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TSP
2010
13 years 2 months ago
Sparse channel estimation for multicarrier underwater acoustic communication: from subspace methods to compressed sensing
Abstract--In this paper, we investigate various channel estimators that exploit channel sparsity in the time and/or Doppler domain for a multicarrier underwater acoustic system. We...
Christian R. Berger, Shengli Zhou, James C. Preisi...
TSP
2010
13 years 2 months ago
Improving wireless physical layer security via cooperating relays
Physical (PHY) layer security approaches for wireless communications can prevent eavesdropping without upper layer data encryption. However, they are hampered by wireless channel c...
Lun Dong, Zhu Han, Athina P. Petropulu, H. Vincent...
TVLSI
2010
13 years 2 months ago
A Low-Power DSP for Wireless Communications
This paper proposes a low-power high-throughput digital signal processor (DSP) for baseband processing in wireless terminals. It builds on our earlier architecture--Signal processi...
Hyunseok Lee, Chaitali Chakrabarti, Trevor N. Mudg...
UAIS
2010
13 years 2 months ago
Auditory universal accessibility of data tables using naturally derived prosody specification
Abstract Text documents usually embody visually oriented meta-information in the form of complex visual structures, such as tables. The semantics involved in such objects result in...
Dimitris Spiliotopoulos, Gerasimos Xydas, Georgios...
CORR
2011
Springer
160views Education» more  CORR 2011»
12 years 11 months ago
Searching for Bayesian Network Structures in the Space of Restricted Acyclic Partially Directed Graphs
Although many algorithms have been designed to construct Bayesian network structures using different approaches and principles, they all employ only two methods: those based on i...
Silvia Acid, Luis M. de Campos
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