发明名称 Method and System for Generating Switching Timing Signal for Separating Transmitting and Receiving Signal in Optical Repeater of Mobile Telecommunication Network Using Tdd and Ofdm Modulation
摘要 Disclosed are a method and system for generating switching a timing signal for separating a transmitting and receiving signal in an optical repeater of a mobile telecommunication network by using a Time Division Duplex (hereinafter, referred to as "TDD") scheme and an Orthogonal Frequency Division Multiplexing (hereinafter, referred to as "OFDM") modulation scheme, which transmits a part of a RF signal extracted from a coupler included in a remote of an optical repeater to a switching timing signal generating circuit, locates a frame start position of a RF signal by correlating a reference signal generated in a switching timing signal generating circuit with a RF signal extracted from a coupler, and is capable of transmitting a RF signal by distinguishing between a downlink signal and a uplink signal by using a switching timing signal in a switch when calculating a starting point of a downlink signal and a uplink signal included in an RF signal on the basis of a frame starting location, generating a switching timing signal by using it, and transmitting to a remote's switch.
申请公布号 US2007237181(A1) 申请公布日期 2007.10.11
申请号 US20050572780 申请日期 2005.07.29
申请人 CHO WOUNGSIK;CHUN YOUNGHOON 发明人 CHO WOUNGSIK;CHUN YOUNGHOON
分类号 H04L27/26 主分类号 H04L27/26
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