公开(公告)号：US20240364395A1

公开(公告)日：2024-10-31

申请号：US18770890

申请日：2024-07-12

申请人： QUALCOMM Incorporated

发明人： Navin Dunichand ANWANI ,  Supratik BHATTACHARJEE ,  Pouriya SADEGHI ,  Sanaz BARGHI ,  Gautham HARIHARAN ,  Ashutosh Vinod AGRAWAL ,  Alexandre PIERROT ,  Ali KOOCHAKZADEH

IPC分类号： H04B7/0456 ,  H04B7/0417

CPC分类号： H04B7/0486 ,  H04B7/0417

摘要： Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a signal. The UE may measure the signal to explore one or more inactive ranks or inactive precoders. The UE may transmit, based at least in part on the measuring, a report that includes channel state information for at least one of the one or more inactive ranks or inactive precoders. Numerous other aspects are described.

公开(公告)号：US12127237B2

公开(公告)日：2024-10-22

申请号：US18364782

申请日：2023-08-03

申请人： Apple Inc.

发明人： Alexei Davydov ,  Gregory V. Morozov ,  Victor Sergeev

IPC分类号： H04W72/542 ,  H04B7/0417 ,  H04B7/06 ,  H04L5/00 ,  H04W72/541

CPC分类号： H04W72/542 ,  H04B7/0417 ,  H04B7/0617 ,  H04B7/0626 ,  H04L5/0023 ,  H04L5/0039 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0091 ,  H04W72/541

摘要： Techniques for measuring CSI (Channel State Information) based on beamformed CSI-RS having reduced overhead are discussed. One example embodiment configured to be employed in a UE (User Equipment) comprises a memory; and one or more processors configured to: process higher layer signaling indicating one or more CSI-RS resources associated with a plurality of REs (Resource Elements) comprising a RE for each CSI-RS resource for each of one or more CSI-RS APs (Antenna Ports) in each of a plurality of continuous PRBs (physical resource blocks); process additional higher layer signaling comprising one or more CSI-RS parameters that indicate a subset of the plurality of REs associated with a beamformed CSI-RS transmission; decode one or more CSI-RSs from the indicated subset; and measure one or more CSI parameters based on the decoded one or more CSI-RSs.

公开(公告)号：US12126406B2

公开(公告)日：2024-10-22

申请号：US18477477

申请日：2023-09-28

申请人： Samsung Electronics Co., Ltd.

发明人： Md. Saifur Rahman ,  Eko Onggosanusi

IPC分类号： H04B7/0417 ,  H04B7/06 ,  H04L5/00 ,  H04W72/0453 ,  H04W72/21 ,  H04W80/08

CPC分类号： H04B7/0417 ,  H04B7/0626 ,  H04B7/0639 ,  H04L5/0051 ,  H04W72/0453 ,  H04W72/21 ,  H04W80/08

摘要： A method for operating a user equipment (UE) for channel state information (CSI) feedback in a wireless communication system is provided. The method comprises receiving, from a base station (BS), CSI reference signals (CSI-RSs) and CSI feedback configuration information, estimating a channel based on the received CSI-RSs, determining, based on the estimated channel and the CSI feedback configuration information, a number of non-zero coefficients (KlNZ) for each layer (l) of a total number of υ layers, wherein υ≥1 is a rank value, and a sum of the KlNZ across each of the υ layers as a total number of non-zero coefficients (KNZ), where KNZ=Σl=1υKlNZ. The method further comprises transmitting, to the BS, the CSI feedback including the KNZ value over an uplink (UL) channel.

公开(公告)号：US12119897B2

公开(公告)日：2024-10-15

申请号：US17594285

申请日：2020-04-08

申请人： LG ELECTRONICS INC.

发明人： Seongwon Go ,  Jonghyun Park ,  Jiwon Kang

IPC分类号： H04B7/0417 ,  H04B7/06

CPC分类号： H04B7/0417 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/0695

摘要： A method for reporting channel state information (CSI) performed by a UE in a wireless communication system according to an embodiment of the present disclosure includes transmitting UE capability information related to a plurality of panels, receiving configuration information related to reporting of CSI, receiving a downlink reference signal (DL RS) based on the configuration information, and transmitting CSI related to a measurement result for the DL RS.

公开(公告)号：US12113595B2

公开(公告)日：2024-10-08

申请号：US18004347

申请日：2020-07-10

申请人： Telefonaktiebolaget LM Ericsson (publ)

发明人： Miguel Lopez ,  Leif Wilhelmsson

IPC分类号： H04B7/0456 ,  H04B7/0417 ,  H04W84/12

CPC分类号： H04B7/0456 ,  H04B7/0417 ,  H04W84/12

摘要： A method is disclosed of a transmitter configured to transmit one or more physical layer packets, which together have a plurality of measurement signals for channel estimation. The method includes receiving (from a sensing device) a precoding setting request for the measurement signals for channel estimation, wherein the precoding setting request is indicative of one or more precoding settings prioritized for sensing, configuring the transmitter to use precoding settings for the plurality of measurement signals for channel estimation based on the precoding setting request, and transmitting the one or more physical layer packets. A method is also disclosed of a receiver configured to operate as a sensing device.

公开(公告)号：US12101144B2

公开(公告)日：2024-09-24

申请号：US17648590

申请日：2022-01-21

申请人： QUALCOMM Incorporated

发明人： Navin Dunichand Anwani ,  Supratik Bhattacharjee ,  Pouriya Sadeghi ,  Sanaz Barghi ,  Gautham Hariharan ,  Ashutosh Vinod Agrawal ,  Alexandre Pierrot ,  Ali Koochakzadeh

IPC分类号： H04B7/02 ,  H04B7/0417 ,  H04B7/0456

CPC分类号： H04B7/0486 ,  H04B7/0417

摘要： Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a signal. The UE may measure the signal to explore one or more inactive ranks or inactive precoders. The UE may transmit, based at least in part on the measuring, a report that includes channel state information for at least one of the one or more inactive ranks or inactive precoders. Numerous other aspects are described.

公开(公告)号：US12088378B2

公开(公告)日：2024-09-10

申请号：US17447778

申请日：2021-09-15

申请人： QUALCOMM Incorporated

发明人： Taesang Yoo ,  Pavan Kumar Vitthaladevuni ,  Naga Bhushan ,  Krishna Kiran Mukkavilli ,  Tingfang Ji ,  Hwan Joon Kwon ,  June Namgoong ,  Jay Kumar Sundararajan ,  Sooryanarayanan Gopalakrishnan ,  Wanshi Chen

IPC分类号： H04J3/14 ,  G06N3/02 ,  H04B7/0417 ,  H04B7/06 ,  H04L5/00

CPC分类号： H04B7/0626 ,  G06N3/02 ,  H04B7/0417 ,  H04L5/0051

摘要： A base station may precode a first reference signal using a first precoder (P1) and at least one second reference signal using at least one second precoder (P2). At least two UEs may measure the first reference signal and the at least one second reference signal, and transmit channel state feedback based on the measuring (m11 and m12 for a first UE, and m21 and m22 for a second UE). The channel state feedback may comprise channel state information compressed by at least one neural network. The base station may derive a higher-level precoder (W) for multiple-input multiple-output (MIMO) downlink transmission to the at least two UEs.

公开(公告)号：US12081379B2

公开(公告)日：2024-09-03

申请号：US18210380

申请日：2023-06-15

申请人： Sun Patent Trust

发明人： Yutaka Murakami ,  Tomohiro Kimura ,  Mikihiro Ouchi

IPC分类号： H04L27/26 ,  H04B7/0417 ,  H04B7/0456 ,  H04L1/00 ,  H04L5/00 ,  H04L25/03 ,  H04L25/49 ,  H04L27/20 ,  H04L27/22

CPC分类号： H04L27/2602 ,  H04B7/0417 ,  H04B7/0456 ,  H04B7/046 ,  H04B7/0478 ,  H04L1/0042 ,  H04L1/007 ,  H04L5/0053 ,  H04L25/0391 ,  H04L25/03942 ,  H04L25/4906 ,  H04L27/2032 ,  H04L27/22 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0046 ,  H04L5/0048 ,  H04L27/2601

摘要： Provided is a precoding method for generating, from a plurality of baseband signals, a plurality of precoded signals to be transmitted over the same frequency bandwidth at the same time, including the steps of selecting a matrix F[i] from among N matrices, which define precoding performed on the plurality of baseband signals, while switching between the N matrices, i being an integer from 0 to N−1, and N being an integer at least two, generating a first precoded signal z1 and a second precoded signal z2, generating a first encoded block and a second encoded block using a predetermined error correction block encoding method, generating a baseband signal with M symbols from the first encoded block and a baseband signal with M symbols the second encoded block, and precoding a combination of the generated baseband signals to generate a precoded signal having M slots.

公开(公告)号：US20240291603A1

公开(公告)日：2024-08-29

申请号：US18424450

申请日：2024-01-26

申请人： Samsung Electronics Co., Ltd.

发明人： Gilwon Lee ,  Md. Saifur Rahman ,  Eko Onggosanusi

IPC分类号： H04L5/00 ,  H04B7/0417 ,  H04B7/06

CPC分类号： H04L5/0035 ,  H04B7/0417 ,  H04B7/0626 ,  H04L5/0051

摘要： Apparatuses and methods for channel state information (CSI) codebook parameters for coherent joint-transmission. A method performed by a user equipment (UE) includes receiving information about a CSI report. The information indicates codebook parameters NL≥1 combinations of values of {α1, . . . , αNTRP} from a first table and a value of (M,β) from a second table. {α1, . . . , αNTRP} is related to a number of a first set of vectors associated with each of NTRP groups of ports, where αr≤1 for r=1, . . . , NTRP, β is a parameter related to a maximum number of coefficients, and M is a parameter related to a second set of vectors. The method further includes determining the CSI report based on the information and transmitting the CSI report. The codebook parameters are configured based on a third table that links the first and second tables.

公开(公告)号：US20240283493A1

公开(公告)日：2024-08-22

申请号：US18440998

申请日：2024-02-14

申请人： MediaTek Inc.

发明人： Chia-Hao Yu ,  Tzu-Han Chou ,  Jiann-Ching Guey ,  Chin-Kuo Jao ,  Parisa Cheraghi ,  Chun-Chia Tsai

IPC分类号： H04B7/0417 ,  H04B7/0452

CPC分类号： H04B7/0417 ,  H04B7/0452

摘要： Various solutions for tiered channel information feedback with respect to user equipment and network apparatus in mobile communications are described. An apparatus may determine a first tier channel state information (CSI) based on a first reference signal resource measurement. The apparatus may report the first tier CSI to a network node. The apparatus may determine a second tier CSI based on the first tier CSI and based on a second reference signal resource measurement. The apparatus may report the second tier CSI to the network node. The second tier CSI may be different from the first tier CSI.