公开(公告)号：US20230254938A1

公开(公告)日：2023-08-10

申请号：US18107771

申请日：2023-02-09

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Bruno LANDAIS ,  Horst Thomas BELLING ,  Philippe GODIN ,  David NAVRÁTIL

IPC: H04W76/40 ,  H04L45/16

CPC classification number: H04W76/40 ,  H04L45/16

Abstract: Systems, methods, apparatuses, and computer program products for restoration of multicast/broadcast service upon multicast/broadcast failure with restart are provided. For example, a method may include detecting a restart of a multicast/broadcast user plane function that was supporting a packet forwarding control protocol session for a multicast/broadcast session. The method may also include re-creating a packet forwarding control protocol session for the multicast/broadcast session. The method may further include providing addressing information for the data delivery of the broadcast/multicast session to the multicast/broadcast user plane function and instructing the multicast/broadcast user plane function to use this addressing information for the broadcast/multicast session if possible.

公开(公告)号：US20230225008A1

公开(公告)日：2023-07-13

申请号：US18145122

申请日：2022-12-22

Applicant: Nokia Technologies Oy

Inventor： Esa Mikael MALKAMÄKI ,  David NAVRATIL ,  Benoist Pierre SEBIRE ,  Philippe GODIN

IPC: H04W76/40 ,  H04W36/00

CPC classification number: H04W76/40 ,  H04W36/0007

Abstract: Systems, methods, apparatuses, and computer program products for changing MRB ID without requiring release and add functions. One method may include receiving, by a user equipment, a RRC reconfiguration message from a network entity comprising a MRB. The MRB is identified by a first MRB ID, and the RRC reconfiguration message further comprises a second MRB ID associated with the first MRB ID. The user equipment associates the MRB with the second MRB ID configured for subsequent identification of the MRB. The user equipment receives MBS data through the MRB associated with the second MRB ID.

公开(公告)号：US20230142879A1

公开(公告)日：2023-05-11

申请号：US17906545

申请日：2020-03-19

Applicant: Nokia Technologies Oy

Inventor： Philippe GODIN ,  Tsunehiko CHIBA ,  Laurent THIEBAUT

IPC: H04W24/02 ,  H04W76/30 ,  H04W60/04

CPC classification number: H04W24/02 ,  H04W76/30 ,  H04W60/04

Abstract: Methods and apparatuses for improving service continuity are disclosed. The solution comprises storing (300) information slice remapping describing how a given net-work slice may be mapped to another network slice, receiving (302) a first message from an access node, that the node serves a terminal or has received a request to serve a terminal utilising a network slice not supported by the node and transmitting (304) based on the first message a message to a network entity responsible for session management to control the connection of the terminal, with the information on slice remapping and/or activity status of the packet data unit sessions associated with the slice not supported by the node.

公开(公告)号：US20220345965A1

公开(公告)日：2022-10-27

申请号：US17239107

申请日：2021-04-23

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Halit Murat GÜRSU ,  Ömer BULAKCI ,  Muhammad NASEER-UL-ISLAM ,  Philippe GODIN ,  Ahmad AWADA

IPC: H04W36/00 ,  H04W36/08

Abstract: Systems, methods, apparatuses, and computer program products for conditional handover (CHO) execution with network slice service continuity prioritization are provided. A radio resource control (RRC) reconfiguration message sent by a source radio access network (RAN) node to the user equipment (UE) may include, for each CHO configuration, an associated network slice-related priority index. The UE may take this index into account when selecting a suitable cell during CHO recovery. Additionally, or alternatively, the RRC reconfiguration message sent by a source RAN node may include, for each CHO configuration, an associated network slice support information of the candidate target cell. The message may also include network slice remapping information for any network slice associated with one of the candidate target cells. Using the above network slice-related information received from the network, the UE can prioritize the cell to select during CHO recovery in case more than one suitable cell is available.

公开(公告)号：US20220124555A1

公开(公告)日：2022-04-21

申请号：US17485975

申请日：2021-09-27

Applicant: Nokia Technologies Oy

Inventor： Philippe GODIN ,  Subramanya CHANDRASHEKAR ,  Daniela LASELVA

IPC: H04W28/06 ,  H04L12/46

Abstract: Systems, methods, apparatuses, and computer program products for inter-gNB small data transmission (SDT) routing at a radio access network (RAN). A method may include transmitting an initial request message from a first element in a first network node, to a second element in the first network node to obtain context information. The method may also include receiving, at the first element, a context setup request message based on the context information containing a transport layer information of a third element of a second network node and context information of a user equipment in the second network node. The method may further include processing a data packet according to the received context information. In addition, the method may include forwarding the data packet to the third element of the second network node according to the received transport layer information.

公开(公告)号：US20250113406A1

公开(公告)日：2025-04-03

申请号：US18896324

申请日：2024-09-25

Applicant: Nokia Technologies Oy

Inventor： Philippe GODIN ,  Bruno LANDAIS ,  Horst Thomas BELLING ,  Salman NADAF ,  Ugur Baran ELMALI

IPC: H04W76/40 ,  H04W76/30 ,  H04W84/04

Abstract: A network access node receives an indication of an interval between expected receptions of echo requests that pass through a tunnel that uses an interface between a network element in a core network of the cellular network to the network access node of the cellular network. The network access node determines a threshold time period based on the interval, detects there has been no echo request for a time period greater than the threshold time period, and determines that a failure has occurred of the tunnel that uses the interface. The network access node triggers set up of a new tunnel using the interface due to the failure of the tunnel. Multiple techniques are disclosed for determining that this failure has occurred and recovering from the failure, including setting up a new MBS session or using a new transport address for a current MBS session.

公开(公告)号：US20250063458A1

公开(公告)日：2025-02-20

申请号：US18804836

申请日：2024-08-14

Applicant: Nokia Technologies Oy

Inventor： Arled PAPA ,  Ugur Baran ELMALI ,  Muhammad NASEER-UL-ISLAM ,  Philippe GODIN ,  Ahmad AWADA ,  Ömer BULAKCI ,  György Tamás WOLFNER

IPC: H04W36/36 ,  H04L41/5009 ,  H04W36/30

Abstract: There is herein disclosed a method for receiving, from a radio access network node, a conditional handover configuration for a plurality of target cells and a radio condition for conditional handover of the UE for a plurality of target cells. The method further comprises receiving, from the radio access network node, an indication that the UE is allowed to select and connect to a preferred target cell from the plurality of target cells. The method further comprises selecting the preferred target cell from the plurality of target cells based on network slice area of service availability information for each target cell configured at the UE and the radio condition and transmitting, a request to connect to the preferred target cell.

公开(公告)号：US20250056668A1

公开(公告)日：2025-02-13

申请号：US18775987

申请日：2024-07-17

Applicant: Nokia Technologies Oy

Inventor： Mohamed Amin NASSAR ,  Philippe GODIN ,  Bruno LANDAIS ,  Horst Thomas BELLING ,  Ugur Baran ELMALI ,  Abdelaali CHAOUB

IPC: H04W76/40 ,  H04W28/02 ,  H04W84/04

Abstract: A H-SMF receives, from a V-SMF in a VPLMN, a join request originating from a UE roaming in the VPLMN to join a multicast multicast and broadcast services (MBS) session, and determines whether the UE is authorized to join the multicast MBS session based upon a local configuration in a home public land mobile network, information received from an application function during establishment of the multicast MBS session, and/or user subscription data received from a user data manager. The H-SMF at least one of: transmits to the V-SMF, if the UE is authorized, an acceptance response configured to establish at least one unicast QoS flow corresponding to multicast QoS flow information received from a H-MB-SMF, or, if the UE is not authorized, a rejection response comprising error cause information indicating that the UE is not authorized to join while roaming.

公开(公告)号：US20250056651A1

公开(公告)日：2025-02-13

申请号：US18928669

申请日：2024-10-28

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Ugur Baran ELMALI ,  Bighnaraj PANIGRAHI ,  Philippe GODIN ,  Esa Mikael MALKAMÄKI ,  Benoist Pierre SEBIRE

IPC: H04W76/27 ,  H04W72/30

Abstract: According to an example aspect of the present invention, there is provided a method comprising receiving, by an apparatus, a message while the apparatus is in a radio resource control inactive state, wherein the message comprises a first indication indicating a multicast-broadcast service session to which the apparatus has joined and a second indication indicating to remain in the radio resource control inactive state and in response to receiving the message: in case determining based at least on information received in a radio resource control message that the apparatus belongs to a subset of user equipments, initiating a resumption of a radio resource control connection, and in case not determining that the apparatus belongs to the subset, remaining in the radio resource control inactive state.

公开(公告)号：US20240244400A1

公开(公告)日：2024-07-18

申请号：US18413634

申请日：2024-01-16

Applicant: Nokia Technologies Oy

Inventor： Horst Thomas BELLING ,  Bighnaraj PANIGRAHI ,  Ugur Baran ELMALI ,  Philippe GODIN

IPC: H04W4/06 ,  H04W8/26 ,  H04W84/04

CPC classification number: H04W4/06 ,  H04W8/26 ,  H04W84/042

Abstract: Apparatuses, method, and computer-program for a mobile telecommunication network comprising multiple public land mobile networks sharing a radio access network node are provided. An apparatus of one of the multiple public land mobile networks may include at least one processor; and at least one memory comprising: instructions which, when executed by the at least one processor cause the apparatus at least to: receive, from an application function of a content provider, a request for allocation of a temporary mobile group identity for a shared multicast/broadcast session comprising an index value to be used to select a temporary mobile group identity for the shared multicast/broadcast service from the list of temporary mobile group identities for shared services; select, based on the index value, a temporary mobile group identity for the shared multicast/broadcast service from a list or range of temporary mobile group identities for shared services; and send, to the application function, the selected temporary mobile group identity for the shared multicast/broadcast service.