WO2010094299A1 - Procédé pour faire fonctionner un système de communication, appareil d'abonné et nœud de coordination pour un système de communication ainsi que système de communication - Google Patents

Procédé pour faire fonctionner un système de communication, appareil d'abonné et nœud de coordination pour un système de communication ainsi que système de communication Download PDF

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Publication number
WO2010094299A1
WO2010094299A1 PCT/EP2009/001224 EP2009001224W WO2010094299A1 WO 2010094299 A1 WO2010094299 A1 WO 2010094299A1 EP 2009001224 W EP2009001224 W EP 2009001224W WO 2010094299 A1 WO2010094299 A1 WO 2010094299A1
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WO
WIPO (PCT)
Prior art keywords
coordination node
type
subscriber device
communication system
synchronization
Prior art date
Application number
PCT/EP2009/001224
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German (de)
English (en)
Inventor
Jens Grebner
Sven Kerschbaum
Thomas Talanis
Frank Volkmann
Christoph Weiler
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to PCT/EP2009/001224 priority Critical patent/WO2010094299A1/fr
Publication of WO2010094299A1 publication Critical patent/WO2010094299A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0652—Synchronisation among time division multiple access [TDMA] nodes, e.g. time triggered protocol [TTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically

Definitions

  • the invention relates to a method for operating a communication system having a coordination node and at least one user equipment and is designed for wireless data transmission using a time division multiplex method, wherein within the communication system for synchronization of the user equipment at regularly recurring times synchronization signals are sent out.
  • Time Division Multiplex (TDM) or Time Division Multiple Access (TDMA)
  • TDM Time Division Multiplex
  • TDMA Time Division Multiple Access
  • data from different subscriber devices or network subscribers in certain time periods or time slots are transmitted on a shared channel.
  • synchronization signals also called “beacons” or “beacons” are used by the user equipment of the communication system for time synchronization.
  • a method of the type mentioned at the outset is known, for example, from the document "IEEE Std 802.15.4 - Standard for Information Technology - Telecommunications and Information Exchange between Systems - Local and Metropolitan Area Networks - Specific Requirements; Part 15.4: Wireless medium Access Control (MAC) and Physical Layer (PHY) Specifications for Low-Rate Wireless Personal Area Networks (WPANs), September 8, 2006 "In the known method, a coordination node in the form of the" coordinator "synchronization signals in the form of so-called These "beacons” allow subscriber devices of the wireless communication system to synchronize with respect to the superframe structure defined by the IEEE 802.15.4 standard. As a result, it is ensured within the scope of the time-division multiplexing method used that the subscriber devices carry out a data transmission at the correct time, ie within a time slot provided for this purpose.
  • Method for wireless data transmission using ei ⁇ nes time division multiplexing are becoming increasingly common. This also applies in particular to the use of appropriate methods or communication systems in the field of automation technology, ie, for example, for the wireless communication of sensors and actuators in an industrial plant. In this case, in comparison to other applications, particularly high demands are usually placed on the availability and the robustness of a corresponding method or communication system.
  • the present invention has for its object to provide a simultaneously very powerful and particularly robust method of the type mentioned.
  • this object is achieved by a method for operating a communication system which has a coordination node and at least one subscriber unit and is designed for wireless data transmission using a time division multiplex method, wherein Synchronization signals for temporal synchronization of the subscriber devices at regularly recurring times are transmitted, being sent at times of the first kind of synchronization signals Ie first type and sent out at times of the second type of the civilgerat or one of the dentalgerate synchronization signals of the second kind.
  • the invention is based on the recognition that in terms of robustness, an essential aspect in operating a communication system is to ensure that all subscriber devices of the communication system are active or available.
  • the prerequisite for this is generally, for example, that the power supply of the therapeuticgerates is ensured, for example, by a functional Batte ⁇ rie that the pharmaceuticalgerat m range of the wireless communication system, ie in particular the coordination node of the communication system is located, and that the dentalgerat to the communication ⁇ is connected, so that communication with the coordination node and / or other dentalgeraten the communication system is possible.
  • Signals for example in the form of data packets sent by a subscriber device within the communication system, are thus an indicator of the activity of the relevant subscriber device. It should be noted that, for example, in the case of subscriber devices in the form of sensors or actuators, these are frequently also in an idle state for a prolonged period in which they do not transmit any signals. This has the consequence that the activity state of a corresponding subscriber device on the part of the communication system, ie in particular of the coordination node of the communication Systems, can not be verified.
  • the coordination node or other subscriber devices of the communication system have no information as to whether a corresponding "silent" subscriber device is in an idle state or possibly not at all active, ie, for example, switched off or down
  • a failure of a subscriber device for example, consist in that the signal transmission within the wireless communication system is disturbed, the power supply of the relevant subscriber device has failed or the subscriber device is outside the range of the wireless communication system.
  • the method according to the invention is now advantageous in that, at times of the first type, synchronization signals of the first type are transmitted by the coordination nodes of the first type and synchronization signals of the second type are transmitted at times of the second type by the subscriber device or one of the subscriber devices.
  • This offers the advantage that a synchronization signal of the second type transmitted by a subscriber device at the same time provides proof that the relevant subscriber device is still active and functional.
  • this is done without additional transmission resources for this purpose of the communication system are required.
  • the method according to the invention makes it possible to monitor the state of activity of the subscriber device or of the user device in a particularly simple and resource-saving manner
  • the synchronization signals of the first kind and the synchronization signals of the second kind need not necessarily be identical.
  • the signals of the first type transmitted at times of the first type may also differ from one another and / or the signals of the second type emitted at times of the second type may differ from one another. Possible differences can hereby transmitted for example in the content time information given ⁇ if lying in the transmitted data and other information. The decisive factor is therefore ultimately that each of the synchronization signals of the first and second type is used for temporal synchronization of the communication system.
  • the wireless communication system can basically be a wireless communication system of any type.
  • the communication system is designed for wireless transmission by radio.
  • any radio technologies can be used in which the data transmission takes place in accordance with a time division multiplex method. Examples of this are based on the standards IEEE 802.15.1, IEEE 802.15.4 or IEEE 802.11 based communication standards.
  • the method according to the invention is so pronounced that information is sent out by the coordination node with the synchronization signals of the first type as to which subscriber device is responsible for transmitting the synchronization signal of the second type or which at a subsequent time of the second type Subscriber devices are responsible for subsequent times of the second type in each case for the transmission of the synchronization signal of the second kind.
  • the control of the process in this case preferably lies solely with the coordination node, which simultaneously informs the subscriber device or subscriber devices with the synchronization signal of the first type transmitted by it at the time of the first type, that for transmitting a subsequent synchronization signal is or is.
  • the responsibility for sending out the synchro- In principle, it would be conceivable for the synchronization signal to be "passed on" from the relevant subscriber device to another subscriber device. However, in the sense of a central sequence control, it is advantageous if the determination of which subscriber device transmits the next synchronization signal or the next synchronization signals is preferably carried out exclusively by the coordination node.
  • the method according to the invention can advantageously also be configured such that the times of the second type are determined by the respectively competent subscriber device on the basis of a predetermined algorithm.
  • a corresponding algorithm that determines when a synchronization signal of the first type is sent out by the coordination node and when and by which subscriber device a synchronization signal of the second type is determined or predetermined, for example, in the context of the configuration of the communication system.
  • the corresponding sequence can advantageously be determined taking into account the respective circumstances, i. For example, the number of subscriber devices and their range, i. For example, the range of radio fields of dentalgerate be set.
  • the inventive method is developed such that the synchronization signals of the second type comprise an identification identifying the respective transmitting subscriber device.
  • the synchronization signals of the second type comprise an identification identifying the respective transmitting subscriber device.
  • the inventive method is so pronounced that is updated by the coordination node after receiving a synchronization signal of the second kind for the respective emitting semiconductor semiconductor semiconductor semiconductor semiconductor semiconductor semiconductor semiconductor semiconductor semiconductor semiconductor (PSD), etc.
  • the inventive method is so pronounced that is updated by the coordination node after receiving a synchronization signal of the second kind for the respective emitting semiconductor semiconductor semiconductor semiconductor (PSD) for the respective emitting semiconductor semiconductor semiconductor (PSD).
  • the information is available at any time for all subscriber devices on the part of the coordination node as to when the last time a signal was received by the relevant subscriber device.
  • updating of the specific for each ⁇ stays awhile emitting diligentgerat Aktivitats- takes place in this case the time stamp even in the case that the part of the coordination onsknotens another signal, that is, for example, a data ⁇ signal or data packet has been received from the relevant civilgerat.
  • the inventive method is designed such that the reception of synchronization signals of the second type and / or transmitted by the subscriber device or the subscriber devices to the coordination node data signals is acknowledged by the coordination node by transmitting a confirmation signal.
  • This embodiment is particularly advantageous in communication systems in which an acknowledgment of signals received by the coordination node is generally provided by the coordination node. Alternatively, in principle, however, a receiptless operation is possible.
  • the inventive method is further developed such that the confirmation signal is transmitted in conjunction with a synchronization signal of the first kind.
  • the coordination node to acknowledge synchronization signals of the second type received by the subscriber devices in a separate time slot.
  • the transmission of the confirmation signal in conjunction with one at a time is advantageous in that the use of an additional time slot for the transmission of the confirmation signal is avoided.
  • a synchronization signal of the first type transmitted by the coordination node may comprise an array which contains an entry for each time slot or each subscriber unit which indicates, for example, the number of signals received since the last acknowledgment.
  • the acknowledged received signals here may either be only synchronization signals of the second type, only data signals or else both synchronization signals of the second type and also data signals.
  • the method according to the invention is configured such that a synchronization signal of the second type is supplemented by the transmitting subscriber device for diagnosis data relating to this subscriber device.
  • a subscriber device must permanently transmit data signals, ie, for example, productive data, to the coordination node during a time slot assigned to the data transmission, there is a possibility of supplying diagnostic data in the form of error messages to the coordination node transfer.
  • this is possible without requiring the allocation of a further time slot or time segment to the relevant subscriber device.
  • a corresponding additional allocation of a further time slot led to an increase in the latency, ie the cycle time.
  • the inventive method can also be configured such that a synchronization signal of the second kind is received by a control unit.
  • the operating device which may be, for example, a so-called HMI (Human Machine Interface) device of an automation system, does not necessarily have to be in the range of the coordination node of the communication system to a synchronization signal of the communication system receive. If additional diagnostic data are transmitted by the transmitting subscriber device with the synchronization signal of the second type, the operating device is furthermore enabled to receive this diagnostic data directly from the relevant subscriber device.
  • HMI Human Machine Interface
  • the method according to the invention is furthermore so pronounced that the operating unit synchronizes in time with the communication system on the basis of the synchronization signal of the second type.
  • This offers the advantage that the control unit access to the communication system and the transmission and in particular receiving data is made possible within the communication system, without necessarily a synchronization signal of the first kind must be received by the coordination node for the previous temporal synchronization.
  • This is again advantageous, in particular, in those cases in which the operating device is in the range of one of the subscriber devices but not in the range of the coordination node.
  • the invention further relates to a subscriber device for a communication system, which has a coordination node and at least one therapeuticgerat has and is designed for wireless data transmission using a time division multiplex method, wherein within the communication system for synchronization of the subscriber devices at regularly recurring times synchronization signals are sent out.
  • the present invention has for its object to provide a cognitivegerat of the aforementioned type, which supports a simultaneously very powerful and particularly robust method for operating the communication system.
  • a subscriber device for a communication system which has a coordination node and at least one subscriber unit and is designed for wireless data transmission using a time-division multiplexing method, wherein synchronization signals are transmitted within the communication system for the time synchronization of the subscriber devices at regularly recurring times are formed, wherein the probationgerat is designed such that it receives synchronization signals of the first kind from the coordination node at times of the first kind and at times of the second kind either sends a synchronization signal of the second kind or receives a synchronization signal of the second kind from another subscriber device of the communication system.
  • the subscriber device according to the invention is designed in such a way that it receives information from the coordination node with the synchronization signals of the first type which subscriber device is responsible for transmitting the synchronization signal of the second type at a subsequent time of the second type or which subscriber devices at subsequent times of the second type each responsible for the transmission of the synchronization signal of the second kind.
  • the subscriber device according to the invention is designed to determine the times of the second type on the basis of a predetermined algorithm.
  • the subscriber device according to the invention can also be designed in such a way that it is designed to transmit a synchronization signal of the second type comprising a identifier identifying the subscriber device.
  • the subscriber device according to the invention is designed such that it is designed to receive a confirmation signal transmitted by the coordination node and acknowledging the reception of synchronization signals of the second type and / or of data signals transmitted by the subscriber device or subscriber devices to the coordination node.
  • the subscriber device according to the invention is designed such that it is designed to receive the acknowledgment signal in conjunction with a synchronization signal of the first type.
  • the subscriber device according to the invention can also be developed in such a way that it is designed to supplement a synchronization signal of the second type with diagnostic data relating to the subscriber device.
  • the subscriber device can be a subscriber device of any type and function.
  • the subscriber device according to the invention is a sensor or an actuator of an automation system. This is advantageous since, especially in the field of industrial automation, wireless communication systems are becoming increasingly widespread and in this case particularly high demands are placed on robustness and performance.
  • the subscriber devices in the form of sensors or actuators have no wired or line-bound power supply but are each supplied by a primary cell, for example, the aspect of operating the subscriber board as energy-efficiently as possible is of great importance.
  • the present invention furthermore relates to a coordination node for a communication system, which has the coordination node and at least one subscriber unit and is designed for wireless data transmission using a time-division multiplexing method, wherein synchronization signals are transmitted within the communication system for the time synchronization of the subscriber units at regularly recurring times.
  • the coordination node the present invention has for its object to provide a coordination node of the type mentioned, which supports a simultaneously very powerful and particularly robust method for operating the communication system.
  • this object is achieved by a coordination node for a communication system which has the coordination node and at least one subscriber unit and is designed for wireless data transmission using a time-division multiplexing method, wherein synchronization signals are transmitted within the communication system for the time synchronization of the subscriber units at regularly recurring times, wherein the coordination node is designed such that it transmits synchronization signals of the first type at times of the first type and receives synchronization signals of the second type from the subscriber device or one of the subscriber devices at times of the second type.
  • the coordination node according to the invention can be designed in such a way that the coordination node is formed with the synchronization signals of the first type for transmitting information about which subscriber device has a second time for the second Sending the synchronization signal of the second type is responsible or which subscriber devices are responsible for subsequent times of the second kind respectively for the transmission of the synchronization signal of the second kind.
  • the coordination node is designed to determine the times of the second type on the basis of a predetermined algorithm.
  • the coordination node according to the invention can also be developed in such a way that the coordination node is designed to receive a synchronization signal of the second type comprising a identifier which identifies the respective transmitting subscriber device.
  • the inventive Koordinationskno ⁇ th is so pronounced that the coordination node Sieren upon receipt of a synchronization signal of the second type for a specific updated for the respective emitting semiconductor semiconductor power supply.
  • the coordination node according to the invention is embodied such that the coordination node is designed to transmit a confirmation signal acknowledging receipt of synchronization signals of the first type and / or of data signals transmitted by the subscriber device or subscriber devices to the coordination node.
  • the inventive Koordinationskno ⁇ th is such further developed in that it is designed for transmitting the Bestatrienssignals in conjunction with a synchronization signal of the first type.
  • the coordination node according to the invention is designed to evaluate diagnostic data received with a synchronization signal of the second type and relating to the transmitting subscriber device.
  • the invention further comprises a communication system for wireless data transmission using a time-division multiplex method with at least one inventive subscriber device or at least one subscriber device according to one of the previously described preferred developments of the subscriber device according to the invention as well as with a coordination node according to the invention or a coordination node according to one of the above described preferred developments of the inventive coordination node.
  • Figure 1 in a schematic sketch to explain an exemplary embodiment of the inventive method on a frequency channel of a communication system signals transmitted as a function of time and
  • FIG. 1 shows, in a schematic sketch to explain an exemplary embodiment of the method according to the invention, signals transmitted on a frequency channel of a communication system as a function of time t.
  • synchronization signals S and data signals D for example in the form of data packets or data frames, can be seen in FIG.
  • Tl or T2 is hereby illustrated whether the signal in question from the coordination node or a first or a second dental restorationat is sent out.
  • the synchronization signals S are used in particular for temporal synchronization of subscriber devices of the communication system. This means that the synchronization signals S have the function of a "beacons” or "beacons” within the communication system.
  • a corresponding Proof of the activity of the relevant subscriber device without the need for a separate signal to be transmitted from the subscriber device concerned to the coordination node
  • a time slot assigned to the respective subscriber device is permanently required for the transmission of data signals to the coordination node
  • the communication system is usually more than two
  • Subscriber devices will have and thus often no additional free time slots for the transmission of a separate "Keepalive" signal will be available.
  • the synchronization signals of the second type S T i, S T2 emitted at times of the second type t 4 , te, tu comprise an identifier identifying the respective transmitting user equipment. This advantageously allows the coordination node to monitor the activity of the subscriber get the synchronization signals of the second kind S T i, S T2 in a particularly simple way.
  • second S i, S T2 is be competent, an appropriate, the respective emitting therapeuticgerat identifying identifier but not mandatory.
  • the coordination node Based on the synchronization signals of the second type S T i, S ⁇ 2 received at times of the second type, it is possible for the coordination node to check the activity of the respective subscriber device . This can be done, for example, by updating an activity timestamp specific to the respective subscriber device. An updating of the respective activity time stamp is preferably also carried out in the event that a data signal D ⁇ i or D T 2 is received from the first or the second subscriber device by the coordination node.
  • synchronization signals of the first type S K and synchronization signals of the second type S ⁇ ⁇ , S ⁇ 2 are transmitted with different frequencies.
  • this relates to the frequency with which synchronization signals of the first kind S ⁇ are emitted in comparison with synchronization signals of the second type S-ri, S ⁇ 2 .
  • the subscriber devices of the communication system can also be responsible for the transmission of a synchronization signal of the second type S ⁇ i , S T2 at different times.
  • a subscriber device whose functionality and activity is of particularly great significance to be particularly responsible at times of the second type for the transmission of synchronization signals of the second type S ⁇ i , S ⁇ 2 .
  • a subscriber device may be, for example, a sensor or an actuator of an automation system, which serves for detecting or influencing a variable which is particularly critical for a production process.
  • the coordination node all received data signals D T i, D ⁇ 2 and / or all received synchronization signals of the second kind S T i, S T 2 in the form of a so-called "group acknowledgment" in a synchronization signal emitted by him the first type S.
  • the coordination node the synchronization signals of the first type S ⁇ compared to the light emitted from the subscriber Advised synchronization signals of the second type S T i, S T2 emits more frequently, ie that times of the first kind ti, t 7 , t 9 occur more frequently than times of the second kind t 4f t ⁇ , tu, where the frequency in which the coordination node expediently sends corresponding confirmation signals is dependent on the time respective application, ie in particular, in which time intervals an acknowledgment ge ⁇ sent signals from the dentalgeraten is expected.
  • FIG. 2 shows, in a schematic sketch to explain an exemplary embodiment of the communication system according to the invention, a representation of the range of the radio fields of a coordination node as well as of subscriber devices of the communication system.
  • the range R HMI of an operating device in the form of a so-called HMI (Human Machine Interface) device for operating and monitoring the communication system is also shown in FIG.
  • a synchronization signal of the second type transmitted at a time of the second type is supplemented by the respective transmitting subscriber device for diagnosis data relating to this subscriber device.
  • the Recipegerat as shown in Figure 2 diagnostic data such as in the form of parameters or so-called log files received by the second productivitygerat with the radio field R ⁇ 2 , although the Whygerat at the relevant time not within the radio range R ⁇ of Koordina ⁇ tion node of the communication system halt.
  • the operating device uses a time-based synchronization signal of the second type received by the second subscriber device at a time of the second type
  • Synchronization with the communication system can make.
  • a direct, ie not mediated via the coordination node communication between the Whygerat and the second criticalgerat. That's it
  • the operating device sends a request to the second criticalgerat with the request to request data about in the form of diagnostic data, from the first professionalgerat with the radio field R n .
  • a corresponding data transmission on the part of the second subscriber device can also be initiated via the coordination node of the communication system.
  • the first subscriber unit whose radio field or the range or spatial extent of its radio field is denoted by R ⁇ i
  • the third subscriber unit with radio field R T3 are not in mutual range, ie the range or radio coverage the respective radio fields R ⁇ l and R T3 does not overlap.
  • the coordination node Since the coordination node, is advantageously arranged so that it lies within the reach of all participating devices, which means that his radio field R ⁇ to each of the hops R tL, R T2, R ⁇ lapped 3 of the subscriber devices uber-, this means that the subscriber devices, the time synchronization up to the next from the Koordinati ⁇ onsknoten sent synchronization signal of the first kind automatically, without receiving a further synchronization signal must hold. Due to its central arrangement within the communication system, the coordination node receives all the transmitted synchronization signals of the second type as well as all other data signals sent by the subscriber devices in the respective time slots. In this context, it should be noted that the coordination node at times of the second type preferably also synchronizes with respect to the respective received synchronization signal of the second type.
  • a small time offset may occur, but does not lead to a disturbance.
  • the cause for a corresponding time offset is that the clocks of the network subscribers, i. of the coordination node and the participant's equipment, which in practice usually differ slightly.
  • this skew usually occurs only at the level of communication on which the described method operates, i. usually at the MAC (Media Access Control) level, a role. This means that, for example, communication or protocol levels responsible for communication and application are not affected, since these are synchronized independently of this, for example as part of a packet exchange.
  • the invention is particularly advantageous in that a particularly simple and resource-saving monitoring of the state of activity of subscriber devices of the communication system is made possible.
  • This advantageously increases the robustness of the method for data transmission or of the communication system.
  • a further advantage is that for a control unit of the communication system, a subscriber device, such as in the form of a sensor or actuator, is immediately "visible", without this necessarily before a communication with the coordination node of the communication system is required.

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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 à la fois particulièrement puissant et particulièrement robuste pour faire fonctionner un système de communication qui présente un noeud de coordination et au moins un appareil d'abonné et qui est conçu pour transmettre des données sans fil en utilisant un procédé de multiplexage temporel, des signaux de synchronisation (SK, ST1, ST2) étant émis à l'intérieur du système de communication pour synchroniser dans le temps les appareils d'abonnés à des moments dans le temps (t1, t4, t6, t7, t9, t11) revenant régulièrement. Selon l'invention, à des moments dans le temps du premier type (t1, t7, t9), des signaux de synchronisation du premier type (SK) sont émis par le noeud de coordination et, à des moments dans le temps du deuxième type (t4, t6, t11), des signaux de synchronisation du deuxième type (ST1, ST2) sont émis par l'appareil d'abonné ou par un des appareils d'abonné. L'invention concerne également un appareil d'abonné et un noeud de coordination pour un système de communication ainsi qu'un système de communication.
PCT/EP2009/001224 2009-02-17 2009-02-17 Procédé pour faire fonctionner un système de communication, appareil d'abonné et nœud de coordination pour un système de communication ainsi que système de communication WO2010094299A1 (fr)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017210312A1 (fr) * 2016-06-01 2017-12-07 Qualcomm Incorporated Multiplexage par répartition dans le temps de canaux de synchronisation
US10498437B2 (en) 2016-06-01 2019-12-03 Qualcomm Incorporated Conveying hypotheses through resource selection of synchronization and broadcast channels
US10615897B2 (en) 2016-06-01 2020-04-07 Qualcomm Incorporated Time division multiplexing of synchronization channels
US11218236B2 (en) 2016-06-01 2022-01-04 Qualcomm Incorporated Time division multiplexing of synchronization channels
US11563505B2 (en) 2016-06-01 2023-01-24 Qualcomm Incorporated Time division multiplexing of synchronization channels

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6351468B1 (en) * 1998-07-02 2002-02-26 Gte Service Corporation Communications protocol in a wireless personal area network
EP1601124A1 (fr) * 2004-05-28 2005-11-30 Hitachi, Ltd. Procédé et dispositif pour synchroniser des horloges de noeuds de réseau
WO2007063427A2 (fr) * 2005-05-26 2007-06-07 Nokia Corporation Emetteur de balises pour reseaux sans fil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6351468B1 (en) * 1998-07-02 2002-02-26 Gte Service Corporation Communications protocol in a wireless personal area network
EP1601124A1 (fr) * 2004-05-28 2005-11-30 Hitachi, Ltd. Procédé et dispositif pour synchroniser des horloges de noeuds de réseau
WO2007063427A2 (fr) * 2005-05-26 2007-06-07 Nokia Corporation Emetteur de balises pour reseaux sans fil

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LOPEZ-GOMEZ M A ET AL: "Algorithms and Methods beyond the IEEE 802.15.4 Standard for a Wireless Home Network Design and Implementation", SENSOR NETWORKS, UBIQUITOUS AND TRUSTWORTHY COMPUTING, 2008. SUTC '08. IEEE INTERNATIONAL CONFERENCE ON, IEEE, PISCATAWAY, NJ, USA, 11 June 2008 (2008-06-11), pages 138 - 145, XP031274406, ISBN: 978-0-7695-3158-8 *
SAEYOUNG AHN ET AL: "Slotted Beacon Scheduling Using ZigBee Cskip Mechanism", SENSOR TECHNOLOGIES AND APPLICATIONS, 2008. SENSORCOMM '08. SECOND INTERNATIONAL CONFERENCE ON, IEEE, PISCATAWAY, NJ, USA, 25 August 2008 (2008-08-25), pages 103 - 108, XP031319547, ISBN: 978-0-7695-3330-8 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017210312A1 (fr) * 2016-06-01 2017-12-07 Qualcomm Incorporated Multiplexage par répartition dans le temps de canaux de synchronisation
CN109314570A (zh) * 2016-06-01 2019-02-05 高通股份有限公司 同步信道的时分复用
US10498437B2 (en) 2016-06-01 2019-12-03 Qualcomm Incorporated Conveying hypotheses through resource selection of synchronization and broadcast channels
US10615897B2 (en) 2016-06-01 2020-04-07 Qualcomm Incorporated Time division multiplexing of synchronization channels
US10887035B2 (en) 2016-06-01 2021-01-05 Qualcomm Incorporated Time division multiplexing of synchronization channels
CN109314570B (zh) * 2016-06-01 2021-09-14 高通股份有限公司 用于同步信道的时分复用的方法、装置和计算机可读介质
US11218236B2 (en) 2016-06-01 2022-01-04 Qualcomm Incorporated Time division multiplexing of synchronization channels
US11563505B2 (en) 2016-06-01 2023-01-24 Qualcomm Incorporated Time division multiplexing of synchronization channels
US11616674B2 (en) 2016-06-01 2023-03-28 Qualcomm Incorporated Time division multiplexing of synchronization channels

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