Method and apparatus for receiving PPDU through multiple RU in wireless LAN system

1. A method in a wireless Local Area Network (LAN) system, the method comprising:

receiving, by a receiving station (STA), a Physical Protocol Data Unit (PPDU) through a broadband from a transmitting STA; and

decoding, by the receiving STA, the PPDU,

wherein the PPDU includes a control field and a data field,

wherein when the broadband is a 320 MHz band including first to fourth 80 MHz subchannels,

the first 80 MHz subchannel includes a first 996 resource unit (RU),

the second 80 MHz subchannel includes a second 996RU,

the third 80 MHz subchannel includes a third 996RU,

the fourth 80 MHz subchannel includes a first 484RU, and

wherein the data field is received through first multiple RUs in which the first to third 996RUs and the first 484RU are aggregated.

2. The method of claim 1 , wherein the PPDU is received based on a non-Orthogonal Frequency Division Multiple Access (non-OFDMA) scheme,

wherein the control field includes allocation information on the first multiple RUs,

wherein the first multiple RUs are obtained by puncturing 484RU in the fourth 80 MHz subchannel,

wherein each of the first to third 996RUs is a RU consisting of 996 tones,

wherein the 484RU is an RU consisting of 484 tones.

3. The method of claim 1 , wherein one of the first to fourth 80 MHz subchannels is a primary 80 MHz channel, and the remaining three subchannels except for the primary 80 MHz channel are secondary 80 MHz channels,

wherein the primary 80 MHz channel includes a primary 20 MHz channel, a secondary 20 MHz channel, and a secondary 40 MHz channel,

wherein the primary 20 MHz channel is not punctured.

4. The method of claim 1 , wherein when the broadband is a 320 MHz band including fifth to eighth 80 MHz subchannels,

wherein the fifth 80 MHz subchannel includes a fourth 996 RU,

wherein the sixth 80 MHz subchannel includes a fifth 996 RU,

wherein the seventh 80 MHz subchannel includes a sixth 996 RU,

wherein the data field is received through second multiple RUs in which the fourth to sixth 996RUs are aggregated.

5. The method of claim 4 , wherein the control field includes allocation information on the second multiple RUS,

wherein the second multiple RUs are obtained by puncturing the eighth 80 MHz subchannel,

wherein each of the fourth to sixth 996RUs is a RU consisting of 996 tones.

6. The method of claim 4 , wherein one of the fifth to eighth 80 MHz subchannels is a primary 80 MHz channel, and the remaining three subchannels except for the primary 80 MHz channel are secondary 80 MHz channels,

wherein the primary 80 MHz channel is not punctured.

7. The method of claim 1 , wherein when the broadband is a 320 MHz band including fifth to eighth 80 MHz subchannels,

wherein the fifth 80 MHz subchannel includes a fourth 996 RU,

wherein the sixth 80 MHz subchannel includes a fifth 996 RU,

wherein the seventh 80 MHz subchannel includes a second 484 RU;

wherein the data field is received through third multiple RUs in which the fourth to fifth 996RUs and the second 484RUs are aggregated.

8. The method of claim 7 , wherein the control field includes allocation information on the third multiple RUS,

wherein the third multiple RUs are obtained by puncturing 484RU in the seventh 80 MHz subchannel and puncturing the eighth 80 MHz subchannel,

wherein each of the fourth to fifth 996RUs is a RU consisting of 996 tones,

wherein the second 484RU is an RU consisting of 484 tones.

9. The method of claim 7 , wherein one of the fifth to eighth 80 MHz subchannels is a primary 80 MHz channel, and the remaining three subchannels except for the primary 80 MHz channel are secondary 80 MHz channels,

wherein the primary 80 MHz channel includes a primary 40 MHz channel and a secondary 40 MHz channel,

wherein the primary 40 MHz channel or the primary 80 MHz channel is not punctured.

10. A receiving station (STA) in a wireless Local Area Network (LAN), the receiving STA comprising:

a memory;

a transceiver; and

a processor operatively coupled to the memory and the transceiver,

wherein the processor is configured to:

receive a Physical Protocol Data Unit (PPDU) through a broadband from a transmitting STA; and

decode the PPDU,

wherein the PPDU includes a control field and a data field,

wherein when the broadband is a 320 MHz band including first to fourth 80 MHz subchannels,

the first 80 MHz subchannel includes a first 996 resource unit (RU),

the second 80 MHz subchannel includes a second 996RU,

the third 80 MHz subchannel includes a third 996RU,

the fourth 80 MHz subchannel includes a first 484RU, and

wherein the data field is received through first multiple RUs in which the first to third 996RUs and the first 484RU are aggregated.

11. A method in a wireless Local Area Network (LAN), the method comprising:

generating, by a transmitting station (STA), a Physical Protocol Data Unit (PPDU); and

transmitting, by the transmitting STA, the PPDU through a broadband to a receiving STA,

wherein the PPDU includes a control field and a data field,

wherein when the broadband is a 320 MHz band including first to fourth 80 MHz subchannels,

the first 80 MHz subchannel includes a first 996 resource unit (RU),

the second 80 MHz subchannel includes a second 996RU,

the third 80 MHz subchannel includes a third 996RU,

the fourth 80 MHz subchannel includes a first 484RU, and

wherein the data field is transmitted through first multiple RUs in which the first to third 996RUs and the first 484RU are aggregated.

12. The method of claim 11 , wherein the PPDU is transmitted based on a non-Orthogonal Frequency Division Multiple Access (non-OFDMA) scheme,

wherein the control field includes allocation information on the first multiple RUs,

wherein the first multiple RUs are obtained by puncturing 484RU in the fourth 80 MHz subchannel,

wherein each of the first to third 996RUs is a RU consisting of 996 tones,

wherein the 484RU is an RU consisting of 484 tones.

13. The method of claim 11 , wherein one of the first to fourth 80 MHz subchannels is a primary 80 MHz channel, and the remaining three subchannels except for the primary 80 MHz channel are secondary 80 MHz channels,

wherein the primary 80 MHz channel includes a primary 20 MHz channel, a secondary 20 MHz channel, and a secondary 40 MHz channel,

wherein the primary 20 MHz channel is not punctured.

14. The method of claim 11 , wherein when the broadband is a 320 MHz band including fifth to eighth 80 MHz subchannels,

wherein the fifth 80 MHz subchannel includes a fourth 996 RU,

wherein the sixth 80 MHz subchannel includes a fifth 996 RU,

wherein the seventh 80 MHz subchannel includes a sixth 996 RU,

wherein the data field is transmitted through second multiple RUs in which the fourth to sixth 996RUs are aggregated.

15. The method of claim 14 , wherein the control field includes allocation information on the second multiple RUs,

wherein the second multiple RUs are obtained by puncturing the eighth 80 MHz subchannel,

wherein each of the fourth to sixth 996RUs is a RU consisting of 996 tones.

16. A transmitting station (STA) in a wireless Local Area Network (LAN), the transmitting STA comprising:

a memory;

a transceiver; and

a processor operatively coupled to the memory and the transceiver,

wherein the processor is configured to:

generate a Physical Protocol Data Unit (PPDU); and

transmit the PPDU through a broadband to a receiving STA,

wherein the PPDU includes a control field and a data field,

wherein when the broadband is a 320 MHz band including first to fourth 80 MHz subchannels,

the first 80 MHz subchannel includes a first 996 resource unit (RU),

the second 80 MHz subchannel includes a second 996RU,

the third 80 MHz subchannel includes a third 996RU,

the fourth 80 MHz subchannel includes a first 484RU, and

wherein the data field is transmitted through first multiple RUs in which the first to third 996RUs and the first 484RU are aggregated.