Patents by Inventor Suhwook Kim

Suhwook Kim 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: 11184854
    Abstract: A method for an STA for receiving a WUR frame in a WLAN, according to one embodiment of the present invention, comprises the steps of: receiving a WUR frame including a first portion of a TSF timer and an MIC value; calculating an MIC verification value on the basis of the first portion of the TSF timer and the TSF timer stored in the STA; and determining whether to discard the received WUR frame depending on whether the MIC value included in the WUR frame matches the calculated MIC verification value, wherein the first portion of the TSF timer included in the WUR frame is the 8-bits following the least significant N-bit in the TSF timer, and the STA may obtain a continuous 48-bit partial TSF timer value through the first portion of the TSF timer and a second portion of the TSF timer stored in the STA, and may calculate the MIC verification value on the basis of the obtained 48-bit partial TSF timer value.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: November 23, 2021
    Assignee: LG Electronics Inc.
    Inventors: Jeongki Kim, Suhwook Kim, Kiseon Ryu, Taewon Song
  • Patent number: 11184846
    Abstract: A method for receiving a frame by a station (STA) in a wireless LAN (WLAN) according to the present embodiment: performing a wake-up radio (WUR) negotiation procedure for exchanging WUR operation parameters with an access point (AP) through a primary connectivity radio (PCR); entering a WUR mode; and waking up when a WUR frame is received through a WUR and monitoring a beacon frame through the PCR from the next beacon transmission timing, the WUR operation parameters exchanged through the WUR negotiation procedure include first time information indicating a time for which the STA that has woke up upon reception of the WUR frame needs to monitor the beacon frame from the next beacon transmission timing, and the STA can return to the WUR mode when the beacon frame is not received until the time indicated by the first time information has elapsed.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: November 23, 2021
    Assignee: LG Electronics Inc.
    Inventors: Jeongki Kim, Kiseon Ryu, Suhwook Kim
  • Patent number: 11178568
    Abstract: A method for uplink multi-user (UL MU) operation in a WLAN system according to an embodiment of the present specification comprises the steps of: receiving, by an access point (AP), a buffer state report frame used for the UL MU operation from a user STA associated with the AP, wherein the buffer state report frame includes bitmap information for a plurality of access categories for which the buffer state of the user STA is to be reported, and identification information for a number of traffic identifiers (TIDs) for at least one traffic being buffered by the user STA, wherein the identifier information is set based on a number of the plurality of access categories indicated by the bitmap information; and transmitting, by the AP, a trigger frame for triggering the UL MU operation from a plurality of user STAs.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: November 16, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyunhee Park, Kiseon Ryu, Suhwook Kim, Jeongki Kim, Hangyu Cho
  • Patent number: 11166236
    Abstract: A method in a wireless local area network (WLAN) system is performed by a first wireless terminal and includes: receiving a wake-up radio (WUR) mode request frame from a second wireless terminal; allocating first identification information for the second wireless terminal, wherein the first identification information is configured based on a value obtained by adding a first value related to a transmitter identifier (TXID) of the first wireless terminal and a second value related to an association identifier (AID) of the second wireless terminal; determining whether the first identification information coincides with pre-allocated one or more pieces of second identification information; reallocating a value randomly selected from among predetermined candidate values to the first identification information; and transmitting a WUR mode response frame including the re-allocated first identification information to the second wireless terminal.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: November 2, 2021
    Assignee: LG Electronics Inc.
    Inventors: Jeongki Kim, Suhwook Kim, Taewon Song, Jinsoo Choi
  • Patent number: 11160024
    Abstract: A method for receiving a frame in a wireless LAN system according to the present embodiment comprises the steps of: receiving transmission speed information according to a transmission type of a wakeup packet for a WUR module from a second wireless terminal by a first wireless terminal including a main radio module and the WUR module, wherein the transmission speed information is set on the basis of at least three transmission speeds for the wakeup packet, and the transmission speed information is received on the basis of the main radio module; and receiving the wakeup packet on the basis of the transmission speed information from the second wireless terminal by the first wireless terminal, wherein a header of the wakeup packet includes a transmission type indicator for the transmission type of the wakeup packet, the wakeup packet is modulated according to an on-off keying (OOK) scheme, and the wakeup packet is received on the basis of the WUR module.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: October 26, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Suhwook Kim, Kiseon Ryu, Jinyoung Chun, Jeongki Kim, Jinsoo Choi, Dongguk Lim, Eunsung Park
  • Publication number: 20210329721
    Abstract: The present disclosure relates to a method and/or device for receiving a signal in a wireless local area network (WLAN) system. A station (STA) of the present disclosure may aggregate a plurality of links including a first link and a second link. The STA of the present disclosure may transmit a frame including first information related to a preferred link and second information related to whether signal sharing is possible in the plurality of links. Information transmitted by the STA of the present disclosure may be used to appropriately signal an operating band in the WLAN system supporting a plurality of links.
    Type: Application
    Filed: August 8, 2019
    Publication date: October 21, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Suhwook KIM, Sanggook KIM, Jeongki KIM, Jinsoo CHOI
  • Publication number: 20210329698
    Abstract: According to various embodiments, a method performed in a wireless local area network (WLAN) system may comprise the steps of: receiving, by a first station (STA) supporting a first and a second link, a physical protocol data unit (PPDU) generated for a second STA, via the first link, the PPDU being received from a BSS to which the first STA belongs; setting, by the first STA, a first type NAV for the first link on the basis of the PPDU; and setting, by the first STA, a first type NAV for the second link on the basis of the PPDU.
    Type: Application
    Filed: August 9, 2019
    Publication date: October 21, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Insun JANG, Suhwook KIM, Jeongki KIM, Kiseon RYU, Sungjin PARK, Taewon SONG, Jinsoo CHOI
  • Publication number: 20210329547
    Abstract: The method executed in a wireless local area network (WLAN) system, according to various embodiments, may comprise: a step in which a reception station (STA), which supports a multilink comprising a first link and a second link, receives a target wake time (TWT) element via the first link, wherein the TWT element is received via a beacon and includes information for TWT period configuration for the second link; a step in which the reception STA configures a TWT period for the second link on the basis of the TWT element; and a step in which the reception STA communicates with a transmission STA via the second link within the TWT period.
    Type: Application
    Filed: August 23, 2019
    Publication date: October 21, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Suhwook KIM, Jeongki KIM, Kiseon RYU, Jinsoo CHOI
  • Publication number: 20210328741
    Abstract: Provided is a method and device for transceiving a frame in a wireless LAN system. Particularly, an AP transmits a first frame to a first STA via a first band. The AP receives a second frame from a second STA via a second band while the first frame is being transmitted. The first band and the second band are combined with each other as a multi-band. The multi-band simultaneously supports a DL transmission and a UL transmission. The relationship between the first STA and the second STA is a hidden node. A PHY header of the first frame includes channel status information of the second band. An NAV of the first STA is set up on the basis of the channel status information.
    Type: Application
    Filed: August 28, 2019
    Publication date: October 21, 2021
    Inventors: Insun JANG, Suhwook KIM, Jeongki KIM, Kiseon RYU, Taewon SONG, Jinsoo CHOI
  • Publication number: 20210315036
    Abstract: A method for operation in a wireless local area network (WLAN) system according to various embodiments may comprise the steps of: determining, by a transmitting device, whether a second link is in an idle state for a first time interval, after receiving an ACK through a first link within a TXOP configured for the first link; aggregating, by the transmitting device, the first link and the second link on the basis of the determination; and transmitting, by the transmitting device, a packet through the aggregated first link and second link.
    Type: Application
    Filed: August 8, 2019
    Publication date: October 7, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Insun JANG, Suhwook KIM, Jeongki KIM, Kiseon RYU, Sungjin PARK, Taewon SONG, Jinsoo CHOI
  • Patent number: 11140629
    Abstract: A method for power management in a wireless LAN system, according to one embodiment of the present specification, comprises the steps of: transmitting a first wake-up packet for a first WUR terminal and a second WUR terminal, wherein the first wake-up packet instructs a first main radio module and a second main radio module to enter into an activation state, and the first wake-up packet includes a first payload, which is modulated according to an On-Off Keying (OOK) method for the first WUR module, and a second payload, which is modulated according to the OOK method for the second WUR module; transmitting a plurality of downlink packets for the first WUR terminal and the second WUR terminal when a preset guard time has elapsed; determining whether at least one acknowledgement packet is received from the first WUR terminal and the second WUR terminal in response to a plurality of downlink packets within a preset retransmission time limit; and transmitting a second wake-up packet according to the determination.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: October 5, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Suhwook Kim, Kiseon Ryu, Hyunhee Park, Jeongki Kim, Hangyu Cho
  • Publication number: 20210298076
    Abstract: Provided is a method for providing information related to at least one channel supported in a wireless local area network (WLAN) system. For example, an extreme high throughput (EHT) operation element may include information related to at least one channel in a first band supporting an EHT standard. A very high throughput (VHT) operation element may include information related to at least one channel in a second band supporting a VHT standard. A high throughput (HT) operation element may include information related to at least one channel in a third band supporting an HT standard. The EHT operation element may include information for a channel number related to at least one channel in the first band and information related to a primary channel in the first band.
    Type: Application
    Filed: July 19, 2019
    Publication date: September 23, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Suhwook KIM, Jeongki KIM, Jinsoo CHOI, Eunsung PARK
  • Publication number: 20210259033
    Abstract: According to various embodiments, a multi-link device (MLD) operating in a first link and a second link may transmit information on data buffered in the MLD through a first station (STA) operating in an awake state. The information on the data buffered in the MLD may include a first information field related to the first STA and a second information field related to a second STA.
    Type: Application
    Filed: January 29, 2021
    Publication date: August 19, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Namyeong KIM, Jeongki KIM, Jinsoo CHOI, Suhwook KIM, Sungjin PARK, Taewon SONG, Insun JANG, Sunhee BAEK
  • Publication number: 20210227469
    Abstract: A method for an STA for receiving a WUR frame in a WLAN, according to one embodiment of the present invention, comprises the steps of: receiving a WUR frame including a first portion of a TSF timer and an MIC value; calculating an MIC verification value on the basis of the first portion of the TSF timer and the TSF timer stored in the STA; and determining whether to discard the received WUR frame depending on whether the MIC value included in the WUR frame matches the calculated MIC verification value, wherein the first portion of the TSF timer included in the WUR frame is the 8-bits following the least significant N-bit in the TSF timer, and the STA may obtain a continuous 48-bit partial TSF timer value through the first portion of the TSF timer and a second portion of the TSF timer stored in the STA, and may calculate the MIC verification value on the basis of the obtained 48-bit partial TSF timer value.
    Type: Application
    Filed: November 1, 2018
    Publication date: July 22, 2021
    Inventors: Jeongki KIM, Suhwook KIM, Kiseon RYU, Taewon SONG
  • Publication number: 20210211927
    Abstract: A method for performing uplink transmission in a wireless LAN system according to an embodiment of the present specification may comprise the steps of: receiving, by an AP, a buffer state report frame from a reception STA coupled to the AP, wherein the buffer state report frame is a frame in which a first frame and a second frame are aggregated, the first frame including a first traffic identifier indicating a transmission priority of a first traffic buffered in the reception STA and first queue size information indicating the amount of the buffered first traffic, and the second frame including a second traffic identifier indicating a transmission priority of a second traffic buffered in the reception STA and second queue size information indicating the amount of the buffered second traffic; and transmitting, by the AP, a trigger frame for a plurality of user STAs participating in UL MU transmission on the basis of a buffer state report frame.
    Type: Application
    Filed: February 17, 2017
    Publication date: July 8, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyunhee PARK, Kiseon RYU, Suhwook KIM, Jeongki KIM, Hangyu CHO
  • Publication number: 20210204204
    Abstract: The present specification relates to a high-efficiency wireless LAN standard operating in a new band. A reception station (STA) according to one embodiment of the present specification can carry out a step of receiving a discovery frame via a 2.4 GHz band or 5 GHz band from a first access point (AP), wherein the discovery frame includes information related to a second AP operating in a 6 GHz band. The reception STA can carry out an association procedure for the second AP operating in the 6 GHz band on the basis of the received information.
    Type: Application
    Filed: August 22, 2019
    Publication date: July 1, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Suhwook KIM, Jeongki KIM, Kiseon RYU, Jinsoo CHOI
  • Publication number: 20210195460
    Abstract: A method for uplink multi-user (UL MU) operation in a WLAN system according to an embodiment of the present specification comprises the steps of: receiving, by an access point (AP), a buffer state report frame used for the UL MU operation from a user STA associated with the AP, wherein the buffer state report frame includes bitmap information for a plurality of access categories for which the buffer state of the user STA is to be reported, and identification information for a number of traffic identifiers (TIDs) for at least one traffic being buffered by the user STA, wherein the identifier information is set based on a number of the plurality of access categories indicated by the bitmap information; and transmitting, by the AP, a trigger frame for triggering the UL MU operation from a plurality of user STAs.
    Type: Application
    Filed: February 17, 2017
    Publication date: June 24, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyunhee PARK, Kiseon RYU, Suhwook KIM, Jeongki KIM, Hangyu CHO
  • Publication number: 20210185612
    Abstract: A method for receiving a WUR frame by a STA in a WLAN according to one embodiment of the present invention may comprise the steps of: receiving a WUR frame comprising a frame control field, an address field, a TD control field, and a frame body; and acquiring BSSID-related information, SSID-related information, and PCR channel-related information from the WUR frame, according to a determination that the WUR frame is a WUR frame for broadcasting information used to find an AP, wherein: the BSSID-related information is obtained by abbreviating an entire BSSID of the AP, and a first part and a second part of the abbreviated BSSID are acquired from the address field and the TD control field, respectively; and the SSID-related information is obtained by abbreviating an entire SSID of the AP, and the abbreviated SSID is acquired from the frame body.
    Type: Application
    Filed: October 30, 2018
    Publication date: June 17, 2021
    Inventors: Taewon SONG, Suhwook KIM, Jeongki KIM, Kiseon RYU, Jinsoo CHOI
  • Publication number: 20210176643
    Abstract: Proposed is a method and device for receiving data in a wireless LAN system. Specifically, an AP transmits a trigger frame to a first to a third station (STA) through a multi-band. The AP receives data from the first to third STAs on the basis of the trigger frame. In the multi-band, a first band to a third band are combined. The trigger frame includes a common information field and a first to a third user information field. When the first and second STAs are associated with the first band, the first user information field includes user information relating to the first and second STAs. When the second and third STAs are associated with the second band, the second user information field includes user information relating to the second and third STAs. When the third STA is associated with the third band, the third user information field includes user information relating to the third STA.
    Type: Application
    Filed: July 10, 2019
    Publication date: June 10, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Insun JANG, Suhwook KIM, Jeongki KIM, Kiseon RYU, Eunsung PARK, Taewon SONG, Jinsoo CHOI
  • Publication number: 20210176785
    Abstract: Proposed are a method and a device for transmitting data in a wireless LAN system. Specifically, a transmission device receives configuration information of a multi-band formed by aggregating first to third bands. The transmission device carries out channel sensing on the first to third bands. The transmission device transmits data to a receiving device on the basis of the result of the channel sensing. The first band comprises a first primary channel and a first secondary channel; the second band comprises a second primary channel and a second secondary channel; and the third band comprises a third primary channel and a third secondary channel.
    Type: Application
    Filed: June 18, 2019
    Publication date: June 10, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Insun JANG, Suhwook KIM, Jeongki KIM, Kiseon RYU, Taewon SONG, Jinsoo CHOI