Patents by Inventor Christofer Lindheimer

Christofer Lindheimer 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: 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: 20190261251
    Abstract: A user equipment (14) is configured for use in a wireless communication system (10). The user equipment (14) is configured to receive system information (16) and a value tag (18) indicating a version of the system information (16). The value tag (18) is associated with a validity time period (20) for which the version of the system information (16) is deemed valid. The value tag (18) is one of multiple different possible value tags. At least two of the different possible value tags are respectively associated with different possible validity time periods.
    Type: Application
    Filed: March 23, 2018
    Publication date: August 22, 2019
    Inventors: Christofer Lindheimer, Pål Frenger
  • Patent number: 10375604
    Abstract: Embodiments presented in this disclosure relate to methods and apparatuses (such as Access Points (AP's), evolved NodeB's (eNB's), etc.) for use in aggregation, or integration, between a Wireless Wide Area Network (WWAN) and a Wireless Local Area Network (WLAN). In one embodiment, an eNB decides that an aggregation between the WWAN and the WLAN is to be performed for at least one bearer of one or more bearers associated with a specific UE. Next, the eNB identifies which one(s) of the at least one bearer of the specific UE that is/are to be aggregated between the WWAN and the WLAN. Also, the eNB schedules each one of the at least one bearer identified to be aggregated between the WWAN and the WLAN.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: August 6, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Jari Vikberg, Niklas Johansson, Christofer Lindheimer, Magnus Stattin, Oumer Teyeb
  • Patent number: 10368297
    Abstract: There is provided a method of operating a wireless communication device to facilitate selection among a set of two or more radio access networks, RANs, the wireless communication device being served by one of the RANs in the set, the method comprising receiving (1010) a network selection policy from a server; evaluating (1020) the network selection policy; and transmitting (1030) information indicating a result of the evaluation of the network selection policy to the RAN serving the wireless communication device.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: July 30, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Christofer Lindheimer, Gunnar Mildh, Håkan Persson, Stefan Rommer, Ivo Sedlacek, Oumer Teyeb
  • Patent number: 10342041
    Abstract: There is provided access to a communications channel in a wireless communications network. Stations (STAs) associated with an access point (AP) are grouped in at least two groups of STAs, each group being associated with a minimum transmission power level needed by the AP to communicate with the STAs in that group. A first time interval is allocated for a first group of STAs associated with highest minimum transmission power to access the communications channel concurrently with a third time interval being allocated by another AP for a third group of STAs associated with lowest minimum transmission power level needed by said another AP to communicate with the third group of STAs to access the communications channel.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: July 2, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (publ)
    Inventors: Leif Wilhelmsson, Guido Roland Hiertz, Dzevdan Kapetanovic, Christofer Lindheimer, Filip Mestanov, Thomas Nilsson, Eric Nordstrom, Hakan Persson, Johan Soder, Meng Wang
  • Patent number: 10321382
    Abstract: There is provided a method, performed by a network node, for steering of access between cells. The method comprises receiving, from user equipment, a report indicating failure to access a cell, also referred to as a rejecting cell, due to internal reasons of another network node, also referred to as a rejecting network node, serving the rejecting cell. The method also comprises steering the access of the user equipment between cells by modifying at least one offloading parameter and/or threshold based on the report indicating failure to access the rejecting cell due to internal reasons of the rejecting network node serving the rejecting cell. With this new type of report the network can modify offloading parameter(s) and/or threshold(s) in a more suitable way since the network has more information available.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: June 11, 2019
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Oumer Teyeb, Mattias Tan Bergström, Angelo Centonza, Christofer Lindheimer, Filip Mestanov
  • Publication number: 20190069162
    Abstract: A method of operating a network node in a communication network may include receiving a request from a first communication device. The request may be a request to associate a second communication device, and the request may include an identification for the second communication device. A definition of a service limitation for the second communication device may be received from the first communication device, and in response to the request from the first communication device, a network access credential may be provided for the second communication device. Communication for the second communication device may be provided in accordance with the definition of the service limitation using the network access credential. Related communication devices and network nodes are also discussed.
    Type: Application
    Filed: March 9, 2016
    Publication date: February 28, 2019
    Inventors: Christofer LINDHEIMER, Göran RUNE, Samy TOUATI
  • Patent number: 10212753
    Abstract: The present disclosure relates to a method performed in a radio communications network which is configured to enable multipath communication. The method comprises providing an explicit indication that a path within a multipath connection is a backup path prior to establishment on or handover to a radio link of the backup path, transmission of the explicit indication to the base station, where it is interpreted. This allows an early indication that the path is a backup path and allows the base station to handle and prioritise use of radio network resources and/or connection characteristics for the radio link. The explicit indication may be in the radio level signalling or in handover signalling.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: February 19, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Jari Vikberg, Christofer Lindheimer, Walter Müller
  • Publication number: 20180176842
    Abstract: The invention relates to methods, user equipments, computer programs, computer program products and carriers for access network selection between a first network and a second network. Said first and second networks comprise one or more access candidates. An access network selection procedure is performed for one or more access candidates of the second network, sequentially performing for the access candidates of the second network connection establishing attempts to one or more access candidates, by selecting a new access candidate from said one or more access candidates, and performing connection establishing attempts to said access candidate until a connection to the access candidate is established or a stop criterion for said access candidate is fulfilled.
    Type: Application
    Filed: February 20, 2018
    Publication date: June 21, 2018
    Inventors: Mattias Tan Bergstrom, Filip MESTANOV, Oumer TEYEB, Christofer LINDHEIMER
  • Patent number: 9967233
    Abstract: A method of operation of a network of WLAN access points comprises establishing a first WLAN access point (APa) having a first coverage area; and establishing a plurality of second WLAN access points (AP1, . . . , AP7) having respective second coverage areas, such that the second access points provide traffic connections for at least one communications device in at least one of the respective second coverage areas; wherein the first coverage area overlaps the plurality of second coverage areas, and wherein the first WLAN access point provides control information for the at least one communications device.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: May 8, 2018
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Guido Hiertz, Christofer Lindheimer, Stephen Rayment
  • Publication number: 20180092003
    Abstract: A network node and a method performed in a network node of a cellular communication network comprising the steps of obtaining an indicator to secure a traffic availability for a connection, wherein the traffic availability is related to how likely the connection will remain operable, determining whether the network node can secure resources to support the traffic availability, allocating resources for the connection when resources can support the traffic availability, and transmitting a positive response when the network node can secure resources to support the traffic availability.
    Type: Application
    Filed: March 9, 2016
    Publication date: March 29, 2018
    Inventors: Christofer LINDHEIMER, Jari VIKBERG
  • Publication number: 20180049077
    Abstract: There is provided a method performed by an Access Point, AP, 100; 200; 300; 400 in a Wireless Local Area Network, WLAN, comprising a plurality of APs. The method comprises the step of providing a wireless communication device 1000; 2000; 3000; 4000 served by said AP (100; 200; 300; 400) with deployment information relevant to said WLAN to enable said wireless communication device 1000; 2000; 3000; 4000 to decide, based at least partially on the deployment information, whether to initiate a scan for a different AP in the WLAN to connect to. A corresponding Access Point and computer program is also provided. It is further disclosed a method performed by a wireless communication device 1000, 2000, 3000, 4000, served by an Access Point, AP, 100; 200; 300; 400 in a Wireless Local Area Network, WLAN, comprising a plurality of AP:s. The method comprises the step of obtaining deployment information relevant to the WLAN.
    Type: Application
    Filed: January 7, 2016
    Publication date: February 15, 2018
    Inventors: Filip Mestanov, Guido Hiertz, Christofer Lindheimer
  • Patent number: 9871723
    Abstract: There is provided method and devices for handling multi path routing of data packets. The method comprises the step S1 of establishing a multi path connection with a target network node, the multi path connection comprising a plurality of paths over which data packets can be transmitted to the target network node. The method also comprises the step S2 of obtaining information relating to the quality of the plurality of paths and the step S3 of determining, based on the obtained information, whether a path in the plurality of paths has been disconnected or is about to be disconnected. The method also comprises the step S4 of activating at least one substitution path if it is determined that a path in the plurality of paths have been disconnected or is about to be disconnected, to enable transmission of data packets intended to be transmitted on the disconnected path, or the path about to be disconnected, over the activated substitution path.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: January 16, 2018
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Oumer Teyeb, Niklas Johansson, Christofer Lindheimer, Patrik Rugeland, Magnus Stattin, Jari Vikberg
  • Patent number: 9866557
    Abstract: The embodiments herein relate to a method performed by an AAA server (103) for enabling authorization of a wireless device (101) to access a first network (100a) while simultaneously accessing a second network (100b) which the wireless device (101) is currently accessing. The AAA server (103) determines that the wireless device (101) requests access to the first network (100a). The AAA server (103) transmits, to a HLR (105), information associated with the first network (100a). The AAA server (103) receives, from the HLR (105), network profile data associated with the wireless device (101). Based on the received information, the AAA server (103) authorizes the wireless device (101) to access the first network (100a).
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: January 9, 2018
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Christofer Lindheimer, Jari Vikberg, Ruben Cantano Requena, Ping Chen
  • Publication number: 20170318484
    Abstract: A method of handling multipath connections in a Public Land Mobile Network (PLMN). The method comprising the steps of determining within the PLMN that a path, established across the PLMN, is a backup path of a multipath connection and providing an explicit indication to one or more nodes within the PLMN that the path is a backup path using a protocol layer that is otherwise unaware of the multipath connection. The method further comprises the step of, at the or each notified node, applying a handling to the path that is differentiated from the handling of non-backup paths.
    Type: Application
    Filed: October 30, 2014
    Publication date: November 2, 2017
    Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Christofer LINDHEIMER, Jari VIKBERG
  • Publication number: 20170318507
    Abstract: The present disclosure relates to a method performed in a radio communications network which is configured to enable multipath communication. The method comprises providing an explicit indication that a path within a multipath connection is a backup path prior to establishment on or handover to a radio link of the backup path, transmission of the explicit indication to the base station, where it is interpreted. This allows an early indication that the path is a backup path and allows the base station to handle and prioritise use of radio network resources and/or connection characteristics for the radio link. The explicit indication may be in the radio level signalling or in handover signalling.
    Type: Application
    Filed: October 30, 2014
    Publication date: November 2, 2017
    Inventors: Jari VIKBERG, Christofer LINDHEIMER, Walter MÜLLER
  • Publication number: 20170318501
    Abstract: Embodiments presented in this disclosure relate to methods and apparatuses (such as Access Points (AP's), evolved NodeB's (eNB's), etc.) for use in aggregation, or integration, between a Wireless Wide Area Network (WWAN) and a Wireless Local Area Network (WLAN). In one embodiment, an eNB decides that an aggregation between the WWAN and the WLAN is to be performed for at least one bearer of one or more bearers associated with a specific UE. Next, the eNB identifies which one(s) of the at least one bearer of the specific UE that is/are to be aggregated between the WWAN and the WLAN. Also, the eNB schedules each one of the at least one bearer identified to be aggregated between the WWAN and the WLAN.
    Type: Application
    Filed: November 4, 2014
    Publication date: November 2, 2017
    Inventors: Jari VIKBERG, Niklas JOHANSSON, Christofer LINDHEIMER, Magnus STATTIN, Oumer TEYEB
  • Publication number: 20170257816
    Abstract: There is provided a method, performed by a network node, for steering of access between cells. The method comprises receiving, from user equipment, a report indicating failure to access a cell, also referred to as a rejecting cell, due to internal reasons of another network node, also referred to as a rejecting network node, serving the rejecting cell. The method also comprises steering the access of the user equipment between cells by modifying at least one offloading parameter and/or threshold based on the report indicating failure to access the rejecting cell due to internal reasons of the rejecting network node serving the rejecting cell. With this new type of report the network can modify offloading parameter(s) and/or threshold(s) in a more suitable way since the network has more information available.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 7, 2017
    Inventors: Oumer Teyeb, Mattias Tan Bergström, Angelo Centonza, Christofer Lindheimer, Filip Mestanov
  • Publication number: 20170245143
    Abstract: The proposed technology generally relates to wireless communication, and more specifically to a method for generating an identifier for a wireless device (30), a method for identifying a wireless device (30) in a wireless communication environment, a method for assisting in the exchange of information for a wireless device (30) between at least two different types of wireless networks such as a WLAN (10) and a cellular network (20), a method for linking context information of a wireless device (30) between different types of wireless networks, and a method for supporting access selection and/or mobility decision in a wireless communication environment, as well as corresponding systems, apparatuses, communication devices, network nodes, computer programs, and computer program products.
    Type: Application
    Filed: October 9, 2014
    Publication date: August 24, 2017
    Inventors: Christofer Lindheimer, Filip Mestanov, Oumer Teyeb
  • Patent number: 9693332
    Abstract: There is provided a method of enabling identification of a wireless device in a wireless communication environment, the wireless device being attached to a cellular radio communication network. The method comprises the step of the wireless device sending, to a network node in a Wireless Local Area Network, WLAN, an identifier of the wireless device valid in the cellular radio communication network before or when contacting the WLAN for association of the wireless device in the WLAN. The identifier of the wireless device valid in the cellular radio communication network is signaled in a WLAN message to the network node in the WLAN.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: June 27, 2017
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Christofer Lindheimer, Filip Mestanov, Oumer Teyeb