SYSTEM AND METHOD FOR COMMUNICATING AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXED FRAME FORMAT
FIG9 illustrates embodiment tone plans for 80 MHz OFDMA and SU frames
FIG9 illustrates the 80 MHz tone plans 950 for OFDMA and SU frames. There are 994 data, pilot, and leftover tones, and 30 DC and edge tones. The tone plans 950 include the OFDMA tone plan 979 and the SU tone plan 978. The tones in the OFDMA tone plan 979 are sent to or received from multiple STAs. The tones in the SU tone plan 978 are sent to or received from a single STA. The RUs for the OFDMA tone plan 979 are aligned with the RUs of the SU tone plan 978.
embodiment
978
SU tone plan
12
includes
242
pilot regions each carry
975
edge tones
979
OFDMA tone plan
967
edge
968
RU
6
MHz includes
970
tones in RU
965
edge tones
959
tones
954
RU
26
RUs may contain
963
edge leftover tones
950
tone plans
13
that is split into RUs. includes include with
['1. A method implementing orthogonal frequency division multiple access, OFDMA, communication according to Institute of Electrical and Electronics Engineers, IEEE, 802.11 ax standard comprising: transmitting or receiving a downlink or uplink frame; wherein the IEEE 802.1lax standard adopts one or more tone plans, each of which comprises a first set of data and pilot tones, a second set of data and pilot tones, and a direct current,DC, region positioned between the first set of data and pilot tones and the second set of data and pilot tones, wherein the DC region consists of five DC tones; and, the tone plan further comprises a first edge region, and a second edge region, the first set of data and pilot tones positioned between the first edge region and the DC region, and second set of data and pilot tones positioned between the DC region and the second edge region, wherein the first edge region includes 12 guard tones and the second edge region include 11 guard tones; wherein the tone plan is a tone plan of 40MHz channel; and wherein the first set of data and pilot tones consists of nine 26-tone resource units, RUs, and the second set of data and pilot tones consists of nine 26-tone RUs; or the first set of data and pilot tones consists of one 242-tone RUs and the second set of data and pilot tones consists of one 242-tone RUs.']