Abstract: A method for the wireless transmission of data between a transmitter and a receiver, involving the use of at least one single-carrier pilot signal and at least one signal for the transmission of data transmitted using a multicarrier modulation. A estimation of the response of the transmission channel of the first signal is produced, the estimation takes account of the single-carrier pilot signal and at least one part of the pilot signal which coincides temporarily with at least one part of said first signal. The invention also relates to the transmitter, the receiver and a corresponding signal.

Abstract: A method is provided for producing a component or a module comprising a component assembly arranged on a substrate in a housing which is mountable on a printed circuit. The inventive method includes at least one stage when at least one part of the module is coated with an insulating material, and at least one stage when at least one conductive area is produced on one part of said insulating material in such a way that the areas forming and/or receiving at least one part of the component and/or at least one interconnection element are defined.

Abstract: A system for processing signals received and transmitted by a radiocommunication apparatus comprising two modules and to the corresponding module and device. The system includes signal-processing means distributed between two different modules and each of said modules comprises at least two components on a substrate in a case which is designed to be mounted on a printed circuit, said modules exchanging intermediate signals on an interface provided for said purpose.

Abstract: An embodiment of the invention relates to a radio communications device that includes at least one light source to indicate at least two distinct statuses of the device and whose luminosity varies according to different rhythms based on these statuses. In at least one initial status, the light source is controlled by a noticeably periodic digital signal that powers the integration means connected to it.

Abstract: The invention relates to a radiocommunication module (2), of the type cooperating with a SIM card (1) in the form of at least one first SIM Application Toolkit dialogue. According to the invention, said module also cooperates with third item of equipment (3) and comprises means (21) to convert said at least one first dialogue, between said SIM card and said module, into at least one second dialogue, between said module and said third item of equipment, such that said SIM card controls said third item of equipment via said module.

Abstract: The invention relates to an autonomous device that is used to handle an electronic component (1), comprising a body (2) and head (3) for picking up said component (1) magnetically. Moreover, the aforementioned pick-up head (3) comprises a permanent magnet (4) and mechanical separation means which can move in relation to one another such that the device can occupy at least two positions, namely: a pick-up position, in which the magnet (4) interacts with the component (1) so as to keep said component in contact with a contact surface of the head (3); and a release position, in which the magnet (4) is moved away from the component (1) such as to stop the magnetic interaction.

Abstract: The invention concerns a cellular radio telephone signal comprising a symmetrical two-way main channel, including a main uplink and a main downlink, in particular transmitting low or medium speed data and signalling and control data, and comprising at least one additional channel solely assigned to the downlink, transmitting in particular, high speed data transmission. At one given time, all or part of said supplementary channel transmission capacity can be dynamically allocated to a particular mobile station. Information for retrieving data intended for a particular mobile station and carried by said supplementary channel can be transmitted among said main downlink signalling and control data.

Abstract: A cellular communication system is provided comprising a terminal, a base station (for example UMTS) and a communication equipment designed to transmit data to a terminal and which is not provided with an uplink channel (for example using an OFDM technique). By transmitting via the TCP channel data other than those for controlling the power of the receiver base station, the terminal can control the power of the OFDM system transmitting high speed data to the terminal, the OFDM system being coupled to the UMTS network with which the terminal communicates.

Abstract: An embodiment of the invention relates to a radio communications device that includes at least one light source to indicate at least two distinct statuses of the device and whose luminosity varies according to different rhythms based on these statuses. In at least one initial status, the light source is controlled by a noticeably periodic digital signal that powers the integration means connected to it.

Abstract: The invention concerns a cellular radio telephone signal comprising a symmetrical two-way main channel, including a main uplink and a main downlink, in particular transmitting low or medium speed data and signaling and control data, and comprising at least one additional channel solely assigned to the downlink, transmitting in particular, high speed data transmission. At one given time, all or part of said supplementary channel transmission capacity can be dynamically allocated to a particular mobile station. Information for retrieving data intended for a particular mobile station and carried by said supplementary channel can be transmitted among said main downlink signaling and control data.

Abstract: A digital signal is organized in consecutive data trains each comprising a predetermined number of successive symbols, each of said data trains comprising at least two distinct reference blocks for the estimation of said channel, distributed among the useful symbols representing the source signal to be transmitted, each of said reference blocks being formed by at least one reference symbol known to the receiver and/or identifiable by said receiver. The reference symbols present in the reference blocks may be explicit reference symbols that are fixed and known a priori by said receiver and/or implicit reference symbols produced by the links generated between the useful symbols by an encoding operation. Also disclosed are channel estimation methods implementing an estimation-maximization algorithm and/or using a combination of predetermined basic functions, with a bandwidth greater than or equal to the Doppler power spectrum of said signal.

Abstract: The present invention relates to a waveguide band reject filter employing TEM coaxial type resonators that partially protrude into the top wall of the waveguide in such a way as to produce a predetermined frequency selective discontinuity. By proper choice of location, number of resonators, resonator configuration and protrusion, a spurious free highly efficient frequency selective band reject filter response can be obtained.

Abstract: A solenoid is disclosed which uses a plastic coil bobbin as the bearing surface for the armature, the body of which extends coaxially through the central cylindrical cavity of the bobbin. Extending into this cavity, from the end opposite the armature, is a plug which is rigidly fixed to the bobbin by an outer housing that surrounds the bobbin and has a skirt which captures a flanged end of the plug. A plunger that extends through an axial bore in the plug floats freely, coaxially of the bobbin. The interior end of the plunger has an enlarged head that is received within a bore in the armature body. A bias spring is situated between this plunger head and a counterbore in the plug.