Patents Assigned to ERICSSON
  • Publication number: 20250254297
    Abstract: There is provided a method for encoding or decoding a video, the video comprising a sequence of pictures which includes a first picture and a second picture. The method comprises obtaining a first group of values of samples included in a first block, wherein the first block is included in the first picture. The method further comprises selecting, from a set of filters, a filter to use for generating a second group of values included in a second block, wherein the second block is included in the first picture or the second picture. The method comprises, using the selected filter and the first group of values, generating the second group of values, wherein the filter comprises a set of 6, 8, 10, or 12 coefficient values, and the set of coefficient values is selected from given groups of coefficient values.
    Type: Application
    Filed: March 30, 2023
    Publication date: August 7, 2025
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Kenneth ANDERSSON, Ruoyang YU
  • Publication number: 20250254298
    Abstract: A method for generating an encoded video or a decoded video is provided. The method comprises obtaining values of reconstructed samples, and obtaining input information comprising any one or a combination of: i) information about filtered samples, ii) information about predicted samples, or iii) information about skipped samples. The method further comprises providing the values of reconstructed samples and the input information to a machine learning, ML, model, thereby generating at least one ML output data, and based at least on said at least one ML output data, generating the encoded video or the decoded video.
    Type: Application
    Filed: April 12, 2023
    Publication date: August 7, 2025
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Du LIU, Jacob STRÖM, Kenneth ANDERSSON, Yun LI, Mitra DAMGHANIAN, Ruoyang YU, Per WENNERSTEN
  • Patent number: 12381660
    Abstract: The invention refers to a method, performed by a user equipment, UE, for transmitting data based on a plurality of configured grants, CGs, of resources of a wireless network, the method comprising: receiving, from a network node serving the UE, configurations of a plurality of CGs of resources allocated for the UE to transmit data; transmitting, to the network node, an initial transmission of a transport block, TB, of data using first resources associated with a first one of the CGs, wherein the first CG supports a plurality of repetitions of a single TB; selecting second resources associated with a second one of the CGs for transmission of a subsequent repetition of the TB; and transmitting, to the network node, the subsequent TB repetition using the second resources associated with the second CG; the invention further refers to a method in a corresponding network node and to a corresponding UE and a network node respectively.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: August 5, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventor: Min Wang
  • Patent number: 12381669
    Abstract: A method, system and apparatus are disclosed. According to one or more embodiments, a network node configured to communicate with a wireless device is provided. The network node includes processing circuitry configured to: trigger a first aperiodic, AP, reference signal transmission using a reference signal trigger state; and trigger a second AP reference signal transmission using the reference signal trigger state associated with the first AP reference signal transmission, the second AP reference signal transmission is configured to use at least one different frequency resource than the first AP reference signal transmission.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: August 5, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Andreas Nilsson, Mattias Frenne, Sven Jacobsson
  • Patent number: 12382525
    Abstract: A service is utilized by a wireless communication device (10). For this service, the wireless communication device (10) simultaneously maintains a first data path (21) and a second data path (22) to a wireless communication network. The first data path (21) has a first QoS level, and the second data path (22) has a second QoS level that is different from the first QoS level. The wireless communication device (10) selects one of the first data path (21) and the second data path (22) for transmitting content of the service while the other of the first data path (21) and the second data path (22) is maintained in an inactive state.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: August 5, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Thorsten Lohmar, Ali El Essaili, Ann-Christine Eriksson, Mohamed Ibrahim
  • Patent number: 12382277
    Abstract: Methods and apparatuses for network capability exposure. A method at a network exposure entity comprises receiving, from a terminal device, a network exposure application programming interface (API) invocation message. The method further comprises validating whether the terminal device is allowed to use the invocated network exposure API. The method further comprises processing the network exposure API invocation message based on the validating result.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: August 5, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Jingrui Tao, Yun Zhang, Fengpei Zhang
  • Patent number: 12382330
    Abstract: A method (400) for reporting radio link failure, RLF, information. The method includes a user equipment, UE, detecting (s402) an RLF with respect to a master cell group, MCG. The method also includes, in response to detecting the RLF with respect to the MCG, the UE storing (s404) RLF information. The method also includes the UE sending (s406) a first message comprising MCG failure information, e.g., the RLF information, and activating a timer. The method also includes the UE receiving (s408) a second message after sending the first message and activating the timer. The method also includes the UE, in response to receiving the second message, determining (s410) that a condition is satisfied, wherein determining that the condition is satisfied comprises at least determining that the timer is still running. The method also includes, as a result of determining that the condition is satisfied, the UE deleting (s412) the RLF information.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: August 5, 2025
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Oumer Teyeb, Pradeepa Ramachandra, Antonino Orsino
  • Patent number: 12382091
    Abstract: A method of performing bi-directional optical flow, BDOF, processing for a video sequence of images, with each image including a plurality of blocks with bidirectional-predicted inter coding blocks, BPICBs. The method includes obtaining a shifted pair of refinement parameters per a subblock of a bidirectional-predicted inter coding block, wherein the shifted pair of refinement parameters includes a shifted first refinement parameter and a shifted second refinement parameter.
    Type: Grant
    Filed: February 16, 2024
    Date of Patent: August 5, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Du Liu, Ruoyang Yu
  • Patent number: 12381545
    Abstract: The present disclosure provides a device for signal delay. The device comprises: a frame of insulation material; multiple signal electrodes provided in the frame and electrically connected to each other in series; an input terminal electrically connected to a first of the multiple signal electrodes and configured to receive an input signal; and an output terminal electrically connected to a second of the multiple signal electrodes and configured to output an output signal that is delayed by the multiple signal electrodes with respect to the input signal, wherein at least one of the multiple signal electrodes is located at a different height than those of other signal electrodes with respect to a surface on which the device is to be mounted.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: August 5, 2025
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Yongbin Liu, Yasong Zhang, Anatoli Deleniv, Sven Patrik Lindell
  • Patent number: 12382285
    Abstract: A technique of authenticating an operator of a wireless terminal device is presented, wherein the first terminal device comprises a subscriber identity module (SIM) and wherein a subscription identifier is stored in the SIM. A method aspect of this technique comprises receiving the subscription identifier or a temporary identifier associated with the subscription identifier. The method aspect also comprises receiving a first set of biometric data of the operator, wherein the first set of biometric data has been entered by the operator at the terminal device, and sending a database request towards a subscriber database in a core network domain of a wireless communication system, the database request including the subscription identifier or the temporary identifier.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: August 5, 2025
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Enrico De Luca, Daniele Gaito, Maria Pia Cancro
  • Patent number: 12382503
    Abstract: Systems and methods related to balancing random access resources between 2-step Random Access Channel (RACH) and 4-step RACH. In one embodiment, a method performed by a first network node comprises obtaining information related to 2-step RACH and/or 4-step RACH, for cell(s) and/or beam(s) controlled by the first network node. The method further comprises determining, based on the obtained information, first assistance information for 2-step and/or 4-step RACH configuration, for the cell(s) and/or the beam(s) controlled by the first network node. The method further comprises transmitting, to a second network node, second assistance information for the 2-step and/or 4-step RACH configuration, for the cell(s) and/or the beam(s) controlled by the first network node. The second assistance information comprises the first assistance information or information that indicates one or more parts of the first assistance information.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: August 5, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Marco Belleschi, Luca Lunardi, Pablo Soldati, Ali Parichehrehteroujeni, Johan Rune, Angelo Centonza, Pradeepa Ramachandra
  • Patent number: 12381671
    Abstract: Limited uplink bandwidth radio network devices are supported on wide bandwidth uplink carriers by configuring and controlling the use of multiple control regions within the uplink carrier bandwidth. In some embodiments, the total bandwidth of the uplink carrier is divided into a plurality of sub-band portions, wherein each sub-band portion includes at least one control region nominally dedicated to the transmission of uplink control signaling. Radio network devices are configured with a specified portion of the uplink carrier bandwidth for use for uplink transmission, which includes at least one control region. Radio network devices may be provisioned or provided with information regarding control regions reserved for control signaling by other radio network devices. The radio network devices may be dynamically configured to allow or suppress uplink data signaling in specified control regions, or portions thereof.
    Type: Grant
    Filed: June 26, 2023
    Date of Patent: August 5, 2025
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Robert Baldemair, Erik Dahlman, Sorour Falahati, Daniel Chen Larsson, Stefan Parkvall
  • Patent number: 12381686
    Abstract: Embodiments described herein relate to methods and apparatus in networks, and particularly methods, Location Management Functions, base stations and wireless devices for configuring and sending uplink sounding reference signals (UL SRS). An example method performed by a Location Management Function (LMF) comprises receiving radio resource information relating to radio resources that can be applied for UL SRS by a wireless device; and providing a notification relating to triggering aperiodic uplink SRS to a base station serving the wireless device.
    Type: Grant
    Filed: March 13, 2024
    Date of Patent: August 5, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Ritesh Shreevastav, Gino Luca Masini, Iana Siomina, Per Ernström, Åke Busin, Florent Munier
  • Patent number: 12382531
    Abstract: A method by a network node, operating as a target donor CU in an IAB network serving as a candidate donor node for a migrating IAB node and providing connectivity for a UE. A message for IAB handover including contexts of the migrating IAB node and UEs and IAB nodes directly or indirectly served by the migrating IAB node is received. Admission control is performed for the UEs and IAB nodes. A handover command to a mobile termination, MT, of the migrating IAB node, and each UE and MT of the IAB nodes is prepared. A group handover command that recursively contains handover commands of all the UEs and MTs is generated. A handover acknowledge message including a list of admitted and not admitted PDU session resources and containing the group handover command is sent. A RRC Reconfiguration Complete message is received.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: August 5, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Oumer Teyeb, Filip Barac
  • Patent number: 12382495
    Abstract: A first group embodiments provide a method performed by a network node (NN) in a wireless network comprising responsive to a DL data intended for a user equipment (UE), transmitting a first short signal burst to the UE over a channel using a directional beam, and based on detecting a first response to the first short signal burst from the UE indicating that the channel is available, transmitting at least a portion of the DL data to the UE over the channel using the directional beam. A second group embodiments provide a method performed by a NN comprising determining availability of a channel between the network node and the UE using a directional beam, based on determining that the channel is available, transmitting a first resource grant for transmission of a UL data by the UE, and receiving the UL data from the UE over the channel using the directional beam.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: August 5, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Yuhang Liu, Jung-Fu Cheng, Peter Alriksson, Tai Do, Aliakbar Mirzaei
  • Patent number: 12382527
    Abstract: A method performed by a wireless device for cell identifier (Cell-ID) selection, includes attempting a radio resource control (RRC) connection action. A designated Cell-ID is selected from a plurality of Cell IDs in a system information block (SIB). An identifier is determined based on the designated Cell-ID. The identifier is transmitted to a network node as part of the RRC connection action.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: August 5, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Mattias Bergström, Magnus Stattin
  • Patent number: 12381668
    Abstract: Techniques are provided to enable use of more than two preamble group Bs during random access (RA) for connected UEs. This flexibility is achieved by configuring the active BWP to overlap with the 2-step RA resources on the initial BWP, configuring different sizes of preamble group B in the initial BWP and the active BWP, a allowing connected UEs in the active BWP to use the MsgA PRACH and MsgA PUSCH resources in the initial BWP without switching active BWP.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: August 5, 2025
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Jan Christoffersson, Jonas Sedin, Johan Rune, Henrik Enbuske
  • Patent number: 12381690
    Abstract: A method for a UE in a multiple transmission points communication system, mTRP, scheme, is provided. The method includes receiving downlink control information, DCI, indicating at least two transmission points scheme for a scheduled data transmission on physical resource blocks, PRBs. The PRBs includes at least a first subsets of PRBs, associated with a first transmission point, and a second subset of PRBs, associated with a second transmission point. The method further includes determining a first PT-RS frequency density for the first set of PRBs based on the number of PRBs in the first set of PRBs and a second PT-RS frequency density based on the number of PRBs in the second set of PRBs. A UE, methods for a base station and a base station are also provided.
    Type: Grant
    Filed: June 6, 2024
    Date of Patent: August 5, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mattias Frenne, Shiwei Gao, Siva Muruganathan
  • Patent number: 12375136
    Abstract: The invention relates to a wireless communication device configured for use in a wireless communication system, wherein, based on one or more structural properties of a multi-panel antenna array describing how the antenna array is structured into multiple panels, a precoder is selected to be applied for a transmission from the multi-panel antenna array; and wherein an information indicative of the determined precoder is signaled to a transmit radio node; the invention further refers to a transmit radio node configured for transmitting via a multi-panel antenna array in a wireless communication system, wherein signaling indicating one or more structural properties of a multi-panel antenna array describing how the antenna array is structured into multiple panels is transmitted to the wireless communication device.
    Type: Grant
    Filed: January 30, 2024
    Date of Patent: July 29, 2025
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Sebastian Faxér, Mattias Frenne
  • Patent number: 12375559
    Abstract: Methods and apparatus are provided. In an example aspect, a method of storing data in a communication system is provided. The data comprises n data blocks, and k data blocks of the n data blocks are required to recover the data. The communication system includes a plurality of clusters of data storage nodes including a first cluster that is a closest cluster of the plurality of clusters to a source of the data. The method comprises receiving, from a node associated with a respective network operator of each of the clusters of storage nodes, information identifying the data storage nodes that are in each of the clusters. The method also comprises causing each of at least k data blocks of the n data blocks to be stored in a different storage node in the first cluster.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: July 29, 2025
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Róbert Szabó, Ákos Recse