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公开(公告)号：US20250106724A1
公开(公告)日：2025-03-27
申请号：US18291382
申请日：2022-07-19
Applicant: Nokia Technologies Oy
Inventor： Subramanya CHANDRASHEKAR , Srinivasan SELVAGANAPATHY , Ahmad AWADA , Amaanat ALI , Tero HENTTONEN
IPC: H04W36/30 , H04B17/318 , H04W24/10
Abstract: Improved techniques of handover involving dual connectivity configuration with CHO include configuring a UE with a conditional fallback configuration (CFC) linked to M-RLF event at the source MN. Specifically, the MN prepares a fallback configuration along with the CHO configuration for the UE. This fallback configuration is provided to the UE as a conditional configuration, but this is not linked to measurement-event but rather to a radio link failure event. The condition is linked to MCG-RLF along with additional measurement criteria.
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2.发明公开公开(公告)号：US20240334291A1
公开(公告)日：2024-10-03
申请号：US18580027
申请日：2022-07-04
Applicant: Nokia Technologies Oy
Inventor： Subramanya CHANDRASHEKAR , Srinivasan SELVAGANAPATHY , Ahmad AWADA , Amaanat ALI , Faranaz SABOURI-SICHANI
CPC classification number: H04W36/305 , H04W36/00692 , H04W74/004
Abstract: A method includes receiving (610), by a user device that has been configured for dual connectivity, preconfiguration information including information indicating a signaling radio bearer for a second network node to enable the user device to report failure of a first random access procedure between the user device and a first network node, via a second random access procedure with the second network node regardless of whether a connection has been established between the user device and the first network node: transmitting (640), by the user device to the second network node via the indicated signaling radio bearer, a radio link failure report indicating a failure of the first random access procedure with the first network node; and receiving (650) a message indicating an action to be performed by the user device in response to the failure of the first random access procedure.
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公开(公告)号：US20240323707A1
公开(公告)日：2024-09-26
申请号：US18575276
申请日：2022-06-15
Applicant: Nokia Technologies Oy
Inventor： Subramanya CHANDRASHEKAR , Andres ARJONA , Ömer BULAKCI
Abstract: According to an example aspect of the present invention, there is provided an apparatus configured to perform as a base station central unit control plane node, setup, into an inactive state, a protocol connection with at least one client node, wherein the apparatus does not control or actively serve the said client node while the protocol connection is in the inactive state, synchronize, while the protocol connection is in the inactive state, at least one control plane user equipment context of the base station from a second base station central unit control plane node which controls the at least one client node, and responsive to receiving an instruction from outside the apparatus, switch the protocol connection into an active state and begin controlling the at least one client node. The apparatus may serve user equipments directly or indirectly.
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公开(公告)号：US20230403756A1
公开(公告)日：2023-12-14
申请号：US18321409
申请日：2023-05-22
Applicant: Nokia Technologies Oy
Inventor： Ece OZTURK , Subramanya CHANDRASHEKAR , Ömer BULAKCI , Devaki CHANDRAMOULI
Abstract: Techniques are provided for enabling user equipment (UE) context retrieval in radio resource control RRC inactive status with a shared radio access network (RAN) database (DB) within a distributed database architecture. A version indicator in an inactive Radio Network Temporary Identifier (I-RNTI) is populated by the UE to indicate one or more I-RNTI versions, defined herein, and indicates the type of data in the remainder of the I-RNTI used for communicating the location of a RAN DB that stores the UE context, to a target network node. The target network node then uses the data in the I-RNTI, further dependent on the I-RNTI version, to retrieve the UE content from the RAN database. Certain embodiments utilize a RAN DB Area (RDBA) and/or RAN DB Set Area (RDSA), and certain embodiments utilize a network node set ID.
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公开(公告)号：US20220070958A1
公开(公告)日：2022-03-03
申请号：US17412122
申请日：2021-08-25
Applicant: Nokia Technologies Oy
Inventor： Ahlem KHLASS , Daniela LASELVA , Subramanya CHANDRASHEKAR
Abstract: Systems, methods, apparatuses, and computer program products for user equipment context relocation at radio access network notification area edge are provided.
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Patent Agency Ranking
公开(公告)号：US20250106922A1
公开(公告)日：2025-03-27
申请号：US18730838
申请日：2023-01-13
Applicant: Nokia Technologies Oy
Inventor： Subramanya CHANDRASHEKAR , Srinivasan SELVAGANAPATHY , Tero HENTTONEN , Ahmad AWADA , Panagiotis SPAPIS , Amaanat ALI
Abstract: An apparatus includes circuitry configured to transmit downlink data to a user equipment for at least one serving cell and at least one assisting cell; receive uplink data from the user equipment; wherein the serving cell is hosted with a serving distributed node, and the assisting cell hosted with an assisting distributed node; transmit control plane signaling, to configure and manage inter distributed unit multi transmission reception point operation, from the serving node to the assisting node using a control plane node, and transmit control plane signaling from the assisting node to the serving node using the control plane node; and transmit user plane data from the serving node to the assisting node using a user plane node for downlink multi transmission reception point operation, and transmit user plane data from the assisting node to the serving node using the user plane node for uplink multi transmission reception point operation.
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公开(公告)号：US20250106836A1
公开(公告)日：2025-03-27
申请号：US18730851
申请日：2022-01-24
Applicant: Nokia Technologies Oy
Inventor： Tero HENTTONEN , Subramanya CHANDRASHEKAR , Amaanat ALI , Lars DALSGAARD
IPC: H04W72/1263 , H04W36/00
Abstract: An apparatus may receive, from a source network node, a configuration of a channel bandwidth and a first bandwidth part for receiving data from the source network node, for example during a handover from the source network node to a target network node, and a configuration of a second bandwidth part for receiving data from the target network node. The apparatus may communicate data with the source network node and the target network node with a bandwidth including the first bandwidth part and the second bandwidth part using same protocol stack.
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公开(公告)号：US20250008363A1
公开(公告)日：2025-01-02
申请号：US18707638
申请日：2022-06-14
Applicant: Nokia Technologies Oy
Inventor： Subramanya CHANDRASHEKAR , Srinivasan SELVAGANAPATHY , Tero HENTTONEN , Karri Markus RANTA-AHO
Abstract: An apparatus configured to: receive a first measurement and reporting configuration for at least one first cell of an active set and a second measurement and reporting configuration for at least one second cell of a configured set, wherein the at least one second cell is a target cell and not part of the active set; measure and report the at least one first cell based on the first measurement and reporting configuration; abstain from measuring and reporting the at least one second cell based on the second measurement and reporting configuration; send an indication that an activation condition is met for the at least one second cell; add the at least one second cell to the active set based on a confirmation indication; and measure and report the at least one second cell based on the second measurement and reporting configuration.
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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
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.
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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.
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