Patents by Inventor Rasmus AXÉN
Rasmus AXÉN 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).
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Patent number: 11758443Abstract: According to an aspect, there is provided a method of operating a first radio access node in a communication network, the method comprising determining (601) whether a first base key that is used to determine a first encryption key for encrypting communications between a communication device and the first radio access node can be used by a second radio access node for determining a second encryption key for encrypting communications between the communication device and the second radio access node; and if the first base key can be used by the second radio access node, sending (603) the first base key to the second radio access node during handover of the communication device from the first radio access node to the second radio access node.Type: GrantFiled: November 30, 2020Date of Patent: September 12, 2023Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Rasmus Axén, Karl Norrman
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Patent number: 11659598Abstract: Method of performing a random access procedure between a User Equipment, UE, and a radio access network, wherein two access nodes comprise different sets of signature sequences, wherein said signature sequences are used, by said access nodes, to differentiate requests coming from different UEs, said method comprising the steps of receiving a random access request from said UE, wherein said random access request comprises a signature sequence, determining that said random access request is intended for said first radio access node based on said signature sequence comprised by said request, receiving, from a second access node, said random access request, thereby indicating that said second radio access node has also received said random access request from said UE, and sending a response based on said received random access request from said UE and based on said random access request received from said second radio access node.Type: GrantFiled: April 19, 2021Date of Patent: May 23, 2023Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Rasmus Axén, Mehdi Amirijoo, Håkan Axelsson, Walter Müller, Paul Schliwa-Bertling
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Patent number: 11622396Abstract: A method of setting up a wireless connection for a communication device. The method is performed in a network node and comprises receiving, from the communication device, a service request, the request comprising a destination identifier of a destination providing a service, and configuring, based on the destination identifier, the communication device for one of: multi-connectivity and single-connectivity.Type: GrantFiled: June 16, 2021Date of Patent: April 4, 2023Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Stefan Johansson, Rasmus Axén
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Patent number: 11399325Abstract: In one aspect, a network (e.g., a TRP) (150) uses handover triggering information to detect whether a handover triggering condition is present before a radio link fails, and initiates a handover upon detecting the handover triggering condition. In another aspect, a target TRP (152) is provided with beam generating information that enables the target TRP (152) to produce a high-gain beam for use in communicating with a UE (101) without having to perform a beam refinement procedure.Type: GrantFiled: October 6, 2017Date of Patent: July 26, 2022Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Walter Müller, Rasmus Axén, Carola Faronius
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Patent number: 11277761Abstract: A technique for determining signal quality of a radio access network, RAN, (502) comprising a plurality of transmission-reception points, TRxPs (504), is described. A method aspect of the technique comprises or initiates receiving a control message for determining the signal quality based on a measurement of a reference signal (516.21) from a second TRxP (504.4) at a radio resource. The control message is indicative of the radio resource for the reference signal relative to a synchronization signal (512.1) from a first TRxP (504.1; 504.2; 504.3) other than the second TRxP.Type: GrantFiled: January 9, 2020Date of Patent: March 15, 2022Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Rasmus Axén, Walter Müller
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Publication number: 20220070715Abstract: According to an aspect, one or more network nodes of a wireless communication system sends, to a wireless device operating in the wireless communication system, mobility reference signal (MRS) configuration information, the MRS configuration information specifying one or more parameters for each of a plurality of MRS configurations. The network node subsequently sends, to the wireless device, an activation command indicating that at least a first one of the MRS configurations is to be used by the wireless device, the activation command including an index identifying the first one of the MRS configurations from among the plurality of MRS configurations. The wireless device receives the MRS configuration information and the activation command. The wireless device searches for at least one MRS specified by the first one of the MRS, responsive to the activation command and performs at least one measurement on the at least one MRS.Type: ApplicationFiled: November 11, 2021Publication date: March 3, 2022Inventors: Osman Nuri Can Yilmaz, Rasmus Axén, Rui Fan, Stefan Wager
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Patent number: 11202219Abstract: According to an aspect, one or more network nodes of a wireless communication system sends, to a wireless device operating in the wireless communication system, mobility reference signal (MRS) configuration information, the MRS configuration information specifying one or more parameters for each of a plurality of MRS configurations. The network node subsequently sends, to the wireless device, an activation command indicating that at least a first one of the MRS configurations is to be used by the wireless device, the activation command including an index identifying the first one of the MRS configurations from among the plurality of MRS configurations. The wireless device receives the MRS configuration information and the activation command. The wireless device searches for at least one MRS specified by the first one of the MRS, responsive to the activation command and performs at least one measurement on the at least one MRS.Type: GrantFiled: February 10, 2020Date of Patent: December 14, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Osman Nuri Can Yilmaz, Rasmus Axén, Rui Fan, Stefan Wager
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Publication number: 20210315028Abstract: A method of setting up a wireless connection for a communication device. The method is performed in a network node and comprises receiving, from the communication device, a service request, the request comprising a destination identifier of a destination providing a service, and configuring, based on the destination identifier, the communication device for one of: multi-connectivity and single-connectivity.Type: ApplicationFiled: June 16, 2021Publication date: October 7, 2021Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Stefan JOHANSSON, Rasmus AXÉN
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Patent number: 11122639Abstract: A technique for providing multiple connectivity to a terminal device by at least a first Radio Access Network, RAN entity and a second RAN entity is disclosed. The first RAN entity serves as a control plane anchor and the split bearer will be anchored at the second RAN entity. The method comprises triggering, by the first RAN entity, the second RAN entity to set up the split bearer on the user plane. The split bearer comprises at least a first bearer leg from the second RAN entity via the first RAN entity to the terminal device and a second bearer leg from the second RAN entity to the terminal device without going through the first RAN entity.Type: GrantFiled: October 17, 2016Date of Patent: September 14, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Håkan Axelsson, Rasmus Axén, Rui Fan, Stefan Johansson, Paul Schliwa-Bertling
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Publication number: 20210259023Abstract: Method of performing a random access procedure between a User Equipment, UE, and a radio access network, wherein two access nodes comprise different sets of signature sequences, wherein said signature sequences are used, by said access nodes, to differentiate requests coming from different UEs, said method comprising the steps of receiving a random access request from said UE, wherein said random access request comprises a signature sequence, determining that said random access request is intended for said first radio access node based on said signature sequence comprised by said request, receiving, from a second access node, said random access request, thereby indicating that said second radio access node has also received said random access request from said UE, and sending a response based on said received random access request from said UE and based on said random access request received from said second radio access node.Type: ApplicationFiled: April 19, 2021Publication date: August 19, 2021Inventors: Rasmus Axén, Mehdi Amirijoo, Håkan Axelsson, Walter Müller, Paul Schliwa-Bertling
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Publication number: 20210204182Abstract: In one aspect, a network (e.g., a TRP) (150) uses handover triggering information to detect whether a handover triggering condition is present before a radio link fails, and initiates a handover upon detecting the handover triggering condition. In another aspect, a target TRP (152) is provided with beam generating information that enables the target TRP (152) to produce a high-gain beam for use in communicating with a UE (101) without having to perform a beam refinement procedure.Type: ApplicationFiled: October 6, 2017Publication date: July 1, 2021Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Walter MÜLLER, Rasmus AXÉN, Carola FARONIUS
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Patent number: 11044767Abstract: A method of setting up a wireless connection for a communication device. The method is performed in a network node and comprises receiving, from the communication device, a service request, the request comprising a destination identifier of a destination providing a service, and configuring, based on the destination identifier, the communication device for one of: multi-connectivity and single-connectivity.Type: GrantFiled: June 22, 2017Date of Patent: June 22, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Stefan Johansson, Rasmus Axén
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Patent number: 11013037Abstract: Method of performing a random access procedure between a User Equipment, UE, and a radio access network, wherein two access nodes comprise different sets of signature sequences, wherein said signature sequences are used, by said access nodes, to differentiate requests coming from different UEs, said method comprising the steps of receiving a random access request from said UE, wherein said random access request comprises a signature sequence, determining that said random access request is intended for said first radio access node based on said signature sequence comprised by said request, receiving, from a second access node, said random access request, thereby indicating that said second radio access node has also received said random access request from said UE, and sending a response based on said received random access request from said UE and based on said random access request received from said second radio access node.Type: GrantFiled: July 26, 2019Date of Patent: May 18, 2021Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Rasmus Axén, Mehdi Amirijoo, Håkan Axelsson, Walter Müller, Paul Schliwa-Bertling
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Patent number: 11012897Abstract: According to an aspect, there is provided a method of operating a first radio access node in a communication network, the method comprising determining whether a first base key that is used to determine a first encryption key for encrypting communications between a communication device and the first radio access node can be used by a second radio access node for determining a second encryption key for encrypting communications between the communication device and the second radio access node; and if the first base key can be used by the second radio access node, sending the first base key to the second radio access node during handover of the communication device from the first radio access node to the second radio access node.Type: GrantFiled: September 20, 2016Date of Patent: May 18, 2021Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Rasmus Axén, Karl Norrman
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Publication number: 20210084544Abstract: According to an aspect, there is provided a method of operating a first radio access node in a communication network, the method comprising determining (601) whether a first base key that is used to determine a first encryption key for encrypting communications between a communication device and the first radio access node can be used by a second radio access node for determining a second encryption key for encrypting communications between the communication device and the second radio access node; and if the first base key can be used by the second radio access node, sending (603) the first base key to the second radio access node during handover of the communication device from the first radio access node to the second radio access node.Type: ApplicationFiled: November 30, 2020Publication date: March 18, 2021Inventors: Rasmus Axén, Karl Norrman
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Patent number: 10939306Abstract: A method and radio access node for controlling beam transmission from a radio access node. The method identifies a number of user equipment (UEs) associated with a same beam set and groups the identified UEs into one or more corresponding groups. The method assigns a same discontinuous reception (DRX) phase to the UEs in each corresponding group, and coordinates transmission from the beam set to UEs in the one or more corresponding groups based on the assigned DRX phase.Type: GrantFiled: December 23, 2015Date of Patent: March 2, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Walter Müller, Rasmus Axén, Thomas Walldeen, Patrik Karlsson
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Patent number: 10849044Abstract: A method of multi-connectivity handling in a communication system is disclosed. The method may be performed in a first network node and comprises: generating a data protocol packet destined to a communication device, and including in the data protocol packet at least one identifier identifying data protocol processing context and the first network node. Methods in a second network node and in a communication device are also disclosed, as are first and second network nodes, communication device, computer programs and computer program products.Type: GrantFiled: November 20, 2018Date of Patent: November 24, 2020Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Karl Norrman, Rui Fan, Johan Rune, Gunnar Mildh, Rasmus Axén, Qingyu Miao
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Patent number: 10757678Abstract: According to certain embodiments, a method by a first network node is provided for enabling paging of a user equipment (UE) in an inactive state. The method includes the first network node receiving a UE identity index value for the UE while the UE is in a connected state or during an initial context setup for the UE. The UE identity index value is stored. The method further includes transitioning the UE from the connected state to an inactive state and using the UE identity index value that was stored while the UE was in the connected state to initiate a transmission of a page to the UE in the inactive state.Type: GrantFiled: November 1, 2017Date of Patent: August 25, 2020Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Markus Drevö, Rasmus Axén, Paul Schliwa-Bertling, Gunnar Mildh
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Patent number: 10757633Abstract: The present disclosure relates to a network node, a network control node, a wireless device and corresponding methods for optimized broadcasting of system information messages in a wireless network. The disclosure proposes a method, performed in a wireless device, of assessing system information perception capability in a wireless network that is arranged to broadcast system information on at least two frequency carriers. The method comprises receiving (S10) broadcasted system information on the at least two frequency carriers. The method also comprises determining (S12), using the received broadcasted system information, frequency carrier identity correlated information for each of the at least two frequency carriers. The method further comprises reporting (S14) receipt of the broadcasted system information on the at least two frequency carriers, wherein the report includes the frequency carrier identity correlated information.Type: GrantFiled: October 21, 2015Date of Patent: August 25, 2020Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Patrik Karlsson, Ulf Eric Andretzky, Rasmus Axén, Tomas Nylander, Per-Daniel Stålnacke, Thomas Walldeen
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Publication number: 20200221515Abstract: A method of setting up a wireless connection for a communication device. The method is performed in a network node and comprises receiving, from the communication device, a service request, the request comprising a destination identifier of a destination providing a service, and configuring, based on the destination identifier, the communication device for one of: multi-connectivity and single-connectivity.Type: ApplicationFiled: June 22, 2017Publication date: July 9, 2020Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Stefan JOHANSSON, Rasmus AXÉN