公开(公告)号：US20210126684A1

公开(公告)日：2021-04-29

申请号：US17076746

申请日：2020-10-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hao Chen ,  Ahmed Atef Ibrahim Ibrahim ,  Rebal Jurdi ,  Zinan Lin ,  Jianhua Mo ,  Jianzhong Zhang

IPC: H04B7/0456

Abstract: A method and apparatus of a BS in a wireless communication system is provided. The method and apparatus comprises: storing a set of beam codebooks including a plurality of angular grids each of which is identified as a first type of angular grid or a second type of angular grid; identifying a set of parameters to adjust an antenna beam pattern based on the set of beam codebooks, wherein the set of parameters includes at least one of feedback information received from a UE or a set of KPIs identified by the BS; determining a type of angular grid as the first type of angular grid or the second type of angular grid, wherein the first and second type of angular grids include a first antenna gain and a second antenna gain, respectively; and select, from the set of beam codebooks, a beam codebook corresponding to the antenna beam pattern.

公开(公告)号：US11171698B2

公开(公告)日：2021-11-09

申请号：US17076746

申请日：2020-10-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hao Chen ,  Ahmed Atef Ibrahim Ibrahim ,  Rebal Jurdi ,  Zinan Lin ,  Jianhua Mo ,  Jianzhong Zhang

IPC: H04B7/02 ,  H04L1/02 ,  H04B7/0456

Abstract: A method and apparatus of a BS in a wireless communication system is provided. The method and apparatus comprises: storing a set of beam codebooks including a plurality of angular grids each of which is identified as a first type of angular grid or a second type of angular grid; identifying a set of parameters to adjust an antenna beam pattern based on the set of beam codebooks, wherein the set of parameters includes at least one of feedback information received from a UE or a set of KPIs identified by the BS; determining a type of angular grid as the first type of angular grid or the second type of angular grid, wherein the first and second type of angular grids include a first antenna gain and a second antenna gain, respectively; and select, from the set of beam codebooks, a beam codebook corresponding to the antenna beam pattern.

公开(公告)号：US11064443B1

公开(公告)日：2021-07-13

申请号：US17115653

申请日：2020-12-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Zinan Lin ,  Suman Das ,  Caglar Tunc ,  Jianzhong Zhang

IPC: H04W52/22 ,  H04B7/0426

Abstract: Apparatuses and methods for managing electromagnetic field (EMF) radiation. A method includes determining one or more radiation power related parameters, the one or more radiation power related parameters including precoding vectors selected for transmission on a transmission time interval (TTI) basis, a transmit power, and resource block (RB) utilization. The method also includes estimating, based on the one or more radiation power related parameters, a time-averaged radiation power over a predefined time window in azimuth and elevation dimensions. The method also includes determining a direction of a maximum time-averaged radiation power among the estimated time-averaged radiation power; and adjusting one or more transmission parameters based on determining that the maximum time-averaged radiation power in the direction is higher than a threshold.