Patents by Inventor Helka-Liina MAATTANEN

Helka-Liina MAATTANEN 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: 20230291441
    Abstract: Methods for reporting Channel State Information (CSI) from a wireless device to a radio network node are provided. More specifically, the wireless device receives an indication indicating a subset of Frequency Domain (FD) basis vectors among a full set of FD basis vectors from the radio network node. Accordingly, the wireless device computes a CSI corresponding to an enhanced type II port selection codebook using the indicated subset of FD basis vectors and report the CSI to the radio network node. The methods disclosed herein make it possible to reduce complexity and signaling overheat for reporting CSI based on the selected subset of FD basis vectors.
    Type: Application
    Filed: July 9, 2021
    Publication date: September 14, 2023
    Inventors: Siva Muruganathan, Fredrik Athley, Mattias Frenne, Shiwei Gao, Helka-Liina Määttänen, Xinlin Zhang
  • Publication number: 20230292250
    Abstract: Systems and methods for activating or updating power control parameters are provided. In some embodiments, a method performed by a wireless communication device comprises a method performed by a wireless communication device comprises receiving an indication of activated Transmission Configuration Indicator (TCI) states for physical uplink channels or uplink reference signals via a first Medium Access Control (MAC) Control Element (CE) message; receiving one or more power control parameter lists each comprising a plurality of elements; obtaining power control state information via a second MAC CE message that maps a power control state. The power control state information comprises indications each indicating a particular element from among the plurality of elements in one of the one or more power control parameter lists; and transmitting each of the physical uplink channels or uplink reference signals according to the active TCI states and the respective power control state information.
    Type: Application
    Filed: August 4, 2021
    Publication date: September 14, 2023
    Inventors: Helka-Liina Määttänen, Shiwei Gao, Siva Muruganathan, Andreas Nilsson
  • Patent number: 11758500
    Abstract: Exemplary embodiments include methods performed by a network node of a radio access network (RAN). Such embodiments can include establishing a connection with a user equipment (UE) in a cell served by the network node, and determining that the UE is engaged in unauthorized aerial operation. Unauthorized operation can include various UE operational conditions. Such embodiments can also include, based on determining the unauthorized aerial operation, performing at least one of the following operations: restricting the performance of the connection; and sending the UE a message comprising an indication that the connection will be released, and one or more conditions that the UE must meet before attempting to reestablish the connection. Embodiments also include complementary methods performed by one or more core network nodes and/or functions, as well as various network nodes and/or functions that are configured to perform various disclosed methods.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: September 12, 2023
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Zhenhua Zou, Mattias Bergström, Xingqin Lin, Helka-Liina Määttanen, Henrik Rydén, Magnus Stattin
  • Publication number: 20230284060
    Abstract: A method performed by a wireless device for a Synchronization Signal Block Measurement Time Configuration (SMTC) window and measurement gap configuration includes receiving at least one configuration parameter for the SMTC window and/or a measurement gap from a network. The wireless device performs an adjustment of the SMTC window and/or the measurement gap based on the at least one configuration parameter and transmits the adjustment to the network. The wireless device measures at least one synchronization signal based on the adjustment to the SMTC window and/or the measurement gap.
    Type: Application
    Filed: August 6, 2021
    Publication date: September 7, 2023
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Sebastian EULER, Xingqin LIN, Johan RUNE, Talha KHAN, Olof LIBERG, Helka-Liina MÄÄTTANEN
  • Publication number: 20230284169
    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: Application
    Filed: February 27, 2023
    Publication date: September 7, 2023
    Inventors: Pradeepa Ramachandra, Icaro L.J. Da Silva, Helka-Liina Määttänen, Henning Wiemann
  • Publication number: 20230283412
    Abstract: A method of receipt status reporting in a communication device, comprising configuring (S1) said communication device for periodic receipt status reporting by associating a first status report type with a value of a first reporting periodicity parameter and associating a second status report type with a value of second reporting periodicity parameter, said first status report type being different from said second status report type and said first reporting periodicity parameter being different from said second reporting periodicity parameter, and periodically (S2) sending receipt status reports of said first type according to said associated value of said first reporting periodicity parameter and receipt status reports of said second type according to said associated value of said second reporting periodicity parameter.
    Type: Application
    Filed: February 1, 2023
    Publication date: September 7, 2023
    Inventors: Torsten Dudda, Mattias Bergström, Helka-Liina Määttanen
  • Patent number: 11751075
    Abstract: Configuration of measurement requirements on cells and beams in NR is made more efficient by, in a user equipment, UE, receiving, information from a network node, which information indicates: a first number K of beams to be measured by the UE, and a second number L of cells in which the UE is required to measure the first number K of beams. The UE then carries out measurements using the received information; and performs at least one operational task based on a result of the measurements.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: September 5, 2023
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Muhammad Kazmi, Iana Siomina, Icaro Leonardo Jeronimo Da Silva, Christopher Callender, Helka-Liina Määttanen
  • Publication number: 20230261720
    Abstract: A method for random access for beam failure recovery. In the method, a random access configuration for the beam failure recovery is received. In the event of a beam failure, a random access procedure is performed according to the random access configuration.
    Type: Application
    Filed: April 20, 2023
    Publication date: August 17, 2023
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Rui FAN, Icaro L. J. DA SILVA, Helka-Liina MÄÄTTANEN
  • Publication number: 20230262590
    Abstract: According to some embodiments, a method performed by a wireless device for non-terrestrial network (NTN) connection control comprises receiving a message comprising parameters from which the wireless device is informed that it is to disconnect from a terrestrial network (TN) and connect to one of one or more NTNs or disconnect from a NTN and connect to one of one or more TNs. Upon the parameters informing the wireless device to connect to one of one or more NTNs, the method further comprises: disconnecting from the TN; based at least in part on the one or more parameters, selecting one of the detected at least one of the one or more NTNs; and connecting to the selected NTN. Upon the parameters informing the wireless device to connect to one of one or more TNs: the method further comprises disconnecting from the NTN, and detecting, selecting, and connecting to the TN.
    Type: Application
    Filed: June 11, 2021
    Publication date: August 17, 2023
    Inventors: Helka-Liina Määttänen, Emre Yavuz, Sebastian Euler, Jonan Rune
  • Publication number: 20230262608
    Abstract: Systems and methods for enabling power control of multiple Transmission Reception Points (TRPs) are provided. In some embodiments, the wireless device performs at least one of: receiving in a Downlink Control Information (DCI) a first Transmit Power Control (TPC) command and a second TPC command and an indication of a first transmission of the physical channel to a first TRP associated with a first closed-loop and a second transmission of the physical channel to a second TRP associated with a second closed-loop; determining a first and a second transmit power based on the first and the second TPC commands, respectively; and applying the first and the second transmit power to the first UL transmission and the second UL transmission, respectively. In this way, some embodiments herein enable more accurate per TRP power control with a simple signaling for multiple UL transmissions towards different TRPs scheduled by a single DCI.
    Type: Application
    Filed: June 25, 2021
    Publication date: August 17, 2023
    Inventors: Shiwei Gao, Mattias Frenne, Helka-Liina Määttänen, Siva Muruganathan, Jianwei Zhang
  • Patent number: 11729673
    Abstract: According to some embodiments, a method for use in a user equipment of performing cell reselection to a cell providing multimedia broadcast multicast service (MBMS) comprises: receiving a system information message comprising an indication of whether one or more carrier frequencies support MBMS carrier type or further enhanced MBMS (FeMBMS) carrier type; selecting, based on a capability of the user equipment and the carrier type of the one or more carrier frequencies, a carrier frequency for cell reselection; and camping on the selected carrier frequency. In particular embodiments, the system information message further comprises, for each of the one or more carrier frequencies, an indication of a percentage (e.g., 100%, 80%, etc.) of available multicast broadcast single frequency network (MBSFN) subframes in each radio frame.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: August 15, 2023
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Karin Hedén, Jens Bergqvist, Helka-Liina Määttanen
  • Patent number: 11716640
    Abstract: Embodiments include methods performed by a second network node in a wireless communications network that includes a first network node, the second network node, and a third network node. Such methods include receiving, from the first network node, a configuration comprising a pattern indicative of whether or not each of a plurality of Synchronization Signal Block (SSB) transmissions, that are configured based on a nominal timing, are actually transmitted by the third network node according to the nominal timing. Such methods include, based on the received configuration, managing transmission and/or reception configurations for one or more of the following: one or more cells served by the second network node; and one or more UEs served by the second network node via the one or more cells. Other embodiments include second network nodes configured to perform such methods.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: August 1, 2023
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Iana Siomina, Icaro L. J. Da Silva, Helka-Liina Määttänen
  • Publication number: 20230239806
    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: April 12, 2021
    Publication date: July 27, 2023
    Inventors: Helka-Liina Määttänen, Mats Folke
  • Publication number: 20230224923
    Abstract: Systems and methods are disclosed herein for activation of two or more Transmission Configuration Indication (TCL) states for a Physical Downlink Control Channel (PDCCH) in one or more Control Resource Sets (CORESETs) in a cellular communications system. In one embodiment, a method performed by a wireless communication device for activation of multiple TCI states for a PDCCH in one or more CORESETs in a cellular communications system comprises receiving, from a network node, signaling that activates NTCI TCI states for one or more CORESETs, wherein NTCI>1. In this manner, activation of two or more TCI states for PDCCH in one or more CORESETs is enabled.
    Type: Application
    Filed: June 11, 2021
    Publication date: July 13, 2023
    Inventors: Helka-Liina Määttänen, Shiwei Gao, Siva Muruganathan
  • Publication number: 20230216626
    Abstract: Systems and methods to support Physical Uplink Shared Channel (PUSCH) multi-Transmission/Reception Point (TRP) scheduling are provided. In some embodiments, the wireless device performs one or more of: obtaining a configuration for Transmission Configuration Indicator (TCI) states for Uplink (UL) PUSCH scheduling; activating/deactivating a subset of configured TCI states). If two TCI states are indicated, the wireless device transmits two different PUSCHs each corresponding to one of the indicated TCI states. If one TCI state is indicated, the wireless device transmits a single PUSCH corresponding to the indicated TCI state. The wireless device maps indicated TCI states to the transmission occasions or actual repetitions is preconfigured via higher layer parameter(s) or is given by a predefined rule.
    Type: Application
    Filed: April 1, 2021
    Publication date: July 6, 2023
    Inventors: Siva Muruganathan, Mattias Frenne, Shiwei Gao, Helka-Liina Määttänen, Jianwei Zhang
  • Patent number: 11696194
    Abstract: A method is performed by a wireless device in a network. The wireless device detects a triggering event related to a procedure for a handover from a source network node to a target network node in which the wireless device relies on downlink beam selection. The wireless device determines measurement information to include in a message to send to the target network node. The measurement information is obtained by measuring one or more beams according to at least one of a radio link management configuration, a beam management configuration, and a measurement configuration. In response to detecting the triggering event, the determined measurement information in the message is sent to the target network node.
    Type: Grant
    Filed: August 2, 2022
    Date of Patent: July 4, 2023
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Icaro L. J. da Silva, Helka-Liina Määttanen, Pradeepa Ramachandra
  • Publication number: 20230199793
    Abstract: Systems and methods for updating an active Transmission Configuration Indicator (TCI) state for multi-Physical Downlink Control Channel (PDCCH) based Multi-Transmission Reception Point (TRP) are provided. In some embodiments, a method performed by a wireless device for receiving one or more, TCI states includes: receiving a TCI state for at least one Control Resource Set (CORESET) using a control message comprising seven or more bits of TCI State ID field. In this way, the control message can be used to receive additional TCI states. In some embodiments, this allows the physical cell ID to be added to the TCI state.
    Type: Application
    Filed: October 12, 2020
    Publication date: June 22, 2023
    Inventors: Siva Muruganathan, Sebastian Faxér, Helka-Liina Määttänen
  • Publication number: 20230198842
    Abstract: A method by a wireless device is provided for optimized reconfiguration of radio link monitoring (RLM) and beam monitoring. The method includes receiving, from a first network node, a first message comprising at least one RLM parameter. A second message indicating activation of the at least one RLM parameter associated with the first message is received. The second message is a lower layer signal compared to the first message.
    Type: Application
    Filed: February 13, 2023
    Publication date: June 22, 2023
    Inventors: Icaro L. J. DA SILVA, Helka-Liina MAATTANEN, Claes TIDESTAV
  • Patent number: 11683708
    Abstract: The invention refers to a method in a user equipment, UE, for a measurement gap pattern configuration including receiving a configuration information indicative of a measurement gap pattern configuration, and a bandwidth part, BW, configuration, determining an association between measurement gap patterns and BW parts, receiving a message to change the active BW part to one of the configured BW parts, and changing the measurement gap pattern as a function of the corresponding BW part and the association; the invention further refers to a corresponding method in a network node; to corresponding UE, a corresponding network node, and computer programs.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: June 20, 2023
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Christopher Callender, Icaro L. J. Da Silva, Rui Fan, Muhammad Kazmi, Helka-Liina Määttanen, Iana Siomina, Henning Wiemann
  • Publication number: 20230180306
    Abstract: Systems and methods are disclosed for random access in a wireless communication system such as, e.g., a wireless communication system having a non-terrestrial (e.g., satellite-based) radio access network. 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 for random access comprises performing an open-loop timing advance estimation procedure to thereby determine an open-loop timing advance estimate for an uplink between the wireless device and a base station. The method further comprises transmitting a random access preamble using the open-loop timing advance estimate. In this manner, random access can be performed even in the presence of a long propagation delay such as that present in a satellite-based radio access network. Embodiments of a method performed by a base station and corresponding embodiments of a base station are also disclosed.
    Type: Application
    Filed: June 13, 2022
    Publication date: June 8, 2023
    Inventors: Xingqin Lin, Shiwei Gao, Helka-Liina Määttänen, Siva Muruganathan, Jonas Sedin, Hazhir Shokri Razaghi, Zhenhua Zou