Method and apparatus for modulation differentiation

Details Method and apparatus for modulation differentiation Method and apparatus for modulation differentiation

1997-06-04

1998-09-01

Pham, Chi H.

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

4552262, 455142, H03D 100

Patent

active

058021140

ABSTRACT:
To differentiate between different types of modulation, a fast RSSI detector performs a RSSI measurement on a received signal. The output of the RSSI detector is sampled over a sampling window and generates sampled values. A processor calculates absolute values of piecewise first derivatives of the sampled values and sums the result to create a summation constant. A modulation detector determines the type of modulation based on the value of the summation constant and an RSSI compensation calculates a compensation factor to correct the RSSI measurement.

REFERENCES:
patent: 5195106 (1993-03-01), Kaczeki et al.
patent: 5490177 (1996-02-01), La Rosa et al.
patent: 5577087 (1996-11-01), Furuya
patent: 5697056 (1997-12-01), Tayloe

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