发明名称 |
APPARATUS FOR ACQUIRING REFINE CARRIER FREQUENCY BY OPTIMIZING SEARCH AREAS AND METHOD USING THE SAME |
摘要 |
A method and apparatus for acquiring a refined carrier frequency by optimizing search areas are provided. The apparatus for acquiring a refined carrier frequency by optimizing search areas includes: a refined signal generation unit using a coarse carrier frequency and a coarse code phase extracted from a digitized signal and obtaining a refined carrier frequency approximated to the carrier frequency of an original signal from which the digitized signal is obtained by conversion; and a refined carrier frequency searching unit setting and providing a search area in which the refined signal acquisition unit can obtain the refined carrier frequency based on the coarse carrier frequency. According to the method and apparatus, as a result of the searching method reducing a search time, acquisition of a refined carrier frequency as well as fast acquisition of a signal is enabled, thereby allowing a precise initial value to be provided to a signal tracking unit.
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申请公布号 |
US2010040115(A1) |
申请公布日期 |
2010.02.18 |
申请号 |
US20070514807 |
申请日期 |
2007.11.14 |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
发明人 |
CHO YOUNG-SU;KIM BYUNG-DOO;CHO SEONG-YUN;CHOI WAN-SIK;PARK JONG-HYUN |
分类号 |
H04B1/00 |
主分类号 |
H04B1/00 |
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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