公开(公告)号：US11330020B2

公开(公告)日：2022-05-10

申请号：US16978350

申请日：2019-03-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jinsub Park ,  Songkyu Kim ,  Yongwoon Moon ,  Kwangjae Woo ,  Insoo Lee ,  Junehee Lee

IPC: H04L29/06 ,  H04L65/10 ,  H04L65/1069 ,  H04L65/80 ,  H04N21/2343 ,  H04N21/643

Abstract: In various embodiments, an electronic device comprising a communication circuit, a processor, and a memory is disclosed. The memory may store instructions that, when executed, cause the processor to transmit, to a network, a first session initiation protocol (SIP) invite message including at least one dummy value by using the communication circuit, obtain channel state information by using the communication circuit, determine a codec for performing a packet based call on the basis of channel state information, and transmit, to the network, a second SIP invite message including information of the determined codec by using the communication circuit. Various other embodiments are also possible which are known from the specification.

公开(公告)号：US10986222B2

公开(公告)日：2021-04-20

申请号：US16229540

申请日：2018-12-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Songkyu Kim ,  Yongwoon Moon ,  Insoo Lee ,  Junehee Lee ,  Sungho Seo ,  Kwangjae Woo ,  Youngil Chang ,  Bonggoo Jun

IPC: H04M1/253 ,  H04L29/06 ,  H04M7/00 ,  H04M1/725

Abstract: An electronic device is provided. The electronic device includes a display, at least one communication circuit, and at least one processor configured to control the display and the at least one communication circuit. The at least one processor is configured to obtain a communication state using the at least one communication circuit during a packet based voice call, and to stop transmitting data associated with at least one of a plurality of background applications which operate in a background of an operating system (OS) of the electronic device when the communication state meets a specified first condition.

公开(公告)号：US11063358B2

公开(公告)日：2021-07-13

申请号：US16899838

申请日：2020-06-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyungjoon Yu ,  Youngjun Park ,  Myungjin Kang ,  Youngkwon Lee ,  Yongwoon Moon ,  Sangjun Park

IPC: H01Q5/335 ,  H04W88/06 ,  H01Q23/00 ,  H04W84/04

Abstract: An electronic device for supporting carrier aggregation (CA) is provided. The electronic device includes a radio frequency integrated circuit (RFIC) including a plurality of mixers and a feedback circuit, at least one antenna, a coupler disposed between the RFIC and the at least one antenna to transfer a reflected signal of a transmission signal to the feedback circuit, and at least one processor operatively connected to the RFIC, wherein the at least one processor may identify whether there is a mixer which is not in use among the plurality of mixers, when the first mixer which is not in use among the plurality of mixers is identified, perform antenna impedance tuning through a first mixer and the feedback circuit, and when the plurality of mixers are all in use, perform the antenna impedance tuning through a second mixer assigned to a secondary cell (Scell) among the plurality of mixers and the feedback circuit.