Signal quality detector and methods thereof

Details Signal quality detector and methods thereof Signal quality detector and methods thereof

1996-05-21

1998-02-24

Tse, Young T.

Pulse or digital communications

Testing

Signal noise

375334, 375346, 455 673, 455135, H04B 1700, H04L 2714

Patent

active

057217548

ABSTRACT:
A signal quality detector (206) and analogous method thereof for operation on a signal having at least one predetermined frequency, the detector including a symbol detector (209), coupled to the signal, for providing a maximum discrete time Fourier transform value for a time period, the maximum discrete time Fourier transform value corresponding to one of the at least one predetermined frequency, an energy detector (217) for providing an energy estimate corresponding to a energy value of the signal over the time period, and a combinatorial logic (219) for combining the maximum discrete Fourier transform value and the energy estimate to provide a signal quality estimate or signal power or noise power.

REFERENCES:
patent: 5325427 (1994-06-01), Dighe
patent: 5333153 (1994-07-01), Brown et al.
patent: 5432859 (1995-07-01), Yang et al.
patent: 5598431 (1997-01-01), Lobel
patent: 5644599 (1997-07-01), Hess

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