Patents by Inventor Jan Backman
Jan Backman 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: 11849364Abstract: An Access and Mobility Management Function (AMF) adapted for taking part in handover from a 5G system (5GS) to an Evolved Packet System (EPS).Type: GrantFiled: August 24, 2022Date of Patent: December 19, 2023Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Stefan Rommer, Jan Backman, Qian Chen, Göran Hall, Åsa Larsen
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Publication number: 20230354149Abstract: The disclosure relates to a method executed in a domain name system (DNS) proxy, and to a DNS proxy, apparatus or system for application server (AS) discovery for edge computing in a mobile network. The method comprises receiving a DNS query from a user equipment (UE) with an application fully qualified domain name (FQDN). Based on FQDN, retrieving a location of the UE that sent the DNS query; adding subnet(s) or full IP address(es) of one or more preferred location for accessing to a data network (DN) as one or more Extension mechanisms for DNS (EDNS) client subnet (ECS) options in the DNS query; forwarding the DNS query to a mobile network operator (MNO) DNS; receiving a DNS response and based on the DNS response determining an AS site and AS IP address(es); requesting traffic steering and sending the DNS response to the UE.Type: ApplicationFiled: October 5, 2020Publication date: November 2, 2023Inventors: Wenliang XU, Maria Luisa MAS ROSIQUE, Attila MIHÁLY, Jan BACKMAN
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Publication number: 20230337056Abstract: A Session Management Function, SMF, (650) determines that a first data path for a Packet Data Unit, PDU, session between an application client (611) and a first edge application server, EAS, (681) should be relocated from a first local PDU session anchor, PSA, (631) and a first uplink classifier and branching point, ULCL/BP, (621) to a second PSA (632) and a second ULCL/BP (622). Further, the SMF (650) determines an edge client subnet, ECS, associated with the second PSA (632). Further, the SMF (650) sends, to an application function, AF, (670) associated with the application client (611), a notification of the relocation. The notification includes an identifier of the ECS and a data network access identifier, DNAI, associated with the second PSA (632). From the AF (670), the SMF (650) receives a response that includes an identifier of a second EAS (682) and the DNAI associated with the second PSA (632).Type: ApplicationFiled: July 22, 2021Publication date: October 19, 2023Inventors: Maria Luisa Mas Rosique, Attila Mihály, Jan Backman
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DYNAMIC ACTIVATION OF LOCAL BREAKOUT WITH COORDINATION BETWEEN APPLICATION DOMAIN AND MOBILE NETWORK
Publication number: 20230224792Abstract: Disclosed herein is a method performed by a network node and a network node performing the method, which implements a DNS function in a mobile network, the method comprising the actions: receiving; a DNS query that originated at a UE; in response to receiving; the DNS query, determining; to trigger dynamic activation of Local Break Out, LBO, for a session of the UE at a breakout site of the mobile network for traffic between the UE and an edge AS site that is connected to the breakout site; and upon determining; to trigger dynamic activation of LBO for the session of the UE at the breakout site of the mobile network for traffic between the UE and the edge AS site, triggering; dynamic activation of LBO for the session of the UE at the breakout site of the mobile network for traffic between the UE and the edge AS site.Type: ApplicationFiled: October 2, 2020Publication date: July 13, 2023Inventors: Jan Backman, Jari Vikberg -
Publication number: 20230211359Abstract: A hydrocyclone having a mid-section having a longitudinal axis and a radius, and a fluid injection member releasably connected to the mid-section. The fluid injection member has a dilution passage therethrough and two spaced apart dilution ports, at least one dilution port being at an angle between 15 and 75 degrees relative to the mid-section radius. The injection member comprises a nozzle housing releasably connected to the mid-section, the nozzle housing having a dilution passage therethrough, and a nozzle adapted to be connected to the nozzle housing, the nozzle being planar and having at least one dilution port therethrough, the nozzle being receivable within the dilution passage.Type: ApplicationFiled: July 3, 2020Publication date: July 6, 2023Applicant: Valmet Technologies OyInventors: Jan BACKMAN, Ralf BACKVIK, Roger BECKER, Allan CARLSSON, Valentina KUCHER, Morgan PERSSON, Felix SPEGEL, Jonas SUNDIN, Bengt ERIKSSON
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Patent number: 11659621Abstract: A method, a wireless device and a session management node for IP version selection for a PDU session requested to be established by a WCD, that supports PDU sessions of both IPv4 and IPv6 and that is configured to operatively communicate via a RAN with a SM node in a core network 101, the method being performed by the WCD comprises: sending S110 a first PDU session request message towards the SM node requesting establishment of a first PDU session, which request message comprises IP-version information indicating that the IP version of the requested first PDU session should be any one of IPv4 or IPv6; and receiving S130, S140, in response to sending the first PDU session request message, a first response message, which first response message comprises WCD information indicating the IP-version (i.e. IPv4 or IPv6) that has been selected for the requested first PDU session.Type: GrantFiled: June 10, 2022Date of Patent: May 23, 2023Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Jan Backman, Stefan Rommer
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Patent number: 11641611Abstract: Disclosed herein is a method for implementing conditional packet forwarding control rules, performed by User Plane Function (UPF). The method comprises: receiving, from a Control Plane Function (CPF) a packet forwarding control rule comprising one or more rule enforcement conditions; and applying the packet forwarding control rule according to the rule enforcement condition(s).Type: GrantFiled: November 23, 2021Date of Patent: May 2, 2023Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Yong Yang, Stefan Rommer, Jan Backman
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Publication number: 20230057663Abstract: An Access and Mobility Management Function (AMF) adapted for taking part in handover from a 5G system (5GS) to an Evolved Packet System (EPS).Type: ApplicationFiled: August 24, 2022Publication date: February 23, 2023Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Stefan ROMMER, Jan BACKMAN, Qian CHEN, Göran HALL, Åsa LARSEN
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Publication number: 20220418038Abstract: A method, a wireless device and a session management node for IP version selection for a PDU session requested to be established by a WCD, that supports PDU sessions of both IPv4 and IPv6 and that is configured to operatively communicate via a RAN with a SM node in a core network 101, the method being performed by the WCD comprises: sending S110 a first PDU session request message towards the SM node requesting establishment of a first PDU session, which request message comprises IP-version information indicating that the IP version of the requested first PDU session should be any one of IPv4 or IPv6; and receiving S130, S140, in response to sending the first PDU session request message, a first response message, which first response message comprises WCD information indicating the IP-version (i.e. IPv4 or IPv6) that has been selected for the requested first PDU session.Type: ApplicationFiled: June 10, 2022Publication date: December 29, 2022Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Jan BACKMAN, Stefan Rommer
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Publication number: 20220377131Abstract: A method performed by one or more network devices of a cloud platform for providing interworking between the cloud platform and a communication service platform. The method includes receiving, from a user of the cloud platform, input regarding desired characteristics for an edge cloud, providing, via an application programming interface, an indication of the desired characteristics for the edge cloud to the communication service platform, receiving, from the communication service platform via the application programing interface, an indication of a set of edge locations that is capable of supporting the desired characteristics for the edge cloud, provisioning an edge subnet at each edge location in the set of edge locations, and making the edge subnets visible to the user of the cloud platform.Type: ApplicationFiled: May 24, 2022Publication date: November 24, 2022Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Laszlo SZILAGYI, Jan BACKMAN
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Patent number: 11432215Abstract: Access and Mobility Management Function, AMF, adapted for taking part in handover from a 5G system, 5GS, to an Evolved Packet System, EPS, an interface being provided between a Mobility Management Entity, MME, of the EPS and the AMF. The AMF being adapted for signalling with a Session Management Function and Packet Data Network, PDN, Gateway-Control plane, SMF and PGW-C, entity, the AMF being adapted for—providing a request (102d, 2-2a) to the SMF and PGW-C entity to provide a Session Management, SM, Context that also includes mapped EPS, Bearer Contexts (102d); —wherein for PDU Sessions with PDU Session type Ethernet or Unstructured, providing (102e1) a capability of a target MME of supporting a Non-IP PDN type to the PGW-C and SMF entity in the request (2-2a) to allow the PGW-C and SMF entity to determine whether or not to include an EPS Bearer context for non-IP PDN type; —transmitting the request (2-2a) to the SMF.Type: GrantFiled: October 17, 2018Date of Patent: August 30, 2022Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Stefan Rommer, Jan Backman, Qian Chen, Göran Hall, Åsa Larsen
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Patent number: 11375576Abstract: Disclosed herein is a method, a wireless device and a session management node for IP version selection for a PDU session requested to be established by a WCD, that supports PDU sessions of both IPv4 and IPv6 and that is configured to operatively communicate via a RAN with a SM node in a core network lot, the method being performed by the WCD comprises: sending S110 a first PDU session request message towards the SM node requesting establishment of a first PDU session, which request message comprises IP-version information indicating that the IP version of the requested first PDU session should be any one of IPv4 or IPv6; and receiving S130, S140, in response to sending the first PDU session request message, a first response message, which first response message comprises WCD information indicating the IP-version (i.e. IPv4 or IPv6) that has been selected for the requested first PDU session.Type: GrantFiled: May 9, 2018Date of Patent: June 28, 2022Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Jan Backman, Stefan Rommer
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Patent number: 11310868Abstract: Systems and methods relating to selection of user plane functions in a core network and a radio access network of a cellular communications network that take into consideration information related to application server selection are disclosed. In some embodiments, a method of operation of a network node in a cellular communications network that comprises a radio access network and a core network comprises selecting a user plane function for a protocol data unit session for a wireless device based on information related to application server selection such that the protocol data unit session for the wireless device utilizes the selected user plane function. In this manner, optimal user plane connectivity between an application client in the wireless device and an application server is provided.Type: GrantFiled: February 20, 2018Date of Patent: April 19, 2022Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Elena Myhre, Göran Hall, Jan Backman, Jari Vikberg, Mattias Wahlqvist
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Publication number: 20220095196Abstract: Disclosed herein is a method for implementing conditional packet forwarding control rules, performed by User Plane Function (UPF). The method comprises: receiving, from a Control Plane Function (CPF) a packet forwarding control rule comprising one or more rule enforcement conditions; and applying the packet forwarding control rule according to the rule enforcement condition(s).Type: ApplicationFiled: November 23, 2021Publication date: March 24, 2022Inventors: Yong Yang, Stefan Rommer, Jan Backman
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Patent number: 11272419Abstract: Disclosed herein is a method for implementing conditional packet forwarding control rules, performed by User Plane Function (UPF). The method comprises: receiving, from a Control Plane Function (CPF) a packet forwarding control rule comprising one or more rule enforcement conditions; and applying the packet forwarding control rule according to the rule enforcement condition(s).Type: GrantFiled: October 7, 2019Date of Patent: March 8, 2022Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Yong Yang, Stefan Rommer, Jan Backman
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Publication number: 20220046484Abstract: The embodiments herein relate to a method performed by a SMF (110) for handling a UEs (101) access to a DN (130) in a 5G communications system. The SMF (110) obtains at least one anycast address supported at a DN/I (130/I) which is accessible by the UE (101) from its location. The SMF (110) sends instructions to a UPF/c (105/c) to report usage of the at least one anycast address. The SMF (110) receives, from the UPF/c (105/c), information that usage of the anycast address has been detected. When usage of the anycast address has been detected, the SMF (110) determines that future usage of the anycast address should be routed to the DN/I (130/I) via the UPF/I (105/I).Type: ApplicationFiled: September 26, 2018Publication date: February 10, 2022Inventors: Helen Örtenblad, Jan Backman, Göran Hall
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Publication number: 20210360506Abstract: Disclosed herein is a method for implementing conditional packet forwarding control rules, performed by User Plane Function (UPF). The method comprises: receiving, from a Control Plane Function (CPF) a packet forwarding control rule comprising one or more rule enforcement conditions; and applying the packet forwarding control rule according to the rule enforcement condition(s).Type: ApplicationFiled: October 7, 2019Publication date: November 18, 2021Inventors: Yong Yang, Stefan Rommer, Jan Backman
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Publication number: 20210360715Abstract: Systems and methods are disclosed herein for coordinated selection of a User Plane Function (UPF) in a core network and a Packet Processing Function (PPF) in a radio access network. In some embodiments, a method of operation of network node of a cellular communications network to enable coordinated UPF and PPF selection comprises receiving information indicative of a UPF selected for a protocol data unit session of a wireless device, where the UPF is part of a core network of the cellular communications network. The method further comprises selecting a PPF for the protocol data unit session of the wireless device based on the information indicative of the UPF selected for the protocol data unit session of the wireless device, where the PPF is part of a radio access network of the cellular communications network. In this manner, an optimal routing of user data traffic can be achieved.Type: ApplicationFiled: July 28, 2021Publication date: November 18, 2021Inventors: Elena Myhre, Göran Hall, Jan Backman, Jari Vikberg, Mattias Wahlqvist
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Patent number: 11083028Abstract: Systems and methods are disclosed herein for coordinated selection of a User Plane Function (UPF) in a core network and a Packet Processing Function (PPF) in a radio access network. In some embodiments, a method of operation of network node of a cellular communications network to enable coordinated UPF and PPF selection comprises receiving information indicative of a UPF selected for a protocol data unit session of a wireless device, where the UPF is part of a core network of the cellular communications network. The method further comprises selecting a PPF for the protocol data unit session of the wireless device based on the information indicative of the UPF selected for the protocol data unit session of the wireless device, where the PPF is part of a radio access network of the cellular communications network. In this manner, an optimal routing of user data traffic can be achieved.Type: GrantFiled: February 8, 2018Date of Patent: August 3, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Elena Myhre, Göran Hall, Jan Backman, Jari Vikberg, Mattias Wahlqvist
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Publication number: 20210195490Abstract: Access and Mobility Management Function, AMF, adapted for taking part in handover from a 5G system, 5GS, to an Evolved Packet System, EPS, an interface being provided between a Mobility Management Entity, MME, of the EPS and the AMF. The AMF being adapted for signalling with a Session Management Function and Packet Data Network, PDN, Gateway-Control plane, SMF and PGW-C, entity, the AMF being adapted for—providing a request (102d, 2-2a) to the SMF and PGW-C entity to provide a Session Management, SM, Context that also includes mapped EPS, Bearer Contexts (102d); —wherein for PDU Sessions with PDU Session type Ethernet or Unstructured, providing (102e1) a capability of a target MME of supporting a Non-IP PDN type to the PGW-C and SMF entity in the request (2-2a) to allow the PGW-C and SMF entity to determine whether or not to include an EPS Bearer context for non-IP PDN type; —transmitting the request (2-2a) to the SMF.Type: ApplicationFiled: October 17, 2018Publication date: June 24, 2021Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Stefan ROMMER, Jan BACKMAN, Qian CHEN, Göran HALL, Åsa LARSEN