CN102118850B - Method for realizing positioning by mobile communication signals and system - Google Patents
Method for realizing positioning by mobile communication signals and system Download PDFInfo
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- CN102118850B CN102118850B CN2010100038392A CN201010003839A CN102118850B CN 102118850 B CN102118850 B CN 102118850B CN 2010100038392 A CN2010100038392 A CN 2010100038392A CN 201010003839 A CN201010003839 A CN 201010003839A CN 102118850 B CN102118850 B CN 102118850B
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Abstract
The invention relates to a method for realizing positioning by mobile communication signals, wherein base stations transmit a plurality of electromagnetic beams by a plurality of antennas; and each electromagnetic beam is transmitted in different directions and contains specific direction information. The method comprises the following steps: S1, detecting the electromagnetic beams received by a mobile terminal and judging the strongest electromagnetic beam which is transmitted by each base station and has the strongest capability of receiving energy; S2, respectively acquiring the direction information contained by each strongest electromagnetic beam; and S3, obtaining position information of the mobile terminal according to direction information intersection contained by the plurality of strongest electromagnetic beams. The invention also relates to a system for realizing position by the mobile communication signals. In the invention, the positioning accuracy is higher, the error can be controlled in 100m, and the need of a user can be met better.
Description
Technical field
The present invention relates to the mobile communication technology field, more particularly, relate to a kind of method and system that realize location by mobile communication signal.
Background technology
Along with popularizing of mobile phone, the mobile phone location also becomes more and more popular, can be for application such as warning, emergency relief, tourism and vehicle managements.At present, the mobile phone location is mainly that the signal of a plurality of base stations around the mobile phone by receiving positions, do not need to revise the hardware of mobile phone, cost is lower, but, due to the complexity of metropolis environment, signal can be through reflection, diffraction or scattering etc., due to the signal due in difference of different propagated in communication process, will produce time delay spread, multichannel is through effect.Simultaneously, due to the signal phase of different propagated different (even fully contrary), the amplitude of synthetic signal changes fast, thereby forms decline.When the signal by receiving positions, will cause positioning result inaccurate, positioning precision is lower, and error is generally 200 meters left and right, and positioning precision is lower, can't meet better user's needs.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of method and system that realize location by mobile communication signal.
One of the technical solution adopted for the present invention to solve the technical problems is: construct a kind of method that realizes location by mobile communication signal, wherein base station is by a plurality of electromagnetic beams of a plurality of antenna transmissions, each electromagnetic beam is launched with different directions and is comprised specific directional information, and it comprises the following steps:
S1: detect the electromagnetic beam that mobile terminal receives, and determine that each base station sends there is the strong electromagnetic wave beam that strong cohesiveness is received energy;
S2: obtain respectively the directional information that each strong electromagnetic wave beam comprises;
S3: the directional information comprised according to a plurality of strong electromagnetic wave beams is intersected the positional information that obtains mobile terminal.
The described method of the invention described above, described step S2 comprises:
Obtain respectively the antenna pattern of each strong electromagnetic wave beam.
The described method of the invention described above, described step S3 comprises:
S31: the antenna pattern of the strong electromagnetic wave beam sent respectively according to two antennas of same base station obtains described two antennas and sends the horizontal direction line that signal strength signal intensity is identical, and described horizontal direction line is divided into upper half-space and the lower half-space by horizontal space;
S32: the signal strength signal intensity of the strong electromagnetic wave beam in judgement upper half-space and the lower half-space, if the signal strength signal intensity of the strong electromagnetic wave beam of upper half-space is greater than the signal strength signal intensity of the strong electromagnetic wave beam of the lower half-space, mobile terminal is upper half-space with respect to azimuthal scope of this base station so, otherwise mobile terminal is the lower half-space with respect to azimuthal scope of this base station;
S33: obtain respectively the azimuthal scope of mobile terminal with respect to a plurality of base stations, and ask for the plurality of azimuthal scope crossover range in the horizontal direction;
S34: ask for the center of described crossover range, described center is the position location of described mobile terminal.
Two of the technical solution adopted for the present invention to solve the technical problems is: construct a kind of system that realizes location by mobile communication signal, wherein base station is by a plurality of electromagnetic beams of a plurality of antenna transmissions, each electromagnetic beam is launched with different directions and is comprised specific directional information, and it comprises:
Signal receives and judging unit: it detects the electromagnetic beam that mobile terminal receives, and determine that each base station sends there is the strong electromagnetic wave beam that strong cohesiveness is received energy;
The directional information acquiring unit: it obtains respectively the directional information that each strong electromagnetic wave beam comprises;
The position location identifying unit: its directional information comprised according to a plurality of strong electromagnetic wave beams is intersected the positional information that obtains mobile terminal;
Described signal reception and judging unit, directional information acquiring unit are connected with sequenced communications successively.
The described system of the invention described above, described directional information is antenna pattern.
The described system of the invention described above, the position location identifying unit comprises:
Horizontal direction line acquiring unit: the antenna pattern of the strong electromagnetic wave beam that it sends respectively according to two antennas of same base station obtains described two antennas and sends the horizontal direction line that signal strength signal intensity is identical, and described horizontal direction line is divided into upper half-space and the lower half-space by horizontal space;
Azimuthal scope acquiring unit: the signal strength signal intensity of the strong electromagnetic wave beam in its judgement upper half-space and lower half-space, if the signal strength signal intensity of the strong electromagnetic wave beam of upper half-space is greater than the signal strength signal intensity of the strong electromagnetic wave beam of the lower half-space, mobile terminal is upper half-space with respect to azimuthal scope of this base station so, otherwise mobile terminal is the lower half-space with respect to azimuthal scope of this base station;
Crossover range acquiring unit: obtain respectively the azimuthal scope of mobile terminal with respect to a plurality of base stations, and ask for the plurality of azimuthal scope crossover range in the horizontal direction;
The position location acquiring unit: it asks for the center of described crossover range, and described center is the position location of described mobile terminal;
Described horizontal direction line acquiring unit, azimuthal scope acquiring unit, crossover range acquiring unit are connected with position location acquiring unit sequenced communications successively.
Implement the method and system that realize location by mobile communication signal of the present invention, have following beneficial effect: positioning precision is higher, and error can be controlled in 100 meters, can meet better user's needs.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is that the present invention realizes the flow chart of the method for location by mobile communication signal;
To be the present invention realize the particular flow sheet of a preferred embodiment of the method for location by mobile communication signal to Fig. 2;
Fig. 3 is that two antennas of same base station in the present invention are by the schematic diagram of horizontal space dimidiation;
Fig. 4 is the diagram of azimuthal scope crossover range in the horizontal direction of a plurality of base stations in the present invention;
Fig. 5 is that the present invention realizes the block diagram of the system of location by mobile communication signal;
Fig. 6 is the block diagram of position location judging unit in the system that realizes locating by mobile communication signal.
Embodiment
As shown in Figure 1, be that the present invention realizes the flow chart of the method for location by mobile communication signal.Base station is by a plurality of electromagnetic beams of a plurality of antenna transmissions, and each electromagnetic beam is launched with different directions and comprised specific directional information, of the present inventionly by mobile communication signal, realizes that the method for location mainly comprises the following steps:
Step S0: start;
Step S1: detect the electromagnetic beam that mobile terminal receives, and determine that each base station sends there is the strong electromagnetic wave beam that strong cohesiveness is received energy;
Step S2: obtain respectively the directional information that each strong electromagnetic wave beam comprises;
Step S3: the directional information comprised according to a plurality of strong electromagnetic wave beams is intersected the positional information that obtains mobile terminal;
Step S4: finish.
As shown in Figure 2, being the present invention realizes the particular flow sheet of a preferred embodiment of the method for location by mobile communication signal.The directional information that the present embodiment each strong electromagnetic wave beam based in step S2 comprises is that antenna pattern is set forth explanation, mainly comprises the following steps:
Step S0: start;
Step S1: detect the electromagnetic beam that mobile terminal receives, and determine that each base station sends there is the strong electromagnetic wave beam that strong cohesiveness is received energy;
Step S2: obtain respectively the directional information that each strong electromagnetic wave beam comprises, described directional information is antenna pattern;
Step S3 mainly comprises step by step following:
S31 step by step: the antenna pattern of the strong electromagnetic wave beam sent respectively according to two antennas of same base station obtains described two antennas and sends the horizontal direction line that signal strength signal intensity is identical, and described horizontal direction line is divided into upper half-space and the lower half-space by horizontal space;
S32 step by step: the signal strength signal intensity of the strong electromagnetic wave beam in judgement upper half-space and the lower half-space, if the signal strength signal intensity of the strong electromagnetic wave beam of upper half-space is greater than the signal strength signal intensity of the strong electromagnetic wave beam of the lower half-space, mobile terminal is upper half-space with respect to azimuthal scope of this base station so, otherwise mobile terminal is the lower half-space with respect to azimuthal scope of this base station;
S33 step by step: obtain respectively the azimuthal scope of mobile terminal with respect to a plurality of base stations, and ask for the plurality of azimuthal scope crossover range in the horizontal direction;
S34 step by step: ask for the center of described crossover range, described center is the position location of described mobile terminal;
Step S4: finish.
In step S3, described a plurality of base stations are at least 3 base stations.
Preferably, in step S34, if described crossover range is triangle, described center can be the heart of described crossover range, also can be the center of gravity of described crossover range, certainly, if base station to mobile terminal the distance very near, error range will be very little.
As shown in Figure 3, be that two antennas of same base station in the present invention are by the schematic diagram of horizontal space dimidiation.Wherein, straight line M is the horizontal direction line.The antenna pattern of the strong electromagnetic wave beam sent respectively according to two antennas of same base station obtains described two antennas and sends the horizontal direction line that signal strength signal intensity is identical, and this horizontal direction line is divided into upper half-space and the lower half-space by horizontal space.
As shown in Figure 4, be the diagram of azimuthal scope crossover range in the horizontal direction of a plurality of base stations in the present invention.Wherein, A, B, C, D and E place are provided with respectively base station, and regional S represents this crossover range, and so, the center of this crossover range S is the position location of mobile terminal.Positioning precision of the present invention is higher, and error can be controlled in 100 meters, can meet better user's needs.
As shown in Figure 5, be that the present invention realizes the block diagram of the system of location by mobile communication signal.Base station is by a plurality of electromagnetic beams of a plurality of antenna transmissions, each electromagnetic beam is launched with different directions and is comprised specific directional information, realize that by mobile communication signal the system of location mainly comprises that signal receives and judging unit 1, directional information acquiring unit 2 and position location identifying unit 3 in the present invention, and signal receives and judging unit 1, directional information acquiring unit 2 and position location identifying unit 3 sequenced communications successively are connected.
Wherein, signal receives and judging unit 1 detects the electromagnetic beam that mobile terminal receives, and determine that each base station sends there is the strong electromagnetic wave beam that strong cohesiveness is received energy;
Directional information acquiring unit 2 obtains respectively the directional information that each strong electromagnetic wave beam comprises, and wherein said directional information is antenna pattern;
The directional information that position location identifying unit 3 comprises according to a plurality of strong electromagnetic wave beams is intersected the positional information that obtains mobile terminal.
As shown in Figure 6, be the block diagram of position location judging unit in the system that realizes locating by mobile communication signal.This position location identifying unit 3 comprises horizontal direction line acquiring unit 310, azimuthal scope acquiring unit 320, crossover range acquiring unit 330 and position location acquiring unit 340, and horizontal direction line acquiring unit 310, azimuthal scope acquiring unit 320, crossover range acquiring unit 330 are connected with position location acquiring unit 340 sequenced communications successively.
Wherein, the antenna pattern of the strong electromagnetic wave beam that horizontal direction line acquiring unit 310 sends according to two antennas of same base stations obtains described two antennas and sends the horizontal direction line that signal strength signal intensity is identical, and described horizontal direction line is divided into upper half-space and the lower half-space by horizontal space.
The signal strength signal intensity of the strong electromagnetic wave beam in azimuthal scope acquiring unit 320 judgement upper half-spaces and the lower half-space, if the signal strength signal intensity of the strong electromagnetic wave beam of upper half-space is greater than the signal strength signal intensity of the strong electromagnetic wave beam of the lower half-space, mobile terminal is upper half-space with respect to azimuthal scope of this base station so, otherwise mobile terminal is the lower half-space with respect to azimuthal scope of this base station.
Crossover range acquiring unit 330 obtains respectively the azimuthal scope of mobile terminal with respect to a plurality of base stations, and asks for the plurality of azimuthal scope crossover range in the horizontal direction.Wherein, described a plurality of base station is at least 3 base stations.
Position location acquiring unit 340 is asked for the center of described crossover range, and described center is the position location of described mobile terminal.
Preferably, if described crossover range is triangle, described center can be the heart of described crossover range, also can be the center of gravity of described crossover range.
In addition, described strong electromagnetic wave beam has for what each antenna sent an electromagnetic beam that strong cohesiveness is received energy, also is the electromagnetic beam with maximum received energy that each antenna sends.
Described mobile terminal is defined in mobile phone incessantly, and this can expand to the communication equipment with electromagnetic beam that the antenna that can receive base station sends.
The present invention does not need mobile phone hardware is modified, and only needing to increase software module can realize.
The foregoing is only embodiments of the invention, not in order to limit the present invention, all any modifications of doing in the spirit and principles in the present invention, be equal to and replace or improvement etc., all should be included in protection scope of the present invention.
Claims (2)
1. a method that realizes location by mobile communication signal, wherein base station is by a plurality of electromagnetic beams of a plurality of antenna transmissions, and each electromagnetic beam is launched with different directions and is comprised specific directional information, it is characterized in that, comprises the following steps:
S1: detect the electromagnetic beam that mobile terminal receives, and determine that each base station sends there is the strong electromagnetic wave beam that strong cohesiveness is received energy;
S2: obtain respectively the directional information that each strong electromagnetic wave beam comprises;
S3: the directional information comprised according to a plurality of strong electromagnetic wave beams is intersected the positional information that obtains mobile terminal;
Described step S2 comprises:
Obtain respectively the antenna pattern of each strong electromagnetic wave beam;
Described step S3 comprises:
S31: the antenna pattern of the strong electromagnetic wave beam sent respectively according to two antennas of same base station obtains described two antennas and sends the horizontal direction line that signal strength signal intensity is identical, and described horizontal direction line is divided into upper half-space and the lower half-space by horizontal space;
S32: the signal strength signal intensity of the strong electromagnetic wave beam in judgement upper half-space and the lower half-space, if the signal strength signal intensity of the strong electromagnetic wave beam of upper half-space is greater than the signal strength signal intensity of the strong electromagnetic wave beam of the lower half-space, mobile terminal is upper half-space with respect to azimuthal scope of this base station so, otherwise mobile terminal is the lower half-space with respect to azimuthal scope of this base station;
S33: obtain respectively the azimuthal scope of mobile terminal with respect to a plurality of base stations, and ask for the plurality of azimuthal scope crossover range in the horizontal direction;
S34: ask for the center of described crossover range, described center is the position location of described mobile terminal.
2. a system that realizes location by mobile communication signal, wherein base station is by a plurality of electromagnetic beams of a plurality of antenna transmissions, and each electromagnetic beam is launched with different directions and is comprised specific directional information, it is characterized in that, comprising:
Signal receives and judging unit: it detects the electromagnetic beam that mobile terminal receives, and determine that each base station sends there is the strong electromagnetic wave beam that strong cohesiveness is received energy;
The directional information acquiring unit: it obtains respectively the directional information that each strong electromagnetic wave beam comprises;
The position location identifying unit: its directional information comprised according to a plurality of strong electromagnetic wave beams is intersected the positional information that obtains mobile terminal;
Described signal reception and judging unit, directional information acquiring unit and position location identifying unit sequenced communications successively are connected;
Described directional information is antenna pattern;
Described position location identifying unit comprises:
Horizontal direction line acquiring unit: the antenna pattern of the strong electromagnetic wave beam that it sends respectively according to two antennas of same base station obtains described two antennas and sends the horizontal direction line that signal strength signal intensity is identical, and described horizontal direction line is divided into upper half-space and the lower half-space by horizontal space;
Azimuthal scope acquiring unit: the signal strength signal intensity of the strong electromagnetic wave beam in its judgement upper half-space and lower half-space, if the signal strength signal intensity of the strong electromagnetic wave beam of upper half-space is greater than the signal strength signal intensity of the strong electromagnetic wave beam of the lower half-space, mobile terminal is upper half-space with respect to azimuthal scope of this base station so, otherwise mobile terminal is the lower half-space with respect to azimuthal scope of this base station;
Crossover range acquiring unit: obtain respectively the azimuthal scope of mobile terminal with respect to a plurality of base stations, and ask for the plurality of azimuthal scope crossover range in the horizontal direction;
The position location acquiring unit: it asks for the center of described crossover range, and described center is the position location of described mobile terminal;
Described horizontal direction line acquiring unit, azimuthal scope acquiring unit, crossover range acquiring unit are connected with position location acquiring unit sequenced communications successively.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103874190A (en) * | 2012-12-10 | 2014-06-18 | 北京三星通信技术研究有限公司 | Positioning method of UE |
| CN105704845A (en) * | 2014-11-28 | 2016-06-22 | 深圳桑菲消费通信有限公司 | Method and device for using multi-mode phased array antenna |
| US9936352B2 (en) * | 2015-02-02 | 2018-04-03 | Qualcomm, Incorporated | Techniques for estimating distance between wireless communication devices |
| WO2017107068A1 (en) * | 2015-12-22 | 2017-06-29 | 华为技术有限公司 | Terminal positioning method, apparatus and system |
| CN106027131A (en) * | 2016-07-25 | 2016-10-12 | 清华大学 | Base station and beam forming method |
| CN110022566B (en) * | 2018-01-10 | 2022-05-27 | 深圳捷豹电波科技有限公司 | Wireless communication control method, radio device and apparatus |
| US11197174B1 (en) | 2020-07-15 | 2021-12-07 | Shenzhen Jaguar Wave Technology Ltd. | Method for controlling wireless communication, radio device, and storage device |
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| US5907809A (en) * | 1994-01-11 | 1999-05-25 | Ericsson Inc. | Position determination using multiple base station signals |
| CN1689370A (en) * | 2002-09-23 | 2005-10-26 | 诺基亚公司 | Terminal location |
| CN101384070A (en) * | 2007-09-06 | 2009-03-11 | 大唐移动通信设备有限公司 | Mobile terminal positioning method, device and system |
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| US5907809A (en) * | 1994-01-11 | 1999-05-25 | Ericsson Inc. | Position determination using multiple base station signals |
| CN1689370A (en) * | 2002-09-23 | 2005-10-26 | 诺基亚公司 | Terminal location |
| CN101384070A (en) * | 2007-09-06 | 2009-03-11 | 大唐移动通信设备有限公司 | Mobile terminal positioning method, device and system |
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