Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W76/00—Connection management
  • H04W76/10—Connection setup
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B7/00—Radio transmission systems, i.e. using radiation field
  • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
  • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
  • H04B7/2603—Arrangements for wireless physical layer control
  • H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
  • G01D4/00—Tariff metering apparatus
  • G01D4/002—Remote reading of utility meters
  • G01D4/004—Remote reading of utility meters to a fixed location
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
  • H04W88/02—Terminal devices
  • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
  • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
  • Y02B90/20—Smart grids as enabling technology in buildings sector
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
  • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
  • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
  • Y04S20/30—Smart metering, e.g. specially adapted for remote reading

Definitions

• the invention relates to the transmission of messages using mobile communication equipment, especially a wireless mobile phone, and in particular a wireless smart mobile phone.
• a smart phone is a phone with electronic components to perform advanced operations such as a computer.
• the equipment to be supervised may be interconnected within a local area network (LAN), ie an equipment network that transmits messages without using an intermediate router.
• LAN local area network
• a LAN has a small geographic scale, such as a computer room, a floor of a building, or a corporate site.
• Local networks are interconnected by routers.
• the communication nodes which are the routers and the equipment to be supervised, are fixed or mobile. But such architectures take a long time to reconfigure when the network topology changes and are not adapted to instantaneously manage the mobility of the communication nodes.
• mobile smart phones can connect remotely, for example to a WAN or Wide Area Network in English, that is to say a network of interconnected equipment. covering a large geographical area, for example at the level of a country or a continent, the largest wide area network being the Internet.
• telephones connect to equipment via fixed access points, such as GSM relays (Global System of Mobile Communications).
• an operator can use a mobile device that he voluntarily moves near the equipment to be monitored to retrieve the data via a local network. LAN. Then, after retrieving this data, it connects the mobile device to a remote computer over a WAN wide area network to transmit the recovered data. But, a voluntary action of the operator is necessary to initialize each phase of data retrieval or transmission from the equipment of the local network to the computer of the wide area network.
• the object of the invention is to remedy these drawbacks, and more particularly to provide a method and an independent message transmission device that does not require any special intervention on the part of the user.
• Another object of the invention is to provide a simple and effective means for transmitting data stored in equipment belonging to a local area network to a remote equipment belonging to a wide area network, when the remote equipment can not be connected with the network. local network.
• a method of transmitting messages between a first equipment network and a second equipment network comprising at least one mobile equipment provided with a non-volatile memory.
• the method comprising a first communication step comprising at least one automatic connection between a mobile equipment and at least one equipment of the first network, and a second communication step comprising at least one automatic connection between a mobile equipment and at least one equipment of the second. network, each automatic connection comprising a transmission of the messages stored in the non-volatile memory of the mobile equipment of the connection to each connected equipment, the method comprising a backup of the messages transmitted by each mobile equipment in the non-volatile memory of the mobile equipment .
• Such a method advantageously makes it possible to supervise equipment located in specific premises, such as underground rooms, where communication with a wide area network is impossible, or when the equipment is in areas not easily covered by WAN wide area networks.
• such a method eliminates the need to use many fixed relay equipment, such as fixed communication routers, distributed in buildings.
• Each connection of the first communication step may comprise an automatic connection of a mobile device with only equipment belonging to the first network.
• the mobile equipment acts as a gateway between two LAN and WAN networks that can not communicate directly with each other.
• Each connection of the second communication step may comprise an automatic connection of a mobile device with a single equipment belonging to the second network.
• Automatic connections can be simultaneous or asynchronous.
• Each equipment may comprise a non-volatile memory for storing messages to be transmitted, each connection of the first communication step comprising a transmission of the messages stored in the non-volatile memory of each device of the first network connected to the non-volatile memory of the equipment.
• mobile connection each connection of the second communication step comprising a transmission of messages stored in the non-volatile memory of each equipment of the second network connected to the non-volatile memory of the mobile equipment of the connection
• the step of backup comprising a backup of each message sent by each device in the non-volatile memory of the equipment that transmits the message.
• the messages stored in the non-volatile memory of the equipment of the first network may comprise application messages destined for at least one destination device belonging to the second network, the messages stored in the non-volatile memory of the equipment of the second network comprising application messages to destination of at least one destination equipment belonging to the first network, the method comprising a processing of sent messages comprising, for each application message received by the receiving device of the application message, storage in the non-volatile memory of the destination equipment, an acknowledgment message associated with the received application message, and the processing step comprising, for each acknowledgment message received by a device, a deletion in the nonvolatile memory of the equipment of the application message associated with the message d acknowledgment received.
• Each application message may comprise a unique non-zero identifier
• each device stores in its non-volatile memory a serial number initialized to the zero value
• the step of processing sent messages includes a deletion of the application message received by a device if the identifier of the received application message is less than or equal to the order number of the equipment, and an incrementation the serial number of the equipment if the identifier has a value consecutive to that of the serial number of the equipment.
• a message transmission system comprising first and second equipment networks, and at least one mobile equipment provided with a non-volatile memory.
• each mobile equipment comprises, a first communication means configured to establish an automatic connection with at least one equipment of the first network, a second communication means configured to establish an automatic connection with at least one equipment of the second network, and message processing means configured to transmit messages stored in the non-volatile memory of the mobile equipment to each connected equipment, and to save the messages transmitted by the mobile equipment in the non-volatile memory of the mobile equipment.
• Each first communication means may be configured to establish an automatic connection with only equipment belonging to the first network.
• Each second communication means may be configured to establish an automatic connection with only one equipment belonging to the second network.
• the first and second communication means may be configured to establish automatic connections simultaneously or asynchronously.
• Each equipment may comprise a non-volatile memory for storing the messages to be sent
• each equipment of the first network comprises a message processing means configured to transmit messages stored in its non-volatile memory to the non-volatile memory of the mobile equipment to which it is connected
• each equipment of the second network comprises a message processing means configured to transmit the messages stored in its non-volatile memory to the non-volatile memory of the mobile equipment to which it is connected
• each equipment having a means of processing messages configured to save the messages sent by the equipment in the nonvolatile memory of the equipment.
• the messages stored in the non-volatile memory of the equipment of the first network may comprise application messages destined for at least one destination device belonging to the second network
• the messages stored in the non-volatile memory of the equipment of the second network comprise application messages to destination of at least one destination device belonging to the first network
• each message processing means being configured to store, in the non-volatile memory of a destination device that receives an application message of which it is the addressee, an acknowledgment message associated with the received application message, and to delete, in the non-volatile memory an equipment that receives an acknowledgment message, the application message associated with the acknowledgment message received.
• Each application message may comprise a non-zero unique identifier, each non-volatile memory includes a zero-valued order number, and each message processing means is configured to delete the application messages received by a device if the identifier of the received application message is less than or equal to the order number of the equipment, and to increment the order number of the equipment if the identifier has a value consecutive to that of the order number of the equipment.
• the first network of equipment can correspond to the internet network and each mobile equipment is a wireless smart mobile phone.
• FIG. 1 schematically illustrates a message transmission device according to the invention
• FIG. 2 schematically illustrates a device belonging to the first equipment network
• FIG. 3 schematically illustrates a device belonging to the second equipment network
• Figure 4 schematically illustrates a mobile equipment
• Figure 5 schematically illustrates the main steps of a message transmission method according to the invention. detailed description
• FIG. 1 diagrammatically shows a system 1 for transmitting messages, comprising a first network 2 of equipment E1 to E5, and a second network 3 of equipment 4, 5.
• the first network 2 of equipment corresponds to a LAN of the LAN type.
• the LAN may use "bluetooth" technology or "Wi-Fi" technology that uses short-distance radio techniques to simplify connections between electronic devices.
• the equipment of the first network 2 are noted equipment to be supervised, they may be, for example, programmable controllers for the distribution of electricity, smart meters for the distribution of gas or water. They are located in a specialized room and can not be in direct communication with the second network 3 of extended communication.
• the second equipment network 3 corresponds to a wide area network of the WAN type, preferably the Internet network.
• the devices of the second network 3 are denoted remote devices, they may be, for example, laptops or fixed, having for example a dedicated software application to supervise the equipment of the first network 2 by exploiting the data taken from these equipment E1 to E5 .
• the second network 3 comprises only 4 supervisory equipment to promote the centralization of data.
• the first equipment network 2 may use a communication protocol different from that of the second network 3.
• the system 1 also comprises one or more mobile equipment 6, 7.
• a mobile equipment can be a portable device, such as a laptop.
• the mobile devices 6, 7 are wireless mobile phones, especially wireless smart mobile phones.
• Each device within the system 1 has wireless communication means 8, such as antennas respectively coupled to means of communication internal to the equipment, which are configured to exchange messages.
• the wireless communication means 8 allow the mobile equipment 6, 7 to exchange messages with the equipment of the first network 2, by radio waves, infrared, or other optical means. They also allow the mobile equipment 6, 7 to exchange messages with the remote equipment, preferably by radio waves.
• the wireless communication means 8 do not allow the equipment E1 to E5 of the first network 2 to exchange messages directly with those of the second network 3.
• the equipment of the first and second networks 2, 3 exchange messages via the mobile equipment 6, 7, which provide a relay of the transmission of messages.
• the mobile devices 6, 7 have a position that varies continuously, freely and randomly in the environment of the equipment to be supervised E1 to E5.
• Figure 1 there is shown, for example, a first mobile equipment 6 in communication with a remote device 4 and two equipment to be supervised E1, E2.
• the second mobile equipment 7 is, meanwhile, in communication with only two equipment to supervise E4, E5.
• the system 1 may comprise a mobile equipment that is not in communication with any equipment, or a mobile equipment that is in communication with only the remote equipment 4, or a combination of the aforementioned situations. .
• the mobile devices 6, 7 are successively connected locally to the equipment to be monitored E1 to E5, while being disconnected from the second network 3. Then the mobile devices 6, 7 connect to the second network 3, while can be disconnected from the equipment to be supervised E1 to E5.
• the mobile equipment 6 establishes an automatic connection with each of these devices.
• the mobile equipment 6 is close to the equipment to be supervised E1, E2.
• mobile equipment 6 passes near one or more remote equipment, usually via a GSM relay, mobile equipment 6 establishes an automatic connection with each of the remote equipment. At each automatic connection, an automatic transmission of messages takes place.
• Pass Nearby is defined as the fact that the mobile equipment is at a minimum sufficient distance from equipment, to be supervised or remote, to be able to establish a connection in order to transmit messages.
• FIG. 2 the various elements of a device to be supervised E1 to E5 are shown.
• Each device to be monitored comprises a non-volatile memory 10 configured to store messages to be sent M1, M2, MA1, a message processing means 11 configured to transmit the stored messages M1, M2, MA1, in its non-volatile memory 10, to one or more mobile equipment 6, 7 to which it is connected.
• the equipment to be supervised E1 there is shown in Figure 2, the equipment to be supervised E1.
• the equipment E1 also receives messages M3, MA2, MA3 from the remote equipment that has been sent by one or more mobile equipment 6, 7 with which the equipment E1 has been connected.
• the processing means 11 stores in the nonvolatile memory 10 all the messages to be sent to a remote device 4, 5.
• An application message is a message sent by a device of a network 2 or 3 to a device of the other network 2 or 3.
• Each application message comprises a unique non-zero identifier ID1 to ID3, preferably having a value an identifier of the equipment receiving the message, an identifier of the equipment transmitting the message, and useful data.
• the application message M1 has the identifier ID1, it is intended for the remote equipment 4, and will be sent by the equipment to be supervised E1.
• the useful data are intended to be exploited by software applications of the different equipment.
• Useful data for remote equipment is used, for example for supervision, and those for equipment to be supervised can be used, for example to parameterize them.
• the useful data from the equipment to be monitored can be alarms or status information.
• the acknowledgment messages make it possible to signal that an application message has been received by its recipient.
• Each acknowledgment message MA1 to MA3 is associated with the application message that has been received by its recipient.
• the acknowledgment messages MA1, MA2, MA3 comprise a specific header Ack, an identifier of the receiving device of the acknowledgment message and a unique identifier of the application message with which it is associated ID1, ID2, ID3.
• the acknowledgment message MA1 is intended for the destination equipment 4, and is associated with the application message M3.
• the acknowledgment messages do not include useful data.
• the exchanges of messages are made immediately during the connection, then on event when the equipment E1 stores messages in its non-volatile memory 10, or when it receives new messages from the mobile equipment 6, 7 to which it is connected , as long as the connection between the mobile equipment 6 and the equipment to be supervised E1 is active.
• the processing means 11 of each equipment to be supervised is configured to: receiving the acknowledgment messages MA2, MA3 from the remote equipment 4, 5 signaling that the remote devices have received the associated application messages M1 and M2;
• FIG. 3 shows the different elements of a remote device 4, 5.
• Each remote device comprises a non-volatile memory 12 configured to store messages to be sent M3, MA2, MA3, a message processing means 13 configured. to transmit the stored messages M3, MA2, MA3, in its non-volatile memory 12, to one or more mobile devices 6, 7 to which it is connected.
• the remote equipment 4 receives the messages M1, M2, MA1 from the equipment to be supervised E1 to E5.
• the processing means 13 stores in the nonvolatile memory 12 all the messages to be sent to a device to be supervised.
• each remote device is configured to:
• FIG. 4 shows the various elements of a mobile equipment 6, 7.
• Each mobile equipment 6, 7 comprises a non-volatile memory 14 configured to store messages to be sent M1 to M3 and MA1 to MA3, a means of message processing 15 configured to transmit the stored messages M1 to M3 and MA1 to MA3, in its non-volatile memory 14, to one or more equipment to which it is connected.
• Each mobile equipment 6, 7 also comprises a first communication means 16 configured to establish an automatic connection with least one equipment to be supervised E1 to E5, and a second communication means 17 configured to establish an automatic connection with at least one remote device 4, 5. An automatic connection is established each time the mobile equipment passes close to an equipment.
• the processing means 15 is further configured to store in the nonvolatile memory 14 all messages received from the equipment to which it has connected.
• FIG. 4 shows, for example, the mobile equipment 6.
• the messages are exchanged immediately during the connection and then on the event when the mobile equipment 6 stores new messages in its non-volatile memory 14 originating from equipment to supervise to which it is connected, as long as the connection between the mobile equipment 6 and the remote equipment 4 is active.
• the processing means 15 of each mobile equipment 6, 7 is configured to:
• each mobile equipment 6, 7 When a mobile device 6, 7 connects to one or more equipment to be monitored E1 to E5, via the local area network LAN, automatic transmission of messages takes place. The messages are exchanged immediately upon connection, then on event when the mobile equipment 6 stores new messages in its non-volatile memory 14 from remote equipment to which it is connected / as the connection between the mobile equipment 6 and equipment to supervise E1 is active.
• the processing means 15 of each mobile equipment 6, 7 is configured to:
• each mobile equipment 6, 7 is configured to delete SU3, in its non-volatile memory 14, the application messages M1 to M3 for which the associated acknowledgment messages have been received by the mobile equipment 6, 7.
• the processing means 15 of each mobile equipment is configured to transmit to the equipment to which it is connected, only the messages that are intended for the connected equipment.
• each mobile equipment 6, 7 may comprise a list of specific equipment which are recipients of messages, and in particular equipment which is authorized to exchange messages. Such a list is stored in the nonvolatile memory 14 of each mobile equipment 6, 7, and each mobile equipment is configured to automatically connect only with at least one of the specific devices belonging to the list.
• the mobile device checks whether it is part of the list and accepts or not to process its messages.
• the mobile equipment is transmitted respectively their messages stored in their non-volatile memory.
• each mobile device to be supervised, or remote, of the system 1, stores in its non-volatile memory the application and acknowledgment messages that have been sent, until the mobile equipment receives a message from acknowledgment associated with the application messages that have been issued.
• Each equipment of the system 1 stores all the messages in its non-volatile memory for a prolonged period in order to manage the temporary unavailability of the first and second networks 2, 3.
• the processing means of the equipment removes the associated application message from its non-volatile memory.
• the processing means of each device can transmit, to the equipment to which it is connected, a single file containing all the messages stored in its non-volatile memory.
• each equipment that receives messages can receive several times the same application messages transmitted by several different mobile devices that pass successively nearby.
• each equipment that is receiving messages may include a number of order initialized to the value zero and stored in its non-volatile memory.
• the means for processing each message receiving equipment is further configured to delete the received application message if the received application message has an identifier less than or equal to the stored sequence number.
• the means for processing the message receiving equipment is configured to take into account the application message.
• the means of processing each message recipient equipment increments the order number of the destination equipment if the identifier has a value consecutive to that of the stored sequence number.
• each remote equipment 4, 5 can be configured so that:
• the remote equipment stores in memory the identifier of each equipment to be supervised;
• the list of groups of equipment to be supervised that can be simultaneously connected to the same mobile equipment; the geographical position of the equipment to be supervised; managing a time counter for each equipment item to be supervised to ensure that each equipment item to be monitored has connected to at least one piece of mobile equipment with sufficient periodicity, that is to say that message exchanges could have taken place between this equipment equipment and remote equipment, for example at least once a day;
• Each device includes, in its non-volatile memory, a software application that manages all possible transient situations related to the number of mobile devices and the number of equipment to be monitored connected at any time and the availability of the first and second equipment networks.
• the software applications are configured to guarantee, over a determined period of time, for example a day, a week, or a month, that all the messages have been exchanged in the two directions of communication between the equipment to be supervised and the remote equipment.
• FIG. 5 there is shown schematically the main steps of a message transmission method.
• the process can be implemented by the message transmission system 1 which has just been described. It can be implemented within embedded microprocessors in each of the equipment of the system 1, or logic circuits, or implemented in software form.
• the method comprises a first communication step S1 comprising at least one automatic connection S1 1 between a mobile device 6, 7 and at least one equipment E1 to E5 of the first network 2, a second communication step S2 comprising at least one automatic connection S21. between a mobile equipment 6, 7 and at least one equipment 4, 5 of the second network 3, and a processing step of the transmitted messages S3.
• Each automatic connection S11, S21 comprises a transmission S4 messages stored in the non-volatile memory of the mobile equipment 6, 7 of the connection to each connected equipment.
• each automatic connection S11 of the first step S1 comprises, a transmission S5 stored messages in the non-volatile memory of each equipment E1 to E5 of the first network 2 which is connected to the nonvolatile memory 14 of the equipment mobile of the S11 connection.
• Each automatic connection S21 of the second step S2 comprises, a transmission S6 stored messages, in the non-volatile memory of each device 4, 5 of the second network 3 which is connected to the non-volatile memory 14 of the mobile equipment of the S21 connection.
• the processing step S3 includes an S31 backup of the messages that have been sent by each of the equipment of the system 1, in the non-volatile memory of the equipment that sent the message.
• the processing step S3 comprises, for each application message received by the equipment that receives the application message, a storage S32 in the non-volatile memory of the destination equipment, an acknowledgment message associated with the application message received.
• the processing step S3 also comprises a deletion step S33, in the non memory volatile of the equipment, the application message associated with the acknowledgment message received.
• the method and system that have just been described are particularly suitable for transmissions of messages for which there are no real-time constraints because the simultaneous availability of the two LANs and WANs is not always possible. They are therefore particularly suitable for remote monitoring or telecontrol applications (remote maintenance services, remote metering ...) which require a simple solution in which the supervised data can be stored locally and recovered without losses with a great periodicity.
• the equipment to be supervised are mobile motor vehicles, and that each mobile equipment is configured to communicate with the vehicle belonging to the user of the mobile equipment. Thus, each time a user uses his vehicle, the remote maintenance service of the vehicle can be informed of all the defects of the vehicle, without waiting for a breakdown or a periodic visit to the garage.

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

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• 2012
  • 2012-09-11 FR FR1202415A patent/FR2995480B1/fr not_active Expired - Fee Related
• 2013
  • 2013-08-27 EP EP13765368.9A patent/EP2896161A1/de not_active Withdrawn
  • 2013-08-27 BR BR112015005063A patent/BR112015005063A2/pt not_active IP Right Cessation
  • 2013-08-27 WO PCT/FR2013/000222 patent/WO2014041255A1/fr active Application Filing
  • 2013-08-27 CN CN201380045992.3A patent/CN104604183B/zh not_active Expired - Fee Related
  • 2013-08-27 US US14/416,416 patent/US9781748B2/en active Active

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