公开(公告)号：US20240251305A1

公开(公告)日：2024-07-25

申请号：US18558010

申请日：2022-03-17

Applicant: Nokia Technologies Oy

Inventor： Krzysztof KORDYBACH ,  Srinivasan SELVAGANAPATHY ,  Ahmad AWADA ,  Subramanya CHANDRASHEKAR

IPC: H04W36/00 ,  H04W36/36

CPC classification number: H04W36/0061 ,  H04W36/0069 ,  H04W36/00835 ,  H04W36/362

Abstract: An apparatus comprising means for receiving requests from a plurality of master nodes to be included added as a secondary node into as part of a conditional handover process for a user equipment: means for obtaining, from each of said requests, an identification of the user equipment involved in the conditional handover process: and means for determining, based on said identifications of the user equipment, that a plurality of said requests concern the same user equipment.

公开(公告)号：US20240214879A1

公开(公告)日：2024-06-27

申请号：US18557830

申请日：2022-04-12

Applicant: Nokia Technologies Oy

Inventor： Subramanya CHANDRASHEKAR ,  Ahmad AWADA ,  Halit Murat GÜRSU ,  Alperen GUNDOGAN ,  Panagiotis SPAPIS

IPC: H04W36/00

CPC classification number: H04W36/0058 ,  H04W36/0061

Abstract: A method includes receiving via a serving cell that is associated with a first distributed unit of the network node, a list of conflicting physical cell identities and a request to provide an indication of whether a measured cell is intra-distributed unit or inter-distributed unit with respect to the serving cell; determining a physical cell group identifier of the serving cell; determining, by the user equipment, a physical cell group identifier of the measured cell; comparing the physical cell group identifier of the measured cell to the physical cell group identifier of the serving cell, to determine whether: the measured cell is intra-distributed unit with respect to the serving cell, or the measured cell is inter-distributed unit with respect to the serving cell; and sending a layer 1 measurement report including information indicating whether the measured cell is intra-distributed unit or inter-distributed unit with respect to the serving cell.

公开(公告)号：US20240172058A1

公开(公告)日：2024-05-23

申请号：US18549273

申请日：2022-03-08

Applicant: Nokia Technologies Oy

Inventor： Ingo VIERING ,  Subramanya CHANDRASHEKAR ,  Irina-Mihaela BALAN ,  Ahmad AWADA

IPC: H04W36/00 ,  H04W36/18

CPC classification number: H04W36/0072 ,  H04W36/18

Abstract: Disclosed is a method for interference coordination for mobility. A first apparatus receives, from a second apparatus, a first interference coordination pattern of the second apparatus. The first apparatus transmits, to the second apparatus, a first handover request for handing over a first terminal device from the first apparatus to the second apparatus. The first apparatus receives, from the second apparatus, a first handover request acknowledgement comprising at least a first handover command. The first apparatus transmits, to the first terminal device, the first handover command based at least partly on the first interference coordination pattern of the second apparatus.

公开(公告)号：US20240023186A1

公开(公告)日：2024-01-18

申请号：US18256371

申请日：2021-12-07

Applicant: Nokia Technologies Oy

Inventor： Philippe GODIN ,  Daniela LASELVA ,  Subramanya CHANDRASHEKAR

IPC: H04W76/20 ,  H04W76/30 ,  H04W28/02

CPC classification number: H04W76/20 ,  H04W76/30 ,  H04W28/0278

Abstract: Techniques of performing multi-shot SDT transactions include determining, by a distributed unit (DU) of a base station gNB) in a wireless network, a condition for terminating of a multi-shot small data transmission (SDT) and provide an indication of the termination to an entity within the wireless network.

公开(公告)号：US20230379987A1

公开(公告)日：2023-11-23

申请号：US18319993

申请日：2023-05-18

Applicant: Nokia Technologies Oy

Inventor： Janne Veikko KAASALAINEN ,  Subramanya CHANDRASHEKAR ,  Pawel MACKOWIAK ,  Andres ARJONA

IPC: H04W76/11 ,  H04W76/30

CPC classification number: H04W76/11 ,  H04W76/30

Abstract: In some example embodiments, there may be provided a method that includes receiving, by a central unit user plane function of a radio network node, a bearer context setup request message from a central unit control plane function of the radio network node, wherein the bearer context setup request message comprises at least one of a list of preemption candidates or a preemption criteria; and selecting, by the central unit user plane function at least one preemption candidate based on the bearer context setup request message. Related systems, methods, and articles of manufacture are also disclosed.

公开(公告)号：US20230132755A1

公开(公告)日：2023-05-04

申请号：US17998745

申请日：2021-05-05

Applicant: Nokia Technologies Oy

Inventor： Daniela LASELVA ,  Subramanya CHANDRASHEKAR ,  Ahlem KHLASS

IPC: H04W76/25 ,  H04W76/19

Abstract: Systems, methods, apparatuses, and computer program products for user equipment (UE) context duplication. In certain embodiments, when a UE may resume at a target network node within its configured radio area, a duplication of a UE context may occur at the target network node, and the target network node may allocate an additional/secondary identifier to the UE. The secondary identifier may indicate the UE's identity within the network. When configured with a secondary identifier, the UE may retain an original/primary identifier assigned by the anchor network node. The anchor network node may retain the UE context and may maintain user plane connectivity to a core network. The UE may use this primary identifier for operations within the configured radio area, whereas the secondary identifier may be used when resuming operations to a cell that is outside of the configured radio area.

公开(公告)号：US20230129661A1

公开(公告)日：2023-04-27

申请号：US17968038

申请日：2022-10-18

Applicant: Nokia Technologies Oy

Inventor： Krzysztof Kordybach ,  Subramanya CHANDRASHEKAR ,  Tero HENTTONEN ,  Henri Markus KOSKINEN ,  Elena VIRTEJ

IPC: H04W28/08

Abstract: A method including using master cell group resources for a downlink data transmission to a user equipment, wherein the user equipment is configured with at least one secondary cell group terminated split bearer and a secondary cell group is deactivated; determining, at a centralized central unit user plane, when secondary cell group resources of the deactivated secondary cell group are needed, wherein the determining is based, at least partially, on a data volume threshold for a data radio bearer as configured by a central unit control plane; and based upon the determining that the secondary cell group resources are needed, sending a notification to the central unit control plane to trigger activation of the secondary cell group resources.

公开(公告)号：US20220117006A1

公开(公告)日：2022-04-14

申请号：US17480445

申请日：2021-09-21

Applicant: Nokia Technologies Oy ,  Technische Universität Munich

Inventor： Philippe GODIN ,  Daniela LASELVA ,  Subramanya CHANDRASHEKAR ,  Rakash SIVASIVA GANESAN ,  Srinivasan SELVAGANAPATHY ,  Alberto MARTÍNEZ-ALBA

IPC: H04W76/10 ,  H04W12/106 ,  H04W12/75

Abstract: Systems, methods, apparatuses, and computer program products for data transmission with stateless routing are provided. Certain embodiments may include a radio resource control (RRC)-less or RRC-based mechanism for short data transmission (SDT) in an RRC inactive state, where the mechanism may be performed without storing or establishing a UE context in a distributed unit (DU), for a UE served by a single CU-user plane (UP). Certain embodiments may include a RRC-less mechanism for SDT in an RRC inactive state, where the authentication of the user equipment (UE) may be performed at the UP using UP integrity protection (IP) in a CU-UP. Certain embodiments may include a RRC-based mechanism for SDT in an RRC inactive state, where the authentication of the UE may be performed at the UP using UP IP in a CU-UP and/or at the CP using CP IP in a CU-CP.

公开(公告)号：US20250106708A1

公开(公告)日：2025-03-27

申请号：US18713510

申请日：2022-12-16

Applicant: Nokia Technologies Oy

Inventor： Ahmad AWADA ,  Srinivasan SELVAGANAPATHY ,  Subramanya CHANDRASHEKAR ,  Alperen GUNDOGAN ,  Panagiotis SPAPIS ,  Amaanat ALI

IPC: H04W36/00 ,  H04L5/00

Abstract: In this invention, when a serving distributed unit informs target distributed unit via a central unit about a target reference, it is proposed to use, signal index X/indices X1 . . . Xn for PDCCH transmissions or PUSCH receptions or a RACH-less handover:
Send by a distributed unit of the serving cell towards a distributed unit of a target cell one of before, upon, or after transmission of a layer 1 serving cell change command to a user equipment, signaling comprising configuration information associated with the user equipment to perform a random access channel less handover of the user equipment to the target cell, wherein the configuration information informs the target cell about at least one target reference signal index that shall be used for at least one of at least one physical downlink control channel transmission or at least one physical uplink shared channel reception.

公开(公告)号：US20240414602A1

公开(公告)日：2024-12-12

申请号：US18701915

申请日：2022-10-14

Applicant: Nokia Technologies Oy

Inventor： Srinivasan SELVAGANAPATHY ,  Amaanat ALI ,  Subramanya CHANDRASHEKAR ,  Ahmad AWADA ,  Faranaz SABOURI-SICHANI

IPC: H04W36/00 ,  H04W36/08 ,  H04W36/32 ,  H04W36/36

Abstract: Techniques of cell change in a SCO DEACTIVATED state includes a master node configuring a user equipment with a partial Conditional PSCell Addition Change (CPAC) which only contain the configurations relevant for common channel access without any dedicated configurations. The improved technique proposes a modified CPAC configuration procedure to reduce the overall signalling messages and frequency of network communication, involved in UE switching between SCGs in SCG-DEACTIVATED state.