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| Number | Title | Issue Date |
| 8160119 | Method and device for anti-interference fighting in a telecommunications system A method of fighting interference in a frequency-hopping communication system is disclosed. The system has at least one main sensor and one or more auxiliary sensors. According to at least one embodiment, frequency-hopping signals are received. The frequency-hopping... | 04/17/2012 |
| 7969360 | High resolution, arbitrary-even-order direction finding method and device Method of high-resolution direction finding to an arbitrary even order, 2q (q>2), for an array comprising N narrowband antennas each receiving the contribution from P sources characterized in that the algebraic properties of a matrix of cumulants of order 2q, C... | 06/28/2011 |
| 7940856 | Method and device for synchronizing rectilinear or quasi-rectilinear links in the presence of interference A method of synchronizing a substantially rectilinear signal being propagated through an unknown channel, in the presence of unknown substantially rectilinear interferences, received by an array of N sensors, in which a known training sequence s(nT) is used comprisi... | 05/10/2011 |
| 7453399 | Antenna processing method for potentially non-centered cyclostationary signals An antenna processing method for centered or potentially non-centered cyclostationary signals, comprises at least one step in which one or more nth order estimators are obtained from r-order statistics, with r=1 to n−1, and for one or more values of r, it comprise... | 11/18/2008 |
| 7346310 | Method for verifying anti-scrambling efficiency of a communication system A method for the verification of anti-jamming in a communications system comprises several sensors or adaptive antennas, comprising at least the following steps: estimating the mean power π;^y of the output of the commu... | 03/18/2008 |
| 7336734 | Method and device for the fourth-order, blind identification of an under-determined mixture of sources A method for the fourth-order, blind identification of at least two sources in a system comprising a number of sources P and a number N or reception sensors receiving the observations, said sources having different tri-spectra. The method comprises at least the foll... | 02/26/2008 |
| 7283790 | Blind process and receiver to determine space-time parameters of a propagation channel Blind or partially blind process to determine characteristic space-time parameters of a propagation channel in a system comprising at least one reception sensor receiving a signal y(t). It comprises at least one step in which the specular type structure of the chann... | 10/16/2007 |
| 7091906 | Method and device for the calibration-equalization of a reception system A device and method for the calibration and equalization of reception chains of an antenna processing system comprises several RF chains, each associated with a radiating element, a set of sensors Ci formed out of the outputs of the preceding RF chains, a channel fo... | 08/15/2006 |
| 7079988 | Method for the higher-order blind identification of mixtures of sources A method for the blind identification of sources within a system having P sources and N receivers comprises at least one step for the identification of the matrix of the direction vectors of the sources from the information proper to the direction vectors ap | 07/18/2006 |
| 7062227 | Method and device for the estimation of a propagation channel from its statistics A method and device to estimate the impulse response h of a propagation channel in a system comprising at least one or more sensors, comprising at least one step for estimating the statistics of the additive noise resulting from the interference and from the thermal... | 06/13/2006 |
| 6853961 | Method for estimating a correlation matrix of interfering signals received through a sensor array Process for estimating the correlation matrix of signals of unknown characteristics in an array of N sensor. The process determines the correlation matrix {circumflex over (R)}s of the signals of known characteristics, estimates the correlation matrix {circumflex ov... | 02/08/2005 |
| 6807517 | Method to estimate the parameters of a propagation channel A method for estimating one or more parameters of a propagation channel, with a priori knowledge of at least one signal, in a system having one or more sensors. The method includes correlating one or more signals received by the sensors with the known signal, sampli... | 10/19/2004 |
| 6239746 | Radiogoniometry method and device co-operating in transmission A process and device related to multisensor radio direction finding receivers usable in radio communication systems including several emission sources. The process and device isolate the contribution of each emission source in sensor signals so as to perf... | 05/29/2001 |
| 6240098 | Method and device for space division multiplexing of radio signals transmitted in cellular radio communications A method and apparatus for spatial multiplexing and demultiplexing of radio signals. A multichannel transmitter and receiver is integrated in a base station and coupled to an antenna array. Using digital radio signals containing previously known or non-Ga... | 05/29/2001 |
| 5870430 | Process for multi-sensor equalisation in a radio receiver in the presence of interference and multiple propagation paths The process according to the invention consists, in order to reduce the number of coefficients of the filters of the spatial part and the temporal part connected to the output of the spatial part, in jointly adapting the coefficients of the filters of eac... | 02/09/1999 |
| 5752168 | Multisensor reception method for a fixed base station of a communications network exchanging data with mobile stations and device for its implementation Disclosed is a method enabling the improvement of the multisensor reception of a system of radiocommunications exchanging signals between at least one fixed base station providing for multisensor reception by means of a network of sensors, and the process... | 05/12/1998 |
