Electrical computers: arithmetic processing and calculating – Electrical digital calculating computer – Particular function performed
Reexamination Certificate
2004-10-19
2008-09-23
Mai, Tan V (Department: 2193)
Electrical computers: arithmetic processing and calculating
Electrical digital calculating computer
Particular function performed
Reexamination Certificate
active
07428563
ABSTRACT:
Disclosed is an apparatus for performing both FHT (Fast Hadamard Transform) and FFT (Fast Fourier Transform). This apparatus determines the phase coefficients as constantly “1” when performing the FHT, and changes the input order of input data to a reverse order of bits when performing the FFT. In addition, the apparatus, which can process a plurality of input data sets simultaneously, classifies the received signals into multi-path signals and multi-antenna signals, thus processing the multi-path signals separately from the multi-antenna signals, or directly processes multi-antenna signals.
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patent: 5818742 (1998-10-01), Fraenkel et al.
patent: 6356926 (2002-03-01), Andre
“A New Approach to Pipeline FFT Processor”, S. He, et al, Proceedings of IPPS '96, 1996 IEEE, pp. 766-770.
“An Efficient Memory-Based FFt Architecture”, C. Chang, et al, 2003 IEEE, pp. 129-132.
Baek Young-Seok
Eo Ik-Soo
Jung Hee-Bum
Kim Jung-Bum
Kim Kyung-Soo
Blakely & Sokoloff, Taylor & Zafman
Electronics and Telecommunications Research Institute
Mai Tan V
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