Patents Assigned to Telefonaktiebolaget LM Ericsson (publ)
  • Publication number: 20240172323
    Abstract: Embodiments of the disclosure generally relate to determining configuration of a DRX timer. A wireless device determines a relationship between a DRX timer and different scheduling units and determines a time unit of the DRX timer based on the determined relationship. Then, the wireless device calculates a time interval indicated by the DRX timer based on the time unit.
    Type: Application
    Filed: November 27, 2023
    Publication date: May 23, 2024
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Rui FAN, Jinhua LIU
  • Publication number: 20240172001
    Abstract: A method and system for a training manager for generating diagnosis models for mobile networks. The method including selecting automatically a set of parameters for an action to be simulated in a simulated network where the simulated network replicates a target network for a diagnosis model, executing a simulation of an operation of a network based on the set of parameters of the action to generate an output of the simulation including a set of network performance metrics, transforming output of the simulation into training data for the diagnosis model, training the diagnosis model with the training data, and outputting the diagnosis model for the target network, in response to the diagnosis model meeting a designated quality threshold.
    Type: Application
    Filed: March 30, 2021
    Publication date: May 23, 2024
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Hasan FAROOQ, Maxime BOUTON, Julien FORGEAT, Meral SHIRAZIPOUR, Shruti BOTHE
  • Publication number: 20240171757
    Abstract: A method for making a smooth prediction block of samples in a picture in an image or video encoder or decoder is provided. The method includes determining parameters r of a polynomial model by r=(BTB)?1*(BT*x), where B is a matrix of bases and x is a source of samples in vector form. The method includes predicting a block x? based on the parameters r and the matrix of bases B.
    Type: Application
    Filed: March 30, 2022
    Publication date: May 23, 2024
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Kenneth ANDERSSON, Jack ENHORN
  • Publication number: 20240172097
    Abstract: Methods, systems, and Instructions are disclosed to support restricted Proximity-based Services (ProSe) direct discovery in a wireless network. In one embodiment, a method is performed by a first network function (NF), where a terminal device communicates with another terminal device based on the restricted ProSe direct discovery. The wireless network is to assign one ProSe Discovery user equipment (UE) identifier (PDUID) to the terminal device to identify the terminal device in the restricted ProSe direct discovery. The method comprises receiving a request message including a UE identifier (UE ID), where the UE ID uniquely identifies the UE in the wireless network; generating a ProSe Discovery user equipment (UE) identifier (PDUID) for the UE ID based on the UE ID; and transmitting a PDUID information message to a second NF, where the PDUID information message comprises the PDUID and a validity timer.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 23, 2024
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Zhang FU, Shabnam SULTANA, Juying GAN
  • Publication number: 20240171452
    Abstract: A computer-implemented method for analyzing issues in a cellular network is provided. The cellular network includes a plurality of cells, including source cells and neighbor cells. The method includes building a network graph representing features of the cells. The method includes identifying, using the network graph, sub-graphs for each source cell indicating a network issue. The method includes, for each network issue of the source cell for each sub-graph, ranking each feature. The method includes, for each source cell, training, using a feature set identified, a first machine learning (ML) model. The method includes training a second ML model, using patterns identified by each cluster, to classify an unidentified pattern of one or more neighbor cells contribution to the source cell network issue and identify root cause information for the issue.
    Type: Application
    Filed: March 2, 2022
    Publication date: May 23, 2024
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Michal Horemuz, Jared Keown, Rahul Jain, Cesar Marco Rubio, Kin Soon Douglas Ho, Philipp FRANK
  • Patent number: 11990141
    Abstract: A method of approximating a lost or corrupted multichannel audio frame of a multichannel audio signal in a decoding device is provided. The device may generate a down-mix error concealment frame and transform the frame into a frequency domain to generate a transformed down-mix error concealment frame. The device may decorrelate the transformed frame to generate a decorrelated concealment frame. The device may obtain a residual signal spectrum of a stored residual signal of a previously received multichannel audio signal frame and generate an energy adjusted decorrelated residual signal concealment frame using the residual signal spectrum. The device may obtain a set of multi-channel audio substitution parameters and provide the frames and substitution parameters to an audio synthesis component to generate a synthesized multichannel audio frame. The device performs an inverse frequency domain transformation of the audio frame to generate a substitution frame for the lost or corrupted audio frame.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: May 21, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Erik Norvell, Chamran Moradi Ashour
  • Patent number: 11991782
    Abstract: Embodiments of the present disclosure provide methods, apparatus and computer program products for network function service discovery. A method implemented at a second network node in a wireless core network with service based architecture comprises: receiving a registration request for network function instance from a network function, the registration request comprising information identifying a subscriber group to which the network function instance is applicable; and storing the information in association with the network function instance. With embodiments of the disclosure, size of NF profile can be saved.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: May 21, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Cheng Wang, Yong Yang, Gang Ren, Xiao Li, Xinyu Zhang, Junyi Wang
  • Patent number: 11991359
    Abstract: There are provided mechanisms for methods and apparatuses for transform selection in encoding and decoding of video blocks.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: May 21, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Christopher Hollmann, Davood Saffar, Jacob Ström, Per Wennersten
  • Patent number: 11990147
    Abstract: A method for spectrum recovery in spectral decoding of an audio signal, comprises obtaining of an initial set of spectral coefficients representing the audio signal, and determining a transition frequency. The transition frequency is adapted to a spectral content of the audio signal. Spectral holes in the initial set of spectral coefficients below the transition frequency are noise filled and the initial set of spectral coefficients are bandwidth extended above the transition frequency. Decoders and encoders being arranged for performing part of or the entire method are also illustrated.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: May 21, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Gustaf Ullberg, Manuel Briand, Anisse Taleb
  • Patent number: 11991734
    Abstract: A method and a radio access device for performing the method for positioning of a target station (STA) by a radio access device. The method receives sounding feedback, from a target station (STA), for each of a plurality of subbands in response to sending a sounding signal, the sounding feedback comprising channel quality information for each subband of the plurality of subbands. The method calculates an angle-of-arrival (AoA) characteristic from the sounding feedback for at least a subset of the plurality of subbands and maps the AoA characteristics of the at least the subset of the plurality of subbands to a fingerprint in a fingerprint reference map. The method then determines the location of the target STA based on at least the fingerprint.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: May 21, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Torbjörn Wigren, Meng Wang
  • Patent number: 11989279
    Abstract: A method and system for service image deployment in a cloud computing system based on distributed ledger technology are described. A first signed message including a request to authorize installation of a service image, a service image identifier, a service installer account identifier, and one or more hashes of the service image is received. Responsive to determining, based on the service installer account identifier and a distributed ledger, that the service installer is authorized to install a service image identified with the service image identifier in a cloud computing system: the one or more hashes of the service image are recorded in a list of valid service images of the distributed ledger; and a first message is transmitted to the service installer. The message includes a first service installation token and the service image identifier, that cause the service installer to install the service image in the cloud computing system.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: May 21, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mukesh Thakur, James Kempf
  • Patent number: 11990145
    Abstract: A method performed by an encoder. The method comprises determining envelope representation residual coefficients as first compressed envelope representation coefficients subtracted from the input envelope representation coefficients. The method comprises transforming the envelope representation residual coefficients into a warped domain so as to obtain transformed envelope representation residual coefficients. The method comprises applying, at least one of a plurality of gain-shape coding schemes on the transformed envelope representation residual coefficients in order to achieve gain-shape coded envelope representation residual coefficients, where the plurality of gain-shape coding schemes have mutually different trade-offs in one or more of gain resolution and shape resolution for one or more of the transformed envelope representation residual coefficients.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: May 21, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Jonas Svedberg, Stefan Bruhn, Martin Sehlstedt
  • Patent number: 11990969
    Abstract: According to an aspect, a wireless node selects a set of reference signal antenna ports for use in transmitting data to other wireless nodes in a given transmit time interval, from a plurality of sets of reference signal antenna ports that are available for use and that include reference signal antenna ports having different reference signal densities in the frequency and/or time dimension. The wireless node sends a message to a second wireless node indicating a reference signal assignment and including an indication of the selected set of reference signal antenna ports.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: May 21, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Lars Lindbom, Mattias Frenne, Martin Hessler, Karl Werner
  • Patent number: 11991710
    Abstract: New signaling is defined from wireless devices (10) to a wireless communication network, concerning the wireless devices' duty cycle statuses. This allows the network to optimize its control of the radio resource usage. Additionally, embodiments described herein provide new signalling from the network to wireless devices concerning the network's duty cycle status. This allows wireless devices (10) to optimize their idle mode operation, including decisions whether to request a connection setup or remain in idle mode. Embodiments described and claimed herein provide a set of simple methods for operating a cellular system in a duty cycle controlled radio frequency band.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: May 21, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Olof Liberg, David Sugirtharaj, Emma Wittenmark, Mai-Anh Phan
  • Patent number: 11991544
    Abstract: According to one aspect of the present disclosure, an apparatus for correlating network data analytics, NDA, information for a device group comprising multiple terminal devices is provided, wherein each terminal device is associated with a group member identifier and the device group is associated with a group identifier. The apparatus is adapted to receive an NDA request comprising a group identifier and an NDA specification of NDA information to be collected, to send a group member identifier request comprising the group identifier, and to receive, in response to the group member identifier request, one or more group member identifiers associated with the group identifier.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: May 21, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Miguel Angel Puente Pestaña, Javier Campo Trapero, Miguel Angel Muñoz de la Torre Alonso
  • Patent number: 11991703
    Abstract: UE capability information for both LTE and NR is provided so that the network will be able to determine: 1) whether the UE supports performing NR measurements while in LTE IDLE, IDLE with suspended or INACTIVE mode; 2) whether the UE supports performing LTE measurements while in NR IDLE or INACTIVE mode; and/Receive or 3) whether the UE supports performing inter-RAT measurements in a different frequency range, when the UE is camping in one frequency range.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: May 21, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Oumer Teyeb, Patrik Rugeland
  • Patent number: 11991055
    Abstract: A technique for anticipating impacts on service levels of one or more services provided to a User Equipment, UE, while the UE moves along a planned route is disclosed, wherein each of the one or more services is provided to the UE using a network slice in a network slicing based mobile communication system. A method implementation of the technique is performed by an anticipation component and comprises receiving (S202) a service level anticipation request for the planned route of the UE, triggering (S204) determining an expected impact on the service levels of the one or more services at one or more locations of the planned route, and triggering (S206) sending a response to the service level anticipation request including information on the expected impact on the service levels.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: May 21, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Allan Vidal, Pedro Henrique Gomes Da Silva, Mateus Santos
  • Patent number: 11991029
    Abstract: The present disclosure relates to a method for physical random access channel, PRACH, signal generation. The method comprises obtaining (S10) a first time-domain sequence (1010a) comprising a first set of time-domain samples. The method also comprises generating (S20) a second time-domain sequence (1040a) comprising a second set of time-domain samples, the second set of time-domain samples comprising the first set of time-domain samples and interpolated time-domain samples inserted between the samples of the first set of time-domain samples, the number of time-domain samples in the second set of time-domain samples matching a required number of samples needed for a digital-to-analogue converter, DAC, having a predetermined sampling rate, and providing (S50) the second time-domain sequence to the DAC. The present disclosure also relates to corresponding systems, user equipment, interpolation circuitry, PRACH control modules and associated methods, and computer program products.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: May 21, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Raymundo Ramirez-Gutierrez, Naga Anjaneya Chandra Sekhara Reddy Ireddy
  • Patent number: 11991075
    Abstract: A method performed by a network controller for a mobile transport network. The method includes: obtaining traffic information for a plurality of demands for connectivity from client nodes through the mobile transport network, the traffic information for each demand identifying a client node for the demand, an egress node for the demand and an amount of traffic for the demand; calculating, for each demand, one or more paths from the client node, via an ingress node, to the egress node through the mobile transport network; mapping each path for a demand to a source port in the ingress node for the demand; providing the mapping to the ingress nodes to enable routing of traffic pertaining to the demands via the paths, based on the source port; and providing the source ports to the client nodes for inclusion in traffic pertaining to the demands.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: May 21, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Giovanni Fiaschi, Yun Lin
  • Patent number: 11990973
    Abstract: There is provided mechanisms for beam management. A method is performed by a radio transceiver device. The method comprises obtaining an angle spread value for signal paths towards a second radio transceiver device. The method comprises performing a beam management procedure for selecting which directional beam to use for communication with the second radio transceiver device by transmitting or receiving reference signals in a candidate set of directional beams. Which directional beams to include in the candidate set of directional beams is dependent on the angle spread value by the angle spread value determining sparsity of the directional beams in the candidate set of directional beams.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: May 21, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Anders Landström, Arne Simonsson, Peter Ökvist, Magnus Thurfjell, Kjell Larsson, Medhat Mohamad, Olle Rosin