CN108985407B - RFID positioning management system and method based on beam scanning - Google Patents
RFID positioning management system and method based on beam scanning Download PDFInfo
- Publication number
- CN108985407B CN108985407B CN201810769086.2A CN201810769086A CN108985407B CN 108985407 B CN108985407 B CN 108985407B CN 201810769086 A CN201810769086 A CN 201810769086A CN 108985407 B CN108985407 B CN 108985407B
- Authority
- CN
- China
- Prior art keywords
- counter
- rfid
- server
- data
- read
- 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.)
- Active
Links
Images
Classifications
-
- 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 a beam scanning-based RFID (radio frequency identification) positioning management system and a beam scanning-based RFID positioning management method, wherein the system comprises an RFID read-write module, an intelligent control module, a server, a client and a plurality of RFID array antennas positioned in different counters; the method comprises the following steps: initiating an inventory request to a server, generating an inventory instruction by the server, and issuing the inventory instruction to an RFID read-write module; the RFID reading and writing module scans radiation beams in different directions on the counter and reads information of RFID tags of goods in different directions in the counter; performing primary processing on the reading result, and transmitting the processing result to a server; and the server performs positioning analysis on the goods information in different counters to obtain the container number information corresponding to the goods and then transmits the result back to the client. According to the invention, RFID reading is carried out by carrying out radiation beam scanning in different directions on the counter, and the reading result is transmitted to the server through the intelligent control module, so that the positioning analysis of the RFID tag is realized, and great convenience is brought to the automatic inventory and positioning management of counter goods.
Description
Technical Field
The invention relates to counter goods management, in particular to a beam scanning-based RFID goods positioning management system and method.
Background
Over-the-counter inventory management has been a labor and time consuming task. The traditional approach is to use periodic manual inventorying. Taking jewelry stores as an example, a store closure is taken out for inventory at least one to two days a month. Therefore, the efficiency is low, not only the labor is wasted, but also the precious business hours are wasted.
Therefore, in order to improve the checking efficiency of counter goods, the RFID technology can be adopted to automatically check and position the goods with the tags, but because the radiation energy of the antenna is in an open radiation state, and the distance between the antenna and the RFID tag is short, the tags and the antennas between adjacent counters are easy to read, so that the positioning data is wrong, the positioning of the tags is not accurate, and much inconvenience is brought to the positioning management of the counter goods.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a system and a method for positioning and managing RFID goods based on beam scanning.
The purpose of the invention is realized by the following technical scheme: an RFID positioning management system based on beam scanning comprises an RFID read-write module, an intelligent control module, a server, a client and a plurality of RFID array antennas positioned in different counters; the RFID read-write module is respectively connected with each RFID array antenna, the RFID read-write module is also connected with the intelligent control module, the intelligent control module is connected with a server through a wireless network, and the server is connected with a client;
the RFID read-write module receives the inventory instruction from the server through the intelligent control module, is matched with the RFID array antenna, scans radiation beams in different directions on the counter, respectively reads the RFID tag information of the goods in the counter through the beams in different directions, and transmits the read result to the intelligent control module;
the intelligent control module is used for forwarding the inventory command issued by the server to the RFID read-write module, performing primary processing on the read result of the RFID read-write module and transmitting the processed result to the server;
the server generates an inventory instruction according to an inventory request of the client, issues the inventory instruction to the RFID read-write module through the intelligent control module, performs positioning analysis on goods information in different counters according to the information from the intelligent control module, calculates to obtain the container number information corresponding to the goods, and then transmits the result back to the client;
and the client is used for the manager to initiate an inventory request to the server or check the goods positioning information analyzed and obtained by the server.
Wherein the RFID tag information includes an EPC code of the item.
The counter is provided with four radiation beams in four directions, and the four scanning beams in four directions jointly complete the tag reading of all goods in the counter.
In each counter, the scanning angles of the radiation beams in two directions are between 0 and 90 degrees, and the scanning angles of the radiation beams in the other two directions are between 90 and 180 degrees; so for any two adjacent counters A, B, only two directional radiation beams in counter a can read to tags in counter B, and only two directional radiation beams in counter B can read to tags in counter a.
The positioning management method of the RFID positioning management system based on beam scanning comprises the following steps:
s1, a manager initiates a checking request to a server through a client, the server generates a checking instruction according to the checking request, and the checking instruction is issued to an RFID read-write module through an intelligent control module;
s2, according to the checking instruction, the RFID read-write module is matched with RFID array antennas in different counters, radiation beam scanning in different directions is carried out on the counters, information of goods RFID tags in different directions in the counters is read and obtained, and the read result is transmitted to the intelligent control module;
s3, the intelligent control module performs primary processing on the reading results to obtain an EPC number, a received signal strength value, a reading frequency, a frequency point parameter, a channel source and a radiation beam direction corresponding to each reading result, and transmits the EPC number, the received signal strength value, the reading frequency, the frequency point parameter, the channel source and the radiation beam direction to a server;
s4, the server performs positioning analysis on the goods information in different counters according to the information from the intelligent control module, calculates to obtain the container number information corresponding to the goods, and then transmits the result back to the client;
and S5, the manager checks the information returned by the server through the client.
The step S4 includes the following sub-steps:
s41, the server classifies the data uploaded by the intelligent control module: tag data read by only one in-counter antenna is of a first type; the tag data read by the two antennas in the cabinet at the same time is of a second type;
s42, for the first type of label data, the server directly judges that the counter from which the data comes is the counter where the label is located, and for the second type of data, the step S43 is carried out;
s43, the server calculates the possible value of the second type of label data in the cabinet in one radiation direction;
and S44, judging the counter where the second type of label data is located according to the calculated possible value of the counter.
The step S43 includes the steps of:
for any tag x of the second type of tag data, it is assumed that the tag is read by an antenna in a certain counter M in a radiation direction nxThen, obtain nxStrip data, then n will be obtainedxThe strip data are arranged from large to small according to the signal intensity;
after the data arrangement is completed, removing the data of the front a% and the rear b%, and remaining n'xThe method comprises the following steps of (1) strip data, wherein a and b are preset data intercept point parameters;
obtaining a signal strength representative value R of the remaining dataxSum frequency point parameter representative value fx：
Wherein RSSIj represents the signal strength of the jth data in the remaining data，fjA frequency point parameter j ═ 1, 2., n 'indicating jth data among the remaining data'x；faRepresenting the average value of the frequency point parameters in the residual data;
calculation of alpha. Rx-β·fx+γ·nxAs the in-cabinet possible value of the label x in the counter M, where α, β, γ are preset weight values.
The step S44 includes the following sub-steps:
for any tag x of the second type tag data, assuming that it is read by the neighboring counter A, B at the same time, the possible values P (a1) and P (a2) in the counter a and the possible values P (B3) and P (B4) in the counter B for the two radiation directions of the tag are calculated respectively according to step S43;
judging whether the condition | P (A1) -P (A2) | > | P (B3) -P (B4) | is satisfied,
if yes, the label x is judged to be positioned at the counter A, and if not, the label x is judged to be positioned at the counter B.
The invention has the beneficial effects that: according to the invention, the information of the goods RFID tags in different directions in the counter is read in a mode of carrying out radiation beam scanning in different directions on the counter, and is transmitted to the server through the intelligent control module, so that the positioning analysis of the RFID tags is realized, and great convenience is brought to the automatic checking and positioning management of the goods on the counter.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention;
FIG. 2 is a schematic structural diagram of an RFID array antenna in an embodiment;
FIG. 3 is a schematic diagram of radiation beams in different directions in the embodiment;
FIG. 4 is a schematic illustration of the radiation beams of two adjacent counter A, B in an embodiment;
FIG. 5 is a flow chart of the method of the present invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1, an RFID positioning management system based on beam scanning includes an RFID read-write module, an intelligent control module, a server, a client, and a plurality of RFID array antennas located in different counters; the RFID read-write module is respectively connected with each RFID array antenna, the RFID read-write module is also connected with the intelligent control module, the intelligent control module is connected with a server through a wireless network, and the server is connected with a client;
the RFID read-write module receives the inventory instruction from the server through the intelligent control module, is matched with the RFID array antenna, scans radiation beams in different directions on the counter, respectively reads the RFID tag information of the goods in the counter through the beams in different directions, and transmits the read result to the intelligent control module;
the intelligent control module is used for forwarding the inventory command issued by the server to the RFID read-write module, performing primary processing on the read result of the RFID read-write module and transmitting the processed result to the server;
the server generates an inventory instruction according to an inventory request of the client, issues the inventory instruction to the RFID read-write module through the intelligent control module, performs positioning analysis on goods information in different counters according to the information from the intelligent control module, calculates to obtain the container number information corresponding to the goods, and then transmits the result back to the client;
and the client is used for the manager to initiate an inventory request to the server or check the goods positioning information analyzed and obtained by the server.
The RFID tag information includes an EPC code of the item.
In some embodiments of the present application, the RFID reading/writing module includes an RFID reading/writing unit, the RFID reading/writing unit is connected to each RFID reading/writing antenna through a multi-way selection switch, and the RFID reading/writing unit is further connected to the intelligent control module. In other embodiments of the present application, the RFID read-write module includes a plurality of RFID read-write units, the number of the RFID read-write units is the same as that of the RFID array antennas, the RFID read-write units are connected in a one-to-one correspondence, and each RFID read-write unit is further connected to the intelligent control module.
In the embodiment of the application, the intelligent control module comprises a microprocessor and a wireless sending module, the microprocessor is respectively connected with the RFID read-write module and the wireless communication module, and the wireless communication module establishes communication with the server. In the embodiment of the application, the RFID read-write module and the intelligent control module realize power supply through the same power supply.
Each counter is provided with four-direction radiation beams, and the four-direction scanning beams complete the tag reading of all goods in the counter. In each counter, the scanning angles of the radiation beams in two directions are between 0 and 90 degrees, and the scanning angles of the radiation beams in the other two directions are between 90 and 180 degrees; so for any two adjacent counters A, B, only two directional radiation beams in counter a can read to tags in counter B, and only two directional radiation beams in counter B can read to tags in counter a.
As shown in fig. 2, in the embodiment of the present application, switching of beams in four different directions is implemented by accessing different microstrip lines through a microwave switch, and specifically, each RFID array antenna includes four antennas (antenna 1 to antenna 4); the antenna 1 to the antenna 4 have the same structure. A multi-path selection switch (single-pole four-throw switch) is arranged between each antenna and the RFID reader-writer, four fixed ends of the single-pole four-throw switch are respectively connected with the antennas through a microstrip line, and the movable end of the single-pole four-throw switch is connected with the RFID reading-writing module; the lengths of the microstrip lines are different, and the microstrip lines with different lengths can be selected by switching the single-pole four-throw switch.
When each unit antenna of the array antenna is designed with a specific phase, the radiation direction of the whole antenna array can rotate according to the requirement; for example, when four antennas are sequentially arranged with a phase difference of 30 degrees from left to right, the overall beam is shifted to the left by a certain angle, and the arrangement of the phase is modified to realize different beam shift angles. Different feed phases can be configured for each antenna through microstrip lines with different lengths, so that the integral wave beams of the four antennas can deflect at corresponding angles according to design; therefore, four antennas in each counter are used as a group of array antennas, and four different phase matching schemes are designed for the array antennas, so that four different radiation beam scanning directions can be respectively realized, such as a left-first radiation mode, a left-second radiation mode, a right-first radiation mode, a right-second radiation mode and four radiation modes in fig. 3. And then guarantee in each the sales counter, wherein the radiation beam scanning angle of two directions is between 0 ~ 90 degrees, and the radiation beam scanning angle of two other directions is between 90 ~ 180 degrees. So for any two adjacent counters A, B, there are only two directional radiation beams in counter a that can read to tags in counter B, and there are only two directional radiation beams in counter B that can read to tags in counter a, as shown in fig. 4.
As shown in fig. 5, the positioning management method of the RFID positioning management system based on beam scanning includes the following steps:
s1, a manager initiates a checking request to a server through a client, the server generates a checking instruction according to the checking request, and the checking instruction is issued to an RFID read-write module through an intelligent control module;
s2, according to the checking instruction, the RFID read-write module is matched with RFID array antennas in different counters, radiation beam scanning in different directions is carried out on the counters, information of goods RFID tags in different directions in the counters is read and obtained, and the read result is transmitted to the intelligent control module;
s3, the intelligent control module performs primary processing on the reading results to obtain an EPC number, a received signal strength value, a reading frequency, a frequency point parameter, a channel source and a radiation beam direction corresponding to each reading result, and transmits the EPC number, the received signal strength value, the reading frequency, the frequency point parameter, the channel source and the radiation beam direction to a server;
s4, the server performs positioning analysis on the goods information in different counters according to the information from the intelligent control module, calculates to obtain the container number information corresponding to the goods, and then transmits the result back to the client;
and S5, the manager checks the information returned by the server through the client.
The step S4 includes the following sub-steps:
s41, the server classifies the data uploaded by the intelligent control module: tag data read by only one in-counter antenna is of a first type; the tag data read by the two antennas in the cabinet at the same time is of a second type;
s42, for the first type of label data, the server directly judges that the counter from which the data comes is the counter where the label is located, and for the second type of data, the step S43 is carried out;
s43, the server calculates the possible value of the second type of label data in the cabinet in one radiation direction;
and S44, judging the counter where the second type of label data is located according to the calculated possible value of the counter.
The step S43 includes the steps of:
for any tag x of the second type of tag data, it is assumed that the tag is read by an antenna in a certain counter M in a radiation direction nxThen, obtain nxStrip data, then n will be obtainedxThe strip data are arranged from large to small according to the signal intensity;
after the data arrangement is completed, removing the data of the front a% and the rear b%, and remaining n'xThe method comprises the following steps of (1) strip data, wherein a and b are preset data intercept point parameters;
obtaining a signal strength representative value R of the remaining dataxSum frequency point parameter representative value fx：
Wherein RSSIj represents the signal strength of the jth data among the remaining data, fjA frequency point parameter j ═ 1, 2., n 'indicating jth data among the remaining data'x；faRepresenting the average value of the frequency point parameters in the residual data;
calculation of alpha. Rx-β·fx+γ·nxAs the in-cabinet possible value of the label x in the counter M, where α, β, γ are preset weight values.
The step S44 includes the following sub-steps:
for any tag x of the second type tag data, assuming that it is read by the neighboring counter A, B at the same time, the possible values P (a1) and P (a2) in the counter a and the possible values P (B3) and P (B4) in the counter B for the two radiation directions of the tag are calculated respectively according to step S43;
judging whether the condition | P (A1) -P (A2) | > | P (B3) -P (B4) | is satisfied,
if yes, the label x is judged to be positioned at the counter A, and if not, the label x is judged to be positioned at the counter B.
The working principle of the invention will be explained below with reference to a specific example, where for adjacent (jewelry) counters A, B, scanned according to the method of the invention as shown in fig. 4, we will get 8 sets of data, eight from a 1-a 4, B1-B4, respectively. Due to the characteristics of beam design, the data in the two groups A4 and A3 only contain the data of the tag in the A counter, and the data in the two groups B2 and B1 only contain the data of the tag in the B counter. The four groups of data A1, A2, B3 and B4 contain tag data (second type tag data) which are read by the AB cabinet at the same time; therefore, according to step S43, the possible values P (a1), P (a2), P (B3), and P (B4) in the cabinets can be calculated respectively, and if the tag is in the a cabinet closer to the a cabinet antenna group, the variation between P (a1) and P (a2) is significantly larger than the variation between P (B3) and P (B4), whereas if the tag is in the B cabinet closer to the B cabinet antenna group, the variation between P (a1) and P (a2) is significantly smaller than the variation between P (B3) and P (B4); therefore, the absolute value of the difference between P (A1) and P (A2) can be compared with the absolute values of the difference between P (B3) and P (B4), so as to determine the counter in which the label is located.
In conclusion, the invention reads the information of the RFID tags of goods in different directions in the counter in a mode of carrying out radiation beam scanning in different directions on the counter, and transmits the information to the server through the intelligent control module, thereby realizing the positioning analysis of the RFID tags and bringing great convenience to the automatic checking and positioning management of the goods on the counter.
Finally, it should be noted that the above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. An RFID positioning management system based on beam scanning is characterized in that: the system comprises an RFID read-write module, an intelligent control module, a server, a client and a plurality of RFID array antennas positioned in different counters; the RFID read-write module is respectively connected with each RFID array antenna, the RFID read-write module is also connected with the intelligent control module, the intelligent control module is connected with a server through a wireless network, and the server is connected with a client;
the RFID read-write module receives the inventory instruction from the server through the intelligent control module, is matched with the RFID array antenna, scans radiation beams in different directions on the counter, respectively reads the RFID tag information of the goods in the counter through the beams in different directions, and transmits the read result to the intelligent control module;
the intelligent control module is used for forwarding the inventory command issued by the server to the RFID read-write module, performing primary processing on the read result of the RFID read-write module and transmitting the processed result to the server;
the server generates an inventory instruction according to an inventory request of the client, issues the inventory instruction to the RFID read-write module through the intelligent control module, performs positioning analysis on goods information in different counters according to the information from the intelligent control module, calculates to obtain the container number information corresponding to the goods, and then transmits the result back to the client;
the client is used for the manager to initiate an inventory request to the server or check goods positioning information obtained by the server;
each counter is provided with four-direction radiation beams, and the four-direction scanning beams jointly complete the tag reading of all goods in the counter;
in each counter, the scanning angles of the radiation beams in two directions are between 0 and 90 degrees, and the scanning angles of the radiation beams in the other two directions are between 90 and 180 degrees; so for any two adjacent counters A, B, only two directional radiation beams in counter a can read to tags in counter B, and only two directional radiation beams in counter B can read to tags in counter a.
2. The system according to claim 1, wherein the beam scanning-based RFID location management system comprises: the RFID tag information includes an EPC code of the item.
3. The positioning management method of the RFID positioning management system based on beam scanning according to any claim 1-2, characterized in that: the method comprises the following steps:
s1, a manager initiates a checking request to a server through a client, the server generates a checking instruction according to the checking request, and the checking instruction is issued to an RFID read-write module through an intelligent control module;
s2, according to the checking instruction, the RFID read-write module is matched with RFID array antennas in different counters, radiation beam scanning in different directions is carried out on the counters, information of goods RFID tags in different directions in the counters is read and obtained, and the read result is transmitted to the intelligent control module;
s3, the intelligent control module performs primary processing on the reading results to obtain an EPC number, a received signal strength value, a reading frequency, a frequency point parameter, a channel source and a radiation beam direction corresponding to each reading result, and transmits the EPC number, the received signal strength value, the reading frequency, the frequency point parameter, the channel source and the radiation beam direction to a server;
s4, the server performs positioning analysis on the goods information in different counters according to the information from the intelligent control module, calculates to obtain the container number information corresponding to the goods, and then transmits the result back to the client;
s5, checking information returned by the server through the client by a manager;
the step S4 includes the following sub-steps:
s41, the server classifies the data uploaded by the intelligent control module: tag data read by only one in-counter antenna is of a first type; the tag data read by the two antennas in the cabinet at the same time is of a second type;
s42, for the first type of label data, the server directly judges that the counter from which the data comes is the counter where the label is located, and for the second type of data, the step S43 is carried out;
s43, the server calculates the possible value of the second type of label data in the cabinet in one radiation direction;
s44, judging a counter where the second type of label data is located according to the calculated possible value of the counter;
the step S43 includes the steps of:
for any tag x of the second type of tag data, it is assumed that the tag is read by an antenna in a certain counter M in a radiation direction nxThen, obtain nxStrip data, then n will be obtainedxThe strip data are arranged from large to small according to the signal intensity;
after the data arrangement is completed, removing the data of the front a% and the rear b%, and remaining n'xThe method comprises the following steps of (1) strip data, wherein a and b are preset data intercept point parameters;
obtaining a signal strength representative value R of the remaining dataxSum frequency point parameter representative value fx：
Wherein RSSIj represents the signal strength of the jth data among the remaining data, fjA frequency point parameter j ═ 1, 2., n 'indicating jth data among the remaining data'x；faRepresenting the average value of the frequency point parameters in the residual data;
calculation of alpha. Rx-β·fx+γ·nxAs the in-cabinet possible value of the label x in the counter M, wherein alpha, beta and gamma are preset weight values;
the step S44 includes the following sub-steps:
for any tag x of the second type tag data, assuming that it is read by the neighboring counter A, B at the same time, the possible values P (a1) and P (a2) in the counter a and the possible values P (B3) and P (B4) in the counter B for the two radiation directions of the tag are calculated respectively according to step S43;
judging whether the condition | P (A1) -P (A2) | > | P (B3) -P (B4) | is satisfied,
if yes, the label x is judged to be positioned at the counter A, and if not, the label x is judged to be positioned at the counter B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810769086.2A CN108985407B (en) | 2018-07-13 | 2018-07-13 | RFID positioning management system and method based on beam scanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810769086.2A CN108985407B (en) | 2018-07-13 | 2018-07-13 | RFID positioning management system and method based on beam scanning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108985407A CN108985407A (en) | 2018-12-11 |
| CN108985407B true CN108985407B (en) | 2021-11-02 |
Family
ID=64537215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810769086.2A Active CN108985407B (en) | 2018-07-13 | 2018-07-13 | RFID positioning management system and method based on beam scanning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108985407B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109816065A (en) * | 2019-01-22 | 2019-05-28 | 云圣物联(深圳)有限公司 | A kind of bin article checking method for eliminating RFID intelligent cabinet electromagnetic shielding measure |
| CN110399756A (en) * | 2019-07-23 | 2019-11-01 | 深圳市琥玟科技有限公司 | A kind of method and system using article in RFID identification adjacent container |
| CN112310658B (en) * | 2019-07-25 | 2023-04-28 | Oppo广东移动通信有限公司 | Antenna module, electronic equipment and control method of electronic equipment |
| CN114118327A (en) * | 2021-12-03 | 2022-03-01 | 中国建设银行股份有限公司 | Method, apparatus, device and medium for determining moving direction of article |
| CN114707619A (en) * | 2022-03-31 | 2022-07-05 | 深圳诺博医疗科技有限公司 | Medical consumable management system and management method |
| CN116823120B (en) * | 2023-07-21 | 2024-03-12 | 尚戎信息技术(深圳)有限公司 | Cargo warehouse-in and warehouse-out detection method, device, equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136824A (en) * | 2011-12-05 | 2013-06-05 | 艾迪讯科技股份有限公司 | Radio frequency identification book management safety door |
| CN103177276A (en) * | 2013-04-07 | 2013-06-26 | 南京大学 | Cargo positioning method and system based on adaptive adjustment antenna power |
| CN104181502A (en) * | 2014-07-30 | 2014-12-03 | 北京航空航天大学 | Indoor reference positioning method based on RFID technology |
| US9467118B2 (en) * | 2013-10-19 | 2016-10-11 | Liming Zhou | RFID positioning and tracking apparatus and methods |
| CN107730189A (en) * | 2017-11-23 | 2018-02-23 | 北京德鑫泉物联网科技股份有限公司 | RFID intelligent warehouse management systems and management method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009035723A1 (en) * | 2007-09-11 | 2009-03-19 | Rf Controls, Llc | Radio frequency signal acquisition and source location system |
| KR20120057835A (en) * | 2010-11-29 | 2012-06-07 | 한국전자통신연구원 | Apparatus of RFID electronic shelf and method of detecting the location of the tag using the same |
| US8929192B2 (en) * | 2012-01-25 | 2015-01-06 | Nokia Corporation | Method, apparatus, and computer program product for short-range communication based direction finding |
| CN102637945A (en) * | 2012-05-03 | 2012-08-15 | 江苏安智博电子科技有限公司 | RFID (radio frequency identification device) intelligent goods shelf read-write antenna with array structure |
| CN106785331B (en) * | 2016-11-16 | 2019-03-19 | 刘启达 | The intelligent counter system of linear polarization near field antenna applied to gold and jewelry industry |
| CN107153854B (en) * | 2017-04-24 | 2020-02-07 | 南京大学 | Automatic book checking method based on ultrahigh frequency RFID technology |
| CN107679595A (en) * | 2017-10-19 | 2018-02-09 | 宁波亿拍客网络科技有限公司 | A kind of coordinate interrelation management system |
| CN109102042B (en) * | 2018-07-13 | 2021-02-26 | 成都德杉科技有限公司 | Characteristic parameter-based RFID (radio frequency identification) goods positioning management system and method |
-
2018
- 2018-07-13 CN CN201810769086.2A patent/CN108985407B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136824A (en) * | 2011-12-05 | 2013-06-05 | 艾迪讯科技股份有限公司 | Radio frequency identification book management safety door |
| CN103177276A (en) * | 2013-04-07 | 2013-06-26 | 南京大学 | Cargo positioning method and system based on adaptive adjustment antenna power |
| US9467118B2 (en) * | 2013-10-19 | 2016-10-11 | Liming Zhou | RFID positioning and tracking apparatus and methods |
| CN104181502A (en) * | 2014-07-30 | 2014-12-03 | 北京航空航天大学 | Indoor reference positioning method based on RFID technology |
| CN107730189A (en) * | 2017-11-23 | 2018-02-23 | 北京德鑫泉物联网科技股份有限公司 | RFID intelligent warehouse management systems and management method |
Non-Patent Citations (4)
| Title |
|---|
| A method for optimizing the position of passive UHF RFID tags;Zhu Zhi-yuan;《2010 IEEE International Conference on RFID-Technology and Applications》;20100729;92-95 * |
| 基于RFID的室内定位技术研究;李魏峰;《上海交通大学信息科技》;20101230;1-75 * |
| 基于相控阵天线的RFID定位系统的理论分析;李杨阳等;《微波学报》;20141230;第30卷(第6期);81-85 * |
| 相控阵天线测量与校准技术及其误差分析;隆锐;《电子科技大学信息科技》;20171230;1-119 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108985407A (en) | 2018-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108985407B (en) | RFID positioning management system and method based on beam scanning | |
| EP1872344B1 (en) | Smart shelf | |
| CN104318279B (en) | A kind of supermarket's commodity intelligent tagging systems | |
| GB2555889A (en) | Reading rfid tags in defined spatial locations | |
| US20020143635A1 (en) | System and method of managing inventory | |
| CN104992349A (en) | Information collection and analysis system based on RFID technology and implementation method | |
| CN109102042B (en) | Characteristic parameter-based RFID (radio frequency identification) goods positioning management system and method | |
| Nguyen et al. | A dynamic-range-based algorithm for reader-tag collision avoidance deployment in RFID networks | |
| CN111080217A (en) | Warehouse logistics execution system and material in-out warehouse identification method | |
| CN102722944A (en) | Shopping settlement system and method thereof | |
| CN211044310U (en) | Warehouse logistics execution system | |
| JP2007048140A (en) | Shelf tag management apparatus, shelf tag management method and program | |
| US7429912B2 (en) | Method for multi-reading a plurality of IDs | |
| CN202404651U (en) | Shopping settlement system | |
| CN108647756A (en) | A kind of asset management system and method based on RFID tag | |
| CN210955099U (en) | RFID electronic tag reader-writer based on 4G transmission and 4G wireless transmission device | |
| CN108820677A (en) | A kind of intelligence of three-dimensional piler shelf Table storehouse is made an inventory of goods in a warehouse method | |
| Krohn et al. | Collaborative sensing in a retail store using synchronous distributed jam signalling | |
| CN213558484U (en) | Passenger luggage visual auxiliary sorting and error correcting device based on RFID | |
| CN207489060U (en) | A kind of RFID Phase arrays antenna system and refrigerator | |
| CN105550615B (en) | The start stop system and its method of a kind of electronic price label | |
| CN202814528U (en) | Bar code scanning radio frequency identification pricing system | |
| Woods et al. | Maturing open RFID applications will reshape SCM | |
| KR101056504B1 (en) | WHF Passive RFID Label Tag with Equilateral Radiation Pattern | |
| CN107579339B (en) | A kind of spiral near field antenna with group's reading performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |