Abstract: In a wireless local area network system, a shared AP may receive an announcement frame and a data frame from a sharing AP for multi-AP transmission. In the present disclosure, the announcement frame may be transmitted in a broadcasting scheme. The data field of the announcement frame may include an identifier (ID) of the shared AP. The shared AP may receive a data frame from the sharing AP. In the present disclosure, a receiver address (RA) field of the data frame may include an address of the sharing AP. The shared AP may decode the data frame based on the address of the sharing AP included in the RA field of the data frame.

Abstract: In a wireless local area network (LAN) system, a station (STA) may transmit a first physical protocol data unit (PPDU) including information related to low latency traffic. The low latency traffic may be traffic requiring a latency less than or equal to a threshold value. A resource for the low latency traffic may be allocated to the STA. The STA may transmit, via the resource, a second PPDU including the low latency traffic.

Abstract: In a wireless local area network system, a station (STA) may transmit a low-latency queue activation signal. The STA may additionally receive, from an access point (AP), allocation of a resource for data transmitted using a low-latency queue. The STA may transmit a signal requesting, from the AP, a change of an allocation resource.

Abstract: One example according to the present specification relates to a method for identifying the format of a PPDU in a wireless LAN (WLAN) system. A receiving STA may receive a first PPDU. The receiving STA may check at least one extra tone of at least one symbol of the first PPDU. The receiving STA may determine, on the basis of the at least one extra tone, the format of the first PPDU as a repeated PPDU format. Thereafter, the receiving STA may receive a second PPDU including the same data as the first PPDU.

Abstract: In a wireless local area network, a reception station (STA) may receive, from a transmission STA, a first signal via a first link and a second signal via a second link. The reception STA may transmit, to the transmission STA via the second link, a response signal associated with whether the first and second signals are to be received. The response signal may include a first field associated with the feature of the response signal including responses with respect to whether a plurality of signals transmitted via a plurality of links are to be received.

Abstract: In a wireless local area network (LAN) system, a station (STA) may transmit a first physical protocol data unit (PPDU) including information indicating that a first traffic identifier (TID) is mapped to a first link and a second TID is mapped to a second link. The STA may transmit traffic pertaining to the first TID through only the first link, and traffic pertaining to the second TID through only the second link.

Abstract: A method and an apparatus for transmitting a PPDU on the basis of an S-TDMA in a wireless LAN system are presented. Particularly, an AP transmits a trigger frame to a first STA and a second STA. The AP receives, on the basis of the trigger frame, a first trigger-based frame from the first STA and a second trigger-based frame from the second STA. The trigger frame includes a common information field and a user information field. The common information field includes S-TDMA indication information enabling the S-TDMA to be performed. The user information field includes: allocation information on a first RU to which the first trigger-based frame and the second trigger-based frame are transmitted; first symbol offset information on the first trigger-based frame; and second symbol offset information on the second trigger-based frame.

Abstract: In a wireless local area network system, a station (STA) may transmit, to an access point (AP), low-latency queue capability information including information related to whether the STA supports a low-latency queue. The STA may receive, from the AP, low-latency queue operation information including information related to a low-latency queue activation condition. The present invention may include a step of allowing the STA to transmit a low-latency queue activation signal to the AP on the basis of the low-latency queue activation condition.

Abstract: The present specification proposes a method for resuming a PHY-level HARQ operation in a wireless local area network (WLAN) system. The method may include transmitting a resume signal including information related to resumption of hybrid automatic repeat request (HARQ) retransmission. The method may include transmitting a physical protocol data unit (PPDU) after transmitting the resume signal. The PPDU and the resume signal may be transmitted in different transmission opportunities (TXOPs).

Abstract: The present invention relates to a method for an HARQ operation at a PHY layer level in a wireless LAN system or an apparatus for performing same. The method is characterized in receiving, from a transmission STA, a PPDU including a receiver ID which is a PHY layer signal, performing an error check on the PPDU, on the basis of the error check, transmitting an HARQ feedback frame which is a PHY layer signal, and receiving a retransmission PPDU.

Abstract: In a wireless local area network system, a station (STA) may receive, from an access point (AP), a trigger frame including first association identifier (AID) information for orthogonal frequency division multiple access (OFDMA)-based random access and resource allocation information related to a first resource unit corresponding to the first AID information. The first AID information may be related to a first STA group, which has traffic requiring latency equal to or smaller than a first threshold value, among STAs coupled with the AP. The STA may perform OFDMA-based random access on the basis of the first AID information.

Abstract: One embodiment according to the present specification relates to a technique for multiple frame transmission in a wireless LAN (WLAN) system. A transmission STA can transmit a first next generation V2X physical protocol data unit (NGV PPDU) from among a plurality of NGV PPDUs for a multiple frame transmission mode. Afterwards, the transmission STA can identify a channel state for the transmission of a second NGV PPDU from among the plurality of NGV PPDUs. The transmission STA can determine, on the basis of the channel state, whether to transmit the second NGV PPDU.

Abstract: In a wireless local area network system, a station (STA) may transmit a low latency queue activation signal. The STA may receive a low latency queue activation approval signal. The present invention may comprise a step for transmitting data by the STA via a low latency queue.

Abstract: An embodiment according to the present specification relates to a method for performing low latency communication. An STA can determine a first parameter set between the first parameter set and a second parameter set on the basis of the time delay value of uplink data. The STA can access a channel on the basis of the first parameter set and transmit the uplink data to an AP.

Abstract: In a wireless local area network (LAN) system, a station (STA) receives, from an access point (AP), channel information related to a multilink, and the channel information may include link identifier information of a plurality of links included in the multilink. The STA transmits, to the AP, link selection information on the basis of the channel information, and the link selection information may include information related to whether the STA can use each of the plurality of links, and information related to whether the STA uses each of the plurality of links for data transmission.

Abstract: An example according to the present specification relates to a technique for filtering a PPDU in a wireless LAN (WLAN) system. An STA may receive an NGV PPDU including a first control field and a second control field. The STA may filter the NGV PPDU on the basis of the second control field and may defer channel access on the basis of the first control field.

Abstract: In a wireless local area network (LAN) system, a transmission station (STA) may transmit, to a receiving STA, a PHY protocol data unit (PPDU) including a first redundancy version of transmission data. On the basis of whether an acknowledgement (ACK) or negative ACK (NACK) frame is received within a threshold time, the transmission STA may determine a second redundancy version of the transmission data to be retransmitted.

Abstract: The present embodiment relates to a method for receiving a frame by a first wireless terminal in a wireless LAN system, the method comprising the steps of: transmitting a WUR parameter request frame including capability information of a first wireless terminal, which is related to a low power mode, to a second wireless terminal; receiving, from the second wireless terminal, a WUR parameter response frame including operation information approved by the second wireless terminal on the basis of the capability information, wherein the operation information includes time information for a first WUR beacon frame to be transmitted by the second wireless terminal; after receiving the WUR parameter response frame, transmitting a WUR mode request frame to the second wireless terminal in order to enter a low power mode; and when an ACK frame relating to the WUR mode request frame is received from the second wireless terminal, performing operation in the low power mode on the basis of the operation information, wherein t

Abstract: A method performed by a first STA in a wireless local area network (WLAN) according to various embodiments may comprise transmitting or receiving a TWT setup request message and a TWT setup response message. The first STA may perform a TWT operation on the basis of the TWT setup request message and the TWT setup response message. The TWT setup request message and the TWT setup response message may be transmitted or received through a first link included in multiple links. The first STA may set the first link to be in an awake state in order to perform the TWT operation through the first link.

Abstract: In a wireless local area network system, a station (STA) generates a physical (PHY) protocol data unit (PPDU) including at least one subframe and information related to a subframe length, wherein the subframe may include a medium access control (MAC) protocol data unit (MPDU) and a padding bit. The length of the padding bit may be determined such that the length of the subframes is an integer multiple of a codeword length. The information related to the subframe length may be information on the number of codewords related to the subframe length. A step in which the STA transmits the PPDU may be comprised.