CN102023296A - RFID positioning method and system - Google Patents
RFID positioning method and system Download PDFInfo
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- CN102023296A CN102023296A CN2009101735771A CN200910173577A CN102023296A CN 102023296 A CN102023296 A CN 102023296A CN 2009101735771 A CN2009101735771 A CN 2009101735771A CN 200910173577 A CN200910173577 A CN 200910173577A CN 102023296 A CN102023296 A CN 102023296A
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Abstract
The present invention relates to a RFID positioning method and a system, which can determine the coordinate position of a RFID label. The method comprises the steps of: providing more than three relay locators to the RFID label, receiving a piece of identification information by the relay locators corresponded to the RFID, generating relay identification information with RSSI value, sending the relay identification information to a reader, sending the relay identification information to a computer by the reader, and using the RSSI value of the relay identification information by the computer. The RFID positioning system comprises more than three relay locators which can receive the identification information corresponding to the RFID label arrangement in order to generate the relay identification information with RSSI value, a reader connected with the relay locators which can send the relay identification information to the reader, and a computer electrically connected with the reader which can send the relay identification information to the computer, wherein the computer uses the RSSI value of the relay identification information.
Description
Technical field
The present invention relates to a kind of localization method and system thereof, particularly a kind of RFID localization method and system thereof.
Background technology
RFID (Radio Frequency IDentification) is a REID, is called electronic tag or radio frequency identification again.RFID is a kind of communication technology, can discern specific objective and read and write related data by radio signal, and need not to set up machinery between recognition system and the specific objective or optics contacts.The applicable field of RFID is very extensive, and main determining factor is the economic benefit of this technology in corresponding field.The concrete application of often mentioning comprises: banknote and products antifake technique, I.D., the pass, admission ticket, E-payment system (as EasyCard), domestic animal or wild animal identification, patient identification, electronic health record and logistics management or the like.The RFID technology can realize from the production of commodity design, materials procurement, semi-manufacture and manufactured goods, transportation, storage, dispensing and sale.Even the real-time monitoring of all supply chain links such as handling return and after sale service, accurately grasp product related information, such as manufacturer, production time, place, color, size, quantity, arrival point and recipient or the like.In whole e-commerce field, many people see the RFID technology as after the Internet and mobile communication two big technology trends trend again.
(Real Time Location System in the middle of application RTLS), according to the characteristic of radio signal propagation, has the method for multiple computed range and position basically in instant positioning system.Comprise reception preset angle configuration (Angle of Arrival, AOA), reception time method (Time of Arrival, TOA), the reception time difference method (Time Difference of Arrival, TDOA) and the signal intensity method (Received Signal Strength, RSS).Wherein, the signal intensity method is the signal propagation attenuation model of prior construction environment.After gauge point detects signal, by corresponding model therewith the intensity of signal decide distance with signal emitting-source.The intersection point of the distance circle that draws via three gauge points decides the position of signal emitting-source.Above-mentioned four kinds of methods are suitable for indoor environment with the signal intensity method.Because other three kinds of methods are bigger in the influence degree that indoor environment is subjected to the multi-path problem, and that the signal intensity method is subjected to the influence degree of multi-path problem is slightly little.And the variation of signal power was more expected when the signal intensity method moved for the position, and just measuring the gained position has higher measurement degree of accuracy.
Middleware (Middleware) provides the software that connects between system software and the application software, so that the communication between each parts of software.All belong to middleware as the Tomcat of Apache company, the WebSphere of IBM Corporation and the Apusic of Kingdee company etc.
Data base management system (DBMS) is the computer software that designs for management database, in order to the classification of controlling database and the access of data.Representative data management system has: Oracle, Microsoft SQL Server, Access, MySQL and PostgreSQL or the like.Usually the data base administrator can use data base management system (DBMS) to set up Database Systems.
Please refer to Fig. 3, it is existing RFID localization method process flow diagram.Existing RFID localization method can determine the coordinate position of a RFID label.This RFID label can send out an identifying information.At first, step S100 provides reader more than three to this RFID label.Then, step S200 receives this identifying information to those readers that should the RFID label, and produces the relaying identifying information that has RSSI (Received Signal Strength Indicator) value.Then, those readers of step S300 transmit those relaying identifying information to computing machines.At last, this computing machine of step S400 calculates the coordinate position of this RFID label by the RSSI value of those relaying identifying informations.
Please refer to Fig. 4, it is existing RFID positioning system block scheme.Existing RFID positioning system comprises a reader 30A～30C and the computing machine 40A more than three, and can determine the coordinate position of a RFID label 10A, and this RFID label 10A can send out an identifying information (not icon).Those readers 30A～30C system can receive this identifying information to being provided with by RFID label 10A, to produce the relaying identifying information (not icon) that has the RSSI value respectively.This computing machine 40A system is electrically connected with those readers 30A～30C.Those readers 30A～30C transmits those relaying identifying informations to this computing machine 40A.This computing machine 40A calculates the coordinate position of this RFID label 10A by the RSSI value of those relaying identifying informations.
Yet the shortcoming of above-mentioned existing RFID localization method and system thereof is, reader needs by network information is returned back-end system, so must all need provide network on-line respectively building seated position, will roll up and build the cost and the complexity of putting, and elongation built and put time-histories.
Summary of the invention
For improving the shortcoming of above-mentioned prior art, a purpose of the present invention is to provide a kind of RFID localization method, can accurately orient the coordinate position of a RFID label.
For improving the shortcoming of above-mentioned prior art, another purpose of the present invention is to provide a kind of RFID positioning system, can accurately orient the coordinate position of a RFID label.
For reaching above-mentioned purpose of the present invention, RFID localization method of the present invention is the coordinate position that can determine a RFID label, and this RFID label can send out an identifying information.This RFID localization method comprises: provide the relaying steady arm more than three (router) to this RFID label; Those relaying steady arms that should the RFID label are received this identifying information, and produce the relaying identifying information that has the RSSI value; Those relaying steady arms transmit those relaying identifying information to readers; This reader transmits those relaying identifying information to computing machines; This computing machine calculates the coordinate position of this RFID label by the RSSI value of those relaying identifying informations with location algorithm.
For reaching another purpose of the present invention, RFID positioning system of the present invention is the coordinate position that can determine a RFID label, and this RFID label can send out an identifying information.This RFID positioning system comprises: the relaying steady arm more than three to being provided with by the RFID label, can receive this identifying information, to produce the relaying identifying information that has the RSSI value respectively; One reader is connected with those relaying steady arm operability, and those relaying steady arms transmit those relaying identifying informations to this reader; And a computing machine, being electrically connected with this reader, this reader transmits those relaying identifying informations to this computing machine.Wherein this computing machine calculates the coordinate position of this RFID label by the RSSI value of those relaying identifying informations with location algorithm.
Beneficial functional of the present invention is, RFID positioning system provided by the invention and RFID localization method can accurately be oriented the coordinate position of a RFID label.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is a RFID localization method process flow diagram of the present invention;
Fig. 2 is a RFID positioning system block scheme of the present invention;
Fig. 3 is existing RFID localization method process flow diagram;
Fig. 4 is existing RFID positioning system block scheme.
Wherein, Reference numeral
S10～S60 step
10 RFID labels
20A～20C relaying steady arm
30 readers
40 computing machines
42 middlewares
44 instant positioning systems
46 data base management system (DBMS)s
S100～S400 step
10A RFID label
30A～30C reader
The 40A computing machine
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and principle of work are done concrete description:
Please refer to Fig. 1, it is a RFID localization method process flow diagram of the present invention.RFID localization method of the present invention can determine the coordinate position of a RFID label.This RFID label can send out an identifying information.At first, step S10 provides the relaying steady arm more than three (router) to this RFID label.Then, step S20 receives this identifying information to those relaying steady arms that should the RFID label, and produces the relaying identifying information that has the RSSI value.Then, those relaying steady arms of step S30 transmit those relaying identifying information to readers.Continue, this reader of step S40 transmits those relaying identifying information to computing machines.Then, this computing machine of step S50 calculates the coordinate position of this RFID label by the RSSI value of those relaying identifying informations with location algorithm (for example triangle location algorithm).At last, those relaying steady arms of step S60 continue to receive this identifying information that this RFID label is sent.Wherein, those relaying steady arms are to be netted (Mesh) framework; This computing machine comprises middleware (Middleware), instant positioning system (Real Time Location System) and data base management system (DBMS) (for example MySQL).
RFID localization method of the present invention is the integration application that utilizes instant positioning system signal intensity method commonly used and GPS (Global Positioning System, GPS) location algorithm commonly used.Between the RFID of prior art label and reader, install and place those relaying steady arms of developing based on netted (Mesh) framework.Utilize the received RSSI of those relaying steady arms, position the coordinate position that algorithm computation goes out this RFID label again.Can lower network in a large number and build and be set to this and reach more real-time and accurately estimate the purpose of the real coordinate position of this RFID label, be much better than effect and accuracy that prior art is only utilized the location of being done with reader.
Please refer to Fig. 2, it is a RFID positioning system block scheme of the present invention.This RFID positioning system comprises relaying steady arm 20A～20C, a reader 30 and the computing machine 40 more than three.This RFID positioning system can determine the coordinate position of a RFID label 10, and this RFID label 10 can send out an identifying information (not icon).Those relaying steady arms 20A～20C is to should being provided with by RFID label 10, can receiving this identifying information, to produce the relaying identifying information (not icon) that has the RSSI value respectively.This reader 30 is to be connected (for example connecting for wireless mode) with those relaying steady arms 20A～20C operability.Those relaying steady arms 20A～20C transmits those relaying identifying informations to this reader 30.This computing machine 40 is to be electrically connected with this reader 30.This reader 30 transmits those relaying identifying informations to this computing machine 40.This computing machine 40 calculates the coordinate position of this RFID label 10 by the RSSI value of those relaying identifying informations with location algorithm (for example triangle location algorithm).Wherein, those relaying steady arms 20A～20C is netted (Mesh) framework; This computing machine 40 comprises middleware 42 (Middleware), instant positioning system 44 (Real Time Location System) and data base management system (DBMS) 46 (for example MySQL).RFID positioning system of the present invention is to utilize the integration application of instant positioning system signal intensity method commonly used and GPS (Global Positioning System, GPS) location algorithm commonly used.Between the RFID of prior art label and reader, install and place those relaying steady arms 20A～20C that develops based on netted (Mesh) framework.Utilize the received RSSI of those relaying steady arms 20A～20C, position the coordinate position that algorithm computation goes out this RFID label 10 again.Can lower network in a large number and build and be set to this and reach more real-time and accurately estimate the purpose of these RFID label 10 real coordinate positions, be much better than effect and accuracy that prior art is only utilized the location of being done with reader.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. RFID localization method can determine the coordinate position of a RFID label, and wherein this RFID label can send out an identifying information, it is characterized in that, this RFID localization method comprises:
A. provide the steady arm of the relaying more than three to this RFID label;
B. those relaying steady arms that should the RFID label are received this identifying information, and produce the relaying identifying information that has the RSSI value;
C. those relaying steady arms transmit those relaying identifying information to readers;
D. this reader transmits those relaying identifying information to computing machines; And
E. this computing machine calculates the coordinate position of this RFID label by the RSSI value of those relaying identifying informations with location algorithm.
2. RFID localization method according to claim 1 is characterized in that, also comprises a step F: those relaying steady arms continue to receive this identifying information that this RFID label is sent.
3. RFID localization method according to claim 1 is characterized in that, those relaying steady arms are mesh architecture.
4. RFID localization method according to claim 1 is characterized in that, this computing machine comprises middleware, instant positioning system and data base management system (DBMS).
5. RFID localization method according to claim 1 is characterized in that, this location algorithm is the triangle location algorithm.
6. RFID positioning system can determine the coordinate position of a RFID label, and wherein this RFID label can send out an identifying information, it is characterized in that, this RFID positioning system comprises:
Relaying steady arm more than three to being provided with by the RFID label, can receive this identifying information, to produce the relaying identifying information that has the RSSI value respectively;
One reader is connected with those relaying steady arm operability, and those relaying steady arms transmit those relaying identifying informations to this reader; And
One computing machine is electrically connected with this reader, and this reader transmits those relaying identifying informations to this computing machine,
Wherein this computing machine calculates the coordinate position of this RFID label by the RSSI value of those relaying identifying informations with location algorithm.
7. RFID positioning system according to claim 6 is characterized in that, this reader is that wireless mode is connected with those relaying steady arms.
8. RFID positioning system according to claim 6 is characterized in that, those relaying steady arms are mesh architecture.
9. RFID positioning system according to claim 6 is characterized in that, this computing machine comprises middleware, instant positioning system and data base management system (DBMS).
10. RFID positioning system according to claim 6 is characterized in that, this location algorithm is the triangle location algorithm.
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| CN2009101735771A CN102023296A (en) | 2009-09-17 | 2009-09-17 | RFID positioning method and system |
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| CN2009101735771A CN102023296A (en) | 2009-09-17 | 2009-09-17 | RFID positioning method and system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103294975A (en) * | 2013-06-07 | 2013-09-11 | 艾伯资讯（深圳）有限公司 | Method and system for managing intelligent patrolling and personnel positioning |
| CN103308886A (en) * | 2012-03-12 | 2013-09-18 | 刘佑铭 | Local-area tracing and positioning system |
| CN103973355A (en) * | 2014-05-06 | 2014-08-06 | 国家电网公司 | Positioning signal repeater |
| CN104316044A (en) * | 2014-10-28 | 2015-01-28 | 国家电网公司 | Accurate positioning and navigation method of concentrator in electrical transformer district |
| CN105610943A (en) * | 2015-12-29 | 2016-05-25 | 深圳伊艾克斯信息技术有限公司 | Three-dimensional location positioning system and method based on beacons and positioning network elements |
| CN109118813A (en) * | 2018-08-21 | 2019-01-01 | 广东工业大学 | A kind of parking lot intelligent vehicle-tracing system and method |
| CN114677814A (en) * | 2022-03-25 | 2022-06-28 | 武汉楚誉科技股份有限公司 | Special cell-phone cabinet in fire control wisdom camp area |
| CN115211383A (en) * | 2021-04-15 | 2022-10-21 | 深圳市中融数字科技有限公司 | Ear tag determination method and device, storage medium and electronic equipment |
-
2009
- 2009-09-17 CN CN2009101735771A patent/CN102023296A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308886A (en) * | 2012-03-12 | 2013-09-18 | 刘佑铭 | Local-area tracing and positioning system |
| CN103294975A (en) * | 2013-06-07 | 2013-09-11 | 艾伯资讯（深圳）有限公司 | Method and system for managing intelligent patrolling and personnel positioning |
| CN103973355A (en) * | 2014-05-06 | 2014-08-06 | 国家电网公司 | Positioning signal repeater |
| CN104316044A (en) * | 2014-10-28 | 2015-01-28 | 国家电网公司 | Accurate positioning and navigation method of concentrator in electrical transformer district |
| CN104316044B (en) * | 2014-10-28 | 2017-08-08 | 国家电网公司 | A kind of distribute-electricity transformer district concentrator is accurately positioned air navigation aid |
| CN105610943A (en) * | 2015-12-29 | 2016-05-25 | 深圳伊艾克斯信息技术有限公司 | Three-dimensional location positioning system and method based on beacons and positioning network elements |
| CN105610943B (en) * | 2015-12-29 | 2019-10-11 | 深圳伊艾克斯信息技术有限公司 | A kind of three-positional fix system and method based on beacon and positioning network element |
| CN109118813A (en) * | 2018-08-21 | 2019-01-01 | 广东工业大学 | A kind of parking lot intelligent vehicle-tracing system and method |
| CN109118813B (en) * | 2018-08-21 | 2021-06-25 | 广东工业大学 | Intelligent vehicle searching system and method for parking lot |
| CN115211383A (en) * | 2021-04-15 | 2022-10-21 | 深圳市中融数字科技有限公司 | Ear tag determination method and device, storage medium and electronic equipment |
| CN115211383B (en) * | 2021-04-15 | 2024-04-19 | 深圳市中融数字科技有限公司 | Ear tag determination method and device, storage medium and electronic equipment |
| CN114677814A (en) * | 2022-03-25 | 2022-06-28 | 武汉楚誉科技股份有限公司 | Special cell-phone cabinet in fire control wisdom camp area |
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Application publication date: 20110420 |