Abstract: The present invention generally relates to digital communications, and more particularly, to a method and a device for sharing wireless transmission of first data and wireless reception of second data and an apparatus implementing the method.

Abstract: The invention discloses a method for reception of an audio-visual programme transmitted via portions over a network, the method using a real-time transport protocol and a real-time control protocol between a server and a receiver, the audio-visual programme being available on the server in a plurality of versions corresponding to the programme coded in different resolutions and enabling its transmission at different bitrates according to requests of the receiver. The method comprising a regular measurement of the bandwidth of the network by the receiver in order to adjust the transmission bitrate according to the state of the network.

Abstract: The present invention relates to a diversity antennas system comprising at least two antennas of the dipole type each formed by a first and a second conductive arm, supplied differentially wherein the two antennas comprise a common arm called first arm forming at least one cover for an electronic card and each one a second arm mounted in rotation at one extremity of the first arm.

Abstract: The present invention generally relates to digital communications, and more particularly, to a method and a device for sharing wireless transmission of first data and wireless reception of second data and an apparatus implementing the method.

Abstract: A method of decoding an audio/video content transmitted over a broadband network. The method being based on the quick decoding of the first frames of a group of pictures without rendering them if the group of pictures arrives too late to be rendered synchronously with another audio/video content received through a broadcast network. The method allowing the synchronized rendering of contents respectively received over broadcast and broadband networks as soon as possible for the viewer.

Abstract: The invention relates to a method of resending at least one digital signal, comprising a step of reception by cable of the signal comprising signaling information, a step of resending of this signal at a resend frequency by an antenna, and also comprising a step of selecting the resend frequency as a function of the signaling information; a step of transposing the signal into the selected frequency of the resend signal and a step of monitoring and adjusting the frequency of the resend signal as a function of the selected frequency of the resend signal.

Abstract: The present invention relates to a compact wideband antenna of the dipole type comprising a first 1 and a second 2 conductive arm supplied differentially, one of the arms called first arm 1 forming at least one cover for an electronic card. Said type of antenna is connected to a portable electronic appliance such as a PC or similar device.

Abstract: A technique for controlling a transmitter apparatus is useful for reducing power consumption, and may be particularly applicable to portable apparatuses such as mobile transceivers which employ a battery power supply. According to an exemplary embodiment, the transmitter apparatus includes a power amplifier for amplifying a transmission signal. A processor controls the power amplifier based on a type of digital modulation associated with the transmission signal.

Abstract: A communications system includes a wireless telephony network and a wireless Local Area Network (LAN), both accessible by a mobile communications device (16). To facilitate transitioning of the mobile communications device to the wireless LAN from the wireless telephony network, the wireless LAN includes a beacon transmitter, which generates a synchronization channel having a pattern unique to the wireless LAN. The Wireless LAN synchronization channel is received at a first receiver in the mobile communications device together with a synchronization channel from the wireless telephony. The wireless LAN synchronization channel enables the mobile communication device to synchronize with, for transitioning to, the wireless LAN.

Abstract: The present invention relates to a compact multiband antenna constituted by a first dipole type element comprising a first conductive arm connected to a second conductive arm having the shape of a box, mounted on a ground plane, the first and the second arms being supplied differentially and a second element of the slot type realized on said ground plane in the extension of said second arm.

Abstract: The present invention relates to a diversity antennas system comprising at least two antennas of the dipole type each formed by a first and a second conductive arm, supplied differentially wherein the two antennas comprise a common arm called first arm forming at least one cover for an electronic card and each one a second arm mounted in rotation at one extremity of the first arm.

Abstract: A technique for controlling a transceiver apparatus is useful for reducing power consumption, and may be particularly applicable to mobile transceivers which employ a battery power supply. According to an exemplary embodiment, the transceiver apparatus includes a power amplifier for amplifying a transmission signal. A controller controls the power amplifier based on a power level of third order intermodulation products associated with the power amplifier.

Abstract: The present invention relates to a compact multiband antenna constituted by a first dipole type element comprising a first conductive arm connected to a second conductive arm having the shape of a box, mounted on a ground plane, the first and the second arms being supplied differentially and a second element of the slot type realized on said ground plane in the extension of said second arm.

Abstract: The present invention relates to a compact wideband antenna of the dipole type comprising a first 1 and a second 2 conductive arm supplied differentially, one of the arms called first arm 1 forming at least one cover for an electronic card. Said type of antenna is connected to a portable electronic appliance such as a PC or similar device.

Abstract: A communications system includes a wireless telephony network and a wireless Local Area Network (LAN), both accessible by a mobile communications device (16). To facilitate transitioning of the mobile communications device to the wireless LAN from the wireless telephony network, the wireless LAN includes a beacon transmitter, which generates a synchronization channel having a pattern unique to the wireless LAN. The Wireless LAN synchronization channel is received at a first receiver in the mobile communications device together with a synchronization channel from the wireless telephony. The wireless LAN synchronization channel enables the mobile communication device to synchronize with, for transitioning to, the wireless LAN.

Abstract: A wireless radio frequency (RF) transmitter includes a power amplifier and a predistorter for injecting a distortion signal into an RF signal prior to amplification for use in linearizing the power amplifier; wherein the predistorter includes a phase shifter operating at less than twice a carrier frequency of the RF signal.

Abstract: A technique for controlling a transceiver apparatus is useful for reducing power consumption, and may be particularly applicable to mobile transceivers which employ a battery power supply. According to an exemplary embodiment, the transceiver apparatus includes a power amplifier for amplifying a transmission signal. A controller controls the power amplifier based on a power level of third order intermodulation products associated with the power amplifier.

Abstract: A technique for controlling a transmitter apparatus is useful for reducing power consumption, and may be particularly applicable to portable apparatuses such as mobile transceivers which employ a battery power supply. According to an exemplary embodiment, the transmitter apparatus includes a power amplifier for amplifying a transmission signal. A processor controls the power amplifier based on a type of digital modulation associated with the transmission signal.

Abstract: A wireless radio frequency (RF) transmitter includes a power amplifier and a predistorter for injecting a distortion signal into an RF signal prior to amplification for use in linearizing the power amplifier; wherein the predistorter includes a phase shifter operating at less than twice a carrier frequency of the RF signal.

Abstract: The present invention relates to a self-adaptive band-pass filtering device in a microwave signal transmitter and/or receiver, the receiver being connected to a microwave signal receiving antenna connected to the input of a low-noise amplifier, a mixer that receives, on the one hand, the output signal of the low-noise amplifier and, on the other hand, the signal from a frequency synthesizer, characterized in that the self-adaptive filtering device comprises, upstream of the amplifier, on the one hand, at least one filtering means having at least two different frequency bands and, on the other hand, means for selecting either a filtering means or one of the frequency bands depending on the frequency of the signal to be received.