公开(公告)号：US20240072833A1

公开(公告)日：2024-02-29

申请号：US18223310

申请日：2023-07-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： KYUNGWOO YOO ,  DOOSEOK CHOI ,  HYUNG SUN LIM ,  JOONHOI HUR

IPC: H04B1/38 ,  G01S13/04 ,  H04W52/18

CPC classification number: H04B1/38 ,  G01S13/04 ,  H04W52/18 ,  G01S7/006

Abstract: An electronic device is provided. The electronic device includes: a transceiver configured to transmit and receive a wireless signal; and a processor configured to: control a measurement circuit to identify a transmission/reception power ratio of the wireless signal; control a converter to transform the transmission/reception power ratio into frequency domain data; detect whether an object is adjacent the electronic device, based on the frequency domain data and an adjustable threshold; and control the transceiver based on whether the object is detected adjacent the electronic device.

公开(公告)号：US20250080052A1

公开(公告)日：2025-03-06

申请号：US18626840

申请日：2024-04-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： KYUNGWOO YOO ,  JOONHOI HUR

IPC: H03F1/02 ,  H03F3/24

Abstract: A power amplifier control device includes a measuring circuit and a supply voltage regulation circuit. The measured circuit measures an adjacent channel leakage ratio (ACLR) of a power amplifier to generate a measured ACLR. The supply voltage regulation circuit determines a regulated supply voltage from an ACLR model defined based on a change level of a supply voltage of the power amplifier and a change level of the measured ACLR defined, and transfers the regulated supply voltage to the power amplifier. The measured ACLR is a difference between a reference ACLR and the measured ACLR.