Patents by Inventor Lackis ELEFTHERIADIS
Lackis ELEFTHERIADIS 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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Patent number: 12210072Abstract: A method of detecting a defect in a connecting member of a radio unit in a radio site includes applying an artificial radio traffic load to a first radio unit and at least a second radio unit, such that the radio traffic load experienced by the first and the second radio unit is at a same level, measuring power supplied to the first radio unit via a first connecting member and power supplied to the second radio unit via a second connecting member at an end of each connecting member terminating at a device configured to supply power to the radio units, and determining from the measured power and an expected nominal power loss of the first and the second connecting member if there is power loss in at least one of the first and the second connecting member indicating a defect.Type: GrantFiled: August 9, 2019Date of Patent: January 28, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Lackis Eleftheriadis, Bin Sun, Xiaoyu Lan, Saurabh Singh, Erik Sanders, Marios Daoutis
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Publication number: 20250030245Abstract: There is provided a computer-implemented method for managing a plurality of energy storages at a plurality of sites in a network, the method comprising: acquiring a first dataset including power consumption data of at least a subset of the plurality of energy storages over a predetermined amount of time; generating a first simulated environment of the network based on the acquired first dataset; and training a first reinforcement learning system by performing the following steps iteratively until a termination condition is met; selecting an action from a set of feasible actions, wherein each action in the set of feasible action is bounded by a set of constraints; calculating a reward of the selected action based on the generated first simulated environment of the network; and training the first reinforcement learning system to maximise reward for a given state of the network, based on the calculated reward for the selected action.Type: ApplicationFiled: October 22, 2021Publication date: January 23, 2025Inventors: Hossein Shokri Ghadikolaei, Lackis Eleftheriadis, Amin Azari
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Publication number: 20250016671Abstract: A method performed by a computing device in a communication system for management of delivery of power to at least one radio head from a local battery located proximate to the at least one radio head is provided. The method includes determining a decision about delivery of power from the local battery to the at least one radio head for a future time window. The decision made by a machine learning model based on (i) differentiation of output power data statistics including average power and peak power demands, and (ii) time and location dependent cost data of charging and/or discharging the local battery and power grid utilization. The method further includes outputting the decision about delivery of power from the local battery to the at least one radio head for the future time window.Type: ApplicationFiled: November 9, 2021Publication date: January 9, 2025Inventors: Hossein SHOKRI GHADIKOLAEI, Lackis ELEFTHERIADIS, Rafia INAM, Burak DEMIREL, Zere GHEBRETENSAÉ, Erik SANDERS
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Publication number: 20240428528Abstract: Embodiments herein disclose a method for facilitating a privacy-aware representation in a system. The method comprises determining using a content analyzer a layout of a scene. Thereafter, one or more objects in the scene is identified using the content analyzer to define a relationship between the objects. A privacy status to be tagged to the one or more identified objects is inferred by using a machine learning model. At least one object is processed based on the privacy status inferred. A privacy-aware representation of the scene is rendered, wherein the privacy-aware representation displays the scene with at least one processed object.Type: ApplicationFiled: September 15, 2021Publication date: December 26, 2024Inventors: Konstantinos VANDIKAS, Daniel LINDSTRÖM, Lackis ELEFTHERIADIS, Athanasios KARAPANTELAKIS
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Publication number: 20240430738Abstract: Embodiments herein disclose, e.g., a method performed by a network node, in a wireless communications network, for charging a rechargeable power source in the network node. The network node obtains an operational parameter to an operation of the network node, wherein the operational parameter is based on an output of a computational model. The computational model is based on a state of charge of the rechargeable power source, a parameter related to outage of a power grid, and a QoS parameter relating to radio communication in the wireless communications network. The network node further applies, during a charging of the rechargeable power source, the operational parameter to the operation of the network node.Type: ApplicationFiled: September 17, 2021Publication date: December 26, 2024Inventors: Lackis ELEFTHERIADIS, Athanasios KARAPANTELAKIS, Maxim TESLENKO, Aneta VULGARAKIS FELJAN, Marin ORLIC
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Publication number: 20240413425Abstract: Embodiments disclosed herein relate to methods and apparatus for managing heat transfer to a battery. In one embodiment there is provided a method for managing heat transfer to a battery (105) electrically coupled to an electronic device. The method comprises determining a battery temperature of the battery (210) and a predicted heat source parameter associated with the electronic device (215). A battery heat transfer action (220) in a thermal medium (120b, 320hc) coupled between the battery and the electronic device is performed dependent on the predicted heat source parameter (453h) and a difference between a prescribed wanted battery temperature (453w) and the determined battery temperature (453b).Type: ApplicationFiled: February 8, 2022Publication date: December 12, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Konstantinos VANDIKAS, Lackis ELEFTHERIADIS, Kristijonas CYRAS, Athanasios KARAPANTELAKIS, Cecilia NYSTRÖM, Divya SACHDEVA, Marin ORLIC, Gabriella NORDQUIST
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Patent number: 12167327Abstract: The present disclosure relates to a method of controlling allocation of mobile devices (12-23) to frequency bands in a radio site (10), and a device (11) performing the method. In an aspect, a method of a radio base station (11) of controlling allocation of mobile devices (12-23) to frequency bands in a radio site (10) is provided. The method comprises estimating (S101) power consumption of the radio base station (11) caused by radio traffic of the mobile devices (12-23) in each frequency band of the radio site (10), determining (S102) whether or not power consumption of the radio base station (11) is decreased by reallocating at least one of the mobile devices (12-23) from one frequency band to another frequency band, while not exceeding a power headroom limit of said another frequency band, and if so reallocating (S103) said at least one mobile device from said one frequency band to said another frequency band.Type: GrantFiled: November 6, 2019Date of Patent: December 10, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Xiaoyu Lan, Lackis Eleftheriadis, Aneta Vulgarakis Feljan, Marin Orlic, Yang Zuo
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Publication number: 20240406776Abstract: A method for managing operational temperature conditions of one or more base stations being executed at a central computing device in a communication system is provided. The method includes acquiring initial operational parameters for each local computing device of a first group of local computing devices associated with the one or more base stations. The method further includes determining one or more clusters by grouping each local computing device of the first group of local computing devices under one of the determined clusters based on the acquired operational parameters. The method further includes training, a central machine learning (ML) model for each determined cluster. The method further includes acquiring, for each local computing device of a second group of local computing devices associated with the one or more base stations, updated operational parameters.Type: ApplicationFiled: March 28, 2022Publication date: December 5, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Athanasios KARAPANTELAKIS, Lackis ELEFTHERIADIS, Maxim TESLENKO, Oleg GORBATOV, Kristijonas CYRAS, Alexandros NIKOU, Gabriella NORDQUIST, Cecilia NYSTRÖM, Rohan KUMAR KUDROLI
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Publication number: 20240406835Abstract: There is provided a method for training a reinforcement learning system for optimising routing for a network including a plurality of Integrated Access and Backhaul (IAB) nodes connected to an IAB donor. The method includes acquiring observations characterising a current state of the plurality of IAB nodes, determining an action to be performed based on latest acquired observations, executing the action by initiating update of the routing information based on the determined action, acquiring observations characterising an updated state of the plurality of IAB nodes, determining a reward for the determined action, based on the updated state of the plurality of IAB nodes, storing an experience set, and training the reinforcement learning system to maximise reward with respect to an optimisation objective, using the one or more stored experience sets in the buffer.Type: ApplicationFiled: August 3, 2021Publication date: December 5, 2024Inventors: Athanasios KARAPANTELAKIS, Konstantinos VANDIKAS, Marin ORLIC, Maxim TESLENKO, Marios DAOUTIS, Alexandros NIKOU, Aneta VULGARAKIS FELJAN, Lackis ELEFTHERIADIS
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Publication number: 20240388095Abstract: A power supporting system includes a first power support handling unit and a first power support node, which node has a first bank of energy storage units and a first interface to the power grid with one separate connection per phase and which unit includes a processor acting on computer instructions whereby the unit is operative to obtain phase voltages of the power grid having been measured at least one measurement point and control the first power support node to support at least one of the phase voltages of the power grid based on an analysis of each of the phase voltages with regard to meeting a desired phase voltage level, which support involves using at least one energy storage unit of the first bank of energy storage units.Type: ApplicationFiled: August 30, 2021Publication date: November 21, 2024Inventors: Lackis ELEFTHERIADIS, Athanasios KARAPANTELAKIS, Konstantinos VANDIKAS, Maxim TESLENKO, Karthik R M, Oleg GORBATOV, Gabriella NORDQUIST
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Publication number: 20240388945Abstract: According to an aspect, there is provided a method of operating a control node, the method including receiving, from a third party node, a request for a value of a first performance indicator relating to one or more subscribers or to a first network slice; receiving, from a first communication network, a first value of the first performance indicator relating to the one or more subscribers in the first communication network or to the first network slice in the first communication network; determining a reliability of the received first value using a performance indicator profile; and performing an action with respect to the received request based on the determined reliability of the received first value.Type: ApplicationFiled: September 17, 2021Publication date: November 21, 2024Inventors: Athanasios KARAPANTELAKIS, Maxim TESLENKO, Alexandros NIKOU, Lackis ELEFTHERIADIS, Marin ORLIC
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Patent number: 12143931Abstract: A method performed by a control node for a radio access network. The control node may select an energy source from a plurality of energy sources connected to a base station based on selecting an energy rate of one of the energy sources correlated in time with a radio traffic power usage of the base station. The selection may be made from a plurality of energy rates for the plurality of energy rates correlated in time for each energy source with a radio traffic power usage of the base station. The selected energy rate may improve at least one operating parameter of the selected energy source. The control node may activate the selected energy source for use by the base station. A further method performed by a global control node may be provided.Type: GrantFiled: September 24, 2019Date of Patent: November 12, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Gaurav Dixit, Lackis Eleftheriadis, Marios Daoutis, Rafia Inam
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Publication number: 20240353556Abstract: A method performed by a communication device in a communication network for augmenting a communication signal message with environmental information relative to the communication device is provided. The method includes performing a first reference signal measurement. The method further includes, responsive to the performing, detecting a plurality of objects in an area proximate the communication device; and generating information about the detected plurality of objects. The method further includes extracting, from the generated information, the environmental information including an environmental description information and a position description information for the plurality of objects relative to the communication device.Type: ApplicationFiled: August 9, 2021Publication date: October 24, 2024Inventors: Athanasios KARAPANTELAKIS, Kaushik DEY, Lackis ELEFTHERIADIS, Pedro BATISTA, Konstantinos VANDIKAS, Aneta VULGARAKIS FELJAN, Maxim TESLENKO
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Patent number: 12127114Abstract: The present disclosure relates to a method of controlling power supply units (1-9) of a base station (10), and a device (20) performing the method. In an aspect, a method of a base station scheduling device (20) of controlling power supply units (1-9) of a base station (10) is provided. The method comprises acquiring (S102a-c) information indicating a value of voltage input to at least one of the power supply units (1-9) of the base station (10), determining (S103) from said value if the voltage input to said at least one of the power supply units (1-9) is sufficient, and if not determining (S104) power demand of the base station (10), and deactivating (S105) said at least one power supply unit, if remaining power supply units (1-9) is capable of supplying the demanded power.Type: GrantFiled: May 29, 2019Date of Patent: October 22, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Lackis Eleftheriadis, Adam Bergkvist, Bin Sun, Marin Orlic, Athanasios Karapantelakis, Yang Zuo
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Publication number: 20240342429Abstract: In one aspect, a computer-implemented method of adapting a sensory datastream is provided. The method includes obtaining a raw sensory datastream from a source, wherein the raw sensory datastream comprises input for a sensory actuator of a user device. The method includes obtaining state information, wherein the state information comprises information indicating a first state of a user. The method includes predicting, using a machine learning model, a desired second state of the user based on the obtained state information. The method includes determining an action to adapt the raw sensory datastream based on the desired second state of the user. The method includes adapting the raw sensory datastream in accordance with the determined action and the first state of the user to create a processed sensory datastream. The method includes providing the processed sensory datastream to the sensory actuator of the user device.Type: ApplicationFiled: August 4, 2021Publication date: October 17, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Athanasios KARAPANTELAKIS, Divya SACHDEVA, Lackis ELEFTHERIADIS, Maxim TESLENKO, Konstantinos VANDIKAS, Alexandros NIKOU, Alessandro PREVITI, Kristijonas CYRAS
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Publication number: 20240323826Abstract: A method performed by a first node (111). The method is for handling roaming of a wireless device (130) from a first communications network (101). The first node (111) operates in a communications system (100). The first node (111) determines (502) a second communications network (201) to be used by the wireless device (130) for roaming communications. The determining (502) is based at least on: a) a predicted energy supply by the wireless device (130) during a roaming period, and b) a predicted use of data by the wireless device (130) during the roaming period. The first node (111) provides (504) an indication of the determined second communications network (201) to at least one of: a second node (112) operating in the communications system (100) and the wireless device (130).Type: ApplicationFiled: July 15, 2021Publication date: September 26, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Athanasios KARAPANTELAKIS, Konstantinos VANDIKAS, Maxim TESLENKO, Lackis ELEFTHERIADIS, Aneta VULGARAKIS FELJAN, Xiajing LI, Gabriella NORDQUIST, Marin ORLIC, Alexandros NIKOU, Marios DAOUTIS
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Publication number: 20240323712Abstract: For a set of access nodes of a wireless communication network, data throughput of user plane, UP, traffic and control plane, CP, traffic generated by wireless communication devices being served by the access nodes on a plurality of wireless carrier signals is predicted. Further, mobility of the wireless communication devices is predicted. Further, based on the predicted data throughput and the predicted mobility, it is decided for at least some of the plurality of wireless carrier signals whether the wireless carrier signal is assigned either to serving UP traffic, to serving CP traffic, or to serving both UP traffic and CP traffic.Type: ApplicationFiled: July 14, 2021Publication date: September 26, 2024Inventors: Athanasios KARAPANTELAKIS, Maxim TESLENKO, Divya SACHDEVA, Konstantinos VANDIKAS, Kristijonas CYRAS, Lackis ELEFTHERIADIS
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Patent number: 12101237Abstract: A computer implemented method performed by a node in a communications network for matching parameters in a target network configuration with corresponding key performance indicators, KPIs, in the communications network. The method comprises obtaining (202) a first set of connections between a first subset of the parameters and a first subset of the KPIs. The method further comprises representing (204) the parameters as a first knowledge graph, representing (206) the KPIs as a second knowledge graph, and using (208) a graph-based machine learning process on the first knowledge graph and the second knowledge graph to match a second parameter to a second KPI.Type: GrantFiled: November 27, 2020Date of Patent: September 24, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Yifei Jin, Marios Daoutis, Lackis Eleftheriadis, Aneta Vulgarakis Feljan, Saurabh Singh, Alexandros Nikou, Ioannis Fikouras
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Publication number: 20240291548Abstract: Methods and apparatus for beam management are provided. A computer-implemented method for beam management includes obtaining measurements of one or more properties of an environment, wherein the environment contains one or more User Equipments (UEs). The method further includes initiating transmission of the obtained property measurements to a machine learning (ML) agent hosting a ML model, and receiving the transmitted property measurements at the ML agent. The method also includes processing the received property measurements using the ML model to suggest one or more beam options for exchanging data with the one or more UEs, from among a plurality of beam options, and selecting, using the one or more suggested beam options, at least one of the one or more suggested beam options. The method additionally includes exchanging data with the one or more UEs using the selected beam options.Type: ApplicationFiled: July 5, 2021Publication date: August 29, 2024Inventors: Athanasios KARAPANTELAKIS, Konstantinos VANDIKAS, Maxim TESLENKO, Alexandros NIKOU, Aneta VULGARAKIS FELJAN, Lackis ELEFTHERIADIS, Marin ORLIC, Marios DAOUTIS
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Patent number: 12062925Abstract: A method performed by a first network node (111). The method is for handling charging of a wireless device (130). The first network node (111) and the wireless device (130) operate in a wireless communications network (100). The first network node (111) modulates (307) one or more beam forming beams (121) in an antenna array (124) controlled by the first network node (111) with a pulse width modulation. The first network node (111) then charges (308), wirelessly, the wireless device (130), with the modulated one or more beam forming beams (121).Type: GrantFiled: October 31, 2019Date of Patent: August 13, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Yifei Jin, Lackis Eleftheriadis, Konstantinos Vandikas, Athanasios Karapantelakis, Maxim Teslenko