Patents by Inventor Icaro Leonardo Da Silva

Icaro Leonardo Da Silva 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).

  • Publication number: 20250119966
    Abstract: A method performed by a wireless device (18) comprises receiving (250), from a master node (12A) for multi-connectivity operation, a configuration message (20) which includes a master configuration (28) and one or more conditional PSCell configurations (22). The method also comprises transmitting (260) a first message (26) in response to the configuration message (20). The first message (26) indicates acknowledgement of receipt, applying of, and/or understanding of the master configuration (28). The method also comprises, after transmitting (260) the first message (26), when the condition for applying the PSCell configuration (22) of at least one of the one or more conditional PSCell configurations (22) is fulfilled, transmitting (270), to the master node (12A), a second message (30) that includes an indication (24) indicating application by the wireless device (18) of the PSCell configuration (22) of at least one of the one or more PSCell configurations (22).
    Type: Application
    Filed: December 20, 2024
    Publication date: April 10, 2025
    Inventors: Icaro Leonardo Da Silva, Mattias Bergström, Cecilia Eklöf
  • Publication number: 20250106906
    Abstract: A method, system, network node and wireless device for random access are provided. In one or more embodiments, a wireless device is configured to communicate with a network node. The wireless device includes processing circuitry configured to: trigger a random access (RA) process; select a first beam for the RA process, the selected first beam being associated with a two-step RA configuration, a characteristic of the selected first beam being determined to meet a predefined threshold; and perform the RA process associated with the two-step RA configuration using the selected first beam.
    Type: Application
    Filed: October 8, 2024
    Publication date: March 27, 2025
    Inventors: Johan RUNE, Icaro Leonardo DA SILVA
  • Patent number: 12256453
    Abstract: Methods and apparatuses are disclosed for conditional handover in handover command. In one embodiment, a wireless device (WD) is configured to receive a request to perform a mobility procedure for a wireless device from a source cell supported by a source network node to a target cell supported by the network node, the request including a current configuration for the wireless device in the source cell; upon receiving the request, determine to prepare a conditional reconfiguration for the wireless device; and transmit the conditional reconfiguration and a radio resource control, RRC, reconfiguration for the wireless device, the RRC reconfiguration being associated with the requested mobility procedure from the source cell to the target cell supported by the network node and the conditional reconfiguration being associated with a target candidate cell determined by the network node.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: March 18, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Icaro Leonardo da Silva, Cecilia Eklöf
  • Publication number: 20250088918
    Abstract: A user equipment receives multiple conditional reconfigurations associated with respective conditions. The user equipment is to execute a conditional configuration upon fulfillment of an associated condition. The user equipment accordingly executes one of the multiple conditional configurations upon fulfillment of an associated condition. The user equipment transmits, to a target radio network node, an indication that indicates which one of the multiple conditional reconfigurations the user equipment executed.
    Type: Application
    Filed: November 22, 2024
    Publication date: March 13, 2025
    Inventors: Patrik Rugeland, Oumer Teyeb, Mattias Bergström, Icaro Leonardo Da Silva
  • Publication number: 20250048416
    Abstract: There is provided a method performed by a user equipment (UE). The method comprises: receiving a message for activating multiple Transmission Configuration Indicators (TCIs) configured for the UE; and performing Radio Link Monitoring (RLM) measurements, for a plurality of Transmission Reception Points (TRPs) configured for the UE, on reference signals associated with multiple Physical Cell Identifiers (PCIs), wherein the reference signals are configured as Quasi-Colocation (QCL) source of the activated TCI states. A UE for implementing this method is also provided.
    Type: Application
    Filed: September 30, 2022
    Publication date: February 6, 2025
    Inventors: Helka-Liina MÄÄTTÄNEN, Icaro Leonardo Da Silva, Pradeepa Ramachandra, Venkatarao GONUGUNTLA
  • Patent number: 12219635
    Abstract: A method performed by a wireless device (18) comprises receiving (250), from a master node (12A) for multi-connectivity operation, a configuration message (20) which includes a master configuration (28) and one or more conditional PSCell configurations (22). The method also comprises transmitting (260) a first message (26) in response to the configuration message (20). The first message (26) indicates acknowledgement of receipt, applying of, and/or understanding of the master configuration (28). The method also comprises, after transmitting (260) the first message (26), when the condition for applying the PSCell configuration (22) of at least one of the one or more conditional PSCell configurations (22) is fulfilled, transmitting (270), to the master node (12A), a second message (30) that includes an indication (24) indicating application by the wireless device (18) of the PSCell configuration (22) of at least one of the one or more PSCell configurations (22).
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: February 4, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Icaro Leonardo Da Silva, Mattias Bergström, Cecilia Eklöf
  • Publication number: 20250039671
    Abstract: A method performed by a wireless device (12) for use in a wireless communication system (10). The method comprises: receiving (W2100) signaling (22) indicating how the wireless device (12) is to generate a message authentication code, MAC, (20) for integrity protecting a Radio Resource Control, RRC, message (18) that requests resumption of an RRC connection; generating (W2110) the MAC according to the signaling; and transmitting (W2120) the RRC message and the generated MAC. Further methods, a wireless devices, network nodes, computer programs, carriers and a communication system are also disclosed.
    Type: Application
    Filed: October 11, 2024
    Publication date: January 30, 2025
    Inventors: Icaro Leonardo Da Silva, Prajwol Kumar Nakarmi, Gunnar Mildh, Magnus Stattin
  • Publication number: 20240413939
    Abstract: There is provided a method performed by a user equipment (UE). The method comprises: receiving, from a first network node, one or more inter-cell multiple Transmission Reception Point (mTRP) configurations, wherein each configuration comprises one or more cell parameters determining one or more cell parameters from the received inter-cell mTRP configurations according to a selection function; and transmitting a message to a second network node, the message comprising a UE identifier, obtained from the selected one or more cell parameters.
    Type: Application
    Filed: September 9, 2022
    Publication date: December 12, 2024
    Inventors: ICARO LEONARDO DA SILVA, HELKA-LIINA MÄÄTTÄNEN, PRADEEPA RAMACHANDRA
  • Publication number: 20240406778
    Abstract: Systems and methods for early measurement reporting with a Radio Resource Control (RRC) resume complete like message are disclosed. Embodiments of a method performed by a wireless device and corresponding embodiments of a wireless device are disclosed. In some embodiments, a method performed by a wireless device comprises receiving, from a network node, an indication with a first message to resume a connection with a target cell. The indication is an indication that the wireless device is to include measurements performed by the wireless device while in a dormant state with a second message that indicates that resuming of the connection with the target cell is complete. The method further comprises transmitting, to the network node, the measurements performed by the wireless device while in the dormant state with the second message.
    Type: Application
    Filed: July 24, 2024
    Publication date: December 5, 2024
    Inventors: Icaro Leonardo Da Silva, Antonino Orsino, Oumer Teyeb, Patrik Rugeland, Jens Bergqvist
  • Publication number: 20240397379
    Abstract: A communication device can be configured to operate in dual connectivity (DC) with a first node via a first cell group and at least one second node via a second cell group. The communication device can synchronize with the second cell group while the second cell group is in a power saving mode of operation. The communication device can determine that the second cell group is switching to an activated mode of operation. Responsive to determining that the second cell group is switching to the activated mode of operation, the communication device can transmit a message to the second node via the second cell group at a next available transmission occasion.
    Type: Application
    Filed: December 15, 2021
    Publication date: November 28, 2024
    Inventors: Stefan WAGER, Icaro Leonardo DA SILVA
  • Publication number: 20240397394
    Abstract: There is provided a method in a wireless device configured with multiple Physical Cell Identities (PCIs) for a mobility procedure, wherein the wireless device is configured with one or more cells operating in a same serving frequency, each cell associated with one or more PCIs. The method comprises: selecting a PCI among the multiple PCIs; determining cell measurement results based on cell measurements performed on the selected PCI, wherein the cell measurements represent measurements of a serving cell; and determining whether or not to trigger an event for measurement reporting, based on the cell measurement results. The wireless device may also select a subset of PCIs among the multiples PCIs and determine cell measurement results based on cell measurements performed based on the selected subset of PCIs.
    Type: Application
    Filed: October 7, 2021
    Publication date: November 28, 2024
    Inventors: Pradeepa RAMACHANDRA, Icaro Leonardo DA SILVA, Helka-Liina MÄÄTTÄNEN
  • Patent number: 12156018
    Abstract: A user equipment receives multiple conditional reconfigurations associated with respective conditions. The user equipment is to execute a conditional configuration upon fulfillment of an associated condition. The user equipment accordingly executes one of the multiple conditional configurations upon fulfillment of an associated condition. The user equipment transmits, to a target radio network node, an indication that indicates which one of the multiple conditional reconfigurations the user equipment executed.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: November 26, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Patrik Rugeland, Oumer Teyeb, Mattias Bergström, Icaro Leonardo Da Silva
  • Publication number: 20240381216
    Abstract: A method for indicating a Secondary Cell Group (SCG) state during a Conditional Handover (CHO) in a wireless communications network is provided. The method is performed by a User Equipment (UE), or by a source Master Node (MN). The UE is configured with a current SCG. A CHO configuration for the UE is obtained (1201) from a source MN. The CHO configuration comprises a configuration for a target candidate node. The target candidate node comprises any one or more out of: a target candidate MN and a target candidate Secondary Node (SN). When CHO execution conditions related to the CHO configuration are fulfilled, an indication is sent (1204) to the target candidate node. The indication indicates an SCG state being set to any one out of: SCG activated or SCG deactivated.
    Type: Application
    Filed: August 29, 2022
    Publication date: November 14, 2024
    Inventors: Cecilia Eklöf, Icaro Leonardo Da Silva, Jens Bergqvist, Liwei Qiu
  • Patent number: 12143820
    Abstract: A method performed by a wireless device (12) for use in a wireless communication system (10). The method comprises: receiving (W2100) signaling (22) indicating how the wireless device (12) is to generate a message authentication code, MAC, (20) for integrity protecting a Radio Resource Control, RRC, message (18) that 5 requests resumption of an RRC connection; generating (W2110) the MAC according to the signaling; and transmitting (W2120) the RRC message and the generated MAC. Further methods, a wireless devices, network nodes, computer programs, carriers and a communication system are also disclosed.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: November 12, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Icaro Leonardo Da Silva, Prajwol Kumar Nakarmi, Gunnar Mildh, Magnus Stattin
  • Patent number: 12144054
    Abstract: In one aspect, a wireless device is adapted to perform idle mode measurements. The wireless device performs and stores one or more radio signal measurements while in an idle mode or inactive state. The wireless device also deletes the stored radio signal measurements in response to any one of a number of events, such as receiving a RRC release message that does not include an idle mode measurement configuration, receiving an RRC release message while in RRC Connected state, receiving a handover message, or receiving a reconfiguration message adding a secondary cell for carrier aggregation.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: November 12, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Patrik Rugeland, Icaro Leonardo Da Silva, Oumer Teyeb, Jens Bergqvist
  • Patent number: 12127270
    Abstract: A method, system, network node and wireless device for random access are provided. In one or more embodiments, a wireless device is configured to communicate with a network node. The wireless device includes processing circuitry configured to: trigger a random access (RA) process; select a first beam for the RA process, the selected first beam being associated with a two-step RA configuration, a characteristic of the selected first beam being determined to meet a predefined threshold; and perform the RA process associated with the two-step RA configuration using the selected first beam.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: October 22, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Johan Rune, Icaro Leonardo Da Silva
  • Publication number: 20240340350
    Abstract: A communication device (600), a network node (700) and methods for managing a software version at the communication device (600). A method (300) performed by the communication device for managing a software version at the communication device comprises obtaining (320) an indication of at least one network indicated SW version from the network node, performing (340) at least one action on at least one of the at least one network indicated SW versions, and wherein at least two software versions are stored in the communication device in relation to a same subscriber identity module. Computer programs and a computer program product are also disclosed.
    Type: Application
    Filed: June 30, 2021
    Publication date: October 10, 2024
    Inventors: Icaro Leonardo Da Silva, Gunnar Mildh, Szilveszter Nádas, Gergely Pongrácz, Zoltán Richárd Turányi
  • Publication number: 20240340988
    Abstract: There is provided a method performed by a user equipment (UE). The method comprises: receiving one or more inter-cell multiple Transmission Reception Point (mTRP) configurations; initiating a re-establishment procedure with a network node; and in response to initiating the re-establishment procedure, releasing at least one of the one or more inter-cell mTRP configurations. There is another method performed by a UE. The method comprises: receiving one or more inter-cell mTRP configurations; obtaining an indication for performing at least one of: releasing at least one of the one or more inter-cell mTRP configurations and storing at least one of the one or more inter-cell mTRP configurations, for a re-establishment procedure; initiating a re-establishment procedure with a network node; and performing one of: releasing at least one of the one or more inter-cell mTRP configurations and storing at least one of the one or more inter-cell mTRP configurations, according to the obtained indication.
    Type: Application
    Filed: October 14, 2022
    Publication date: October 10, 2024
    Inventors: Icaro Leonardo DA SILVA, Pradeepa RAMACHANDRA
  • Publication number: 20240323773
    Abstract: According to certain embodiments, a method (1800) by a MN (160, 54, 64) includes transmitting (1802), to a T-SN (160, 56, 66), a request message requesting the addition or modification of the T-SN. The message indicates at least one of a number of requested PSCells to be configured by the T-SN and a maximum number of PSCells to be configured by the T-SN. The MN receives, from the T-SN, an indication of a plurality of target candidate PSCell configurations to configure for a wireless device (110, 52, 62).
    Type: Application
    Filed: January 14, 2022
    Publication date: September 26, 2024
    Inventors: Icaro Leonardo Da Silva, Cecilia Eklöf, Julien Muller
  • Publication number: 20240298166
    Abstract: A communication device (600), a network node (600) and methods for modifying the communication behaviour of the communication device (600) with regards to communication in a network. The communication behaviour is modified by controlling the functionality of the communication device. The communication device performs a method (300) of providing (310) at least one programmability capability indicator (PCI) to a network node (700). The communication device obtains (320) from the network node, configuration instructions provided in response to the provided PCI, and updates (330) the communication behaviour utilizing the obtained configuration instructions. Computer programs and a computer program product are also disclosed.
    Type: Application
    Filed: June 20, 2021
    Publication date: September 5, 2024
    Inventors: Gunnar Mildh, Icaro Leonardo Da Silva, Szilveszter Nádas, Gergely Pongrácz, Zoltán Richárd Turányi