公开(公告)号：WO2021102952A1

公开(公告)日：2021-06-03

申请号：PCT/CN2019/122094

申请日：2019-11-29

Applicant: ZTE CORPORATION

Inventor： WU, Hao ,  LI, Yong ,  ZHENG, Guozeng ,  LU, Zhaohua ,  LI, Yu Ngok

IPC: H04W72/04

Abstract: This disclosure relates to channel state information reference signal configuration, precoding, and transmission, and channel state information feedback configuration and transmission in multiple-input and multiple-output (MIMO) wireless communication systems. The various embodiments provide channel state information reference signal and feedback schemes which facilitate a decrease of the amount of information that need to be transmitted and reduce communication resource overhead for channel state information configuration and feedback.

公开(公告)号：WO2022198373A1

公开(公告)日：2022-09-29

申请号：PCT/CN2021/082041

申请日：2021-03-22

Applicant: ZTE CORPORATION

Inventor： WANG, Yuxin ,  WU, Hao ,  LU, Zhaohua ,  JIANG, Chuangxin ,  LI, Yong

IPC: H04W72/04 ,  H04L5/00

Abstract: Presented are systems and methods for sounding reference signal (SRS) transmission. A wireless communication device may receive configuration information for SRS transmission from a wireless communication node. The wireless communication device may transmit a SRS to the wireless communication node according to the configuration information

公开(公告)号：WO2021102954A1

公开(公告)日：2021-06-03

申请号：PCT/CN2019/122096

申请日：2019-11-29

Applicant: ZTE CORPORATION

Inventor： WU, Hao ,  LI, Yong ,  ZHENG, Guozeng ,  LU, Zhaohua ,  LI, Yu Ngok

IPC: H04W24/10

Abstract: This disclosure relates to channel state information reference signal configuration, precoding, and transmission, and channel state information feedback configuration, compression, and transmission in multiple-input and multiple-output (MIMO) wireless communication systems. The various embodiments provide channel state information reference signal and feedback schemes which facilitate a decrease of the amount of information that need to be transmitted and reduce communication resource overhead for channel state information configuration and feedback.

公开(公告)号：WO2020034424A1

公开(公告)日：2020-02-20

申请号：PCT/CN2018/112901

申请日：2018-10-31

Applicant: ZTE CORPORATION

Inventor： LI, Yong ,  WU, Hao ,  LU, Zhaohua ,  CHEN, Yijian ,  LI, Yu Ngok

IPC: H04B7/0456

Abstract: A wireless communication method is described for a channel state information reporting method. The reporting method may include a communication node performing the following example operations: (1) Performing differential operation on a sequence of coefficients used to compose the precoding matrix vector with a certain vector, where the differential operation may be performed on adjacent frequency domain units in order to produce a resulting sequence. The sequence of coefficients of the certain vector is a sequence formed by the value of the certain vector's coefficients on the different unit of the frequency domain. (2) The resulting sequence can be transformed to obtain another sequence on another domain. (3) Send back at least some of the data in the another sequence to a network node.

公开(公告)号：WO2022241745A1

公开(公告)日：2022-11-24

申请号：PCT/CN2021/095025

申请日：2021-05-21

Applicant: ZTE CORPORATION

Inventor： WANG, Yuxin ,  WU, Hao ,  LU, Zhaohua ,  LI, Yong

IPC: H04W72/04

Abstract: Techniques are described to perform transmission of a reference signal such as a sounding reference signal (SRS). An example wireless communication method includes performing, by a network device, a first transmission that indicates a plurality of partial frequency factor values to a communication device, wherein each partial frequency factor value indicates a number used to determine a reduced number of resource blocks by the communication device to transmit a reference signal; and performing a second transmission, after the first transmission and to the communication device, of one or more bits that indicate a partial frequency factor value from the plurality of partial frequency factor values.

公开(公告)号：WO2021093204A1

公开(公告)日：2021-05-20

申请号：PCT/CN2020/075087

申请日：2020-02-13

Applicant: ZTE CORPORATION

Inventor： LI, Yong ,  WU, Hao ,  LU, Zhaohua ,  ZHENG, Guozeng

IPC: H04W72/04

Abstract: Presented are systems and methods for acquiring channel state information. A wireless communicate node may transmit a channel state information reference signal (CSI-RS) to a wireless communication device via a first antenna port of a plurality of antenna ports of the wireless communication node. The wireless communication node may receive a channel state information (CSI) report from the wireless communication device.

公开(公告)号：WO2018227490A1

公开(公告)日：2018-12-20

申请号：PCT/CN2017/088494

申请日：2017-06-15

Applicant: ZTE CORPORATION

Inventor： LI, Yong ,  LU, Zhaohua ,  CHEN, Yijian ,  JIANG, Chuangxin ,  LI, Yu Ngok

IPC: H04W56/00

Abstract: A method and apparatus for generating a reference signal sequence for performing channel estimation. In one embodiment, the method includes: determining an initialization value; limiting the initialization value to be less than a predetermined positive integer M to provide a limited initialization value; mapping the limited initialization value into an initialization sequence having a predetermined number L of sequence values; providing the initialization sequence to a pseudo-random number generator to generate a pseudo-random number sequence; and generating the RS sequence based on the PRNS.

公开(公告)号：WO2022077324A1

公开(公告)日：2022-04-21

申请号：PCT/CN2020/121088

申请日：2020-10-15

Applicant: ZTE CORPORATION

Inventor： LI, Yong ,  WU, Hao ,  JIANG, Chuangxin ,  LU, Zhaohua

IPC: H04W72/04 ,  H04B7/00

Abstract: Methods, systems, and devices for configuring channel state information (CSI) reference signals (RS) in mobile communication technology are described. An example method for wireless communication includes transmitting, by a network node to a wireless device, a configuration of at least one channel state information (CSI) reference signal (RS) and a configuration of a CSI report, transmitting, based on the configuration over one or more CSI-RS resources, the at least one CSI-RS, and receiving, from the wireless device, the CSI report based on the configuration of the CSI report.

公开(公告)号：WO2021258316A1

公开(公告)日：2021-12-30

申请号：PCT/CN2020/097884

申请日：2020-06-24

Applicant: ZTE CORPORATION

Inventor： LI, Yong ,  WU, Hao ,  LU, Zhaohua ,  JIANG, Chuangxin

IPC: H04W24/10 ,  H04W24/02 ,  H04B17/309

Abstract: Presented are systems, methods, apparatuses, or computer-readable media for handling configuration of channel state information (CSI) reports. A wireless communication node may determine a first configuration of at least one CSI report. The first configuration may include an identification of each of the at least one CSI report. The wireless communication node may transmit the first configuration to a wireless communication device. The wireless communication node may receive the at least one CSI report from the wireless communication device.

公开(公告)号：WO2021093144A1

公开(公告)日：2021-05-20

申请号：PCT/CN2020/070241

申请日：2020-01-03

Applicant: ZTE CORPORATION

Inventor： LI, Yong ,  WU, Hao ,  WANG, Yuxin ,  JIANG, Chuangxin

IPC: H04L5/00 ,  H04W72/04

Abstract: Methods, systems, and devices for modifying reference signal parameters to improve channel estimation in mobile communication technology are described. An example method for wireless communication includes transmitting, by a first communication node to a second communication node, a reference signal, at least one parameter of the reference signal having been modified based on a Downlink Control Information (DCI) format message or a Medium Access Control (MAC) message, and the at least one parameter comprising one or more of a number of orthogonal frequency division multiplexing (OFDM) symbols in the reference signal, a number of OFDM symbols in the reference signal in a frequency-domain range, a time-domain position of a first symbol of the reference signal, and a number of repeated transmissions of the reference signal.