CN105163383A - Indoor information push method based on Bluetooth - Google Patents
Indoor information push method based on Bluetooth Download PDFInfo
- Publication number
- CN105163383A CN105163383A CN201510385317.6A CN201510385317A CN105163383A CN 105163383 A CN105163383 A CN 105163383A CN 201510385317 A CN201510385317 A CN 201510385317A CN 105163383 A CN105163383 A CN 105163383A
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- mobile terminal
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- bluetooth base
- bluetooth
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses an indoor information push method based on Bluetooth, and the method comprises the steps: firstly building connection relation between a single Bluetooth base station and a mobile terminal; secondly building the connection relation between other two Bluetooth base stations through the call of the mobile terminal; thirdly achieving the synchronous working of time through the mobile terminal; and finally carrying out the indoor positioning operation. Meanwhile, a cloud server carries out the related processing of the position information of the mobile terminal, and enables the information of potential customers to be transmitted to a merchant client. A positioning method achieves the accurate indoor positioning of the mobile terminal through a method of three-point positioning. Meanwhile, a connection mode that the single Bluetooth base station serves as main equipment and other two Bluetooth base stations serve slave equipment irons out a defect that the mobile terminal just can serve as two Bluetooth slave devices. The application of the cloud server not only guarantees the storage of a large amount of data, but also facilitates the sharing of data and the remote maintenance. The cloud server can carry out the processing of the large amount of data, and effectively guarantees that a merchant masters the information of a large number of customers.
Description
Technical field
The present invention relates to indoor positioning field, particularly a kind of information-pushing method based on bluetooth indoor.
Background technology
At present, GPS is the location technology be most widely used.But, when GPS is in office work, because signal is subject to the impact of building and large high attenuation, positioning precision is also very low, want to reach that outdoor is equally direct from satellite broadcasting, extracts navigation data and temporal information is impossible, the defect of GPS is exactly the effect that can not penetrate building thus reach indoor positioning in indoor positioning thus.Along with the development of wireless communication technology, emerging radio network technique have also been obtained and applies widely in indoor positioning technologies.Wherein, Bluetooth technology reaches the effect of location by measuring its signal strength signal intensity, and because Bluetooth technology is a kind of Radio Transmission Technology of short distance low-power consumption, at the bluetooth local area network access point that indoor location is suitable, network configuration is become the basic network connection mode based on multi-user, and ensure that bluetooth local area network access point is the main equipment of this network all the time, just can obtain the positional information of user.Due to Bluetooth technology have equipment volume little, be easy to be integrated in PDA, PC and mobile phone, so Bluetooth technology is widely applied in indoor positioning field.But the interference due to Bluetooth system less stable and by noise is also larger, so often occur losing location or locating inaccurate situation.
Summary of the invention
Goal of the invention: the object of the invention is to provide a kind of information-pushing method based on bluetooth indoor for the deficiencies in the prior art, achieve the accurate location of mobile terminal in indoor by the method for three-point fix, simultaneously single Bluetooth base. station avoid mobile terminal as main equipment and all the other two Bluetooth base. station as the connected mode from equipment can only simultaneously as the defect of two Bluetooth slave devices; The synchronous working that mobile terminal realizes ensure that the location of three Bluetooth base. station completed based on the same time, ensure that the validity of location; The application of cloud server not only ensure that a large amount of preservations of data, also facilitates sharing and long-range maintenance work of data; Cloud server carries out mass data process and important customer information is fed back to vendor end.
Technical scheme: in order to realize goal of the invention, the invention discloses a kind of information-pushing method based on bluetooth indoor, said method comprising the steps of:
(1) at indoor setting at least three Bluetooth base. station, and in test cabinet, whether there is the blind area of Bluetooth signal, just Bluetooth base. station is debugged until Bluetooth signal covers the whole interior space if having;
(2) the first Bluetooth base. station is set to host mode, namely Bluetooth base. station carries out the operation of polling signal as main equipment, when mobile terminal enters the coverage of Bluetooth base. station, the processor of mobile terminal will receive the polling signal from the first Bluetooth base. station, this be the first Bluetooth base. station will as main equipment and mobile terminal will as set up from equipment bluetooth connect; This is that mobile terminal is connected with the second Bluetooth base. station and the 3rd Bluetooth base. station as master devices request; When mobile terminal detects that all establishing bluetooth with three Bluetooth base. station is connected, then the bluetooth module of mobile terminal will send clock sync signal;
(3) three Bluetooth base. station complete synchronous working, then the data-signal that the Bluetooth base. station next time received is sent is stored into the memory region of mobile terminal by the processor of mobile terminal, wherein, data-signal comprises the dump energy of the device id of Bluetooth base. station, the wireless signal strength of Bluetooth base. station and Bluetooth base. station; Then the processor of mobile terminal can start Bluetooth base. station derives module to the distance of mobile terminal, and this Bluetooth base. station derives module in conjunction with the wireless signal strength of Bluetooth base. station stored in mobile terminal memory region and the dump energy of Bluetooth base. station to derive the distance of Bluetooth base. station to mobile terminal to the distance of mobile terminal; Described a certain Bluetooth base. station derives the Bluetooth base. station of module in conjunction with mobile terminal memory region to the distance of mobile terminal
The Bluetooth base. station that wireless signal strength and Bluetooth base. station dump energy are derived to distance of mobile terminal is:
L＝(0.90427*R/T)
7.8711+0.117
Wherein, L represents the distance of Bluetooth base. station to mobile terminal; R represents the wireless signal strength of Bluetooth base. station; T represents the dump energy of Bluetooth base. station;
Bluetooth base. station is sent to the large data server in high in the clouds to distance of mobile terminal information by wireless network module by mobile terminal, and the position of mobile terminal to be marked by the method for three-point fix and resolves to coordinate points by the large data server in high in the clouds on doors structure figure, the large data server in high in the clouds is pre-stored with some coordinate points and each coordinate points has bound client, the large data server in high in the clouds calculates carrying out distance when the mobile terminal coordinate points of prelocalization and the customer information coordinate points of pre-stored, if distance value is within limit value, then judge that whether this mobile terminal is memory mobile terminal information, information of mobile terminal comprises mobile terminal number, accumulative frequency and memory time, if store, then this is stored number of times to add up, if reach accumulative frequency limit value, information of mobile terminal is sent to relative client and deletes this information of mobile terminal, if this information of mobile terminal does not store, then its information of mobile terminal is stored, and accumulative frequency is set to 1, simultaneously cloud server can by the memory time in information of mobile terminal and memory time limit value compare, if exceed limit value memory time, then this information of mobile terminal is deleted.
Beneficial effect: the present invention compared with prior art, by the method for three-point fix achieve mobile terminal indoor accurate location simultaneously single Bluetooth base. station avoid mobile terminal as main equipment and all the other two Bluetooth base. station as the connected mode from equipment can only simultaneously as the defect of two Bluetooth slave devices; The synchronous working that mobile terminal realizes ensure that the location of three Bluetooth base. station completed based on the same time, ensure that the validity of location; The application of cloud server not only ensure that a large amount of preservations of data, also facilitates sharing and long-range maintenance work of data; Cloud server carries out mass data process and important customer information is fed back to vendor end.
Accompanying drawing explanation
Fig. 1 be bluetooth indoor orientation method of the present invention based on bluetooth indoor positioning apparatus structure schematic diagram.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
As shown in Figure 1, indoor are provided with three Bluetooth base. station, be respectively the first Bluetooth base. station 11, second Bluetooth base. station 12 and the 3rd Bluetooth base. station 13, in mobile terminal 2, be provided with processor module 21, wireless communication module 22, Bluetooth transmission module 23 and Bluetooth receptions module 24.When mobile terminal 2 enters the overlay area of three Bluetooth base. station, mobile terminal 2 ceaselessly launches Bluetooth signal by Bluetooth transmission module 23, Bluetooth base. station obtains the distance of Bluetooth transmission module 23 by the Bluetooth signal decay of measuring Bluetooth transmission module 23, its relative position is sent to the Bluetooth receptions module 24 of mobile terminal 2 by three Bluetooth base. station, processor module 21 is positioned by the position of calculating 3, and locating information is sent to the large data server 3 in high in the clouds by wireless communication module 22.The system that is arranged so that of three Bluetooth base. station can adopt three-point fox method to carry out the determination of position, improves stability and the interference free performance of Bluetooth system, makes location more accurate; Be designed with independently Bluetooth transmission module in mobile terminal simultaneously and reduce the power consumption of mobile terminal, improve the service time of power supply.
Based on device described in Fig. 1, the localization method of described device comprises the following steps:
(1) at indoor setting at least three Bluetooth base. station, and in test cabinet, whether there is the blind area of Bluetooth signal, just Bluetooth base. station is debugged until Bluetooth signal covers the whole interior space if having;
(2) the first Bluetooth base. station 11 is set to host mode, namely Bluetooth base. station carries out the operation of polling signal as main equipment, when mobile terminal enters the coverage of Bluetooth base. station, the processor module 21 of mobile terminal 2 will receive the polling signal from the first Bluetooth base. station 11, this be the first Bluetooth base. station 11 will as main equipment and mobile terminal 2 will as set up from equipment bluetooth connect; This is that mobile terminal 2 is connected with the second Bluetooth base. station 12 and the 3rd Bluetooth base. station 13 as master devices request; When mobile terminal 2 detects that all establishing bluetooth with three Bluetooth base. station is connected, then the bluetooth module of mobile terminal 2 will send clock sync signal;
(3) three Bluetooth base. station complete synchronous working, then the data-signal that the Bluetooth base. station next time received is sent is stored into the memory region of mobile terminal 2 by the processor module 21 of mobile terminal 2, wherein, data-signal comprises the dump energy of the device id of Bluetooth base. station, the wireless signal strength of Bluetooth base. station and Bluetooth base. station; Then the processor module 21 of mobile terminal 2 can start Bluetooth base. station derives module to the distance of mobile terminal 2, and this Bluetooth base. station derives module in conjunction with the wireless signal strength of Bluetooth base. station stored in mobile terminal memory region and the dump energy of Bluetooth base. station to derive the distance of Bluetooth base. station to mobile terminal to the distance of mobile terminal 2; Described a certain Bluetooth base. station derives to the distance of mobile terminal the Bluetooth base. station that module derives in conjunction with Bluetooth base. station wireless signal strength and the Bluetooth base. station dump energy in mobile terminal memory region
To distance of mobile terminal be: L=(0.90427*R/T)
7.8711+ 0.117
Wherein, L represents the distance of Bluetooth base. station to mobile terminal; R represents the wireless signal strength of Bluetooth base. station; T represents the dump energy of Bluetooth base. station;
Bluetooth base. station is sent to the large data server 3 in high in the clouds to distance of mobile terminal information by wireless network module 22 by mobile terminal 2, and the position of mobile terminal 2 to be marked by the method for three-point fix and resolves to coordinate points by the large data server 3 in high in the clouds on doors structure figure, the large data server in high in the clouds 3 is pre-stored with some coordinate points and each coordinate points has bound client, the large data server 3 in high in the clouds calculates carrying out distance when mobile terminal 2 coordinate points of prelocalization and the customer information coordinate points of pre-stored, if distance value is within limit value, then judge that whether this mobile terminal is memory mobile terminal information, information of mobile terminal comprises mobile terminal number, accumulative frequency and memory time, if store, then this is stored number of times to add up, if reach accumulative frequency limit value, information of mobile terminal is sent to relative client and deletes this information of mobile terminal, if this information of mobile terminal does not store, then its information of mobile terminal is stored, and accumulative frequency is set to 1, simultaneously the large data server 3 in high in the clouds can by the memory time in information of mobile terminal and memory time limit value compare, if exceed limit value memory time, then this information of mobile terminal is deleted.
Embodiment one
Embodiment place used is the room of long 10m, wide 5m, high 3m, and it is rectangle.The long body of wall for 10m is set to the X-axis of coordinate, the perpendicular wide body of wall for 5m is set to the Y-axis of coordinate.Three Bluetooth base. station are all located on body of wall, and distance ground 2.5m, the first Bluetooth base. station is located at reference axis origin position, and the second Bluetooth base. station is located at reference axis (10,0) position, and the 3rd Bluetooth base. station is located at reference axis (5,5) position.
During test, the transmission power intensity of the first Bluetooth base. station is-59dBm, and the transmission power intensity of the first Bluetooth base. station is-70dBm, and the transmission power intensity of the first Bluetooth base. station is-80dBm.Test data is as shown in table 1.
Can obtain based on the experimental data in table 1, maximum range error is 0.0148m, and X-axis maximum distance error is 0.013m, and Y-axis maximum distance error is 0.011m, and error rate is all within 2%.
To the explanation of disclosed above-described embodiment, those skilled in the art are realized or uses the present invention, apparent to the amendment team those skilled in the art of above-described embodiment, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not restricted to embodiment illustrated herein, but will meet the most wide region consistent with principle disclosed herein and features of novelty.
Claims (1)
1. based on an information-pushing method for bluetooth indoor, it is characterized in that, said method comprising the steps of:
(1) at indoor setting at least three Bluetooth base. station, the first Bluetooth base. station, the second Bluetooth base. station and the 3rd Bluetooth base. station is comprised; Then whether there is the blind area of Bluetooth signal in test cabinet, just Bluetooth base. station is debugged until Bluetooth signal covers the whole interior space if having;
(2) the first Bluetooth base. station is set to host mode, namely Bluetooth base. station carries out the operation of polling signal as main equipment, when mobile terminal enters the coverage of Bluetooth base. station, the processor of mobile terminal will receive the polling signal from the first Bluetooth base. station, the first Bluetooth base. station will as main equipment and mobile terminal will as set up from equipment bluetooth connect; This is that mobile terminal is connected with the second Bluetooth base. station and the 3rd Bluetooth base. station as master devices request; When mobile terminal detects that all establishing bluetooth with three Bluetooth base. station is connected, then the bluetooth module of mobile terminal will send clock sync signal;
(3) three Bluetooth base. station complete synchronous working, then the data-signal that the Bluetooth base. station next time received is sent is stored into the memory region of mobile terminal by the processor of mobile terminal, wherein, data-signal comprises the dump energy of the device id of Bluetooth base. station, the wireless signal strength of Bluetooth base. station and Bluetooth base. station; Then the processor of mobile terminal can start Bluetooth base. station derives module to the distance of mobile terminal, and this Bluetooth base. station derives module in conjunction with the wireless signal strength of Bluetooth base. station stored in mobile terminal memory region and the dump energy of Bluetooth base. station to derive the distance of Bluetooth base. station to mobile terminal to the distance of mobile terminal; The Bluetooth base. station that described a certain Bluetooth base. station is derived module derive to the distance of mobile terminal in conjunction with Bluetooth base. station wireless signal strength and the Bluetooth base. station dump energy in mobile terminal memory region to distance of mobile terminal is:
L=(0.90427*R/T)
7.8711+0.117
Wherein, L represents the distance of Bluetooth base. station to mobile terminal; R represents the wireless signal strength of Bluetooth base. station; T represents the dump energy of Bluetooth base. station;
Bluetooth base. station is sent to the large data server in high in the clouds to distance of mobile terminal information by wireless network module by mobile terminal, and the position of mobile terminal to be marked by the method for three-point fix and resolves to coordinate points by the large data server in high in the clouds on doors structure figure, the large data server in high in the clouds is pre-stored with some coordinate points and each coordinate points has bound client, the large data server in high in the clouds calculates carrying out distance when the mobile terminal coordinate points of prelocalization and the customer information coordinate points of pre-stored, if distance value is within limit value, then judge that whether this mobile terminal is memory mobile terminal information, information of mobile terminal comprises mobile terminal number, accumulative frequency and memory time, if store, then this is stored number of times to add up, if reach accumulative frequency limit value, information of mobile terminal is sent to relative client and deletes this information of mobile terminal, if this information of mobile terminal does not store, then its information of mobile terminal is stored, and accumulative frequency is set to 1, simultaneously cloud server can by the memory time in information of mobile terminal and memory time limit value compare, if exceed limit value memory time, then this information of mobile terminal is deleted.
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| CN201510385317.6A CN105163383B (en) | 2015-06-30 | 2015-06-30 | One kind being based on the indoor information-pushing method of bluetooth |
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| CN201510385317.6A CN105163383B (en) | 2015-06-30 | 2015-06-30 | One kind being based on the indoor information-pushing method of bluetooth |
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| CN105163383A true CN105163383A (en) | 2015-12-16 |
| CN105163383B CN105163383B (en) | 2019-01-11 |
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| CN106680766A (en) * | 2017-03-06 | 2017-05-17 | 苏州和云观博数字科技有限公司 | Indoor positioning system and method based on Bluetooth |
| CN108260109A (en) * | 2016-12-27 | 2018-07-06 | 中国电信股份有限公司 | Monitoring method, system and the equipment of beacon Bluetooth base. station |
| CN110087181A (en) * | 2019-03-27 | 2019-08-02 | 苏州威斯德医疗科技有限公司 | A kind of closed area 3D synthesis display method and display device |
| TWI727898B (en) * | 2019-11-05 | 2021-05-11 | 瑞昱半導體股份有限公司 | Multi-member bluetooth device be capable of synchronizing audio playback between different bluetooth circuits |
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| US20100118837A1 (en) * | 2008-11-11 | 2010-05-13 | Qualcomm Incorporated | Using synchronization frames for mesh networking with piconets |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108260109A (en) * | 2016-12-27 | 2018-07-06 | 中国电信股份有限公司 | Monitoring method, system and the equipment of beacon Bluetooth base. station |
| CN106680766A (en) * | 2017-03-06 | 2017-05-17 | 苏州和云观博数字科技有限公司 | Indoor positioning system and method based on Bluetooth |
| CN110087181A (en) * | 2019-03-27 | 2019-08-02 | 苏州威斯德医疗科技有限公司 | A kind of closed area 3D synthesis display method and display device |
| TWI727898B (en) * | 2019-11-05 | 2021-05-11 | 瑞昱半導體股份有限公司 | Multi-member bluetooth device be capable of synchronizing audio playback between different bluetooth circuits |
| TWI727899B (en) * | 2019-11-05 | 2021-05-11 | 瑞昱半導體股份有限公司 | Main bluetooth circuit and auxiliary bluetooth circuit of multi-member bluetooth device be capable of synchronizing audio playback between different bluetooth circuits |
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