Lg Electronics Inc.

Wilus Institute of Standards and Technology Inc.

Seoul National University

E-song Emc Co., Ltd.

Sanghyun Kim

Joonhui Lee

Jinpil Kim

Kyoungsoo Moon

Kyungho Kim

Aettie Ji

Jongyeul Suh

Kwansuk Kim

Dongwan Seo

Jinsam Kwak

Juhyung Son

Geonjung Ko

Hyeonjae Lee

Jaehee Chung

Gomer Thomas

Sungok Park

Youngjae Seo

Sejin Oh

Seungjoo An

Suhwook Kim

Hotaek Hong

Youngjin Kim

Kyung Su Kim

TaeGyun Kim

Jung Chan Lee

Kyutae Ahn

Sewook Oh

Jihoon Yun

Hagryang Kim

Jaeheung Park

Min Ji Park

Byeongtak Lee

Woo Sang Cho

Gil Joon Suh

Woon Yong Kwon

Hyeongjae Lee

Kyoung Min You

Kawansuk Kim

Jung-In Ko

Jeeseop Kim

Sang Hoon Na

Yoon Sun Jung

Jaesug Jung

Byeong Wook Yoo

Jin Woo Choi

Jongcheol Hwang

Kwangsuk Ko

Disclosed is a station which communicates with an access point (AP) multi-link device using a plurality of links. The AP multi-link device comprises: a transceiver, and a processor. The processor receives, by using the transceiver, a management frame from the AP multi-link device, and obtains, from the management frame, a multi-link setup element including information required for setting the plurality of links. The multi-link setup element includes a common part including information corresponding to all links signaled by the multi-link setup element, and link-specific parts independently including information corresponding to each of the plurality of links signaled by the multi-link setup element.

Wireless communication method using multi-link and wireless communication terminal using same

A non-access point (AP) multi-link device (MLD) of the present invention, comprising a plurality of stations operating on a plurality of links in a wireless communication system, may receive a frame from an AP MLD comprising a plurality of APs, operating on a plurality of links, and may process each of one or more TBTT information fields on the basis of a TBTT information type subfield and a TBTT information length field included in the frame.

Wireless communication method using multiple links, and wireless communication terminal using same

Disclosed is a method for receiving data by a terminal in a wireless communication system. The terminal may receive a physical protocol data unit (physical layer protocol data unit: PPDU) from an access point (APAP) and decode the received PPDU. The PPDU may include a universal signal (U-SIG) field and an extremely high throughput (EHT)-SIG field including at least one content channel, and the U-SIG field may include a bandwidth field indicating the total bandwidth via which the PPDU is transmitted. The total bandwidth is divided into at least one segment, and at least one of field among same fields includes same information except for a resource unit allocation (RU allocation) field between a first content channel and a second content channel in the same segment among the at least one segment when the at least one content channel is composed of a first content channel and a second content channel.

Signalling method through resource allocation in wireless communication system and wireless communication terminal

Disclosed is a method for transmitting and receiving a physical protocol data unit (PPDU) in a wireless communication system. A terminal receives a preamble of the PPDU from an access point (AP). The preamble includes a universal signal (U-SIG) field and an extremely high throughput (EHT)-SIG field, wherein the EHT-SIG field may be configured with at least one content channel on a frequency axis. Here, the number of the at least one content channel may be recognized on the basis of the U-SIG field. Subsequently, the terminal receives data of the PPDU on the basis of the U-SIG field and the EHT-SIG field.

Method for transmitting and receiving data in wireless communication system, and wireless communication terminal

A multi-link device using a plurality of links is disclosed. The multi-link device comprises: a transceiving unit; and a processor. When the multi-link device transmits a plurality of PPDUs simultaneously on the plurality of links using the transceiving unit, the processor determines a transmission end time of the plurality of PPDUs on the basis of whether the multi-link device transmits a frame requesting an ACK.

Disclosed are a method and device for channel switching performed by a multilink device (MLD) including a plurality of stations each operating on a plurality of links in a wireless communication system. Specifically, the MLD of the present invention can receive a frame for channel switching from a first access point (AP) of an AP MLD including at least one AP and recognize channel switching of another AP on the basis of the received frame.

The present invention provides a channel switching method and device, the method performed by a multi-link device (MLD) comprising a plurality of stations, which respectively operate in a plurality of links, in a wireless communication system. Particularly, the MLD of the present invention may: receive a frame comprising channel switching information for channel switching from a first AP of a primary link from among the plurality of links; and determine whether or not channel switching is to be performed for a station connected to a second AP by means of a subsidiary link, on the basis of the channel switching information.

Wireless communication method using multi-link, and wireless communication terminal using same

A non-access point (AP) multi-link device operating in a first link and a second link is disclosed. The non-AP multi-link device comprises a transmission/reception unit and a processor. The processor receives a beacon frame or a probe response frame from an AP multi-link device operating in the first link and the second link, determines a traffic identifier (TID) mapped to the first link and the second link according to TID-to-Link mapping indicated by the beacon frame or the probe response frame, and performs transmission in the first link or the second link according to the TID mapped to the first link and the second link.

Wireless communication method using multi-links, and wireless communication terminal using same

A non-AP station for communicating with an access point (AP) is disclosed. The non-AP station comprises a transceiving unit and a processor. The processor: receives, from the AP by using the transceiving unit, a first PPDU including a multi user-request to send (MU-RTS) TXOP sharing (TXS) trigger frame; for the MU-RTS TXS trigger frame, allocates, to the non-AP station, a shared TXOP that is a portion of a TXOP acquired by the AP; transmits, to the AP by using the transceiving unit, a second PPDU including a CTS frame in response to the MU-RTS TXS frame; and transmits a third PPDU within the shared TXOP by using the transceiving unit.

Wireless communication apparatus using shared TXOP and operation method for wireless communication apparatus

The present invention provides a device and a method for data reception/transmission performed by a multi-link device (MLD) including multiple stations operating in multiple links in a wireless communication system. Specifically, the MLD in the present invention may receive a frame transmitted from a first access point (AP) or a first station (STA) operating in the first link, through a second STA operating in the second link, and reset a medium sync delay timer for application of a medium sync delay of the second STA on the basis of the received frame when the medium sync delay timer is not '0'.

Wireless communication method using multilink, and wireless communication terminal using same

Disclosed are a traffic transmission method and device, the method being performed by a terminal in a wireless communication system. Specifically, a non-access point (AP) STA of the present invention can receive, from an AP, a trigger frame triggering the transmission of a physical layer protocol data unit (PPDU). The trigger frame includes information indicating at least one traffic identifier (TID) that is allowed to be transmitted in a target wake time (TWT) period. The TWT period may indicate a period in which the transmission of traffic for the at least one TID having a specific transmission condition is allowed, and the transmission of traffic not having the specific transmission condition is restricted. Thereafter, the non-AP STA transmits a PPDU, including the traffic corresponding to the at least one TID, to the AP within the TWT period.

Wireless communication method using multilink and wireless communication terminal using same

A station in a wireless communication system is disclosed. The station includes: a transceiver; and a processor for controlling the transceiver. The processor receives a trigger frame for triggering uplink transmission from an access point (AP), and the trigger frame allocates, to the station, a part of a transmission opportunity (TXOP) acquired by the AP, as a shared TXOP, transmits a CTS frame as a response to the trigger frame, and switches a first enhanced distributed channel access (EDCA) parameter set used for channel access to a second EDCA parameter set based on transmission for the AP within the shared TXOP.

Wireless communication method using shared TXOP, and wireless communication terminal using same

An automatic cardiopulmonary resuscitation device includes a movable chest compressor for repeatedly pressing a patient's chest at a preset depth and cycle, a cardiac output measurement unit for measuring a cardiac output of the patient in accordance with the pressurization of the chest compressor and a processor for changing pressing locations by performing control such that the chest compressor moves according to a preset method.

Automatic cardiopulmonary resuscitation device and control method therefor

Growing community of inventors

Seoul, South Korea

Sanghyun Kim