WO2003026223A1 - Dispositifs de communication pouvant dialoguer sans fil et procedes d'association des dits dispositifs - Google Patents
Dispositifs de communication pouvant dialoguer sans fil et procedes d'association des dits dispositifs Download PDFInfo
- Publication number
- WO2003026223A1 WO2003026223A1 PCT/FR2002/002995 FR0202995W WO03026223A1 WO 2003026223 A1 WO2003026223 A1 WO 2003026223A1 FR 0202995 W FR0202995 W FR 0202995W WO 03026223 A1 WO03026223 A1 WO 03026223A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- devices
- association
- radio
- network
- wireless communication
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
- H04L12/462—LAN interconnection over a bridge based backbone
Definitions
- the present invention relates to communication networks, more particularly the devices that can communicate wirelessly connected to these networks and the methods of association of said devices.
- European patent application EP 01114694.1 filed on June 19, 2001 by the applicant describes a method for linking several communication buses using wireless communication networks or radio networks.
- communication devices that can communicate wirelessly or radio devices called “wireless box” (literally wireless box in English) which provide the portal function between an IEEE 1394 wired network and a Hiperplan wireless communication network. 2.
- wireless box literally wireless box in English
- One of the characteristics of these devices is their operation in pairs. Indeed, a given radio device can only communicate wirelessly with a single other radio device designated as its partner; for this, each radio device knows an identifier specific to its partner which allows it to distinguish it from all the others.
- each radio device receives a unique identification number (for example the address EUI-64).
- each device receives the identification number of its partner (it is stored in a memory such as a flash memory for example).
- the two radio devices will be able to exchange these numbers using their wireless communication protocols and thus be able to ensure wireless communications exclusively with their partner.
- the two partners can never be separated, they cannot be used one without the other (the problem arises, for example, during repair or destruction of one of the two devices); - if the same user has two pairs of radio devices, then they must each mark them differently in order to differentiate them during a complete reinstallation of the network.
- An object of the invention is to propose a communication device that can communicate wirelessly comprising:
- Another object of the invention is to propose a modifiable association method of radio devices as described above, allowing in the event of separation of the initially associated devices to create a new association with any other device of the same type as that described previously.
- This association method also makes it possible to modify an initial association of a radio device with no radio device, this makes it possible to give a first association to the device.
- This process can initially be applied to only two devices.
- the present invention relates to a method of association of radio devices as described above, characterized in that this association is modifiable by connection of at least two of the radio devices to be associated.
- the method of association of two radio devices is extended to n devices with n greater than or equal to three.
- the methods of association of two or n devices are done by communication through a physical link between the devices to be associated.
- the n devices to be associated must be physically connected to each other, that is to say that there must be a wired link between them, and must not be able to enter into wireless communication with any of their (s) ) former partner (s) (unless they are present on the bus).
- a radio device which cannot enter into wireless communication with none of its former partners is physically connected to a radio device which may or may not enter into wireless communication with its former partners.
- Figure 1 is a diagram illustrating the association of two radio devices.
- FIG. 2 is a flowchart showing the procedure for pairing two radio devices.
- FIG. 3 is a flowchart showing the procedure for associating several radio devices by connecting them all to the same bus.
- FIG. 4 is a flowchart showing the procedure for associating a radio device with a set of already associated radio devices.
- FIGS. 5a and 5b are representations of several buses linked by radio bridges.
- Figure 6 is a general diagram of a radio device and its various parts.
- Figure 7 is a block diagram of a radio device.
- FIG. 1a shows the association of two radio devices 12 and 13 connected to the same bus 11; in FIG. 1b, the radio device 12 is disconnected from the bus 11 to be connected to the bus 10 in order to form a network made up of two buses (10 and 11) connected by a bridge formed by the two radio devices 12 and 13 .
- each radio device can include an original association initialized with the manufacturing of the device.
- the original partner of each radio device is the one whose EUI-64 address is immediately consecutive to his (the radio device 0 is associated with 1, 2 with 3 ).
- the radio device 0 is associated with 1, 2 with 3 .
- To determine the value of the originating partner it suffices to make an exclusive OR between the EUI-64 address of the radio device and the digit 1 coded on 64 bits.
- This initial association allows the user to be able to use the devices immediately without special handling. Otherwise, you can leave the initial association empty, that is, do not assign an associate to a radio device during its manufacture and indicate to the user that he must make the first association of the device himself.
- the two radio devices to be associated are connected to the same 1394 bus.
- Each new connection to the bus causes a reset of the bus called "bus reset" in English as defined in the document "IEEE 1394-1995 Standard for a High Performance Sériai Bus ".
- the radio device considered explores the bus in order to find other radio devices.
- each device has a specific register allowing '' tell the other devices if it is a radio device If it does not find one (20), it retains its old association (27), which is either the initial association described above, the association he had before the start of the process, and abandons the association process.
- a valid association is understood to mean that the associates designated by this association are able to communicate wirelessly with each other when trying to use this association. In fact, the associates are all powered and are close enough to be able to communicate wirelessly.
- radio devices can wait for non-compulsory human intervention (23). We can consider that the creation of any new association must be validated by the network administrator. One can for example consider as human intervention, the pressing of a button located on the radio device or any other means of validation. However, this human intervention is not compulsory. If the two radio devices fail to reach their respective former partners, then they continue the association process.
- the cable network Through the cable network, they exchange their respective EUI-64 addresses and an indication that each of them has succeeded in communicating with its former partner (24 and 25) or not, therefore whether or not they are ready to continue. the association protocol. If the two radio devices indicate that they are ready to continue the association protocol then each writes the number of the other in memory (26) (in a memory modifiable, for example a non volatile but modifiable flash memory) in order to be able to dialogue without contact thereafter. Otherwise they interrupt the association protocol.
- memory modifiable for example a non volatile but modifiable flash memory
- the joint use of particular devices and the association method makes it possible to carry out a new association of two radio devices. We can then modify the original association, replace it with a new one which is itself modifiable. This therefore makes it possible to separate radio devices initially associated, so that each radio device can be used alone and is no longer dependent on its initial partner.
- the method is extended to n devices with n greater than or equal to three. It may indeed be useful to be able to associate more than two radio devices in order to make wireless links between more than two buses. It is then necessary to modify the method previously presented in order to adapt it to the possibility for the same device to have several associates.
- two variants are envisaged. The first consists in connecting all the radio devices to be associated with the same IEEE 1394 type bus and in associating them with each other under certain conditions.
- the second variant consists in fact in adding under certain conditions a new radio device to a set of radio devices already associated with one another. In this last variant, only the radio device to be added and one of the radio devices from the previous set must be connected on the same bus.
- the first variant of the improvement consists, as shown in FIG. 3, in connecting all the radio devices to be associated with the same bus.
- the process described above must be modified for two radio devices in order to adapt it to a number of associated radio devices greater than or equal to three.
- the main condition for carrying out the association process is that no radio device to be associated is already associated with another radio device not connected to the bus. This allows, by connecting them all to the same bus, to associate in a single group all the devices belonging to several distinct groups of associated radio devices.
- each radio device explores the bus. We will consider the method for one of them.
- radio devices can wait for non-compulsory human intervention (32). If he does not manage to get in touch with any of his former partners, then he commits the association protocol.
- the cable network Through the cable network, it requests their EUI-64 addresses from the connected radio devices and a response indicating for each other radio device whether this radio device has succeeded in communicating with at least one of its former partners.
- the radio device considered receives all the responses (33) and associates itself with each radio device having sent a response indicating that it has not succeeded, by writing their EUI-64 addresses in a modifiable memory (34 ).
- This first variant of the extension of the present invention to more than two devices therefore makes it possible to associate several radio devices with one another by connecting them all to the same bus. This then makes it possible to make bridges between several buses through the portals that these radio devices are.
- This association is simple and makes it possible to associate a large number of radio devices simultaneously. To make this association, it is however necessary to be able to connect all the radio devices to be associated on the same bus, which is not always possible. Radio devices in use must not be disconnected from their bus. On the other hand, it is necessary to have radio devices which do not have valid associations other than those existing with radio devices connected to the bus, that is to say that they cannot communicate without contact with any of their associates not located on the bus.
- the second variant thus makes it possible to add, under certain conditions, a new radio device to a set of radio devices already associated with one another.
- the radio device to be added and one of the radio devices of the previous set are to be connected on the same bus, which can be the bus to which was already connected the radio device already associated with a set of radio devices.
- the addition of a new radio device on the bus causes the bus reset and therefore the procedure for exploring the bus by the devices connected to it. Consider the exploration process for any of the radio devices. If it does not find any other radio device connected to the bus (40), it retains its old association (46) and abandons the association process. If he finds more than one (41), then he also keeps his old association.
- the radio devices wait human action (43) which is compulsory in this case. Human intervention is mandatory here because we can indeed imagine, as in Figure 5a that two radio devices (54 and 55) are connected to the same bus (51) which allows this bus to be connected to two other buses ( 50 and 52) via two radio bridges formed by associations 53-54 and 55-56. If bus 52 is deleted as in FIG. 5b, the two radio devices 54 and 55 must not associate because otherwise they would form a loop. Human intervention is therefore compulsory in this case.
- the two radio devices connected to the bus start the association protocol via the bus: if the two radio devices still have at least one valid association (44), so they both keep their old associations. If at least one of the two radio devices does not have a valid association (44), then the latter associates (45) with the other radio device and with all of its associates and vice versa.
- This second variant therefore makes it possible to associate a radio device with an already existing set of radio devices and this method makes it possible not to have to disconnect all the radio devices used to connect them to the same bus. It is enough to connect the radio device to be added to one of the buses comprising another radio device to be able to associate it with the set of radio devices already present.
- FIG. 7 is a block diagram of a radio device 70.
- the radio device 70 is connected to the serial bus 1394 bearing the reference 71 through a physical interface 72 and a link circuit 73. The latter is connected to the internal parallel bus 74 of the radio device 70.
- a microprocessor 75 manages the radio device, which also includes an input / output management circuit 76, as well as a memory 77.
- the radio device 70 also includes another link circuit 78 and a physical interface 79 allowing it to be connected to the Hiperlan 2 network (81) via a antenna 80.
- the microprocessor takes care of the implementation of the association method, that is to say the steps of exploring the network and the steps of communication through the wired networks 70 and Hiperlan 2 radio. the radio devices present after a reset are stored for example in the rewritable memory 77.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003529707A JP4764600B2 (ja) | 2001-09-04 | 2002-09-03 | 無線インタフェース可能な通信装置、及び該通信装置を関連付けするための方法 |
US10/488,584 US7570598B2 (en) | 2001-09-04 | 2002-09-03 | Communication devices capable of wireless interfacing and methods for associating said devices |
KR1020047003197A KR100974035B1 (ko) | 2001-09-04 | 2002-09-03 | 무선 인터페이싱 가능한 통신 디바이스, 및 이 디바이스의 결합 방법 |
DE60222145T DE60222145T2 (de) | 2001-09-04 | 2002-09-03 | Kommunikationsgeräte welche drahtlos miteinander kommunizieren können und assoziationsverfahren für solche geräte |
EP02774898A EP1423941B1 (fr) | 2001-09-04 | 2002-09-03 | Dispositifs de communication pouvant dialoguer sans fil et procedes d'association des dits dispositifs |
MXPA04002033A MXPA04002033A (es) | 2001-09-04 | 2002-09-03 | Dispositivos de comunicacion capaces de interconexion inalambrica y metodos para asociar esos dispositivos. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0111401A FR2829336A1 (fr) | 2001-09-04 | 2001-09-04 | Dispositifs de communication pouvant dialoguer sans fil et procedes d'association des dits dispositifs |
FR01/11401 | 2001-09-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003026223A1 true WO2003026223A1 (fr) | 2003-03-27 |
Family
ID=8866930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2002/002995 WO2003026223A1 (fr) | 2001-09-04 | 2002-09-03 | Dispositifs de communication pouvant dialoguer sans fil et procedes d'association des dits dispositifs |
Country Status (9)
Country | Link |
---|---|
US (1) | US7570598B2 (fr) |
EP (1) | EP1423941B1 (fr) |
JP (1) | JP4764600B2 (fr) |
KR (1) | KR100974035B1 (fr) |
CN (1) | CN100512188C (fr) |
DE (1) | DE60222145T2 (fr) |
FR (1) | FR2829336A1 (fr) |
MX (1) | MXPA04002033A (fr) |
WO (1) | WO2003026223A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10343458A1 (de) * | 2003-09-19 | 2005-05-12 | Thomson Brandt Gmbh | Verfahren zur Bearbeitung von über eine erste Schnittstelle empfangenen Datenpaketen und Vorrichtung zur Durchführung des Verfahrens |
EP1626537A1 (fr) * | 2004-08-11 | 2006-02-15 | Iwatsu Electric Co., Ltd. | Système de réseau local sans fil et procédé correspondant pour connexion de points d'accès |
Families Citing this family (5)
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US8116223B2 (en) | 2006-11-09 | 2012-02-14 | Ivt Technology Inc. | System and method for supporting automatic establishing and disconnecting several wireless connections |
US20100299421A1 (en) * | 2007-10-04 | 2010-11-25 | Robby Gurdan | Digital multimedia network with hierarchical parameter control protocol |
US20120309289A1 (en) * | 2011-06-06 | 2012-12-06 | Apple Inc. | Techniques for facilitating interoperation between an accessory and multiple devices |
US9569439B2 (en) | 2011-10-31 | 2017-02-14 | Elwha Llc | Context-sensitive query enrichment |
US8750250B2 (en) * | 2012-12-04 | 2014-06-10 | Bandwidth.Com, Inc. | Personalized user session information for call handoff |
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US6163703A (en) * | 1997-01-31 | 2000-12-19 | Samsung Electronics Co., Ltd. | Method for registering portable unit in cordless telephone system by using both wire and wireless links |
WO2001022661A2 (fr) * | 1999-09-20 | 2001-03-29 | Thomson Licensing S.A. | Procede pour l'enregistrement d'un dispositif dans un reseau domestique sans fil |
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2001
- 2001-09-04 FR FR0111401A patent/FR2829336A1/fr active Pending
-
2002
- 2002-09-03 EP EP02774898A patent/EP1423941B1/fr not_active Expired - Fee Related
- 2002-09-03 KR KR1020047003197A patent/KR100974035B1/ko active IP Right Grant
- 2002-09-03 CN CNB02817321XA patent/CN100512188C/zh not_active Expired - Fee Related
- 2002-09-03 JP JP2003529707A patent/JP4764600B2/ja not_active Expired - Fee Related
- 2002-09-03 WO PCT/FR2002/002995 patent/WO2003026223A1/fr active IP Right Grant
- 2002-09-03 MX MXPA04002033A patent/MXPA04002033A/es active IP Right Grant
- 2002-09-03 DE DE60222145T patent/DE60222145T2/de not_active Expired - Lifetime
- 2002-09-03 US US10/488,584 patent/US7570598B2/en not_active Expired - Fee Related
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE10343458A1 (de) * | 2003-09-19 | 2005-05-12 | Thomson Brandt Gmbh | Verfahren zur Bearbeitung von über eine erste Schnittstelle empfangenen Datenpaketen und Vorrichtung zur Durchführung des Verfahrens |
US7724714B2 (en) | 2003-09-19 | 2010-05-25 | Thomson Licensing | Method for processing data packets received via a first interface and device for carrying out the method |
EP1626537A1 (fr) * | 2004-08-11 | 2006-02-15 | Iwatsu Electric Co., Ltd. | Système de réseau local sans fil et procédé correspondant pour connexion de points d'accès |
Also Published As
Publication number | Publication date |
---|---|
EP1423941A1 (fr) | 2004-06-02 |
JP4764600B2 (ja) | 2011-09-07 |
US7570598B2 (en) | 2009-08-04 |
FR2829336A1 (fr) | 2003-03-07 |
EP1423941B1 (fr) | 2007-08-29 |
DE60222145D1 (de) | 2007-10-11 |
US20040242223A1 (en) | 2004-12-02 |
KR20040039326A (ko) | 2004-05-10 |
JP2005503720A (ja) | 2005-02-03 |
DE60222145T2 (de) | 2008-06-05 |
KR100974035B1 (ko) | 2010-08-06 |
CN1552141A (zh) | 2004-12-01 |
MXPA04002033A (es) | 2004-06-07 |
CN100512188C (zh) | 2009-07-08 |
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