Patents by Inventor Cédric DEHOS

Cédric DEHOS has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220163648
    Abstract: A radar measuring device including at least: a circuit for generating a radar signal RFIN(t); an emitting antenna; an injection-locked oscillator; a first power divider comprising an input coupled to an output of the circuit for generating the radar signal RFIN(t), a first output coupled to the emitting antenna, and a second output to an input of the injection-locked oscillator which is configured to be locked over a portion of an effective band B of the radar signal RFIN(t); a receiving antenna intended to receive a reflected radar signal RFIN_REFL(t); a mixer comprising a first input coupled to the receiving antenna, a second input coupled to an output of the injection-locked oscillator, and an output coupled to an input to a signal processing circuit.
    Type: Application
    Filed: November 24, 2021
    Publication date: May 26, 2022
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Mykhailo ZARUDNIEV, Cédric DEHOS, Alexandre SILIGARIS
  • Publication number: 20220057479
    Abstract: A generator of a frequency modulated radar signal, comprising: a generator of a periodic signal frequency modulated over a part Tramp of a period T, corresponding to a square signal of which the frequency varies linearly in a first frequency band Bin of central frequency fin; an oscillator generating a sinusoidal signal of frequency fc>fin and comprised in a second frequency band Bamp>Bin and corresponding to the linear variation of the frequency of the radar signal; means coupled to an electrical supply input of the oscillator such that they generate a voltage for supplying the oscillator at the frequency of the frequency modulated periodic signal.
    Type: Application
    Filed: August 19, 2021
    Publication date: February 24, 2022
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Mykhailo ZARUDNIEV, Etienne ANTIDE, Cédric DEHOS, José-Luis GONZALEZ JIMENEZ, Clément JANY, Alexandre SILIGARIS
  • Publication number: 20210116501
    Abstract: A radiofrequency transmission/reception integrated circuit includes at least one radiofrequency signal amplifier (PA, LNA), the at least one amplifier being configured, in operational mode, so as to perform a function of amplifying a radiofrequency signal applied at input, wherein the amplifier is configured so as to perform an oscillator function in a self-test mode of the integrated circuit, to generate a radiofrequency signal on at least one of the input or the output of said amplifier. A self-test method for such an integrated circuit is also provided.
    Type: Application
    Filed: October 22, 2020
    Publication date: April 22, 2021
    Inventors: Baudouin MARTINEAU, Cédric DEHOS
  • Patent number: 10862721
    Abstract: A carrier recovery system for a receiver of a phase-modulated signal N-PSK, the system including a first pre-conditioning circuit of the signal received (S(t)), with the pre-conditioned signal (SP(t)) having a component, non-modulated in phase, at the frequency Nƒc where ƒc is the carrier used for the modulation N-PSK, and a carrier regeneration circuit to regenerate two sinusoidal signals in quadrature at the frequency ƒc, with these signals being phase locked with respect to said non-modulated component in phase of the pre-conditioned signal.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: December 8, 2020
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVE
    Inventors: Alexandre Siligaris, Cedric Dehos, Jose-Luis Gonzalez Jimenez, Clement Jany, Baudouin Martineau
  • Publication number: 20200044900
    Abstract: A carrier recovery system for a receiver of a phase-modulated signal N-PSK, the system including a first pre-conditioning circuit of the signal received (S(t)), with the pre-conditioned signal (SP(t)) having a component, non-modulated in phase, at the frequency Nƒc where ƒc is the carrier used for the modulation N-PSK, and a carrier regeneration circuit to regenerate two sinusoidal signals in quadrature at the frequency ƒc, with these signals being phase locked with respect to said non-modulated component in phase of the pre-conditioned signal.
    Type: Application
    Filed: August 5, 2019
    Publication date: February 6, 2020
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Alexandre SILIGARIS, Cedric DEHOS, Jose-Luis GONZALEZ JIMENEZ, Clement JANY, Baudoin MARTINEAU
  • Patent number: 9800441
    Abstract: An ultra-wideband radio frequency transmission system capable of receiving a first signal with discrete levels, and including: a voltage-controlled oscillator capable of supplying a first oscillating signal including an oscillating circuit powered by a power supply circuit comprising at least one first current source controlled by the first signal with discrete levels or a second signal with discrete levels obtained from the first signal with discrete levels; a mixer capable of receiving the first oscillating signal and of supplying a second oscillating signal equal to the first oscillating signal multiplied by a gain which depends on the first signal with discrete levels or on a third signal with discrete levels obtained from the first signal with discrete levels; and an antenna or an electromagnetic coupling device capable of transmitting a radio frequency signal based on the second oscillating signal.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: October 24, 2017
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Alexandre Siligaris, Cédric Dehos
  • Publication number: 20160301552
    Abstract: An ultra-wideband radio frequency transmission system capable of receiving a first signal with discrete levels, and including: a voltage-controlled oscillator capable of supplying a first oscillating signal including an oscillating circuit powered by a power supply circuit comprising at least one first current source controlled by the first signal with discrete levels or a second signal with discrete levels obtained from the first signal with discrete levels; a mixer capable of receiving the first oscillating signal and of supplying a second oscillating signal equal to the first oscillating signal multiplied by a gain which depends on the first signal with discrete levels or on a third signal with discrete levels obtained from the first signal with discrete levels; and an antenna or an electromagnetic coupling device capable of transmitting a radio frequency signal based on the second oscillating signal.
    Type: Application
    Filed: April 8, 2016
    Publication date: October 13, 2016
    Applicant: Commissariat à l'Energie Atomique et aux Energies Alternatives
    Inventors: Alexandre SILIGARIS, Cédric DEHOS
  • Patent number: 9419673
    Abstract: In the field of millimeter band transmitting/receiving systems for a high-speed contactless transmission, an architecture is provided with a common processing circuit supplying modulation signals and a plurality of transmitting/receiving integrated circuits, all identical to one another, receiving these signals, and also a common clock. The transmitting/receiving integrated circuits each comprise: an oscillator locked with the clock signal to produce a carrier frequency, a transmit channel comprising a first controllable phase shift circuit, a frequency transposition to the carrier frequency, and a power amplifier, a receive channel comprising a low noise amplifier, a frequency transposition from the carrier frequency, and a second controllable phase shift circuit. An antenna is associated with each transmitting/receiving circuit.
    Type: Grant
    Filed: March 21, 2013
    Date of Patent: August 16, 2016
    Assignee: Commissariat A L'Energie Atomique et aux Energies Alternatives
    Inventors: Cedric Dehos, Laurent Dussopt, Alexandre Siligaris, Pierre Vincent
  • Publication number: 20150079912
    Abstract: In the field of millimeter band transmitting/receiving systems for a high-speed contactless transmission, an architecture is provided with a common processing circuit supplying modulation signals and a plurality of transmitting/receiving integrated circuits, all identical to one another, receiving these signals, and also a common clock. The transmitting/receiving integrated circuits each comprise: an oscillator locked with the clock signal to produce a carrier frequency, a transmit channel comprising a first controllable phase shift circuit, a frequency transposition to the carrier frequency, and a power amplifier, a receive channel comprising a low noise amplifier, a frequency transposition from the carrier frequency, and a second controllable phase shift circuit. An antenna is associated with each transmitting/receiving circuit.
    Type: Application
    Filed: March 21, 2013
    Publication date: March 19, 2015
    Inventors: Cedric Dehos, Laurent Dussopt, Alexandre Siligaris, Pierre Vincent
  • Patent number: 8170516
    Abstract: A method for digital compensation of nonlinearities in a communication system that includes a transmitter, a transmission channel and a receiver, including: estimating the nonlinearities induced by the transmitter and/or the receiver, from at least one learning sequence received at the receiver and distorted by the nonlinearities, and compensating for the nonlinearities distorting a signal received at the receiver based on the estimating of the nonlinearities.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: May 1, 2012
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Cedric Dehos, Tim Schenk, Dominique Morche
  • Patent number: 7852973
    Abstract: The invention concerns a method for the correction of the IQ imbalance of a receiver, in order to obtain a corrected estimate of the IQ imbalance, including: a step for estimating IQ imbalance according to imbalance residual variations since a preceding estimate of the IQ imbalance, a step correcting frequency and clock offsets, a step for correcting the IQ imbalance according to the estimate of the imbalance, in order to obtain a corrected estimate of the IQ imbalance.
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: December 14, 2010
    Assignee: Commissariat A l' Energie Atomique
    Inventors: Dominique Morche, Cedric Dehos
  • Publication number: 20080032631
    Abstract: Method for the digital compensation of nonlinearities in a communication system that includes a transmitter, a transmission channel and a receiver, comprising: at least one stage of estimating the nonlinearities induced by the transmitter and/or the receiver from at least one learning sequence received at the receiver end and distorted by said nonlinearities, at least one stage of compensating for said nonlinearities distorting a signal received at the receiver end from the previous estimation of nonlinearities.
    Type: Application
    Filed: July 13, 2007
    Publication date: February 7, 2008
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE
    Inventors: Cedric DEHOS, Tim Schenk, Dominique Morche
  • Publication number: 20080002795
    Abstract: The invention concerns a method for the correction of the IQ imbalance of a receiver, in order to obtain a corrected estimate of the IQ imbalance, including: a step for estimating IQ imbalance according to imbalance residual variations since a preceding estimate of the IQ imbalance, a step correcting frequency and clock offsets, a step for correcting the IQ imbalance according to the estimate of the imbalance, in order to obtain a corrected estimate of the IQ imbalance.
    Type: Application
    Filed: November 12, 2005
    Publication date: January 3, 2008
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE
    Inventors: Dominique Morche, Cedric Dehos