Method and system for characterizing optical receivers by...

Details Method and system for characterizing optical receivers by... Method and system for characterizing optical receivers by...

2006-08-08

2006-08-08

Paladini, Albert W. (Department: 2125)

Data processing: structural design, modeling, simulation, and em

Modeling by mathematical expression

C398S024000, C398S202000

Reexamination Certificate

active

07089161

ABSTRACT:
The present invention describes the method and system for characterizing optical receivers based on the measured impulse response and by applying linear system theory. In a first embodiment, the impulse response of an optical receiver is obtained. Convolving the impulse response with band-limited input pulses (modeled with straight-line edge pulses), a receiver output pulse can then be determined. From this pulse, an associated eye diagram can be mathematically derived and the maximum ISI can be estimated. In a second embodiment, for a given input pulse stream with a specified amount of noise, the impulse response-generated eye diagram is used to estimate the bit error rate (BER) that the receiver would yield.

REFERENCES:
patent: 4475210 (1984-10-01), Couch
patent: 5056101 (1991-10-01), Magill et al.
patent: 6229633 (2001-05-01), Roberts et al.
patent: 6574268 (2003-06-01), Bergamo

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