Fast code acquisition method based on signed-rank statistic

Details Fast code acquisition method based on signed-rank statistic Fast code acquisition method based on signed-rank statistic

2007-11-20

2007-11-20

Payne, David C. (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S240260, C375S240280, C375S150000, C375S140000, C375S367000, C714S728000, C714S731000, C714S739000

Reexamination Certificate

active

10156358

ABSTRACT:
The present invention relates to the fast code acquisition methods based on signed-rank statistic. In more detail, it presents novel detectors required for PN (PN) code acquisition in DS/SS system.In accordance with the present invention, first, the LOR (LOR) detector is derived and then the LSR (LSR) and MSR (MSR) detectors using approximate score functions are proposed. It is compared the single-dwell scheme without the verification mode using the proposed LSR and MSR detectors with that using the conventional squared-sum (SS) and modified sign (MS) detectors.

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