Configuration of data unit for duplicate transmission

1. A method performed by a transmitting station (STA) of a wireless local area network (LAN), the method comprising:

configuring a transmission physical protocol data unit (PPDU) based on a duplicate transmission mode,

wherein the transmission PPDU includes a first control signal field for interpreting the transmission PPDU, a short training field (STF), a long training field (LTF), and a data field;

wherein the first control signal field includes a type field having a type value related to the duplicate transmission mode,

wherein the data field includes a first data resource unit (RU) including a tone for half of a total bandwidth of the transmission PPDU and a second data RU in which the first data RU is duplicated in frequency,

wherein the STF is configured based on an STF sequence pre-configured for the total bandwidth, and

wherein the LTF is configured based on an LTF sequence pre-configured for the total bandwidth; and

transmitting the transmission PPDU.

2. The method of claim 1 , wherein the total bandwidth is 80 MHz, 160 MHz, or 320 MHz,

wherein the STF is an extremely high throughput (EHT)-STF,

wherein the LTF is an EHT-LTF.

3. The method of claim 1 , wherein the total bandwidth of the transmission PPDU is 80 MHz, the first data RU is a 484-tone RU,

wherein the first data RU includes user data for a single user.

4. The method of claim 1 , wherein the transmission PPDU includes a second control signal field contiguous to the first control signal field;

wherein the second control signal field includes a modulation and coding scheme (MCS) field related to MCS information applied to the data field,

wherein the first data RU is modulated based on a binary phase shift keying (BPSK) technique and a dual carrier modulation (DCM) technique.

5. The method of claim 4 , wherein the transmission PPDU is an extremely high throughput (EHT) PPDU, the first control signal field is a universal signal field (U-SIG) field, the second control signal field is an EHT SIG field,

wherein the type field included in the first control signal field has a length of 2 bits.

6. The method of claim 1 , wherein the transmission PPDU is transmitted through a 6 GHz band without preamble puncturing.

7. A method performed by a receiving station (STA) of a wireless local area network (LAN), the method comprising:

receiving a reception physical protocol data unit (PPDU),

wherein the reception PPDU includes a first control signal field for interpreting the transmission PPDU, a short training field (STF), a long training field (LTF), and a data field;

wherein the reception PPDU is configured based on a duplicate transmission mode, wherein the first control signal field includes a type field having a type value related to the duplicate transmission mode,

wherein the data field includes a first data resource unit (RU) including a tone for half of a total bandwidth of the reception PPDU and a second data RU in which the first data RU is duplicated in frequency,

wherein the STF is configured based on an STF sequence pre-configured for the total bandwidth, and

wherein the LTF is configured based on an LTF sequence pre-configured for the total bandwidth; and

decoding the reception PPDU based on the first control signal field.

8. The method of claim 7 , wherein the total bandwidth is 80 MHz, 160 MHz, or 320 MHz,

wherein the STF is an extremely high throughput (EHT)-STF,

wherein the LTF is an EHT-LTF.

9. The method of claim 7 , wherein the total bandwidth of the reception PPDU is 80 MHz, the first data RU is a 484-tone RU,

wherein the first data RU includes user data for a single user.

10. The method of claim 7 , wherein the reception PPDU includes a second control signal field contiguous to the first control signal field;

wherein the second control signal field includes a modulation and coding scheme (MCS) field related to MCS information applied to the data field,

wherein the first data RU is modulated based on a binary phase shift keying (BPSK) technique and a dual carrier modulation (DCM) technique.

11. The method of claim 7 , wherein the reception PPDU is an extremely high throughput (EHT) PPDU, the first control signal field is a universal signal field (U-SIG) field, the second control signal field is an EHT SIG field,

wherein the type field included in the first control signal field has a length of 2 bits.

12. The method of claim 7 , wherein the reception PPDU is received through a 6 GHz band without preamble puncturing.

13. A transmitting station (STA) of a wireless local area network (LAN), the transmitting STA comprising:

a transceiver transmitting a wireless signal; and

a processor controlling the transceiver,

wherein the processor is adapted to:

configure a transmission physical protocol data unit (PPDU) based on a duplicate transmission mode,

wherein the transmission PPDU includes a first control signal field for interpreting the transmission PPDU, a short training field (STF), a long training field (LTF), and a data field;

wherein the first control signal field includes a type field having a type value related to the duplicate transmission mode,

wherein the data field includes a first data resource unit (RU) including a tone for half of a total bandwidth of the transmission PPDU and a second data RU in which the first data RU is duplicated in frequency,

wherein the STF is configured based on an STF sequence pre-configured for the total bandwidth, and

wherein the LTF is configured based on an LTF sequence pre-configured for the total bandwidth; and

transmit, via the transceiver, the transmission PPDU.