Methods and device for communicating PPDU
A method of communicating, by a first device, with at least one second device in a wireless local area network (WLAN) system includes allocating at least one resource unit (RU) within a bandwidth to a second device; generating at least one subfield defining the at least one RU; generating a trigger frame comprising a user information field comprising the at least one subfield, and transmitting a PPDU including the trigger frame to the at least one second device, wherein the generating comprises setting at least seven bits associated with the at least one RU and setting at least two bits as a value defining a subband that includes the at least one RU when the band width comprises at least four subbands.
1. A method of communicating, by a first device, with at least one second device in a wireless local area network (WLAN) system, the method comprising:
allocating at least one resource unit (RU) within a bandwidth to a second device;
generating at least one subfield defining the at least one RU; and
transmitting a physical protocol layer data unit (PPDU) comprising the at least one subfield to the at least one second device,
wherein the generating at least one subfield comprises setting at least seven bits associated with the at least one RU and setting at least two bits as a value defining a subband that includes the at least one RU when the bandwidth is 320MHz and the subband is 80MHz,
wherein the allocating the at least one RU comprises allocating a multi-RU to the second device,
wherein the multi-RU comprises at least two single RUs among a plurality of single RUs sequentially arrangeable within the bandwidth,
wherein the allocating of the at least one RU comprises, when the bandwidth is 80 MHz in which first to fourth 242-tone RUs or first to second 484-tone RUs are sequentially arrangeable, allocating a multi-RU comprising a 484-tone RU and a 242-tone RU to the second device, and wherein the multi-RU is one of four multi-RUs which include the first through fourth 242-tone RUs, respectively.
2. The method according to claim 1 , further comprising generating an uplink bandwidth field defining the bandwidth,
wherein the PPDU comprises the uplink bandwidth field, and
wherein the uplink bandwidth field has a length of at least three bits.
3. The method of claim 1 , wherein the allocating of the at least one RU comprises, when the bandwidth is 20 MHz in which first to ninth 26-tone RUs or first to fourth 52-tone RUs are sequentially arrangeable, allocating a multi-RU comprising a 52-tone RU and a 26-tone RU to the second device, and
wherein the multi-RU comprises one of a first multi-RU comprising the second 52-tone RU and the second 26-tone RU, a second multi-RU comprising the second 52-tone RU and the fifth 26-tone RU, and a third multi-RU comprising the third 52-tone RU and the eighth 26-tone RU.
4. The method of claim 3 , wherein the allocating of the at least one RU comprises, when the bandwidth is 40 MHz in which first to 18th 26-tone RUs or the first to eighth 52-tone RUs are sequentially arrangeable, allocating the multi-RU to the second device, and
wherein the multi-RU comprises one of the first to third multi-RUs, a fourth multi-RU comprising the sixth 52-tone RU and the eleventh 26-tone RU, a fifth multi-RU comprising the sixth 52-tone RU and the 14th 26-tone RU, and a sixth multi-RU comprising the seventh 52-tone RU and the 17th 26-tone RU.
5. The method of claim 4 , wherein the allocating of the at least one RU comprises, when the bandwidth is 80 MHz in which first to 37th 26-tone RUs or first to 16th 52-tone RUs are sequentially arrangeable, allocating the multi-RU to the second device, and
wherein the multi-RU comprises one of the second multi-RU, the third multi-RU, the fourth multi-RU, the fifth multi-RU, an eighth multi-RU comprising the tenth 52-tone RU and the 24th 26-tone RU, a ninth multi-RU comprising the eleventh 52-tone RU and the 27th 26-tone RU, a tenth multi-RU comprising the 14th 52-tone RU and the 30th 26-tone RU, and an eleventh multi-RU comprising the 14th 52-tone RU and the 33rd 26-tone RU.
6. The method of claim 1 , wherein the allocating of the at least one RU comprises, when the bandwidth is 20 MHz in which first to ninth 26-tone RUs or first to second 106-tone RUs are sequentially arrangeable, allocating a multi-RU comprising a 106-tone RU and a 26-tone RU to the second device, and
wherein the multi-RU comprises one of a first multi-RU comprising the first 106-tone RU and the fifth 26-tone RU, and a second multi-RU comprising the second 106-tone RU and the fifth 26-tone RU.
7. The method of claim 6 , wherein the allocating of the at least one RU comprises, when the bandwidth is 40 MHz in which first to 18th 26-tone RUs or first to fourth 106-tone RUs are sequentially arrangeable, allocating a multi-RU comprising a 106-tone RU and a 26-tone RU to the second device, and
wherein the multi-RU comprises one of the first multi-RU, the second multi-RU, a third multi-RU comprising the third 106-tone RU and the 14th 26-tone RU, and a fourth multi-RU comprising the fourth 106-tone RU and the 14th 26-tone RU.
8. The method of claim 7 , wherein the allocating of the at least one RU comprises, when the bandwidth is 80 MHz in which first to 37th 26-tone RUs or first to eighth 106-tone RUs are sequentially arrangeable, allocating a multi-RU comprising a 106-tone RU and a 26-tone RU to the second device, and
wherein the multi-RU comprises one of the first multi-RU, the fourth multi-RU, a fifth multi-RU comprising the fifth 106-tone RU and the 24th 26-tone RU, and an eighth multi-RU comprising the eighth 106-tone RU and the 33rd 26-tone RU.
9. The method of claim 1 , wherein the allocating of the at least one RU comprises allocating the multi-RU to the second device when the bandwidth is 160 MHz, and
wherein the multi-RU is one of eight multi-RUs respectively corresponding to the first to fourth multi-RUs of a lower 80 MHz and the first to fourth multi-RUs of an upper 80 MHz.
10. The method of claim 9 , wherein the allocating of the at least one RU comprises allocating the multi-RUs to the second device when the bandwidth is 320 MHz, and
wherein the multi-RU comprises one of 16 RUs corresponding to the eight multi-RUs of a lower 160 MHz and the eight multi-RUs of an upper 160 MHz.
11. The method of claim 1 wherein the allocating of the at least one RU comprises, when the bandwidth is 320 MHz in which first to eighth 484-tone RUs or first and fourth 996-tone RUs are sequentially arrangeable, allocating a multi-RU comprising two 996-tone RUs and a 484-tone RU to the second device, and
wherein the multi-RU is one of six first multi-RUs and six second multi-RUs,
wherein the six first multi-RUs include the first to sixth 484-tone RUs, respectively, and
wherein the six second multi-RUs include the third to eighth 484-tone RUs, respectively.
12. The method of claim 1 ,
wherein the allocating of the at least one RU comprises, when the bandwidth is 320 MHz in which first and fourth 996-tone RUs are sequentially arrangeable, allocating a multi-RU comprising three 996-tone RUs to the second device, and
wherein the multi-RU comprises one of four multi-RUs which include first to fourth 996-tone RUs, respectively.
13. The method of claim 1 , wherein the allocating of the at least one RU comprises, when the bandwidth is 320 MHz in which first to eighth 484-tone RUs or first and fourth 996-tone RUs are sequentially arrangeable, allocating a multi-RU comprising three 996-tone RUs and a 484-tone RU to the second device, and
wherein the multi-RU comprises one of eight multi-RUs which include the first to eighth 484-tone RUs, respectively.
14. A method of communicating, by a first device, with at least one second device in a wireless local area network (WLAN) system, the method comprising:
allocating at least one resource unit (RU) within a bandwidth to a second device;
generating at least one subfield defining the at least one RU; and
transmitting a physical protocol layer data unit (PPDU) comprising the at least one subfield to the at least one second device,
wherein the generating at least one subfield comprises setting at least seven bits associated with the at least one RU and setting at least two bits as a value defining a subband that includes the at least one RU when the bandwidth is 320MHz and the subband is 80MHz,
wherein the allocating the at least one RU comprises allocating a multi-RU to the second device,
wherein the multi-RU comprises at least two single RUs among a plurality of single RUs sequentially arrangeable within the bandwidth,
wherein the allocating of the at least one RU comprises, when the bandwidth is 160 MHz in which first to fourth 484-tone RUs or first and second 996-tone RUs are sequentially arrangeable, allocating a multi-RU comprising a 996-tone RU and a 484-tone RU to the second device, and wherein the multi-RU is one of four multi-RUs which include the first to fourth 484-tone RUs, respectively.
15. The method of claim 14 , wherein the allocating of the at least one RU comprises allocating the multi-RUs to the second device when the bandwidth is 320 MHZ, and
wherein the multi-RU comprises one of eight multi-RUs respectively corresponding to the four multi-RUs of a lower 160 MHz and the four multi-RUs of an upper 160 MHz.
16. A method of communicating, by a first device, with at least one second device in a wireless local area network (WLAN) system, the method comprising:
allocating at least one resource unit (RU) within a bandwidth to a second device;
generating at least one subfield defining the at least one RU; and
transmitting a physical protocol layer data unit (PPDU) comprising the at least one subfield to the at least one second device,
wherein the generating at least one subfield comprises setting at least seven bits associated with the at least one RU and setting at least two bits as a value defining a subband that includes the at least one RU when the bandwidth is 320MHz and the subband is 80MHz,
wherein the allocating the at least one RU comprises allocating a multi-RU to the second device,
wherein the multi-RU comprises at least two single RUs among a plurality of single RUs sequentially arrangeable within the bandwidth,
wherein the allocating of the at least one RU comprises, when the bandwidth is 160 MHz in which first to eighth 242-tone RUs, first to fourth 484-tone RUs, or first and second 996-tone RUs are sequentially arrangeable, allocating a multi-RU comprising a 996-tone RU, a 484-tone RU, and a 242-tone RU to the second device, and
wherein the multi-RU comprises one of eight multi-RUs which include the first to eighth 242-tone RUs, respectively.
17. The method of claim 16 , wherein the allocating of the at least one RU comprises allocating the multi-RUs to the second device when the bandwidth is 320 MHZ,
wherein the multi-RU comprises one of 16 multi-RUs respectively corresponding to the first to eighth multi-RUs of a lower 160 MHz and the first to eighth multi-RUs of an upper 160 MHz.