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ICASSP
2008
IEEE
15 years 6 months ago
Performance characteristics of collaborative beamforming for wireless sensor networks with Gaussian distributed sensor nodes
Collaborative beamforming has been recently introduced in the context of wireless sensor networks (WSNs) to increase the transmission range of individual sensor nodes. In this pap...
Mohammed F. A. Ahmed, Sergiy A. Vorobyov
ICASSP
2008
IEEE
15 years 6 months ago
Generic and typical ranks of three-way arrays
The concept of tensor rank, introduced in the twenties, has been popularized at the beginning of the seventies. This has allowed to carry out Factor Analysis on arrays with more t...
Pierre Comon, Jos M. F. ten Berge
ICASSP
2008
IEEE
15 years 6 months ago
Environment-invariant compensation for reverberation using linear post-filtering for minimum distortion
Speaker identification systems work quite well in controlled environments but their performance degrades severely in the presence of the reverberation that is frequently encounte...
Kshitiz Kumar, Richard M. Stern
ICASSP
2008
IEEE
15 years 6 months ago
Single sideband encoder for music coding in cochlear implants
The restoration of melody perception is a key remaining challenge in cochlear implants. We propose a new sound coding strategy that converts an audio signal into time-varying elec...
Kaibao Nie, Les E. Atlas, Jay Rubinstein
ICASSP
2008
IEEE
15 years 6 months ago
Approximate lower bounds for rate-distortion in compressive sensing systems
We attempt to quantify the possible gains that can be achieved by examining a rate-distortion competition between a conventional and a compressive sampling solution to data rate r...
Bernard Mulgrew, Michael E. Davies