Method for configuring frame including signal field including control information for data field in wireless local area network system and apparatus therefor

An apparatus for transmitting a physical layer protocol data unit (PPDU) in a wireless local area network (WLAN) system, the apparatus comprising:

• a radio frequency (RF) unit for transmitting a radio signal;
• and
• a processor operatively coupled to the RF unit,
• wherein the processor is configured for:
• configuring the PPDU to be transmitted based on a transmission band including first to eighth frequency bands each being contiguous with one another,
• wherein the second frequency band is nulled,
• wherein the PPDU includes a first signal field to be transmitted on the first frequency band,
• wherein the first signal field includes resource unit (RU) information and station (STA) identification information used for data fields included in the first, third, fifth, seventh, fourth, sixth and eighth frequency bands,
• wherein the first signal field is duplicated in the third, fifth and seventh frequency bands,
• wherein the PPDU includes a fourth signal field to be transmitted on the fourth frequency band,
• wherein the fourth signal field includes RU information and STA identification information used for data fields included in the fourth, sixth and eighth frequency bands, and
• wherein the fourth signal field is duplicated in the sixth and eighth frequency bands;
• and
• transmitting the PPDU to STAs.