Reduced delay implementation of fourier transform based...

Details Reduced delay implementation of fourier transform based... Reduced delay implementation of fourier transform based...

2005-12-06

2005-12-06

Patel, Jay K. (Department: 2637)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S262000, C375S263000, C375S265000, C370S342000, C370S343000

Reexamination Certificate

active

06973135

ABSTRACT:
In a wireless telecommunications system, data processing delays associated with digital channelization and de-channelization may be reduced through the use of a technique that involves processing data blocks in conjunction with the transformation of the data blocks by a large, Fast Fourier Transform (FFT) algorithm, and makes use of multiple transmission and reception branches. In accordance with this technique, the processing delays associated with the FFT algorithm are minimized, but not to the detriment of other important channelizer/de-channelizer design characteristics, such as power consumption, die area and computational complexity.

REFERENCES:
patent: 4893266 (1990-01-01), Deem
patent: 6266687 (2001-07-01), Leyonhjelm et al.
patent: 6334219 (2001-12-01), Hill et al.
patent: 2 095 512 (1974-02-01), None
Jae Beom Lee et al., “Transform Domain Filtering Based on Pipelining Structure” IEEE Transactions on Signal Processing, US, IEEE, New York, vol. 40, No. 8, Aug. 1992.

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