Patents by Inventor Marcus IHLAR

Marcus IHLAR 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: 20260163954
    Abstract: A computer-implemented method, performed by a first node. The method is for handling information in a communications system. The first node operates in a communications system. The first node obtains, directly, or indirectly, from a second node operating in the communications system, information. The information corresponds to a subscriber linked to a device operating in the communications system. The information indicates a third node operating in the communications system having a capability to expose one or more services available at the communications system. The information further indicates at least a subset of the one or more services, allowed in the communications system to the subscriber. The first node provides the obtained information towards the device.
    Type: Application
    Filed: November 10, 2021
    Publication date: June 11, 2026
    Inventors: Miguel Angel MUN˜OZ DE LA TORRE ALONSO, Marcus IHLAR, Zaheduzzaman SARKER
  • Publication number: 20260142946
    Abstract: Enabling dual-proxy relays in a communications network. The method includes transmitting from a second proxy node to a network exposure node a request for configuring a dual-proxy relay; transmitting from the network exposure node to a user data repository node at least one of an identifier and a network address information of the second proxy node; receiving at a policy control node from the user data repository node subscription data for the dual-proxy relay; transmitting from the policy control node to a session management node policy data for the dual-proxy relay; transmitting to a first proxy node user plane control data for the dual-proxy relay; determining that user plane traffic is traffic pertaining to the dual-proxy relay based on the received user plane control data; and transmitting from the first proxy node to the second proxy node the user plane traffic.
    Type: Application
    Filed: August 29, 2022
    Publication date: May 21, 2026
    Inventors: Marcus IHLAR, Maria Luisa MAS ROSIQUE, Miguel Angel MUÑOZ DE LA TORRE ALONSO
  • Patent number: 12587307
    Abstract: Transmission of a data flow in bursts for transport in a wireless communication network towards a wireless device served by a radio network node of said wireless communication network. Device(s) obtains a communication quality indicator indicating communication quality between the radio network node and the wireless device, which communication quality is relevant for provision of the data flow to the wireless device. Said device(s) initiates provision of said data flow to the wireless device with said bursts based on the obtained communication quality indicator.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: March 24, 2026
    Assignee: Telefonaktiebolaget LM Ericsson
    Inventors: Ala Nazari, John Orre, Marcus Ihlar, Robert Skog
  • Patent number: 12556618
    Abstract: Arrangements for handling delivery of content associated with a network-delivered service to user equipments, UEs, in a wireless communication network. The method includes transmitting a connection request message to a content delivery server for establishing a secure tunnel connection between the network function and the content delivery server. The connection request message has an identifier of the network function, intended to the content delivery server. The method includes transmitting a content request message from a first UE to the content delivery server requesting content associated with the network-delivered service. The method includes receiving a delivery request from the content delivery server requesting the network function to store and deliver the content from the network function. The method further includes forwarding the content to the first UE through a secure tunnel connection between the network function and the first UE.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: February 17, 2026
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Marcus Ihlar, Robert Skog
  • Publication number: 20260019458
    Abstract: Methods and apparatus are provided for content delivery. In one aspect, a method of receiving content in a device comprises sending a first request for content to a first network node. The device then receives a response from the first network node that indicates a content delivery network and a data transfer policy. In this aspect the first network node is not part the of the content delivery network. The method also includes sending a second request for the content to the content delivery network, wherein the second request indicates the data transfer policy. The device then receives the content from the content delivery network according to the data transfer policy. The content is received at a lower quality than what is available from the content delivery network and what the device is capable of selecting.
    Type: Application
    Filed: September 19, 2025
    Publication date: January 15, 2026
    Inventors: Robert SKOG, Marcus IHLAR, Thorsten LOHMAR
  • Publication number: 20250317402
    Abstract: There is provided a method for performing Maximum Transmission Unit size enforcement. The method comprises: receiving at a first node, a first Maximum Transmission Unit size threshold and at least one Packet Detection Rule associated with the first Maximum Transmission Unit size threshold, each of the at least one Packet Detection Rule being associated with one or more enforcement actions for a Protocol Data Unit session; determining at the first node, whether the size of a packet received from a network host exceeds the first Maximum Transmission Unit size threshold; and performing at the first node, an action corresponding to the at least one Packet Detection Rule associated with the first Maximum Transmission Unit size threshold if it is determined that the size of the packet exceeds the first Maximum Transmission Unit size threshold.
    Type: Application
    Filed: May 11, 2022
    Publication date: October 9, 2025
    Inventors: Marcus Ihlar, Miguel Angel Muñoz De La Torre Alonso
  • Patent number: 12432284
    Abstract: A method by a virtual network device in a virtualized network to support shared caching in the virtualized network. The method includes receiving a request message for content, determining whether the content is available in a shared virtual cache, wherein the shared virtual cache is shared by a plurality of virtual network devices in the virtualized network, obtaining the content from an upstream network device in response to a determination that the content is not available in the shared virtual cache, storing the content in the shared virtual cache to make the content available to the plurality of virtual network devices, and sending a response message containing the content towards an originator of the request message for the content.
    Type: Grant
    Filed: July 10, 2021
    Date of Patent: September 30, 2025
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Börje Ohlman, Anders E Eriksson, Marcus Ihlar
  • Patent number: 12425463
    Abstract: Methods and apparatus are provided for content delivery. In one aspect, method of receiving content in a device comprises sending a request for the content to a first network node, receiving a redirection instruction from the first network node, wherein the redirection instruction indicates a content delivery network and indicates a data transfer policy, sending a request for the content to the content delivery network, wherein the request indicates the data transfer policy, and receiving data associated with the content from the content delivery network according to the data transfer policy.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: September 23, 2025
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Robert Skog, Marcus Ihlar, Thorsten Lohmar
  • Patent number: 12389466
    Abstract: A method of enabling the core network to determine the RAT type in a dual connection non-standalone configuration. The RAT type is either embedded in the GTP-U header by the RAN which is then extracted by the PGW-U or it is derived by the PGW-U by using a Reinforcement Language Agent activated by the SPR, through the PCRF and the PGW-C.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: August 12, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Veronica Sanchez Vega, Marcus Ihlar, Miguel Angel Muñoz De La Torre Alonso
  • Patent number: 12381799
    Abstract: Method and device(s) for supporting estimation of latency over a communication path in a communication network between a data flow shaping node, providing a data flow in bursts towards a data flow target node, and a probe node. The devices(s) initiate to transmit, by the data flow shaping node, a sample burst being a burst of said bursts that differs in a predefined manner from preceding and subsequent bursts so that the data flow target node in response to the sample burst transmits a certain pattern of acknowledgement packets that differs compared to patterns of acknowledgement packets transmitted by the data flow target node in response to said preceding and subsequent bursts. The device(s) initiates to identify, by the probe node, receipt of potential acknowledgement packets according to said certain pattern.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: August 5, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Marcus Ihlar, Robert Skog
  • Publication number: 20250212268
    Abstract: A method in a wireless communication system for service continuity between a user equipment, UE, based client application and a server, the connection comprising an edge application server, the connection further comprising a first local user plane proxy function and a user plane tunnel connection between the UE based client and the first user plane proxy function, the user plane tunnel connection further comprising a first source internet protocol, IP, address, the method comprising: inserting (910) a second user plane function between the UE based client and the server, providing (920) a second source IP address for uplink, UL, data packets, wherein the second source IP address is different from the first source IP address; forwarding UL (930) data packets from the second user plane function to the first user plane proxy function, wherein the first source IP address is replaced with the second source IP address; initiating (940) a path change procedure between the UE based client and the first user plane pr
    Type: Application
    Filed: March 31, 2023
    Publication date: June 26, 2025
    Inventors: Attila Mihály, Mirja KUEHLEWIND, Marcus Ihlar, Magnus Westerlund
  • Publication number: 20250168077
    Abstract: Methods for a network data analytics function (NWDAF) of a communication network. Such methods include receiving, from user plane function (UPF) of the communications network, a first subscription request for an analytic related to user plane (UP) traffic congestion and sending to the UPF a second subscription request for information related to traffic between the UPF and a radio access network (RAN). Such methods also include receiving the traffic-related information from the UPF, in accordance with the second subscription request, and computing the analytic related to UP traffic congestion, based on the received traffic-related information. Such methods also include sending the computed analytic to the UPF, in accordance with the first subscription request. Embodiments also include complementary methods for UPFs, as well as NWDAFs and UPFs configured to perform such methods.
    Type: Application
    Filed: January 18, 2023
    Publication date: May 22, 2025
    Inventors: Miguel Angel MUÑOZ DE LA TORRE ALONSO, Marcus IHLAR, Gonzalo HERNANDEZ HARO, Maria Luisa MAS ROSIQUE
  • Patent number: 12302091
    Abstract: A method for deactivating Server Name Indication, SNI, encryption in a telecommunication network, wherein said telecommunication network comprises a Domain Name System, DNS, server, said method comprising the steps of receiving, by said DNS server, from a User Equipment, UE, a DNS query comprising a Domain Name to be converted to an Internet Protocol, IP, address, determining, by said DNS server, that SNI encryption is to be deactivated for subsequent traffic associated with said Domain Name, forwarding, by said DNS server, said DNS query to an external DNS server, wherein said DNS query comprises said Domain Name and a request for deactivating SNI encryption, receiving, by said DNS server, from said external DNS server, a DNS answer, wherein said DNS answer comprises said converted IP address and wherein said DNS answer is free from encryption keys for encrypting SNI and forwarding, by said DNS server, said DNS answer comprising said converted IP address to said UE, wherein said DNS answer is free from encry
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: May 13, 2025
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Miguel Angel Muñoz De La Torre Alonso, Maria Luisa Mas Rosique, Marcus Ihlar
  • Publication number: 20250030640
    Abstract: The present disclosure relates to a method of monitoring congestion for incoming data packets and a device (10) performing the method. In a first aspect, a method of a device (10) configured to monitor congestion for incoming data packets is provided. The method comprises determining (S101) whether or not a bit rate of incoming data packets indicated to be sent from a node (11) capable of scalable congestion control exceeds a predetermined bit rate threshold value being lower than a maximum allowable bit rate of outgoing data packets from the device (10); and if so selectively marking (S102) the outgoing data packets as being subjected to congestion, wherein the marking is performed by less frequently marking outgoing data packets having a bit rate closer to the predetermined bit rate threshold value and more frequently marking outgoing data packets having a bit rate closer to the maximum allowable bit rate.
    Type: Application
    Filed: November 19, 2021
    Publication date: January 23, 2025
    Inventors: Marcus Ihlar, Robert Skog
  • Publication number: 20250016244
    Abstract: Arrangements for handling delivery of content associated with a network-delivered service to user equipments, UEs, in a wireless communication network. The method includes transmitting a connection request message to a content delivery server for establishing a secure tunnel connection between the network function and the content delivery server. The connection request message has an identifier of the network function, intended to the content delivery server. The method includes transmitting a content request message from a first UE to the content delivery server requesting content associated with the network-delivered service. The method includes receiving a delivery request from the content delivery server requesting the network function to store and deliver the content from the network function. The method further includes forwarding the content to the first UE through a secure tunnel connection between the network function and the first UE.
    Type: Application
    Filed: October 28, 2021
    Publication date: January 9, 2025
    Inventors: Marcus IHLAR, Robert SKOG
  • Publication number: 20240430347
    Abstract: Embodiments of the invention provide methods, apparatus, and media to perform selective QUIC datagram payload retransmission. In one embodiment, a method is performed by a proxy network device that is on a path between a first and a second peer network device. The method includes determining, for an end-to-end packet-based traffic flow between the first and second peer network devices, a first duration to perform traffic forwarding between the first peer network device and the proxy network device, and a second duration to perform traffic forwarding between the proxy network device and the second peer network device. The method further includes, based on the first and second durations, causing retransmission of an end-to-end packet embedded as a pay load of a QUIC datagram, where the end-to-end packet was previously transmitted between the first peer network device and the proxy network device.
    Type: Application
    Filed: October 18, 2021
    Publication date: December 26, 2024
    Inventors: Marcus IHLAR, Magnus WESTERLUND, Miguel Angel Muñoz De La Torre Alonso, Mirja KUEHLEWIND, Zaheduzzaman Sarker
  • Patent number: 12177718
    Abstract: The present disclosure relates to techniques for shaping video data traffic in a packet switched communications transport network. In some embodiments, a device determines a cell load level associated with a base station node that is representative of a data traffic load of a cell of the base station node. The device sets, based at least on the determined cell load level associated with the base station, one or more burst transmission parameters for video data transmitted by a traffic shaping node to the base station node. The device transmits video data to the base station node using the set one or more burst transmission parameters, wherein transmitting video data occurs in one or more burst transmissions that each include a plurality of packets that include video data.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: December 24, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Deyang Chen, Marcus Ihlar, Robert Skog, Ruizhao Wu
  • Publication number: 20240414212
    Abstract: A method performed by a policy node for handling policies related to a radio device in a communications network is provided. The radio device supporting proxy server functionality. During a session establishment of the radio device, the policy node determines (602) that obtained policies related to the radio device comprises one or more rules. The respective one or more rules comprises any one or more out of: An application descriptor related to the one or more rules, and a domain descriptor related to the one or more rules. The policy node determines (605), based on received capability information, that the radio device is not aware of any or more one out of an application and a domain, and that the radio device supports proxy server functionality. The policy node handles the policies related to the radio device by activating (606) a proxy server in the radio device by sending a message to the radio device.
    Type: Application
    Filed: October 21, 2021
    Publication date: December 12, 2024
    Inventors: Miguel Angel Muñoz De La Torre Alonso, Marcus IHLAR, Attila MIHÁLY, Mirja KUEHLEWIND
  • Patent number: 12149423
    Abstract: Method and device(s) for supporting estimation of latency over a communication path in a communication network between a data flow shaping node and a probe node. The communication path comprising a data flow target node configured to receive a data flow from a data flow source node via the communication path. The data flow shaping node being configured to provide the data flow in bursts towards the data flow target node. The device(s) initiate to identify a suitable burst interval being a burst interval for which the probe node receives no potential acknowledgement packets during a predefined quiescent period, associated with the suitable burst interval, that covers an end portion of the suitable burst interval and/or a begin portion of a subsequent burst interval.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: November 19, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Marcus Ihlar, Robert Skog
  • Patent number: 12101663
    Abstract: A technique for handling data traffic in a core network domain of a communication network is described. An apparatus comprised by the technique is configured to be located in the core network domain and to receive data traffic sent under control of a transport layer protocol that is configured to apply a congestion control algorithm, CCA. The apparatus is further configured to analyze the data traffic to obtain a data traffic analyzation result, to obtain, based on the analyzation result, CCA information about the CCA that can be or is applied by the transport layer protocol, and to perform a traffic handling action for the data traffic taking into account the obtained CCA information.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: September 24, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Marcus Ihlar, Maria Luisa Mas Rosique, Veronica Sanchez Vega, Miguel Angel Muñoz De La Torre Alonso