CN103257354B - Positioning method based on mobile terminal and mobile terminal - Google Patents
Positioning method based on mobile terminal and mobile terminal Download PDFInfo
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- CN103257354B CN103257354B CN201310134785.7A CN201310134785A CN103257354B CN 103257354 B CN103257354 B CN 103257354B CN 201310134785 A CN201310134785 A CN 201310134785A CN 103257354 B CN103257354 B CN 103257354B
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000004807 localization Effects 0.000 claims description 19
- 230000006870 function Effects 0.000 claims description 14
- 230000005484 gravity Effects 0.000 claims description 9
- 230000001133 acceleration Effects 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
Abstract
The invention discloses a positioning method based on a mobile terminal. The mobile terminal comprises a GPS and a map program. The positioning method comprises the following steps: (1) the map program is invoked and the GPS is started for primary positioning; (2) if the mobile terminal points to a certain landmark building for a period exceeding a preset duration, the angle of the mobile terminal relative to the landmark building in a planimetric map is detected and calculated; (3) the name of the landmark building input by a user is received; (4) the name of the landmark building is searched in the map, and the angle of the mobile terminal relative to the landmark building is marked on the map through a track; (5) the actual distance, between the user and the landmark building, input by the user is received; (6) the actual distance is calculated according to a proportion and then correspondingly marked on the map to be displayed. Therefore, accurate positioning can be realized, the problem of insufficient positioning accuracy caused by signal drift can be avoided, and more convenience is brought to the user for use. The invention further discloses the mobile terminal with a positioning function.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of localization method based on mobile terminal and this mobile terminal.
Background technology
Along with the fast development of mobile communication, various mobile terminal is more and more to intelligentized future development, such as common at present touch screen type smart mobile phone, its function gets more and more, operate also more and more easier, not only there is call, the function such as to send short messages, also have and send and receive e-mail, browse webpage, audio plays video file, the functions such as photograph, now, various mobile communication terminal is not only be used for meeting connecting each other of people merely already, it becomes an integrated information processing platform from simple call instrument, more become utility appliance very important in people's daily life.
Such as; people usually can use mobile phone to carry out in daily life and navigate or locate; such as firm to a strange city or strange place; just usually need to use the map in mobile phone, to carry out navigating or locating, but often (such as city high rise building stands in great numbers because of various reasons; or be in the place etc. that greenbelt number is more) cause signal drift; thus causing cellphone GPS precision inadequate, anchor point is had and departs from, using to user makes troubles.
Therefore, be necessary to provide a kind of localization method based on mobile terminal and this mobile terminal to overcome above-mentioned defect.
Summary of the invention
The object of the present invention is to provide a kind of localization method based on mobile terminal, it can realize accurate location, thus more convenient user uses.
Another object of the present invention is to provide one can realize pinpoint mobile terminal, thus more convenient user uses.
For achieving the above object, technical scheme of the present invention is: provide a kind of localization method based on mobile terminal, and described mobile terminal comprises GPS positioning system and mapping program, and described localization method comprises the steps:
(1) invocation map program start GPS and carry out just location;
(2) if described mobile terminal points to a certain landmark exceed preset duration, then detect and to calculate in plane map described mobile terminal relative to the angle of described landmark;
(3) title of the described landmark of user's input is received;
(4) in described map, search the title of described landmark, and the angle of described mobile terminal relative to described landmark is indicated by track in described map;
(5) its actual range relative to described landmark of user's input is received;
(6) described distance is calculated in proportion rear correspondence to be shown in described map and to show.
Particularly, described step (2) specifically comprises the steps:
(21) judge that described mobile terminal points to a certain landmark and whether exceedes preset duration, if so, then carry out next step, otherwise, then end operation;
(22) attitude of described mobile terminal is detected;
(23) direction of described mobile terminal relative to described landmark is detected;
(24) according to the attitude of described mobile terminal, described mobile terminal relative to the direction of described landmark, to calculate in plane map described mobile terminal relative to the angle of described landmark.
Preferably, the attitude of described mobile terminal comprises lateral attitude and vertical attitude.
Preferably, in described step (5) " it is relative to the actual range of described landmark " for user is relative to the actual judge distance of described landmark.
Particularly, also comprise before described step (1): the duration that described mobile terminal directional bea con buildings is set.
Compared with prior art, due to of the present invention based on the localization method of mobile terminal, first invocation map program start GPS and carry out just behind location, then, when judging that mobile terminal points to after a certain landmark exceedes preset duration, then detect the attitude of this mobile terminal and the direction relative to landmark thereof, to calculate in plane map described mobile terminal again relative to the angle of described landmark, again according to the title of the landmark of user's input, described landmark is found out in map, and the angle of mobile terminal relative to described landmark is indicated in map by track, and receive its actual range relative to described landmark of user's input further, this actual range is calculated in proportion rear correspondence to be shown in described map and to show, therefore, accurate location can be realized, thus the problem that the GPS precision brought because of signal drift can be avoided inadequate, more convenient user uses
Accordingly, the present invention also provides a kind of mobile terminal with positioning function, and it comprises GPS positioning system and mapping program, also comprises judge module, sensor assembly, computing module, receiver module, searches module, indicates module and display module; Wherein, judge module is for judging that described mobile terminal points to a certain landmark and whether exceedes preset duration; Sensor assembly is for detecting the attitude of described mobile terminal and the direction relative to described landmark thereof; Computing module is for calculating in plane map described mobile terminal relative to the angle of described landmark; Receiver module is for receiving the title of the described landmark of user's input, its actual judge distance relative to described landmark of user's input; Search module for searching the title of described landmark in mapping program; Indicate module to be used in described map, indicate the angle of described mobile terminal relative to described landmark; Display module is for showing described map.
Preferably, described sensor assembly specifically comprises Gravity accelerometer and compass, and wherein, Gravity accelerometer is for detecting the attitude of described mobile terminal; Compass is for detecting the direction of described mobile terminal relative to described landmark.
Preferably, the attitude of described mobile terminal comprises lateral attitude and vertical attitude.
Preferably, described " it is relative to the actual range of described landmark " is for user is relative to the actual judge distance of described landmark.
Preferably, described in there is positioning function mobile terminal also comprise module and memory module be set, wherein, module is set for arranging the duration of described mobile terminal directional bea con buildings; Memory module is for storing duration, the map of the described mobile terminal directional bea con buildings of setting.
Compared with prior art, due to the mobile terminal with positioning function of the present invention, comprise GPS positioning system, judge module, sensor assembly, computing module, receiver module, search module, mapping program, display module, sign module, module, memory module and control module are set, during use, first invocation map program also starts GPS and carries out just behind location, then, when judge module judges that mobile terminal points to after a certain landmark exceedes preset duration, sensor assembly then detects the attitude of this mobile terminal and the direction relative to landmark thereof, described mobile terminal is calculated in plane map relative to the angle of described landmark again by computing module, and the title of the landmark of the user's input received according to receiver module, described landmark is found out in map, and the angle of mobile terminal relative to described landmark is indicated in map by track, and receive its actual range relative to described landmark of user's input further, this actual range is calculated in proportion rear correspondence to be shown in described map and to show, therefore, accurate location can be realized, thus the problem that the GPS precision brought because of signal drift can be avoided inadequate, more convenient user uses.
By following description also by reference to the accompanying drawings, the present invention will become more clear, and these accompanying drawings are for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the localization method that the present invention is based on mobile terminal.
The sub-process figure of step S03 in Fig. 2 Fig. 1.
Fig. 3 is the structured flowchart that the present invention has the mobile terminal of positioning function.
Embodiment
With reference now to accompanying drawing, describe embodiments of the invention, element numbers similar in accompanying drawing represents similar element.As mentioned above, the invention provides a kind of localization method based on mobile terminal and this mobile terminal, when user is in foreign environment, accurate location can be realized, thus more convenient user uses.
As shown in Figure 1, Fig. 1 illustrates the process flow diagram of an embodiment of a kind of localization method based on mobile terminal of the present invention, and described mobile terminal comprises GPS positioning system and mapping program, and described localization method comprises the following steps:
Step S01: invocation map program also starts GPS and carries out just location;
Step S02: judge that described mobile terminal points to a certain landmark and whether exceedes preset duration, if so, then carry out next step, otherwise, then end operation; Such as, the user being in foreign environment has landmark thing by a certain for mobile terminal sensing around, when mobile terminal judges that the duration that it points to this landmark exceedes preset duration, such as, when pointing to certain mansion more than 5s, then carries out next step;
Step S03: detect and to calculate in plane map described mobile terminal relative to the angle of described landmark; Particularly, according to the attitude of mobile terminal self and the mobile terminal direction relative to described landmark, to calculate in plane map described mobile terminal relative to the angle of described landmark;
Step S04: the title receiving the described landmark of user's input;
Step S05: the title of searching described landmark in described map, and the angle of described mobile terminal relative to described landmark is indicated in described map by track; Thus, can on map consumer positioning relative to the angle of landmark;
Step S06: prompting user inputs it relative to the actual range between described landmark;
Step S07: its actual range relative to described landmark receiving user's input; Wherein, described " actual range relative to described landmark " is for user is relative to the actual judge distance of described landmark;
Step S08: described distance is calculated in proportion rear correspondence and to be shown in described map and to show, particularly, according to the actual judge distance of user's input, calculates this distance and corresponds to ratio in map, and the distance after calculating be shown in map.
As shown in Figure 2, Fig. 2 illustrates the sub-process figure of step S03 in the localization method that the present invention is based on mobile terminal.Particularly, described step S03 comprises the steps:
S31: the attitude detecting described mobile terminal; Wherein, the attitude of described mobile terminal comprises lateral attitude and vertical attitude, particularly, according to the different modes of user's handling mobile terminal, described mobile terminal has horizontal and vertical two kinds of attitudes, such as, during user is endways gripping mobile terminal, this mobile terminal is perpendicular screen, be vertical attitude, otherwise, when user grips mobile terminal sidewards, this mobile terminal is horizontal screen, is lateral attitude;
S32: detect the direction of described mobile terminal relative to described landmark; Particularly, by judging the direction of mobile terminal relative to selected landmark to the measurement in magnetic field of the earth;
S33: according to the attitude of described mobile terminal, described mobile terminal relative to the direction of described landmark, to calculate in plane map described mobile terminal relative to the angle of described landmark, particularly, according to attitude and its actual direction relative to landmark of mobile terminal, described mobile terminal can be calculated in plane map relative to the angle of described landmark.
Preferably, also comprise before described step S01:
Arrange the duration of described mobile terminal directional bea con buildings, such as, the duration arranging mobile terminal directional bea con buildings is 5s, certainly, can also be set to other durations.
Owing to the present invention is based on the localization method of mobile terminal, first invocation map program start GPS and carry out just behind location, then, when judging that mobile terminal points to after a certain landmark exceedes preset duration, then detect the attitude of this mobile terminal and the direction relative to landmark thereof, to calculate in plane map described mobile terminal again relative to the angle of described landmark, again according to the title of the landmark of user's input, described landmark is found out in map, and the angle of mobile terminal relative to described landmark is indicated in map by track, and receive its actual range relative to described landmark of user's input further, this actual range is calculated in proportion rear correspondence to be shown in described map and to show, therefore, accurate location can be realized, thus the problem that the GPS precision brought because of signal drift can be avoided inadequate, more convenient user uses.
As shown in Figure 3, Fig. 3 illustrates a kind of structured flowchart with the mobile terminal of positioning function of the present invention.Particularly, described mobile terminal 100 comprises judge module 101, sensor assembly 102, computing module 103, receiver module 104, searches module 105, display module 107, indicates module 108, arranges module 109, memory module 110, control module 111, mapping program 106 and GPS positioning system.
Wherein, described GPS positioning system is used for the control realization Primary Location according to control module 111, and mapping program 106 according to the controlling run of control module 111, and shows corresponding map by display module 107.
Particularly, judge module 101 is for judging that described mobile terminal points to a certain landmark and whether exceedes preset duration; Sensor assembly 102 for detecting the attitude of described mobile terminal, and detects the direction of mobile terminal relative to described landmark; Computing module 103 is for calculating the angle of mobile terminal described in plane map relative to described landmark; Receiver module 104 is for receiving the title of the described landmark of user's input, its actual range relative to described landmark of user's input; Search module 105 for searching the title of described landmark in mapping program 106; Indicate module 108 for indicating the angle of described mobile terminal relative to described landmark in described map; Display module 107 is for showing described map.
In addition, module 109 is set for arranging the duration of described mobile terminal directional bea con buildings; Memory module 110 for storing the duration of the described mobile terminal directional bea con buildings of setting, and stores map and other data.
Continue to consult shown in Fig. 3, described sensor assembly 102 specifically comprises Gravity accelerometer 1021(G-sensor) and compass 1022(M-sensor), wherein, Gravity accelerometer 1021 is for detecting the attitude of described mobile terminal; Compass 1022 is for detecting the direction of described mobile terminal relative to described landmark.Particularly, Gravity accelerometer 1021 can measure acceleration of gravity, different according to the attitude that mobile terminal is aloft placed, the gravitational acceleration component of X, Y, Z tri-axis that Gravity accelerometer 1021 records can be different, by to X, Y, Z tri-mathematical operation of gravitational acceleration component of axis, the attitude of mobile terminal can be judged.Particularly, the attitude of described mobile terminal comprises lateral attitude and vertical attitude, and according to the different modes of user's handling mobile terminal, described mobile terminal has horizontal and vertical two kinds of attitudes, also be, during user is endways gripping mobile terminal, this mobile terminal is perpendicular screen, is vertical attitude, otherwise, when user grips mobile terminal sidewards, this mobile terminal is horizontal screen, is lateral attitude; Because compass 1022 can only levels operation, therefore, the attitude needing Gravity accelerometer 1021 to detect mobile terminal carries out compensation data; Compass 1022 is then the direction by judging mobile terminal to the measurement in magnetic field of the earth; Finally, according to the attitude of mobile terminal, the direction of mobile terminal, described mobile terminal can be calculated in plane map relative to the angle of described landmark.
More specifically, mobile terminal 100 receive user input its be the judge distance of user relative to landmark relative to the actual range of described landmark.
Because the present invention has the mobile terminal 100 of positioning function, comprise GPS positioning system, judge module 101, sensor assembly 102, computing module 103, receiver module 104, search module 105, mapping program 106, display module 107, indicate module 108, module 109, memory module 110 and control module 111 are set, during use, first invocation map program 106 also starts GPS and carries out just behind location, then, when judge module 101 judges that mobile terminal points to after a certain landmark exceedes preset duration, sensor assembly 102 detects the attitude of this mobile terminal and the direction relative to landmark thereof, described mobile terminal is calculated in plane map relative to the angle of described landmark again by computing module 103, and the title of the landmark of the user's input received according to receiver module 104, described landmark is found out in map, and the angle of mobile terminal relative to described landmark is indicated in map by track, and receive its actual range relative to described landmark of user's input further, this actual range is calculated in proportion rear correspondence to be shown in described map and to show, therefore, accurate location can be realized, thus the problem that the GPS precision brought because of signal drift can be avoided inadequate, more convenient user uses.
Above disclosedly be only the preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (10)
1. based on a localization method for mobile terminal, described mobile terminal comprises GPS positioning system and mapping program, it is characterized in that, described localization method comprises the steps:
(1) invocation map program start GPS and carry out just location;
(2) if described mobile terminal points to a certain landmark exceed preset duration, then detect and to calculate in plane map described mobile terminal relative to the angle of described landmark;
(3) title of the described landmark of user's input is received;
(4) in described map, search the title of described landmark, and the angle of described mobile terminal relative to described landmark is indicated by track in described map;
(5) its actual range relative to described landmark of user's input is received;
(6) described distance is calculated in proportion rear correspondence to be shown in described map and to show.
2., as claimed in claim 1 based on the localization method of mobile terminal, it is characterized in that, described step (2) specifically comprises the steps:
(21) judge that described mobile terminal points to a certain landmark and whether exceedes preset duration, if so, then carry out next step, otherwise, then end operation;
(22) attitude of described mobile terminal is detected;
(23) direction of described mobile terminal relative to described landmark is detected;
(24) according to the attitude of described mobile terminal, described mobile terminal relative to the direction of described landmark, to calculate in plane map described mobile terminal relative to the angle of described landmark.
3. as claimed in claim 2 based on the localization method of mobile terminal, it is characterized in that, the attitude of described mobile terminal comprises lateral attitude and vertical attitude.
4., as claimed in claim 1 based on the localization method of mobile terminal, it is characterized in that, in described step (5), " it is relative to the actual range of described landmark " is for user is relative to the actual judge distance of described landmark.
5. as claimed in claim 1 based on the localization method of mobile terminal, it is characterized in that, also comprise before described step (1):
The duration of described mobile terminal directional bea con buildings is set.
6. there is a mobile terminal for positioning function, comprise GPS positioning system and mapping program, it is characterized in that, also comprise:
Judge module, for judging that described mobile terminal points to a certain landmark and whether exceedes preset duration;
Sensor assembly, for detecting the attitude of described mobile terminal and the direction relative to described landmark thereof;
Computing module, for calculating in plane map described mobile terminal relative to the angle of described landmark;
Receiver module, for receiving the title of the described landmark of user's input, its actual range relative to described landmark of user's input;
Search module, for searching the title of described landmark in mapping program;
Indicate module, for indicating the angle of described mobile terminal relative to described landmark in described map;
Display module, for showing described map.
7. have the mobile terminal of positioning function as claimed in claim 6, it is characterized in that, described sensor assembly specifically comprises:
Gravity accelerometer, for detecting the attitude of described mobile terminal;
Compass, for detecting the direction of described mobile terminal relative to described landmark.
8. have the mobile terminal of positioning function as claimed in claim 7, it is characterized in that, the attitude of described mobile terminal comprises lateral attitude and vertical attitude.
9. have the mobile terminal of positioning function as claimed in claim 6, it is characterized in that, described " it is relative to the actual range of described landmark " is for user is relative to the actual judge distance of described landmark.
10. there is the mobile terminal of positioning function as claimed in claim 6, it is characterized in that, also comprise: module is set, for arranging the duration of described mobile terminal directional bea con buildings;
Memory module, for storing the duration of the described mobile terminal directional bea con buildings of setting.
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| CN201310134785.7A CN103257354B (en) | 2013-04-17 | 2013-04-17 | Positioning method based on mobile terminal and mobile terminal |
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| KR101619599B1 (en) * | 2014-08-08 | 2016-05-10 | 현대자동차주식회사 | Vehicle Collision Avoidance Method and Apparatus of Low Power Consumption Based on Fused Radar Sensors |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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Granted publication date: 20150311 |