Samsung Electronics Co., Ltd.

Youngkwon Lee

Hyungjoon Yu

Youngjun Park

Sohee Jang

Jongho Park

Changhwa Lee

Hyangbok Lee

Myungjin Kang

Yongbin Yoon

Hyunsoo Kim

Hyoungjoo Lee

Sangjun Park

Insoo Lee

Yongwoon Moon

Hyunsung Go

Namkyeom Kim

Sungte Kang

Songsub Cha

Sungchan Lee

An electronic device may comprise a plurality of antennas, at least one processor, and an RF circuit. The at least one processor may be configured to identify at least one channel measurement configuration associated with a second RAT different from a first RAT in a state in which the electronic device is connected to a first communication network based on the first RAT, perform measurement on at least one measurement object identified based on at least some of the at least one channel measurement configuration, using at least one first antenna among the plurality of antennas, detect an event requiring a switch of an antenna for performing the measurement, and control the RF circuit to perform the measurement, using at least one second antenna different from the at least one first antenna among the plurality of antennas, based on detection of the event.

Electronic device performing measurement on measurement object of inter-rat and method for operating the same

An electronic device is provided. The electronic device includes first and second housings, a memory, an application processor, a communication processor, a Radio Frequency Integrated Circuit (RFIC) connected with the communication processor, and a plurality of antennas each connected with the RFIC through a Radio Frequency Front-End (RFFE) circuit. The communication processor may identify a change in an antenna-related setting for the plurality of antennas, identify frequency band information about a signal being communicated through at least one antenna among the plurality of antennas, in response to the change in the antenna-related setting, identify folding state information between the first housing and the second housing received from the application processor, identify, from the memory, a transmission power-related setting value set corresponding to the identified frequency band information, the folding state information, and an event related to the communication processor, and adjust a power of a transmission signal.

Electronic device and method for controlling power of transmission signal in transformable electronic device

According to various embodiments, an electronic device may include: at least one antenna, and at least one processor, wherein the at least one processor is configured to: identify a first frequency for wireless communication through at least one of the at least one antenna, select, based on the first frequency, at least one first radio frequency (RF) path among multiple RF paths positioned between the at least one antenna and the processor, identify an error associated with the at least one first RF path, based on an error associated with the at least one first RF path being identified, stop using the at least one first RF path, and control a communication circuit positioned in at least one second RF path among the multiple RF paths such that a baseband signal is converted into an RF signal, wherein the RF signal is configured to be radiated outwards through at least one antenna corresponding to the at least one second RF path among the at least one antenna. Various other embodiments are also possible.

Electronic device for detecting error and method for operating same

According to various embodiments, an electronic device may comprise: a memory, a communication processor, at least one radio frequency integrated circuit (RFIC), and a plurality of antennas each connected with the at least one RFIC. The communication processor may be configured to: identify a change in an antenna-related setting for the plurality of antennas, identify frequency band information corresponding to a signal being communicated through at least one antenna among the plurality of antennas, in response to the change in the antenna-related setting, identify, from the memory, a transmit power-related setting value set corresponding to the identified frequency band information and an event related to the communication processor, and control the electronic device to adjust a power of a transmission signal to be transmitted through at least one antenna among the plurality of antennas based on the identified transmit power-related setting value.

Electronic device and method for controlling power of transmission signal in electronic device including multiple antennas

A method of operating an electronic device is provided. The method of operating an electronic device includes determining whether a multi-frequency band connection is established, when a result of the determination is that the multi-frequency band connection is established, identifying a frequency band transmitting control information from among connected multi-frequency bands, acquiring communication state information of the identified frequency band transmitting the control information, determining an antenna mode based on the acquired communication state information, and configuring at least one antenna based on the determined antenna mode.

Antenna optimization method in multiple connection environment and electronic device using same

According to various embodiments, an electronic device may include: multiple antennas configured to support long-term evolution (LTE) communication and new radio (NR) communication; a memory configured to store association information between first multiple output powers used for the LTE communication and second multiple output powers used for the NR communication corresponding to the first multiple output powers respectively, and at least one processor, wherein the at least one processor is configured to: configure an LTE transmission power to be used for data transmission in a physical uplink shared channel (PUSCH) of the LTE communication, identify a first NR output power maximum value corresponding to the LTE transmission power based on the association information, identify a sounding reference signal (SRS) output power to be used for SRS transmission through at least one of the multiple antennas, and at least temporarily reduce the LTE transmission power based on the SRS output power being greater than the first NR output power maximum value.

Electronic device transmitting reference signal and method for operating thereof

Various embodiments of an electronic device for matching an antenna impedance may include an antenna, a wireless communication module, an impedance matching module, and at least one processor, wherein the at least one processor is configured to: select a first index corresponding to an impedance of the antenna among a plurality of sampled indexes through a first measurement in which a tuning code of the impedance matching module is configured as a reference code; identify a use environment corresponding to the first index; select a second index corresponding to the impedance of the antenna among the plurality of sampled indexes through a second measurement in which the tuning code of the impedance matching module is configured as the reference code and as a ground code corresponding to the use environment; and adjust the impedance of the antenna based on a tuning code corresponding to the second index.

Electronic device for matching antenna impedance and operating method thereof

According to various embodiments, an electronic device may comprise: a housing; a wireless communication circuit positioned inside the housing so as to transmit/receive at least one radio frequency (RF) signal; multiple antennas positioned inside the housing or configured as parts of the housing and electrically connected to the wireless communication circuit; at least one processor operably connected to the wireless communication circuit; and a memory operably connected to the at least one processor. The memory may store a lookup table comprising a first set of antenna modes regarding at least some of the multiple antennas and a second set of antenna modes regarding at least some of the multiple antennas. In addition, the memory may store instructions that, when executed, cause the processor to: cause the wireless communication circuit to transmit a signal in a first antenna mode included in the first set; cause the wireless communication circuit to receive a reflective wave of the transmitted signal; acquire a measurement value of the received reflective wave; confirm whether the measurement value is included within at least one designated range; confirm a second antenna mode corresponding to the acquired measurement value, among the antenna modes included in the second set, if it is confirmed that the measurement value is included in at least one designated value; and cause the wireless communication circuit to transmit the signal in the second antenna mode. Other various embodiments are possible.

Electronic device for performing antenna tuning and method therefor

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.

Structure of electronic device for optimizing performance of antenna and method thereof

Disclosed is an electronic device including: a housing; a wireless communication circuit disposed within the housing and configured to transmit and/or receive at least one Radio Frequency (RF) signal; a plurality of antennas disposed within the housing and/or as part of the housing and electrically connected to the wireless communication circuit; at least one processor operationally connected to the wireless communication circuit; and a memory operationally connected to the at least one processor, wherein the memory is configured to store a lookup table including a first set of antenna-tuning modes for the plurality of antennas and a second set of antenna-tuning modes for the plurality of antennas and instructions which, when executed by the processor, control the electronic device to: control the wireless communication circuit to use a first antenna-tuning mode of the first set or antenna-tuning modes based on carrier aggregation for wireless communication being deactivated, control the wireless communication circuit to use a second antenna-tuning mode of the second set of antenna-tuning modes based on the carrier aggregation being activated, and control the wireless communication circuit to use a third antenna-tuning mode of the first set of antenna-tuning modes during a voice call event.

Growing community of inventors

Suwon-si, South Korea

Youngkwon Lee