Puncturing-based 240 MHZ transmission
In a wireless local area network (WLAN) system, a transmission STA can transmit a PPDU via a 320 MHz channel, and a Medium Access Control (MAC) signal may be generated for the PPDU. The MAC signal may include puncturing pattern information and channel center frequency segment (CCFS) information for a 320 MHz band. The CCFS information may include a first CCFS field related to channel center frequency (CCF) information of a primary 160 MHz channel, and a second CCFS field related to CCF information of a 320 MHz channel.
1. A method performed by a transmitting device in a wireless local area network (LAN) system, the method comprising:
generating a Medium Access Control (MAC) signal including channel center frequency segment (CCFS) information and puncturing information for a 320 MHz physical protocol data unit (PPDU),
wherein the CCFS information includes a first CCFS field related to channel center frequency (CCF) information of a primary 160 MHz channel, and a second CCFS field related to CCF information of a 320 MHz channel,
wherein the first CCFS field has a length of one octet, and the second CCFS field has a length of one octet,
wherein the puncturing information includes bitmap information related to at least one subchannel to be punctured within the 320 MHz PPDU; and
transmitting the MAC signal to a receiving device.
2. The method of claim 1 , further comprising:
generating the 320 MHz PPDU based on the MAC signal; and
transmitting the 320 MHz PPDU to the receiving device.
3. The method of claim 1 , wherein the 320 MHz PPDU is an extremely high throughput (EHT) PPDU.
4. The method of claim 1 , wherein the 320 MHz PPDU is transmitted through the 320 MHz channel including the primary 160 MHz channel.
5. The method of claim 1 , wherein the MAC signal further includes a channel width field related to a bandwidth of the 320 MHz PPDU.
6. The method of claim 1 , wherein the transmitting device supports a multi-link communication related to a plurality of links, wherein the MAC signal further includes a link identifier (ID) related to at least one of the plurality of links supported by the transmitting device.
7. The method of claim 1 , wherein the MAC signal further includes capability information related to whether the transmitting device transmits the 320 MHz PPDU through a 6 GHz band.
8. A method performed by a receiving device in a wireless local area network (LAN) system, the method comprising:
receiving, from a transmitting device, a Medium Access Control (MAC) signal including channel center frequency segment (CCFS) information and puncturing information for a 320 MHz physical protocol data unit (PPDU),
wherein the CCFS information includes a first CCFS field related to channel center frequency (CCF) information of a primary 160 MHz channel, and a second CCFS field related to CCF information of a 320 MHz channel,
wherein the first CCFS field has a length of one octet, and the second CCFS field has a length of one octet,
wherein the puncturing information includes bitmap information related to at least one subchannel to be punctured within the 320 MHz PPDU; and
obtaining the CCFS information and the puncturing information.
9. The method of claim 8 , further comprising:
receiving the 320 MHz PPDU generated based on the MAC signal.
10. The method of claim 8 , wherein the 320 MHz PPDU is an extremely high throughput (EHT) PPDU.
11. The method of claim 8 , wherein the 320 MHz PPDU is received through the 320 MHz channel including the primary 160 MHz channel.
12. The method of claim 8 , wherein the MAC signal further includes a channel width field related to a bandwidth of the 320 MHz PPDU.
13. The method of claim 8 , wherein the transmitting device supports a multi-link communication related to a plurality of links, wherein the MAC signal further includes a link identifier (ID) related to at least one of the plurality of links supported by the transmitting device.
14. The method of claim 8 , wherein the MAC signal further includes capability information related to whether the transmitting device transmits the 320 MHz PPDU through a 6 GHz band.
15. A receiving device in a wireless local area network (LAN) system, comprising:
a memory storing a received signal from a transmitting device; and
a processor coupled to the memory,
wherein the processor is configured to:
receive, from the transmitting device, a Medium Access Control (MAC) signal including channel center frequency segment (CCFS) information and puncturing information for a 320 MHz physical protocol data unit (PPDU),
wherein the CCFS information includes a first CCFS field related to channel center frequency (CCF) information of a primary 160 MHz channel, and a second CCFS field related to CCF information of a 320 MHz channel,
wherein the first CCFS field has a length of one octet, and the second CCFS field has a length of one octet,
wherein the puncturing information includes bitmap information related to at least one subchannel to be punctured within the 320 MHz PPDU; and
obtain the CCFS information and the puncturing information.
16. The receiving device of claim 15 , wherein the processor is further configured to receive the 320 MHz PPDU generated based on the MAC signal.
17. The receiving device of claim 15 , wherein the 320 MHz PPDU is an extremely high throughput (EHT) PPDU.
18. The receiving device of claim 15 , wherein the 320 MHz PPDU is received through the 320 MHz channel including the primary 160 MHz channel.
19. The receiving device of claim 15 , wherein the MAC signal further includes a channel width field related to a bandwidth of the 320 MHz PPDU.
20. The receiving device of claim 15 , wherein the transmitting device supports a multi-link communication related to a plurality of links, wherein the MAC signal further includes a link identifier (ID) related to at least one of the plurality of links supported by the transmitting device.