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    • 1. 发明申请
    • METHOD OF OBTAINING TIME SYNCHRONIZATION IN OFDM MOBILE COMMUNICATION SYSTEM
    • 在OFDM移动通信系统中获取时间同步的方法
    • WO2005120182A3
    • 2007-02-01
    • PCT/KR2005001753
    • 2005-06-10
    • LG ELECTRONICS INCIM BIN CHULCHUN JIN YOUNG
    • IM BIN CHULCHUN JIN YOUNG
    • H04L27/26H04J11/00H04L7/00
    • H04L5/0048H04L5/0007H04L27/2613H04L27/2662
    • A method of acquiring time synchronization and supporting method for the same are disclosed. The present invention is suitable for a receiving side to be synchronized with a transmitting side at an early stage by settling a problem of consuming time in finding to read a current preamble signal inserted, with a uniform, interval in case that the receiving side tunes its time synchronization with that of the transmitting side or measures a signal strength in the OFDM or OFDMA wirelesscommunication system. In an OFDM (orthogonal frequency division multiplexing) or OFDMA orthogonal frequency division multiple access) wireless communication system, the present invention includes the steps of modulating a plurality of reference signals for time synchronization acquisition in a receiving side via at least one of subcarriers and transmitting the at least one reference signal modulated by the at least one subcarrier to the receiving side continuously during at least one symbol time.
    • 公开了一种获取时间同步的方法及其支持方法。 本发明适合于接收端在早期阶段与发送侧同步,通过在接收方调谐其接收侧的情况下,通过解决消费时间来寻找读取当前前导码信号的问题,以均匀的间隔, 与发射侧的时间同步或测量OFDM或OFDMA无线通信系统中的信号强度。 在OFDM(正交频分复用)或OFDMA正交频分多址)无线通信系统中,本发明包括以下步骤:经由至少一个子载波和发送中的多个参考信号调制在接收侧进行时间同步捕获 所述至少一个参考信号在至少一个符号时间内连续地由所述至少一个子载波调制到接收侧。