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The SPITRES group was established in 1996 when Timo Laakso
joined the HUT ECE Department as a faculty member.
In the past, the group has been active in research on topics like design and
implementation of digital filters, roundoff noise (both fixed-point and
floating-point), limit cycles, modeling of musical instruments, design of
allpass equalizers, design of fractional delay filters, design of predictive
filters, design of pulse shaping filters, modeling of car impulse responses,
design and implementation of notch filters, resampling of nonuniformly sampled
filters, adaptive interference cancellation, adaptive filter algorithms,
adaptive beamforming, and synchronization algorithms.
The current research focuses on design and implementation of receiver algorithms
for diverse communications systems, including both wireline and wireless systems.
Topics include efficient adaptive filter algorithms, adaptive estimation and
equalization of nonlinearities, adaptive notch filters, synchronization algorithms,
tunable fractional delay filter structures, and joint transmitter and receiver
equalization for fixed channels.
The group is part of the Smart and Novel Radios Research Group, which was selected
as a Center of Excellence by the Academy of Finland for the period 2002-2007.
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