Telefonaktiebolaget Lm Ericsson (publ)

Allan, David Ian

David Ian Allan

János Farkas

Joel Halpern

Panagiotis Saltsidis

Eric Ward Gray

Scott Andrew Mansfield

András Császár

Martin Julien

Evgeny Tantsura

Samita Chakrabarti

Vipin K Garg

Daniel Nilsson

Laurent Marchand

David Sinicrope

Srinivas Kadaba

Mohamed Elgendy

David Saccon

András CSÁSZÁR

Saltsidis Panagiotis

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.

Registration of legacy fixed network residential gateway (FN-RG) to a 5G core network

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.

Hybrid access to premises equipment using both fixed-line and radio communications

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.

Identifier-locator network protocol (ILNP) coordinated multipoint (CoMP) and multiple connectivity

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.

Local identifier locator network protocol (ILNP) breakout

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.

Obscured retrieval sequence for information centric networking (ICN) encoded video streams

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.

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.

Method and system for completing loosely specified MDTS

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.

Using location identifier separation protocol to implement a distributed gateway architecture for 3GPP mobility

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.

5G fixed mobile convergence user plane encapsulation

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.

A method is implemented by a network device to minimize multicast traffic loss or duplication in response to an update to multicast group membership in a network where multicast group membership changes can disrupt multicast traffic delivery to other members of the multicast group. The method receives a registration for the multicast group including a member since version number that is greater than the version number currently advertised by the root for a multicast distribution tree (MDT) that serves the multicast group. The root advertises a new MDT identifier (ID) with a new version number for the MDT that serves the multicast group in the network, and switches distribution of multicast group traffic from the current version of the MDT that serves the multicast group to the new version of the MDT that serves the multicast group after a pre-determined time.

Multicast distribution tree versioning for minimizing multicast group traffic disruption

A method implemented by a network device for multicasting packets in a network. The method reduces an overall number of hops that copies of a packet traverse in the network to serve a set of multicast destination nodes. The method includes receiving a packet, determining a first subset of multicast destination nodes that is a subset of the set of multicast destination nodes that is reachable on a shortest path through a first outgoing interface, determining a second subset of multicast destination nodes that is a subset of the set of multicast destination nodes that is reachable on a shortest path through a second outgoing interface, determining whether the first subset of multicast destination nodes is a proper subset of the second subset of multicast destination nodes, and removing the first outgoing interface from consideration in response to determining that the first subset is a proper subset of the second subset.

Optimized equal-cost multi-path (ECMP) forwarding decision in bit index explicit replication (BIER)

A method is implemented by a network device in a cellular communication network. The method to improve handover processing by a source evolved universal terrestrial radio access network (E-UTRAN) node B (eNodeB) where the source eNodeB forwards traffic destined for a user equipment (UE) that is transferring its connection to a target eNodeB to enable mobility within the cellular communication network without anchor points. The method including receiving a handover request from the UE identifying the target eNodeB, sending a handover message to the target eNodeB, determining the UE is unavailable to the source eNodeB, and redirecting traffic for the UE to the target eNodeB.

Lossless handover for mobility with location identifier separation protocol in 3rd generation partnership project networks

A method is implemented by a network device in a network including a plurality of network devices. The method implements multicast forwarding configuration resulting in reduced state for the network by utilizing unicast tunneling between a root, replication points and leaves that implement each multicast distribution tree. The method selects a multicast group to determine forwarding configuration for the selected multicast group, prunes a shortest path tree for the selected multicast group to generate a source group tree, and determines whether the network device is a root or a replication node for the source group tree. The method further checks whether a downstream leaf or replicating node is adjacent to the network device, and where the selected branch does not have an adjacent replication node or leaf, identifies the next replicating node or leaf on the selected branch, and configures the network device to forward multicast group traffic using a unicast tunnel.

Multicast state reduction via tunneling in a routed system

A method and apparatus is executed by a network device in a source packet in routing (SPRING) network. The method is to establish a multipoint to multipoint multicast distribution tree where the network device is selected as a rendezvous point for the multipoint to multipoint multicast distribution tree. The method includes advertising the rendezvous point with a multicast group identifier and multicast segment identifier via a control plane protocol, receiving at least one interest registration from receivers of the multicast group via the control plane protocol, and constructing the multipoint to multipoint multicast distribution tree with the rendezvous point as a root and each of the receivers as leaves using unicast tunnels and replication points.

Growing community of inventors

San Jose, CA, United States of America

David Ian Allan