TRIGGER FRAME TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20250167949A1

    公开(公告)日:2025-05-22

    申请号:US19034369

    申请日:2025-01-22

    Abstract: In a Wireless Local Area Network system, an STA may receive a trigger frame from an AP. The trigger frame may include a common information field and user information fields. Each of the user information fields may include a first field related to an association identifier (AID) and a second field including information for the STA related to the AID. The second field may include special information for every STA receiving the trigger frame on the basis that the first field has a specific value. The common information field may include a present field related to whether a user information field in which the first field has the specific value is present among the user information fields.

    METHOD AND DEVICE FOR USING CODING SUBFIELD RESERVED FOR MU-MIMO IN WIRELESS LAN SYSTEM

    公开(公告)号:US20250105884A1

    公开(公告)日:2025-03-27

    申请号:US18292871

    申请日:2022-08-01

    Abstract: The present disclosure proposes a method and device for using a coding subfield reserved for MU-MIMO in a wireless LAN system. Specifically, a receiving STA receives an MU PPDU from a transmitting STA. The receiving STA decodes the MU PPDU. The MU PPDU includes EHT-SIG and a data field. The EHT-SIG includes a common field and a user field. The user field includes a coding subfield and an MCS subfield. If the data field is transmitted in an RU or MRU having a size larger than a 242 RU on the basis of MU-MIMO, the coding subfield is reserved. If the value of the coding subfield is set to 0, the MCS subfield includes information on a second MCS different from a first MCS defined in an EHT wireless LAN system.

    METHOD AND APPARATUS FOR TRANSMITTING CAPABILITY INFORMATION OF RECEIVING STA IN WIRELESS LAN SYSTEM

    公开(公告)号:US20250047410A1

    公开(公告)日:2025-02-06

    申请号:US18716498

    申请日:2022-11-29

    Abstract: The present disclosure proposes a method and apparatus for transmitting capability information of a receiving STA in a wireless LAN system. Specifically, a receiving STA generates capability information of the receiving STA and transmits same to a transmitting STA. The capability information of the receiving STA includes an EHT Capabilities element. The EHT Capabilities element includes a Supported EHT-MCS And NSS Set field. The Supported EHT-MCS And NSS Set field includes first to fourth sub-fields. The first subfield includes information related to the maximum number of spatial streams that the receiving STA can transmit/receive in each MCS, if the receiving STA is a non-AP STA operating only at 20 MHz, and a transmission bandwidth is 20 MHz, 40 MHz, 80 MHz, 160 MHz or 320 MHz.

    METHOD AND DEVICE FOR APPLYING SEQUENCE AND PREAMBLE PUNCTURING TO A-PPDU IN WIRELESS LAN SYSTEM

    公开(公告)号:US20240373406A1

    公开(公告)日:2024-11-07

    申请号:US18686836

    申请日:2022-10-05

    Abstract: The present specification (disclosure) proposes a method and device for applying a sequence and preamble puncturing to an A-PPDU in a wireless LAN system. Specifically, a reception STA receives an A-PPDU from a transmission STA. The reception STA decodes the A-PPDU. The A-PPDU includes a first PPDU for a primary 160 MHz channel and a second PPDU for a secondary 160 MHz channel. The reception STA is allocated to the secondary 160 MHz channel by SST. The first PPDU is transmitted on the basis of a first sequence for 160 MHz and a first preamble puncturing pattern for 160 MHz. The second PPDU is transmitted on the basis of a second sequence for 160 MHz and a second preamble puncturing pattern for 160 MHz.

    METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING CHANNEL STATE INFORMATION IN WIRELESS LAN SYSTEM

    公开(公告)号:US20240292254A1

    公开(公告)日:2024-08-29

    申请号:US18568685

    申请日:2022-06-03

    CPC classification number: H04W24/10 H04W84/12

    Abstract: A method and a device for transmission based on a duplication (DUP) mode related to frequency unit puncturing in a wireless LAN system are disclosed. A method for transmitting or receiving a physical layer protocol data unit (PPDU) by a station (STA) in a wireless LAN system according to an embodiment of the present disclosure may comprise the steps of: receiving, from an access point (AP), information related to whether a duplication (DUP) mode is supported; and transmitting or receiving the PPDU on the basis of whether the DUP mode is supported, wherein the information related to whether the DUP mode is supported is included in the same one frame as that for information related to puncturing of one or more frequency units within a basic service set (BSS) bandwidth.

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