Patents by Inventor Gunnar Mildh

Gunnar Mildh 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).

  • Bearer mapping in IAB nodes
    Patent number: 12144053
    Abstract: According to some embodiments, a method performed by an integrated access and backhaul (IAB) network node comprises receiving a backhaul channel configuration from a network node. The backhaul channel configuration comprises a mapping of one or more traffic identifiers to one or more wireless backhaul channels. The method further comprises receiving incoming traffic for transmission on a wireless backhaul channel, determining the wireless backhaul channel for transmitting the incoming traffic based on a type of the incoming traffic and the mapping of one or more traffic identifiers to one or more wireless backhaul channels, and transmitting the received incoming traffic on the determined wireless backhaul channel.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: November 12, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Gunnar Mildh, Ajmal Muhammad, Oumer Teyeb
  • Methods for suspending inactive when resuming and resuming inactive when suspending
    Patent number: 12127293
    Abstract: According to an aspect, a wireless device, operating in a wireless network, handles transitions from Radio Resource Control (RRC) connected state to an RRC inactive state. The wireless device receives, from the wireless network, a message indicating either that the wireless device is to enter the RRC inactive state or that the wireless device is to remain in the RRC inactive state. The wireless device, responsive to the message, uses, for inactive state operation, at least one previously stored inactive state parameter corresponding to a parameter omitted from the message.
    Type: Grant
    Filed: August 1, 2023
    Date of Patent: October 22, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Icaro L. J. da Silva, Gunnar Mildh
  • Managing a Communication Device Software Version
    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
  • Method and apparatus for switching UPFs
    Patent number: 12114222
    Abstract: A method performed by a core network node of a wireless communications network having a first gNB and a second gNB, a wireless device, WD, is connected to the first gNB, and a first Packet Data Unit, PDU, session is established between the WD and a Data Network over a first User Plane Function, UPF. The method includes obtaining information regarding a predicted positional change indicating a new future position of the WD and selecting a second UPF which is more suitable than the first UPF for transmission of data between an application server and the WD for the new future position. The method includes triggering establishment of the second PDU session over the second UPF, and in response to the triggering establishment of the second PDU session over the second UPF, triggering a first move of packet flows from the first PDU session to the second PDU session.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: October 8, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Dinand Roeland, Göran Eriksson, Gunnar Mildh
  • Enabling uplink routing that supports multi-connectivity in integrated access back-haul networks
    Patent number: 12108321
    Abstract: A method performed by a network node operating as an Integrated Access Backhaul (IAB) node includes determining at least two parent nodes within a multi-hop IAB network. The IAB node receives an uplink routing configuration associated with a cell group configuration that identifies a selected one of the parent nodes. Based on the uplink routing configuration associated with the cell group configuration, packets are sent to at least one of the at least two parent nodes.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: October 1, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Oumer Teyeb, Gunnar Mildh, Ajmal Muhammad
  • UE BEHAVIOR WITH REJECTION OF RESUME REQUEST
    Publication number: 20240314872
    Abstract: Systems and methods are disclosed herein relating to wireless device behavior after rejection of a resume request triggered by a Radio Access Network (RAN) based Notification Area Update (RNAU) or upon cell reselection during resume. In some embodiments, a method of operation of a wireless device comprises transmitting, to a RAN node, a Radio Resource Control (RRC) resume request triggered by an RNAU and receiving, from the RAN node, an RRC resume reject message comprising a wait timer value in response to the RRC resume request. The method further comprises starting a wait timer initialized with the wait timer value and sending the RNAU when the wait timer has expired. Corresponding embodiments of a wireless device are also disclosed. Embodiments of a wireless device and methods of operation thereof related to the behavior of the wireless device upon performing a cell reselection during resume are also disclosed.
    Type: Application
    Filed: May 29, 2024
    Publication date: September 19, 2024
    Inventors: Gunnar Mildh, Icaro Leonardo J. da Silva
  • CONFIGURING A USER PLANE (UP) PROTOCOL LAYER
    Publication number: 20240314229
    Abstract: A method including a protocol stack including a plurality of layers, the plurality of layers comprising-including a first layer and a second layer. The first layer generating a first protocol data unit (PDU) associated with a first data flow. The second layer obtaining the first PDU and information about the first PDU. Further, the method includes the second layer either i) determining, based on the information about the first PDU, a sublayer configuration to be applied to at least one or more PDUs associated with the first data flow or ii) providing to another layer the information about the first PDU so that the another layer can determine, based on the information, the sublayer configuration to be applied to the one or more PDUs associated with the first data flow.
    Type: Application
    Filed: June 21, 2021
    Publication date: September 19, 2024
    Inventors: Massimo CONDOLUCI, Paul SCHLIWA-BERTLING, Dung PHAM VAN, Bikramjit SINGH, Gunnar MILDH
  • Alternate path information exchange for better scheduling and backhaul failure recovery in integrated access backhaul networks
    Patent number: 12089276
    Abstract: A method and apparatus are disclosed for using alternate paths for descendant nodes for backhaul failure link reporting. In one embodiment, a method for a network node that may be a parent node includes receiving information indicating at least one alternate path of at least one child IAB node to an IAB donor node, the at least one child IAB node being a wireless backhaul node; and using the received information to perform at least one of a backhaul wireless link failure recovery and load balancing of traffic. In another embodiment, a method for a network node that may be a child node includes receiving information indicating at least one alternate path of a parent IAB node to an IAB donor node, the parent IAB node being a wireless backhaul node for the child IAB node. The received information is used to perform at least one operational task.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: September 10, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Ajmal Muhammad, Oumer Teyeb, Gunnar Mildh
  • Modifying Communication Behavior of a Communication Device
    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
  • Efficient backhaul-link failure recovery in integrated access backhaul (IAB) networks
    Patent number: 12075505
    Abstract: A method and network node for backhaul link failure recovery are disclosed. A network node is configured to attempt to find an alternative backhaul link to replace the failed backhaul link. If the attempt to find an alternative backhaul link fails, then the network node communicates a first indication of an existence of the failure to the first child network node one level below the network node affected by the failure and causes the first child network node to find another network node to serve as a new parent network node. If the first child network node finds another node to serve as the new parent network node then the network node is configured to serve as a second child network node of the first child network node so that the first child network node serves as a parent of the network node.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: August 27, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Ajmal Muhammad, Oumer Teyeb, Gunnar Mildh
  • Configuring Radio Resources
    Publication number: 20240284167
    Abstract: A method, performed by a wireless device, is disclosed. The method is for managing radio resources in the wireless device and comprises receiving a message configuring a radio bearer for use by the wireless device, checking the message for a ciphering configuration setting enabling or disabling ciphering for the radio bearer, and performing at least one of enabling or disabling ciphering for the radio bearer in accordance with the received message. Also disclosed are a method performed by a base station for configuring radio resources for use by a wireless device, a wireless device, a user equipment and a base station.
    Type: Application
    Filed: March 29, 2024
    Publication date: August 22, 2024
    Inventors: Patrik Rugeland, Gunnar Mildh, Håkan Palm
  • Node and Method for Prescheduling ULink Resources in a Wireless Network According to a UE's Application Requirements
    Publication number: 20240276501
    Abstract: Example embodiments presented herein are directed towards a wireless device and a network node, and corresponding methods therein, for prescheduling uplink communications in a wireless network. Such prescheduling is performed prior to the time the uplink communication is needed. According to the example embodiments, the prescheduling is performed with the network node having knowledge of a communication pattern of the wireless device via at least one prescheduling parameter obtained by the network node.
    Type: Application
    Filed: March 14, 2024
    Publication date: August 15, 2024
    Inventors: Xiaohui Wang, Gunnar Mildh, Conor White
  • Systems and methods of handing over a wireless device
    Patent number: 12063560
    Abstract: A source base station determines that a wireless device is to be handed over from the source base station to a target base station and sends, to the target base station in a handover signaling message, a current mapping between two or more flow identifiers and a first data radio bearer used for communication between the wireless device and the source base station. The source base station receives, from the target base station, an indication that the current mapping is to be used and hands over the wireless device from the source base station to the target base station.
    Type: Grant
    Filed: September 2, 2022
    Date of Patent: August 13, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Gunnar Mildh, Paul Schliwa-Bertling
  • Handling of periodic radio access network (RAN) based notification area (RNA) timer
    Patent number: 12052793
    Abstract: A method and wireless device for handling a periodic RNA update timer are disclosed. A method is implemented in a wireless device (WD) for stopping an update timer based on a condition including that the WD: receives an RRC Setup message triggering transition of the WD to an RRC_CONNECTED state in response to an RRC Resume request message; receives an RRC Suspend message indicating that the WD is to stay in an RRC_INACIVE state in response to an RRC Resume Request message; receives an RRC Release message triggering transition of the WD to an RRC_IDLE state in response to an RRC Resume Request message; fails to receive an RRC Resume message, RRC Suspend message or an RRC Release message after sending an RRC Resume Request message; or the WD enters the RRC_IDLE state from the RRC-INACTIVE state without transitioning through the RRC_CONNECTED state.
    Type: Grant
    Filed: May 9, 2023
    Date of Patent: July 30, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Gunnar Mildh, Icaro L. J. Da Silva
  • UE behavior with rejection of resume request
    Patent number: 12035401
    Abstract: Systems and methods are disclosed herein relating to wireless device behavior after rejection of a resume request triggered by a Radio Access Network (RAN) based Notification Area Update (RNAU) or upon cell reselection during resume. In some embodiments, a method of operation of a wireless device comprises transmitting, to a RAN node, a Radio Resource Control (RRC) resume request triggered by an RNAU and receiving, from the RAN node, an RRC resume reject message comprising a wait timer value in response to the RRC resume request. The method further comprises starting a wait timer initialized with the wait timer value and sending the RNAU when the wait timer has expired. Corresponding embodiments of a wireless device are also disclosed. Embodiments of a wireless device and methods of operation thereof related to the behavior of the wireless device upon performing a cell reselection during resume are also disclosed.
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: July 9, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Gunnar Mildh, Icaro Leonardo J. da Silva
  • UPLINK SIGNALING FOR DUAL CONNECTIVITY
    Publication number: 20240214107
    Abstract: The disclosure relates to a method in a wireless device for transmitting an uplink signalling message in a wireless communication network. The wireless device is connected to a first network element over at least a first and a second wireless link. The method comprises determining a transmission mode among alternative transmission modes for transmitting the uplink signalling message. The alternative transmission modes comprise: transmitting on the first wireless link; transmitting on the second wireless link; and transmitting on both the first and the second wireless links. The method also comprises transmitting the uplink signalling message according to the determined transmission mode. The disclosure also relates to a corresponding method performed in the network element, and to the corresponding apparatus.
    Type: Application
    Filed: January 8, 2024
    Publication date: June 27, 2024
    Inventors: Jari Vikberg, Gunnar Mildh, Johan Rune, Icaro Leonardo J. Da Silva, Pontus Wallentin
  • Wireless device mobility between wireless communication networks
    Patent number: 12022338
    Abstract: A wireless device suspends a connection with a first access network and enters an inactive state. While the connection with the first access network is suspended and the wireless device is in the inactive state, the wireless device camps in a specific area of a second wireless communication network that is included in a notification area within which the wireless device is allowed to move without notifying either the second wireless communication network or a first wireless communication network that includes the first access network. Upon camping in the specific area, the wireless device starts a timer. Responsive to expiry of the timer, the wireless device switches from the inactive state to an idle state and/or transmits to the second access network signaling indicating that the wireless device is in the specific area or that the wireless device requests a connection to the second access network.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: June 25, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Patrik Rugeland, Icaro L. J. Da Silva, Gunnar Mildh
  • Network architecture, methods, and devices for a wireless communications network
    Patent number: 12021609
    Abstract: Methods and apparatus in a fifth-generation wireless communications, including an example method, in a wireless device, that includes receiving a downlink signal comprising an uplink access configuration index, using the uplink access configuration index to identify an uplink access configuration from among a predetermined plurality of uplink access configurations, and transmitting to the wireless communications network according to the identified uplink access configuration. The example method further includes, in the same wireless device, receiving, in a first subframe, a first Orthogonal Frequency-Division Multiplexing (OFDM) transmission formatted according to a first numerology and receiving, in a second subframe, a second OFDM transmission formatted according to a second numerology, the second numerology differing from the first numerology. Variants of this method, corresponding apparatuses, and corresponding network-side methods and apparatuses are also disclosed.
    Type: Grant
    Filed: January 5, 2023
    Date of Patent: June 25, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Stefan Parkvall, Janne Peisa, Gunnar Mildh, Robert Baldemair, Stefan Wager, Jonas Kronander, Karl Werner, Richard Abrahamsson, Ismet Aktas, Peter Alriksson, Junaid Ansari, Shehzad Ali Ashraf, Henrik Asplund, Fredrik Athley, Håkan Axelsson, Joakim Axmon, Johan Axnäs, Kumar Balachandran, Gunnar Bark, Jan-Erik Berg, Andreas Bergström, Håkan Björkegren, Nadia Brahmi, Cagatay Capar, Anders Carlsson, Andreas Cedergren, Mikael Coldrey, Icaro L. J. da Silva, Erik Dahlman, Ali El Essaili, Ulrika Engström, Mårten Ericson, Erik Eriksson, Mikael Fallgren, Rui Fan, Gabor Fodor, Pål Frenger, Jonas Fridén, Jonas Fröberg Olsson, Anders Furuskär, Johan Furuskog, Virgile Garcia, Ather Gattami, Fredrik Gunnarsson, Ulf Gustavsson, Bo Hagerman, Fredrik Harrysson, Ning He, Martin Hessler, Kimmo Hiltunen, Songnam Hong, Dennis Hui, Jörg Huschke, Tim Irnich, Sven Jacobsson, Niklas Jaldén, Simon Järmyr, Zhiyuan Jiang, Martin Johansson, Niklas Johansson, Du Ho Kang, Eleftherios Karipidis, Patrik Karlsson, Ali S. Khayrallah, Caner Kilinc, Göran N. Klang, Sara Landström, Christina Larsson, Gen Li, Lars Lindbom, Robert Lindgren, Bengt Lindoff, Fredrik Lindqvist, Jinhua Liu, Thorsten Lohmar, Qianxi Lu, Lars Manholm, Ivana Maric, Jonas Medbo, Qingyu Miao, Reza Moosavi, Walter Müller, Elena Myhre, Karl Norrman, Bengt-Erik Olsson, Torgny Palenius, Sven Petersson, Jose Luis Pradas, Mikael Prytz, Olav Queseth, Pradeepa Ramachandra, Edgar Ramos, Andres Reial, Thomas Rimhagen, Emil Ringh, Patrik Rugeland, Johan Rune, Joachim Sachs, Henrik Sahlin, Vidit Saxena, Nima Seifi, Yngve Selén, Eliane Semaan, Sachin Sharma, Cong Shi, Johan Sköld, Magnus Stattin, Anders Stjernman, Dennis Sundman, Lars Sundström, Miurel Isabel Tercero Vargas, Claes Tidestav, Sibel Tombaz, Johan Torsner, Hugo Tullberg, Jari Vikberg, Peter von Wrycza, Thomas Walldeen, Pontus Wallentin, Hai Wang, Ke Wang Helmersson, Jianfeng Wang, Yi-Pin Eric Wang, Niclas Wiberg, Emma Wittenmark, Osman Nuri Can Yilmaz, Ali Zaidi, Zhan Zhang, Zhang Zhang, Yanli Zheng
  • STORAGE OF UE CONTEXTS IN RAN FOR INACTIVE UES
    Publication number: 20240205667
    Abstract: Systems and methods are disclosed herein that relate to configuration of a periodic updating timer for, e.g., a Radio Access Network (RAN)—controlled inactive state. In some embodiments, a method of operation of a RAN node in a cellular communications network comprises configuring a User Equipment (UE) with a timer value T for a periodic updating timer. In this manner, the RAN node is able to configure the UE with a time value T, e.g., for use by the UE for providing periodic update messages while the UE is operating in an inactive state such as, e.g., a RAN-controlled inactive state.
    Type: Application
    Filed: March 4, 2024
    Publication date: June 20, 2024
    Inventors: Gunnar Mildh, Paul Schliwa-Bertling
  • Handling of Parameters Provided in Release / Suspend
    Publication number: 20240196470
    Abstract: New Radio (NR) RRC includes an RRC_INACTIVE state, which introduces ambiguities in the network's knowledge of UE behavior. A mechanism is introduced for handling parameters received when a UE enters RRC_INACTIVE or RRC_IDLE upon the UE attempting to resume an RRC connection and, as a response, receiving a Release or Suspend message. The timer associated to the mobilityControlInfo (equivalent to T320) is stopped and associated parameters discarded upon receiving RRC Release or Suspend. Information received in a Release or Suspend message is discarded upon receiving RRC Release or RRC Suspend.
    Type: Application
    Filed: February 9, 2024
    Publication date: June 13, 2024
    Inventors: Icaro L. J. Da Silva, Gunnar Mildh