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).

  • User Equipment, Network Node and Methods in a Wireless Communications Network
    Publication number: 20200092771
    Abstract: Methods, User Equipment, UE, (120) and source network node (111) for resuming a Radio Resource Control, RRC, connection to a target cell in a wireless communications network (100). The UE generates a security token using a set of input parameters, and sends a resuming request with the security token to a target network node (112) serving the target cell. When receiving the resuming request, the source network node generates a security token using a set of input parameters in the same manner as the UE. If the received security token is successfully verified when compared with the generated security token, the source network node provides to the target network node a UE context of the UE, to enable the target network node to resume the RRC connection.
    Type: Application
    Filed: March 1, 2019
    Publication date: March 19, 2020
    Inventors: Oscar Ohlsson, Icaro L. J. da Silva, Gunnar Mildh, Magnus Stattin
  • Method and Apparatus for Detecting Delayed or Lost Control Signaling Messages
    Publication number: 20200092748
    Abstract: The present disclosure relates in general to cellular radio network communication. In one of its aspects, the technology presented herein concerns a method implemented in a receiver for detecting delayed or lost signaling messages. The signaling messages are receivable both over a Master Node, MN, and a Secondary Node, SN, and detecting delayed or lost signaling messages is based on sequence number. The method comprises detecting a gap in sequence numbers of received signaling messages.
    Type: Application
    Filed: April 20, 2018
    Publication date: March 19, 2020
    Inventors: Oumer Teyeb, Gunnar Mildh, Riikka Susitaival, Stefan Wager, Osman Nuri Can Yilmaz
  • Packet Forwarding in Integrated Access Backhaul (IAB) Networks
    Publication number: 20200084688
    Abstract: Exemplary embodiments include methods and/or procedures performed by a first intermediate node of a multi-hop, integrated access backhaul communication network. Embodiments include receiving a data packet destined for a target node of the communication network, the first intermediate node being configured to communicate with the target node via a second intermediate node of the network. Embodiments include determining an address for the data packet based on a mapping function associated with the target node, and forming a packet header, including the previously-determined address, for the data packet. Forming the packet header can include at least one of the following operations: excluding one or more higher-layer protocol headers related to the second intermediate node; and incorporating without modification a portion, associated with the target node, of an existing header of the data packet.
    Type: Application
    Filed: December 19, 2018
    Publication date: March 12, 2020
    Inventors: Gunnar Mildh, Per-Erik Eriksson, Oumer Teyeb
  • Control Signaling in a Wireless Communication System
    Publication number: 20200084634
    Abstract: A wireless communication device (16) is configured for use in a wireless communication system (10). The wireless communication device (16) is configured to receive control signaling (22) that indicates a certain wait time (24) for which the wireless communication device (16) is required to wait before sending a certain control message (20) to network equipment (18). A subset of possible wait times must be indicated by integrity-protected control signaling. The wireless communication device (16) may therefore also be configured to accept or reject the certain wait time (24) as being required before sending the certain control message (20), based on whether the received control signaling (22) was integrity protected and on whether the certain wait time (24) is included in the subset of possible wait times which must be indicated by integrity-protected control signaling.
    Type: Application
    Filed: June 19, 2018
    Publication date: March 12, 2020
    Inventors: Oscar Ohlsson, Icaro L. J. da Silva, Gunnar Mildh
  • Optimized PDCP Handling in Integrated Access Backhaul (IAB) Networks
    Publication number: 20200084618
    Abstract: Exemplary embodiments include methods and/or procedures for Packet Data Convergence Protocol, PDCP, processing performed in a network node of a multi-hop, integrated access backhaul, IAB, communication network. Exemplary methods can include receiving (610) a configuration that includes a first characteristic associated with at least one of the following: the node and data packets received by the network node. Exemplary methods can also include receiving (620) a data packet having one or more packet characteristics, and determining (630) if there is a match between the one or more packet characteristics and the first characteristic. Exemplary methods can also include enabling or disabling (640) a first PDCP processing operation on the data packet based on the result of the determination. Other exemplary embodiments include network nodes configured and/or arranged to perform operations corresponding to the exemplary methods and/or procedures.
    Type: Application
    Filed: December 12, 2018
    Publication date: March 12, 2020
    Inventors: Oumer Teyeb, Per-Erik Eriksson, Gunnar Mildh
  • Method for content synchronization when broadcasting data in a wireless network
    Patent number: 10582475
    Abstract: The present disclosure relates to base station and method for content synchronization when broadcasting data in a communications network. The base station comprises a receiver receiving data sequences and a transmitter for transmitting data sequences. Each data sequence has a data size and comprises a sequence number (SN). The base station further comprises a processing circuitry configured to add byte numbered sequence numbers to said data sequences passed between layers in a protocol stack for transmission to a transceiver station.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: March 3, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: András Rácz, Gunnar Mildh
  • Accessing a Wireless Communication Network with Reduced Signalling Overhead
    Publication number: 20200068484
    Abstract: One aspect of the disclosure provides a method in a wireless terminal device for use with a telecommunications network. The wireless terminal device is operable in a plurality of states, including a first state and a second state. The second state requires less signalling overhead with the telecommunications network than the first state.
    Type: Application
    Filed: November 28, 2017
    Publication date: February 27, 2020
    Inventors: Icaro L. J. da Silva, Gunnar Mildh, Johan Rune
  • Coordination of Simultaneous Multi-RAT Camping
    Publication number: 20200059883
    Abstract: The present invention relates to the coordination of simultaneous multi-RAT camping in a wireless communication network that provides radio access for a terminal device via at least a first and second wireless radio access operating with different radio access technologies.
    Type: Application
    Filed: October 28, 2019
    Publication date: February 20, 2020
    Inventors: Johan Rune, Icaro L. J. Da Silva, Gunnar Mildh, Jose Luis Pradas
  • HANDLING OF INACTIVE PARAMETERS UPON RELEASE AND RE-SUSPEND
    Publication number: 20200053823
    Abstract: Systems and methods are disclosed herein for updating stored User Equipment (UE) context information upon re-suspend of the UE in response to a resume request from the UE. In some embodiments, a method in a UE comprises transmitting a Radio Resource Control (RRC) resume request message and, in response to the RRC resume request message, receiving an RRC connection release message with an indication for suspend. The method further comprises, in response to receiving the RRC connection release message with an indication for suspend, replacing information in a stored Access Stratum (AS) context of the UE with new information.
    Type: Application
    Filed: October 18, 2019
    Publication date: February 13, 2020
    Inventors: Gunnar Mildh, Icaro L. J. da Silva
  • Method and a First Node for Managing Modes of Operation of a Service
    Publication number: 20200044951
    Abstract: A first node (110) and a method therein for managing modes of operation of a service, referred to as “service modes” are disclosed. The service is executed in the first node (110). The service is capable of communicating with a second node (120) over a wireless network (100). The first node (110) receives an estimated level of a connectivity for the service from the wireless network (100). The estimated level of the connectivity relates to likelihood of maintaining the connectivity to the second node (120). The first node (110) selects one of the service modes based on the estimated level of the connectivity. Moreover, corresponding computer programs and computer program products are disclosed.
    Type: Application
    Filed: October 11, 2019
    Publication date: February 6, 2020
    Inventors: Erik Dahlman, Magnus Frodigh, Mikael Hook, Harald Kallin, Gunnar Mildh, Joachim Sachs
  • Security handling for RRC resume from inactive state
    Patent number: 10555168
    Abstract: Methods are provided for a User Equipment, UE, in NR RRC to revert back to an old security context if an RRC Resume procedure from an inactive state fails. In this way, any subsequent Resume attempts by the UE will derive new security keys from the old keys, which means that the keys and security context will be the same for each attempt. In this way, the security context in the UE will remain synchronized with the network security context, regardless of how many attempts the UE has performed (assuming the network does not change the security context when the Resume procedure fails). Alternatively, the UE may store the new security context it derives during the first Resume attempt, and then ensure that it is reused at subsequent Resume attempts.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: February 4, 2020
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Gunnar Mildh, Icaro L. J. da Silva
  • RADIO RESOURCE CONTROL RESUME WTHOUT CONTEX FETCH
    Publication number: 20200037210
    Abstract: According to certain embodiments, a target network node for communicating with a user equipment (UE) that was previously in communication with a source network node, comprises an interface operably coupled to processing circuitry. The interface is configured to receive a connection resume request from the user equipment, wherein the connection resume request comprises a resume identification associated with the source network node. The processing circuitry is configured to determine that the UE was previously in communication with the source network node. The interface is further configured to transmit the connection resume request to the source network node, receive a radio resource control (RRC) response from the source network node, and forward the RRC response to the UE.
    Type: Application
    Filed: December 27, 2017
    Publication date: January 30, 2020
    Inventors: Patrik RUGELAND, Icaro L. J. DA SILVA, Gunnar MILDH
  • Network node, a wireless device and methods therein for handling radio access network (RAN) context information in a wireless communications network
    Patent number: 10548002
    Abstract: Embodiments herein relate to a network node for handling a Radio Access Network, (RAN) context information of a wireless device in a cell served by the network node in a wireless communications network. The network node stores the RAN context information of the wireless device when the wireless device is no longer in a connected state in the cell. When the wireless device has returned to a connected state in the cell, the network node receives information indicating a RAN context information from the wireless device. Also, the network node transmits, to the wireless device, information indicating that the wireless device is to use the indicated RAN context information in the cell when the indicated RAN context information is such that it can be reused with the RAN context information of the wireless device previously stored by the network node. Embodiments of the network node are also described.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: January 28, 2020
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Gunnar Mildh, Jari Vikberg, Johan Rune, Icaro Leonardo J. Da Silva, Pontus Wallentin
  • Multi-cell registered radio connection in cellular network
    Patent number: 10548057
    Abstract: A radio device configures a radio connection between the radio device and a cellular network. The radio connection is registered for a cell area comprising at least a first cell and a second cell of the cellular network. Before a decision of the radio device to perform a change from the first cell to the second cell, the radio device determines a configuration which enables performing allocation of radio resources to the radio device via a control channel of the second cell. After the change of the radio device from the first cell to the second cell, the radio device resumes transmission on the radio connection by requesting allocation of radio resources of second cell based on the determined configuration.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: January 28, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Johan Rune, Gunnar Mildh
  • Method and Apparatus for Paging a User Equipment in an Area Spanning Across a Plurality of Radio Access Technologies
    Publication number: 20200029304
    Abstract: A method in a radio access network, RAN, node for paging user equipment in an area spanning across a plurality of radio access technologies, RATs, comprises determining the capabilities of a user equipment to which a paging message is intended, and transmitting the paging message to the UE via one or more RATs which the UE is determined as being capable of communicating with.
    Type: Application
    Filed: March 20, 2018
    Publication date: January 23, 2020
    Inventors: Angelo Centonza, Gunnar Mildh, Paul Schliwa-Bertling
  • Network Architecture, Methods, and Devices for a Wireless Communications Network
    Publication number: 20200028745
    Abstract: Methods and apparatus in a fifth-generation wireless communications network, including an example method, in a wireless device, that includes determining a reporting quality threshold for a parameter related to channel state information (CSI); performing a measurement for each of a plurality of beams from a first predetermined set of beams for evaluation; evaluating the measurement for each of the plurality of beams against the reporting quality threshold; discontinuing the performing and evaluating of measurements in response to determining that the reporting quality threshold is met for one of the beams, such that one or more beams in the first predetermined set of beams are not measured and evaluated; and reporting, to the wireless communications network, CSI for the one of the beams.
    Type: Application
    Filed: May 16, 2019
    Publication date: January 23, 2020
    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, Bo Lincoln, 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, Johan Nilsson, 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, Anders Wallén, 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
  • METHOD FOR CONTENT SYNCHRONIZATION WHEN BROADCASTING DATA IN A WIRELESS NETWORK
    Publication number: 20200022110
    Abstract: The present disclosure relates to base station and method for content synchronization when broadcasting data in a communications network. The base station comprises a receiver receiving data sequences and a transmitter for transmitting data sequences. Each data sequence has a data size and comprises a sequence number (SN). The base station further comprises a processing circuitry configured to add byte numbered sequence numbers to said data sequences passed between layers in a protocol stack for transmission to a transceiver station.
    Type: Application
    Filed: May 12, 2017
    Publication date: January 16, 2020
    Inventors: András Rácz, Gunnar Mildh
  • METHOD AND ARRANGEMENT IN A TELECOMMUNICATION SYSTEM
    Publication number: 20200008053
    Abstract: A method in a User Equipment (UE) of an Evolved Packet System (EPS) establishes a security key (K_eNB) for protecting Radio Resource Control/User Plane (RRC/UP) traffic exchanged with a serving eNodeB. The method comprises sending a Non-Access Stratum (NAS) Service Request to a Mobility Management Entity (MME), the request indicating a NAS uplink sequence number (NAS_U_SEQ). The method further comprises receiving an indication of the NAS_U_SEQ of the NAS Service Request sent to the MME, back from the MME via the eNodeB. The method further comprises deriving the K_eNB from at least the received indication of the NAS_U_SEQ and from a stored Access Security Management Entity-key (K_ASME) shared with said MME.
    Type: Application
    Filed: September 10, 2019
    Publication date: January 2, 2020
    Inventors: Rolf Blom, Gunnar Mildh, Karl Norrman
  • KEY CHANGE PROCEDURE
    Publication number: 20190394642
    Abstract: There is provided mechanisms for configuring use of keys for security protecting packets communicated between a wireless device and a network node. A method is performed by the wireless device. The method comprises exchanging key use information with the network node in conjunction with performing a key change procedure with the network node during which a first key is replaced with a second key. The key use information indicates which of the packets are security protected using which of the first key and the second key.
    Type: Application
    Filed: December 8, 2017
    Publication date: December 26, 2019
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Prajwol Kumar NAKARMI, Noamen BEN HENDA, Gunnar MILDH, Monica WIFVESSON
  • QoS Flows Inactivity Counters
    Publication number: 20190394830
    Abstract: A technique for a device (100) to manage a data flow (608; 618) in a wireless communication system is described. As to a method aspect of the technique, a time period for which the data flow (608; 618) has been inactive is obtained. The data flow (608; 618) is defined by a Quality of Service, QoS, requirement of data associated with the data flow (608; 618). Based on the time period, it is determined to release a mapping between the data flow (608; 618) and a radio bearer (610).
    Type: Application
    Filed: March 23, 2018
    Publication date: December 26, 2019
    Inventors: Gunnar Mildh, Matteo Fiorani, Paul Schliwa-Bertling