Pulse or digital communications – Receivers – Interference or noise reduction
Reexamination Certificate
2006-08-21
2011-12-27
Liu, Shuwang (Department: 2611)
Pulse or digital communications
Receivers
Interference or noise reduction
C375S260000, C375S346000, C375S316000
Reexamination Certificate
active
08085890
ABSTRACT:
Disclosed is a base band filter apparatus and a method for base band filtering comprising filtering a base band signal in time domain, said filtering including a filter transfer function (F), wherein the base band signal is provided in frequency domain, the frequency domain base band signal is multiplicated by an inverse filter transfer function (F−1), and the signal provided as the result of said multiplication is converted from frequency domain to time domain and provided to said filtering.
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Banner & Witcoff , Ltd.
Liu Shuwang
Nokia Corporation
Tayong Helene
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