CN1996851A - RFID technology-based data switching system - Google Patents

RFID technology-based data switching system Download PDF

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Publication number
CN1996851A
CN1996851A CN 200610165152 CN200610165152A CN1996851A CN 1996851 A CN1996851 A CN 1996851A CN 200610165152 CN200610165152 CN 200610165152 CN 200610165152 A CN200610165152 A CN 200610165152A CN 1996851 A CN1996851 A CN 1996851A
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label
terminal
reader
data
data exchange
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CN 200610165152
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Chinese (zh)
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钟学毅
程伟森
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ZTE Corp
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ZTE Corp
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Priority to CN 200610165152 priority Critical patent/CN1996851A/en
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Abstract

This invention discloses one data exchange system based on RFID technique, which comprises the following parts: servo and its network, label, reader; one terminal end imbedded with label and said reader to process data read and write operations on labels and to control communication between label and reader; one core network to get communication data and to realize network connection for data exchange; the said reader reads the label send information within range and to send the information into core network.

Description

A kind of data exchange system based on the RFID technology
Technical field
The present invention relates to the wireless communication technique field, particularly relate to a kind of new types of data switching system based on RFID (RadioFrequency Identification, radio frequency identification) technology.
Background technology
The RFID technology is one of the most influential application technology in this century in advance.The RFID technology because its flexibly the entity framework can carry out application extension according to different instruments.Label and portable terminal are used in conjunction with attempting all over the world, add ticket booking traffic forecast in RFID function and the RFID embedding mobile phone and NFC (Near FieldCommunication, the Near Field Communication) technology that enjoys industry to gaze at recently comprising the Nokia mobile phone.Constantly perfect along with RFID technology and service, the RFID technology embeds in the handheld terminal (as PDA (Personal Digital Assistant, personal digital assistant)) and will be achieved in the near future.Adopt the data exchange system of RFID technology essential.
In the common RFID data exchange system, label is the communication mode that is in passive type.In fact, no matter label is in passive type or active communication mode in the RFID data exchange system, implements all without any the technology barrier.In the RFID data exchange system in the past, label always is in passive state and removes to transmit data or swap data.
On the other hand, label is used in combination with terminal or portable terminal, all is that terminal is not controlled label usually, and what really control label communication still is reader.This just makes RFID data exchange system and terminal system produce the exchanges data barrier, that is, terminal can't organically combine with the RFID data exchange system.
Effectively, use the label communication mode will obtain a brand-new data exchange system that is rich in prospect flexibly simultaneously in conjunction with terminal system.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of data exchange system based on the RFID technology, is used to solve prior art and can't carries out terminal and communicate by letter with the flexible data between the RFID data exchange system.
To achieve these goals, the invention provides a kind of data exchange system, comprise server and server network thereof, label, reader based on the RFID technology; Described server is used for each node of described server network or the data communication between the terminal are controlled and managed, and described reader is used for described label is carried out data read-write operation, it is characterized in that, also comprises:
One embeds the terminal of described label and/or described reader, is used for described label is carried out data read-write operation, and controls communicating by letter between described label and the described reader; And
One core network is used for the obtaining communication data, realizes that network connects, and carries out exchanges data according to described communication data;
Described reader reads the information that described label sends in the coverage of reader, and imports described information into described core network via described server; The coverage that described core network connects different readers forms a data switching networks; Described server obtains described information by described data switching networks, and according to the exchanges data between the described label of described information Control.
Described data exchange system based on the RFID technology, wherein, described label is to carry out data communication between active mode or passive working method and the described reader.
Described data exchange system based on the RFID technology, wherein, described label is selected described active mode or described passive working method by adaptive mode or external control mode.
Described data exchange system based on the RFID technology, wherein, described terminal embeds described label and/or described reader in the mode that embeds Subscriber Identity Module.
Described data exchange system based on the RFID technology, wherein, described label be provided with one with the selectable unit of described terminal common source module.
Described data exchange system based on the RFID technology, wherein, described terminal is provided with an optional power module to described label supply power supply.
Described data exchange system based on the RFID technology, wherein, described terminal comprises portable terminal, fixed terminal.
Described data exchange system based on the RFID technology, wherein, described core network is mobile network or fixed network.
To achieve these goals, the present invention also provides a kind of short message service system based on described data exchange system, it is characterized in that, comprising: first terminal, that embeds source label and reader embeds second terminal of target labels and reader;
When described source label when described target labels sends a short message, described first terminal is write information to described source label, and control described source label and initiate the information that described target labels is obtained in an instruction to described reader, described server is sent to described target labels according to described information and by described core network with described short message, and described target labels is obtained described short message and notified described second terminal.
Useful technique effect of the present invention is:
The present invention is by combining terminal and RFID technology, and added the data switching system that communication network (comprising core network, core business server network) is built into.The present invention has utilized the communication mode of label neatly, operates control neatly in conjunction with terminal, makes data exchange system flexible and practical, and wherein terminal comprises portable terminal and fixed terminal.It is more flexible and practical that portable terminal is compared fixed terminal applied field credit union.
(Short Message ServiceSystem SMSS) is called for short RFID SMS (Short Message Service) platform, and it has opened up a kind of novel business of the complex technique in conjunction with RFID and handheld terminal based on the short message service system of RFID data exchange system.(ShortMessage Service SMS), is different from the SMS (Short Message Service) platform of telecom operators in the past to this service class in essence like worldwide SMS (Short Message Service).The short message of RFID SMS (Short Message Service) platform is actually the data of data exchange system.RFID SMS (Short Message Service) platform is a good mobile phone terminal technology application platform, and this may influence the life pattern of whole person to person's interaction.
In fact the NFC technology is exactly being used in combination of RFID technology and mobile phone.Increase the RFID data exchange system that communication network connects, also can realize the function of current NFC, in addition, also enlarged communication distance, overcome the drawback of short-range communication, similar NFC can open point-to-point high-speed data communication simultaneously.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the data exchange system structure chart that the present invention is based on RFID;
Fig. 2 is exchanges data one-way process figure of the present invention.
Embodiment
Seeing also Fig. 1, is the data exchange system structure chart that the present invention is based on RFID, and this system comprises five entities, is respectively: the handheld terminal 14 of server 11, reader Reader 12, label 13, embedded tags 13 and core network 15.
Server 11 is core business servers, and it is used for realizing carrying out business such as data interaction, information interchange between each node of subordinate server network or the terminal, and by network monitor (Monitor) system is controlled and supervises.Whole server network also can comprise top service software module, application software module and/or network management software module except comprising route, hub and network monitor.
Reader 12 is used for label 13 is carried out the data write operation.Reader 12 inside comprise again: processor unit, mnemon and radio frequency unit.
Processor unit control radio frequency unit carries out the radiofrequency signal transmitting-receiving, and also operation is local simultaneously carries out exchanges data with server 11, can pass through RS232 or Ethernet interface usually.Mnemon then is to be processor unit store initialization information or associative operation program code.
Label 13 is provided with label function modules such as mnemon, state logic control unit, emission receiving element; Wherein, mnemon is used to store some essential informations, as essential informations such as user ID; The state logic control unit is used to realize the monitoring of label 13 and the protocol interaction that carries out communication with reader 12; The emission receiving element is responsible for the information that the state logic control unit sends is sent to reader 12 by air interface.
Label 13 also is provided with the selectable unit with terminal 14 common source modules, thereby solves the power issue of label 13 better, and the communication protocol between label 13 and the reader 12 also can correspondingly change.If this specific application model has solved power issue, when the user was more and more higher to the interactive speed requirement, label 13 and reader 12 can carry out real full-duplex communication fully.Thereby change related protocols such as ISO18000-6 and EPC GEN2 in essence.
The handheld terminal 14 of embedded tags 13 is the mobile units that are integrated with various personal information processing functions.It has with label 13 and carries out mutual function, as by and label 13 between I/O (Input/Output, input and output) interface label information is carried out the data read/write operation; Also be provided with the optional power module that uses for label 13 simultaneously.
Label 13 embeds in the terminal 14, and this embedding is meant that label 13 is similar to the SIM of terminal 14 (Subscriber Identity Module, Subscriber Identity Module) card, both can extract and also can insert terminal 14 uses.It is erasable that terminal 14 can be carried out data to label 13, also can control the communication between label 13 and the reader 12 simultaneously.
Core network 15 is used to realize communication data record (as the label ID in the coverage that writes down reader in each local area network (LAN) number), and realizes that each local area network (LAN) is connected and data exchanging function.
Compare with existing RFID data exchange system, RFID data exchange system of the present invention has been set up the interaction function of terminal 14 with label 13.Label 13 and/or reader 12 are embedded terminal 14 as node or terminal in the communication network.Terminal 14 direct access tag 13 are carried out immediate data exchange with label 13, that is, terminal 14 can be carried out reading and writing data to the label 13 that embeds wherein, and communicating by letter between control label 13 and the reader 12.The label 13 that embeds in the terminal 104 can propose communication request to reader 12 by active mode, also can wait for simultaneously the connection of reader 12 by passive mode, that is, the label 13 in the embedding terminal 14 can be selected the working method of active or passive type according to obstructed situation.This selection can be label 13 adaptively selected also can be to select by external control.
In the past, when label 13 carries out work with the passive type working method, be periodically to send stimulus information to label 13 by reader 12, label 13 is done response again, to form whole exchanges data link.When label 13 has increased active working method, the data communication between label 13 and the reader 12 is just more flexible and changeable.So the terminal 14 of embedded tags 13 is used in combination with the RFID data exchange system, the exchanges data between terminal 14 and the RFID data exchange system also will be more convenient and flexible.Further introduce the interactively between each part in the RFID data exchange system of the present invention below:
1), 14 pairs of label 13 write datas of terminal, label 13 sends data to reader 12;
2), reader 12 is to label 13 transmission information, and 13 on label can be given terminal 14 information exchange that receives;
3), reader 12 stimulates label 13, opens the RFID data communication;
4), label 13 stimulates reader 12, opens the RFID data communication;
5), terminal 14 control labels 13 stimulate reader 12, open the RFID data communication.
On the other hand, embed terminal 14 as for reader 12, it is the function of setting up a reader on the basis of more original terminals.
When a terminal 14 is integrated with reader 12 and label 13 simultaneously, the reader 12 of this terminal 14 will be read the label of another terminal, in order the source label that embeds not to be thought by mistake target labels, the isolation that the reader 12 of this terminal 14 and label 13 will be correlated with when communicating by letter.This isolation can realize by hardware or software.
Reader 12 can read and note the ID and the identifying information of label 13 in the coverage of its reader, as key messages such as names.In addition, reader 12 can at first send ID and relevant main identifying information to server 11, is sent to core network 15 by server 11 again.By core network 15, the coverage of different readers just can link together, and forms a data switching network.By the label ID in the coverage of inquiring after reader in data switching networks, the exchanges data between the label is further carried out in position that can positioning label 13.
Above-mentioned core network 15 is networks of realizing the native system core business, can be that mobile network also can be a fixed network.
The terminal 14 that the above-mentioned precondition that communicates is an embedded tags 13 must be in the coverage of reader.
Further describe two application scenarioss of the present invention below based on the RFID data exchange system.
First application scenarios: based on the short message service system SMSS of RFID data exchange system;
Short message service system SMSS based on the RFID data exchange system is called for short RFID SMS (Short Message Service) platform.In fact the short message of RFID SMS (Short Message Service) platform is exactly the data of data exchange system, and RFID SMS (Short Message Service) platform is a good portable terminal technology application platform, thereby might increase and influence the life pattern of whole person to person's interaction.
Desire to the label that the is positioned at second ground breath of sending short messages when the label that is positioned at first ground, the label that will be positioned at first ground is called the source label, and the label that is positioned at second ground is called target labels.First ground terminal (promptly embedding the terminal of source label) is write information to the source label, the reader of Controlling Source label in the coverage of this reader initiates to inquire after the target labels instruction then, be the ID of query aim label, what this moment, the source label adopted is active communication mode, promptly is in the state of inquiring after.Send to the target labels place via reader, server, core network.At this moment, what target labels adopted is the passive type communication mode, promptly is in the wait connection status.By core network, short message content is sent to target labels.Target labels sends the acquired information alarm can for second ground terminal (embedding the terminal of target labels), and carries out next step operation according to customer requirements.Concrete transfer of data is illustrated in fig. 2 shown below, and like this, data transmit-receive is finished substantially, and the RFID receiving short message is achieved.
Second application scenarios: based on the high speed transmission system of RFID data exchange system;
At present NFC utilizes the RFID technology to start point-to-point high speed data transmission interfaces such as the bluetooth of terminal room or WiFi.Before high speed data transmission interface, need to carry out the parameter configuration such as synchronizing information, transmission speed of terminal room, adaptive with the communication of satisfying different terminals.The configuration information data volume of terminal room is very little, and transmission rate request is not high yet, so NFC can meet the demands fully.In general the NFC data quantity transmitted is very little, and rate request is not high, and the application scenario is flexible, but shortcoming is that transmission range is too little.General transmission range is about 10 centimetres.That is to say, carry out the end message configuration, can only in very short space length, carry out by NFC.
In conjunction with the RFID data exchange system, the configuration information of terminal room can exchange in the RFID data exchange system, the configuration information of terminal room is exactly the data that will exchange in the RFID data exchange system, reach remote configuration requirement with this, overcome the above-mentioned shortcoming of NFC, thereby open the terminal room high speed data transmission interface at a distance.As long as RFID data exchange system coverage is enough big, remote high-speed data exchange just can be opened.The high speed data transfer passage just can obtain setting up, and same point-to-point high speed data transfer passage also can obtain setting up.
At first, the terminal room configuration information exchange, this process is finished by the RFID data exchange system;
Then, if the terminal room configuration successful is opened the high speed data transfer passage, the exchange of beginning high speed high band wide data.
The authentication and the configuration information of the terminal room high-speed channel that the RFID data exchange system is finished belong to control information.As for high speed high band wide data passage, because overcome distance problem, so can be that wired passage also can be a radio channel, as long as the energy proper communication in these distances of these passages, it be just meaningful to communicate by letter.Wired passage can be similar communication modes such as ADSL, light, and radio channel comprises it being similar communication modes such as bluetooth, WiFi or Wimax.
As shown in Figure 1, the terminal among the roomA can be carried out exchanges data by RFID data exchange system and roomB, and the short message service system that the present invention is based on the RFID data exchange system can obtain by the internetwork connection mode of Fig. 1.
Among Fig. 1, terminal 14 is the hand-hold type portable terminal, but or is the fixed terminal or the mobile terminal of various embedded tags.
Seeing also Fig. 2, is RFID data exchange system exchanges data one-way process figure.In conjunction with Fig. 1, the step of this exchanges data one-way process is as follows:
Step 201, terminal is carried out message composition to label;
In this step, desire when target labels sends information when the source label, terminal is carried out message composition or packing data to label;
Step 202, terminal are searched for reader towards periphery and are sent stimulus signal;
Whether step 203, terminal judges its present position promptly judge whether to exist reader whether in the coverage of reader, if exist, then execution in step 205, otherwise, execution in step 204;
Step 204 is inquired after the reader counting, and whether label has reader to exist by counter n inquiry, every inquiry once, counter n counts a number, the initial value of counter n is 0, k is overtime evaluation, if after having inquired after k time, inquire after end cycle, still can't inquire after reader, then send warning message, and return step 201, otherwise, change step 202 over to;
Step 205, when inquire after have reader after, can carry out exchanges data in two ways:
First kind of exchanged form, reader reading tag information;
Second kind of exchanged form, terminal sends label information to reader, and promptly label sends information to reader.Label can be chosen active or passive type carries out exchanges data.Under this mode, the data that reader obtains comprise useful data and crucial identifying informations such as source label and target labels ID.This identifying information carries out verification for subsequent data communications.
Step 206, after reader obtains data, just data upload to server, that is, and reader and server communication.
Step 207, server and core net connect, and inquire after the target labels instruction to the core net transmission, and the label ID that each server of coupling reports is checked in this order, confirms whether there is target labels, if there is target labels, then execution in step 209; If no, execution in step 208 then;
Step 208, carry out target labels and inquire after counting, whether server has target labels to exist by counter n inquiry, and every inquiry once, counter n counts a number, the initial value of counter n is 0, and k is overtime evaluation, if after having inquired after k time, inquire after end cycle, do not find target labels yet, then send warning message, and return step 201 to the source label; When inquiring after end cycle, find target labels, then execution in step 207; And
Step 209, the lock onto target label, and to its transmission data.
Label ID in the coverage of each reader, before the communication, core net has been obtained the positional information of its id information and each label of real-time lock, with this label ID coupling and subsequent communications as exchanges data.
More than be system data exchange one-way process, the reverse data exchange is still like that.
Among Fig. 2, terminal labels sends stimulus signal to reader, and promptly label carries out working in active mode, but label also can the passive type mode work, and after promptly terminal was finished message composition to label, label waited for that reader comes reading information.Can carry out corresponding choosing to the working method of label according to concrete application scenarios.
Current rfid system is subjected to environmental factor obviously to be influenced, and RFID technical communication distance generally is no more than 20 meters, according to this situation, the present invention is in conjunction with communication network and mobile terminal system, use RFID self communication mode flexibly, make the three effectively in conjunction with forming a novel data exchange system.The source label is initiatively inquired after target labels to the coverage of reader, and target labels is carried out data with traditional RFID passive type communication mode again and returned.
The present invention passes through to rely on the RFID technology, finishes specific exchanges data in conjunction with ripe mobile or fixed telecommunication network simultaneously.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (9)

1, a kind of data exchange system based on the RFID technology comprises server and server network thereof, label, reader; Described server is used for each node of described server network or the data communication between the terminal are controlled and managed, and described reader is used for described label is carried out data read-write operation, it is characterized in that, also comprises:
One embeds the terminal of described label and/or described reader, is used for described label is carried out data read-write operation, and controls communicating by letter between described label and the described reader; And
One core network is used for the obtaining communication data, realizes that network connects, and carries out exchanges data according to described communication data;
Described reader reads the information that described label sends in the coverage of reader, and imports described information into described core network via described server; The coverage that described core network connects different readers forms a data switching networks; Described server obtains described information by described data switching networks, and according to the exchanges data between the described label of described information Control.
2, the data exchange system based on the RFID technology according to claim 1 is characterized in that, described label is to carry out data communication between active mode or passive working method and the described reader.
3, the data exchange system based on the RFID technology according to claim 2 is characterized in that, described label is selected described active mode or described passive working method by adaptive mode or external control mode.
According to claim 1,2 or 3 described data exchange systems, it is characterized in that 4, described terminal embeds described label and/or described reader in the mode that embeds Subscriber Identity Module based on the RFID technology.
5, according to claim 1,2 or 3 described data exchange systems, it is characterized in that based on the RFID technology, described label be provided with one with the selectable unit of described terminal common source module.
According to claim 1,2 or 3 described data exchange systems, it is characterized in that 6, described terminal is provided with an optional power module to described label supply power supply based on the RFID technology.
7, according to claim 1,2 or 3 described data exchange systems, it is characterized in that described terminal comprises portable terminal, fixed terminal based on the RFID technology.
8, according to claim 1,2 or 3 described data exchange systems, it is characterized in that described core network is mobile network or fixed network based on the RFID technology.
9, a kind of short message service system based on the described data exchange system of claim 1 is characterized in that, comprising: first terminal, that embeds source label and reader embeds second terminal of target labels and reader;
When described source label when described target labels sends a short message, described first terminal is write information to described source label, and control described source label and initiate the information that described target labels is obtained in an instruction to described reader, described server is sent to described target labels according to described information and by described core network with described short message, and described target labels is obtained described short message and notified described second terminal.
CN 200610165152 2006-12-13 2006-12-13 RFID technology-based data switching system Pending CN1996851A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102904621A (en) * 2011-07-25 2013-01-30 上海博路信息技术有限公司 Terminal data exchange method on basis of NFC (near field communication)
CN103150583A (en) * 2011-12-07 2013-06-12 国民技术股份有限公司 Method and system of terminal communication
CN103297944A (en) * 2013-05-03 2013-09-11 马志敏 Emergency call communication system and method based on specific identification

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102904621A (en) * 2011-07-25 2013-01-30 上海博路信息技术有限公司 Terminal data exchange method on basis of NFC (near field communication)
CN103150583A (en) * 2011-12-07 2013-06-12 国民技术股份有限公司 Method and system of terminal communication
CN103297944A (en) * 2013-05-03 2013-09-11 马志敏 Emergency call communication system and method based on specific identification

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