Abstract: An electronic apparatus connectable to an external electronic apparatus includes a wireless communicator configured to receive a wireless signal from the external electronic apparatus; a sound wave receiver configured to receive a sound wave signal from the external electronic apparatus; and a controller configured to, based on an initial distance between the external electronic apparatus and the electronic apparatus measured by using the wireless signal and the sound wave signal, measure a propagation constant between the external electronic apparatus and the electronic apparatus, and when the initial distance between the external electronic apparatus and the electronic apparatus is changed to a first distance, measure the first distance based on the propagation constant.

Abstract: An electronic apparatus connectable to an external electronic apparatus includes a wireless communicator configured to receive a wireless signal from the external electronic apparatus; a sound wave receiver configured to receive a sound wave signal from the external electronic apparatus; and a controller configured to, based on an initial distance between the external electronic apparatus and the electronic apparatus measured by using the wireless signal and the sound wave signal, measure a propagation constant between the external electronic apparatus and the electronic apparatus, and when the initial distance between the external electronic apparatus and the electronic apparatus is changed to a first distance, measure the first distance based on the propagation constant.

Abstract: An electronic device and operating method thereof are provided. The electronic device includes a communicator; a memory configured to store one or more instructions; and a processor configured to execute the one or more instructions stored in the memory to: control the communicator to transmit, to an audio output device via one-way communication, connection information which is used for connection of two-way communication between the electronic device and the audio output device; control the communicator to receive, from the audio output device via the two-way communication, authentication information which is determined based on the connection information; control the communicator to transmit or receive a control signal to or from the audio output device, via the two-way communication, according to an authentication of the audio output device based on the received authentication information; and control the communicator to transmit an audio signal to the audio output device, via the one-way communication.

Abstract: An electronic device and operating method thereof are provided. The electronic device includes a communicator; a memory configured to store one or more instructions; and a processor configured to execute the one or more instructions stored in the memory to: control the communicator to transmit, to an audio output device via one-way communication, connection information which is used for connection of two-way communication between the electronic device and the audio output device; control the communicator to receive, from the audio output device via the two-way communication, authentication information which is determined based on the connection information; control the communicator to transmit or receive a control signal to or from the audio output device, via the two-way communication, according to an authentication of the audio output device based on the received authentication information; and control the communicator to transmit an audio signal to the audio output device, via the one-way communication.

Abstract: A user terminal apparatus, a driving method of the user terminal apparatus and a computer readable recording medium thereof are provided, in which the user terminal apparatus is configured to perform communication with a first external device and a second external device and includes a first communication interface performing communication with the first external device, a second communication interface performing communication with the second external device, and a controller determining characteristics of the received signals when signals of the second external device are received at currently operating channel which performs communication with the first external device through the first communication interface while performing communication with the first external device, and controlling the second communication interface to perform communication with the second external device according to a determining result.

Abstract: Provided are wireless communication apparatuses. A method of communicating includes scanning a wireless frequency band in use in a scanning range of the wireless communication apparatus, generating a database that includes use information of the wireless frequency band based on the scanned wireless frequency band and communicating with a device using the scanned wireless frequency band using the database.

Abstract: Provided are wireless communication apparatuses. A method of communicating includes scanning a wireless frequency band in use in a scanning range of the wireless communication apparatus, generating a database that includes use information of the wireless frequency band based on the scanned wireless frequency band and communicating with a device using the scanned wireless frequency band using the database.

Abstract: A user terminal apparatus, a driving method of the user terminal apparatus and a computer readable recording medium thereof are provided, in which the user terminal apparatus is configured to perform communication with a first external device and a second external device and includes a first communication interface performing communication with the first external device, a second communication interface performing communication with the second external device, and a controller determining characteristics of the received signals when signals of the second external device are received at currently operating channel which performs communication with the first external device through the first communication interface while performing communication with the first external device, and controlling the second communication interface to perform communication with the second external device according to a determining result.