Patents by Inventor Kristina Zetterberg

Kristina Zetterberg 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: 10813015
    Abstract: A method (1100) in a wireless device (110) comprises obtaining (1104) a configuration for measurement management associated to cell definitions based on multiple signals, the configuration defining a first cell (125A) based on a first set of signals. The method comprises configuring (1108) measurement management associated to cell definitions based on multiple signals according to the obtained configuration. The method comprises performing (1112) one or more measurements on the first set of signals defining the first cell.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: October 20, 2020
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Fredrik Gunnarsson, Pradeepa Ramachandra, Kristina Zetterberg
  • Publication number: 20200288339
    Abstract: A method in a serving radio base station (310, 510, 720) of a first radio access network, serving a wireless radio device (390, 590, 790), comprising or initiating the steps of:—receiving a measurement report, wherein the measurement report is based on a reference signal received by the wireless radio device (390, 590, 790) from a radio base station (321, 521, 711) in a further radio access network;—sending an identification request referring to the radio base station (321, 521, 711) in the further radio access network to at least one neighbor radio base station (311, 312, 320, 330, 522, 512, 530, 721, 722, 730) of the serving radio base station (310, 510, 720);—establishing a neighbor relation using the information about the identification of the radio base station (321, 521, 711) in the further radio access network, based on received identification information.
    Type: Application
    Filed: March 9, 2018
    Publication date: September 10, 2020
    Inventors: Kristina Zetterberg, Pål Frenger, Pradeepa Ramachandra
  • Patent number: 10757591
    Abstract: Embodiments herein relate to a method performed by a wireless device (10) for handling communication in a wireless communication network. The wireless device (10) stores a time instant associated with a receiving event relating to reference signal detection and information related to the receiving event. The wireless device (10) further detects a connection event related to a connection of the wireless device; and reports the time instant and the information to a radio network node (13) in the wireless communication network.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: August 25, 2020
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Fredrik Gunnarsson, Icaro L.J. Da Silva, Pål Frenger, Reza Moosavi, Pradeepa Ramachandra, Claes Tidestav, Kristina Zetterberg
  • Patent number: 10694543
    Abstract: A first network node 204 and method therein for establishing a neighbour relation with a second network node 206 is disclosed. The first and second network nodes are operating in a wireless communications network 200. The first network node receives a random access request from a communications device 210 operating in the wireless communications network. For neighbour node determination, the first network node transmits, to a third network node 208, a first information relating to an identity of a preamble comprised in the received random access request and to a first reception time of the random access request. The first network node establishes a neighbour relation with the second network node based on a neighbour node determination performed based on the first information by the third network node.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: June 23, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Reza Moosavi, Fredrik Gunnarsson, Pradeepa Ramachandra, Kristina Zetterberg
  • Patent number: 10681600
    Abstract: Embodiments herein relate to a method performed by a wireless device (10) for handling neighbour relationships between radio network nodes in a wireless communication network. The wireless device (10) obtains a request from a first radio network node to provide an identity of a mobility reference signal (MRS) handler associated with one or more MRSs. Furthermore, the wireless device (10) obtains the identity of the MRS handler, which identity is in direct association with at least one MRS out of the one or more MRSs, and reports to the first radio network node, the identity of the MRS handler.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: June 9, 2020
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Pål Frenger, Fredrik Gunnarsson, Reza Moosavi, Pradeepa Ramachandra, Kristina Zetterberg
  • Publication number: 20200092738
    Abstract: A wireless device (111) is configured to receive, from a network node (101), in a measurement reporting configuration information element (127) of a measurement configuration or a measurement identity information element (129) of a measurement configuration, an indication (128) of for which cell the wireless device (111) (111) is to report a cell global identifier, CGI. In embodiments in which the indication (128) is received in the measurement reporting configuration information element (127), for instance, the wireless device (111) may add a reporting configuration indicated by that information element to a list of reporting configurations at the wireless device (111), e.g., as opposed to updating an existing reporting configuration. Regardless, the wireless device (111) may also be configured to report a CGI for the cell indicated by the received indication (128).
    Type: Application
    Filed: November 16, 2018
    Publication date: March 19, 2020
    Inventors: Tobias Ahlström, Icaro L. J. da Silva, Helka-Liina Määttanen, Parisa Pakniat, Kristina Zetterberg
  • Publication number: 20200084681
    Abstract: Embodiments herein relate to a method performed by a wireless device (10) for handling neighbour relationships between radio network nodes in a wireless communication network. The wireless device (10) obtains a request from a first radio network node to provide an identity of a mobility reference signal (MRS) handler associated with one or more MRSs. Furthermore, the wireless device (10) obtains the identity of the MRS handler, which identity is in direct association with at least one MRS out of the one or more MRSs, and reports to the first radio network node, the identity of the MRS handler.
    Type: Application
    Filed: September 28, 2017
    Publication date: March 12, 2020
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Pål FRENGER, Fredrik GUNNARSSON, Reza MOOSAVI, Pradeepa RAMACHANDRA, Kristina ZETTERBERG
  • Publication number: 20200084678
    Abstract: A method (1100) in a wireless device (110) comprises obtaining (1104) a configuration for measurement management associated to cell definitions based on multiple signals, the configuration defining a first cell (125A) based on a first set of signals. The method comprises configuring (1108) measurement management associated to cell definitions based on multiple signals according to the obtained configuration. The method comprises performing (1112) one or more measurements on the first set of signals defining the first cell.
    Type: Application
    Filed: December 7, 2017
    Publication date: March 12, 2020
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Fredrik GUNNARSSON, Pradeepa RAMACHANDRA, Kristina ZETTERBERG
  • Publication number: 20200068462
    Abstract: A method (800) comprises obtaining (703, 804) a measurement configuration, the measurement configuration defining one or more beam groups (405A-C) and a report triggering configuration, wherein: each of the one or more beam groups (405) comprises one or more beams; and the report triggering configuration defines one or more conditions that trigger a measurement report by the wireless device. The method comprises performing (808) one or more measurements on the associated reference signal of each beam of the one or more beams included in each of the one or more beam groups, and filtering (812) the performed one or more measurements to obtain a filtered measurement value for each of the one or more beam groups. The method comprises determining (816), based on at least one filtered measurement value, whether at least one of the one or more conditions that trigger a measurement report by the wireless device are satisfied.
    Type: Application
    Filed: October 30, 2017
    Publication date: February 27, 2020
    Inventors: Kristina Zetterberg, Icaro L. J. da Silva, Fredrik Gunnarsson, Pradeepa Ramachandra, Claes Tidestav
  • Patent number: 10555261
    Abstract: A first network node (111) and method therein for monitoring inactive mode coverage for a user equipment (130) in a wireless communication network (100) are disclosed. A plurality of network nodes (111, 112) operate in the wireless communication network (100) and the first network node (111) is a serving network node for the user equipment (130). The first network node (111) receives an inactive mode coverage monitoring report. The first network node (111) analyzes the inactive mode coverage monitoring report and determines whether the user equipment (130) has inactive mode coverage based on the outcome of analysing the inactive mode coverage monitoring report.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: February 4, 2020
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Kristina Zetterberg, Icaro L. J. Da Silva, Pål Frenger, Fredrik Gunnarsson, Reza Moosavi, Pradeepa Ramachandra
  • Patent number: 10524217
    Abstract: A first network node 104 and a method therein for establishing a neighbour relation with a second network node 106,106?. The first network node 104 and the second network node are operating in a wireless communications network 100, The first network node receives an uplink synchronisation signal from a communications device 110 operating in the wireless communications network. For neighbour node determination, the first network node transmits, to a third network node 108 operating in the wireless communications network, a first information, which first information relates to the identity of the received signal and to a first reception time of the signal. The first network node establishes a neighbour relation with at least one of a second network node and one or more of one or more further second network nodes based on a neighbour node determination performed by the third network node based on the first information.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: December 31, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Reza Moosavi, Fredrik Gunnarsson, Pradeepa Ramachandra, Kristina Zetterberg
  • Patent number: 10517009
    Abstract: Method and apparatus in a wireless communication network (100) for establishing active mode beam to idle mode cells neighbour relations are disclosed. A first network node (111) and other network nodes, a second and a third network nodes (112, 113) operate in the wireless communication network (100). The first network node (111) is a serving network node for the user equipment (130) with the active mode beam, and the idle mode cells are synchronization signal broadcast areas provided by the other network nodes (112, 113). The first network node (111) obtains information on synchronization signals transmitted from the other network nodes and stores information on active mode beam to idle mode cell relations, wherein the active mode beam is the beam serving the user equipment (130) when a new synchronization signal is detected, and the idle mode cell is the cell with the synchronization signal broadcast area provided by the network node transmitting the detected synchronization signal.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: December 24, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Kristina Zetterberg, Icaro L. J. da Silva, Fredrik Gunnarsson, Reza Moosavi, Pradeepa Ramachandra, Claes Tidestav
  • Publication number: 20190320367
    Abstract: In one aspect, a method in a wireless device for facilitating a transition of the wireless device between an active state and an inactive state or idle mode includes storing an identifier of an idle mode synchronization signal of a source node serving the wireless device responsive to entering an active state from an inactive state or idle mode, reentering the inactive state or idle mode and monitoring the idle mode synchronization signal of the source node while in the inactive state or idle mode.
    Type: Application
    Filed: September 29, 2017
    Publication date: October 17, 2019
    Inventors: Kristina Zetterberg, Icaro L. J. da Silva, Pradeepa Ramachandra
  • Publication number: 20190297545
    Abstract: Embodiments herein relate to a method performed by a second network node for handling neighbour relationships between radio network nodes in a wireless communication network. The second network node initiates a neighbour relationship establishment process in the wireless communication network by transmitting an indication to a second radio network node or a first network node. The indication indicates the second radio network node to transmit an identifier of a reference signal handler associated with a reference signal of the second radio network node along with a transmission of the reference signal.
    Type: Application
    Filed: November 8, 2017
    Publication date: September 26, 2019
    Inventors: Pradeepa Ramachandra, Stefan Engström, Reza Moosavi, Claes Tidestav, Andres Reial, Icaro Leonardo J. Da Silva, Fredrik Gunnarsson, Kristina Zetterberg, Pål Frenger
  • Patent number: 10349287
    Abstract: The present disclosure relates to methods, arrangements and computer programs for antenna sector configuration for an adaptive antenna system, AAS. A method, performed in a network node, comprises associating (35) wireless devices served from the network node to sectors of a respective sector configuration model based on radio network measurements, wherein the association is performed for each out of a number of sector configuration models. The method further comprises estimating (S37) performance metrics for each sector configuration model based on the associating of wireless devices to sectors of the respective sector configuration model and selecting (S37) an antenna sector configuration of the AAS based on the estimated performance metrics.
    Type: Grant
    Filed: March 3, 2015
    Date of Patent: July 9, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Sebastian Faxér, Pradeepa Ramachandra, Kristina Zetterberg
  • Publication number: 20190045384
    Abstract: Method and apparatus in a wireless communication network (100) for establishing active mode beam to idle mode cells neighbour relations are disclosed. A first network node (111) and other network nodes, a second and a third network nodes (112, 113) operate in the wireless communication network (100). The first network node (111) is a serving network node for the user equipment (130) with the active mode beam, and the idle mode cells are synchronization signal broadcast areas provided by the other network nodes (112, 113). The first network node (111) obtains information on synchronization signals transmitted from the other network nodes and stores information on active mode beam to idle mode cell relations, wherein the active mode beam is the beam serving the user equipment (130) when a new synchronization signal is detected, and the idle mode cell is the cell with the synchronization signal broadcast area provided by the network node transmitting the detected synchronization signal.
    Type: Application
    Filed: August 3, 2017
    Publication date: February 7, 2019
    Inventors: Kristina Zetterberg, Icaro L.J. da Silva, Fredrik Gunnarsson, Reza Moosavi, Pradeepa Ramachandra, Claes Tidestav
  • Publication number: 20180352453
    Abstract: Embodiments herein relate to a method performed by a wireless device (10) for handling communication in a wireless communication network. The wireless device (10) stores a time instant associated with a receiving event relating to reference signal detection and information related to the receiving event. The wireless device (10) further detects a connection event related to a connection of the wireless device; and reports the time instant and the information to a radio network node (13) in the wireless communication network.
    Type: Application
    Filed: January 4, 2017
    Publication date: December 6, 2018
    Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Fredrik GUNNARSSON, Icaro L.J. DA SILVA, Pål FRENGER, Reza MOOSAVI, Pradeepa RAMACHANDRA, Claes TIDESTAV, Kristina ZETTERBERG
  • Patent number: 10141998
    Abstract: There is provided a method for utilizing antenna beam information. The method is performed by a network node. The method comprises acquiring antenna beam information indicative of a direction of a wireless device (WD) specific beam of the network node. The method comprises classifying the acquired antenna beam information into a cell specific beam category based on an angular difference between the direction and a direction of main lobe of a cell specific beam of the network node. The method comprises performing at least one of a load balancing action of the wireless device and a radiation beam pattern change related to the cell specific beam category.
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: November 27, 2018
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Pradeepa Ramachandra, Harald Kallin, Panagiota Lioliou, Kristina Zetterberg
  • Publication number: 20180302856
    Abstract: A first network node (111) and method therein for monitoring inactive mode coverage for a user equipment (130) in a wireless communication network (100) are disclosed. A plurality of network nodes (111, 112) operate in the wireless communication network (100) and the first network node (111) is a serving network node for the user equipment (130). The first network node (111) receives an inactive mode coverage monitoring report. The first network node (111) analyzes the inactive mode coverage monitoring report and determines whether the user equipment (130) has inactive mode coverage based on the outcome of analysing the inactive mode coverage monitoring report.
    Type: Application
    Filed: September 25, 2017
    Publication date: October 18, 2018
    Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Kristina ZETTERBERG, Icaro L.J. DA SILVA, Pål FRENGER, Fredrik GUNNARSSON, Reza MOOSAVI, Pradeepa RAMACHANDRA
  • Publication number: 20180295543
    Abstract: Network node (111) and method therein for assisting a user equipment (130) to handle a connection in a wireless communication network (100) are disclosed. A first network node (111) and a second network node (112) operate in the wireless communication network (100). The first network node (111) is a serving network node for the user equipment (130). The first network node (111) determines that the user equipment (130) is under an idle mode coverage of the second network node (112) based on measurements associated to the user equipment (130). When a connected mode connection between the user equipment (130) and the first network node (111) is released, the first network node sends a context of the user equipment (130) to the second network node (112).
    Type: Application
    Filed: September 25, 2017
    Publication date: October 11, 2018
    Inventors: Fredrik Gunnarsson, Icaro L. J. Da Silva, Reza Moosavi, Pradeepa Ramachandra, Claes Tidestav, Kristina Zetterberg