CN111711926B - Personnel geographic position distribution statistical method and system based on distributed base station - Google Patents
Personnel geographic position distribution statistical method and system based on distributed base station Download PDFInfo
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- CN111711926B CN111711926B CN202010522092.5A CN202010522092A CN111711926B CN 111711926 B CN111711926 B CN 111711926B CN 202010522092 A CN202010522092 A CN 202010522092A CN 111711926 B CN111711926 B CN 111711926B
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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
- H04W4/029—Location-based management or tracking services
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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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
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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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
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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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Abstract
The invention relates to a personnel geographic position distribution statistical method and a system based on a distributed base station, wherein the method comprises the following steps: covering a target area by at least two radio frequency units; detecting the number of personnel in the coverage range of each radio frequency unit through a radar detection module of each radio frequency unit; outputting the number of the personnel in the coverage range of the radio frequency unit detected by the radar detection module to the baseband unit through the digital processing module of each radio frequency unit; outputting the number of personnel in the coverage range of each radio frequency unit to an MEC server through the baseband unit; the position distribution data of the radio frequency unit is called out through the MEC server according to the information of the radio frequency unit; and converting the geographical position distribution of the personnel in the target area by the MEC server based on the position distribution data of the radio frequency units and the number of the personnel in the coverage area of each radio frequency unit. The invention can realize the statistics of the personnel geographical position distribution in the target area.
Description
[ technical field ] A
The invention relates to the field of mobile communication, in particular to a personnel geographic position distribution statistical method and a personnel geographic position distribution statistical system based on a distributed base station.
[ background ] A method for producing a semiconductor device
The distribution statistics of the geographic positions of the personnel in the large indoor area has very important significance for emergency events, public safety management, property management, commercial propaganda, investment and the like.
Conventionally, a distributed base station is adopted to realize the statistics of the geographical position distribution of people in a target area, such as a building, most of the people need to carry a positioning terminal, the positioning module of a radio frequency unit of the distributed base station is communicated with the positioning module of the positioning terminal to realize the geographical position of the people, but if the positioning terminal of people is powered off or the people do not carry the positioning terminal, the statistics is not carried out.
Therefore, an improved statistical method and system for people geographical location distribution are needed.
[ summary of the invention ]
The invention aims to overcome the defects of the technology and provide a personnel geographic position distribution statistical method and a personnel geographic position distribution statistical system based on a distributed base station, so that the personnel geographic position distribution can be counted without carrying a positioning terminal by personnel in a target area.
The invention provides a personnel geographic position distribution statistical method based on a distributed base station, which comprises the following steps:
covering a target area by at least two radio frequency units;
detecting the number of people in the coverage range of each radio frequency unit through a radar detection module of each radio frequency unit;
outputting the number of the personnel in the coverage range of the radar detection module to the baseband unit through the digital processing module of each radio frequency unit;
outputting the number of personnel in the coverage range of each radio frequency unit to an MEC server through the baseband unit;
the position distribution data of the radio frequency unit is called out through the MEC server according to the information of the radio frequency unit;
and converting the geographical position distribution of the personnel in the target area by the MEC server based on the position distribution data of the radio frequency units and the personnel number in the coverage area of each radio frequency unit.
Further, the target area is a three-dimensional space;
the at least two radio frequency units are distributed at different heights in the three-dimensional space;
and the step of converting the geographical position distribution of the personnel in the target area comprises the steps of dividing the three-dimensional space into a plurality of layers and distributing the geographical positions of the personnel in the target area to the corresponding layers.
Further, the three-dimensional space is a space defined by a building;
the position distribution data of the radio frequency unit comprises the floor information of the radio frequency unit and the position information of the floor plan.
Further, the coverage area of each radio frequency unit is the same as the detection area of the radar detection module.
Further, the step of converting the geographical position distribution of the people in the target area further includes a deduplication process, and the deduplication process includes: and correcting the number of the personnel detected by the radio frequency unit with overlapped coverage ranges by using a correction coefficient.
Further, the correction coefficient is calculated according to the number of the detected personnel in the communication positioning of the radio frequency units with overlapped coverage areas.
The invention provides a personnel geographic position distribution statistical system based on a distributed base station, which comprises an MEC server, a baseband unit in communication connection with the MEC server, and at least two radio frequency units covering a target area in communication connection with the baseband unit, wherein the radio frequency units comprise: the radar detection module is used for detecting the number of people in the coverage area; the digital processing module is used for outputting the number of the personnel in the coverage range of the radar detection module to the baseband unit;
the baseband unit comprises a transmission module used for outputting the number of personnel in the coverage range of each radio frequency unit to the MEC server;
the MEC server comprises a database and a processing unit, the database stores the position distribution data of the radio frequency units, and the processing unit is used for calling out the position distribution data of the radio frequency units according to the information of the radio frequency units and converting the personnel geographical position distribution in the target area based on the position distribution data of the radio frequency units and the personnel number in the coverage area of each radio frequency unit.
Further, the target area is a three-dimensional space;
the at least two radio frequency units are distributed at different heights in the three-dimensional space;
converting the personnel geographic position distribution in the target area, wherein the step of converting the personnel geographic position distribution in the target area comprises the steps of dividing the three-dimensional space into a plurality of layers and distributing the personnel geographic position distribution in the target area to the corresponding layers;
the three-dimensional space is defined by a building;
the position distribution data of the radio frequency unit comprises the floor information of the radio frequency unit and the position information of the floor plan.
Further, the coverage area of each radio frequency unit is the same as the detection area of the radar detection module.
Further, the MEC server further comprises a duplication elimination module, and the duplication elimination module is used for carrying out correction processing on the number of the persons detected by the radio frequency unit with the overlapped coverage ranges through correction coefficients.
According to the invention, the number of personnel in the coverage area of each radio frequency unit can be detected through the radar detection module arranged on each radio frequency unit, and the geographical position distribution of the personnel in the target area can be converted through the MEC server based on the position distribution data of the radio frequency units and the number of the personnel in the coverage area of each radio frequency unit, so that the geographical position distribution of the personnel in the target area is counted, the personnel in the target area are not required to carry a positioning terminal, and the market demand is greatly met.
[ description of the drawings ]
Fig. 1 is a schematic block diagram of a system for statistical distribution of geographic locations of people based on a distributed base station according to an embodiment of the present invention;
FIG. 2 is a block diagram schematic of the radio frequency unit of FIG. 1;
FIG. 3 is a block diagram schematic of the MEC server shown in FIG. 1;
fig. 4 is a schematic flow chart of a statistical method for geographical distribution of people provided by the statistical system for geographical distribution of people shown in fig. 1.
[ detailed description ] embodiments
The invention is further described below with reference to the figures and examples.
Referring to fig. 1 to fig. 3, the system for counting the distribution of geographic locations of people based on a distributed base station according to the present invention includes an MEC (Mobile Edge Computing) server 10, a baseband unit 20 communicatively connected to the MEC server 10, and at least two radio frequency units 30 communicatively connected to the baseband unit 20 and covering a target area.
The radio frequency unit 30 includes: a radar detection module 32 for detecting the number of persons within its coverage area; and the digital processing module 31 is used for outputting the number of people in the coverage range of the radar detection module 32 to the baseband unit 20.
In this embodiment, the coverage area of each rf unit 30 is the same as the detection area of its radar detection module 32.
In this embodiment, the digital processing module 31 is provided with a Common Public Radio Interface (CPRI) Interface, and the CPRI Interface is connected to the baseband unit 20. The digital processing module 31 outputs the number of people in the coverage area of the radio frequency unit 30 detected by the radar detection module 32 to the baseband unit 20 through the CPRI interface.
The baseband unit 20 includes a transmission module for outputting the number of persons within the coverage of each radio frequency unit 30 to the MEC server 10.
The MEC server 10 includes a database 12 and a processing unit 11. The database 12 stores the position distribution data of the radio frequency units 30, and the processing unit 11 is configured to retrieve the position distribution data of the radio frequency units 30 according to the information of the radio frequency units 30, and convert the geographical position distribution of the people in the target area based on the position distribution data of the radio frequency units 30 and the number of people in the coverage area of each radio frequency unit 30. The information of the radio frequency unit 30 is, for example, location information, number information, etc. of the radio frequency unit 30.
The target area is a three-dimensional space, and at least two radio frequency units 30 are distributed at different heights in the three-dimensional space.
The conversion of the geographical position distribution of the person in the target area by the processing unit 11 includes dividing the three-dimensional space into a plurality of layers and distributing the geographical position of the person in the target area to the corresponding layer.
The three-dimensional space is defined by a building, and the position distribution data of the radio frequency unit 30 includes information of a floor where the radio frequency unit 30 is located and position information of a floor plan.
Further, the MEC server 10 further includes a duplicate removal module 13, and the duplicate removal module 13 is configured to correct, through the correction coefficient, the number of people detected by the radio frequency unit 30 whose coverage areas overlap, so as to improve the detection accuracy.
For example, for two rf units 30 with overlapping coverage areas of the same operator (e.g., link), the number of people in the coverage areas detected by the two rf units 30 may be added (assumed to be 8+4), and the result (8+4) is compared with the sum (assumed to be 10) of the actual number of people detected by the communication positioning of the two rf units 30, so as to obtain a parameter (12/10), which may be used as the correction coefficient or a factor of the correction coefficient. For another example, for the radio frequency units 30 with two overlapping coverage areas of two or more operators, the number of people detected by the communication locations of the radio frequency units 30 of the two or more operators may be summarized to obtain a similar parameter. This parameter is used as the correction factor or as a factor of the correction factor. It is understood that the calculation of the correction coefficients may be in other ways.
Referring to fig. 4, the statistical method for geographical distribution of people based on distributed base stations according to the present invention includes the following steps:
s1, covering the target area by at least two radio frequency units 30.
S2, the number of people in its coverage area is detected by the radar detection module 32 of each radio unit 30. The coverage area of each rf unit 30 is the same as the detection area of its radar detection module 32.
S3, the digital processing module 31 of each rf unit 30 outputs the number of persons in the coverage area detected by the radar detection module 32 to the baseband unit 20.
S4, the number of people in the coverage area of each rf unit 30 is output to the MEC server 10 through the baseband unit 20.
S5, retrieving the location distribution data of the radio frequency unit 30 through the MEC server 10 according to the information of the radio frequency unit 30.
S6, the MEC server 10 converts the geographical location distribution of the people in the target area based on the location distribution data of the radio frequency units 30 and the number of people in the coverage area of each radio frequency unit 30.
In this embodiment, the target area is a three-dimensional space. At least two radio frequency units 30 are distributed at different heights in the three-dimensional space. The step of converting the personnel geographic position distribution in the target area comprises the steps of dividing the three-dimensional space into a plurality of layers and distributing the personnel geographic position in the target area to the corresponding layers.
The three-dimensional space is defined by a building. The location distribution data of the radio frequency unit 30 includes information on the floor where the radio frequency unit 30 is located, and location information on the floor plan.
The step of converting the geographical position distribution of the personnel in the target area further comprises a duplicate removal process, wherein the duplicate removal process comprises the following steps: the number of the persons detected by the radio frequency unit 30 with the overlapped coverage areas is corrected through the correction coefficient, so that the detection precision can be improved. And calculating the correction coefficient according to the number of the detected personnel in the communication positioning of the radio frequency units 30 with overlapped coverage areas.
According to the invention, the number of personnel in the coverage area of each radio frequency unit 30 can be detected through the radar detection module 32 arranged on each radio frequency unit 30, and the geographical position distribution of the personnel in the target area can be converted through the MEC server 10 based on the position distribution data of the radio frequency units 30 and the number of the personnel in the coverage area of each radio frequency unit 30, so that the geographical position distribution of the personnel in the target area can be counted, the personnel in the target area are not required to carry a positioning terminal, and the market demand is greatly met.
The above examples merely represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications, such as combinations of different features in various embodiments, may be made without departing from the spirit of the invention, and these are within the scope of the invention.
Claims (8)
1. A personnel geographic position distribution statistical method based on a distributed base station is characterized by comprising the following steps:
covering a target area by at least two radio frequency units;
detecting the number of people in the coverage range of each radio frequency unit through a radar detection module of the radio frequency unit; the coverage range of each radio frequency unit is the same as the detection range of the radar detection module;
outputting the number of the personnel in the coverage range of the radar detection module to a baseband unit through a digital processing module of each radio frequency unit;
outputting the number of personnel in the coverage range of each radio frequency unit to an MEC server through the baseband unit;
the position distribution data of the radio frequency unit is called out through the MEC server according to the information of the radio frequency unit;
converting, by the MEC server, geographical location distribution of people in the target area based on location distribution data of the radio frequency units and the number of people in a coverage area of each radio frequency unit; the step of converting the geographical position distribution of the people in the target area further comprises a deduplication process, wherein the deduplication process comprises: correcting the number of the personnel detected by the radio frequency unit with overlapped coverage ranges through a correction coefficient; and calculating the correction coefficient according to the number of personnel detected by a radar detection module of the radio frequency unit with overlapped coverage areas and the number of personnel detected by communication positioning.
2. The statistical method of geographical distribution of people as in claim 1,
the target area is a three-dimensional space;
the at least two radio frequency units are distributed at different heights in the three-dimensional space;
and the step of converting the geographical position distribution of the personnel in the target area comprises the steps of dividing the three-dimensional space into a plurality of layers and distributing the geographical positions of the personnel in the target area to the corresponding layers.
3. The statistical method of geographical distribution of people as in claim 2,
the three-dimensional space is defined by a building;
the position distribution data of the radio frequency unit comprises the floor information of the radio frequency unit and the position information of the floor plan.
4. The statistical method for personnel geographical location distribution as claimed in claim 1, wherein for two radio frequency units with overlapping coverage areas of the same operator, the sum of personnel numbers in the coverage areas detected by the two radio frequency units is compared with the sum of actual personnel numbers detected by the communication positioning of the two radio frequency units, so as to obtain a parameter, and the parameter is used as the correction coefficient.
5. The statistical method for geographic personnel location distribution as recited in claim 1, wherein for two or more radio frequency units with two overlapping coverage areas of two or more operators, the sum of the numbers of personnel in the coverage areas detected by the two or more radio frequency units is compared with the sum of the actual numbers of personnel detected by the communication positioning of the two or more radio frequency units, so as to obtain a parameter, and the parameter is used as the correction coefficient.
6. A personnel geographic position distribution statistical system based on a distributed base station comprises an MEC server, a baseband unit in communication connection with the MEC server, and at least two radio frequency units covering a target area in communication connection with the baseband unit,
the radio frequency unit includes: the radar detection module is used for detecting the number of people in the coverage area; the digital processing module is used for outputting the number of the personnel in the coverage range detected by the radar detection module to the baseband unit;
the coverage range of each radio frequency unit is the same as the detection range of the radar detection module;
the baseband unit comprises a transmission module used for outputting the number of personnel in the coverage range of each radio frequency unit to the MEC server;
the MEC server comprises a database and a processing unit, the database stores the position distribution data of the radio frequency units, the processing unit is used for calling out the position distribution data of the radio frequency units according to the information of the radio frequency units, and the geographical position distribution of the personnel in the target area is converted based on the position distribution data of the radio frequency units and the personnel number in the coverage area of each radio frequency unit;
the MEC server further comprises a duplication elimination module, wherein the duplication elimination module is used for correcting the number of the personnel detected by the radio frequency units with the overlapped coverage areas through correction coefficients, and calculating the correction coefficients according to the number of the personnel detected by the radar detection modules of the radio frequency units with the overlapped coverage areas and the number of the personnel detected by communication positioning.
7. The people geographical location distribution statistics system of claim 6,
the target area is a three-dimensional space;
the at least two radio frequency units are distributed at different heights in the three-dimensional space;
converting the personnel geographic position distribution in the target area, wherein the step of converting the personnel geographic position distribution in the target area comprises the steps of dividing the three-dimensional space into a plurality of layers and distributing the personnel geographic position in the target area to the corresponding layers;
the three-dimensional space is defined by a building;
the position distribution data of the radio frequency unit comprises the information of the floor where the radio frequency unit is located and the position information of the floor plan.
8. The people geographical location distribution statistical system of claim 6, characterized in that, the coverage area of each radio frequency unit is the same as the detection area of its radar detection module.
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