Lg Electronics Inc.

Other

University-Industry Cooperation Group of Kyung Hee University

Hangyu Cho

Jinsoo Choi

Kiseon Ryu

Jeongki Kim

Dongguk Lim

Wookbong Lee

Suhwook Kim

Eunsung Park

Jinyoung Chun

Dongcheol Kim

Giwon Park

Jinmin Kim

Jiwoong Jang

Kyujin Park

Kyungtae Jo

Sungjin Park

Jiwon Kang

Hyunhee Park

Sungho Park

Jinsam Kwak

Seunghee Han

Jaehoon Chung

Byungjoo Lee

Hyunwoo Lee

Hyeyoung Choi

Hyunsoo Ko

Yongho Seok

Kilbom Lee

Jinho Kim

Seunghyun Kang

Youngsoo Yuk

Sungho Moon

Yeonghyeon Kwon

Minseok Noh

Jeonghwan Kim

Sanggook Kim

Youngjun Jo

Jingu Choi

Saehee Bang

Minseok Oh

Minsoo Lee

Moonil Lee

Sunwoong Yun

Jin Sam Kwak

Heejeong Cho

Jin Soo Lee

Hyeonjae Lee

Taewon Song

Younghwan Kwon

Jinkwon Lim

Taesung Lim

Inuk Jung

YoungMin Jeong

Jonghun Song

Hongwon Lee

Jeonghwan Yoon

Jonghyun Baik

Jinsoo Cho

Joonkie Kim

Hyundong Shin

Homin Yoo

Jimin Kim

Provided are a method for transmitting and receiving data and a device for same in a short-range wireless communication system. More specifically, the method comprises the steps of: receiving, from a first slave device, a first advertising message for providing a service related to transmitting and receiving the data; forming a shared link, which is for transmitting and receiving the data and is formed on the basis of the first advertising message, on the basis of link parameters for the configuration of the shared link, the shared link including (i) a first link for data transmission from a master device to a slave device, and (ii) a second link for data transmission from the slave device to the master device; and receiving, from a second slave device, a second advertising message for providing the service. wherein the link parameters applied to the shared link are updated on the basis of the second advertising message in order to add the second slave device as a slave device related to the shared link, and the updated link parameters are configured as different values for each of (i) the first link, and (ii) the second link on the basis of the characteristics of the first and second links.

Method for transmitting and receiving data and device for same in short-range wireless communication system

A method of transmitting a frame by a station (STA) in a wireless LAN system supporting an HE PPDU (high efficiency physical layer protocol data unit) according to an embodiment of the present invention includes: setting a first duration field included in an HE-SIG A field; and transmitting a frame including the HE-SIG A field and a MAC header, wherein the first duration field is set to indicate a TXOP (transmission opportunity) value using a smaller number of bits than a second duration field included in the MAC header, and a granularity of a time unit used for indicating the TXOP value in the first duration field is set to be different from a granularity of a time unit used in the second duration field.

Method for transmitting or receiving frame in wireless LAN system and apparatus therefor

Proposed are a method and a device for multiple control of an IoT controlee device on the basis of C2C account linkage in a wireless LAN system in a smart home environment. Specifically, a first control device connects to a first cloud on the basis of a first account. A first control device receives commissioning information of a second control device for the controlee device on the basis of a connection between the first cloud and a second cloud. The first control device adds commissioning to the controlee device on the basis of the commissioning information. The second control device is connected to the second cloud on the basis of a second account. The first account and the second account are linked with each other.

Method and device for multiple control of IoT device on basis of C2C account linkage in wireless LAN system in smart home environment

Proposed are a method and an apparatus for setting the registration between an IoT controller and IoT controlee on the basis of a C2C connection in a wireless LAN system of a smart home environment. Particularly, the controlee receives detection information about the controlee from the controller. The controlee transmits a challenge request message for requesting the first information from the controller. The controlee receives a challenge response message including the first information from the controller. The controlee transmits a challenge confirm message to the controller.

Method and apparatus for setting registration between IoT controller and IoT controlee on basis of C2C connection in wireless LAN system of smart home environment

Proposed is a method and device for generating a user identification model on the basis of wireless sensing in a wireless LAN system. Specifically, a user identification apparatus discovers a PED and acquires identification information about the PED. The user identification apparatus collects data and pre-processes the collected data on the basis of the identification information about the PED. The user identification apparatus generates a user identification model by learning the pre-processed data.

Method and device for generating user identification model on basis of wireless sensing

Proposed are a method and an apparatus in which a plurality of CHIP controllers control an accessory STA in a wireless LAN system in a smart home environment. Particularly, the accessory STA performs a connection procedure for a first CHIP network to which a first controller belongs. The accessory STA receives a set configuration request message from the first controller. The accessory STA transmits a set configuration response message to the first controller. The accessory STA performs a connection procedure for a second CHIP network to which a second controller belongs.

Method and apparatus for setting multiple controllers in wireless LAN system in smart home environment

Disclosed are a method and an apparatus for generating an STF signal usable in a wireless LAN system. The STF signal is included in a field used to improve AGC estimation of a MIMO transmission. A portion of the STF signal is used to transmit an uplink, and can be used for uplink MU PPDUs transmitted from a plurality of STAs. The STF signal that is disclosed, for example, is used for a 40 MHz band or an 80 MHz band, is desirably usable for the 40 MHz band, and can be generated based on a sequence in which a predetermined M sequence is repeated. The predetermined M sequence can be a binary sequence of which the length is 15 bits.

Method and apparatus for generating training signal using predetermined binary sequence in wireless LAN system

Disclosed herein is an operating method of a station (STA) in a wireless LAN (WLAN) system. The method includes receiving a downlink (DL) physical protocol data unit (PPDU) and sending an uplink (UL) PPDU as a response to the DL PPDU. The DL PPDU may include at least one MAC protocol data unit (MPDU) and the at least one MPDU may include a first high efficiency (HE) control field. The UL PPDU may include at least one MAC protocol data unit (MPDU) and the at least one MPDU may include a second high efficiency (HE) control field. The each of the first and second HE control fields corresponds to an HT control field and comprises a plurality of aggregated HE control subfield. The HT control field includes VHT subfield value set to '1' and HE subfield value set to “1”.

Method for feeding back channel state in wireless communication system and device therefor

Provided are a method and apparatus for acquiring information of a CHIP device using a GAS in a wireless LAN system in a smart home environment Specifically, a controller obtains first to third identifiers by scanning a quick response (QR) code of a controlee; The controller transmits a GAS initiation request message to the controlee. The controller receives a GAS initiation response message from the controlee. The GAS initiation request message includes first and second identifiers and an encrypted payload. The GAS initiation response message includes a decrypted payload when the first and second identifiers are the same as identifiers of the controlee.

Method and apparatus for acquiring information of chip device using gas in wireless LAN system in smart home environment

In the wireless LAN system, the station STA receives a frame and updates a corresponding Inter-BSS Network Allocation Vector (NAV) or Intra-BSS NAV according to whether the frame is an Inter-BSS (Basic Service Set) frame or an Intra-BSS frame. If the received frame cannot be distinguished from the Inter-BSS frame or the Intra-BSS frame, it updates the Inter-NAV, and after receiving the frame that cannot be distinguished from the Inter-BSS frame or the Intra-BSS frame, it receives the CF-End frame, and then the corresponding NAV is reset.

Heterogeneous network allocation vector (NAV)-based communication in wireless LAN system

A wireless communication system and, more particularly, to a method for performing efficient signaling for a reserved sub-band in a wireless LAN system, and a method and an apparatus for signal transmission using the same. To this end, an STA provides resource allocation information for transmitting data to a plurality of STAs using an orthogonal frequency divisional multiple access (OFDMA) or multiple user MIMO (MU-MIMO) method; transmits the resource allocation information to the plurality of STAs; and transmits data to the plurality of STAs according to the resource allocation information. The entire frequency band may include a sub-band which is not used for the data transmission, and it is preferable that the resource allocation information includes a resource allocation bitmap having a form common to the plurality of STAs and indication information which informs a sub-band, from among the entire frequency band, which is not used for the data transmission.

Method and apparatus for performing signaling for reserved sub-band in wireless communication system

Growing community of inventors

Seoul, South Korea

Hangyu Cho