CN102890264A - Object positioning method based on wireless technology and mobile terminal - Google Patents
Object positioning method based on wireless technology and mobile terminal Download PDFInfo
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- CN102890264A CN102890264A CN2012103698707A CN201210369870A CN102890264A CN 102890264 A CN102890264 A CN 102890264A CN 2012103698707 A CN2012103698707 A CN 2012103698707A CN 201210369870 A CN201210369870 A CN 201210369870A CN 102890264 A CN102890264 A CN 102890264A
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Abstract
The invention discloses an object positioning method based on a wireless technology and a mobile terminal. The object positioning method comprises the following steps that: the mobile terminal repeatedly sends wireless signals to an object to be measured, repeatedly receives the wireless signals from the object to be measured, and computes distance information between the mobile terminal and the object to be measured according to data transmission time; and the mobile terminal determines the position information of the object to be measured according to the obtained distance information. The object can be quickly positioned and searched by using a carry-on mobile phone. The invention has the advantages of low cost and good effect. A user experience is effectively improved.
Description
Technical field
The present invention relates to technical field of mobile terminals, relate in particular to a kind of object localization method and portable terminal based on wireless technology.
Background technology
In actual life, people often have the experience that can not find thing.For example, wallet, key or mobile phone forget where be placed on when going out, and it is usually cumbersome to run into this thing.
To the localization method of article, generally need large complicated equipment in the prior art, cost is higher.Be not suitable for the more article of generally carrying.
Therefore, based on the technical scheme of in the prior art realization of article location being searched, cost is high, scheme is complicated, and the problem of more inapplicable belongings is necessary to propose improved technical scheme and addresses the above problem.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of object localization method and portable terminal based on wireless technology, the problem that article positioning searching technical scheme is complicated, cost is high that exists to solve prior art, wherein:
The object localization method based on wireless technology according to the embodiment of the invention comprises: portable terminal is to determinand sending and receiving wireless signal repeatedly, and according to data transmission period calculate and determinand between range information; Determine the positional information of described determinand according to the range information that obtains.
Wherein, described portable terminal to determinand repeatedly the sending and receiving wireless signal specifically comprise: described portable terminal in a plurality of positions respectively to determinand sending and receiving wireless signal.
Wherein, described portable terminal specifically comprises according to the range information between data transmission period calculating and the determinand: described portable terminal is determined the data transmission period of a plurality of positions; Described portable terminal is according to transmission time and the frequency of wireless signal and the distance between wavelength calculating and the determinand of wireless signal.
Wherein, also comprise: according to the coordinate of the described determinand of positional information calculation of described determinand, and set up the navigation information of described determinand.
Wherein, described wireless signal carries following information: described portable terminal coordinate, Packet Generation time, packet time of reception, determinand are replied, determinand identifies.
Portable terminal according to the embodiment of the invention comprises: computing module, be used for to determinand sending and receiving wireless signal repeatedly, and according to data transmission period calculate and determinand between range information; Locating module is for the positional information of determining described determinand according to the range information that obtains.
Wherein, described computing module specifically comprises: communication module is used in a plurality of positions respectively to described determinand sending and receiving wireless signal; The Time Calculation module is used for calculating the data transmission period of a plurality of positions; Distance calculation module is used for transmission time and the frequency of wireless signal and the distance between wavelength calculating and the determinand according to wireless signal.
Wherein, the range information that obtains according to a plurality of positions of described locating module is determined the positional information of described determinand.
Wherein, also comprise: the coordinate Calculation module is used for the coordinate according to the described determinand of positional information calculation of described determinand; Navigation module is used for setting up navigation information according to the coordinate of described determinand.
Wherein, described wireless signal carries following information: described portable terminal coordinate, Packet Generation time, packet time of reception, determinand are replied, determinand identifies.
According to technical scheme of the present invention, by portable terminal to determinand repeatedly the sending and receiving wireless signal calculate and determinand between range information, and determine the positional information of determinand according to the range information that obtains, realize the quick location of article and search by the mobile phone carried, cost is low and effective, has effectively promoted user's experience.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the process flow diagram of realizing the method for location according to the use portable terminal of the embodiment of the invention;
Fig. 2 is the synoptic diagram according to the less radio-frequency packet of the embodiment of the invention;
Fig. 3 A, Fig. 3 B and Fig. 3 C are the synoptic diagram according to the object localization of the embodiment of the invention;
Fig. 4 is that determinand according to the embodiment of the invention is at three-dimensional position view;
Fig. 5 is the structured flowchart according to a portable terminal of the embodiment of the invention;
Fig. 6 is the structured flowchart according to another portable terminal of the embodiment of the invention;
Fig. 7 is the again structured flowchart of a portable terminal according to the embodiment of the invention.
Embodiment
The present invention is by using wireless technology to measure distance with determinand, portable terminal to determinand send that the less radio-frequency packet calculates and determinand between range information, and according to the range information that obtains determinand is positioned.
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
According to embodiments of the invention, provide a kind of object localization method based on wireless technology.
In the present invention, wireless technology includes but not limited to: RFID(Radio Frequency Identification, REID), bluetooth, WiFi, NFC(Near Field Communication, near field communication (NFC)) etc. wireless technology.Take the RFID technology as example, portable terminal and determinand consist of a rfid system, and portable terminal is as the reader (Reader) of system, and determinand is as the transponder (or electronic tag) of system, and determinand can be the objects such as wallet, key or mobile phone.
Fig. 1 is the process flow diagram based on the object localization method of wireless technology according to the embodiment of the invention, and as shown in Figure 1, the method comprises:
Step S102, portable terminal be to determinand sending and receiving wireless signal repeatedly, and according to data transmission period calculate and determinand between range information.
Portable terminal sends wireless signal to determinand, and determinand receives the wireless signal that the backward portable terminal of this wireless signal returns, and behind the wireless signal that portable terminal reception determinand returns, calculates the time of data-signal transmission by the send and receive mistiming.
Portable terminal is according to the two-way time of less radio-frequency packet and the frequency of less radio-frequency (H) and wavelength (D), by the distance (R) between formula (1) calculating and the determinand.
R=H*D*(T
1-T
0)/2 （1）
Wherein, T
0What represent is the time of Packet Generation, T
1The time of receive data bag.
Further, repeat above-mentioned steps, portable terminal in a plurality of positions respectively to determinand sending and receiving wireless signal, thereby portable terminal is determined the data transmission period of a plurality of positions, and calculates respectively the distance between portable terminal and the determinand.
Step S104 determines the positional information of determinand according to the range information that obtains.
By above-mentioned treatment step, according to the coordinate of the described determinand of positional information calculation of described determinand, and set up the navigation information of described determinand.
With reference to figure 2, be the form synoptic diagram of the less radio-frequency packet of the embodiment of the invention, wherein,
D: expression is the packets of information which time sends; X, Y are the portable terminal coordinate; T
0What represent is the time of Packet Generation, T
1The time of expression receive data bag; ACK represents whether replied by determinand; DCID represents determinand sign (for example numbering).
Article to be measured put 1 with the ACK field after receiving the packet of terminal transmission; Numbering with self is filled among the DCID simultaneously, then sends the packet after filling.After terminal receives packet, record time of receiving to T
1Thereby, calculate time of data packet transmission.
In order to obtain the positional information of more accurate described determinand, can send the less radio-frequency packet to determinand in a plurality of positions in one embodiment of the invention, and calculate range information between a plurality of positions and the determinand, and according to the range information that a plurality of positions obtain determinand is accurately located.Be the example explanation below by sending the less radio-frequency packets three positions.
The first step: portable terminal sends the less radio-frequency packet at first location point A, and uses the distance R between formula (1) calculating A and the determinand
1With reference to figure 3A, determinand is in take A as round dot as can be known, and radius is R
1Round O
1On.
Second step: portable terminal sends the less radio-frequency packet at second location point B, and uses the distance R between formula (1) calculating B and the determinand
2With reference to figure 3B, article to be measured are in round O as can be known
1And O
2The intersection point place.
The 3rd step: portable terminal at the 3rd location point C(C and A, B not on the same straight line), send the less radio-frequency packet, and use the distance R between formula (1) calculating C and the determinand
3With reference to figure 3C, the position of article to be measured is 3 circle (O
1, O
2And O
3) the intersection point place.
By three above-mentioned steps, obtained the precise position information of determinand.
In addition, with reference to figure 4, the range information that obtains according to a plurality of positions is set up the three dimensional local information of determinand, creates the three-dimensional navigation map in portable terminal.
According to embodiments of the invention, also provide a kind of portable terminal.
This portable terminal and determinand form wireless communication system, and portable terminal positions determinand.Terminal device according to the embodiment of the invention includes but not limited to the terminal devices such as mobile phone, smart mobile phone, panel computer (PAD), PDA(Personal Digital Assistant).
Fig. 5 is the structured flowchart according to the portable terminal of the embodiment of the invention, and as shown in Figure 5, this portable terminal comprises: computing module 10 and locating module 20, the below describes the 26S Proteasome Structure and Function of each module in detail.
With reference to figure 6, computing module 10 specifically comprises: communication module 110 is used in a plurality of positions respectively to determinand sending and receiving wireless signal, and receives the less radio-frequency packet that determinand returns; Time Calculation module 120 is used for calculating the data transmission period of a plurality of positions; Distance calculation module 130 is used for transmission time and the frequency of wireless signal and the distance between wavelength calculating and the determinand according to wireless signal.
In order to obtain the positional information of more accurate determinand, portable terminal sends the less radio-frequency packet in a plurality of positions to determinand respectively, and calculates range information between a plurality of positions and the determinand according to data transmission period; And the range information that obtains according to a plurality of positions positions determinand.Preferably, above-mentioned a plurality of positions are three positions.
Continuation is with reference to figure 5, and locating module 20 is used for determining according to the range information that a plurality of positions obtain the positional information of determinand.
Further, with reference to figure 7, portable terminal of the present invention also comprises: coordinate Calculation module 30, and it couples mutually with locating module 20, is used for the coordinate according to the described determinand of positional information calculation of determinand; Navigation module 40 couples mutually with coordinate Calculation module 3, is used for setting up navigation information according to the coordinate of determinand.
The operation steps of method of the present invention is corresponding with the architectural feature of device, can cross-reference, give unnecessary details no longer one by one.
In sum, according to the abovementioned embodiments of the present invention, by portable terminal to determinand repeatedly the sending and receiving wireless signal calculate and determinand between range information, and determine the positional information of determinand according to the range information that obtains, realize the quick location of article and search by the mobile phone carried, cost is low and effective, has effectively promoted user's experience.
The above is embodiments of the invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (10)
1. the object localization method based on wireless technology is characterized in that, comprising:
Portable terminal is to determinand sending and receiving wireless signal repeatedly, and according to data transmission period calculate and determinand between range information;
Determine the positional information of described determinand according to the range information that obtains.
2. method according to claim 1 is characterized in that, described portable terminal to determinand repeatedly the sending and receiving wireless signal specifically comprise:
Described portable terminal in a plurality of positions respectively to determinand sending and receiving wireless signal.
3. method according to claim 2 is characterized in that, described portable terminal specifically comprises according to the range information between data transmission period calculating and the determinand:
Described portable terminal is determined the data transmission period of a plurality of positions;
Described portable terminal is according to transmission time and the frequency of wireless signal and the distance between wavelength calculating and the determinand of wireless signal.
4. method according to claim 1 is characterized in that, also comprises:
According to the coordinate of the described determinand of positional information calculation of described determinand, and set up the navigation information of described determinand.
5. each described method in 4 according to claim 1 is characterized in that described wireless signal carries following information:
Described portable terminal coordinate, Packet Generation time, packet time of reception, determinand are replied, determinand identifies.
6. a portable terminal is characterized in that, comprising:
Computing module is used for to determinand sending and receiving wireless signal repeatedly, and according to data transmission period calculate and determinand between range information;
Locating module is for the positional information of determining described determinand according to the range information that obtains.
7. portable terminal according to claim 6 is characterized in that, described computing module specifically comprises:
Communication module is used in a plurality of positions respectively to described determinand sending and receiving wireless signal;
The Time Calculation module is used for calculating the data transmission period of a plurality of positions;
Distance calculation module is used for transmission time and the frequency of wireless signal and the distance between wavelength calculating and the determinand according to wireless signal.
8. portable terminal according to claim 7 is characterized in that, the range information that described locating module obtains according to a plurality of positions is determined the positional information of described determinand.
9. portable terminal according to claim 6 is characterized in that, also comprises:
The coordinate Calculation module is used for the coordinate according to the described determinand of positional information calculation of described determinand;
Navigation module is used for setting up navigation information according to the coordinate of described determinand.
10. each described portable terminal in 9 according to claim 6 is characterized in that described wireless signal carries following information:
Described portable terminal coordinate, Packet Generation time, packet time of reception, determinand are replied, determinand identifies.
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| CN2012103698707A CN102890264A (en) | 2012-09-27 | 2012-09-27 | Object positioning method based on wireless technology and mobile terminal |
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| CN103308888A (en) * | 2013-05-27 | 2013-09-18 | 河南省电力公司鹤壁供电公司 | Method and device for measuring tower cable based on radio frequency identification |
| CN104301868A (en) * | 2014-10-10 | 2015-01-21 | 西北工业大学 | High-precision indoor positioning method based on frame round-trip-time and time-of-arrival ranging technology |
| CN104680733A (en) * | 2013-11-30 | 2015-06-03 | 徐峥 | Simple household indoor object finding device based on WIFI (wireless fidelity) |
| CN104808227A (en) * | 2014-01-28 | 2015-07-29 | 纳米新能源（唐山）有限责任公司 | Wireless positioning device and wireless positioning system for soldier positioning |
| CN105005801A (en) * | 2015-06-25 | 2015-10-28 | 苏州木兰电子科技有限公司 | Radio-frequency identification based object selection method |
| CN105162953A (en) * | 2015-07-28 | 2015-12-16 | 惠州Tcl移动通信有限公司 | Terminal monitoring method and system |
| CN105335392A (en) * | 2014-07-10 | 2016-02-17 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN106228211A (en) * | 2016-07-25 | 2016-12-14 | 吕永根 | A kind of target searches system and lookup method thereof |
| CN109525931A (en) * | 2017-09-18 | 2019-03-26 | 中兴通讯股份有限公司 | A kind of method, apparatus of location of wireless devices, equipment and storage medium |
| CN114487997A (en) * | 2020-10-27 | 2022-05-13 | 聚众联合科技股份有限公司 | Relative position positioning system and relative position positioning method thereof |
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| CN103308888B (en) * | 2013-05-27 | 2016-02-03 | 国家电网公司 | Based on the method and apparatus that the bracing wire of radio-frequency (RF) identification to shaft tower is measured |
| CN103308888A (en) * | 2013-05-27 | 2013-09-18 | 河南省电力公司鹤壁供电公司 | Method and device for measuring tower cable based on radio frequency identification |
| CN104680733B (en) * | 2013-11-30 | 2017-10-10 | 徐峥 | Device for searching article in a kind of simple type domestic room based on WIFI |
| CN104680733A (en) * | 2013-11-30 | 2015-06-03 | 徐峥 | Simple household indoor object finding device based on WIFI (wireless fidelity) |
| CN104808227A (en) * | 2014-01-28 | 2015-07-29 | 纳米新能源（唐山）有限责任公司 | Wireless positioning device and wireless positioning system for soldier positioning |
| CN105335392A (en) * | 2014-07-10 | 2016-02-17 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN105335392B (en) * | 2014-07-10 | 2020-09-25 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN104301868A (en) * | 2014-10-10 | 2015-01-21 | 西北工业大学 | High-precision indoor positioning method based on frame round-trip-time and time-of-arrival ranging technology |
| CN105005801A (en) * | 2015-06-25 | 2015-10-28 | 苏州木兰电子科技有限公司 | Radio-frequency identification based object selection method |
| CN105162953A (en) * | 2015-07-28 | 2015-12-16 | 惠州Tcl移动通信有限公司 | Terminal monitoring method and system |
| CN106228211A (en) * | 2016-07-25 | 2016-12-14 | 吕永根 | A kind of target searches system and lookup method thereof |
| CN106228211B (en) * | 2016-07-25 | 2020-06-19 | 吕永根 | Target searching system and searching method thereof |
| CN109525931A (en) * | 2017-09-18 | 2019-03-26 | 中兴通讯股份有限公司 | A kind of method, apparatus of location of wireless devices, equipment and storage medium |
| CN109525931B (en) * | 2017-09-18 | 2021-10-29 | 中兴通讯股份有限公司 | Method, device, equipment and storage medium for positioning wireless equipment |
| CN114487997A (en) * | 2020-10-27 | 2022-05-13 | 聚众联合科技股份有限公司 | Relative position positioning system and relative position positioning method thereof |
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