发明名称 |
Frame synchronization method based on differential correlation information in satellite communication system |
摘要 |
Provided is a frame synchronization method for synchronizing frames with pilot blocks added thereto based on differential correlation information in a satellite communication system. The method can acquire a highly reliable frame synchronization estimation value by achieving a multi-step threshold value test using pilot blocks after a correlation analysis and a threshold test based on a sync signal in order to resolve the problem of a low signal-to-noise ratio and a large frequency error and acquire highly reliable frame synchronization performance, and can overcome distortion of a correlation analysis value caused by the frequency error by analyzing correlation based on differential information. The method includes the steps of: a) performing correlation analysis and a threshold test by using a sync word; and b) performing a multi-step correlation value test by using the pilot blocks added to the frames prior to the sync word.
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申请公布号 |
US7308064(B2) |
申请公布日期 |
2007.12.11 |
申请号 |
US20060442447 |
申请日期 |
2006.05.26 |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
发明人 |
KIM PAN-SOO;LEE IN-KI;KIM TAE-HOON;CHANG DAE-IG;OH DEOCK-GIL;SUNG WONJIN;KANG DEOKCHANG;KANG SEOKHEON |
分类号 |
H04L7/00 |
主分类号 |
H04L7/00 |
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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