公开(公告)号：US20210211336A1

公开(公告)日：2021-07-08

申请号：US16866007

申请日：2020-05-04

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Kwan-Woong RYU ,  Jin-Hyuk SONG ,  Joon-Young JUNG ,  Dong-Joon CHOI

IPC: H04L27/00 ,  H04L25/02 ,  H04L27/26

Abstract: Disclosed herein are a synchronization apparatus and method for a upstream system. The synchronization apparatus for a upstream system includes one or more processors, and execution memory for storing at least one program that is executed by the one or more processors, wherein the at least one program is configured to receive a signal and calculate a first channel estimation value for the received signal using a predefined pilot, and calculate a second channel estimation value using a predefined complementary pilot and the first channel estimation value.