公开(公告)号：US20220337307A1

公开(公告)日：2022-10-20

申请号：US17695460

申请日：2022-03-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Xiaohua YU ,  Wei-Hsuan Sharon KUNG ,  Siu-Chuang Ivan LU ,  Sangwon SON

IPC: H04B7/10 ,  H04B17/10 ,  H04B1/50

Abstract: A communication device, including a plurality of transceiver modules; a storage configured to store calibration information; and at least one processor configured to: generate a first dual-polarized RF signal by controlling a first transceiver module to generate a first RF signal based on the calibration information; measure, by a second transceiver module, a first signal power of the first dual-polarized RF signal; adjust a parameter of the first transceiver module, and generate a second dual-polarized RF signal by controlling the first transceiver module to generate a second RF signal based on the adjusted parameter; measure, by the second transceiver module, a second signal power of the second dual-polarized RF signal; and generate an aligned dual-polarized RF signal by controlling the plurality of transceiver modules to generate a plurality of RF signals based on a result of a comparison between the first signal power and the second signal power.

公开(公告)号：US20240275425A1

公开(公告)日：2024-08-15

申请号：US18180832

申请日：2023-03-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Omar Abdulmonem Mohamed ELSAYED ,  Tienyu CHANG ,  Fan ZHANG ,  Siuchuang Ivan LU ,  Sangwon SON

IPC: H04B1/525

CPC classification number: H04B1/525

Abstract: A system and a method are disclosed for reducing local oscillator leakage. In some embodiments, a system includes a circuit, including: a mixer; and a bias control circuit, the mixer having a first local oscillator input, the bias control circuit being configured to control a bias at the first local oscillator input.