Optical communications – Hybrid communication system
Reexamination Certificate
2006-09-05
2006-09-05
Payne, David C. (Department: 2613)
Optical communications
Hybrid communication system
C398S185000, C398S205000, C370S314000
Reexamination Certificate
active
07103279
ABSTRACT:
An apparatus for a wireless transmission of high data rate signals such as received from an optical interface including gigabit fiber channel or a sonet. The architecture combines direct detection of the optical signal with clock and data recovery circuit and a differential signal encoder which is preferably a differential quadrature phase shift encoder and modulator pair. A millimeter wave, local oscillator and up conversion chain converts the optical input signal to a microwave carrier. In the opposite direction, the down converted signal is non-coherently phase detected and fed to a pair of synchronized clock and data recovery circuits to recover I and Q channel signals. These recovered signals are then combined prior to re-timing before they are fed back to the optical transceiver.
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Pergola Kenneth Michael
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Hamilton Brook Smith & Reynolds P.C.
Payne David C.
YDI Wireless, Inc.
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