signal correction parameters, with the one group said multimode signal correction parameter of this average data group as the place indoor location.

5. method according to claim 3 is characterized in that, also comprises:

Obtain one group of said multimode signal correction parameter of each indoor location in each building according to predetermined period, and generate a said standard feature fingerprint respectively;

According to the standard feature of up-to-date generation, the indoor location coordinate of building, building in the said fingerprint base and the correspondence relationship information between the standard feature fingerprint are upgraded.

6. method according to claim 1 is characterized in that, locating platform receives after the upstream message of after the position obtains the multimode signal, sending at terminal to be positioned, also comprises:

Said locating platform is discerned the base station parameter whether said multimode signal message comprises WiFi parameter and mobile communications network simultaneously;

If said multimode signal message comprises the base station parameter of WiFi parameter and mobile communications network simultaneously, carry out the operation that said locating platform mates the standard feature fingerprint in said multimode signal message and the building fingerprint base;

Otherwise; If said multimode signal message only comprises the WiFi parameter; Said locating platform is inquired about the standard feature fingerprint of maximum L WiFi parameters that comprise that performance in the said upstream message is preferable from the building fingerprint base, with the indoor location coordinate of the corresponding building of this standard feature fingerprint indoor positioning result as said terminal to be positioned; If said multimode signal message only comprises the base station parameter of mobile communications network, said locating platform adopts the fast base station location algorithm, according to the base station parameter of mobile communications network in the said multimode signal message said terminal to be positioned is positioned.

7. according to any described method of claim 1 to 6; It is characterized in that; Characteristic fingerprint in said multimode signal message and the building fingerprint base is mated; Obtain the indoor location coordinate of the corresponding said building of the characteristic fingerprint of said multimode signal message coupling, the indoor positioning result as said terminal to be positioned comprises with the indoor location coordinate of this building:

The base station parameter of confirming WiFi parameter and mobile communications network in the upstream message corresponding target building in fingerprint base; And by the base station parameter of maximum N corresponding adjacent base stations of each base station in the base station parameter of maximum L preferable WiFi parameters of performance in the said upstream message, a M base station, the M base station, the inspected feature that generates said terminal to be positioned is vectorial;

From said fingerprint base, obtain with said inspected feature to flux matched standard feature fingerprint;

Inquire about the correspondence relationship information between each indoor location coordinate and the characteristic fingerprint, obtain with said inspected feature to the corresponding indoor location coordinate of flux matched inspected feature vector as target chamber in position coordinates;

With position coordinates in the said target chamber of said target building as the indoor positioning result at said terminal to be positioned.

8. method according to claim 7 is characterized in that, confirms that the WiFi parameter comprises with base station parameter corresponding target building in fingerprint base of mobile communications network in the upstream message:

If inquire the first target building and the second target building, relatively whether the first target building and the second target building are same building; If the first target building and the second target building are same building, then with this same building as the base station parameter of WiFi parameter in the upstream message and mobile communications network corresponding target building in fingerprint base; Otherwise; If the first target building and the second target building are not same buildings, stipulate with the first target building or the second target building as the base station parameter of WiFi parameter in the upstream message and mobile communications network corresponding target building in fingerprint base according to preset.

9. method according to claim 8 is characterized in that, comprises with base station parameter corresponding target building in fingerprint base of mobile communications network as WiFi parameter in the upstream message with the first target building or the second target building according to preset regulation:

When the WiFi parameter in continuous a plurality of upstream messages all is lower than predetermined threshold value, with the second target building as the base station parameter of WiFi parameter in the upstream message and mobile communications network corresponding target building in fingerprint base; Otherwise, with the first target building as the base station parameter of WiFi parameter in the upstream message and mobile communications network corresponding target building in fingerprint base.

10. method according to claim 7 is characterized in that, from said fingerprint base, obtains with said inspected feature to comprise to flux matched standard feature fingerprint:

Inquire about the said inspected feature vector of search in the said fingerprint base, whether have standard feature fingerprint in the preset error range of inquiry with the unique coupling of said inspected feature vector;

If the standard feature fingerprint of existence and the unique coupling of said inspected feature vector is carried out the operation of the correspondence relationship information between each indoor location coordinate of said inquiry and the characteristic fingerprint in preset error range;

Otherwise; If existence and said inspected feature are to flux matched a plurality of standard feature fingerprints in preset error range; From said a plurality of standard feature fingerprints, obtain the first standard feature fingerprint of floor number scope in the indoor location that comprises WiFi MAC value correspondence in the said inspected feature vector; From the first standard feature fingerprint, obtain the second standard feature fingerprint that comprises room number in the corresponding indoor location of WiFi signal strength values in the said inspected feature vector or public space name scope; In the said inspected feature vector base station parameter of mobile communications network confirm indoor location towards; And according to this towards from the second standard feature fingerprint, selecting the 3rd standard feature fingerprint; As with said inspected feature to flux matched standard feature fingerprint, said the 3rd standard feature fingerprint is one or more.

11. according to any described method of claim 1 to 6, it is characterized in that, obtain also to comprise after the indoor positioning result at said terminal to be positioned:

Obtain the corresponding position attribution information of indoor location coordinate from building attribute information storehouse, preset the locating result information of form according to said indoor positioning result's as said terminal to be positioned indoor location coordinate and corresponding position attribution information generation as the indoor positioning result at said terminal to be positioned.

12. a locating platform is characterized in that, comprising:

13. locating platform according to claim 12 is characterized in that, said mobile communications network comprise GSM, cdma system, WCDMA system, with CDMA2000 in any one or multiple;

14. locating platform according to claim 13; It is characterized in that; Said receiving element also is used to receive each indoor location coordinate of each building that acquisition terminal reports and one group of said multimode signal correction parameter of each indoor location; Said indoor location comprises that outer boundary position and the outer boundary of said building are with interior interior location; Said outer boundary position comprise building name, floor number, orientation, public space title, towards, said interior location comprise building name, floor number, room number or public space title, with towards;

Said locating platform also comprises:

Generation unit is used for generating a said standard feature fingerprint by one group of said multimode signal correction parameter respectively;

Set up the unit; Be used for setting up the indoor location coordinate of building, building and the correspondence relationship information between the standard feature fingerprint at said 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 the said fingerprint base same building thing at the standard feature fingerprint at same indoor location coordinate place.

15. according to any described locating platform of claim 12 to 14, it is characterized in that, also comprise:

Recognition unit is used to discern the base station parameter whether said multimode signal message comprises WiFi parameter and mobile communications network simultaneously;

Matching unit specifically when said multimode signal message comprises the base station parameter of WiFi parameter and mobile communications network simultaneously, mates the standard feature fingerprint in said multimode signal message and the said fingerprint base;

Positioning unit; Be used for recognition result according to said recognition unit; When said multimode signal message only comprises the WiFi parameter; Inquiry comprises the standard feature fingerprint of maximum L the WiFi parameters that performance in the said upstream message is preferable from the building fingerprint base, with the indoor location coordinate of the building of this standard feature fingerprint correspondence indoor positioning result as said terminal to be positioned; When said multimode signal message only comprises the base station parameter of mobile communications network, adopt the fast base station location algorithm, according to the base station parameter of mobile communications network in the said multimode signal message said terminal to be positioned is positioned.

16. locating platform according to claim 15 is characterized in that, also comprises:

Second memory cell is used to store building attribute information storehouse, and said attribute information storehouse comprises the corresponding position attribution information of each indoor location coordinate of each building;

The unit is set; Be used for obtaining the corresponding position attribution information of indoor location coordinate, preset the locating result information of form according to said indoor positioning result's as said terminal to be positioned indoor location coordinate and corresponding position attribution information generation as the indoor positioning result at said terminal to be positioned from said attribute information storehouse.

17. locating platform according to claim 15 is characterized in that, also comprises:

Transmitting element is used for business platform or said terminal to be positioned that the positioning result request of sending at said terminal to be positioned is located.

18. the navigation system based on the multimode signal is characterized in that, comprising:

Locating platform; Be used to receive said upstream message; Standard feature fingerprint in said multimode signal message and the building fingerprint base is mated; Obtain the indoor location coordinate of the corresponding building of the standard feature fingerprint of said multimode signal message coupling; With the indoor location coordinate of this building indoor positioning result as said terminal to be positioned; Said fingerprint base comprises building; The indoor location coordinate of building and the correspondence relationship information between the standard feature fingerprint; Said standard feature fingerprint is the vector of the unique composition of multimode signal correction parameter that collects at correspondence position; Said multimode signal correction parameter is included in L bigger WiFi parameter of place indoor location coordinate place's signal strength signal intensity; M in the mobile communications network N the adjacent base station parameter that the Current Serving BTS parameter is corresponding with each Current Serving BTS; Said WiFi parameter comprises WiFi SSID; WiFi MAC value and WiFi signal strength values, L; M; N is respectively the preset integer greater than zero.

19. system according to claim 18 is characterized in that, said locating platform is specially any described locating platform of claim 12 to 17.

20. system according to claim 19 is characterized in that, also comprises:

Acquisition terminal; Be used for for each building; Gather each indoor location coordinate respectively and obtain one group of said multimode signal correction parameter of each indoor location, so that said locating platform is generated a said standard feature fingerprint and in said fingerprint base, set up the indoor location coordinate of building, building and the correspondence relationship information between the standard feature fingerprint by one group of said multimode signal correction parameter respectively.

21. system according to claim 19 is characterized in that, said locating platform also is used to receive the Location Request at said terminal to be positioned, and the positioning result at said terminal to be positioned is sent to said terminal to be positioned; Perhaps

Said system also comprises business platform and third party terminal;

Said third party terminal; Be used for sending the Location Request that said terminal to be positioned is positioned to business platform; Comprise the user ID at said terminal to be positioned in the said Location Request, and the positioning result that receives the said terminal to be positioned of said business platform transmission;

Said business platform is used for transmitting said Location Request to said locating platform, and the positioning result disease that receives the said terminal to be positioned of said locating platform transmission is transmitted to said third party terminal;

Said locating platform also is used for the positioning result at said terminal to be positioned is sent to said business platform.