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    MOBILITY ROBUSTNESS OPTIMIZATION
    11.
    发明申请
    MOBILITY ROBUSTNESS OPTIMIZATION 有权

    公开(公告)号：US20250056343A1

    公开(公告)日：2025-02-13

    申请号：US18719984

    申请日：2021-12-20

    Applicant: Nokia Technologies Oy

    Inventor： Ahmad AWADA ,  Bernhard WEGMANN ,  Guillaume DECARREAU ,  Irina-Mihaela BALAN ,  Ugur Baran ELMALI ,  Sina KHATIBI

    IPC: H04W36/00 ,  H04W36/36

    Abstract: A method detecting at least one of a mobility failure and a respective successful handover; determining a type of the mobility failure, wherein the type of the mobility failure is determined in response to the detected mobility failure; generating mobility failure information indicative of one or more parameters associated with the type of mobility failure, wherein the mobility failure information is generated, at least in part, based on the determined type of the mobility failure; and providing the mobility failure information and/or successful handover information including, at least in part, one or more parameters associated with the respective successful handover, wherein mobility failure information and/or successful handover information enable a network to determine whether a root cause associated with at least one of a respective mobility failure information and a respective successful handover information is a misconfiguration of one or more parameters controlling L3 handover procedures or L1/2 inter-cell mobility.

    MULTICAST BROADCAST SERVICE AUTHORIZATION FOR INBOUND AND OUTBOUND ROAMERS
    12.
    发明申请
    MULTICAST BROADCAST SERVICE AUTHORIZATION FOR INBOUND AND OUTBOUND ROAMERS 有权

    公开(公告)号：US20250056332A1

    公开(公告)日：2025-02-13

    申请号：US18790162

    申请日：2024-07-31

    Applicant: NOKIA TECHNOLOGIES OY

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

    IPC: H04W36/00 ,  H04W48/08 ,  H04W84/04

    Abstract: Systems, methods, apparatuses, and computer program products for roaming of multicast MBS services. One method may include attaching, by a user equipment, to a visited public land mobile network as inbound roamer. The user equipment then receives a service announcement comprising at least one of a multicast service session allowed to be accessed by inbound roamers indication or multicast service class. The user equipment determines whether the user equipment is allowed to access a multicast session or multicast service class in the visited public land mobile network. The user equipment transmits, in response to determining that the user equipment is allowed to access, a request to join a multicast session comprising an identifier of the multicast session and/or a multicast service class. The user equipment receives an indication of an acceptance or rejection of the request to join the multicast session.

    SEARCH SPACE CONFIGURATION FOR MULTICAST TRAFFIC
    16.
    发明公开
    SEARCH SPACE CONFIGURATION FOR MULTICAST TRAFFIC 审中-公开

    公开(公告)号：US20230413296A1

    公开(公告)日：2023-12-21

    申请号：US18248776

    申请日：2020-10-20

    Applicant: Nokia Technologies Oy

    Inventor： Naizheng ZHENG ,  Volker PAULI ,  Athul PRASAD ,  Ugur Baran ELMALI ,  David NAVRÁTIL ,  Karol SCHOBER ,  David BHATOOLAUL

    IPC: H04W72/30 ,  H04W4/06

    CPC classification number: H04W72/30 ,  H04W4/06

    Abstract: Embodiments of the present disclosure relate to methods, apparatuses and computer readable storage media for search space configuration for multicast traffic. According to embodiments of the present disclosure, a first device determines, from a group of search space sets configured to the first device, at least one search space set for monitoring multicast traffic from a second device, based on at least one of a priority of the multicast traffic and respective types of the search space sets. The first device monitors the multicast traffic from the second device in the at least one search space set. The solution enables multicast traffic to be monitored in a common search space set, a user-specific search space set or a multicast search space set in different scenarios.

    INTERFACE FAILURE RECOVERY SUCH AS FOR N3MB WITH MONOLITHIC OR SPLIT ACCESS NODES
    18.
    发明申请
    INTERFACE FAILURE RECOVERY SUCH AS FOR N3MB WITH MONOLITHIC OR SPLIT ACCESS NODES 有权

    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.

    CONDITIONAL HANDOVER
    19.
    发明申请
    CONDITIONAL HANDOVER 有权

    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.

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