发明名称 |
Apparatus and method for detecting ranging signal in an orthogonal frequency division multiple access mobile communication system |
摘要 |
An apparatus and method for receiving a ranging signal in an OFDMA mobile communication system are provided. The ranging signal receiving apparatus including, a ranging subchannel extractor for extracting subcarrier values with a ranging signal from a (FFT) signal; a plurality of multipliers for code-demodulating the sub-carrier values by multiplying them by a plurality of ranging codes; each of a plurality of correlators for calculating a plurality of differential correlations in a code-demodulated signal received from a corresponding multiplier; each of a plurality of inverse fast Fourier transform (IFFT) processors for IFFT-processing differential correlations received from a corresponding correlator by mapping the differential correlations to predetermined subcarriers and each of a plurality of maximum value detectors for detecting a maximum value in an IFFT signal received from a corresponding IFFT processor and calculating a timing offset using an IFFT output index having the maximum value.
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申请公布号 |
US2006098749(A1) |
申请公布日期 |
2006.05.11 |
申请号 |
US20050249065 |
申请日期 |
2005.10.12 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
SUNG SANG-HOON;HWANG IN-SEOK;YOON SOON-YOUNG;CHANG CHUNG-RYUL;CHO JAE-HEE;HUH HOON |
分类号 |
H04K1/10 |
主分类号 |
H04K1/10 |
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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