Abstract: A method for redundancy control is disclosed. CIoT reader devices act as collaborative IoT gateways for connected objects and collect received data from the connected objects and transmit the data to a backend cloud infrastructure. The method includes assigning to each connected object an identifier ID and a freshness indicator, where the freshness indicator is a label having a value of “fresh” or “expired”, upon receiving data from at least one connected object, setting the freshness indicator to “fresh” for each respective connected object, wherein for each connected object the freshness indicator is configured to change to “expired” after a pre-determined period of time, and sending a message to coordinator device, the message containing a fresh list of ID's of connected objects for which the freshness indicator has “fresh”, wherein the coordinator device broadcasts the fresh list to CIoT reader devices within a broadcasting range of the coordinator device.

Abstract: A method for processing a first call received in a call centre via a telecommunications network, originating from a user terminal, includes placing the first call in a queue when no operator terminal of the call centre is available to take the first call. The method includes: transmitting, to the user terminal, an information message indicating to the user the possibility of making a second call within a determined time interval, while benefiting from the place of the first call in the queue; following receipt of an approval message originating from the user terminal, transmitting, to the user terminal, a user identification code, this code needing to be provided by the user at the time of the second call in order that the second call can take advantage of the place of the first call in the queue.

Abstract: A method for estimating the time of flight between a first equipment item and a second equipment item includes the following steps carried out by the first equipment item: reception from the second equipment item of a transmission information item representing a time interval between the instant of reception of a message from the first equipment item and the instant of transmission by the second equipment item of a message including the transmission information item; and estimation of the time of flight between the first equipment item and the second equipment item by using the transmission information item. The time of flight can be used to determine the distance between two equipment items, for synchronizing two equipment items, or for detecting a movement of an equipment item.

Abstract: A method for processing a data packet exchanged between an item of client terminal equipment and an item of server equipment in a communication network, which the item of client equipment accesses via a first communication network, a first quality of service level being intended to be applied to the data packet. The method is implemented by an item of routing equipment of the first communication network and includes: detecting in the data packet at least one item of activation information of a second quality of service level to be applied to the data packet; obtaining a quality of service management rule according to the second quality of service level, associated with the item of activation information; applying the second quality of service level to the routing of the data packet according to the obtained rule, instead of the first quality of service level.

Abstract: A method, implemented by a first device, for establishing a radiofrequency communication with at least a second device is disclosed. The method includes a) transmission of a first message at a first transmission power, b) reception of at least one second message coming from at least the second device, the second message including data relating to a second transmission power of the second device, c) transmission of a third message at a third transmission power towards the second device, the third transmission power being determined on the basis of the second transmission power.

Abstract: A method for communicating an estimate of the location of at least one radio terminal to a connected object. The method is implemented by a mobile terminal and includes: receiving, at a given time, via at least one received radio signal, at least one identifier of a radio terminal; obtaining at least one estimate of the location of an identified radio terminal; associating, with each identifier, the location of the corresponding radio terminal and the time of reception of the corresponding radio signal; and broadcasting the aforementioned association via at least one radio signal to at least one connected object.

Abstract: A method for redundancy control is disclosed. CIoT reader devices act as collaborative IoT gateways for connected objects and collect received data from the connected objects and transmit the data to a backend cloud infrastructure. The method includes assigning to each connected object an identifier ID and a freshness indicator, where the freshness indicator is a label having a value of “fresh” or “expired”, upon receiving data from at least one connected object, setting the freshness indicator to “fresh” for each respective connected object, wherein for each connected object the freshness indicator is configured to change to “expired” after a pre-determined period of time, and sending a message to coordinator device, the message containing a fresh list of ID's of connected objects for which the freshness indicator has “fresh”, wherein the coordinator device broadcasts the fresh list to CIoT reader devices within a broadcasting range of the coordinator device.

Abstract: A connected object, which is able to calculate its own position without using embedded elements specific for doing this. The connected object possesses a wireless receiver for receiving signals coming from a plurality of located terminals. The signals include location data for locating the located terminals. The connected object calculates a piece of geolocation information of its own position based on a plurality of location data coming from the various located terminals.

Abstract: An incident reporting method implemented by a computer. The method includes: generating, at a processing structure, a piece of incident reporting information depending on incident reporting data relative to the incident and generated at one or more user terminals and including at least geolocation data of the incident, selecting one or more recipients of the received incident reporting data depending on the incident reporting data, the recipient or recipients being selected from a database of recipients of the processing structure, and transmitting the incident reporting information to the selected recipient or recipients.

Abstract: A method for determining noise associated with a received signal in a telecommunications network, the received signal being sampled beforehand in the form of a succession of data. The method includes: selecting a portion of the data in the received signal and determining a given number of possible partitions of the selected portion of the data in the received signal, the number of partitions being greater than or equal to two; partitioning all of the data in the received signal into the number of partitions; estimating mean energies of the signal in each of the partitions and identifying a partition from among the partitions having a minimum mean, the identified partition being a noise partition; and estimating a variance of the noise partition, the noise associated with the received signal being a function of the variance of the noise partition.

Abstract: A method for transmitting a data stream containing a second ordered sequence of numerical values, which sequence is determined from a first ordered sequence, a second succession of consecutive numerical values of the second sequence being obtained from a corresponding succession of consecutive numerical values of the first sequence. The method estimates a load value representative of a current load on the network, to determine, depending on the estimated value, a second succession to be transmitted in a predefined time interval following the current time, the second succession being a corresponding first succession of the first sequence or a succession modified by applying a selection law to the bits of the first succession and to transmit the second succession and, in case of transmission of a modified succession, a processing indicator signaling a succession modification.

Abstract: A connected object, which is able to calculate its own position without using embedded elements specific for doing this. The connected object possesses a wireless receiver for receiving signals coming from a plurality of located terminals. The signals include location data for locating the located terminals. The connected object calculates a piece of geolocation information of its own position based on a plurality of location data coming from the various located terminals.

Abstract: Some embodiments relate to a data processing method comprising selecting a key from a plurality of previously stored keys, depending on at least on predefined criterion relating to at least one current value of at least one given repository. Other embodiments relate to a reception method comprising receiving second data obtained by applying, to first obtained data, a first cryptographic function using a key selected from a plurality of previously stored keys, depending on at least one predefined criterion relating to a current value of at least one given repository and for obtaining the first data by applying, to the second received data, a second cryptographic function using a second key associated with the selected key. Further embodiments relate to a processing device and a reception device that respectively implement the processing method and the reception method.

Abstract: A method for transmitting a data stream containing a second ordered sequence of numerical values, which sequence is determined from a first ordered sequence, a second succession of consecutive numerical values of the second sequence being obtained from a corresponding succession of consecutive numerical values of the first sequence. The method estimates a load value representative of a current load on the network, to determine, depending on the estimated value, a second succession to be transmitted in a predefined time interval following the current time, the second succession being a corresponding first succession of the first sequence or a succession modified by applying a selection law to the bits of the first succession and to transmit the second succession and, in case of transmission of a modified succession, a processing indicator signaling a succession modification.

Abstract: A signal generation method for generating a signal that is to be transmitted in a network of connected objects. The method includes: an obtaining step for obtaining a first signal conveying a stream of data acquired by a connected object of the network; a reception step for receiving a synchronization second signal including information providing a timestamp for the first signal; and a generation step for generating a third signal by using a reversible operation to combine the first signal and the synchronization second signal.

Abstract: A signal generation method for generating a signal that is to be transmitted in a network of connected objects. The method includes: an obtaining step for obtaining a first signal conveying a stream of data acquired by a connected object of the network; a reception step for receiving a synchronization second signal including information providing a timestamp for the first signal; and a generation step for generating a third signal by using a reversible operation to combine the first signal and the synchronization second signal.

Abstract: Some embodiments relate to a data processing method comprising selecting a key from a plurality of previously stored keys, depending on at least on predefined criterion relating to at least one current value of at least one given repository. Other embodiments relate to a reception method comprising receiving second data obtained by applying, to first obtained data, a first cryptographic function using a key selected from a plurality of previously stored keys, depending on at least one predefined criterion relating to a current value of at least one given repository and for obtaining the first data by applying, to the second received data, a second cryptographic function using a second key associated with the selected key. Further embodiments relate to a processing device and a reception device that respectively implement the processing method and the reception method.

Abstract: A method and device are provided for managing transmissions of a plurality of sets of measurements performed periodically by a measurement sensor capable of communicating with a collection device via a radio network. The method determines, according to a random distribution law, a date of transmission for each set of measurements of the plurality and transmits a message relating to at least one set of measurements, on one of the dates of transmission determined for the plurality.

Abstract: A method is provided for routing data received during a first time window by a node-forming device of a network having a plurality of nodes suitable for communicating over a wireless communications channel. The method is adapted to select a time slot from a set of predefined time slots in a second time window consecutive with the first time window, to monitor the communications channel between the end of the first time window and the selected time slot in order to detect the presence or the absence of a signal on the channel, and to broadcast the data from an instant of the selected time slot in the event of detecting the absence of a signal and not to broadcast in the event of detecting the presence of a signal. Also provided is a node-forming device that performs the routing method.

Abstract: A method of communicating between at least one event detector sensor and a collector of event detection data transmitted by the sensor in the form of an event signalling message whose modulation is defined by at least one spreading code. The method comprises the steps implemented by the sensor of, upon detection of an event, generation of data of event detection, of reception of a synchronization message emitted by the collector, the synchronization message comprising a seed for a pseudo-random generation of at least one spreading code and of pseudo-random generation of at least one spreading code on the basis of the seed. The method furthermore comprises a step of emitting an event signalling message whose modulation is defined by the at least one spreading code generated randomly, the event signalling message comprising the event detection data.