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    ENHANCEMENT TO TCI STATE TIMER OPERATION FOR LTM
    2.
    发明申请
    ENHANCEMENT TO TCI STATE TIMER OPERATION FOR LTM 有权

    公开(公告)号：US20250071634A1

    公开(公告)日：2025-02-27

    申请号：US18798628

    申请日：2024-08-08

    Applicant: Nokia Technologies Oy

    Inventor： Riikka Karoliina DIMNIK ,  Timo KOSKELA ,  Sanjay GOYAL

    IPC: H04W36/00 ,  H04L5/00 ,  H04W36/32

    Abstract: A method including: connecting, with an apparatus, to a target cell; starting a timer associated with one or more transmission configuration indicator states; determining that the one or more transmission configuration indicator states were active prior to connecting to the target cell; and based upon the timer running, considering the one or more transmission configuration indicator states as being active for at least one of a lower layer mobility or for intra/inter cell beam management within the target cell.

    BEAM FAILURE RECOVERY
    3.
    发明申请
    BEAM FAILURE RECOVERY 有权

    公开(公告)号：US20250056645A1

    公开(公告)日：2025-02-13

    申请号：US18797395

    申请日：2024-08-07

    Applicant: Nokia Technologies Oy

    Inventor： Panagiotis SPAPIS ,  Srinivasan SELVAGANAPATHY ,  Sanjay GOYAL ,  Umur KARABULUT

    IPC: H04W76/19 ,  H04B7/06 ,  H04W72/044

    Abstract: Exemplary embodiments of the present disclosure relate to a beam failure recovery to a cell. In an aspect, a first network device determines a radio resource control (RRC) reconfiguration for one or more cells prepared by the first network device. The RRC reconfiguration comprises a beam failure recovery configuration to be used by a terminal device for performing a beam failure recovery to the one or more cells. The first network device transmits, to a second network device, the RRC reconfiguration. By this process, the UE may recover to a non-serving cell in case of detecting a beam failure.

    CONFIGURATION SWITCH FOR LOWER LAYER TRIGGERED MOBILITY
    4.
    发明申请
    CONFIGURATION SWITCH FOR LOWER LAYER TRIGGERED MOBILITY 有权

    公开(公告)号：US20250056355A1

    公开(公告)日：2025-02-13

    申请号：US18776067

    申请日：2024-07-17

    Applicant: Nokia Technologies Oy

    Inventor： Srinivasan SELVAGANAPATHY ,  Sanjay GOYAL ,  Panagiotis SPAPIS ,  Umur KARABULUT

    IPC: H04W36/08 ,  H04L5/00 ,  H04W76/20

    Abstract: Embodiments of the present disclosure relate to lower layer triggered mobility. In an aspect, a terminal device receives a radio resource control signaling including a transmission configuration indicator from a first network device. The transmission configuration indicator state is configured for beam-only-switching. The terminal device performs beam-only switching based on the transmission configuration indicator state and a first switching command, then configuration switching based on the first switching command or a second switching command. As such, a solution for enhanced lower layer triggered mobility is provided, thereby reducing the interruption time.

    USER EQUIPMENT BASED TIMING ADVANCE MEASUREMENTS
    5.
    发明申请
    USER EQUIPMENT BASED TIMING ADVANCE MEASUREMENTS 有权

    公开(公告)号：US20250113265A1

    公开(公告)日：2025-04-03

    申请号：US18887710

    申请日：2024-09-17

    Applicant: Nokia Technologies Oy

    Inventor： Sanjay GOYAL ,  Timo KOSKELA ,  Riikka Karoliina DIMNIK ,  Jani-Pekka KAINULAINEN ,  Lars DALSGAARD

    IPC: H04W36/00 ,  H04W36/08

    Abstract: Systems, methods, apparatuses, and computer program products for user equipment based timing advance measurements. The method may include receiving a layer 1/layer 2 triggered mobility configuration for one or more candidate target cells, wherein UE-based TA measurement is enabled for a plurality of cells comprising the one or more candidate target cells and performing user equipment-based timing advance measurements for the plurality of cells according to a first user equipment-based timing advance measurements behavior during a layer 1/layer 2 triggered mobility procedure. An indication to enable a second user equipment-based timing advance measurements behavior may be received. User equipment-based timing advance measurements for the plurality of cells according to the second user equipment-based timing advance measurements behavior based on the indication may be performed.

    METHOD AND APPARATUS FOR IMPROVED DETERMINATION OF TIMING ADVANCES
    6.
    发明申请
    METHOD AND APPARATUS FOR IMPROVED DETERMINATION OF TIMING ADVANCES 有权

    公开(公告)号：US20250056457A1

    公开(公告)日：2025-02-13

    申请号：US18793283

    申请日：2024-08-02

    Applicant: Nokia Technologies Oy

    Inventor： Umur KARABULUT ,  Anastasios KAKKAVAS ,  Sanjay GOYAL ,  Ali KARIMIDEHKORDI ,  Panagiotis SPAPIS

    IPC: H04W56/00

    Abstract: A user equipment (UE) may receive, from a first network entity, an indication of a configuration for the UE to report, to the first network entity, an estimate of a first timing advance value for a second network entity. The UE may determine the estimate of the first timing advance value. The UE may transmit, to the first network entity, the estimate of the first timing advance value for the second network entity or a reference signal time difference associated with the estimate of the first timing advance value. The UE may receive, from the first network entity, an indication of an error value associated with the estimate of the first timing advance value. The UE may determine a second timing advance value based on the estimate of the first timing advance value and the error value. The UE may transmit communications using the second timing advance value.

    CONFIGURATION AND TRANSMISSION OF CHANNEL STATE INFORMATION REFERENCE SIGNAL
    7.
    发明公开
    CONFIGURATION AND TRANSMISSION OF CHANNEL STATE INFORMATION REFERENCE SIGNAL 审中-公开

    公开(公告)号：US20240146485A1

    公开(公告)日：2024-05-02

    申请号：US17979533

    申请日：2022-11-02

    Applicant: NOKIA TECHNOLOGIES OY

    Inventor： Ahmad AWADA ,  Panagiotis SPAPIS ,  Umur KARABULUT ,  Sanjay GOYAL ,  Timo KOSKELA ,  Keeth Saliya JAYASINGHE LADDU

    IPC: H04L5/00 ,  H04W36/00

    CPC classification number: H04L5/0057 ,  H04W36/0058

    Abstract: Systems, methods, apparatuses, and computer program products for configuration and transmission of a channel state information reference signal (CSI-RS). A method may include forwarding, to a network element, synchronization signal block measurements of a target cell along with synchronization signal block indices. The method may also include requesting the network element to provide a channel state information reference signal configuration for a channel state information reference signal index whose source reference signal corresponds to at least one of the synchronization signal block indices. The method may further include receiving the channel state information reference signal configuration from the network element. In addition, the method may include transmitting the channel state information reference signal configuration to a user equipment. Further, the method may include receiving a measurement report on the channel state information reference signal index according to the channel state information reference signal configuration.

    MANAGING COEXISTENCE OF USER EQUIPMENT-BASED AND RANDOM ACCESS CHANNEL-BASED TIMING ADVANCE VALUES
    8.
    发明申请
    MANAGING COEXISTENCE OF USER EQUIPMENT-BASED AND RANDOM ACCESS CHANNEL-BASED TIMING ADVANCE VALUES 有权

    公开(公告)号：US20250126635A1

    公开(公告)日：2025-04-17

    申请号：US18911617

    申请日：2024-10-10

    Applicant: Nokia Technologies Oy

    Inventor： Umur KARABULUT ,  Anastasios KAKKAVAS ,  Sanjay GOYAL ,  Ali KARIMIDEHKORDI ,  Panagiotis SPAPIS

    IPC: H04W74/00 ,  H04W48/20 ,  H04W72/02 ,  H04W72/044 ,  H04W72/23

    Abstract: A method is provided that includes receiving a configuration of selection criteria for a timing advance (TA) of a target cell, acquired by respective acquisition schemes including a user equipment (UE)-based acquisition scheme and a random access channel (RACH)-based acquisition scheme. The method includes acquiring a UE-based TA value according to the UE-based acquisition scheme, and transmitting a random access preamble to the target cell that is configured to acquire a RACH-based TA value according to the RACH-based acquisition scheme. The method includes receiving a cell-switch command from a serving cell to trigger a cell switch to the target cell, after the UE-based TA value and the RACH-based TA value are acquired. And the method includes accessing the target cell using a TA value selected from the UE-based TA value and the RACH-based TA value, based on the configuration.

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