CN104504422B - Smart electronicses bin tag system and its application process based on visible light communication - Google Patents
Smart electronicses bin tag system and its application process based on visible light communication Download PDFInfo
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- CN104504422B CN104504422B CN201410823073.0A CN201410823073A CN104504422B CN 104504422 B CN104504422 B CN 104504422B CN 201410823073 A CN201410823073 A CN 201410823073A CN 104504422 B CN104504422 B CN 104504422B
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Abstract
The present invention relates to the smart electronicses bin tag system based on visible light communication and its application process, the system includes server, and it is used to obtain the label information with tag ID, and sends the label information according to tag ID；Transmitter, it is used for after being communicated with server foundation, and the reception server sends the label information with tag ID, and the label information is converted into corresponding visible light signal, and sends the visible light signal；Receiver, it is used for the visible light signal for receiving transmitter transmission, visible light signal is changed, and generates label information to be shown according to the tag ID, and the label information to be shown is shown.It has preferable antijamming capability to the present invention, so as to ensure the stability and reliability of information transfer.
Description
Technical field
The present invention relates to electronic bin tag system, it is proposed that a kind of smart electronicses shelf label based on visible light communication
A kind of method that the smart electronicses bin tag system based on visible light communication is somebody's turn to do in system and application.
Background technology
Most of market supermarkets (hereinafter referred to as " business surpasses ") still use the shelf label of papery at present, for display and commodity
Related information, and progress commodity information management is coordinated based on bar codes technique and back-end server.The scale surpassed with business
The development of chain operation, the promotion activity such as give a discount is increasingly frequent, merchandise news also increasingly comprehensive and abundant and flexible and changeable, papery
Shelf label and its management system highlight its drawback：
1) making of paper labels needs to fulfil ahead of schedule, and need to spend more printing consumables.For price change more
Frequently commodity (such as fresh meat dish) are, it is necessary to expend substantial amounts of printing and management cost；
2) paper labels are delivered and follow-up maintenance is changed, it is necessary to put into a large amount of manpowers, and can not realize automation
Operation.Especially, large supermarket is more frequent for operations such as information change, price adjustment, the shelf resettlements of commodity, changes dimension
Protect paper labels has turned into an extremely cumbersome job.In addition, in the case where commodity amount is larger, it is artificial to place label
Easily occurs mistake, so as to cause sales volume decline (being such as placed in high price label at low cost goods by mistake) or Transaction Disputes (such as will
Low price label is placed at expensive goods by mistake), increase the additional maintenance cost of supermarket；
3) specification of paper labels depends on tag template, and not only display content is limited, and by the forming label cycle
And the limitation of cost, it is difficult to realize that the flexible content for different commodity customizes to promote sale.
Commodity information management system based on paper goods shelf label turns into an important system of the super administration of large-scale business
About factor, therefore the management system using ESL (Electronic Shelf Label, electronic shelf label) is occurred in that in recent years,
And practiced.Conventional ESL systems can be in background management system by wired or wireless communication mode, by merchandise news
ESL is sent to managing control information, most merchandise news is shown in electronic tag to ESL at last by handling the data received
On, to realize management service and commodity information management to ESL.
Current ESL systems mainly use cable communicating technology, or the short-distance and medium-distance channel radio such as bluetooth, Zigbee, infrared
Letter technology carries out information transfer.The ESL systems transmitted using wire communication, it is necessary to customize shelf and re-started to business is super again
Communication line is transformed, and the normal operation that business surpasses is affected greatly, and improvement cost is not low, is limited using by larger.
Using the ESL systems of traditional wireless communication technology, the implementation costs such as requirement to shelf custom design are reduced, and add
ESL mobility, practices and has obtained preferable improvement.But due to traditional wireless communication technology all exist it is more serious wireless
Interference and radiation problem, security, reliability, less stable.ESL system deployments based on traditional wireless communication technology are implemented
Still complex, signal reliability shortcoming, cost are higher, cause it to be still restricted when being implemented by large-scale promotion.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of smart electronicses goods based on visible light communication
Frame tag system, it has preferable antijamming capability, so as to ensure the stability and reliability of information transfer.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of smart electronicses bin tag system based on visible light communication, including：
Server, it is used to obtain the label information with tag ID, and sends the label information according to the tag ID；
Transmitter, it is used to set up with server communicate after, the label information of the reception server transmission, and by the label
Information is converted into corresponding visible light signal, and the visible light signal is sent according to the tag ID；
Receiver, it is used for the visible light signal for receiving transmitter transmission, visible light signal is changed, generation and institute
The corresponding label information to be shown of tag ID is stated, and the label information to be shown is shown.
Preferably, the transmitter includes LED and the emitting module being integrated in LED, and the emitting module includes：
First signal processing module, it is used for the label information with tag ID of the reception server transmission, and to label
Information obtains corresponding digital electric signal, the digital electric signal after transmission processing after being handled；
Modular converter, it is used to receive the digital electric signal, and digital-to-analogue conversion generation is carried out to the digital electric signal and is simulated
Electric signal, and the analog electrical signal is superimposed upon in the driving current of LED, driving LED is luminous by the analog electrical signal
Visible light signal is converted into, and sends the visible light signal.
Preferably, the emitting module also include with first processing module be in communication with each other to connection module；This pair of connection module
For being docked using Ethernet interface and plc communication link with server, and formulate host-host protocol；The first signal transacting mould
The label information with tag ID that root tuber is sent according to the host-host protocol the reception server.
Preferably, the receiver is installed on shelf, and the receiver includes：
Receive and processing module, it is used for the visible light signal for receiving transmitter transmitting, it will be seen that optical signal is converted into mould
Intend electric signal, and to carrying out digital-to-analogue conversion generation digital electric signal after analog electrical signal amplification, retransmit the digital telecommunication
Number
Secondary signal processing module, it is used to receive by receiving the digital electric signal sent with processing module, according to described
Tag ID is handled the digital electric signal and obtains corresponding label information to be shown；
Display module, for being shown to the label information to be shown.
Preferably, the transmitter and receiver include the power module for being used to be powered it.
Preferably, the form of the server transmission label information includes：Global set of tags broadcast, set of tags broadcast and mark
Sign single broadcast.
The method that the present invention also provides a kind of smart electronicses bin tag system of application based on visible light communication, including with
Lower step：
Step A, obtains the label information with tag ID, and the label information is transmitted by server；
Step B, transmitter and server is set up after communicating, and has mark by what the transmitter receipt server was sent
ID label information is signed, and the label information is converted into corresponding visible light signal, the visible light signal is sent；
Step C, the visible light signal that transmitter is sent is received by receiver, and visible light signal processing is changed,
The generation to be shown label information corresponding with its tag ID, and the label information to be shown is shown.
Preferably, step B comprises the following steps：
Step B1, the label information with tag ID sent by the first signal processing module the reception server, and it is right
Label information obtains corresponding digital electric signal, the digital electric signal after transmission processing after being handled；
Step B2, by modular converter to receiving the digital electric signal, digital-to-analogue conversion life is carried out to the digital electric signal
Into analog electrical signal, the analog electrical signal is superimposed upon in the driving current of LED, it is luminous by the simulation electricity by LED
Signal is converted into visible light signal, and sends the visible light signal according to the tag ID.
Preferably, step C comprises the following steps：
Step C1, receives the visible light signal that transmitter is launched, and will be seen that optical signal turns by receiving with processing module
Change analog electrical signal into, digital-to-analogue conversion generation digital electric signal is carried out after being amplified to the analog electrical signal, this is retransmited
Digital electric signal；
Step C2, is received by receiving the digital electric signal sent with processing module, to this by secondary signal processing module
Digital electric signal is handled according to the tag ID and obtains corresponding label information to be shown；
Step C3, treats display tag information according to the tag ID by display module and is shown.
Preferably, the form of label information is sent in step A to be included：Global set of tags broadcast, set of tags broadcast and label
Single broadcast.
Beneficial effects of the present invention：
The smart electronicses bin tag system based on visible light communication and its application process of the present invention passes through transmitter root
Label information is converted into visible light signal according to tag ID to be transmitted, then the visible light signal entered by receiver
Row, which is received, simultaneously to be handled, and obtains corresponding label information to be shown, and treat display tag information according to tag ID being shown.Institute
Interference and the radiation problem of traditional wireless communication technology are efficiently solved by visible light communication technology with the present invention.Also,
The present invention can be multiplexed existing LED illumination and power supply facilities to greatest extent；Improve the reliability, steady of system of the present invention
Qualitative, security, the feature of environmental protection；Management cost is also significantly reduced while the tag control function of convenient and efficient is brought；Also
Label information can be enabled to be shown exactly on the receiver of corresponding shelf.
Brief description of the drawings
Fig. 1 shows for a kind of structure of the smart electronicses bin tag system based on visible light communication in embodiments of the invention
One of be intended to；
Fig. 2 shows for a kind of structure of the smart electronicses bin tag system based on visible light communication in embodiments of the invention
The two of intention；
Fig. 3 is set of tags schematic diagram in embodiments of the invention；
Fig. 4 is transmitter block diagram in embodiments of the invention；
Fig. 5 is receiver block diagram in embodiments of the invention；
Fig. 6 is a kind of side of smart electronicses bin tag system of application based on visible light communication in embodiments of the invention
The flow chart of method.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further：
Reference picture 1 and Fig. 2, a kind of smart electronicses bin tag system based on visible light communication described in the present embodiment,
Including：Server 1, transmitter 2 and receiver 3.The server 1 can pass through PLC (Power Line with transmitter 2
Communications, power line communication) return link or other links are communicated.The transmitter 2 and 3 passes through VLC
(Visible Light Communication, based on visible light communication) communication technology is communicated.It should be noted that Fig. 2
In and the present embodiment in shelf refer to interior be used to place the entity shelf of commodity for business to be super.Pallet quantity in Fig. 2 is one
More than individual, and some electronic tags are installed on each shelf, each label has a corresponding tag ID, i.e.,：Each mark
Sign a kind of commodity on some corresponding shelf of ID.Other LED should be included in transmitter in itself, be a group of transmitter
Into part.
The transmitter 2 includes LED and the emitting module being integrated in LED.The transmitter 2 can be based on PLC skills
Art, is completed and server 1 while the passback carried by LED illumination supply line (Backhaul) real-time performance illumination functions
Communications function.The receiver 3 can be powered by shelf centrally connected power supply or single battery.The receiver 3 need not be extra
Lay special data wire network (such as netting twine) to be communicated with launching 2 to realize, it is mainly realized with sending out by VLC technologies
Penetrate 2 to be communicated, and include the merchandise news that need to be shown on receiver 3 by handling the data received.
The server 1 is used to obtain the label information with tag ID, and sends the label information.The clothes of the present embodiment
Business device can be to have on the server for data processing and control process, the server in the soft of background service platform operation
Part.By PLC or other network links, communicated with all transmitters in system.The server can enter to label information
Row updates or safeguarded.The server can be realized by human-computer interaction interface obtains the label information with tag ID；And
Flexible management mode can also be realized according to the particular demands of different shelf, different commodity.For example, according to the characteristic of product more
New frequency can take periodically update, immediate updating and combination update etc..The price of the products such as usual fresh meat dish can be in difference
Period in and it is different, therefore can use periodically update；Immediate updating can be used for the commodity given a discount temporarily.Mark
Sign information to correspond with tag ID, server finds the label information received corresponding tag ID, and according to label
ID sends label information to the VLC base stations for covering this ID label, then by the VLC base stations in the VLC base station ranges it is wide
Broadcast corresponding label information.
As shown in figure 3, the form that the server 1 sends label information includes：Global set of tags broadcast, set of tags are wide
Broadcast, label single broadcast and other forms of broadcasting.The global set of tags broadcast refers to corresponding for all commodity in market
Receiver.The set of tags broadcast refers to the corresponding receiver of single or multiple commodity for single VLC base stations, or multiple
The corresponding receiver of single or multiple commodity of VLC base stations.The label unicast refers to be directed to the corresponding receiver of particular commodity.
Transmission form is alternatively other label information transfer management modes.
As shown in figure 4, the transmitter 2 is used for after being communicated with server foundation, what the reception server was sent has mark
ID label information is signed, and the label information is converted into corresponding visible light signal, can according to being sent the tag ID
See optical signal.The brightness of the visible ray can change with the difference of visible light signal.For example, the emitter can be by label
It is superimposed upon after information conversion in LED drive current, driving LED lights, and most label information forms visible light signal at last, thus can
To be transmitted by the quick light and shade change of LED, during the light and shade change of LED, human eye, which can not be discovered, obtains.The transmitter 2 can
For VLC transmitter, it is communicated after being connected by PLC or other network links with server.The transmitter is used to connect
After the label information for receiving correlation, label information is sent exactly to corresponding shelf according to tag ID by VLC transmitter
Receiver in, complete to the receiver 3 on all shelf in coverage (i.e.：Electronic tag) send corresponding label letter
Breath.
The emitting module includes the first signal processing module 21 and modular converter 22.
First signal processing module 21, it is used for the label information with tag ID of the reception server transmission, and
Corresponding digital electric signal, the digital electric signal after transmission processing are obtained after being handled label information.First signal
Processing module 21, which is realized, to be completed to carry out VLC descending communication signal processing procedures to the data of downlink transfer to label, will be handled
Signal output is to modular converter 22 afterwards.
The modular converter 22, it is used to, to receiving the digital electric signal, digital-to-analogue conversion is carried out to the digital electric signal
Analog electrical signal is generated, and the analog electrical signal is superimposed upon in the driving current of LED, it is luminous by the mould by LED
Intend electric signal and be converted into visible light signal, and send the visible light signal.The modular converter 22 realizes the descending VLC signals of completion
Processing procedure, that is, realize the conversion of digital electric signal and optical signal, and the light sent by LED sends out label information light
See off.
Preferably, the emitting module also include with first processing module 21 be in communication with each other to connection module 23, it is used for
Docked using Ethernet interface and plc communication link with server, and formulate host-host protocol；First signal processing module 21
The label information sent according to the host-host protocol and tag ID the reception server.The connection module 23 is realized to background service platform
Data-interface and transmitter inner control logic.Because needing to dock with the super existing information management system of various business, it need to ensure preferably
Compatibility and flexibility, docked using commodity ethernet interface with plc communication link with server, and according to the super business system of business
System feature formulates host-host protocol, is easy to system product compatible extensions and management service.
Preferably, the transmitter 2 also includes the first power module 24 for being used to be powered it.The first power supply mould
Block 24 can be used for for the first signal processing module 21, modular converter 22 and connection module 23 is powered, first power module
24 can connect civil power.
As shown in figure 5, the receiver 3 is used for the visible light signal for receiving transmitter transmission, visible light signal is carried out
Conversion, generates label information to be shown, and the label information to be shown is shown according to the tag ID.The receiver can
For integrated VLC receivers, it can receive the visible light signal of transmitter transmitting, visible light signal is handled, and demodulates
Corresponding label information to be shown is obtained after decoding to show on the receiver.The label information to be shown can be to include commodity list
The extensive stock information such as valency, trade name, the place of production and model.Each electronic tag is a receiver, can receive transmitting
The visible light signal of device transmission and conversion, but can only preserve and generate the display information corresponding to the ID electronic tags and display,
If not the corresponding electronic labeling informations of the ID will be abandoned.
The receiver 3 is installed on shelf, and the receiver 3 includes receiving and processing module 31, secondary signal processing mould
Block 32 and display module 33.
The reception and processing module 31, it is used for the visible light signal for receiving transmitter transmitting, and will be seen that optical signal
Analog electrical signal is converted to, and to carrying out digital-to-analogue conversion generation digital electric signal after analog electrical signal amplification, retransmits this
Digital electric signal.It can will be seen that optical signal is converted to analog electrical signal by light-sensitive device.
The secondary signal processing module 32, it is used to receive by receiving the electric signal sent with processing module, to the electricity
Signal is handled and obtains corresponding label information to be shown.Secondary signal processing module 32 is realized to VLC downlink datas
Signal processing.
The display module 33, for being shown to the label information to be shown.The display module 33 may include liquid
Crystal display screen or other all can be used for the display screen of display, the display screen can design different display samples according to different merchandise classifications
Formula.
Preferably, the receiver 3 also includes the second source module 34 for being used to be powered it.The second source mould
Block 34 is used to be powered with processing module 31, secondary signal processing module 32 and display module 33 to receive.
It should be noted that the first power module and second source module can be powered and two kinds of direct current supply using battery
Mode is combined, to adapt to different application scenarios demands.
A kind of application above-described intelligence based on visible light communication is also provided in reference picture 6, embodiments of the invention
The method of electronic bin tag system, comprises the following steps：
Step A, the label information of tag ID is obtained by server, and the label information is transmitted.Sent out in step A
Sending the form of label information includes：Global set of tags broadcast, set of tags broadcast and label single broadcast.
Step B, transmitter and server is set up after communicating, and has mark by what the transmitter receipt server was sent
ID label information is signed, and the label information is converted into corresponding visible light signal, the visible light signal is sent.
The step B specifically may comprise steps of：
Step B1, the label information with tag ID sent by the first signal processing module the reception server, and it is right
Label information obtains corresponding digital electric signal, the digital electric signal after transmission processing after being handled；
Step B2, by modular converter to receiving the digital electric signal, digital-to-analogue conversion life is carried out to the digital electric signal
Into analog electrical signal, the analog electrical signal is superimposed upon in the driving current of LED, it is luminous by the electric signal by LED
Visible light signal is converted into, and the visible light signal is sent according to the tag ID.
Step C, receives the visible light signal that transmitter is sent by receiver, processing conversion is carried out to visible light signal,
The generation to be shown label information corresponding with its tag ID, and the label information to be shown is shown.
The step C specifically may comprise steps of：
Step C1, receives the visible light signal that transmitter is launched, and will be seen that optical signal turns by receiving with processing module
Change analog electrical signal into, digital-to-analogue conversion generation digital electric signal is carried out after being amplified to the analog electrical signal, this is retransmited
Digital electric signal；It can will be seen that optical signal is converted to analog electrical signal by light-sensitive device.
Step C2, is received by receiving the digital electric signal sent with processing module, to this by secondary signal processing module
Digital electric signal is handled and obtains corresponding label information to be shown.
Step C3, treats display tag information according to the tag ID by display module and is shown.
In summary, smart electronicses bin tag system and its application process of the invention based on visible light communication, can
According to the demand of the application scenarios, with relatively low software and hardware complexity.The communication number for showing and safeguarding due to inventory information
It is smaller and not high to the requirement of real-time of data transfer according to measuring, so transmitter and receiver can use existing low cost
Processor architecture, improves level of integrated system and reduces power consumption so that the power consumption and holistic cost of this system are minimized.
The present invention realizes that merchandise news is received and changed using intelligent label using VLC technologies, it is to avoid traditional papery
Label maintenance mode, can be greatly decreased paper labels consumption, significantly reduce safeguard Commercial goods labelses information change needed for manpower and
Time, the super operator of business is helped to be cut operating costs in frequently price adjustment activity.In addition, the system significantly reduces label
The probability of information or positional fault, also can quickly correct to wrong label information, can effectively lift customer satisfaction.
The present invention uses VLC, PLC as the carrying pipeline of information transfer, can be shone to greatest extent using the existing LED of supermarket
Bright equipment and supply line, the infrastructure rebuilding to supermarket require very low, will not be reduced due to introducing new communication function
The impression of customer's original lighting environment super to business, but also network layout complexity and corresponding cost can be reduced.Except a small amount of backstage
Server, data gateway etc., network transmission system or equipment without additionally purchasing high cost.In addition, and based on NFC,
The smart electronicses bin tag system of the tradition short-distance wireless communication technology such as ZigBee, WiFi is compared, system of the invention
Great competitiveness (reference can be made to table 1).
Table 1：The characteristics of VLC is with traditional short-distance wireless communication technology is contrasted
The present invention can provide fast and convenient price adjustment mechanism, business is overhauled and seek and can in time be adjusted according to the price of rival
Adjust valency and attract customer.It can also be changed with commodity putting position and update label information rapidly, to realize more marketing tools.
By disposing the system, the super flexible valency that can not be realized by many disadvantages of paper labels administrative mechanism of traditional business can be met
Lattice and marketing demand, lift the market competitiveness.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (7)
1. the smart electronicses bin tag system based on visible light communication, it is characterised in that including：
Server, it is used to obtain the label information with tag ID, and sends the label information according to the tag ID；Server
The label information received finds to corresponding tag ID, and is sent label information to covering this ID label according to tag ID
VLC base stations, then broadcast corresponding label information in the VLC base station ranges by the VLC base stations；
Transmitter, it is used to set up with server communicate after, the label information of the reception server transmission, and by the label information
Corresponding visible light signal is converted into, the visible light signal is sent according to the tag ID；
Receiver, it is used for the visible light signal for receiving transmitter transmission, visible light signal is changed, generation and the mark
The corresponding label informations to be shown of ID are signed, and the label information to be shown is shown；
The transmitter includes LED and the emitting module being integrated in LED, and the emitting module includes：
First signal processing module, it is used for the label information with tag ID of the reception server transmission, and to label information
Corresponding digital electric signal, the digital electric signal after transmission processing are obtained after being handled；
Modular converter, it is used to receive the digital electric signal, and digital-to-analogue conversion generation analog telecommunications are carried out to the digital electric signal
Number, and the analog electrical signal is superimposed upon in the driving current of LED, driving LED is luminous to change the analog electrical signal
Into visible light signal, and send the visible light signal；
The emitting module also include with first processing module be in communication with each other to connection module；This pair of connection module is used to use ether
Network interface and plc communication link are docked with server, and formulate host-host protocol；First signal processing module is according to the transmission
The label information with tag ID that agreement the reception server is sent.
2. the smart electronicses bin tag system according to claim 1 based on visible light communication, it is characterised in that described
Receiver is installed on shelf, and the receiver includes：
Receive and processing module, it is used for the visible light signal for receiving transmitter transmitting, it will be seen that optical signal is converted into simulation electricity
Signal, and to carrying out digital-to-analogue conversion generation digital electric signal after analog electrical signal amplification, retransmit the digital electric signal；
Secondary signal processing module, it is used to receive by receiving the digital electric signal sent with processing module, according to the label
ID is handled the digital electric signal and is obtained corresponding label information to be shown；
Display module, for being shown to the label information to be shown.
3. the smart electronicses bin tag system according to claim 1 or 2 based on visible light communication, it is characterised in that
The transmitter and receiver include the power module for being used to be powered it.
4. the smart electronicses bin tag system according to claim 1 or 2 based on visible light communication, it is characterised in that
The form that the server sends label information includes：Global set of tags broadcast, set of tags broadcast and label single broadcast.
5. the method for smart electronicses bin tag system of the application based on visible light communication, it is characterised in that comprise the following steps：
Step A, the label information of tag ID is obtained by server, and the label information is transmitted；
Step B, transmitter and server is set up after communicating, and has tag ID by what the transmitter receipt server was sent
Label information, and the label information is converted into corresponding visible light signal, sends the visible light signal；
Step C, the visible light signal that transmitter is sent is received by receiver, and conversion process, generation are carried out to visible light signal
The to be shown label information corresponding with the tag ID, and the label information to be shown is shown；
Step B comprises the following steps：
Step B1, the label information with tag ID sent by the first signal processing module the reception server, and to label
Information obtains corresponding digital electric signal, the digital electric signal after transmission processing after being handled；
Step B2, by modular converter to receiving the digital electric signal, digital-to-analogue conversion generation mould is carried out to the digital electric signal
Intend electric signal, the analog electrical signal is superimposed upon in the driving current of LED, it is luminous by the analog electrical signal by LED
Visible light signal is converted into, and the visible light signal is sent according to the tag ID；
Also include before step B1：Connection module is docked using Ethernet interface and plc communication link with server, and formulates biography
Defeated agreement.
6. method according to claim 5, it is characterised in that step C comprises the following steps：
Step C1, receives the visible light signal that transmitter is launched, and will be seen that optical signal is converted into by receiving with processing module
Analog electrical signal, carries out digital-to-analogue conversion generation digital electric signal, retransmits the numeral after being amplified to the analog electrical signal
Electric signal；
Step C2, is received by receiving the digital electric signal sent with processing module, to the numeral by secondary signal processing module
Electric signal is handled according to the tag ID and obtains corresponding label information to be shown；
Step C3, treats display tag information according to the tag ID by display module and is shown.
7. the method according to claim 5 or 6, it is characterised in that the form of label information is sent in step A to be included：Entirely
Office's set of tags broadcast, set of tags broadcast and label single broadcast.
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