Patents by Inventor Gunnar Mildh

Gunnar Mildh 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: 9742528
    Abstract: The invention relates to a method and an arrangement for reducing the amount of messages sent in a communication network comprising a first communication network entity, a second communication network entity connected to said first communication network entity over a communication interface and one or more user equipments connected to said second communication network entity over a radio interface, whereby messages are sent on said interfaces using at least a first and a second protocol. General rules are provided for sending first protocol messages packed inside second protocol messages, so called “piggybacking”, and each first protocol message is provided with an instruction field defining a co-ordination of procedure steps to be taken for performing an action.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: August 22, 2017
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Göran Rune, Pontus Wallentin, Gunnar Mildh, Anders Henriksson
  • Patent number: 9743352
    Abstract: According to one aspect, there is provided a method of operating a network node in a communication network with the communication network comprising at least one mobile device that is operating in a discontinuous reception, DRX, mode with a DRX cycle length that is longer than a modification period in the network. In the method, when an update to system information is to occur in an updated information modification period, the modification period immediately preceding the updated information modification period comprising a change notification modification period, a paging message is transmitted to the mobile device during a modification period other than the change notification modification period and the updated information modification period, the paging message informing the mobile device that an update to system information is to occur in the updated information modification period.
    Type: Grant
    Filed: July 4, 2014
    Date of Patent: August 22, 2017
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Andreas Höglund, Gunnar Mildh, Tuomas Tirronen, Emre Yavuz
  • Patent number: 9736736
    Abstract: A method for handling Circuit Switched Fallback from a Packet Switched domain includes receiving an indication that Circuit Switched Fallback is supported from an eNodeB located within the Packet Switched domain. The method also includes registering to a Circuit Switched domain associated with Circuit Switched Fallback by tunneling Circuit Switched Registration information, via the eNodeB, to the Circuit Switched domain, thereby enabling the User Equipment to setup a Circuit Switched call or receive a Circuit Switched page. The method also includes receiving a Circuit Switched specific parameter setting from the eNodeB. The Circuit Switched specific parameter setting includes decoding information to facilitate decoding of transmissions in the Circuit Switched domain. Additionally, the method includes, after receiving the Circuit Switched specific parameter setting, switching from the Packet Switched domain to the Circuit Switched domain and using the decoding information to access the Circuit Switched domain.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: August 15, 2017
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventor: Gunnar Mildh
  • Publication number: 20170223580
    Abstract: Embodiments of the present disclosure provide a method for mobility management at a network management center. The method comprises indicating a target access node to a terminal device being served by a source access node, in response to determining that the terminal device needs to be handed over to the target access node. The method also comprises transmitting network-related context information of the terminal device to the target access node that receives terminal-related context information of the terminal device from the terminal device. By virtue of this method, the access node may be made with a simple and low cost structure; deployment of access nodes may be more flexible and handover of the terminal device may be more efficient.
    Type: Application
    Filed: April 12, 2017
    Publication date: August 3, 2017
    Inventors: Rui FAN, Gunnar MILDH, Qianxi LU
  • Publication number: 20170223666
    Abstract: A method and a first network node (120) of a wireless network (100) for managing a request for a connectivity for a service of a wireless device (110) are disclosed. The first network node (120) is configured to use a first set of resources of the wireless network (100). The first network node (120) receives (403) the request for the connectivity. The request is associated with a required level of a connectivity for the service. The required level of the connectivity relates to likelihood of maintaining the connectivity towards the wireless network (100). The first network node (120) further configures (404) the first set of resources to increase an estimated level of the connectivity for the service towards the wireless network (100). The estimated level of the connectivity is associated with the wireless network (100). A corresponding computer program and a computer program product are also disclosed.
    Type: Application
    Filed: March 4, 2014
    Publication date: August 3, 2017
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Erik Dahlman, Magnus Frodigh, Mikael Höök, Harald Kallin, Gunnar Mildh, Joachim Sachs
  • Patent number: 9706472
    Abstract: The invention relates to a method in an arrangement of a communication network, controlling a function for processing data packets of a flow associated with a device. The method comprises determining (610) to relocate the function for processing the data packets from a source instance to a target instance for the device, controlling (620) transmission of an instruction to the source instance to relocate the function for processing the data packets to the target instance, and controlling (630) an update of a switching element in a chain of functions for processing the data packets of the flow comprising said function. The switching element affects the routing of the data packets of the flow in the chain. The switching element is updated with information related to the relocated function. The invention also relates to a method performed by the source instance and to the arrangement and the source instance.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: July 11, 2017
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Dinand Roeland, Conny Larsson, Gunnar Mildh, Rashmi Purushothama, Johan Rune, Zoltán Turányi, András Zahemszky
  • Patent number: 9693267
    Abstract: Embodiments of the present disclosure provide a method for mobility management at a network management center. The method comprises indicating a target access node to a terminal device being served by a source access node, in response to determining that the terminal device needs to be handed over to the target access node. The method also comprises transmitting network-related context information of the terminal device to the target access node that receives terminal-related context information of the terminal device from the terminal device. By virtue of this method, the access node may be made with a simple and low cost structure; deployment of access nodes may be more flexible and handover of the terminal device may be more efficient.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: June 27, 2017
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Rui Fan, Gunnar Mildh, Qianxi Lu
  • Publication number: 20170180997
    Abstract: The disclosure relates to a method (20) performed in a communication device (2). The method (20) comprises obtaining (21) a policy comprising one or more rules associated with different values of a parameter, the parameter comprising a first part and a second part; receiving (22) the parameter; and applying (24, 26) a rule associated with a value of the first part of the parameter or a rule associated with a value of the second part of the parameter. The disclosure also relates to a corresponding method in a communication system (1), to a communication device (2), a communication system (1), computer programs and computer program products.
    Type: Application
    Filed: March 30, 2015
    Publication date: June 22, 2017
    Inventors: Gunnar Mildh, Mattias Tan Bergström, Stefan Rommer
  • Patent number: 9686057
    Abstract: The present disclosure relates to base station and method for content synchronization when broadcasting data in a communications network. The base station comprises a receiver receiving data sequences and a transmitter for transmitting data sequences. Each data sequence has a data size and comprises a sequence number (SN). The base station further comprises a processing arrangement configured to add byte numbered sequence numbers to said data sequences passed between layers in a protocol stack for transmission to a transceiver station.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: June 20, 2017
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: András Rácz, Gunnar Mildh
  • Publication number: 20170170954
    Abstract: A method in a User Equipment (UE) of an Evolved Packet System (EPS) establishes a security key (K_eNB) for protecting Radio Resource Control/User Plane (RRC/UP) traffic exchanged with a serving eNodeB. The method comprises sending a Non-Access Stratum (NAS) Service Request to a Mobility Management Entity (MME), the request indicating a NAS uplink sequence number (NAS_U_SEQ). The method further comprises receiving an indication of the NAS_U_SEQ of the NAS Service Request sent to the MME, back from the MME via the eNodeB. The method further comprises deriving the K_eNB from at least the received indication of the NAS_U_SEQ and from a stored Access Security Management Entity-key (K_ASME) shared with said MME.
    Type: Application
    Filed: February 27, 2017
    Publication date: June 15, 2017
    Inventors: Rolf Blom, Gunnar Mildh, Karl Norrman
  • Patent number: 9674219
    Abstract: There is provided a method of authenticating a public land mobile network (PLMN) to a mobile station (MS). The PLMN provides a circuit switched access network to the MS, and the MS and a trusted service, TS, have established a security context. The initiation of a voice call or initiation of sending or receiving of a pushed message by the MS (S10.1) is detected, and the TS generates a response authentication token using a session identifier and the security context (S10.7). The TS sends a response comprising the response authentication token to the MS such that the response is delivered to the MS over a signalling channel of the PLMN using a mobile subscriber integrated services digital network-number (MSISDN) associated with the subscriber or subscription to direct the message (S10.9). The MS authenticates the response using the response authentication token, the security context, and the session identifier (S10.12) in order to authenticate the PLMN.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: June 6, 2017
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Göran Selander, Harald Kallin, Michael Liljenstam, Gunnar Mildh, Bernard Smeets
  • Patent number: 9674740
    Abstract: Cooperating nodes, and methods therein, for mobility procedures in a wireless communication system supporting UE groups. One of the cooperating nodes is a base station being associated with a UE group comprising UEs having correlated mobility related parameters. The method in the base station comprises receiving, from a first UE in the UE group, a mobility related parameter associated with the first UE. The method further comprises determining whether to initiate a mobility related procedure for a second UE in the UE group based on the received mobility related parameter; and further comprises initiating the mobility related procedure for the second UE when it is determined that the mobility related procedure is to be performed. Thereby, prediction and decisions related to mobility events, e.g. handover events, for the second UE or for the whole group may be performed e.g.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: June 6, 2017
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Gino Luca Masini, Angelo Centonza, Mojgan Fadaki, Fredrik Gunnarsson, Gunnar Mildh, Oumer Teyeb, Stefan Wager
  • Publication number: 20170155475
    Abstract: The present invention relates to a method performed by a station of a wireless local area network for combining information from received frames. The method comprises receiving (420) a first frame from another station of the wireless local area network, and determining (430) a radio characteristic of the first frame. The method further comprises comparing (440) the radio characteristic of the first frame with a radio characteristic determined for a previously received second frame, and determining (450) whether to combine information from the first frame with information from the previously received second frame based on the comparison. When it is determined to combine the information, the method comprises combining (460) information from the first frame with information from the previously received second frame.
    Type: Application
    Filed: March 20, 2014
    Publication date: June 1, 2017
    Inventors: Anders Furuskär, Gunnar Mildh, Leif Wilhelmsson, Oscar Zee
  • Patent number: 9668285
    Abstract: The present invention relates to methods and apparatus for enabling an establishment of a connection between a wireless device and a core network via an access node of a standalone LTE RAN using an unlicensed frequency band. The method performed by the access node comprises transmitting a broadcast message in a cell served by the access node. The message indicates that the access node supports connectivity to at least one core network associated with another RAN than the standalone LTE RAN. The method also comprises receiving a request to attach from a wireless device in the cell, for establishing a secure connection for user data between the wireless device and a target core network via the access node. The method further comprises transmitting a request to a target core network node to establish the secure connection.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: May 30, 2017
    Assignee: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Zhan Zhang, Gen Li, Gunnar Mildh, Jinhua Liu, Dinand Roeland
  • Publication number: 20170150384
    Abstract: The disclosure relates to reporting measurements and in particular to relaxed measurement reporting when the wireless device is using multiple radio links for the control plane. The disclosure relates to methods of reporting measurement and of controlling reporting of measurements, as well as to devices and computer programs configured thereto. According to some aspects the disclosure relates to a method, performed in a wireless device in a wireless communication system, for reporting measurements.
    Type: Application
    Filed: April 30, 2015
    Publication date: May 25, 2017
    Inventors: Johan Rune, Icaro L. J. da Silva, Gunnar Mildh, Jari Vikberg, Pontus Wallentin
  • Patent number: 9661566
    Abstract: Methods and apparatus are provided for operating a network entity in a communications network. The communications network includes a radio access network including a base station serving a user equipment, and a wireless network including wireless access points. A set of available wireless access points are selected from the wireless access points based on network information associated with radio access network resources, core network part resources, and/or wireless network resources. Wireless access point information associated with the characteristics of the set of available wireless access points is generated for use by the user equipment to access the available wireless access points. The network entity transmits the wireless access point information via base station to the user equipment. The wireless access point information may include rules or conditions for use by the user equipment in determining an available wireless access point to access.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: May 23, 2017
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Tomas Hedberg, Jari Vikberg, Gunnar Mildh
  • Patent number: 9655010
    Abstract: Embodiments of the present disclosure provide a method for mobility management at a network management center. The method comprises indicating a target access node to a terminal device being served by a source access node, in response to determining that the terminal device needs to be handed over to the target access node. The method also comprises transmitting network-related context information of the terminal device to the target access node that receives terminal-related context information of the terminal device from the terminal device. By virtue of this method, the access node may be made with a simple and low cost structure; deployment of access nodes may be more flexible and handover of the terminal device may be more efficient.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: May 16, 2017
    Assignee: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Rui Fan, Gunnar Mildh, Qianxi Lu
  • Patent number: 9655138
    Abstract: In accordance with one embodiment of the present disclosure, a method of operating a relay node includes receiving information, at the relay node, information identifying a plurality of subframes. The subframes represent time periods during which a base station may grant the relay node permission to transmit to the base station on a first frequency. The method also involves selecting one of the identified subframes to be used for a transmission between the relay node and a wireless terminal on the first frequency and transmits to the wireless terminal a scheduling grant granting the wireless terminal permission to transmit information on the first frequency during the selected subframe.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: May 16, 2017
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Gunnar Mildh, Bogdan Timus, Jessica Östergaard, Peter Moberg
  • Patent number: 9642063
    Abstract: A user equipment, UE, (20) determines a mobility state of a Wi-Fi access point, AP, as one of a moving mobility state and a non-moving mobility state along with control information relating to UE cell (re-)selection and/or handover behavior based on the determined mobility state of the Wi-Fi access point, AP. The UE then controls its cell (re-)selection and/or handover behavior in relation to the Wi-Fi access point, AP based on the determined control information. In a preferred embodiment, the UE can communicate with a cellular base station, BS, and with the Wi-Fi access point, AP. The UE detects the Wi-Fi AP, determines that the Wi-Fi AP is moving based on a moving AP indication, and controls cell (re-Selection and/or handover behavior of the UE based on the determination that the Wi-Fi AP is moving along with other information.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: May 2, 2017
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Erik Westerberg, Muhammad Kazmi, Gunnar Mildh, Oumer Teyeb, Jari Vikberg
  • Patent number: 9615249
    Abstract: A method in a User Equipment (UE) of an Evolved Packet System (EPS) establishes a security key (K_eNB) for protecting Radio Resource Control/User Plane (RRC/UP) traffic exchanged with a serving eNodeB. The method comprises sending a Non-Access Stratum (NAS) Service Request to a Mobility Management Entity (MME), the request indicating a NAS uplink sequence number (NAS_U_SEQ). The method further comprises receiving an indication of the NAS_U_SEQ of the NAS Service Request sent to the MME, back from the MME via the eNodeB. The method further comprises deriving the K_eNB from at least the received indication of the NAS_U_SEQ and from a stored Access Security Management Entity-key (K_ASME) shared with said MME.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: April 4, 2017
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Rolf Blom, Gunnar Mildh, Karl Norrman