Positioning method using multiple devices and electronic device therefor
An example wireless audio electronic device includes a first antenna, a communication circuit, and a processor. The processor may be configured to receive a positioning signal from an external electronic device through the first antenna so as to obtain first positioning information; obtain, from a different audio device located in a case together with the wireless audio electronic device, second positioning information for the positioning signal received by the different wireless audio electronic device; determine an angle of arrival of the positioning signal based on the first positioning information, the second positioning information, and the distance between the wireless audio electronic device and the different wireless audio electronic device; and transmit a response signal including information of the angle of arrival to the external electronic device.
1 . A first wireless audio device comprising:
a first antenna;
a communication circuit connected to the first antenna; and
at least one processor, comprising processing circuitry, connected to the communication circuit and configured, individually or collectively, to control the first wireless audio device to:
obtain first positioning information by receiving a positioning signal from an external electronic device via the first antenna, when the first wireless audio device and a second wireless audio device is accommodated in a case configured to accommodate the first wireless audio device and the second wireless audio device at a predetermined position with respect to each other,
obtain second positioning information from a second wireless audio device configured to receive the positioning signal when the first wireless audio device and the second wireless audio device are accommodated in the case,
determine an angle of arrival of the positioning signal based on the first positioning information, the second positioning information, and a distance between the first antenna and a second antenna of the second wireless audio device when the first wireless audio device and the second wireless audio device are accommodated in the case, and
transmit a response signal including information of the angle of arrival to the external electronic device.
2 . The first wireless audio device of claim 1 , wherein the first wireless audio device and the second wireless audio device comprise a pair of wireless audio devices.
3 . The first wireless audio device of claim 1 , wherein the first positioning information and the second positioning information each includes phase information of the positioning signal.
4 . The first wireless audio device of claim 1 , wherein the positioning signal and the response signal are based on a Bluetooth protocol or a Bluetooth low energy (BLE) protocol.
5 . The first wireless audio device of claim 1 , wherein the response signal further includes information about reception strength of the positioning signal, transmission strength of the response signal, reception time of the positioning signal, or transmission time of the response signal.
6 . A wireless audio device comprising:
a first wireless audio device including a first antenna, a first communication circuit connected to the first antenna, and a first processor connected to the first communication circuit, the first wireless audio device being configured to obtain first positioning information by receiving a positioning signal from an external electronic device using the first antenna;
a second wireless audio device including a second antenna, a second communication circuit connected to the second antenna, and a second processor connected to the second communication circuit, the second wireless audio device being configured to obtain second positioning information by receiving the positioning signal using the second antenna; and
a case configured to accommodate the first wireless audio device and the second wireless audio device at a fixed relative position,
wherein a master device among the first wireless audio device and the second wireless audio device is configured to:
identify an angle of arrival of the positioning signal based on the first positioning information, the second positioning information, and a specified antenna distance when the first wireless audio device and the second wireless audio device are accommodated in the case at the fixed relative position, and
transmit a response signal including information of the identified angle of arrival to the external electronic device,
wherein the specified antenna distance is based on a distance between the first antenna and the second antenna when the first wireless audio device and the second wireless audio device are accommodated in the case at the fixed relative position.
7 . The wireless audio device of claim 6 , wherein the master device is a specified device among the first wireless audio device and the second wireless audio device.
8 . The wireless audio device of claim 6 , wherein the master device is a device having highest reception strength or reception quality of the positioning signal among the first wireless audio device and the second wireless audio device.
9 . The wireless audio device of claim 6 , wherein the first positioning information and the second positioning information each includes phase information of the positioning signal.
10 . The wireless audio device of claim 6 , wherein the positioning signal and the response signal are based on a Bluetooth protocol or a Bluetooth low energy (BLE) protocol.
11 . The wireless audio device of claim 6 , wherein the response signal further includes information about reception strength of the positioning signal, transmission strength of the response signal, reception time of the positioning signal, or transmission time of the response signal.
12 . A wireless audio device comprising:
a first wireless audio device including a first antenna, a first communication circuit connected to the first antenna, and a first processor connected to the first communication circuit;
a second wireless audio device including a second antenna, a second communication circuit connected to the second antenna, and a second processor connected to the second communication circuit; and
a case including a third antenna, a third communication circuit connected to the third antenna, and a third processor connected to the third communication circuit,
wherein the case is configured to accommodate the first wireless audio device and the second wireless audio device so that positions of the first wireless audio device and the second wireless audio device are fixed relative to each other and to the case, and
wherein a master device of one among the first wireless audio device, the second wireless audio device, and the case is configured to:
receive a positioning signal from an external electronic device using two devices among the first wireless audio device, the second wireless audio device, and the case when the first wireless audio device and the second wireless audio device are accommodated in the case,
obtain first positioning information and second positioning information based on the positioning signal received by each of the two devices,
identify an angle of arrival of the positioning signal based on the first positioning information, the second positioning information, and a distance between antennas of the two devices when the first wireless audio device and the second wireless audio device are accommodated in the case, and
transmit a response signal including information of the identified angle of arrival to the external electronic device.