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41.发明申请公开(公告)号：US20220232602A1
公开(公告)日：2022-07-21
申请号：US17619532
申请日：2019-06-17
Applicant: NEC CORPORATION
Abstract: Embodiments of the present disclosure relate to method, device and computer readable medium for hybrid automatic repeat request (HARQ) feedback. The method comprises receiving, from a network device, first control information at least comprising first channel indices for a first group of data channels and second channel indices for a second group of data channels, the first group of the data channels being at least part of a first set of data channels scheduled for data transmission from the network device to the terminal device and the second group of the data channels being at least part of a second set of data channels scheduled for the data transmission. The method also comprises generating, based on the first control information, feedback information indicating first reception states of data on the first group of data channels in association with the first channel indices and second reception states of data on the second group of data channels in association with the second channel indices. The method further comprises transmitting the feedback information via an uplink channel to the network device. In this way, for the case that the HARQ ACK/NACK feedback related to multiple PDSCH groups in a same PUCCH, the miss detection of DCI in multiple PDSCH groups may reflect in the bit sequence for the HARQ ACK/NACK feedback, so that the network device may be aware of the miss detection and determine the data to be retransmitted.
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公开(公告)号：US20220085937A1
公开(公告)日：2022-03-17
申请号：US17419988
申请日：2019-01-09
Applicant: NEC CORPORATION
Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for DMRS transmission. A method implemented at a terminal device comprises selecting, from a plurality of computer generated (CG) sequences, a CG sequence for an uplink channel modulated with a predetermined modulation technique. The method further comprises generating, based on the selected CG sequence, a DMRS sequence for the uplink channel. In addition, the method further comprises transmitting, over the uplink channel, the DMRS sequence to a network device. The embodiments of the present disclosure can provide a set of candidate CG sequences with low PAPR, good autocorrelation performance and good cross-correlation performance for generating DMRS sequences for π/2-BPSK modulated PUSCH or PUCCH.
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公开(公告)号：US20210409094A1
公开(公告)日：2021-12-30
申请号：US17290381
申请日：2018-11-09
Applicant: NEC CORPORATION
Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for beam failure recovery. In example embodiments, a method implemented at a network device comprises: determining a plurality of search spaces associated with a control resource set (CORESET) configured for beam failure recovery (BFR); transmitting information on the plurality of search spaces to a terminal device served by the network device; and in response to receiving a BFR request from the terminal device, transmitting a response to the BFR request in the plurality of search spaces.
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公开(公告)号：US20210376963A1
公开(公告)日：2021-12-02
申请号：US17291226
申请日：2018-11-08
Applicant: NEC CORPORATION
Abstract: Embodiments of the present disclosure relate to methods, devices, and computer readable medium for hybrid automatic repeat request (HARQ). A method in a terminal device comprises: receiving a scheduling message from a network device, the scheduling message including information on HARQ feedback, wherein the information on HARQ feedback indicates at least one of: a processing identification for HARQ feedback and the accumulated number of scheduling messages that have been transmitted for the terminal device or the processing identification; detecting data from the network device according to the scheduling message; and transmitting HARQ feedback to the network device based on the information on HARQ feedback.
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公开(公告)号：US20210195618A1
公开(公告)日：2021-06-24
申请号：US17267831
申请日：2018-08-24
Applicant: NEC CORPORATION
Abstract: Embodiments of the present disclosure provide methods, devices and computer readable media for Space Division Multiplexing (SDM) Integrated Access and Backhaul (IAB) transmission. According to a method for communication, a first device determines a first set of transmission resources related to first data transmission between the first device and a second device operating in a half-duplex manner as a relay between the first device and a third device. The first device transmits to the second device scheduling information indicating the first set of transmission resources, such that the second device determines, based on the first set of transmission resources, a second set of transmission resources to be used for second data transmission between the second device and the third device. The embodiments of the present disclosure support SDM for IAB transmission.
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Patent Agency Ranking
公开(公告)号：US20210051644A1
公开(公告)日：2021-02-18
申请号：US16967340
申请日：2018-02-05
Applicant: NEC CORPORATION
Abstract: Embodiments of the present disclosure relate to methods, devices and apparatus of resource mapping for data transmission and of data receiving. In an embodiment of the present disclosure, a carrier frequency band for the data transmission is divided into a plurality of sub-bandwidths, and the method may include mapping resource elements for the data transmission in an order of sub-bandwidths and mapping, in each of the plurality sub-bandwidths, the resource elements first in an order of frequency domain and then in an order of time domain. With embodiments of the present disclosure, new radio access system with wider bandwidth could co-exist well with other communication on unlicensed band like WiFi.
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公开(公告)号：US20200244337A1
公开(公告)日：2020-07-30
申请号：US16651158
申请日：2017-09-27
Applicant: NEC CORPORATION
Abstract: Embodiments of the present disclosure relate to a method, terminal device and apparatus for processing a beam tracking request and a method, network device and apparatus for transmitting a beam tracking request. In an embodiment of the present disclosure, the method of processing a beam tracking request may include receiving a beam tracking request containing beam identification information; transmitting a confirmation as a response to the beam tracking request; and performing an operation corresponding to the beam tracking request if an acknowledgement is transmitted as the confirmation. With embodiments of the present disclosure, it is possible to provide a solution with a reduced latency while keeping beam operation reliability, which is important especially for urgent cases.
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公开(公告)号：US20250106726A1
公开(公告)日：2025-03-27
申请号：US18832797
申请日：2022-01-26
Applicant: NEC CORPORATION
IPC: H04W36/36
Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communication. A terminal device receives a set of configurations for a set of candidate cells. The terminal device determines a reference configuration, and applies, based on the reference configuration, a configuration for a candidate cell in the set of configurations. In this way, a delta configuration may be supported for subsequent conditional cell change or L1/L2 based mobility.
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公开(公告)号：US20240297738A1
公开(公告)日：2024-09-05
申请号：US18663701
申请日：2024-05-14
Applicant: NEC CORPORATION
IPC: H04L1/08 , H04W74/00 , H04W74/0833
CPC classification number: H04L1/08 , H04W74/006 , H04W74/0833
Abstract: Embodiments of the present disclosure relate to communication. According to embodiments of the present disclosure, a network device is able to configure resources dedicated to repetition of transmission during the access procedure. If a terminal device determines to perform the repetition of transmission, the terminal device uses the dedicated resources for the transmission. The numbers of the repetition are determined based on a target power for the transmission and a maximum power at the terminal device. In this way, it improves coverage of the terminal device and the success in accessing channel.
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公开(公告)号：US20240292462A1
公开(公告)日：2024-08-29
申请号：US18686675
申请日：2021-08-27
Applicant: NEC CORPORATION
Inventor： Gang WANG , Zhaobang MIAO , Lin LIANG
IPC: H04W74/0816 , H04W74/08 , H04W92/18
CPC classification number: H04W74/0816 , H04W74/0875 , H04W92/18
Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable media for communications. A method comprises determining, at a first terminal device, channel occupancy (CO) for sidelink transmission. The method further comprises transmitting configuration information about the CO.
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