CN106937252A - A kind of RFID base station units for indoor positioning - Google Patents
A kind of RFID base station units for indoor positioning Download PDFInfo
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- CN106937252A CN106937252A CN201710209801.2A CN201710209801A CN106937252A CN 106937252 A CN106937252 A CN 106937252A CN 201710209801 A CN201710209801 A CN 201710209801A CN 106937252 A CN106937252 A CN 106937252A
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- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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Abstract
The present invention relates to a kind of RFID base station units for indoor positioning, including multiple rfid interrogators and control unit, described control unit controls the multiple rfid interrogator to send request of data respectively respectively so that the RFID in sphere of action carries out response；After the signal that the RFID that the rfid interrogator is received is returned, obtain the data of carrying in the signal and be transferred to described control unit；Described control unit is processed the data of at least two rfid interrogator transmission, is obtained location information and is uploaded onto the server by network.Implement a kind of RFID base station units for indoor positioning of the invention, have the advantages that：Accurate position of the RFID in the RFID base station unit sphere of actions can relatively accurately be determined.
Description
Technical field
The present invention relates to field of radio frequency identification, more specifically to a kind of RFID base station units for indoor positioning.
Background technology
Positioned for personnel or equipment, if necessary on a large scale or field carries out, then in most cases, GPS or north
Bucket system can just be solved well, be the positioning terminal of personnel or the big system of device configuration above-mentioned two, it becomes possible to be realized almost
All positioning that can receive satellite-signal position, and position location is more accurate.But, satellite-signal can not received, defended
The place of star poor signal or location overlap, for example, the space of location overlap is (for example, more in the hall of building or in high building
The individual space for overlapping in height), even if above-mentioned localization method can not then be positioned or positioned reluctantly, effect is also excessively poor.And
Some when, the record of positioning or motion track in the above-mentioned space that can not be positioned is highly desirable to again, in prior art
In, it will usually positioning is realized using other technological means is superimposed in above-mentioned location technology, for example, adding using GPS mobile logical
Believe the GPSONE of base station.But, because the sphere of action of communication base station is than larger, and its directionality is poor, such positioning
An only estimation for Position Approximate.Therefore, in the prior art, in for some specific occasions, for example, in a building
In the hall of thing or the garden of top seal, due to the missing of satellite-signal, more accurate positioning can not be realized.
The content of the invention
The technical problem to be solved in the present invention is, due to gps signal when being positioned indoors for prior art above-mentioned
The defect that can not be relatively accurately positioned for lacking and bringing, there is provided it is a kind of can relatively accurately position indoors one
Plant the RFID base station units for indoor positioning.
The technical solution adopted for the present invention to solve the technical problems is：Construct a kind of RFID base stations for indoor positioning
Unit, including multiple rfid interrogators and control unit, described control unit control the multiple rfid interrogator to distinguish respectively
Send request of data so that the RFID in its sphere of action carries out response；What the rfid interrogator was received
After the signal that RFID is returned, obtain the data of carrying in the signal and be transferred to described control unit；The control
Unit processed is processed the data of at least two rfid interrogator transmission, is obtained location information and is uploaded by network
To server.
Further, the multiple rfid interrogator includes a main rfid interrogator and at least one from RFID read-write
Device；Described control unit causes that the main rfid interrogator operationally sends request of data all the time, and monitors main RFID readings
The return signal whether device receives RFID return is write, is being confirmed to have return signal and is wherein being carried main RFID read-write
During the identity code of device, output control signal so that started working from rfid interrogator described at least one.
Further, described control unit also monitors the RFID received from rfid interrogator of its connection
Return signal, and data content therein is obtained, with the data that the RFID returns to the main rfid interrogator
Content forms location information and uploads to the server together.
Further, described control unit opens described from rfid interrogator one by one, is obtaining one from RFID read-write
After information or data in the return signal that device is received, be not then turned on it is remaining in the RFID base station units, do not open
From rfid interrogator.
Further, each rfid interrogator includes independent antenna, the multiple RFID in a RFID base station unit
The antenna structure of read write line is identical or differs.
Further, the multiple rfid interrogators in a RFID base station unit work in different frequency ranges, using not
With communication protocol, with identity code that is different, knowing for the control unit of the RFID base station units.
Further, described control unit is sent to a letter for rfid interrogator in one RFID of acquirement
Number when, according to its signal intensity, lookup is previously stored in signal intensity form therein, corresponding to the rfid interrogator, obtains
To the corresponding distance value of the signal intensity, and it is added into location data.
Further, be sent to a RFID in the RFID base station units different by described control unit
The data content of rfid interrogator sends the server as a location information.
Further, described control unit and with the control unit connect, by the control unit control
Can be arranged in order to the rfid interrogator different when setting to located space by cable connection between rfid interrogator
On different locus.
Further, described control unit and the multiple rfid interrogator are arranged in same shell, each
Rfid interrogator and its antenna of connection are connected in order to the rfid interrogator different when setting to located space by cable
Antenna can be arranged on different locus.
Implement a kind of RFID base station units for indoor positioning of the invention, have the advantages that：Due to this
RFID base station units have multiple rfid interrogators and control unit, therefore enter the RFID base stations in a RFID
After the sphere of action of unit, the RFID successively to the base station unit in different rfid interrogator return signals (
The effect of multiple rfid interrogators in individual RFID base station units to the electronic tag is that in sequence, thus it returns
Signal is also according to certain order), the identity code and signal by the rfid interrogator of carrying in the return signal are strong
Degree, in the case of in knowing the RFID base station units in advance rfid interrogator or its antenna set location, can relatively be defined
Really determine accurate position of the RFID in the RFID base station unit sphere of actions.Simultaneously for one
For the individual interior space, cover above-mentioned space multiple above-mentioned RFID base station units can be realized as it is more accurate in the space
Positioning.
Brief description of the drawings
Fig. 1 is the structure of the RFID base station units in a kind of RFID base station unit embodiments for indoor positioning of the invention
Schematic diagram；
Fig. 2 be it is a kind of in the embodiment in the case of the wave cover of multiple rfid interrogators of RFID base station units illustrate
Figure.
Specific embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention is further illustrated.
As shown in figure 1, in a kind of RFID base station unit embodiments for indoor positioning of the invention, the RFID base stations
Unit, including multiple rfid interrogators and control unit, described control unit control the multiple rfid interrogator to distinguish respectively
Send request of data so that the RFID in sphere of action carries out response；The RFID that the rfid interrogator is received
After the signal that electronic tag is returned, obtain the data of carrying in return signal and be transferred to described control unit；The control is single
Unit is processed the data of at least two rfid interrogator transmission, is obtained location information and is uploaded to clothes by network
Business device.In the present embodiment, above-mentioned control unit is respectively multiple rfid interrogators and provides power supply or control power on or disconnected
The control signal (referring to single arrow passage of connection control unit and each rfid interrogator in Fig. 1) opened so that each RFID reads
Write device work or do not work；Meanwhile, above-mentioned control unit also passes through one or more single numbers with above-mentioned each rfid interrogator
Connected according to passage, data, instruction for control unit and each rfid interrogator are interacted, in fig. 1 it is shown that control unit
Situation about being connected by single data channel with each rfid interrogator.
In the present embodiment, the multiple rfid interrogators in a RFID base station unit be not it is identical, these
The characteristics of rfid interrogator has respective respectively or effect.Specifically, the multiple rfid interrogator includes a main RFID
Read write line and at least one is from rfid interrogator；In the presence of control unit, above-mentioned main rfid interrogator is operationally all the time
Request of data is sent, and control unit monitors the return signal whether main rfid interrogator receives RFID return,
When confirming to have return signal and wherein carry the identity code of main rfid interrogator, output control signal so that at least
Start working and obtain above-mentioned RFID from rfid interrogator described in one and be sent to the return from rfid interrogator
Signal.And described control unit also monitors the return signal of the RFID received from rfid interrogator of its connection,
And data content therein is obtained, formed together with the data content of the RFID return main rfid interrogator
Location data or location information upload to the server.
In other words, operationally, above-mentioned control unit makes winner RFID send data to above-mentioned RFID base station units first
Request, after the RFID in its sphere of action receives the request, adds the electronic tag in return signal
Identity code；After main rfid interrogator receives the return signal of above-mentioned electronic tag, data therein are obtained, and passed
It is defeated to above-mentioned control unit；After above-mentioned control unit receives the data, learn to go out in the coverage of main rfid interrogator
Show RFID, that is, there are personnel to enter above range, then output control signal so that multiple read-writes from RFID
A start-up operation in device, sends request of data, if above-mentioned RFID (actually carries the electronic tag
Personnel) in the coverage from rfid interrogator, then the RFID will send return signal to it is above-mentioned from RFID
Read write line, similarly, carries the data of setting in the return signal, including the RFID identity code；Should
To above-mentioned control unit, transmission control unit is in said process for the data transfer equally it received from rfid interrogator
To data processed, if it is possible to form location information, then the location information uploaded onto the server；If can not be formed
Above-mentioned location information should be not received by returned data from rfid interrogator within the time period of setting, then show that main RFID reads
Write device discovery RFID not above-mentioned from the range of rfid interrogator, then, it is necessary to start it is next from
Whether rfid interrogator carries out above-mentioned judgement, determine the RFID in the coverage from rfid interrogator.Weight
Multiple said process, receives the RFID and sends return signal until one from rfid interrogator, that is, discovery is covered
Cover the RFID region from rfid interrogator.Above-mentioned is that the control is single from the course of work of rfid interrogator
Unit opens described from rfid interrogator one by one, is obtaining at least one after the information in the signal of rfid interrogator return, no
Be then turned on it is remaining in the RFID base station units, be not yet turned on from rfid interrogator.
In the present embodiment, each rfid interrogator (including main rfid interrogator and from rfid interrogator) includes independent
Antenna, the antenna structure of the multiple rfid interrogators in a RFID base station unit is identical or differs.So, the effect that it reaches
Fruit is that main rfid interrogator covers a scope wider, and other then cover above-mentioned main rfid interrogator from rfid interrogator
Scope be divided into multiple regions, for example, sector, each is covered each by a sector from rfid interrogator.So, it is determined that
After RFID enters sphere of action, its region can be further segmented out, more accurately be positioned.These
Region or the division of sector, are the setting by the structure, aerial position of antenna and realization of debugging.Although for from RFID
For read write line, the overlap of its coverage sector is nearly unavoidable, but due to being worked one by one from rfid interrogator,
So, be also not in the situation of location information contradiction.Conversely, in some cases, the sector of above-mentioned overlap can also be utilized
Further it is accurately positioned.Fig. 2 show it is a kind of in the present embodiment in the case of sector dividing condition, in fig. 2, respectively
The antenna of rfid interrogator is arranged on same position, but its coverage is had nothing in common with each other, and is covering for main RFID labeled as 1
Lid scope, labeled as 2,3 and 4 be the RFID base station units three coverages from rfid interrogator, when these three from
When rfid interrogator works one by one under the control of the control unit, it becomes possible to the RFID of above-mentioned zone 1 will be entered
Position further narrows down to above-mentioned each region from rfid interrogator covering.
In the present embodiment, the multiple rfid interrogators in a RFID base station unit work in different frequency ranges, use
Different communication protocol, with identity code that is different, knowing for the control unit of the RFID base station units.It is a kind of more normal
Setting is, in a RFID base station unit, main rfid interrogator and works in different frequency ranges from rfid interrogator, adopts
With different communication protocol, with identity code that is different, knowing for the control unit of the RFID base station units；And it is multiple
Identical frequency range is then worked in from rfid interrogator, using identical communication protocol, with identical identity code.With it is this
RFID base station units correspondence, identified RFID also has two RFID chips, the two RFID electricity
Subtab chip also works in different frequency ranges, using different communication protocol, with different identity codes, meanwhile, on
State two frequency ranges of RFID chip, agreements also corresponding and right with what above-mentioned master and slave rfid interrogator was used respectively
The chip of Ying Yucong rfid interrogators corresponding to main rfid interrogator chip send return signal before be also it is idle,
And when this corresponds to and sends return signal from the chip of rfid interrogator, the body of the chip is not only included in the return signal
Part identification code, also including the identity code of the chip corresponding to main rfid interrogator.So, when above-mentioned control unit is received
During the return signal data that the chip sends, it becomes possible to judge to be what same RFID sent.It is such to sentence
It is disconnected not only to enable that the RFID base station units exclude the interference of some other electronic tags so that positioning is more accurate, also
The control unit is enabled to put together the data that a RFID sends so that described control unit is by one
The data content that RFID is sent to different rfid interrogators in the RFID base station units is sent out as a location information
The server is sent, is that the server further processes above-mentioned location information and lays the first stone.
In above process, the position of RFID can relatively accurately be distinguished by the division of sector
Out.But in actual use, such division is possible or inadequate.Since for a read write line, its covering
The air line distance of scope may have several meters to tens of meters of air line distance, and to be not added with differentiation to such distance be not actually used
Reality.In order to realize more accurate positioning, described control unit is sent to one in one RFID of acquirement
During the signal of rfid interrogator, according to its signal intensity, lookup is previously stored in letter therein, corresponding to the rfid interrogator
Number intensity tables, obtain the corresponding distance value of the signal intensity, and be added into location data.Due to the electricity of RFID for using
Subtab is to know in advance, and the intensity of its sending signal is also to know in advance, therefore, in the present embodiment, can be directed to
Different RFID (including different chips, antenna structure etc. in electronic tag), obtain its transmission range with it is corresponding
The return signal intensity that receives of rfid interrogator between relation, although such relation is not very accurate, for
For the division of the present embodiment cathetus distance, it is already possible to which the above-mentioned sector from rfid interrogator covering is divided into multiple areas
Domain, for example, 10 regions so that its positioning precision can reach 1 meter or so.Therefore, in the present embodiment, above-mentioned control unit
In store relation data between above-mentioned signal intensity and distance, read write line judges its signal when return signal is received
Intensity, and the data content of the signal intensity and return signal is sent collectively to control unit, control unit tables look-up this
Air line distance is simultaneously added in above-mentioned location information, is sent to above-mentioned server.In the present embodiment, main rfid interrogator and from
Rfid interrogator can be carried out the judgement of above-mentioned signal intensity and obtain data, and so, control unit can be to these distances
Data are processed, for example, averaging, so can more precisely obtain range data.
Additionally, in fig. 2 it is shown that be that rfid interrogator antenna in the RFID base station units is arranged at same position
Situation, such case most common setting in the located space of rule is to set multiple on the center of located space
Such RFID base station units, each base station unit is respectively facing different directions, and then causes above-mentioned multiple RFID base stations list
The whole space for needing to position of unit's covering.But, due to the complexity of located space, in the present embodiment, it is also possible to such
Setting can not meet needs, and need to be arranged on the antenna of multiple rfid interrogators of same RFID base station units different
On position.Therefore, in the present embodiment, under certain situation, described control unit and connected with the control unit, by this
Read in order to the RFID different when setting to located space by cable connection between the rfid interrogator of control unit control
Writing device can be arranged on different locus.Described control unit and the multiple rfid interrogator can also be arranged on
In same shell, the antenna of each rfid interrogator and its connection is connected in order to when setting to located space by cable
Different rfid interrogator antennas can be arranged on different locus.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of RFID base station units for indoor positioning, it is characterised in that including multiple rfid interrogators and control unit,
Described control unit controls the multiple rfid interrogator to send request of data respectively respectively so that the RFID in its sphere of action
Electronic tag carries out response；After the signal that the RFID that the rfid interrogator is received is returned, the signal is obtained
The data of middle carrying are simultaneously transferred to described control unit；Described control unit at least two the rfid interrogator transmission
Data are processed, and are obtained location information and are uploaded onto the server by network.
2. RFID base station units for indoor positioning according to claim 1, it is characterised in that the multiple RFID reads
Device is write including a main rfid interrogator and at least one from rfid interrogator；Described control unit causes the main RFID read-write
Device operationally sends request of data all the time, and monitors the return whether main rfid interrogator receives RFID return
Signal, when confirming to have return signal and wherein carry the identity code of main rfid interrogator, output control signal so that
Started working from rfid interrogator described at least one.
3. RFID base station units for indoor positioning according to claim 2, it is characterised in that described control unit is also
The return signal of the RFID received from rfid interrogator of its connection is monitored, and obtains data content therein,
Location information is formed together with the data content for returning to the main rfid interrogator with the RFID upload to the clothes
Business device.
4. RFID base station units for indoor positioning according to claim 3, it is characterised in that described control unit by
One opens described from rfid interrogator, is obtaining one after the information in the return signal that rfid interrogator is received, no longer
Continue on remaining from rfid interrogator in the RFID base station units.
5. RFID base station units for indoor positioning according to claim 4, it is characterised in that each rfid interrogator
Including independent antenna, the antenna structure of the multiple rfid interrogators in a RFID base station unit is identical or differs.
6. RFID base station units for indoor positioning according to claim 5, it is characterised in that a RFID base stations list
Multiple rfid interrogators in unit work in different frequency ranges, using different communication protocol, with it is different, be the RFID bases
The identity code that the control unit of unit of standing is known.
7. RFID base station units for indoor positioning according to claim 6, it is characterised in that described control unit exists
When obtaining RFID and being sent to the signal of rfid interrogator, according to its signal intensity, lookup is previously stored
Wherein, signal intensity form corresponding to the rfid interrogator, obtain the corresponding distance value of the signal intensity, and added
In entering location data.
8. RFID base station units for indoor positioning according to claim 7, it is characterised in that described control unit will
The data content that one RFID is sent to different rfid interrogators in the RFID base station units is believed as a positioning
Breath sends the server.
9. RFID base station units for indoor positioning according to claim 8, it is characterised in that described control unit with
And and the control unit connection, by the control unit control rfid interrogator between by cable connection in order to set
Different rfid interrogators can be arranged on different locus when putting located space.
10. RFID base station units for indoor positioning according to claim 8, it is characterised in that described control unit
It is arranged in same shell with the multiple rfid interrogator, the antenna of each rfid interrogator and its connection is connected by cable
Connecing can be arranged on different locus in order to the rfid interrogator antenna different when setting to located space.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109121077A (en) * | 2018-08-06 | 2019-01-01 | 刘丽 | A kind of the bluetooth work system and its working method in garage |
| CN109714821A (en) * | 2017-10-23 | 2019-05-03 | 深圳市优必选科技有限公司 | The selection method and device of wireless location ranging base station |
| CN110858952A (en) * | 2018-08-22 | 2020-03-03 | 阿里巴巴集团控股有限公司 | Positioning method, positioning base station, server and management system of electronic tag assembly |
| CN113299110A (en) * | 2021-05-12 | 2021-08-24 | 中国联合网络通信集团有限公司 | Parking lot vehicle query method and system |
| CN113596733A (en) * | 2021-06-02 | 2021-11-02 | 柒贰零（北京）健康科技有限公司 | System based on RFID base station location |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050021561A1 (en) * | 2003-07-22 | 2005-01-27 | International Business Machines Corporation | System & method of updating planogram information using RFID tags and personal shopping device |
| CN1797025A (en) * | 2004-12-22 | 2006-07-05 | 华为技术有限公司 | Method and system for wireless localization |
| CN101118588A (en) * | 2006-08-03 | 2008-02-06 | 西门子（中国）有限公司 | RFID reader and system, method and applied system thereof |
| US20100321736A1 (en) * | 2009-06-23 | 2010-12-23 | Toshimi Yokota | Rfid registration system and method thereof |
| CN102622564A (en) * | 2012-02-24 | 2012-08-01 | 上海海事大学 | Anti-collision method for identifying multiple radio frequency identification (RFID) tabs |
| CN204129215U (en) * | 2014-10-28 | 2015-01-28 | 西南交通大学 | Active radio frequency identification indoor locating system |
| CN104463285A (en) * | 2014-12-26 | 2015-03-25 | 苏州众天力信息科技有限公司 | Passenger flow analysis system based on RFID |
| CN105704814A (en) * | 2016-03-24 | 2016-06-22 | 上海维聚网络科技有限公司 | Wireless scene equipment and wireless positioning method |
-
2017
- 2017-03-31 CN CN201710209801.2A patent/CN106937252B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050021561A1 (en) * | 2003-07-22 | 2005-01-27 | International Business Machines Corporation | System & method of updating planogram information using RFID tags and personal shopping device |
| CN1797025A (en) * | 2004-12-22 | 2006-07-05 | 华为技术有限公司 | Method and system for wireless localization |
| CN101118588A (en) * | 2006-08-03 | 2008-02-06 | 西门子（中国）有限公司 | RFID reader and system, method and applied system thereof |
| US20100321736A1 (en) * | 2009-06-23 | 2010-12-23 | Toshimi Yokota | Rfid registration system and method thereof |
| CN102622564A (en) * | 2012-02-24 | 2012-08-01 | 上海海事大学 | Anti-collision method for identifying multiple radio frequency identification (RFID) tabs |
| CN204129215U (en) * | 2014-10-28 | 2015-01-28 | 西南交通大学 | Active radio frequency identification indoor locating system |
| CN104463285A (en) * | 2014-12-26 | 2015-03-25 | 苏州众天力信息科技有限公司 | Passenger flow analysis system based on RFID |
| CN105704814A (en) * | 2016-03-24 | 2016-06-22 | 上海维聚网络科技有限公司 | Wireless scene equipment and wireless positioning method |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714821A (en) * | 2017-10-23 | 2019-05-03 | 深圳市优必选科技有限公司 | The selection method and device of wireless location ranging base station |
| CN109714821B (en) * | 2017-10-23 | 2020-09-29 | 深圳市优必选科技有限公司 | Method and device for selecting wireless positioning and ranging base station |
| CN109121077A (en) * | 2018-08-06 | 2019-01-01 | 刘丽 | A kind of the bluetooth work system and its working method in garage |
| CN109121077B (en) * | 2018-08-06 | 2020-09-29 | 刘丽 | Bluetooth work system of garage and work method thereof |
| CN110858952A (en) * | 2018-08-22 | 2020-03-03 | 阿里巴巴集团控股有限公司 | Positioning method, positioning base station, server and management system of electronic tag assembly |
| CN110858952B (en) * | 2018-08-22 | 2021-07-30 | 阿里巴巴集团控股有限公司 | Positioning method, positioning base station, server and management system of electronic tag assembly |
| CN113299110A (en) * | 2021-05-12 | 2021-08-24 | 中国联合网络通信集团有限公司 | Parking lot vehicle query method and system |
| CN113596733A (en) * | 2021-06-02 | 2021-11-02 | 柒贰零（北京）健康科技有限公司 | System based on RFID base station location |
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