CN105611494A - Crowd remote-sensing monitoring system and crowd remote-sensing monitoring method based on mobile phone - Google Patents
Crowd remote-sensing monitoring system and crowd remote-sensing monitoring method based on mobile phone Download PDFInfo
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- CN105611494A CN105611494A CN201410648600.9A CN201410648600A CN105611494A CN 105611494 A CN105611494 A CN 105611494A CN 201410648600 A CN201410648600 A CN 201410648600A CN 105611494 A CN105611494 A CN 105611494A
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Abstract
The invention discloses a crowd remote-sensing monitoring system and a crowd remote-sensing monitoring method based on a mobile phone. The crowd remote-sensing monitoring system comprises a mobile phone signal receiving device (100) used for directionally receiving a mobile phone signal in a monitoring area, and a signal processing device (200) used for calculating the number of people and the distribution positions of people in the monitoring area according to the signal received by the mobile phone signal receiving device (100). According to the crowd remote-sensing monitoring system provided by the invention, the number of people and the distribution positions of people can be calculated based on the hardware coding and signal strength of a mobile phone signal. The calculation method is simple, high in precision, low in cost and easy to implement.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of crowd's remote sense monitoring system based on mobile phone andMethod.
Background technology
In the place of a large amount of crowd massings, as close stream of peoples such as rally, parade, megastore, large-scale activitiesThe region of collection, monitoring is in the personnel amount of these specific regions, to personnel's supervision and people in emergency circumstancesMember's evacuations etc. are significant. In addition, after various disasters (as earthquake, fire etc.) occur, fastDetermine disaster area number and distributing position, to Post disaster relief and important.
In prior art, people have also explored the problem that a lot of methods solve above-noted persons' monitoring and locate,As personal monitoring (counting), image monitoring, infrared monitoring etc. But these methods use not side of the utmost pointJust, technical costs is higher, and error is very large.
At present, mobile phone is extensively adopted by society. Mobile phone can be launched various types of signal, as mobile communication letterNumber, Bluetooth signal, WIFI signal and radiofrequency signal etc. But, in prior art, do not utilize mobile phoneThese signals realize the technical scheme of personnel amount and distributing position being carried out to precise monitoring.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, for existing to personnel amount and distributing positionThe technical scheme of monitoring is used the defect inconvenient, technical costs is high and error is very large, provides one to makeBy convenient, cost is low and accuracy is high crowd's remote sense monitoring system and method based on mobile phone.
The present invention proposes following technical scheme with regard to above-mentioned technical problem:
The invention provides a kind of crowd's remote sense monitoring system based on mobile phone, it is characterized in that, comprise orientationReceive the mobile phone signal receiving system of the mobile phone signal in monitored area and receive according to described mobile phone signalThe calculated signals that device receives obtains the personnel amount of this monitored area and the signal processing device of distributing positionPut;
Described mobile phone signal receiving system comprises: for the directional aerial of directional reception mobile phone signal, for connecingReceive signal that described directional aerial receives and by the signal reception of signal demodulation and demodulating unit, for readingThe signal hardware coding of the hardware encoding in the signal after described signal reception and demodulating unit demodulation reads listUnit and for measuring the signal strength measurement list of signal strength signal intensity of the received signal of described directional aerialUnit;
Described signal processing apparatus comprises: for calculate the described hardware encoding within effective time quantity,And according to the personnel of the personnel amount in the quantity of described hardware encoding and described signal strength signal intensity calculating monitored areaQuantity computing module, points to the orientation module in the orientation of the mobile phone that sends signal for measuring described directional aerial,And for calculate distance the basis of described mobile phone signal receiving system to mobile phone according to described signal strength signal intensityThe described directional aerial that the distance of calculating and described orientation module provide points to the orientation of the mobile phone that sends signalCalculate the distributing position computing module of the position coordinates of mobile phone.
In the above-mentioned crowd's remote sense monitoring system of the present invention, described mobile phone signal receiving system comprises for receivingThe signal of communication receiver module of mobile communication signal, receive mould for the Bluetooth signal that receives Bluetooth of mobile phone signalPiece, for receiving the WIFI signal receiving module of mobile phone WIFI signal and for receiving mobile phone radio frequency signalRadiofrequency signal receiver module;
Described signal of communication receiver module, described Bluetooth signal receiver module, described WIFI signal receiving moduleAnd described radiofrequency signal receiver module all include described directional aerial, described signal reception and demodulating unit,Described signal hardware coding reading unit and described signal strength measurement unit.
In the above-mentioned crowd's remote sense monitoring system of the present invention, described distributing position computing module for according to described inThe signal strength signal intensity of the received each signal of mobile phone signal receiving system and the mobile phone set up in advance every kindThe attenuation model that signal is decayed with propagation distance, obtains the propagation distance of each signal, thereby obtains eachMobile phone is to the distance of described mobile phone signal receiving system.
In the above-mentioned crowd's remote sense monitoring system of the present invention, described orientation module comprises for rotating described orientationAntenna so regulate the controllable rotary platform of the direction of this directional aerial, for measuring described directional aerial orientationVariable quantity directional gyro and be arranged at sitting in space for responding to described directional gyro on this directional gyroThe variation in the magnetic field that mark is fastened, and then proofread and correct the variable quantity in described directional aerial orientation, thus the orientation of measuringThe directed Magnetic Sensor in the orientation of antenna.
In the above-mentioned crowd's remote sense monitoring system of the present invention, the position coordinates of mobile phone is:
X＝X0+dcosa
Y＝Y0+dsina
Wherein, X0、Y0For the position coordinates of described mobile phone signal receiving system in described space coordinates; aThe angle of the current orientation of pointing to mobile phone for described directional aerial in described space coordinates; D arrives institute for mobile phoneState the distance of mobile phone signal receiving system.
In the above-mentioned crowd's remote sense monitoring system of the present invention, described personnel amount computing module is also for according to instituteState the position of all mobile phones in the monitored area that distributing position computing module measures and judge whether to exist samePut the situation with two or more mobile phones, if so, obtain and to there are two or more mobile phonesThe quantity of position and all locational mobile phone total quantitys with two or more mobile phones;
The quantity that personnel amount in described monitored area equals the hardware encoding within effective time deducts letterNumber intensity is lower than the quantity of the hardware encoding of the signal strength signal intensity predetermined minimum value of mobile phone in monitored area, then deductsThe locational mobile phone total quantity with two or more mobile phones used, adds and has two or twoThe quantity of the position of above mobile phone.
The present invention also provides a kind of crowd's remote-sensing monitoring method based on mobile phone, comprising:
Step S1, by the mobile phone signal in mobile phone signal receiving system directional reception monitored area;
Step S2, obtain personnel amount and the distributing position of this monitored area according to received calculated signals;
Described step S1 comprises:
By the mobile phone signal in directional aerial directional reception monitored area; Described in demodulation, directional aerial receivesSignal; Read the hardware encoding in the signal after demodulation; Measure the received signal of described directional aerialSignal strength signal intensity;
Described step S2 comprises:
Calculate the quantity of described hardware encoding within effective time and according to the quantity of described hardware encoding andDescribed signal strength signal intensity is calculated the personnel amount in monitored area;
Measure the orientation that described directional aerial points to the mobile phone that sends signal; Calculate institute according to described signal strength signal intensityStating mobile phone signal receiving system points to the distance of mobile phone and according to the distance of calculating and described directional aerialThe position coordinates of mobile phone is calculated in the orientation of sending the mobile phone of signal.
In the above-mentioned crowd's remote-sensing monitoring method of the present invention, described step S2 also comprises:
According to the signal strength signal intensity of the received each signal of described mobile phone signal receiving system and foundation in advanceEvery kind of signal of mobile phone attenuation model of decaying with propagation distance, obtain the propagation distance of each signal,Thereby obtain the distance of each mobile phone to described mobile phone signal receiving system.
In the above-mentioned crowd's remote-sensing monitoring method of the present invention, the position coordinates of mobile phone is:
X＝X0+dcosa
Y＝Y0+dsina
Wherein, X0、Y0For the position coordinates of described mobile phone signal receiving system in described space coordinates; aThe angle of the current orientation of pointing to mobile phone for described directional aerial in described space coordinates; D arrives institute for mobile phoneState the distance of mobile phone signal receiving system.
In the above-mentioned crowd's remote-sensing monitoring method of the present invention, described step S2 comprises:
Judge whether to exist same position to there are two or two according to the position of all mobile phones in monitored areaThe situation of above mobile phone, if so, obtains quantity and the institute of the position with two or more mobile phonesThere is the locational mobile phone total quantity with two or more mobile phones;
The quantity that personnel amount in described monitored area equals the hardware encoding within effective time deducts letterNumber intensity is lower than the quantity of the hardware encoding of the signal strength signal intensity predetermined minimum value of mobile phone in monitored area, then deductsThe locational mobile phone total quantity with two or more mobile phones used, adds and has two or twoThe quantity of the position of above mobile phone.
Implement the embodiment of the present invention, there is following beneficial effect: mobile phone signal receiving system provided by the inventionCan receive all kinds of mobile phone signals, universality is high, and personnel's remote sense monitoring system provided by the invention utilizes mobile phone letterNumber hardware encoding and signal strength signal intensity just can computing staff's quantity and distributing position, computational methods are simple, precisionHigh, cost is low and be easy to realize.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to implementingIn example or description of the Prior Art, the accompanying drawing of required use is briefly described, and apparently, the following describesIn accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not payingGo out under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the first embodiment mobile phone signal receiving system block diagram provided by the invention;
Fig. 2 is the second embodiment signal receiving module block diagram provided by the invention;
Fig. 3 is the 3rd embodiment mobile phone signal receiving system block diagram provided by the invention;
Fig. 4 is the 4th embodiment crowd's remote sense monitoring system block diagram provided by the invention;
Fig. 5 is the 5th embodiment crowd's remote sense monitoring system block diagram provided by the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearlyChu, intactly description, obviously, described embodiment is only the present invention's part embodiment, instead ofWhole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not making creationThe every other embodiment obtaining under the prerequisite of property work, belongs to the scope of protection of the invention.
Refer to Fig. 1, Fig. 1 is the first embodiment mobile phone signal receiving system block diagram provided by the invention.As shown in Figure 1, the mobile phone signal receiving system 100 that the present embodiment provides comprises: signal of communication receiver module10, Bluetooth signal receiver module 20, WIFI signal receiving module 30 and radiofrequency signal receiver module 40.
Signal of communication receiver module 10 is for receiving mobile communication signal, Bluetooth signal receiver module 20 forReceive Bluetooth of mobile phone signal, WIFI signal receiving module 30 is for receiving mobile phone WIFI signal, radiofrequency signalReceiver module 40 is for receiving mobile phone radio frequency signal.
Mobile phone signal receiving system provided by the invention can receive all kinds of mobile phone signals, and universality is high, is easy to push awayExtensively.
Refer to Fig. 2, Fig. 2 is the second embodiment signal receiving module block diagram provided by the invention. AsShown in Fig. 2, the signal of communication reception that the signal receiving module 60 that the present embodiment provides provides for the first embodimentModule 10, Bluetooth signal receiver module 20, WIFI signal receiving module 30 and radiofrequency signal receiver module 40In arbitrary module. Signal of communication receiver module 10, Bluetooth signal receiver module 20, WIFI signal receive mouldEach module in piece 30 and radiofrequency signal receiver module 40 comprises that directional aerial 1, signal receive and demodulationUnit 2, signal hardware coding reading unit 3 and signal strength measurement unit 4.
Directional aerial 1 is for directional reception mobile communication signal, Bluetooth signal, WIFI signal or radiofrequency signal,Signal receives with demodulating unit 2 for the signal that receives directional aerial 1 and receive and by signal demodulation, signalHardware encoding reading unit 3 for read signal receive with demodulating unit 2 demodulation after signal hardware compileCode, signal strength measurement unit 4 is for measuring the intensity of the received signal of directional aerial 1.
Should be understood that in 4 signal receiving modules that the present embodiment provides the part comprising for it:Directional aerial 1, signal receive and demodulating unit 2, signal hardware coding reading unit 3 and signal strength measurementUnit 4, can be that each signal receiving module comprises separately 4 parts, can be also two or more signalsReceiver module shares one or more part, for example, share directional aerial 1 and/or signal strength signal intensityMeasuring unit etc.
The operation principle of the present embodiment is as follows: mobile phone can regularly send signal of communication and base station contact, meanwhile,Mobile phone also can contact by the in-built short-range communication device such as bluetooth, WIFI and the external world. Provided by the inventionThe signal of communication of the orientable reception mobile phone of mobile phone signal receiving system and base station, and bluetooth, WIFI etc. are wirelessSignal of communication. This mobile phone signal receiving system has the intensity of measuring these signals, and decode mobile phone, indigo plantThe function of the hardware encoding of tooth and WIFI. This type of coding is unique to the emitter in each mobile phone. LogicalCross the hardware encoding of each mobile phone is counted, just can obtain the personnel amount in monitoring range. UtilizeDirectional aerial direction and the signal strength signal intensity of receiving system, just can determine the position coordinates of each mobile phone.
The present embodiment is by reception mobile phone signal and obtain hardware encoding wherein, and then passes through hardware encodingCounting obtains the personnel amount in monitoring range. Because hardware encoding is unique to each mobile phone, soPersonnel amount monitoring precision provided by the invention is high, and method is simple, is easy to realize.
Refer to Fig. 3, Fig. 3 is the 3rd embodiment mobile phone signal receiving system block diagram provided by the invention.As shown in Figure 3, the mobile phone signal receiving system 100 that the present embodiment provides is new on the basis of the first embodimentIncrease orientation module 50, comprised signal of communication receiver module 10, Bluetooth signal receiver module 20, WIFISignal receiving module 30, radiofrequency signal receiver module 40 and orientation module 50. Wherein, signal of communication receivesModule 10, Bluetooth signal receiver module 20, WIFI signal receiving module 30, radiofrequency signal receiver module 40With the composition structure of orientation module 50 as described in the second embodiment.
Orientation module 50 acts on signal of communication receiver module 10, Bluetooth signal receiver module 20, WIFI letterDirectional aerial in number receiver module 30, radiofrequency signal receiver module 40 and orientation module 50, for regulatingThe direction of directional aerial 1, the sweep limits of expansion directional aerial 1. For the fixed position inspection of a certain passageSurvey, can directly each directional aerial be pointed to a certain specific direction, if but system needs surface sweeping certain limit,Need orientation module 50 to regulate continuously the direction of directional aerial 1. Thereby directional aerial 1 can point to spyFixed direction, or by given pace sense of rotation.
In a preferred embodiment provided by the invention, orientation module 50 further comprise controllable rotary platform,Directional gyro and be arranged at the directed Magnetic Sensor on directional gyro; Wherein, controllable rotary platform is for rotatingThe direction of directional aerial and then adjusting directional aerial, directional gyro is for measuring the variable quantity in directional aerial orientation;Directed Magnetic Sensor is for the variation in the magnetic field responding to directional gyro and fasten in space coordinates, and then proofreaies and correct directedThe variable quantity of antenna bearingt, thus measure the orientation of directional aerial. Utilize directed Magnetic Sensor and directed topSpiral shell can be measured the current orientation of directional aerial 1 very easily.
Particularly, the current orientation of directional aerial 1 can obtain according to following methods:
Before measuring, set up space coordinates (using due east direction as X-axis positive direction, just northern here,Direction is as Y-axis positive direction), determine inceptive direction (or the initial angle a of directional aerial 10), for example,When controllable rotary platform does not also have rotational orientation antenna 1, and when this directional aerial 1 positive sense due east direction,Due east direction is the inceptive direction of directional aerial 1; Now, the initial angle a of directional aerial 10It is 0 °.
Then,, at current time, measure the angle of directional aerial 1 with respect to inceptive direction by directional gyroVariable quantity dG; Measuring directional aerial 1 by directed Magnetic Sensor changes and proofreaies and correct with respect to the angle of inceptive directionAmount dM; Now, the angle a=a in directional aerial 1 current orientation0+ w1dM+w2dG, wherein, w1 is for fixedTo the first weight factor of Magnetic Sensor; W2 is the second weight factor of directional gyro; W1 and w2 are and directed magneticSensor and directional gyro are measured systematic error and the use formula a=of the angle in directional aerial 1 current orientationa0The systematic error of+w1dM+w2dG produces; Here, w1 and w2 are by repeatedly measuringThe angle in dM, dG and actual measurement directional aerial 1 current orientation is updated to formula a=a0+ w1dM+w2dG calculatesObtain;
In another preferred embodiment provided by the invention, described directional gyro is three axle solid gyros. CauseFor the personnel positioning for a certain monitored area, the required precision of location does not need high especially, adoptsThree axle solid gyros can satisfy the demands completely, and can reduce technical costs.
Refer to Fig. 4, Fig. 4 is the 4th embodiment crowd's remote sense monitoring system block diagram provided by the invention.As shown in Figure 4, crowd's remote sense monitoring system that the present embodiment provides comprises the mobile phone that the first embodiment providesSignal receiving device 100 and signal processing apparatus 200. Wherein, mobile phone signal receiving system 100 further wrapsDraw together signal of communication receiver module 10, Bluetooth signal receiver module 20, WIFI signal receiving module 30 and radio frequencySignal receiving module 40.
Mobile phone signal receiving system 100 is for receiving mobile phone signal and depositing the signal receiving in signal processingDevice 200, the calculated signals people of signal processing apparatus 200 for providing according to mobile phone signal receiving system 100Member's quantity and distributing position.
Preferably, the connected mode between mobile phone signal receiving system 100 and signal processing apparatus 200 comprisesOptical fiber connects, Ethernet connects or wireless connections.
The present embodiment utilizes the data processing function of signal processing apparatus 200, can utilize mobile communication device to carryThe signal quick of confession calculates personnel amount and the distributing position in monitored area.
Refer to Fig. 5, Fig. 5 is the 5th embodiment crowd's remote sense monitoring system block diagram provided by the invention.As shown in Figure 5, the present embodiment is on the basis of the first embodiment, to mobile phone signal receiving device 100 and letterNumber treating apparatus 200 has carried out further restriction, and wherein, mobile phone signal receiving system 100 further wrapsDraw together signal of communication receiver module 10, Bluetooth signal receiver module 20, WIFI signal receiving module 30, radio frequencySignal receiving module 40 and orientation module 50, signal processing apparatus 200 further comprises personnel amount calculating mouldPiece 21 and distributing position computing module 22. The mobile phone signal receiving system 100 that the present embodiment provides as the 3rd in factExecute example described the same.
Wherein, personnel amount computing module 21 is for calculating the quantity of the hardware encoding in effective time, and rootQuantity and signal strength signal intensity according to hardware encoding are calculated the personnel amount in monitored area. Because for each handMachine, hardware encoding has uniqueness. That is to say, it is hard that personnel amount computing module 21 calculatesThe quantity of part coding just equals the quantity of the mobile phone in monitored area, get rid of only a few people with two or withOn the situation of mobile phone under, also just equal the personnel amount in monitored area. And can by the intensity of signalLimit the scope of monitored area, because the inversely proportional relation of signal strength signal intensity and propagation distance. Suppose monitored areaScope be A, the signal strength signal intensity of corresponding borderline region is B, signal strength signal intensity is lower than the mobile phone letter of B soNumber should foreclose. Therefore, just can more accurately calculate prison by hardware encoding quantity and signal strength signal intensitySurvey the personnel amount in region.
In the present embodiment, the personnel amount in monitored area equals the quantity of the hardware encoding within effective timeWith signal strength signal intensity lower than the quantity of the hardware encoding of the signal strength signal intensity predetermined minimum value of mobile phone in monitored area itPoor.
Distributing position computing module 22 is for calculating described mobile phone signal receiving system to mobile phone according to signal strength signal intensityDistance, and sit according to the position that the distance of calculating and the sense that provides of orientation module 50 are calculated mobile phoneMark. As described above, the inversely proportional relation of mobile phone signal intensity and propagation distance, therefore distribute bitsPut computing module 22 and can calculate the distance of mobile phone signal receiving system to mobile phone according to mobile phone signal intensitometer, withTime, orientation module 50 can provide the direction of directional aerial 1, and the namely direction of signal, according to the side of signalTo with the distance of mobile phone signal receiving system to mobile phone, utilize simple mathematical computations means can obtain mobile phonePosition coordinates.
Particularly, the position coordinates of mobile phone can calculate by following formula:
X＝X0+dcosa
Y＝Y0+dsina
Wherein, X0、Y0For the position coordinates of mobile phone signal receiving system in space coordinates; A is directedThe angle of the current orientation of antenna 1 in space coordinates; D is the distance of mobile phone to mobile phone signal receiving device.Mobile phone signal receiving system calculates by the following method to the distance d of mobile phone:
Distributing position computing module 22 is set up the attenuation model that every kind of signal of mobile phone is decayed with propagation distance;Mobile phone signal receiving system 100 receives each signal of mobile phone, and the signal of the each signal that obtains receivingIntensity, distributing position computing module 22 according to the signal strength signal intensity of each signal with and attenuation model, obtain everyThe propagation distance of individual signal, sends the distance between mobile phone and the mobile phone signal receiving system of each signal.
Further, there is the error that the people of two or more mobile phones brings in order to eliminate, personnel's numberAmount computing module 21 can also be used for measuring the position of all mobile phones in monitored area, then, judges whether to depositThere is the situation of two or more mobile phones at same position, if so, obtain have two or two withThe quantity of the position of upper mobile phone and all locational mobile phone sums with two or more mobile phonesAmount, at this moment, the quantity that the personnel amount in monitored area equals the hardware encoding within effective time deducts letterNumber intensity is lower than the quantity of the hardware encoding of the signal strength signal intensity predetermined minimum value of mobile phone in monitored area, then deductsThe locational mobile phone total quantity with two or more mobile phones used, adds and has two or twoThe quantity of the position of above mobile phone.
The present embodiment has provided crowd's remote sense monitoring system according to mobile phone signal computing staff quantity and distributing positionMethod, these computational methods have simply, precision is high and be easy to realize beneficial effect. In addition, the present inventionThe mobile phone signal receiving system and the crowd that provide monitor remote sensing system, no matter be hardware or software, all compareSimply, with low cost, and can generally promote.
Foregoing description relates to various modules. These modules generally include the combination (example of hardware and/or hardware and softwareAs solidification software). These modules can also comprise the signal processing device of include instruction (for example, software instruction)Put computer-readable recording medium (for example, non-volatile media), in the time that processor is carried out these instructions, just can carry out thisBright various functional characteristics. Correspondingly, unless explicitly requested, scope of the present invention is not subject in embodiment brightSpecific hardware in the module of really mentioning and/or the restriction of software feature. As non-limitative example, the present inventionIn an embodiment can for example, by one or more processors (microprocessor, digital signal processor, base bandProcessor, microcontroller) executive software instruction (is for example stored in volatile memory and/or permanent depositingReservoir). In addition, the present invention can also use special IC (ASIC) and/or other hardware elements to carry out.It is pointed out that above in the description of various modules, be divided into these modules, is for clarity.But in reality is implemented, the boundary of various modules can be fuzzy. For example, herein arbitrarily orAll functions module can be shared various hardware and/or software element. Again for example, herein any and/orAll functions module can be carried out all or part of enforcement by the processor executive software instruction having. In addition, byThe various software submodules that one or more processors are carried out can be shared between various software modules. Correspondingly,Unless explicitly requested, scope of the present invention is not subject to the restriction of mandatory boundary between various hardware and/or software element.
Further, the present invention also provides a kind of crowd's remote-sensing monitoring method based on mobile phone, comprising:
Step S1, by the mobile phone signal in mobile phone signal receiving system 100 directional reception monitored areas;
Step S2, obtain personnel amount and the distributing position of this monitored area according to received calculated signals;
Step S1 comprises:
By the mobile phone signal in directional aerial 1 directional reception monitored area; Demodulation directional aerial 1 receivesSignal; Read the hardware encoding in the signal after demodulation; Measure directional aerial 1 received signalSignal strength signal intensity;
Step S2 comprises:
Calculate the quantity of hardware encoding within effective time and according to the quantity of hardware encoding and signal strength signal intensityCalculate the personnel amount in monitored area;
In the present embodiment, the personnel amount in monitored area equals the number of the hardware encoding within effective timeAmount and signal strength signal intensity lower than the quantity of the hardware encoding of the signal strength signal intensity predetermined minimum value of mobile phone in monitored area itPoor.
Step S2 also comprises:
Measure the orientation that directional aerial 1 points to the mobile phone that sends signal; Calculate mobile phone signal according to signal strength signal intensityReceiving system 100 is to the distance of mobile phone, particularly, received according to mobile phone signal receiving system 100The signal strength signal intensity of each signal and the decay that every kind of signal of the mobile phone of foundation is decayed with propagation distance in advanceModel, obtains the propagation distance of each signal, thereby obtains each mobile phone to mobile phone signal receiving device 100Distance.
Then, step S2 also comprises: point to according to the distance of calculating and directional aerial 1 hand that sends signalThe position coordinates of mobile phone is calculated in the orientation of machine. Here, the position coordinates of mobile phone is:
X＝X0+dcosa
Y＝Y0+dsina
Wherein, X0、Y0For the position coordinates of mobile phone signal receiving system 100 in space coordinates; A isThe angle of the current orientation that directional aerial 1 points to mobile phone in space coordinates; D is that mobile phone connects to mobile phone signalThe distance of receiving apparatus 100.
In other embodiments, step S2 comprises: judge according to the position of all mobile phones in monitored area to beThe no situation that exists same position to have two or more mobile phones, if so, obtains and has two or twoThe quantity of the position of individual above mobile phone and all locational mobile phones with two or more mobile phones are totalQuantity; Like this, the quantity that the personnel amount in monitored area equals the hardware encoding within effective time subtractsGo the quantity of signal strength signal intensity lower than the hardware encoding of the signal strength signal intensity predetermined minimum value of mobile phone in monitored area, thenDeduct the locational mobile phone total quantity with two or more mobile phones used, add have two orMore than two quantity of the position of mobile phone.
Implement the embodiment of the present invention, there is following beneficial effect: mobile phone signal receiving system provided by the inventionCan receive all kinds of mobile phone signals, universality is high, and personnel's remote sense monitoring system provided by the invention utilizes mobile phone letterNumber hardware encoding and signal strength signal intensity just can computing staff's quantity and distributing position, computational methods are simple, precisionHigh, cost is low and be easy to realize.
Above disclosed only for a kind of preferred embodiment of the present invention, certainly can not limit this with thisBright interest field, one of ordinary skill in the art will appreciate that all or part of stream of realizing above-described embodimentJourney, and the equivalent variations of doing according to the claims in the present invention, still belong to the scope that invention is contained.
Claims (10)
1. the crowd's remote sense monitoring system based on mobile phone, is characterized in that, comprises directional reception monitoring sectionThe mobile phone signal receiving system (100) of the mobile phone signal in territory and according to described mobile phone signal receiving system(100) calculated signals receiving obtains the personnel amount of this monitored area and the signal processing device of distributing positionPut (200);
Described mobile phone signal receiving system (100) comprising: for the directional aerial (1) of directional reception mobile phone signal,Be used for receiving the signal that described directional aerial (1) receives and the signal of signal demodulation is received and demodulating unit(2), for read described signal receive with demodulating unit (2) demodulation after the letter of hardware encoding of signalNumber hardware encoding reading unit (3) and for measuring the received signal of described directional aerial (1)The signal strength measurement unit (4) of signal strength signal intensity;
Described signal processing apparatus (200) comprising: for calculating described hardware encoding within effective timeQuantity is also calculated the personnel amount in monitored area according to the quantity of described hardware encoding and described signal strength signal intensityPersonnel amount computing module (21), point to and send the mobile phone of signal for measuring described directional aerial (1)The orientation module (50) in orientation, and receive dress for calculate described mobile phone signal according to described signal strength signal intensityPut (100) to the distance of mobile phone and according to the distance of calculating and the institute that provides of described orientation module (50)State the distributing position meter that directional aerial (1) points to the position coordinates of the orientation calculating mobile phone of the mobile phone that sends signalCalculate module (22).
2. crowd's remote sense monitoring system according to claim 1, is characterized in that, described mobile phone signalReceiving system (100) comprise signal of communication receiver module (10) for receiving mobile communication signal, forReceive the Bluetooth signal receiver module (20) of Bluetooth of mobile phone signal, for receiving the WIFI of mobile phone WIFI signalSignal receiving module (30) and for receiving the radiofrequency signal receiver module (40) of mobile phone radio frequency signal;
Described signal of communication receiver module (10), described Bluetooth signal receiver module (20), described WIFI letterNumber receiver module (30) and described radiofrequency signal receiver module (40) all include described directional aerial (1),Described signal receives and demodulating unit (2), described signal hardware coding reading unit (3) and described signalIonization meter unit (4).
3. crowd's remote sense monitoring system according to claim 1, is characterized in that, described distributing positionComputing module (22) is for according to the received each signal of described mobile phone signal receiving system (100)Signal strength signal intensity and the attenuation model that every kind of signal of the mobile phone of foundation is decayed with propagation distance in advance, obtainThe propagation distance of each signal, thus the distance of each mobile phone to described mobile phone signal receiving system (100) obtainedFrom.
4. crowd's remote sense monitoring system according to claim 3, is characterized in that, described orientation module(50) comprise for rotate described directional aerial (1) so that regulate this directional aerial (1) direction canControl rotatable platform, for measure described directional aerial (1) orientation variable quantity directional gyro and be arranged at thisOn directional gyro for responding to the variation in the magnetic field that described directional gyro fastens in space coordinates, and then proofread and correctThe variable quantity in described directional aerial (1) orientation, thus measure the directed Magnetic Sensor in the orientation of directional aerial.
5. crowd's remote sense monitoring system according to claim 4, is characterized in that, the position of mobile phone is satBe designated as:
X＝X0+dcosa
Y＝Y0+dsina
Wherein, X0、Y0For the position of described mobile phone signal receiving system (100) in described space coordinatesCoordinate; A is that described directional aerial (1) points to the current orientation of the mobile phone angle in described space coordinates;D is the distance that mobile phone arrives described mobile phone signal receiving system (100).
6. crowd's remote sense monitoring system according to claim 5, is characterized in that, described personnel amountComputing module (21) is also for institute in the monitored area of measuring according to described distributing position computing module (22)There is the position of mobile phone to judge whether to exist same position to there is the situation of two or more mobile phones, if so,Obtain the quantity of the position with two or more mobile phones and allly there is two or more handsThe locational mobile phone total quantity of machine;
The quantity that personnel amount in described monitored area equals the hardware encoding within effective time deducts letterNumber intensity is lower than the quantity of the hardware encoding of the signal strength signal intensity predetermined minimum value of mobile phone in monitored area, then deductsThe locational mobile phone total quantity with two or more mobile phones used, adds and has two or twoThe quantity of the position of above mobile phone.
7. the crowd's remote-sensing monitoring method based on mobile phone, is characterized in that, comprising:
Step S1, by the mobile phone signal in mobile phone signal receiving system (100) directional reception monitored area;
Step S2, obtain personnel amount and the distributing position of this monitored area according to received calculated signals;
Described step S1 comprises:
By the mobile phone signal in directional aerial (1) directional reception monitored area; Directional aerial described in demodulation (1)The signal receiving; Read the hardware encoding in the signal after demodulation; Measuring described directional aerial (1) connectsThe signal strength signal intensity of the signal of receiving;
Described step S2 comprises:
Calculate the quantity of described hardware encoding within effective time and according to the quantity of described hardware encoding andDescribed signal strength signal intensity is calculated the personnel amount in monitored area;
Measure the orientation that described directional aerial (1) points to the mobile phone that sends signal; According to described signal strength meterCalculate described mobile phone signal receiving system (100) to the distance of mobile phone and according to the distance of calculating and described fixedPoint to the position coordinates of the orientation calculating mobile phone of the mobile phone that sends signal to antenna (1).
8. crowd's remote-sensing monitoring method according to claim 7, is characterized in that, described step S2Also comprise:
According to the signal strength signal intensity of the received each signal of described mobile phone signal receiving system (100) and pre-The attenuation model that every kind of signal of the mobile phone of first setting up is decayed with propagation distance, obtains the propagation of each signalDistance, thus the distance of each mobile phone to described mobile phone signal receiving system (100) obtained.
9. crowd's remote-sensing monitoring method according to claim 8, is characterized in that, the position of mobile phone is satBe designated as:
X＝X0+dcosa
Y＝Y0+dsina
Wherein, X0、Y0For the position of described mobile phone signal receiving system (100) in described space coordinatesCoordinate; A is that described directional aerial (1) points to the current orientation of the mobile phone angle in described space coordinates;D is the distance that mobile phone arrives described mobile phone signal receiving system (100).
10. crowd's remote-sensing monitoring method according to claim 9, is characterized in that, described step S2Comprise:
Judge whether to exist same position to there are two or two according to the position of all mobile phones in monitored areaThe situation of above mobile phone, if so, obtains quantity and the institute of the position with two or more mobile phonesThere is the locational mobile phone total quantity with two or more mobile phones;
The quantity that personnel amount in described monitored area equals the hardware encoding within effective time deducts letterNumber intensity is lower than the quantity of the hardware encoding of the signal strength signal intensity predetermined minimum value of mobile phone in monitored area, then deductsThe locational mobile phone total quantity with two or more mobile phones used, adds and has two or twoThe quantity of the position of above mobile phone.
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