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    ADAPTIVE GUARD PERIOD FOR BEAM SWITCHING FOR WIRELESS NETWORKS
    2.
    发明申请
    ADAPTIVE GUARD PERIOD FOR BEAM SWITCHING FOR WIRELESS NETWORKS 审中-公开

    公开(公告)号：WO2021050060A1

    公开(公告)日：2021-03-18

    申请号：PCT/US2019/050578

    申请日：2019-09-11

    Applicant: NOKIA TECHNOLOGIES OY ,  NOKIA OF AMERICA CORPORATION

    Inventor： PAJUKOSKI, Kari Pekka ,  RANTA-AHO, Karri Markus ,  CUDAK, Mark ,  RATASUK, Rapeepat ,  LEHTI, Arto ,  TERVO, Oskari

    IPC: H04L27/26 ,  H04B7/06

    Abstract: According to an example embodiment, a method may include determining, by a base station, a beam switching time for the base station; determining, by the base station, a predetermined fraction of a cyclic prefix length of a cyclic prefix to be used by the base station for transmission of one or more symbols; determining that the beam switching time for the base station exceeds the predetermined fraction of the cyclic prefix length; and adding a guard period to at least one of a last symbol, of a first set of one or more symbols, associated with a first beam and/or a first symbol, of a second set of one or more symbols, associated with a second beam, wherein the first symbol associated with the second beam is transmitted after and adjacent to the last symbol associated with the first beam.

    METHOD FOR PDSCH COMBINING INDICATION ACROSS BEAMS
    3.
    发明申请
    METHOD FOR PDSCH COMBINING INDICATION ACROSS BEAMS 审中-公开

    公开(公告)号：WO2021154252A1

    公开(公告)日：2021-08-05

    申请号：PCT/US2020/015812

    申请日：2020-01-30

    Applicant: NOKIA TECHNOLOGIES OY ,  NOKIA OF AMERICA CORPORATION

    Inventor： RATASUK, Rapeepat ,  PAJUKOSKI, Kari Pekka ,  RANTA-AHO, Karri Markus ,  CUDAK, Mark ,  LEHTI, Arto ,  TERVO, Oskari

    IPC: H04L5/00

    Abstract: A method, apparatus, and computer-readable storage medium are provided for combining PDSCHs across beams. In an implementation, the method may include transmitting, by a network node, a configuration message to one or more user equipments (UEs), the configuration message indicating a time-frequency region and associated beam information of a downlink transmission; transmitting, by the network node, a plurality of physical downlink control channels (PDCCHs) in the time-frequency region, each PDCCH of the plurality of PDCCHs including scheduling information of a corresponding physical downlink shared channel (PDSCH) and at least one other PDSCH, the corresponding PDSCH and the at least one other PDSCH of a plurality of PDSCHs; and transmitting, by the network node, the plurality of PDSCHs in the time-frequency region.

    RECONFIGURABLE DEMODULATION AND DECODING
    4.
    发明申请
    RECONFIGURABLE DEMODULATION AND DECODING 审中-公开

    公开(公告)号：WO2023083431A1

    公开(公告)日：2023-05-19

    申请号：PCT/EP2021/081033

    申请日：2021-11-09

    Applicant: NOKIA TECHNOLOGIES OY

    Inventor： PERUGA, Ismael ,  TALVITIE, Jukka Olavi ,  KORPI, Dani Johannes ,  TERVO, Oskari ,  TIIROLA, Esa Tapani ,  HULKKONEN, Jari Yrjänä ,  YLI-KAAKINEN, Juha ,  VALKAMA, Mikko

    IPC: H04L1/00 ,  G06N3/00

    Abstract: This document discloses a solution for adapting a receiver. According to an aspect, a method comprises: storing, for at least one modulation and coding scheme, a target decoding error rate and a mapping function describing dependence of a decoding error rate and channel quality; receiving at least one message from an access node, the at least one message associated with a determined modulation and coding scheme; decoding the at least one message by using reconfigurable decoding parameters adapted to the determined modulation and coding scheme; computing a decoding error rate for the at least one message; measuring a channel quality metric associated with the at least one message; comparing, by using the mapping function to bring the target decoding error rate and the computed decoding error rate comparable, a first decoding performance that is at least partly based on the computed decoding error rate and the measured channel quality metric with a second decoding performance representing the target decoding error rate; in response to detecting, in the comparison, that a difference between the first decoding performance and the second decoding performance is above a threshold, changing at least one of the reconfigurable decoding parameters and applying thus updated decoding parameters to decode further messages associated with the determined modulation and coding scheme.

    SUPPORTING VARIOUS CONSTELLATIONS
    6.
    发明申请
    SUPPORTING VARIOUS CONSTELLATIONS 审中-公开

    公开(公告)号：WO2022148544A1

    公开(公告)日：2022-07-14

    申请号：PCT/EP2021/050280

    申请日：2021-01-08

    Applicant: NOKIA TECHNOLOGIES OY

    Inventor： TERVO, Oskari ,  TIIROLA, Esa Tapani ,  PAJUKOSKI, Kari Pekka

    IPC: H04L5/00 ,  H04L27/00 ,  H04L1/00 ,  H04W72/00 ,  H04L27/34

    Abstract: Embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media for supporting various constellations. According to embodiments of the present disclosure, a first device receives, from a second device, configuration information indicating at least one constellation available for a modulation and coding scheme, MCS. The first device receives, from the second device, control information for a communication between the first and second devices. The control information indicating the MCS. The first device performs the communication with the second device based on the control information using a constellation of the at least one constellation.

    DETERMINING TIMING ADVANCE
    7.
    发明申请
    DETERMINING TIMING ADVANCE 审中-公开

    公开(公告)号：WO2021214007A1

    公开(公告)日：2021-10-28

    申请号：PCT/EP2021/060147

    申请日：2021-04-20

    Applicant: NOKIA TECHNOLOGIES OY

    Inventor： RANTA-AHO, Karri ,  PAJUKOSKI, Kari ,  CUDAK, Mark ,  RATASUK, Rapeepat ,  LEHTI, Arto ,  TERVO, Oskari

    IPC: H04W56/00 ,  H04W36/08 ,  H04B7/26

    Abstract: There is provided receiving a first message comprising information indicating a reference TA setting characteristic to a first access node, determining a reference TA setting characteristic to a second access node and determining a timing advance offset for the second access node, based on the reference TA setting characteristic to the first access node and the reference TA setting characteristic to the second access node. A second message comprising the determined timing advance offset is sent; or wherein the first message further comprises communications device specific TA information, a second access node TA for the communications device is determined based on the communications device specific TA information and the determined timing advance offset and a second message comprising the second access node TA of the communications device is sent.

    COMPENSATING POWER AMPLIFIER DISTORTION
    8.
    发明申请
    COMPENSATING POWER AMPLIFIER DISTORTION 审中-公开

    公开(公告)号：WO2022229046A1

    公开(公告)日：2022-11-03

    申请号：PCT/EP2022/060809

    申请日：2022-04-25

    Applicant: NOKIA TECHNOLOGIES OY

    Inventor： ALI, Samad ,  TERVO, Oskari ,  TIIROLA, Esa Tapani ,  PAJUKOSKI, Kari Pekka

    IPC: H03F1/32 ,  H03F3/24 ,  H03F3/195 ,  H04B1/04

    Abstract: Disclosed is a method comprising selecting (401), by a base station, a power amplifier distortion model from a set of power amplifier distortion models, wherein the power amplifier distortion model comprises a pre-trained machine learning model configured to compensate power amplifier distortion. The method further comprises receiving (402), by the base station, one or more uplink data transmissions from a terminal device, and compensating (403), by the base station, at least a part of the power amplifier distortion from the one or more uplink data transmissions based at least partly on the power amplifier distortion model.

    ARRANGEMENT FOR REMOVING TRANSMITTER POWER AMPLIFIER DISTORTION AT A RECEIVER
    9.
    发明申请
    ARRANGEMENT FOR REMOVING TRANSMITTER POWER AMPLIFIER DISTORTION AT A RECEIVER 审中-公开

    公开(公告)号：WO2022073615A1

    公开(公告)日：2022-04-14

    申请号：PCT/EP2020/078335

    申请日：2020-10-08

    Applicant: NOKIA TECHNOLOGIES OY

    Inventor： PAJUKOSKI, Kari Pekka ,  TIIROLA, Esa Tapani ,  HOOLI, Kari Juhani ,  KARJALAINEN, Juha Pekka ,  KAIKKONEN, Jorma Johannes ,  TERVO, Oskari

    IPC: H04B17/13 ,  H04B17/21 ,  H04B17/00 ,  H03F1/32

    Abstract: A method, apparatus, and a computer-readable storage medium are provided for compensating UE power amplifier distortion at a base station receiver. In an example implementation, the method may include a network node receiving a plurality of training signals from at least a user equipment and training a power amplifier model, the training based at least on the plurality of training signals and generating a trained power amplifier model. The method may further include generating a correction signal for at least a signal received from the user equipment based at least on the trained power amplifier model, wherein the signal received from the user equipment includes at least one of a data signal, a control signal, and a reference signal. In an additional example implementation, the method may include a user equipment receiving configuration information for a plurality of training signals associated with a power amplifier model from a network node and transmitting the plurality of training signals to the network node, the plurality of training signals generated based on at least on the configuration information received from the network node.

    MAXIMUM POWER REDUCTION BASED ON TX AND RX IMPAIRMENTS
    10.
    发明申请
    MAXIMUM POWER REDUCTION BASED ON TX AND RX IMPAIRMENTS 审中-公开

    公开(公告)号：WO2021228568A1

    公开(公告)日：2021-11-18

    申请号：PCT/EP2021/061280

    申请日：2021-04-29

    Applicant: NOKIA TECHNOLOGIES OY

    Inventor： TERVO, Oskari ,  PAJUKOSKI, Kari ,  TIIROLA, Esa

    IPC: H04W52/36 ,  H04W52/38 ,  H04W52/14 ,  H04W52/146 ,  H04W52/362

    Abstract: A method, apparatus, and a computer-readable storage medium are provided for transmission power handling with RF impairments. A method, apparatus, and a computer-readable storage medium are provided for adjusting maximum power reduction (MPR) values based on transmitter and receiver impairments. transmission power handling with RF impairments. In an example implementation, the method may include determining, by a user equipment, at least a first maximum power reduction (MPR) value for a radio link, the determining based at least on one or more receiver impairments associated with a receiver of the radio link; adjusting, by the user equipment, a transmit power and a quality of a signal being transmitted on the radio link based at least on the first MPR value; and transmitting, by the user equipment, the signal using the adjusted transmit power. In another example implementation, the method may include transmitting, by a gNB, a first MPR value or a parameter indicative of the first MPR value of a radio link to a user equipment; and receiving, by the gNB, a signal from the user equipment, wherein a transmit power and a quality of the signal is adjusted at the user equipment based at least on the first MPR value.

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