公开(公告)号：US11588530B2

公开(公告)日：2023-02-21

申请号：US15734198

申请日：2019-05-28

Applicant: ZTE CORPORATION

Inventor： Hao Wu ,  Zhaohua Lu ,  Yijian Chen ,  Chuangxin Jiang ,  Nan Zhang

IPC: H04B7/02 ,  H04B7/06 ,  H04B7/0417

Abstract: Provided are an information feedback method, terminal, base station, a storage medium, and an electronic device. The method includes: decomposing a channel state information (CSI) matrix H to obtain a matrix Ud and a matrix Vd, where Ud is a matrix having d columns, and every two column vectors are mutually orthogonal; and Vd is a matrix having d columns, and every two column vectors are mutually orthogonal; and feeding back amplitude and phase information of elements in Ud including d left eigenvectors and/or amplitude and phase information of elements in Vd including d right eigenvectors.

公开(公告)号：US11088792B2

公开(公告)日：2021-08-10

申请号：US16370872

申请日：2019-03-29

Applicant: ZTE Corporation

Inventor： Nan Zhang ,  Yijian Chen ,  Zhaohua Lu ,  Yu Ngok Li ,  Hao Wu

IPC: H04L12/28 ,  H04L5/00 ,  H04B17/364 ,  H04B17/391 ,  H04B7/06 ,  H04L27/26 ,  H04B7/024

Abstract: The present disclosure provides a method and device for representing a quasi co-location (QCL) parameter configuration, a transmitting apparatus and a receiving apparatus. The method include: acquiring a second QCL characteristic parameter set including part or all of characteristic parameters in a first QCL characteristic parameter set; and indicating configuration information of the second QCL characteristic parameter set to a receiving terminal by signaling. The present disclosure solves the problem in the existing art that QCL information between different reference signals or different antenna ports cannot be flexibly configured.

公开(公告)号：US10985863B2

公开(公告)日：2021-04-20

申请号：US16324241

申请日：2017-08-01

Applicant: ZTE CORPORATION

Inventor： Jian Li ,  Yu Ngok Li ,  Jun Xu ,  Peng Hao ,  Nan Zhang

IPC: H04L1/00 ,  H04W76/27 ,  H04L27/36 ,  H04W72/04

Abstract: A method and apparatus for transmitting a transport block, and a method and apparatus for receiving a transport block are provided. The method includes: acquiring, by a transmitting node, a data signal obtained by performing a process of a physical layer procedure on the transport block, where the physical layer procedure at least includes channel coding and modulating, one transport block has multiple modulating and coding schemes, the multiple modulating and coding schemes include multiple modulating schemes, or multiple coding schemes, or multiple modulating schemes and multiple coding schemes; and transmitting, by the transmitting node, the data signal and a control signal corresponding to the data signal to a receiving node.

公开(公告)号：US20190327058A1

公开(公告)日：2019-10-24

申请号：US16503508

申请日：2019-07-04

Applicant: ZTE Corporation

Inventor： Chuangxin Jiang ,  Zhaohua Lu ,  Yu Ngok Li ,  Hao Wu ,  Bo Gao ,  Nan Zhang

IPC: H04L5/00 ,  H04B7/01 ,  H04W76/27

Abstract: The embodiments of the present disclosure disclose a method for determining a parameter of a reference signal, a method for transmitting a parameter of a reference signal, a terminal device and a base station. The determination method includes: obtaining a parameter of a first type of reference signal by a first signaling; and determining a parameter of a second type of reference signal according to the obtained parameter of the first type of reference signal, and the first type of reference signal and/or the second type of reference signal include at least one of: reference signal for data demodulation, reference signal for phase noise compensation, reference signal for Doppler shift compensation, or extended reference signal for data demodulation.

公开(公告)号：US12245271B2

公开(公告)日：2025-03-04

申请号：US17708363

申请日：2022-03-30

Applicant: ZTE CORPORATION

Inventor： Chenchen Zhang ,  Nan Zhang ,  Wei Cao ,  Kaibo Tian ,  Zhen Yang

IPC: H04W74/00 ,  H04W74/0833

Abstract: The present disclosure relates to methods, systems and devices for use in a wireless terminal includes transmitting, to a wireless network node, a preamble comprising a plurality of parts, wherein each of the plurality of parts comprises at least one sub-preamble and the sub-preambles in the plurality of parts are generated based on a plurality of roots.

公开(公告)号：US12069735B2

公开(公告)日：2024-08-20

申请号：US17486523

申请日：2021-09-27

Applicant: ZTE CORPORATION

Inventor： Wei Cao ,  Nan Zhang ,  Chenchen Zhang ,  Zhen Yang ,  Junfeng Zhang

IPC: H04W74/0833 ,  H04B7/185 ,  H04L27/26 ,  H04W74/00

CPC classification number: H04W74/0833 ,  H04B7/18513 ,  H04L27/26132 ,  H04W74/002

Abstract: Methods, systems, and devices for generating preambles in mobile communication technology are described. An exemplary method for wireless communication includes transmitting, by a network node, a configuration for random access comprising a value indicative of a number of Zadoff-Chu (ZC) sequence roots (M) and a number of repetitions (N), and receiving, from a wireless device, a random access preamble, wherein the random access preamble comprises M concatenated ZC sequences with different roots, and wherein each of the M concatenated ZC sequences is repeated based on N.

公开(公告)号：US11937293B2

公开(公告)日：2024-03-19

申请号：US17377928

申请日：2021-07-16

Applicant: ZTE CORPORATION

Inventor： Wei Cao ,  Zhen Yang ,  Nan Zhang ,  Jianwu Dou ,  Linxi Hu

IPC: H04W74/00 ,  H04B7/185 ,  H04W56/00

CPC classification number: H04W74/008 ,  H04B7/1851 ,  H04W56/0055 ,  H04W74/006 ,  H04W74/0833

Abstract: This disclosure relates generally to wireless communications and, more particularly, to systems and methods for determining an adaptive random access response window length in non-terrestrial networks. In one embodiment, a method performed by a communication device includes: receiving system information from a communication node, wherein the communication node communicates using a satellite in orbit or a high altitude platform station (HAPS); and determining an adaptive random access response window length based on the system information and whether the communication device has access to situation information that: characterizes a location of the communication device, an ephemeris of the satellite or a trajectory of the HAPS, and a payload type of the satellite or the HAPS.

公开(公告)号：US11757680B2

公开(公告)日：2023-09-12

申请号：US17862584

申请日：2022-07-12

Applicant: ZTE Corporation

Inventor： Shujuan Zhang ,  Zhaohua Lu ,  YuNgok Li ,  Yuxin Wang ,  Chuangxin Jiang ,  Hao Wu ,  Nan Zhang

IPC: H04W72/04 ,  H04L25/02 ,  H04B1/7143 ,  H04L5/00 ,  H04W24/10 ,  H04W80/08

CPC classification number: H04L25/0226 ,  H04B1/7143 ,  H04L5/0051 ,  H04L5/0092 ,  H04W24/10 ,  H04W80/08

Abstract: Provided are a reference signal sending method and device, a reference signal receiving method and device and a storage medium. The reference signal sending method includes: determining that frequency domain positions occupied by a reference signal satisfy a predetermined condition, where the predetermined condition includes: discontinuous frequency bands existing among the frequency domain positions occupied by the reference signal, and a union of the discontinuous frequency bands occupied by the reference signal is smaller than a frequency hopping bandwidth; and sending the reference signal at the determined frequency domain positions; wherein the frequency hopping bandwidth is a bandwidth determined according to two frequency domain positions with a largest distance among the frequency domain positions occupied by the reference signal or a predetermined bandwidth acquired by receiving a first signaling message; and wherein each frequency band comprises a physical resource block (PRB).

公开(公告)号：US20230262669A1

公开(公告)日：2023-08-17

申请号：US18302288

申请日：2023-04-18

Applicant: ZTE Corporation

Inventor： Jianqiang Dai ,  Nan Zhang

IPC: H04W72/0446 ,  H04W72/20 ,  H04L1/1812

CPC classification number: H04W72/0446 ,  H04W72/20 ,  H04L1/1812

Abstract: This patent document describes, among other things, techniques, and apparatuses for providing non-terrestrial network connectivity to improve wireless network efficiency and performance. In one aspect, a method of wireless communication is disclosed. The method includes receiving, at a wireless device from a network node, an enhanced control information, wherein the enhanced control information includes one or more bit fields indicative of a timing information. The method further includes performing subsequent communication between the wireless device and the network node based on the enhanced control information.

公开(公告)号：US11722268B2

公开(公告)日：2023-08-08

申请号：US17393323

申请日：2021-08-03

Applicant: ZTE Corporation

Inventor： Nan Zhang ,  Yijian Chen ,  Zhaohua Lu ,  Yu Ngok Li ,  Hao Wu

IPC: H04L12/50 ,  H04L5/00 ,  H04B17/364 ,  H04B17/391 ,  H04B7/06 ,  H04L27/26 ,  H04B7/024

CPC classification number: H04L5/0023 ,  H04B7/024 ,  H04B7/0626 ,  H04B17/364 ,  H04B17/391 ,  H04L5/0048 ,  H04L27/2659 ,  H04L5/0053

Abstract: The present disclosure provides a method and device for representing a quasi co-location (QCL) parameter configuration, a transmitting apparatus and a receiving apparatus. The method include: acquiring a second QCL characteristic parameter set including part or all of characteristic parameters in a first QCL characteristic parameter set; and indicating configuration information of the second QCL characteristic parameter set to a receiving terminal by signaling. The present disclosure solves the problem in the existing art that QCL information between different reference signals or different antenna ports cannot be flexibly configured.