Patents by Inventor David Ian Allan
David Ian Allan 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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Publication number: 20240422152Abstract: An embodiment is a method by one or more network devices implementing a network token generator in a network. The method includes receiving a request from an end node to apply a network service to network traffic originated by the end node, wherein the end node implements an identifier-locator separation network protocol and is associated with an identifier and a locator in accordance with the identifier-locator separation network protocol, generating a network token based on the identifier associated with the end node but not based on the locator associated with the end node in response to receiving the request, associating the network token with the network service, and sending the network token to the end node.Type: ApplicationFiled: November 5, 2021Publication date: December 19, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: David Ian ALLAN, Joel HALPERN
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Patent number: 12101666Abstract: A method is provided to implement a fragmentation mechanism for a session between a 5G-RG and access gateway function (AGF) communicating over point to point protocol over Ethernet (PPPoE) that encapsulates control messages, where the 5G-RG or the AGF is a sender of a message. The method includes receiving the message to be sent that does not fit within a maximum transmission unit for the session, generating a first fragment of the message and a second fragment of the message, and sending the first fragment of the message and the second fragment of the message to a receiver, the second fragment including metadata with a length, and cyclic redundancy check.Type: GrantFiled: January 10, 2020Date of Patent: September 24, 2024Assignee: Telefonaktiebolaget LM EricssonInventor: David Ian Allan
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Publication number: 20240236670Abstract: A method of providing multiple sets of legacy credentials to be applied to one subscription in a 5th generation (5G) system, where a subscriber initiates via legacy wireline access to the 5G system, multiple communications sessions each requiring respective different credential. The method comprises receiving, at a gateway function of the 5G system, subscriber legacy wireline access via a gateway node of the subscriber, registering the subscriber and identifying the subscriber subscription based on line identification (ID).Type: ApplicationFiled: February 19, 2022Publication date: July 11, 2024Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: David Ian ALLAN, Stefan ROMMER
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Patent number: 11943731Abstract: A 5G Fixed Mobile Interworking Function Database entity, FMIF-DB, in a system including a Wireline 5G Access Network, W-5GAN, connects to a Fixed Network Residential Gateway, FN-RG, the W-5GAN including a Wireline Access Node, AN, and a 5G Fixed Mobile Interworking Function, FMIF. The FMIF connects to Access and Mobility Management Function, AMF, and to an User Plane Function, UPF, and the FMIF DN. The wireline Access Node, couples to a Fixed Network Residential Gateway, FN-RG providing services such as TV, Internet and voice, the database apparatus being adapted for holding—User entity, UE, credentials for providing an identity of an FN-RG as a User Entity, UE, and—UE configuration data for the FN-RG.Type: GrantFiled: September 9, 2019Date of Patent: March 26, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Daniel Nilsson, David Ian Allan
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Publication number: 20220408310Abstract: A method is provided to implement a fragmentation mechanism for a session between a 5G-RG and access gateway function (AGF) communicating over point to point protocol over Ethernet (PPPoE) that encapsulates control messages, where the 5G-RG or the AGF is a sender of a message. The method includes receiving the message to be sent that does not fit within a maximum transmission unit for the session, generating a first fragment of the message and a second fragment of the message, and sending the first fragment of the message and the second fragment of the message to a receiver, the second fragment including metadata with a length, and cyclic redundancy check.Type: ApplicationFiled: January 10, 2020Publication date: December 22, 2022Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventor: David Ian ALLAN
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Patent number: 11469917Abstract: Embodiments of the invention provide methods implemented in an access gateway of a network for hybrid access to a promises equipment. In one embodiment, the method comprises obtaining channel state information for both fixed-line and radio interfaces from a premises equipment coupled to the network by both fixed and radio interfaces, wherein a fixed-line path between the access gateway and the premises equipment includes the fixed-line interface coupled to one or more metal or optical fiber lines and a radio path between the access gateway and the premises equipment includes one or more radio interfaces utilizing one or more radio bearers to reach the premises equipment. The method further comprises scheduling transmission of packets of one or more data flows utilizing the fixed-line and radio paths toward the premises equipment based on at least the channel state information.Type: GrantFiled: December 12, 2017Date of Patent: October 11, 2022Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Panagiotis Saltsidis, David Ian Allan
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Patent number: 11375405Abstract: A method is for redirecting data traffic destined for user equipment in a cellular network with packet data convergence protocol function local to connection points of the cellular network. The method includes obtaining a prefix and identifier for the user equipment, configuring a secondary connection point to provide a prefix of a primary connection point, the identifier for the user equipment and radio bearer information for the user equipment, and redirecting data traffic for the user equipment to the secondary connection point using network address translation to utilize a prefix of the secondary connection point and the identifier of the user equipment as the destination address for the data traffic.Type: GrantFiled: February 28, 2018Date of Patent: June 28, 2022Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventor: David Ian Allan
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Patent number: 11310846Abstract: A method implemented by a user equipment (UE) in a cellular communication network to support incremental deployment of identifier locator network protocol (ILNP) breakout. The method includes receiving an advertisement for a first access point name (APN) and a second APN from a source eNodeB, where the first APN is associated with a user plane packet gateway (P-GWu) that is implemented at the source eNodeB, and where the second APN is associated with a packet gateway (P-GW) in a core of the cellular communication network, establishing a first PDN session associated with the first APN, establishing a second PDN session associated with the second APN, sending traffic destined for a first Correspondent Node (CN) that is determined to be ILNP capable via the first PDN session, and sending traffic destined for a second CN that is determined not to be ILNP capable via the second PDN session.Type: GrantFiled: December 22, 2020Date of Patent: April 19, 2022Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: David Ian Allan, Joel Halpern
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Publication number: 20220116901Abstract: A 5G Fixed Mobile Interworking Function Database entity, FMIF-DB, in a system including a Wireline 5G Access Network, W-5GAN, connects to a Fixed Network Residential Gateway, FN-RG, the W-5GAN including a Wireline Access Node, AN, and a 5G Fixed Mobile Interworking Function, FMIF. The FMIF connects to Access and Mobility Management Function, AMF, and to an User Plane Function, UPF, and the FMIF DN. The wireline Access Node, couples to a Fixed Network Residential Gateway, FN-RG providing services such as TV, Internet and voice, the database apparatus being adapted for holding—User entity, UE, credentials for providing an identity of an FN-RG as a User Entity, UE, and—UE configuration data for the FN-RG.Type: ApplicationFiled: September 9, 2019Publication date: April 14, 2022Inventors: Daniel NILSSON, David Ian ALLAN
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Patent number: 11265299Abstract: A method is implemented by a network device operating as a content node for securely distributing a content object over an information centric networking (ICN) network. The method implements a unique obscured retrieval sequence. The method includes receiving an interest for a chunk of the content object from a client device, where the chunk is identified with an obscured chunk identifier, translating the obscured chunk identifier into a general chunk identifier for the content object, and sending the chunk of the content object to the client device.Type: GrantFiled: May 23, 2016Date of Patent: March 1, 2022Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventor: David Ian Allan
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Publication number: 20220007251Abstract: Improved handover processing in a cellular communication network to enable mobility within the cellular communication network without anchor points by way of a source tunnel router (TR) that forwards traffic destined for a user equipment (UE) that is transferring its connection to a target gNodeB, a target user plane function (UPF) and a target TR, as well as by way of the target tunnel router (TR) and target gNodeB, where the target TR and target gNodeB relay traffic between a user equipment (UE) and other devices connected to the cellular communication network. The handover processing by the source TR includes receiving a routing locator (RLOC) of the target TR connected to the target UPF and the target gNodeB from a session management function (SMF), redirecting traffic with an endpoint identifier (ED) of the UE to the target TR, receiving a release message from the SMF, and removing state for the EID of the UE.Type: ApplicationFiled: October 26, 2018Publication date: January 6, 2022Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: David Ian ALLAN, Joel HALPERN
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Publication number: 20210321305Abstract: A method implemented by a network device functioning as a source gNodeB in a cellular communication network to support incremental deployment of identifier locator network protocol (ILNP) breakout in the cellular communication network. The method includes sending a list of data network names (DNNs) advertised by an access and mobility management function (AMF) to a user equipment (UE), receiving from the UE a first request for a first session with an ILNP session and service continuity (SSC) mode, facilitating the UE establishing a first packet data network (PDN) session associated with a UE selected DNN, where the first PDN session requests the ILNP SSC mode, receiving from the UE a second request for a second session to the selected DNN using a non-ILNP SSC mode, and facilitating the UE establishing a second PDN session to the selected DNN using the non-ILNP SSC mode.Type: ApplicationFiled: November 7, 2018Publication date: October 14, 2021Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: David Ian ALLAN, Joel HALPERN
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Patent number: 11129061Abstract: A method implemented by a network device functioning as a source gNodeB in a cellular communication network to support incremental deployment of identifier locator network protocol (ILNP) breakout in the cellular communication network. The method includes sending a list of data network names (DNNs) advertised by an access and mobility management function (AMF) to a user equipment (UE), receiving from the UE a first request for a first session with an ILNP session and service continuity (SSC) mode, facilitating the UE establishing a first packet data network (PDN) session associated with a UE selected DNN, where the first PDN session requests the ILNP SSC mode, receiving from the UE a second request for a second session to the selected DNN using a non-ILNP SSC mode, and facilitating the UE establishing a second PDN session to the selected DNN using the non-ILNP SSC mode.Type: GrantFiled: November 7, 2018Date of Patent: September 21, 2021Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: David Ian Allan, Joel Halpern
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Patent number: 11128576Abstract: A method is implemented by a networking device functioning as a computing node. The method resolves sub-trees of a loosely specified multicast distribution tree (MDT). The method utilizes global identifiers for sub-trees of the MDT to enable differentiation of traffic destined for different sub-trees of the MDT at shared replication nodes. The method can be implemented at or for each of the nodes of the network that are part of the MDT.Type: GrantFiled: September 20, 2018Date of Patent: September 21, 2021Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventor: David Ian Allan
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Patent number: 11038716Abstract: A method implemented by a network device in a cellular communication network with a distributed data plane serving gateway (S-GWu) at an evolved universal terrestrial radio access network (E-UTRAN) node B (eNodeB). The method enables an ingress tunnel router to forward traffic between devices connected to the cellular communication network via location identifier separation protocol (LISP) to enable mobility within the cellular communication network without anchor points.Type: GrantFiled: January 24, 2017Date of Patent: June 15, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: David Ian Allan, Joel Halpern, Srinivas Kadaba, Mohamed Elgendy
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Publication number: 20210167987Abstract: Embodiments of the invention provide methods implemented in an access gateway of a network for hybrid access to a promises equipment. In one embodiment, the method comprises obtaining channel state information for both fixed-line and radio interfaces from a premises equipment coupled to the network by both fixed and radio interfaces, wherein a fixed-line path between the access gateway and the premises equipment includes the fixed-line interface coupled to one or more metal or optical fiber lines and a radio path between the access gateway and the premises equipment includes one or more radio interfaces utilizing one or more radio bearers to reach the premises equipment. The method further comprises scheduling transmission of packets of one or more data flows utilizing the fixed-line and radio paths toward the premises equipment based on at least the channel state information.Type: ApplicationFiled: December 12, 2017Publication date: June 3, 2021Inventors: Panagiotis SALTSIDIS, David Ian ALLAN
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Patent number: 11006319Abstract: A method is implemented by a network device that receives a packet at an access gateway function from a residential gateway, detects an Ethertype for the received packet, detects a version for the received packet, looks up session and state information for the packet as a result of the detecting of the Ethertype and the version indicating that the packet is a fixed mobile convergence (FMC) user plane (UP) encapsulation, and processes the packet according to policies for FMC UP encapsulation.Type: GrantFiled: August 28, 2019Date of Patent: May 11, 2021Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventor: David Ian Allan
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Publication number: 20210112608Abstract: A method implemented by a user equipment (UE) in a cellular communication network to support incremental deployment of identifier locator network protocol (ILNP) breakout. The method includes receiving an advertisement for a first access point name (APN) and a second APN from a source eNodeB, where the first APN is associated with a user plane packet gateway (P-GWu) that is implemented at the source eNodeB, and where the second APN is associated with a packet gateway (P-GW) in a core of the cellular communication network, establishing a first PDN session associated with the first APN, establishing a second PDN session associated with the second APN, sending traffic destined for a first Correspondent Node (CN) that is determined to be ILNP capable via the first PDN session, and sending traffic destined for a second CN that is determined not to be ILNP capable via the second PDN session.Type: ApplicationFiled: December 22, 2020Publication date: April 15, 2021Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: David Ian ALLAN, Joel HALPERN
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Patent number: 10917927Abstract: A method is implemented by a network device functioning as an evolved universal terrestrial radio access network (E-UTRAN) node B (eNodeB) in a cellular communication network to support incremental deployment of identifier locator network protocol (ILNP) breakout in the cellular communication network. The method includes advertising a first access point name (APN) and a second APN to a user equipment (UE), where the first APN is associated with a user plane packet gateway (P-GWu) that is implemented at the source eNodeB, and where the second APN is associated with a packet gateway (P-GW) in a core of the cellular communication network.Type: GrantFiled: May 12, 2017Date of Patent: February 9, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: David Ian Allan, Joel Halpern
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Publication number: 20210037421Abstract: A method is for redirecting data traffic destined for user equipment in a cellular network with packet data convergence protocol function local to connection points of the cellular network. The method includes obtaining a prefix and identifier for the user equipment, configuring a secondary connection point to provide a prefix of a primary connection point, the identifier for the user equipment and radio bearer information for the user equipment, and redirecting data traffic for the user equipment to the secondary connection point using network address translation to utilize a prefix of the secondary connection point and the identifier of the user equipment as the destination address for the data traffic.Type: ApplicationFiled: February 28, 2018Publication date: February 4, 2021Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventor: David Ian ALLAN