Appeal No. 2006-3367 Page 2
Application No. 09/849,927
receiving a training sequence for a channel through which the data stream
has been sent and assessing a channel impulse response for the channel based on
the training sequence;
generating via a fast transform a channel impulse response spectrum in the
transform domain for the channel impulse response;
equalising the packet spectrum with the channel impulse response
spectrum to produce an equalised packet spectrum in the transform domain; and
converting the equalised packet spectrum into time domain equalised data
for recovery of information.
The references relied on by the examiner are:
DiToro 4,058,713 Nov. 15, 1977
Perreault 4,141,072 Feb. 20, 1979
Yen et al. (Yen) 4,707,841 Nov. 17, 1987
Claims 1, 2, 4, 6, through 16, 19 through 21, 23 through 27, and 29 stands
rejected under 35 U.S.C. 103(a) as being unpatentable over appellant’s admitted prior art
in view of DiToro.
Claims 3 and 28 stand rejected under 35 U.S.C. § 103(a) as being unpatentable
over appellant’s admitted prior art in view of DiToro and Perreault.
Claims 17 and 18 stand rejected under 35 U.S.C. § 103(a) as being unpatentable
over appellant’s admitted prior art in view of DiToro and Yen.
Reference is made to the briefs and the answer for the respective positions of the
appellant and the examiner.
OPINION
We have carefully considered the entire record before us, and we will reverse the
obviousness rejections of claims 1 through 4, 6 through 21, and 23 through 29.
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