CN102316478B - Method for calculating current position, method for preventing communication device from being stolen and communication device - Google Patents
Method for calculating current position, method for preventing communication device from being stolen and communication device Download PDFInfo
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Abstract
The invention relates to a method for calculating the current position, a method for preventing a communication device from being stolen and the communication device. The method for calculating the current position is applicable to the communication device registered at a service base station and comprises the following steps that: the service base station and at least N adjacent base stations in the vicinity form a first base station group; when the communication device moves, the receiving signal intensity corresponding to each base station in the first base station group is respectively detected, and K base stations with the enhanced receiving signal intensity form a second base station group, wherein K is greater than or equal to 2 but smaller than or equal to N; and the condition that the second base station group has N-K intersection regions of N base stations to K+1 base stations is judged in sequence, the N-K intersection regions are deducted from the first intersection regions obtained when the second base station group has K base stations, and the current region of the communication device is obtained. Through the technical scheme of the invention, the communication device is favorably tracked and found when being lost.
Description
Technical field
The present invention relates to a kind of current position method of calculating, relate in particular to a kind of calculating current position method of communication device, the stolen method of anti-communication device and communication device.
Background technology
Most electronic installation is towards the compact future development of volume, once still lose, former user is difficult to give for change.Even if there is global positioning system (Global PositioningSystem on electronic installation, referred to as: GPS) function is located current position, or continuation records current travel path, when picking up the personage who obtains or steal this loss electronic installation, accounted for as existing and when electronic installation is shut down, giving this for change, to lose electronic installation more difficult.In addition, GPS function, under the situation of indoor or bad weather, is also easily disturbed the precision of location, and the possibility of utilizing merely GPS function to follow the trail of or give for change loss electronic installation is reduced relatively.
Summary of the invention
The invention provides a kind of current position method, the stolen method of anti-communication device and communication device of calculating.This calculate current position method according to communication device in the time advancing, judge the current region of communication device with the variation of the received signal strength of contiguous base station.In addition, recording constantly current region is a travel path, and suitably returns current region or travel path to far end device, in order to following the trail of and give for change this communication device.
One embodiment of the invention provides a kind of current position method of calculating, and is applicable to be registered in a communication device of a service base platform, and described calculating current position method comprises the following steps.Contiguous above-mentioned service base platform at least N contiguous base station and service base platform are formed to one first base station group.In the time that communication device moves, detect respectively the received signal strength corresponding to each base station in the first base station group, and K base station composition one second base station group, the wherein 2≤K≤N that received signal strength is increased.Sequentially judge when there be N base station in the second base station group and have N-K intersection area of K+1 base station to working as the second base station group, and by deducting this little N-K intersection area in one first intersection area that has K base station to obtain when the second base station group, to obtain a current region of communication device.
Judge in the second above-mentioned base station group, there is each other the first base station and second base station of a maximum angle taking the initial position of communication device as axle center.Respectively taking above-mentioned service base platform, the first base station and the second base station as first center of circle, second center of circle and the 3rd center of circle.Obtain corresponding the first radius, the second radius and the 3rd radius according to service base platform, the first base station with these a little received signal strengths of the second base station respectively, and to choose these a little centers of circle and a common factor of corresponding multiple border circular areas that this little radius forms be the first above-mentioned intersection area.In the time that service base platform changes, upgrade the first base station group and the second base station group.In the time that communication device moves again, setting above-mentioned current region is the initial position that next time calculates the computing of current position.
In one embodiment of this invention, when received signal strength increase base station number K=2 time, above-mentioned calculating current position method is further comprising the steps of.Taking one the 3rd base station of the most contiguous the first base station outside the second base station group as the 4th center of circle, obtain the 4th corresponding radius according to the received signal strength of the 3rd base station, and the common factor of choosing first center of circle, second center of circle and the 4th center of circle and corresponding multiple border circular areas that this little radius forms is the second intersection area.Taking one the 4th base station of the most contiguous the second base station outside the second base station group as the 5th center of circle, obtain the 5th corresponding radius according to the received signal strength of the 4th base station, and to choose first center of circle, the 3rd center of circle and the 5th center of circle be the 3rd intersection area with the common factor of corresponding multiple border circular areas that this little radius forms.By deducting the second intersection area and the 3rd intersection area in the first intersection area to obtain current region.
One embodiment of the invention provide a kind of communication device, and described communication device comprises a communication module group and a tracking mobile route module.Communication module group is for forming the first base station group by contiguous a service base platform at least N contiguous base station and service base platform.Follow the trail of mobile route module in the time that communication device moves, detect respectively the received signal strength corresponding to each base station in the first base station group, and K the base station that received signal strength is increased forms the second base station group, wherein 2≤K≤N.In addition, follow the trail of mobile route module in the time that communication device moves, sequentially judge when there be N base station in the second base station group and have N-K intersection area of K+1 base station to working as the second base station group, and by deducting this little N-K intersection area in one first intersection area that has K base station to obtain when the second base station group, to obtain the current region of communication device.Described tracking mobile route module also judges in described the second base station group to have each other one first base station and one second base station of a maximum angle as axle center taking an initial position of described communication device, described tracking mobile route module is also respectively with described service base platform, described the first base station and described the second base station are one first center of circle, one second center of circle and one the 3rd center of circle, respectively according to described service base platform, described the first base station obtains one first corresponding radius with the described received signal strength of described the second base station, one second radius and one the 3rd radius, and choose described first center of circle, described second center of circle and described the 3rd center of circle and corresponding described the first radius, one of described the second radius and described the 3rd multiple border circular areas that radius forms occur simultaneously for described the first intersection area, in the time that described service base platform changes, described communication module group upgrades described the first base station group and described tracking mobile route module upgrades described the second base station group, in the time that described communication device moves again, it is the described initial position that next time calculates the computing of current position that described tracking mobile route module is set described current region.
One embodiment of the invention provide a kind of anti-communication device stolen method, are applicable to be registered in the communication device of a service base platform, and the described stolen method of anti-communication device comprises the following steps.Contiguous above-mentioned service base platform at least N contiguous base station and service base platform are formed to the first base station group.In the time that communication device moves, detect respectively the received signal strength corresponding to each base station in the first base station group, and K the base station that received signal strength is increased forms the second base station group, wherein 2≤K≤N.In the time that communication device moves, sequentially judge when there be N base station in the second base station group and have N-K intersection area of K+1 base station to working as the second base station group, and by deducting this little N-K intersection area in one first intersection area that has K base station to obtain when the second base station group, to obtain a current region of communication device.Record constantly the current region of communication device to record a travel path of communication device.Return above-mentioned travel path or above-mentioned current region to far end device.Described far end device is started a communication module group of described communication device by a resting state; Described communication module group starts one of described communication device and follows the trail of mobile route module; Obtain a base station identification code of each base station of described the first base station group at described initial position, and obtain respectively a geographical position of multiple described base stations according to multiple described base station identification codes; According to the multiple described geographical position of multiple described base stations, judge a geographical position in described current region; Judge in described the second base station group to there is each other one first base station and one second base station of a maximum angle as axle center taking an initial position of described communication device; Respectively taking described service base platform, described the first base station and described the second base station as one first center of circle, one second center of circle and one the 3rd center of circle, obtain corresponding one first radius, one second radius and one the 3rd radius according to described service base platform, described the first base station with the described received signal strength of described the second base station respectively, and choose described first center of circle, described second center of circle and described the 3rd center of circle and occur simultaneously for described the first intersection area with one of corresponding described the first radius, described the second radius and described the 3rd multiple border circular areas that radius forms; In the time that described service base platform changes, upgrade described the first base station group and described the second base station group; And in the time that described communication device moves again, choosing described current region is the described initial position that next time calculates the computing of current position.
One embodiment of the invention provide a kind of communication device, and described communication device is registered in a service base platform and comprises a communication module group and a tracking mobile route module.Communication module group is for forming the first base station group by contiguous above-mentioned service base platform at least N contiguous base station and service base platform.Follow the trail of mobile route module in the time that communication device moves, detect respectively the received signal strength corresponding to each base station in the first base station group, and K the base station that received signal strength is increased forms the second base station group, wherein 2≤K≤N, wherein, a far end device is started described tracking mobile route module by described communication module group by a resting state.In addition, follow the trail of mobile route module in the time that communication device moves, sequentially judge when there be N base station in the second base station group and have N-K intersection area of K+1 base station to working as the second base station group, and by deducting this little N-K intersection area in one first intersection area that has K base station to obtain when the second base station group, to obtain a current region of communication device.Moreover the current region that tracking mobile route module records communication device is constantly to record a travel path of communication device.In addition, follow the trail of mobile route module and further return above-mentioned travel path or above-mentioned current region to far end device.Described tracking mobile route module obtains a base station identification code of each base station of described the first base station group at described initial position, and obtains respectively a geographical position of multiple described base stations according to multiple described base station identification codes, described tracking mobile route module, according to described multiple geographical position of multiple described base stations, is judged a geographical position in described current region, described tracking mobile route module judges in described the second base station group to have each other one first base station and one second base station of a maximum angle as axle center taking an initial position of described communication device, described tracking mobile route module is respectively with described service base platform, described the first base station and described the second base station are one first center of circle, one second center of circle and one the 3rd center of circle, respectively according to described service base platform, described the first base station obtains one first corresponding radius with the described received signal strength of described the second base station, one second radius and one the 3rd radius, and choose described first center of circle, described second center of circle and described the 3rd center of circle and corresponding described the first radius, one of described the second radius and described the 3rd multiple border circular areas that radius forms occur simultaneously for described the first intersection area, in the time that described service base platform changes, described communication module group upgrades described the first base station group and described tracking mobile route module upgrades described the second base station group, and in the time that described communication device moves again, it is the described initial position that next time calculates the computing of current position that described tracking mobile route module is chosen described current region.
Based on above-mentioned, in the above embodiment of the present invention, provide a kind of communication device that calculates current position method, the stolen method of anti-communication device and use said method.Described calculating current position method is by the received signal strength of detecting base station, and the each base station increasing taking received signal strength is as the center of circle, and the corresponding received signal strength that utilizes each base station for radius obtains multiple border circular areas.The current region that the common factor of suitably choosing these a little border circular areas is communication device.In addition, it is a travel path that the stolen method of anti-communication device also further records current region constantly, and suitably returns current region and travel path to far end device.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Brief description of the drawings
Fig. 1 is the system block diagrams of a kind of communication device of one embodiment of the invention.
Fig. 2 is the flow chart of the stolen method of a kind of anti-communication device of one embodiment of the invention.
Fig. 3 A is that the communication device of one embodiment of the invention is at the schematic diagram of a communication network and contiguous base station relativeness.
Fig. 3 B be the communication device of one embodiment of the invention in a communication network with the schematic diagram of a base station interactive relationship.
Fig. 3 C be one embodiment of the invention because of communication device move six base stations reception signal strengthen schematic diagram.
Fig. 3 D be one embodiment of the invention another kind because of communication device move six base stations reception signal strengthen schematic diagram.
Fig. 3 E be one embodiment of the invention because of communication device move five base stations reception signal strengthen schematic diagram.
Fig. 3 F be one embodiment of the invention because of communication device move four base stations reception signal strengthen schematic diagram.
Fig. 3 G be one embodiment of the invention because of communication device move three base stations reception signal strengthen schematic diagram.
Fig. 3 H be one embodiment of the invention because of communication device move two base stations reception signal strengthen schematic diagram.
Fig. 4 is the flow chart of the calculating current position method of one embodiment of the invention.
Fig. 5 is that the reception signal that has two base stations of one embodiment of the invention calculates the flow chart of current position method while strengthening.
Fig. 6 is the flow chart of the stolen method of anti-communication device of another embodiment of the present invention.
Main element symbol description:
100,305: communication device; 400: calculate current position method;
110: communication module group; 120: processor module;
500: have two base stations reception signal strengthen time calculating current position method;
130: memory module; 600: the stolen method of anti-communication device;
140: follow the trail of mobile route module; 150: alarm device;
Cell 1, Cell 2, Cell 3, Cell 4, Cell 5, Cell 6, Cell 7: base station;
200: the stolen method of anti-communication device; S202～S208: step;
S402～S414, S502～S506, S602～S612: step;
320,330,340,350,360,370: base station is to the covering scope of communication device initial position.
Embodiment
Fig. 1 is the system block diagrams of a kind of communication device of one embodiment of the invention.Please refer to Fig. 1, communication device 100 comprises communication module group 110, processor module 120, memory module 130, follows the trail of mobile route module 140 and alarm device 150.
In the present embodiment, memory module 130 is coupled to processor module 120, and can stored routine module, and described program module, in the time being carried out by processor module 120, is carried out one or more process that produces media program.Moreover memory module 130 can be one or more storage arrangement, for storage data, operating system (not shown) and software program.Memory module 130 also comprises database, and database storage for example: electronic chart, note etc.The storage arrangement of memory module 130 can be for for example, one of in flash memory (Flash memory) device, magnetic storage devices or optical storage device or many persons.Processor module 120 is for executive operating system and other programs, and Coordinated Communication module 110, tracking mobile route module 140 and alarm device 150.
Communication module group 110 has antenna (not shown) and communication protocol stack (protocol stack), can support global system for mobile communications (Global System for Mobile Communications, referred to as: GSM), the interconnected inserting of microwave in the whole world (Worldwide Interoperability for Microwave Access, referred to as: WiMAX), Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, referred to as: WCDMA) and any communication protocol of 3GPP-LTE system, and the present invention is not limited to above-mentioned, communication module group 110 can also be supported the communication protocol of other kinds, it is for example cdma2000.Communication module group 110 can be the communication module group that is embedded in communication device 100, or the communication module group that can substitute.In addition, communication module group 110 has can wake (wake up) function up, when communication device 100 is in the time that operating system is shut down, still continued power is to communication module group 110 for the battery of communication device 100, and communication module group 110 is maintained at a wake-up waiting (wake up) state.In the time that communication module group 110 runs into wake events (wake up event), communication module group 110 starts the operating system.For example, when communication module group 110 is by communication system or communication network, while receiving specific note that a far end device transmits, particular packet or customizing messages, communication module group 110 starts the operating system, and operating system is formally started shooting while running, can provide feedback (feedback) information to communication module group 110.Communication module group 110 can also formally be started shooting after running in operating system, further transmits specific note, particular packet or customizing messages to respond far end device.
In the present embodiment, communication device 100 is one to have the communication device that calculates current position function and Antistealing function, and the key step of its Antistealing method can be introduced with Fig. 2.Fig. 2 is the flow chart of the stolen method of a kind of anti-communication device of one embodiment of the invention.Roughly speaking, the stolen method 200 of anti-communication device comprises: utilize communication module group to start communication device (step S202); The base station (step S204) of service base platform and vicinity in the communication network of detecting registration at present; Calculate current position (step S206) according to service base platform and the information of contiguous base station; And follow the trail of the travel path of communication device according to the current position of estimating, and according to travel path or current position take action (step S208).The detailed technology content of step S206 will further be introduced with Fig. 3 A to Fig. 3 H below.
Fig. 3 A is that the communication device of one embodiment of the invention is at the schematic diagram of a communication network and contiguous base station relativeness.Please refer to Fig. 3 A, communication network at least comprises other base stations (for example: the contiguous base station that is denoted as respectively Cell 1, Cell 2, Cell 3, Cell 4, Cell 5, Cell 6) of a service base platform (being denoted as Cell 7) and multiple adjacent service base stations.Communication device 305 can move to any one position in communication network, but following by with communication device 305 moving state within the scope of this (for example: move to B point by A point) introduce the detailed technology content of step S206 that is the detailed action of calculating current position method.
Fig. 3 B be the communication device of one embodiment of the invention in a communication network with the schematic diagram of a base station interactive relationship.In the present embodiment, calculating current position method is to be basis based on communication device 305 and the distance of base station and the pass of change in signal strength.As shown in Figure 3 B, taking a base station as the center of circle, the distance of the current position of itself and communication device 305 is that radius does a circle, first position current base station is called to a starting point (or making an initial position) at this.In the time that communication device 305 moves toward base station direction, namely in circle, move, the received signal strength detecting after moving can be more than or equal to the received signal strength at initial position.On the contrary, in the time that communication device 305 moves away from base station, be toward circle is outer and move, the received signal strength that the arbitrary position outside circle detects in theory can be less than or equal to the signal strength signal intensity that initial position detects.Please refer to Fig. 3 A, according to mentioned above principle, the mobile status of communication device 305 in communication network at least can be divided into several states, below will introduce respectively with Fig. 3 C to Fig. 3 H under each state (received signal strength of the base station of different numbers can strengthen), how calculating current position method obtains the detailed step in the current region (or making current position) of communication device 305.
Fig. 3 C be one embodiment of the invention because of communication device move six base stations reception signal strengthen schematic diagram.Suppose that communication device 305 is initial position by the point that indicates 305 in Fig. 3 C, this initial position can be for utilizing telecommunication operator to offer that communication device 305 obtains, or for example, by other application programs: Google map summary obtains.In addition, circular dashed line 320,330,340,350,360,370 in Fig. 3 C is only signal use, and it represents respectively and corresponds to base station Cell 2, Cell 3, Cell 4, Cell 5, Cell 6, Cell 7 covering scope to communication device 305 initial positions.Please refer to Fig. 3 C, the received signal strength that detects six base stations at this communication device 305 strengthens because communication device 305 moves, and these base stations are respectively Cell 2, Cell 3, Cell 4, Cell 5, Cell 6 and Cell7 (this is service base platform).Then, it is terminal line that communication device 305 arrives base station Cell 2, Cell 3, Cell 4, Cell 5, Cell 6 and Cell 7 taking initial position respectively, finds out the base station of composition one maximum angle in these base stations.In Fig. 3 C, base station Cell 2, Cell 6 are for having two base stations of a maximum angle.Respectively taking base station Cell 2, Cell 6, Cell 7 current positions as the center of circle, and arrive base station Cell 2, Cell 6, Cell 7 (service base platform) as corresponding radius using initial position respectively, the current region that the intersection area (sign oblique line) of judging these three border circular areas is communication device 305.
In other embodiments of the invention, during calculating current position method can also further judge that communication device 305 is advanced, it is to increase or reduce that the base station Cell 2 detecting, the received signal strength of Cell 6 change.If it is the situation increasing that received signal strength changes, can further limit the current region of communication device 305 for the first half of above-mentioned obtained intersection area (cut-off rule is a line of base station Cell 2, Cell6).On the contrary, be the situation reducing if received signal strength changes, can further limit the current region of communication device 305 for the Lower Half of above-mentioned obtained intersection area.
But that the present invention is not defined in is above-mentioned, below will introduce with Fig. 3 D the situation that another reception signal that has six base stations strengthens.Fig. 3 D be one embodiment of the invention another kind because of communication device move six base stations reception signal strengthen schematic diagram.Please refer to Fig. 3 D, in Fig. 3 D, communication device 305 moves to close base station Cell 2, but the current region of actual judgement communication device 305 is still identical with the mode in Fig. 3 C haply.
Fig. 3 E be one embodiment of the invention because of communication device move five base stations reception signal strengthen schematic diagram.At this, what reception signal strengthened is respectively base station Cell 2, Cell 3, Cell 4, Cell 5 and Cell 7.Still calculate and there is two base station Cell 2 of a maximum angle, the intersection area of Cell 5 according to the mode in Fig. 3 C.But, under this situation, will delete with the overlapping part of the above-mentioned intersection area that has the reception signal of six base stations to strengthen.The current region that so, can more dwindle communication device 305 is the region that is denoted as oblique line in Fig. 3 E.
Fig. 3 F be one embodiment of the invention because of communication device move four base stations reception signal strengthen schematic diagram.At this, what reception signal strengthened is respectively base station Cell 2, Cell 3, Cell 4 and Cell 7.Still calculate and there is two base station Cell 2 of a maximum angle, the intersection area of Cell 7 according to the mode in Fig. 3 C.But, under this situation, will delete with the above-mentioned overlapping part of six base stations and the intersection area that has five base stations reception signals to strengthen that has.The current region that so, can more dwindle communication device 305 is the region that is denoted as oblique line in Fig. 3 F.
Fig. 3 G be one embodiment of the invention because of communication device move three base stations reception signal strengthen schematic diagram.At this, what reception signal strengthened is respectively base station Cell 3, Cell 4 and Cell 5.Still calculate the intersection area of two base station Cell 3, the Cell5 with a maximum angle according to the mode in Fig. 3 C.But, under this situation, be by the part deletion overlapping with the above-mentioned intersection area that has six base stations, has five base stations and have four base stations reception signals to strengthen.The current region that so, can more dwindle communication device 305 is the region that is denoted as oblique line in Fig. 3 G.
Above-mentioned various state summarys are arranged, can obtain the flow chart of calculating current position method 400 as shown in Figure 4.Fig. 4 is the flow chart of the calculating current position method of one embodiment of the invention.Referring to Fig. 1 and Fig. 4, roughly speaking, calculate current position method 400 and comprise the following steps.The service base platform of communication device 305 and at least N contiguous contiguous base station are formed to one first base station group (step S402), and wherein N is greater than zero positive integer.In the time that communication device 305 moves, detect respectively the received signal strength corresponding to each base station in the first base station group, and K the base station that received signal strength is increased forms the second base station group, wherein 2≤K≤N (step S404).Judge in the second base station group to there is each other the first base station and second base station (step S406) of a maximum angle as axle center taking the initial position of communication device 305.Respectively taking service base platform, the first base station and the second base station as first center of circle, second center of circle and the 3rd center of circle; Obtain corresponding the first radius, the second radius and the 3rd radius according to service base platform, the first base station with the received signal strength of the second base station respectively; Choosing these a little centers of circle is the first intersection area (step S408) with a common factor of corresponding multiple border circular areas that radius forms.
Continue referring to Fig. 4, calculating current position method 400 also comprises: sequentially judge that working as the second base station group has N base station to N-K the intersection area that has K+1 base station, and by deducting this little N-K intersection area in the first intersection area that has K base station to obtain when the second base station group, to obtain the current region (step S410) of communication device.In addition, in the time that service base platform changes, upgrade the first base station group and the second base station group (step S412).In the time that communication device 305 moves again, setting current region is the initial position (step S414) that next time calculates the computing of current position.It is worth mentioning that at this, above-mentioned step S401～S414 running that can circulate, and part steps can be carried out simultaneously.
But while having the reception signal enhancing of two base stations, situation is comparatively complicated.Fig. 3 H be one embodiment of the invention because communication device moves the schematic diagram that the reception signal of two base stations strengthens, please refer to Fig. 3 H, two base stations that now correct reception signal strengthens are base station Cell 3, Cell 4.But, except deleting the part overlapping with the above-mentioned intersection area that has six base stations, has five base stations, has four base stations and have three base stations reception signals to strengthen, also want additionally delete again the intersection area of other two groups of vicissitudinous two base stations of reception signal.This with reference to Fig. 3 H, have in addition base station Cell 2, Cell 3 and need to additionally delete with the intersection area of base station Cell 4, Cell 5 again.The current region that so, can more dwindle communication device 305 is the region that is denoted as oblique line in Fig. 3 H.When below the reception signal that arranges two base stations with Fig. 5 enhancing, calculate each step of current position method.
Fig. 5 is that the reception signal that has two base stations of one embodiment of the invention calculates the flow chart of current position method while strengthening.Referring to Fig. 4 and Fig. 5, method 500 comprises the following steps.Taking one the 3rd base station of the most contiguous the first base station outside the second base station group as the 4th center of circle, obtain the 4th corresponding radius according to the received signal strength of the 3rd base station, and the common factor of choosing first center of circle, second center of circle and the 4th center of circle and corresponding multiple border circular areas that radius forms is the second intersection area (step S502).Similar ground, taking one the 4th base station of the most contiguous the second base station outside the second base station group as the 5th center of circle, obtain the 5th corresponding radius according to the received signal strength of the 4th base station, and the common factor of choosing first center of circle, the 3rd center of circle and the 5th center of circle and corresponding multiple border circular areas that radius forms is the 3rd intersection area (step S504).By deducting the second intersection area and the 3rd intersection area in the first intersection area to obtain the current region (step S506) of communication device 305.Except above-mentioned calculating current position method, the present invention can also further provide a kind of anti-communication device stolen method.Each step of the stolen method of anti-communication device will be introduced with Fig. 6 below.
Fig. 6 is the flow chart of the stolen method of anti-communication device of another embodiment of the present invention.Please refer to Fig. 6, the stolen method 600 of anti-communication device comprises the following steps.One far end device by the communication module group of a communication device 305 110 by a resting state start (step S602).Communication module group 110 starts the tracking mobile route module 140 (step S604) of communication device 305.Obtain a base station identification code of each base station of the first base station group at an initial position, and obtain respectively the geographical position (step S606) of these a little base stations according to these a little base station identification codes.Base station identification code described herein comprises being for example network country code (the Network Country Code in gsm system or WCDMA system, referred to as: NCC), action national code (Mobility Country Code, referred to as: MCC), location area code (Location AreaCode, referred to as: LAC) with base station code (Cell Identity, referred to as: Cell ID).By characteristics such as above-mentioned NCC, MCC, LAC and Cell ID, can contrast telecommunication operator and build the geographical position of one or more base station.In addition, can also pass through software, the characteristics such as NCC, MCC, LAC and the Cell ID that such as Google map cause is above-mentioned, inquire the geographical position of one or more base station.
Continue referring to Fig. 1 and Fig. 6, come the current region (step S608) of computer communication device 305 according to service base platform and the information of contiguous base station.This, the current region of calculating current position method 500 and obtain communication device 305 when utilizing above-mentioned calculating current position method 400 and having the reception signal of two base stations to strengthen.Record constantly the current region of communication device 305 to record a travel path (step S610) of communication device.Return travel path or at present region are to far end device (step S612).It is worth mentioning that at this, above-mentioned step S401～S414 running that can circulate, and part steps can be carried out simultaneously.In addition, in other embodiment of the present invention, provide another kind of anti-communication device stolen method, it can for example, in the time that far end device approaches this communication device 305 (: distance is less than 5 meters between the two), start the alarm device 150 in communication device 305 by contact communication module group 110, produce alarm effect with high-decibel audio alert mode or high brightness optics warning way, further to confirm the tram of communication module group 110 in short range.
In sum, multiple embodiment of the present invention provides a kind of communication device that calculates current position method, the stolen method of anti-communication device and use the method.Described calculating current position method is by the received signal strength of detecting base station, and the each base station increasing taking received signal strength is as the center of circle, and the multiple border circular areas that utilize the corresponding received signal strength of each base station to form for radius.The current region that the common factor of suitably choosing these a little border circular areas is communication device.In addition, it is a travel path that the stolen method of anti-communication device also further records current region constantly, and suitably returns current region and travel path to far end device.
Although the present invention discloses as above with embodiment; but it is not intended to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; can suitably change or be equal to replacement, therefore protection scope of the present invention should be as the criterion with the scope that claims were defined.
Claims (4)
1. calculate a current position method, be applicable to a communication device, wherein said communication device is registered in a service base platform, it is characterized in that, described calculating current position method comprises:
By at least N contiguous described service base platform contiguous base station and described service base platform composition one first base station group;
When described communication device moves, detect respectively the received signal strength corresponding to each base station in described the first base station group, and K base station composition one second base station group, the wherein 2≤K≤N that described received signal strength is increased;
Sequentially judge when there be N base station in the second base station group and have N-K intersection area of K+1 base station to working as described the second base station group, and by deducting a described N-K intersection area in one first intersection area that has K base station to obtain when described the second base station group, to obtain a current region of described communication device;
Judge in described the second base station group to there is each other one first base station and one second base station of a maximum angle as axle center taking an initial position of described communication device;
Respectively taking described service base platform, described the first base station and described the second base station as one first center of circle, one second center of circle and one the 3rd center of circle, obtain corresponding one first radius, one second radius and one the 3rd radius according to described service base platform, described the first base station with the received signal strength of described the second base station respectively, and choose described first center of circle, described second center of circle and described the 3rd center of circle and occur simultaneously for described the first intersection area with one of corresponding described the first radius, described the second radius and described the 3rd multiple border circular areas that radius forms;
In the time that described service base platform changes, upgrade described the first base station group and described the second base station group; And
In the time that described communication device moves again, setting described current region is the described initial position that next time calculates the computing of current position,
Wherein, in the time of K=2, described calculating current position method also comprises:
Taking one the 3rd base station of the most contiguous described the first base station outside described the second base station group as one the 4th center of circle, described received signal strength according to described the 3rd base station obtains one the 4th corresponding radius, and choose described first center of circle, described second center of circle is one second intersection area with described the 4th center of circle with a common factor of corresponding described the first radius, described the second radius and described the 4th multiple border circular areas that radius forms;
Taking one the 4th base station of the most contiguous described the second base station outside described the second base station group as one the 5th center of circle, described received signal strength according to described the 4th base station obtains one the 5th corresponding radius, and choose described first center of circle, described the 3rd center of circle is one the 3rd intersection area with described the 5th center of circle with a common factor of corresponding described the first radius, described the 3rd radius and described the 5th multiple border circular areas that radius forms; And
By additionally deducting described the second intersection area and described the 3rd intersection area in described the first intersection area to obtain described current region.
2. a communication device, is characterized in that, comprising:
One communication module group, for forming one first base station group by least N contiguous a service base platform contiguous base station and described service base platform;
One follows the trail of mobile route module, for in the time that described communication device moves, detect respectively the received signal strength corresponding to each base station in described the first base station group, and K base station composition one second base station group, the wherein 2≤K≤N that described received signal strength is increased;
Described tracking mobile route module is in the time that described communication device moves, sequentially judge when there be N base station in described the second base station group and have N-K intersection area of K+1 base station to working as described the second base station group, and by deducting a described N-K intersection area in one first intersection area that has K base station to obtain when described the second base station group, to obtain a current region of described communication device;
Described tracking mobile route module also judges in described the second base station group to have each other one first base station and one second base station of a maximum angle as axle center taking an initial position of described communication device;
Described tracking mobile route module is also respectively with described service base platform, described the first base station and described the second base station are one first center of circle, one second center of circle and one the 3rd center of circle, respectively according to described service base platform, described the first base station obtains one first corresponding radius with the described received signal strength of described the second base station, one second radius and one the 3rd radius, and choose described first center of circle, described second center of circle and described the 3rd center of circle and corresponding described the first radius, one of described the second radius and described the 3rd multiple border circular areas that radius forms occur simultaneously for described the first intersection area,
In the time that described service base platform changes, described communication module group upgrades described the first base station group and described tracking mobile route module upgrades described the second base station group; And
In the time that described communication device moves again, it is the described initial position that next time calculates the computing of current position that described tracking mobile route module is set described current region,
Wherein, in the time of K=2,
Described tracking mobile route module is taking one the 3rd base station of the most contiguous described the first base station outside described the second base station group as one the 4th center of circle, described received signal strength according to described the 3rd base station obtains one the 4th corresponding radius, and choose described first center of circle, described second center of circle is one second intersection area with described the 4th center of circle with a common factor of corresponding described the first radius, described the second radius and described the 4th multiple border circular areas that radius forms;
Described tracking mobile route module is taking one the 4th base station of the most contiguous described the second base station outside described the second base station group as one the 5th center of circle, described received signal strength according to described the 4th base station obtains one the 5th corresponding radius, and choose described first center of circle, described the 3rd center of circle is one the 3rd intersection area with described the 5th center of circle with a common factor of corresponding described the first radius, described the 3rd radius and described the 5th multiple border circular areas that radius forms; And
Described tracking mobile route module is by additionally deducting described the second intersection area and described the 3rd intersection area in described the first intersection area to obtain described current region.
3. the stolen method of anti-communication device, is applicable to be registered in a communication device of a service base platform, it is characterized in that, the stolen method of described anti-communication device comprises:
By at least N contiguous described service base platform contiguous base station and described service base platform composition one first base station group;
When described communication device moves, detect respectively the received signal strength corresponding to each base station in described the first base station group, and K base station composition one second base station group, the wherein 2≤K≤N that described received signal strength is increased;
When described communication device moves, sequentially judge when there be N base station in described the second base station group and have N-K intersection area of K+1 base station to working as described the second base station group, and by deducting a described N-K intersection area in one first intersection area that has K base station to obtain when described the second base station group, to obtain a current region of described communication device;
Record constantly the described current region of described communication device to record a travel path of described communication device;
Return described travel path or described current region to far end device;
Described far end device is started a communication module group of described communication device by a resting state;
Described communication module group starts one of described communication device and follows the trail of mobile route module;
Obtain a base station identification code of each base station of described the first base station group at initial position, and obtain respectively a geographical position of multiple described base stations according to multiple described base station identification codes;
According to the multiple described geographical position of multiple described base stations, judge a geographical position in described current region;
Judge in described the second base station group to there is each other one first base station and one second base station of a maximum angle as axle center taking the described initial position of described communication device;
Respectively taking described service base platform, described the first base station and described the second base station as one first center of circle, one second center of circle and one the 3rd center of circle, obtain corresponding one first radius, one second radius and one the 3rd radius according to described service base platform, described the first base station with the described received signal strength of described the second base station respectively, and choose described first center of circle, described second center of circle and described the 3rd center of circle and occur simultaneously for described the first intersection area with one of corresponding described the first radius, described the second radius and described the 3rd multiple border circular areas that radius forms;
In the time that described service base platform changes, upgrade described the first base station group and described the second base station group; And
In the time that described communication device moves again, choosing described current region is the described initial position that next time calculates the computing of current position,
Wherein, in the time of K=2, the stolen method of described anti-communication device also comprises:
Taking one the 3rd base station of the most contiguous described the first base station outside described the second base station group as one the 4th center of circle, described received signal strength according to described the 3rd base station obtains one the 4th corresponding radius, and choose described first center of circle, described second center of circle is one second intersection area with described the 4th center of circle with a common factor of corresponding described the first radius, described the second radius and described the 4th multiple border circular areas that radius forms;
Taking one the 4th base station of the most contiguous described the second base station outside described the second base station group as one the 5th center of circle, described received signal strength according to described the 4th base station obtains one the 5th corresponding radius, and choose described first center of circle, described the 3rd center of circle is one the 3rd intersection area with described the 5th center of circle with a common factor of corresponding described the first radius, described the 3rd radius and described the 5th multiple border circular areas that radius forms; And
By additionally deducting described the second intersection area and described the 3rd intersection area in described the first intersection area to obtain described current region.
4. a communication device, described communication device is registered in a service base platform, it is characterized in that, and described communication device comprises:
One communication module group, for forming one first base station group by least N contiguous described service base platform contiguous base station and described service base platform;
One follows the trail of mobile route module, for in the time that described communication device moves, detect respectively the received signal strength corresponding to each base station in described the first base station group, and K the base station composition one second base station group that described received signal strength is increased, wherein 2≤K≤N, wherein, a far end device is started described tracking mobile route module by described communication module group by a resting state;
Described tracking mobile route module is in the time that described communication device moves, sequentially judge when there be N base station in described the second base station group and have N-K intersection area of K+1 base station to working as described the second base station group, and by deducting a described N-K intersection area in one first intersection area that has K base station to obtain when described the second base station group, to obtain a current region of described communication device;
Described tracking mobile route module records the described current region of described communication device constantly to record a travel path of described communication device;
Described tracking mobile route module is the described travel path of return or described current region to far end device further;
Described tracking mobile route module obtains a base station identification code of each base station of described the first base station group at an initial position, and obtains respectively a geographical position of multiple described base stations according to multiple described base station identification codes;
Described tracking mobile route module, according to the multiple described geographical position of multiple described base stations, is judged a geographical position in described current region;
Described tracking mobile route module judges in described the second base station group to have each other one first base station and one second base station of a maximum angle as axle center taking the described initial position of described communication device;
Described tracking mobile route module is respectively with described service base platform, described the first base station and described the second base station are one first center of circle, one second center of circle and one the 3rd center of circle, respectively according to described service base platform, described the first base station obtains one first corresponding radius with the described received signal strength of described the second base station, one second radius and one the 3rd radius, and choose described first center of circle, described second center of circle and described the 3rd center of circle and corresponding described the first radius, one of described the second radius and described the 3rd multiple border circular areas that radius forms occur simultaneously for described the first intersection area,
In the time that described service base platform changes, described communication module group upgrades described the first base station group and described tracking mobile route module upgrades described the second base station group; And
In the time that described communication device moves again, it is the described initial position that next time calculates the computing of current position that described tracking mobile route module is chosen described current region,
Wherein, in the time of K=2,
Described tracking mobile route module is taking one the 3rd base station of the most contiguous described the first base station outside described the second base station group as one the 4th center of circle, described received signal strength according to described the 3rd base station obtains one the 4th corresponding radius, and choose described first center of circle, described second center of circle is one second intersection area with described the 4th center of circle with a common factor of corresponding described the first radius, described the second radius and described the 4th multiple border circular areas that radius forms;
Described tracking mobile route module is taking one the 4th base station of the most contiguous described the second base station outside described the second base station group as one the 5th center of circle, described received signal strength according to described the 4th base station obtains one the 5th corresponding radius, and choose described first center of circle, described the 3rd center of circle is one the 3rd intersection area with described the 5th center of circle with a common factor of corresponding described the first radius, described the 3rd radius and described the 5th multiple border circular areas that radius forms; And
Described tracking mobile route module is by additionally deducting described the second intersection area and described the 3rd intersection area in described the first intersection area to obtain described current region.
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| CN1447129A (en) * | 2002-03-22 | 2003-10-08 | 张千山 | Spatial position measuring method and device based on radius difference or radius sum |
| CN1867135A (en) * | 2006-02-28 | 2006-11-22 | 华为技术有限公司 | Method for positioning user terminal and user terminal |
| CN1977563A (en) * | 2004-06-30 | 2007-06-06 | Sk电信有限公司 | Method of providing alarm service upon movement out of safety zone |
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| DE60209051T2 (en) * | 2001-04-20 | 2006-10-26 | Lg Electronics Inc. | Location determination of a mobile communication terminal based on a combination of measurements of signals exchanged between the mobile communication terminal and base stations |
| DE102006044293A1 (en) * | 2006-03-31 | 2007-10-25 | Siemens Ag | Computerized method for mobile object localization, involves measuring characteristics of number of base stations using reference map, where base station characterizes field transmitted by base station at object |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1447129A (en) * | 2002-03-22 | 2003-10-08 | 张千山 | Spatial position measuring method and device based on radius difference or radius sum |
| CN1977563A (en) * | 2004-06-30 | 2007-06-06 | Sk电信有限公司 | Method of providing alarm service upon movement out of safety zone |
| CN1867135A (en) * | 2006-02-28 | 2006-11-22 | 华为技术有限公司 | Method for positioning user terminal and user terminal |
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