公开(公告)号：US11870512B2

公开(公告)日：2024-01-09

申请号：US17731251

申请日：2022-04-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yanru Tang ,  Pranav Dayal ,  Hou-Shin Chen ,  Pritesh Vora ,  Tienyu Chang ,  Siuchuang Ivan Lu ,  Kee-Bong Song

IPC: H04B7/04 ,  H03F3/24 ,  H04B1/04

CPC classification number: H04B7/04 ,  H03F3/245 ,  H04B2001/0416

Abstract: A closed-loop power control (CLPC) system is disclosed that includes a first signal path for a first polarization and a second signal path for a second polarization. The first signal path includes a first power amplifier, a first output power detector configured to detect a first output power level of the first power amplifier, and a first processor configured to determine a first analog gain for a first controller and a first gain for a first digital-to-analog converter based on a first accumulated error between the first output power level and a target Effective Isotropically Radiated Power. A second processor is configured to set a first variable gain of a first variable gain amplifier coupled to an input of the first power amplifier. The CLPC can be configured to control the gain of the first signal path separately or as one signal path.

公开(公告)号：US11812391B2

公开(公告)日：2023-11-07

申请号：US17982504

申请日：2022-11-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Pranav Dayal ,  Kee-Bong Song ,  Hou-Shin Chen ,  Sung-En Chiu ,  Karthik Nagarajan

IPC: H04W52/08 ,  H04W52/24

CPC classification number: H04W52/24 ,  H04W52/08

Abstract: A method of controlling power in a transmission system may include determining a first transmit power of a first transmit path, determining a second transmit power of a second transmit path, and controlling the first transmit path and the second transmit path based on a combination of the first transmit power and the second transmit power. The combination of the first transmit power and the second transmit power may include a sum of the first transmit power and the second transmit power. Controlling the first transmit path and the second transmit path may include determining a first effective power target for the first transmit path based on the first transmit power and the second transmit power, and determining a second effective power target for the second transmit path based on the first transmit power and the second transmit power.

公开(公告)号：US20210258883A1

公开(公告)日：2021-08-19

申请号：US16944116

申请日：2020-07-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-En Chiu ,  Pranav Dayal ,  Kee-Bong Song ,  Siuchuang Ivan Lu ,  Hou-Shin Chen ,  Sang Won Son

IPC: H04W52/08 ,  H04W52/24

Abstract: A method of gain step calibration by a user equipment (UE) includes selecting, a l th antenna path having a gain GT for a transmitter (Tx) of the UE and a corresponding m th antenna path having a gain GR for a receiver (Rx) of the UE; determining, a first loopback signal power for the l th antenna path having the gain GT for the transmitter (Tx) of the UE and the corresponding m th antenna path having the gain GR for the receiver (Rx) of the UE; determining, a second loopback signal power for the l th antenna path having a gain G′T for the transmitter (Tx) and the corresponding m th antenna path having the gain GR for the receiver (Rx); and determining, a transmitter gain step of the UE based on the first loopback signal power and the second loopback signal power.

公开(公告)号：US11140633B2

公开(公告)日：2021-10-05

申请号：US16944116

申请日：2020-07-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-En Chiu ,  Pranav Dayal ,  Kee-Bong Song ,  Siuchuang Ivan Lu ,  Hou-Shin Chen ,  Sang Won Son

IPC: H04W52/08 ,  H04W52/24

Abstract: A method of gain step calibration by a user equipment (UE) includes selecting, a l th antenna path having a gain GT for a transmitter (Tx) of the UE and a corresponding m th antenna path having a gain GR for a receiver (Rx) of the UE; determining, a first loopback signal power for the l th antenna path having the gain GT for the transmitter (Tx) of the UE and the corresponding m th antenna path having the gain GR for the receiver (Rx) of the UE; determining, a second loopback signal power for the l th antenna path having a gain G′T for the transmitter (Tx) and the corresponding m th antenna path having the gain GR for the receiver (Rx); and determining, a transmitter gain step of the UE based on the first loopback signal power and the second loopback signal power.

公开(公告)号：US11496969B2

公开(公告)日：2022-11-08

申请号：US17222979

申请日：2021-04-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Pranav Dayal ,  Kee-Bong Song ,  Hou-Shin Chen ,  Sung-En Chiu ,  Karthik Nagarajan

IPC: H04W52/24 ,  H04W52/08

Abstract: A method of controlling power in a transmission system may include determining a first transmit power of a first transmit path, determining a second transmit power of a second transmit path, and controlling the first transmit path and the second transmit path based on a combination of the first transmit power and the second transmit power. The combination of the first transmit power and the second transmit power may include a sum of the first transmit power and the second transmit power. Controlling the first transmit path and the second transmit path may include determining a first effective power target for the first transmit path based on the first transmit power and the second transmit power, and determining a second effective power target for the second transmit path based on the first transmit power and the second transmit power.