CN104090266A - Voice frequency acoustic wave positioning system - Google Patents
Voice frequency acoustic wave positioning system Download PDFInfo
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- CN104090266A CN104090266A CN201410309199.6A CN201410309199A CN104090266A CN 104090266 A CN104090266 A CN 104090266A CN 201410309199 A CN201410309199 A CN 201410309199A CN 104090266 A CN104090266 A CN 104090266A
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- acoustic
- mobile terminal
- sequence number
- precalculated position
- positioning system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a voice frequency acoustic wave positioning system and relates to the field of wireless communication. Acoustic wave coding and emitting modules of the system are arranged at preset positions in a local area and used for coding serial numbers into digital signals, converting the digital signals into acoustic signals and emitting the acoustic signals, wherein the serial numbers and the preset positions correspond one to one; a mobile terminal receives the acoustic signals which are emitted by the acoustic wave coding and emitting modules through an audio receiver; an acoustic wave decoding module is connected with the mobile terminal and used for decoding the acoustic signals which are received by the mobile terminal to obtain decoded signals; the decoded signals are sent to an internet-of-things platform through the mobile terminal, the internet-of-things platform stores the serial numbers and the preset positions corresponding to the serial numbers, and the internet-of-things platform matches the received decoded signals with the serial numbers and obtains the preset positions corresponding to the serial numbers according to the matched serial numbers, so that the position where the mobile terminal is located is obtained. Accurate positioning in an indoors local area and a floor area can be achieved.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to a kind of based on 18KHz～22KHz audio frequency sound positioning system.
Background technology
The predecessor of gps satellite positioning system is a kind of " astronomical transit " navigational satellite system of U.S. army's development, and GPS GPS is that 20 century 70s are by the Aerospace Satellite navigation GPS positioning system of new generation of U.S. land, sea, and air joint research and development.Research experiment through more than 20 years, 30,000,000,000 dollars of costs, to in March, 1994, up to 24 gps satellite constellations of 98%, oneself has laid Global coverage rate, GPS positioning system is only military systems at present, also by masses, be widely used, especially in civilian field of mobile phones, but the precision of GPS location is limited, especially for indoor regional area or floor area, cannot reach the object of precise positioning, although have much, as WIFI, RFIO technology, also attempting being applied in positioning field, precision is low, cost is high, cannot obtain locating effect more accurately.
Summary of the invention
The problems referred to above that exist for existing positioning system, now providing a kind of audio frequency sound positioning system to realize can be in the object of indoor some areas and floor area precise positioning.
An audio frequency sound positioning system, comprising:
Acoustic coded transmitter module, is arranged at the precalculated position in a regional area, in order to be digital signal by a serial number codes, described digital signal is converted to acoustic signals, and launches described acoustic signals, and described sequence number is corresponding one by one with described precalculated position;
Mobile terminal, receives by audio receiver the acoustic signals that described acoustic coded transmitter module is launched;
Sound wave decoder module, connects described mobile terminal, in order to the acoustic signals that described mobile terminal is received, decodes, and obtains decoded signal;
By described mobile terminal, described decoded signal is sent to platform of internet of things, flat described sequence number and the described precalculated position corresponding with described sequence number of storing of described Internet of Things, described platform of internet of things mates the described decoded signal receiving with described sequence number, according to the described sequence number after coupling, obtain the precalculated position corresponding with described sequence number, thereby obtain described mobile terminal position.
Preferably, described acoustic coded transmitter module comprises:
Acoustic emission unit, is arranged at the precalculated position in a regional area, and described regional area is default region, in order to the digital signal receiving is converted to acoustic signals, and launches described acoustic signals;
Acoustic coded unit, connects described acoustic emission unit, in order to being digital signal by a serial number codes, and described digital signal is sent to described acoustic emission unit.
Preferably, described acoustic emission unit is launched the audio frequency range of described acoustic signals and is: 18KHz～22KHz.
Preferably, the volume of described acoustic emission unit is adjustable.
Preferably, described acoustic coded transmitter module is a plurality of, a plurality of acoustic coded transmitter modules are arranged at respectively the different precalculated position of described regional area, each acoustic coded transmitter module inside is provided with an acoustic coded unit, each acoustic coded unit is in order to being digital signal by a unique serial number codes, the corresponding precalculated position of each sequence number, described platform of internet of things is in order to store described sequence number and the described precalculated position corresponding with described sequence number.
Preferably, described mobile terminal is smart mobile phone or removable computer.
The beneficial effect of technique scheme:
Can be in the object of indoor some areas and floor area precise positioning mobile terminal locations by having realized acoustic coded transmitter module and coordinating of sound wave decoder module.
Accompanying drawing explanation
Fig. 1 is the block diagram of a kind of embodiment of audio frequency sound positioning system of the present invention.
In accompanying drawing: 1. acoustic coded transmitter module; 11. acoustic coded unit; 12. acoustic emission unit; 2. mobile terminal; 3. sound wave decoder module; 4. platform of internet of things.
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 only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the present invention can combine mutually.
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
As shown in Figure 1, a kind of audio frequency sound positioning system, comprising: acoustic coded transmitter module 1, mobile terminal 2, sound wave decoder module 3 and platform of internet of things 4; Acoustic coded transmitter module 1 is arranged at the precalculated position in a regional area, in order to be digital signal by a serial number codes, described digital signal is converted to acoustic signals, and launches described acoustic signals, and described sequence number is corresponding one by one with described precalculated position; Mobile terminal 2 receives the acoustic signals of acoustic coded transmitter module 1 transmitting by audio receiver; Sound wave decoder module 3 connects mobile terminal 2, in order to the acoustic signals that mobile terminal 2 is received, decodes, and obtains decoded signal; By mobile terminal 2, decoded signal is sent to platform of internet of things 4, Internet of Things flat 4 stores sequence number and the precalculated position corresponding with sequence number, platform of internet of things 4 mates the decoded signal receiving with sequence number, according to the sequence number after coupling, obtain the precalculated position corresponding with sequence number, thereby obtain described mobile terminal 2 position information, realize the location to mobile terminal 2.
In the present embodiment, can be in the object of indoor some areas and floor area precise positioning mobile terminal 2 positions by having realized acoustic coded transmitter module 1 and coordinating of sound wave decoder module 3.
In a preferred embodiment, acoustic coded transmitter module 1 comprises: acoustic emission unit 12 and sound wave coding unit 11; Acoustic emission unit 12 is arranged at the precalculated position in a regional area, and regional area is default region, in order to the digital signal receiving is converted to acoustic signals, and launches acoustic signals; Acoustic emission unit 12 and audio receiver are wireless module.Acoustic coded unit 11 connects acoustic emission unit 12, in order to being digital signal by a serial number codes, and digital signal is sent to acoustic emission unit 12.
The principle of work of audio frequency sound positioning system is:
Mobile terminal 2 is built-in with sound wave decoder module 3, when mobile terminal 2 is positioned at the certain limit of acoustic emission unit 12 radiation, the audio receiver of mobile terminal 2 receives sound wave, by sound wave decoder module 3, decode, decoded data is sent to platform of internet of things 4, platform of internet of things 4 can be determined the position of mobile terminal 2 according to coding and the predetermined relationship of position, thereby realized localized region, realizes the object of mobile terminal 2 location.
In a preferred embodiment, the audio frequency range of acoustic emission unit 12 transmitting acoustic signals is: 18KHz～22KHz.Adopt people's ear insensitive, the more difficult frequency range of discovering: 18KHz～22KHz, can not cause interference to people's the sense of hearing, and has reached the object to mobile terminal 2 location.
In a preferred embodiment, the volume of acoustic emission unit 12 is adjustable, and by regulating volume to changing acoustic irradiation scope, positioning precision can reach 5 meters.
In a preferred embodiment, acoustic coded transmitter module 1 is a plurality of, a plurality of acoustic coded transmitter modules 1 are arranged at respectively the different precalculated position of regional area, each acoustic coded transmitter module 1 inside is provided with an acoustic coded unit 11, each acoustic coded unit 11 is in order to being digital signal by a unique serial number codes, the corresponding precalculated position of each sequence number, platform of internet of things 4 is in order to storage sequence number and the described precalculated position corresponding with sequence number.Each acoustic coded transmitter module 1, because the position different coding data of its installation are also different, thereby reaches the object of distinguishing regional area diverse location.
In a preferred embodiment, mobile terminal 2 is smart mobile phone or removable computer.Mobile phone and removable computer are people's various daily neces saries, by reaching the object to user location to mobile phone or removable computer positioning instant.
The foregoing is only preferred embodiment of the present invention; not thereby limit embodiments of the present invention and protection domain; to those skilled in the art; should recognize that being equal to that all utilizations instructions of the present invention and diagramatic content done replace and the resulting scheme of apparent variation, all should be included in protection scope of the present invention.
Claims (6)
1. an audio frequency sound positioning system, is characterized in that, comprising:
Acoustic coded transmitter module, is arranged at the precalculated position in a regional area, in order to be digital signal by a serial number codes, described digital signal is converted to acoustic signals, and launches described acoustic signals, and described sequence number is corresponding one by one with described precalculated position;
Mobile terminal, receives by audio receiver the acoustic signals that described acoustic coded transmitter module is launched;
Sound wave decoder module, connects described mobile terminal, in order to the acoustic signals that described mobile terminal is received, decodes, and obtains decoded signal;
By described mobile terminal, described decoded signal is sent to platform of internet of things, flat described sequence number and the described precalculated position corresponding with described sequence number of storing of described Internet of Things, described platform of internet of things mates the described decoded signal receiving with described sequence number, according to the described sequence number after coupling, obtain the precalculated position corresponding with described sequence number, thereby obtain described mobile terminal position.
2. audio frequency sound positioning system as claimed in claim 1, is characterized in that, described acoustic coded transmitter module comprises:
Acoustic emission unit, is arranged at the precalculated position in a regional area, and described regional area is default region, in order to the digital signal receiving is converted to acoustic signals, and launches described acoustic signals;
Acoustic coded unit, connects described acoustic emission unit, in order to being digital signal by a serial number codes, and described digital signal is sent to described acoustic emission unit.
3. audio frequency sound positioning system as claimed in claim 2, is characterized in that, the audio frequency range that described acoustic signals is launched in described acoustic emission unit is: 18KHz～22KHz.
4. audio frequency sound positioning system as claimed in claim 2, is characterized in that, the volume of described acoustic emission unit is adjustable.
5. audio frequency sound positioning system as claimed in claim 1, it is characterized in that, described acoustic coded transmitter module is a plurality of, a plurality of acoustic coded transmitter modules are arranged at respectively the different precalculated position of described regional area, each acoustic coded transmitter module inside is provided with an acoustic coded unit, each acoustic coded unit is in order to being digital signal by a unique serial number codes, the corresponding precalculated position of each sequence number, described platform of internet of things is in order to store described sequence number and the described precalculated position corresponding with described sequence number.
6. audio frequency sound positioning system as claimed in claim 1, is characterized in that, described mobile terminal is smart mobile phone or removable computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309199.6A CN104090266A (en) | 2014-06-30 | 2014-06-30 | Voice frequency acoustic wave positioning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410309199.6A CN104090266A (en) | 2014-06-30 | 2014-06-30 | Voice frequency acoustic wave positioning system |
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| CN104090266A true CN104090266A (en) | 2014-10-08 |
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| CN201410309199.6A Pending CN104090266A (en) | 2014-06-30 | 2014-06-30 | Voice frequency acoustic wave positioning system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018001354A1 (en) * | 2016-06-30 | 2018-01-04 | 中兴通讯股份有限公司 | Positioning method, device, location service system and data storage medium |
| CN110636133A (en) * | 2019-09-25 | 2019-12-31 | 上海动听网络科技有限公司 | Method, device, terminal, server and system for assisting accurate positioning |
| CN112483908A (en) * | 2020-11-23 | 2021-03-12 | 中国华能集团清洁能源技术研究院有限公司 | Pipeline monitoring system and monitoring method based on sound waves |
| JPWO2022071522A1 (en) * | 2020-10-02 | 2022-04-07 |
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| CN102256005A (en) * | 2011-04-18 | 2011-11-23 | 陈卓菲 | Ultrasonic local mobile phone positioning system and positioning method thereof |
| CN102457332A (en) * | 2010-11-02 | 2012-05-16 | 北京网潮科技有限公司 | Method, device and system for fixing position of mobile terminal |
| CN102567699A (en) * | 2011-12-15 | 2012-07-11 | 大唐软件技术股份有限公司 | Internet of things object positioning system and method |
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| CN102457332A (en) * | 2010-11-02 | 2012-05-16 | 北京网潮科技有限公司 | Method, device and system for fixing position of mobile terminal |
| CN102256005A (en) * | 2011-04-18 | 2011-11-23 | 陈卓菲 | Ultrasonic local mobile phone positioning system and positioning method thereof |
| CN102567699A (en) * | 2011-12-15 | 2012-07-11 | 大唐软件技术股份有限公司 | Internet of things object positioning system and method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018001354A1 (en) * | 2016-06-30 | 2018-01-04 | 中兴通讯股份有限公司 | Positioning method, device, location service system and data storage medium |
| CN110636133A (en) * | 2019-09-25 | 2019-12-31 | 上海动听网络科技有限公司 | Method, device, terminal, server and system for assisting accurate positioning |
| JPWO2022071522A1 (en) * | 2020-10-02 | 2022-04-07 | ||
| WO2022071522A1 (en) * | 2020-10-02 | 2022-04-07 | 株式会社アイシン | Ultrasonic wave generator, vibrator, and object detection device |
| JP7464140B2 (en) | 2020-10-02 | 2024-04-09 | 株式会社アイシン | Ultrasonic generator, transducer, and object detector |
| CN112483908A (en) * | 2020-11-23 | 2021-03-12 | 中国华能集团清洁能源技术研究院有限公司 | Pipeline monitoring system and monitoring method based on sound waves |
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Application publication date: 20141008 |
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