Abstract: A method for transmitting a broadcasting message by an access network intended for a group of terminals. The terminals are configured to recurrently and asynchronously transmit polling messages intended for the access network. An instant for transmitting the broadcasting message is determined on the basis of information relating to the recurrence of the polling messages transmitted by the terminals of the group. Before transmitting the broadcasting message and for each polling message received from a terminal of the group, a response message including one or more parameters relating to the transmission of the broadcasting message is transmitted. The response message needs to be received by the terminal during a listening window with a predetermined duration following the transmission of the polling message. The broadcasting message is transmitted over the broadcasting channel at the determined transmission instant.

Abstract: A method for wireless communication between a plurality of transmitter devices and at least one receiver device using a repeater device on the surface of the Earth. Messages transmitted by transmitter devices and received by the repeater device are collected by the repeater during a collection window. The messages received during the collection window are retransmitted to the receiver device by the repeater device. The messages received during the collection window are retransmitted so that at least two messages received non-simultaneously are retransmitted simultaneously to the receiver device.

Abstract: In a wireless communication system, there is disclosed a method for decoding a frame transmitted by a transmitter device is executed by a receiver device. The method includes the following steps:—selecting one or more gateway stations likely to have detected, on a communication channel, a corrupted frame corresponding to the frame to be decoded, the selection being carried out such that, in order to be selected, a gateway station does not have communicate beforehand, to the receiver device, any item of information relating to the possibly detected corrupted frame in order;—sending a request to each selected gateway station in order to request the selected gateway station to transmit the possibly detected corrupted frame; and—combining the corrupted frames transmitted by the various selected gateway stations in order to decode the frame.

Abstract: A method for transmitting a message via an access network to a group of terminals is provided. The access network transmits the message to the group of terminals over a broadcast channel. The access network receives a request for retransmission of the message transmitted from a terminal that has not correctly received the message. The access network evaluates a predetermined broadcast retransmission criterion and retransmits the message over a point-to-point link or over a broadcast channel according to the predetermined broadcast retransmission criterion.

Abstract: A method for achieving wireless communication between a transmitter and a receiver via a repeater device. The value of a first physical property of a message received from the transmitter is measured by the repeater device. The value of a second physical property to be used for the retransmission of the message is determined by the repeater device depending on the value of the first physical property measured for the received message. The message is retransmitted to the receiver by the repeater device using the determined value of the second physical property.

Abstract: A wireless communication system including a cellular access network connected to a cellular network core, the cellular access network including cellular base stations adapted to exchange data with terminals on physical channels, called coordinated access channels, each cellular base station serving a geographical area, all the geographical areas served by the cellular base stations forming a geographical region. The wireless communication system includes random access base stations serving the geographical region, each random access base station being adapted to receive data emitted by terminals on a permanent physical channel, called random access channel, the permanent physical random access channels of the random access base stations using the same radio resources throughout the geographical region.

Abstract: A method for transmitting a broadcasting message by an access network intended for a group of terminals. The terminals are configured to recurrently and asynchronously transmit polling messages intended for the access network. An instant for transmitting the broadcasting message is determined on the basis of information relating to the recurrence of the polling messages transmitted by the terminals of the group. Before transmitting the broadcasting message and for each polling message received from a terminal of the group, a response message including one or more parameters relating to the transmission of the broadcasting message is transmitted. The response message needs to be received by the terminal during a listening window with a predetermined duration following the transmission of the polling message. The broadcasting message is transmitted over the broadcasting channel at the determined transmission instant.

Abstract: A method for transmitting a message via an access network to a group of terminals is provided. The access network transmits the message to the group of terminals over a broadcast channel. The access network receives a request for retransmission of the message transmitted from a terminal that has not correctly received the message. The access network evaluates a predetermined broadcast retransmission criterion and retransmits the message over a point-to-point link or over a broadcast channel according to the predetermined broadcast retransmission criterion.

Abstract: A method for achieving wireless communication between a transmitter and a receiver via a repeater device. The value of a first physical property of a message received from the transmitter is measured by the repeater device. The value of a second physical property to be used for the retransmission of the message is determined by the repeater device depending on the value of the first physical property measured for the received message. The message is retransmitted to the receiver by the repeater device using the determined value of the second physical property.

Abstract: A method for wireless communication between a plurality of transmitter devices and at least one receiver device using a repeater device on the surface of the Earth. Messages transmitted by transmitter devices and received by the repeater device are collected by the repeater during a collection window. The messages received during the collection window are retransmitted to the receiver device by the repeater device. The messages received during the collection window are retransmitted so that at least two messages received non-simultaneously are retransmitted simultaneously to the receiver device.

Abstract: A wireless communication system including a cellular access network connected to a cellular network core, the cellular access network including cellular base stations adapted to exchange data with terminals on physical channels, called coordinated access channels, each cellular base station serving a geographical area, all the geographical areas served by the cellular base stations forming a geographical region. The wireless communication system includes random access base stations serving the geographical region, each random access base station being adapted to receive data emitted by terminals on a permanent physical channel, called random access channel, the permanent physical random access channels of the random access base stations using the same radio resources throughout the geographical region.