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WO2013013706A1 - Procédé d'échange sans fil de données ainsi qu'appareil d'accès pour accéder à une mémoire de données - Google Patents

Procédé d'échange sans fil de données ainsi qu'appareil d'accès pour accéder à une mémoire de données Download PDF

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Publication number
WO2013013706A1
WO2013013706A1 PCT/EP2011/062809 EP2011062809W WO2013013706A1 WO 2013013706 A1 WO2013013706 A1 WO 2013013706A1 EP 2011062809 W EP2011062809 W EP 2011062809W WO 2013013706 A1 WO2013013706 A1 WO 2013013706A1
Authority
WO
WIPO (PCT)
Prior art keywords
data
access
memory
data memory
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.)
Ceased
Application number
PCT/EP2011/062809
Other languages
German (de)
English (en)
Inventor
Thomas Grosch
Bruno Kiesel
Patrick SCHULZ
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to PCT/EP2011/062809 priority Critical patent/WO2013013706A1/fr
Publication of WO2013013706A1 publication Critical patent/WO2013013706A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/04—Scheduled access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks

Definitions

  • Access device for accessing a data store
  • the invention relates to a method for the direct wireless transmission of memory data between a
  • the invention also relates to an access device for the immediate wireless exchange of memory data with a data memory.
  • a data storage means in particular, a mobile RFID data storage (RFID - Radio Frequency Identification).
  • RFID Radio Frequency Identification
  • the data store may also be another data store
  • An access device can be a read device for
  • Data memory or a read-write device with the latter memory data can be stored both in the data memory and read from this.
  • the transmission signal of the further access device forms in such a case for that already with the data memory
  • CSMA Carrier Sense Media Access
  • An additional problem is that an access device, even with very weakly recognized signals from another access device, changes channel and then pauses, i. even a remote access device can very easily disturb the local communication.
  • the method according to the invention makes it possible for a plurality of access devices to exchange storage data directly with a data memory wirelessly, that is to say each of them
  • Access devices can be over a wireless
  • the access devices tune their respective access behavior to the data memory. For this purpose they exchange communication data with a coordination device. This is not the data store itself, but a different device.
  • Surrounding the data memory is meant here the area in which two access devices must not simultaneously send out a signal for the data memory, if a fault is to be avoided.
  • Communication interface is coordinated between the participating access devices and the
  • Communication interface of the coordination device thus exists in parallel and independent of the individual productive data connections that are possible between the data memory on the one hand and the access devices on the other hand.
  • the access devices are via the coordination interface of the coordinator (independent of the
  • Data storage such as mobile RFID data carriers (English: RFID tag or RFID transponder).
  • the order in which the access devices successively access the data memory can be defined at any time access.
  • Another advantage is that in the inventive method to the existing protocols for the productive data exchange, ie the exchange of memory data between the data memory and one of the access devices, no extensions or
  • the access devices exchange the
  • the coordination device is provided by one or more of the access devices themselves or by corresponding devices in all access devices
  • the coordination device can thus be distributed to the access devices.
  • An exchange of communication data between the access devices is then to be understood as meaning that an access device exchanges the data necessary for the coordination of the access behavior with a component of the coordination device which is located in at least one of the other access devices.
  • development of the invention can also be, for example, that one of the access devices with a
  • Transmitter is equipped while another access device has a corresponding receiver. In this case, it can then be provided that the access device with the receiver waits for access to the data memory or even one already in progress with the data memory when it receives the sender's signal.
  • the invention is generally understood to be a radio frequency that is less than 100 MHz.
  • no CSMA procedure is standardized.
  • the transmitters of the RF-RFID access devices have relatively short ranges and therefore, in some cases, two access devices located on opposite sides of a data carrier can not always reliably detect each other via a listen-before-talk procedure.
  • the exchange of the communication data is preferably carried out via a communication connection according to a technical standard, which is different from a standard, according to which by the access devices in each case to the
  • the access devices communicate with the coordinating device, that is to say optionally with one another, eg wirelessly via a WLAN (wireless local area network) or Bluetooth or wired via a LAN.
  • WLAN wireless local area network
  • a wired industrial network DP - Distributed I / O, PROFINET, PNIO
  • DP - Distributed I / O, PROFINET, PNIO is another example of a possible one
  • Coordination device Preferably, a technology for forming a so-called ad hoc network is used.
  • At least part of the memory data is transmitted by at least one of the access devices from the latter to the data memory and stored there.
  • a writing device is used for storing data in the data memory.
  • Access device in which the access token is at a particular time, the permission to access the data memory is displayed.
  • Coordination facility in this case includes the
  • Access token itself and each release device on each of the access devices, which only releases the access to the disk, even if the access token is in the corresponding access device. By passing an access token, it is not necessary to use one of the
  • the invention also includes in another aspect
  • Access device to a data transmission device which is designed for directly wireless exchange of memory data between the access device and the data memory.
  • a data transmission device may be, for example, an HF antenna and an associated control circuit.
  • the access device further comprises a detection device for detecting a presence of another access device in an environment of the access device. With the detection device, it is possible for the additional device to access the data memory
  • Access device according to the invention yet another
  • Communication connection via a communication network so for example a WLAN or LAN, can be established.
  • the communication device forms an interface to this network.
  • the access device has a control device, which is designed to, at
  • Recognition device via the communication device to exchange a message with a coordination device and to determine depending on the exchanged message, a time at which the memory data via the data transmission device with the data memory
  • the control device can
  • access device for example by a controller of the access device.
  • access to the data memory can be reliably coordinated with the accesses of further access devices in an advantageous manner. This advantage comes especially when the
  • Data transmission device is designed for exchanging data for a mobile RFID data memory.
  • the data transmission device then forms in particular an RF radio interface.
  • control device is then designed to exchange the message with the other access device.
  • Access order is designed for multiple forthcoming accesses to the data store by multiple access devices.
  • FIG 2 shows a flow chart of an access method according to an embodiment of the method according to the invention, according to which one of the write methods Reading devices of FIG 1 accesses an RFID data memory.
  • FIG. 1 in a production plant for individual process items, e.g. For
  • the scope of the process data can be two to four kilobytes at the end of the production process.
  • the production data for a process material is carried along with it. This is on the
  • the RFID data memory 10 is a mobile RF RFID data memory in which data is stored via a (defined by an RFID standard)
  • Productive data connection can be stored by forming a modulated alternating magnetic field at a frequency of 13.56 MHz. For reading a generated by the RFID data carrier modulation of the magnetic
  • the process material is conveyed via a (not shown) conveyor belt from a (not shown) paint shop as a first manufacturing stations to a (not shown) assembly line as a second manufacturing station
  • a read-write device 12 which exchanges storage data with the RFID data memory 10 via a productive data connection 14.
  • production data are stored in the RFID data storage 10, which is indicated by which color has just been applied to the process material to which the RFID data storage 10 is attached.
  • the read-write device 16 is a
  • the read / write device 16 must ensure that this data has already been completely written by the read / write device 12. For this purpose, the read-write device 16 waits for it to be replaced by the
  • Write-reader 12 receives corresponding coordination data via a network data connection 20 which has been set up on the basis of a WLAN standard.
  • Network data connection 20 provides a
  • Synchronization connection is in the coordination data is an access token, which is a record with information about the RFID data storage 10 here.
  • the process material is located between the paint shop and the placement system, a person approaches with a test device 22.
  • the test device 22 also represents a read / write device for the RFID data carrier 10. The person wants to use the test device 22 in the RFID Read data storage 10 stored production data to verify their accuracy.
  • the test device 22 must establish a productive data connection 24 towards the RFID data carrier 10. This process is explained in more detail below with reference to FIG 2.
  • a control device of the tester 22 is initially in a waiting loop in which they
  • the control device checks whether an operator of the tester 22 wants to read memory data from an RFID data carrier or just want to ascribe to this. If the test device 22 receives a corresponding input from the operator, it terminates the waiting loop and checks in a step S2, first by means of a discovery service, whether there are further read / write devices (SLG) in its vicinity.
  • the discovery service can be a technology known per se, as is known, for example, in connection with the WLAN standard and mobile devices. The tester 22 recognizes in the present example that the two read-write devices 12 and 16 are in its transmission range.
  • the tester 22 then builds in each case in a step S3 on an ad hoc network connection 26, 28 to each of the read-write devices 12, 16. Via the ad hoc network connections 26, 28 sends the
  • Productive data connection 14 has maintained. Thereafter, it passes the access token to the tester 22 via the ad hoc network connection 28.
  • the tester 22 After receiving the access token, the tester 22 in turn builds the productive data link 24 in one step S5 by means of its own RF-RFID antenna and reads the desired storage data from the RFID disk 10 via the productive data connection 24. Afterwards it in turn deactivates its antenna, whereby the magnetic
  • Alternate field for the productive data connection 24 is reduced. Finally, it passes the access token to the read / write device 16 via the ad hoc network connection 26. The tester 22 then restarts to execute the wait loop. In the event that the tester 22 no
  • Read-write device detected by the discovery service it changes immediately from step S2 to step S5.
  • the read / write device 16 can now also build up the productive data connection 18 to the RFID data memory 10 and read out the color data.
  • the example shows that multiple devices can access a wirelessly writable volume, allowing for spontaneous interaction, such as for maintenance or auditing purposes.
  • Network devices detected it may initially be accessed on the disk. Instead, one becomes
  • Coordinator (as it is known, for example, from the standard ZigBee) the flow of communication between the read-write devices are controlled. In the event that a coordinator has been determined, the access request of a read-write device is first communicated to it. To ensure that the read-write devices do not interfere with each other, a unique order of access is then determined. It can different methods are used. Examples are "first-come-first-serve" methods, or any conceivable priority-based method, and the coordinator could also sequentially pass access tokens to read / write devices, and then a read / write device completes its access to the RFID media the

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé d'échange sans fil de données. Une mémoire de données (10), avec laquelle des données de mémoire sont échangées par l'intermédiaire d'une liaison de données sans fil (14, 18, 24), peut présenter le problème selon lequel, durant un échange de données entre la mémoire de données (10) et un appareil d'accès (12, 16, 22), le signal d'émission d'un autre appareil d'accès (12, 16, 22) peut perturber l'appareil d'accès (12, 16, 22) communiquant déjà avec la mémoire de données (10). La présente invention vise à permettre un échange de données de mémoire entre d'une part une mémoire de données (10) et, d'autre part, plusieurs appareils d'accès (12, 16, 22). A cet effet, dans le cas où les appareils d'accès (12, 16, 22) se trouvent simultanément aux alentours de la mémoire de données (10), les appareils d'accès (12, 16, 22) échangent des données de communication avec un système de coordination (12, 16, 22) différent de la mémoire de données (10) et déterminent entre eux un comportement d'accès respectif à la mémoire de données (10). La présente invention concerne également un appareil d'accès (12, 16, 22) servant à échanger des données de mémoire avec une mémoire de données (10).
PCT/EP2011/062809 2011-07-26 2011-07-26 Procédé d'échange sans fil de données ainsi qu'appareil d'accès pour accéder à une mémoire de données Ceased WO2013013706A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2011/062809 WO2013013706A1 (fr) 2011-07-26 2011-07-26 Procédé d'échange sans fil de données ainsi qu'appareil d'accès pour accéder à une mémoire de données

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2011/062809 WO2013013706A1 (fr) 2011-07-26 2011-07-26 Procédé d'échange sans fil de données ainsi qu'appareil d'accès pour accéder à une mémoire de données

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WO2013013706A1 true WO2013013706A1 (fr) 2013-01-31

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015005657A1 (de) * 2015-05-02 2016-11-03 Eisenmann Se System und Verfahren zur Bereitstellung von Informationen für einen Beschichtungsvorgang
US12452986B2 (en) 2019-09-06 2025-10-21 Asml Netherlands B.V. Nozzle apparatus

Citations (2)

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Publication number Priority date Publication date Assignee Title
US20040153539A1 (en) * 2003-01-30 2004-08-05 Lyon Geoff M. Device data
US20050099268A1 (en) * 2003-11-12 2005-05-12 Ari Juels Radio frequency identification system with privacy policy implementation based on device classification

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
US20040153539A1 (en) * 2003-01-30 2004-08-05 Lyon Geoff M. Device data
US20050099268A1 (en) * 2003-11-12 2005-05-12 Ari Juels Radio frequency identification system with privacy policy implementation based on device classification

Non-Patent Citations (3)

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Title
"Telecommunications and Internet Converged Services and Protocols for Advanced Networking (TISPAN); TISPAN NGN Security (NGN_SEC); RFID interaction with NGN for Privacy and Security", ETSI DRAFT; 07042-NGNV010, EUROPEAN TELECOMMUNICATIONS STANDARDS INSTITUTE (ETSI), 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS ; FRANCE, no. V0.1.0, 2 March 2010 (2010-03-02), pages 1 - 43, XP014055832 *
KWANG-IL HWANG ET AL: "Distributed Tag Access with Collision-Avoidance among Mobile RFID Readers", COMPUTATIONAL SCIENCE AND ENGINEERING, 2009. CSE '09. INTERNATIONAL CONFERENCE ON, IEEE, PISCATAWAY, NJ, USA, 29 August 2009 (2009-08-29), pages 621 - 626, XP031544358, ISBN: 978-1-4244-5334-4 *
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015005657A1 (de) * 2015-05-02 2016-11-03 Eisenmann Se System und Verfahren zur Bereitstellung von Informationen für einen Beschichtungsvorgang
DE102015005657B4 (de) 2015-05-02 2022-11-03 Eisenmann Se System und Verfahren zur Bereitstellung von Informationen für einen Beschichtungsvorgang
US12452986B2 (en) 2019-09-06 2025-10-21 Asml Netherlands B.V. Nozzle apparatus

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