Patents by Inventor Birgitta Olin

Birgitta Olin 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: 20230337218
    Abstract: The present disclosure relates to a method of a radio base station of scheduling a wireless communication device, and a radio base station performing the method. The disclosure further relates to a method of a radio base station of suppressing interference of signals to which a wireless communication device of a neighbouring radio cell is subjected, and a radio base station performing the method.
    Type: Application
    Filed: June 23, 2020
    Publication date: October 19, 2023
    Inventors: Anders Furuskär, Birgitta Olin, Niklas Jaldén
  • Publication number: 20170013475
    Abstract: There is provided mechanisms for improving performance in a wireless communications network. A method is performed by a network node. The method comprises acquiring an identification of a set of cells for which adjustment is needed. The method comprises identifying a reason for the adjustment and improvement possibilities of the set of cells using at least one indicator. The reason and the improvement possibilities define a combination of which parameters and network nodes that could be adjusted. The method comprises determining an improvement action for the set of cells by jointly optimizing the combination of parameters and network nodes based on the reason and the improvement possibilities.
    Type: Application
    Filed: July 8, 2015
    Publication date: January 12, 2017
    Inventors: Panagiota Lioliou, Harald Kallin, Birgitta Olin, Pradeepa Ramachandra, Kristina Zetterberg
  • Patent number: 9332566
    Abstract: The invention relates to a method for service aware scheduling of wireless resources in a wireless network. According to the inventive method, a service request for service delivery of a service type is received (51). A performance to value relationship for the service type is determined (52) and approximated (53) with a scheduling weight function associated with the service type. Previous performance for service delivery related to this service request is evaluated and approximated with a performance estimate (54). A scheduling weight is determined (55) by introducing the performance estimate in the scheduling weight function. Resource scheduling is performed (58) following a step of comparing (56) scheduling weights for on-going service requests. The invention also includes a network node and a system for service aware scheduling of wireless resources in a wireless network.
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: May 3, 2016
    Assignee: Telefonaktiebolaget L M Ericsson (Publ)
    Inventors: Kristina Zetterberg, Mehdi Amirijoo, Fredrik Gunnarsson, Johan Moe, Birgitta Olin
  • Patent number: 9241280
    Abstract: A method in a first radio network node for testing a transmission parameter value in a wireless communication system is provided. The first radio network node is configured to, during operational mode thereof, perform transmissions using available resources divided in to resource blocks. The first radio network node allocates a test resource block, for test purposes, among the available resources. The first radio network node defines for the test resource block, a test value for the transmission parameter. The test value differs from the nominal value. The first radio network node performs, during operational mode, a test transmission using the resource block. During the test transmission, the transmission parameter is set to the test value. The test transmission is configured to form the basis for an evaluation of the test value.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: January 19, 2016
    Assignee: Telefonaktiebolaget L M Ericsson (Publ)
    Inventors: Harald Kallin, Birgitta Olin
  • Patent number: 9161283
    Abstract: A method in a radio network node (105) for handling handover of a user equipment (110) from a first cell (115) to a second cell (120) is provided. A first scenario (410, 510), associated with a radio quality of the first cell (115) and a radio quality of the second cell (120), and a second scenario (420, 520), associated with a radio quality of the first cell (115) and a radio quality of the second cell (120), are defined. Also defined is at least one individual handover parameter (210, 220) for each one of the scenarios. Measured radio qualities of the first and second cells, associated with the user equipment (110) are obtained. The user equipment (110) is then classified into one of the scenarios based on the measured radio qualities, and a handover decision is established based on the individual handover parameter (210, 220) for the chosen scenario.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: October 13, 2015
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Harald Kallin, Birgitta Olin
  • Publication number: 20140349695
    Abstract: The invention relates to a method for service aware scheduling of wireless resources in a wireless network. According to the inventive method, a service request for service delivery of a service type is received (51). A performance to value relationship for the service type is determined (52) and approximated (53) with a scheduling weight function associated with the service type. Previous performance for service delivery related to this service request is evaluated and approximated with a performance estimate (54). A scheduling weight is determined (55) by introducing the performance estimate in the scheduling weight function. Resource scheduling is performed (58) following a step of comparing (56) scheduling weights for on-going service requests. The invention also includes a network node and a system for service aware scheduling of wireless resources in a wireless network.
    Type: Application
    Filed: December 5, 2011
    Publication date: November 27, 2014
    Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Kristina Zetterberg, Mehdi Amirijoo, Fredrik Gunnarsson, Johan Moe, Birgitta Olin
  • Patent number: 8738004
    Abstract: Handover (HO) statistics and handover issue events which are due to non-mobility causes are not included in the statistics fed into mobility robustness optimization (MRO). The non-mobility causes may include, e.g., load balancing, retracting users to prepare for cell maintenance or restart/reconfiguration and cell outage including compensation means. Radio link failure (RLF), handover failure (HOF), and handover oscillations (HOosc) that are due to non-mobility cause are excluded from the statistics upon which mobility robustness optimization is based. Non-mobility causes are also differentiated from mobility causes when reporting key performance indicators to an operator.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: May 27, 2014
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Mehdi Amirijoo, Fredrik Gunnarsson, Birgitta Olin, Johan Moe, Kristina Zetterberg
  • Publication number: 20140038630
    Abstract: A method in a first radio network node for testing a transmission parameter value in a wireless communication system is provided. The first radio network node is configured to, during operational mode thereof, perform transmissions using available resources divided in to resource blocks. The first radio network node allocates a test resource block, for test purposes, among the available resources. The first radio network node defines for the test resource block, a test value for the transmission parameter. The test value differs from the nominal value. The first radio network node performs, during operational mode, a test transmission using the resource block. During the test transmission, the transmission parameter is set to the test value. The test transmission is configured to form the basis for an evaluation of the test value.
    Type: Application
    Filed: April 29, 2011
    Publication date: February 6, 2014
    Applicant: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Harald Kallin, Birgitta Olin
  • Patent number: 8619708
    Abstract: A device detects an overload in a serving cell of a wireless network based on information associated with the serving cell, and determines, when the overload in the serving cell is detected, user equipment in the serving cell that are candidates to move to a target cell of the wireless network based on calculated user throughputs of user equipment in the serving cell. The device also selects one or more of the candidate user equipment to move to the target cell, and moves the selected user equipment to the target cell.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: December 31, 2013
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Harald Kallin, Birgitta Olin
  • Publication number: 20130344871
    Abstract: A method in a radio network node (105) for handling handover of a user equipment (110) from a first cell (115) to a second cell (120) is provided. A first scenario (410, 510), associated with a radio quality of the first cell (115) and a radio quality of the second cell (120), and a second scenario (420, 520), associated with a radio quality of the first cell (115) and a radio quality of the second cell (120), are defined. Also defined is at least one individual handover parameter (210, 220) for each one of the scenarios. Measured radio qualities of the first and second cells, associated with the user equipment (110) are obtained. The user equipment (110) is then classified into one of the scenarios based on the measured radio qualities, and a handover decision is established based on the individual handover parameter (210, 220) for the chosen scenario.
    Type: Application
    Filed: December 7, 2010
    Publication date: December 26, 2013
    Applicant: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Harald Kallin, Birgitta Olin
  • Publication number: 20130115959
    Abstract: Handover (HO) statistics and handover issue events which are due to non-mobility causes are not included in the statistics fed into mobility robustness optimization (MRO). The non-mobility causes may include, e.g., load balancing, retracting users to prepare for cell maintenance or restart/reconfiguration and cell outage including compensation means. Radio link failure (RLF), handover failure (HOF), and handover oscillations (HOosc) that are due to non-mobility cause are excluded from the statistics upon which mobility robustness optimization is based. Non-mobility causes are also differentiated from mobility causes when reporting key performance indicators to an operator.
    Type: Application
    Filed: March 22, 2012
    Publication date: May 9, 2013
    Inventors: Mehdi Amirijoo, Fredrik Gunnarsson, Birgitta Olin, Johan Moe, Kristina Zetterberg
  • Patent number: 8311002
    Abstract: The present invention relates to a method and an arrangement for optimizing radio resource utilizations when scheduling data transmissions between a radio base station (15) and one or more user equipments (18) on a radio channel over a radio interface in a communication network comprising a plurality of said radio base stations (15) serving cells between which said user equipments (18) are moving. Firstly information on channel quality of said radio channel is obtained. Also, information on the traffic per user within the cell is obtained. Then, the information on channel quality and said traffic information are combined and the data transmission is scheduled based on the combination.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: November 13, 2012
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Henrik Nyberg, Birgitta Olin, Nicholas Debernardi
  • Publication number: 20110128862
    Abstract: A device detects an overload in a serving cell of a wireless network based on information associated with the serving cell, and determines, when the overload in the serving cell is detected, user equipment in the serving cell that are candidates to move to a target cell of the wireless network based on calculated user throughputs of user equipment in the serving cell. The device also selects one or more of the candidate user equipment to move to the target cell, and moves the selected user equipment to the target cell.
    Type: Application
    Filed: November 30, 2009
    Publication date: June 2, 2011
    Applicant: TELEFONAKTIEBOLAGET L M ERICSSON
    Inventors: Harald KALLIN, Birgitta OLIN
  • Patent number: 7873362
    Abstract: A simple and reliable method for dimensioning CDMA based networks is achieved by a method for evaluating or dimensioning a radio network comprising the steps of—defining a radio network model comprising at least one radio base station and a plurality of mobile terminals, —for each mobile terminal in the model, defining a path gain value for a signal path between the mobile terminal and each of the radio base stations, said method being characterized by the steps of—for each mobile terminal, selecting at least one of said path gain values, —defining a data set comprising at least one parameter based on said selected at least one path gain value for each mobile terminal, and—performing dimensioning calculations on the data set. Especially if data sets are prestored the dimensioning calculations can be carried out in very short time.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: January 18, 2011
    Assignee: Telefonaktiebolaget L M Ericsson (Publ)
    Inventors: Henrik Nyberg, Per Magnus Lundevall, Birgitta Olin
  • Publication number: 20100085923
    Abstract: The present invention relates to a method and an arrangement for optimizing radio resource utilizations when scheduling data transmissions between a radio base station (15) and one or more user equipments (18) on a radio channel over a radio interface in a communication network comprising a plurality of said radio base stations (15) serving cells between which said user equipments (18) are moving. Firstly information on channel quality of said radio channel is obtained. Also, information on the traffic per user within the cell is obtained. Then, the information on channel quality and said traffic information are combined and the data transmission is scheduled based on the combination.
    Type: Application
    Filed: March 30, 2007
    Publication date: April 8, 2010
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Henrik Nyberg, Birgitta Olin, Nicholas Debernardi
  • Publication number: 20080254748
    Abstract: A simple and reliable method for dimensioning CDMA based networks is achieved by a method for evaluating or dimensioning a radio network comprising the steps of—defining a radio network model comprising at least one radio base station and a plurality of mobile terminals, —for each mobile terminal in the model, defining a path gain value for a signal path between the mobile terminal and each of the radio base stations, said method being characterized by the steps of—for each mobile terminal, selecting at least one of said path gain values, —defining a data set comprising at least one parameter based on said selected at least one path gain value for each mobile terminal, and—performing dimensioning calculations on the data set. Especially if data sets are prestored the dimensioning calculations can be carried out in very short time.
    Type: Application
    Filed: December 22, 2004
    Publication date: October 16, 2008
    Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (pbl)
    Inventors: Henrik Nyberg, Per Magnus Lundevall, Birgitta Olin