Patents by Inventor Junsu CHOI

Junsu CHOI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11297464
    Abstract: An object recognition method and an electronic device thereof are provided. The method includes transmitting a signal to an external object, controlling a wireless communication module to receive a signal reflected from the external object, controlling the wireless communication module to obtain a channel impulse response based on the transmitted signal and the received signal, obtaining information of an orientation of the external object based on the received signal, detecting phase noise caused by a movement of the electronic device, extracting a component matching the orientation of the external object from the detected phase noise, and compensating for phase information in the channel impulse response based on the component matching the orientation of the external object.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: April 5, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Junsu Choi, Chiho Kim, Hyunkee Min, Junghun Lee
  • Publication number: 20220078079
    Abstract: An electronic device is provided, which includes a housing, at least one wireless communication circuit located inside the housing and configured to transmit and receive a wireless signal in accordance with the IEEE 802.
    Type: Application
    Filed: November 19, 2021
    Publication date: March 10, 2022
    Inventors: Junsu CHOI, Hyunkee MIN, Hyunah OH, Sunkee LEE
  • Publication number: 20210410089
    Abstract: An electronic and method thereof are provided for alleviating signal interference with a neighboring BSS. The electronic device includes a communication circuit, and a processor configured to receive, using the communication circuit, a synchronization signal from a first external electronic device, and based on the received synchronization signal, determine an operation mode of the electronic device as one of a DL operation mode or a UL operation mode. The synchronization signal sets the operation mode of the electronic device to be identical to an operation mode of a second external electronic device included in a neighboring BSS.
    Type: Application
    Filed: June 17, 2021
    Publication date: December 30, 2021
    Inventors: Junsu CHOI, Sunkee LEE
  • Patent number: 11206184
    Abstract: An electronic device is provided, which includes a housing, at least one wireless communication circuit located inside the housing and configured to transmit and receive a wireless signal in accordance with the IEEE 802.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: December 21, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Junsu Choi, Hyunkee Min, Hyunah Oh, Sunkee Lee
  • Patent number: 11184076
    Abstract: An electronic device and a control method thereof are provided. The electronic device includes an array antenna and a communication circuit which is electrically connected to the array antenna. The communication circuit is configured to determine a number of specified fields for reserving time for outputting a first signal through the array antenna and receiving a reflection signal corresponding to the first signal reflected by an external object, generate a second signal including information about the number of specified fields, and output the first signal through the array antenna after transmitting the generated second signal to an external electronic device through the array antenna, and receive the reflection signal corresponding to the output first signal.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: November 23, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Junsu Choi, Chiho Kim, Junghun Lee
  • Publication number: 20210360419
    Abstract: Various embodiments of the present invention disclose a spatial reuse method and apparatus in a wireless local area network (WLAN) system. According to various embodiments of the present invention, an electronic device comprises a communication circuit for wireless communication with at least one external device and a processor operatively connected to the communication circuit, wherein the processor may determine an allowable interference level for spatial reuse in association with an adjacent basic service set (BSS) in a network environment where a plurality of electronic devices operate, determine a configuration to be used during uplink transmission by at least one mobile device connected to the electronic device on the basis of the adjacent BBS allowing the determined interference level, and transmit a trigger frame including the determined configuration to the mobile device by using the communication circuit. Various embodiments are possible.
    Type: Application
    Filed: September 30, 2019
    Publication date: November 18, 2021
    Inventors: Junsu CHOI, Hyunkee MIN, Sunkee LEE
  • Publication number: 20210345243
    Abstract: In accordance with an aspect of the disclosure, an electronic device comprises a wireless communication circuit; and at least one processor operatively connected to the wireless communication circuit, wherein the at least one processor is configured to: establish a communication channel with an external electronic device by using the wireless communication circuit; determine a duration of a data communication time period based on a frame rate of content, wherein the data communication time period comprises an active time period and a sleep time period; control the wireless communication circuit to enter an active state during the active time period; communicate data with the external electronic device through the communication channel during the active time period; and control the wireless communication circuit to enter a sleep state in a sleep time period.
    Type: Application
    Filed: April 27, 2021
    Publication date: November 4, 2021
    Inventors: Yongseob YUN, Sungkwang YANG, Juhwan YUN, Junghun LEE, Junsu CHOI
  • Publication number: 20210091840
    Abstract: An electronic device and a control method thereof are provided. The electronic device includes an array antenna and a communication circuit which is electrically connected to the array antenna. The communication circuit is configured to determine a number of specified fields for reserving time for outputting a first signal through the array antenna and receiving a reflection signal corresponding to the first signal reflected by an external object, generate a second signal including information about the number of specified fields, and output the first signal through the array antenna after transmitting the generated second signal to an external electronic device through the array antenna, and receive the reflection signal corresponding to the output first signal.
    Type: Application
    Filed: September 22, 2020
    Publication date: March 25, 2021
    Inventors: Junsu CHOI, Chiho KIM, Junghun LEE
  • Publication number: 20210092703
    Abstract: An electronic device according to an embodiment includes an mmWave communication module and a processor. The processor is configured to receive a first signal transmitted by a first external electronic device, identify a distance of a transmission path of the first signal, transmit a second signal, receive a third signal obtained when the second signal is reflected, identify a distance of a transmission path of the second signal based on a difference between a transmission time of the second signal and a reception time of the third signal, and determine whether the transmission path of the first signal is a line of sight (LoS) path between the electronic device and the first external electronic device based on a difference between the distance of the transmission path of the first signal and the distance of the transmission path of the second signal. In addition, other embodiments are possible.
    Type: Application
    Filed: July 27, 2020
    Publication date: March 25, 2021
    Inventors: Hyunkee MIN, Junsu CHOI, Chiho KIM, Junghun LEE, Taehun LIM
  • Publication number: 20210014641
    Abstract: An object recognition method and an electronic device thereof are provided. The method includes transmitting a signal to an external object, controlling a wireless communication module to receive a signal reflected from the external object, controlling the wireless communication module to obtain a channel impulse response based on the transmitted signal and the received signal, obtaining information of an orientation of the external object based on the received signal, detecting phase noise caused by a movement of the electronic device, extracting a component matching the orientation of the external object from the detected phase noise, and compensating for phase information in the channel impulse response based on the component matching the orientation of the external object.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 14, 2021
    Inventors: Junsu CHOI, Chiho KIM, Hyunkee MIN, Junghun LEE
  • Publication number: 20210003690
    Abstract: 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.
    Type: Application
    Filed: July 1, 2020
    Publication date: January 7, 2021
    Inventors: Junsu CHOI, Chiho KIM
  • Publication number: 20200400779
    Abstract: A method for close-range detection, includes transmitting, via a radar transceiver, radar signals to detect an object. The method also includes determining whether the object includes a pattern code based on reflections of the radar signals received by the radar transceiver. In response to determining that the object includes the pattern code, the method includes identifying range information about a range between the electronic device and the pattern code. The method further includes selecting, based on the range information, one or more signals from the reflections of the radar signals that are reflected off of the pattern code. Additionally, the method includes identifying, based on the one or more signals, information about the pattern code.
    Type: Application
    Filed: June 17, 2020
    Publication date: December 24, 2020
    Inventors: Wenxun Qiu, Vutha Va, Kuldeep Gill, Boon Loong Ng, Junsu Choi, Sungchul Park
  • Publication number: 20200400806
    Abstract: A method for improving the accuracy of measuring a distance to an object using a wireless communication signal and an electronic device therefor the same are provided. The method includes transmitting a wireless communication signal to an external object by controlling a wireless communication module, receiving a signal returned based on the transmitted wireless communication signal being reflected from the external object by controlling the wireless communication module, acquiring a first distance to the external object based on a transmission time point of the transmitted signal and a reception time point of the received signal, acquiring a second distance to the external object based on phases of the transmitted signal and the received signal by controlling the phase matching module, and estimating a distance to the external object based on the first distance and the second distance.
    Type: Application
    Filed: June 19, 2020
    Publication date: December 24, 2020
    Inventors: Junsu CHOI, Chiho KIM
  • Publication number: 20200084102
    Abstract: An electronic device is provided, which includes a housing, at least one wireless communication circuit located inside the housing and configured to transmit and receive a wireless signal in accordance with the IEEE 802.
    Type: Application
    Filed: August 26, 2019
    Publication date: March 12, 2020
    Inventors: Junsu CHOI, Hyunkee MIN, Hyunah OH, Sunkee LEE
  • Publication number: 20200084684
    Abstract: An electronic device includes: a UI; a wireless communication circuit configured to wirelessly communicate with an external electronic device by using a short-range wireless communication protocol; a processor; and a memory. The memory stores instructions, which when executed, cause the processor to receive first data from the external electronic device at a first time through a wireless communication channel by using the wireless communication circuit, receive second data from the external electronic device at a second time after the first time through the wireless communication channel by using the wireless communication circuit, compare a first reception state related to the first data and a second reception state related to the second data, and transmit, to the external electronic device, a request for change from a first mode to a second mode by using the wireless communication circuit, based on a result of the comparing.
    Type: Application
    Filed: September 6, 2019
    Publication date: March 12, 2020
    Inventors: Junsu CHOI, Hyunkee MIN, Sunkee LEE