CN107306422A - A kind of method and apparatus for crowded detection - Google Patents
A kind of method and apparatus for crowded detection Download PDFInfo
- Publication number
- CN107306422A CN107306422A CN201610262806.7A CN201610262806A CN107306422A CN 107306422 A CN107306422 A CN 107306422A CN 201610262806 A CN201610262806 A CN 201610262806A CN 107306422 A CN107306422 A CN 107306422A
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- receiver
- emitter
- signal strength
- received signal
- signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0226—Traffic management, e.g. flow control or congestion control based on location or mobility
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0284—Traffic management, e.g. flow control or congestion control detecting congestion or overload during communication
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The present invention relates to a kind of method and apparatus of crowded detection, the device includes：Computing module, the received signal strength for calculating wireless signal, wherein the wireless signal is the signal from emitter that receiver is received, the diverse location of the receiver and the emitter respectively in designated area；And, determining module, for according to the received signal strength and received signal strength threshold value calculated, determining whether personnel are crowded in the designated area.Using this method and device, can come in detection zone whether personnel are crowded in a straightforward manner.
Description
Technical field
Radiotechnics is utilized to carry out crowded inspection the present invention relates to technical field of radio, more particularly to one kind
The method and apparatus of survey.
Background technology
The occasion at railway station, airport, harbour etc. is the larger place of personnel's flow-rate ratio, easily in office
Portion region forms overstaffed and personnel occur crowded, this overlong time or easily of causing for example to line up for tickets
The public safety accident that generation personnel trample.
Accordingly, it would be desirable to detect the crowded region of personnel so as to take corresponding personnel's water conservancy diversion measure with
Avoid the generation of above unfavorable condition.However, can not examine in a straightforward manner in the prior art
Survey region whether the crowded scheme of personnel.
The content of the invention
In view of the above mentioned problem of prior art, embodiments of the invention provide a kind of for crowded detection
Method and apparatus, it can come in detection zone whether personnel are crowded in a straightforward manner.
According to a kind of method for crowded detection of the embodiment of the present invention, including：Calculate wireless signal
Received signal strength, wherein the wireless signal is the signal from emitter that receiver is received, it is described
Receiver and the emitter are located at the diverse location in designated area respectively；And, according to what is calculated
Received signal strength and received signal strength threshold value, determine whether personnel are crowded in the designated area.
Wherein it is determined that in the designated area whether personnel it is crowded including：If the reception signal calculated
Intensity is more than the received signal strength threshold value, it is determined that do not have personnel crowded in the designated area；With
And, if the received signal strength calculated is not more than the received signal strength threshold value, it is determined that described
Personnel are crowded in designated area.
Wherein, calculating the received signal strength of wireless signal includes：Calculate included by the wireless signal
Multiple respective received signal strengths of signal, wherein, each in the multiple signal is the reception
The signal for one of antenna from the emitter that one of antenna of machine is received；And, base
In the respective received signal strength of the multiple signal, the received signal strength of the wireless signal is obtained.
Wherein, the designated area is closed area.
According to a kind of device for crowded detection of the embodiment of the present invention, including：Computing module, is used for
Calculate wireless signal received signal strength, wherein the wireless signal be receiver receive carry out spontaneous emission
The signal of machine, the receiver and the emitter are located at the diverse location in designated area respectively；And,
Determining module, for according to the received signal strength and received signal strength threshold value calculated, it is determined that described
Whether personnel are crowded in designated area.
Wherein, the determining module is further used for：If the received signal strength calculated is more than described
Received signal strength threshold value, it is determined that do not have personnel crowded in the designated area；And, if counted
The received signal strength of calculation is not more than the received signal strength threshold value, it is determined that people in the designated area
Member is crowded.
Wherein, the computing module includes：Module is obtained, for calculating included by the wireless signal
Multiple respective received signal strengths of signal, wherein, each in the multiple signal is the reception
The signal for one of antenna from the emitter that one of antenna of machine is received；And, obtain
Modulus block, for based on the respective received signal strength of the multiple signal, obtaining the wireless signal
Received signal strength.
Wherein, the designated area is closed area.
According to a kind of equipment of the embodiment of the present invention, including：Processor；And, memory, for depositing
Executable instruction is stored up, when the executable instruction is performed so that the computing device preceding method
Included operation.
According to a kind of computer program product of the embodiment of the present invention, including：Machine readable media, thereon
Be stored with executable instruction, when the executable instruction is performed so that machine performs preceding method and wrapped
The operation included.
According to a kind of system for crowded detection of the embodiment of the present invention, including：Emitter, for sending out
Penetrate wireless signal；Receiver, the wireless signal for receiving the emitter transmitting, wherein, it is described to connect
Receipts machine and the emitter are located at the diverse location in designated area respectively；And, processing equipment is used for
The received signal strength for the wireless signal that the receiver is received is calculated, and, according to what is calculated
Received signal strength and received signal strength threshold value determine whether personnel are crowded in the designated area.
Wherein, the emitter and the receiver each include one or more antennas, and the processing is set
The standby multiple signals for being further used for calculating included by the wireless signal that the receiver is received are each
Received signal strength, and, obtain described based on the respective received signal strength of the multiple signal
The received signal strength for the wireless signal that receiver is received, wherein, it is each in the multiple signal
Individual is one of antenna from the emitter that one of antenna of the receiver is received
Signal.
Wherein, the antenna of the antenna of the emitter and the receiver is conventional aerial, the emitter
With the receiver be arranged such that in the designated area emitter and the receiver it
Between be not present signal line-of-sight propagation.
It can be seen from the above that the scheme of the embodiment of the present invention passes through diverse location in the zone
Place transmitter and receiver, and the reception letter of the wireless signal from emitter received according to receiver
Number intensity and received signal strength threshold value determine whether personnel are crowded in region, so that, the embodiment of the present invention
Scheme can carry out detection zone in a straightforward manner whether personnel are crowded.
Brief description of the drawings
Further feature, feature, advantage and the benefit of the present invention will by the detailed description below in conjunction with accompanying drawing
Become more fully apparent.
Fig. 1 shows the schematic diagram of the system for crowded detection according to the first embodiment of the present invention.
Fig. 2 shows the flow chart of the method for crowded detection according to the first embodiment of the present invention.
Fig. 3 shows the schematic diagram of the system for crowded detection according to the second embodiment of the present invention.
Fig. 4 shows the example of the radio signal propagation between the antenna of emitter and the antenna of receiver.
Fig. 5 shows the flow chart of the method for crowded detection according to one embodiment of the present of invention.
Fig. 6 shows the schematic diagram of the device for crowded detection according to one embodiment of the present of invention.
Fig. 7 shows the schematic diagram of the equipment for crowded detection according to one embodiment of the present of invention.
Embodiment
Experiment finds that the body of people has to wireless signal slackens effect.Inventor is done based on this discovery
Go out the present invention.
Each embodiment of the present invention is described in detail next, with reference to accompanying drawing.
Referring now to Fig. 1, it illustrates be for crowded detection according to the first embodiment of the present invention
The schematic diagram of system.As shown in figure 1, system 10 can include the emitter 20 for being used to launch wireless signal
With the receiver 30 for receiving wireless signal.Here, wireless signal can be, but not limited to, WIFI
Signal, Bluetooth signal etc..Emitter 20 and receiver 30 can each have multiple conventional aerials.
Emitter 20 and receiver 30 are not located at the diverse location in the A of closed area respectively, for example but not office
It is limited to, emitter 20 and receiver 30 are arranged in closed area A two ends to cause emitter
The wireless signal of 20 transmittings covers whole closed area A.
Emitter 20 and receiver 30 are arranged such that in emitter 20 and connect in the A of closed area
The line-of-sight propagation of wireless signal is not present between receipts machine 30, and the reflection for only existing wireless signal is propagated.
In one aspect, can be by the line-of-sight propagation of the signal between emitter 20 and receiver 30
Thing B is placed obstacles on path to cause the sight that signal is not present between emitter 20 and receiver 30
Propagate.Here, barrier B is that signal is not present between emitter 20 and receiver 30 in order that obtaining
Line-of-sight propagation and be intentionally added in the A of closed area.Or, barrier B is originally closed
Already present object in the A of region, is being closed simply by emitter 20 and receiver 30 is suitably set
Region A position is to cause barrier B to be located just at the letter between emitter 20 and receiver 30
Number line-of-sight propagation path on so that in the absence of signal between emitter 20 and receiver 30
Line-of-sight propagation.
In another aspect, polarity and the pole of the antenna of receiver 30 of the antenna of emitter 20 can be made
Property it is vertical, to cause the line-of-sight propagation that wireless signal is not present between emitter 20 and receiver 30.
Referring now to Fig. 2, it illustrates the side for crowded detection according to the first embodiment of the present invention
The flow chart of method.The method shown in Fig. 2 is described in detail below with reference to the system shown in Fig. 1.
As shown in Fig. 2 in square frame 202, emitter 20 can pass through its day using predetermined power level
Line launches wireless signal.Here, emitter 20 seriatim can for example be launched by each of which antenna
Wireless signal, such as pass through its all antennas transmitting wireless signal simultaneously.
In square frame 204, receiver 30 can be received from the every of emitter 20 by each of which antenna
The wireless signal of one antenna.In one aspect, receiver 30 can cause its each antenna in difference
Time receive wireless signal, i.e. receiver 30 can cause its each antenna not in the identical time
In receive wireless signal.In another aspect, receiver 30 can cause its each antenna to receive simultaneously
Wireless signal.
In square frame 206, it is next spontaneous that each antenna that receiver 30 can calculate receiver 30 is received
Penetrate the received signal strength of the wireless signal of each antenna of machine 20.
In square frame 208, receiver 30 can each antenna based on receiver 30 receive come spontaneous
The received signal strength of the wireless signal of each antenna of machine 20 is penetrated, to calculate the reception of receiver 30
The received signal strength of wireless signal from emitter 20.Such as, but not limited to, receiver 30 can
To calculate the wireless communication for each antenna from emitter 20 that each antenna of receiver 30 is received
Number received signal strength average value, be used as receiver 30 receive the wireless communication from emitter 20
Number received signal strength.
In square frame 210, receiver 30 may determine that receiver 30 receive from the wireless of emitter 20
Whether the received signal strength of signal is more than received signal strength threshold value H.Here, for example can with but not office
It is limited to, can receive the receiver 30 measured when personnel are crowded in the A of closed area is next spontaneous
The received signal strength of wireless signal of machine 20 is penetrated as received signal strength threshold value H.
In square frame 212, receiver 30 can determine closed area A based on the judged result of square frame 210
In whether personnel are crowded.Specifically, if the judged result of square frame 210 shows what receiver 30 was received
The received signal strength of wireless signal from emitter 20 is more than received signal strength threshold value H, then connects
Receipts machine 30 can determine do not have personnel crowded in the A of closed area, and, if the judgement of square frame 210
As a result show that the received signal strength for the wireless signal from emitter 20 that receiver 30 is received is not more than
Received signal strength threshold value H, then receiver 30 can determine that personnel are crowded in the A of closed area.
Referring now to Fig. 3, it illustrates be for crowded detection according to the second embodiment of the present invention
The schematic diagram of system.As shown in figure 3, system 40 can include emitter 50 and receiver 60.Emitter
50 and receiver 60 respectively be located at region A ' in diverse location, such as, but not limited to, emitter
50 and receiver 60 be arranged in region A ' two ends with cause emitter 50 launch wireless signal
Cover whole region A '.Here, region A ' can be totally-enclosed region, semiclosed region or opening
Region.
Emitter 50 can include three antennas TC1, TC2 and TC3, and receiver 60 can be with three days
Line RC1, RC2 and RC3.Antenna TC1, TC2, TC3, RC1, RC2 and RC3 have identical
Type, belong to leakage coaxial cable or leakage waveguide.
Antenna TC1, TC2, TC3 and the antenna RC1 of receiver 60 of emitter 50, RC2,
Signal propagation between RC3 can be that the line-of-sight propagation of signal or reflection are propagated.Fig. 4 is shown in transmitting
The example of radio signal propagation between the antenna of machine 50 and the antenna of receiver 60.
Using the system shown in Fig. 3 come detection zone A ' whether shown in the crowded method of personnel and Fig. 2
Method is identical, therefore, and detailed description is omitted here.
It can be seen from the above that the scheme of the embodiment of the present invention passes through diverse location in the zone
Place transmitter and receiver, and the reception letter of the wireless signal from emitter received according to receiver
Number intensity and received signal strength threshold value determine whether personnel are crowded in region, so that, the embodiment of the present invention
Scheme can carry out detection zone in a very simple way whether personnel are crowded.
Other modifications
Although it will be appreciated by those skilled in the art that in a second embodiment, emitter 50 and receiver
60 each include three antennas, however, the invention is not limited in this.In some other reality of the present invention
Apply in example, emitter 50 and receiver 60 can also each include one, two or three above antenna.
Although it will be appreciated by those skilled in the art that in the first embodiment, emitter 20 and receiver
30 are arranged such that to be not present wirelessly between emitter 20 and receiver 30 in the A of closed area
The line-of-sight propagation of signal, however, the invention is not limited in this.In some other embodiment of the present invention
In, if receiver 30 can distinguish the line-of-sight propagation of signal and reflection is propagated, in the He of emitter 20
Can also there are the line-of-sight propagation of wireless signal, in this case, receiver 30 between receiver 30
The letter for removing the signal of line-of-sight propagation from the wireless signal received and being propagated merely with remaining reflection
Number come calculate receiver 30 reception the wireless signal from emitter 20 received signal strength.Or,
In some embodiments of the invention, there can also be wireless communication between emitter 20 and receiver 30
Number line-of-sight propagation, but by appropriate method (such as, but not limited to, by adjusting emitter 20
Antenna polarity and receiver 30 antenna polarity between direction etc.) cause in emitter 20 and
The signal intensity of the signal of line-of-sight propagation between receiver 30 is less than predetermined threshold, so that in hair
The signal for the line-of-sight propagation penetrated between machine 20 and receiver 30 will not severe jamming be in emitter 20 and connects
The signal that reflection between receipts machine 30 is propagated, in such a case, it is possible to using emitter 20 and connecing
The signal of line-of-sight propagation between receipts machine 30 calculates coming for the reception of receiver 30 with the signal of reflection propagation
The received signal strength of the wireless signal of spontaneous emission machine 20.
Although it will be appreciated by those skilled in the art that in the first embodiment, emitter 20 and receiver
30 each include multiple antennas, however, the invention is not limited in this.In some other reality of the present invention
Apply in example, emitter 20, which can only include an antenna and/or receiver 30, can only include an antenna.
Although it will be appreciated by those skilled in the art that in the above embodiments, square frame 208- square frames 212
Operation be by receiver 30 or 60 perform, however, the invention is not limited in this.In the present invention
Some other embodiment in, system 10 or 40 can also include be used for perform square frame 208- square frames 212
Operation processing equipment.In this case, receiver 30 or 60 no longer performs square frame 208- square frames
212 operation.
Referring now to Fig. 5, it illustrates the side for crowded detection according to one embodiment of the present of invention
The flow chart of method.Method 500 shown in Fig. 5 can be by receiver 30,60 or miscellaneous equipment (example
As the aforementioned processing equipment) realize.
As shown in figure 5, method 500 can include, in square frame 502, the reception letter of wireless signal is calculated
Number intensity, wherein the wireless signal is the signal from emitter that receiver is received, the receiver
It is located at the diverse location in designated area respectively with the emitter.Method 500 can also include, in side
Frame 504, according to the received signal strength and received signal strength threshold value calculated, determines the specified area
Whether personnel are crowded in domain.
In one aspect, square frame 504 can include：If the received signal strength calculated is more than described
Received signal strength threshold value, it is determined that do not have personnel crowded in the designated area；And, if counted
The received signal strength of calculation is not more than the received signal strength threshold value, it is determined that people in the designated area
Member is crowded.
In another aspect, square frame 502 can include：Calculate multiple letters included by the wireless signal
Number respective received signal strength, wherein, each in the multiple signal is its of the receiver
In the signal of one of antenna from the emitter that receives of antenna；And, based on described
Multiple respective received signal strengths of signal, obtain the received signal strength of the wireless signal.
In yet another aspect, the designated area is closed area.
Referring now to Fig. 6, it illustrates the dress for crowded detection according to one embodiment of the present of invention
The schematic diagram put.Device 600 shown in Fig. 6 can using software, hardware (for example integrated circuit or
DSP etc.) or the mode of software and hardware combining realize.Device 600 shown in Fig. 6 can be located at receiver
30th, 60 or miscellaneous equipment (example processing equipment as the aforementioned) in.
As shown in fig. 6, device 600 can include computing module 602 and determining module 604.Calculate mould
Block 602 can be used for the received signal strength for calculating wireless signal, wherein the wireless signal is receiver
The signal from emitter received, the receiver and the emitter are located in designated area respectively
Diverse location.Determining module 604 can be used for strong according to the received signal strength and reception signal that are calculated
Threshold value is spent, determines whether personnel are crowded in the designated area.
In one aspect, determining module 604 can be further used for：If the reception signal calculated is strong
Degree is more than the received signal strength threshold value, it is determined that do not have personnel crowded in the designated area；And,
If the received signal strength calculated is not more than the received signal strength threshold value, it is determined that described to specify
Personnel are crowded in region.
In another aspect, computing module 602 can include obtaining module and acquisition module.The acquisition mould
Block can be used for calculating the respective received signal strength of multiple signals included by the wireless signal, its
In, each in the multiple signal be the receiver one of antenna receive from described
The signal of one of antenna of emitter.The acquisition module can be used for based on the multiple signal each
Received signal strength, obtain the received signal strength of the wireless signal.
In yet another aspect, the designated area is closed area.
Referring now to Fig. 7, it illustrates the equipment for crowded detection according to one embodiment of the invention
Schematic diagram.As shown in fig. 7, equipment 700 can include processor 702 and memory 704.Storage
Device 704 is used to store executable instruction, when the executable instruction is performed so that processor 702 is performed
Operation included by each foregoing method.
Embodiments of the invention also provide a kind computer program product, including machine readable media, its
On be stored with executable instruction, when the executable instruction is performed so that machine performs each foregoing side
Operation included by method.
It will be appreciated by those skilled in the art that each embodiment disclosed above can be real without departing from invention
Various changes and modifications are made in the case of matter.Therefore, protection scope of the present invention should be by appended power
Sharp claim is limited.
Claims (13)
1. a kind of method for crowded detection, including：
The received signal strength of wireless signal is calculated, wherein the wireless signal is coming from for receiver reception
The signal of emitter, the receiver and the emitter are located at the diverse location in designated area respectively；
And
According to the received signal strength and received signal strength threshold value calculated, determine in the designated area
Whether personnel are crowded.
2. the method for claim 1, wherein determine whether personnel gather around in the designated area
Extrude and include：
If the received signal strength calculated is more than the received signal strength threshold value, it is determined that the finger
Determine there is no personnel crowded in region；And
If the received signal strength calculated is not more than the received signal strength threshold value, it is determined that described
Personnel are crowded in designated area.
3. the method for claim 1, wherein calculate the received signal strength bag of wireless signal
Include：
The respective received signal strength of multiple signals included by the wireless signal is calculated, wherein, it is described
Each in multiple signals be the receiver one of antenna receive come from the emitter
One of antenna signal；And
Based on the respective received signal strength of the multiple signal, the reception signal of the wireless signal is obtained
Intensity.
4. the method for claim 1, wherein the designated area is closed area.
5. a kind of device for crowded detection, including：
Computing module, the received signal strength for calculating wireless signal, wherein the wireless signal is to connect
The signal from emitter that receipts machine is received, the receiver and the emitter are located at designated area respectively
Interior diverse location；And
Determining module, for according to the received signal strength and received signal strength threshold value calculated, it is determined that
Whether personnel are crowded in the designated area.
6. device as claimed in claim 5, wherein
The determining module is further used for：Believe if the received signal strength calculated is more than described receive
Number intensity threshold, it is determined that do not have personnel crowded in the designated area；And, if what is calculated connects
Receive signal intensity and be not more than the received signal strength threshold value, it is determined that personnel gather around in the designated area
Squeeze.
7. device as claimed in claim 5, wherein, the computing module includes：
Module is obtained, respective to receive signal strong for calculating multiple signals included by the wireless signal
Degree, wherein, each in the multiple signal is the coming of receiving of one of antenna of the receiver
From the signal of one of antenna of the emitter；And
Acquisition module, it is described wireless for based on the respective received signal strength of the multiple signal, obtaining
The received signal strength of signal.
8. device as claimed in claim 5, wherein, the designated area is closed area.
9. a kind of equipment, including：
Processor；And
Memory, for storing executable instruction, when the executable instruction is performed so that described
Operation included by any one in computing device claim 1-4.
10. a kind of computer program product, including：
Machine readable media, is stored thereon with executable instruction, when the executable instruction is performed, makes
Obtain the operation included by any one in machine perform claim requirement 1-4.
11. a kind of system for crowded detection, including：
Emitter, for launching wireless signal；
Receiver, the wireless signal for receiving the emitter transmitting, wherein, the receiver and institute
State the diverse location that emitter is located in designated area respectively；And
Processing equipment, the received signal strength for calculating the wireless signal that the receiver is received,
And, the designated area is determined according to the received signal strength and received signal strength threshold value calculated
In whether personnel are crowded.
12. system as claimed in claim 11, wherein
The emitter and the receiver each include one or more antennas,
The processing equipment is further used for calculating included by the wireless signal that the receiver is received
The respective received signal strength of multiple signals, and, based on the respective reception signal of the multiple signal
Intensity obtains the received signal strength for the wireless signal that the receiver is received, wherein, it is described many
Each in individual signal be the receiver one of antenna receive from the emitter
The signal of one of antenna.
13. system as claimed in claim 11, wherein
The antenna of the antenna of the emitter and the receiver is conventional aerial,
The emitter and the receiver are arranged such that the emitter in the designated area
The line-of-sight propagation of signal is not present between the receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610262806.7A CN107306422B (en) | 2016-04-25 | 2016-04-25 | Method and device for congestion detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610262806.7A CN107306422B (en) | 2016-04-25 | 2016-04-25 | Method and device for congestion detection |
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| Publication Number | Publication Date |
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| CN107306422A true CN107306422A (en) | 2017-10-31 |
| CN107306422B CN107306422B (en) | 2021-06-25 |
Family
ID=60150567
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610262806.7A Active CN107306422B (en) | 2016-04-25 | 2016-04-25 | Method and device for congestion detection |
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| CN (1) | CN107306422B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110087255A (en) * | 2019-04-22 | 2019-08-02 | 新华三技术有限公司 | Information statistical method and device |
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| CN110087255B (en) * | 2019-04-22 | 2022-03-01 | 新华三技术有限公司 | Information statistical method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107306422B (en) | 2021-06-25 |
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