Pulse or digital communications – Receivers – Interference or noise reduction
Reexamination Certificate
2007-10-23
2007-10-23
To, Doris H. (Department: 2616)
Pulse or digital communications
Receivers
Interference or noise reduction
C370S286000
Reexamination Certificate
active
10049252
ABSTRACT:
The invention relates to a duplex transmission system, wherein an echo compensation signal (yec(k·t)) is generated which is combined with a receive signal (u(t)) to prevent crosstalk from the own transmitter to the receiver. Before feeding the receive signal to the echo compensation device (6, 7), the receive signal is initially scanned with the double symbol rate, equalized and subsequently scanned once again with the simple symbol rate so that only one compensation value per receive signal has to be generated by the echo compensation device (6, 7).
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International Search Report, mailed Dec. 8, 2000, PCT/EP00/07746.
Fish & Richardson P.C.
Infineon - Technologies AG
Mered Habte
To Doris H.
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