发明名称 METHOD AND SYSTEM FOR GENERATING SWITCHING TIMING SIGNAL FOR SEPARATING TRANSMITTING AND RECEVING 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 EP1771987(A4) 申请公布日期 2012.12.05
申请号 EP20050773982 申请日期 2005.07.29
申请人 SK TELECOM. CO., LTD. 发明人 CHO, WOUNGSIK;CHUN, YOUNGHOON
分类号 H04L27/26;H04B7/14;H04B10/11;H04B10/29;H04J11/00;H04L7/00;H04L7/08 主分类号 H04L27/26
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