Timing correcting device and timing correcting method

Details Timing correcting device and timing correcting method Timing correcting device and timing correcting method

2007-06-19

2007-06-19

Ghebretinsae, Temesghen (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S354000, C370S342000

Reexamination Certificate

active

10069516

ABSTRACT:
In the timing correcting device, a RAKE path detecting circuit1detects a plurality of path candidates to be tracked, from a reception signal, and outputs a “timing of a path” and a “detection correlation value” corresponding to each path candidate, as a result of the detection. Next, each tracking-path candidate deciding circuit (2a, 2b, 2c, . . . ) generates a predetermined decision standard that is necessary for selecting an optimum path timing from timings of the path candidates, based on an individually allocated result of the detection. Further, the tracking-path selecting circuit3selects a timing of an optimum path to be tracked, based on the result of the detection and the predetermined decision standards. Then, a comparator circuit5compares a predetermined reception reference timing given from the outside with the optimum path timing, and calculates a phase difference between the two. Last, the timing correction control circuit6controls a clock based on the phase difference, thereby to correct the reception reference timing.

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