CN105554702A - Cross network positioning system and method, positioning server and mobile terminal - Google Patents

Cross network positioning system and method, positioning server and mobile terminal Download PDF

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Publication number
CN105554702A
CN105554702A CN201510940916.XA CN201510940916A CN105554702A CN 105554702 A CN105554702 A CN 105554702A CN 201510940916 A CN201510940916 A CN 201510940916A CN 105554702 A CN105554702 A CN 105554702A
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China
Prior art keywords
mobile terminal
base station
server
location
locating information
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Granted
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CN201510940916.XA
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Chinese (zh)
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CN105554702B (en
Inventor
张海平
周意保
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201510940916.XA priority Critical patent/CN105554702B/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/05—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/10—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
    • G01S19/12—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals wherein the cooperating elements are telecommunication base stations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/04—Position of source determined by a plurality of spaced direction-finders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Abstract

Embodiments of the invention provide a cross network positioning system and method, a positioning server and a mobile terminal. The cross network positioning system comprises a first base station, a second base station, the mobile terminal and the positioning server, the first base station and the second base station belong to different telecom operators, wherein the first base station is used for sending a first downlink signal to the mobile terminal; the second base station is used for sending a second downlink signal to the mobile terminal; the mobile terminal is used for generating first positioning information according to the first downlink signal, generating second positioning information according to the second downlink signal and sending the first positioning information and the second positioning information to the positioning server; and the positioning server is used for calculating a first distance between the mobile terminal and the first base station according to the first positioning information, calculating a second distance between the mobile terminal and the second base station according to the second positioning information and determining the position of the mobile terminal according to the first distance and the second distance. By adopting the cross network positioning system provided by the embodiments of the invention, the positioning precision in indoor and outdoor environments can be improved.

Description

A kind of inter-network navigation system, method, location-server and mobile terminal
Technical field
The present invention relates to field of locating technology, be specifically related to a kind of inter-network navigation system, method, location-server and mobile terminal.
Background technology
At present, the location technology that the mobile terminal such as smart mobile phone, panel computer is conventional mainly comprise utilize global positioning system (English: globalpositioningsystem, abbreviation: GPS) locate and utilize the architecture of operator.Wherein, the precision of GPS location is higher, but essentially no method location under indoor environment, architecture is that the distance by measuring base station and mobile terminal determines mobile terminal locations, mobile terminal is not needed to possess GPS stationkeeping ability, but positioning precision depends on the distribution of base station and the size of coverage to a great extent, sometimes error can be very large.Therefore, the positioning precision how improved in indoor and outdoor surroundings becomes problem demanding prompt solution.
Summary of the invention
Embodiments provide a kind of inter-network navigation system, method, location-server and mobile terminal, the positioning precision in indoor and outdoor surroundings can be improved.
Embodiment of the present invention first aspect provides a kind of inter-network navigation system, and described system comprises the first base station, the second base station, mobile terminal and location-server, and described first base station and described second base station belong to different telecom operators, wherein:
Described first base station, for sending the first down link signal to described mobile terminal;
Described second base station, for sending the second down link signal to described mobile terminal;
Described mobile terminal, for generating the first locating information of described mobile terminal according to described first down link signal received, generate the second locating information of described mobile terminal according to described second down link signal received, and send described first locating information and described second locating information to described location-server;
Described location-server, for calculating the first distance between described mobile terminal and described first base station according to described first locating information received, calculate the second distance between described mobile terminal and described second base station according to described second locating information received, and second distance determines the position of described mobile terminal according to described first Distance geometry.
Optionally, described location-server second distance according to described first Distance geometry determines the position of described mobile terminal, comprising:
Described location-server with the position of described first base station for the center of circle, with described first distance for radius draws the first circumference, with the position of described second base station for the center of circle, with described second distance for radius draws the second circumference, and obtain the position of intersecting point of described first circumference and described second circumference;
Described location-server obtains the current residing subdistrict position of described mobile terminal, and from described position of intersecting point, determine the position of described mobile terminal according to described subdistrict position.
Optionally, described location-server second distance according to described first Distance geometry determines the position of described mobile terminal, comprising:
Described location-server with the position of described first base station for the center of circle, with described first distance for radius draws the first circumference, with the position of described second base station for the center of circle, with described second distance for radius draws the second circumference, determine the position of intersecting point of described first circumference and described second circumference, and described position of intersecting point is set to the position of described mobile terminal;
Wherein, described location-server, also for sending described position of intersecting point to described mobile terminal;
Described mobile terminal, also shows for mark in the display interface of navigation application the described position of intersecting point received;
Described mobile terminal, also for obtaining the selection operation that user inputs for described position of intersecting point, and operates described selection the position that the target position of intersecting point chosen is defined as described mobile terminal.
Optionally, described mobile terminal generates the first locating information of described mobile terminal according to described first down link signal received, and comprising:
Described acquisition for mobile terminal sends the quantity of code element that in the time period that described first down link signal and described mobile terminal receive between described first down link signal, described mobile terminal receives and sampling in described first base station, and generates first locating information comprising the quantity of described code element and sampling of described mobile terminal.
Optionally, described first down link signal is pilot signal, and described mobile terminal generates the first locating information of described mobile terminal according to described first down link signal received, and comprising:
Described acquisition for mobile terminal sends the quantity of the pseudo noise PN phase place that described mobile terminal receives in the time period that described pilot signal and described mobile terminal receive between described pilot signal in described first base station, and generates first locating information comprising the quantity of described PN phase place of described mobile terminal.
Optionally, described mobile terminal, also for obtaining the objective of user's input, and obtains request to the navigation way that described location-server sends for described objective;
Described location-server, also obtains request and generates navigation way between the position of described mobile terminal and the position of described objective for responding described navigation way according to principle of optimality, and send described navigation way to described mobile terminal;
Described mobile terminal, also for receiving described navigation way, and shows described navigation way in the display interface of navigation application;
Wherein, described principle of optimality comprises one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle.
Embodiment of the present invention second aspect provides a kind of inter-network localization method, described method is applied in inter-network navigation system, described inter-network navigation system comprises the first base station, the second base station, mobile terminal and location-server, described first base station and described second base station belong to different telecom operators, and described method comprises:
Described location-server receives the first locating information and second locating information of the transmission of described mobile terminal, calculate the first distance between described mobile terminal and described first base station according to described first locating information, calculate the second distance between described mobile terminal and described second base station according to described second locating information;
Described location-server second distance according to described first Distance geometry determines the position of described mobile terminal;
Wherein, described first locating information is generated according to the first down link signal from described first base station by described mobile terminal, and described second locating information is generated according to the second down link signal from described second base station by described mobile terminal.
Optionally, described location-server second distance according to described first Distance geometry determines the position of described mobile terminal, comprising:
Described location-server with the position of described first base station for the center of circle, with described first distance for radius draws the first circumference, with the position of described second base station for the center of circle, with described second distance for radius draws the second circumference, and obtain the position of intersecting point of described first circumference and described second circumference;
Described location-server obtains the current residing subdistrict position of described mobile terminal, and from described position of intersecting point, determine the position of described mobile terminal according to described subdistrict position.
Optionally, described location-server second distance according to described first Distance geometry determines the position of described mobile terminal, comprising:
Described location-server with the position of described first base station for the center of circle, with described first distance for radius draws the first circumference, with the position of described second base station for the center of circle, with described second distance for radius draws the second circumference, determine the position of intersecting point of described first circumference and described second circumference, and described position of intersecting point is set to the position of described mobile terminal;
Wherein, described method also comprises:
Described location-server sends the location confirmation instruction carrying described position of intersecting point to described mobile terminal, described location confirmation instruction is used to indicate described mobile terminal and the described position of intersecting point received is marked display in the display interface of navigation application, and user is operated for the selection that described position of intersecting point inputs the position that the target position of intersecting point chosen is defined as described mobile terminal.
Optionally, described method also comprises:
Described location-server receives the acquisition of the navigation way for the described objective request that described mobile terminal sends after obtaining the objective of user's input;
Described location-server responds described navigation way and obtains request and generate navigation way between the position of described mobile terminal and the position of described objective according to principle of optimality, and the navigation way idsplay order carrying described navigation way is sent to described mobile terminal, described navigation way idsplay order is used to indicate described mobile terminal in the display interface of navigation application, shows described navigation way from described location-server;
Wherein, described principle of optimality comprises one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle.
The embodiment of the present invention third aspect provides a kind of location-server, described location-server is applied in inter-network navigation system, described inter-network navigation system comprises the first base station, the second base station, mobile terminal and described location-server, described first base station and described second base station belong to different telecom operators, and described location-server comprises:
Receiver module, for receiving the first locating information and second locating information of the transmission of described mobile terminal;
Computing module, for calculating the first distance between described mobile terminal and described first base station according to described first locating information, calculates the second distance between described mobile terminal and described second base station according to described second locating information;
Determination module, determines the position of described mobile terminal for second distance according to described first Distance geometry;
Wherein, described first locating information is generated according to the first down link signal from described first base station by described mobile terminal, and described second locating information is generated according to the second down link signal from described second base station by described mobile terminal.
Optionally, described determination module comprises:
First acquiring unit, for with the position of described first base station for the center of circle, with described first distance for radius draws the first circumference, with the position of described second base station for the center of circle, with described second distance for radius draws the second circumference, and obtain the position of intersecting point of described first circumference and described second circumference;
Described first acquiring unit, also for obtaining the current residing subdistrict position of described mobile terminal;
Determining unit, for determining the position of described mobile terminal from described position of intersecting point according to described subdistrict position.
Optionally, described determination module comprises:
Second acquisition unit, for with the position of described first base station for the center of circle, with described first distance for radius draws the first circumference, with the position of described second base station for the center of circle, with described second distance for radius draws the second circumference, obtain the position of intersecting point of described first circumference and described second circumference;
Setting unit, for being set to the position of described mobile terminal by described position of intersecting point;
Wherein, described location-server also comprises:
First sending module, for sending the location confirmation instruction carrying described position of intersecting point to described mobile terminal, described location confirmation instruction is used to indicate described mobile terminal and the described position of intersecting point received is marked display in the display interface of navigation application, and user is operated for the selection that described position of intersecting point inputs the position that the target position of intersecting point chosen is defined as described mobile terminal.
Optionally, described receiver module, the navigation way for described objective also sent after obtaining the objective of user's input for receiving described mobile terminal obtains request;
Wherein, described location-server also comprises:
Generation module, obtains request and generates navigation way between the position of described mobile terminal and the position of described objective for responding described navigation way according to principle of optimality;
Second sending module, for sending the navigation way idsplay order carrying described navigation way to described mobile terminal, described navigation way idsplay order is used to indicate described mobile terminal in the display interface of navigation application, shows described navigation way from described location-server;
Wherein, described principle of optimality comprises one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle.
Embodiment of the present invention fourth aspect provides a kind of inter-network localization method, described method is applied in inter-network navigation system, described inter-network navigation system comprises the first base station, the second base station, mobile terminal and location-server, described first base station and described second base station belong to different telecom operators, and described method comprises:
Described mobile terminal receives the first down link signal that described first base station sends, and receives the second down link signal of described second base station transmission;
Described mobile terminal generates the first locating information of described mobile terminal according to described first down link signal, generate the second locating information of described mobile terminal according to described second down link signal, and send described first locating information and described second locating information to described location-server;
Described mobile terminal receives the position of the described mobile terminal that described location-server sends, the position of described mobile terminal is calculating the first distance between described mobile terminal and described first base station by described location-server according to described first locating information, after calculating the second distance between described mobile terminal and described second base station according to described second locating information, according to described first Distance geometry, second distance is determined.
Optionally, described mobile terminal generates the first locating information of described mobile terminal according to described first down link signal, comprising:
Described acquisition for mobile terminal sends the quantity of code element that in the time period that described first down link signal and described mobile terminal receive between described first down link signal, described mobile terminal receives and sampling in described first base station, and generates first locating information comprising the quantity of described code element and sampling of described mobile terminal.
Optionally, described first down link signal is pilot signal, and described mobile terminal generates the first locating information of described mobile terminal according to described first down link signal, comprising:
Described acquisition for mobile terminal sends the quantity of the PN phase place that described mobile terminal receives in the time period that described pilot signal and described mobile terminal receive between described pilot signal in described first base station, and generates first locating information comprising the quantity of described PN phase place of described mobile terminal.
Optionally, described method also comprises:
The objective of described acquisition for mobile terminal user input, and obtain request to the navigation way that described location-server sends for described objective, described navigation way obtains request and is used to indicate described location-server and generates navigation way between the position of described mobile terminal and the position of described objective according to principle of optimality, and send described navigation way to described mobile terminal, wherein, described principle of optimality comprises one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle;
Described mobile terminal receives described navigation way, and shows described navigation way in the display interface of navigation application.
The embodiment of the present invention the 5th aspect provides a kind of mobile terminal, described mobile terminal is applied in inter-network navigation system, described inter-network navigation system comprises the first base station, the second base station, described mobile terminal and location-server, described first base station and described second base station belong to different telecom operators, and described mobile terminal comprises:
Receiver module, for receiving the first down link signal that described first base station sends, and receives the second down link signal of described second base station transmission;
Generation module, for generating the first locating information of described mobile terminal according to described first down link signal, generates the second locating information of described mobile terminal according to described second down link signal;
Sending module, for sending described first locating information and described second locating information to described location-server;
Described receiver module, also for receiving the position of the described mobile terminal that described location-server sends, the position of described mobile terminal is calculating the first distance between described mobile terminal and described first base station by described location-server according to described first locating information, after calculating the second distance between described mobile terminal and described second base station according to described second locating information, according to described first Distance geometry, second distance is determined.
Optionally, described generation module comprises:
First acquiring unit, for obtaining the quantity sending code element that in time period that described first down link signal and described mobile terminal receive between described first down link signal, described mobile terminal receives and sampling in described first base station;
First generation unit, for generating first locating information comprising the quantity of described code element and sampling of described mobile terminal.
Optionally, described first down link signal is pilot signal, and described generation module comprises:
Second acquisition unit, for obtaining the quantity sending the PN phase place that described mobile terminal receives in time period that described pilot signal and described mobile terminal receive between described pilot signal in described first base station;
Second generation unit, for generating first locating information comprising the quantity of described PN phase place of described mobile terminal.
Optionally, described mobile terminal also comprises:
Acquisition module, for obtaining the objective of user's input;
Wherein, described sending module, also for described location-server, the navigation way sent for described objective obtains request, described navigation way obtains request and is used to indicate described location-server and generates navigation way between the position of described mobile terminal and the position of described objective according to principle of optimality, and send described navigation way to described mobile terminal, wherein, described principle of optimality comprises one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle;
Described receiver module, also for receiving described navigation way;
Wherein, described mobile terminal also comprises:
Display module, for showing described navigation way in the display interface of navigation application.
In the embodiment of the present invention, mobile terminal generates the first locating information of this mobile terminal according to the first down link signal from the first base station, generate the second locating information of this mobile terminal according to the second down link signal from the second base station, and send this first locating information and this second locating information to location-server; This location-server calculates the first distance between this mobile terminal and this first base station according to this first locating information, and calculate the second distance between this mobile terminal and this second base station according to this second locating information, and then obtain the position of this mobile terminal according to this this second distance of the first Distance geometry, thus the positioning precision in indoor and outdoor surroundings can be improved.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of inter-network navigation system that the embodiment of the present invention provides;
Fig. 2 is a kind of positioning principle schematic diagram that the embodiment of the present invention provides;
Fig. 3 is the first embodiment schematic flow sheet of a kind of inter-network localization method that the embodiment of the present invention provides;
Fig. 4 is the second embodiment schematic flow sheet of a kind of inter-network localization method that the embodiment of the present invention provides;
Fig. 5 is the first example structure schematic diagram of a kind of location-server that the embodiment of the present invention provides;
Fig. 6 is the second example structure schematic diagram of a kind of location-server that the embodiment of the present invention provides;
Fig. 7 is the 3rd embodiment schematic flow sheet of a kind of inter-network localization method that the embodiment of the present invention provides;
Fig. 8 is the first example structure schematic diagram of a kind of mobile terminal that the embodiment of the present invention provides;
Fig. 9 is the second example structure schematic diagram of a kind of mobile terminal that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Mobile terminal described in the embodiment of the present invention can comprise smart mobile phone (as Android phone, IOS mobile phone, WindowsPhone mobile phone etc.), panel computer, palmtop PC, notebook computer, mobile internet device (English: mobileInternetdevices, MID) or Wearable etc. abbreviation:, above-mentioned mobile terminal is only citing, and non exhaustive, including but not limited to above-mentioned mobile terminal.
Referring to Fig. 1, is the structural representation of a kind of inter-network navigation system that the embodiment of the present invention provides.Inter-network navigation system described in the present embodiment, comprise the first base station, the second base station, mobile terminal and location-server, wherein, this first base station and this second base station can provide mobile communication business and/or mobile Internet business for this mobile terminal, this first base station and this second base station belong to different telecom operators, namely the mobile terminal in the present embodiment can be double-card dual-standby type, supports the mobile communications network of two kinds or two or more telecom operators.
This mobile terminal sends Location Request respectively to this first base station and this second base station, after receiving this Location Request, this first base station and this second base station send down link signal respectively to this mobile terminal, the down link signal that this first base station sends can be designated as the first down link signal, the down link signal that this second base station sends is designated as the second down link signal.
This mobile terminal generates the first locating information of this mobile terminal according to this first down link signal, and the second locating information of this mobile terminal is generated according to this second down link signal, for ease of distinguishing base station corresponding to locating information, this mobile terminal can comprise the identification information of respective base station in locating information, wherein, this the first locating information comprises the identification information of this first base station, and this second locating information comprises the identification information of this second base station.The identification information of this first base station can be carried in this first down link signal, also can be this mobile terminal sends information acquisition request from the identification information for obtaining this first base station to this first base station, this this information acquisition request of the first base station in response sends the identification information of this first base station to this mobile terminal, identification information for this second base station is also like this, repeats no more.
This mobile terminal sends this first locating information and this second locating information to this location-server, this location-server can calculate the first distance between this mobile terminal and this first base station according to this first locating information, calculate the second distance between this mobile terminal and this second base station according to this second locating information, and determine the position of this mobile terminal according to this this second distance of the first Distance geometry.
Wherein, this first down link signal and this second down link signal can be the down link signals for mobile interchange Network Communication simultaneously, also can be the pilot signal for mobile communication simultaneously, the down link signal that can also to be one be for mobile interchange Network Communication, another is the pilot signal for mobile communication, and the embodiment of the present invention does not limit.
Concrete, this first down link signal and this second down link signal can be the down link signals for mobile interchange Network Communication simultaneously, this mobile terminal determines that this first base station sends this first down link signal and this mobile terminal and receives time period between this first down link signal, obtain the code element of the down link signal that this mobile terminal receives and the quantity of sampling within this time period, and then generate the first locating information comprising the quantity of this code element and sampling, same, this mobile terminal generates the second locating information comprising the quantity of respective symbol and sampling.
After this mobile terminal sends this first locating information and this second locating information to this location-server, this location-server can utilize formula: R=(N symbol* t 1+ N sample* t 2) * c, calculate the first distance R between this mobile terminal and this first base station according to this first locating information 1, calculate the second distance R between this mobile terminal and this second base station according to this second locating information 2, wherein, N symbolfor the quantity of the code element of down link signal, N samplefor the quantity of the sampling of down link signal, t 1be the time of a code element, t 2be the time of a sampling, c is the light velocity, general desirable c=3*10 8m/s.
In the execution mode that some are feasible, this first down link signal and this second down link signal can be the pilot signals for mobile communication simultaneously, this mobile terminal determines that this first base station sends this pilot signal and this mobile terminal and receives time period between this pilot signal, the pseudo noise obtaining the pilot signal that this mobile terminal receives within this time period is (English: pseudorandomnoise, abbreviation: the PN) quantity of phase place, and then generate the first locating information comprising the quantity of this PN phase place, same, this mobile terminal generates the second locating information comprising the quantity of corresponding PN phase place.
After this mobile terminal sends this first locating information and this second locating information to this location-server, the quantity of the PN phase place that this location-server comprises according to this first locating information calculates the first distance R between this mobile terminal and this first base station 1, the quantity of the PN phase place comprised according to this second locating information calculates the second distance R between this mobile terminal and this second base station 2.
In the execution mode that some are feasible, this first down link signal and this second down link signal down link signal that can be for mobile interchange Network Communication, another is the pilot signal for mobile communication, suppose that this first down link signal is the down link signal for mobile interchange Network Communication, this second down link signal is the pilot signal for mobile communication, then this acquisition for mobile terminal sends in this first base station the code element of down link signal and the quantity of sampling that in time period that this first down link signal and this mobile terminal receive between this first down link signal, this mobile terminal receives, generate the first locating information comprising the quantity of this code element and sampling, and obtain the quantity sending the PN phase place of the pilot signal that this mobile terminal receives in time period that this pilot signal and this mobile terminal receive between this pilot signal in this first base station, generate the second locating information comprising the quantity of this PN phase place.
After this mobile terminal sends this first locating information and this second locating information to this location-server, this location-server can utilize formula: R=(N symbol* t 1+ N sample* t 2) * c, calculate the first distance R between this mobile terminal and this first base station according to this first locating information 1, and the quantity of the PN phase place comprised according to this second locating information calculates the second distance R between this mobile terminal and this second base station 2.
Further, as shown in Figure 2, be a kind of positioning principle schematic diagram that the embodiment of the present invention provides, this location-server with the position of this first base station for the center of circle, with R 1for radius draws the first circumference, with the position of this second base station for the center of circle, with R 2for radius draws the second circumference, and obtain the position of intersecting point of this first circumference and this second circumference, if this position of intersecting point only has one, then this location-server can determine that this position of intersecting point is the position of this mobile terminal, if this position of intersecting point has two, then this location-server first can obtain the current residing subdistrict position of this mobile terminal by telecom operators' server corresponding to this first base station and/or this second base station, and judge the target position of intersecting point falling into this subdistrict position in this position of intersecting point, and then this location-server can using the position of this target position of intersecting point as this mobile terminal.
In the execution mode that some are feasible, this location-server is after the position of intersecting point getting this first circumference and this second circumference, this position of intersecting point can be sent to this mobile terminal, this mobile terminal can mark this position of intersecting point of display in the display interface of navigation application (such as map software etc.), contrasted according to this position of intersecting point marking display in the display interface of current residing position and this navigation application by user, and select target position of intersecting point from this position of intersecting point, thus this target position of intersecting point can be defined as the position of this mobile terminal by this mobile terminal.
Wherein, this mobile terminal can obtain the position of this first base station and the position of this second base station respectively from this first base station and this second base station, and in this first locating information, carry the position of this first base station, the position of this second base station is carried in this second locating information, or, this location-server obtains the position of this first base station and the position of this second base station from this first base station and this each self-corresponding telecom operators in the second base station server, the concrete mode embodiment of the present invention this location-server being obtained to the position of this first base station and the position of this second base station does not limit.
It should be noted that, inter-network navigation system described in the present embodiment can also comprise the base station of more than three or three, such as this inter-network navigation system can also comprise the 3rd base station and the 4th base station, 3rd base station and this first base station belong to same telecom operators, 4th base station and this second base station belong to same telecom operators, this location-server can obtain the 3rd distance of this mobile terminal and the 3rd base station further, and the 4th distance of this mobile terminal and the 4th base station, the 3rd circumference and the 4th circumference is obtained accordingly according to the 3rd Distance geometry the 4th distance, obtain this first circumference, this second circumference, 3rd circumference and the 4th circumference multiple position of intersecting point each other, and then this location-server determines the position of this mobile terminal according to the current residing subdistrict position of this mobile terminal from the plurality of position of intersecting point, or send the plurality of position of intersecting point to this mobile terminal, from the plurality of position of intersecting point, selected the position of this mobile terminal according to current residing position by user, thus this location-server and this mobile terminal utilize the base station of more than three or three to position this mobile terminal, further increase positioning precision.
In the execution mode that some are feasible, after this location-server determines the position of this mobile terminal, this mobile terminal can obtain the objective of user's input, this objective can be one or more, it can be indoor place, also can be outdoor site, and obtain request to the navigation way that this location-server sends for this objective, this location-server responds this navigation way and obtains request and generate navigation way between the position of this mobile terminal and the position of this objective according to principle of optimality, and send this navigation way to this mobile terminal.This mobile terminal receives this navigation way, and shows this navigation way in the display interface of navigation application.
Wherein, this principle of optimality specifically can comprise one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle.
In the embodiment of the present invention, mobile terminal generates the first locating information of this mobile terminal according to the first down link signal from the first base station, generate the second locating information of this mobile terminal according to the second down link signal from the second base station, and send this first locating information and this second locating information to location-server, this location-server calculates the first distance between this mobile terminal and this first base station according to this first locating information, and calculate the second distance between this mobile terminal and this second base station according to this second locating information, and then the position of this mobile terminal is obtained according to this this second distance of the first Distance geometry, thus realize mobile terminal and location-server utilizes multiple base stations of different telecom operators to carry out alignment by union, the positioning precision in indoor and outdoor surroundings can be improved, by positioning complexity and the load that effectively can reduce mobile terminal in conjunction with location-server.
Referring to Fig. 3, is the first embodiment schematic flow sheet of a kind of inter-network localization method that the embodiment of the present invention provides.Inter-network localization method described in the present embodiment, is applied in inter-network navigation system, and this inter-network navigation system comprises the first base station, the second base station, mobile terminal and location-server, and the method comprises the following steps:
The first locating information that S301, location-server mobile terminal receive send and the second locating information, calculate the first distance between this mobile terminal and this first base station according to this first locating information, calculate the second distance between this mobile terminal and this second base station according to this second locating information.
Wherein, this first locating information is generated according to the first down link signal from this first base station by this mobile terminal, this second locating information is generated according to the second down link signal from this second base station by this mobile terminal, this first down link signal and this second down link signal can be the down link signals for mobile interchange Network Communication simultaneously, also can be the pilot signal for mobile communication simultaneously, the down link signal that can also to be one be for mobile interchange Network Communication, another is the pilot signal for mobile communication, the embodiment of the present invention does not limit.
Wherein, this first base station and this second base station can provide mobile communication business and/or mobile Internet business for this mobile terminal, this first base station and this second base station belong to different telecom operators, namely the mobile terminal in the present embodiment can be double-card dual-standby type, supports the mobile communications network of two kinds or two or more telecom operators.
Concrete, this mobile terminal generates the first locating information of this mobile terminal according to this first down link signal, and the second locating information of this mobile terminal is generated according to this second down link signal, for ease of distinguishing base station corresponding to locating information, this mobile terminal can comprise the identification information of respective base station in locating information, wherein, this first locating information comprises the identification information of this first base station, and this second locating information comprises the identification information of this second base station.The identification information of this first base station can be carried in this first down link signal, also can be this mobile terminal sends information acquisition request from the identification information for obtaining this first base station to this first base station, this this information acquisition request of the first base station in response sends the identification information of this first base station to this mobile terminal, identification information for this second base station is also like this, repeats no more.
Further, this mobile terminal can comprise the code element of down link signal and the quantity of sampling in this first locating information and this second locating information, or comprises the quantity of PN phase place of pilot signal, and this location-server utilizes formula: R=(N symbol* t 1+ N sample* t 2) * c, the code element comprised according to this first locating information and the quantity of sampling, calculate the first distance R between this mobile terminal and this first base station 1, or the quantity of the PN phase place that this location-server comprises according to this first locating information calculates the first distance R between this mobile terminal and this first base station 1, according to this second locating information, second distance R between this mobile terminal and this second base station is calculated for this location-server 2concrete mode be also like this, repeat no more.
Wherein, N symbolfor the quantity of the code element of down link signal, N samplefor the quantity of the sampling of down link signal, t 1be the time of a code element, t 2be the time of a sampling, c is the light velocity.
S302, this location-server determine the position of this mobile terminal according to this this second distance of the first Distance geometry.
Concrete, this location-server can obtain the first angle θ of the current present position of this mobile terminal and this first base station 1, with the second angle θ of this second base station 2, thus utilize geometrical relationship according to R 1, R 2, θ 1, θ 2, the position of the first base station and the position of the second base station can calculate the position of this mobile terminal, wherein, can be carried in corresponding down link signal to the angle of base station.This mobile terminal can obtain the position of this first base station and the position of this second base station respectively from this first base station and the second base station, and in this first locating information, carry the position of this first base station, the position of this second base station is carried in this second locating information, or, this location-server obtains the position of this first base station and the position of this second base station from this first base station and this each self-corresponding telecom operators in the second base station server, the concrete mode embodiment of the present invention this location-server being obtained to the position of this first base station and the position of this second base station does not limit.
In the embodiment of the present invention, location-server calculates the first distance between this mobile terminal and the first base station according to the first locating information from mobile terminal, the second distance between this mobile terminal and the second base station is calculated according to the second locating information from this mobile terminal, and then utilize this this second distance of the first Distance geometry to determine the position of this mobile terminal, location-server can utilize multiple base stations of different telecom operators to carry out alignment by union, thus improves the positioning precision in indoor and outdoor surroundings.
Referring to Fig. 4, is the second embodiment schematic flow sheet of a kind of inter-network localization method that the embodiment of the present invention provides.Inter-network localization method described in the present embodiment, is applied in inter-network navigation system, and this inter-network navigation system comprises the first base station, the second base station, mobile terminal and location-server, and the method comprises the following steps:
The first locating information that S401, location-server mobile terminal receive send and the second locating information, calculate the first distance between this mobile terminal and the first base station according to this first locating information, calculate the second distance between this mobile terminal and the second base station according to this second locating information.
Wherein, this first locating information is generated according to the first down link signal from this first base station by this mobile terminal, this second locating information is generated according to the second down link signal from this second base station by this mobile terminal, this first down link signal and this second down link signal can be the down link signals for mobile interchange Network Communication simultaneously, also can be the pilot signal for mobile communication simultaneously, the down link signal that can also to be one be for mobile interchange Network Communication, another is the pilot signal for mobile communication, the embodiment of the present invention does not limit.
Wherein, this first base station and this second base station can provide mobile communication business and/or mobile Internet business for this mobile terminal, this first base station and this second base station belong to different telecom operators, namely the mobile terminal in the present embodiment can be double-card dual-standby type, supports the mobile communications network of two kinds or two or more telecom operators.
Concrete, this mobile terminal can comprise the code element of down link signal and the quantity of sampling in this first locating information and this second locating information, or comprises the quantity of PN phase place of pilot signal, and this location-server utilizes formula: R=(N symbol* t 1+ N sample* t 2) * c, the code element comprised according to this first locating information and the quantity of sampling, calculate the first distance R between this mobile terminal and this first base station 1, or the quantity of the PN phase place that this location-server comprises according to this first locating information calculates the first distance R between this mobile terminal and this first base station 1, according to this second locating information, second distance R between this mobile terminal and this second base station is calculated for this location-server 2concrete mode be also like this, repeat no more.
Wherein, N symbolfor the quantity of the code element of down link signal, N samplefor the quantity of the sampling of down link signal, t 1be the time of a code element, t 2be the time of a sampling, c is the light velocity.
S402, this location-server with the position of this first base station for the center of circle, with this first distance for radius draws the first circumference, with the position of this second base station for the center of circle, with this second distance for radius draws the second circumference, and obtain the position of intersecting point of this first circumference and this second circumference.
S403, this location-server obtain the current residing subdistrict position of this mobile terminal, and from this position of intersecting point, determine the position of this mobile terminal according to this subdistrict position.
Concrete, as shown in Figure 2, be a kind of positioning principle schematic diagram that the embodiment of the present invention provides, this location-server can with the position of this first base station for the center of circle, with R 1for radius draws the first circumference, with the position of this second base station for the center of circle, with R 2for radius draws the second circumference, and obtain the position of intersecting point of this first circumference and this second circumference, if this position of intersecting point only has one, then this location-server can determine that this position of intersecting point is the position of this mobile terminal, if this position of intersecting point has two, then this location-server first can obtain the current residing subdistrict position of this mobile terminal by telecom operators' server corresponding to this first base station and/or this second base station, and judge the target position of intersecting point falling into this subdistrict position in this position of intersecting point, and then this location-server can using the position of this target position of intersecting point as this mobile terminal.
In the execution mode that some are feasible, this location-server is after the position of intersecting point getting this first circumference and this second circumference, this position of intersecting point can be sent to this mobile terminal, this mobile terminal can mark this position of intersecting point of display in the display interface of navigation application (such as map software etc.), contrasted according to this position of intersecting point marking display in the display interface of current residing position and this navigation application by user, and select target position of intersecting point from this position of intersecting point, thus this target position of intersecting point can be defined as the position of this mobile terminal by this mobile terminal.
Wherein, this mobile terminal can obtain the position of this first base station and the position of this second base station respectively from this first base station and the second base station, and in this first locating information, carry the position of this first base station, the position of this second base station is carried in this second locating information, or, this location-server obtains the position of this first base station and the position of this second base station from this first base station and this each self-corresponding telecom operators in the second base station server, the concrete mode embodiment of the present invention this location-server being obtained to the position of this first base station and the position of this second base station does not limit.
It should be noted that, inter-network navigation system described in the present embodiment can also comprise the base station of more than three or three, such as this inter-network navigation system can also comprise the 3rd base station and the 4th base station, 3rd base station and this first base station belong to same telecom operators, 4th base station and this second base station belong to same telecom operators, this location-server can obtain the 3rd distance of this mobile terminal and the 3rd base station further, and the 4th distance of this mobile terminal and the 4th base station, the 3rd circumference and the 4th circumference is obtained accordingly according to the 3rd Distance geometry the 4th distance, obtain this first circumference, this second circumference, 3rd circumference and the 4th circumference multiple position of intersecting point each other, and then this location-server determines the position of this mobile terminal according to the current residing subdistrict position of this mobile terminal from the plurality of position of intersecting point, or send the plurality of position of intersecting point to this mobile terminal, from the plurality of position of intersecting point, selected the position of this mobile terminal according to current residing position by user, thus this location-server utilizes the base station of more than three or three to position this mobile terminal, further increase positioning precision.
S404, this location-server receive the acquisition of the navigation way for this objective request that this mobile terminal sends after obtaining the objective of user's input.
Wherein, this objective can be one or more, can be indoor place, also can be outdoor site.
S405, this location-server respond this navigation way and obtain request and generate navigation way between the position of this mobile terminal and the position of this objective according to principle of optimality, and send to this mobile terminal and carry the navigation way idsplay order of this navigation way, this navigation way idsplay order is used to indicate this mobile terminal in the display interface of navigation application, shows this navigation way from this location-server.
Wherein, this principle of optimality specifically can comprise one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle.
In the embodiment of the present invention, location-server calculates the first distance between this mobile terminal and the first base station according to the first locating information from mobile terminal, the second distance between this mobile terminal and the second base station is calculated according to the second locating information from this mobile terminal, and then this location-server obtains with the position of this first base station as the center of circle, the first circumference being radius with this first distance with the position of this second base station for the center of circle, position of intersecting point between the second circumference being radius with this second distance, and obtain the current residing subdistrict position of this mobile terminal, thus from this position of intersecting point, the position of this mobile terminal is determined according to this subdistrict position, location-server can utilize multiple base stations of different telecom operators to carry out alignment by union, thus the positioning precision in raising indoor and outdoor surroundings, the navigation way of the indoor or outdoor site that arrive user's input can also be sent to this mobile terminal by this location-server simultaneously, thus realize navigating exactly to user.
Referring to Fig. 5, is the first example structure schematic diagram of a kind of location-server that the embodiment of the present invention provides.Location-server described in the present embodiment, is applied in inter-network navigation system, and this inter-network navigation system comprises the first base station, the second base station, mobile terminal and this location-server, and this location-server comprises:
Receiver module 501, the first locating information sent for mobile terminal receive and the second locating information.
Wherein, this first locating information is generated according to the first down link signal from this first base station by this mobile terminal, and this second locating information is generated according to the second down link signal from this second base station by this mobile terminal.
Computing module 502, for calculating the first distance between this mobile terminal and the first base station according to this first locating information, calculates the second distance between this mobile terminal and the second base station according to this second locating information.
Determination module 503, for determining the position of this mobile terminal according to this this second distance of the first Distance geometry.
It should be noted that, the function of each functional module of the location-server of the embodiment of the present invention can according to the method specific implementation in said method embodiment, and its specific implementation process with reference to the associated description of said method embodiment, can repeat no more herein.
In the embodiment of the present invention, location-server calculates the first distance between this mobile terminal and the first base station according to the first locating information from mobile terminal, the second distance between this mobile terminal and the second base station is calculated according to the second locating information from this mobile terminal, and then utilize this this second distance of the first Distance geometry to determine the position of this mobile terminal, location-server can utilize multiple base stations of different telecom operators to carry out alignment by union, thus improves the positioning precision in indoor and outdoor surroundings.
Referring to Fig. 6, is the second example structure schematic diagram of a kind of location-server that the embodiment of the present invention provides.Location-server described in the present embodiment, is applied in inter-network navigation system, and this inter-network navigation system comprises the first base station, the second base station, mobile terminal and this location-server, and this location-server comprises:
Receiver module 601, the first locating information sent for mobile terminal receive and the second locating information.
Wherein, this first locating information is generated according to the first down link signal from this first base station by this mobile terminal, and this second locating information is generated according to the second down link signal from this second base station by this mobile terminal.
Computing module 602, for calculating the first distance between this mobile terminal and the first base station according to this first locating information, calculates the second distance between this mobile terminal and the second base station according to this second locating information.
Determination module 603, for determining the position of this mobile terminal according to this this second distance of the first Distance geometry.
Determination module 603 specifically can comprise:
First acquiring unit 6030, for with the position of this first base station for the center of circle, with this first distance for radius draws the first circumference, with the position of this second base station for the center of circle, with this second distance for radius draws the second circumference, and obtain the position of intersecting point of this first circumference and this second circumference.
First acquiring unit 6030, also for obtaining the current residing subdistrict position of this mobile terminal.
Determining unit 6031, for determining the position of this mobile terminal from this position of intersecting point according to this subdistrict position.
In the execution mode that some are feasible, determination module 603 specifically can comprise:
Second acquisition unit 6032, for with the position of this first base station for the center of circle, with this first distance for radius draws the first circumference, with the position of this second base station for the center of circle, with this second distance for radius draws the second circumference, obtain the position of intersecting point of this first circumference and this second circumference.
Setting unit 6033, for being set to the position of this mobile terminal by this position of intersecting point.
Wherein, this location-server also comprises:
First sending module 604, for sending the location confirmation instruction carrying this position of intersecting point to this mobile terminal, this location confirmation instruction is used to indicate this mobile terminal and this position of intersecting point received is marked display in the display interface of navigation application, and user is operated for the selection that this position of intersecting point inputs the position that the target position of intersecting point chosen is defined as this mobile terminal.
In the execution mode that some are feasible, receiver module 601, the navigation way for this objective also sent after obtaining the objective of user's input for receiving this mobile terminal obtains request.
Wherein, this location-server also comprises:
Generation module 605, obtains request and generates navigation way between the position of this mobile terminal and the position of this objective for responding this navigation way according to principle of optimality.
Second sending module 606, carry the navigation way idsplay order of this navigation way for sending to this mobile terminal, this navigation way idsplay order is used to indicate this mobile terminal in the display interface of navigation application, shows this navigation way from this location-server.
Wherein, this principle of optimality specifically can comprise one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle.
It should be noted that, the function of each functional module of the location-server of the embodiment of the present invention can according to the method specific implementation in said method embodiment, and its specific implementation process with reference to the associated description of said method embodiment, can repeat no more herein.
In the embodiment of the present invention, location-server calculates the first distance between this mobile terminal and the first base station according to the first locating information from mobile terminal, the second distance between this mobile terminal and the second base station is calculated according to the second locating information from this mobile terminal, and then this location-server obtains with the position of this first base station as the center of circle, the first circumference being radius with this first distance with the position of this second base station for the center of circle, position of intersecting point between the second circumference being radius with this second distance, and obtain the current residing subdistrict position of this mobile terminal, thus from this position of intersecting point, the position of this mobile terminal is determined according to this subdistrict position, location-server can utilize multiple base stations of different telecom operators to carry out alignment by union, thus the positioning precision in raising indoor and outdoor surroundings, the navigation way of the indoor or outdoor site that arrive user's input can also be sent to this mobile terminal by this location-server simultaneously, thus realize navigating exactly to user.
Referring to Fig. 7, is the 3rd embodiment schematic flow sheet of a kind of inter-network localization method that the embodiment of the present invention provides.Inter-network localization method described in the present embodiment, is applied in inter-network navigation system, and this inter-network navigation system comprises the first base station, the second base station, mobile terminal and location-server, and the method comprises the following steps:
S701, mobile terminal receive the first down link signal that the first base station sends, and receive the second down link signal of the second base station transmission.
Concrete, mobile terminal can send Location Request respectively to this first base station and this second base station, after receiving this Location Request, this first base station and this second base station send down link signal respectively to this mobile terminal, the down link signal that this first base station sends can be designated as the first down link signal, the down link signal that this second base station sends is designated as the second down link signal.
S702, this mobile terminal generate the first locating information of this mobile terminal according to this first down link signal, generate the second locating information of this mobile terminal according to this second down link signal, and send this first locating information and this second locating information to location-server.
Wherein, this first down link signal and this second down link signal can be the down link signals for mobile interchange Network Communication simultaneously, also can be the pilot signal for mobile communication simultaneously, the down link signal that can also to be one be for mobile interchange Network Communication, another is the pilot signal for mobile communication, and the embodiment of the present invention does not limit.
Concrete, this first down link signal and this second down link signal can be the down link signals for mobile interchange Network Communication simultaneously, this mobile terminal determines that this first base station sends this first down link signal and this mobile terminal and receives time period between this first down link signal, obtain the code element of the down link signal that this mobile terminal receives and the quantity of sampling within this time period, and then generate the first locating information comprising the quantity of this code element and sampling, same, this mobile terminal generates the second locating information comprising the quantity of respective symbol and sampling.
In the execution mode that some are feasible, this first down link signal and this second down link signal can be the pilot signals for mobile communication simultaneously, this mobile terminal determines that this first base station sends this pilot signal and this mobile terminal and receives time period between this pilot signal, obtain the quantity of the PN phase place of the pilot signal that this mobile terminal receives within this time period, and then generate the first locating information comprising the quantity of this PN phase place, same, this mobile terminal generates the second locating information comprising the quantity of corresponding PN phase place.
In the execution mode that some are feasible, this first down link signal and this second down link signal down link signal that can be for mobile interchange Network Communication, another is the pilot signal for mobile communication, suppose that this first down link signal is the down link signal for mobile interchange Network Communication, this second down link signal is the pilot signal for mobile communication, then this acquisition for mobile terminal sends in this first base station the code element of down link signal and the quantity of sampling that in time period that this first down link signal and this mobile terminal receive between this first down link signal, this mobile terminal receives, generate the first locating information comprising the quantity of this code element and sampling, and obtain the quantity sending the PN phase place of the pilot signal that this mobile terminal receives in time period that this pilot signal and this mobile terminal receive between this pilot signal in this first base station, generate the second locating information comprising the quantity of this PN phase place.
S703, this mobile terminal receive the position of this mobile terminal that this location-server sends, the position of this mobile terminal is calculating the first distance between this mobile terminal and this first base station by this location-server according to this first locating information, after calculating the second distance between this mobile terminal and this second base station according to this second locating information, determine according to this this second distance of the first Distance geometry.
Concrete, this location-server utilizes formula: R=(N symbol* t 1+ N sample* t 2) * c, the code element comprised according to locating information and the quantity of sampling calculate the distance between this mobile terminal and this first base station, this second base station, wherein, and N symbolfor the quantity of the code element of down link signal, N samplefor the quantity of the sampling of down link signal, t 1be the time of a code element, t 2be the time of a sampling, c is the light velocity, general desirable c=3*10 8m/s, or the quantity of PN phase place that comprises according to locating information of this location-server calculates the distance between this mobile terminal and this first base station, this second base station.
Further, as shown in Figure 2, be a kind of positioning principle schematic diagram that the embodiment of the present invention provides, this location-server with the position of this first base station for the center of circle, with R 1for radius draws the first circumference, with the position of this second base station for the center of circle, with R 2for radius draws the second circumference, and obtain the position of intersecting point of this first circumference and this second circumference, if this position of intersecting point only has one, then this location-server can determine that this position of intersecting point is the position of this mobile terminal, if this position of intersecting point has two, then this location-server first can obtain the current residing subdistrict position of this mobile terminal by telecom operators' server corresponding to this first base station and/or this second base station, and judge the target position of intersecting point falling into this subdistrict position in this position of intersecting point, and then this location-server can using the position of this target position of intersecting point as this mobile terminal, and the position of this mobile terminal is sent to this mobile terminal.
In the execution mode that some are feasible, this location-server is after the position of intersecting point getting this first circumference and this second circumference, this position of intersecting point can be sent to this mobile terminal, this mobile terminal can mark this position of intersecting point of display in the display interface of navigation application (such as map software etc.), contrasted according to this position of intersecting point marking display in the display interface of current residing position and this navigation application by user, and select target position of intersecting point from this position of intersecting point, thus this target position of intersecting point can be defined as the position of this mobile terminal by this mobile terminal.
Wherein, this mobile terminal can obtain the position of this first base station and the position of this second base station respectively from this first base station and this second base station, and in this first locating information, carry the position of this first base station, the position of this second base station is carried in this second locating information, or, this location-server obtains the position of this first base station and the position of this second base station from this first base station and this each self-corresponding telecom operators in the second base station server, the concrete mode embodiment of the present invention this location-server being obtained to the position of this first base station and the position of this second base station does not limit.
The objective of S704, this acquisition for mobile terminal user input, and obtain request to the navigation way that this location-server sends for this objective, this navigation way obtains request and is used to indicate this location-server and generates navigation way between the position of this mobile terminal and the position of this objective according to principle of optimality, and sends this navigation way to this mobile terminal.
Wherein, this objective can be one or more, it can be indoor place, also can be outdoor site, this principle of optimality can comprise in the shortest principle of route, shortest time principle and congestion in road degree minimum principle one or more, such as, this location-server can generate the many bar navigations route between the position of this mobile terminal and the position of this objective, by analysis flow of the people, vehicle flowrate, path length and after estimating the data such as consuming time only by saving time, unimpeded navigation way sends to this mobile terminal.
S705, this mobile terminal receive this navigation way, and show this navigation way in the display interface of navigation application.
In the embodiment of the present invention, mobile terminal generates the first locating information of this mobile terminal according to the first down link signal from the first base station, generate the second locating information of this mobile terminal according to the second down link signal from the second base station, and send this first locating information and this second locating information to location-server.This mobile terminal receives the position of this mobile terminal determined according to the second distance between this mobile terminal of the first Distance geometry between this mobile terminal and this first base station and this second base station that this location-server sends.The navigation way that this mobile terminal sends for the objective of user's input to this location-server obtains request, receive the navigation way between the position of this mobile terminal generated according to principle of optimality after this navigation way of response acquisition request that this location-server sends and the position of this objective, and export this navigation way, thus realize mobile terminal and location-server utilizes multiple base stations of different telecom operators to carry out alignment by union, the positioning precision in indoor and outdoor surroundings can be improved, realize navigating exactly to user simultaneously.
Referring to Fig. 8, is the first example structure schematic diagram of a kind of mobile terminal that the embodiment of the present invention provides.Mobile terminal described in the present embodiment, is applied in inter-network navigation system, and this inter-network navigation system comprises the first base station, the second base station, this mobile terminal and location-server, and this mobile terminal comprises:
Receiver module 801, for receiving the first down link signal that the first base station sends, and receives the second down link signal of the second base station transmission.
Generation module 802, for generating the first locating information of mobile terminal according to this first down link signal, generates the second locating information of this mobile terminal according to this second down link signal.
Generation module 802 specifically can comprise:
First acquiring unit 8020, for obtaining the quantity sending code element that in time period that this first down link signal and this mobile terminal receive between this first down link signal, this mobile terminal receives and sampling in this first base station.
First generation unit 8021, for generating first locating information comprising the quantity of this code element and sampling of this mobile terminal.
In the execution mode that some are feasible, this first down link signal is pilot signal, and generation module 802 specifically can comprise:
Second acquisition unit 8022, for obtaining the quantity sending the PN phase place that this mobile terminal receives in time period that this pilot signal and this mobile terminal receive between this pilot signal in this first base station.
Second generation unit 8023, for generating first locating information comprising the quantity of this PN phase place of this mobile terminal.
Sending module 803, for sending this first locating information and this second locating information to location-server.
Receiver module 801, also for receiving the position of this mobile terminal that this location-server sends, the position of this mobile terminal is calculating the first distance between this mobile terminal and this first base station by this location-server according to this first locating information, after calculating the second distance between this mobile terminal and this second base station according to this second locating information, determine according to this this second distance of the first Distance geometry.
In the execution mode that some are feasible, this mobile terminal also comprises:
Acquisition module 804, for obtaining the objective of user's input.
Wherein, sending module 803, also for this location-server, the navigation way sent for this objective obtains request, this navigation way obtains request and is used to indicate this location-server and generates navigation way between the position of this mobile terminal and the position of this objective according to principle of optimality, and send this navigation way to this mobile terminal, wherein, this principle of optimality comprises one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle.
Receiver module 801, also for receiving this navigation way.
Wherein, this mobile terminal also comprises:
Display module 805, for showing this navigation way in the display interface of navigation application.
It should be noted that, the function of each functional module of the mobile terminal of the embodiment of the present invention can according to the method specific implementation in said method embodiment, and its specific implementation process with reference to the associated description of said method embodiment, can repeat no more herein.
In the embodiment of the present invention, mobile terminal generates the first locating information of this mobile terminal according to the first down link signal from the first base station, generate the second locating information of this mobile terminal according to the second down link signal from the second base station, and send this first locating information and this second locating information to location-server.This mobile terminal receives the position of this mobile terminal determined according to the second distance between this mobile terminal of the first Distance geometry between this mobile terminal and this first base station and this second base station that this location-server sends.The navigation way that this mobile terminal sends for the objective of user's input to this location-server obtains request, receive the navigation way between the position of this mobile terminal generated according to principle of optimality after this navigation way of response acquisition request that this location-server sends and the position of this objective, and export this navigation way, thus realize mobile terminal and location-server utilizes multiple base stations of different telecom operators to carry out alignment by union, the positioning precision in indoor and outdoor surroundings can be improved, realize navigating exactly to user simultaneously.
Referring to Fig. 9, is the second example structure schematic diagram of a kind of mobile terminal that the embodiment of the present invention provides.Mobile terminal described in the present embodiment, is applied in inter-network navigation system, and this inter-network navigation system comprises the first base station, the second base station, this mobile terminal and location-server, and this mobile terminal comprises: at least one input equipment 1000; At least one output equipment 2000; At least one processor 3000, such as CPU; With memory 4000, above-mentioned input equipment 1000, output equipment 2000, processor 3000 are connected by bus 5000 with memory 4000.
Wherein, above-mentioned input equipment 1000 specifically can be touch-screen and the radio-frequency module of mobile terminal, and touch-screen is for detecting touch operation and the typing content information of input, and radio-frequency module is for receiving the signal of base station and location-server transmission.
Above-mentioned output equipment 2000 specifically can be display screen and the radio-frequency module of mobile terminal, and display screen is used for the data message such as position, navigation way of output mobile terminal, and radio-frequency module is used for sending signal to base station and location-server.
Above-mentioned memory 4000 can be high-speed RAM memory, also can be non-labile memory (non-volatilememory), such as magnetic disc store.Above-mentioned memory 4000 is for storing batch processing code, and above-mentioned input equipment 1000, output equipment 2000 and processor 3000, for calling the program code stored in memory 4000, perform and operate as follows:
Above-mentioned input equipment 1000, for receiving the first down link signal that the first base station sends, and receives the second down link signal of the second base station transmission.
Above-mentioned processor 3000, for generating the first locating information of mobile terminal according to this first down link signal, generates the second locating information of this mobile terminal according to this second down link signal.
Above-mentioned output equipment 2000, for sending this first locating information and this second locating information to location-server.
Above-mentioned input equipment 1000, also for receiving the position of this mobile terminal that this location-server sends, the position of this mobile terminal is calculating the first distance between this mobile terminal and this first base station by this location-server according to this first locating information, after calculating the second distance between this mobile terminal and this second base station according to this second locating information, determine according to this this second distance of the first Distance geometry.
In the execution mode that some are feasible, above-mentioned processor 3000 generates the first locating information of mobile terminal concrete mode according to this first down link signal is:
Obtain the quantity sending code element that in time period that this first down link signal and mobile terminal receive between this first down link signal, this mobile terminal receives and sampling in this first base station, and generate first locating information comprising the quantity of this code element and sampling of this mobile terminal.
In the execution mode that some are feasible, this first down link signal is pilot signal, and above-mentioned processor 3000 generates the first locating information of mobile terminal concrete mode according to this first down link signal is:
Obtain the quantity sending the PN phase place that this mobile terminal receives in time period that this pilot signal and mobile terminal receive between this pilot signal in this first base station, and generate first locating information comprising the quantity of this PN phase place of this mobile terminal.
In the execution mode that some are feasible, above-mentioned input equipment 1000, also for obtaining the objective of user's input.
Above-mentioned output equipment 2000, also for this location-server, the navigation way sent for this objective obtains request, this navigation way obtains request and is used to indicate this location-server and generates navigation way between the position of this mobile terminal and the position of this objective according to principle of optimality, and send this navigation way to this mobile terminal, wherein, this principle of optimality comprises one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle.
Above-mentioned input equipment 1000, also for receiving this navigation way.
Above-mentioned output equipment 2000, also for showing this navigation way in the display interface of navigation application.
In specific implementation, input equipment 1000 described in the embodiment of the present invention, output equipment 2000 and processor 3000 can perform the implementation described in the 3rd embodiment of a kind of inter-network localization method that the embodiment of the present invention provides, also can perform the implementation of the mobile terminal described in the first embodiment of a kind of mobile terminal that the embodiment of the present invention provides, not repeat them here.
In the embodiment of the present invention, mobile terminal generates the first locating information of this mobile terminal according to the first down link signal from the first base station, generate the second locating information of this mobile terminal according to the second down link signal from the second base station, and send this first locating information and this second locating information to location-server.This mobile terminal receives the position of this mobile terminal determined according to the second distance between this mobile terminal of the first Distance geometry between this mobile terminal and this first base station and this second base station that this location-server sends.The navigation way that this mobile terminal sends for the objective of user's input to this location-server obtains request, receive the navigation way between the position of this mobile terminal generated according to principle of optimality after this navigation way of response acquisition request that this location-server sends and the position of this objective, and export this navigation way, thus realize mobile terminal and location-server utilizes multiple base stations of different telecom operators to carry out alignment by union, the positioning precision in indoor and outdoor surroundings can be improved, realize navigating exactly to user simultaneously.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step may can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
In several embodiments that the application provides, should be understood that, disclosed device, the mode by other realizes.Such as, device embodiment described above is only schematic, the division of such as said units, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical or other form.
The above-mentioned unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If above-mentioned integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise all or part of step of some instructions in order to make a computer equipment (can be personal computer, server or the network equipment etc., can be specifically the processor in computer equipment) perform each embodiment said method of the present invention.Wherein, and aforesaid storage medium can comprise: USB flash disk, portable hard drive, magnetic disc, CD, read-only memory are (English: Read-OnlyMemory, abbreviation: ROM) or random access memory (English: RandomAccessMemory, abbreviation: RAM) etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (22)

1. an inter-network navigation system, is characterized in that, described system comprises the first base station, the second base station, mobile terminal and location-server, and described first base station and described second base station belong to different telecom operators, wherein:
Described first base station, for sending the first down link signal to described mobile terminal;
Described second base station, for sending the second down link signal to described mobile terminal;
Described mobile terminal, for generating the first locating information of described mobile terminal according to described first down link signal received, generate the second locating information of described mobile terminal according to described second down link signal received, and send described first locating information and described second locating information to described location-server;
Described location-server, for calculating the first distance between described mobile terminal and described first base station according to described first locating information received, calculate the second distance between described mobile terminal and described second base station according to described second locating information received, and second distance determines the position of described mobile terminal according to described first Distance geometry.
2. system according to claim 1, is characterized in that, described location-server second distance according to described first Distance geometry determines the position of described mobile terminal, comprising:
Described location-server with the position of described first base station for the center of circle, with described first distance for radius draws the first circumference, with the position of described second base station for the center of circle, with described second distance for radius draws the second circumference, and obtain the position of intersecting point of described first circumference and described second circumference;
Described location-server obtains the current residing subdistrict position of described mobile terminal, and from described position of intersecting point, determine the position of described mobile terminal according to described subdistrict position.
3. system according to claim 1, is characterized in that, described location-server second distance according to described first Distance geometry determines the position of described mobile terminal, comprising:
Described location-server with the position of described first base station for the center of circle, with described first distance for radius draws the first circumference, with the position of described second base station for the center of circle, with described second distance for radius draws the second circumference, determine the position of intersecting point of described first circumference and described second circumference, and described position of intersecting point is set to the position of described mobile terminal;
Wherein, described location-server, also for sending described position of intersecting point to described mobile terminal;
Described mobile terminal, also shows for mark in the display interface of navigation application the described position of intersecting point received;
Described mobile terminal, also for obtaining the selection operation that user inputs for described position of intersecting point, and operates described selection the position that the target position of intersecting point chosen is defined as described mobile terminal.
4. the system according to any one of claims 1 to 3, is characterized in that, described mobile terminal generates the first locating information of described mobile terminal according to described first down link signal received, and comprising:
Described acquisition for mobile terminal sends the quantity of code element that in the time period that described first down link signal and described mobile terminal receive between described first down link signal, described mobile terminal receives and sampling in described first base station, and generates first locating information comprising the quantity of described code element and sampling of described mobile terminal.
5. the system according to any one of claims 1 to 3, it is characterized in that, described first down link signal is pilot signal, and described mobile terminal generates the first locating information of described mobile terminal according to described first down link signal received, and comprising:
Described acquisition for mobile terminal sends the quantity of the pseudo noise PN phase place that described mobile terminal receives in the time period that described pilot signal and described mobile terminal receive between described pilot signal in described first base station, and generates first locating information comprising the quantity of described PN phase place of described mobile terminal.
6. the system according to any one of Claims 1 to 5, is characterized in that,
Described mobile terminal, also for obtaining the objective of user's input, and obtains request to the navigation way that described location-server sends for described objective;
Described location-server, also obtains request and generates navigation way between the position of described mobile terminal and the position of described objective for responding described navigation way according to principle of optimality, and send described navigation way to described mobile terminal;
Described mobile terminal, also for receiving described navigation way, and shows described navigation way in the display interface of navigation application;
Wherein, described principle of optimality comprises one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle.
7. an inter-network localization method, it is characterized in that, described method is applied in inter-network navigation system, described inter-network navigation system comprises the first base station, the second base station, mobile terminal and location-server, described first base station and described second base station belong to different telecom operators, and described method comprises:
Described location-server receives the first locating information and second locating information of the transmission of described mobile terminal, calculate the first distance between described mobile terminal and described first base station according to described first locating information, calculate the second distance between described mobile terminal and described second base station according to described second locating information;
Described location-server second distance according to described first Distance geometry determines the position of described mobile terminal;
Wherein, described first locating information is generated according to the first down link signal from described first base station by described mobile terminal, and described second locating information is generated according to the second down link signal from described second base station by described mobile terminal.
8. method according to claim 7, is characterized in that, described location-server second distance according to described first Distance geometry determines the position of described mobile terminal, comprising:
Described location-server with the position of described first base station for the center of circle, with described first distance for radius draws the first circumference, with the position of described second base station for the center of circle, with described second distance for radius draws the second circumference, and obtain the position of intersecting point of described first circumference and described second circumference;
Described location-server obtains the current residing subdistrict position of described mobile terminal, and from described position of intersecting point, determine the position of described mobile terminal according to described subdistrict position.
9. method according to claim 7, is characterized in that, described location-server second distance according to described first Distance geometry determines the position of described mobile terminal, comprising:
Described location-server with the position of described first base station for the center of circle, with described first distance for radius draws the first circumference, with the position of described second base station for the center of circle, with described second distance for radius draws the second circumference, determine the position of intersecting point of described first circumference and described second circumference, and described position of intersecting point is set to the position of described mobile terminal;
Wherein, described method also comprises:
Described location-server sends the location confirmation instruction carrying described position of intersecting point to described mobile terminal, described location confirmation instruction is used to indicate described mobile terminal and the described position of intersecting point received is marked display in the display interface of navigation application, and user is operated for the selection that described position of intersecting point inputs the position that the target position of intersecting point chosen is defined as described mobile terminal.
10. the method according to any one of claim 7 ~ 9, is characterized in that, described method also comprises:
Described location-server receives the acquisition of the navigation way for the described objective request that described mobile terminal sends after obtaining the objective of user's input;
Described location-server responds described navigation way and obtains request and generate navigation way between the position of described mobile terminal and the position of described objective according to principle of optimality, and the navigation way idsplay order carrying described navigation way is sent to described mobile terminal, described navigation way idsplay order is used to indicate described mobile terminal in the display interface of navigation application, shows described navigation way from described location-server;
Wherein, described principle of optimality comprises one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle.
11. 1 kinds of location-servers, it is characterized in that, described location-server is applied in inter-network navigation system, described inter-network navigation system comprises the first base station, the second base station, mobile terminal and described location-server, described first base station and described second base station belong to different telecom operators, and described location-server comprises:
Receiver module, for receiving the first locating information and second locating information of the transmission of described mobile terminal;
Computing module, for calculating the first distance between described mobile terminal and described first base station according to described first locating information, calculates the second distance between described mobile terminal and described second base station according to described second locating information;
Determination module, determines the position of described mobile terminal for second distance according to described first Distance geometry;
Wherein, described first locating information is generated according to the first down link signal from described first base station by described mobile terminal, and described second locating information is generated according to the second down link signal from described second base station by described mobile terminal.
12. servers according to claim 11, is characterized in that, described determination module comprises:
First acquiring unit, for with the position of described first base station for the center of circle, with described first distance for radius draws the first circumference, with the position of described second base station for the center of circle, with described second distance for radius draws the second circumference, and obtain the position of intersecting point of described first circumference and described second circumference;
Described first acquiring unit, also for obtaining the current residing subdistrict position of described mobile terminal;
Determining unit, for determining the position of described mobile terminal from described position of intersecting point according to described subdistrict position.
13. servers according to claim 11, is characterized in that, described determination module comprises:
Second acquisition unit, for with the position of described first base station for the center of circle, with described first distance for radius draws the first circumference, with the position of described second base station for the center of circle, with described second distance for radius draws the second circumference, obtain the position of intersecting point of described first circumference and described second circumference;
Setting unit, for being set to the position of described mobile terminal by described position of intersecting point;
Wherein, described location-server also comprises:
First sending module, for sending the location confirmation instruction carrying described position of intersecting point to described mobile terminal, described location confirmation instruction is used to indicate described mobile terminal and the described position of intersecting point received is marked display in the display interface of navigation application, and user is operated for the selection that described position of intersecting point inputs the position that the target position of intersecting point chosen is defined as described mobile terminal.
14. servers according to any one of claim 11 ~ 13, is characterized in that,
Described receiver module, the navigation way for described objective also sent after obtaining the objective of user's input for receiving described mobile terminal obtains request;
Wherein, described location-server also comprises:
Generation module, obtains request and generates navigation way between the position of described mobile terminal and the position of described objective for responding described navigation way according to principle of optimality;
Second sending module, for sending the navigation way idsplay order carrying described navigation way to described mobile terminal, described navigation way idsplay order is used to indicate described mobile terminal in the display interface of navigation application, shows described navigation way from described location-server;
Wherein, described principle of optimality comprises one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle.
15. 1 kinds of inter-network localization methods, it is characterized in that, described method is applied in inter-network navigation system, described inter-network navigation system comprises the first base station, the second base station, mobile terminal and location-server, described first base station and described second base station belong to different telecom operators, and described method comprises:
Described mobile terminal receives the first down link signal that described first base station sends, and receives the second down link signal of described second base station transmission;
Described mobile terminal generates the first locating information of described mobile terminal according to described first down link signal, generate the second locating information of described mobile terminal according to described second down link signal, and send described first locating information and described second locating information to described location-server;
Described mobile terminal receives the position of the described mobile terminal that described location-server sends, the position of described mobile terminal is calculating the first distance between described mobile terminal and described first base station by described location-server according to described first locating information, after calculating the second distance between described mobile terminal and described second base station according to described second locating information, according to described first Distance geometry, second distance is determined.
16. methods according to claim 15, is characterized in that, described mobile terminal generates the first locating information of described mobile terminal according to described first down link signal, comprising:
Described acquisition for mobile terminal sends the quantity of code element that in the time period that described first down link signal and described mobile terminal receive between described first down link signal, described mobile terminal receives and sampling in described first base station, and generates first locating information comprising the quantity of described code element and sampling of described mobile terminal.
17. methods according to claim 15, is characterized in that, described first down link signal is pilot signal, and described mobile terminal generates the first locating information of described mobile terminal according to described first down link signal, comprising:
Described acquisition for mobile terminal sends the quantity of the PN phase place that described mobile terminal receives in the time period that described pilot signal and described mobile terminal receive between described pilot signal in described first base station, and generates first locating information comprising the quantity of described PN phase place of described mobile terminal.
18. methods according to any one of claim 15 ~ 17, it is characterized in that, described method also comprises:
The objective of described acquisition for mobile terminal user input, and obtain request to the navigation way that described location-server sends for described objective, described navigation way obtains request and is used to indicate described location-server and generates navigation way between the position of described mobile terminal and the position of described objective according to principle of optimality, and send described navigation way to described mobile terminal, wherein, described principle of optimality comprises one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle;
Described mobile terminal receives described navigation way, and shows described navigation way in the display interface of navigation application.
19. 1 kinds of mobile terminals, it is characterized in that, described mobile terminal is applied in inter-network navigation system, described inter-network navigation system comprises the first base station, the second base station, described mobile terminal and location-server, described first base station and described second base station belong to different telecom operators, and described mobile terminal comprises:
Receiver module, for receiving the first down link signal that described first base station sends, and receives the second down link signal of described second base station transmission;
Generation module, for generating the first locating information of described mobile terminal according to described first down link signal, generates the second locating information of described mobile terminal according to described second down link signal;
Sending module, for sending described first locating information and described second locating information to described location-server;
Described receiver module, also for receiving the position of the described mobile terminal that described location-server sends, the position of described mobile terminal is calculating the first distance between described mobile terminal and described first base station by described location-server according to described first locating information, after calculating the second distance between described mobile terminal and described second base station according to described second locating information, according to described first Distance geometry, second distance is determined.
20. mobile terminals according to claim 19, is characterized in that, described generation module comprises:
First acquiring unit, for obtaining the quantity sending code element that in time period that described first down link signal and described mobile terminal receive between described first down link signal, described mobile terminal receives and sampling in described first base station;
First generation unit, for generating first locating information comprising the quantity of described code element and sampling of described mobile terminal.
21. mobile terminals according to claim 19, is characterized in that, described first down link signal is pilot signal, and described generation module comprises:
Second acquisition unit, for obtaining the quantity sending the PN phase place that described mobile terminal receives in time period that described pilot signal and described mobile terminal receive between described pilot signal in described first base station;
Second generation unit, for generating first locating information comprising the quantity of described PN phase place of described mobile terminal.
22. mobile terminals according to any one of claim 19 ~ 21, it is characterized in that, described mobile terminal also comprises:
Acquisition module, for obtaining the objective of user's input;
Wherein, described sending module, also for described location-server, the navigation way sent for described objective obtains request, described navigation way obtains request and is used to indicate described location-server and generates navigation way between the position of described mobile terminal and the position of described objective according to principle of optimality, and send described navigation way to described mobile terminal, wherein, described principle of optimality comprises one or more in the shortest principle of route, shortest time principle and congestion in road degree minimum principle;
Described receiver module, also for receiving described navigation way;
Wherein, described mobile terminal also comprises:
Display module, for showing described navigation way in the display interface of navigation application.
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