CN105706113A - System and method for controlling identification tags - Google Patents

System and method for controlling identification tags Download PDF

Info

Publication number
CN105706113A
CN105706113A CN201380080703.3A CN201380080703A CN105706113A CN 105706113 A CN105706113 A CN 105706113A CN 201380080703 A CN201380080703 A CN 201380080703A CN 105706113 A CN105706113 A CN 105706113A
Authority
CN
China
Prior art keywords
transceiver
label
signal
identification label
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201380080703.3A
Other languages
Chinese (zh)
Other versions
CN105706113B (en
Inventor
唐志鸿
黎振伟
陈耀民
孙丽霞
梁志伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hong Kong Logistics And Supply Chain Management Application Engineering Research And Development Centre
Original Assignee
Hong Kong Logistics And Supply Chain Management Application Engineering Research And Development Centre
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hong Kong Logistics And Supply Chain Management Application Engineering Research And Development Centre filed Critical Hong Kong Logistics And Supply Chain Management Application Engineering Research And Development Centre
Publication of CN105706113A publication Critical patent/CN105706113A/en
Application granted granted Critical
Publication of CN105706113B publication Critical patent/CN105706113B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10019—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
    • G06K7/10029—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

A system and method for controlling identification tags in an environment comprising the step of applying an anti-collision protocol to communication signals transmitted from each of the identification tags in the environment to one or more transceivers arranged to receive the communication signals from each of the identification tags, wherein the anti-collision protocol is arranged to prevent more than one of the one or more transceivers from communicating with any one of the identification tags over a predetermined time frame.

Description

For controlling to identify the system and method for label
Technical field
The present invention relates to a kind of system and method for controlling to identify label, and particularly but not exclusively relate to a kind of control protocol for controlling RFID tag system。
Background technology
Identify that label has been used in various business and communication system for identifying object。Along with the development of electronic technology and radiotechnics, RFID tag (RFID tag) becomes more and more important in various target trackings and monitoring application。
RFID tag general size is only small and can be attached to easily on the object to monitor。RFID tag also operable thus for communication objective wirelessly by radio signal transmission to tag reader and from tag reader reception radiofrequency signal。Unique due to these, RFID tag is used in various place by retailer, retail trader, logistics provider, manufacturer etc. more and more, for instance hospital, market, shop and in supply chain is applied。Such as, RFID tag is used to the motion of monitoring patient within the hospital。Additionally, RFID tag is used in logistics and supply chain service, for following the tracks of and Care for Cargo。
In order to increasingly effectively monitor different RFID tag in operation, RFID tag management system can be used。In general, RFID tag management system includes multiple RFID tag and the multiple RFID tag reading devices communicated with these RFID tag。Additionally, be included in the system for managing reading device and label with the controller of reading device communication。These assemblies in RFID tag management system are arranged in such a way, enabling perform data collection, data route, data management, process and telecommunication management and RFID tag management intelligently and reliably。
Summary of the invention
According to the first aspect of the invention, it is proposed that a kind of for controlling the method identifying label in environment, comprise the following steps:
Anticollision protocol is applied to the signal of communication being transferred to one or more transceiver from each identification label in the environment, the one or more transceiver is arranged to receive signal of communication from each identification label, and wherein anticollision protocol is arranged to prevent the more than one transceiver in one or more transceiver from communicating with any one in identification label in predetermined time range。
In an embodiment of first aspect, anticollision protocol is arranged to prevent the more than one transceiver in one or more transceiver from response to receiving signal of communication from identification label, identification label being responded。
In an embodiment of first aspect, control signal is transmitted to identifying label by one or more transceivers in response to receiving signal of communication from identification label。
In an embodiment of first aspect, being report signal from identifying the signal of communication that label transmits, its report identifies the mode of operation of label。
In an embodiment of first aspect, each report signal includes label identifier and the tag match code being associated with identification label, and in the different transmission attempt of report signal, tag match code changes with predetermined sequence。
In an embodiment of first aspect, each transceiver includes transceiver matching identification symbol and watch-list, and this watch-list includes and the label identifier of the associated plurality of identification label of transceiver。
In an embodiment of first aspect, the method is further comprising the steps of:
By report signal from identifying that label transmits to one or more transceivers；And
In response to receiving report signal, by control signal from one or more transceivers transmission to identifying label。
In an embodiment of first aspect, anticollision protocol comprises the following steps:
In response to from identifying that label receives report signal, determine the transceiver for transmission of control signals from one or more transceivers。
In an embodiment of first aspect, in response to from identifying that label receives report signal, determining that from one or more transceivers the step of the transceiver for transmission of control signals is further comprising the steps of:
Identify whether label is associated with transceiver by being compared to the label identifier of report signal with the label identifier in the watch-list of transceiver determine；And
Select to include the transceiver with the watch-list of the label identifier matched with the label identifier of described report signal to transmit described control signal。
In an embodiment of first aspect, in response to from identifying that label receives report signal, determining that from one or more transceivers the step of the transceiver for transmission of control signals is further comprising the steps of:
Determine whether the tag match code of report signal mates with transceiver matching identification symbol；And
Select the transceiver with the transceiver matching identification symbol mated with tag match code-phase to transmit described control signal。
In an embodiment of first aspect, the method is further comprising the steps of:
When any one failing from one or more transceivers receives control signal, after the predetermined time period, from identifying that label transmits the report signal with different tag match codes again。
In an embodiment of first aspect, the method is further comprising the steps of:
When successfully from one or more transceivers receives control signal, make identification label enter and reduce mode of operation。
In an embodiment of first aspect, control signal includes the information relevant with the Next Report time identifying label。
In an embodiment of first aspect, predetermined time range is the time of each transmission attempt of signal of communication。
In an embodiment of first aspect, the method is further comprising the steps of:
Applying frequency handoff protocol, in order to change the frequency of signal of communication in different transmission attempts when receiving control signal for one failed from one or more transceivers。
In an embodiment of first aspect, each identification label includes multiple transmission channel, and the plurality of transmission channel is arranged to different frequencies and predetermined frequency error factor sequence to transmit signal of communication。
In an embodiment of first aspect, when frequency error factor agreement be arranged in failing from one or more transceivers one receives control signal, switch the transmission frequency of the signal of communication identifying label according to predetermined frequency error factor sequence。
In an embodiment of first aspect, when failing from transceiver to control signal, identify that label enters and reduce mode of operation, and resending signal of communication after a predetermined period of time。
In an embodiment of first aspect, the method is further comprising the steps of:
Report time table function is applied to the identification label being associated with transceiver, and to prevent more than one identifying, label communicated with transceiver in the identical time period。
In an embodiment of first aspect, report time table function is arranged to prevent more than one identification label in the identical time period by communication signal transmissions to transceiver。
In an embodiment of first aspect, label is arranged to communication signal transmissions to transceiver with the different time periods in different the identifying being associated from transceiver。
In an embodiment of first aspect, the method is further comprising the steps of:
Watch-list is updated agreement and is applied to transceiver, to update the watch-list of transceiver。
In an embodiment of first aspect, watch-list updates agreement and is arranged to watch-list that be associated with transceiver, that identification label label identifier adds transceiver to, and removes and the label identifier of the no longer related identification label of transceiver from the watch-list of transceiver。
In an embodiment of first aspect, the identification label being associated with transceiver is the identification label from transceiver control signal。
In an embodiment of first aspect to, the label identifier identifying label being associated with transceiver is added by transceiver the watch-list of transceiver。
In an embodiment of first aspect, with the change in the watch-list that the controller of transceiver communication is arranged to detection transceiver。
In an embodiment of first aspect, remove from the watch-list of transceiver by controller with the label identifier of the no longer related identification label of transceiver。
In an embodiment of first aspect, the method is further comprising the steps of:
Applicative time synchronous protocol is to synchronize the local clock of transceiver and the server clock of server。
In an embodiment of first aspect, time synchronization protocol is arranged to adjust the local clock of transceiver, and carries out synchronize by the local clock of transceiver with the server clock of server。
In an embodiment of first aspect, identify that label is RFID tag。
In an embodiment of first aspect, RFID tag is active RFID tag, its active transmission signal of communication。
According to the second aspect of the invention, it is proposed that a kind of for control in environment identify label system, including:
Processor, it is arranged to anticollision protocol is applied to the signal of communication being transferred to one or more transceiver from each identification label in the environment, these one or more transceivers are arranged to receive signal of communication from each identification label, and wherein anticollision protocol is arranged to prevent the more than one transceiver in one or more transceiver from communicating with any one in identification label in predetermined time range。
In an embodiment of second aspect, anticollision protocol is arranged to prevent the more than one transceiver in one or more transceiver from response to receiving signal of communication from identification label, identification label being responded。
In an embodiment of second aspect, control signal is transmitted to identifying label by one or more transceivers in response to receiving signal of communication from identification label。
In an embodiment of second aspect, being report signal from identifying the signal of communication that label transmits, its report identifies the mode of operation of label。
In an embodiment of second aspect, each report signal includes label identifier and the tag match code being associated with identification label, and in the different transmission attempt of report signal, tag match code changes with predetermined sequence。
In an embodiment of second aspect, each transceiver includes transceiver matching identification symbol and watch-list, and watch-list includes and the label identifier of the associated plurality of identification label of transceiver。
In an embodiment of second aspect, identify that label is arranged to report signal transmission to one or more transceivers；And, in one or more transceivers is arranged in response to receiving report signal by control signal transmission to identifying label。
In an embodiment of second aspect, anticollision protocol is arranged to:
In response to from identifying that label receives report signal, determine the transceiver for transmission of control signals from one or more transceivers。
In an embodiment of second aspect, anticollision protocol is further arranged into:
Identify whether label is associated with transceiver by being compared to the label identifier of report signal with the label identifier in the watch-list of transceiver determine；And
Select the transceiver with the watch-list of the label identifier matched with the label identifier of described report signal to transmit described control signal。
In an embodiment of second aspect, anticollision protocol is further arranged into:
Determine whether the tag match code of report signal mates transceiver matching identification symbol；And
Select the transceiver with the transceiver matching identification symbol mated with tag match code-phase to transmit described control signal。
In an embodiment of second aspect, identify that label is further arranged into, when any one failing from one or more transceivers receives control signal, after the predetermined time period, transmission has the report signal of different tag match codes again。
In an embodiment of second aspect, identify that label is further arranged into, when successfully from one or more transceivers receives control signal, enter and reduce mode of operation。
In an embodiment of second aspect, control signal includes the information relevant with the Next Report time identifying label。
In an embodiment of second aspect, predetermined time range is the time of each transmission attempt of signal of communication。
In an embodiment of second aspect, this system also includes:
Processor, it is arranged to applying frequency handoff protocol, in order to when receiving control signal for one failed from one or more transceivers, changes the frequency of signal of communication in different transmission attempts。
In an embodiment of second aspect, when frequency error factor agreement be arranged in failing from one or more transceivers one receives control signal, switch the transmission frequency of the signal of communication identifying label according to predetermined frequency error factor sequence。
In an embodiment of second aspect, this system also includes:
Processor, it is arranged to report time table function is applied to the identification label being associated with transceiver, thus preventing more than one identifying, label communicated with transceiver in the identical time period。
In an embodiment of second aspect, report time table function is arranged to prevent more than one identification label in the identical time period by communication signal transmissions to transceiver。
In an embodiment of second aspect, this system also includes:
Processor, it is arranged to that watch-list is updated agreement and is applied to transceiver, in order to update the watch-list of transceiver。
In an embodiment of second aspect, watch-list updates agreement and is arranged to watch-list that be associated with transceiver, that identification label label identifier adds transceiver to, and removes and the label identifier of the no longer related identification label of transceiver from the watch-list of transceiver。
In an embodiment of second aspect, this system also includes:
Processor, it is arranged to Applicative time synchronous protocol, in order to carry out synchronize by the local clock of transceiver with the server clock of server。
In an embodiment of second aspect, time synchronization protocol is arranged to adjust the local clock of transceiver, and carries out synchronize by the local clock of transceiver with the server clock of server。
In an embodiment of second aspect, identify that label is RFID tag。
In an embodiment of second aspect, RFID tag is active RFID tag, its active transmission signal of communication。
Accompanying drawing explanation
To with reference to accompanying drawing, embodiments of the present invention be described by way of example now, wherein:
Fig. 1 illustrates the identification label control system according to one embodiment of the present invention；
Fig. 2 illustrate according to one embodiment of the present invention, be arranged to control Fig. 1 identify label control system different control protocols；
Fig. 3 A illustrates according to one embodiment of the present invention, Fig. 1 server identifying label control system；
Fig. 3 B illustrates according to one embodiment of the present invention, Fig. 1 identification tag reader identifying label control system；
Fig. 3 C illustrates according to one embodiment of the present invention, Fig. 1 identification label identifying label control system；
Fig. 4 illustrates according to one embodiment of the present invention, the flow chart that is arranged to (for the identify tag reader) anticollision protocol identifying label control system controlling Fig. 1；
Fig. 5 illustrates according to one embodiment of the present invention, the flow chart that is arranged to (for the identify label) anticollision protocol identifying label control system controlling Fig. 1；
Fig. 6 illustrates according to one embodiment of the present invention, the flow chart that is arranged to (for identify label) the frequency error factor agreement identifying label control system controlling Fig. 1；
Fig. 7 illustrate according to one embodiment of the present invention, be arranged to control Fig. 1 identify that (for identify tag reader) watch-list of label control system updates the flow chart of agreement；
Fig. 8 illustrate according to one embodiment of the present invention, be arranged to control Fig. 1 identify label control system (for server) watch-list update agreement flow chart；And
Fig. 9 illustrates according to one embodiment of the present invention, the flow chart that is arranged to (for the identify tag reader) clock synchronization protocol identifying label control system controlling Fig. 1。
Detailed description of the invention
With reference to Fig. 1, illustrated therein is an embodiment identifying label control system, this identification label control system includes server, and this server communicates with multiple identification tag readers, and each identification tag reader so that with multiple identification label communications。
In identification label control system 100 as shown in Figure 1, the server 102 communicated with multiple reading device/transceivers 104 is arranged to the action of the change in monitoring reading device 104 and real time coordination reading device 104。In one embodiment, the communication link 106 between server 102 and reading device 104 can be Wireline or wireless。Especially, Computer Networking (such as Ethernet) can be used as the communication link 106 between server 102 and reading device 104。In some embodiments, more than one server can be arranged to communicate with reading device 104 and monitor reading device 104。In one embodiment, server 102 also can communicate with application server system (not shown), for further processing and storage。Such as, this application server system can be used for processing and identifies label event, store data long term and provide interface etc. to system manager。
Identification tag reader 104 as shown in Figure 1 is also arranged to communicate with multiple identification labels 108。Especially, reading device 104 is arranged to and identifies that label 108 communicates and identifying trunk information between label 108 and server 102。Preferably, reading device 104 is installed equably in the environment and is distributed so that monitoring identifies label 108。In a preferred embodiment, each reading device 104 monitor in its communication range, its monitoring region 110 in multiple identification labels 108。In another embodiment, each reading device 104 is responsible for monitoring one certain types of identification label 108。In a preferred embodiment, each reading device 104 can have watch-list, and this watch-list includes the label identifier identifying label 108 to monitor。In general, reading device 104 can be arranged through wire communication or radio communication and communicates with multiple identification labels 108。Preferably, the communication 112 between reading device 104 and identification label 108 is wireless。
Preferably, the server 102 in the present invention can be any type of computer server or computer system。In the present invention, server 102 can be information processing system, and it is operable to calculate, transmit, receive, record, store, detect, process and/or process any type of information, data and information。Such as, information processing system can be computer, mobile computing device, the network storage equipment or the process equipment of the out of Memory with variously-shaped, size, function and structure。Preferably, server 102 includes memorizer, processing module, hardware/software control logic device or similar device for processing and process information。
In the present invention, identifying that tag reader 104 can be any kind of computing system or equipment, it is operable to receive and to transmit data and information。Preferably, reading device 104 comprises the steps that communication module, and it is operable with reception and transmission information and data；And, processor, it is operable to process, store, detect, to process received any type of information and data。In the present invention, reading device 104 can have antenna, and this antenna is operable to receive and transmitting radio frequency signal。Reading device 104 also can have the interlock circuit for processing information and/or module。Such as, reading device can be RFID tag reading device。It is noted, however, that reading device 104 can be any other type of information processing system, it can have different shape, size, function and structure and be made without departing from the scope of the present invention。
The identification label 108 of the present invention can be the storage of any kind of data or communication system。Such as, identifying that label 108 can be mobile computing or communication equipment, it can have various shape, size, function and structure。Such as, identify that label can be RFID tag。Preferably, identification label 108 as shown in Figure 1 is RFID tag, and it can be active or passive。It is highly preferred that RFID tag is anti-tamper (tamper-proof)。In one embodiment, identify that label 108 can have different working condition。Such as, identify that the working condition of label 108 can be normal, that be tampered, separate or low electricity。Preferably, identify that label 108 is arranged to more frequently being communicate with reading device 104 under working condition that is that be tampered or that separate。In some embodiments, identify that label 108 can also have other working condition。In some embodiments, identify that label 108 can communicate in a continuous manner or termly with reading device 104。In a preferred embodiment, identifying that label 108 is active RFID tag, it regularly initiates the communication with reading device 104 on one's own initiative。It is highly preferred that label 108 is arranged between communication to reduce operator scheme (namely operating the pattern of minimizing) or to work with sleep pattern, for saving electric power。
With reference now to Fig. 2, illustrated therein is the embodiment of control protocol 200, this control protocol 200 is arranged to control the identification label control system 100 of Fig. 1。These control protocols include anticollision protocol 202, frequency error factor agreement 204, report time table function 206, watch-list renewal agreement 208 and time synchronization protocol 210。In simple terms, application anticollision protocol 202 can prevent having more than one reading device 104 to communicate with identical identification label 108 when communication every time。Frequency error factor agreement 204 is arranged to change the frequency of the signal of communication transmitted by identification label 108。Report time table function 206 is arranged to prevent more than one identifying, and label 108 communicates with identical reading device 104 simultaneously。Watch-list updates agreement 208 and is arranged to update the watch-list identifying tag reader 104。The clock of reading device 104 and server 102 can be synchronized by Applicative time synchronous protocol 210。Each in these agreements will be discussed in further detail below。
By these control protocols 200 are applied to system 100, it is possible to reduce the chance that signal conflict and channel mutual interference occur within system 100。Additionally, agreement 200 provides the data-handling capacity of enhancing to system 100, this is because data more can communicate added with system and organized mode and process。Generally speaking, this contributes to improving the efficiency identifying label control system 100 and effectiveness。
Fig. 3 A, Fig. 3 B and Fig. 3 C illustrate server 102 in an embodiment of the invention, reading device 104 and identify the disparate modules of label 108。
Embodiment according to server 102 as shown in Figure 3A, server 102 includes controller 302, server clock module 304 and communication module 306。Preferably, the controller 302 of server 102 includes processor, and it is arranged to management and identifies label control system 100。In one embodiment, controller 302 is arranged to the change in the watch-list of monitoring reading device 104 and updates the watch-list of reading device 104。Preferably, the renewal of watch-list performs in a dynamic fashion。In some embodiments, controller 302 also may be disposed to monitoring and updates the clock of reading device 104, thus the clock of reading device 104 is Tong Bu with the clock of server 102。Preferably, this clock synchronizes to be performed on a regular basis。In one embodiment, the controller 302 of server 102 can be arranged to process the order from application server module (not shown), and fetch data from memory module (not shown) or store data into memory module。
In one embodiment, the server clock module 304 of server 102 includes server clock, its master clock being taken as identifying label control system 100。The clock of reading device 104 is adjusted to and mates with this server clock so that this control system 100 works in a synchronous manner。
The communication module 306 of server 102 is arranged through wired or wireless communication and communicates (transmission and reception signal of communication) with multiple reading devices 104。Preferably, the communication 106 between server 102 and reading device 104 is performed by Ethernet。In one embodiment, communication module 306 also can relay the communication between the disparate modules of server 102。In some embodiments, communication module 306 is operable to order to the transmission of external application servers (not shown), and receives order from external application servers。In one embodiment, the communication module 306 of server 102 is arranged to receive and transmit the signal of communication of different frequency。In other embodiments, available other techniques available (such as Ethernet) being made without frequency error factor of communication module 306 communicates 106。Additionally, the signal of communication transmitted from the communication module 306 at server 102 and the signal of communication that receives on the communication module 306 of server 102 can be encryption or not encrypt。
Although not clearly illustrating in figure 3 a, it is noted that, server 102 in the embodiment of Fig. 3 A may also include memory module, user interface, power module or other extra functional or structural module any, and this other extra functional or structural module is arranged to promote monitoring reading device and identify that label is made without departing from the scope of the present invention。Additionally, in some other embodiments, it is outside that the disparate modules of server 102 can be combined or be placed in server 102。
Embodiment according to reading device/transceiver 104 as shown in Figure 3 B, reading device 104 includes: watch-list 312, reading device matching identification symbol 314, processor 316, clock 318 and communication module 320。Preferably, the watch-list 312 of reading device 104 includes being read the multiple label identifier identifying label 108 that device 104 is monitored。More preferably, the watch-list 312 of reading device 104 is dynamically updated, so that be newly linked together with reading device 104, identify that the label identifier of label 108 is added to watch-list 312, and no longer monitored by reading device 104, old label identifier entry removes from watch-list 312 to identify label 108。In some other embodiments, label identifier can be stored in other storage arrangement any being associated with reading device 104。The details that watch-list updates will be described below。In one embodiment, reading device 104 is arranged to only just response signal transmission extremely be identified label 108 when the label identifier of identification label 108 is in the watch-list 312 of reading device 104。
In a preferred embodiment, each reading device 104 includes reading device matching identification symbol 314, and it is used for solving conflict。Especially, reading device matching identification symbol 314 can compare with the tag match code-phase identifying label 108, in order to determines whether reading device 104 should by response signal transmission to identifying label 108。Preferably, response signal transmission is only just extremely identified label 108 when reading device matching identification accords with 314 coupling tag match code by reading device 104。
In one embodiment, reading device 104 includes processor 316, and it is for processing from server 102 and identifying the signal of communication that label 108 receives。Preferably, processor 316 is arranged to determine that the label identifier identifying label 108 is whether at the watch-list 312 of reading device 104。Additionally, processor 316 can be arranged to determine whether the tag match code identifying label 108 accords with 314 with the reading device matching identification of reading device 104 and mate。In some embodiments, processor 312 can be further arranged into the clock of adjustment reading device 104 thus carrying out synchronize by reading device clock 318 with server clock 304。Preferably, processor is arranged to keep the timetable about the different report times identifying label 108。In one embodiment, processor 316 is also arranged to determine the information included in the control signal, and this control signal is in response to from identifying that label 108 receives signal of communication and is transferred to identification label 108。Preferably, this information may include but be not limited to: identify the Next Report time of label, label wakeup time, to the receptions confirmation request of label, reading device address, specifying will the channel information of tag channel of use and parameter change order in upper once transmission, this parameter change order includes parameter change information, for instance identifies the power mode of label and identifies the signal transmission frequencies of label。
Preferably, each reading device 104 also includes clock module 318, and this clock module has the clock Tong Bu with server clock 304, so that server clock 304 and reading device clock 318 all remain synchronized with each other at any time。This can aid in and prevents the system failure and signal mutual interference occur in identifying label control system 100。
As shown in Figure 3 B, each reading device 104 includes communication module 320, and this communication module is arranged to communication signal transmissions to identifying label 108 and server 102, and from identifying that label 108 and server 102 receive signal of communication。In general, signal of communication can pass through wire communication or wireless communication transmissions and transmits to reading device 104 or from reading device 104。Preferably, the communication 106 between server 102 and reading device 104 is performed by Ethernet, and is performed by wireless link at reading device 104 and the communication 112 identified between label 108。In one embodiment, the communication module 320 of reading device 104 also reconciles the communication between (mediate) disparate modules in reading device 104。In a preferred embodiment, the communication module 320 of reading device 104 is arranged to receive and transmit the signal with different frequency。Owing to reading device 104 is likely to need all frequencies of monitoring label 108, in one embodiment, the communication module 320 of reading device 104 includes multiple communication module subelement。These communication module subelements allow communication module 320 to communicate with all possible predetermined frequency and label in all possible channel。Preferably, multiple communication module subelements (it is arranged to receive signal of communication from label 108 and transmit signal of communication from reading device 104) concurrent working, and be included in communication module 320。Additionally, the signal of communication transmitted from the communication module 320 of reading device 104 and the signal of communication that receives on the communication module 320 of reading device 104 can be encryption or not encrypt。
Although not illustrating in figure 3b, it is noted that, reading device 104 in the embodiment of Fig. 3 B may also include memory module, user interface, power module or other extra functional or structural module any, and this other extra functional or structural module is arranged to promote to identify that label is made without departing from the scope of the present invention with the communication of server and monitoring。Additionally, in other other embodiment, the disparate modules of reading device 104 can be combined or be placed in the outside of reading device 104。
Fig. 3 C illustrates the embodiment identifying label 108, identifies that label 108 includes label identifier 332, tag match code list 334, clock module 336, frequency error factor list 338, processor 340 and communication module 342。Preferably, each identification label 108 has unique label identifier 332。In one embodiment, label identifier 332 includes in the signal of communication being transferred to reading device 104 for solving conflict。On reading device 104, the watch-list data base 312 of the label identifier 332 received with reading device 104 is compared。Preferably, the reading device 104 only with the watch-list 312 of the label identifier that the label identifier 332 included and receive matches can respond from the signal of communication identifying label 108 transmission。
In one embodiment, identifying that label 108 can include tag match code list 334, this tag match code list 334 has multiple predetermined tag match code。Preferably, tag match code includes in the signal of communication being transferred to reading device 104 for solving conflict。Preferably, on reading device 104, the reading device matching identification symbol 314 of tag match code with reading device 104 is compared。In a preferred embodiment, only after the reading device matching identification of the tag match code with reading device 104 that identify label 108 accords with 314 successful match, response signal is just transmitted to identifying label 108 from reading device 104。In one embodiment, if identifying that label 108 fails to receive any response signal from any reading device 104 in predetermined time range, then identify that the tag match code of label 108 will change according to tag match code list 334。In this case, identify that label 108 can of short duration enter and reduce operator scheme or sleep pattern, and wake up to use the signal of communication with different tag match codes that signal of communication is re-transmitted to reading device 104。In other embodiments, no matter whether transmission success to be, tag match code in each transmission attempt be can change or can be immovable。
Identify that label 108 also includes clock module 336。In one embodiment, the clock module 336 of label 108 is arranged to determine the length of one's sleep identifying label 108 and wakeup time。Preferably, identify that label 108 is only during the transmission or wake up during report time scope, otherwise just maintain minimizing mode of operation or sleep state。In a preferred embodiment, the response signal sent to label 108 from reading device 104 includes and report cycle identifying label 108 and waking up or information that the length of one's sleep is relevant。Preferably, the different clocks 336 identifying label 108 all maintains synchronization in all moment。
As shown in Figure 3 C, identifying that label 108 also includes frequency error factor list 338, this frequency error factor list 338 includes multiple predetermined transmission frequency, and these transmission frequencies are used for the signal of communication to reading device 104 to be transmitted。Such as, in one embodiment, the signal of communication being transferred to reading device 104 can have first frequency。When failing to receive any response signal from any reading device 104, the frequency of the signal of communication used in follow-up resending can switch sequence according to the preset frequency in frequency error factor list 338 and switch。In other embodiments, no matter whether response signal is successfully received, and the frequency carrying out the signal of communication of self-identifying label 108 can be switched or can not be switched。Preferably, each identification label 108 has unique frequency hop sequences, so that do not identify the label 108 signal of communication at identical time tranfer same frequency。Preferably, the frequency transmitting signal can be any frequency。
Identify that label 108 may also include processor 340。Identify that the processor 340 of label 108 can be arranged to determine to include in the information to the signal of communication of reading device 104 to be transmitted。In one embodiment, this information includes: tag addresses, retransmission count, the working condition of label, the charge level of label, tag types and some other encrypted or not encrypted and that identify that label is associated message and information。Preferably, identify that the processor 340 of label 108 is arranged to switch the transmission frequency from the signal of communication identifying label 108 transmission according to predetermined frequency error factor sequence。Processor 340 is preferably arranged to switch the tag match code from the signal of communication identifying label 108 transmission。In some embodiments, processor 340 is arranged in when receiving response signal from reading device 104 to determine response action or other relevant action。
In a preferred embodiment, identify that label 108 also includes communication module 342。Especially, identify that the communication module 342 of label 108 is arranged to communication signal transmissions to reading device 104 and receives signal of communication from reading device 104。In one embodiment, communication module 342 includes multiple communication channel, and it is arranged to the signal of communication of transmission different frequency。In other embodiments, communication channel can separate with communication module 342 but be affected by communication module subelement and control。Preferably, communication module subelement can use a communication channel transmit and receive signal a time。Communication module subelement can be programmed to switch communication channel and/or frequency。Preferably, this handoff procedure takies the relatively short time period, for instance microsecond。In a preferred embodiment, communication module subelement includes in the communication module 342 of label 108, and label 108 with single frequency transmission a time and will receive signal and allow switching frequency。In general, signal of communication can be transferred to identification label 108 and from identifying that label 108 transmits by wired or wireless communication。Preferably, undertaken by wireless link at reading device 104 and the communication 112 identified between label 108。In one embodiment, identify that the communication module 342 of label 108 also reconciles the communication between the disparate modules in label 108。Additionally, can be encryption from signal of communication and the signal of communication received on the communication module 342 identifying label 108 of communication module 342 transmission identifying label 108 or not encrypt。
Although not being shown specifically in fig. 3 c, but it is to be understood that, in the embodiment of Fig. 3 C, identifying that label 108 may also include memory module, antenna, power module or other extra functional or structural module any, this other extra functional or structural module is arranged to promote to communicate with reading device 104 to be made without departing from the scope of the present invention。Additionally, in other other embodiment, identify that the disparate modules of label 108 can be combined。
In one embodiment, the general operation identifying label control system 100 of Fig. 1 is as follows。First, identify label 108 at different interval actively by communication signal transmissions to one or more reading devices 104。Label identifier 332, tag match code and other and the identification information that is associated of label 108 is included from the signal of communication identifying label 108 transmission。Preferably, one or more reading devices 104 are arrived from the signal of communication identifying label 108 transmission according to the detection range of the position and reading device 104 that identify label 108 with characteristic frequency。From when identifying that label 108 receives signal of communication, these one or more reading devices 104 determine whether response signal transmission to identifying label 108。Especially, one or more reading devices 104 only have a reading device to be responsible for response signal transmission to identifying label 108。The determination of the reading device 104 for transmission response signal is based on anticollision protocol 202, and it will be described below。After determining the reading device 104 being responsible for response signal transmission to identification label 108, this reading device 104 will include the response signal transmission of Next Report time and other communication instruction or information to identifying label 108。In one embodiment, after receiving response signal from reading device 104, identify that label 108 enters and reduce mode of operation or sleep state, and wait until that the next transmission time wakes up and by communication signal transmissions to reading device 104。In some embodiments, after receiving response signal from reading device 104, identify that label 108 can by other communication signal transmissions to reading device 104。In whole communication process, reading device 104 relays and is identifying the information of exchange between label 108 and server 102, thus allowing to identify that label control system 100 is by systematic and be operated in the way of being well controlled。In some embodiments, identify that label control system 100 is additionally subjected to the control of other control protocol to manage the information of exchange in system 100。
Turning now to Fig. 4 and Fig. 5, it illustrates the embodiment of anticollision protocol 202, this anticollision protocol 202 is applied to and transmits the signal of communication to one or more transceivers 104 from each identification label 108, these one or more transceivers 104 are arranged to from identifying that label 108 receives signal of communication, and wherein anticollision protocol 202 is arranged to prevent transceiver more than one in these one or more transceivers 104 from communicating in predetermined time range with any one of identification label 108。
Fig. 4 illustrates the embodiment of the operation of the anticollision protocol 202 being applied on reading device 104。First, in step 402, reading device 104 receive include label identifier 332 and tag match code, with characteristic frequency from the report signal identifying label 108 transmission。In some embodiments, may also include following information from the report signal of label 108 transmission, for instance the mode of operation relevant to identifying label 108 and working condition。Then, in step 404, after receiving report signal from identification label 108, reading device 104 determines that the label identifier 332 from the report signal of label 108 transmission is whether in the watch-list 312 of reading device 104。If the label identifier of report signal 332 is in the watch-list 312 of reading device 104, then as shown at step 406, reading device is subsequently by control signal transmission to identification label 108。In one embodiment, this control signal can include Next Report time, the address of reading device or foregoing information。
If the label identifier of report signal 332 is not in the watch-list 312 of reading device 104, then reading device then proceeds to whether step 408 mates the reading device matching identification symbol 314 of reading device 104 with the tag match code determining report signal。If the reading device matching identification symbol 314 of the tag match code coupling reading device 104 of report signal, then as shown at step 406, reading device is subsequently by control signal transmission to identification label 108。But, if the tag match code of report signal does not mate the reading device matching identification symbol 314 of reading device 104, then this reading device 104 will not respond from the report signal identifying that label 108 receives。In some embodiments, tag match code and reading device matching identification accord with 314 mate and can perform before label identifier 332 is whether in reading device watch-list 312 determining。In other words, in the embodiment of anticollision protocol 202 being applied to reading device 104, step 404 and step 408 are interchangeable under。
Fig. 5 illustrates the embodiment of the operation being applied to the anticollision protocol 202 identified on label 108。First, in step 502, identify label 108 by include label identifier 332 and tag match code, with the report signal transmission of characteristic frequency transmission to one or more reading devices 104。In some embodiments, the report signal being transferred to reading device 104 may also include following information, for instance with the mode of operation and working condition that identify that label 108 is associated。In step 504, after by communication signal transmissions to reading device 104, identify that label 108 waits and determine whether within a time period from one or more reading devices 104 one is successfully received control signal。If successfully have received control signal from reading device 104 within this time period, then according to step 506, identifying that label 108 enters and reducing mode of operation or sleep state, and waiting until that the Next Report cycle wakes up and transmits report signal。Preferably, the control signal received from reading device 104 includes the information relevant with herein below, i.e. the Next Report time of label, reading device address or other foregoing information any。
Failing to be successfully received control signal within this time period, then as shown in stage 508, identify that label 108 enters minimizing mode of operation momently。In step 510, identify that label 108 changes the tag match code of report signal subsequently according to predetermined tag match code switching sequence。After the short wait time period, identify that the report signal with different tag match codes is re-transmitted to reading device 104 by label 108。In some embodiments, identify that label 108 can resend the report signal with different tag match codes according to tag match code list 334 to carry out unlimited retrying, till receiving control signal from reading device 104。At some in other embodiment, identify that label 108 can carry out retrying of finite number of time, and if reached maximum reattempt times still without being successfully received control signal, then identify that label 108 can enter minimizing mode of operation or sleep state。
Anticollision protocol 202 is applied to system 100 and significantly reduces the chance that two or more reading devices 104 communicate with identical identification label 108 simultaneously。The special advantage of this layout is in that, it is possible to minimize within system 100 the chance that (particularly identifying on label 108 and reading device 104) occurs signal mutual interference and signal to block up。Additionally, communication failure and subsequent retries within system 100 can be further reduced。On the whole, the information processing capability of system 100 and reliability can be modified along with system response time and data transmission rate and strengthen to some extent。
Turning now to Fig. 6, illustrated therein is the embodiment of the operation of frequency error factor agreement 204, this frequency error factor agreement 204 is applied to when receiving control signal for one failed from these one or more transceivers 104, changes the frequency from the signal of communication identifying label 108 transmission in different transmission attempts。
Shown in step 602 in Fig. 6, identify that first report signal is transmitted to one or more reading devices 104 by label 108 with characteristic frequency。In step 604, identify one that label 108 then determines whether within a time period from reading device 104 and be successfully received control signal。If one from reading device 104 is successfully received control signal, then identifies that label 108 enters step 606, enter and reduce mode of operation or sleep state, and wait until that the Next Report cycle is so that by communication signal transmissions to reading device 104。
If identifying that label 108 fails to respond in from reading device 104, communication signal transmissions is received control signal to reading device 104, then as shown by step 608, identify that label 108 enters minimizing mode of operation momently, and the transmission frequency of handover report signal as indicated in step 610, is carried out according to predetermined frequency error factor sequence。Therefore, identify that report signal is transmitted to reading device 104 with different frequencies by label 108, and wait the response from reading device 104。In some embodiments, identify that label 108 can resend report signal according to the frequency error factor list 338 of label 108 with different frequencies, to carry out unlimited retrying till receiving control signal from reading device 104。At some in other embodiment, identify that label 108 can carry out retrying of finite number of time, and if reach maximum reattempt times and resend still without being successfully completed, then identify that label 108 can enter minimizing mode of operation or sleep state。
In one embodiment, further report time table function 206 is applied to the identification label 108 relevant to transceiver 104, in order to label 108 communicated with transceiver 104 in the identical time period to prevent more than one identifying。Preferably, this report timetable function 206 is arranged to prevent relevant to transceiver 104, more than one identification label 108 in the identical time period by communication signal transmissions to transceiver 104。In a preferred embodiment, relevant from transceiver 104, different identification label 108 is arranged in the different time periods by communication signal transmissions to transceiver 104。In one embodiment, the timetable of report time is preferably read the monitoring of device 104, and by the management of server 102。By preventing more than one identifying, label 108 communicated with transceiver 104 in the identical time period, occurred the chance of channel mutual interference or signal conflict can obviously reduce in identifying label control system 100。
With reference now to Fig. 7 and Fig. 8, it illustrates watch-list and update agreement 208, this watch-list updates agreement 208 and is applied to transceiver 104 to update the watch-list 312 of transceiver 104。Especially, watch-list updates agreement 208 and is arranged to add the label identifier 332 that identify label 108 relevant to transceiver 104 to the watch-list 312 of transceiver 104, and removes no longer relevant to transceiver 104 label identifier 332 identifying label 108 from the watch-list 312 of transceiver 104。
Fig. 7 illustrates that the watch-list being applied to reading device 104 updates the embodiment of the operation of agreement 208。In step 702, control signal being transmitted to identification label 108 in response to receiving report signal from label 108, reading device 104 determines that the label identifier 332 identifying label 108 receiving control signal is whether in its watch-list 312。If the label identifier 332 of label 108 is in the watch-list 312 of reading device 104, then reading device 104 will no longer take further action。But, if the label identifier 332 of label 108 is not at the beginning in the watch-list 312 of reading device 104, then as shown in step 704, reading device 104 will add the label identifier 332 identifying label 108 in its watch-list 312 to。In some embodiments, reading device 104 will perform certification or the inspection of label 108 based on label identifier 332 or any out of Memory relevant to label 108, determines whether label identifier 332 to be added in its watch-list 312。
Fig. 8 illustrates that the watch-list being applied to server 102 updates the embodiment of the operation of agreement 208。In this embodiment, as shown in step 802, server 102 is operable to detect the change in the watch-list 312 of reading device 104。Preferably, the detection of the change of watch-list 312 continuously performs in real time fashion。Such as, server 102 can detect that the label identifier 332 of in the watch-list 312 being newly added reading device 104。In step 804, server 102 is monitored and is recorded and is added in watch-list 312 any one label identifier 332。Subsequently in step 806, by inquiring about the entry of the label identifier 332 identifying label 108 in other watch-list 312 of other reading device 104, server 102 determines whether this label identifier 332 is associated with another watch-list 312 of another reading device 104 at the very start。If not finding the entry relevant to label identifier 332 in other watch-list 312, then server 102 will be regarded as label identifier 332 and be associated with the new identification label 108 in system 100, and server 102 will not update the watch-list 312 of other reading device 104 further。But, if server 102 determines that label identifier 332 is associated with another watch-list 312 of another reading device 104 at the very start, then the renewable watch-list 312 that be associated with the label identifier 332 identifying label 108 at the very start, reading device 104 of server 102。As shown in element 808, this is to realize by removing label identifier entry from the original tag watch-list 312 of original reading device 104。
Update in the embodiment of agreement 208 at watch-list as shown in Figure 7 and Figure 8, new label identifier 332 is added to what watch-list 312 was preferably performed by reading device 104, old label identifier entry is removed from watch-list 312, server 102 performs。But, in other embodiments, only use server 102, only use reading device 104 or use server 102 and reading device 104 both can be arranged through in the watch-list 312 of reading device 104 add or remove label identifier entry to update the watch-list 312 of reading device 104。Preferably, about identifying that the record that the watch-list of label control system 100 updates is retained on reading device 104 or server 102, for the label identifier 332 that identification is updated most frequent。
With reference now to Fig. 9, it illustrates the embodiment of time synchronization protocol 210, this time synchronization protocol 210 is for carrying out synchronize by the local clock 318 of transceiver 104 with the server clock 304 of server 102。Especially, time synchronization protocol 210 is arranged to regulate the local clock 318 of transceiver 104, and carries out synchronize by the local clock 318 of transceiver 104 with the server clock 304 of server 102。
Fig. 9 illustrates the embodiment of the operation of the clock synchronization protocol 210 being applied to reading device 104。Each in step 902, reading device 104 receives server clock synchronizing signal according to fixed time interval from server 102。Subsequently, in step 904, reading device 104 determines that whether the clock 318 of reading device 104 is synchronize with server clock 304。If the clock of reading device 318 is synchronize with server clock 304, then it is no longer necessary to any action。But, if the clock of reading device 318 is not synchronize with server clock 304, then as shown in step 906, reading device 104 regulates the clock 318 of reading device so that the clock 318 of reading device is synchronize with server clock 304。Preferably, server clock 304 and reading device clock 318 are synchronized enough frequent, so that server clock 304 is all consistent with reading device clock 318 at any time。In this embodiment, server clock 304 is used as reference clock。But, in other embodiments, the clock 318 of the reading device of in reading device 104 can be adopted as reference clock, and the clock 304 of the clock 318 of other reading device 104 and server 102 is adjusted to match the clock 318 of this specific reading device 104。
Although being presented above the detailed description of the different embodiments of the present invention, it is to be understood that, the system and method for the present invention and hierarchical system organization structure are compatible, wherein the method for the present invention can be used to exchange information in this hierarchical system organization structure application structure at the middle and upper levels。Upper layer application and/or extra features can as or can not as server, reading device or the part identifying label。
Being particularly advantageous in that of embodiments of the present invention, identifies that label control system includes substantial amounts of control protocol, and it is arranged to be operated in a complementary fashion, to promote to identify operation and the control of label control system。Especially, anticollision protocol can be effectively prevented more than one reading device and identify label communication。This avoids and occurs signal of communication to block up at the COM1 place identifying label。Additionally, when identifying that label is between the monitoring region of two or more reading devices, anticollision protocol can provide a kind of solution selecting to be responsible for the reading device for abstract factory。
Additionally, the frequency error factor agreement in the present invention improves, by transmitting signal of communication with different frequencies, the probability identifying that label and reading device carry out success communication。Additionally, use different communication frequencys can prevent in the same time frequency mutual interference from the various different signals identifying labels transmission。Additionally, frequency error factor agreement allows more identification labels in special time period and reading device communication。
Report time table function in the present invention allows the signal transmission from various identification labels to reading device to perform in an organized manner。Especially, each identification label being associated with reading device can communicate by the mode of timing and reading device。This potentially contributes to reduce communication failure in the communication module of reading device and mutual interference, and allows for more multi-tag and communicate with the reading device in system。
The watch-list of the present invention updates agreement and allows the watch-list of reading device to carry out real-time update。By doing so it is possible, reading device can respond identification label in time。Therefore, it is possible to reduce response signal to be transferred to the identical chance identifying label from different reading devices。
Finally, the clock of reading device and server is synchronized by time synchronization protocol。This allows to identify that label control system operates in consistent and organized mode, and thus minimizes system fault。
Except described above provided the advantage that by control protocol except, the present invention also allows for identifying label, carrying out efficient information exchange with the signal of communication of limited quantity between reading device and server。Therefore, the invention provides a kind of identification label control system, its response time with increase and the data transmission rate thus significantly improved。When identifying that label does not perform to communicate, identifying that label can with sleep pattern or minimizing mode of operation operation, this permission system has relatively low current needs and thus allows for reducing the power consumption identifying that label control system is overall。It addition, by the control protocol and the device that use various complementations, significantly reduce the chance clashed with the system failure。
Will also be appreciated that, the method and system of the present invention is to be entirely through computing system to realize or partly realized by computing system, therefore available any suitable computing system framework。It will include independent computer, network computer and special hardware。Being used herein term " computing system " and " computing equipment ", these terms are intended to any suitable layout covering the computer hardware being capable of this function。
Skilled artisans will appreciate that, can to such as making different changes and/or amendment without departing from the spirit or scope of the present invention being broadly described by the present invention shown in particular implementation。Therefore, embodiments of the present invention are considered as illustrative and not restrictive in all respects。
Unless stated otherwise, otherwise any reference to prior art contained herein is not construed as admitting that this information is as known general knowledge。

Claims (55)

1., for controlling the method identifying label in environment, said method comprising the steps of:
Anticollision protocol is applied to the signal of communication being transferred to one or more transceiver from each described identification label described environment, the one or more transceiver is arranged to receive described signal of communication from each described identification label, and wherein said anticollision protocol is arranged to prevent the more than one transceiver in the one or more transceiver from communicating with any one in described identification label in predetermined time range。
2. the method for claim 1, wherein said anticollision protocol is arranged to prevent the more than one transceiver in the one or more transceiver from response to receiving described signal of communication from described identification label, identification label being responded。
3. method as claimed in claim 2, control signal is transmitted to described identification label by wherein said one or more transceivers in response to receiving described signal of communication from described identification label。
4. method as claimed in claim 3, wherein the described signal of communication from the transmission of described identification label is report signal, and it reports the mode of operation of described identification label。
5. method as claimed in claim 4, wherein each report signal includes label identifier and the tag match code being associated with described identification label, and in the different transmission attempt of described report signal, described tag match code changes with predetermined sequence。
6. method as claimed in claim 5, wherein each transceiver includes transceiver matching identification symbol and watch-list, and described watch-list includes and the label identifier of the associated plurality of identification label of described transceiver。
7. method as claimed in claim 6, comprises the following steps:
By report signal from the transmission of described identification label to the one or more transceiver；And
In response to receiving described report signal, by control signal from the one or more transceiver transmission to described identification label。
8. method as claimed in claim 7, wherein said anticollision protocol comprises the following steps:
Receive described report signal in response to from described identification label, determine the transceiver for transmitting described control signal from the one or more transceiver。
9. method as claimed in claim 8, wherein receives described report signal in response to from described identification label, determines that from the one or more transceiver the step of transceiver for transmitting described control signal is further comprising the steps of:
Determine whether described identification label is associated with described transceiver by the label identifier of described report signal being compared to the label identifier in the watch-list of described transceiver；And
Select to include the transceiver with the watch-list of the label identifier matched with the label identifier of described report signal to transmit described control signal。
10. as claimed in claim 8 or 9 method, wherein receives described report signal in response to from described identification label, determines that from the one or more transceiver the step of transceiver for transmitting described control signal is further comprising the steps of:
Determine whether the tag match code of described report signal mates with described transceiver matching identification symbol；And
Select the transceiver with the transceiver matching identification symbol mated with described tag match code-phase to transmit described control signal。
11. the method as described in claim 9 or 10, further comprising the steps of:
When any one failing from the one or more transceiver receives described control signal, after a predetermined time period, the report signal with different tag match codes is again transmitted from described identification label。
12. the method as described in claim 9 or 10, further comprising the steps of:
When successfully from the one or more transceiver receives described control signal, make described identification label enter and reduce mode of operation。
13. method as claimed in claim 12, wherein said control signal includes the information relevant with the Next Report time of described identification label。
14. such as method in any one of the preceding claims wherein, wherein said predetermined time range is the time of each transmission attempt of described signal of communication。
15. such as method in any one of the preceding claims wherein, further comprising the steps of:
Applying frequency handoff protocol, in order to when receiving control signal for one failed from the one or more transceiver, changes the frequency of signal of communication described in different transmission attempts。
16. method as claimed in claim 15, wherein each identification label includes multiple transmission channel, and the plurality of transmission channel is arranged to different frequencies and predetermined frequency error factor sequence to transmit signal of communication。
17. method as claimed in claim 16, when wherein said frequency error factor agreement be arranged in failing from the one or more transceiver one receives control signal, switch the transmission frequency of the signal of communication of described identification label according to described predetermined frequency error factor sequence。
18. method as claimed in claim 17, wherein when failing from described transceiver to described control signal, described identification label enters and reduces mode of operation, and is resending described signal of communication after a predetermined period of time。
19. such as method in any one of the preceding claims wherein, further comprising the steps of:
Report time table function is applied to the described identification label being associated with transceiver, to prevent more than one identification label from communicating with transceiver in the identical time period。
20. method as claimed in claim 19, wherein said report time table function is arranged to prevent more than one identification label in the identical time period by communication signal transmissions to described transceiver。
21. method as claimed in claim 20, label is arranged to communication signal transmissions to described transceiver with the different time periods in different the identifying wherein being associated from described transceiver。
22. the method as according to any one of claim 13 to 21, further comprising the steps of:
Watch-list is updated agreement and is applied to described transceiver, to update the watch-list of described transceiver。
23. method as claimed in claim 22, wherein said watch-list updates agreement and is arranged to watch-list that be associated with transceiver, that identification label label identifier adds described transceiver to, and removes and the label identifier of the no longer related identification label of described transceiver from the watch-list of described transceiver。
24. method as claimed in claim 23, the identification label being wherein associated with described transceiver is the identification label from described transceiver control signal。
25. method as claimed in claim 24 to, wherein the label identifier identifying label being associated with described transceiver is added by described transceiver the watch-list of described transceiver。
26. method as claimed in claim 25, wherein it is arranged to the change detecting in the watch-list of described transceiver with the controller of described transceiver communication。
27. method as claimed in claim 26, wherein remove from the watch-list of described transceiver by described controller with the label identifier of the no longer related identification label of described transceiver。
28. such as system in any one of the preceding claims wherein, further comprising the steps of:
Applicative time synchronous protocol is to synchronize the local clock of described transceiver and the server clock of described server。
29. method as claimed in claim 28, wherein said time synchronization protocol is arranged to adjust the local clock of described transceiver, and carries out synchronize by the local clock of described transceiver with the server clock of described server。
30. such as system in any one of the preceding claims wherein, wherein said identification label is RFID tag。
31. method as claimed in claim 30, wherein said RFID tag is active RFID tag, its active transmission signal of communication。
32. for controlling the system identifying label in environment, including:
Processor, it is arranged to anticollision protocol is applied to the signal of communication being transferred to one or more transceiver from each described identification label described environment, the one or more transceiver is arranged to receive described signal of communication from each described identification label, and wherein said anticollision protocol is arranged to prevent the more than one transceiver in the one or more transceiver from communicating with any one in described identification label in predetermined time range。
33. system as claimed in claim 32, wherein said anticollision protocol is arranged to prevent the more than one transceiver in the one or more transceiver from response to receiving described signal of communication from described identification label, identification label being responded。
34. system as claimed in claim 33, control signal is transmitted to described identification label by wherein said one or more transceivers in response to receiving described signal of communication from described identification label。
35. system as claimed in claim 34, wherein the described signal of communication from the transmission of described identification label is report signal, and it reports the mode of operation of described identification label。
36. system as claimed in claim 35, wherein each report signal includes label identifier and the tag match code being associated with described identification label, and in the different transmission attempt of described report signal, described tag match code changes with predetermined sequence。
37. system as claimed in claim 36, wherein each transceiver includes transceiver matching identification symbol and watch-list, and described watch-list includes and the label identifier of the associated plurality of identification label of described transceiver。
38. system as claimed in claim 37, wherein:
Described identification label is arranged to report signal transmission to the one or more transceiver；And
In the one or more transceiver one is arranged in response to receiving described report signal by control signal transmission to described identification label。
39. system as claimed in claim 38, wherein said anticollision protocol is arranged to:
Receive described report signal in response to from described identification label, determine the transceiver for transmitting described control signal from the one or more transceiver。
40. system as claimed in claim 39, wherein said anticollision protocol is further arranged into:
Determine whether described identification label is associated with described transceiver by the label identifier of described report signal being compared to the label identifier in the watch-list of described transceiver；And
Select to include the transceiver with the watch-list of the label identifier matched with the label identifier of described report signal to transmit described control signal。
41. the system as described in claim 39 or 40, wherein said anticollision protocol is further arranged into:
Determine whether the tag match code of described report signal mates described transceiver matching identification symbol；And
Select the transceiver with the transceiver matching identification symbol mated with described tag match code-phase to transmit described control signal。
42. the system as described in claim 40 or 41, wherein said identification label is further arranged into when any one failing from the one or more transceiver receives described control signal, after the predetermined time period, transmission has the report signal of different tag match codes again。
43. the system as described in claim 40 or 41, wherein said identification label is further arranged into when successfully from the one or more transceiver receives described control signal, enters and reduces mode of operation。
44. system as claimed in claim 43, wherein said control signal includes the information relevant with the Next Report time of described identification label。
45. the system as according to any one of claim 32 to 44, wherein said predetermined time range is the time of each transmission attempt of described signal of communication。
46. the system as according to any one of claim 32 to 45, also include:
Processor, it is arranged to applying frequency handoff protocol, in order to when receiving control signal for one failed from the one or more transceiver, changes the frequency of signal of communication described in different transmission attempts。
47. system as claimed in claim 46, when wherein frequency error factor agreement be arranged in failing from the one or more transceiver one receives control signal, switch the transmission frequency of the signal of communication of described identification label according to predetermined frequency error factor sequence。
48. the system as according to any one of claim 32 to 47, also include:
Processor, it is arranged to report time table function is applied to the described identification label being associated with transceiver, thus preventing more than one described identification label from communicating with transceiver in the identical time period。
49. system as claimed in claim 48, wherein said report time table function is arranged to prevent more than one described identification label in the identical time period by communication signal transmissions to transceiver。
50. the system as according to any one of claim 44 to 49, also include:
Processor, it is arranged to that watch-list updates agreement and is applied to described transceiver, to update the watch-list of described transceiver。
51. system as claimed in claim 50, wherein said watch-list updates agreement and is arranged to watch-list that be associated with transceiver, that identification label label identifier adds described transceiver to, and removes and the label identifier of the no longer related identification label of described transceiver from the watch-list of described transceiver。
52. the system as according to any one of claim 32 to 51, also include:
Processor, it is arranged to Applicative time synchronous protocol, in order to carry out synchronize by the local clock of described transceiver with the server clock of described server。
53. system as claimed in claim 52, wherein said time synchronization protocol is arranged to adjust the local clock of described transceiver, and carries out synchronize by the local clock of described transceiver with the server clock of described server。
54. the system as according to any one of claim 32 to 53, wherein said identification label is RFID tag。
55. system as claimed in claim 54, wherein said RFID tag is active RFID tag, its active transmission signal of communication。
CN201380080703.3A 2013-09-03 2013-09-03 System and method for controlling identification label Active CN105706113B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/082874 WO2015032028A1 (en) 2013-09-03 2013-09-03 System and method for controlling identification tags

Publications (2)

Publication Number Publication Date
CN105706113A true CN105706113A (en) 2016-06-22
CN105706113B CN105706113B (en) 2019-02-12

Family

ID=52627674

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380080703.3A Active CN105706113B (en) 2013-09-03 2013-09-03 System and method for controlling identification label

Country Status (2)

Country Link
CN (1) CN105706113B (en)
WO (1) WO2015032028A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111667607A (en) * 2019-03-07 2020-09-15 物流及供应链多元技术研发中心有限公司 Locking device for logistics management, control system for locking device and method for controlling locking device
WO2024067381A1 (en) * 2022-09-27 2024-04-04 Qualcomm Incorporated Extension of a data channel application id with a data channel tag

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109548122A (en) * 2018-12-11 2019-03-29 深圳市联智物联网科技有限公司 A kind of fast wake-up method suitable for full duplex base station

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1790366A (en) * 2005-12-28 2006-06-21 北京邮电大学 Conflict preventing method for multiple electronic label detection for RFID system
CN1924883A (en) * 2005-08-31 2007-03-07 中国科学院计算技术研究所 Solution for multiple labels collision in RF recognition system
US20070164850A1 (en) * 2003-12-19 2007-07-19 Robert Spindler Sychronization during anti-collision
CN101390109A (en) * 2006-01-12 2009-03-18 D&S技术株式会社 Method of preventing collisions between rfid readers in rfid system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060290473A1 (en) * 2005-06-27 2006-12-28 Honeywell International Inc. ID tags with Frequency diversity
CN101833683A (en) * 2010-04-08 2010-09-15 天马微电子股份有限公司 Electronic label system and working method thereof
CN103258220B (en) * 2013-05-02 2016-03-09 无锡昶达信息技术有限公司 A kind of read write line collision-proof method for radio-frequency recognition system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070164850A1 (en) * 2003-12-19 2007-07-19 Robert Spindler Sychronization during anti-collision
CN1924883A (en) * 2005-08-31 2007-03-07 中国科学院计算技术研究所 Solution for multiple labels collision in RF recognition system
CN1790366A (en) * 2005-12-28 2006-06-21 北京邮电大学 Conflict preventing method for multiple electronic label detection for RFID system
CN101390109A (en) * 2006-01-12 2009-03-18 D&S技术株式会社 Method of preventing collisions between rfid readers in rfid system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111667607A (en) * 2019-03-07 2020-09-15 物流及供应链多元技术研发中心有限公司 Locking device for logistics management, control system for locking device and method for controlling locking device
WO2024067381A1 (en) * 2022-09-27 2024-04-04 Qualcomm Incorporated Extension of a data channel application id with a data channel tag

Also Published As

Publication number Publication date
WO2015032028A1 (en) 2015-03-12
CN105706113B (en) 2019-02-12

Similar Documents

Publication Publication Date Title
KR100714274B1 (en) System for managing semiconductor manufacture equipment
US20070046467A1 (en) System and method for RFID reader to reader communication
JP4910629B2 (en) Information access system, read / write device, and active contactless information storage device
CN101810036B (en) RFID based network admission control
EP2667519A1 (en) Bluetooth connection method
US20070176748A1 (en) Method and Device for Radiofrequency Communication
KR20110004326A (en) Data transfer with wirelessly powered communication devices
EP3108408B1 (en) Tag clusters for silent tags
CN101647028B (en) Method for establishing a wireless communication connection between an automation component and a mobile operating terminal
US20120256728A1 (en) Hierarchical fast collection procedure
US11419175B2 (en) Reconstructing a personal area network or system after a failure in the network or system
US20070187497A1 (en) Channel search method and communication apparatus using the same
CN105706113A (en) System and method for controlling identification tags
CN101739575A (en) Data processing method for multi-hardware equipment centralized management in radio frequency identification system
CN106412804A (en) Bidirectional communication system for logistics tracking
CN107908992B (en) Power system network security method and system based on identity recognition
Xiaoguang et al. The research of network architecture in warehouse management system based on RFID and WSN integration
US8787891B2 (en) Base station apparatus, terminal apparatus, and communication method
Floerkemeier et al. RFID applications: interfacing with readers
EP1929796A2 (en) System and method for rfid reader to reader communication
JP5251110B2 (en) Information access system, information device, read / write device, and program
CN106572429A (en) Bidirectional communication system for logistics tracking
KR100765097B1 (en) Transmitting and receiving system of radio frequency identification
KR20070094325A (en) System of radio frequency identification and cummunication method of radio frequency identification
WO2023092945A1 (en) Communication method, node, device, communication system, and storage medium

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1226176

Country of ref document: HK

GR01 Patent grant
GR01 Patent grant