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research article
Stable pole-zero modeling of long FIR filters with application to the MMSE-DFE
The problem of approximating a long FIR filter by a reduced-parameter stable pole-zero filter is addressed. We derive a computationally efficient order-recursive algorithm that achieves this task with high accuracy. Our main emphasis is on applying this algorithm to reduce the implementation complexity of the decision feedback equalizer's long FIR feedforward and feedback filters encountered in high-speed data transmission on digital subscriber loops.
Type
research article
Authors
Publication date
1997
Publisher
Published in
Volume
45
Issue
5
Start page
508
End page
513
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
December 19, 2017
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