公开(公告)号：US20230397259A1

公开(公告)日：2023-12-07

申请号：US18249688

申请日：2021-01-14

Applicant: Nokia Technologies Oy

Inventor： Mads LAURIDSEN ,  Jeroen WIGARD

IPC: H04W74/08 ,  H04W74/00 ,  H04W72/542

CPC classification number: H04W74/0833 ,  H04W74/006 ,  H04W72/542 ,  H04W84/06

Abstract: This document discloses a solution for performing a random access procedure. According to an aspect, a method for a terminal device comprises: receiving, from an access node, system information comprising a first random access configuration and at least a second random access configuration; determining, whether a link loss between the terminal device and the access node is increasing or decreasing; if the link loss is determined to decrease, selecting the first random access configuration and performing the random access with the access node by using the first random access configuration; and if the link loss is determined to increase, selecting the second random access configuration and performing random access with the access node by using the second random access configuration.

公开(公告)号：US20230022283A1

公开(公告)日：2023-01-26

申请号：US17429858

申请日：2019-02-11

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Jeroen WIGARD ,  Daniela LASELVA ,  István Zsolt KOVÁCS ,  Mads LAURIDSEN

IPC: H04W52/24

Abstract: There is provided an apparatus, said apparatus comprising means for determining which of at least two lower layer radio units co-located at a first location, each lower layer radio unit associated with a higher layer radio unit, has a best path to the associated higher layer radio unit and causing the transmit power of the determined one of the at least two lower layer radio units received at a user equipment to be higher relative to the transmit power of any of the other of the at least two lower layer radio units received at the user equipment.

公开(公告)号：US20220386382A1

公开(公告)日：2022-12-01

申请号：US17775441

申请日：2020-10-19

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Raphael MEDEIROS DE AMORIM ,  István Zsolt KOVÁCS ,  Karri Markus RANTA-AHO ,  Jeroen WIGARD ,  Mads LAURIDSEN

IPC: H04W74/08 ,  H04W56/00

Abstract: A method may include sending, by a user equipment, a random access preamble message to a network element. The method may also include receiving an uplink grant in a random access response message in response to the random access preamble message. The method may further include adding an implicit timing advance offset to an uplink time domain resource allocation of the uplink grant to establish synchronization of radio transmissions between the user equipment and the network element. The method may also include transmitting a scheduled transmission message including the implicit timing advance offset to the network element. Further, the implicit timing advance offset may be added to the uplink time domain resource before the scheduled transmission message is transmitted.

公开(公告)号：US20210029598A1

公开(公告)日：2021-01-28

申请号：US16975477

申请日：2018-03-02

Applicant: NOKIA TECHNOLOGIES Oy

Inventor： Jeroen WIGARD ,  István Zsolt KOVACS

IPC: H04W36/00 ,  H04W36/32 ,  H04B7/185

Abstract: This document discloses a solution for providing a terminal device with one or more candidate cells for link setup. A network node providing the candidate cell(s) may compute a validity window for each candidate cell and indicate the validity window(s) to the terminal device. The terminal device may then perform the link setup with a candidate cell within the respective

公开(公告)号：US20200059990A1

公开(公告)日：2020-02-20

申请号：US16346713

申请日：2016-11-01

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Jeroen WIGARD ,  Istvan Z. KOVACS ,  Thomas JACOBSEN ,  Daniela LASELVA ,  Poul LARSEN

IPC: H04W76/36 ,  H04W24/08 ,  H04W76/18 ,  H04W76/38

Abstract: A method, apparatus and computer program are disclosed that perform in a wireless network: monitoring radio network connectivity release requests received from a wireless device of a given subscriber of the wireless network; determining a radio network connectivity release request frequency based on the radio network connectivity release requests received from the wireless device; receiving a current radio network connectivity release request from the wireless device; determining whether the radio network connectivity release request frequency meets a first threshold and: if yes, taking first corrective action to mitigate network load by excessive radio network connectivity release requests.

公开(公告)号：US20190342845A1

公开(公告)日：2019-11-07

申请号：US16389800

申请日：2019-04-19

Applicant: Nokia Technologies Oy

Inventor： Daniela LASELVA ,  Frank FREDERIKSEN ,  István KOVÁCS ,  Jeroen WIGARD

IPC: H04W56/00 ,  H04W72/04 ,  H04L1/18

Abstract: A method includes receiving, from a base station, network signaling including information about one or more of a timing advance scaling parameter, a processing-delay compensation parameter, and a timing advance extension parameters enabling threshold/condition; receiving a timing advance index from the base station; adjusting parameters for uplink transmissions using the received timing advance index for the one or more of the timing advance scaling parameter, the processing-delay compensation parameter, and the timing advance extension parameters enabling threshold/condition; and performing uplink transmissions according to the configured and adjusted parameters. Another method includes sending, to a user equipment, network signaling including information about one or more of a timing advance scaling parameter, a processing-delay compensation parameter, and a timing advance extension parameters enabling threshold/condition; sending a timing advance index to the user equipment; and receiving uplink transmissions according to the configured and adjusted parameters.

公开(公告)号：US20180176964A1

公开(公告)日：2018-06-21

申请号：US15379884

申请日：2016-12-15

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Istvan Zsolt KOVACS ,  Jeroen WIGARD ,  Thomas JACOBSEN

IPC: H04W76/02 ,  H04W84/04 ,  H04W8/26 ,  H04W74/00 ,  H04W74/08 ,  H04W76/06

CPC classification number: H04W76/11 ,  H04W8/26 ,  H04W74/002 ,  H04W74/004 ,  H04W74/006 ,  H04W74/0833 ,  H04W76/15 ,  H04W76/38 ,  H04W84/045

Abstract: Various communication systems may benefit from improved network access. For example, communication systems may benefit from deriving a radio network temporary identification at both a user equipment and a base station, without requiring additional uplink signaling. A method, in certain embodiments, may include sending a short identification from a user equipment to a base station during a contention based access instance. The short identification is generated based on an initial cell radio network temporary identification. The method may also include receiving at the user equipment a user equipment radio network temporary identification from the base station. The user equipment radio network temporary identification is based on the short identification. In addition, the method may include generating at the user equipment a subsequent cell radio network temporary identification based at least on the short identification and the received user equipment radio network temporary identification.

公开(公告)号：US20250168738A1

公开(公告)日：2025-05-22

申请号：US18726888

申请日：2022-01-05

Applicant: Nokia Technologies Oy

Inventor： Jedrzej STANCZAK ,  Ahmad AWADA ,  Mads LAURIDSEN ,  Jeroen WIGARD

IPC: H04W36/36 ,  H04W76/19

Abstract: Systems, methods, and apparatuses for CHO recovery in NTN are provided. One method may include a UE selecting at least one cell of a NTN, determining whether the selected cell is a CHO candidate cell and, when it is determined that the selected cell is a CHO candidate cell, evaluating one or more CHO conditions. The evaluating may include: determining if a timer measuring a duration of a time window within which the UE is allowed to execute the CHO is running or if a distance between the UE and the selected cell is below a configurable threshold, determining if an expiration of the timer or the distance is within a defined offset, and/or determining if the selected at least one cell is within a chain of CHOs list. When it is determined that the CHO condition(s) are met, attempting the CHO procedure to the selected cell.

公开(公告)号：US20250071641A1

公开(公告)日：2025-02-27

申请号：US18800558

申请日：2024-08-12

Applicant: Nokia Technologies Oy

Inventor： Jeroen WIGARD ,  Enric JUAN ,  Jedrzej STANCZAK ,  Frank FREDERIKSEN ,  Ahmad MASRI

IPC: H04W36/08 ,  H04W36/00 ,  H04W36/02

Abstract: The present disclosure relates to on transition to another cell without handover in non-terrestrial network (NTN). In particular, a NTN device transmits information related to a set of NTN devices to a terminal a first device receives assistance information of a NTN device from a second device. The assistance information at least indicated a type of a cell switching. The first device skips buffer flushing and security key updating regardless of the type of cell switching. In this way, it can achieve cell switching without handover.

公开(公告)号：US20250056385A1

公开(公告)日：2025-02-13

申请号：US18790461

申请日：2024-07-31

Applicant: Nokia Technologies Oy

Inventor： Rafhael MEDEIROS DE AMORIM ,  Jeroen WIGARD ,  Enric JUAN

IPC: H04W48/10 ,  H04W84/06

Abstract: A method is provided that includes scheduling transmission of system information blocks (SIBs) including information elements with assistance information for a first aerospace platform, and a separate at least one information element with assistance information for a second aerospace platform. The first aerospace platform and the second aerospace platform are configured to provide respectively a first non-terrestrial network (NTN) cell and a second NTN cell that are quasi-Earth-fixed cells serving a geographic area for limited periods of time. The method also includes causing a user equipment in the first NTN cell to acquire the separate at least one information element with the assistance information for the second aerospace platform, during a period of time the geographic area is served by the first NTN cell, before the geographic area is served by the second NTN cell.