For the dereverberation of acoustic channels or the rendering of a specific sound field, the inversion of acoustics is a central problem and generally involves multichannel techniques. In this paper, we introduce a subband approach to the adaptive solution of this equalization problem. The presented method generally allows for faster convergence at lower complexity. We also address limitations of the subband technique, potential error sources, and design specifications. Simulations are presented underlining the use of our method
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Channel estimation is a key step in the initial synchronisation of a RAKE receiver. In this paper we present an algorithm for multipath channel estimation based on an elegant and efficient new technique for resolving the multipath components. The performance of the algorithm is assessed through simulation as part of a RAKE receiver in a fully compliant UTRA-FDD uplink scenario. Test results are presented and compared with those of other channel estimation techniques
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