公开(公告)号：US12191920B2

公开(公告)日：2025-01-07

申请号：US18470516

申请日：2023-09-20

Applicant: ZTE Corporation

Inventor： Yanchun Zhuang ,  Hua Gao ,  Kunjing Zhong ,  Fei Xue

IPC: H04B17/10

Abstract: Provided are a method, apparatus and system for measuring total radiated power of an array antenna. The method includes: determining a Rayleigh resolution of the array antenna in an angle space, and setting a stepping grid spacing of sampling points according to the Rayleigh resolution; determining the sampling points according to the stepping grid spacing, measuring equivalent isotropic radiated power (EIRP) at positions of the sampling points and determining the TRP according to the EIRP. Compared with a traditional rest mode using an angle stepping grid θgrid and φgrid of 15°, this reduces measurement errors; and additionally, through a normalized wave vector space transformation, the number of sampling points is further reduced, and the measurement efficiency is improved.

公开(公告)号：US10193719B2

公开(公告)日：2019-01-29

申请号：US15573868

申请日：2015-12-21

Applicant: ZTE CORPORATION

Inventor： Fei Xue ,  Yajun Zhao ,  Zhifeng Ma

IPC: H04L5/00 ,  H04L27/00 ,  H04W74/08 ,  H04W16/02 ,  H04W72/04

Abstract: A signal processing method, network equipment and a system are provided, wherein the method includes that: a first reference signal is generated by Inverse Fast Fourier Transform (IFFT) processing based on a frequency-domain density of the first reference signal and an energy value of the first reference signal on a time-frequency resource; a time-frequency resource location of a target channel is determined, wherein the target channel is configured to carry information of a Licensed Assisted Access (LAA) system; a Clear Channel Assessment (CCA) signal is generated based on the time-frequency resource location of the target channel and the first reference signal, the CCA signal is mapped to the target channel, and the CCA signal is sent to receiver network equipment through the target channel to enable the receiver network equipment to determine whether the target channel is configured for the LAA system according to the CCA signal.

公开(公告)号：US20180287836A1

公开(公告)日：2018-10-04

申请号：US15573868

申请日：2015-12-21

Applicant: ZTE Corporation

Inventor： Fei Xue ,  Yajun Zhao ,  Zhifeng Ma

IPC: H04L27/00 ,  H04L5/00 ,  H04W74/08 ,  H04W16/02

CPC classification number: H04L27/0006 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0098 ,  H04W16/00 ,  H04W16/02 ,  H04W72/0453 ,  H04W74/0808 ,  H04W74/0816

Abstract: A signal processing method, network equipment and a system are provided, wherein the method includes that: a first reference signal is generated by Inverse Fast Fourier Transform (IFFT) processing based on a frequency-domain density of the first reference signal and an energy value of the first reference signal on a time-frequency resource; a time-frequency resource location of a target channel is determined, wherein the target channel is configured to carry information of a Licensed Assisted Access (LAA) system; a Clear Channel Assessment (CCA) signal is generated based on the time-frequency resource location of the target channel and the first reference signal, the CCA signal is mapped to the target channel, and the CCA signal is sent to receiver network equipment through the target channel to enable the receiver network equipment to determine whether the target channel is configured for the LAA system according to the CCA signal.

公开(公告)号：US11804913B2

公开(公告)日：2023-10-31

申请号：US17090727

申请日：2020-11-05

Applicant: ZTE Corporation

Inventor： Yanchun Zhuang ,  Hua Gao ,  Kunjing Zhong ,  Fei Xue

IPC: H04B17/10

CPC classification number: H04B17/102 ,  H04B17/103 ,  H04B17/104

Abstract: Provided are a method, apparatus and system for measuring total radiated power of an array antenna. The method includes: determining a Rayleigh resolution of the array antenna in an angle space, and setting a stepping grid spacing of sampling points according to the Rayleigh resolution; determining the sampling points according to the stepping grid spacing, measuring equivalent isotropic radiated power (EIRP) at positions of the sampling points, and determining the TRP according to the EIRP. Compared with a traditional test mode using an angle stepping grid θgrid and φgrid of 15°, this reduces measurement errors; and additionally, through a normalized wave vector space transformation, the number of sampling points is further reduced, and the measurement efficiency is improved.