Filter for determining cross-correlation, receiver, and...

Details Filter for determining cross-correlation, receiver, and... Filter for determining cross-correlation, receiver, and...

2005-11-22

2005-11-22

Ha, Dac V. (Department: 2634)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S150000, C375S232000, C708S323000

Reexamination Certificate

active

06967988

ABSTRACT:
A filter for determining the cross-correlation of optically transmitted signals is disclosed which comprises a ladder structure of amplifier cells3and multipliers4. Such a filter structure is integrated into a receiver for optical signals, the receiver being adaptable to the conditions of the transmission link through a recursive algorithm.

REFERENCES:
patent: 3774019 (1973-11-01), Cook
patent: 4267580 (1981-05-01), Bond et al.
patent: 4885715 (1989-12-01), McCanny et al.
patent: 5283813 (1994-02-01), Shalvi et al.
patent: 198 21 142 (1999-11-01), None
H. Bulow, NOC '97, Antwerp 1977, “Equalization of Bit Distortion Induced by Polarization Mode Dispersion”, proc. II, pp. 65-72.
J. Proakis, “Digital Communications”, third Edition, McGraw-Hill, Inc., pp. 639-640.

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