Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Lei Song0
Fang-Chen Cheng0
Henry H. Ye0
Date of Patent
January 1, 2013
0Patent Application Number
119465410
Date Filed
November 28, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A low complexity RACH preamble detector is described herein. The RACH preamble detection algorithm uses the peak detection of the time domain correlation function through frequency domain processing. The frequency domain processing considers the reference signals generated directly from frequency domain CAZAC sequence or time domain CAZAC sequence with DFT conversion. A low-complexity poly-phase LPF along with down sampling is implemented before the FFT to reduce the required length of the long FFT operation N-folded.
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