CN106405494A - Indoor prisoner positioning system based on fingerprint identification - Google Patents
Indoor prisoner positioning system based on fingerprint identification Download PDFInfo
- Publication number
- CN106405494A CN106405494A CN201610728376.3A CN201610728376A CN106405494A CN 106405494 A CN106405494 A CN 106405494A CN 201610728376 A CN201610728376 A CN 201610728376A CN 106405494 A CN106405494 A CN 106405494A
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- CN
- China
- Prior art keywords
- base station
- fingerprint
- information
- antenna
- rfid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/06—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
Abstract
The invention discloses an indoor prisoner positioning system based on fingerprint identification. The system comprises an RFID wristband and a base station; the RFID wristband stores label information composed of identity information and fingerprint information of a prisoner, logs and collects the fingerprint information of a person who wears the wristband at present, matches the fingerprint information with stored fingerprint information of prisoners, and sends an RF signal via label information when matching succeeds; and the base station receives the RF signal from the RFID wristband, obtains the label information from the RF signal, detects the intensity of the received RF signal of the RFID wristband, calculates the distance from the RFID wristband to the base station, and determines the indoor position coordinate of the person who wears the wristband according to the distance. The person who wears the wristband at present can be verified via fingerprint identification, the position of the person relative to the base station can be positioned accurately after that verification passes, the base station can carry out identity identification and positioning on prisoners via a simple structure, and the security guard management level of prison information construction is improved comprehensively.
Description
Technical field
The present invention relates to a kind of Prison staff indoor locating system based on fingerprint recognition, belong to the technology neck of indoor positioning
Domain.
Background technology
Prison staff orientation management system is the important embodiment of prison informatization.Technology of Internet of things is applied to by system
Criminal calls the roll, come in and go out the enforcing laws such as registration, and prison officer can be made to grasp each controlled area a criminal in custody in prison in real time
The details of member and number, effectively prevent running away of personnel under detention, reduce criminal and clique the probability made trouble, and secret monitoring is high-risk
Personnel under detention, the generation of incident of violence of tracing and follow up, ensure the personal safety of administrative staff and personnel under detention to greatest extent.
RFID (Radio Frequency Identification, RF identification) is to be melted by space using radiofrequency signal
Close (alternating magnetic field or electromagnetic field) to realize contactless information transmission and pass through the skill that transmitted information reaches automatic identification purpose
Art.The advantage of radio-frequency identification card is that the untouchable of it, and therefore it, when completing to identify work without manual intervention, is suitable to
Realize automation, recognizable high-speed moving object and multiple radio-frequency cards can be identified simultaneously, swift and convenient to operate.RFID technique is one
Individual brand-new technical applications, it is little only to cover radio-frequency technique, further comprises radio-frequency technique, cryptography, Principle of Communication and
Semiconductor integrated circuit technology, is the new branch of science of multidisciplinary synthesis.Therefore, the understanding and research of RFID technique is had
Far-reaching theory significance.
Realizing Prison staff indoor positioning at present mainly has based on ranging technology and non-ranging technology, the positioning based on range finding
Algorithm has AOA, TOA, TDOA, RSSI；Mainly had based on the location algorithm of non-ranging technology：DV-Hop location algorithm, barycenter are calculated
Method, convex programming location algorithm etc..Location mechanism positioning precision based on range finding is of a relatively high, in low power wireless device composition
In high density net, because the synchronization between each equipment cannot be realized, estimate specifically to be difficult to using AOA, TDOA.Although permissible
By measuring TOA come estimated distance, but multipath and noise, and the inexactness of reference clock, all will make distance estimations
Effect is deteriorated；Based on non-ranging location algorithm without measuring node between danger spot information and angle information, be using network even
The position of general character calculate node, but positioning precision is low.And the distance estimations based on RSSI, can be surveyed by sensor node itself
Measure the firmly assorted support it is not necessary to extra.With simple using the algorithm of communication information compared with, RSSI adds extra has valency
The information of value.
Although in Prison staff indoor locating system, realized using various ways, its existing defects.As in application
Number：201220466496.8 the applying date：In the literary composition of 2012-09-11, give " a kind of Prison staff locating and monitoring watch, bag
Include table body and watchband it is characterised in that：It is equipped with a mainboard chip in described table body, described mainboard chip is integrated with 125K
Radio-frequency module and 2.45G radio frequency identification module, described watchband is provided with conductive tape, and watchband one end is provided with conductive lock, institute
The watchband stated is connected with mainboard chip by conductive tape.Using technique scheme, Prison staff positioning of the present invention
Monitoring watch, can realize convict is accurately positioned by 125K radio-frequency module and 2.45G radio frequency identification module, have following
Advantage：Appearance design compact, comfortable, do not affect the daily work of convict and life；It is integrated with 125K radio-frequency technique, relatively existing
There is watch Technical comparing, battery power consumption can be reduced, and enable the precise region positioning of 1-3 rice；Conductive wrist strap, sign passes
Sensor can be in effective lifting watch anti-destructive ".
And in an other application number：201410604262.9 the applying date：In the literary composition of 2014-10-30, disclose " present invention public affairs
Opened a kind of prison indoor locating system based on WiFi it is characterised in that：Including be arranged on police service monitoring room service end and
Setting client at the prison；Service end includes Web server, database server, location-server and router, service end
Web server, database server, location-server and router be connected with each other by LAN；Client is for supervising
The mobile terminal of control positioning convict；The mobile terminal of the router of service end and client passes through wireless WiFi net and connects.This
Bright positioned by WiFi network, can make up the restriction in building dense or indoor application for the GPS, expand positioning service
Application industry and scope, improve positioning precision, reduce lower deployment cost, improve utilization rate of equipment and installations, strengthen rescuing of solution of emergent event
Help ability, significant in monitoring management at the prison.”
Although above-mentioned document makes improvement so as to possess more preferable positioning accurate in monitoring to Prison staff indoor locating system
Degree.But it is true that yet suffer from deficiency.Existing Prison staff indoor locating system cannot be to the prison people wearing RFID wrist band
As long as member's identity carries out preliminary identification so that the RFID wrist band that the Prison staff in entrance base station range is worn can be known
Not, cannot accurately know whether the personnel of wearing and the Prison staff corresponding to RFID wrist band meet, hence in so that positioning system
System cannot verify that RFID wrist band wearer's is really identity, reduces the accuracy of system.
Content of the invention
The technical problem to be solved is to overcome the deficiencies in the prior art, provide a kind of based on fingerprint recognition
Prison staff indoor locating system, solving existing Prison staff indoor locating system cannot be to the prison people wearing RFID wrist band
Member's identity carries out preliminary identification, and cannot accurately know whether the personnel of wearing are met with the Prison staff corresponding to RFID wrist band
Problem.
The present invention specifically employs the following technical solutions solution above-mentioned technical problem：
A kind of Prison staff indoor locating system based on fingerprint recognition, including：
RFID wrist band, for storing the label information being made up of identity information and the finger print information of Prison staff；And it is used for typing
Currently wear the finger print information of personnel with collection, and described finger print information is mated with the Prison staff finger print information of storage, and
Control when the match is successful and label information is sent as radiofrequency signal；
Base station, for receiving the radiofrequency signal sending from RFID wrist band, obtains label information from radiofrequency signal；And detect institute
Receive the RF signal strength of RFID wrist band, calculate and obtain the distance value apart from base station for the RFID wrist band, determined by distance value and worn
Wear RFID wrist band personnel position coordinates indoors.
Further, as a preferred technical solution of the present invention：Described RFID wrist band includes supplying cell, storage
Device, processor, antenna, AC/AD converter, adjuster, encoder, decoder, fingerprint typing mouth and Fingerprint Identification Unit；Wherein sky
One end of line is sequentially connected with adjuster, encoder, memory；Described memory is connected with processor, decoder respectively；Described
The other end of antenna is sequentially connected with AC/AD converter, processor；Described fingerprint typing mouth is connected with Fingerprint Identification Unit, and refers to
Line identifier, supplying cell are connected with processor respectively；Described processor is connected with decoder, and decoder is connected with antenna.
Further, as a preferred technical solution of the present invention：Described supplying cell adopts solar cell.
Further, as a preferred technical solution of the present invention：Described antenna adopts bending type antenna.
Further, as a preferred technical solution of the present invention：Described base station adopts TZBS-6019 type read write line.
The present invention adopts technique scheme, can produce following technique effect：
The Prison staff indoor locating system based on fingerprint recognition that the present invention provides, is known by setting fingerprint in RFID wrist band
Other mechanism, carries out typing and identification, and the prison in described finger print information and storage using fingerprint recognition mechanism to wearer's fingerprint
Prison personnel's finger print information coupling, and control when the match is successful and label information is sent radiofrequency signal so that the penetrating of RFID wrist band
Frequency signal controls transmission according to fingerprint matching result, and after entering base station, only fingerprint matching successful RFID wrist band
Radiofrequency signal can be sent, base station just can read this signal, and this signal be carried out detect RF signal strength, calculate and obtain
RFID wrist band, apart from the distance value of base station, determines worn RFID wrist band personnel position coordinates indoors by distance value, thus
May insure RFID wrist band be correct Prison staff, and can be to it in base station relative position precise positioning, using essence
The structure of letter, can efficiently identify verification process, thus realizing base station to the real-time statistics of Prison staff, identification, fixed
The functions such as position tracking, improve prison informatization safeguard management level comprehensively.
Existing Prison staff indoor locating system can be solved the Prison staff identity that wear RFID wrist band cannot be entered
Row preliminary identification, and cannot accurately know the problem whether personnel of wearing are met with the Prison staff corresponding to RFID wrist band.
Brief description
Fig. 1 is the module diagram of the Prison staff indoor locating system based on fingerprint recognition of the present invention.
Specific embodiment
With reference to Figure of description, embodiments of the present invention are described.
As shown in figure 1, the present invention devises a kind of Prison staff indoor locating system based on fingerprint recognition, this system with
Based on RFID technique, by using terminal devices such as RFID wrist band and base stations, using RFID wireless communication technology, information is passed
Defeated to collection base station, realize locating and monitoring to Prison staff.Specifically, system includes：
RFID wrist band, for storing the label information being made up of identity information and the finger print information of Prison staff；And it is used for typing
Currently wear the finger print information of personnel with collection, and described finger print information is mated with the Prison staff finger print information of storage, and
Control when the match is successful and label information is sent as radiofrequency signal.
Base station, for receiving the radiofrequency signal sending from RFID wrist band, obtains label information from radiofrequency signal；And examine
Survey the RF signal strength of received RFID wrist band, calculate and obtain RFID wrist band apart from the distance value of base station, determined by distance value
Worn RFID wrist band personnel position coordinates indoors.
Further, described RFID wrist band includes supplying cell, memory, processor, antenna, AC/AD converter, regulation
Device, encoder, decoder, fingerprint typing mouth and Fingerprint Identification Unit；Wherein one end of antenna and adjuster, encoder, memory
It is sequentially connected；Described memory is connected with processor, decoder respectively；The other end of described antenna and AC/AD converter, process
Device is sequentially connected；Described fingerprint typing mouth is connected with Fingerprint Identification Unit, and Fingerprint Identification Unit, supplying cell respectively with processor phase
Even；Described processor is connected with decoder, and decoder is connected with antenna.Its principle is antenna and processor is core, antenna
It is RFID wrist band transmitting or the part accepting radiofrequency signal.First, antenna input processor after AC/AD converter, by processing
Device controls the work of encoder, decoder and memory.When antenna receives radiofrequency signal, by adjuster by Signal Regulation
Send into encoder afterwards, sent in memory by after encoder execution coding；Processor also controls decoder that memory tag is believed
Breath is decoded, and sends through antenna after decoding.Meanwhile, personnel's finger print information that the typing of fingerprint typing mouth is currently worn,
And using Fingerprint Identification Unit, the finger print information of institute's typing is mated with the Prison staff finger print information storing, in the match is successful time control
Label information is sent radiofrequency signal by system, and this signal is carried out detect RF signal strength, calculates and obtains RFID wrist band distance
The distance value of base station, determines worn RFID wrist band personnel position coordinates indoors by distance value, such that it is able to guarantee RFID
Wrist strap be correct Prison staff, and can be to it in base station relative position precise positioning.
And when unsuccessful, then do not send radiofrequency signal, show authentication failure.Base station then cannot when it fails to match for it
Receive radiofrequency signal, that is, determine that this Prison staff is absent.
Further, described supplying cell adopts solar cell.Can be set up using solar cell and collect solar energy
Function, converts thereof into electric energy, and make the RFID wrist band worn after school treats electric time lengthening, reduces energy consumption.
And, on this basis, bending type antenna can also be adopted by described antenna.Sky can be strengthened using bending type antenna
The radiation scope of line, improves signal strength signal intensity.
And, the described RFID base station of system, can adopt TZBS-6019 type read write line.Its operating frequency in 2.4GHz,
Identification distance：100 meters of omnidirectional antenna, 300 meters of directional aerial.Operating temperature can be：- 20 DEG C～60 DEG C.Apolegamy 433M radio frequency work(
Can, gain is amplified, and realizes more stable more preferable diffraction effect.
To sum up, using the structure simplified, verification process can efficiently be identified, thus realizing the reality to Prison staff for the base station
The functions such as Shi Tongji, identification, locating and tracking, improve prison informatization safeguard management level comprehensively.
Above in conjunction with accompanying drawing, embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned embodiment party
Formula, in the ken that those of ordinary skill in the art possess, can also do on the premise of without departing from present inventive concept
Go out various change.
Claims (5)
1. a kind of Prison staff indoor locating system based on fingerprint recognition is it is characterised in that include：
RFID wrist band, for storing the label information being made up of identity information and the finger print information of Prison staff；And it is used for typing
Currently wear the finger print information of personnel with collection, and described finger print information is mated with the Prison staff finger print information of storage, and
Control when the match is successful and label information is sent as radiofrequency signal；
Base station, for receiving the radiofrequency signal sending from RFID wrist band, obtains label information from radiofrequency signal；And detect institute
Receive the RF signal strength of RFID wrist band, calculate and obtain the distance value apart from base station for the RFID wrist band, determined by distance value and worn
Wear RFID wrist band personnel position coordinates indoors.
2. according to claim 1 the Prison staff indoor locating system based on fingerprint recognition it is characterised in that：Described RFID
Wrist strap includes supplying cell, memory, processor, antenna, AC/AD converter, adjuster, encoder, decoder, fingerprint typing
Mouth and Fingerprint Identification Unit；Wherein one end of antenna and adjuster, encoder, memory are sequentially connected；Described memory respectively with
Processor, decoder are connected；The other end of described antenna is sequentially connected with AC/AD converter, processor；Described fingerprint typing mouth
It is connected with Fingerprint Identification Unit, and Fingerprint Identification Unit, supplying cell are connected with processor respectively；Described processor and decoder phase
Connect, and decoder is connected with antenna.
3. according to claim 2 the Prison staff indoor locating system based on fingerprint recognition it is characterised in that：Described power supply
Battery adopts solar cell.
4. according to claim 2 the Prison staff indoor locating system based on fingerprint recognition it is characterised in that：Described antenna
Using bending type antenna.
5. according to claim 1 the Prison staff indoor locating system based on fingerprint recognition it is characterised in that：Described base station
Using TZBS-6019 type read write line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728376.3A CN106405494A (en) | 2016-08-26 | 2016-08-26 | Indoor prisoner positioning system based on fingerprint identification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728376.3A CN106405494A (en) | 2016-08-26 | 2016-08-26 | Indoor prisoner positioning system based on fingerprint identification |
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| CN106405494A true CN106405494A (en) | 2017-02-15 |
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| CN201610728376.3A Pending CN106405494A (en) | 2016-08-26 | 2016-08-26 | Indoor prisoner positioning system based on fingerprint identification |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107423672A (en) * | 2017-05-10 | 2017-12-01 | 广州智慧城市发展研究院 | A kind of fingerprint recognition sensing chip framework of RF-type |
| CN108051798A (en) * | 2017-12-15 | 2018-05-18 | 上海聚星仪器有限公司 | A kind of method of passive RFID tag positioning |
| CN110321747A (en) * | 2019-07-16 | 2019-10-11 | 杭州天宽科技有限公司 | A kind of offline roll-call method based on ultra-high-frequency data acquisition technique |
| CN111398995A (en) * | 2019-12-06 | 2020-07-10 | 大垚互联网技术(苏州)有限公司 | Specific personnel monitoring system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107423672A (en) * | 2017-05-10 | 2017-12-01 | 广州智慧城市发展研究院 | A kind of fingerprint recognition sensing chip framework of RF-type |
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| CN111398995A (en) * | 2019-12-06 | 2020-07-10 | 大垚互联网技术(苏州)有限公司 | Specific personnel monitoring system |
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Application publication date: 20170215 |
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