公开(公告)号：US11463148B2

公开(公告)日：2022-10-04

申请号：US17274605

申请日：2019-09-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaemoon Cha ,  Seongju Lee

IPC: H04L5/12 ,  H04B7/06 ,  H04B17/318 ,  H04B1/401 ,  H04B1/405 ,  H04B7/08 ,  H01Q1/24

Abstract: Disclosed is an electronic device and control method for changing an antenna setting according to a bandwidth of a signal. An electronic device according to various embodiments of the present document may comprise at least one antenna, an antenna tuning circuit, and a processor, wherein the processor is configured to: receive signals from a plurality of external devices according to a first antenna setting by using the at least one antenna, respectively; check received power intensities of the received signals, respectively; when the checked received power intensities are equal to or greater than a predesignated threshold intensity, identify a ratio of a signal having a maximum bandwidth from among the signals received from the plurality of external devices; and at least partially on the basis of the identified ratio, change the first antenna setting to a second antenna setting by using the antenna tuning circuit.

公开(公告)号：US12273828B2

公开(公告)日：2025-04-08

申请号：US17830893

申请日：2022-06-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seongju Lee ,  Jaemoon Cha ,  Seonyun Kim ,  Yeonjoo Lee ,  Woohyuk Jang ,  Deunghyeon Jeong

IPC: H04W52/00 ,  H04B1/3827 ,  H04W36/26 ,  H04W52/36 ,  H04W74/0833

Abstract: According to various embodiments, an electronic device may include: at least one processor, wherein the at least one processor is configured to: receive at least one message causing a random access (RA) procedure for a second cell based on a second radio access technology (RAT) different from a first RAT while being connected to a first cell based on the first RAT, identify, based on the reception of the at least one message, a first accumulative specific absorption rate (SAR) having occurred based on transmission of at least one RF signal based on the first RAT and/or the second RAT for a first time interval, transmit an RA preamble message to the second cell based on determining, based on the first accumulative SAR, that performing the RA procedure for the second cell based on the second RAT is possible, and refrain from transmitting the RA preamble message based on determining, based on the first accumulative SAR, that performing the RA procedure for the second cell based on the second RAT is impossible.

公开(公告)号：US11464018B2

公开(公告)日：2022-10-04

申请号：US17301360

申请日：2021-03-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaemoon Cha ,  Hyeyong Go ,  Kyujae Jang ,  Seongju Lee

IPC: H04W88/10 ,  H04W72/04

Abstract: According to various embodiments, an electronic device may comprise a communication processor; at least one RFIC connected to the communication processor; a first RFFE circuit connected to the at least one RFIC and configured to process a first signal corresponding to a first communication network; and a second RFFE circuit connected to the at least one RFIC and configured to process a second signal corresponding to a second communication network, and the communication processor may be configured to: identify a maximum frequency bandwidth that is supportable in the first communication network based on information received from the first communication network, and if the identified maximum frequency bandwidth is identified as a frequency bandwidth that is capable of being processed via the second RFFE circuit, transmit, via the second RFFE circuit, a third signal to the first communication network. Other various embodiments are possible.