Method for adjusting length of Golay sequence for object recognition and electronic device therefor
A method for adjusting the length of a Golay sequence for object recognition and an electronic device therefor are provided. The method for operating the electronic device includes estimating a predicted distance to an external object, determining, based on the estimated predicted distance, the length of a Golay sequence included in a signal for recognizing the external object, and transmitting at least one signal including a Golay sequence having the determined length, and when a device for wireless communication, included in the electronic device, is utilized to perform a radar function, the length of a Golay sequence is adjusted to enable object recognition as much as a length required according to the use of an application, such that recognition efficiency and data communication efficiency can be optimally provided.
1. An electronic device comprising:
a wireless communication module configured to transmit a signal for recognizing an external object;
at least one processor operably connected to the wireless communication module; and
at least one memory operably connected to the at least one processor,
wherein the at least one memory is configured to store instructions for causing the at least one processor, when executed, to:
estimate a predicted distance to the external object,
identify, through the wireless communication module, whether or not data communication with an external electronic device is being performed,
determine, based on the estimated predicted distance and a result of the identification, a length of a Golay sequence to be included in a signal for recognizing the external object, and
control the wireless communication module so as to transmit at least one signal including the Golay sequence having the determined length.
2. The electronic device of claim 1 , wherein the instructions further cause the at least one processor to:
control the wireless communication module so as to receive at least one signal which is a reflection and return of the transmitted at least one signal from the external object,
acquire, based on the at least one transmitted signal and the at least one received signal, a property of the external object, and
recognize, based on the acquired property of the external object, the external object.
3. The electronic device of claim 1 , wherein the instructions further cause the at least one processor to estimate, based on a type of an application using recognition of the external object or based on configuration according to an input by a user, the predicted distance to the external object.
4. The electronic device of claim 1 ,
wherein the instructions further cause the at least one processor to determine, as the length of the Golay sequence to be included in the signal for recognizing the external object, one among a plurality of Golay sequence lengths based on the estimated predicted distance and the result of the identification, and
wherein the plurality of the Golay sequence lengths are preconfigured.
5. The electronic device of claim 4 , wherein the preconfigured Golay sequence lengths are configured to be different from each other, based on a state of the electronic device, the state including an intensity of a peripheral noise signal.
6. The electronic device of claim 1 , wherein the instructions further cause the at least one processor to determine, in proportion to the estimated predicted distance, the length of the Golay sequence to be included in the signal for recognizing the external object.
7. A method for operating an electronic device comprising a wireless communication module configured to transmit a signal for recognizing an external object, at least one processor operably connected to the wireless communication module and at least one memory operably connected to the at least one processor, the method comprising:
estimating a predicted distance to the external object;
identifying, through the wireless communication module, whether or not data communication with an external electronic device is being performed;
determining, based on the estimated predicted distance and a result of the identification, a length of a Golay sequence to be included in a signal for recognizing the external object; and
controlling the wireless communication module to transmit at least one signal including the Golay sequence having the determined length.
8. The method of claim 7 , further comprising:
controlling the wireless communication module to receive at least one signal which is a reflection and return of the at least one transmitted signal from the external object;
acquiring, based on the at least one transmitted signal and the at least one received signal, a property of the external object; and
recognizing, based on the acquired property of the external object, the external object.
9. The method of claim 7 , wherein the estimating of the predicted distance to the external object comprises estimating, based on a type of an application using recognition of the external object or based on configuration according to an input by a user, the predicted distance to the external object.
10. The method of claim 7 ,
wherein the determining of the length of the Golay sequence comprises determining, as the length of the Golay sequence, one among a plurality of Golay sequence lengths based on the estimated predicted distance and the result of the identification, and
wherein the plurality of the Golay sequence lengths are preconfigured.
11. The method of claim 10 , further comprising configuring a plurality of preconfigured Golay sequence lengths, based on a state of the electronic device, the state including an intensity of a peripheral noise signal.
12. The method of claim 7 , wherein the determining of the length of the Golay sequence comprises determining, in proportion to the estimated predicted distance, the length of the Golay sequence.