CN109031191A - Area positioning method, system and device - Google Patents
Area positioning method, system and device Download PDFInfo
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- CN109031191A CN109031191A CN201810665770.6A CN201810665770A CN109031191A CN 109031191 A CN109031191 A CN 109031191A CN 201810665770 A CN201810665770 A CN 201810665770A CN 109031191 A CN109031191 A CN 109031191A
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- Prior art keywords
- rfid information
- rssi value
- rfid
- card reader
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
Abstract
A kind of area positioning method, system and device are provided according to embodiments of the present invention, which includes: multiple card reader and identification label；Multiple card reader are set to different positions to be detected, and identification label is set on object to be positioned or is disposed adjacent with object to be positioned；Wireless radio frequency discrimination RFID module is provided in multiple card reader and identification label；RFID information is carried in identification label；Card reader is used to read the RFID information in identification label, and RFID information is uploaded to server；Server determines the position of object to be positioned based on RFID information.The present invention solve position error when being positioned using the prior art to object to be positioned it is larger or due to positioning block caused by positioning failure the technical issues of.
Description
Technical field
The present invention relates to technical field of RFID, more particularly, to a kind of area positioning method, system and device.
Background technique
Currently known positioning system has GPS (Global Positioning System, global positioning system), GSM
(Global System for Mobile Communication, global system for mobile communications)/3G (3G (Third Generation) Moblie skill
Art) Cellular Networks, WIFI, Bluetooth (bluetooth) etc..Wherein GPS and GSM Cellular Networks can not accomplish determining for 10 meters or less precision
Position, and environment is difficult with indoors, and WIFI, Bluetooth etc. are then easy to be blocked by object, human body etc. and cause to position
The very big even failure of error, is not available in occasions such as warehouse, the supermarkets that the crowd is dense of storage cargo.
In view of the above problems, not proposing effective solution also.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of area positioning method, system and device, to solve existing skill
The technical issues of position error is larger when art positions object or blocks caused positioning failure due to positioning.
A kind of area positioning system is provided according to embodiments of the present invention, the system comprises: multiple card reader and identification
Label；Multiple card reader are set to different positions to be detected, the identification label be set on object to be positioned or
It is disposed adjacent with the object to be positioned；Radio frequency identification is provided in multiple card reader and the identification label
RFID module；RFID information is carried in the identification label, wherein the RFID information includes: RFID module in identification label
Transmission frequency and Target indication value RSSI value, the RSSI value emits the letter of signal by RFID module in the identification label
The indicated value of number intensity；The card reader is used to read the RFID information in the identification label, and will be in the RFID information
Reach server；The server determines the position of the object to be positioned based on the RFID information.
Further, the RFID information of the identification label of belonging difference object to be positioned is not identical.
Further, when the distance between the identification label and the card reader change, the card reader is read
The RSSI value in the RFID information got changes therewith.
Further, the system also includes the servers；The server is also used to according in the RFID information
The RSSI value determine the position of the object to be positioned.
A kind of area positioning method is additionally provided according to embodiments of the present invention, is applied to server, comprising: obtain the area
The RFID information of the identification label of object to be positioned in the area positioning system that card reader in the positioning system of domain is read；
RFID information is carried in the identification label, wherein the RFID information includes: to identify the transmission frequency of RFID module in label
With Target indication value RSSI value, the RSSI value is emitted the finger of the signal strength of signal by RFID module in the identification label
Indicating value；The position of the object to be positioned is determined based on the RFID information.
It further, include multiple card reader in the area positioning system；Obtain the reading in the area positioning system
In the area positioning system that card device is read the RFID information of the identification label of object to be positioned include: obtain it is the multiple
The RFID information for the identification label that card reader was read at the first moment, obtains the first RFID information group, wherein described
It include the RFID information that each card reader is read in one RFID information group；And the multiple card reader is obtained at the second moment
The RFID information of the identification label read obtains the second RFID information group, wherein wraps in the second RFID information group
Include the RFID information that each card reader is read, wherein the object to be positioned position locating for the first moment and the second moment
Set difference；Based on the RFID information determine the object to be positioned position include: based on the first RFID information group and
The second RFID information group determines the position of the object to be positioned.
Further, the object to be positioned is determined based on the first RFID information group and the second RFID information group
Position include: based on including in the first RFID information group in the multiple RSSI values and the second RFID information group for including
Multiple RSSI values determine the position of the object to be positioned.
It further, include the first RSSI value and the second RSSI value, the 2nd RFID in the first RFID information group
It include third RSSI value and the 4th RSSI value in information group；Based on multiple RSSI values for including in the first RFID information group and
The multiple RSSI values for including in the second RFID information group determine that the position of the object to be positioned includes: to calculate described first
Difference between RSSI value and second RSSI value, obtains first object RSSI value；Calculate the third RSSI value with it is described
Difference between 4th RSSI value obtains the second target RSSI value；Based on the first object RSSI value and second target
RSSI value determines the position of the object to be positioned.
Further, the object to be positioned is determined based on the first object RSSI value and the second target RSSI value
If position include: the first object RSSI value be greater than default value, and the second target RSSI value be less than it is described pre-
If numerical value, it is determined that the object to be positioned is located at the second position to be monitored；If the first object RSSI value is less than described
Default value, and the second target RSSI value be greater than the default value, it is determined that the object to be positioned be located at first to
Monitor position；If the first object RSSI value is equal to the default value, and the second target RSSI value is equal to described
Default value, it is determined that the object to be positioned is located at the centre of the described first position to be monitored and second position to be monitored
Position；Wherein, the described first position to be monitored is the position read where the card reader of first RSSI value, described second
Position to be monitored is the position read where the card reader of second RSSI value.
A kind of regional positioning device is additionally provided according to embodiments of the present invention, is set to server, comprising: acquiring unit,
For obtaining the identification of object to be positioned in the area positioning system that the card reader in the area positioning system is read
The RFID information of label；RFID information is carried in the identification label, wherein the RFID information includes: in identification label
The transmission frequency and Target indication value RSSI value of RFID module, the RSSI value are emitted by RFID module in the identification label
The indicated value of the signal strength of signal；Determination unit, for determining the position of the object to be positioned based on the RFID information.
Compared to existing technical solution, area positioning method, system and device provided by the present invention are known using radio frequency
Other RFID technique, can operate at various environment, solves to position when positioning object to be positioned using the prior art and miss
The technical issues of difference is larger or blocks caused positioning failure due to positioning, reliability is higher, and it is more convenient to operate.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the area positioning system provided according to embodiments of the present invention；
Fig. 2 is a kind of flow chart of the area positioning method based on RFID provided according to embodiments of the present invention；
Fig. 3 is that a kind of area positioning method of the utilization based on RFID provided according to embodiments of the present invention judges access door
Schematic diagram；
Fig. 4 is a kind of schematic diagram of the regional positioning device based on RFID provided according to embodiments of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment one:
Fig. 1 is a kind of structural schematic diagram of the area positioning system provided according to embodiments of the present invention.As shown in Figure 1, should
Area positioning system includes: multiple card reader 100 and identification label 200.
Specifically, multiple card reader are set to different positions to be detected, identification label be set on object to be positioned or
Person is disposed adjacent with object to be positioned；Wireless radio frequency discrimination RFID module is provided in multiple card reader and identification label.
Specifically, it identifies in label and carries RFID information, wherein RFID information includes: RFID module in identification label
Frequency and Target indication value RSSI value are sent, RSSI value is the finger for identifying the signal strength of the emitted signal of RFID module in label
Indicating value；Card reader is used to read the RFID information in identification label, and RFID information is uploaded to server；Server is used for base
The position of object to be positioned is determined in RFID information.
In the area positioning system provided by the embodiment of the present invention, including multiple card reader and identification label；Multiple readings
Card device is set to different positions to be detected, and identification label is set on object to be positioned or adjacent with object to be positioned sets
It sets；Wireless radio frequency discrimination RFID module is provided in multiple card reader and identification label；RFID information is carried in identification label；
Card reader is used to read the RFID information in identification label, and RFID information is uploaded to server；Server is believed based on RFID
Breath determines the position of object to be positioned.
Compared to existing technical solution, area positioning system provided by the present invention, the zone location side based on RFID
Method and device can operate at various environment, solved using the prior art to be positioned right by radio frequency discrimination RFID technology
The technical issues of position error is larger when as being positioned or blocks caused positioning failure due to positioning, reliability is higher, behaviour
It is more convenient to make.
In embodiments of the present invention, identification label is set on object to be positioned or is disposed adjacent with object to be positioned,
Specifically, RFID technique as used in the present invention is active RFID technology, therefore identifies and have independent current source in label,
Different from passive RFID technology, the identification label with independent current source actively can emit signal to card reader.Work as identification
It is when label is set on article, i.e., above-mentioned to be set on object to be positioned；When identify label be carried when, i.e., it is above-mentioned with it is to be positioned
Object is disposed adjacent.
In an optional embodiment, the RFID information not phase of the identification label of belonging difference object to be positioned
Together.
As can be seen from the above description, in the present embodiment, the RFID information in identification label is read by card reader, and will
RFID information is uploaded to server；So that server obtains the RFID letter of the identification label for the object to be positioned that card reader is read
It ceases, and determines the position of the object to be positioned based on RFID information.
In an optional embodiment, server obtains the identification label for the object to be positioned that card reader is read
RFID information includes: to obtain the RFID information for the identification label that the multiple card reader was read at the first moment, is obtained
First RFID information group, wherein include the RFID information that each card reader is read in the first RFID information group；And it obtains
The RFID information for the identification label for taking the multiple card reader to read at the second moment, obtains the second RFID information group,
Wherein, the RFID information read in the second RFID information group including each card reader, wherein the object to be positioned exists
The location of first moment and the second moment are different.
In an optional embodiment, server determines the position of the object to be positioned based on the RFID information
It include: the position that the object to be positioned is determined based on the first RFID information group and the second RFID information group.
Optionally, server is determined described to be positioned based on the first RFID information group and the second RFID information group
The position of object includes: based in the multiple RSSI values and the second RFID information group for including in the first RFID information group
The multiple RSSI values for including determine the position of the object to be positioned.
Optionally, if in the first RFID information group including the first RSSI value and the second RSSI value, and the second RFID information
It include third RSSI value and the 4th RSSI value in group；So server is multiple based on include in the first RFID information group
The multiple RSSI values for including in RSSI value and the second RFID information group determine that the position of the object to be positioned includes:
The difference between first RSSI value and second RSSI value is calculated, first object RSSI value is obtained；It calculates
Difference between the third RSSI value and the 4th RSSI value obtains the second target RSSI value；Based on the first object
RSSI value and the second target RSSI value determine the position of the object to be positioned.
Further, server is determined described undetermined based on the first object RSSI value and the second target RSSI value
The position of position object includes:
If the first object RSSI value is greater than default value, and the second target RSSI value is less than the present count
Value, it is determined that the object to be positioned is located at the second position to be monitored；If the first object RSSI value is less than described default
Numerical value, and the second target RSSI value is greater than the default value, it is determined that it is to be monitored that the object to be positioned is located at first
Position；If the first object RSSI value is equal to the default value, and the second target RSSI value is equal to described preset
Numerical value, it is determined that the object to be positioned is located at the interposition of the described first position to be monitored and second position to be monitored
It sets；Wherein, the described first position to be monitored is the position read where the card reader of first RSSI value, described second to
Monitoring position is the position read where the card reader of second RSSI value.
In embodiments of the present invention, identify that the RFID information of label is not identical corresponding to different objects to be positioned, often
There is it to fix the transmission frequency of RFID module in RFID information entrained by a identification label, entrained by different identification labels
The transmission frequency of RFID module be different.
In another optional embodiment, when identifying that the distance between label and card reader change, card reading
The RSSI value in RFID information that device is read changes therewith.
In embodiments of the present invention, identify that the RSSI value in RFID information entrained in label is with the identification label
The variation of the distance between card reader and change.When object to be positioned is subjected to displacement, correspondingly, what card reader was read
RSSI value in the identification label of the object to be positioned can also change, and the variation based on RSSI value can determine the positioning pair
The position of elephant.
Optionally, as shown in Figure 1, the area positioning system further include: server 300；Server 300 is also used to basis
RSSI value in RFID information determines the position of object to be positioned.
Specifically, when object to be positioned is subjected to displacement, the card reader that server is got read this is to be positioned right
RSSI value in the RFID information of elephant can also change, for example, the same card reader that server is got is read in adjacent moment
The RSSI value for the object to be positioned got is to increase, then shows that the object to be positioned is mobile close to the card reader, specifically, also
The detail location of the object to be positioned can be determined according to the corresponding relationship of preset RSSI value size and card reader distance.
Compared to existing technical solution, area positioning system provided by the present invention can operate at various environment, solution
Position error when being positioned using the prior art to object to be positioned of having determined is larger or since caused positioning mistake is blocked in positioning
The technical problem of spirit, reliability is higher, and it is more convenient to operate.
Embodiment two:
Fig. 2 is a kind of flow chart of the area positioning method provided according to embodiments of the present invention, which answers
For server, as shown in Fig. 2, this method comprises the following steps:
Step S201 obtains object to be positioned in the area positioning system that reads of card reader in area positioning system
Identify the RFID information of label；RFID information is carried in identification label, wherein RFID information includes: RFID mould in identification label
The transmission frequency and Target indication value RSSI value of block, RSSI value for identification label in the emitted signal of RFID module signal strength
Indicated value；
Step S202 determines the position of object to be positioned based on RFID information.
In embodiments of the present invention, the identification label of object to be positioned carries RFID information, wherein different objects to be positioned
The transmission frequency of RFID module in the RFID information of the identification label of body is different.In addition, when identification label and card reader
The distance between when changing, the RSSI value in RFID information that card reader is read can change therewith.
In embodiments of the present invention, RSSI (Received Signal Strength Indication) refers to receiving
Signal strength instruction, it be it is a kind of signaling point is measured at a distance from receiving point by the signal strength or weakness that receives, and then basis
A kind of location technology of corresponding data progress location Calculation.The present invention is read in the identification label of object to be positioned by card reader
RFID information in RSSI value variation, and then the position of object to be positioned is further determined that according to the variation of RSSI value.
It include in example 1 multiple card readings in described area positioning system in an optional embodiment
In the case where device, step S201 is obtained to be positioned in the area positioning system that the card reader in institute's area positioning system is read
The RFID information of the identification label of object specifically includes:
Step S2011 obtains the RFID information for identifying label that multiple card reader are read at the first moment, obtains first
RFID information group, wherein include the RFID information that each card reader is read in the first RFID information group；
Step S2012 obtains the RFID information for identifying label that multiple card reader are read at the second moment, obtains second
RFID information group, wherein include the RFID information that each card reader is read in the second RFID information group, wherein to be positioned right
As different at the location of the first moment and the second moment.
According to above-mentioned steps S2011 and step S2012 get the first RFID information group and the second RFID information group it
Afterwards, so that it may the position of object to be positioned is determined based on the first RFID information group and the second RFID information group.
It in embodiments of the present invention, may include multiple card reader in area positioning system described in embodiment one,
When object to be positioned is subjected to displacement, since distance is changed, thus the RSSI of the object to be positioned of card reader reading
Value also can be different.And the variation of the RSSI value of the same object to be positioned read according to different card reader in different moments,
It can clearly determine the specific location of the object to be positioned.Specifically, multiple card reader read identification at the first moment
The RFID information of label obtains the first RFID information group, the RFID for identifying label that multiple card reader are read at the second moment
Information, obtains the second RFID information group, and the first moment and the second moment position of the object to be positioned are changed.
Specifically, the multiple RSSI values for including in the first RFID information group, include in the second RFID information group is multiple
RSSI value, for example, work as 2 RSSI values for including in the first RFID information group, 2 RSSI values for including in the second RFID information group
When, that is, include the first RSSI value and the second RSSI value in the first RFID information group, includes the 3rd RSSI in the second RFID information group
When value and four RSSI values, the multiple RSSI values and second for including in the first RFID information group can be passed through based on following steps
The multiple RSSI values for including in RFID information group determine the position of object to be positioned:
Step S1, calculate difference between the first RSSI value and the second RSSI value, obtain first object RSSI value；
Step S2 calculates the difference between third RSSI value and the 4th RSSI value, obtains the second target RSSI value；
Step S3 determines the position of object to be positioned based on first object RSSI value and the second target RSSI value.
Optionally, step S3 determines the position of object to be positioned based on first object RSSI value and the second target RSSI value
Include:
If first object RSSI value is greater than default value, and the second target RSSI value is less than default value, it is determined that
Positioning object is located at the second position to be monitored；
If first object RSSI value is less than default value, and the second target RSSI value is greater than default value, it is determined that
Positioning object is located at the first position to be monitored；
If first object RSSI value is equal to default value, and the second target RSSI value is equal to default value, it is determined that
Positioning object is located at the middle position of the first position to be monitored and the second position to be monitored；
Wherein, the first position to be monitored is the position read where the card reader of the first RSSI value, the second position to be monitored
It is set to the position where the card reader for reading the second RSSI value.
Specific introduction to the above-mentioned area positioning method based on RFID is done with a specific embodiment below.
Fig. 3 is area positioning method described in a kind of above-described embodiment for providing according to embodiments of the present invention to judge
The structural schematic diagram of user's access door.
As shown in figure 3, user's (that is, above-mentioned object to be positioned) carries identification label, which can be following
Any one: IC card, ID card, radio-frequency card, contactless card.Door side is provided with card reader No.1, is provided with reading on an electric pole outdoors
Card device two, card reader No.1 is connected with card reader two respectively at server.When user gos out, server gets reading
Card device No.1 and card reader two read information entrained by the identification label of user simultaneously, wherein card reader No.1 is read
The first RSSI value and card reader two the second RSSI values read, that is, above-mentioned multiple card reader are read at the first moment
Identification label RFID information, obtain the first RFID information group；When user is moved to outdoors, server gets reading again
Card device No.1 and card reader two read information entrained by the identification label of user simultaneously, wherein card reader No.1 is read
Third RSSI value and card reader two the 4th RSSI values read, that is, above-mentioned multiple card reader are read at the second moment
Identification label RFID information, obtain the second RFID information group.
Server is getting the first RSSI value, the second RSSI value, after third RSSI value and the 4th RSSI value, counts respectively
The difference between the difference and third RSSI value and the 4th RSSI value between the first RSSI value and the value of the second RSSI value is calculated,
It is i.e. above-mentioned that first object RSSI value and the second target RSSI value is calculated.If first object RSSI value is greater than 0 (that is, above-mentioned
Default value), and the second target RSSI value less than 0, i.e. the first RSSI value is greater than the second RSSI value, and third RSSI value is less than the 4th
RSSI value then proves that the distance of the user distance card reader No.1 is more and more remoter, more and more closer apart from No. two distances of card reader,
I.e. user executes movement of going out.Similarly, if first object RSSI value is less than 0, and the second target RSSI value is greater than 0, then proves
User executes movement of entering.If first object RSSI value is equal to 0, and the second target RSSI value is equal to 0, then proves that the user exists
Position between card reader No.1 and card reader two, is not moved.
It should be noted that the position of RSSI value size and user distance card reader can be set in the server in advance
Corresponding relationship can obtain the more specific location information of user according to the size for the RSSI value that card reader is read.
The above-mentioned area positioning method based on RFID illustrated with another specific embodiment below.
In embodiments of the present invention, if every first floor in a solitary building is provided with a card reader, and it is each
Card reader is connected with server, when server gets the user's for carrying identification label that certain card reader is read
When RFID information, the position that server can judge the user according to the RFID information got is realized in which floor
The specific location of object to be positioned is determined using the area positioning method based on RFID.
Compared to existing technical solution, the area positioning method provided by the present invention based on RFID passes through radio frequency identification
RFID technique can operate at various environment, solve position error when positioning using the prior art to object to be positioned
It is larger or due to positioning block caused by positioning failure the technical issues of, reliability is higher, operate it is more convenient.
Embodiment three:
A kind of regional positioning device based on RFID is additionally provided according to embodiments of the present invention, which is set to service
Device, for executing the area positioning method provided by above content of the embodiment of the present invention based on RFID, below to of the invention real
The regional positioning device based on RFID for applying example offer does specific introduction.
Fig. 4 is a kind of schematic diagram of the regional positioning device based on RFID provided according to embodiments of the present invention, such as Fig. 4 institute
Show, be somebody's turn to do the regional positioning device based on RFID and specifically include that acquiring unit 10, determination unit 20, in which:
Acquiring unit 10, it is to be positioned in the area positioning system that the card reader for obtaining in area positioning system is read
The RFID information of the identification label of object；RFID information is carried in identification label, wherein RFID information includes: in identification label
The transmission frequency and Target indication value RSSI value of RFID module, RSSI value for identification label in the emitted signal of RFID module letter
The indicated value of number intensity；
Determination unit 20, for determining the position of object to be positioned based on RFID information.
It optionally, include multiple card reader in area positioning system.
Optionally, acquiring unit 10 includes:
First obtains module, the RFID information for identifying label read for obtaining multiple card reader at the first moment,
Obtain the first RFID information group, wherein include the RFID information that each card reader is read in the first RFID information group；
Second obtains module, the RFID information for identifying label read for obtaining multiple card reader at the second moment,
Obtain the second RFID information group, wherein include the RFID information that each card reader is read in the second RFID information group, wherein
Object to be positioned is different at the location of the first moment and the second moment.
Optionally it is determined that unit 20 comprises determining that module, for being based on the first RFID information group and the second RFID information group
Determine the position of object to be positioned.
Specifically, it is determined that module comprises determining that equipment, for based on the multiple RSSI values for including in the first RFID information group
The position of object to be positioned is determined with the multiple RSSI values for including in the second RFID information group.
Optionally, include the first RSSI value and the second RSSI value in the first RFID information group, wrapped in the second RFID information group
RSSI value containing third and the 4th RSSI value.
Specifically, it is determined that equipment includes:
First calculator obtains first object RSSI for calculating the difference between the first RSSI value and the second RSSI value
Value；
Second calculator obtains the second target RSSI for calculating the difference between third RSSI value and the 4th RSSI value
Value；
Position determiner, for determining the position of object to be positioned based on first object RSSI value and the second target RSSI value
It sets.
Optionally, if position determiner includes: that first object RSSI value is greater than default value, and the second target RSSI value
Less than default value, it is determined that object to be positioned is located at the second position to be monitored；If first object RSSI value is less than present count
Value, and the second target RSSI value is greater than default value, it is determined that object to be positioned is located at the first position to be monitored；If the first mesh
Mark RSSI value be equal to default value, and the second target RSSI value be equal to default value, it is determined that object to be positioned be located at first to
Monitor the middle position of position and the second position to be monitored；Wherein, the first position to be monitored is the reading for reading the first RSSI value
Position where card device, the second position to be monitored are the position read where the card reader of the second RSSI value.
Unless specifically stated otherwise, the opposite step of the component and step that otherwise illustrate in these embodiments, digital table
It is not limit the scope of the invention up to formula and numerical value.
The technical effect and preceding method embodiment phase of device provided by the embodiment of the present invention, realization principle and generation
Together, to briefly describe, Installation practice part does not refer to place, can refer to corresponding contents in preceding method embodiment.
Area positioning method provided in an embodiment of the present invention based on RFID, with provided by the above embodiment based on RFID's
Regional positioning device technical characteristic having the same reaches identical technical effect so also can solve identical technical problem.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of area positioning system, which is characterized in that the system comprises: multiple card reader and identification label；It is multiple described
Card reader is set to different positions to be detected, the identification label be set on object to be positioned or with it is described to be positioned right
As being disposed adjacent；Wireless radio frequency discrimination RFID module is provided in multiple card reader and the identification label；
RFID information is carried in the identification label, wherein the RFID information includes: to identify the transmission of RFID module in label
Frequency and Target indication value RSSI value, the RSSI value are emitted the signal strength of signal by RFID module in the identification label
Indicated value；
The card reader is used to read the RFID information in the identification label, and the RFID information is uploaded to server；
The server determines the position of the object to be positioned based on the RFID information.
2. system according to claim 1, which is characterized in that the RFID of the identification label of belonging difference object to be positioned
Information is not identical.
3. system according to claim 1, which is characterized in that when the distance between the identification label and the card reader
When changing, the RSSI value in the RFID information that the card reader is read changes therewith.
4. system according to claim 1, which is characterized in that the system also includes: the server；The server
It is also used to determine the position of the object to be positioned according to the RSSI value in the RFID information.
5. a kind of area positioning method, which is characterized in that be applied to server, comprising:
Obtain the identification of object to be positioned in the area positioning system that the card reader in the area positioning system is read
The RFID information of label；RFID information is carried in the identification label, wherein the RFID information includes: in identification label
The transmission frequency and Target indication value RSSI value of RFID module, the RSSI value are emitted by RFID module in the identification label
The indicated value of the signal strength of signal；
The position of the object to be positioned is determined based on the RFID information.
6. according to the method described in claim 5, it is characterized in that, including multiple card reader in the area positioning system；
Obtain the identification of object to be positioned in the area positioning system that the card reader in the area positioning system is read
The RFID information of label includes: the RFID letter for obtaining the identification label that the multiple card reader was read at the first moment
Breath, obtains the first RFID information group, wherein includes the RFID letter that each card reader is read in the first RFID information group
Breath；And the RFID information for the identification label that the multiple card reader was read at the second moment is obtained, obtain second
RFID information group, wherein include the RFID information that each card reader is read in the second RFID information group, wherein described
Object to be positioned is different at the location of the first moment and the second moment；
The position that the object to be positioned is determined based on the RFID information includes: based on the first RFID information group and described
Second RFID information group determines the position of the object to be positioned.
7. according to the method described in claim 6, it is characterized in that, being based on the first RFID information group and the 2nd RFID
Information group determines that the position of the object to be positioned includes:
It is multiple based on include in the multiple RSSI values and the second RFID information group for including in the first RFID information group
RSSI value determines the position of the object to be positioned.
8. the method according to the description of claim 7 is characterized in that in the first RFID information group comprising the first RSSI value and
Second RSSI value includes third RSSI value and the 4th RSSI value in the second RFID information group；
It is multiple based on include in the multiple RSSI values and the second RFID information group for including in the first RFID information group
RSSI value determines that the position of the object to be positioned includes:
The difference between first RSSI value and second RSSI value is calculated, first object RSSI value is obtained；
The difference between the third RSSI value and the 4th RSSI value is calculated, the second target RSSI value is obtained；
The position of the object to be positioned is determined based on the first object RSSI value and the second target RSSI value.
9. according to the method described in claim 8, it is characterized in that, being based on the first object RSSI value and second target
RSSI value determines that the position of the object to be positioned includes:
If the first object RSSI value is greater than default value, and the second target RSSI value is less than the default value,
Then determine that the object to be positioned is located at the second position to be monitored；
If the first object RSSI value is less than the default value, and the second target RSSI value is greater than the present count
Value, it is determined that the object to be positioned is located at the first position to be monitored；
If the first object RSSI value is equal to the default value, and the second target RSSI value is equal to the present count
Value, it is determined that the object to be positioned is located at the middle position of the described first position to be monitored and second position to be monitored；
Wherein, the described first position to be monitored is the position read where the card reader of first RSSI value, described second
Position to be monitored is the position read where the card reader of second RSSI value.
10. a kind of regional positioning device, which is characterized in that be set to server, comprising:
Acquiring unit, it is undetermined in the area positioning system that the card reader in the area positioning system is read for obtaining
The RFID information of the identification label of position object；RFID information is carried in the identification label, wherein the RFID information includes:
Identify that the transmission frequency and Target indication value RSSI value of RFID module in label, the RSSI value are RFID in the identification label
The indicated value of the signal strength of the emitted signal of module；
Determination unit, for determining the position of the object to be positioned based on the RFID information.
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| CN201810665770.6A CN109031191A (en) | 2018-06-25 | 2018-06-25 | Area positioning method, system and device |
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