CN103188023A - Distance measuring method and system, and application method - Google Patents
Distance measuring method and system, and application method Download PDFInfo
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- CN103188023A CN103188023A CN2013100887716A CN201310088771A CN103188023A CN 103188023 A CN103188023 A CN 103188023A CN 2013100887716 A CN2013100887716 A CN 2013100887716A CN 201310088771 A CN201310088771 A CN 201310088771A CN 103188023 A CN103188023 A CN 103188023A
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Abstract
The invention discloses a distance measuring method and system, and an application method, which are all suitable for an information interaction system. The distance measuring method comprises the following steps that: a computer obtains the name of a target device; the computer changes the name of a Bluetooth module into the name of the target device; the Bluetooth module is connected to the target device; the Bluetooth module broadcasts a signal containing the name of the Bluetooth module; and a terminal scans the signal to obtain the name of the Bluetooth module and the RSSI (Received Signal Strength Indicator) value of the signal, and further converts the RSSI value into a distance value, thereby obtaining the distance between the terminal and the target device. The distance measuring method is capable of effectively obtaining the distance between the terminal and the target device by employing specific information of the Bluetooth module, and data information corresponding to the target device can be effectively sent to the terminal according to the distance between the terminal and the target device, so that the utilization rate of the information by a user increases and the experience of the user is improved.
Description
Technical field
The present invention relates to technical field of information interaction, relate in particular to a kind of distance-finding method, system and application process.
Background technology
Along with development of Communication Technique, mobile communication terminal has obtained popularizing of very big scope, people by mobile communication terminal whenever and wherever possible with extraneous interactive information.In order to utilize the mobile communication terminal in people's hand fully, industry is integrated a lot of application on mobile communication terminal.
In convention or exhibition place, in order to allow personnel participating in the meeting or visit personnel receive information, also can utilize the mobile communication terminal in their hand, organizer or sponsor can send relevant meeting material or exhibit information etc. to mobile communication terminal.
But under this mode, personnel participating in the meeting or visit personnel can only generally obtain whole meeting material or whole exhibition information, and can't will obtain the corresponding data information of there and then targetedly.Some meeting simultaneously or exhibition are divided into different levels with personnel participating in the meeting or visit personnel, but prior art personnel participating in the meeting or the visit personnel of these different layers framves can't be distinguished, send different corresponding data informations.
In existing information interaction system, the technical reason that has the problems referred to above, just be mobile communication terminal can't obtain effectively with local destination apparatus (such as different meeting rooms, different exhibition article) between distance, thereby can't distinguish the owner of mobile communication terminal effectively, can't send corresponding data information effectively.
Summary of the invention
The objective of the invention is to overcome the shortcoming and defect of prior art, a kind of distance-finding method, system and application process are provided, can obtain the distance of terminal and destination apparatus effectively, and can send the information relevant with destination apparatus accordingly to terminal according to the distance of terminal and destination apparatus.
One embodiment of the present of invention provide a kind of distance-finding method, are applicable to information interaction system, may further comprise the steps:
Computer obtains the title of destination apparatus;
Computer changes the title of bluetooth module into the title of described destination apparatus;
Bluetooth module is connected to destination apparatus;
The bluetooth module broadcast packet contains the signal of bluetooth module title;
Terminal is obtained the title of bluetooth module by the described signal of scanning, and obtain described RSSI of signals value, and described RSSI value is changed into distance value, thus the distance of acquisition terminal and destination apparatus.
Preferably, described computer obtains the title of destination apparatus, further may further comprise the steps:
Central control unit is obtained the title of described destination apparatus;
Central control unit sends to computer with the title of described destination apparatus, and computer is stored.
Preferably, described computer changes the title of bluetooth module the title of described destination apparatus into, further may further comprise the steps:
Bluetooth module is connected to computer, and bluetooth module forms virtual serial port equipment;
Computer sends the HCI instruction to bluetooth module, and the HCI instruction comprises the title of destination apparatus;
Bluetooth module is received the HCI instruction, destination apparatus name wherein is referred to as the title of bluetooth module.
Preferably, further comprising the steps of: behind the bluetooth module power-off restarting, the title of bluetooth module is reduced into original title.
Preferably, the destination apparatus title is write among the FLASH of bluetooth module, load when bluetooth module is powered at every turn.
Preferably, further may further comprise the steps:
Computer initialization virtual serial port equipment comprises and sets baud rate, parity check bit and position of rest;
Computer reads local profile, and the data that the destination apparatus title that gets access to are converted into 16 systems send to bluetooth module with HCI command format.
An alternative embodiment of the invention provides a kind of ranging system, comprises computer, destination apparatus, bluetooth module and terminal, wherein,
Computer is used for obtaining the title of destination apparatus, and the title of bluetooth module is changed into the title of described destination apparatus;
Destination apparatus is used for connecting bluetooth module;
Bluetooth module is used for being connected to destination apparatus, and broadcast packet contains the signal of bluetooth module title;
Terminal is used for obtaining the title of bluetooth module by the described signal of scanning, and obtain described RSSI of signals value, and described RSSI value is changed into distance value, thus the distance of acquisition terminal and destination apparatus.
Preferably, also comprise central control unit, described central control unit is used for obtaining the title of described destination apparatus, and the title of described destination apparatus is sent to computer.
Preferably, described terminal is bluetooth 4.0 terminals.
An alternative embodiment of the invention also provides a kind of application process of ranging system, is applicable to information interaction system, may further comprise the steps:
Terminal is obtained the distance between own and the destination apparatus;
When the distance between terminal and the destination apparatus reached predetermined threshold value, terminal sent the title of described destination apparatus to central control unit;
Central control unit is obtained corresponding instruction and file according to the title of described destination apparatus, carries out information interaction with terminal.
The present invention is owing to adopted the customizing messages of bluetooth module, can obtain the distance of terminal and destination apparatus effectively, thereby can be according to the distance of terminal and destination apparatus, data information with the destination apparatus correspondence sends to terminal effectively, improve the utilance of user to information, improved user's experience.
Description of drawings
Fig. 1 is the range finding flow chart in the embodiment of the invention.
Fig. 2 is the ranging system structural representation in the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail.But embodiments of the present invention are not limited thereto.
Distance-finding method in the embodiment of the invention is applicable to information interaction system, and in information interaction system, central control unit and terminal link together by local area network (LAN).
Fig. 1 is the range finding flow chart in the embodiment of the invention.As shown in Figure 1, this flow process may further comprise the steps:
The destination apparatus here can be certain equipment of convention system, as large display screen, also can be certain showpiece at large-scale exhibition scene, these equipment or showpiece are got a title respectively, for example " showpiece one ", again the name storage of these equipment or showpiece in central control unit.
Specifically, computer initialization virtual serial port equipment, comprise and set baud rate, parity check bit and position of rest etc., computer reads local profile, and the data that the destination apparatus title that gets access to are converted into 16 systems send to bluetooth module with HCI command format.
Initialization virtual serial port equipment is initialized as Peripheral with bluetooth module.Because the mode of operation of bluetooth module is divided two kinds: Peripheral and Center, have only bluetooth module to be operated in the Peripheral pattern and could be arrived by terminal scanning.
The title of revising bluetooth module is divided into two kinds of patterns.
A kind of pattern is temporary mode, and temporary mode just refers to the amended title of bluetooth module only using in time broadcasting, behind the bluetooth module power-off restarting, still with original title.
Another kind of pattern is perpetual model, and the title that perpetual model refers to the destination apparatus that will revise writes among the FLASH of bluetooth module chip, loads this title when bluetooth module is powered at every turn automatically.
In this step, mainly be the characteristic of utilizing bluetooth 4.0 terminals, obtain the distance of terminal and destination apparatus.
In order to realize above-mentioned flow process, an alternative embodiment of the invention provides a kind of ranging system.Fig. 2 is the ranging system structural representation in the embodiment of the invention.As shown in Figure 2, this system comprises central control unit 201, computer 202, destination apparatus 203, bluetooth module 204 and terminal 205.
Wherein, central control unit is obtained the title of destination apparatus, and the title of destination apparatus is sent to computer.
Computer obtains the title of destination apparatus, and the title of bluetooth module is changed into the title of destination apparatus.
Destination apparatus connects bluetooth module.
Bluetooth module is connected to destination apparatus, and broadcast packet contains the signal of bluetooth module title.
Terminal is obtained the title of bluetooth module by sweep signal, and obtain the RSSI of signals value, and the RSSI value is changed into distance value, thus the distance of acquisition terminal and destination apparatus.This terminal is bluetooth 4.0 terminals.
An alternative embodiment of the invention also provides the concrete application case of above-mentioned ranging system.
At first, in the central control unit of information interaction system, stored destination apparatus title and with its corresponding file, the title of destination apparatus " showpiece one " for example, and to its present document.
When the distance threshold of terminal judges itself and destination apparatus reached preset threshold value, terminal sent the title of destination apparatus to central control unit.For example within the terminal use goes to 3 meters of destination apparatus " showpiece one ", reached preset threshold value, terminal just sends to central control unit with the title " showpiece one " of destination apparatus.
After central control unit is received the title " showpiece one " of destination apparatus, just destination apparatus " showpiece one " corresponding file is pushed to terminal.
Equally, before a conference participants may is gone to certain meeting room or certain equipment, terminal in its hand just can obtain meeting room number or device name, and send to central control unit, central control unit can with this meeting room meeting material, perhaps the equipment corresponding file sends to this terminal, uses for conference participants may.
The present invention is owing to adopted the customizing messages of bluetooth module, can obtain the distance of terminal and destination apparatus effectively, thereby can be according to the distance of terminal and destination apparatus, data information with the destination apparatus correspondence sends to terminal effectively, improve the utilance of user to information, improved user's experience.
Above-described embodiment is preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spiritual essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. a distance-finding method is applicable to information interaction system, it is characterized in that, may further comprise the steps:
Computer obtains the title of destination apparatus;
Computer changes the title of bluetooth module into the title of described destination apparatus;
Bluetooth module is connected to destination apparatus;
The bluetooth module broadcast packet contains the signal of bluetooth module title;
Terminal is obtained the title of bluetooth module by the described signal of scanning, and obtain described RSSI of signals value, and described RSSI value is changed into distance value, thus the distance of acquisition terminal and destination apparatus.
2. a kind of distance-finding method according to claim 1 is characterized in that, described computer obtains the title of destination apparatus, further may further comprise the steps:
Central control unit is obtained the title of described destination apparatus;
Central control unit sends to computer with the title of described destination apparatus, and computer is stored.
3. a kind of distance-finding method according to claim 1 is characterized in that, described computer changes the title of bluetooth module the title of described destination apparatus into, further may further comprise the steps:
Bluetooth module is connected to computer, and bluetooth module forms virtual serial port equipment;
Computer sends the HCI instruction to bluetooth module, and the HCI instruction comprises the title of destination apparatus;
Bluetooth module is received the HCI instruction, destination apparatus name wherein is referred to as the title of bluetooth module.
4. a kind of distance-finding method according to claim 3 is characterized in that, and is further comprising the steps of: behind the bluetooth module power-off restarting, the title of bluetooth module is reduced into original title.
5. a kind of distance-finding method according to claim 3 is characterized in that, the destination apparatus title is write among the FLASH of bluetooth module, loads when bluetooth module is powered at every turn.
6. a kind of distance-finding method according to claim 3 is characterized in that, further may further comprise the steps:
Computer initialization virtual serial port equipment comprises and sets baud rate, parity check bit and position of rest;
Computer reads local profile, and the data that the destination apparatus title that gets access to are converted into 16 systems send to bluetooth module with HCI command format.
7. a ranging system is characterized in that, comprises computer, destination apparatus, bluetooth module and terminal, wherein,
Computer is used for obtaining the title of destination apparatus, and the title of bluetooth module is changed into the title of described destination apparatus;
Destination apparatus is used for connecting bluetooth module;
Bluetooth module is used for being connected to destination apparatus, and broadcast packet contains the signal of bluetooth module title;
Terminal is used for obtaining the title of bluetooth module by the described signal of scanning, and obtain described RSSI of signals value, and described RSSI value is changed into distance value, thus the distance of acquisition terminal and destination apparatus.
8. a kind of ranging system according to claim 7 is characterized in that, also comprises central control unit, and described central control unit is used for obtaining the title of described destination apparatus, and the title of described destination apparatus is sent to computer.
9. a kind of ranging system according to claim 7 is characterized in that, described terminal is bluetooth 4.0 terminals.
10. the application process of the described ranging system of claim 7 is applicable to information interaction system, it is characterized in that, may further comprise the steps:
Terminal is obtained the distance between own and the destination apparatus;
When the distance between terminal and the destination apparatus reached predetermined threshold value, terminal sent the title of described destination apparatus to central control unit;
Central control unit is obtained corresponding instruction and file according to the title of described destination apparatus, carries out information interaction with terminal.
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| CN2013100887716A CN103188023A (en) | 2013-03-19 | 2013-03-19 | Distance measuring method and system, and application method |
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Cited By (11)
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| CN103927654A (en) * | 2014-04-17 | 2014-07-16 | 福建联迪商用设备有限公司 | Mobile terminal and POS machine contact communication method and device and payment method |
| CN104053230A (en) * | 2014-06-04 | 2014-09-17 | 浙江大学 | Distance measurement method based on Bluetooth protocol |
| CN104540186A (en) * | 2014-12-26 | 2015-04-22 | 北京奇虎科技有限公司 | Method, device and system for wireless network access |
| CN104540128A (en) * | 2014-12-26 | 2015-04-22 | 北京奇虎科技有限公司 | Method, device and system for wireless network access |
| CN104581615A (en) * | 2014-12-25 | 2015-04-29 | 小米科技有限责任公司 | Service delivery method and device |
| CN104702321A (en) * | 2014-04-11 | 2015-06-10 | 上海智向信息科技有限公司 | Near-field pay judgment method and system |
| CN104702320A (en) * | 2014-04-11 | 2015-06-10 | 上海智向信息科技有限公司 | Method and system for judging near-field payment on basis of Bluetooth |
| CN104978655A (en) * | 2014-04-11 | 2015-10-14 | 上海智向信息科技有限公司 | Near field payment connection and data exchange method and near field payment connection and data exchange system |
| CN111343577A (en) * | 2020-05-22 | 2020-06-26 | 卓望信息技术（北京）有限公司 | Method for infectious patient tracking and infection risk detection |
| CN112433201A (en) * | 2020-11-27 | 2021-03-02 | 歌尔科技有限公司 | Distance measurement method and device and terminal equipment |
| CN114715070A (en) * | 2021-11-23 | 2022-07-08 | 厦门星图安达科技有限公司 | Method and device for monitoring people staying in vehicle |
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| CN104581615B (en) * | 2014-12-25 | 2018-05-29 | 小米科技有限责任公司 | service providing method and device |
| CN104540128A (en) * | 2014-12-26 | 2015-04-22 | 北京奇虎科技有限公司 | Method, device and system for wireless network access |
| CN104540186A (en) * | 2014-12-26 | 2015-04-22 | 北京奇虎科技有限公司 | Method, device and system for wireless network access |
| CN104540128B (en) * | 2014-12-26 | 2018-10-09 | 北京奇虎科技有限公司 | The method, apparatus and system of wireless network access |
| CN111343577A (en) * | 2020-05-22 | 2020-06-26 | 卓望信息技术（北京）有限公司 | Method for infectious patient tracking and infection risk detection |
| CN111343577B (en) * | 2020-05-22 | 2020-08-28 | 卓望信息技术（北京）有限公司 | Method for infectious patient tracking and infection risk detection |
| CN112433201A (en) * | 2020-11-27 | 2021-03-02 | 歌尔科技有限公司 | Distance measurement method and device and terminal equipment |
| CN112433201B (en) * | 2020-11-27 | 2023-02-24 | 歌尔科技有限公司 | Distance measurement method and device and terminal equipment |
| CN114715070A (en) * | 2021-11-23 | 2022-07-08 | 厦门星图安达科技有限公司 | Method and device for monitoring people staying in vehicle |
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Application publication date: 20130703 |