Patents by Inventor Helka-Liina MÄÄTTANEN

Helka-Liina MÄÄTTANEN 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: 10555356
    Abstract: In one aspect, there is provided a method of operating a first network node in a first communication network that operates according to a first radio access technology, RAT, the method comprising sending (1001) a request message (501; 601; 703; 801; 901) from the first network node to a second network node in a second communication network that operates according to a second RAT to initiate, modify and/or stop aggregation of user traffic for a terminal device via the first network node and the second network node; wherein the first RAT is different to the second RAT.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: February 4, 2020
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Torsten Dudda, Mattias Bergström, Helka-Liina Määttanen, Gino Masini
  • Publication number: 20200037363
    Abstract: Certain embodiments disclose a method in a network node. The method broadcasts a location of a time and/or frequency resource of a first Physical Random Access Channel (PRACH). The first PRACH has a static location. The method determines a location of a time and/or frequency resource for a second PRACH. The location of the second PRACH is determined dynamically. The method communicates downlink control information to a wireless device. The downlink control information indicates the location of the second PRACH. The method receives a random access attempt from the wireless device. The random access attempt is received via the first PRACH or the second PRACH. The method communicates a random access response to the wireless device.
    Type: Application
    Filed: September 2, 2016
    Publication date: January 30, 2020
    Inventors: Tuomas Tirronen, Osman Nuri Can Yilmaz, Helka-Liina Määttanen, Henrik Sahlin
  • Patent number: 10542567
    Abstract: Certain embodiments disclose a method in a wireless device. The wireless device receives a location of a time and/or frequency resource of a first Physical Random Access Channel (PRACH) from a network node. The wireless device receives a location of a time and/or frequency resource of a second PRACH. Furthermore, the wireless device transmits a first random access attempt via the first PRACH and transmits a second random access attempt via the second PRACH. The first PRACH and the second PRACH each have an associated preamble, and wherein the second PRACH preamble has a different length than the first PRACH preamble.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: January 21, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Tuomas Tirronen, Osman Nuri Can Yilmaz, Helka-Liina Määttanen, Henrik Sahlin
  • Patent number: 10517132
    Abstract: According to an exemplary embodiment, there is provided a method of operating a terminal device, the terminal device being configured to communicate with a first network operating according to a first radio access technology, RAT, and network nodes operating according to a second RAT, wherein the terminal device has a mobility set comprising identifiers for one or more network nodes operating according to the second RAT that can be used for access network selection, traffic steering and/or traffic aggregation, the method comprising on occurrence of a failure condition with respect to a connection to one or more network nodes operating according to the second RAT having an identifier in the mobility set, sending a failure indication message to the first network to signal the occurrence of the failure condition to the first network.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: December 24, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Mattias Tan Bergström, Torsten Dudda, Helka-Liina Määttanen
  • Patent number: 10516506
    Abstract: In one aspect, a wireless device receives a first data transmission from a base station in a first subframe interval and transmits HARQ feedback and/or CSI to the base station in a subsequent subframe interval, within a duration that is less than a maximum transmission duration that is possible within the subsequent subframe interval. In another aspect, a base station transmits a first data transmission to a wireless device in a first subframe interval and receives HARQ feedback and/or CSI from the wireless device in a subsequent subframe interval, within a duration that is less than a maximum transmission duration that is possible within the subsequent subframe interval.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: December 24, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Helka-Liina Määttanen, Mattias Andersson, Stefan Parkvall, Per Synnergren, Stefan Wager, Hanzhi Zhang
  • Publication number: 20190280819
    Abstract: A transmitting radio node (12) is configured for transmitting packets in a wireless communication system (10). The transmitting radio node (12) in particular is configured to transmit packets to a receiving radio node (16) as scheduled by the receiving radio node (16) over one or more of multiple different types of radio links (18, 20) between which transmission of the packets is configured to be split or switched. The transmitting radio node (12) is also configured to receive from the receiving radio node (16) a retransmission link indication (40) that indicates over which of the multiple different types of radio links (18, 20) packet retransmission is to be performed. The transmitting radio node (12) is further configured to perform packet retransmission based on the retransmission link indication (40).
    Type: Application
    Filed: May 12, 2017
    Publication date: September 12, 2019
    Inventors: Helka-Liina Määttanen, Torsten Dudda, Christofer Lindheimer
  • Publication number: 20190280756
    Abstract: A method for random access for beam failure recovery. In the method, specific 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 specific random access configuration.
    Type: Application
    Filed: August 17, 2018
    Publication date: September 12, 2019
    Inventors: Rui FAN, Icaro L. J. DA SILVA, Helka-Liina MÄÄTTANEN, Claes TIDESTAV
  • Patent number: 10361821
    Abstract: In one aspect, a wireless device receives a first data transmission from a base station during a predetermined subframe interval and within a duration that is less than a maximum data transmission duration that is possible within the predetermined subframe interval, and determines a transmission time for transmitting HARQ feedback to the base station such that the determined transmission time depends on which subset of symbols within the predetermined subframe interval was used for the first data transmission. The wireless device transmits HARQ feedback for the first data transmission at the determined transmission time. In another aspect, a base station transmits the first data transmission and determines a reception time for receiving HARQ feedback such that the determined transmission time depends on which subset of symbols within the predetermined subframe interval was used. The base station receives HARQ feedback for the first data transmission at the determined transmission time.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: July 23, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: David Astely, Mattias Andersson, Niklas Andgart, Johan Bergman, Helka-Liina Määttanen, Stefan Parkvall
  • Publication number: 20190200250
    Abstract: Method performed by a wireless device (130) operating in a wireless communications network (100) wherein a plurality of beams (121) is transmitted by one or more network nodes (111, 113, 114) in the wireless communications network (100). The wireless device (130) generates (602) a log over a period of time. The log comprises: a) information about a first set of beams (122) in the plurality of beams (121) detected by the wireless device (130), and b) a time of detection. The log comprises the information and the time of detection for both of: i) a first set of time periods when the wireless device (130) was in a connected state in the wireless communications network (100), and ii) a second set of time periods when the wireless device (130) lacked a connection in the wireless communications network (100). The wireless device (130) sends (605) the generated log to a first network node (111).
    Type: Application
    Filed: December 22, 2017
    Publication date: June 27, 2019
    Inventors: Stefan Engström, Icaro L. J. da Silva, Fredrik Gunnarsson, Helka-Liina Määttanen, Pradeepa Ramachandra
  • Publication number: 20190173634
    Abstract: According to certain embodiments, disclosed is a method performed by a master node, MN, (160A) for measurement gap configuration. The method may include operating in a dual connectivity, DC, configuration with a secondary node, SN, (160B) and a wireless device (110). The method may further include configuring the wireless device (110) with a measurement gap configuration, wherein the measurement gap configuration allows the wireless device (110) to measure a first frequency range, FR1, and a second frequency range, FR2.
    Type: Application
    Filed: January 23, 2019
    Publication date: June 6, 2019
    Inventors: Oumer Teyeb, Icaro L. J. da Silva, Rui Fan, Helka-Liina Määttanen
  • Publication number: 20190141557
    Abstract: A wireless device is configured to perform measurements for radio resource management (RRM) and/or radio link monitoring (RLM). The wireless device performs a plurality of radio measurements. The wireless device filters at least a first subset of the radio measurements using a first filtering configuration and filters at least a second subset of the radio measurements using a second filtering configuration, where the second filtering configuration differs from the first filtering configuration. The first and second filtering configurations apply to first and second different types of reference signals, respectively, or to beam-level measurements and cell-level measurements, respectively.
    Type: Application
    Filed: December 28, 2018
    Publication date: May 9, 2019
    Inventors: Icaro L. J. da Silva, Muhammad Kazmi, Helka-Liina Määttanen, Iana Siomina
  • Publication number: 20190124697
    Abstract: Certain embodiments disclose a method in a wireless device. The wireless device receives a location of a time and/or frequency resource of a first Physical Random Access Channel (PRACH) from a network node. The wireless device receives a location of a time and/or frequency resource of a second PRACH. Furthermore, the wireless device transmits a first random access attempt via the first PRACH and transmits a second random access attempt via the second PRACH. The first PRACH and the second PRACH each have an associated preamble, and wherein the second PRACH preamble has a different length than the first PRACH preamble.
    Type: Application
    Filed: December 17, 2018
    Publication date: April 25, 2019
    Inventors: Tuomas Tirronen, Osman Nuri Can Yilmaz, Helka-Liina Määttanen, Henrik Sahlin
  • Patent number: 10251100
    Abstract: A method performed by a source network node for handover of a wireless communication device in a first wireless communications network using a first RAT is provided. The handover is to be performed from the source network node to a target network node. The wireless communication device is configured to communicate with the source network node directly and to communicate with the source network node via a radio access node in a second wireless communications network using a second RAT. The source network node provides (401) the target network node with information about parameters relating to a communication between the wireless communication device and the source network node via the radio access node. The source network node receives (402) a feedback from the target network node. The feedback comprises an indication of whether or not the radio access node was able to keep a context of the wireless communication device in the second wireless communications network.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: April 2, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Gino Masini, Markus Drevö, Torsten Dudda, Vesa Lehtovirta, Helka-Liina Määttanen, Alexander Vesely
  • Patent number: 10243706
    Abstract: The invention relates to a wireless device, network nodes and methods therein for handling interference. A method in a wireless device comprises receiving an Instant Uplink Access, IUA, grant from the first network node, which indicates at least a periodicity of a semi-persistent scheduling. The method further comprises, when having information to be transmitted in the UL to the first network node: determining whether being scheduled for UL transmission by the second network node in a resource associated with the IUA grant or not. The method further comprises: when not being scheduled: transmitting UL information to the first network node in the resource associated with IUA; and, when being scheduled: refraining from transmitting the UL information to the first network node in the resource associated with IUA.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: March 26, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Antti Ratilainen, Helka-Liina Määttanen, Vesa Virkki, Stefan Wager
  • Publication number: 20190090118
    Abstract: According to a first exemplary embodiment of the invention, a method provides update indication information from a radio network node to one or more wireless devices unreachable via a paging channel or a machine-type communication, MTC, control channel. The method comprises generating an update signal comprising a Downlink Control Information, DCI, message by including the update indication information in the update signal, the update indication information comprising at least one indication unrelated to paging the one or more wireless devices, and transmitting the update signal to the one or more wireless devices via a Physical Downlink Control Channel, PDCCH, when the one or more wireless devices are unreachable via the paging channel or the MTC control channel. Further embodiments of the invention include, e.g., methods of handling update indication information and corresponding radio network nodes and wireless devices.
    Type: Application
    Filed: November 21, 2018
    Publication date: March 21, 2019
    Inventors: Helka-Liina Määttanen, Jens Bergqvist
  • Publication number: 20190053041
    Abstract: According to certain embodiments, a method by a wireless device for reporting a connection status is provide that includes receiving a message from a network node. The message may be related to a mobility set associated with the wireless device. The wireless device may determine that the wireless device is not connected to a WLAN access point included within a mobility set. A timer may be started, and the wireless device may attempt to establish a connection between the wireless device and at least one WLAN access point within the mobility set before an expiration of the timer. If the connection is established between the wireless device and the at least one WLAN access point within the mobility set before the expiration of the timer, the timer may be stopped. If the connection is not established between the wireless device and the at least one WLAN access point within the mobility set before the expiration of the timer, a report may be sent to a network node to indicate a connection failure.
    Type: Application
    Filed: February 6, 2017
    Publication date: February 14, 2019
    Inventors: Mattias BERGSTRÖM, Helka-Liina MÄÄTTANEN, Torsten DUDDA
  • Publication number: 20190052342
    Abstract: According to certain embodiments, a method (200) for use in a wireless device (305) includes starting a first timer for monitoring a radio link for a radio link failure, wherein the first timer is started based at least in part on: one or more periodic out of sync (OOS) indications associated with the radio link and aperiodic indications obtained from monitoring a beam for a beam link failure. The radio link failure is declared in response to expiry of the first timer.
    Type: Application
    Filed: August 9, 2018
    Publication date: February 14, 2019
    Inventors: Helka-Liina MÄÄTTANEN, Icaro L.J. Da Silva, Rui Fan, Claes Tidestav
  • Patent number: 10178536
    Abstract: According to a first exemplary embodiment of the invention, a method provides update indication information from a radio network node to one or more wireless devices unreachable via a paging channel or a machine-type communication, MTC, control channel. The method comprises generating (112) an update signal comprising a Downlink Control Information, DCI, message by including the update indication information in the update signal, the update indication information comprising at least one indication unrelated to paging the one or more wireless devices, and transmitting (122) the update signal to the one or more wireless devices via a Physical Downlink Control Channel, PDCCH, when the one or more wireless devices are unreachable via the paging channel or the MTC control channel. Further embodiments of the invention includes e.g. methods of handling update indication information and corresponding radio network nodes and wireless devices.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: January 8, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Helka-Liina Määttanen, Jens Bergqvist
  • Publication number: 20190007328
    Abstract: Methods, nodes, a wireless communication device and computer programs to be usable in association with controlling transmission of at least one data unit via a first link between a first access node and a wireless communication device and via a second link between the first access node and the wireless communication device via the second access node are described. In one embodiment, the method may be performed by the first access node and may comprise receiving first transmission delay information indicative of a transmission delay of the first link and/or second transmission delay information indicative of the second link, and controlling the transmission of said data unit based on the first and/or second transmission delay information.
    Type: Application
    Filed: August 13, 2018
    Publication date: January 3, 2019
    Inventors: Reem Karaki, Torsten Dudda, Hanzhi Zhang, Torbjörn Wigren, Helka-Liina Määttanen, Stefan Wager
  • Publication number: 20180323910
    Abstract: In one aspect, a wireless device receives a first data transmission from a base station in a first subframe interval and transmits HARQ feedback and/or CSI to the base station in a subsequent subframe interval, within a duration that is less than a maximum transmission duration that is possible within the subsequent subframe interval. In another aspect, a base station transmits a first data transmission to a wireless device in a first subframe interval and receives HARQ feedback and/or CSI from the wireless device in a subsequent subframe interval, within a duration that is less than a maximum transmission duration that is possible within the subsequent subframe interval.
    Type: Application
    Filed: July 12, 2018
    Publication date: November 8, 2018
    Inventors: Helka-Liina Määttanen, Mattias Andersson, Stefan Parkvall, Per Synnergren, Stefan Wager, Hanzhi Zhang