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公开(公告)号：US10425906B2
公开(公告)日：2019-09-24
申请号：US15819969
申请日：2017-11-21
Inventor： Sang-Jung Ra , Jin-Hyuk Song , Ho-Sook Lee , Dong-Joon Choi , Joon-Young Jung , Nam-Ho Hur
Abstract: Disclosed herein are an apparatus and method for detecting an upstream RF signal based on a preamble. The apparatus for detecting an upstream RF signal based on a preamble includes an analog-to-digital converter unit for receiving an RF analog signal and converting the same into an RF digital signal; a down-converter unit for converting the RF digital signal into a baseband digital signal; a packet detection unit for performing packet detection by performing an operation on the baseband digital signal and preset differential preamble signals; and a timing calculation unit for generating timing information of a terminal device based on the baseband digital signal and time information generated through the packet detection.
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2.发明申请公开(公告)号：US20180167902A1
公开(公告)日：2018-06-14
申请号：US15819969
申请日：2017-11-21
Inventor： Sang-Jung Ra , Jin-Hyuk Song , Ho-Sook Lee , Dong-Joon Choi , Joon-Young Jung , Nam-Ho Hur
IPC: H04W56/00
Abstract: Disclosed herein are an apparatus and method for detecting an upstream RF signal based on a preamble. The apparatus for detecting an upstream RF signal based on a preamble includes an analog-to-digital converter unit for receiving an RF analog signal and converting the same into an RF digital signal; a down-converter unit for converting the RF digital signal into a baseband digital signal; a packet detection unit for performing packet detection by performing an operation on the baseband digital signal and preset differential preamble signals; and a timing calculation unit for generating timing information of a terminal device based on the baseband digital signal and time information generated through the packet detection.
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