Patents by Inventor Tomas Hedberg

Tomas Hedberg 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: 20190261232
    Abstract: Systems and methods are disclosed for providing a network-instructed handover of a wireless device from a Wireless Local Area Network (WLAN) to a Radio Access Network (RAN) of another Radio Access Technology (RAT), e.g., a 3rd Generation Partnership Project (3GPP) or 3rd Generation Partnership Project 2 (3GPP2) RAT. In one embodiment, a WLAN access node determines that a handover of a wireless device from the WLAN to another RAN of a different RAT is to be performed and transmits a handover instruction to the wireless device that instructs the wireless device to perform a handover from the WLAN to a RAN of a different RAT. In this manner, the WLAN access node is able to steer the wireless device from the WLAN to a RAN of a different RAT.
    Type: Application
    Filed: May 2, 2019
    Publication date: August 22, 2019
    Inventors: Filip Mestanov, Tomas Hedberg, Stephen Rayment, Dinand Roeland, Magnus Stattin, Jari Vikberg
  • Patent number: 10375628
    Abstract: A method and network node for selecting a most suitable gateway for a User Equipment (UE) located in a wireless communications network. The network includes the network node and at least two gateways configured to provide packet data network connectivity to the UE located within a served cell. The network node detects a presence of a local gateway among the gateways and obtains UE information including a type of the UE. The UE type is either a stationary/fixed type or a mobile type, and the UE type is determined based on UE mobility behavior in relation to a local gateway service area. The network node selects the detected local gateway or another gateway among the at least two gateways for providing packet data network connectivity to the UE based on the determined UE type.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: August 6, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Tomas Nylander, Jari Vikberg, Tomas Hedberg
  • Publication number: 20190215698
    Abstract: According to some embodiments, a method for use in a first spectrum access system (SAS) server of authorizing spectrum access comprises: receiving, from a second SAS, information about one or more priority access license (PAL) protection areas (PPAs) served by the second SAS; receiving a spectrum grant request on behalf of one of a first PPA or a first general authorized access (GAA) user; determining whether granting the spectrum grant request may interfere with a second PPA geographically proximate the one of the first PPA or the first GAA user, wherein the second PPA is served by the second SAS; and granting or denying the spectrum grant request based at least in part on the interference determination. The interference determination may comprise modeling the radio environment within the second PPA and surrounding areas based on the spectrum grant request to determine whether an aggregate interference level exceeds a threshold.
    Type: Application
    Filed: May 11, 2017
    Publication date: July 11, 2019
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Kumar BALACHANDRAN, Virgil CIMPU, Tomas HEDBERG, Mats BUCHMAYER
  • Patent number: 10349429
    Abstract: A system and method for frequency redirection in a communication system. In one embodiment, an apparatus accesses a communication system using first system information associated with a first frequency providing a first radio measurement. The apparatus receives an instruction to evaluate at least one frequency, and performs a second radio measurement over a second frequency without reading second system information associated with the second frequency. The apparatus accesses the communication system using the second system information associated with the second frequency when the second radio measurement exceeds a threshold, and performs a third radio measurement over a third frequency when the second radio measurement is less than or equal to the threshold and without reading third system information associated with the third frequency.
    Type: Grant
    Filed: December 17, 2017
    Date of Patent: July 9, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Badawi Yamine, Tomas Hedberg
  • Publication number: 20190191445
    Abstract: A system and method for frequency redirection in a communication system. In one embodiment, an apparatus accesses a communication system using first system information associated with a first frequency providing a first radio measurement. The apparatus receives an instruction to evaluate at least one frequency, and performs a second radio measurement over a second frequency without reading second system information associated with the second frequency. The apparatus accesses the communication system using the second system information associated with the second frequency when the second radio measurement exceeds a threshold, and performs a third radio measurement over a third frequency when the second radio measurement is less than or equal to the threshold and without reading third system information associated with the third frequency.
    Type: Application
    Filed: December 17, 2017
    Publication date: June 20, 2019
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Badawi YAMINE, Tomas HEDBERG
  • Patent number: 10321364
    Abstract: Systems and methods are disclosed for providing a network-instructed handover of a wireless device from a Wireless Local Area Network (WLAN) to a Radio Access Network (RAN) of another Radio Access Technology (RAT), e.g., a 3rd Generation Partnership Project (3GPP) or 3rd Generation Partnership Project 2 (3GPP2) RAT. In one embodiment, a WLAN access node determines that a handover of a wireless device from the WLAN to another RAN of a different RAT is to be performed and transmits a handover instruction to the wireless device that instructs the wireless device to perform a handover from the WLAN to a RAN of a different RAT. In this manner, the WLAN access node is able to steer the wireless device from the WLAN to a RAN of a different RAT.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: June 11, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Filip Mestanov, Tomas Hedberg, Stephen Rayment, Dinand Roeland, Magnus Stattin, Jari Vikberg
  • Publication number: 20190174453
    Abstract: The present disclosure relates to a method, performed in a network node of a first network, for designating one or more cells of a second network as neighbouring cells to the first network. The method comprises selecting a set of carriers employed in the second network and transmitting information for the selected set of carriers to a wireless device served by the first network. Measurement reports are received for respective carriers from the wireless device. The network node determines neighbour cell relations between the first network and one or more cells of the second network based on the received measurement reports.
    Type: Application
    Filed: August 30, 2016
    Publication date: June 6, 2019
    Inventors: Håkan OLOFSSON, Tomas HEDBERG
  • Patent number: 10271259
    Abstract: In a method performed by a user equipment for controlling radio access network selection and traffic steering for the user equipment in a heterogeneous communication network, said communication network comprising at least said user equipment, at least one radio access network controller node and at least one ANDSF policy server node with which the user equipment is associated, wherein the method includes the steps of adaptively at least partly suspending or activating provided ANDSF policies to enable switching between radio access network control or ANDSF policy control of radio access network selection and traffic steering for the user equipment.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: April 23, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Jari Vikberg, Paul Schliwa-Bertling, Tomas Hedberg
  • Patent number: 10136374
    Abstract: A method for controlling IP flow mobility is performed in a communication network comprising 3GPP and non-3GPP access networks, wherein a UE has an IP flow mobility PDN connection set up towards the communication network. The method comprises triggering sending to the UE, a number of IP flow specific RAN assistance parameter values for controlling the UE to route an IP flow of the IP flow mobility PDN connection either over the 3GPP access network or the non-3GPP access network. The IP flow specific RAN assistance parameters may be threshold parameters setting a limit for when to route an IP flow to the 3GPP access network or when to route the IP flows to the non-3GPP access network.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: November 20, 2018
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Dinand Roeland, Jari Vikberg, Tomas Hedberg, Stefan Rommer
  • Patent number: 10097475
    Abstract: A method performed by a multi-path transmission control protocol (MPTCP) controller of a MPTCP capable device. The method includes receiving, from outside of the device, information signals comprising MPTCP usage information. The method also includes sending control signals to an MPTCP scheduler of the device for controlling the scheduler. The control signals are based on the received usage information. Devices for performing the method are also described.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: October 9, 2018
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Gunnar Mildh, Jari Vikberg, Tomas Hedberg
  • Publication number: 20180249403
    Abstract: A method and network node for selecting a most suitable gateway for a User Equipment (UE) located in a wireless communications network. The network includes the network node and at least two gateways configured to provide packet data network connectivity to the UE located within a served cell. The network node detects a presence of a local gateway among the gateways and obtains UE information including a type of the UE. The UE type is either a stationary/fixed type or a mobile type, and the UE type is determined based on UE mobility behavior in relation to a local gateway service area. The network node selects the detected local gateway or another gateway among the at least two gateways for providing packet data network connectivity to the UE based on the determined UE type.
    Type: Application
    Filed: April 27, 2018
    Publication date: August 30, 2018
    Inventors: Tomas NYLANDER, Jari VIKBERG, Tomas HEDBERG
  • Patent number: 10015713
    Abstract: The disclosure relates to methods, a wireless device, a radio access node and computer programs for improving wireless device mobility between a first radio access network arranged to operate according to a first radio access technology and a second radio access network arranged to operate according to a second radio access technology. In particular, the disclosure relates to handover preparation procedure to improve handover of a wireless device (20) connected to a first radio access network (11) arranged to operate according to a first radio access technology to a second radio access network (12) arranged to operate according to a second radio access technology. The handover preparation procedure includes the sending of a handover prepare message (S47) from an access node (30) of a first radio access network to a connected wireless device (20).
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: July 3, 2018
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Tomas Hedberg, Filip Mestanov, Jari Vikberg
  • Patent number: 9986498
    Abstract: In a method of enabling radio access network control of selection of radio access technology and traffic steering of radio bearers for user equipment in a heterogeneous wireless communication network, the network comprising at least one ANDSF policy server node with at least one associated user equipment and at least one radio access network node, performing the steps of exchanging at least core network information between the ANDSF policy server node and the at least one radio access network node over a provided communication interface, and controlling the selection of radio access technology and traffic steering of radio bearers for the at least one associated user equipment based on at least the exchanged core network information.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: May 29, 2018
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Tomas Hedberg, Filip Mestanov, Jari Vikberg
  • Patent number: 9986496
    Abstract: A method and network node for selecting a most suitable gateway for a User Equipment (UE) located in a wireless communications network. The network includes the network node and at least two gateways configured to provide packet data network connectivity to the UE located within a served cell. The network node detects a presence of a local gateway among the gateways and obtains UE information including a type of the UE. The UE type is either a stationary/fixed type or a mobile type, and the UE type is determined based on UE mobility behavior in relation to a local gateway service area. The network node selects the detected local gateway or another gateway among the at least two gateways for providing packet data network connectivity to the UE based on the determined UE type.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: May 29, 2018
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Tomas Nylander, Jari Vikberg, Tomas Hedberg
  • Publication number: 20180077599
    Abstract: Systems and methods for throttling-based traffic steering are disclosed, In some embodiments, a method of operation of a network node in a wireless communications network to provide traffic steering of a wireless device being served by the wireless communications network includes selecting the wireless device to be steered away from the wireless communications network and throttling a connection of the wireless device to the wireless communications network to provide traffic steering of the wireless device away from the wireless communications network. In some embodiments, this connection throttling will induce the wireless device to steer away from the wireless communications network to a different wireless communications network such as a wireless local access network.
    Type: Application
    Filed: April 17, 2015
    Publication date: March 15, 2018
    Inventors: Mattias Tan Bergstrom, Tomas HEDBERG, Johnny KAROUT
  • Publication number: 20180062979
    Abstract: The present disclosure relates to methods and arrangements for multipath traffic aggregation using a multipath Transmission Control Protocol, MPTCP, proxy. A method of relaying data between an MPTCP capable wireless device and a server is performed in a multipath Transmission Control Protocol, MPTCP, proxy, configured with a unique Internet Protocol, IP, address. The comprises establishing (S33) an MPTCP session between the MPTCP proxy and the wireless device, the MPTCP session comprising a first MPTCP subflow mapped on a first network path for the wireless device using a default traffic flow tuple, and establishing (S35) a TCP session with the server. The method further comprises initiating (S37) a further MPTCP subflow in the MPTCP session between the MPTCP proxy and the wireless device based on a mapping of the further MPTCP subflow to a second network path for the wireless device using a filtering traffic flow tuple comprising the unique IP-address configured for the MPTCP proxy.
    Type: Application
    Filed: March 12, 2015
    Publication date: March 1, 2018
    Inventors: Oscar Zee, Tomas Hedberg, Jari Vikberg
  • Patent number: 9907013
    Abstract: There is provided a method of operating a terminal device in a first network that is operating according to a first radio access technology, RAT, the terminal device supporting and operating according to a network interworking feature that enables and controls interworking between the first network and a network operating according to a second RAT, the method comprising determining whether a first cell in the first network that is serving the terminal device supports the network interworking feature (1101); and modifying the operation of the terminal device with respect to the network interworking feature if it is determined that the first cell does not support the network interworking feature (1103).
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: February 27, 2018
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mattias Tan Bergström, Tomas Hedberg
  • Patent number: 9888488
    Abstract: The present invention relates to methods and arrangements for resolving radio resource conflicts occurring in radio networks supporting both local ad-hoc communication and cellular communication. The conflicts are resolved by informing the cellular network about radio resource management restrictions due to the local ad-hoc communication needs and resources that are reserved for local ad-hoc communications.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: February 6, 2018
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Gabor Fodor, Tomas Hedberg
  • Patent number: 9843977
    Abstract: A wireless communication device (WCD), network node, and methods for determining whether to steer traffic from a first access point to a second access point according to an access network selection policy. The WCD obtains at least one input parameter for use in an algorithm that is part of the access network selection policy, obtains a random value, and determines whether to steer traffic from the first access point to the second access point based at least in part on the at least one obtained input parameter and the obtained random value. The at least one input parameter may be determined by the network node and signaled to the WCD. The network node may signal an indication to the WCD to cause the WCD to apply a random value when determining whether to steer traffic in accordance with the access network selection policy.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: December 12, 2017
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (publ)
    Inventors: Tomas Hedberg, Filip Mestanov, Mattias Bergström, Oumer Teyeb
  • Publication number: 20170318506
    Abstract: Systems and methods are disclosed for providing a network-instructed handover of a wireless device from a Wireless Local Area Network (WLAN) to a Radio Access Network (RAN) of another Radio Access Technology (RAT), e.g., a 3rd Generation Partnership Project (3GPP) or 3rd Generation Partnership Project 2 (3GPP2) RAT. In one embodiment, a WLAN access node determines that a handover of a wireless device from the WLAN to another RAN of a different RAT is to be performed and transmits a handover instruction to the wireless device that instructs the wireless device to perform a handover from the WLAN to a RAN of a different RAT. In this manner, the WLAN access node is able to steer the wireless device from the WLAN to a RAN of a different RAT.
    Type: Application
    Filed: July 14, 2017
    Publication date: November 2, 2017
    Inventors: Filip Mestanov, Tomas Hedberg, Stephen Rayment, Dinand Roeland, Magnus Stattin, Jari Vikberg