| 摘要 |
A method of acquiring time synchronization and supporting method for the same are provided. The present invention enables early synchronization of a receiving side with a transmitting side by avoiding time delays that may result in detecting a current preamble signal. The current preamble signal is inserted with a uniform interval to allow the receiving side to tune its time synchronization with the transmitting side or measure a signal strength in the orthogonal frequency division multiplexing (OFDM) or orthogonal frequency division multiple access (OFDMA) wireless communication system. In an OFDM or OFDMA wireless communication system, the present invention includes modulating a number of reference signals for time synchronization acquisition in a receiving side using at least one of a number of subcarriers and continuously transmitting at least one reference signal modulated by at least one subcarrier to the receiving side during at least one symbol time.
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