公开(公告)号：US20230378980A1

公开(公告)日：2023-11-23

申请号：US18362377

申请日：2023-07-31

Applicant: Huawei Technologies Co., Ltd.

Inventor： Weinan Li ,  Weitao Jing ,  Po Shi

IPC: H04B1/00

CPC classification number: H04B1/0028 ,  H04B1/0067

Abstract: Embodiments of this application disclose a communication circuit, including: a shared radio frequency circuit, a baseband processing circuit, and an antenna. The antenna is configured to receive and send a first-mode signal and a second-mode signal. The shared radio frequency circuit is coupled between the baseband processing circuit and the antenna, and the shared radio frequency circuit is configured to process the first-mode signal and the second-mode signal in a time-division manner. The shared radio frequency circuit includes a slave control interface, and the baseband processing circuit includes a master control interface. The master control interface is coupled to the slave control interface by using a control bus, and is used for configuring the shared radio frequency circuit to process the first-mode signal and the second-mode signal in the time-division manner.

公开(公告)号：US12184321B2

公开(公告)日：2024-12-31

申请号：US17639420

申请日：2020-09-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yiling Chen ,  Wei Liu ,  Weitao Jing ,  Yi Sui ,  Zhijun Chen

IPC: H04B1/3827 ,  H04W52/22 ,  H04W52/36

Abstract: A method includes obtaining an average radio frequency exposure value over a target time window, where the target time window is a standard time window, determining a power threshold corresponding to the average radio frequency exposure value, where the power threshold is a preset power value corresponding to a preset value range to which the average radio frequency exposure value belongs, and controlling a transmit power of the wireless device based on the power threshold over a controlled time window.

公开(公告)号：US12184313B2

公开(公告)日：2024-12-31

申请号：US17622515

申请日：2020-06-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhijun Chen ,  Fei Huang ,  Weitao Jing ,  Weichen Huang ,  Liping Yang ,  Linghua Yuan ,  Xingcan Zhao ,  Hui Wang

IPC: H04B1/00 ,  H04B1/04 ,  H04B1/40 ,  H04B7/06

Abstract: An antenna switching circuit, electronic device and method. The switching circuit includes a radio frequency processor, a radio frequency front-end, a first switch, and an antenna system with a plurality of antennas. The radio frequency processor receives a first radio frequency signal, generates a second radio frequency signal based on a loss value of the first switch, and transmits the second radio frequency signal to the first switch. The first switch selects, from a plurality of radio frequency channels in the radio frequency front-end, a radio frequency channel coupled with the radio frequency processor, and transmits the second radio frequency signal to a radio frequency channel. The radio frequency front-end receives and processes the second radio frequency signal to generate a third radio frequency signal and transmits it to the antenna system, which outputs the third radio frequency signal.

公开(公告)号：US20220302945A1

公开(公告)日：2022-09-22

申请号：US17639420

申请日：2020-09-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yiling Chen ,  Wei Liu ,  Weitao Jing ,  Yi Sui ,  Zhijun Chen

IPC: H04B1/3827 ,  H04W52/36 ,  H04W52/22

Abstract: A method includes obtaining an average radio frequency exposure value over a target time window, where the target time window is a standard time window, determining a power threshold corresponding to the average radio frequency exposure value, where the power threshold is a preset power value corresponding to a preset value range to which the average radio frequency exposure value belongs, and controlling a transmit power of the wireless device based on the power threshold over a controlled time window.

公开(公告)号：US20220255569A1

公开(公告)日：2022-08-11

申请号：US17622515

申请日：2020-06-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhijun Chen ,  Fei Huang ,  Weitao Jing ,  Weichen Huang ,  Liping Yang ,  Linghua Yuan ,  Xingcan Zhao ,  Hui Wang

IPC: H04B1/00 ,  H04B1/04 ,  H04B1/40 ,  H04B7/06

Abstract: An antenna switching circuit, electronic device and method. The switching circuit includes a radio frequency processor, a radio frequency front-end, a first switch, and an antenna system with a plurality of antennas. The radio frequency processor receives a first radio frequency signal, generates a second radio frequency signal based on a loss value of the first switch, and transmits the second radio frequency signal to the first switch. The first switch selects, from a plurality of radio frequency channels in the radio frequency front-end, a radio frequency channel coupled with the radio frequency processor, and transmits the second radio frequency signal to a radio frequency channel. The radio frequency front-end receives and processes the second radio frequency signal to generate a third radio frequency signal and transmits it to the antenna system, which outputs the third radio frequency signal.