公开(公告)号：US20210006874A1

公开(公告)日：2021-01-07

申请号：US17027438

申请日：2020-09-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Huaiyu Zeng ,  Yuanqiu Luo ,  Andy Shen ,  Xiang Liu ,  Frank Effenberger

IPC: H04Q11/00 ,  H04J3/06

Abstract: An ONU is provided. The ONU comprises a receiver configured to receive a first PON frame from an OLT, the first PON frame comprising a first PSBd field, the first PSBd field comprising a first PSync field, the first PSync field comprising first bits, and a first quantity of the first bits being greater than 64 bits; and a processor coupled to the receiver and configured to perform synchronization of the first PON frame by matching the first bits to a pre-stored sequence.