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195
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ICASSP
2007
IEEE
16 years 1 months ago
2007
IEEE
One of the main dif culties in echo cancellation is the fact that the learning rate needs to vary according to conditions such as double-talk and echo path change. Several methods...
202
Voted
ICASSP
2007
IEEE
16 years 1 months ago
2007
IEEE
Sparse coding is a new field in signal processing with possible applications to source coding. In this paper we present a new method that combines the problems of sparse signal a...
150
Voted
ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— This paper deals with throughput oriented Adaptive Modulation and Coding (AMC) techniques combined with cooperative protocols where terminals are constrained by half-duplex as...
176
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract—This paper presents a preamble-based low complexity synchronization method for MB-OFDM based UWB systems. The proposed synchronization method consists of sync detection,...
148
Voted
ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— In this paper, Cramer-Rao lower bounds (CRLBs) for estimation of vital signal parameters, such as respiration and heart-beat rates, using ultra-wideband (UWB) pulses are derive...