CN108184224A - A kind of municipal administration personnel positioning method and system - Google Patents
A kind of municipal administration personnel positioning method and system Download PDFInfo
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- CN108184224A CN108184224A CN201711461812.6A CN201711461812A CN108184224A CN 108184224 A CN108184224 A CN 108184224A CN 201711461812 A CN201711461812 A CN 201711461812A CN 108184224 A CN108184224 A CN 108184224A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- 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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/06—Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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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
A kind of municipal personnel positioning method and system provided by the invention, the ground base station information that GPS signal or ground base station are sent is received by mobile equipment, ground base station sets solar cell, if without GPS signal, the ground base station information and its signal strength that are received by bluetooth module are then sent to server, it is calculated by server process, obtains the position of mobile equipment.Scheme advantage provided by the invention is to be accurately positioned indoors, and for precision up to 2 3m, the electric quantity consumption of mobile equipment is small, cruise duration can be substantially improved, equipment installation cost is low, easy care.
Description
Technical field
The present invention relates to communication positioning fields, especially relate to a kind of municipal personnel positioning method and system.
Background technology
Existing common location technology has following several：1st, the GPS/ Big Dippeves, precision highest, but can not position indoors, and
Power consumption is high；2nd, base station location, precision is minimum, and power consumption is high；3rd, NB-lot, low in energy consumption, about 50-80 meters of precision, 4, wifi positioning,
Low in energy consumption, covering is low.However, by a kind of method of any of the above, indoor precise positioning can not be solved the problems, such as.
Currently, by the way of Bluetooth base. station, each room arrangement Bluetooth signal source, it is precisely fixed can to solve interior indoors
Position problem.However, this method has significant limitation, reason is：
1. being primarily due to room than comparatively dense, need position to be mounted too many；
2. building, inner structure is complicated, and radio wave attenuation or the multi-path effect formed after penetrating are too apparent, are unfavorable for location Calculation；
3. these nodes need to network, huge cost is brought to construction；
4. needs manually make marks to the position of each base station, operation management difficulty is big, heavy workload.
In the specific application scene of municipal person works, to different positions, there is different positioning accuracy requests.It is building
It builds in object, since room is intensive, to find and positioning each specific personnel, positioning accuracy is needed to navigate to the essence of room-sized
Degree.And in spacious environment, positioning accuracy can be loosened to the visible range that comes back.Simultaneously because need the quantity positioned
It is numerous, it needs to reduce the time of equipment management maintenance to the greatest extent, charging is most important link in daily maintenance, reduces charging time
Number, it is very crucial to the ease for use of system.So want the stand-by time of the increase bracelet of maximum possible.And the volume of bracelet is general
It is smaller, so needing in the case where electricity is certain, reduce the consumption of electricity.
NB-lot has a wide range of applications in application environments such as meter readings, since the time of communication is few, almost one month
Several times, thus power consumption is extremely low.And NB-lot is in application scenarios such as municipal administrations, the frequency of communication and work is much higher, and power consumption is big
Increase, needing to find reduces the method for power consumption to reduce maintenance time.
Invention content
The main object of the present invention is provides a kind of municipal personnel positioning method and system, and existing municipal officer is not
It is not high with positioning accuracy under scene, the problem of device standby time is not long.
The present invention provides a kind of municipal personnel positioning method, including：
Mobile monitoring of equipment whether there is available GPS signal；
If it is not, then monitoring ground base station signal using bluetooth approach, and record its signal strength；
The ground base station signal and signal strength are sent to server；
By ground base station signal and signal strength described in the server process, the location information of the mobile equipment is calculated.
Preferably, the number of the signal source of ground base station signal is two or more.Ground base station signal includes institute
State ground base station location information and or device id.
Preferably, after the mobile monitoring of equipment whether there is the step of available GPS signal, including：
If so, the GPS signal of the mobile equipment reception is sent to the server；
By GPS signal described in the server process, the location information of the mobile equipment is calculated.
Preferably, it is described that ground base station signal is monitored using bluetooth approach, and the step of record its signal strength after, also
Including：
Close GPS module.
Preferably, it is described by ground base station signal and signal strength described in the server process, calculate the movement
The step of location information of equipment, including：
By ground base station signal and signal strength described in the server process, with reference to the position of the mobile equipment last moment
Confidence ceases, and calculates the location information at the mobile equipment current time.
Preferably, it is described by ground base station signal and signal strength described in the server process, calculate the movement
After the step of location information of equipment, further include：
The location information is sent to designated terminal by the server.
The present invention also provides a kind of municipal personnel location system, including：
Ground base station, for sending ground base station signal；
Mobile equipment, including GPS module, bluetooth module, wireless communication module,
The GPS module, for monitoring whether that presence can use GPS signal；
The bluetooth module during for that can not use GPS signal, monitors ground base station signal, and records its signal strength；
The wireless communication module includes the first transmitting element, and first transmitting element is used to send the ground to server
Base station signal and signal strength；
Server for handling the ground base station signal and signal strength, calculates the location information of the mobile equipment.
Preferably, the number of ground base station is two or more.Ground base station signal includes the ground base station
Location information and or device id.
Preferably, the wireless communication module, further includes the second transmitting element, and second transmitting element is used for described
Server sends the GPS signal that the mobile equipment receives.
Preferably, the mobile equipment, further includes power save unit, when working for bluetooth module, closes GPS module.
Preferably, the server include computing unit, the computing unit for handle the ground base station signal and
Signal strength with reference to the location information of the mobile equipment last moment, calculates the position letter at the mobile equipment current time
Breath.
Preferably, the server further includes transmitting element, for sending the location information to designated terminal.
Municipal administration personnel positioning method and system provided by the invention receive GPS signal or ground base station by mobile equipment
The ground base station information of transmission, if without GPS signal, the ground base station information and its signal that are received by bluetooth module is strong
Degree is sent to server, is calculated by server process, obtains the position of mobile equipment.Scheme advantage provided by the invention is can
It is accurately positioned indoors, for precision up to 2-3m, the electric quantity consumption of mobile equipment is small, and cruise duration, equipment installation can be substantially improved
It is at low cost, easy care.
Description of the drawings
Fig. 1 is the flow diagram of municipal one embodiment of personnel positioning method of the present invention；
Fig. 2 is the floor map of the municipal one embodiment ground base station distribution of personnel positioning method of the present invention；
Fig. 3 is the schematic diagram that municipal one embodiment of personnel positioning method of the present invention is positioned by ground base station；
Fig. 4 is the structure diagram of the present invention one embodiment of indoor municipal personnel location system.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
With reference to Fig. 1, the embodiment of the present invention proposes a kind of municipal personnel positioning method, including：
S10, mobile monitoring of equipment whether there is available GPS signal；
S20, if it is not, then monitoring ground base station signal using bluetooth approach, and record its signal strength；
S30, the ground base station signal and signal strength are sent to server；
S40, pass through ground base station signal and signal strength described in the server process, the position letter of the calculating mobile equipment
Breath.
The present embodiment can be applied to the scene that municipal need of work obtains staff exact position.Municipal administration refers to city
Every Administration.The environment that municipal officer is related to is sufficiently complex, is greatly in indoor environment.
When municipal personnel are in building, which is in except satellite-signal coverage area, can not be determined with GPS/ Big Dippeves etc.
Position.
With reference to Fig. 2, the ground base station of the present embodiment is according to certain density, outside building, mounting arrangement position
Parallel with building, installation site can receive GPS signal.Ground base station need not couple internet.Built in each ground base station
GPS module, high-power 2.4G bluetooths sending module are powered by external electric power system.Each ground base station has different set
Standby ID.In the course of work, ground base station receives GPS signal, and the location information of itself is calculated according to GPS signal.Meanwhile according to
Certain radio frequency sequence, certain interval persistently send the location information and device id of itself.
In one embodiment, ground base station is configured with central processing unit, 2.4G bluetooth modules, antenna, radio-frequency power amplification
Device.Radio-frequency power amplifier is set between 2.4G bluetooth modules and antenna, the radiofrequency signal that can send 2.4G bluetooth modules
Enhancing, transmitting range is up to 120 meters, much larger than 10 meters of distances of common bluetooth.And general administration building height is generally 50
In rice, ground base station can meet demand.The transmission power of ground base station is adjustable, when installation, it is ensured that in same distance point,
Each ground base station can test identical signal strength.The antenna transmission power of ground base station be configurable on+9 to+20dBm it
Between, gain step size is limited to 3dBm.The power amplification unit permission configuration baud rate of radio-frequency power amplifier, output frequency, frequency
Inclined and gaussian filtering.And transmitting fsk data is directly modulated to delta-sigma data flow.Power amplification unit includes the oblique of burst
It rises and oblique deascension is adjusted, to prevent undesirable big spectral splatter.
Mobile equipment, can be bracelet, be built-in with GPS module, wireless communication module, bluetooth module and 2.4G radiofrequency signals
Detection.GPS satellite signal is lost when moving equipment, then automatically opens the detection of 2.4G radiofrequency signals, receives multiple ground base station institutes
The location information and device id of transmission, and record corresponding signal strength.Then, mobile equipment will be transmitted by ground base station
Location information and device id and corresponding signal strength are sent to the server specified, and are calculated and moved by server
The more specific location information of equipment.
In step S10, mobile equipment alternately detects GPS signal and Bluetooth signal first, if without available GPS signal,
Perform step S20.
In step S20, mobile equipment receives the ground base station information of multiple ground base stations transmissions by bluetooth module, and remembers
Record corresponding signal strength.
In step S30, mobile equipment is by the period set, to server transmissioning data.Period can periodically be sent,
Can be sent or the combination of above two mode when the ground base station information of reception generates variation.It is mobile
Device configuration has bluetooth module and wireless communication module.The entrance of each floor indoors installs closely bluetooth nodes.When
When mobile equipment reaches the floor, bluetooth nodes are established with mobile equipment and are connected, and are got the ID of mobile equipment and are transmitted
To server.Server can accurately know the floor where mobile equipment in this way.Mobile equipment can also be by bluetooth side
Formula is established with server and is connected, and transmits the data that its needs transmits.When mobile equipment disconnects bluetooth connection, then channel radio is enabled
Interrogate module, by 2G 3G 4G establish in a manner of 5G and connect with server, transmit relevant data.
In step S40, after server receives the information that mobile equipment is sent, with reference to map system, mobile equipment is calculated
Specific location.In one embodiment, server sends feedback information to mobile equipment.As server judges that mobile equipment is being built
In object, then information mobile device closes GPS module, to save battery capacity.
The specific location of mobile equipment is calculated including following several：
1st, the address location parsing for increasing building geographical location based on 2 points and being combined.
General plane positioning needs three points that can calculate the geographical location of confirmation.In this application scene, add in
The particularity in building geographical location can increase building position by two points and move towards this parameter, calculate the tool of mobile node
Body position.
With reference to Fig. 3, two ground base stations S1 and S2, signal strength ratio is received according to mobile equipment, can be inferred that
Two round crosspoints and even the extended line L of crosspoint, the mobile inevitable certain point on L of equipment, according to building point
Cloth feature, can be with the position P that is readily concluded where mobile equipment.
2nd, the processing of floor difference
In previous step, the position of mobile node is not calculated using the decision amount for receiving signal, but the signal used
Strong and weak ratio.This is because different floors, due to the difference with ground base station position, receive signal difference.But for same
One floor, this influence is identical, therefore the strong and weak ratio of signal has been used to come calculated level position.And specific floor is determined
Position, it is determining to be that the short distance bluetooth nodes being laid out by each floor entrance are come.These short distance bluetooth nodes, can be used letter
Single existence location algorithm, it is specific as follows：
S1/S2=R (Q2)/R (Q1)
S：Represent distance；Q：Representation signal intensity；R：Representation signal intensity is to the transformational relation of signal quality.
3rd, ground base station interferes with each other processing
One token pond of system initialization allows one of ground base station to be responsible for safeguarding this token pond.
Per a token in pond is put within x seconds, then often spending 1 second has 1/x token to be added in pond.Number is set in entire pond
Mesh upper limit W.If number reaches the upper limit, one token of random drop.When ground base station obtains token, by m order of consumption
Board.After if token number is less than setting value L, whole process will be terminated.
Interfering with each other between reduction ground base station, to one specific pseudo-random sequence of distribution between each ground base station
(i.e. time-hopping code) sends its period as Tk, and such pseudo-random sequence attached offset, f-th of monocycle impulse to each pulse
Additional offset be T (f-1).During alternative space, this sequence of barcodes will be carried.In a window phase, the message of transmission
Quantity is controlled in W-1.
Optionally, the number of the signal source of ground base station signal is two or more.Ground base station signal includes institute
State ground base station location information and or device id.
In the present embodiment, the number of the signal source of ground base station signal is two or more.It is often necessary to two with
On signal source, just can determine that the specific location of mobile equipment.By taking organ building as an example, the room in organ building is substantially single side
Towards open air, there is glass window.Since the radio medium constant of glass is approached with air, it is possible to be approximately considered each room
Between can receive ground base station transmission signal.When there is relatively regular geometry in organ building, the attenuation degree of signal with
Distance apart from ground base station is related.If building is irregular shape, the setting for ground base station is needed to make special excellent
Change.
Location information and or device id of the ground base station information including ground base station.If record has device id on server
Corresponding location information, then ground base station information can only include its ID.Transinformation content can be reduced in this way.
Optionally, it after the step S10, further includes：
If so, the GPS signal of the mobile equipment reception is sent to the server；
By GPS signal described in the server process, the location information of the mobile equipment is calculated.
In the present embodiment, if there is GPS signal, mobile equipment directly receives GPS signal, is then sent to GPS signal
Server.Server calculates the location information of mobile equipment by the GPS signal that mobile equipment is sent.
Optionally, it after step S20, further includes：
Close GPS module.
In the present embodiment, indoors during environment, GPS module is closed, helps to improve the cruising ability of mobile equipment.With fortune
It starts for ring, the power consumption of GPS is usually above and below 120mA.With the Li batteries of motion bracelet collocation 180mAH, 80% electric discharge
Amount, the working time of GPS 5% calculate.The stand-by time of motion bracelet is:
T=180mAH*80%/120mA/5%=24 (hour)
For bluetooth in state of intercepting, electric current is about 50uA, if equally calculated with 5% working time.Stand-by time is：
T=180mAH*80%/50uA/5%=57600 hours=2400 (my god)
In municipal working environment, user is more than more than 70% time, is at indoor environment, it is seen that use bluetooth side instead
Formula can substantially reduce system power dissipation really.
Only calculated value, reality also need to consider the discharge scenario of lithium battery in itself above.In practical situations, it moves
Bracelet can continue a journey 6 months or so under bluetooth mode.
In one embodiment, due to municipal environment spaciousness, can also solar cell be set in ground base station, to reduce ground
The electricity consumption of base station.
Optionally, step 40 includes：
By ground base station signal and signal strength described in the server process, with reference to the position of the mobile equipment last moment
Confidence ceases, and calculates the location information at the mobile equipment current time.
In the present embodiment, since mobile equipment movement has certain continuity, then using this characteristic to system testing
Certain amendment is done in the interference that may be introduced in the process.To reference model before can utilizing, new movement node is done certain
Estimation, and the position for weighting introducing resolves it, it is specific as follows：
Pn=P (n-1)+Q1* (P (n-1)-P (n-2))+Q2* (P (n-2)-P (n-3)) ...
In above formula, Pn, Pn-1 etc. be each calculating cycle plan-position, Q1 Q2 be each timing node movement weighted value.
Then, the position of mobile equipment after overcompensation is：
P=Px*Qx+Pn*Qn
Wherein, it by method 1,2 by the position signal that ground base station obtains is Px that Px, which is, and Qx, Qn are the weights of each numerical value.
The method can be used for the position that auxiliary calculates mobile equipment.For example, when ground base station signal is weaker, possible accounting
Multiple position results are calculated, the location information that previous moment calculates can be combined at this time, determine the location information at current time.
Optionally, it after step S40, further includes：
The location information is sent to designated terminal by the server.
In the present embodiment, after server calculates the location information of mobile equipment, the position can be sent to designated terminal
Information.Staff can know the position of mobile equipment from the designated terminal in this way, and the movement equipment is carried so as to know
The location of personnel.The mobile equipment that designated terminal can be the equipment of monitoring client or operational staff carries.
With reference to Fig. 4, the embodiment of the present invention proposes a kind of municipal personnel location system, including：
Ground base station 10, for sending ground base station signal；
Mobile equipment 20, including GPS module 201, bluetooth module 202, wireless communication module 203,
The GPS module 201, for monitoring whether that presence can use GPS signal；
The bluetooth module 202 during for that can not use GPS signal, monitors ground base station signal, and records its signal strength；
The wireless communication module 203 includes the first transmitting element, and first transmitting element is used to send institute to server 30
State ground base station signal and signal strength；
Server 30 for handling the ground base station signal and signal strength, calculates the location information of the mobile equipment 20.
The present embodiment can be applied to the scene that municipal need of work obtains staff exact position.Municipal administration refers to city
Every Administration.The environment that municipal officer is related to is sufficiently complex, is greatly in indoor environment.
When municipal personnel are in building, which is in except satellite-signal coverage area, can not be determined with GPS/ Big Dippeves etc.
Position.
With reference to Fig. 2, the ground base station 10 of the present embodiment is according to certain density, outside building, mounting arrangement position
Put parallel with building, installation site can receive GPS signal.Ground base station 10 need not couple internet.Each ground base station
GPS module 201 built in 10, high-power 2.4G bluetooths sending module are powered by external electric power system.Each ground base station 10 has
There is different device ids.In the course of work, ground base station 10 receives GPS signal, and calculates the position of itself according to GPS signal and believe
Breath.Meanwhile according to certain radio frequency sequence, certain interval persistently sends the location information and device id of itself.
In one embodiment, ground base station 10 is configured with central processing unit, 2.4G bluetooth modules 202, antenna, radio-frequency power
Amplifier.Radio-frequency power amplifier is set between 2.4G bluetooth modules 202 and antenna, can send 2.4G bluetooth modules 202
Radiofrequency signal enhancing, transmitting range is up to 120 meters, much larger than 10 meters of distances of common bluetooth.And general administration building is high
For degree generally in 50 meters, ground base station 10 can meet demand.The transmission power of ground base station 10 is adjustable, when installation, to protect
For card in same distance point, each ground base station 10, which can be tested, arrives identical signal strength.The antenna transmission power of ground base station 10
It is configurable between+9 to+20dBm, gain step size is limited to 3dBm.The power amplification unit license of radio-frequency power amplifier is matched
Put baud rate, output frequency, frequency deviation and gaussian filtering.And transmitting fsk data is directly modulated to delta-sigma data flow.Power amplification
The oblique ascension and oblique deascension that unit includes burst are adjusted, to prevent undesirable big spectral splatter.
Mobile equipment 20, can be bracelet, be built-in with GPS module 201, wireless communication module 203,202 and of bluetooth module
2.4G radiofrequency signals detect.GPS satellite signal is lost when moving equipment 20, then automatically opens the detection of 2.4G radiofrequency signals, receives
Location information and device id transmitted by multiple ground base stations 10, and record corresponding signal strength.Then, mobile equipment 20
Location information transmitted by ground base station 10 and device id and corresponding signal strength are sent to the server specified
30, the more specific location information of mobile equipment 20 is calculated by server 30.
Mobile equipment 20 alternately detects GPS signal and Bluetooth signal first, if without available GPS signal.Mobile equipment 20
10 information of ground base station of multiple transmissions of ground base stations 10 is received by bluetooth module 202, and it is strong to record corresponding signal
Degree.
Mobile equipment 20 transmits data by the period of setting to server 30.Period can be it is regular send or
It is sent or the combination of above two mode when 10 information of ground base station of reception generates variation.Mobile equipment
20 are configured with bluetooth module 202 and wireless communication module 203.The entrance of each floor indoors installs closely bluetooth section
Point.When mobile equipment 20 reaches the floor, bluetooth nodes are established with mobile equipment 20 and are connected, and get the ID of mobile equipment 20
And it is transferred to server 30.Server 30 can accurately know the floor where mobile equipment 20 in this way.Mobile equipment
20 can also establish connection by bluetooth approach and server 30, transmit the data that its needs transmits.When mobile equipment 20 disconnects
During bluetooth connection, then enable wireless communication module 203, by 2G 3G 4G establish in a manner of 5G and connect with server 30, transmit phase
The data of pass.
After server 30 receives the information that mobile equipment 20 is sent, with reference to map system, the specific of mobile equipment 20 is calculated
Position.In one embodiment, server 30 sends feedback information to mobile equipment 20.As server 30 judges that mobile equipment 20 exists
In building, then information mobile device 20 closes GPS module 201, to save battery capacity.
The specific location of mobile equipment 20 is calculated including following several：
1st, the address location parsing for increasing building geographical location based on 2 points and being combined.
General plane positioning needs three points that can calculate the geographical location of confirmation.In this application scene, add in
The particularity in building geographical location can increase building position by two points and move towards this parameter, calculate the tool of mobile node
Body position.
With reference to Fig. 3, two ground base stations 10S1 and S2, signal strength ratio is received according to mobile equipment 20, can be pushed away
Break and two round crosspoints and even the extended line L of crosspoint, the mobile inevitable certain point on L of equipment 20, in foundation
Building distribution characteristics, can be with the position P that is readily concluded where mobile equipment 20.
2nd, the processing of floor difference
In previous step, the position of mobile node is not calculated using the decision amount for receiving signal, but the signal used
Strong and weak ratio.This is because different floors, due to the difference with 10 position of ground base station, receive signal difference.But for
Same floor, this influence is identical, therefore the strong and weak ratio of signal has been used to come calculated level position.And specific floor is determined
Position, it is determining to be that the short distance bluetooth nodes being laid out by each floor entrance are come.These short distance bluetooth nodes, can be used letter
Single existence location algorithm, it is specific as follows：
S1/S2=R (Q2)/R (Q1)
S：Represent distance；Q：Representation signal intensity；R：Representation signal intensity is to the transformational relation of signal quality.
3rd, ground base station 10 interferes with each other processing
One token pond of system initialization allows one of ground base station 10 to be responsible for safeguarding this token pond.
Per a token in pond is put within x seconds, then often spending 1 second has 1/x token to be added in pond.Number is set in entire pond
Mesh upper limit W.If number reaches the upper limit, one token of random drop.When ground base station 10 obtains token, by consumption m
Token.After if token number is less than setting value L, whole process will be terminated.
Interfering with each other between reduction ground base station 10, to one specific pseudorandom sequence of distribution between each ground base station 10
It arranges (i.e. time-hopping code), sends its period as Tk, such pseudo-random sequence attached offset, f-th of monocycle arteries and veins to each pulse
The additional offset of punching is T (f-1).During alternative space, this sequence of barcodes will be carried.In a window phase, the report of transmission
Literary quantity, controls in W-1.
Optionally, the number of ground base station is two or more.Ground base station signal includes the ground base station
Location information and or device id.
In the present embodiment, the number of the signal source of ground base station signal is two or more.It is often necessary to two with
On signal source, just can determine that the specific location of mobile equipment 20.By taking organ building as an example, the room in organ building is substantially single
There is glass window in face towards open air.Since the radio medium constant of glass is approached with air, it is possible to be approximately considered each
Room can receive the signal of the transmission of ground base station 10.When there is relatively regular geometry in organ building, the attenuation journey of signal
Degree is related with the distance apart from ground base station 10.If building is irregular shape, the setting for ground base station 10 is needed to make
Special optimization.
Location information and or device id of 10 information of ground base station including ground base station 10.If there is record on server 30
The corresponding location information of device id, then 10 information of ground base station can only include its ID.Transinformation content can be reduced in this way.
Optionally, the wireless communication module 203, further includes the second transmitting element, second transmitting element be used for
The server 30 sends the GPS signal that the mobile equipment 20 receives.
In the present embodiment, if there is GPS signal, mobile equipment 20 directly receives GPS signal, then sends GPS signal
To server 30.Server 30 calculates the location information of mobile equipment 20 by the GPS signal that mobile equipment 20 is sent.
Optionally, the mobile equipment 20, further includes power save unit, when working for bluetooth module 202, closes GPS moulds
Block 201.
In the present embodiment, indoors during environment, GPS module 201 is closed, helps to improve the continuation of the journey energy of mobile equipment 20
Power.By taking motion bracelet as an example, the power consumption of GPS is usually above and below 120mA.With motion bracelet collocation 180mAH Li batteries, 80%
Discharge capacity, working time of GPS 5% calculates.The stand-by time of motion bracelet is:
T=180mAH*80%/120mA/5%=24 (hour)
For bluetooth in state of intercepting, electric current is about 50uA, if equally calculated with 5% working time.Stand-by time is：
T=180mAH*80%/50uA/5%=57600 hours=2400 (my god)
In municipal working environment, user is more than more than 70% time, is at indoor environment, it is seen that use bluetooth side instead
Formula can substantially reduce system power dissipation really.
Only calculated value, reality also need to consider the discharge scenario of lithium battery in itself above.In practical situations, it moves
Bracelet can continue a journey 6 months or so under bluetooth mode.
In one embodiment, can also solar cell be set in ground base station 10, to reduce the electricity consumption of ground base station 10.
Optionally, the server 30 includes computing unit, and the computing unit is used to handle the ground base station signal
And signal strength, with reference to the location information of mobile 20 last moment of equipment, calculate mobile 20 current time of equipment
Location information.
In the present embodiment, since the mobile movement of equipment 20 has certain continuity, then system is surveyed using this characteristic
Certain amendment is done in the interference that may be introduced during examination.To reference model before can utilizing, new movement node is done centainly
Estimation, and the position for weighting introducing resolves it, specific as follows：
Pn=P (n-1)+Q1* (P (n-1)-P (n-2))+Q2* (P (n-2)-P (n-3)) ...
In above formula, Pn, Pn-1 etc. be each calculating cycle plan-position, Q1 Q2 be each timing node movement weighted value.
Then, 20 position of mobile equipment after overcompensation is：
P=Px*Qx+Pn*Qn
Wherein, it is Px that Px, which is the position signal obtained by method 1,2 by ground base station 10, and Qx, Qn are the power of each numerical value
Value.
The method can be used for the position that auxiliary calculates mobile equipment 20.For example, when ground base station signal is weaker, it may
Multiple position results are calculated, the location information that previous moment calculates can be combined at this time, determine the location information at current time.
Optionally, the server 30 further includes transmitting element, for sending the location information to designated terminal.
In the present embodiment, after server 30 calculates the location information of mobile equipment 20, can be sent to designated terminal should
Location information.Staff can know the position of mobile equipment 20 from the designated terminal in this way, and the movement is carried so as to know
The location of personnel of equipment 20.The movement that designated terminal can be the equipment of monitoring client or operational staff carries
Equipment 20.
Municipal administration personnel positioning method and system provided by the invention receive GPS signal or ground base station by mobile equipment
The ground base station information of transmission, if without GPS signal, the ground base station information and its signal that are received by bluetooth module is strong
Degree is sent to server, is calculated by server process, obtains the position of mobile equipment.Scheme advantage provided by the invention is can
It is accurately positioned indoors, for precision up to 2-3m, the electric quantity consumption of mobile equipment is small, and cruise duration, equipment installation can be substantially improved
It is at low cost, easy care.
The foregoing is merely the embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification for all within the spirits and principles of the present invention, being made,
Equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (10)
- A kind of 1. municipal administration personnel positioning method, which is characterized in that including：Mobile monitoring of equipment whether there is available GPS signal；If it is not, then monitoring ground base station signal using bluetooth approach, and record its signal strength；The ground base station signal and signal strength are sent to server；By ground base station signal and signal strength described in the server process, the location information of the mobile equipment is calculated.
- 2. municipal administration personnel positioning method according to claim 1, which is characterized in that the mobile monitoring of equipment whether there is After the step of GPS signal can be used, including：If so, the GPS signal of the mobile equipment reception is sent to the server；By GPS signal described in the server process, the location information of the mobile equipment is calculated.
- 3. municipal administration personnel positioning method according to claim 1, which is characterized in that described that ground is monitored using bluetooth approach Base station signal, and the step of record its signal strength after, further include：Close GPS module.
- 4. municipal administration personnel positioning method according to claim 1, which is characterized in that described to pass through the server process institute The step of stating ground base station signal and signal strength, calculating the location information of the mobile equipment, including：By ground base station signal and signal strength described in the server process, with reference to the position of the mobile equipment last moment Confidence ceases, and calculates the location information at the mobile equipment current time.
- 5. municipal administration personnel positioning method according to claim 1, which is characterized in that described to pass through the server process institute After the step of stating ground base station signal and signal strength, calculating the location information of the mobile equipment, further include：The location information is sent to designated terminal by the server.
- 6. a kind of municipal administration personnel location system, which is characterized in that including：Ground base station, for sending ground base station signal；Mobile equipment, including GPS module, bluetooth module, wireless communication module,The GPS module, for monitoring whether that presence can use GPS signal；The bluetooth module during for that can not use GPS signal, monitors ground base station signal, and records its signal strength；The wireless communication module includes the first transmitting element, and first transmitting element is used to send the ground to server Base station signal and signal strength；Server for handling the ground base station signal and signal strength, calculates the location information of the mobile equipment.It is practical also to need to consider the discharge scenario of lithium battery in itself.In practical situations, motion bracelet can continue a journey 6 under bluetooth mode A month or so.
- 7. municipal administration personnel location system according to claim 6, which is characterized in that the wireless communication module further includes Second transmitting element, second transmitting element are used for the GPS signal for sending the mobile equipment to the server and receiving.
- 8. municipal administration personnel location system according to claim 6, which is characterized in that the mobile equipment further includes economize on electricity Unit when working for bluetooth module, closes GPS module.
- 9. municipal administration personnel location system according to claim 6, which is characterized in that the server includes computing unit, The computing unit is for handling the ground base station signal and signal strength, with reference to the position of the mobile equipment last moment Information calculates the location information at the mobile equipment current time.
- 10. municipal administration personnel location system according to claim 6, which is characterized in that it is single that the server further includes transmission Member, for sending the location information to designated terminal, ground base station further includes solar cell.
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| CN201711461812.6A CN108184224A (en) | 2017-12-28 | 2017-12-28 | A kind of municipal administration personnel positioning method and system |
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| CN201711461812.6A CN108184224A (en) | 2017-12-28 | 2017-12-28 | A kind of municipal administration personnel positioning method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109283564A (en) * | 2018-08-06 | 2019-01-29 | 石化盈科信息技术有限责任公司 | A kind of localization method and system of mobile terminal |
| CN110650517A (en) * | 2018-06-26 | 2020-01-03 | 北京金坤科创技术有限公司 | UWB positioning tag power-saving scheme based on identification shielding |
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| CN110650517A (en) * | 2018-06-26 | 2020-01-03 | 北京金坤科创技术有限公司 | UWB positioning tag power-saving scheme based on identification shielding |
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Application publication date: 20180619 |