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公开(公告)号：US20250167953A1
公开(公告)日：2025-05-22
申请号：US18706985
申请日：2021-11-05
Applicant: NEC CORPORATION
Abstract: Example embodiments of the present disclosure relate to an effective mechanism for handing the scenario of discontinuous coverage. In this solution, the terminal device generates at least one beam report based on an active transmission configuration indicator (TCI) state of the terminal device, where the terminal device is configured with at least one of a serving cell associated with a first physical cell identity (PCI) and a neighbor cell associated with a second PCI. The terminal device further transmits the at least one beam measurement report in the serving cell or in the neighbor cell. In this way, the number of reporting the useless and unnecessary measurements result is reduced.
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公开(公告)号：US20250071540A1
公开(公告)日：2025-02-27
申请号：US18723303
申请日：2021-12-24
Applicant: NEC CORPORATION
IPC: H04W8/22 , H04B7/06 , H04B17/309 , H04B17/318 , H04W16/28 , H04W24/02
Abstract: Embodiments of the present invention disclose methods, devices, and computer readable medium for communication. According to embodiments of the present disclosure, a terminal device reports one or more capabilities of the terminal device to a network device. The one or more capabilities indicate that the terminal device supports an artificial intelligent/machine learning (AI/ML) model. The terminal device receives an indication which triggers a channel state information (CSI) report for the AI/ML model from the network device. The terminal device measures a set of reference signals for the CSI report. In this way, the AI/ML model can be trained to improve accuracy of the beam management.
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公开(公告)号：US20250056285A1
公开(公告)日：2025-02-13
申请号：US18720739
申请日：2021-12-23
Applicant: NEC CORPORATION
IPC: H04W24/10 , H04B17/318 , H04B17/336 , H04L5/00
Abstract: Example embodiments of the present disclosure relate to an effective mechanism for handling the panel-related information. In this solution, the terminal device transmits a correspondence report to a network device, where the correspondence report indicates a first correspondence between at least one first capability value set and at least one first RS. The terminal device further communicates with the network device according to a feedback state of the correspondence report, where the feedback state is an ACK or a NACK. In this way, the misalignment between the network device and the terminal device is avoided.
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公开(公告)号：US20250048369A1
公开(公告)日：2025-02-06
申请号：US18837446
申请日：2022-02-10
Applicant: NEC CORPORATION
IPC: H04W72/21 , H04W72/044 , H04W74/0833
Abstract: Embodiments of the present disclosure relate to a method, device and computer readable storage medium of communication. The method comprises determining, at a terminal device, an uplink resource for at least one uplink transmission. The method further comprises performing, the at least one uplink transmission based on one TCI state or more than one transmission configuration indicator (TCI) state based on at least one of the following: a number of TCI states associated with the uplink resource, or a number of uplink resource sets associated with the uplink resource, each uplink resource set corresponding to a TCI state. In this way, the multi-TRP based physical uplink control channel (PUCCH) transmission is enabled.
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公开(公告)号：US20250007598A1
公开(公告)日：2025-01-02
申请号：US18695681
申请日：2021-09-27
Applicant: NEC CORPORATION
Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communications. A method implemented at a terminal device comprises in response to switching to a second frequency part, determining a time duration for the terminal device to use a first reference signal received from a network device in a first frequency part as a Quasi Co-location (QCL) reference signal. The terminal device performs communication with the network device before the time duration ends based on a first set of properties obtained by measuring at least the first reference signal. The method also comprises obtaining, within the time duration, a second set of properties by measuring at least a second reference signal received from the network device in the second frequency part, the second reference signal and the first reference signal having a first identification. The method also comprises performing, after the time duration, communication in the second frequency part with the network device based on the second set of properties by using the second reference signal as the QCL reference signal.
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Patent Agency Ranking
公开(公告)号：US20240215019A1
公开(公告)日：2024-06-27
申请号：US18288737
申请日：2021-04-29
Applicant: NEC CORPORATION
IPC: H04W72/1268 , H04L5/00 , H04W52/14 , H04W72/232
CPC classification number: H04W72/1268 , H04L5/0048 , H04W52/146 , H04W72/232
Abstract: Embodiments of the present disclosure relate to a method, device and computer readable storage medium of communication. The method comprises receiving at a terminal device a DCI for scheduling at least one PUSCH transmission from a network device. The DCI comprises a first field indicating that the at least one PUSCH transmission is to be transmitted based on a SRS resource set from a plurality of SRS resource sets or the plurality of SRS resource sets, and a second field indicating an index of the single SRS resource set for transmitting the at least one PUSCH transmission. The method further comprises transmitting, by the terminal device, the at least one PUSCH transmission based on the DCI to the network device. In this way, when supporting dynamic switching between single-TRP transmission and multi-TRP transmission, the newly-introduced overhead may be minimized.
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公开(公告)号：US20250142659A1
公开(公告)日：2025-05-01
申请号：US18865770
申请日：2022-05-18
Applicant: NEC Corporation
IPC: H04W76/20 , H04L1/1812 , H04W74/0833
Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media of communication. A terminal device receives, from a network device, a first configuration information transmitted on a first cell, wherein the first configuration information includes a set of TCI states, and the set of TCI states is associated with a second cell different from the first cell. The terminal device receives a first activation command to activate one or more TCI states, wherein the one or more TCI states comprise at least one TCI state from the set of TCI states. The terminal device applies the one or more activated TCI states from a first slot after a predefined timing. In this way, a beam for the second cell can be indicated according to the TCI state indicated by the first cell before serving cell change; accordingly, the latency, the overhead and the interruption time during the inter-cell mobility can be reduced.
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公开(公告)号：US20250106865A1
公开(公告)日：2025-03-27
申请号：US18725928
申请日：2021-12-30
Applicant: NEC CORPORATION
IPC: H04W72/231 , H04L1/1812 , H04W16/28 , H04W72/12 , H04W76/20
Abstract: Embodiments of the present disclosure relate to methods, devices and computer storage media for communication. According to embodiments of the present disclosure, a terminal device transmits, to a network device, a first hybrid automatic repeat request acknowledgement (HARQ-ACK) information corresponding to a first downlink control information (DCI) in a first physical downlink control channel (PDCCH), wherein the first DCI indicates a first transmission configuration indicator (TCI) state. If a condition is fulfilled, the terminal device applies the first TCI state. In this way, the terminal device understands when and/or whether to apply the indicated TCI state.
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公开(公告)号：US20250096866A1
公开(公告)日：2025-03-20
申请号：US18725640
申请日：2021-12-31
Applicant: NEC CORPORATION
IPC: H04B7/06
Abstract: Embodiments of the present disclosure relate to methods, devices, and computer readable medium for communication. According to embodiments of the present disclosure, a terminal device receives downlink information for triggering a report from a network device. The terminal device determines whether an inference failure occurs in a data processing model. The terminal device transmits the report to the network device. The report indicates whether the inference failure occurs in the data processing model and/or whether information in the report is generated based on the data processing model. In this way, the network device can be informed about the inference failure, thereby improving accuracy of information transmitted by the terminal device.
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公开(公告)号：US20250062818A1
公开(公告)日：2025-02-20
申请号：US18721471
申请日：2021-12-20
Applicant: NEC CORPORATION
Abstract: Embodiments of the present disclosure relate to methods, devices and computer storage media for communication. According to this solution, a terminal device detects a beam failure on a first component carrier (CC). The terminal device applies at least one ne quasi co-location (QCL) parameters as the ones associated with a first reference signal for downlink reception on the first CC until a first timing, or applies a spatial domain filter as the one associated with the first reference signal or as for a physical random access channel (PRACH) transmission for uplink transmission on the first CC until the first timing. In this way, the failed CC can still be under control of common beam update/activation.
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