Signal acquisition apparatus and method for reducing false...

Details Signal acquisition apparatus and method for reducing false... Signal acquisition apparatus and method for reducing false...

2005-12-23

2009-08-18

Lugo, David B (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C375S346000

Reexamination Certificate

active

07577218

ABSTRACT:
A signal acquisition apparatus and method for reducing a false alarm rate are disclosed. The apparatus includes a comparator for detecting a first peak by comparing a correlation value of a received signal with a first threshold and detecting second peaks in a sample interval of the detected first peak based on a second threshold which is different from the first threshold. Thus, a signal is acquired based on a number of the detected second peaks. Accordingly, the false alarm rate due to the noise can be reduced while the detection probability is maintained even at a high SNR.

REFERENCES:
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patent: 6229842 (2001-05-01), Schulist et al.
patent: 6373858 (2002-04-01), Soleimani et al.
patent: 1346191 (2002-04-01), None
Chang-Joo Kim, Hyuck-Jae Lee, and Hwang-Soo Lee, Adaptive Acquisition of PN Sequences for DSSS Communications, IEEE Transactions on Communications, Aug. 31, 1998 pp. 993-994 vol. 46, No. 8.

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