	US 12,355,603 B2
	Method and apparatus for transmitting physical layer protocol data unit
Dandan Liang, Shenzhen (CN); Ming Gan, Shenzhen (CN); Zhengchun Zhou, Chengdu (CN); Xianfu Lei, Chengdu (CN); Yang Yang, Chengdu (CN); Xiaohu Tang, Chengdu (CN); Wei Lin, Shenzhen (CN); and Chenchen Liu, Shenzhen (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Dec. 1, 2022, as Appl. No. 18/073,381.
Application 18/073,381 is a continuation of application No. PCT/CN2021/096105, filed on May 26, 2021.
Claims priority of application No. 202010491814.5 (CN), filed on Jun. 2, 2020.
Prior Publication US 2023/0115766 A1, Apr. 13, 2023
Int. Cl. H04L 5/00 (2006.01); H04L 1/00 (2006.01); H04L 27/26 (2006.01); H04L 69/323 (2022.01)

CPC H04L 27/26132 (2021.01) [H04L 1/0069 (2013.01); H04L 5/0044 (2013.01); H04L 69/323 (2013.01)]

18 Claims

1. A method comprising:

generating, by a transmit end, a physical layer protocol data unit (PPDU), wherein the PPDU comprises a short training field, and a quantity of subcarriers corresponding to a frequency domain sequence of the short training field is greater than 2048; and

sending, by the transmit end, the PPDU on a target channel, wherein a bandwidth of the target channel is 320 MHz; and

wherein the frequency domain sequence of the short training field is {HES_{−496:16:496}, 0, HES_{−496:16:496}, 0, −HES_{−496:16:496}, 0, −HES_{−496:16:496}},

HES_{−496:16:496}={M,1,−M,0,−M,1,−M}·(1+j)/√2, and M={−1,−1,−1,1,1,1,−1,1,1,1,−1,1,1,−1,1}, wherein j is an imaginary number; and

wherein the transmit end is applied to an access point (AP).