Samsung Electronics Co., Ltd.

Hyoungkwon Kim

Jungmin Oh

Sanghyun Lee

Minseok Shin

Songkyu Kim

Kyungwon Lee

Dongchul Ma

Inhye Yeom

Suhan Kim

Eunsoo Bae

Sanggyu Kim

An electronic device is provided. The electronic device includes a communication circuit, a memory, and a processor operatively connected to the communication circuit and the memory, wherein the processor may be configured to detect an event for transmission of a synchronization signal in a device-to-device (D2D) mode, start a first timer stored in the memory, transmit a synchronization signal at a specified first timing during a first time period during which the first timer operates, and attempt to receive a synchronization signal at a specified second timing during the first time period, sense that a synchronization signal and a valid data packet have not been received by the time that the first timer expires, and attempt to receive a synchronization signal at a timing corresponding to the designated first timing during the second time period after the first timer has expired.

Electronic device for synchronization in D2D communication environment and method therefor

An electronic device is provided. The electronic device includes a wireless communication circuit, a memory for storing an EARFCN list, and a processor configured to identify whether the electronic device is in a designated mode, when the electronic device is in the designated mode, perform a scan sequentially on at least some channels from among a plurality of channels included in the EARFCN list, when a first channel satisfying a first condition is identified as a result of the scan, identify whether the first channel corresponds to a second condition by decoding a system information block (SIB) or a master information block (MIB) received through the first channel, when the first channel satisfies the second condition, select a cellular network regarding the first channel, and when the first channel does not satisfy the second condition, stop the scan and perform D2D communication during a designated time.

Electronic device for supporting device-to-device communication and method therefor

An example electronic device may include a plurality of antennas; and at least one communication processor communicating with a first communication network or a second communication network through the plurality of antennas. The at least one communication processor may be configured to set up a call with an external electronic device through the first communication network, identify information related to call quality in a call connected state with the external electronic device, and perform an operation for reducing a number of antennas for reception among the plurality of antennas based on identifying that the information related to the call quality meets a designated condition.

Electronic device and method for reducing current consumption in electronic device connected with communication network

Growing community of inventors

Suwon-si, South Korea

Hyoungkwon Kim