Brutel
Christophe Brutel, Cagnes FR
Patent application number | Description | Published |
---|---|---|
20080268794 | Linearization in a transmission chain - A transmission chain comprises a power amplifier adapted for receiving as input a signal to be amplified S | 10-30-2008 |
20090074105 | Correction of distortions in an emission chain - An emission chain is suitable for receiving an input signal and for providing a signal to be emitted. It comprises a processing pathway for the input signal which includes a digital signal decomposition according to N signal components, with N an integer greater than or equal to 2, said N signal components, on the one hand, being converted from a digital form into an analog form and, on the other hand, following respectively distinct physical pathways, said physical pathways inducing first respective delays on the N signal components. The input chain comprises a power amplifier. | 03-19-2009 |
20090122900 | Noise Power Interpolation in a Multi-Carrier System - A signal is received in a telecommunication network in the form of P signals received on P corresponding antennas, where P is greater than or equal to 1. The received signals correspond to a multi-carrier signal transmitted in the form of frames comprising symbols occupying corresponding positions distributed along a time axis and along a frequency axis; a frame comprising M blocks each having at least N reference symbols. The reference symbols in each of the blocks satisfy a first maximum spacing between each other along the time axis and a second maximum spacing between each other along the frequency axis, less than a first value and a second value respectively, M being an integer number equal to at least two. M estimated noise power values are determined at frame level, each related to one of the M emitted reference symbol blocks. Values of the estimated noise power for the other symbols in the frame are then obtained from the determined estimated noise power values. | 05-14-2009 |
Christophe Brutel, Cagnes Sur Mer FR
Patent application number | Description | Published |
---|---|---|
20080247482 | Ofdm Reception in Multi-Antenna Mode - A signal is received by P antennas. It includes frames having symbols occupying respective positions distributed along an axis of time and of frequency, a frame including M blocks having N reference symbols M groups of P weighting coefficients are determined, each one of the groups relating to one of the blocks emitted, with the coefficients of a group being associated to the blocks which are received on the P antennas and which correspond to the block emitted relating to the group. The coefficients are determined so as to increase via a threshold value, an error value for each block emitted, between the reference symbols of the block emitted, and the symbols obtained using the symbols received on each antenna at the positions of reference symbols corresponding to the block emitted and the associated coefficients. Then, weighting coefficients are obtained for the other symbols of the frame Finally, a composite signal is generated by summing up the symbols received respectively weighted by the associated weighting coefficients. | 10-09-2008 |
Christophe Brutel, Espoo FI
Patent application number | Description | Published |
---|---|---|
20140250325 | DATA PACKET TRANSMISSION METHOD - This transmission comprising a first transmission of a packet ( | 09-04-2014 |