公开(公告)号：US20210399822A1

公开(公告)日：2021-12-23

申请号：US17462275

申请日：2021-08-31

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yang YANG ,  Xianfu LEI ,  Xiaohu TANG ,  Zhi GU ,  Min YAN

IPC: H04J13/00 ,  H04J13/10 ,  H04L25/02 ,  H04W80/02

Abstract: This application relates to the field of communications technologies, and discloses a data transmission method. The method includes: generating a PPDU; and transmitting the PPDU to at least one receive end. The PPDU includes a channel estimation field CEF, and the CEF includes a plurality of sub-sequences. For each of the plurality of sub-sequences, a part or all of elements in the sub-sequence are basic elements, and the basic elements are arranged into a Golay sequence or a ZC sequence in the sub-sequence. This application is used for data transmission.