Method and apparatus for detecting minute oscillation and...

Details Method and apparatus for detecting minute oscillation and... Method and apparatus for detecting minute oscillation and...

2007-12-04

2007-12-04

Nguyen, Vincent Q. (Department: 2858)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

C455S011100

Reexamination Certificate

active

11516399

ABSTRACT:
Disclosed are a method and apparatus for detecting minute oscillation in a WiBro repeater, and the WiBro repeater having the same. The method of detecting minute oscillation in a WiBro repeater includes: calculating an autocorrelation value of an input signal inputted to the repeater; calculating energy of the input signal; calculating the amount of oscillation by dividing the autocorrelation value by the energy; and comparing the amount of oscillation with a predetermined threshold value to determine whether or not the minute oscillation occurs in the repeater.

REFERENCES:
patent: 4403184 (1983-09-01), Witt et al.
patent: 5815795 (1998-09-01), Iwai
patent: 6671638 (2003-12-01), Kitazumi et al.
patent: 2002/0119749 (2002-08-01), Oh et al.
patent: 2005/0272367 (2005-12-01), Rodgers et al.

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