Efficient correlation over a sliding window

Details Efficient correlation over a sliding window Efficient correlation over a sliding window

1997-11-11

1999-08-03

Malzahn, David H.

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

708423, 708603, G06F 1715

Patent

active

059318937

ABSTRACT:
The details of an improved correlator and efficient method of correlation are disclosed. The last M received signal samples are compared with all shifts of a given M-bit binary codeword. The correlator adds or subtracts each of the signal samples accordingly, as the corresponding shift of the codeword contains a binary "1" or "0" in that position. The total is output for each new signal sample received, with a shift of one position between the signal samples and the codeword.

REFERENCES:
patent: 4071903 (1978-01-01), Head et al.
patent: 5365549 (1994-11-01), Kazecki
patent: 5579338 (1996-11-01), Kojima
patent: 5684727 (1997-11-01), Campbell et al.

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