Patents by Inventor Afef Feki
Afef Feki 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).
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Publication number: 20220369070Abstract: A method is provided for determining, at a first stage, a first position of a communications device, inputting, from the first stage, the first position to a machine learning model at a second stage, and determining, at the second stage, at least based on the first position from the first stage, a second position of the communications device by using the machine learning model. The first position is determined at the first stage by using one of at least a non-machine learning model and a machine learning model.Type: ApplicationFiled: December 18, 2019Publication date: November 17, 2022Inventors: Afef FEKI, Sankaran BALASUBRAMANIAM, Daejung YOON, Pavan KOTESHWAR SRINATH, Veronique CAPDEVIELLE
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Publication number: 20220349979Abstract: An apparatus, method and computer program are disclosed. The apparatus may include circuitry configured for receiving from a target device, at a first time instance, a set of first measurement data associated with each of a plurality of base stations and determining a first position of the target device based on the received first sets of measurement data. The circuitry may also receive from the target device, at each of one or more subsequent time instances, a second set of measurement data associated with one, or each of a smaller number, of the base stations and determining, at each of the one or more subsequent time instances, a respective position of the target device based on the position determined at a previous time instance and the second set of measurement data.Type: ApplicationFiled: September 17, 2020Publication date: November 3, 2022Inventors: Afef Feki, Pavan KOTESHWAR SRINATH
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Publication number: 20220353637Abstract: A method comprising: receiving a request for a location of a communication device with information indicating an associated required location quality of service of said location; and in response to said information, determining which of a plurality of location methods to use and one or more parameters for said determined location method.Type: ApplicationFiled: September 15, 2020Publication date: November 3, 2022Inventors: Afef FEKI, Sankaran BALASUBRAMANIAM, Veronique CAPDEVIELLE
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Publication number: 20220272711Abstract: The invention relates to a method for configuring carrier aggregation for a current user equipment (14) located in a wireless communication network in a coverage area of a base station which is capable of emitting a plurality of carrier components with a plurality transmission beams per carrier component, the method comprising: retrieving quality metrics beams from a database comprising quality metrics associated with a carrier component of the plurality of carrier components and with a user equipment of a plurality of user equipments; determining, using the quality metrics, one or more candidate carrier components to be configured or de-configured for the current user equipment as secondary carrier components; configuring or de-configuring said one or more carrier components.Type: ApplicationFiled: July 10, 2019Publication date: August 25, 2022Inventors: Fahad SYED MUHAMMAD, Afef FEKI, Véronique CAPDEVIELLE, Claudiu MIHAILESCU
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Publication number: 20220264514Abstract: Apparatuses and methods in a communication system are disclosed. Data on error between the location of more than one user terminal and the estimated location of the more than one user terminal is obtained, the estimated location obtained utilising radio frequency fingerprinting. It is evaluated whether the error is greater than a given threshold, and if so it is determined whether the error is due to radio frequency fingerprinting or not. Based on the determination decision is made on initialising update of radio frequency fingerprinting map.Type: ApplicationFiled: February 16, 2022Publication date: August 18, 2022Inventors: Muhammad Majid BUTT, Afef FEKI, Veronique CAPDEVIELLE, Fahad SYED MUHAMMAD
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Publication number: 20220200857Abstract: An apparatus for anomaly detection in a network, using an autoencoder including an encoder and a decoder.Type: ApplicationFiled: December 13, 2021Publication date: June 23, 2022Inventors: Afef FEKI, Nicolas Rots, Fahad Syed Muhammad, Veronique Capdevielle, Mohammad Saad Khan, Tinhinane Ouadda, Claudiu Mihailescu
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Publication number: 20220182997Abstract: A method comprising receiving a first indication, from a terminal device, indicating that the terminal device is capable of supporting carrier aggregation, obtaining information regarding a battery level of the terminal device, estimating battery consumption per one carrier component, and based, at least partly, on the estimated battery consumption and information regarding the battery level, determining a number of additional carrier components to be activated for the terminal device.Type: ApplicationFiled: November 22, 2021Publication date: June 9, 2022Inventors: Afef FEKI, Fahad SYED MUHAMMAD, Veronique CAPDEVIELLE, Muhammad Majid BUTT
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Patent number: 11258164Abstract: An apparatus and method is disclosed in relation to antenna arrays. The method may include transmitting a reference signal to one or more remote user terminals from each of a plurality of sub-arrays of an antenna array, each sub-array including a quantity of radiating elements of the antenna array capable of establishing a backhaul link with a remote communications node. The method may also include receiving measurement signals from the one or more remote user terminals, indicative of one or more characteristics of the received reference signals. The method may also include selecting, based on received measurement signals, a first subset of the sub-arrays for backhaul communications with the remote communications node and a second subset of the sub-arrays, including one or more of the remaining sub-arrays, for access communications with the one or more remote user terminals.Type: GrantFiled: June 19, 2019Date of Patent: February 22, 2022Inventors: Nidham Ben Rached, Veronique Capdevielle, Patrick Albert Krief, Afef Feki
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Publication number: 20220007218Abstract: Apparatuses, methods and computer programs are described comprising: receiving user equipment downlink power measurements from a one or more base stations of a communication system, wherein the or each base station provides a plurality of user equipment downlink power measurements for user equipment in communication with said base station; determining inter-beam interference for measurements multiple directive beams of the or each base station based on the user equipment download power measurements; and assigning one or more beams to one or more clusters such that, for all beams within a cluster, inter-beam interference is below a threshold, wherein beams within a cluster share time and/or frequency resources.Type: ApplicationFiled: October 30, 2018Publication date: January 6, 2022Inventors: Nidham BEN RACHED, Veronique CAPDEVIELLE, Philippe PICQUET, Afef FEKI
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Publication number: 20210320709Abstract: Systems, methods, apparatuses, and computer program products for determining a grid-of-beams (GoB) are provided. One method may include collecting network data for training a neural network, train the neural network, using the collected data, to learn a non-discounted cumulative reward Q that evaluates a benefit of including a given beam into a grid-of-beams (GoB), iteratively applying the trained neural network to select at least one optimal beam to include in the grid-of-beams (GoB), and selecting one or more beams from the grid-of-beams (GoB) to transmit to a user equipment or to receive transmission from the user equipment.Type: ApplicationFiled: September 13, 2018Publication date: October 14, 2021Inventors: Deepak NAYAK, Chandrashekhar THEJASWI, Suresh KALYANASUNDARAM, Rajeev AGRAWAL, Hua XU, Anand BEDEKAR, Veronique CAPDEVIELLE, Claudiu MIHAILESCU, Boris KOUASSI, Afef FEKI
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Publication number: 20210297928Abstract: An apparatus comprises means for performing, at a CU of a master node: receiving an individual PDU from one or more incoming PDUs, wherein each PDU is to be transmitted to a UE via one amongst respective paths towards at least one DU of the master node and at least one secondary node, the UE being in DC or MC with the master node and the at least one secondary node; collecting a respective data set for each of the paths; receiving, from a ML model inputting each data set, a respective estimated delay of transmission for each of the paths; selecting, from each of the paths, a path based on the estimated delay of transmission; and transmitting the PDU to the UE via the selected path.Type: ApplicationFiled: March 17, 2021Publication date: September 23, 2021Inventors: Udaya Raju CHOWTA, Bertold DICKHAUS, Fahad SYED MUHAMMAD, Afef FEKI, Veronique CAPDEVIELLE
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Publication number: 20210289406Abstract: Disclosed is a method comprising obtaining a plurality of handover parameter values, using a first machine learning model to select a subset of handover parameter values from the plurality of handover parameter values, obtaining historical information of a plurality of terminal devices, determining a first set of optimal handover parameter values for the plurality of terminal devices from the subset of handover parameter values, tagging the first set of optimal handover parameter values with the historical information of the plurality of terminal devices to obtain a labelled dataset, and training a second machine learning model with the labelled dataset, wherein the trained second machine learning model is capable of predicting a second set of optimal handover parameter values for a first terminal device based on historical information of the first terminal device.Type: ApplicationFiled: March 1, 2021Publication date: September 16, 2021Inventors: Afef FEKI, Wael MOTAMED, Veronique CAPDEVIELLE, Jean-Michel PUGEAT, Claudiu MIHAILESCU
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Patent number: 11109022Abstract: The application relates to a method and a transmitter communication device configured to provide video data to a receiver communication device, wherein the video data comprises one or more groups of frames and each group of frames comprises a plurality of temporally successive frames. The method comprises processing a first frame of a current, i.e. currently processed group of frames using a first modulation and coding scheme of a plurality of modulation and coding schemes and processing a second frame of the current group of frames using a second modulation and coding scheme of the plurality of modulation and coding schemes, and further selecting the second modulation and coding scheme of the plurality of modulation and coding schemes on the basis of a temporal position of the second frame relative to the first frame of the current group of frames.Type: GrantFiled: December 9, 2019Date of Patent: August 31, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Dimitrios Tsilimantos, Zhijun Chao, Afef Feki, Amaya Nogales Gomez, Xianwen Shi, Haifeng Tang, Stefan Valentin
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Patent number: 11012133Abstract: In some embodiments, a computing system maintains, in a memory, information on one or more terminal devices, a dictionary of beams and information on a spatial grid. The computing system maps each terminal device to the spatial grid based on up-to-date results of radio measurements and calculates, for each spatial element, a load caused by the one or more terminal devices based on the mapping. The computing system evaluates, for each combination of a beam and a terminal device, a reference signal received power, RSRP, based on results of the radio measurements. The computing system calculates a first map of expected spatial distribution of traffic based on the calculated loads and beam-specific second maps of expected RSRP based on the values of the RSRP. Finally, the computing system causes performing beamforming optimization based on the first map and second maps.Type: GrantFiled: September 11, 2020Date of Patent: May 18, 2021Assignee: NOKIA SOLUTIONS AND NETWORKS OYInventors: Veronique Capdevielle, Afef Feki, Deepak Kumar Nayak, Claudiu Mihailescu, Nidham Ben Rached, Suresh Kalyanasundaram
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Publication number: 20210083737Abstract: In some embodiments, a computing system maintains, in a memory, information on one or more terminal devices, a dictionary of beams and information on a spatial grid. The computing system maps each terminal device to the spatial grid based on up-to-date results of radio measurements and calculates, for each spatial element, a load caused by the one or more terminal devices based on the mapping. The computing system evaluates, for each combination of a beam and a terminal device, a reference signal received power, RSRP, based on results of the radio measurements. The computing system calculates a first map of expected spatial distribution of traffic based on the calculated loads and beam-specific second maps of expected RSRP based on the values of the RSRP. Finally, the computing system causes performing beamforming optimization based on the first map and second maps.Type: ApplicationFiled: September 11, 2020Publication date: March 18, 2021Inventors: Veronique CAPDEVIELLE, Afef FEKI, Deepak Kumar NAYAK, Claudiu MIHAILESCU, Nidham BEN RACHED, Suresh KALYANASUNDARAM
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Patent number: 10951354Abstract: Embodiments relate to an apparatus for adjusting channel quality indicator measurements of a channel between a client device and a serving device within a wireless communication system. The apparatus includes a controller adapted to receive, from the client device, a first information and, when the client device is in a handover zone, a second information. The controller is further adapted to transmit according to a switching sequence either the first information alone or the first information together with the second information. The apparatus also includes an adjustment function entity adapted to receive the first information together with the second information and adapted to adjust the first information based on the second information by modifying it or keeping it unchanged. The first information is related to the CQI measurements, while the second information is related to a handover (HO).Type: GrantFiled: September 6, 2019Date of Patent: March 16, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Afef Feki, Sami Mekki, Mustapha Amara
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Patent number: 10901076Abstract: A method for estimating the speed of a user equipment connected to a base station of a wireless network, the method comprising the following steps: measuring the power of a signal transmitted between the user equipment and the base station; computing the derivative of the measured signal power with respect to time; computing the standard deviation of the computed derivative; estimating, from previously established reference data, the speed of the user equipment that corresponds to the computed standard deviation, the reference data associating a given user equipment speed with a certain computed standard deviation.Type: GrantFiled: July 11, 2014Date of Patent: January 26, 2021Assignee: Alcatel Lucent; INRIAInventors: Nidham Ben Rached, Veronique Capdevielle, Majed Haddad, Frédéric Ratovelomanana, Afef Feki, Eitan Altman
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Patent number: 10680705Abstract: The disclosure relates to a network entity for selecting a communication relay from a plurality of communication relays within the service area of a base station covering a plurality of geographic positions, wherein each communication relay is able to retransmit a communication between the base station and a user equipment, wherein the network entity comprises a divider configured to divide the service area into a plurality of different regions based on an attenuation measure at each geographic position, a determiner configured to determine for each pair of regions a spatial isolation measure based on the attenuation measures at the geographic positions within the regions, and a selector configured to select a communication relay based on the spatial isolation measures associated with the geographic position of each communication relay.Type: GrantFiled: May 22, 2018Date of Patent: June 9, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Afef Feki, Melissa Duarte Gelvez, Stefan Valentin, Luca Rose
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Publication number: 20200112721Abstract: The application relates to a method and a transmitter communication device configured to provide video data to a receiver communication device, wherein the video data comprises one or more groups of frames and each group of frames comprises a plurality of temporally successive frames. The method comprises processing a first frame of a current, i.e. currently processed group of frames using a first modulation and coding scheme of a plurality of modulation and coding schemes and processing a second frame of the current group of frames using a second modulation and coding scheme of the plurality of modulation and coding schemes, and further selecting the second modulation and coding scheme of the plurality of modulation and coding schemes on the basis of a temporal position of the second frame relative to the first frame of the current group of frames.Type: ApplicationFiled: December 9, 2019Publication date: April 9, 2020Inventors: Dimitrios TSILIMANTOS, Zhijun CHAO, Afef FEKI, Amaya NOGALES GOMEZ, Xianwen SHI, Haifeng TANG, Stefan VALENTIN
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Publication number: 20200044310Abstract: An apparatus and method is disclosed in relation to antenna arrays. The method may include transmitting a reference signal to one or more remote user terminals from each of a plurality of sub-arrays of an antenna array, each sub-array including a quantity of radiating elements of the antenna array capable of establishing a backhaul link with a remote communications node. The method may also comprise include receiving measurement signals from the one or more remote user terminals, indicative of one or more characteristics of the received reference signals. The method may also include selecting, based on received measurement signals, a first subset of the sub-arrays for backhaul communications with the remote communications node and a second subset of the sub-arrays, including one or more of the remaining sub-arrays, for access communications with the one or more remote user terminals.Type: ApplicationFiled: June 19, 2019Publication date: February 6, 2020Inventors: Nidham BEN RACHED, Veronique CAPDEVIELLE, Patrick Albert KRIEF, Afef FEKI