发明名称 |
METHOD AND APPARATUS FOR ESTIMATING SYMBOL TIMING OFFSET IN WIRELESS COMMUNICATION SYSTEM |
摘要 |
A method and an apparatus for estimating a symbol timing offset in an Orthogonal Frequency Division Multiplexing (OFDM) based communication system are provided. A Carrier to Interference Ratio (CIR) of an Reference Signal (RS) is acquired using received pilot signals. The RS CIR includes power information on channel components of the RS. A CIR of a Secondary Synchronization Channel (S-SCH) is acquired using the received pilot signals. The S-SCH CIR includes power information on channel components of the S-SCH. Unnecessary channel components are suppressed from the RS CIR using the S-SCH CIR. Real channel components of the RS remain. An observation window is set having a predetermined duration for windowing the real channel components of the RS. A first arriving channel component is searched for within the observation window. A start point of data is estimated using the first arriving channel component.
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申请公布号 |
US2009323843(A1) |
申请公布日期 |
2009.12.31 |
申请号 |
US20090493904 |
申请日期 |
2009.06.29 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
YANG JOO YEOL;ROH HEE JIN |
分类号 |
H04J11/00;H04L27/28 |
主分类号 |
H04J11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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