Patents by Inventor Loic Brunel

Loic Brunel 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).

  • Patent number: 11490274
    Abstract: A method for managing a fronthaul network in a wireless communication system, the fronthaul network comprising several distributed units and one or more central units, is proposed. The method comprises: performing fronthaul network dynamic configuration on the fronthaul network, the fronthaul network dynamic configuration comprising, at a controller of the wireless communication system: obtaining information indicating a positioning of the mobile terminal, obtaining, based on the information indicating a positioning of the mobile terminal, a set of one or more active distributed units among the plurality of distributed units, determining first associations between each of the active distributed units and one or more first respective central units of the one or more central units, and configuring communication links between each of the active distributed units and their first respective one or more central units according to the determined first associations.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: November 1, 2022
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Mourad Khanfouci, Herve Bonneville, Loic Brunel
  • Publication number: 20220303072
    Abstract: Method for allocating radio resources to at least one user equipment in a wireless communication system comprising at least a first carrier and a second carrier, the first carrier having a first transmission bandwidth the second carrier having a second transmission bandwidth, such as at least a first subcarrier of the first transmission bandwidth is in the second transmission bandwidth, the method comprising: allocating first radio resources of the first carrier, the first radio resources allocated comprising the first subcarrier; allocating second radio resources of the second carrier taking into account the first subcarrier used in the allocation of the first radio resources.
    Type: Application
    Filed: April 1, 2020
    Publication date: September 22, 2022
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Christina CIOCHINA, Akl CHARAF, Loic BRUNEL
  • Publication number: 20220104110
    Abstract: A method of dynamic attribution of an admission control to an IAB node between a fixed donor IAB node (IAB-d) and a mobile terminal (UE). The method comprising: a. selecting at least one anchor IAB node in function of its position, at least one of said nodes/terminals being mobile; b. signaling delegation of the admission control from a CU to the selected anchor IAB node, the signaling step including the following sub-steps: i. transmitting context information from CU of the donor IAB node (IAB-d) to the selected anchor IAB node (IAB-a); ii. transmitting identification of said donor IAB node (IAB-d) from the CU of the donor IAB node (IAB-d) to the selected anchor IAB node (IAB-a); iii. transmitting identification of said anchor IAB node (IAB-a) to at least one outbound IAB node (IAB-o) having said anchor IAB node (IAB-a) as a parent node.
    Type: Application
    Filed: February 3, 2020
    Publication date: March 31, 2022
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Mourad KHANFOUCI, Herve BONNEVILLE, Loic BRUNEL
  • Publication number: 20220036195
    Abstract: The invention relates to a method for decoding at least M0 symbols X01, . . . , X0M0 received from a transmitter through a wireless communication medium, said received symbols representing symbols encoded by an encoder E of the transmitter, said method comprising: inputting in a decoder the M0 symbols X01, . . . , X0M0, said decoder comprising an artificial neural network system, wherein at least an activation function of the artificial neural network system is a multiple level activation function.
    Type: Application
    Filed: August 26, 2019
    Publication date: February 3, 2022
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Vincent CORLAY, Loic BRUNEL, Philippe CIBLAT, Joseph BOUTROS
  • Publication number: 20210266764
    Abstract: A method for managing a fronthaul network in a wireless communication system, the fronthaul network comprising several distributed units and one or more central units, is proposed. The method comprises: performing fronthaul network dynamic configuration on the fronthaul network, the fronthaul network dynamic configuration comprising, at a controller of the wireless communication system: obtaining information indicating a positioning of the mobile terminal, obtaining, based on the information indicating a positioning of the mobile terminal, a set of one or more active distributed units among the plurality of distributed units, determining first associations between each of the active distributed units and one or more first respective central units of the one or more central units, and configuring communication links between each of the active distributed units and their first respective one or more central units according to the determined first associations.
    Type: Application
    Filed: August 23, 2019
    Publication date: August 26, 2021
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Mourad KHANFOUCI, Herve BONNEVILLE, Loic BRUNEL
  • Publication number: 20210243613
    Abstract: A method for managing a first access network node in a network of a wireless communication system is proposed, which comprises: determining in the network a second central unit for a control plane of data communications between a UE and the network, CU-C, other than a first CU-C comprised in the first access network node, wherein the first access network node further comprises at least one first distributed units, DU, for data communications between the UE and the first access network node, controlled by the first CU-C, and wherein the second CU-C controls at least one second DU comprised in a second access network node; and configuring the first access network node, wherein the configuring comprises: associating at least one DU among the at least one first DU with the second CU-C.
    Type: Application
    Filed: May 29, 2019
    Publication date: August 5, 2021
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Mourad KHANFOUCI, Herve BONNEVILLE, Loic BRUNEL
  • Publication number: 20200328784
    Abstract: A method of exchanging data involving at least one apparatus (APP) and user terminals, or UTs. The method comprises: —receiving measurements data from the UTs, —choosing at least one precoding subset associated to groups of antennas (GANT1, . . . , GANTn) defining beam areas (BA) having a considered color, each precoding subset comprising at most one UT from each of the considered beam areas, each precoding subset being chosen by selecting one or more UT each located in a different beam area among the considered beam areas as a function of at least respective angular positions of the UTs within the corresponding beam area and determined based on the measurements data, —generating at least one signal constructed as a function of the data destined to the UTs of the precoding subset or coming from the UTs of the precoding subset to transfer said data to the UTs or receive said data from the UTs using the groups of antennas associated to said at least one precoding subset.
    Type: Application
    Filed: May 15, 2017
    Publication date: October 15, 2020
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Loic BRUNEL, Julien GUILLET
  • Patent number: 10541847
    Abstract: A method and a device for forming a DFT-spread OFDM symbol including data and pilots, comprising: forming a pilot symbol in the time domain, the pilot symbol comprising at least two parts, a first part of the pilot symbol comprising samples of front pilots, a second part of the pilot symbol comprising null values, performing a DFT-spread OFDM modulation of the pilot symbol, precoding the data, putting the precoded data under the form of a data symbol in the time domain, the data symbol comprising at least two parts, a first part of the data symbol comprising null values, a second part of the data symbol comprising the data, performing a DFT-spread OFDM modulation of the data symbol, modifying a part of the DFT-spread OFDM modulated data symbol, combining the modified DFT-spread OFDM modulated data to the DFT-spread OFDM modulated pilot symbol.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: January 21, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Arnaud Bouttier, Loic Brunel
  • Patent number: 10256927
    Abstract: The present invention concerns a method for determining a power of at least one crosspolar interferer in a frame received by a receiver comprising at least a first and a second receive antennas detecting a first and a second polarization, the frame being transmitted from a satellite transmitter comprising at least a first and a second transmit antennas, the first transmit antenna being used for transferring signal representative of the frames to the receiver on the first polarization, the second transmit antenna being used for transferring signal to another receiver using the same frequency and the second polarization.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: April 9, 2019
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Cristina Ciochina-Duchesne, Loic Brunel
  • Publication number: 20190058622
    Abstract: A method and a device for forming a DFT-spread OFDM symbol including data and pilots, comprising: forming a pilot symbol in the time domain, the pilot symbol comprising at least two parts, a first part of the pilot symbol comprising samples of front pilots, a second part of the pilot symbol comprising null values, performing a DFT-spread OFDM modulation of the pilot symbol, precoding the data, putting the precoded data under the form of a data symbol in the time domain, the data symbol comprising at least two parts, a first part of the data symbol comprising null values, a second part of the data symbol comprising the data, performing a DFT-spread OFDM modulation of the data symbol, modifying a part of the DFT-spread OFDM modulated data symbol, combining the modified DFT-spread OFDM modulated data to the DFT-spread OFDM modulated pilot symbol.
    Type: Application
    Filed: December 14, 2016
    Publication date: February 21, 2019
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Arnaud BOUTTIER, Loic BRUNEL
  • Patent number: 10075967
    Abstract: For performing K individual transmissions between an access point managing a cell of a wireless communications network to plural mobile terminals via time and frequency resources from amongst a predefined set of candidate time and frequency resources on a per frame period basis, one time and frequency resource being allocated to each one of the K individual transmissions in a considered frame period, the access point: obtains a frequency allocation descriptor F indicating which frequency resource is allocated in the considered frame period to each one of the K individual transmissions; obtains a frequency occurrence descriptor G indicating how many times each candidate frequency resource is used for performing the K individual transmissions in the considered frame period; signals the frequency occurrence descriptor G in said cell; and enables transmitting data for the K individual transmissions in accordance with the frequency allocation descriptor F and a predetermined frequency sequencing rule.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: September 11, 2018
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Loic Brunel, Nicolas Gresset, Jonathan Letessier
  • Patent number: 10009155
    Abstract: For determining time and frequency resources, a first device performs: obtaining groups of time and frequency resources of the wireless communications network so as to form a redrawn grid; allocating time and frequency resources according to the redrawn grid and to a frequency hopping criteria; and providing signalling information representative of the time and frequency resources that have been allocated according to the redrawn grid. In order to determine which time and frequency resources of the initial grid to be used for performing said transmissions, a second device performs: obtaining the signalling information so as to determine the time and frequency resources that have been allocated according to the redrawn grid; and applying a predetermined pattern mask onto the determined time and frequency resources that have been allocated according to the redrawn grid.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: June 26, 2018
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Nicolas Gresset, Loic Brunel, Hiroyasu Sano, Kazumasa Suzuki
  • Patent number: 9992778
    Abstract: For allocating resources for a downlink communication on a frequency selective channel from an access point of a wireless telecommunications network to a communication device located in a moving conveyance performing a journey on a path, a processing device performs: obtaining a first interference profile according to a position of the moving conveyance on the path, said first interference profile being representative of interference on said downlink communication implied by at least one interferer located along the path; obtaining a second interference profile, said second interference profile being representative of interference on said downlink communication implied by at least one interferer located in the moving conveyance; and allocating the resources for said downlink communication, on the basis of the first and second interference profiles.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: June 5, 2018
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Loic Brunel, Nicolas Gresset
  • Patent number: 9929797
    Abstract: The present invention concerns a method for determining if at least one interferer generated by cross polarization interference is present in a received frame. The method comprises the steps of: —analyzing the received frame using a sliding window which analyzes at least a part of a first and second planes of the received frame, —determining a factor of merit for each position of the sliding window, —comparing each factor of merit to a threshold in order to determine if at least one interfered zone is present in the received frame, —analyzing the factors of merit in order to determine the number of interferers which are present in each interfered zone, —determining the start/end positions of each interferer in the first and second planes of the received frame.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: March 27, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Cristina Ciochina-Duchesne, Loic Brunel
  • Patent number: 9900129
    Abstract: Considering individual sequences T1, . . . , TK over N successive frames for performing K individual transmissions, one time and frequency resource is allocated to each individual transmission per frame. The time and frequency resources can be represented by a grid with time resources on one dimension and frequency resources on another dimension. A managing device: computes a figure of merit G(A, T1, . . . , TK) for each possible set of the individual sequences T1, . . . , TK over the N successive frames on which respective frequency hopping sequences [A1, . . . , AN]=A apply, the figure of merit G(A, T1, . . . , TK) being representative of transmission robustness to interference and/or noise and/or path loss, and being determined under a constraint such that the frequency hopping sequences A1, . . .
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: February 20, 2018
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Loic Brunel, Nicolas Gresset
  • Publication number: 20170310383
    Abstract: The present invention concerns a method for determining if at least one interferer generated by cross polarization interference is present in a received frame. The method comprises the steps of: —analysing the received frame using a sliding window which analyses at least a part of a first and second planes of the received frame, —determining a factor of merit for each position of the sliding window, —comparing each factor of merit to a threshold in order to determine if at least one interfered zone is present in the received frame, —analysing the factors of merit in order to determine the number of interferers which are present in each interfered zone, —determining the start/end positions of each interferer in the first and second planes of the received frame.
    Type: Application
    Filed: November 4, 2015
    Publication date: October 26, 2017
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Cristina CIOCHINA-DUCHESNE, Loic BRUNEL
  • Publication number: 20170290027
    Abstract: For performing K individual transmissions between an access point managing a cell of a wireless communications network to plural mobile terminals via time and frequency resources from amongst a predefined set of candidate time and frequency resources on a per frame period basis, one time and frequency resource being allocated to each one of the K individual transmissions in a considered frame period, the access point: obtains a frequency allocation descriptor F indicating which frequency resource is allocated in the considered frame period to each one of the K individual transmissions; obtains a frequency occurrence descriptor G indicating how many times each candidate frequency resource is used for performing the K individual transmissions in the considered frame period; signals the frequency occurrence descriptor G in said cell; and enables transmitting data for the K individual transmissions in accordance with the frequency allocation descriptor F and a predetermined frequency sequencing rule.
    Type: Application
    Filed: October 1, 2015
    Publication date: October 5, 2017
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Loic BRUNEL, Nicolas GRESSET, Jonathan LETESSIER
  • Publication number: 20170244502
    Abstract: The present invention concerns a method for determining a power of at least one crosspolar interferer in a frame received by a receiver comprising at least a first and a second receive antennas detecting a first and a second polarization, the frame being transmitted from a satellite transmitter comprising at least a first and a second transmit antennas, the first transmit antenna being used for transferring signal representative of the frames to the receiver on the first polarization, the second transmit antenna being used for transferring signal to another receiver using the same frequency and the second polarization.
    Type: Application
    Filed: November 19, 2015
    Publication date: August 24, 2017
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Cristina CIOCHINA-DUCHESNE, Loic BRUNEL
  • Publication number: 20170026153
    Abstract: For determining time and frequency resources, a first device performs: obtaining groups of time and frequency resources of the wireless communications network so as to form a redrawn grid; allocating time and frequency resources according to the redrawn grid and to a frequency hopping criteria; and providing signalling information representative of the time and frequency resources that have been allocated according to the redrawn grid. In order to determine which time and frequency resources of the initial grid to be used for performing said transmissions, a second device performs: obtaining the signalling information so as to determine the time and frequency resources that have been allocated according to the redrawn grid; and applying a predetermined pattern mask onto the determined time and frequency resources that have been allocated according to the redrawn grid.
    Type: Application
    Filed: December 19, 2014
    Publication date: January 26, 2017
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Nicolas GRESSET, Loic BRUNEL, Hiroyasu SANO, Kazumasa SUZUKI
  • Patent number: 9532242
    Abstract: A method for enabling a mobile terminal to continue to be served by a home base station when the mobile terminal is in a coverage area of the serving home base station and the coverage area of the serving home base station starts superposing with a coverage area of another home base station having a same physical cell identity and being synchronized with the serving home base station, each home base station broadcasting the physical cell identifier in its coverage area. The method includes: determining that the coverage areas start superposing, determining at least one timing offset to be applied at a predetermined moment by at least one of the home base stations for transferring signals in its cell, transmitting to the mobile terminal the at least one timing offset and the moment, and applying the at least one timing offset at the moment.
    Type: Grant
    Filed: March 20, 2013
    Date of Patent: December 27, 2016
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Loic Brunel, Cristina Ciochina