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公开(公告)号：US20250168890A1
公开(公告)日：2025-05-22
申请号：US18833718
申请日：2022-01-27
Applicant: NEC CORPORATION
IPC: H04W74/0833 , H04W56/00 , H04W76/38
Abstract: Embodiments of the present disclosure relate to methods, devices, and computer readable medium for communication. According to embodiments of the present disclosure, a first network device receives a plurality of SSB signals from a second network device in a plurality of periods. The first network device transmits the plurality of SSB signals by a first network device via a plurality of first beams towards respective directions. A first beam for transmitting the plurality of SSB signals is changed per period, and random access resources correspond to the plurality of SSB signals being associated with the plurality of periods. The first network device receives, from a terminal device, a random access signal on one of the random access resources associated with a corresponding one of the plurality of periods. The first network device transmits the random access signal to the second network device. In this way, the beam determination procedure for the link between the repeater and the UE can be facilitated.
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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：US20250142534A1
公开(公告)日：2025-05-01
申请号：US18835657
申请日：2022-02-10
Applicant: NEC CORPORATION
IPC: H04W72/02 , H04L1/00 , H04L1/1812 , H04L5/00
Abstract: Embodiments of the present disclosure relate to methods, devices, and computer readable medium for communication. According to some embodiments, a method comprises determining, at a terminal device, that a negative acknowledgment (NACK) feedback is to be transmitted for at least one of a set of transport blocks (TBs) transmitted from a network device; selecting, from a mapping table associated with the set of TBs, a cyclic shift value mapped to a combination of the at least one TB; generating a sequence at least based on the selected cyclic shift value; and transmitting, to the network device, the NACK feedback for the at least one TB using the generated sequence.
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公开(公告)号：US20250106081A1
公开(公告)日：2025-03-27
申请号：US18976744
申请日：2024-12-11
Applicant: NEC Corporation
Abstract: Embodiments of the present disclosure relate to methods and apparatuses of synchronization signal transmission and receiving in a wireless communication system. The method of synchronization signal transmission in a wireless communication system may comprise transmitting a signal set containing one or more synchronization signals, wherein the one or more synchronization signals are transmitted in a predetermined signal transmission pattern within a signal transmission period, and wherein the predetermined signal transmission pattern indicates information on synchronization signal transmission. With embodiments of the present disclosure, it may indicate the information on synchronization signal transmission information by means of the signal transmission mode. Thus, especially for an initial access process, it can provide a common frame for both single beam based deployment and multi-beam based deployment.
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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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Patent Agency Ranking
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：US20240348411A1
公开(公告)日：2024-10-17
申请号：US18757836
申请日：2024-06-28
Applicant: NEC CORPORATION
IPC: H04L5/00
CPC classification number: H04L5/0094 , H04L5/0048
Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communication. A method of communication comprises receiving, at a first device, control information from a second device; determining a transmission control indication (TCI) codepoint from the control information, the TCI codepoint indicating at least a first TCI state and a second TCI state to be used for communicating data with the second device over a physical shared channel; in response to a number of repetitions of the data being configured to be scheduled by the control information, determining a first configuration for communicating the repetitions of the data with the second device, the first configuration assigning the first and second TCI states to the repetitions of the data; and communicating, at least based on the first configuration, the repetitions of the data with the second device over the physical shared channel.
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公开(公告)号：US20240187199A1
公开(公告)日：2024-06-06
申请号：US18285152
申请日：2021-04-02
Applicant: NEC CORPORATION
IPC: H04L5/00 , H04W72/232
CPC classification number: H04L5/0094 , H04L5/0053 , H04W72/232
Abstract: Embodiments of the present disclosure relate to methods, devices and computer storage media for communication. According to embodiments of the present disclosure, a downlink control information (DCI) indicating a transmission configuration indication (TCI) state is transmitted from a network device to a terminal device. The terminal device applies, based on a first association, the TCI state for receiving a physical downlink shared channel (PDSCH) which is scheduled by the DCI from the network device. The terminal device applies, based on a time threshold and a second association, the TCI state for receiving a physical downlink control channel (PDCCH) transmitted from the network device. As such, a common beam used for PDCCH and PDSCH, which is indicated by a common TCI state, can be updated and the updated beam can be applied for PDCCH and PDSCH transmission/reception in case of multi-TRP transmission.
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公开(公告)号：US20240129932A1
公开(公告)日：2024-04-18
申请号：US18039749
申请日：2020-12-03
Applicant: NEC CORPORATION
IPC: H04W72/232 , H04B7/06 , H04L5/00 , H04W72/1268
CPC classification number: H04W72/232 , H04B7/0639 , H04L5/0051 , H04W72/1268
Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communication of a RS. According to embodiments of the present disclosure, the terminal device receives information indicating a set of resources for transmitting a reference signal from the network device. If the terminal device receives an indication in a first slot for triggering a transmission of the reference signal, the terminal device determines a second slot for transmitting the reference signal. The terminal device determines whether the second slot is valid based on a slot configuration. In this way, it can avoid the SRS transmission timing ambiguous or misalignment between terminal device and network.
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公开(公告)号：US20230421298A1
公开(公告)日：2023-12-28
申请号：US18243333
申请日：2023-09-07
Applicant: NEC CORPORATION
Inventor： Yukai GAO , Chuangxin Jiang , Zhennian Sun , Gang Wang
IPC: H04L1/1607 , H04L5/00 , H04L1/1867 , H04L1/1829 , H04L27/26 , H04W72/21 , H04W28/06
CPC classification number: H04L1/1607 , H04L5/00 , H04L5/0051 , H04L5/0053 , H04L5/0055 , H04L1/1893 , H04L1/1829 , H04L27/26136 , H04W72/21 , H04W28/06
Abstract: Embodiments of the present disclosure relate to a method and apparatus of transmitting uplink (UL) information and a method and apparatus of receiving UL information. In one embodiment of the present disclosure, the method of transmitting UL information comprises transmitting a reference signal using a first sequence; and transmitting UL control information using a second sequence; wherein a reference signal and the UL control information are staggered-multiplexed in frequency domain. With embodiments of the present disclosure, the uplink information can be transmitted in reduced uplink symbols so as to adapt for a proposed subframe structure with reduced uplink symbols and thus, the transmission latency can be reduced greatly.
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