公开(公告)号：US20190261362A1

公开(公告)日：2019-08-22

申请号：US16323730

申请日：2017-08-03

Applicant: ZTE CORPORATION

Inventor： Yijian CHEN ,  Zhaohua LU ,  YU Ngok LI ,  Hao WU

IPC: H04W72/04

Abstract: Provided is an information sending method, including: a base station determining a transmission configuration parameter associated with a first control region, where the first control region is used for transmitting a common control message; and determining first indication information according to the transmission configuration parameter, and sending the first indication information through a physical downlink broadcast channel or at a preset position of a second control area. A time domain symbol set corresponding to the second control area is a subset of a time domain symbol set corresponding to the first control area. Further provided is an information detection method, including: receiving first indication information used for indicating a transmission configuration parameter of a first control area, and detecting the common control information according to the first indication information. Further provided are an information sending device and an information detecting device.

公开(公告)号：US20190013910A1

公开(公告)日：2019-01-10

申请号：US15752477

申请日：2016-08-01

Applicant: ZTE Corporation

Inventor： Shujuan ZHANG ,  Yijian CHEN ,  YU Ngok LI ,  Wenhao LIU

IPC: H04L5/00 ,  H04W76/27 ,  H04L1/18 ,  H04B7/0452 ,  H04W72/04

Abstract: A method and device for notifying and determining DMRS ports or a mapping relationship is provided. The method includes a sending end sending indication information to a receiving end in a TM, and the sending end indicates allocation information about DMRS ports or a mapping relationship according to the indication information, and the indication information includes at least one of the following: RRC signaling, physical layer NDI bit, and DMRS pilot scrambler configuration information nscid. A problem of influence on a performance of a MU-MIMO system caused by lower channel estimation performance due to limited orthogonal DMRS ports for MU-MIMO transmission and high MUI after increment of a total number of MU-MIMO transmission layers is solved.

公开(公告)号：US20190268863A1

公开(公告)日：2019-08-29

申请号：US16323937

申请日：2017-08-14

Applicant: ZTE CORPORATION

Inventor： Yijian CHEN ,  Zhaohua LU ,  YU Ngok LI ,  Peng HAO ,  Hao WU ,  Bo GAO

IPC: H04W56/00 ,  H04W72/04

Abstract: The present disclosure provides a method, apparatus and system for transmitting signaling messages, a method, apparatus for detecting signaling messages. The method includes: determining N groups of synchronization signals and transmission resources corresponding to the N groups of synchronization signals, where N>=1; determining M sets of first-class signaling messages associated with the N groups of synchronization signals, where M

公开(公告)号：US20180115389A1

公开(公告)日：2018-04-26

申请号：US15554081

申请日：2015-08-05

Applicant: ZTE Corporation

Inventor： Zewei CHEN ,  Jun XU ,  YU Ngok LI

IPC: H04L1/00 ,  H04L25/02

Abstract: A method and device for acquiring Channel State Information (CSI) are provided. In the method, a second node receives a first-type signal and/or a second-type signal sent by a first node; the second node acquires CSI based on measurement of the first-type signal and the second-type signal, or based on measurement of the second-type signal only; the first-type signal may include a measurement Reference Signal (RS), and the second-type signal may include one of: a demodulation RS, a data sharing channel signal, and a signal combination of the data sharing channel signal and the demodulation RS; the second node feeds back the CSI to the first node.

公开(公告)号：US20190312615A1

公开(公告)日：2019-10-10

申请号：US16336301

申请日：2017-07-19

Applicant: ZTE CORPORATION

Inventor： Hao WU ,  Jianxing CAI ,  YU Ngok LI ,  Yijian CHEN ,  Zhaohua LU ,  Huahua XIAO ,  Yong LI ,  Yuxin WANG

IPC: H04B7/0417 ,  H04B7/06 ,  H04B7/08 ,  H04L1/00

Abstract: Provided is a channel information feedback method and apparatus, a terminal, and a base station. The method includes: determining, by a terminal, a feedback state parameter of channel information, where the channel information includes at least one of a number M of precoding vectors v1, v2, . . . , vM, a number G of amplitude coefficients A1, A2, . . . , AG, or a number K of phase coefficients P1, P2, . . . , PK, where M, G and K are all integers greater than or equal to 0; and feeding back, by the terminal, the channel information according to the determined feedback state parameter.

公开(公告)号：US20190222374A1

公开(公告)日：2019-07-18

申请号：US16313070

申请日：2017-06-23

Applicant: ZTE CORPORATION

Inventor： Yijian CHEN ,  Zhaohua LU ,  YU Ngok LI ,  Hao WU

IPC: H04L5/00 ,  H04W72/00 ,  H04W72/04

CPC classification number: H04L5/0032 ,  H04L5/00 ,  H04L5/0007 ,  H04L5/0053 ,  H04W72/005 ,  H04W72/042

Abstract: Provided herein are method and device for configuring and acquiring transmission parameters of physical layer, the method comprising: dividing transmission resources into N resource groups, where N is greater than or equal to 1; determining first type of transmission parameter of the physical layer, the first type of transmission parameter of the physical layer comprises at least one of: indication information on definitions of basic resource units, indication information on aggregation of time interval units of physical layers, information on parameter configuration of basic transmission structures, information on numerology parameter configuration, indication information on mapping of channel or signals, indication information on resource allocation methods, indication information on available bandwidths in frequency domain of resource groups, indication information on transmission powers of resources, and configuration information of measurement pilots; notifying receiving terminal of the first type of transmission parameters of the physical layer corresponding to the N resource groups.

公开(公告)号：US20180145735A1

公开(公告)日：2018-05-24

申请号：US15568078

申请日：2016-01-04

Applicant: ZTE Corporation

Inventor： Yijian CHEN ,  YU Ngok LI ,  Huahua XIAO ,  Jian LI ,  Zhaohua LU ,  Yuxin WANG ,  Jing ZHAO

IPC: H04B7/06 ,  H04W24/10

Abstract: A method and device for configuring channel information are provided. The method includes: a base station configures Q Channel State Information (CSI) measurement threads for a CSI process, wherein Q is an integer greater than or equal to 2; and the base station configures P1 channel measurement reference signals and P2 interference measurement resources for the Q CSI measurement threads, wherein the P1 channel measurement reference signals are used to perform channel measurement on the Q CSI measurement threads, and the P2 interference measurement resources are used to perform interference measurement on the Q CSI measurement threads, P1 and P2 being integers greater than zero.

公开(公告)号：US20220103326A1

公开(公告)日：2022-03-31

申请号：US17548674

申请日：2021-12-13

Applicant: ZTE CORPORATION

Inventor： Yong LI ,  YU Ngok LI ,  Yijian CHEN ,  Huahua XIAO ,  Zhaohua LU ,  Jianxing CAI ,  Hao WU

IPC: H04L5/00 ,  H04L1/06 ,  H04J13/00

Abstract: Provided are a method and an apparatus for receiving signal, and a non-transitory computer-readable storage medium. The method comprises that a User Equipment (UE) receives signaling comprising configuration information of a Channel State Information-Reference Signal (CSI-RS); and acquires the configuration information of the CSI-RS from the signaling.

公开(公告)号：US20210044406A1

公开(公告)日：2021-02-11

申请号：US17081795

申请日：2020-10-27

Applicant: ZTE Corporation

Inventor： Shujuan ZHANG ,  Yijian CHEN ,  YU Ngok LI ,  Wenhao LIU

IPC: H04L5/00 ,  H04W72/04 ,  H04B7/0452 ,  H04L1/18

Abstract: A method and device for notifying and determining De Modulation Reference Signal (DMRS) ports or a mapping relationship is provided. The method includes: a sending end sends indication information to a receiving end in a Transmission Mode (TM), and the sending end indicates allocation information about DMRS ports or a mapping relationship according to the indication information, and the indication information includes at least one of the following: Radio Resource Control (RRC) signaling, physical layer New Data Indication (NDI) bit, and DMRS pilot scrambler configuration information nscid. A problem of influence on a performance of a Multi-User Multiple-Input Multiple-Output (MU-MIMO) system caused by lower channel estimation performance due to limited orthogonal DMRS ports for MU-MIMO transmission and high Multi-User Interference (MUI) after increment of a total number of MU-MIMO transmission layers is solved, thereby increasing orthogonal DMRS ports for MU-MIMO transmission on a basis of improving base station configuration flexibility during MU-MIMO transmission, effectively inhibiting MUI during channel estimation, and improving channel estimation performance.

公开(公告)号：US20180316470A1

公开(公告)日：2018-11-01

申请号：US15774071

申请日：2016-10-24

Applicant: ZTE CORPORATION

Inventor： Yong LI ,  YU Ngok LI ,  Yijian CHEN ,  Zhaohua LU ,  Jianxing CAI ,  Hao WU ,  Huahua XIAO

IPC: H04L5/00

CPC classification number: H04L5/0048 ,  H04B7/06 ,  H04L5/0007 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0094 ,  H04L5/1469

Abstract: The embodiments of the invention provide a method of configuring a channel state information reference signal (CSI-RS) transmitted on a pilot and a device utilizing the same. The method includes: a base station generates a signaling including configuration information of a CSI-RS; and the base station transmits the signaling including the configuration information of the CSI-RS; wherein the configuration information includes a CSI-RS port number, CSI-RS resource patterns and a CSI-RS subframe configuration; the CSI-RS resource patterns include at least one of the following: CSI-RS resource patterns transmitted on a normal downlink subframe and CSI-RS resource patterns transmitted on a downlink pilot time slot (DwPTS). The CSI-RS subframe configuration includes a CSI-RS subframe configuration transmitted on both the DwPTS and the normal downlink subframe. The embodiments resolve a complicated problem of transmitting CSI-RS in DwPTS in a CSI-RS transmission scenario, reducing complexity of transmitting CSI-RS in DwPTS.