METHOD AND DEVICE FOR USING CODING SUBFIELD RESERVED FOR MU-MIMO IN WIRELESS LAN SYSTEM
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Aug 1, 2022
filing date -
Aug 1, 2022
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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.
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