Patents by Inventor Helka-Liina Määttänen

Helka-Liina Määttänen 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).

  • Patent number: 11979222
    Abstract: Systems and methods for adapting a timer(s) for a satellite-based radio access network 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 obtaining a value to be used to offset, extend, and/or scale one or more timers related to the satellite-based radio access network relative to values for non-satellite-based radio access networks. The method further comprises utilizing the value to offset a start of one or more timers, extend one or more timers, and/or scale one or more timers and performing one or more actions based on the one or more offset timers, the one or more extended timers, and/or the one or more scaled timers. Embodiments of a method performed by a base station and corresponding embodiments of a base station are also disclosed.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: May 7, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Jonas Sedin, Björn Hofström, Xingqin Lin, Helka-Liina Määttänen, Siva Muruganathan, Hazhir Shokri Razaghi, Zhenhua Zou
  • Publication number: 20240147381
    Abstract: There is provided a method in a wireless device. The method comprises: receiving a Media Access Control (MAC) Control Element (CE) from a network node, the MAC CE comprising a plurality of octets and a plurality of fields, wherein a first field of the plurality of fields is used to indicate a number of sets of power control parameters in a last octet of the received MAC CE, the sets of power control parameters being associated with a reference signal used for path loss estimation; and sending a transmission to a network node, based at least on a set of power control parameters associated with the reference signal.
    Type: Application
    Filed: November 28, 2023
    Publication date: May 2, 2024
    Inventors: Helka-Liina Määttänen, Mats Folke
  • Patent number: 11974248
    Abstract: A method of operating a wireless device may be provided. A wireless device may receive a release message from a network node of a radio access network. The release message may include an identification of a redirected carrier. In response to the release message omitting synchronization block related parameters for the redirected carrier, the wireless device may check in measurement information configured for the wireless device for the synchronization block related parameters for the redirected carrier; and may perform synchronization signal measurements for the redirected carrier using the synchronization block related parameters in the measurement information.
    Type: Grant
    Filed: February 27, 2023
    Date of Patent: April 30, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Pradeepa Ramachandra, Icaro L. J. Da Silva, Helka-Liina Määttänen, Henning Wiemann
  • Publication number: 20240129704
    Abstract: Embodiments include methods for a user equipment (UE) configured to receive public warning system (PWS) messages from a radio access network (RAN) comprising a plurality of cells. Such methods include receiving, via a first cell having a first ground coverage and a first aerial coverage, a PWS message having a relevant area within a second ground coverage of a second cell but not within the first ground coverage. Such methods include determining whether the PWS message is applicable to the UE based on a first indication of the relevant area, a second indication of relevant altitudes for the PWS message, a third indication of applicability of the PWS message to aerial UEs, and/or a type of signaling by which the PWS message is received. Other embodiments include complementary methods for RAN nodes and core network (CN) nodes, as well as UEs and network nodes configured to perform such methods.
    Type: Application
    Filed: June 9, 2022
    Publication date: April 18, 2024
    Inventors: Mattias Bergström, Helka-Liina Määttänen, Hieu Do
  • Publication number: 20240114474
    Abstract: A method (1000) performed by a wireless device (110) includes obtaining (1002) location information associated with the wireless device and/or ephemeris data for a plurality of satellite cells. The wireless device receives (1004) a measurement configuration to measure reference signals from one or more satellite cells of the plurality of satellite cells. The wireless device dynamically adapts (1006) the measurement configuration based on the location of the wireless device and/or the ephemeris data for the one or more satellite cells. Based on the adapted measurement configuration, the wireless device measures (1008) a reference signal from the one or more satellite cells.
    Type: Application
    Filed: January 24, 2022
    Publication date: April 4, 2024
    Inventors: Johan Rune, Helka-Liina Määttänen, Sebastian Euler, Emre Yavuz, Chao He
  • Publication number: 20240080843
    Abstract: Systems and methods of the present disclosure are directed to a method performed by a wireless communication device (WCD). The method includes receiving, from a Radio Access Network (RAN) node, a Medium Access Control (MAC) Control Element (CE) that includes information. The information indicates a plurality of activated Transmission Configuration Indicator (TCI) states for the WCD including at least one Downlink (DL) TCI state and at least one Uplink (UL) TCI state. The information maps each activated TCI state of the plurality of activated TCI states to one of a plurality of codepoints of a TCI field in a Downlink Control Information (DCI).
    Type: Application
    Filed: December 30, 2021
    Publication date: March 7, 2024
    Inventors: Siva Muruganathan, Helka-Liina Määttänen, Claes Tidestav, Shiwei Gao
  • Publication number: 20240080092
    Abstract: A method (1000) performed by a wireless device (110) includes obtaining (1002) location information associated with the wireless device and/or ephemeris data for one or more satellite cells. The wireless device receives (1004) a measurement configuration to measure reference signals from the one or more satellite cells. The measurement configuration includes at least one measurement window. The wireless device determines (1006) whether to select a measurement window for the one or more satellite cells based on the location information associated with the wireless device and/or ephemeris data of the one or more satellite cells.
    Type: Application
    Filed: January 24, 2022
    Publication date: March 7, 2024
    Inventors: Jonas Sedin, Johan Rune, Helka-Liina Määttänen, Xingqin Lin, Emre Yavuz
  • Publication number: 20240080161
    Abstract: According to certain embodiments, a method performed by a wireless device comprises receiving sounding reference signal (SRS) configuration information from a network node. The SRS configuration information indicates a configuration associated with one or more SRS resources. At least a portion of the SRS configuration information is received in one or more Medium Access Control-Control Element (MAC-CE) messages. The method further comprises configuring the one or more SRS resources based at least in part on the SRS configuration information.
    Type: Application
    Filed: January 18, 2022
    Publication date: March 7, 2024
    Inventors: Andreas Nilsson, Helka-Liina Määttänen, Mattias Frenne, Sven Jacobsson
  • Publication number: 20240080758
    Abstract: According to certain embodiments, a method is performed by a wireless device that does not support non-terrestrial network (NTN) communication. The method comprises receiving, from a network node, information configured to cause wireless devices that do not support NTN communication to avoid cell selection or re-selection to a candidate cell in the NTN. In response to receiving the information, the method comprises avoiding cell selection or re-selection to the candidate cell in the NTN.
    Type: Application
    Filed: January 14, 2022
    Publication date: March 7, 2024
    Inventors: Emre Yavuz, Helka-Liina Määttänen, Johan Rune
  • Publication number: 20240080748
    Abstract: A communication device in a communications network can determine information associated with a limited capability zone. The communication device can limit operation of the communication device based on the information and location of the communication device relative to the limited capability zone.
    Type: Application
    Filed: January 13, 2022
    Publication date: March 7, 2024
    Inventors: Mattias BERGSTRÖM, Helka-Liina MÄÄTTÄNEN, Antonino ORSINO
  • Publication number: 20240072982
    Abstract: A method, system and apparatus for separate implicit update of activated transmission configuration indicator (TCI) states for downlink (DL) and uplink (UL) are disclosed. According to one aspect, a method in a wireless device (WD) includes sending a measurement report for at least one reference signal to a network node, the at least one reference signal being related to at least one TCI state, the at least one TCI state being at least one of a DL TCI state and an UL TCI state. The method also includes activating at least one TCI state that is related to the at least one reference signal.
    Type: Application
    Filed: December 29, 2021
    Publication date: February 29, 2024
    Inventors: Claes TIDESTAV, Andreas NILSSON, Helka-Liina MÄÄTTÄNEN, Siva MURUGANATHAN
  • Publication number: 20240064598
    Abstract: Embodiments herein relate to, for example, a method performed by a UE (10) for handling communication in a wireless communication network. The UE (10) determines whether the UE (10) is flying or not; and checks one or more conditions related to a handover of the UE (10), wherein the one or more conditions are based on whether the UE (10) is determined to fly or not.
    Type: Application
    Filed: January 13, 2022
    Publication date: February 22, 2024
    Inventors: Mattias Bergström, Helka-Liina Määttänen, Antonino Orsino
  • Publication number: 20240064770
    Abstract: Systems and methods of the present disclosure are directed to a method performed by a wireless communication device (WCD). The method includes receiving, from a network node, downlink control information (DCI) that includes information that indicates Transmission Configuration Indicator (TCI) state(s) to be activated at the WCD. The TCI state(s) to be activated at the WCD include downlink TCI state(s), uplink TCI state(s), or both. The method includes updating a list of activated downlink TCI states at the WCD, a list of activated uplink TCI states at the WCD, or both the list of activated downlink TCI states and the list of activated uplink TCI states at the WCD based on the received DCI.
    Type: Application
    Filed: December 30, 2021
    Publication date: February 22, 2024
    Inventors: Claes Tidestav, Andreas Nilsson, Siva Muruganathan, Helka-Liina Määttänen
  • Patent number: 11903051
    Abstract: A method performed by a first network node (101) for enabling a second feeder link (132) to be established between a second network node (102) and an airborne or orbital communication node (110) in non-terrestrial communications network (100) to handle wireless devices (121) being served by the airborne or orbital communication node (110) is provided. The first network node (101) is handling the wireless devices (121) served by the airborne or orbital communication node (110) over a first feeder link (131) between the first network node (101) and the airborne or orbital communication node (110). The method comprises determining (701) that the wireless devices served by the airborne or orbital communication node (110) are to be handled by the second network node (102) over the second feeder link (132). Also, the method comprises initiating (702) the second feeder link (132) to be established between the second network node (102) and the airborne or orbital communication node (110).
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: February 13, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Gino Masini, Helka-Liina Määttänen, Martin Israelsson, Björn Hofström, Jonas Sedin, Sebastian Euler
  • Publication number: 20240049092
    Abstract: According to some embodiments, a method performed by a wireless device for cell selection or reselection in a non-terrestrial network (NTN) comprises determining whether to perform one or more cell selection or reselection measurements based on a cell selection or reselection criteria. The cell selection or reselection criteria is based on a signal quality of a serving cell and a relationship between the wireless device and a satellite or spot beam of the NTN. Upon determining that the cell selection or reselection criteria for performing measurements is satisfied, performing the one or more cell selection or reselection measurements.
    Type: Application
    Filed: April 1, 2022
    Publication date: February 8, 2024
    Inventors: Helka-Liina Määttänen, Sebastian Euler, Johan Rune, Emre Yavuz, Jonas Sedin
  • Publication number: 20240030987
    Abstract: Systems and methods are disclosed herein for enabling a User Equipment (UE) to perform cell quality derivation in a wireless communication network utilizing parameters from an appropriate measurement object. In some embodiments, a method of operation of a UE to perform cell quality derivation in a wireless communication network includes the UE receiving, via Radio Resource Control (RRC) signaling, a measurement configuration that includes a list of measurement objects. The UE receives a serving cell configuration including frequency information that specifies an absolute frequency of a Synchronization Signal block (SSB) corresponding to a serving cell. The UE selects a measurement object in the list of measurement objects that specifies an SSB frequency having a same value as the specified absolute frequency.
    Type: Application
    Filed: September 12, 2023
    Publication date: January 25, 2024
    Inventors: Icaro L. J. Da Silva, Pradeepa Ramachandra, Helka-Liina Määttänen
  • Publication number: 20240022972
    Abstract: A method including receiving handover information associated with an execution of a handover and performing at least one operation of the handover based on the handover information. The handover information includes at least one of: a time offset; information for generating a time offset; an absolute time for executing the handover or for accessing the target cell; a condition to be fulfilled before execution of the handover; information associated with ephemeris data of a satellite serving the target cell; information associated with an upcoming service link switch or feeder link switch; information associated with a timing advance; a physical random access channel resource; an indication to execute a preconfigured handover command; an identifier associated with a preconfigured handover command; an indication for disabling fallback to a source cell; and a parameter for determining a quality of the source cell for fallback to the source cell.
    Type: Application
    Filed: October 29, 2021
    Publication date: January 18, 2024
    Inventors: Emre Yavuz, Johan Rune, Helka-Liina Määttänen, Olof Liberg, Chao He, Talha Khan, Claes-Göran Persson
  • Publication number: 20240022984
    Abstract: A method by a wireless device includes receiving, from a network node, data associated with the airborne or spaceborne system. The data includes satellite ephemeris data and a validity duration for the ephemeris data.
    Type: Application
    Filed: October 20, 2021
    Publication date: January 18, 2024
    Inventors: Magnus Åström, Talha Khan, Xingqin Lin, Helka-Liina Määttänen
  • Publication number: 20240022925
    Abstract: A method, system and apparatus are disclosed for L1/L2—centric mobility—neighbor cell measurements. In one embodiment, a method implemented in a wireless device, WD, includes receiving a measurement configuration to perform at least one neighbor cell measurement, the measurement configuration indicating a first group of PCIs; performing the at least one neighbor cell measurement based on the measurement configuration, for the first group of PCIs; and triggering an event based on the at least one neighbor cell measurement for the first group of PCIs. In one embodiment, a method implemented in a network node includes transmitting a measurement configuration indicating a first group of PCIs; and receiving a report as a result of an event that is triggered based on the at least one neighbor cell measurement for the first group of PCIs.
    Type: Application
    Filed: October 22, 2021
    Publication date: January 18, 2024
    Inventors: Icaro Leonardo DA SILVA, Pradeepa RAMACHANDRA, Helka-Liina MÄÄTTÄNEN
  • Publication number: 20240019583
    Abstract: A method performed by a wireless device includes receiving ephemeris data from a network node associated with a first cell. The ephemeris data is associated with a satellite serving a second cell, and the ephemeris data is coarse ephemeris data comprising less than full accuracy than full ephemeris data. The wireless device uses the coarse ephemeris data to locate a beam associated with the second cell and synchronizes with the second cell.
    Type: Application
    Filed: October 29, 2021
    Publication date: January 18, 2024
    Inventor: Helka-Liina Määttänen