公开(公告)号：US20230085560A1

公开(公告)日：2023-03-16

申请号：US17987138

申请日：2022-11-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaemoon CHA ,  Kyujae JANG ,  Hyeyong GO ,  Seongju LEE ,  Yeonjoo LEE ,  Wonhyung HEO

IPC: H04L5/00 ,  H04B7/0404 ,  H04W52/36 ,  H04W52/24

Abstract: An electronic device is provided. The electronic device includes a communication processor, at least one radio frequency integrated circuit (RFIC), a first radio frequency front end (RFFE) circuit, a second FRRE circuit, a first antenna group including a plurality of antennas each connected through the first RFFE circuit to transmit a signal corresponding to at least one communication network, and a second antenna group including a plurality of antennas each connected through the second RFFE circuit to transmit a signal corresponding to at least one communication network, wherein the communication processor is configured to control to transmit a reference signal referenced for channel estimation in a base station of a first communication network to at least one of the plurality of antennas of the first antenna group through the first REEF circuit, and control to transmit the reference signal to at least one of the plurality of antennas of the second antenna group through the second RFFE circuit.

公开(公告)号：US20230208483A1

公开(公告)日：2023-06-29

申请号：US18115250

申请日：2023-02-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaemoon CHA ,  Jimin KOO ,  Jaewoo PARK ,  Seongju LEE ,  Yeonjoo LEE ,  Hyeyong GO ,  Yeongseob LIM ,  Kyujae JANG ,  Sungyoul CHO

IPC: H04B7/06 ,  H04W52/24 ,  H04W52/36 ,  H04B1/3827

CPC classification number: H04B7/0608 ,  H04W52/245 ,  H04W52/367 ,  H04B1/3838

Abstract: According to various embodiments, an electronic device comprises: a communication processor; at least one radio frequency integrated circuit (RFIC) connected to the communication processor; and a plurality of antennas, each of which is connected to the at least one RFIC through at least one radio frequency front-end (RFFE) circuit and configured to transmit a signal corresponding to at least one communication network, wherein the communication processor may identify information related to strength of a reception signal received through each of the plurality of antennas, identify the maximum transmittable power set corresponding to a transmission path for each of the plurality of antennas, and control the electronic device such that a transmission signal to be transmitted through at least one antenna selected from among the plurality of antennas at least based on the identified information related to the strength of the reception signal and maximum transmittable power.

公开(公告)号：US20220394633A1

公开(公告)日：2022-12-08

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: H04W52/36 ,  H04W74/08 ,  H04W36/26 ,  H04B1/3827

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：US20210329617A1

公开(公告)日：2021-10-21

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: 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.