CN113012322B - People flow remote statistics system based on bluetooth AOA - Google Patents
People flow remote statistics system based on bluetooth AOA Download PDFInfo
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- CN113012322B CN113012322B CN202110193013.5A CN202110193013A CN113012322B CN 113012322 B CN113012322 B CN 113012322B CN 202110193013 A CN202110193013 A CN 202110193013A CN 113012322 B CN113012322 B CN 113012322B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
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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
- H04W4/025—Services making use of location information using location based information parameters
- H04W4/026—Services making use of location information using location based information parameters using orientation information, e.g. compass
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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
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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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
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a people flow remote statistics system based on Bluetooth AOA, which comprises: bluetooth base station and cloud service background and smart phone user side; the Bluetooth base station includes: the device comprises a power supply unit, a remote wireless communication unit, a Bluetooth wireless communication unit and an antenna array; the Bluetooth wireless communication unit acquires the Bluetooth ID of the smart phone as a user ID through a wireless scanning function; the antenna array is used for measuring the angle between the Bluetooth base station and the Bluetooth module of the smart phone so as to judge the user access direction, and meanwhile, the antenna array is matched with the Bluetooth wireless module to accurately measure the distance of the nearby smart phone; the smart phone utilizes the standard Bluetooth module to cooperate with the base station to conduct distance measurement and direction measurement; the cloud service background comprises a database unit, a communication unit and an operation processing unit. The invention has low cost and convenient implementation; the effectiveness and the accuracy of people flow statistics are ensured, and the method has the advantages of low carbon, environmental protection and the like.
Description
Technical Field
The invention relates to the technical field of data statistics, in particular to a Bluetooth AOA-based people flow remote statistics method.
Background
Along with the rapid development of mobile Internet of things, intelligent home and sensor technology, smart phones have become indispensable equipment for daily travel and daily life of people, and achievements of mobile Internet of things technology development have also widely entered into daily life of people, bring great convenience for daily life and work and study of people, and are influencing the use habits of people. Various markets develop intelligent and accurate marketing by means of the trend of mobile Internet of things, and people flow is very critical for stores and business superelevation, and improper store address selection is a problem to be solved in urgent need of statistics of people flow more accurately and conveniently, which is caused by tragic and blood-based reasons.
Disclosure of Invention
The invention aims to provide a Bluetooth AOA-based people flow remote statistics system so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a bluetooth AOA-based traffic remote statistics system, comprising: bluetooth base station and cloud service background and smart phone user side;
wherein the bluetooth base station includes: the device comprises a core controller, a power supply unit, a remote wireless communication unit, a Bluetooth wireless communication unit and an antenna array;
the core controller is used for coordinating and controlling the working logic flow and power consumption optimization of other peripheral modules, particularly low-power consumption control logic when the battery is used for supplying power, and the cruising duration is improved;
the power supply unit provides power for the Bluetooth base station, and the remote wireless communication unit is used for completing data communication between the Bluetooth base station and the cloud service background;
the Bluetooth wireless communication unit acquires the Bluetooth ID of the smart phone as a user ID through a wireless scanning function;
the antenna array is used for measuring the angle between the Bluetooth base station and the Bluetooth module of the smart phone so as to judge the user access direction, and meanwhile, the antenna array is matched with the Bluetooth wireless module to accurately measure the distance of the nearby smart phone;
the smart phone utilizes the standard Bluetooth module to cooperate with the base station to conduct distance measurement and direction measurement;
the cloud service background comprises a database unit, a communication unit and an operation processing unit;
the communication unit is used for accessing the public network and receiving the user ID and the timestamp information uploaded by the Bluetooth base station;
the operation processing unit is used for calculating and counting the retention time of the same user ID in the area, and filtering the user ID repeatedly entering and exiting the area within a set period (for example, within 24 hours);
the database unit is used for storing statistical data results.
The invention further improves that: the remote wireless communication unit is connected to the core controller through a serial interface and is responsible for transmitting information such as user ID and the like acquired locally by the Bluetooth base station to the cloud service background according to a communication protocol; the Bluetooth wireless communication unit is connected with the core controller through a serial interface and matched with the antenna array to realize wireless communication of a Bluetooth module of the user side smart phone, and information such as a user ID is obtained; the antenna array is connected with the Bluetooth wireless communication unit and communicated with the Bluetooth module of the user side smart phone to acquire the user ID and judge the movement direction of the user.
The invention further improves that: when a smart phone user approaches an entrance and exit of an entrance guard, firstly, the Bluetooth base station scans a user ID, and meanwhile, the distance between the user and the Bluetooth base station is accurately measured by means of an antenna array; when the measured distance is in the preset threshold range of the system, the direction finding function of the antenna array is used for judging the in-out direction of the user; then, if the user is in the entering direction, the Bluetooth base station uploads the user ID and the entering timestamp information to a cloud service background, the cloud service background further calls a database to inquire whether the user ID has an entering record in the latest statistics period, and if the user ID has the entering record, the user ID is directly regarded as an invalid user and is not counted; otherwise, if no entry record exists in the latest statistics period, the cloud service background calls a database unit to record the user ID and the corresponding entry timestamp, and updates a people flow database;
if the walking direction of the user is out, inquiring whether the user has the same user ID in the last statistics period by the cloud service background, if not, directly considering the user as an invalid user, and not counting; otherwise, if the same user ID exists, the cloud service background invokes a database to inquire whether the user exists a record in the latest statistics period, if so, the user is directly regarded as an invalid user, and the user is not counted; otherwise, inquiring the entry history time point of the latest user ID by the cloud service background, further calling a cloud background operation processing module, counting the user retention time and updating a people flow database.
According to the invention, a Bluetooth base station is deployed at a key entrance and exit where people flow needs to be counted by using a Bluetooth module for marking the smart phone as a user side carrier, the distance between a user and the entrance and exit is judged by using a Bluetooth AOA high-precision distance measuring function (the distance measuring precision is 0.1-1 m), and the entrance and exit directions of the smart phone user are judged by using a Bluetooth AOA high-precision angle measuring function (the angle measuring precision can be within 2 degrees); the residence time of the user is counted by recording the same user ID access time stamp information, so that the people flow at the entrance and the exit of the key area and the residence time in the area are counted by a very convenient means, and powerful objective data support is provided for business opening and market site selection.
The invention has the technical effects and advantages that:
(1) The Bluetooth function is marked by virtue of the highly popular smart phone, so that the cost is low and the implementation is convenient;
(2) According to the invention, people flow and detention time can be counted only by deploying a small number of Bluetooth base stations in a specific area or an entrance, the cost is low, and the deployment and implementation are simple;
(3) The invention can process the user ID of the frequently-going and-coming-in area according to the set period (within 24 hours a day of the day), thereby ensuring the effectiveness and accuracy of people flow statistics;
(4) The associated hardware Bluetooth hardware base station can be repeatedly utilized, can be secondarily deployed and used in other places after the statistical analysis is completed, and is low-carbon and environment-friendly.
Drawings
FIG. 1 is a system frame diagram of the present invention;
FIG. 2 is a workflow diagram of the present invention;
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
1-2 illustrate an embodiment of a Bluetooth AOA-based traffic remote statistics system, comprising: bluetooth base station and cloud service background and smart phone user side;
wherein the bluetooth base station includes: the device comprises a core controller, a power supply unit, a remote wireless communication unit, a Bluetooth wireless communication unit and an antenna array;
the core controller is used for coordinating and controlling the working logic flow and power consumption optimization of other peripheral modules, particularly low-power consumption control logic when the battery is used for supplying power, and the cruising duration is improved;
the power supply unit provides power for the Bluetooth base station, and the remote wireless communication unit is used for completing data communication between the Bluetooth base station and the cloud service background;
the Bluetooth wireless communication unit acquires the Bluetooth ID of the smart phone as a user ID through a wireless scanning function;
the antenna array is used for measuring the angle between the Bluetooth base station and the Bluetooth module of the smart phone so as to judge the user access direction, and meanwhile, the antenna array is matched with the Bluetooth wireless module to accurately measure the distance of the nearby smart phone;
the smart phone utilizes the standard Bluetooth module to cooperate with the base station to conduct distance measurement and direction measurement;
the cloud service background comprises a database unit, a communication unit and an operation processing unit;
the communication unit is used for accessing the public network and receiving the user ID and the timestamp information uploaded by the Bluetooth base station;
the operation processing unit is used for calculating and counting the retention time of the same user ID in the area, and filtering the user ID repeatedly entering and exiting the area within a set period (for example, within 24 hours);
the database unit is used for storing statistical data results.
The remote wireless communication unit is connected to the core controller through a serial interface and is responsible for transmitting information such as user ID and the like acquired locally by the Bluetooth base station to the cloud service background according to a communication protocol; the Bluetooth wireless communication unit is connected with the core controller through a serial interface and matched with the antenna array to realize wireless communication of a Bluetooth module of the user side smart phone, and information such as a user ID is obtained; the antenna array is connected with the Bluetooth wireless communication unit, communicates with the Bluetooth module of the user side smart phone, acquires the user ID, and judges the movement direction of the user;
when a smart phone user approaches an entrance and exit of an entrance guard, firstly, the Bluetooth base station scans a user ID, and meanwhile, the distance between the user and the Bluetooth base station is accurately measured by means of an antenna array; when the measured distance is in the preset threshold range of the system, the direction finding function of the antenna array is used for judging the in-out direction of the user; then, if the user is in the entering direction, the Bluetooth base station uploads the user ID and the entering timestamp information to a cloud service background, the cloud service background further calls a database to inquire whether the user ID has an entering record in the latest statistics period, and if the user ID has the entering record, the user ID is directly regarded as an invalid user and is not counted; otherwise, if no entry record exists in the latest statistics period, the cloud service background calls a database unit to record the user ID and the corresponding entry timestamp, and updates a people flow database;
if the walking direction of the user is out, inquiring whether the user has the same user ID in the last statistics period by the cloud service background, if not, directly considering the user as an invalid user, and not counting; otherwise, if the same user ID exists, the cloud service background invokes a database to inquire whether the user exists a record in the latest statistics period, if so, the user is directly regarded as an invalid user, and the user is not counted; otherwise, inquiring the entry history time point of the latest user ID by the cloud service background, further calling a cloud background operation processing module, counting the user retention time and updating a people flow database. According to the invention, by means of the inherent properties of the Bluetooth module and the one-man-one-machine of the standard configuration of the smart phone, the Bluetooth base station is deployed at the entrance and exit of key areas such as store operation, store site selection, store promotion and the like, and the high-precision ranging and direction finding functions of the Bluetooth AOA are utilized to judge the in-out direction of the smart phone user; the method has the advantages that the time for the user to stay in the area is counted by recording the same user ID access time point, and finally, the accurate statistics analysis of the people flow of a specific area and an access port and the time for the stay in the area is realized, so that accurate and objective data support is provided for store, super-business address selection and store sales promotion, and the method is used as an effective means for store profit prediction.
The applicant has further stated that the present invention is described by the above examples as to the implementation method and apparatus structure of the present invention, but the present invention is not limited to the above embodiments, i.e. it does not mean that the present invention must be implemented by the above methods and structures. It should be apparent to those skilled in the art that any modifications of the present invention, equivalent substitutions for the implementation method selected for the present invention, addition of steps, selection of specific modes, etc., fall within the scope of the present invention and the scope of the disclosure.
The present invention is not limited to the above embodiments, and all modes of achieving the object of the present invention by adopting the structure and method similar to those of the present invention are within the scope of the present invention.
Claims (1)
1. People flow remote statistics system based on bluetooth AOA, characterized by comprising: bluetooth base station and cloud service background and smart phone user side;
wherein the bluetooth base station includes: the device comprises a core controller, a power supply unit, a remote wireless communication unit, a Bluetooth wireless communication unit and an antenna array;
the core controller is used for coordinating and controlling the working logic flow and power consumption optimization of other peripheral modules, and the low-power consumption control logic is used for improving the endurance when the battery is used for supplying power;
the power supply unit provides power for the Bluetooth base station, and the remote wireless communication unit is used for completing data communication between the Bluetooth base station and the cloud service background;
the Bluetooth wireless communication unit acquires the Bluetooth ID of the smart phone as a user ID through a wireless scanning function;
the antenna array is used for measuring the angle between the Bluetooth base station and the Bluetooth module of the smart phone so as to judge the user access direction, and meanwhile, the antenna array is matched with the Bluetooth wireless module to accurately measure the distance of the nearby smart phone;
the smart phone utilizes the standard Bluetooth module to cooperate with the base station to conduct distance measurement and direction measurement;
the cloud service background comprises a database unit, a communication unit and an operation processing unit;
the communication unit is used for accessing the public network and receiving the user ID and the timestamp information uploaded by the Bluetooth base station;
the operation processing unit is used for calculating and counting the retention time of the same user ID in the area, and filtering the user ID repeatedly entering and exiting the area in a set period;
the database unit is used for storing statistical data results;
the remote wireless communication unit is connected to the core controller through a serial interface and is responsible for transmitting user ID information acquired locally by the Bluetooth base station to the cloud service background according to a communication protocol; the Bluetooth wireless communication unit is connected with the core controller through a serial interface and matched with the antenna array to realize wireless communication of a Bluetooth module of the user side smart phone, and user ID information is obtained; the antenna array is connected with the Bluetooth wireless communication unit, communicates with the Bluetooth module of the user side smart phone, acquires the user ID, and judges the movement direction of the user;
when a smart phone user approaches an entrance and exit of an entrance guard, firstly, the Bluetooth base station scans a user ID, and meanwhile, the distance between the user and the Bluetooth base station is accurately measured by means of an antenna array; when the measured distance is in the preset threshold range of the system, the direction finding function of the antenna array is used for judging the in-out direction of the user; then, if the user is in the entering direction, the Bluetooth base station uploads the user ID and the entering timestamp information to a cloud service background, the cloud service background further calls a database to inquire whether the user ID has an entering record in the latest statistics period, and if the user ID has the entering record, the user ID is directly regarded as an invalid user and is not counted; otherwise, if no entry record exists in the latest statistics period, the cloud service background calls a database unit to record the user ID and the corresponding entry timestamp, and updates a people flow database;
if the walking direction of the user is out, inquiring whether the user has the same user ID in the last statistics period by the cloud service background, if not, directly considering the user as an invalid user, and not counting; otherwise, if the same user ID exists, the cloud service background invokes a database to inquire whether the user exists a record in the latest statistics period, if so, the user is directly regarded as an invalid user, and the user is not counted; otherwise, inquiring the entry history time point of the latest user ID by the cloud service background, further calling a cloud background operation processing module, counting the user retention time and updating a people flow database.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106027678A (en) * | 2016-07-13 | 2016-10-12 | 桂林电子科技大学 | Scenic region tourist flow real-time statistics and tourist flow over-limit automatic early warning system and method |
| CN106028391A (en) * | 2016-05-19 | 2016-10-12 | 腾讯科技（深圳）有限公司 | Pedestrian flow statistics method and device |
| CN106303953A (en) * | 2016-07-29 | 2017-01-04 | 上海斐讯数据通信技术有限公司 | A kind of people flow rate statistical system and method |
| CN106295510A (en) * | 2016-07-26 | 2017-01-04 | 南京邮电大学 | A kind of people flow rate statistical method and system of multisensor cooperation |
| CN106934887A (en) * | 2017-02-27 | 2017-07-07 | 南京聚鲲物联网科技有限公司 | The smart bluetooth entrance guard device and control method of a kind of integrated position judgment and the direction of motion |
| CN106951989A (en) * | 2017-03-17 | 2017-07-14 | 于平 | Visitor management system based on iBeacon information pushing functions |
| CN110868536A (en) * | 2019-11-05 | 2020-03-06 | 珠海格力电器股份有限公司 | Access control system control method and access control system |
| CN210955284U (en) * | 2020-02-27 | 2020-07-07 | 深圳方圆宝信息科技服务有限公司 | Passenger flow volume statistical system |
| CN111970644A (en) * | 2020-08-31 | 2020-11-20 | 深圳市紫光新能源技术有限公司 | Bluetooth beacon base station, base station group and transceiving network for mine positioning system |
| CN112347909A (en) * | 2020-11-05 | 2021-02-09 | 上海蜂雀网络科技有限公司 | Retail store entrance and exit passenger flow statistical method |
-
2021
- 2021-02-20 CN CN202110193013.5A patent/CN113012322B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106028391A (en) * | 2016-05-19 | 2016-10-12 | 腾讯科技（深圳）有限公司 | Pedestrian flow statistics method and device |
| CN106027678A (en) * | 2016-07-13 | 2016-10-12 | 桂林电子科技大学 | Scenic region tourist flow real-time statistics and tourist flow over-limit automatic early warning system and method |
| CN106295510A (en) * | 2016-07-26 | 2017-01-04 | 南京邮电大学 | A kind of people flow rate statistical method and system of multisensor cooperation |
| CN106303953A (en) * | 2016-07-29 | 2017-01-04 | 上海斐讯数据通信技术有限公司 | A kind of people flow rate statistical system and method |
| CN106934887A (en) * | 2017-02-27 | 2017-07-07 | 南京聚鲲物联网科技有限公司 | The smart bluetooth entrance guard device and control method of a kind of integrated position judgment and the direction of motion |
| CN106951989A (en) * | 2017-03-17 | 2017-07-14 | 于平 | Visitor management system based on iBeacon information pushing functions |
| CN110868536A (en) * | 2019-11-05 | 2020-03-06 | 珠海格力电器股份有限公司 | Access control system control method and access control system |
| CN210955284U (en) * | 2020-02-27 | 2020-07-07 | 深圳方圆宝信息科技服务有限公司 | Passenger flow volume statistical system |
| CN111970644A (en) * | 2020-08-31 | 2020-11-20 | 深圳市紫光新能源技术有限公司 | Bluetooth beacon base station, base station group and transceiving network for mine positioning system |
| CN112347909A (en) * | 2020-11-05 | 2021-02-09 | 上海蜂雀网络科技有限公司 | Retail store entrance and exit passenger flow statistical method |
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