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ICASSP
2008
IEEE
16 years 2 months ago
Joint optimization of transceivers with fractionally spaced equalizers
Abstract— In this paper we propose a method for joint optimization of transceivers with fractionally spaced equalization (FSE). We use the effective single-input multiple-output ...
Ching-Chih Weng, P. P. Vaidyanathan
ICASSP
2008
IEEE
16 years 2 months ago
Low-rank covariance matrix tapering for robust adaptive beamforming
Covariance matrix tapering (CMT) is a popular approach to improve the robustness of adaptive beamformers against moving or wideband interferers. In this paper, we develop a comput...
Michael Rübsamen, Christian Gerlach, Alex B. ...
ICASSP
2008
IEEE
16 years 2 months ago
OFDM for underwater acoustic communications: Adaptive synchronization and sparse channel estimation
A phase synchronizationmethod, which provides non-uniform frequency offset compensation needed for wideband OFDM [1], is coupled with low-complexity channel estimation in the time...
Milica Stojanovic
ICASSP
2007
IEEE
16 years 2 months ago
Raw Image Encoding Based on Polynomial Approximation
In this paper, we propose a coding algorithm for raw images with high dynamic ranges. Our encoder has two layers. In the first layer, 24 bit low dynamic range image is encoded by...
Masahiro Okuda, Nicola Adami
IPPS
2007
IEEE
16 years 1 months ago
Masked Queries for Search Accuracy in Peer-to-Peer File-Sharing Systems
Peer-to-peer file-sharing systems suffer from the overspecification of query results due to the fact that queries are conjunctive and the descriptions of shared files are sparse. ...
Wai Gen Yee, Linh Thai Nguyen, Ophir Frieder