CN103957594A - Method and device for positioning terminal - Google Patents
Method and device for positioning terminal Download PDFInfo
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- CN103957594A CN103957594A CN201410181398.3A CN201410181398A CN103957594A CN 103957594 A CN103957594 A CN 103957594A CN 201410181398 A CN201410181398 A CN 201410181398A CN 103957594 A CN103957594 A CN 103957594A
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Abstract
The embodiment of the invention discloses a method and device for positioning a terminal. The method for positioning the terminal comprises the steps of receiving a wireless signal sent by the target terminal, acquiring the strength of the received wireless signal, acquiring the relationship between prestored signal strength and the distance, and determining the distance to the target terminal according to the strength of the wireless signal and the relationship between the prestored signal strength and the distance. By means of the method and device for positioning the terminal, the target terminal can be positioned in a small range, the positioning accuracy can be improved, and user experience can be improved.
Description
Technical field
The present invention relates to electronic technology field, relate in particular to a kind of method and device of terminal positioning.
Background technology
For example smart mobile phone of existing terminal or PAD (Portable Device, portable set) etc., can pass through GPS (Global Positioning System, global positioning system) location technology realizes the anti-lost function of self, wherein after lost terminal, the terminal that can lose by network technology control is opened GPS, thereby obtain the positional information (for example latitude and longitude coordinates) of terminal by GPS location technology, and on electronic chart, mark the position of terminal.
The positional information of the terminal that existing GPS location technology gets is not concrete information, and in the time of for example detail location of the distance locating terminal of 50 meters among a small circle and orientation, GPS cannot normally work.
Summary of the invention
The embodiment of the present invention provides a kind of method and device of terminal positioning, can improve positioning precision, promotes user and experiences.
The embodiment of the present invention provides a kind of method of terminal positioning, comprising:
The wireless signal that receiving target terminal sends;
The intensity of the wireless signal receiving described in obtaining;
Obtain the signal strength signal intensity that prestores and the relation of distance;
According to the intensity of described wireless signal and described in the signal strength signal intensity that prestores and the relation of distance, determine the distance of described target terminal.
Correspondingly, the embodiment of the present invention also provides a kind of terminal positioning device, comprising:
Signal receiving unit, the wireless signal sending for receiving target terminal;
Signal strength signal intensity acquiring unit, for obtaining the intensity of the wireless signal that described signal receiving unit receives;
Set of relationship acquiring unit, for obtaining the signal strength signal intensity that prestores and the relation of distance;
Distance determining unit, the signal strength signal intensity prestoring described in getting for the intensity of the described wireless signal that gets according to described signal strength signal intensity acquiring unit and described set of relationship acquiring unit and the relation of distance, determine the distance of described target terminal.
Implement the embodiment of the present invention, the wireless signal sending by receiving target terminal, obtain the intensity of the wireless signal receiving, and obtain the signal strength signal intensity that prestores and the relation of distance, according to the relation of the intensity of this wireless signal and the signal strength signal intensity prestoring and distance, determine the distance of target terminal, among a small circle localizing objects terminal, improve positioning precision, promote user and experience.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic flow sheet of the method for a kind of terminal positioning that in the embodiment of the present invention, first aspect provides;
Fig. 2 is the schematic flow sheet of the method for a kind of terminal positioning that in the embodiment of the present invention, second aspect provides;
Fig. 3 is the schematic flow sheet of the method for a kind of terminal positioning that in the embodiment of the present invention, the third aspect provides;
Fig. 4 is the schematic flow sheet of the method for a kind of terminal positioning that in the embodiment of the present invention, fourth aspect provides;
Fig. 5 is the structural representation of a kind of terminal positioning device of providing in the embodiment of the present invention;
Fig. 6 is the structural representation of the distance determining unit of Fig. 5 in the embodiment of the present invention;
Fig. 7 is the interface schematic diagram of a kind of terminal positioning of providing in the embodiment of the present invention;
Fig. 8 is the interface schematic diagram of a kind of terminal positioning of providing in another embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The method of the terminal positioning in the embodiment of the present invention obtains by terminal positioning device the wireless signal that target terminal sends, and according to the relation of the intensity of wireless signal and the signal strength signal intensity prestoring and distance, determine the distance of target terminal, localizing objects terminal among a small circle, improve positioning precision, promote user and experience.The terminal positioning device of mentioning in the embodiment of the present invention can comprise mobile phone (as Android operating system mobile phone, iOS operating system mobile phone etc.), panel computer, palmtop PC, mobile internet device (MID, Mobile InternetDevices) or the mobile device such as Wearable equipment, described target terminal can comprise the terminals such as mobile phone, panel computer, palmtop PC, mobile internet device.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of the method for a kind of terminal positioning that in the embodiment of the present invention, first aspect provides, and the method for the terminal positioning in the present embodiment can comprise as shown in the figure:
Step S101, the wireless signal that receiving target terminal sends.
The wireless signal that mobile device can receiving target terminal sends.
Optionally, mobile device can transmit control signal to target terminal, so that target terminal sends wireless signal according to this control signal to mobile device, for example, installation kit for service end can be installed in advance on target terminal, installation kit for client is installed on mobile device, after target terminal is lost, mobile device can transmit control signal to target terminal by network, so that target terminal is opened Wi-Fi (Wireless Fidelity according to this control signal, Wireless Fidelity, a kind of wireless local area network technology based on IEEE802.11 standard) focus, target terminal starts to send Wi-Fi signal, and in certain distance, form coverage, the Wi-Fi signal that further mobile device receiving target terminal sends.It is to be noted, wireless signal in the present embodiment can be Wi-Fi signal, and optional, this wireless signal can also be Bluetooth signal, infrared signal or NFC (Near Field Communication, the short distance wireless communication technology) signal, etc.
Step S102, obtains the intensity of the wireless signal receiving.
Mobile device receives after the wireless signal of target terminal transmission, can obtain the intensity of this wireless signal.
Taking the interface schematic diagram of the terminal positioning shown in Fig. 7 as example, the skyborne propagation of wireless signal meeting is because of the increase signal intensity attenuation of distance, within the scope of the wireless signal 70 district that mobile device receives in the drawings, signal strength signal intensity is the strongest, along with the increase of distance, within the scope of this wireless signal 71 district signal strength signal intensity a little less than, within the scope of He73 district of this wireless signal 72 district, signal strength signal intensity weakens successively, mobile device receives after wireless signal, can determine the region that this wireless signal distributes, and the region distributing according to this wireless signal obtains the intensity of this wireless signal.
Step S103, obtains the signal strength signal intensity that prestores and the relation of distance.
Mobile device can also obtain the signal strength signal intensity that prestores and the relation of distance, and the signal strength signal intensity prestoring and the relation of distance can comprise the distance of varying strength and the corresponding target terminal thereof of this wireless signal.
Concrete, mobile device and target terminal can be at same positions, mobile device at the uniform velocity moves along fixed-direction, mobile device can obtain present speed by gravity sensor, further mobile device can be according to the distance of the current movement of Time Calculation of the present speed getting and current movement, one meter of the every increase of current displacement, mobile device obtains and stores the intensity of the wireless signal of target terminal transmission, mobile device can obtain and the relation of storage signal intensity and distance, in the time receiving the wireless signal of target terminal transmission, mobile device can obtain this pre-stored signal strength signal intensity and the relation of distance.
It is to be noted, the signal strength signal intensity prestoring and the ralation method of distance are only example, the present embodiment is including but not limited to one meter of the every increase of mobile device, the intensity of obtaining and storing the wireless signal of target terminal transmission, the ralation method of this signal strength signal intensity and distance can be revised for different scenes accordingly according to the R&D personnel.
Step S104, according to the relation of the intensity of wireless signal and the signal strength signal intensity prestoring and distance, determines the distance of target terminal.
Mobile device can, according to the relation of the intensity of the wireless signal getting and the signal strength signal intensity prestoring and distance, be determined the distance of target terminal, and optional, mobile device can also show the distance of definite target terminal.Taking the interface schematic diagram of the terminal positioning shown in Fig. 7 as example, within the scope of the intensity 71 district of the wireless signal that mobile device gets, mobile device can be according to the relation of the signal strength signal intensity prestoring and distance, the distance of determining target terminal is L1, the position that is target terminal is positioned at taking A as the center of circle, on the circle that L1 is radius.
In the method for the terminal positioning shown in Fig. 1, the wireless signal that mobile device receiving target terminal sends, obtain the intensity of this wireless signal, and obtain the signal strength signal intensity that prestores and the relation of distance, further, according to the relation of the intensity of this wireless signal and the signal strength signal intensity prestoring and distance, determine the distance of target terminal, among a small circle localizing objects terminal, improve positioning precision, promote user and experience.
Refer to Fig. 2, Fig. 2 is the schematic flow sheet of the method for a kind of terminal positioning that in the embodiment of the present invention, second aspect provides, and the method for the terminal positioning in the present embodiment can comprise as shown in the figure:
Step S201, at diverse location, the wireless signal that receiving target terminal sends.
Mobile device can be at diverse location, the wireless signal that receiving target terminal sends.Taking the interface schematic diagram of the terminal positioning shown in Fig. 7 as example, mobile device can be respectively at position A or position B, the wireless signal that receiving target terminal sends, and wherein this diverse location can comprise at least two positions.
As the optional execution mode of one, mobile device can transmit control signal to target terminal, so that target terminal sends wireless signal according to this control signal to mobile device, for example, installation kit for service end can be installed in advance on target terminal, installation kit for client is installed on mobile device, after target terminal is lost, mobile device can transmit control signal to target terminal by network, so that target terminal is opened Wi-Fi Hotspot according to this control signal, target terminal starts to send Wi-Fi signal, and in certain distance, form coverage, the Wi-Fi signal that further mobile device receiving target terminal sends.It is pointed out that the wireless signal in the present embodiment can be Wi-Fi signal, optional, this wireless signal can also be Bluetooth signal, infrared signal or NFC signal, etc.
Step S202, obtains respectively for diverse location, the intensity of the wireless signal receiving.
Mobile device, at diverse location, receives after the wireless signal of target terminal transmission, can obtain respectively for this diverse location the intensity of the wireless signal receiving.
Taking the interface schematic diagram of the terminal positioning shown in Fig. 7 as example, the skyborne propagation of wireless signal meeting is because of the increase signal intensity attenuation of distance, within the scope of the wireless signal 70 district that mobile device receives in the drawings, signal strength signal intensity is the strongest, along with the increase of distance, within the scope of this wireless signal 71 district signal strength signal intensity a little less than, within the scope of He73 district of this wireless signal 72 district, signal strength signal intensity weakens successively, mobile device receives after wireless signal at position A and position B, can obtain within the scope of the Wei71 district, region distributing for this wireless signal of position A, within the scope of the Wei72 district, region distributing for this wireless signal of position B, further determine for position A and position B, the intensity of this wireless signal.
Step S203, obtains the signal strength signal intensity that prestores and the relation of distance.Specifically can, with reference to the S103 in embodiment above, in the present embodiment, repeat no more.
Step S204, according to the relation of the intensity for diverse location wireless signal and the signal strength signal intensity prestoring and distance, determines respectively the distance of target terminal, and determines the direction of target terminal according to the distance of target terminal corresponding to diverse location.
Terminal can, according to the relation of the intensity for diverse location wireless signal and the signal strength signal intensity prestoring and distance, be determined respectively the distance of target terminal, and determines the direction of target terminal according to the distance of target terminal corresponding to diverse location.Optionally, mobile device can also show distance and the direction of definite target terminal.
In the schematic diagram of the interface of the terminal positioning shown in Fig. 7, mobile device can be according to the relation of the intensity for position A wireless signal and the signal strength signal intensity prestoring and distance, the distance of determining target terminal is L1, and the position of target terminal is positioned at taking A as the center of circle, on the circle that L1 is radius; Mobile device can also be according to for the intensity of position B wireless signal and the relation of the signal strength signal intensity prestoring and distance, the distance of determining target terminal is L2, the position that is target terminal is positioned at taking B as the center of circle, L2 is on the circle of radius, further determines the direction of target terminal according to the distance of position A and target terminal corresponding to position B.
In the method for the terminal positioning shown in Fig. 2, the wireless signal that mobile device sends in diverse location receiving target terminal, obtain respectively for diverse location, the intensity of the wireless signal receiving, and obtain the signal strength signal intensity that prestores and the relation of distance, further basis is for the intensity of diverse location wireless signal and the relation of the signal strength signal intensity prestoring and distance, determine respectively the distance of target terminal, and according to the distance of target terminal corresponding to the diverse location direction of definite target terminal respectively, localizing objects terminal among a small circle, improve positioning precision, promoting user experiences.
Refer to Fig. 3, Fig. 3 is the schematic flow sheet of the method for a kind of terminal positioning that in the embodiment of the present invention, the third aspect provides, and the method for the terminal positioning in the present embodiment can comprise as shown in the figure:
Step S301, two positions, the wireless signal that receiving target terminal sends.
Mobile device can be two positions, the wireless signal that receiving target terminal sends.Taking the interface schematic diagram of the terminal positioning shown in Fig. 7 as example, mobile device can be respectively at position A and position B, the wireless signal that receiving target terminal sends.
As the optional execution mode of one, mobile device can transmit control signal to target terminal, so that target terminal sends wireless signal according to this control signal to mobile device, for example, installation kit for service end can be installed in advance on target terminal, installation kit for client is installed on mobile device, after target terminal is lost, mobile device can transmit control signal to target terminal by network, so that target terminal is opened Wi-Fi Hotspot according to this control signal, target terminal starts to send Wi-Fi signal, and in certain distance, form coverage, the Wi-Fi signal that further mobile device receiving target terminal sends.It is pointed out that the wireless signal in the present embodiment can be Wi-Fi signal, optional, this wireless signal can also be Bluetooth signal, infrared signal or NFC signal, etc.
Step S302, obtains respectively for two positions, the intensity of the wireless signal receiving.
Mobile device, two positions, receives after the wireless signal of target terminal transmission, can obtain respectively for these two positions the intensity of the wireless signal receiving.
Taking the interface schematic diagram of the terminal positioning shown in Fig. 7 as example, the skyborne propagation of wireless signal meeting is because of the increase signal intensity attenuation of distance, within the scope of the wireless signal 70 district that mobile device receives in the drawings, signal strength signal intensity is the strongest, along with the increase of distance, within the scope of this wireless signal 71 district signal strength signal intensity a little less than, within the scope of He73 district of this wireless signal 72 district, signal strength signal intensity weakens successively, mobile device receives after wireless signal at position A and position B, can obtain within the scope of the Wei71 district, region distributing for this wireless signal of position A, within the scope of the Wei72 district, region distributing for this wireless signal of position B, further determine for position A and position B, the intensity of this wireless signal.
Step S303, obtains the signal strength signal intensity that prestores and the relation of distance.
Step S304, according to the relation of the intensity for two position wireless signals and the signal strength signal intensity prestoring and distance, determines respectively the distance of target terminal, and determines the direction of target terminal according to the distance of target terminal corresponding to two positions.
Terminal can, according to the relation of the intensity for diverse location wireless signal and the signal strength signal intensity prestoring and distance, be determined respectively the distance of target terminal, and determines the direction of target terminal according to the distance of target terminal corresponding to diverse location.Optionally, mobile device can also show distance and the direction of definite target terminal.
In the schematic diagram of the interface of the terminal positioning shown in Fig. 7, mobile device can be according to the relation of the intensity for position A wireless signal and the signal strength signal intensity prestoring and distance, the distance of determining target terminal is L1, and the position of target terminal is positioned at taking A as the center of circle, on the circle that L1 is radius; Mobile device can also be according to for the intensity of position B wireless signal and the relation of the signal strength signal intensity prestoring and distance, the distance of determining target terminal is L2, the position that is target terminal is positioned at taking B as the center of circle, L2 is on the circle of radius, further determine the direction of target terminal according to the distance of position A and target terminal corresponding to position B, wherein can comprise one or two for the direction of position A or the definite target terminal of position B.
Step S305, if only have one for the direction of the target terminal of a location positioning in two positions, according to the direction localizing objects terminal of definite target terminal.
If the direction for the target terminal of a location positioning in two positions only has one, mobile device can be according to the direction localizing objects terminal of definite target terminal, and optional, mobile device can also show the concrete orientation of the target terminal of location.Taking the interface schematic diagram of the terminal positioning shown in Fig. 7 as example, the position of target terminal is positioned at taking A as the center of circle, L1 is on the circle of radius, simultaneously, the position of target terminal is also positioned at taking B as the center of circle, L2 is on the circle of radius, mobile device only has one in the direction of the definite target terminal of position A, be the direction of position A along position S, mobile device also only has one in the direction of the definite target terminal of position B, be the direction of position B along position S, mobile device can be according to the direction localizing objects terminal of definite target terminal, wherein the position of target terminal is positioned at the joining of above-mentioned two circles, be that target terminal is positioned at position S.
In the method for the terminal positioning shown in Fig. 3, mobile device receives the wireless signal that described target terminal sends two positions, obtain respectively the intensity of the wireless signal receiving for two positions, and obtain the signal strength signal intensity that prestores and the relation of distance, according to the relation of the intensity for two position wireless signals and the signal strength signal intensity prestoring and distance, determine respectively the distance of target terminal, and determine the direction of target terminal according to the distance of target terminal corresponding to two positions, if the direction for the target terminal of a location positioning in two positions only has one, according to the direction localizing objects terminal of definite target terminal, localizing objects terminal among a small circle, improve positioning precision, promoting user experiences.
Refer to Fig. 4, Fig. 4 is the schematic flow sheet of the method for a kind of terminal positioning that in the embodiment of the present invention, fourth aspect provides, and the method for the terminal positioning in the present embodiment can comprise as shown in the figure:
Step S401, at least three positions, the wireless signal that receiving target terminal sends.
Mobile device can be at least three positions, the wireless signal that receiving target terminal sends.Taking the interface schematic diagram of the terminal positioning shown in Fig. 8 as example, mobile device can be respectively at position A, position B and position C, the wireless signal that receiving target terminal sends.
As the optional execution mode of one, mobile device can transmit control signal to target terminal, so that target terminal sends wireless signal according to this control signal to mobile device, for example, installation kit for service end can be installed in advance on target terminal, installation kit for client is installed on mobile device, after target terminal is lost, mobile device can transmit control signal to target terminal by network, so that target terminal is opened Wi-Fi Hotspot according to this control signal, target terminal starts to send Wi-Fi signal, and in certain distance, form coverage, the Wi-Fi signal that further mobile device receiving target terminal sends.It is pointed out that the wireless signal in the present embodiment can be Wi-Fi signal, optional, this wireless signal can also be Bluetooth signal, infrared signal or NFC signal, etc.
Step S402, obtains respectively at least three positions, the intensity of the wireless signal receiving.
Mobile device, at least three positions, receives after the wireless signal of target terminal transmission, can obtain respectively for these at least three positions, the intensity of the wireless signal receiving.
Taking the interface schematic diagram of the terminal positioning shown in Fig. 8 as example, the skyborne propagation of wireless signal meeting is because of the increase signal intensity attenuation of distance, within the scope of the wireless signal 80 district that mobile device receives in the drawings, signal strength signal intensity is the strongest, along with the increase of distance, within the scope of this wireless signal 81 district signal strength signal intensity a little less than, within the scope of He83 district of this wireless signal 82 district, signal strength signal intensity weakens successively, mobile device is at position A, position B and position C receive after wireless signal, can obtain for position A, position B and position C, the region that this wireless signal distributes is respectively 81st district, within the scope of 82 He83 district of districts, further determine for position A, position B and position C, the intensity of this wireless signal.
Step S403, obtains the signal strength signal intensity that prestores and the relation of distance.
Step S404, according to the relation of the intensity at least three position wireless signals and the signal strength signal intensity prestoring and distance, determines respectively the distance of target terminal, and determines the direction of target terminal according to the distance of target terminal corresponding at least three positions.
Terminal can, according to the relation of the intensity at least three position wireless signals and the signal strength signal intensity prestoring and distance, be determined respectively the distance of target terminal, and determines the direction of target terminal according to the distance of target terminal corresponding to diverse location.Optionally, mobile device can also show distance and the direction of definite target terminal.
In the schematic diagram of the interface of the terminal positioning shown in Fig. 8, mobile device can be according to the relation of the intensity for position A wireless signal and the signal strength signal intensity prestoring and distance, the distance of determining target terminal is L1, and the position of target terminal is positioned at taking A as the center of circle, L1 is on the circle of radius; Mobile device can also be according to for the intensity of position B wireless signal and the relation of the signal strength signal intensity prestoring and distance, and the distance of determining target terminal is L2, and the position of target terminal is positioned at taking B as the center of circle, L2 is on the circle of radius; Mobile device can also be according to for the intensity of position C wireless signal and the relation of the signal strength signal intensity prestoring and distance, the distance of determining target terminal is L3, the position that is target terminal is positioned at taking C as the center of circle, L3 on the circle of radius, further mobile device can be determined according to the distance of position A, position B and target terminal corresponding to position C the direction of target terminal.
Step S405, according to the direction localizing objects terminal of definite target terminal.
Mobile device can be according to the direction localizing objects terminal of definite target terminal, and mobile device can also show the concrete orientation of the target terminal of location.Taking the interface schematic diagram of the terminal positioning shown in Fig. 8 as example, mobile device determines that the position of target terminal is positioned at taking A as the center of circle, L1 is on the circle of radius, the position of target terminal is also positioned at taking B as the center of circle, L2 is on the circle of radius, simultaneously, the position of target terminal is also positioned at taking C as the center of circle, L3 is on the circle of radius, mobile device can be according to the direction localizing objects terminal of definite target terminal, wherein the position of target terminal is positioned at the joining of above-mentioned three circles, and target terminal is positioned at position S.
In the method for the terminal positioning shown in Fig. 4, the wireless signal that mobile device sends at least three position receiving target terminals, obtain respectively the intensity of the wireless signal receiving at least three positions, and obtain the signal strength signal intensity that prestores and the relation of distance, according to the relation of the intensity at least three position wireless signals and the signal strength signal intensity prestoring and distance, determine respectively the distance of target terminal, and determine the direction of target terminal according to the distance of target terminal corresponding at least three positions, further according to the direction localizing objects terminal of definite target terminal, localizing objects terminal among a small circle, improve positioning precision, promoting user experiences.
Refer to Fig. 5, Fig. 5 is the structural representation of a kind of terminal positioning device 500 of providing in the embodiment of the present invention, terminal positioning device 500 can comprise the mobile devices such as mobile phone, panel computer, palmtop PC, mobile internet device or Wearable equipment, terminal positioning device 500 in the embodiment of the present invention at least can comprise signal receiving unit 510, signal strength signal intensity acquiring unit 520, set of relationship acquiring unit 530 and distance determining unit 540 as shown in the figure, wherein:
Signal receiving unit 510, the wireless signal sending for receiving target terminal, this wireless signal can comprise Wi-Fi signal, Bluetooth signal, infrared signal or NFC signal etc.
Signal strength signal intensity acquiring unit 520, for obtaining the intensity of the wireless signal that signal receiving unit 510 receives.Taking the interface schematic diagram of the terminal positioning shown in Fig. 7 as example, the skyborne propagation of wireless signal meeting is because of the increase signal intensity attenuation of distance, within the scope of the wireless signal 70 district that signal receiving unit 510 receives in the drawings, signal strength signal intensity is the strongest, along with the increase of distance, within the scope of this wireless signal 71 district signal strength signal intensity a little less than, within the scope of He73 district of this wireless signal 72 district, signal strength signal intensity weakens successively, signal receiving unit 510 receives after wireless signal, signal strength signal intensity acquiring unit 520 can be determined the region that this wireless signal distributes, and the region distributing according to this wireless signal obtains the intensity of this wireless signal.
Set of relationship acquiring unit 530, for obtaining the signal strength signal intensity that prestores and the relation of distance.Concrete, terminal positioning device 500 can be at same position with target terminal, terminal positioning device 500 at the uniform velocity moves along fixed-direction, terminal positioning device 500 can obtain present speed by gravity sensor, further terminal positioning device 500 can be according to the distance of the current movement of Time Calculation of the present speed getting and current movement, one meter of the every increase of current displacement, terminal positioning device 500 obtains and stores the intensity of the wireless signal of target terminal transmission, mobile device can obtain and the relation of storage signal intensity and distance, in the time that signal receiving unit 510 receives the wireless signal of target terminal transmission, set of relationship acquiring unit 530 can obtain this pre-stored signal strength signal intensity and the relation of distance.
It is to be noted, the signal strength signal intensity prestoring and the ralation method of distance are only example, the present embodiment is including but not limited to one meter of the every increase of mobile device, the intensity of obtaining and storing the wireless signal of target terminal transmission, the ralation method of this signal strength signal intensity and distance can be revised for different scenes accordingly according to the R&D personnel.
Distance determining unit 540, for the intensity of the wireless signal that gets according to signal strength signal intensity acquiring unit 520 and the signal strength signal intensity prestoring that set of relationship acquiring unit 530 gets and the relation of distance, determines the distance of target terminal.Taking the interface schematic diagram of the terminal positioning shown in Fig. 7 as example, within the scope of the intensity 71 district of the wireless signal that signal strength signal intensity acquiring unit 520 gets, distance determining unit 540 can be according to the relation of the signal strength signal intensity prestoring and distance, the distance of determining target terminal is L1, the position that is target terminal is positioned at taking A as the center of circle, on the circle that L1 is radius.
In optional embodiment, signal receiving unit 510, specifically at diverse location, the wireless signal that receiving target terminal sends, wherein this diverse location can comprise at least two positions.
Further, signal strength signal intensity acquiring unit 520, specifically for obtaining respectively for diverse location, the intensity of the wireless signal that signal receiving unit 510 receives.
Distance determining unit 540, specifically for according to for the intensity of diverse location wireless signal and the relation of the signal strength signal intensity prestoring and distance, determine respectively the distance of target terminal, and determine the direction of target terminal according to the distance of target terminal corresponding to diverse location.
In optional embodiment, diverse location comprises two positions, and distance determining unit 540 can as shown in Figure 6, further comprise:
Orientation determination unit 610, be used for basis for the intensity of wireless signal described in two positions and the relation of the signal strength signal intensity prestoring and distance, determine respectively the distance of target terminal, and determine the direction of target terminal according to the distance of target terminal corresponding to two positions.
Terminal positioning unit 620, if for a position for two positions, the direction of the definite target terminal in orientation determination unit 610 only has one, according to the direction localizing objects terminal of the described target terminal of determining.
In optional embodiment, diverse location comprises at least three positions, orientation determination unit 610, be used for basis for the intensity of at least three position wireless signals and the relation of the signal strength signal intensity prestoring and distance, determine respectively the distance of target terminal, and determine the direction of target terminal according to the distance of target terminal corresponding at least three positions.
Terminal positioning unit 620, for according to the direction localizing objects terminal of the definite target terminal in orientation determination unit 610.
In optional embodiment, terminal positioning device 500 can also comprise:
Signal transmitting unit 550, for transmitting control signal to target terminal, so that target terminal is according to control signal return wireless signal.
For example, installation kit for service end can be installed in advance on target terminal, installation kit for client is installed on mobile device, after target terminal is lost, signal transmitting unit 550 can transmit control signal to target terminal by network, so that target terminal is opened Wi-Fi Hotspot according to this control signal, target terminal starts to send Wi-Fi signal, and in certain distance, form coverage, the Wi-Fi signal that further signal receiving unit 510 receiving target terminals send.
In the terminal positioning device shown in Fig. 5 and Fig. 6, the wireless signal that signal receiving unit 510 receiving target terminals send, signal strength signal intensity acquiring unit 520 obtains the intensity of this wireless signal, set of relationship acquiring unit 530 obtains the signal strength signal intensity that prestores and the relation of distance, distance determining unit 540, according to the relation of the intensity of wireless signal and the signal strength signal intensity prestoring and distance, is determined the distance of target terminal, among a small circle localizing objects terminal, improve positioning precision, promote user and experience.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can carry out the hardware that instruction is relevant by computer program to complete, described program can be stored in computer read/write memory medium, this program, in the time carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
It should be noted that, in the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields in certain embodiment, there is no the part of detailed description, can be referring to the associated description of other embodiment.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
Step in embodiment of the present invention method can be carried out according to actual needs order and adjusted, merges and delete.
Unit in embodiment of the present invention device can merge according to actual needs, divides and delete.
Unit described in the embodiment of the present invention, can pass through universal integrated circuit, for example CPU (Central Processing Unit, central processing unit), or realize by ASIC (Application Specific Integrated Circuit, application-specific integrated circuit (ASIC)).
Method and the device of the terminal positioning above embodiment of the present invention being provided are described in detail, applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (10)
1. a method for terminal positioning, is characterized in that, described method comprises:
The wireless signal that receiving target terminal sends;
The intensity of the wireless signal receiving described in obtaining;
Obtain the signal strength signal intensity that prestores and the relation of distance;
According to the intensity of described wireless signal and described in the signal strength signal intensity that prestores and the relation of distance, determine the distance of described target terminal.
2. the method for claim 1, is characterized in that, the wireless signal that described receiving target terminal sends comprises:
At diverse location, receive the wireless signal that described target terminal sends;
The intensity of the wireless signal receiving described in described obtaining comprises:
Obtain respectively for described diverse location, described in the intensity of the wireless signal that receives;
Described according to the intensity of described wireless signal and described in the signal strength signal intensity that prestores and the relation of distance, determine that the distance of described target terminal comprises:
According to the intensity for wireless signal described in described diverse location and described in the signal strength signal intensity that prestores and the relation of distance, determine respectively the distance of described target terminal, and determine the direction of described target terminal according to the distance of described target terminal corresponding to described diverse location.
3. method as claimed in claim 2, is characterized in that, described diverse location comprises two positions;
Described according to the intensity of described wireless signal and described in the signal strength signal intensity that prestores and the relation of distance, determine that the distance of described target terminal comprises:
According to the intensity for wireless signal described in described two positions and described in the signal strength signal intensity that prestores and the relation of distance, determine respectively the distance of described target terminal, and determine the direction of described target terminal according to the distance of described target terminal corresponding to described two positions;
If the direction for the target terminal of a location positioning in described two positions only has one, locate described target terminal according to the direction of described definite described target terminal.
4. method as claimed in claim 2, is characterized in that, described diverse location comprises at least three positions;
Described according to the intensity of described wireless signal and described in the signal strength signal intensity that prestores and the relation of distance, determine that the distance of described target terminal comprises:
According to the intensity for wireless signal described in described at least three positions and described in the signal strength signal intensity that prestores and the relation of distance, determine respectively the distance of described target terminal, and determine the direction of described target terminal according to the distance of described target terminal corresponding to described at least three positions;
Locate described target terminal according to the direction of described definite described target terminal.
5. the method as described in claim 1～4 any one, is characterized in that, described method also comprises: transmit control signal to described target terminal, so that described target terminal is according to described control signal return wireless signal.
6. a terminal positioning device, is characterized in that, comprising:
Signal receiving unit, the wireless signal sending for receiving target terminal;
Signal strength signal intensity acquiring unit, for obtaining the intensity of the wireless signal that described signal receiving unit receives;
Set of relationship acquiring unit, for obtaining the signal strength signal intensity that prestores and the relation of distance;
Distance determining unit, the signal strength signal intensity prestoring described in getting for the intensity of the described wireless signal that gets according to described signal strength signal intensity acquiring unit and described set of relationship acquiring unit and the relation of distance, determine the distance of described target terminal.
7. terminal positioning device as claimed in claim 6, is characterized in that,
Described signal receiving unit, specifically at diverse location, receives the wireless signal that described target terminal sends;
Described signal strength signal intensity acquiring unit, specifically for obtaining respectively for described diverse location, the intensity of the wireless signal that described signal receiving unit receives;
Described distance determining unit, specifically for according to for the intensity of wireless signal described in described diverse location and described in the signal strength signal intensity that prestores and the relation of distance, determine respectively the distance of described target terminal, and determine the direction of described target terminal according to the distance of described target terminal corresponding to described diverse location.
8. terminal positioning device as claimed in claim 7, is characterized in that, described diverse location comprises two positions;
Described distance determining unit comprises:
Orientation determination unit, for according to for the intensity of wireless signal described in described two positions and described in the signal strength signal intensity that prestores and the relation of distance, determine respectively the distance of described target terminal, and determine the direction of described target terminal according to the distance of described target terminal corresponding to described two positions;
Terminal positioning unit, if for a position for described two positions, the direction of the definite target terminal in described orientation determination unit only has one, locates described target terminal according to the direction of described definite described target terminal.
9. terminal positioning device as claimed in claim 7, is characterized in that, described diverse location comprises at least three positions;
Described distance determining unit comprises:
Orientation determination unit, for according to for the intensity of wireless signal described in described at least three positions and described in the signal strength signal intensity that prestores and the relation of distance, determine respectively the distance of described target terminal, and determine the direction of described target terminal according to the distance of described target terminal corresponding to described at least three positions;
Terminal positioning unit, for locating described target terminal according to the direction of the definite described target terminal in described orientation determination unit.
10. the terminal positioning device as described in claim 6～9 any one, is characterized in that, described terminal positioning device also comprises:
Signal transmitting unit, for transmitting control signal to described target terminal, so that described target terminal is according to described control signal return wireless signal.
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| CN201410181398.3A CN103957594A (en) | 2014-04-30 | 2014-04-30 | Method and device for positioning terminal |
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